FN Thomson Reuters Web of Science™
VR 1.0
PT J
AU Reisman, DB
Javedani, JB
Griffith, LV
Ellsworth, GF
Kuklo, RM
Goerz, DA
White, AD
Tallerico, LJ
Gidding, DA
Murphy, MJ
Chase, JB
AF Reisman, D. B.
Javedani, J. B.
Griffith, L. V.
Ellsworth, G. F.
Kuklo, R. M.
Goerz, D. A.
White, A. D.
Tallerico, L. J.
Gidding, D. A.
Murphy, M. J.
Chase, J. B.
TI Note: The full function test explosive generator
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
DE pulse generators; pulsed power supplies
AB We have conducted three tests of a new pulsed power device called the full function test. These tests represented the culmination of an effort to establish a high energy pulsed power capability based on high explosive pulsed power (HEPP) technology. This involved an extensive computational modeling, engineering, fabrication, and fielding effort. The experiments were highly successful and a new U.S. record for magnetic energy was obtained.
C1 [Reisman, D. B.; Javedani, J. B.; Griffith, L. V.; Ellsworth, G. F.; Kuklo, R. M.; Goerz, D. A.; White, A. D.; Tallerico, L. J.; Gidding, D. A.; Murphy, M. J.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Chase, J. B.] Jay B Chase Consulting, Livermore, CA 94550 USA.
RP Reisman, DB (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM reisman1@llnl.gov
FU U.S. Department of Energy [DE-AC52-07NA27344]
FX The authors would like to thank the support of Bruce Goodwin and Charlie
Verdon. The authors would also like to acknowledge program manager Scott
McAllister. This work performed under the auspices of the U.S.
Department of Energy by Lawrence Livermore National Laboratory under
Contract No. DE-AC52-07NA27344.
NR 10
TC 2
Z9 2
U1 0
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0034-6748
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD MAR
PY 2010
VL 81
IS 3
AR 036109
DI 10.1063/1.3359998
PG 3
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA 577GJ
UT WOS:000276210200080
PM 20370232
ER
PT J
AU Reisman, DB
Javedani, JB
Ellsworth, GF
Kuklo, RM
Goerz, DA
White, AD
Tallerico, LJ
Gidding, DA
Murphy, MJ
Chase, JB
AF Reisman, D. B.
Javedani, J. B.
Ellsworth, G. F.
Kuklo, R. M.
Goerz, D. A.
White, A. D.
Tallerico, L. J.
Gidding, D. A.
Murphy, M. J.
Chase, J. B.
TI The advanced helical generator
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
DE inductors; magnetic flux; pulse generators; pulsed power supplies
AB A high explosive pulsed power generator called the advanced helical generator (AHG) has been designed, built, and successfully tested. The AHG incorporates design principles of voltage and current management to obtain a high current and energy gain. Its design was facilitated by the use of modern modeling tools as well as high precision manufacture. The result was a first-shot success. The AHG delivered 16 MA of current and 11 MJ of energy to a quasistatic 80 nH inductive load. A current gain of 160 times was obtained with a peak exponential rise time of 20 mu s. We will describe in detail the design and testing of the AHG.
C1 [Reisman, D. B.; Javedani, J. B.; Ellsworth, G. F.; Kuklo, R. M.; Goerz, D. A.; White, A. D.; Tallerico, L. J.; Gidding, D. A.; Murphy, M. J.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Chase, J. B.] Jay B Chase Consulting, Livermore, CA 94550 USA.
RP Reisman, DB (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM reisman1@llnl.gov
FU U.S. Department of Energy [DE-AC52-07NA27344]
FX The authors would like to thank the support of Bruce Goodwin and Charlie
Verdon. The authors would also like to acknowledge program manager Scott
McAllister. This work performed under the auspices of the U.S.
Department of Energy by Lawrence Livermore National Laboratory under
Contract No. DE-AC52-07NA27344.
NR 17
TC 3
Z9 3
U1 0
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0034-6748
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD MAR
PY 2010
VL 81
IS 3
AR 034701
DI 10.1063/1.3309788
PG 8
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA 577GJ
UT WOS:000276210200050
PM 20370202
ER
PT J
AU Soignard, E
Benmore, CJ
Yarger, JL
AF Soignard, Emmanuel
Benmore, Chris J.
Yarger, Jeffery L.
TI A perforated diamond anvil cell for high-energy x-ray diffraction of
liquids and amorphous solids at high pressure
SO REVIEW OF SCIENTIFIC INSTRUMENTS
LA English
DT Article
DE diamond; X-ray diffraction; X-ray scattering
ID SUPERCRITICAL CONDITIONS; MULTICHANNEL COLLIMATOR; TRANSITION; DETECTOR;
ELEMENTS; GLASSES; XAFS
AB Diamond anvil cells (DACs) are widely used for the study of materials at high pressure. The typical diamonds used are between 1 and 3 mm thick, while the sample contained within the opposing diamonds is often just a few microns in thickness. Hence, any absorbance or scattering from diamond can cause a significant background or interference when probing a sample in a DAC. By perforating the diamond to within 50-100 mu m of the sample, the amount of diamond and the resulting background or interference can be dramatically reduced. The DAC presented in this article is designed to study amorphous materials at high pressure using high-energy x-ray scattering (>60 keV) using laser-perforated diamonds. A small diameter perforation maintains structural integrity and has allowed us to reach pressures >50 GPa, while dramatically decreasing the intensity of the x-ray diffraction background (primarily Compton scattering) when compared to studies using solid diamonds. This cell design allows us for the first time measurement of x-ray scattering from light (low Z) amorphous materials. Here, we present data for two examples using the described DAC with one and two perforated diamond geometries for the high-pressure structural studies of SiO(2) glass and B(2)O(3) glass.
C1 [Soignard, Emmanuel] Arizona State Univ, LeRoy Eyring Ctr Solid State Sci, Tempe, AZ 85287 USA.
[Benmore, Chris J.; Yarger, Jeffery L.] Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA.
[Benmore, Chris J.] Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Argonne, IL 60439 USA.
[Yarger, Jeffery L.] Arizona State Univ, Dept Chem & Biochem, Tempe, AZ 85287 USA.
RP Soignard, E (reprint author), Arizona State Univ, LeRoy Eyring Ctr Solid State Sci, Tempe, AZ 85287 USA.
EM jyarger@gmail.com
RI Yarger, Jeff/L-8748-2014;
OI Yarger, Jeff/0000-0002-7385-5400; Benmore, Chris/0000-0001-7007-7749
FU National Nuclear Security Administration Carnegie/DOE Alliance Center
(NNSA CDAC); U.S. Department of Energy, Office of Science, Office of
Basic Energy Sciences [DE-AC02-06CH11357]
FX This work was supported in part by the National Nuclear Security
Administration Carnegie/DOE Alliance Center (NNSA CDAC). Use of the
Advanced Photon Source at Argonne National Laboratory was supported by
the U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences, under Contract No. DE-AC02-06CH11357. We would also like to
thank Dr. Malcolm Guthrie for helpful discussions and Dr. Guoyin Shen
for lending us the c-BN backing plates.
NR 37
TC 17
Z9 17
U1 3
U2 23
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0034-6748
J9 REV SCI INSTRUM
JI Rev. Sci. Instrum.
PD MAR
PY 2010
VL 81
IS 3
AR 035110
DI 10.1063/1.3356977
PG 9
WC Instruments & Instrumentation; Physics, Applied
SC Instruments & Instrumentation; Physics
GA 577GJ
UT WOS:000276210200064
PM 20370216
ER
PT J
AU Rambo, RP
Tainer, JA
AF Rambo, Robert P.
Tainer, John A.
TI Improving small-angle X-ray scattering data for structural analyses of
the RNA world
SO RNA-A PUBLICATION OF THE RNA SOCIETY
LA English
DT Article
DE small-angle X-ray scattering (SAXS); RNA folding; modeling; misfolded
ID CONTROLS GENE-EXPRESSION; S-ADENOSYLMETHIONINE; BIOLOGICAL
MACROMOLECULES; SHAPE DETERMINATION; RESOLUTION; RIBOZYME; MODEL;
RIBOSWITCH; PROTEINS; SAXS
AB Defining the shape, conformation, or assembly state of an RNA in solution often requires multiple investigative tools ranging from nucleotide analog interference mapping to X-ray crystallography. A key addition to this toolbox is small-angle X-ray scattering (SAXS). SAXS provides direct structural information regarding the size, shape, and flexibility of the particle in solution and has proven powerful for analyses of RNA structures with minimal requirements for sample concentration and volumes. In principle, SAXS can provide reliable data on small and large RNA molecules. In practice, SAXS investigations of RNA samples can show inconsistencies that suggest limitations in the SAXS experimental analyses or problems with the samples. Here, we show through investigations on the SAM-I riboswitch, the Group I intron P4-P6 domain, 30S ribosomal subunit from Sulfolobus solfataricus (30S), brome mosaic virus tRNA-like structure (BMV TLS), Thermotoga maritima asd lysine riboswitch, the recombinant tRNA(val), and yeast tRNA(phe) that many problems with SAXS experiments on RNA samples derive from heterogeneity of the folded RNA. Furthermore, we propose and test a general approach to reducing these sample limitations for accurate SAXS analyses of RNA. Together our method and results show that SAXS with synchrotron radiation has great potential to provide accurate RNA shapes, conformations, and assembly states in solution that inform RNA biological functions in fundamental ways.
C1 [Tainer, John A.] Scripps Res Inst, Dept Mol Biol, Skaggs Inst Chem Biol, La Jolla, CA 92037 USA.
[Rambo, Robert P.; Tainer, John A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Adv Light Source, Berkeley, CA 94720 USA.
RP Tainer, JA (reprint author), Scripps Res Inst, Dept Mol Biol, Skaggs Inst Chem Biol, 10666 N Torrey Pines Rd, La Jolla, CA 92037 USA.
EM jat@scripps.edu
FU DOE [DE-AC02-05CH11231]; U.S. Department of Energy
FX We acknowledge Robert Batey and Jeff Kieft for providing RNA samples and
Steve Yannone for the 30S ribosomal subunit from Sulfolobus
solfataricus. We thank John Hammond, Robert Batey, Jeff Kieft, Gareth
Williams, Greg Hura, Michal Hammel, Ken Frankel, Kevin Dyer, Jane
Tanamachi, and Elisa Lutzer for insightful discussions. Support for this
work and data collection at the Lawrence Berkeley National Laboratory
SIBYLS beamline of the Advanced Light Source came from the DOE program
Integrated Diffraction Analysis Technologies (IDAT) under Contract
DE-AC02-05CH11231 with the U.S. Department of Energy.
NR 48
TC 50
Z9 50
U1 2
U2 15
PU COLD SPRING HARBOR LAB PRESS, PUBLICATIONS DEPT
PI WOODBURY
PA 500 SUNNYSIDE BLVD, WOODBURY, NY 11797-2924 USA
SN 1355-8382
J9 RNA
JI RNA-Publ. RNA Soc.
PD MAR
PY 2010
VL 16
IS 3
BP 638
EP 646
DI 10.1261/rna.1946310
PG 9
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 557YV
UT WOS:000274707500018
PM 20106957
ER
PT J
AU Wullschleger, SD
Strahl, M
AF Wullschleger, Stan D.
Strahl, Maya
TI CLIMATE CHANGE: A CONTROLLED EXPERIMENT
SO SCIENTIFIC AMERICAN
LA English
DT Article
ID CO2
C1 [Strahl, Maya] Cold Spring Harbor Lab, New York, NY USA.
[Strahl, Maya] Higher Educ Res Experiences Program, Oak Ridge, TN USA.
[Wullschleger, Stan D.] Oak Ridge Natl Lab, Plant Syst Biol Grp, Oak Ridge, TN USA.
RI Wullschleger, Stan/B-8297-2012
OI Wullschleger, Stan/0000-0002-9869-0446
NR 3
TC 4
Z9 4
U1 2
U2 8
PU SCI AMERICAN INC
PI NEW YORK
PA 415 MADISON AVE, NEW YORK, NY 10017 USA
SN 0036-8733
J9 SCI AM
JI Sci.Am.
PD MAR
PY 2010
VL 302
IS 3
BP 78
EP 83
PG 6
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 557SW
UT WOS:000274691400030
PM 20184187
ER
PT J
AU Wiley, S
AF Wiley, Steven
TI To Join or Not to Join
SO SCIENTIST
LA English
DT Editorial Material
C1 Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
RP Wiley, S (reprint author), Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU SCIENTIST INC
PI PHILADELPHIA
PA 400 MARKET ST, STE 1250, PHILADELPHIA, PA 19106 USA
SN 0890-3670
J9 SCIENTIST
JI Scientist
PD MAR
PY 2010
VL 24
IS 3
BP 33
EP 33
PG 1
WC Information Science & Library Science; Multidisciplinary Sciences
SC Information Science & Library Science; Science & Technology - Other
Topics
GA 562EO
UT WOS:000275032700020
ER
PT J
AU Foiles, SM
AF Foiles, Stephen M.
TI Temperature dependence of grain boundary free energy and elastic
constants
SO SCRIPTA MATERIALIA
LA English
DT Article
DE Grain boundary energy; Elastic behavior; Thermodynamics; Molecular
dynamics; Grain growth
ID POINT-DEFECTS; METALS
AB This work explores the suggestion that the temperature dependence of the grain boundary free energy can be estimated from the temperature dependence of the elastic constants. The temperature-dependent elastic constants and free energy of a symmetric Sigma 79 tilt boundary are computed for an embedded atom method model of Ni. The grain boundary free energy scales with the product of the shear modulus times the lattice constant for temperatures up to about 0.75 the melting temperature. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Foiles, SM (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM foiles@sandia.gov
OI Foiles, Stephen/0000-0002-1907-454X
FU United States Department of Energy's National Nuclear Security
Administration [DE-AC0494AL85000]
FX Sandia is a multi-program laboratory operated by Sandia Corporation, a
Lockheed Martin Company, for the United States Department of Energy's
National Nuclear Security Administration under contract
DE-AC0494AL85000. The Laboratory Directed Research and Development
Program at Sandia National Laboratories supported this work. This work
was motivated by and benefitted from discussions sponsored by the
Department of Energy, Office of Basic Energy Sciences, Computational
Materials Science Network program. The authors thanks M.D. Asta and D.L.
Olmsted for critical reading of the manuscript.
NR 20
TC 24
Z9 24
U1 4
U2 26
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6462
J9 SCRIPTA MATER
JI Scr. Mater.
PD MAR
PY 2010
VL 62
IS 5
BP 231
EP 234
DI 10.1016/j.scriptamat.2009.11.003
PG 4
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Metallurgy & Metallurgical Engineering
SC Science & Technology - Other Topics; Materials Science; Metallurgy &
Metallurgical Engineering
GA 555WH
UT WOS:000274546800004
ER
PT J
AU Kerr, M
Daymond, MR
Holt, RA
Almer, JD
Stafford, S
AF Kerr, M.
Daymond, M. R.
Holt, R. A.
Almer, J. D.
Stafford, S.
TI Observation of growth of a precipitate at a stress concentration by
synchrotron X-ray diffraction
SO SCRIPTA MATERIALIA
LA English
DT Article
DE Zirconium hydrides; Fracture; Synchrotron; Zr-2 5Nb; Hydride growth
ID ZIRCONIUM ALLOYS; MECHANICAL-PROPERTIES; HYDRIDE; STRAIN; EMBRITTLEMENT;
DEFORMATION; EVOLUTION; ZR-2.5NB; BEHAVIOR; FRACTURE
AB This paper reports X-ray diffraction results obtained during in situ precipitate growth studies A Zr-2 5Nb specimen containing 60 wt. ppm hydrogen was Subject to it thermomechanical cycle in order to precipitate hydrides preferentially at a 15 mu m root radius notch Diffraction patterns were collected as it Function of time, during growth of a large (similar to 100 mu m long) notch-tip hydride The results indicate that hydride precipitation relaxes the crack tip strain field and confirm differences in overload behavior observed at room temperature and 250 degrees C. (C) 2009 Acta Materialia Inc Published by Elsevier Ltd All rights reserved
C1 [Kerr, M.; Daymond, M. R.; Holt, R. A.] Queens Univ, Dept Mech & Mat Engn, Kingston, ON K7L 3N6, Canada.
[Almer, J. D.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Stafford, S.] Kinectrics Inc, Toronto, ON M8Z 6C4, Canada.
RP Daymond, MR (reprint author), Queens Univ, Dept Mech & Mat Engn, Kingston, ON K7L 3N6, Canada.
OI Daymond, Mark/0000-0001-6242-7489
FU NSERC; UNENE; Nu-Tech Precision Metals under an Industrial Research
Chair; US DOE; Office of Basic Energy Sciences [DE-Ac02-06CH11357]
FX Work supported by NSERC, UNENE and Nu-Tech Precision Metals under an
Industrial Research Chair Program. Use of APS was Supported by the US
DOE, Office of Basic Energy Sciences, under Contract DE-Ac02-06CH11357
The authors thank Gordon Shek for useful discussions in planning this
experiment.
NR 23
TC 11
Z9 11
U1 0
U2 9
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6462
J9 SCRIPTA MATER
JI Scr. Mater.
PD MAR
PY 2010
VL 62
IS 6
BP 341
EP 344
DI 10.1016/j.scriptamat.2009.10.031
PG 4
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Metallurgy & Metallurgical Engineering
SC Science & Technology - Other Topics; Materials Science; Metallurgy &
Metallurgical Engineering
GA 562RY
UT WOS:000275072700005
ER
PT J
AU Medlin, DL
Sugar, JD
AF Medlin, D. L.
Sugar, J. D.
TI Interfacial defect structure at Sb2Te3 precipitates in the
thermoelectric compound AgSbTe2
SO SCRIPTA MATERIALIA
LA English
DT Article
DE Thermoelectric materials; Phase transformations; Precipitation;
Interfaces; High-resolution electron microscopy (HREM)
ID POWER GENERATION; SYSTEM; DISCONNECTIONS; DISLOCATIONS; STEPS; PBTE; TE;
SE; BI
AB We analyze a line defect at the Interface between tetradymite-structured Sb2Te3 and rocksalt-structured AgSbTe2 using high-resolution electron microscopy By determining the step-height and Burgers vector of this defect, we show how motion of the defect, through it diffusive glide mechanism, call transform material from the rocksalt structure to the tetradymite structure We discuss the atomic flux requirements for this defect motion This analysis helps to explain the growth mechanism of tetradymite precipitates within rocksalt-structured chalcogenides (C) 2009 Acta Materialia Inc Published by Elsevier Ltd All rights reserved
C1 [Medlin, D. L.; Sugar, J. D.] Sandia Natl Labs, Livermore, CA 94551 USA.
RP Medlin, DL (reprint author), Sandia Natl Labs, Livermore, CA 94551 USA.
FU US-DOE-OBES-DMS; Sandia LDRD Office
FX Sandia is a multiprogram laboratory operated by Sandia Corporation, a
Lockheed-Martin Company, for the US-DOE-NNSA, Under Contract
DE-AC04-94ALS5000. Support was provided in part by the US-DOE-OBES-DMS,
and the Sandia LDRD Office. The authors acknowledge helpful discussions
with J Lensch-Falk, N. Bartelt, and P Sharma.
NR 25
TC 18
Z9 19
U1 0
U2 19
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6462
J9 SCRIPTA MATER
JI Scr. Mater.
PD MAR
PY 2010
VL 62
IS 6
BP 379
EP 382
DI 10.1016/j.scriptamat.2009.11.028
PG 4
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Metallurgy & Metallurgical Engineering
SC Science & Technology - Other Topics; Materials Science; Metallurgy &
Metallurgical Engineering
GA 562RY
UT WOS:000275072700015
ER
PT J
AU Yang, L
Cemerlic, A
Cui, XH
AF Yang, Li
Cemerlic, Alma
Cui, Xiaohui
TI A Dirichlet reputation system in reliable routing of wireless ad hoc
network
SO SECURITY AND COMMUNICATION NETWORKS
LA English
DT Article
DE Dirichlet reputation; reliable routing; ad hoc network
AB Ad hoc networks are very helpful in situations when no fixed network infrastructure is available, such as natural disasters and military conflicts. In such a network, all wireless nodes are equal peers simultaneously serving as both senders and routers for other nodes. Therefore, how to route packets through reliable paths becomes a fundamental problems when behaviors of certain nodes deviate from wireless ad hoc routing protocols. We proposed a novel Dirichlet reputation model based on Bayesian inference theory which evaluates reliability of each node in terms of packet delivery. Our system offers a way to predict and select a reliable path through combination of first-hand observation and second-hand reputation reports. We also proposed moving window mechanism which helps to adjust ours responsiveness of our system to changes of node behaviors. We integrated the Dirichlet reputation into routing protocol of wireless ad hoc networks. Our extensive simulation indicates that our proposed reputation system can improve good throughput of the network and reduce negative impacts caused by misbehaving nodes. Copyright (C) 2010 John Wiley & Sons, Ltd.
C1 [Yang, Li; Cemerlic, Alma] Univ Tennessee, Dept Comp Sci & Engn, Chattanooga, TN 37403 USA.
[Cui, Xiaohui] Oak Ridge Natl Lab, Computat Sci & Engn Div, Appl Software Engn Res Grp, Oak Ridge, TN USA.
RP Yang, L (reprint author), Univ Tennessee, Dept Comp Sci & Engn, Chattanooga, TN 37403 USA.
EM Li-Yang@utc.edu
FU Tennessee Higher Education Commission's Center of Excellence in Applied
Computational Science and Engineering
FX This work is partially supported by Tennessee Higher Education
Commission's Center of Excellence in Applied Computational Science and
Engineering.
NR 22
TC 3
Z9 3
U1 0
U2 1
PU JOHN WILEY & SONS LTD
PI CHICHESTER
PA THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND
SN 1939-0114
J9 SECUR COMMUN NETW
JI Secur. Commun. Netw.
PD MAR-JUN
PY 2010
VL 3
IS 2-3
SI SI
BP 250
EP 260
DI 10.1002/sec.173
PG 11
WC Computer Science, Information Systems; Telecommunications
SC Computer Science; Telecommunications
GA 589NR
UT WOS:000277157600011
ER
PT J
AU Cabrera, ML
Kissel, DE
Craig, JR
Qafoku, NP
Vaio, N
Rema, JA
Morris, LA
AF Cabrera, M. L.
Kissel, D. E.
Craig, J. R.
Qafoku, N. P.
Vaio, N.
Rema, J. A.
Morris, L. A.
TI Relative Humidity Controls Ammonia Loss from Urea Applied to Loblolly
Pine
SO SOIL SCIENCE SOCIETY OF AMERICA JOURNAL
LA English
DT Article
ID APPLIED CATTLE SLURRY; WIND-SPEED; VOLATILIZATION; PLANTATION; SOIL;
FERTILIZER; TEMPERATURE; RAINFALL
AB In the United States, approximately 600,000 ha of pine trees are fertilized with urea each year, with NH(3) volatilization losses ranging from <1% to >50% depending on environmental conditions. Previous work showed that the timing of rainfall after urea application plays a significant role in controlling NH(3) loss, but the effect of other environmental variables is not well understood. We conducted 1029-d studies under different environmental conditions during 2 yr to identify important variables controlling NH(3) loss from urea applied to loblolly pine (Pinus taeda L.) at 200 kg N ha(-1). Ammonia loss was measured with dynamic chambers that adjusted the rate of air flow through the system based on wind speed at I cm above the soil surface. Regression analysis indicated that a variable related to the initial water content of the forest floor and a variable related to the relative humidity (RH) during the study explained 85 to 94% of the observed variability in NH(3) loss. Relatively high initial water content followed by consistently high RH led to large NH(3) losses. In contrast, low initial water contents resulted in slow rates of NH(3) loss, which increased when elevated RH led to an increase in the water content of the forest floor, These results indicate that RH can play a significant role in NH(3) loss by accelerating urea dissolution and by increasing or decreasing the water content of the forest floor, which in turn can affect the rate of urea hydrolysis.
C1 [Cabrera, M. L.; Kissel, D. E.; Craig, J. R.; Vaio, N.; Rema, J. A.] Univ Georgia, Dept Crop & Soil Sci, Athens, GA 30602 USA.
[Kissel, D. E.] Univ Georgia, Agr & Environm Serv Lab, Athens, GA 30602 USA.
[Qafoku, N. P.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Morris, L. A.] Univ Georgia, Warnell Sch Forestry & Nat Resources, Athens, GA 30602 USA.
RP Cabrera, ML (reprint author), Univ Georgia, Dept Crop & Soil Sci, Athens, GA 30602 USA.
EM mcabrera@uga.edu
RI Yang, Yang/C-7464-2012;
OI Qafoku, Nikolla P./0000-0002-3258-5379
FU Univ. of Georgia Agricultural Experiment Station; Warnell School of
Forestry and Natural Resources; Georgia Traditional Industries Program
for Pulp and Paper; Bowater Inc.; Champion International; Georgia
Pacific; Goldkist/Southern States Cooperatives; U.S. Borax; Westvaco
Corp.
FX This research was funded by the Univ. of Georgia Agricultural Experiment
Station, the Warnell School of Forestry and Natural Resources, the
Georgia Traditional Industries Program for Pulp and Paper, Bowater Inc.,
Champion International, Georgia Pacific, Goldkist/Southern States
Cooperatives, U.S. Borax, and Westvaco Corp.
NR 28
TC 15
Z9 19
U1 0
U2 13
PU SOIL SCI SOC AMER
PI MADISON
PA 677 SOUTH SEGOE ROAD, MADISON, WI 53711 USA
SN 0361-5995
J9 SOIL SCI SOC AM J
JI Soil Sci. Soc. Am. J.
PD MAR-APR
PY 2010
VL 74
IS 2
BP 543
EP 549
DI 10.2136/sssaj2009.0220
PG 7
WC Soil Science
SC Agriculture
GA 564BW
UT WOS:000275187300024
ER
PT J
AU Brown, GF
Ager, JW
Walukiewicz, W
Wu, J
AF Brown, G. F.
Ager, J. W., III
Walukiewicz, W.
Wu, J.
TI Finite element simulations of compositionally graded InGaN solar cells
SO SOLAR ENERGY MATERIALS AND SOLAR CELLS
LA English
DT Article
DE Device modeling; InGaN; Composition grading; Heterojunction
ID BAND-GAP; IN1-XGAXN ALLOYS; EFFECTIVE-MASS; WURTZITE GAN; INN;
DISCONTINUITIES; LIFETIME
AB The solar power conversion efficiency of compositionally graded In(x)Ga(1-x)N solar cells was simulated using a finite element approach. Incorporating a compositionally graded region on the InGaN side of a p-GaN/n-In(x)Ga(1-x)N heterojunction removes a barrier for hole transport into GaN and increases the cell efficiency. The design also avoids many of the problems found to date in homojunction cells as no p-type high-In content region is required. Simulations predict 28.9% efficiency for a p-GaN/n-In(x)Ga(1-x)N/n-In(0.5)Ga(0.5)N/p-Si/n-Si tandem structure using realistic material parameters. The thickness and doping concentration of the graded region was found to substantially affect the performance of the cells. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Brown, G. F.; Wu, J.] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA.
[Ager, J. W., III; Walukiewicz, W.; Wu, J.] Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Brown, GF (reprint author), Univ Calif Berkeley, Dept Mat Sci & Engn, 210 Hearst Mem Min Bldg Rm 114, Berkeley, CA 94720 USA.
EM gregory.f.brown@gmail.com
RI Wu, Junqiao/G-7840-2011;
OI Wu, Junqiao/0000-0002-1498-0148; Ager, Joel/0000-0001-9334-9751
FU National Science Foundation [CBET-0932905]; Lawrence Berkeley National
Laboratory; Director, Office of Science, Office of Basic Energy
Sciences, Materials Sciences; U.S. Department of Energy
[DE-AC02-05CH11231]
FX This work was supported in part by National Science Foundation under
Grant No. CBET-0932905, and a LDRD grant from the Lawrence Berkeley
National Laboratory. JWA was supported by the Director, Office of
Science, Office of Basic Energy Sciences, Materials Sciences and
Engineering Division of the U.S. Department of Energy, Contract No.
DE-AC02-05CH11231.
NR 39
TC 90
Z9 90
U1 4
U2 50
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0927-0248
J9 SOL ENERG MAT SOL C
JI Sol. Energy Mater. Sol. Cells
PD MAR
PY 2010
VL 94
IS 3
BP 478
EP 483
DI 10.1016/j.solmat.2009.11.010
PG 6
WC Energy & Fuels; Materials Science, Multidisciplinary; Physics, Applied
SC Energy & Fuels; Materials Science; Physics
GA 562SB
UT WOS:000275073000015
ER
PT J
AU Dwyer, D
Repins, I
Efstathiadis, H
Haldar, P
AF Dwyer, Daniel
Repins, Ingrid
Efstathiadis, Haralabos
Haldar, Pradeep
TI Selenization of co-sputtered CuInAl precursor films
SO SOLAR ENERGY MATERIALS AND SOLAR CELLS
LA English
DT Article
DE Selenization; CuInAl; CuInAlSe(2); CIAS; CIGS; Co-sputtering
ID CHALCOPYRITE SOLAR-CELLS; CUINSE2 THIN-FILMS; X-RAY-DIFFRACTION;
GA-CONTENT; REAL-TIME; CU(IN,GA)SE-2; PERFORMANCE; KINETICS; LAYERS; SE
AB CuInAl precursor films with varying Al/(In+Al) ratios were co-sputtered onto Mo coated soda-lime glass substrates. Metal precursor films were then selenized under vacuum conditions using thermally evaporated elemental selenium. Both precursor films and selenized samples were characterized for composition, crystalline phases, morphology, and compositional depth uniformity. Selenized films show low Al incorporation and phase separation when selenized at both 500 and 525 degrees C. Films selenized with a Se deposition rate of 12 angstrom/s showed poor adhesion compared with samples selenized at 4 angstrom/s. The segregation of aluminum towards the back contact as well as oxygen incorporation appears to cause adhesive loss in extreme cases, and poor interface electrical characteristics in others. The maximum device efficiency measured was 5.2% under AM1.5 for a device with similar to 2 at% aluminum. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Dwyer, Daniel; Efstathiadis, Haralabos; Haldar, Pradeep] SUNY Albany, Coll Nanoscale Sci & Engn, Albany, NY 12203 USA.
[Repins, Ingrid] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Dwyer, D (reprint author), SUNY Albany, Coll Nanoscale Sci & Engn, 255 Fuller Rd, Albany, NY 12203 USA.
EM DDwyer@uamail.albany.edu
FU New York State Foundation for Science, Technology and Innovation
(NYSTAR)
FX The authors would like to thank Richard Moore of the College of
Nanoscale Science and Engineering (CNSE) for his assistance with XPS
measurements and discussions on AES data, as well as Dr. Eric Lifshin of
CNSE for discussions on EPMA data. We would also like to thank Stephen
Glynn and Clay DeHart of the National Renewable Energy Laboratory (NREL)
for their help with device finishing and useful comments on the
finishing process, as well as Dr. Rommel Noufi of NREL for useful
discussions. This work was supported by the New York State Foundation
for Science, Technology and Innovation (NYSTAR).
NR 26
TC 31
Z9 31
U1 0
U2 16
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0927-0248
J9 SOL ENERG MAT SOL C
JI Sol. Energy Mater. Sol. Cells
PD MAR
PY 2010
VL 94
IS 3
BP 598
EP 605
DI 10.1016/j.solmat.2009.12.005
PG 8
WC Energy & Fuels; Materials Science, Multidisciplinary; Physics, Applied
SC Energy & Fuels; Materials Science; Physics
GA 562SB
UT WOS:000275073000033
ER
PT J
AU Chaudhari, P
Shim, H
AF Chaudhari, P.
Shim, Heejae
TI Grain boundaries in the cuprate superconductors: tapes and tunneling
spectroscopy
SO SUPERCONDUCTOR SCIENCE & TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 9th European Conference on Applied Superconductivity (EUCAS)
CY SEP 13-17, 2009
CL Dresden, GERMANY
ID BREAK JUNCTIONS; BI2SR2CACU2O8+DELTA; TRANSPORT
AB Grain boundaries in the high temperature superconducting cuprates have played a central role in their development for practical applications and in the fundamental understanding of the nature of superconductivity in these materials. Tapes for energy use, SQUIDS, symmetry of the wavefunction, Qbits, applications related to the AC Josephson effect, and tunneling spectroscopy are some areas of current research. In this brief paper, the authors first summarize what we know about what limits the critical current densities of tapes and suggest a few experiments to further understand these limits to critical current densities and, secondly, discuss the use of grain boundary for carrying out tunneling spectroscopy in optimally doped La1.84Sr0.16CuO4 (LSCO). This includes new data and comparisons with theory and experiments. The background material and review were presented at the EUCAS 09 conference in Dresden as one of the plenary talks and are available from the authors.
C1 [Chaudhari, P.; Shim, Heejae] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Chaudhari, P (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
EM shim@bnl.gov
NR 28
TC 0
Z9 0
U1 2
U2 4
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0953-2048
EI 1361-6668
J9 SUPERCOND SCI TECH
JI Supercond. Sci. Technol.
PD MAR
PY 2010
VL 23
IS 3
AR 034002
DI 10.1088/0953-2048/23/3/034002
PG 6
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 559DH
UT WOS:000274800500003
ER
PT J
AU Clem, JR
Malozemoff, AP
AF Clem, J. R.
Malozemoff, A. P.
TI Theory of ac loss in power transmission cables with second generation
high temperature superconductor wires
SO SUPERCONDUCTOR SCIENCE & TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 9th European Conference on Applied Superconductivity (EUCAS)
CY SEP 13-17, 2009
CL Dresden, GERMANY
ID HARD SUPERCONDUCTORS; II SUPERCONDUCTORS; COATED CONDUCTORS
AB While a considerable amount of work has been done in an effort to understand ac losses in power transmission cables made of first generation high temperature superconductor (HTS) wires, use of second generation (2G) HTS wires brings in some new considerations. The high critical current density of the HTS layer in 2G wires reduces the surface superconductor hysteretic losses, for which a new formula is derived. Instead, gap and polygonal losses, flux transfer losses in imbalanced two-layer cables and ferromagnetic losses for wires with NiW substrates constitute the principal contributions. A formula for the flux transfer losses is also derived with a paramagnetic approximation for the substrate. Current imbalance and losses associated with the magnetic substrate can be minimized by orienting the substrates of the inner winding inward and the outer winding outward.
C1 [Clem, J. R.] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
[Malozemoff, A. P.] Amer Superconductor Corp, Devens, MA 01434 USA.
RP Clem, JR (reprint author), Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
EM amalozemoff@amsc.com
NR 18
TC 17
Z9 18
U1 2
U2 13
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0953-2048
J9 SUPERCOND SCI TECH
JI Supercond. Sci. Technol.
PD MAR
PY 2010
VL 23
IS 3
AR 034014
DI 10.1088/0953-2048/23/3/034014
PG 6
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 559DH
UT WOS:000274800500015
ER
PT J
AU Espy, M
Flynn, M
Gomez, J
Hanson, C
Kraus, R
Magnelind, P
Maskaly, K
Matlashov, A
Newman, S
Owens, T
Peters, M
Sandin, H
Savukov, I
Schultz, L
Urbaitis, A
Volegov, P
Zotev, V
AF Espy, M.
Flynn, M.
Gomez, J.
Hanson, C.
Kraus, R.
Magnelind, P.
Maskaly, K.
Matlashov, A.
Newman, S.
Owens, T.
Peters, M.
Sandin, H.
Savukov, I.
Schultz, L.
Urbaitis, A.
Volegov, P.
Zotev, V.
TI Ultra-low-field MRI for the detection of liquid explosives
SO SUPERCONDUCTOR SCIENCE & TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 9th European Conference on Applied Superconductivity (EUCAS)
CY SEP 13-17, 2009
CL Dresden, GERMANY
ID NUCLEAR-QUADRUPOLE RESONANCE; QUANTUM INTERFERENCE DEVICE; MICROTESLA
MAGNETIC-FIELDS; NMR; SPECTROMETER; RELAXOMETRY; MEG
AB Recently it has become both possible and practical to use magnetic resonance (MR) at magnetic fields in the range from mu T to mT, the so-called ultra-low-field (ULF) regime. SQUID (superconducting quantum interference device) sensor technology allows for ultra-sensitive detection while pulsed pre-polarizing fields greatly enhance the signal. The instrumentation allows for unprecedented flexibility in signal acquisition sequences and simplified MRI instrumentation. Here we present results for a new application of ULF MRI and relaxometry for the detection and characterization of liquids. We briefly describe the motivation and advantages of the ULF MR approach, and present recent results from a seven-channel ULF MRI/relaxometer system constructed to non-invasively inspect liquids at a security checkpoint for the presence of hazardous material. The instrument was deployed at the Albuquerque International Airport in December 2008, and results from that endeavor are also presented.
C1 [Espy, M.; Flynn, M.; Gomez, J.; Hanson, C.; Kraus, R.; Magnelind, P.; Maskaly, K.; Matlashov, A.; Newman, S.; Owens, T.; Peters, M.; Sandin, H.; Savukov, I.; Schultz, L.; Urbaitis, A.; Volegov, P.; Zotev, V.] Los Alamos Natl Lab, Appl Modern Phys Grp, Los Alamos, NM 87545 USA.
RP Espy, M (reprint author), Los Alamos Natl Lab, Appl Modern Phys Grp, MS D454, Los Alamos, NM 87545 USA.
EM espy@lanl.gov
OI Savukov, Igor/0000-0003-4190-5335; Urbaitis, Algis/0000-0002-8626-5987
NR 27
TC 33
Z9 33
U1 0
U2 11
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0953-2048
EI 1361-6668
J9 SUPERCOND SCI TECH
JI Supercond. Sci. Technol.
PD MAR
PY 2010
VL 23
IS 3
AR 034023
DI 10.1088/0953-2048/23/3/034023
PG 8
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 559DH
UT WOS:000274800500024
ER
PT J
AU Godeke, A
Acosta, P
Cheng, D
Dietderich, DR
Mentink, MGT
Prestemon, SO
Sabbi, GL
Meinesz, M
Hong, S
Huang, Y
Miao, H
Parrell, J
AF Godeke, A.
Acosta, P.
Cheng, D.
Dietderich, D. R.
Mentink, M. G. T.
Prestemon, S. O.
Sabbi, G. L.
Meinesz, M.
Hong, S.
Huang, Y.
Miao, H.
Parrell, J.
TI Wind-and-react Bi-2212 coil development for accelerator magnets
SO SUPERCONDUCTOR SCIENCE & TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 9th European Conference on Applied Superconductivity (EUCAS'09)
CY SEP 13-17, 2009
CL Dresden, GERMANY
ID NB3SN
AB Sub-scale coils are being manufactured and tested at Lawrence Berkeley National Laboratory in order to develop wind-and-react Bi(2)Sr(2)CaCu(2)O(x) (Bi-2212) magnet technology for future graded accelerator magnet use. Previous Bi-2212 coils showed significant leakage of the conductors' core constituents to the environment, which can occur during the partial melt reaction around 890 degrees C in pure oxygen. The main origin of the observed leakage is intrinsic leakage of the wires, and the issue is therefore being addressed at the wire manufacturing level. We report on further compatibility studies, and the performance of new sub-scale coils that were manufactured using improved conductors. These coils exhibit significantly reduced leakage, and carry currents that are about 70% of the witness wire critical current (I(c)). The coils demonstrate, for the first time, the feasibility of round wire Bi-2212 conductors for accelerator magnet technology use. Successful high temperature superconductor coil technology will enable the manufacture of graded accelerator magnets that can surpass the, already closely approached, intrinsic magnetic field limitations of Nb-based superconducting magnets.
C1 [Godeke, A.; Acosta, P.; Cheng, D.; Dietderich, D. R.; Mentink, M. G. T.; Prestemon, S. O.; Sabbi, G. L.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Meinesz, M.; Hong, S.; Huang, Y.; Miao, H.; Parrell, J.] Oxford Instruments, Carteret, NJ 07008 USA.
RP Godeke, A (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM agodeke@lbl.gov
NR 8
TC 29
Z9 30
U1 1
U2 11
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0953-2048
J9 SUPERCOND SCI TECH
JI Supercond. Sci. Technol.
PD MAR
PY 2010
VL 23
IS 3
AR 034022
DI 10.1088/0953-2048/23/3/034022
PG 6
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 559DH
UT WOS:000274800500023
ER
PT J
AU Grilli, F
Sirois, F
Brault, S
Brambilla, R
Martini, L
Nguyen, DN
Goldacker, W
AF Grilli, Francesco
Sirois, Frederic
Brault, Simon
Brambilla, Roberto
Martini, Luciano
Nguyen, Doan N.
Goldacker, Wilfried
TI Edge and top/bottom losses in non-inductive coated conductor coils with
small separation between tapes
SO SUPERCONDUCTOR SCIENCE & TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 9th European Conference on Applied Superconductivity (EUCAS'09)
CY SEP 13-17, 2009
CL Dresden, GERMANY
AB In this paper we consider two different finite-element models for computing ac losses in coils composed of coated conductors: a 2D model based on solving Maxwell's equations by means of edge elements and a 1D model based on solving the integral equations for the current density in the tapes. The models are tested for a configuration of practical interest, a non-inductive solenoidal coil for fault current limiter applications. We focused our attention on the conditions when differences between the two models are expected to emerge, for example when the tapes are closely packed or when the dependence of the critical current density on the local magnetic field is taken into account. We present and discuss several cases, offering possible explanations for the observed differences of ac loss values.
C1 [Grilli, Francesco; Goldacker, Wilfried] Karlsruhe Inst Technol, D-76344 Eggenstein Leopoldshafen, Germany.
[Sirois, Frederic; Brault, Simon] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[Brambilla, Roberto; Martini, Luciano] ENEA Ric Sistema Elettr SpA, I-20134 Milan, Italy.
[Nguyen, Doan N.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Grilli, F (reprint author), Karlsruhe Inst Technol, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany.
EM francesco.grilli@kit.edu
RI Sirois, Frederic/F-3736-2010; Nguyen, Doan/F-3148-2010
OI Sirois, Frederic/0000-0003-0372-9449;
NR 11
TC 12
Z9 12
U1 0
U2 5
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0953-2048
J9 SUPERCOND SCI TECH
JI Supercond. Sci. Technol.
PD MAR
PY 2010
VL 23
IS 3
AR 034017
DI 10.1088/0953-2048/23/3/034017
PG 7
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 559DH
UT WOS:000274800500018
ER
PT J
AU MacManus-Driscoll, JL
Harrington, SA
Durrell, JH
Ercolano, G
Wang, H
Lee, JH
Tsai, CF
Maiorov, B
Kursumovic, A
Wimbush, SC
AF MacManus-Driscoll, J. L.
Harrington, S. A.
Durrell, J. H.
Ercolano, G.
Wang, H.
Lee, J. H.
Tsai, C. F.
Maiorov, B.
Kursumovic, A.
Wimbush, S. C.
TI High current, low cost YBCO conductors-what's next?
SO SUPERCONDUCTOR SCIENCE & TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 9th European Conference on Applied Superconductivity (EUCAS'09)
CY SEP 13-17, 2009
CL Dresden, GERMANY
AB The Holy Grail for high temperature superconducting conductors is achieving high current material in a simple and cost-effective way. The current status is encouraging but even after more than twenty years of intense worldwide research, there are still many new avenues to be explored. Innovative functional oxide materials science is central to future progress. This paper discusses three key areas of our research focusing on new directions: highly tailored flux pinning using the new core pinning additives R(3)TaO(7) and RBa(2)NbO(6) for control of nanostructure formation; pinning using magnetic phase additives such as RFeO(3) with the potential for a magnetic contribution to the flux pinning; and the use of liquid assisted growth enabling very high growth rates leading to thick films with no critical current degradation.
C1 [MacManus-Driscoll, J. L.; Harrington, S. A.; Durrell, J. H.; Ercolano, G.; Kursumovic, A.; Wimbush, S. C.] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England.
[Wang, H.; Lee, J. H.; Tsai, C. F.] Texas A&M Univ, Dept Elect & Comp Engn, College Stn, TX 77843 USA.
[Maiorov, B.] Los Alamos Natl Lab, MPA STC, Los Alamos, NM 87545 USA.
RP MacManus-Driscoll, JL (reprint author), Univ Cambridge, Dept Mat Sci & Met, Pembroke St, Cambridge CB2 3QZ, England.
EM jld35@cam.ac.uk
RI Wimbush, Stuart/F-3736-2011; Wang, Haiyan/P-3550-2014; Durrell,
John/A-4052-2008;
OI Wimbush, Stuart/0000-0003-1636-643X; Wang, Haiyan/0000-0002-7397-1209;
Durrell, John/0000-0003-0712-3102; Maiorov, Boris/0000-0003-1885-0436
NR 24
TC 10
Z9 10
U1 1
U2 17
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0953-2048
J9 SUPERCOND SCI TECH
JI Supercond. Sci. Technol.
PD MAR
PY 2010
VL 23
IS 3
AR 034009
DI 10.1088/0953-2048/23/3/034009
PG 5
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 559DH
UT WOS:000274800500010
ER
PT J
AU Putti, M
Pallecchi, I
Bellingeri, E
Cimberle, MR
Tropeano, M
Ferdeghini, C
Palenzona, A
Tarantini, C
Yamamoto, A
Jiang, J
Jaroszynski, J
Kametani, F
Abraimov, D
Polyanskii, A
Weiss, JD
Hellstrom, EE
Gurevich, A
Larbalestier, DC
Jin, R
Sales, BC
Sefat, AS
McGuire, MA
Mandrus, D
Cheng, P
Jia, Y
Wen, HH
Lee, S
Eom, CB
AF Putti, M.
Pallecchi, I.
Bellingeri, E.
Cimberle, M. R.
Tropeano, M.
Ferdeghini, C.
Palenzona, A.
Tarantini, C.
Yamamoto, A.
Jiang, J.
Jaroszynski, J.
Kametani, F.
Abraimov, D.
Polyanskii, A.
Weiss, J. D.
Hellstrom, E. E.
Gurevich, A.
Larbalestier, D. C.
Jin, R.
Sales, B. C.
Sefat, A. S.
McGuire, M. A.
Mandrus, D.
Cheng, P.
Jia, Y.
Wen, H. H.
Lee, S.
Eom, C. B.
TI New Fe-based superconductors: properties relevant for applications
SO SUPERCONDUCTOR SCIENCE & TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 9th European Conference on Applied Superconductivity (EUCAS)
CY SEP 13-17, 2009
CL Dresden, GERMANY
ID CRITICAL CURRENTS; SINGLE-CRYSTALS; FIELD; DEPENDENCE
AB Less than two years after the discovery of high temperature superconductivity in oxypnictide LaFeAs(O, F) several families of superconductors based on Fe layers (1111, 122, 11, 111) are available. They share several characteristics with cuprate superconductors that compromise easy applications, such as the layered structure, the small coherence length and unconventional pairing. On the other hand, the Fe-based superconductors have metallic parent compounds and their electronic anisotropy is generally smaller and does not strongly depend on the level of doping, and the supposed order parameter symmetry is s-wave, thus in principle not so detrimental to current transmission across grain boundaries. From the application point of view, the main efforts are still devoted to investigate the superconducting properties, to distinguish intrinsic from extrinsic behaviors and to compare the different families in order to identify which one is the fittest for the quest for better and more practical superconductors. The 1111 family shows the highest T-c, huge but also the most anisotropic upper critical field and in-field, fan-shaped resistive transitions reminiscent of those of cuprates. On the other hand, the 122 family is much less anisotropic with sharper resistive transitions as in low temperature superconductors, but with about half the T-c of the 1111 compounds. An overview of the main superconducting properties relevant to applications will be presented. Upper critical field, electronic anisotropy parameter, and intragranular and intergranular critical current density will be discussed and compared, where possible, across the Fe-based superconductor families.
C1 [Putti, M.; Pallecchi, I.; Bellingeri, E.; Cimberle, M. R.; Tropeano, M.; Ferdeghini, C.; Palenzona, A.] CNR INFM LAMIA, I-16146 Genoa, Italy.
[Putti, M.; Pallecchi, I.; Bellingeri, E.; Cimberle, M. R.; Tropeano, M.; Ferdeghini, C.; Palenzona, A.] Univ Genoa, I-16146 Genoa, Italy.
[Tarantini, C.; Yamamoto, A.; Jiang, J.; Jaroszynski, J.; Kametani, F.; Abraimov, D.; Polyanskii, A.; Weiss, J. D.; Hellstrom, E. E.; Gurevich, A.; Larbalestier, D. C.] Florida State Univ, Natl High Magnet Field Lab, Ctr Appl Superconduct, Tallahassee, FL 32310 USA.
[Jin, R.; Sales, B. C.; Sefat, A. S.; McGuire, M. A.; Mandrus, D.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Cheng, P.; Jia, Y.; Wen, H. H.] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
[Lee, S.; Eom, C. B.] Univ Wisconsin, Dept Mat Sci & Engn, Madison, WI 53706 USA.
RP Putti, M (reprint author), CNR INFM LAMIA, Via Dodecaneso 33, I-16146 Genoa, Italy.
RI McGuire, Michael/B-5453-2009; Yamamoto, Akiyasu/A-5119-2012; Sefat,
Athena/R-5457-2016; Gurevich, Alex/A-4327-2008; Jiang,
Jianyi/F-2549-2017; Lee, Sanghan/C-8876-2012; Bellingeri,
Emilio/G-7260-2014; Mandrus, David/H-3090-2014; Eom,
Chang-Beom/I-5567-2014; Putti, Marina/N-2844-2014; Larbalestier,
David/B-2277-2008
OI Lee, Sanghan/0000-0002-5807-864X; McGuire, Michael/0000-0003-1762-9406;
Sefat, Athena/0000-0002-5596-3504; Gurevich, Alex/0000-0003-0759-8941;
Jiang, Jianyi/0000-0002-1094-2013; FERDEGHINI,
CARLO/0000-0003-0323-7719; Putti, Marina/0000-0002-4529-1708;
Larbalestier, David/0000-0001-7098-7208
NR 57
TC 124
Z9 127
U1 9
U2 47
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0953-2048
EI 1361-6668
J9 SUPERCOND SCI TECH
JI Supercond. Sci. Technol.
PD MAR
PY 2010
VL 23
IS 3
AR 034003
DI 10.1088/0953-2048/23/3/034003
PG 10
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 559DH
UT WOS:000274800500004
ER
PT J
AU Rao, LF
Tian, GX
AF Rao, Linfeng
Tian, Guoxin
TI Symmetry, Optical Properties and Thermodynamics of Neptunium(V)
Complexes
SO SYMMETRY-BASEL
LA English
DT Review
DE symmetry; optical absorption; thermodynamics; neptunium; complexation
AB Recent results on the optical absorption and symmetry of the Np(V) complexes with dicarboxylate and diamide ligands are reviewed. The importance of recognizing the "silent" feature of centrosymmetric Np(V) species in analyzing the absorption spectra and calculating the thermodynamic constants of Np(V) complexes is emphasized.
C1 [Rao, Linfeng; Tian, Guoxin] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Rao, LF (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
EM lrao@lbl.gov; gtian@lbl.gov
FU Office of Science, Office of Basic Energy Science of the U.S. Department
of Energy (DOE) at Lawrence Berkeley National Laboratory (LBNL)
[DE-AC02-05CH 11231]
FX This research was supported by the Director, Office of Science, Office
of Basic Energy Science of the U.S. Department of Energy (DOE) under
Contract No. DE-AC02-05CH 11231 at Lawrence Berkeley National Laboratory
(LBNL). The X-ray diffraction crystallographic data for
NpO2(TMOGA)2ClO4,
Na3NpO2(ODA)2center dot
2H2O(s), and
Na3NpO2(DPA)2(H2O)6(s) are collected at the Advanced Light Source (ALS). ALS is operated
by LBNL for U.S. DOE.
NR 32
TC 7
Z9 7
U1 2
U2 7
PU MDPI AG
PI BASEL
PA POSTFACH, CH-4005 BASEL, SWITZERLAND
SN 2073-8994
J9 SYMMETRY-BASEL
JI Symmetry-Basel
PD MAR
PY 2010
VL 2
IS 1
BP 1
EP 14
DI 10.3390/sym2010001
PG 14
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA V30QX
UT WOS:000208831600001
ER
PT J
AU Santarelli, KR
Dahleh, MA
AF Santarelli, Keith R.
Dahleh, Munther A.
TI Optimal controller synthesis for a class of LTI systems via switched
feedback
SO SYSTEMS & CONTROL LETTERS
LA English
DT Article
DE Switching systems; Rate of convergence; Hybrid systems; Controller
design
ID OUTPUT-FEEDBACK; LINEAR-SYSTEMS; STABILIZATION
AB We develop a switched feedback controller that optimizes the rate of convergence of the state trajectories to the origin for a class of second order LTI systems. Specifically, we derive an algorithm which optimizes the rate of convergence by employing a controller that switches between symmetric gains. As a byproduct of our investigation, we find that, in general, the controllers which optimize the rate of convergence switch between two linear subsystems, one of which is unstable. The algorithm we investigate will design optimal switching laws for the specific case of second order LTI plants of relative degree two. Published by Elsevier B.V.
C1 [Santarelli, Keith R.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Dahleh, Munther A.] MIT, Cambridge, MA 02139 USA.
RP Santarelli, KR (reprint author), Sandia Natl Labs, POB 5800,MS-1316, Albuquerque, NM 87185 USA.
EM krsanta@sandia.gov
NR 16
TC 2
Z9 3
U1 0
U2 5
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0167-6911
J9 SYST CONTROL LETT
JI Syst. Control Lett.
PD MAR-APR
PY 2010
VL 59
IS 3-4
BP 258
EP 264
DI 10.1016/j.sysconle.2010.02.003
PG 7
WC Automation & Control Systems; Operations Research & Management Science
SC Automation & Control Systems; Operations Research & Management Science
GA 595UJ
UT WOS:000277638500013
ER
PT J
AU Bondar, AN
Smith, JC
Elstner, M
AF Bondar, Ana-Nicoleta
Smith, Jeremy C.
Elstner, Marcus
TI Mechanism of a proton pump analyzed with computer simulations
SO THEORETICAL CHEMISTRY ACCOUNTS
LA English
DT Review
DE Proton transfer; QM/MM; Reaction path; Bacteriorhodopsin; Opsin shift;
Water molecules
ID TRANSFORM INFRARED-SPECTROSCOPY; MOLECULAR-DYNAMICS SIMULATIONS; SENSORY
RHODOPSIN-II; RETINAL SCHIFF-BASE; INTERNAL WATER-MOLECULES;
BACTERIORHODOPSIN PHOTOCYCLE; STRUCTURAL-CHANGES; CRYSTAL-STRUCTURE;
L-INTERMEDIATE; CRYSTALLOGRAPHIC STRUCTURE
AB Understanding the mechanism of proton pumping requires a detailed description of the energetics and sequence of events associated with the proton transfers, and of how proton transfer couples to conformational rearrangements of the protein. Here, we discuss our recent advances in using computer simulations to understand how bacteriorhodopsin pumps protons. We emphasize the importance of accurately describing the retinal geometry and the location of water molecules.
C1 [Bondar, Ana-Nicoleta] Univ Calif Irvine, Sch Med, Dept Physiol & Biophys, Irvine, CA 92697 USA.
[Bondar, Ana-Nicoleta] Univ Calif Irvine, Sch Med, Ctr Biomembrane Syst, Irvine, CA 92697 USA.
[Smith, Jeremy C.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Smith, Jeremy C.] Univ Tennessee, Dept Biochem & Mol Biol, Knoxville, TN 37996 USA.
[Elstner, Marcus] Tech Univ Carolo Wilhelmina Braunschweig, Inst Phys & Theoret Chem, D-38106 Braunschweig, Germany.
RP Bondar, AN (reprint author), Univ Calif Irvine, Sch Med, Dept Physiol & Biophys, Med Sci I D374, Irvine, CA 92697 USA.
EM nicoleta.bondar@uci.edu; smithjc@ornl.gov; m.elstner@tu-bs.de
RI smith, jeremy/B-7287-2012; Elstner, Marcus/H-3463-2013
OI smith, jeremy/0000-0002-2978-3227;
FU Deutsche Forschungsgemeinschaft (DFG); National Institutes of General
Medical Sciences [GM74637, GM68002]; US Department of Energy; German
Research Foundation (DFG)
FX The work discussed here had been supported in part by the Deutsche
Forschungsgemeinschaft (DFG) Consortium on Molecular Mechanisms of
Retinal Proteins Action. A.-N. B. is supported by grants GM74637 and
GM68002 from the National Institutes of General Medical Sciences. J.C.S.
is supported by a Laboratory-Directed Research and Development grant
from the US Department of Energy. M. E. is supported by grants from the
German Research Foundation (DFG).
NR 104
TC 8
Z9 8
U1 2
U2 18
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1432-881X
J9 THEOR CHEM ACC
JI Theor. Chem. Acc.
PD MAR
PY 2010
VL 125
IS 3-6
BP 353
EP 363
DI 10.1007/s00214-009-0565-5
PG 11
WC Chemistry, Physical
SC Chemistry
GA 540TV
UT WOS:000273363300022
ER
PT J
AU Kemp, DD
Rintelman, JM
Gordon, MS
Jensen, JH
AF Kemp, Daniel D.
Rintelman, Jamie M.
Gordon, Mark S.
Jensen, Jan H.
TI Exchange repulsion between effective fragment potentials and ab initio
molecules
SO THEORETICAL CHEMISTRY ACCOUNTS
LA English
DT Article
DE Effective fragment potential; QM-EFP; Exchange repulsion; Solvent
ID INTERMOLECULAR PAULI REPULSION; CLOSED-SHELL MOLECULES; GAUSSIAN-TYPE
BASIS; ORBITAL METHODS; APPROXIMATE FORMULA; ORGANIC-MOLECULES; BENZENE
DIMER; ENERGY; CHEMISTRY
AB The exchange repulsion energy and the Fock operator for systems that contain both effective fragment potentials and ab initio molecules have been derived, implemented, and tested on six mixed dimers of common solvent molecules. The implementation requires a balance between accuracy and computational efficiency. The gradient of the exchange repulsion has also been derived. Computational timings and the current challenges facing the implementation of the gradient are discussed.
C1 [Kemp, Daniel D.; Rintelman, Jamie M.; Gordon, Mark S.] Iowa State Univ, Ames, IA 50011 USA.
[Kemp, Daniel D.; Rintelman, Jamie M.; Gordon, Mark S.] Ames Lab, Ames, IA 50011 USA.
[Jensen, Jan H.] Univ Copenhagen, Dept Chem, DK-2100 Copenhagen, Denmark.
RP Gordon, MS (reprint author), Iowa State Univ, Ames, IA 50011 USA.
EM mark@si.fi.ameslab.gov
RI Jensen, Jan/G-4338-2010
OI Jensen, Jan/0000-0002-1465-1010
FU Chemistry Division, Basic Energy Sciences, Department of Energy; Danish
Research Agency (Forskningsradet for Natur og Univers)
FX This work was supported by a grant from the Chemistry Division, Basic
Energy Sciences, Department of Energy, administered by the Ames
Laboratory. Special thanks is given to Hui Li for numerous and
insightful discussions. The authors also thank Dr. Michael Schmidt and
Professor Timothy Dudley for helping with various details of the
implementation into GAMESS. JHJ gratefully acknowledges a Skou
Fellowship from the Danish Research Agency (Forskningsradet for Natur og
Univers).
NR 27
TC 9
Z9 9
U1 0
U2 12
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1432-881X
J9 THEOR CHEM ACC
JI Theor. Chem. Acc.
PD MAR
PY 2010
VL 125
IS 3-6
BP 481
EP 491
DI 10.1007/s00214-009-0660-7
PG 11
WC Chemistry, Physical
SC Chemistry
GA 540TV
UT WOS:000273363300035
ER
PT J
AU Fontana, SM
Dadmun, MD
Lowndes, DH
AF Fontana, S. M.
Dadmun, M. D.
Lowndes, D. H.
TI Long-range order of cylinders in diblock copolymer thin films using
graphoepitaxy
SO THIN SOLID FILMS
LA English
DT Article
DE Polymers; Atomic force microscopy; Nanostructures
ID CARBON NANOTUBES; ORIENTATION; FABRICATION; DEPOSITION; TEMPLATES;
SURFACES; BRUSHES; DISPLAY
AB Topographically patterned substrates are known to induce long-range lateral order in spherical diblock copolymers, but it is not clear that similar confinement will also order cylindrical diblock copolymers across the whole surface. The role of graphoepitaxial parameters including trough width and mesa height on the ordering process of cylindrical domains in diblock copolymers thin films is monitored in this study. The quantification of order was achieved by the calculation of an order parameter of the hexagonally packed cylinders. These results demonstrate that graphoepitaxy is an effective method to induce long-range order in cylindrical domain diblock copolymer systems. An increase in order was observed in samples prepared on the mesas and in troughs of widths up to 20 Ion, and mesa heights greater than 1.0 but less than 5.0 L The role of molecular weight on the kinetics of the ordering process of cylindrical domains in diblock copolymers thin films is also monitored in this study, where ordering is readily observed for lower molecular weight copolymers (number average molecular weight, M-n = 63,000), but not for larger copolymers (M = 230,000). The reduction of the rate of formation of long-range order is attributed to the impeded diffusion of higher molecular weight polymers. These results demonstrate that there will exist upper limits on the molecular weights of diblock copolymers that can be used to create nanoscale templates with long-range order, which also translates to an upper limit in pore size and spacing in these templates. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Fontana, S. M.; Dadmun, M. D.] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA.
[Dadmun, M. D.; Lowndes, D. H.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Dadmun, MD (reprint author), Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA.
EM dad@utk.edu
FU Office of Basic Energy Sciences, Division of Materials Sciences, US
Department of Energy (DOE); Center for Nanophase Materials Sciences; US
DOE [DE-AC05-000R22725]
FX The authors would like to thank P.H. Fleming for her assistance in
sample preparation, T.P Russell and T. Xu for their assistance on
template preparation techniques, and Sudesh Kamath for programming
assistance. This research was supported by the Office of Basic Energy
Sciences, Division of Materials Sciences, US Department of Energy (DOE).
Additional support was provided by the 2004 User-Initiated Nanoscience
Research Program of the Center for Nanophase Materials Sciences. The
research was carried out at ORNL, managed by UT-Battelle, LLC, for the
US DOE under contract No. DE-AC05-000R22725.
NR 32
TC 2
Z9 2
U1 0
U2 2
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0040-6090
J9 THIN SOLID FILMS
JI Thin Solid Films
PD MAR 1
PY 2010
VL 518
IS 10
BP 2783
EP 2792
DI 10.1016/j.tsf.2009.10.161
PG 10
WC Materials Science, Multidisciplinary; Materials Science, Coatings &
Films; Physics, Applied; Physics, Condensed Matter
SC Materials Science; Physics
GA 573NG
UT WOS:000275920000035
ER
PT J
AU Chen, HT
Trewyn, BG
Wiench, JW
Pruski, M
Lin, VSY
AF Chen, Hung-Ting
Trewyn, Brian G.
Wiench, Jerzy W.
Pruski, Marek
Lin, Victor S. -Y.
TI Urea and Thiourea-Functionalized Mesoporous Silica Nanoparticle
Catalysts with Enhanced Catalytic Activity for Diels-Alder Reaction
SO TOPICS IN CATALYSIS
LA English
DT Article
DE Thiourea; Mesoporous silica nanoparticle; Heterogeneous catalysis;
Surface hydrogen bonding; Diels-Alder reaction
ID HYDROGEN-BOND DONORS; MOLECULAR-SIEVES; SINGLE-SITE; BIFUNCTIONAL
ORGANOCATALYSTS; HETEROGENEOUS CATALYSIS; STRUCTURAL STABILITY;
METAL-FREE; ACID; CONDENSATION; PERFORMANCE
AB A series of urea- and thiourea-functionalized mesoporous silica nanoparticles (MSN) was synthesized. These materials exhibited a superior catalytic reactivity for Diels-Alder reaction than their homogeneous analogues. The reactivity enhancement was attributed to the site isolation effect induced by the heterogenization of individual catalytic group. The surface hydrogen bonding between the organic catalysts and silanols also improved the catalytic reactivity.
C1 [Chen, Hung-Ting; Trewyn, Brian G.; Pruski, Marek; Lin, Victor S. -Y.] Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
[Chen, Hung-Ting; Wiench, Jerzy W.; Pruski, Marek; Lin, Victor S. -Y.] Iowa State Univ, US DOE, Ames Lab, Ames, IA 50011 USA.
RP Lin, VSY (reprint author), Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
EM vsylin@iastate.edu
FU U.S. Department of Energy, Office of Basic Energy Sciences
[DE-AC02-07CH11358]
FX The research support is provided by the U.S. Department of Energy,
Office of Basic Energy Sciences, through the Catalysis Science Grant
under Contract No. DE-AC02-07CH11358.
NR 35
TC 24
Z9 24
U1 3
U2 27
PU SPRINGER/PLENUM PUBLISHERS
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1022-5528
J9 TOP CATAL
JI Top. Catal.
PD MAR
PY 2010
VL 53
IS 3-4
BP 187
EP 191
DI 10.1007/s11244-009-9423-x
PG 5
WC Chemistry, Applied; Chemistry, Physical
SC Chemistry
GA 568WZ
UT WOS:000275558000007
ER
PT J
AU Pickett, G
Seagrave, J
Boggs, S
Polzin, G
Richter, P
Tesfaigzi, Y
AF Pickett, Gavin
Seagrave, JeanClare
Boggs, Susan
Polzin, Gregory
Richter, Patricia
Tesfaigzi, Yohannes
TI Effects of 10 Cigarette Smoke Condensates on Primary Human Airway
Epithelial Cells by Comparative Gene and Cytokine Expression Studies
SO TOXICOLOGICAL SCIENCES
LA English
DT Article
DE cigarette smoke condensates; primary human lung epithelial cells; gene
expression; toxicity; cytokine
ID TOBACCO-SPECIFIC NITROSAMINES; BONE MORPHOGENETIC PROTEIN-9; HEME
OXYGENASE-1 GENE; IN-VITRO EXPOSURE; INDUCED EMPHYSEMA; MAINSTREAM
SMOKE; COMMERCIAL CIGARETTES; PULMONARY-EMPHYSEMA; A/J MICE; APOPTOSIS
AB Cigarettes vary in tobacco blend, filter ventilation, additives, and other physical and chemical properties, but little is known regarding potential differences in toxicity to a smoker's airway epithelia. We compared changes in gene expression and cytokine production in primary normal human bronchial epithelial cells following treatment for 18 h with cigarette smoke condensates (CSCs) prepared from five commercial and four research cigarettes, at doses of similar to 4 mu g/ml nicotine. Nine of the CSCs were produced under a standard International Organization for Standardization smoking machine regimen and one was produced by a more intense smoking machine regimen. Isolated messenger RNA (mRNA) was analyzed by microarray hybridization, and media was analyzed for secreted cytokines and chemokines. Twenty-one genes were differentially expressed by at least 9 of the 10 CSCs by more than twofold, including genes encoding detoxifying and antioxidant proteins. Cytochrome P450, family 1, subfamily A, polypeptide 1 (CYP1A1) and NAD(P)H dehydrogenase, quinone 1 (NQO-1) were selected for validation with quantitative real-time PCR (qRT-PCR) and Western blot analyses. NQO-1 expression determined with microarrays, qRT-PCR, and Western blotting differed among the CSC types, with good correlation among the different assays. CYP1A1 mRNA levels varied substantially, but there was little correlation with the protein levels. For each CSC, the three most induced and three most repressed genes were identified. These genes may be useful as markers of exposure to that particular cigarette type. Furthermore, differences in interleukin-8 secretion were observed. These studies lay the foundation for future investigations to analyze differences in the responses of in vivo systems to tobacco products marketed with claims of reduced exposure or reduced harm.
C1 [Seagrave, JeanClare; Tesfaigzi, Yohannes] Lovelace Resp Res Inst, COPD Program, Albuquerque, NM 87108 USA.
[Pickett, Gavin] Univ New Mexico, Sch Med, Ctr Canc, Keck UNM Genom Resource Facil, Albuquerque, NM 87131 USA.
[Boggs, Susan] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Polzin, Gregory] Ctr Dis Control & Prevent, Div Sci Lab, Natl Ctr Environm Hlth, Atlanta, GA 30341 USA.
[Richter, Patricia] Ctr Dis Control & Prevent, Off Smoking & Hlth, Natl Ctr Chron Dis Prevent & Hlth Promot, Atlanta, GA 30341 USA.
RP Seagrave, J (reprint author), Lovelace Resp Res Inst, COPD Program, 2425 Ridgecrest Dr SE, Albuquerque, NM 87108 USA.
EM jseagrav@lrri.org
FU U.S. Centers for Disease Control and Prevention; Flight Attendant
Medical Research Institute [CIA_062442, 042281_CIA]
FX U.S. Centers for Disease Control and Prevention and the Flight Attendant
Medical Research Institute (#CIA_062442 and 042281_CIA).
NR 40
TC 23
Z9 23
U1 2
U2 4
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 1096-6080
J9 TOXICOL SCI
JI Toxicol. Sci.
PD MAR
PY 2010
VL 114
IS 1
BP 79
EP 89
DI 10.1093/toxsci/kfp298
PG 11
WC Toxicology
SC Toxicology
GA 555HN
UT WOS:000274499800009
PM 20015843
ER
PT J
AU Rodriguez, B
Yang, YN
Guliaev, AB
Chenna, A
Hang, B
AF Rodriguez, Ben
Yang, Yanu
Guliaev, Anton B.
Chenna, Ahmed
Hang, Bo
TI Benzene-derived N-2-(4-hydroxyphenyl)-deoxyguanosine adduct: UvrABC
incision and its conformation in DNA
SO TOXICOLOGY LETTERS
LA English
DT Article
DE Benzene; Hydroquinone; p-Benzoquinone; DNA adduct; UvrABC; Nucleotide
excision repair; Adduct conformation; Molecular modeling
ID NUCLEOTIDE EXCISION-REPAIR; HUMAN AP ENDONUCLEASE; MOLECULAR-DYNAMICS
SIMULATIONS; SITE-SPECIFIC INCORPORATION; P-BENZOQUINONE; BREAST-CANCER;
OCCUPATIONAL-EXPOSURE; STRUCTURAL INSIGHTS; MUTATIONAL HOTSPOTS;
EXOCYCLIC ADDUCT
AB Benzene, a ubiquitous human carcinogen, forms DNA adducts through its metabolites such as p-benzoquinone (p-BQ) and hydroquinone (HQ). N-2-(4-Hydroxyphenyl)-2'-deoxyguanosine (N-2-4-HOPh-dG) is the principal adduct identified in vivo by P-32-postlabeling in cells or animals treated with p-BQ or HQ To study its effect on repair specificity and replication fidelity, we recently synthesized defined oligonucleotides containing a site-specific adduct using phosphoramidite chemistry. We here report the repair of this adduct by Escherichia colt UvrABC complex, which performs the initial damage recognition and incision steps in the nucleotide excision repair (NER) pathway. We first showed that the p-BQ-treated plasmid was efficiently cleaved by the complex, indicating the formation of DNA lesions that are substrates for NER. Using a 40-mer substrate, we found that UvrABC incises the DNA strand containing N-2-4-HOPh-dG in a dose- and time-dependent manner. The specificity of such repair was also compared with that of DNA glycosylases and damage-specific endonucleases of E colt, both of which were found to have no detectable activity toward N-2-4-HOPh-dG. To understand why this adduct is specifically recognized and processed by UvrABC, molecular modeling studies were performed. Analysis of molecular dynamics trajectories showed that stable G C-like hydrogen bonding patterns of all three Watson-Crick hydrogen bonds are present within the N-2-4-HOPh-G center dot C base pair, with the hydroxyphenyl ring at an almost planar position In addition, N-2-4-HOPh-dG has a tendency to form more stable stacking interactions than a normal G in B-type DNA. These conformational properties may be critical in differential recognition of this adduct by specific repair enzymes. (C) 2010 Elsevier Ireland Ltd. All rights reserved
C1 [Hang, Bo] Univ Calif Berkeley, Lawrence Berkeley Lab, Dept Canc & DNA Damage Responses, Div Life Sci, Berkeley, CA 94720 USA.
[Rodriguez, Ben; Yang, Yanu; Guliaev, Anton B.] San Francisco State Univ, Dept Chem & Biochem, San Francisco, CA 94132 USA.
[Chenna, Ahmed] Monogram Biosci Inc, San Francisco, CA 94080 USA.
RP Hang, B (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Dept Canc & DNA Damage Responses, Div Life Sci, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
FU NIH [CA72079]; Department of Energy [DE-AC03-76SF00098]; Center for
Computing for Life Sciences; SFSU; Minority Access to Research Careers
National Institutes of Health [MBRS RISE R25-GM59298]
FX This work was supported by the NIH R01 grant CA72079 (to B.H.) and was
administrated by the Lawrence Berkeley National Laboratory under
Department of Energy contract DE-AC03-76SF00098 Support was also
provided by Center for Computing for Life Sciences Mini-grant, SFSU (to
A. G.) and Minority Access to Research Careers National Institutes of
Health Grant MBRS RISE R25-GM59298
NR 49
TC 4
Z9 4
U1 1
U2 5
PU ELSEVIER IRELAND LTD
PI CLARE
PA ELSEVIER HOUSE, BROOKVALE PLAZA, EAST PARK SHANNON, CO, CLARE, 00000,
IRELAND
SN 0378-4274
J9 TOXICOL LETT
JI Toxicol. Lett.
PD MAR 1
PY 2010
VL 193
IS 1
BP 26
EP 32
DI 10.1016/j.toxlet.2009.12.005
PG 7
WC Toxicology
SC Toxicology
GA 569QC
UT WOS:000275611900005
PM 20006688
ER
PT J
AU Oldenburg, CM
AF Oldenburg, Curtis M.
TI Transport in Geologic CO2 Storage Systems
SO TRANSPORT IN POROUS MEDIA
LA English
DT Editorial Material
C1 Lawrence Berkeley Natl Lab, Berkeley, CA USA.
RP Oldenburg, CM (reprint author), Lawrence Berkeley Natl Lab, Berkeley, CA USA.
EM cmoldenburg@lbl.gov
RI Oldenburg, Curtis/L-6219-2013
OI Oldenburg, Curtis/0000-0002-0132-6016
NR 0
TC 1
Z9 1
U1 0
U2 1
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0169-3913
J9 TRANSPORT POROUS MED
JI Transp. Porous Media
PD MAR
PY 2010
VL 82
IS 1
SI SI
BP 1
EP 2
DI 10.1007/s11242-009-9526-7
PG 2
WC Engineering, Chemical
SC Engineering
GA 555XQ
UT WOS:000274550500001
ER
PT J
AU Doughty, C
AF Doughty, Christine
TI Investigation of CO2 Plume Behavior for a Large-Scale Pilot Test of
Geologic Carbon Storage in a Saline Formation
SO TRANSPORT IN POROUS MEDIA
LA English
DT Article
DE Geologic carbon storage; CO2 sequestration; Multiphase flow modeling;
CO2 trapping mechanisms; Plume stabilization
ID REACTIVE GEOCHEMICAL TRANSPORT; RELATIVE PERMEABILITY; AQUIFER DISPOSAL;
SEQUESTRATION; DIOXIDE; SIMULATION
AB The hydrodynamic behavior of carbon dioxide (CO2) injected into a deep saline formation is investigated, focusing on trapping mechanisms that lead to CO2 plume stabilization. A numerical model of the subsurface at a proposed power plant with CO2 capture is developed to simulate a planned pilot test, in which 1,000,000 metric tons of CO2 is injected over a 4-year period, and the subsequent evolution of the CO2 plume for hundreds of years. Key measures are plume migration distance and the time evolution of the partitioning of CO2 between dissolved, immobile free-phase, and mobile free-phase forms. Model results indicate that the injected CO2 plume is effectively immobilized at 25 years. At that time, 38% of the CO2 is in dissolved form, 59% is immobile free phase, and 3% is mobile free phase. The plume footprint is roughly elliptical, and extends much farther up-dip of the injection well than down-dip. The pressure increase extends far beyond the plume footprint, but the pressure response decreases rapidly with distance from the injection well, and decays rapidly in time once injection ceases. Sensitivity studies that were carried out to investigate the effect of poorly constrained model parameters permeability, permeability anisotropy, and residual CO2 saturation indicate that small changes in properties can have a large impact on plume evolution, causing significant trade-offs between different trapping mechanisms.
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Doughty, C (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
EM cadoughty@lbl.gov
RI Doughty, Christine/G-2389-2015
FU WESTCARB; Clean Coal Fuels; National Energy Technology Laboratory
(NETL); Lawrence Berkeley National Laboratory; U.S. Department of Energy
[DE-AC02-05CH11231]
FX Thanks are due to Jeff Wagoner of Lawrence Livermore National Laboratory
for providing the geological and facies models of the Kimberlina site,
to Preston Jordan for additional information on faulting, and to Larry
Myer and Curt Oldenburg for insightful discussions. The careful review
of this article by Kenzi Karasaki and two anonymous reviewers is
appreciated. This study was supported in part by WESTCARB through the
Assistant Secretary for Fossil Energy, Office of Sequestration,
Hydrogen, and Clean Coal Fuels, National Energy Technology Laboratory
(NETL), and by Lawrence Berkeley National Laboratory under U.S.
Department of Energy Contract No. DE-AC02-05CH11231.
NR 20
TC 50
Z9 52
U1 0
U2 17
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0169-3913
J9 TRANSPORT POROUS MED
JI Transp. Porous Media
PD MAR
PY 2010
VL 82
IS 1
SI SI
BP 49
EP 76
DI 10.1007/s11242-009-9396-z
PG 28
WC Engineering, Chemical
SC Engineering
GA 555XQ
UT WOS:000274550500005
ER
PT J
AU Oldenburg, CM
Lewicki, JL
Dobeck, L
Spangler, L
AF Oldenburg, Curtis M.
Lewicki, Jennifer L.
Dobeck, Laura
Spangler, Lee
TI Modeling Gas Transport in the Shallow Subsurface During the ZERT CO2
Release Test
SO TRANSPORT IN POROUS MEDIA
LA English
DT Article
DE Geologic carbon sequestration; Monitoring; Detection; Leakage; Seepage;
Vadose zone; Carbon dioxide flow and transport
ID FLOW; DISPERSION; SEEPAGE; LEAKAGE; SITES
AB We used the multiphase and multicomponent TOUGH2/EOS7CA model to carry out predictive simulations of CO2 injection into the shallow subsurface of an agricultural field in Bozeman, Montana. The purpose of the simulations was to inform the choice of CO2 injection rate and design of monitoring and detection activities for a CO2 release experiment. The release experiment configuration consists of a long horizontal well (70 m) installed at a depth of approximately 2.5 m into which CO2 is injected to mimic leakage from a geologic carbon sequestration site through a linear feature such as a fault. We estimated the permeability of the soil and cobble layers present at the site by manual inversion of measurements of soil CO2 flux from a vertical-well CO2 release. Based on these estimated permeability values, predictive simulations for the horizontal well showed that CO2 injection just below the water table creates an effective gas-flow pathway through the saturated zone up to the unsaturated zone. Once in the unsaturated zone, CO2 spreads out laterally within the cobble layer, where liquid saturation is relatively low. CO2 also migrates upward into the soil layer through the capillary barrier and seeps out at the ground surface. The simulations predicted a breakthrough time of approximately two days for the 100kg d(-1) injection rate, which also produced a flux within the range desired for testing detection and monitoring approaches. The seepage area produced by the model was approximately five meters wide above the horizontal well, compatible with the detection and monitoring methods tested. For a given flow rate, gas-phase diffusion of CO2 tends to dominate over advection near the ground surface, where the CO2 concentration gradient is large, while advection dominates deeper in the system.
C1 [Oldenburg, Curtis M.; Lewicki, Jennifer L.] Univ Calif Berkeley, Lawrence Berkeley Lab, Earth Sci Div 90 1116, Berkeley, CA 94720 USA.
[Dobeck, Laura; Spangler, Lee] Montana State Univ, Dept Chem, Bozeman, MT 59717 USA.
RP Oldenburg, CM (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Earth Sci Div 90 1116, Berkeley, CA 94720 USA.
EM cmoldenburg@lbl.gov
RI Oldenburg, Curtis/L-6219-2013;
OI Oldenburg, Curtis/0000-0002-0132-6016; Spangler, Lee/0000-0002-3870-6696
FU U.S. Department of Energy [DE-AC02-05CH11231]
FX We thank the entire ZERT team for an exciting and supportive research
environment. Quanlin Zhou (LBNL) provided helpful internal review
comments, as did two anonymous reviewers. This work was carried out in
the ZERT project funded by the Assistant Secretary for Fossil Energy,
Office of Sequestration, Hydrogen, and Clean Coal Fuels, through the
National Energy Technology Laboratory, U.S. Department of Energy under
Contract No. DE-AC02-05CH11231.
NR 22
TC 26
Z9 28
U1 1
U2 21
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0169-3913
J9 TRANSPORT POROUS MED
JI Transp. Porous Media
PD MAR
PY 2010
VL 82
IS 1
SI SI
BP 77
EP 92
DI 10.1007/s11242-009-9361-x
PG 16
WC Engineering, Chemical
SC Engineering
GA 555XQ
UT WOS:000274550500006
ER
PT J
AU Kneafsey, TJ
Pruess, K
AF Kneafsey, Timothy J.
Pruess, Karsten
TI Laboratory Flow Experiments for Visualizing Carbon Dioxide-Induced,
Density-Driven Brine Convection
SO TRANSPORT IN POROUS MEDIA
LA English
DT Article
DE Carbon sequestration; Density-driven convection; Induction time
ID NATURAL-CONVECTION; SALINE AQUIFERS; CO2 INJECTION; POROUS-MEDIA;
STORAGE
AB Injection of carbon dioxide (CO(2)) into saline aquifers confined by low- permeability cap rock will result in a layer of CO(2) overlying the brine. Dissolution of CO(2) into the brine increases the brine density, resulting in an unstable situation in which more-dense brine overlies less-dense brine. This gravitational instability could give rise to density-driven convection of the fluid, which is a favorable process of practical interest for CO(2) storage security because it accelerates the transfer of buoyant CO(2) into the aqueous phase, where it is no longer subject to an upward buoyant drive. Laboratory flow visualization tests in transparent Hele-Shaw cells have been performed to elucidate the processes and rates of this CO(2) solute-driven convection (CSC). Upon introduction of CO(2) into the system, a layer of CO(2)-laden brine forms at the CO(2)-water interface. Subsequently, small convective fingers form, which coalesce, broaden, and penetrate into the test cell. Images and time-series data of finger lengths and wavelengths are presented. Observed CO(2) uptake of the convection system indicates that the CO(2) dissolution rate is approximately constant for each test and is far greater than expected for a diffusion-only scenario. Numerical simulations of our system show good agreement with the experiments for onset time of convection and advancement of convective fingers. There are differences as well, the most prominent being the absence of cell-scale convection in the numerical simulations. This cell-scale convection observed in the experiments may be an artifact of a small temperature gradient induced by the cell illumination.
C1 [Kneafsey, Timothy J.; Pruess, Karsten] Lawrence Berkeley Natl Lab, Berkeley, CA USA.
RP Kneafsey, TJ (reprint author), Lawrence Berkeley Natl Lab, Berkeley, CA USA.
EM TJKneafsey@lbl.gov
RI Kneafsey, Timothy/H-7412-2014
OI Kneafsey, Timothy/0000-0002-3926-8587
FU U.S. Department of Energy [DE-AC02-05CH11231.]
FX We are grateful to Carrie Tse who helped in the setup and analysis of
the experiments, and to Jil Geller, Dan Hawkes, and two anonymous
reviewers for helpful comments in reviewing this manuscript. This study
was supported by the Director, Office of Science, Office of Basic Energy
Sciences, Division of Chemical Sciences, Geosciences, and Biosciences,
of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231.
NR 20
TC 95
Z9 96
U1 1
U2 19
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0169-3913
J9 TRANSPORT POROUS MED
JI Transp. Porous Media
PD MAR
PY 2010
VL 82
IS 1
SI SI
BP 123
EP 139
DI 10.1007/s11242-009-9482-2
PG 17
WC Engineering, Chemical
SC Engineering
GA 555XQ
UT WOS:000274550500009
ER
PT J
AU Liu, HH
Rutqvist, J
AF Liu, Hui-Hai
Rutqvist, Jonny
TI A New Coal-Permeability Model: Internal Swelling Stress and
Fracture-Matrix Interaction
SO TRANSPORT IN POROUS MEDIA
LA English
DT Article
DE CO(2) geological sequestration; Coal permeability; Enhanced coalbed
methane recovery; Rock mechanics
ID ONSAGERS RECIPROCITY RELATIONS; CHEMO-MECHANICAL PHENOMENA; EXPANSIVE
CLAYS; DOUBLE-POROSITY; 2-SCALE MODEL; ROCK; VALIDATION; SIMULATION;
BEHAVIOR; MEDIA
AB We have developed a new coal-permeability model for uniaxial strain and constant confining-stress conditions. The model is unique in that it explicitly considers fracture-matrix interaction during coal-deformation processes and is based on a newly proposed internal swelling stress concept. This concept is used to account for the impact of matrix swelling (or shrinkage) on fracture-aperture changes resulting from partial separation of matrix blocks by fractures that do not completely cut through the whole matrix. The proposed permeability model is evaluated using data from three Valencia Canyon coalbed wells in the San Juan Basin, where increased permeability has been observed during CH(4) gas production, as well as using published data from laboratory tests. Model results are generally in good agreement with observed permeability changes. The importance of fracture-matrix interaction in determining coal permeability, demonstrated in this study using relatively simple stress conditions, underscores the need for a dual-continuum (fracture and matrix) mechanical approach to rigorously capture coal-deformation processes under complex stress conditions, as well as the coupled flow and transport processes in coal seams.
C1 [Liu, Hui-Hai; Rutqvist, Jonny] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Liu, HH (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
EM hhliu@lbl.gov
RI Rutqvist, Jonny/F-4957-2015
OI Rutqvist, Jonny/0000-0002-7949-9785
FU U.S. Department of Energy (DOE) [DE-AC02-05CH11231]
FX We are indebted to Teamrat A. Ghezzehei at Lawrence Berkeley National
Laboratory for his critical and careful reviewof a preliminary version
of this manuscript. Helpful comments of two referees are also gratefully
acknowledged. This study was supported by the U.S. Department of Energy
(DOE) under DOE Contract No. DE-AC02-05CH11231.
NR 33
TC 97
Z9 107
U1 7
U2 47
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0169-3913
J9 TRANSPORT POROUS MED
JI Transp. Porous Media
PD MAR
PY 2010
VL 82
IS 1
SI SI
BP 157
EP 171
DI 10.1007/s11242-009-9442-x
PG 15
WC Engineering, Chemical
SC Engineering
GA 555XQ
UT WOS:000274550500011
ER
PT J
AU Spycher, N
Pruess, K
AF Spycher, Nicolas
Pruess, Karsten
TI A Phase-Partitioning Model for CO2-Brine Mixtures at Elevated
Temperatures and Pressures: Application to CO2-Enhanced Geothermal
Systems
SO TRANSPORT IN POROUS MEDIA
LA English
DT Article
DE CO2; Carbon dioxide; Solubility; Phase partitioning; Mutual solubility;
Enhanced Geothermal System; EGS; Brine; Water Flow; Multiphase Flow
ID PLUS CARBON-DIOXIDE; GEOLOGICAL SEQUESTRATION; CO2 SEQUESTRATION;
LIQUID-EQUILIBRIUM; AQUEOUS-SOLUTIONS; CO2-H2O MIXTURES; SALINE
AQUIFERS; SODIUM-CHLORIDE; SOLUBILITY DATA; WORKING FLUID
AB Correlations are presented to compute the mutual solubilities of CO2 and chloride brines at temperatures 12-300A degrees C, pressures 1-600 bar (0.1-60 MPa), and salinities 0-6 m NaCl. The formulation is computationally efficient and primarily intended for numerical simulations of CO2-water flow in carbon sequestration and geothermal studies. The phase-partitioning model relies on experimental data from literature for phase partitioning between CO2 and NaCl brines, and extends the previously published correlations to higher temperatures. The model relies on activity coefficients for the H2O-rich (aqueous) phase and fugacity coefficients for the CO2-rich phase. Activity coefficients are treated using a Margules expression for CO2 in pure water, and a Pitzer expression for salting-out effects. Fugacity coefficients are computed using a modified Redlich-Kwong equation of state and mixing rules that incorporate asymmetric binary interaction parameters. Parameters for the calculation of activity and fugacity coefficients were fitted to published solubility data over the P-T range of interest. In doing so, mutual solubilities and gas-phase volumetric data are typically reproduced within the scatter of the available data. An example of multiphase flow simulation implementing the mutual solubility model is presented for the case of a hypothetical, enhanced geothermal system where CO2 is used as the heat extraction fluid. In this simulation, dry supercritical CO2 at 20A degrees C is injected into a 200A degrees C hot-water reservoir. Results show that the injected CO2 displaces the formation water relatively quickly, but that the produced CO2 contains significant water for long periods of time. The amount of water in the CO2 could have implications for reactivity with reservoir rocks and engineered materials.
C1 [Spycher, Nicolas; Pruess, Karsten] Lawrence Berkeley Natl Lab, Berkeley, CA USA.
RP Spycher, N (reprint author), Lawrence Berkeley Natl Lab, MS 90-1116,1 Cyclotron Rd, Berkeley, CA USA.
EM NSpycher@lbl.gov
RI Spycher, Nicolas/E-6899-2010
NR 69
TC 76
Z9 82
U1 8
U2 60
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0169-3913
J9 TRANSPORT POROUS MED
JI Transp. Porous Media
PD MAR
PY 2010
VL 82
IS 1
SI SI
BP 173
EP 196
DI 10.1007/s11242-009-9425-y
PG 24
WC Engineering, Chemical
SC Engineering
GA 555XQ
UT WOS:000274550500012
ER
PT J
AU Kang, QJ
Lichtner, PC
Viswanathan, HS
Abdel-Fattah, AI
AF Kang, Qinjun
Lichtner, Peter C.
Viswanathan, Hari S.
Abdel-Fattah, Amr I.
TI Pore Scale Modeling of Reactive Transport Involved in Geologic CO2
Sequestration
SO TRANSPORT IN POROUS MEDIA
LA English
DT Article
DE Geologic CO2 sequestration; Pore scale modeling; Lattice Boltzmann
method; Reactive transport
ID POROUS-MEDIA; CHEMICAL-REACTIONS; MASS-TRANSPORT; DISSOLUTION;
PRECIPITATION; DEPOSITION; FRACTURES; FLUID; RATES; FLOW
AB We apply a multi-component reactive transport lattice Boltzmann model developed in previous studies for modeling the injection of a CO2-saturated brine into various porous media structures at temperatures T = 25 and 80 degrees C. In the various cases considered the porous medium consists initially of calcite with varying grain size and shape. A chemical system consisting of Na+, Ca2+, Mg2+, H+, CO degrees 2 (aq), and Cl is considered. Flow and transport by advection and diffusion of aqueous species, combined with homogeneous reactions occurring in the bulk fluid, as well as the dissolution of calcite and precipitation of dolomite are simulated at the pore scale. The effects of the structure of the porous media on reactive transport are investigated. The results are compared with a continuum-scale model and the discrepancies between the pore- and continuum-scale models are discussed. This study sheds some light on the fundamental physics occurring at the pore scale for reactive transport involved in geologic CO2 sequestration.
C1 [Kang, Qinjun; Lichtner, Peter C.; Viswanathan, Hari S.] Los Alamos Natl Lab, Computat Earth Sci Grp EES 16, Los Alamos, NM 87545 USA.
[Abdel-Fattah, Amr I.] Los Alamos Natl Lab, Earth Syst Observat Grp EES 14, Los Alamos, NM USA.
RP Kang, QJ (reprint author), Los Alamos Natl Lab, Computat Earth Sci Grp EES 16, Los Alamos, NM 87545 USA.
EM qkang@lanl.gov
RI Kang, Qinjun/A-2585-2010
OI Kang, Qinjun/0000-0002-4754-2240
FU National Science Foundation [CHE-0431328]; U.S. Department of Energy,
Biological and Environmental Research (BER; Los Alamos National
Laboratory [20070267ER]
FX This article is based on research project supported by the National
Science Foundation under Grant No. CHE-0431328 and the U.S. Department
of Energy, Biological and Environmental Research (BER), by LDRD project
20070267ER sponsored by Los Alamos National Laboratory, and by the U. S.
Department of Energy through the Zero Emission Research and Technology
project.
NR 31
TC 63
Z9 64
U1 4
U2 39
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0169-3913
J9 TRANSPORT POROUS MED
JI Transp. Porous Media
PD MAR
PY 2010
VL 82
IS 1
SI SI
BP 197
EP 213
DI 10.1007/s11242-009-9443-9
PG 17
WC Engineering, Chemical
SC Engineering
GA 555XQ
UT WOS:000274550500013
ER
PT J
AU Apps, JA
Zheng, L
Zhang, Y
Xu, T
Birkholzer, JT
AF Apps, J. A.
Zheng, L.
Zhang, Y.
Xu, T.
Birkholzer, J. T.
TI Evaluation of Potential Changes in Groundwater Quality in Response to
CO2 Leakage from Deep Geologic Storage
SO TRANSPORT IN POROUS MEDIA
LA English
DT Article
DE CO2 leakage; Groundwater contamination; Hazardous trace elements
ID NATURAL-WATERS; ESTUARINE SEDIMENTS; MADISON AQUIFER; SULFIDIC WATERS;
REDOX REACTIONS; METAL SULFIDES; ADSORPTION; SURFACE; COMPLEXATION;
CADMIUM
AB Concern has been expressed that carbon dioxide (CO2) leaking from deep geological storage could adversely impact water quality in overlying potable aquifers by mobilizing hazardous trace elements. In this article, we present a systematic evaluation of the possible water quality changes in response to CO2 intrusion into aquifers currently used as sources of potable water in the United States. The evaluation was done in three parts. First, we developed a comprehensive geochemical model of aquifers throughout the United States, evaluating the initial aqueous abundances, distributions, and modes of occurrence of selected hazardous trace elements in a large number of potable groundwater quality analyses from the National Water Information System (NWIS) database. For each analysis, we calculated the saturation indices (SIs) of several minerals containing these trace elements. The minerals were initially selected through literature surveys to establish whether field evidence supported their postulated presence in potable water aquifers. Mineral assemblages meeting the criterion of thermodynamic saturation were assumed to control the aqueous concentrations of the hazardous elements at initial system state as well as at elevated CO2 concentrations caused by the ingress of leaking CO2. In the second step, to determine those hazardous trace elements of greatest concern in the case of CO2 leakage, we conducted thermodynamic calculations to predict the impact of increasing CO2 partial pressures on the solubilities of the identified trace element mineral hosts. Under reducing conditions characteristic of many groundwaters, the trace elements of greatest concern are arsenic (As) and lead (Pb). In the final step, a series of reactive-transport simulations was performed to investigate the chemical evolution of aqueous As and Pb after the intrusion of CO2 from a storage reservoir into a shallow confined groundwater resource. Results from the reactive-transport model suggest that a significant increase of aqueous As and Pb concentrations may occur in response to CO2 intrusion, but that the maximum concentration values remain below or close to specified maximum contaminant levels (MCLs). Adsorption/desorption from mineral surfaces may strongly impact the mobilization of As and Pb.
C1 [Apps, J. A.; Zheng, L.; Zhang, Y.; Xu, T.; Birkholzer, J. T.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Birkholzer, JT (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, 1 Cyclotron Rd,MS 90-1116, Berkeley, CA 94720 USA.
EM jtbirkholzer@lbl.gov
RI zheng, liange/B-9748-2011; Birkholzer, Jens/C-6783-2011; Zheng,
Liange/E-9521-2010; Zhang, Yingqi/D-1203-2015
OI zheng, liange/0000-0002-9376-2535; Birkholzer, Jens/0000-0002-7989-1912;
NR 68
TC 95
Z9 101
U1 1
U2 47
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0169-3913
J9 TRANSPORT POROUS MED
JI Transp. Porous Media
PD MAR
PY 2010
VL 82
IS 1
SI SI
BP 215
EP 246
DI 10.1007/s11242-009-9509-8
PG 32
WC Engineering, Chemical
SC Engineering
GA 555XQ
UT WOS:000274550500014
ER
PT J
AU Taheri, ML
Sebastian, JT
Reed, BW
Seidman, DN
Rollett, AD
AF Taheri, Mitra L.
Sebastian, Jason T.
Reed, Bryan W.
Seidman, David N.
Rollett, Anthony D.
TI Site-specific atomic scale analysis of solute segregation to a
coincidence site lattice grain boundary
SO ULTRAMICROSCOPY
LA English
DT Article
DE Grain boundary segregation; TEM; Atom probe; EBSD; FIB
ID FIELD-ION-MICROSCOPE; INTERNAL INTERFACES; PROBE; ALUMINUM; ALLOYS;
RECRYSTALLIZATION; SIMULATIONS; RESOLUTION; MIGRATION; MOBILITY
AB A site-specific method for measuring solute segregation at grain boundaries in an Aluminum alloy is presented. A Sigma 7(Sigma 7=38 degrees<1 1 1 >) grain boundary (GB) in an aluminum alloy (Zr, Cu as main alloying elements) was evaluated using site-specific Local Electrode Atom Probe (LEAP). A sample containing a Sigma 7 GB was prepared by combining electron backscatter diffraction (EBSD) and focused ion beam (FIB) milling to locate the GB of interest and extract a specimen. Its composition was determined by LEAP, and compared to a general high angle GB (HAGB). Zr was the only alloying element present in the Sigma 7 GB, whereas the general HAGB contained both Cu and Zr. This site-specific LEAP method was found to be an accurate method for measuring GB segregation at specific GB misorientations. The method has advantages over other methods of measuring chemistry at GBs, such as spectroscopy, in that GB structure can be assessed in three dimensions. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Taheri, Mitra L.] Drexel Univ, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA.
[Sebastian, Jason T.] QuesTek Innovat LLC, Evanston, IL 60201 USA.
[Sebastian, Jason T.; Seidman, David N.] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60201 USA.
[Reed, Bryan W.] Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA 94550 USA.
[Rollett, Anthony D.] Carnegie Mellon Univ, Dept Mat Sci & Engn, Pittsburgh, PA 15213 USA.
RP Taheri, ML (reprint author), Drexel Univ, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA.
EM mtaheri@coe.drexel.edu
RI Seidman, David/B-6697-2009; Rollett, Anthony/A-4096-2012; Felfer,
Peter/H-6024-2011; Taheri, Mitra/F-1321-2011; Reed, Bryan/C-6442-2013
OI Rollett, Anthony/0000-0003-4445-2191;
FU Alcoa Technical Center; Commonwealth of Pennsylvania; National Science
Foundation [DMR-0520425]; National Center for Electron Microscopy,
Lawrence Berkeley Lab; US Department of Energy [DE-AC02-05CH11231]; US
Department of Energy; Lawrence Livermore National Laboratory; Office of
Science, Office of Basic Energy Sciences, Division of Materials Sciences
and Engineering, of the US Department of Energy [DE-AC52-07NA27344]
FX MT thanks Andrew Minor of Lawrence Berkeley National Laboratory, and
Henk Colijn and Robert Williams of Ohio State University for training
and useful discussions concerning conical FIB sample preparation. MT
also thanks Keith Knipling, Chantal Sudbrack and Dieter Ishiem of
Northwestern University for training on the LEAP Instrument. Lastly, MT
thanks Eric Stach of Purdue University for technical guidance with in
situ TEM imaging. This research was supported in part by the Alcoa
Technical Center, in part by the Commonwealth of Pennsylvania, and in
part by the MRSEC program of the National Science Foundation under Award
no. DMR-0520425. The authors thank Hasso Weiland of the Alcoa Technical
Center for numerous discussions and supply of materials. Support is
acknowledged of the National Center for Electron Microscopy, Lawrence
Berkeley Lab, which is supported by the US Department of Energy under
Contract no. DE-AC02-05CH11231. Portions of this work were performed
under the auspices of the US Department of Energy by Lawrence Livermore
National Laboratory and supported by the Office of Science, Office of
Basic Energy Sciences, Division of Materials Sciences and Engineering,
of the US Department of Energy under Contract DE-AC52-07NA27344.
NR 42
TC 14
Z9 14
U1 0
U2 15
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0304-3991
J9 ULTRAMICROSCOPY
JI Ultramicroscopy
PD MAR
PY 2010
VL 110
IS 4
BP 278
EP 284
DI 10.1016/j.ultramic.2009.11.006
PG 7
WC Microscopy
SC Microscopy
GA 578JS
UT WOS:000276290200002
PM 20097006
ER
PT J
AU Clark, WW
Isherwood, W
AF Clark, Woodrow W., II
Isherwood, William
TI Inner Mongolia must "leapfrog" the energy mistakes of the western
developed nations
SO UTILITIES POLICY
LA English
DT Article
DE Renewable energy; Leapfrog; Economic and sustainable development
AB The purpose of the Asian Development Bank Report was to investigate and study the energy infrastructure development of western industrialized nations along with their impact on the environment. Then there could be an analysis of how IMAR could "leapfrog" or jump over the mistakes of the west and create an energy infrastructure for itself and China. The report reflects and summarizes this historical energy infrastructure development over the 20th Century. The five countries were the UK, Germany, S. Africa, USA and Australia.
The foreign energy advisors felt that there were two additional elements that needed to be included. First was the fact that the USA as a whole was different than its regions or states, particularly California. So the nation-state of California was added. Secondly, the western nations of Germany and S. Africa in particular, had carefully considered some advanced coal technologies that were "cleaner" than the traditional and conventional approaches to mining. Both nations developed these "clean coal" technologies that are now being used more and more today in other developed nations like the USA. If IMAR was to retain much of its coal production and reduce it over time, then it had to install these technologies now to reduce global warming and reverse the climate change caused by current coal mining. (C) 2009 Published by Elsevier Ltd.
C1 [Clark, Woodrow W., II] Clark Strateg Partners, Beverly Hills, CA 90210 USA.
[Isherwood, William] Tibetan Res Inst, Mongolia, WA USA.
[Isherwood, William] Tibetan Res Inst, Seattle, WA USA.
[Isherwood, William] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Clark, WW (reprint author), Clark Strateg Partners, POB 17975, Beverly Hills, CA 90210 USA.
EM wwclark13@gmail.com
NR 25
TC 1
Z9 1
U1 1
U2 4
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0957-1787
EI 1878-4356
J9 UTIL POLICY
JI Util. Policy
PD MAR
PY 2010
VL 18
IS 1
BP 29
EP 45
DI 10.1016/j.jup.2007.07.005
PG 17
WC Energy & Fuels; Environmental Sciences; Environmental Studies
SC Energy & Fuels; Environmental Sciences & Ecology
GA 752RI
UT WOS:000289710000005
ER
PT J
AU Gloster, J
Jones, A
Redington, A
Burgin, L
Sorensen, JH
Turner, R
Dillon, M
Hullinger, P
Simpson, M
Astrup, P
Garner, G
Stewart, P
D'Amours, R
Sellers, R
Paton, D
AF Gloster, John
Jones, Andrew
Redington, Alison
Burgin, Laura
Sorensen, Jens H.
Turner, Richard
Dillon, Michael
Hullinger, Pam
Simpson, Matthew
Astrup, Poul
Garner, Graeme
Stewart, Paul
D'Amours, Real
Sellers, Robert
Paton, David
TI Airborne spread of foot-and-mouth disease - Model intercomparison
SO VETERINARY JOURNAL
LA English
DT Article
DE Foot-and-mouth disease; Airborne disease transmission; Modelling
ID WIND-BORNE SPREAD; ATMOSPHERIC DISPERSION; INFECTED PREMISES; VIRUS;
EPIDEMIC; RISK
AB Foot-and-mouth disease virus (FMDV) spreads by direct contact between animals, by animal products (milk, meat and semen), by mechanical transfer on people or fomites and by the airborne route, with the relative importance of each mechanism depending on the particular outbreak characteristics. Atmospheric dispersion models have been developed to assess airborne spread of FMDV in a number of countries, including the UK, Denmark, Australia, New Zealand, USA and Canada. These models were compared at a Workshop hosted by the Institute for Animal Health/Met Office in 2008. Each modeller was provided with data relating to the 1967 outbreak of FMD in Hampshire, UK, and asked to predict the spread of FMDV by the airborne route.
A number of key issues emerged from the Workshop and subsequent modelling work: (1) in general all models predicted similar directions for livestock at risk, with much of the remaining differences strongly related to differences in the meteorological data used; (2) determination of an accurate sequence of events on the infected premises is highly important, especially if the meteorological conditions vary substantially during the virus emission period; (3) differences in assumptions made about virus release, environmental fate and susceptibility to airborne infection can substantially modify the size and location of the downwind risk area. All of the atmospheric dispersion models compared at the Workshop can be used to assess windborne spread of FMDV and provide scientific advice to those responsible for making control and eradication decisions in the event of an outbreak of disease. Crown Copyright (C) 2008 Published by Elsevier Ltd. All rights reserved.
C1 [Gloster, John] Met Off, Woking GU24 0NF, Surrey, England.
[Jones, Andrew; Redington, Alison; Burgin, Laura] Met Off, Exeter EX1 3PB, Devon, England.
[Sorensen, Jens H.] DMI, DK-2100 Copenhagen, Denmark.
[Turner, Richard] NIWA, Wellington, New Zealand.
[Dillon, Michael; Hullinger, Pam; Simpson, Matthew] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
[Astrup, Poul] Tech Univ Denmark, Riso Natl Lab, DK-4000 Roskilde, Denmark.
[Garner, Graeme] Dept Agr Fisheries & Forestry, Canberra, ACT 2601, Australia.
[Stewart, Paul] Bur Meteorol, Natl Meteorol & Oceanog Ctr, Melbourne, Vic 3001, Australia.
[D'Amours, Real] Environm Canada, Canadian Meteorol Ctr, Quebec City, PQ H9P 1J3, Canada.
[Paton, David] AFRC, Inst Anim Hlth, Pirbright Lab, Woking GU24 0NF, Surrey, England.
RP Gloster, J (reprint author), Met Off, Woking GU24 0NF, Surrey, England.
EM john.gloster@bbsrc.ac.uk
RI Burgin, Laura/I-4724-2012
OI Burgin, Laura/0000-0003-1247-9971
FU DEFRA [SE4025]; Biosecurity New Zealand; Royal Society of New Zealand
FX The authors readily acknowledge the contributions made to the
intercomparison by Leonard Mansley, Torbert Mikklesen, Alistair Manning
and David Schley. Thanks are also given to DEFRA for funding project
SE4025. Richard Turner wishes to thank Graham Mackereth of Biosecurity
New Zealand, who provided a virus emission profile for PDEMS, and to the
Royal Society of New Zealand, who provided financial support to attend
the intercomparison meeting through the International Science and
Technology Linkages fund. Graeme Garner wishes to acknowledge the
contributions of Dale Hess of CSIRO Marine and Atmospheric Research and
Xue Yang from the Bureau of Meteorology. Pam Hullinger, Michael Dillon
and Matthew Simpson would like to express their gratitude to Mrs.
Fernando Aluzzi and Robert Shectman for their assistance with the
meteorological data, Drs. Michael Bradley, John Nasstrom, and Kevin
Foster for their helpful review, and Drs. Bill Colston, Global Security
Directorate Chem/Bio Division Leader, and Tom Bates, Threat Awareness
Program Leader, for supporting this effort.
NR 37
TC 25
Z9 26
U1 4
U2 20
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 1090-0233
J9 VET J
JI Vet. J.
PD MAR
PY 2010
VL 183
IS 3
BP 278
EP 286
DI 10.1016/j.tvjl.2008.11.011
PG 9
WC Veterinary Sciences
SC Veterinary Sciences
GA 569RD
UT WOS:000275615700010
PM 19138867
ER
PT J
AU Walker, CA
Trowbridge, FR
Wagner, AR
AF Walker, C. A.
Trowbridge, F. R.
Wagner, A. R.
TI Direct Brazing of Sapphire to Niobium
SO WELDING JOURNAL
LA English
DT Editorial Material
ID METAL
C1 [Walker, C. A.; Trowbridge, F. R.; Wagner, A. R.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Walker, CA (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM cawalke@sandia.gov
NR 15
TC 2
Z9 2
U1 1
U2 4
PU AMER WELDING SOC
PI MIAMI
PA 550 N W LEJEUNE RD, MIAMI, FL 33126 USA
SN 0043-2296
J9 WELD J
JI Weld. J.
PD MAR
PY 2010
VL 89
IS 3
BP 50
EP 55
PG 6
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA 566FH
UT WOS:000275355000014
ER
PT J
AU Johnson, SJ
Baker, JP
van Dam, CP
Berg, D
AF Johnson, Scott J.
Baker, Jonathon P.
van Dam, C. P.
Berg, Dale
TI An overview of active load control techniques for wind turbines with an
emphasis on microtabs
SO WIND ENERGY
LA English
DT Article
DE wind turbine; active load control; smart blade; trailing-edge flaps;
plasma actuators; vortex generator jets; microtabs; blade loads
ID FLOW SEPARATION CONTROL; AIRFOILS; PERFORMANCE; ACTUATORS; DESIGN;
BLADES; SYSTEM; JETS
AB This paper outlines the benefits and challenges of utilizing active flow control (AFC) for wind turbines. The goal of AFC is to mitigate damaging loads and control the aeroelastic response of wind turbine blades. This can be accomplished by sensing changes in turbine operation and activating devices to adjust the sectional lift coefficient and/or local angle of attack. Fifteen AFC devices are introduced, and four are described in more detail. Non-traditional trailing-edge flaps, plasma actuators, vortex generator jets and microtabs are examples of devices that hold promise for wind turbine control. The microtab system is discussed in further detail including recent experimental results demonstrating its effectiveness in a three-dimensional environment. Wind tunnel tests indicated that a nearly constant change in C-L, over a wide range of angles of attack is possible with microtab control. Using an angle of attack of 5 degrees as a reference, microtabs with a height of 1.5%c were capable of increasing CL by +0.21 (37%) and decreasing CL by -0.23 (-40%). The results are consistent with findings from past two-dimensional experiments and numerical efforts. Through comparisons to other load control studies, the controllable range of this micro-tab system is determined to be suitable for smart blade applications. Copyright (C) 2009 John Wiley & Sons, Ltd.
C1 [Johnson, Scott J.; Baker, Jonathon P.; van Dam, C. P.] Univ Calif Davis, Dept Mech & Aeronaut Engn, Davis, CA 95616 USA.
[Berg, Dale] Sandia Natl Labs, Wind Energy Technol Dept, Albuquerque, NM 87185 USA.
RP Johnson, SJ (reprint author), Univ Calif Davis, Dept Mech & Aeronaut Engn, Davis, CA 95616 USA.
EM sjjohnson@ucdavis.edu
NR 52
TC 40
Z9 42
U1 6
U2 28
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1095-4244
EI 1099-1824
J9 WIND ENERGY
JI Wind Energy
PD MAR-APR
PY 2010
VL 13
IS 2-3
SI SI
BP 239
EP 253
DI 10.1002/we.356
PG 15
WC Energy & Fuels; Engineering, Mechanical
SC Energy & Fuels; Engineering
GA 580YJ
UT WOS:000276486700010
ER
PT J
AU Barker, Z
Venkatchalam, V
Martin, AN
Farquar, GR
Frank, M
AF Barker, Zachary
Venkatchalam, Veena
Martin, Audrey N.
Farquar, George R.
Frank, Matthias
TI Detecting trace pesticides in real time using single particle aerosol
mass spectrometry
SO ANALYTICA CHIMICA ACTA
LA English
DT Article
DE Pesticide analysis; Single particle; Mass spectrometry; Aerosol analysis
ID PERFORMANCE LIQUID-CHROMATOGRAPHY; DIODE-ARRAY DETECTION; MALATHION;
IDENTIFICATION; EXPOSURE; DICHLORVOS; RESIDUES; CARBARYL; SAMPLES; RISKS
AB Pesticides are toxic substances and may cause unintentional harm if improperly used. The ubiquitous nature of pesticides, with frequent use in agriculture and the household, and the potential for harm that pesticides pose to non-target organisms such as wildlife, humans, and pets, demonstrate the need for rapid and effective detection and identification of these compounds. In this Study, single particle aerosol mass spectrometry (SPAMS) was used to rapidly detect compounds from four classes of pesticides commonly used in agricultural and household applications. These include permethrin (pyrethroid class), malathion and dichlorvos (organophosphate class), imidacloprid (chloronicotinyl class), and carbaryl (carbamate class). Analytical standards of each compound were diluted and aerosolized using a nebulizer to create particles for analysis in the SPAMS instrument. The resultant dual-polarity time-of-flight mass spectra were then analyzed to identify the characteristic peaks of the compound in each sample. In addition, samples of commercial products containing pesticides, a commercial insecticide spray, containing permethrin, and a canine flea collar, containing carbaryl, were analyzed in their original form using SPAMS without any significant sample preparation. The characteristic mass spectral peaks of the active pesticides in these samples were identified using the mass spectra obtained earlier from the pesticide analytical standards. By successfully identifying pesticides in analytical standards and in commercial products, it is demonstrated herein that the SPAMS system may be capable of pesticide detection in numerous environmental and agricultural situations. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Martin, Audrey N.; Farquar, George R.; Frank, Matthias] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Barker, Zachary] Mt Union Coll, Alliance, OH 44601 USA.
[Venkatchalam, Veena] MIT, Cambridge, MA 02139 USA.
[Martin, Audrey N.] Michigan State Univ, E Lansing, MI 48824 USA.
RP Martin, AN (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave,L-091, Livermore, CA 94550 USA.
EM amartin@llnl.gov; farquar2@llnl.gov
RI Frank, Matthias/O-9055-2014
FU LLNL Laboratory Directed Research and Development; DARPA; TSWG of the
Department of Defense
FX The development of the SPAMS system at LLNL was partially funded through
an LLNL Laboratory Directed Research and Development Grant and through
DARPA and TSWG of the Department of Defense. This work was performed
under the auspices of the U.S. Department of Energy (DOE) by Lawrence
Livermore National Laboratory under Contract DE-SC52-07NA27344. Z.B. and
V.V. performed this work while on appointment to the U.S. Department of
Homeland Security (DHS) HS-STEM Summer Internship program and the U.S.
DHS Scholarship and Fellowship Program, respectively, both administered
by the Oak Ridge institute for Science and Education (ORISE) through an
interagency agreement between the U.S. Department of Energy (DOE) and
DHS. ORISE is managed by Oak Ridge Associated Universities (ORAU) under
DOE contract number DE-AC05-06OR23100. All opinions expressed in this
paper are the authors' and do not necessarily reflect the policies and
views of DHS, DOE, or ORAU/ORISE.
NR 38
TC 10
Z9 10
U1 0
U2 26
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0003-2670
J9 ANAL CHIM ACTA
JI Anal. Chim. Acta
PD FEB 28
PY 2010
VL 661
IS 2
BP 188
EP 194
DI 10.1016/j.aca.2009.12.031
PG 7
WC Chemistry, Analytical
SC Chemistry
GA 562FB
UT WOS:000275034000009
PM 20113734
ER
PT J
AU Cho, H
de Jong, WA
Soderquist, CZ
AF Cho, Herman
de Jong, Wibe A.
Soderquist, Chuck Z.
TI Probing the oxygen environment in UO22+ by solid-state O-17 nuclear
magnetic resonance spectroscopy and relativistic density functional
calculations
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
ID ORDER REGULAR APPROXIMATION; AMMONIUM URANYL CARBONATE;
ELECTRONIC-STRUCTURE; DIFFERENT ATMOSPHERES; CRYSTAL-STRUCTURE; ACTINYL
IONS; NMR; RUTHERFORDINE; DECOMPOSITION; CHEMISTRY
AB A combined theoretical and solid-state O-17 nuclear magnetic resonance (NMR) study of the electronic structure of the uranyl ion UO22+ in (NH4)(4)UO2(CO3)(3) and rutherfordine (UO2CO3) is presented, the former representing a system with a hydrogen-bonding environment around the uranyl oxygens and the latter exemplifying a uranyl environment without hydrogens. Relativistic density functional calculations reveal unique features of the U-O covalent bond, including the finding of O-17 chemical shift anisotropies that are among the largest for oxygen ever reported (>1200 ppm). Computational results for the oxygen electric field gradient tensor are found to be consistently larger in magnitude than experimental solid-state O-17 NMR measurements in a 7.05 T magnetic field indicate. A modified version of the Solomon theory of the two-spin echo amplitude for a spin-5/2 nucleus is developed and applied to the analysis of the O-17 echo signal of U O-17(2)2+. (C) 2010 American Institute of Physics. [doi:10.1063/1.3308499]
C1 [Cho, Herman; de Jong, Wibe A.; Soderquist, Chuck Z.] Pacific NW Natl Lab, Fundamental & Computat Sci Directorate, Richland, WA 99352 USA.
RP Cho, H (reprint author), Pacific NW Natl Lab, Fundamental & Computat Sci Directorate, POB 999, Richland, WA 99352 USA.
EM hm.cho@pnl.gov
RI DE JONG, WIBE/A-5443-2008
OI DE JONG, WIBE/0000-0002-7114-8315
FU U.S. Department of Energy by the Battelle Memorial Institute
[DE-AC06-76RLO-1830]; Department of Energy's Office of Biological and
Environmental Research located at the Pacific Northwest National
Laboratory
FX The Pacific Northwest National Laboratory is operated for the U.S.
Department of Energy by the Battelle Memorial Institute under Contract
No. DE-AC06-76RLO-1830. Part of the research was performed at the EMSL,
a national scientific user facility sponsored by the Department of
Energy's Office of Biological and Environmental Research located at the
Pacific Northwest National Laboratory.
NR 46
TC 11
Z9 11
U1 1
U2 8
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-9606
J9 J CHEM PHYS
JI J. Chem. Phys.
PD FEB 28
PY 2010
VL 132
IS 8
AR 084501
DI 10.1063/1.3308499
PG 7
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 562DJ
UT WOS:000275029200021
PM 20192301
ER
PT J
AU Leu, BM
Alatas, A
Sinn, H
Alp, EE
Said, AH
Yavas, H
Zhao, JY
Sage, JT
Sturhahn, W
AF Leu, Bogdan M.
Alatas, Ahmet
Sinn, Harald
Alp, E. Ercan
Said, Ayman H.
Yavas, Hasan
Zhao, Jiyong
Sage, J. Timothy
Sturhahn, Wolfgang
TI Protein elasticity probed with two synchrotron-based techniques
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
ID NUCLEAR RESONANT SCATTERING; X-RAY-SCATTERING; LOW-FREQUENCY DYNAMICS;
DENSITY-OF-STATES; INELASTIC NEUTRON-SCATTERING; CYTOCHROME-C;
GLOBULAR-PROTEINS; MOSSBAUER-SPECTROSCOPY; VIBRATIONAL DYNAMICS;
BRAGG-DIFFRACTION
AB Compressibility characterizes three interconnecting properties of a protein: dynamics, structure, and function. The compressibility values for the electron-carrying protein cytochrome c and for other proteins, as well, available in the literature vary considerably. Here, we apply two synchrotron-based techniques-nuclear resonance vibrational spectroscopy and inelastic x-ray scattering - - to measure the adiabatic compressibility of this protein. This is the first report of the compressibility of any material measured with this method. Unlike the methods previously used, this novel approach probes the protein globally, at ambient pressure, does not require the separation of protein and solvent contributions to the total compressibility, and uses samples that contain the heme iron, as in the native state. We show, by comparing our results with molecular dynamics predictions, that the compressibility is almost independent of temperature. We discuss potential applications of this method to other materials beyond proteins. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3332585]
C1 [Leu, Bogdan M.; Alatas, Ahmet; Alp, E. Ercan; Said, Ayman H.; Yavas, Hasan; Zhao, Jiyong; Sturhahn, Wolfgang] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Sinn, Harald] HASYLAB, D-22607 Hamburg, Germany.
[Sage, J. Timothy] Northeastern Univ, Dept Phys, Dana Res Ctr, Boston, MA 02115 USA.
RP Leu, BM (reprint author), Argonne Natl Lab, Adv Photon Source, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM leu@aps.anl.gov
RI Yavas, Hasan/A-7164-2014; Leu, Bogdan/J-9952-2015
OI Yavas, Hasan/0000-0002-8940-3556; Leu, Bogdan/0000-0003-2020-0686
FU U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences [DE-AC02-06CH11357]; National Science Foundation [PHY-0545787];
The University of Chicago
FX We thank Professor Abel Schejter for helpful discussions, in particular
about the cyt c 57Fe-enrichment procedure; Weiqiao Zeng for
the Raman measurements on the IXS sample; and Dr. Yong Zhang for
stimulating discussions on molecular dynamics simulations. Work at the
Advanced Photon Source is supported by the U.S. Department of Energy,
Office of Science, Office of Basic Energy Sciences, under Contract No.
DE-AC02-06CH11357. Generous support for the NRVS experiments was
provided by the National Science Foundation (Contract No. PHY-0545787).
Argonne National Laboratory is operated by The University of Chicago
under contract with the U.S. Department of Energy, Office of Science.
NR 100
TC 15
Z9 15
U1 0
U2 9
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-9606
J9 J CHEM PHYS
JI J. Chem. Phys.
PD FEB 28
PY 2010
VL 132
IS 8
AR 085103
DI 10.1063/1.3332585
PG 7
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 562DJ
UT WOS:000275029200038
PM 20192318
ER
PT J
AU Jankowski, MD
Franson, JC
Mostl, E
Porter, WP
Hofmeister, EK
AF Jankowski, Mark D.
Franson, J. Christian
Moestl, Erich
Porter, Warren P.
Hofmeister, Erik K.
TI Testing independent and interactive effects of corticosterone and
synergized resmethrin on the immune response to West Nile virus in
chickens
SO TOXICOLOGY
LA English
DT Article
DE Resmethrin; Corticosterone; West Nile virus; Avian; Immunotoxicology;
Insecticide
ID PYRETHROID INSECTICIDES; PLASMA-CORTICOSTERONE; MOSQUITO MANAGEMENT;
HOMARUS-AMERICANUS; PIPERONYL-BUTOXIDE; RISK-ASSESSMENT; CULEX-PIPIENS;
IN-VITRO; TOXICITY; PERMETHRIN
AB Public health agencies utilize aerial insecticides to interrupt an active West Nile virus (WNV) transmission cycle, which may expose WNV-infected birds to these agents. Although resmethrin has been considered benign to birds, no studies have evaluated whether the environmentally employed form of resmethrin with PBO synergist (synergized resmethrin (SR)) can suppress avian immunity to WNV infection and enhance a bird's host competence. Recognizing that wild birds confront toxicological stressors in the context of various physiological states, we exposed four groups (n = 9-11) of 9-week-old chickens (Gallus domesticus) to drinking water with either SR (three alternate days at 50 mu g/l resmethrin + 150 mu g/l piperonyl butoxide), CURT (10 days at 20 mg/l to induce subacute stress), the combination of SR and CURT, or 0.10% ethanol vehicle coincident with WNV infection. Compared to controls, SR treatment did not magnify but extended viremia by 1 day, and depressed IgG: CURT treatment elevated (mean, 4.26 log(10) PFU/ml) and extended viremia by 2 days, enhanced IgM and IgG, and increased oral virus. The combination of SR and CURT increased the number of chickens that shed oral virus compared to those treated with CURT alone. None of the chickens developed a readily infectious viremia to mosquitoes (none >= 5 log(10) PFU/ml), but viremia in a CURT-exposed chicken was up to 4.95 log(10) PFU/ml. Given that SR is utilized during WNV outbreaks, continued work toward a complete risk assessment of the potential immunotoxic effects of SR is warranted. This would include parameterization of SR exposures with immunological consequences in wild birds using both replicating (in the laboratory) and non-replicating (in the field) antigens. As a start, this study indicates that SR can alter some immunological parameters, but with limited consequences to primary WNV infection outcome, and that elevated CURT mildly enhances SRs immunotoxicity in chickens. Published by Elsevier Ireland Ltd.
C1 [Jankowski, Mark D.; Porter, Warren P.] Univ Wisconsin, Mol & Environm Toxicol Ctr, Madison, WI 53706 USA.
[Jankowski, Mark D.; Porter, Warren P.] Univ Wisconsin, Dept Zool, Madison, WI 53706 USA.
[Jankowski, Mark D.; Franson, J. Christian; Hofmeister, Erik K.] US Fish & Wildlife Serv, Natl Wildlife Hlth Res Ctr, US Geol Survey, Madison, WI 53711 USA.
[Moestl, Erich] Univ Vet Med, Dept Nat Sci Biochem, A-1210 Vienna, Austria.
RP Jankowski, MD (reprint author), Los Alamos Natl Lab, POB 1663,Mail Stop M888, Los Alamos, NM 87545 USA.
EM mdjankowski@lanl.gov
RI Mostl, Erich/G-1748-2010;
OI Franson, J/0000-0002-0251-4238
FU NIEHS NIH HHS [T32 ES007015, T32 ES007015-30]
NR 46
TC 10
Z9 11
U1 1
U2 15
PU ELSEVIER IRELAND LTD
PI CLARE
PA ELSEVIER HOUSE, BROOKVALE PLAZA, EAST PARK SHANNON, CO, CLARE, 00000,
IRELAND
SN 0300-483X
J9 TOXICOLOGY
JI Toxicology
PD FEB 28
PY 2010
VL 269
IS 1
BP 81
EP 88
DI 10.1016/j.tox.2010.01.010
PG 8
WC Pharmacology & Pharmacy; Toxicology
SC Pharmacology & Pharmacy; Toxicology
GA 576IB
UT WOS:000276136600009
PM 20096745
ER
PT J
AU Oliver, MJ
Murdock, AG
Mishler, BD
Kuehl, JV
Boore, JL
Mandoli, DF
Everett, KDE
Wolf, PG
Duffy, AM
Karol, KG
AF Oliver, Melvin J.
Murdock, Andrew G.
Mishler, Brent D.
Kuehl, Jennifer V.
Boore, Jeffrey L.
Mandoli, Dina F.
Everett, Karin D. E.
Wolf, Paul G.
Duffy, Aaron M.
Karol, Kenneth G.
TI Chloroplast genome sequence of the moss Tortula ruralis: gene content,
polymorphism, and structural arrangement relative to other green plant
chloroplast genomes
SO BMC GENOMICS
LA English
DT Article
ID DESICCATION-TOLERANCE; LAND PLANTS; PHYLOGENETIC SIGNIFICANCE; DNA;
BRYOPHYTES; LIVERWORTS
AB Background: Tortula ruralis, a widely distributed species in the moss family Pottiaceae, is increasingly used as a model organism for the study of desiccation tolerance and mechanisms of cellular repair. In this paper, we present the chloroplast genome sequence of T. ruralis, only the second published chloroplast genome for a moss, and the first for a vegetatively desiccation-tolerant plant.
Results: The Tortula chloroplast genome is similar to 123,500 bp, and differs in a number of ways from that of Physcomitrella patens, the first published moss chloroplast genome. For example, Tortula lacks the similar to 71 kb inversion found in the large single copy region of the Physcomitrella genome and other members of the Funariales. Also, the Tortula chloroplast genome lacks petN, a gene found in all known land plant plastid genomes. In addition, an unusual case of nucleotide polymorphism was discovered.
Conclusions: Although the chloroplast genome of Tortula ruralis differs from that of the only other sequenced moss, Physcomitrella patens, we have yet to determine the biological significance of the differences. The polymorphisms we have uncovered in the sequencing of the genome offer a rare possibility (for mosses) of the generation of DNA markers for fine-level phylogenetic studies, or to investigate individual variation within populations.
C1 [Oliver, Melvin J.] Univ Missouri, Plant Genet Res Unit, USDA ARS MWA, Columbia, MO 65211 USA.
[Murdock, Andrew G.; Mishler, Brent D.] Univ Calif Berkeley, Dept Integrat Biol, Berkeley, CA 94720 USA.
[Murdock, Andrew G.; Mishler, Brent D.] Univ Calif Berkeley, Univ & Jepson Herbaria, Berkeley, CA 94720 USA.
[Kuehl, Jennifer V.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Boore, Jeffrey L.] Genome Project Solut Inc, Hercules, CA 94547 USA.
[Mandoli, Dina F.; Everett, Karin D. E.] Univ Washington, Dept Biol, Seattle, WA 98195 USA.
[Wolf, Paul G.; Duffy, Aaron M.] Utah State Univ, Dept Biol, Logan, UT 84322 USA.
[Karol, Kenneth G.] New York Bot Garden, Lewis B & Dorothy Cullman Program Mol Systemat St, Bronx, NY 10458 USA.
RP Oliver, MJ (reprint author), Univ Missouri, Plant Genet Res Unit, USDA ARS MWA, 205 Curtis Hall, Columbia, MO 65211 USA.
EM Mel.oliver@ars.usda.gov
RI Wolf, Paul/F-7664-2010
OI Wolf, Paul/0000-0002-4317-6976
FU US National Science Foundation; NSF [0228729, 0228660, 0228432]; US
National Institutes of Health [T32-HG00035]; USDA-CSREES NRI
[2007-02007]; USDA-ARS CRIS [3622-21000-027-00]; US Department of
Energy's Office of Science, Biological and Environmental Research;
University of California, Lawrence Berkeley National Laboratory
[DE-AC02-05CH11231]
FX This research was supported in part by a collaborative grant from the US
National Science Foundation: ATOL: Collaborative Research: Deep Green
Plant Phylogenetics: Novel Analytical Methods for Scaling from Genomics
to Morphology http://ucjeps.berkeley.edu/TreeofLife/, NSF grant numbers
0228729 to BDM and JLB, 0228660 to DFM, and 0228432 to PGW. Additional
funding was provided by the US National Institutes of Health
Interdisciplinary Training in Genomic Sciences Grant T32-HG00035 to KGK
and USDA-CSREES NRI grant 2007-02007 to MJO. The authors would like to
thank Dr Aru K. Arumuganathan, Director of the Flow Cytometry Core,
Benaroya Research Institute at Virginia Mason for his excellent
technical assistance in the isolation of intact chloroplasts using
fluorescence-activated cell sorting (FACS). We would also like to
acknowledge the excellent technical assistance of Dean Kelch, Jeremy
Hudgeons, and Jim Elder. Work presented here was also supported in part
by USDA-ARS CRIS project 3622-21000-027-00 (MJO). This work was also
partly performed under the auspices of the US Department of Energy's
Office of Science, Biological and Environmental Research Program, and by
the University of California, Lawrence Berkeley National Laboratory
under Contract No. DE-AC02-05CH11231. Mention of a trademark or
proprietary product does not constitute a guarantee or warranty of the
product by the United States Department of Agriculture, and does not
imply its approval to the exclusion of other products that may also be
suitable.
NR 33
TC 20
Z9 21
U1 2
U2 13
PU BIOMED CENTRAL LTD
PI LONDON
PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND
SN 1471-2164
J9 BMC GENOMICS
JI BMC Genomics
PD FEB 27
PY 2010
VL 11
AR 143
DI 10.1186/1471-2164-11-143
PG 8
WC Biotechnology & Applied Microbiology; Genetics & Heredity
SC Biotechnology & Applied Microbiology; Genetics & Heredity
GA 572MD
UT WOS:000275835900001
PM 20187961
ER
PT J
AU Morley, SK
Henderson, MG
AF Morley, Steven K.
Henderson, Michael G.
TI Comment on "Investigation of the period of sawtooth events" by X. Cai
and C. R. Clauer
SO JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
LA English
DT Editorial Material
ID INJECTIONS; SUBSTORMS
C1 [Morley, Steven K.; Henderson, Michael G.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Morley, SK (reprint author), Los Alamos Natl Lab, Mail Stop D466,POB 1663, Los Alamos, NM 87545 USA.
EM smorley@lanl.gov
RI Morley, Steven/A-8321-2008; Henderson, Michael/A-3948-2011
OI Morley, Steven/0000-0001-8520-0199; Henderson,
Michael/0000-0003-4975-9029
NR 23
TC 1
Z9 1
U1 0
U2 4
PU AMER GEOPHYSICAL UNION
PI WASHINGTON
PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA
SN 0148-0227
J9 J GEOPHYS RES-SPACE
JI J. Geophys. Res-Space Phys.
PD FEB 27
PY 2010
VL 115
AR A02216
DI 10.1029/2009JA014721
PG 5
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 562GI
UT WOS:000275037500002
ER
PT J
AU Bielejec, E
Seamons, JA
Carroll, MS
AF Bielejec, E.
Seamons, J. A.
Carroll, M. S.
TI Single ion implantation for single donor devices using Geiger mode
detectors
SO NANOTECHNOLOGY
LA English
DT Article
AB Electronic devices that are designed to use the properties of single atoms such as donors or defects have become a reality with recent demonstrations of donor spectroscopy, single photon emission sources, and magnetic imaging using defect centers in diamond. Ion implantation, an industry standard for atom placement in materials, requires augmentation for single ion capability including a method for detecting a single ion arrival. Integrating single ion detection techniques with the single donor device construction region allows single ion arrival to be assured. Improving detector sensitivity is linked to improving control over the straggle of the ion as well as providing more flexibility in lay-out integration with the active region of the single donor device construction zone by allowing ion sensing at potentially greater distances. Using a remotely located passively gated single ion Geiger mode avalanche diode (SIGMA) detector we have demonstrated 100% detection efficiency at a distance of > 75 mu m from the center of the collecting junction. This detection efficiency is achieved with sensitivity to similar to 600 or fewer electron-hole pairs produced by the implanted ion. Ion detectors with this sensitivity and integrated with a thin dielectric, for example a 5 nm gate oxide, using low energy Sb implantation would have an end of range straggle of < 2.5 nm.
Significant reduction in false count probability is, furthermore, achieved by modifying the ion beam set-up to allow for cryogenic operation of the SIGMA detector. Using a detection window of 230 ns at 1 Hz, the probability of a false count was measured as similar to 10(-1) and 10(-4) for operation temperatures of similar to 300 K and similar to 77 K, respectively. Low temperature operation and reduced false, 'dark', counts are critical to achieving high confidence in single ion arrival. For the device performance in this work, the confidence is calculated as a probability of > 98% for counting one and only one ion for a false count probability of 10(-4) at an average ion number per gated window of 0.015.
C1 [Bielejec, E.; Seamons, J. A.; Carroll, M. S.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Bielejec, E (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM esbiele@sandia.gov
FU National Security Agency Laboratory for Physical Sciences
[EAO-09-0000049393]; United States Department of Energy
[DE-AC04-94AL85000]
FX We acknowledge the outstanding assistance from G Vizkelethy, B L Doyle,
B R McWatters, and K Childs. This work was supported in full by the
National Security Agency Laboratory for Physical Sciences under contract
number EAO-09-0000049393. Sandia is a multiprogram laboratory operated
by Sandia Corporation, a Lockheed Martin Company, for the United States
Department of Energy under Contract no. DE-AC04-94AL85000.
NR 20
TC 9
Z9 9
U1 0
U2 16
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0957-4484
J9 NANOTECHNOLOGY
JI Nanotechnology
PD FEB 26
PY 2010
VL 21
IS 8
AR 085201
DI 10.1088/0957-4484/21/8/085201
PG 7
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Physics, Applied
SC Science & Technology - Other Topics; Materials Science; Physics
GA 548LT
UT WOS:000273965000004
PM 20101077
ER
PT J
AU Gottesman, D
Hastings, MB
AF Gottesman, Daniel
Hastings, M. B.
TI Entanglement versus gap for one-dimensional spin systems
SO NEW JOURNAL OF PHYSICS
LA English
DT Article
ID SPECTRAL GAP
AB We study the relationship between entanglement and spectral gap for local Hamiltonians in one dimension (1D). The area law for a 1D system states that for the ground state, the entanglement of any interval is upper bounded by a constant independent of the size of the interval. However, the possible dependence of the upper bound on the spectral gap Delta is not known, as the best known general upper bound is asymptotically much larger than the largest possible entropy of any model system previously constructed for small Delta. To help resolve this asymptotic behavior, we construct a family of 1D local systems for which some intervals have entanglement entropy, which is polynomial in 1/Delta, whereas previously studied systems, such as free fermion systems or systems described by conformal field theory, had the entropy of all intervals bounded by a constant time log(1/Delta).
C1 [Gottesman, Daniel] Perimeter Inst Theoret Phys, Waterloo, ON, Canada.
[Hastings, M. B.] Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA.
[Hastings, M. B.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM USA.
[Hastings, M. B.] Univ Calif Santa Barbara, Stn Q, Santa Barbara, CA 93106 USA.
RP Gottesman, D (reprint author), Perimeter Inst Theoret Phys, Waterloo, ON, Canada.
EM dgottesman@perimeterinstitute.ca; xhastings@gmail.com
FU CIFAR; Government of Canada through NSERC; Province of Ontario through
MRI; US DOE [DE-AC52-06NA25396]
FX We thank D Aharonov for many useful discussions throughout this work. DG
was supported by CIFAR, by the Government of Canada through NSERC, and
by the Province of Ontario through MRI. MBH was supported by US DOE
contract no. DE-AC52-06NA25396.
NR 18
TC 27
Z9 27
U1 0
U2 2
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1367-2630
J9 NEW J PHYS
JI New J. Phys.
PD FEB 26
PY 2010
VL 12
AR 025002
DI 10.1088/1367-2630/12/2/025002
PG 20
WC Physics, Multidisciplinary
SC Physics
GA 564PQ
UT WOS:000275228200002
ER
PT J
AU Pollmann, F
Moore, JE
AF Pollmann, F.
Moore, J. E.
TI Entanglement spectra of critical and near-critical systems in one
dimension
SO NEW JOURNAL OF PHYSICS
LA English
DT Article
ID RENORMALIZATION; ENTROPY; CHAIN
AB The entanglement spectrum of a pure state of a bipartite system is the full set of eigenvalues of the reduced density matrix obtained from tracing out one part. Such spectra are known in several cases to contain important information beyond that in the entanglement entropy. This paper studies the entanglement spectrum for a variety of critical and near-critical quantum lattice models in one dimension, chiefly by the infinite time evolving block decimation (iTEBD) numerical method, which enables both integrable and non-integrable models to be studied. We find that the distribution of eigenvalues in the entanglement spectra agrees with an approximate result derived by Calabrese and Lefevre to an accuracy of a few per cent for all models studied. This result applies whether the correlation length is intrinsic or generated by the finite matrix size accessible in iTEBD. For the transverse Ising model, the known exact results from Peschel and Eisler for the entanglement spectrum are used to confirm the validity of the iTEBD approach. For more general models, no exact result is available but the iTEBD results directly test the hypothesis that all moments of the reduced density matrix are determined by a single parameter.
C1 [Pollmann, F.; Moore, J. E.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Moore, J. E.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Pollmann, F (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
EM pollmann@berkeley.edu
RI Pollmann, Frank/L-5378-2013; Moore, Joel/O-4959-2016
OI Moore, Joel/0000-0002-4294-5761
FU ARO; NSF [DMR-0804413]
FX We acknowledge support from ARO (FP) and NSF DMR-0804413 (JEM).
NR 41
TC 35
Z9 35
U1 0
U2 1
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 1367-2630
J9 NEW J PHYS
JI New J. Phys.
PD FEB 26
PY 2010
VL 12
AR 025006
DI 10.1088/1367-2630/12/2/025006
PG 12
WC Physics, Multidisciplinary
SC Physics
GA 564PQ
UT WOS:000275228200006
ER
PT J
AU Aluie, H
Eyink, GL
AF Aluie, Hussein
Eyink, Gregory L.
TI Scale Locality of Magnetohydrodynamic Turbulence
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID ZERO NET FLUX; MAGNETOROTATIONAL INSTABILITY; MHD SIMULATIONS; SHEARING
BOX; INTERMITTENCY; SPECTRUM; DYNAMO
AB We investigate the scale locality of cascades of conserved invariants at high kinetic and magnetic Reynold's numbers in the "inertial-inductive range'' of magnetohydrodynamic (MHD) turbulence, where velocity and magnetic field increments exhibit suitable power-law scaling. We prove that fluxes of total energy and cross helicity-or, equivalently, fluxes of Elsasser energies-are dominated by the contributions of local triads. Flux of magnetic helicity may be dominated by nonlocal triads. The magnetic stretching term may also be dominated by nonlocal triads, but we prove that it can convert energy only between velocity and magnetic modes at comparable scales. We explain the disagreement with numerical studies that have claimed conversion nonlocally between disparate scales. We present supporting data from a 1024(3) simulation of forced MHD turbulence.
C1 [Aluie, Hussein; Eyink, Gregory L.] Johns Hopkins Univ, Baltimore, MD 21218 USA.
[Aluie, Hussein] Los Alamos Natl Lab, Theoret Div T CNLS 5, Los Alamos, NM 87545 USA.
RP Aluie, H (reprint author), Johns Hopkins Univ, Baltimore, MD 21218 USA.
RI Aluie, Hussein/D-6321-2011
FU NSF [ASE-0428325]
FX We thank E. T. Vishniac, S. Chen, M. Wan, and D. Shapovalov. Computer
time provided by DLMS at the Johns Hopkins University and support from
NSF Grant No. ASE-0428325 are gratefully acknowledged.
NR 22
TC 41
Z9 41
U1 1
U2 5
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 26
PY 2010
VL 104
IS 8
AR 081101
DI 10.1103/PhysRevLett.104.081101
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 562NX
UT WOS:000275060000007
PM 20366924
ER
PT J
AU Daghofer, M
Moreo, A
AF Daghofer, Maria
Moreo, Adriana
TI Comment on "Nonmagnetic Impurity Resonances as a Signature of
Sign-Reversal Pairing in FeAs-Based Superconductors''
SO PHYSICAL REVIEW LETTERS
LA English
DT Editorial Material
C1 [Daghofer, Maria] IFW Dresden, D-01171 Dresden, Germany.
[Moreo, Adriana] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37966 USA.
[Moreo, Adriana] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Daghofer, M (reprint author), IFW Dresden, POB 27 01 16, D-01171 Dresden, Germany.
EM M.Daghofer@ifw-dresden.de
RI Daghofer, Maria/C-5762-2008
OI Daghofer, Maria/0000-0001-9434-8937
NR 12
TC 4
Z9 4
U1 0
U2 2
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
EI 1079-7114
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 26
PY 2010
VL 104
IS 8
AR 089701
DI 10.1103/PhysRevLett.104.089701
PG 1
WC Physics, Multidisciplinary
SC Physics
GA 562NX
UT WOS:000275060000049
PM 20366969
ER
PT J
AU Perez, F
Gremillet, L
Koenig, M
Baton, SD
Audebert, P
Chahid, M
Rousseaux, C
Drouin, M
Lefebvre, E
Vinci, T
Rassuchine, J
Cowan, T
Gaillard, SA
Flippo, KA
Shepherd, R
AF Perez, F.
Gremillet, L.
Koenig, M.
Baton, S. D.
Audebert, P.
Chahid, M.
Rousseaux, C.
Drouin, M.
Lefebvre, E.
Vinci, T.
Rassuchine, J.
Cowan, T.
Gaillard, S. A.
Flippo, K. A.
Shepherd, R.
TI Enhanced Isochoric Heating from Fast Electrons Produced by
High-Contrast, Relativistic-Intensity Laser Pulses
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID PLASMA INTERACTIONS; COLLISIONS; TARGET; ANGLE
AB Thin, mass-limited targets composed of V/Cu/Al layers with diameters ranging from 50 to 300 mu m have been isochorically heated by a 300 fs laser pulse delivering up to 10 J at 2 x 10(19) W/cm(2) irradiance. Detailed spectral analysis of the Cu x-ray emission indicates that the highest temperatures, of the order of 100 eV, have been reached when irradiating the smallest targets with a high-contrast, frequency-doubled pulse despite a reduced laser energy. Collisional particle-in-cell simulations confirm the detrimental influence of the preformed plasma on the bulk target heating.
C1 [Perez, F.; Koenig, M.; Baton, S. D.; Audebert, P.; Chahid, M.] Ecole Polytech, CNRS CEA X Paris 6, UMR 7605, Lab Utilisat Lasers Intenses, Palaiseau, France.
[Gremillet, L.; Rousseaux, C.; Drouin, M.; Lefebvre, E.; Vinci, T.] DIF, DAM, CEA, F-91297 Arpajon, France.
[Gaillard, S. A.; Flippo, K. A.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Rassuchine, J.; Cowan, T.; Gaillard, S. A.] Forschungszentrum Dresden Rossendorf, D-01314 Dresden, Germany.
[Gaillard, S. A.] Univ Nevada, Dept Phys, Reno, NV 89557 USA.
[Shepherd, R.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Perez, F (reprint author), Ecole Polytech, CNRS CEA X Paris 6, UMR 7605, Lab Utilisat Lasers Intenses, Palaiseau, France.
EM frederic.perez@polytechnique.edu
RI Lefebvre, Erik/B-9835-2009; Koenig, Michel/A-2167-2012; Flippo,
Kirk/C-6872-2009; Cowan, Thomas/A-8713-2011
OI Flippo, Kirk/0000-0002-4752-5141; Cowan, Thomas/0000-0002-5845-000X
FU DOE [DE-FC52-01NV14050, DE-AC52-06NA25396]
FX The authors acknowledge D. Salzmann for his interest in this work and
fruitful discussions. PIC simulations were performed using the computing
facilities of CEA/CCRT. S. A. G. was supported by DOE grant
DE-FC52-01NV14050 and travel supported by FZD. K. A. F. was supported by
DOE contract # DE-AC52-06NA25396.
NR 27
TC 27
Z9 27
U1 1
U2 6
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 26
PY 2010
VL 104
IS 8
AR 085001
DI 10.1103/PhysRevLett.104.085001
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 562NX
UT WOS:000275060000022
PM 20366940
ER
PT J
AU Singleton, J
de la Cruz, C
McDonald, RD
Li, SL
Altarawneh, M
Goddard, P
Franke, I
Rickel, D
Mielke, CH
Yao, X
Dai, PC
AF Singleton, John
de la Cruz, Clarina
McDonald, R. D.
Li, Shiliang
Altarawneh, Moaz
Goddard, Paul
Franke, Isabel
Rickel, Dwight
Mielke, C. H.
Yao, Xin
Dai, Pengcheng
TI Magnetic Quantum Oscillations in YBa2Cu3O6.(61) and YBa2Cu3O6.69 in
Fields of Up to 85 T: Patching the Hole in the Roof of the
Superconducting Dome
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID FERMI-SURFACE; C SUPERCONDUCTOR; TEMPERATURE; POCKETS
AB We measure magnetic quantum oscillations in the underdoped cuprates YBa2Cu3O6+x with x = 0.61, 0.69, using fields of up to 85 T. The quantum-oscillation frequencies and effective masses obtained suggest that the Fermi energy in the cuprates has a maximum at hole doping p approximate to 0.11-0.12. On either side, the effective mass may diverge, possibly due to phase transitions associated with the T = 0 limit of the metal-insulator crossover (low-p side), and the postulated topological transition from small to large Fermi surface close to optimal doping (high p side).
C1 [Singleton, John; McDonald, R. D.; Altarawneh, Moaz; Rickel, Dwight; Mielke, C. H.] Los Alamos Natl Lab, Natl High Magnet Field Lab, Los Alamos, NM 87545 USA.
[de la Cruz, Clarina; Li, Shiliang; Dai, Pengcheng] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
[de la Cruz, Clarina; Dai, Pengcheng] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN 37831 USA.
[Li, Shiliang; Dai, Pengcheng] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
[Goddard, Paul; Franke, Isabel] Univ Oxford, Clarendon Lab, Dept Phys, Oxford OX1 3PU, England.
[Yao, Xin] Shanghai Jiao Tong Univ, Dept Phys, Shanghai 200030, Peoples R China.
RP Singleton, J (reprint author), Los Alamos Natl Lab, Natl High Magnet Field Lab, MS E536, Los Alamos, NM 87545 USA.
RI Li, Shiliang/B-9379-2009; Dai, Pengcheng /C-9171-2012; dela Cruz,
Clarina/C-2747-2013; McDonald, Ross/H-3783-2013; Goddard,
Paul/A-8638-2015; YAO, XIN/O-5678-2015;
OI Dai, Pengcheng /0000-0002-6088-3170; dela Cruz,
Clarina/0000-0003-4233-2145; McDonald, Ross/0000-0002-0188-1087;
Goddard, Paul/0000-0002-0666-5236; Mcdonald, Ross/0000-0002-5819-4739
FU DOE BES [DE-FG02-05ER46202]; State of Florida; Chinese Academy of
Sciences; Shanghai Committee of Science and Technology; MOST of China
[2006CB601003]; EPSRC
FX This work is supported by the DOE BES grant "Science in 100 T'', DOE
DE-FG02-05ER46202, and in part by Division of Scientific User
Facilities. NHMFL is funded by DOE, NSF, and the State of Florida. Work
at the IOP is supported by the Chinese Academy of Sciences. SJTU is
supported by Shanghai Committee of Science and Technology and the MOST
of China (2006CB601003). Work at Oxford takes place in the Nicholas
Kurti Magnetic Field Laboratory and is supported by EPSRC. We thank Neil
Harrison for useful discussions and John Betts, Mike Gordon, Alan Paris,
Daryl Roybal, and Chuck Swenson for extreme technical assistance.
NR 30
TC 44
Z9 44
U1 1
U2 15
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 26
PY 2010
VL 104
IS 8
AR 086403
DI 10.1103/PhysRevLett.104.086403
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 562NX
UT WOS:000275060000035
PM 20366955
ER
PT J
AU Stoupin, S
Shvyd'ko, YV
AF Stoupin, Stanislav
Shvyd'ko, Yuri V.
TI Thermal Expansion of Diamond at Low Temperatures
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID MOSSBAUER WAVELENGTH STANDARD; LATTICE-CONSTANT; SINGLE-CRYSTAL
AB Temperature variation of a lattice parameter of a synthetic diamond crystal (type IIa) was measured using high-energy-resolution x-ray Bragg diffraction in backscattering. A 2 order of magnitude improvement in the measurement accuracy allowed us to directly probe the linear thermal expansion coefficient at temperatures below 100 K. The lowest value measured was 2 X 10(-9) K-1. It was found that the coefficient deviates from the expected Debye law (T-3) while no negative thermal expansion was observed. The anomalous behavior might be attributed to tunneling states due to low concentration impurities.
C1 [Stoupin, Stanislav; Shvyd'ko, Yuri V.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Stoupin, S (reprint author), Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
FU U.S. Department of Energy; Office of Science; Office of Basic Energy
Sciences [DE-AC02-06CH11357]
FX We are indebted to Kwang-Je Kim for stimulated interest and discussions
and to R. Winarski for the loan of the diamond crystal. We acknowledge
help of our colleagues: A. Cunsolo, A. Said, T. Roberts, E.
Trakhtenberg, T. Toellner, D. Shu, and T. Gog. Use of the Advanced
Photon Source was supported by the U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences, under Contract No.
DE-AC02-06CH11357.
NR 26
TC 33
Z9 34
U1 2
U2 14
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 26
PY 2010
VL 104
IS 8
AR 085901
DI 10.1103/PhysRevLett.104.085901
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 562NX
UT WOS:000275060000029
PM 20366949
ER
PT J
AU Xiang, D
Wan, W
AF Xiang, D.
Wan, W.
TI Generating Ultrashort Coherent Soft X-Ray Radiation in Storage Rings
Using Angular-Modulated Electron Beams
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID HARMONIC-GENERATION; LASER; FEL
AB A technique is proposed to generate ultrashort coherent soft x-ray radiation in storage rings using angular-modulated electron beams. In the scheme a laser operating in the TEM01 mode is first used to modulate the angular distribution of the electron beam in an undulator. After passing through a special beam line with nonzero transfer matrix element R-54, the angular modulation is converted to density modulation which contains considerable high harmonic components of the laser. It is found that the harmonic number can be 1 or 2 orders of magnitude higher than the standard coherent harmonic generation method which relies on beam energy modulation. The technique has the potential of generating femtosecond coherent soft x-ray radiation directly from an infrared seed laser and may open new research opportunities for ultrafast sciences in storage rings.
C1 [Xiang, D.] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA.
[Wan, W.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Xiang, D (reprint author), SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA.
RI Xiang, Dao/P-2169-2015
FU U.S. DOE [DE-AC02-76SF00515]
FX We thank A. Chao, Y. Nosochkov, G. Stupakov, M. Woodley, and J. Wu for
helpful comments and discussions. This work was supported by the U. S.
DOE under Contract No. DE-AC02-76SF00515.
NR 14
TC 7
Z9 7
U1 0
U2 2
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 26
PY 2010
VL 104
IS 8
AR 084803
DI 10.1103/PhysRevLett.104.084803
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 562NX
UT WOS:000275060000021
PM 20366939
ER
PT J
AU Gershenfeld, N
Samouhos, S
Nordman, B
AF Gershenfeld, Neil
Samouhos, Stephen
Nordman, Bruce
TI Intelligent Infrastructure for Energy Efficiency
SO SCIENCE
LA English
DT Editorial Material
ID SYSTEMS; DESIGN
C1 [Gershenfeld, Neil; Samouhos, Stephen] MIT, Ctr Bits & Atoms, Cambridge, MA 02138 USA.
[Nordman, Bruce] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Gershenfeld, N (reprint author), MIT, Ctr Bits & Atoms, Cambridge, MA 02138 USA.
EM gersh@cba.mit.edu; bnordman@lbl.gov; stratos@mit.edu
NR 13
TC 19
Z9 19
U1 5
U2 19
PU AMER ASSOC ADVANCEMENT SCIENCE
PI WASHINGTON
PA 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 USA
SN 0036-8075
J9 SCIENCE
JI Science
PD FEB 26
PY 2010
VL 327
IS 5969
BP 1086
EP 1088
DI 10.1126/science.1174082
PG 3
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 560KJ
UT WOS:000274901100020
PM 20185713
ER
PT J
AU Chempath, S
Pratt, LR
Paulaitis, ME
AF Chempath, Shaji
Pratt, Lawrence R.
Paulaitis, Michael E.
TI Distributions of extreme contributions to binding energies of molecules
in liquids
SO CHEMICAL PHYSICS LETTERS
LA English
DT Article
ID WATER; DENSITY
AB Strong intermolecular interactions in liquids are characterized by determining the distributions of maximum and minimum molecular contributions to the energies binding a molecule to a liquid. Extreme-value concepts help in understanding the shapes of these distributions, and therefore provides insight into molecular mechanisms of solvation behavior. The Gumbel distribution works satisfactorily for the maximum (least favorable) contribution. The minimum (most favorable) contribution conforms to another extreme-value distribution, a Weibull distribution. Simulation data for models of CF(4)(aq), Nd(CH(3))(4)(+) (aq), and H(2)O (liquid water) support the view that distributions of extreme values exhibit significant commonality for different molecules in liquid water. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Pratt, Lawrence R.] Tulane Univ, Dept Chem & Biomol Engn, New Orleans, LA 70118 USA.
[Chempath, Shaji] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Paulaitis, Michael E.] Ohio State Univ, Dept Chem & Biomol Engn, Columbus, OH 43210 USA.
RP Pratt, LR (reprint author), Tulane Univ, Dept Chem & Biomol Engn, New Orleans, LA 70118 USA.
EM shaji.chempath@gmail.com; lpratt@tulane.edu; paulaitis.1@osu.edu
RI Pratt, Lawrence/H-7955-2012
OI Pratt, Lawrence/0000-0003-2351-7451
NR 20
TC 5
Z9 5
U1 0
U2 7
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0009-2614
J9 CHEM PHYS LETT
JI Chem. Phys. Lett.
PD FEB 25
PY 2010
VL 487
IS 1-3
BP 24
EP 27
DI 10.1016/j.cplett.2010.01.023
PG 4
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 554JX
UT WOS:000274432400003
ER
PT J
AU Ghirardi, ML
Mohanty, P
AF Ghirardi, Maria L.
Mohanty, Prasanna
TI Oxygenic hydrogen photoproduction - current status of the technology
SO CURRENT SCIENCE
LA English
DT Review
DE Cyanobacteria; green algae; H(2) photoproduction; hydrogenases;
nitrogenases
ID CHLAMYDOMONAS-REINHARDTII CELLS; SP STRAIN PCC-6803; GREEN-ALGAE;
BIDIRECTIONAL HYDROGENASE; H-2 PRODUCTION; TRANSCRIPTIONAL REGULATION;
PHOTOSYNTHETIC ORGANISMS; ANAEROBIC CONDITIONS; RALSTONIA-EUTROPHA;
SULFUR DEPRIVATION
AB Oxygenic photosynthetic microbes such as green algae and cyanobacteria are capable of simultaneously splitting water and generating O(2) and H(2). This property confers them the ability to directly utilize sunlight to produce a clean fuel, H(2) gas. In this article, we discuss the two major classes of enzymes present in these organisms that are involved in H(2) production, hydrogenases and nitrogenases. We also describe the major barriers that must be overcome to bring the process to commercial deployment, as well as recent technological advances in the area.
C1 [Ghirardi, Maria L.] Natl Renewable Energy Lab, Golden, CO USA.
[Mohanty, Prasanna] Reg Plant Resource Ctr, Bhubaneswar 751015, Orissa, India.
[Mohanty, Prasanna] Jawaharlal Nehru Univ, New Delhi 110067, India.
RP Ghirardi, ML (reprint author), Natl Renewable Energy Lab, Golden, CO USA.
EM Maria_Ghirardi@nrel.gov
FU Indian National Science Academy, New Delhi; US Department of Energy's
Office of Basic Energy Sciences, Office of Biological and Environmental
Research; Hydrogen, Fuel Cells and Infrastructure Technologies Program
FX P.M. thanks Indian National Science Academy, New Delhi for support and
Drs Sangeeta Dawar, Sujata Mishra, N. Sredhar and B. K. Behera for help;
M.L.G. acknowledges support from the US Department of Energy's Office of
Basic Energy Sciences, Office of Biological and Environmental Research
and the Hydrogen, Fuel Cells and Infrastructure Technologies Program. We
acknowledge helpful comments and suggestions from NREL's Pin Ching
Maness. We thank George C. Papageorgiou for editing our manuscript.
NR 95
TC 25
Z9 25
U1 0
U2 20
PU INDIAN ACAD SCIENCES
PI BANGALORE
PA C V RAMAN AVENUE, SADASHIVANAGAR, P B #8005, BANGALORE 560 080, INDIA
SN 0011-3891
J9 CURR SCI INDIA
JI Curr. Sci.
PD FEB 25
PY 2010
VL 98
IS 4
BP 499
EP 507
PG 9
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 569SB
UT WOS:000275619500021
ER
PT J
AU Wang, HC
Luo, X
Ye, MC
Hou, J
Robinson, H
Ke, HM
AF Wang, Huanchen
Luo, Xuan
Ye, Mengchun
Hou, Jing
Robinson, Howard
Ke, Hengming
TI Insight into Binding of Phosphodiesterase-9A Selective Inhibitors by
Crystal Structures and Mutagenesis
SO JOURNAL OF MEDICINAL CHEMISTRY
LA English
DT Article
ID CYCLIC-NUCLEOTIDE PHOSPHODIESTERASES; CGMP-SPECIFIC PHOSPHODIESTERASE;
SPINAL-CORD; RAT-BRAIN; TYPE-9; CAMP; IDENTIFICATION; LOCALIZATION;
EXPRESSION; MECHANISM
AB PDE9 inhibitors have been studied as therapeutics for treatment of cardiovascular diseases, diabetes, and neurodegenerative disorders. To illustrate the inhibitor selectivity, file crystal structures of the PDE9A catalytic domain in complex with the enantiomers of PDE9 inhibitor 1-(2-chlorophenyl)-6-(3,3,3-trifluoro-2-methylpropyl)-1H-pyrazolo[3,4-d]pyrimidine-4(5H)-one ((R)-BAY73-6691 or (S)-BAY73-6691, 1r or 1s) were determined and mutagenesis wits performed. The structures showed that the fluoromethyl groups of 1r and Is had different orientations while the other parts of the inhibitors commonly interacted with PDE9A. These differences may explain the slightly different affinity of 1r (IC(50) = 22 nM) and 1s (IC(50) = 88 nM). The mutagenesis experiments revealed that contribution of the binding residues to the inhibitor sensitivity Varies dramatically, From few-Fold to 3 orders Of magnitude. Oil the basis of the crystal structures, a hypothesized compound that simulates the recently published PDE9 inhibitors was modeled to provide Insight into the Inhibitor selectivity.
C1 [Wang, Huanchen; Luo, Xuan; Ye, Mengchun; Ke, Hengming] Univ N Carolina, Dept Biochem & Biophys, Chapel Hill, NC 27599 USA.
[Wang, Huanchen; Luo, Xuan; Ye, Mengchun; Ke, Hengming] Univ N Carolina, Lineberger Comprehens Canc Ctr, Chapel Hill, NC 27599 USA.
[Luo, Xuan; Hou, Jing; Ke, Hengming] Sun Yat Sen Univ, Sch Pharmaceut Sci, Struct Biol Lab, Guangzhou 510275, Guangdong, Peoples R China.
[Robinson, Howard] Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA.
RP Ke, HM (reprint author), Univ N Carolina, Dept Biochem & Biophys, Chapel Hill, NC 27599 USA.
EM hke@med.unc.edu
RI ye, mengchun/D-5629-2014
OI ye, mengchun/0000-0002-2019-5365
FU NIH [GM59791]; Science Foundation of Sun Yat-Sen University; Offices of
Biological and Environmental Research and Basic Energy Sciences of the
U.S. Department of Energy; National Center for Research Resources of
National Institutes of Health
FX We thank beamline X29 at NSLS for collection of the diffraction data and
BAYER Healthcare, Germany, for inhibitor 1r. This work was supported in
part by NIH Grant GM59791 to FIX., the 985 Project of Science Foundation
of Sun Yat-Sen University (X.L.), the Offices of Biological and
Environmental Research and Basic Energy Sciences of the U.S. Department
of Energy, and the National Center for Research Resources of National
Institutes of Health (H.R.).
NR 40
TC 13
Z9 14
U1 2
U2 14
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0022-2623
J9 J MED CHEM
JI J. Med. Chem.
PD FEB 25
PY 2010
VL 53
IS 4
BP 1726
EP 1731
DI 10.1021/jm901519f
PG 6
WC Chemistry, Medicinal
SC Pharmacology & Pharmacy
GA 556HN
UT WOS:000274581200026
PM 20121115
ER
PT J
AU Wang, K
Liu, Z
Cruz, TH
Salmeron, M
Liang, H
AF Wang, Ke
Liu, Zhi
Cruz, Tirma Herranz
Salmeron, Miquel
Liang, Hong
TI In Situ Spectroscopic Observation of Activation and Transformation of
Tantalum Suboxides
SO JOURNAL OF PHYSICAL CHEMISTRY A
LA English
DT Article
ID METAL-SURFACES; OXIDE-FILM; OXIDATION; REACTIVITY; REDUCTION; CHEMISTRY;
PRESSURE; ALUMINUM; PD(111); SCIENCE
AB Using ambient pressure X-ray photoelectron spectroscopy, we were able to observe the process of oxidation of tantalum with different morphological parameters. Being able to trace surface evolution during oxidation, we evaluated the activation energy of oxidation under the influence of strain and grain boundaries. It was found that the metal was oxidized through three different stages and there was a transition stage where the phase transformed from suboxides to the equilibrium state of pentoxide. The applied stress and surface defects reduced the activation energy of oxidation.
C1 [Wang, Ke; Liang, Hong] Texas A&M Univ, College Stn, TX 77843 USA.
[Liu, Zhi; Cruz, Tirma Herranz; Salmeron, Miquel] Univ Calif Berkeley, Lawrence Berkeley Lab, Mat Sci & Chem Sci Div, Berkeley, CA 94720 USA.
[Liu, Zhi; Salmeron, Miquel] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
RP Liang, H (reprint author), Texas A&M Univ, College Stn, TX 77843 USA.
EM hliang@tamu.edu
RI Herranz, Tirma/A-8656-2008; Wang, Ke/A-1044-2012; Liu, Zhi/B-3642-2009
OI Liu, Zhi/0000-0002-8973-6561
FU National Science Foundation [0535578]; Director, Office of Science,
Office of Basic Energy Sciences, U.S. Department of Energy
[DE-AC02-05CH11231.]
FX This research was sponsored by the National Science Foundation (Grant
0535578). The Advanced Light Source was Supported by the Director,
Office of Science, Office of Basic Energy Sciences, U.S. Department of
Energy, tinder Contract No. DE-AC02-05CH11231.
NR 38
TC 11
Z9 11
U1 0
U2 13
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1089-5639
J9 J PHYS CHEM A
JI J. Phys. Chem. A
PD FEB 25
PY 2010
VL 114
IS 7
BP 2489
EP 2497
DI 10.1021/jp910964s
PG 9
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 556GM
UT WOS:000274578200010
PM 20112976
ER
PT J
AU Wallace, AF
Gibbs, GV
Dove, PM
AF Wallace, Adan F.
Gibbs, G. V.
Dove, Patricia M.
TI Influence of Ion-Associated Water on the Hydrolysis of Si-O Bonded
Interactions
SO JOURNAL OF PHYSICAL CHEMISTRY A
LA English
DT Article
ID SODIUM-CHLORIDE SOLUTIONS; OPPENHEIMER AB-INITIO; BIOGENIC SILICA
DISSOLUTION; X-RAY-DIFFRACTION; QUARTZ DISSOLUTION; SURFACE-CHARGE;
ELECTROLYTE-SOLUTIONS; MINERAL DISSOLUTION; AMORPHOUS SILICA;
MOLECULAR-DYNAMICS
AB Previous studies show the demineralization of biogenic, amorphous, and crystalline forms of silica is enhanced in the presence of alkali and alkaline earth cations. The origins of this effect are difficult to explain in light of work suggesting predominantly weak outer-sphere type interactions between these ions and silica. Here we investigate the ability of M(II) aqua ions to promote the hydrolysis of Si-O bonded interactions relative to ion-free water using electronic structure methods. Reaction pathways for Si-O hydrolysis are calculated with the B3LYP and PBE1PBE density functionals at the 6-31G(d) and 6-311+G(d,p) levels in the presence of water, and both inner- and outer-sphere adsorption complexes of Mg(2+)(6H(2)O) and Ca(2+)(6H(2)O). All reaction trajectories involving hydrated ions are characterized by one or more surmountable barriers associated with the rearrangement of ion-associated water molecules, and a single formidable barrier corresponding to hydrolysis of the Si-O bonded interaction. The hydrolysis step for outer-sphere adsorption is slightly less favorable than the water-induced reaction. In contrast, the barrier opposing Si-O hydrolysis in the presence of inner-sphere species is generally reduced relative to the water-induced pathway, indicating that the formation of inner-sphere complexes may be prerequisite to the detachment of Si species from highly coordinated surface sites. The results Suggest a two-part physical model for ion-promoted Si-O hydrolysis that is consistent with experimental rate measurements. First, a bond path is formed between the cation and a bridging oxygen site on the silica surface that weakens the surrounding Si-O interactions, making them more susceptible to attack by water. Second, Si-O hydrolysis occurs adjacent to these inner-sphere species in proportion to the frequency of ion-associated solvent reorganization events. Both processes are dependent upon the particular ion hydration environment, which Suggests measured cation-specific demineralization rates arise from differential barriers opposing reorganization of ion-associated solvent molecules at the silica-water interface.
C1 [Wallace, Adan F.; Gibbs, G. V.; Dove, Patricia M.] Virginia Polytech Inst & State Univ, Dept Geosci, Blacksburg, VA 24061 USA.
RP Wallace, AF (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, 1 Cyclotron Rd,Mail Stop 67R2206, Berkeley, CA 94720 USA.
EM AFWallace@lbl.gov
RI Dove, Patricia/A-7911-2010; Wallace, Adam/A-9976-2012
FU National Science Foundation [EAR-0545166]; Department of Energy
[FG02-00ER15112]
FX This material is based upon work supported by the National Science
Foundation (EAR-0545166) and the Department of Energy (FG02-00ER15112).
Additionally, we thank J. Don Rirnsticlt for providing helpful
discussions and comments on the manuscript.
NR 83
TC 30
Z9 30
U1 4
U2 51
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1089-5639
J9 J PHYS CHEM A
JI J. Phys. Chem. A
PD FEB 25
PY 2010
VL 114
IS 7
BP 2534
EP 2542
DI 10.1021/jp907851u
PG 9
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 556GM
UT WOS:000274578200015
PM 20108957
ER
PT J
AU Rashkeev, SN
Dai, S
Overbury, SH
AF Rashkeev, Sergey N.
Dai, Sheng
Overbury, Steven H.
TI Modification of Au/TiO2 Nanosystems by SiO2 Monolayers: Toward the
Control of the Catalyst Activity and Stability
SO JOURNAL OF PHYSICAL CHEMISTRY C
LA English
DT Article
ID TEMPERATURE CO OXIDATION; DENSITY-FUNCTIONAL THEORY; TOTAL-ENERGY
CALCULATIONS; SUPPORTED AU CATALYSTS; GOLD NANOPARTICLES;
MOLECULAR-DYNAMICS; SILICA; TIO2; CLUSTERS; TRANSITION
AB The activity and stability of Au/TiO2 catalysts depend oil several different factors Such as the anchoring strength of the Au particles at the TiO2 surface, the particle sintering, and the surface mobility of individual gold atoms and/or gold particles. Au/TiO2 catalysts can be made resistant to sintering by atomic layer deposition (ALD) of a layer or SiO2 onto the catalysts. In this study, first-principles density-functional calculations are used to investigate how the stability of Au nanoparticles is modified when a partial monolayer of SiO2 is deposited on a Au/TiO2 catalyst. We find that SiO2 structures deposited on a pure TiO2 substrate exhibit lattice-mismatch instabilities that result in the formation of additional strong anchoring sites for Au atoms/nanoparticles. An atomic-scale roughness introduced by a partial monolayer of SiO2 can slow the atomic Surface diffusion and inhibit Au nanoparticle growth/sintering, in agreement with previous experimental results.
C1 [Rashkeev, Sergey N.] Idaho Natl Lab, Ctr Adv Modeling & Simulat, Idaho Falls, ID 83415 USA.
[Dai, Sheng; Overbury, Steven H.] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37830 USA.
RP Rashkeev, SN (reprint author), Idaho Natl Lab, Ctr Adv Modeling & Simulat, Idaho Falls, ID 83415 USA.
EM sergey.rashkeev@inl.gov
RI Overbury, Steven/C-5108-2016; Dai, Sheng/K-8411-2015
OI Overbury, Steven/0000-0002-5137-3961; Dai, Sheng/0000-0002-8046-3931
FU U.S. Department of Energy [DE-AC07-051D14517, DE-AC05-00OR22725,
DE-AC02-05CH11231]; National Energy Research Scientific Computing Center
(NERSC)
FX One of us (S.N.R.) acknowledges the INL Laboratory Directed Research and
Development program and the U.S. Department of Energy, Office of Nuclear
Energy, under DOE Idaho Operations Office Contract DE-AC07-051D14517 for
financial support. Research was sponsored by the Division of Chemical
Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences,
U.S. Department of Energy, under Contract DE-AC05-00OR22725 with Oak
Ridge National Laboratory, managed and operated by UT-Battelle, LLC.
This research used resources of the National Energy Research Scientific
Computing Center (NERSC), which is Supported by the Office of Science of
the U.S. Department of Energy under Contract DE-AC02-05CH11231. It was
also Supported in part by a grant of computer time from the High
Performance Computer Center at Idaho National Laboratory.
NR 43
TC 15
Z9 16
U1 4
U2 37
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1932-7447
J9 J PHYS CHEM C
JI J. Phys. Chem. C
PD FEB 25
PY 2010
VL 114
IS 7
BP 2996
EP 3002
DI 10.1021/jp9091738
PG 7
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 556GQ
UT WOS:000274578700023
ER
PT J
AU Tingay, M
Morley, C
King, R
Hillis, R
Coblentz, D
Hall, R
AF Tingay, Mark
Morley, Chris
King, Rosalind
Hillis, Richard
Coblentz, David
Hall, Robert
TI Present-day stress field of Southeast Asia
SO TECTONOPHYSICS
LA English
DT Article
DE Intraplate stresses; Present-day stress; Southeast Asia; Sunda plate
ID STRIKE-SLIP FAULTS; SE-ASIA; PREEXISTING FABRICS; TECTONIC STRESS; PLATE
MOTIONS; RIFT BASINS; MAP PROJECT; THRUST BELT; BORNEO; EVOLUTION
AB It is now well established that ridge push forces provide a major control on the plate-scale stress field in most of the Earth's tectonic plates. However, the Sunda plate that comprises much of Southeast Asia is one of only two plates not bounded by a major spreading centre and thus provides an opportunity to evaluate other forces that control the intraplate stress field. The Cenozoic tectonic evolution of the Sunda plate is usually considered to be controlled by escape tectonics associated with India-Eurasia collision. However, the Sunda plate is bounded by a poorly understood and complex range of convergent and strike-slip zones and little is known about the effect of these other plate boundaries on the intraplate stress field in the region. We compile the first extensive stress dataset for Southeast Asia, containing 275 A-D quality (177 A-C) horizontal stress orientations, consisting of 72 stress indicators from earthquakes (located mostly on the periphery of the plate), 202 stress indicators from breakouts and drilling-induced fractures and one hydraulic fracture test within 14 provinces in the plate interior. This data reveals that a variable stress pattern exists throughout Southeast Asia that is largely inconsistent with the Sunda plate's approximately ESE absolute motion direction. The present-day maximum horizontal stress in Thailand, Vietnam and the Malay Basin is predominately north-south, consistent with the radiating stress patterns arising from the eastern Himalayan syntaxis. However, the present-day maximum horizontal stress is primarily oriented NW-SE in Borneo, a direction that may reflect plate-boundary forces or topographic stresses exerted by the central Borneo highlands. Furthermore, the South and Central Sumatra Basins exhibit a NE-SW maximum horizontal stress direction that is perpendicular to the Indo-Australian subduction front. Hence, the plate-scale stress field in Southeast Asia appears to be controlled by a combination of Himalayan orogeny-related deformation, forces related to subduction (primarily trench suction and collision) and intraplate sources of stress such as topography and basin geometry. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Tingay, Mark] Curtin Univ Technol, Dept Appl Geol, Perth, WA 6845, Australia.
[Morley, Chris] PTT Explorat & Prod, Bangkok, Thailand.
[King, Rosalind; Hillis, Richard] Univ Adelaide, Australian Sch Petr, Adelaide, SA, Australia.
[Coblentz, David] Los Alamos Natl Lab, Div Earth & Environm Sci, Los Alamos, NM 87545 USA.
[Hall, Robert] Univ London, Dept Geol Sci, London WC1E 7HU, England.
RP Tingay, M (reprint author), Curtin Univ Technol, Dept Appl Geol, Perth, WA 6845, Australia.
EM m.tingay@curtin.edu.au
RI King, Rosalind/F-9277-2011;
OI Tingay, Mark/0000-0003-0582-2735; Morley,
Christopher/0000-0002-6075-9022
FU Australian Research Council
FX The authors thank Brunei Shell Petroleum, Chevron, Murphy Oil, Petronas,
M and Shell Malaysia for providing data for this study and permission to
publish these findings. The authors also wish to thank Blanka Sperner,
Paola Montone and an anonymous reviewer for their constructive reviews
of this paper. This research was funded by the Australian Research
Council. Contributions to this paper by authors Hillis and King form
TRaX record 15.
NR 85
TC 31
Z9 31
U1 1
U2 15
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0040-1951
J9 TECTONOPHYSICS
JI Tectonophysics
PD FEB 25
PY 2010
VL 482
IS 1-4
SI SI
BP 92
EP 104
DI 10.1016/j.tecto.2009.06.019
PG 13
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 571YC
UT WOS:000275791400010
ER
PT J
AU Morokuma, T
Tokita, K
Lidman, C
Doi, M
Yasuda, N
Aldering, G
Amanullah, R
Barbary, K
Dawson, K
Fadeyev, V
Fakhouri, HK
Goldhaber, G
Goobar, A
Hattori, T
Hayano, J
Hook, IM
Howell, DA
Furusawa, H
Ihara, Y
Kashikawa, N
Knop, RA
Konishi, K
Meyers, J
Oda, T
Pain, R
Perlmutter, S
Rubin, D
Spadafora, AL
Suzuki, N
Takanashi, N
Totani, T
Utsunomiya, H
Wang, LF
AF Morokuma, Tomoki
Tokita, Kouichi
Lidman, Christopher
Doi, Mamoru
Yasuda, Naoki
Aldering, Greg
Amanullah, Rahman
Barbary, Kyle
Dawson, Kyle
Fadeyev, Vitaliy
Fakhouri, Hannah K.
Goldhaber, Gerson
Goobar, Ariel
Hattori, Takashi
Hayano, Junji
Hook, Isobel M.
Howell, D. Andrew
Furusawa, Hisanori
Ihara, Yutaka
Kashikawa, Nobunari
Knop, Rob A.
Konishi, Kohki
Meyers, Joshua
Oda, Takeshi
Pain, Reynald
Perlmutter, Saul
Rubin, David
Spadafora, Anthony L.
Suzuki, Nao
Takanashi, Naohiro
Totani, Tomonori
Utsunomiya, Hiroyuki
Wang, Lifan
CA Supernova Cosmology Project
TI Subaru FOCAS Spectroscopic Observations of High-Redshift Supernovae
SO PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
LA English
DT Article
DE cosmology: observations; stars: supernovae: general; surveys
ID HUBBLE-SPACE-TELESCOPE; PROBE WMAP OBSERVATIONS; NEWTON DEEP SURVEY; IA
SUPERNOVAE; DARK ENERGY; LEGACY SURVEY; K-CORRECTIONS; LIGHT CURVES;
PRIME FOCUS; CAMERA
AB We present spectra of high-redshift supernovae (SNe) that were taken with the Subaru low-resolution optical spectrograph, FOCAS. These SNe were found in SN surveys with Suprime-Cam on Subaru, the CFH12k camera on the Canada-France-Hawaii Telescope, and the Advanced Camera for Surveys on the Hubble Space Telescope. These SN surveys specifically targeted z > 1 Type la supernovae (SNe Ia). From the spectra of 39 candidates, we obtained redshifts for 32 candidates and spectroscopically identified 7 active candidates as probable SNe Ia, including one at z = 1.35, which is the most distant SN la to be spectroscopically confirmed with a ground-based telescope. An additional 4 candidates were identified as likely SNe la from the spectrophotometric properties of their host galaxies. Seven candidates are not SNe la, either being SNe of another type or active galactic nuclei. When SNe la were observed within one week of the maximum light, we found that we could spectroscopically identify most of them up to z = 1.1. Beyond this redshift, very few candidates were spectroscopically identified as SNe Ia. The current generation of super red-sensitive, fringe-free CCDs will push this redshift limit higher.
C1 [Morokuma, Tomoki; Furusawa, Hisanori; Kashikawa, Nobunari; Takanashi, Naohiro] Natl Astron Observ Japan, Tokyo 1818588, Japan.
[Tokita, Kouichi; Doi, Mamoru; Hayano, Junji; Ihara, Yutaka; Utsunomiya, Hiroyuki] Univ Tokyo, Grad Sch Sci, Inst Astron, Tokyo 1810015, Japan.
[Lidman, Christopher] Stockholm Univ, AlbaNova Univ Ctr, Oskar Klein Ctr, S-10691 Stockholm, Sweden.
[Doi, Mamoru; Yasuda, Naoki] Univ Tokyo, Inst Phys & Math Universe, Chiba 2778582, Japan.
[Yasuda, Naoki; Konishi, Kohki] Univ Tokyo, Inst Cosm Ray Res, Chiba 2778582, Japan.
[Aldering, Greg; Amanullah, Rahman; Barbary, Kyle; Fakhouri, Hannah K.; Goldhaber, Gerson; Meyers, Joshua; Perlmutter, Saul; Rubin, David; Spadafora, Anthony L.; Suzuki, Nao] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Amanullah, Rahman; Goobar, Ariel] Stockholm Univ, Dept Phys, AlbaNova Univ Ctr, S-10691 Stockholm, Sweden.
[Dawson, Kyle] Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA.
[Fadeyev, Vitaliy] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 94064 USA.
[Hattori, Takashi] Natl Astron Observ Japan, Subaru Telescope, Hilo, HI 96720 USA.
[Hook, Isobel M.] Univ Oxford, Dept Phys, Oxford OX1 3RH, England.
[Hook, Isobel M.] Observ Astron Roma, INAF, I-00040 Monte Porzio Catone, RM, Italy.
[Howell, D. Andrew] Global Telescope Network, Las Cumbres Observ, Goleta, CA 93117 USA.
[Howell, D. Andrew] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA.
[Knop, Rob A.] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37240 USA.
[Oda, Takeshi; Totani, Tomonori] Kyoto Univ, Dept Astron, Sakyo Ku, Kyoto 6068502, Japan.
[Pain, Reynald] CNRS, IN2P3, LPNHE, F-75005 Paris, France.
[Pain, Reynald] Univ Paris VI & VII, F-75005 Paris, France.
[Wang, Lifan] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA.
RP Morokuma, T (reprint author), Natl Astron Observ Japan, 2-21-1 Osawa, Tokyo 1818588, Japan.
EM tomoki.morokuma@nao.ac.jp
RI Yasuda, Naoki/A-4355-2011; Perlmutter, Saul/I-3505-2015
OI Perlmutter, Saul/0000-0002-4436-4661
FU Japan Society for the Promotion of Science (JSPS); Oskar Klein Centre at
the University of Stockholm; Ministry of Education, Science, Culture,
and Sports of Japan [15204012, 17104002]; NASA [GO-10496, NAS 5-26555];
U.S. Department of Energy [AC02-05CH11231]
FX We thank an anonymous referee for providing helpful comments and
suggestions. TM and YI are financially supported by the Japan Society
for the Promotion of Science (JSPS) through the JSPS Research
Fellowship. CL acknowledges the financial support from the Oskar Klein
Centre at the University of Stockholm. This work was supported in part
by scientific research grants (Nos. 15204012 and 17104002) from the
Ministry of Education, Science, Culture, and Sports of Japan, and a JSPS
core-to-core program "International Research Network for Dark Energy".
Financial support for this work was provided in part by NASA through
program GO-10496 from the Space Telescope Science Institute, which is
operated by AURA, Inc., under NASA contract NAS 5-26555. This work was
also supported in part by the Director, Office of Science, Office of
High Energy and Nuclear Physics, of the U.S. Department of Energy under
Contract No. AC02-05CH11231. Part of the Suprime-Cam observations were
made during the guaranteed time observation of Suprime-Cam, and we thank
for the Suprime-Cam instrument team. We also appreciate much help by the
SDF and SXDS project team members. We thank Youichi Ohyama, who helped
our observations as a support scientist of FOCAS. Data analysis were in
part carried out on a common-use data analysis computer system at the
Astronomy Data Center, ADC, of the National Astronomical Observatory of
Japan.
NR 62
TC 11
Z9 11
U1 0
U2 4
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0004-6264
EI 2053-051X
J9 PUBL ASTRON SOC JPN
JI Publ. Astron. Soc. Jpn.
PD FEB 25
PY 2010
VL 62
IS 1
BP 19
EP 37
DI 10.1093/pasj/62.1.19
PG 19
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 583ZZ
UT WOS:000276721100005
ER
PT J
AU Ingham, B
Hendy, SC
Fong, DD
Fuoss, PH
Eastman, JA
Lassesson, A
Tee, KC
Convers, PY
Brown, SA
Ryan, MP
Toney, MF
AF Ingham, B.
Hendy, S. C.
Fong, D. D.
Fuoss, P. H.
Eastman, J. A.
Lassesson, A.
Tee, K. C.
Convers, P. Y.
Brown, S. A.
Ryan, M. P.
Toney, M. F.
TI Synchrotron x-ray diffraction measurements of strain in metallic
nanoparticles with oxide shells
SO JOURNAL OF PHYSICS D-APPLIED PHYSICS
LA English
DT Article
ID SURFACE; CLUSTER; SIZE; NANOCLUSTERS; TRANSITION; ENERGY; OXIDATION;
PRESSURE; BEHAVIOR; MODEL
AB We describe synchrotron x-ray diffraction measurements of strain in Cu and Pd metal nanoparticles (1.7-40 nm diameter) both with an air-formed oxide shell and after reduction of the oxide by treatment in a hydrogen-containing atmosphere. Oxide removal is evident from x-ray diffraction (for Cu) and x-ray absorption spectroscopy (for Pd). A simple model that uses bulk elastic properties is applied to each system. In the Pd case the model predictions agree well with the experiment. For Cu the observed strains are much smaller than predicted. This discrepancy is attributed to (a) the presence of multiple grains within the Cu particles and (b) the incoherency of the oxide with the metal core.
C1 [Ingham, B.; Hendy, S. C.] Ind Res Ltd, Lower Hutt 5040, New Zealand.
[Ingham, B.; Hendy, S. C.; Lassesson, A.; Tee, K. C.; Convers, P. Y.; Brown, S. A.] MacDiarmid Inst Adv Mat & Nanotechnol, Wellington 6140, New Zealand.
[Fong, D. D.; Fuoss, P. H.; Eastman, J. A.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Lassesson, A.; Tee, K. C.; Convers, P. Y.; Brown, S. A.] Univ Canterbury, Dept Phys & Astron, Christchurch 8140, New Zealand.
[Ryan, M. P.] Univ London Imperial Coll Sci Technol & Med, Dept Mat, London SW7 2AZ, England.
[Toney, M. F.] Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA 94025 USA.
RP Ingham, B (reprint author), Ind Res Ltd, POB 31-310, Lower Hutt 5040, New Zealand.
EM b.ingham@irl.cri.nz
RI Brown, Simon/C-1014-2008; Hendy, Shaun/A-9776-2008; Eastman,
Jeffrey/E-4380-2011;
OI Brown, Simon/0000-0002-6041-4331; Hendy, Shaun/0000-0003-3468-6517;
Ryan, Mary/0000-0001-8582-3003
FU US Department of Energy, Office of Science, Office of Basic Energy
Sciences [DE-AC02-06CH11357]; New Zealand Foundation for Research,
Science and Technology [C08X0409]
FX The use of the Advanced Photon Source was supported by the US Department
of Energy, Office of Science, Office of Basic Energy Sciences, under
Contract No. DE-AC02-06CH11357. Portions of this research were carried
out at the Stanford Synchrotron Radiation Lightsource, a national user
facility operated by Stanford University on behalf of the US Department
of Energy, Office of Basic Energy Sciences. Funding was provided in part
by the New Zealand Foundation for Research, Science and Technology under
Contract No. C08X0409. The authors wish to thank BESSRC-CAT and Peter
Baldo for beamline support at APS. They also thank Kevin Stevens for
assisting with the Cu XRD experiments.
NR 38
TC 7
Z9 7
U1 0
U2 5
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0022-3727
J9 J PHYS D APPL PHYS
JI J. Phys. D-Appl. Phys.
PD FEB 24
PY 2010
VL 43
IS 7
AR 075301
DI 10.1088/0022-3727/43/7/075301
PG 6
WC Physics, Applied
SC Physics
GA 552UD
UT WOS:000274318200016
ER
PT J
AU Xu, T
Lin, CK
Wang, C
Brewe, DL
Ito, Y
Lu, J
AF Xu, Tao
Lin, Chikai
Wang, Chao
Brewe, Dale L.
Ito, Yasuo
Lu, Jun
TI Synthesis of Supported Platinum Nanoparticles from Li-Pt Solid Solution
SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Article
ID FUEL-CELL ELECTROCATALYSTS; CATALYTIC-ACTIVITY; OXYGEN REDUCTION;
METAL-CLUSTERS; CARBON-BLACKS; IFEFFIT; POLYMER; XAFS; SIZE
AB Platinum nanoparticle catalysts are essential for achieving energy-efficient and greener chemical processes that involve breaking or establishing of H-H, C-H, or O-H bonds. In this work, we report an innovative top-down strategy to prepare the supported Pt nanoparticles with an average size of similar to 2 nm, starting directly from bulk metallic Pt by metallurgical method. Bulk platinum was dissolved in liquid lithium and ruptured into nanoparticles. This Li-Pt liquid alloy was quenched into Li-Pt solid solution. The lithium content was further converted into LiOH. The resulting powder of Pt nanoparticles in LiOH can be mixed with any nonaqueous support materials. Thereafter, the LiOH can be selectively leached off by water, allowing Pt nanoparticles to be adsorbed on the desired support material. Transmission electron microscope and extended X-ray absorption fine structure analyses demonstrated that the as-formed Pt nanoparticles have an average size of around 2 nm. The carbon-supported Pt nanoparticles prepared by this method inherit more characteristics of their bulk counterparts so that high specific catalytic activity of bulk Pt is maintained, which is confirmed by a preliminary electrocatalytic characterization of oxygen reduction reaction (ORR).
C1 [Xu, Tao; Lin, Chikai] No Illinois Univ, Dept Chem & Biochem, De Kalb, IL 60115 USA.
[Wang, Chao] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Brewe, Dale L.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Ito, Yasuo; Lu, Jun] No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA.
RP Xu, T (reprint author), No Illinois Univ, Dept Chem & Biochem, De Kalb, IL 60115 USA.
RI Wang, Chao/F-4558-2012; lin, chikai/D-4986-2014
OI Wang, Chao/0000-0001-7398-2090;
FU U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences [DE-AC02-06CH11357]; NSERC; University of Washington
FX PNC/XOR facilities at the Advanced Photon Source and research at these
facilities are supported by the U.S. Department of Energy - Basic Energy
Sciences, a Major Resources support Grant from NSERC, the University of
Washington. Simon Fraser University, and the Advanced Photon Source Use
of the Advanced Photon Source is also supported by the U.S. Department
of Energy, Office of Science, Office of Basic Energy Sciences under
Contract DE-AC02-06CH11357, The electron microscopy was accomplished at
the Electron Microscopy Center for Materials Research at Argonne
National Laboratory, a U.S. Department of Energy Office of Science
Laboratory operated Under Contract DE-AC02-06CH11357 by UChicago
Argonne, LLC
NR 35
TC 9
Z9 9
U1 2
U2 26
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0002-7863
J9 J AM CHEM SOC
JI J. Am. Chem. Soc.
PD FEB 24
PY 2010
VL 132
IS 7
BP 2151
EP +
DI 10.1021/ja909442c
PG 5
WC Chemistry, Multidisciplinary
SC Chemistry
GA 562WD
UT WOS:000275085100024
PM 20121152
ER
PT J
AU Yim, TJ
Zentgraf, T
Min, B
Zhang, X
AF Yim, Tae-Jin
Zentgraf, Thomas
Min, Bumki
Zhang, Xiang
TI All-Liquid Photonic Microcavity Stabilized by Quantum Dots
SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Article
ID IN-WATER EMULSIONS; MICROSPHERES; CAVITY; PARTICLES; EMISSION; LASER
AB We demonstrate two simple methods to fabricate QD-stabilized toluene microdroplets in water as whispering gallery mode microscale resonators in all all-liquid phase. The toluene microdroplets show size-dependently high Q-factors up to 5100 resulting from the stable QD-loaded microdroplets. The highly QD-stabilized toluene microdroplet resonators in the all-liquid phase would be promising for multiple all-liquid lasers.
C1 [Yim, Tae-Jin; Zentgraf, Thomas; Zhang, Xiang] Univ Calif Berkeley, Nanoscale Sci & Engn Ctr, Berkeley, CA 94720 USA.
[Min, Bumki] Korea Adv Inst Sci & Technol, Dept Mech Engn, Taejon 305701, South Korea.
[Zhang, Xiang] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Zhang, X (reprint author), Univ Calif Berkeley, Nanoscale Sci & Engn Ctr, 3112 Etcheverry Hall, Berkeley, CA 94720 USA.
RI Zhang, Xiang/F-6905-2011; Min, Bumki/A-1294-2007; Zentgraf,
Thomas/G-8848-2013
OI Zentgraf, Thomas/0000-0002-8662-1101
FU US Army Research Office (ARO) [50432-PH-MUR]; NSF Nanoscale Science and
Engineering Center [DMI-0327077]; Alexander von Humboldt Foundation;
National Research Foundation of Korea (NRF), Korea government (MEST)
[2009-0069459]
FX We acknowledge funding support from US Army Research Office (ARO) MURI
program 50432-PH-MUR and partially by the NSF Nanoscale Science and
Engineering Center DMI-0327077. T.Z. acknowledges a fellowship from the
Alexander von Humboldt Foundation B M acknowledges support by the
National Research Foundation of Korea (NRF) grant funded by the Korea
government (MEST) (No 2009-0069459).
NR 22
TC 9
Z9 9
U1 2
U2 26
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0002-7863
J9 J AM CHEM SOC
JI J. Am. Chem. Soc.
PD FEB 24
PY 2010
VL 132
IS 7
BP 2154
EP +
DI 10.1021/ja909483w
PG 5
WC Chemistry, Multidisciplinary
SC Chemistry
GA 562WD
UT WOS:000275085100025
PM 20121091
ER
PT J
AU Pang, Y
Jones, GA
Prantil, MA
Fleming, GR
AF Pang, Yoonsoo
Jones, Garth A.
Prantil, Matthew A.
Fleming, Graham R.
TI Unusual Relaxation Pathway from the Two-Photon Excited First Singlet
State of Carotenoids
SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Article
ID DENSITY-FUNCTIONAL THEORY; LIGHT-HARVESTING COMPLEX; RESOLVED
ABSORPTION-SPECTROSCOPY; RESONANCE RAMAN-SPECTRA; BETA-CAROTENE;
RADICAL-CATION; PHOTOSYSTEM-II; EXCITED-STATES; S-1 STATE;
VIBRATIONAL-SPECTRA
AB Transient infrared and visible absorption measurements along with density functional theory (DFT) calculations on carotenoids B'-apo-beta-caroten-8'-al (1) and 7',7'-dicyano-7'-apo-beta-carotene (II) were used to explore the nature of a long-lived species observed in transient infrared absorption measurements following two-photon excitation (Pang et al. J. Phys. Chem B 2009, 113, 13806) The long-lived species of I has a very strong infrared absorption around 1510 cm(-1) and a visible transient absorption band centered at 760 nm The long-lived species appears on two different time scales of similar to 16 and 140-270 ps The longer rise component is absent in nonpolar solvents DFT calculations using the B3LYP functional and the 6-31G(d) basis set were used to investigate the ground-state potential-energy surface of I and 11 including its conformational isomers, a pi-diradical "kinked" structure, and cation and neutral radicals From the simulated infrared spectra of all the structures considered, we found a close match in the cation radical spectrum to the experimental infrared spectrum of the long-lived species However, the visible absorption band does not match that of the monomeric cation radical On the basis of our experimental and theoretical results, we propose a charge-transfer complex between a carotenoid and a solvent molecule for the origin of the long-lived species formed from the direct two-photon excitation of the S, state
C1 [Fleming, Graham R.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
RP Fleming, GR (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
RI Pang, Yoonsoo/G-9879-2012
OI Pang, Yoonsoo/0000-0002-7291-232X
FU NSF
FX This research was funded by the NSF We thank Prof. Lowell D Kispert For
his generous donation of the 7'.7'dicyano-7'-apo-beta-carotene molecule
and many thoughtful discussions concerning our findings
NR 66
TC 16
Z9 16
U1 3
U2 23
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0002-7863
J9 J AM CHEM SOC
JI J. Am. Chem. Soc.
PD FEB 24
PY 2010
VL 132
IS 7
BP 2264
EP 2273
DI 10.1021/ja908472y
PG 10
WC Chemistry, Multidisciplinary
SC Chemistry
GA 562WD
UT WOS:000275085100041
PM 20104845
ER
PT J
AU Herranz, T
McCarty, KF
Santos, B
Monti, M
de la Figuera, J
AF Herranz, T.
McCarty, K. F.
Santos, B.
Monti, M.
de la Figuera, J.
TI Real Space Observations of Magnesium Hydride Formation and Decomposition
SO CHEMISTRY OF MATERIALS
LA English
DT Article
ID MG FILMS; HYDROGEN; RU(0001); GROWTH; STORAGE
C1 [Herranz, T.; Santos, B.; Monti, M.; de la Figuera, J.] CSIC, Inst Quim Fis Rocasolano, Madrid 28006, Spain.
[McCarty, K. F.] Sandia Natl Labs, Livermore, CA 94550 USA.
[Santos, B.; Monti, M.; de la Figuera, J.] Univ Autonoma Madrid, CMAM, E-28049 Madrid, Spain.
RP de la Figuera, J (reprint author), CSIC, Inst Quim Fis Rocasolano, Madrid 28006, Spain.
RI Herranz, Tirma/A-8656-2008; de la Figuera, Juan/E-7046-2010; McCarty,
Kevin/F-9368-2012;
OI de la Figuera, Juan/0000-0002-7014-4777; McCarty,
Kevin/0000-0002-8601-079X; Monti, Matteo/0000-0003-3595-4472
FU Office of Basic Energy Sciences, Division of Materials and Engineering
Sciences, U.S. DOE [DE-AC04-94AL85000]; Spanish Ministry of Innovation
and Science [MAT2006-13149-C02-02]
FX This research was supported by the Office of Basic Energy Sciences,
Division of Materials and Engineering Sciences, U.S. DOE, under Contract
DE-AC04-94AL85000 and the Spanish Ministry of Innovation and Science
under Project MAT2006-13149-C02-02.
NR 16
TC 2
Z9 2
U1 0
U2 2
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0897-4756
J9 CHEM MATER
JI Chem. Mat.
PD FEB 23
PY 2010
VL 22
IS 4
BP 1291
EP 1293
DI 10.1021/cm903755t
PG 3
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 555RI
UT WOS:000274531300007
ER
PT J
AU Guo, ZS
Zhao, LH
Pei, J
Zhou, ZL
Gibson, G
Brug, J
Lam, S
Mao, SS
AF Guo, Zeng-Shan
Zhao, Lihua
Pei, Jian
Zhou, Zhang-Lin
Gibson, Gary
Brug, James
Lam, Sity
Mao, Samuel S.
TI CdSe/ZnS Nanoparticle Composites with Amine-Functionalized Polyfluorene
Derivatives for Polymeric Light-Emitting Diodes: Synthesis,
Photophysical Properties, and the Electroluminescent Performance
SO MACROMOLECULES
LA English
DT Article
ID THIN-FILM TRANSISTORS; CONJUGATED POLYMERS; SEMICONDUCTING POLYMER;
SOLAR-CELLS; ELECTRON-INJECTION; ENERGY-TRANSFER; POLARIZED
ELECTROLUMINESCENCE; HIGH-EFFICIENCY; BLUE; MORPHOLOGY
AB A series of amine-functionalized poly(9,9-dihexylfluorene) (PFH) derivatives, PFH-NH(2)F-39-1 (P1), PFH-NH(2)F-19-1 (P2), PFH-NH(2)F-9-1 (P3), and PFH-NH(2)F-17-3 (P4), and PFH-NH(2)F-4-1 (P5), were developed to form organic/inorganic hybrid composites with CdSc/ZnS nanoparticle for polymeric light-emitting diodes (LEDs). The structures and purities of all desired polymers were fully characterized by (1)H and (13)C NMR, UV-vis and photoluminescent spectroscopy, gel permeation chromatography, elemental analyses. The hybrid nanocomposites were in situ formed through these amino-functionalized polyfluorene derivatives doped with core-shell CdSe/ZnS quantum dots (QDs). The detailed characterizations of their photophysical properties revealed that rapid Forster energy transfer from the conjugatee polymers to the red-emitting QDs afforded an efficient red color emission. The preliminary polymeric LEDs fabrication with the configuration of ITO/DB/nanocompositcs/Al achieved red emission for the ill Situ prepared hybrid nanocomposites. The investigation of device performance indicates that these nanocomposites are promising red light-emitting polymeric LED materials with good performance in providing excellent color purity, stability, and robustness. Such strategy provides us a platform to achieve red-emitting hybrid nanocomposites as the active materials for LEDs.
C1 [Guo, Zeng-Shan; Pei, Jian] Peking Univ, Coll Chem & Mol Engn, Minist Educ, Key Lab Bioorgan Chem & Mol Engn, Beijing 100871, Peoples R China.
[Zhao, Lihua; Zhou, Zhang-Lin; Gibson, Gary; Brug, James; Lam, Sity] Hewlett Packard Corp, Hewlett Packard Labs, Informat Surfaces Lab, Palo Alto, CA 94304 USA.
[Mao, Samuel S.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Mao, Samuel S.] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA.
RP Pei, J (reprint author), Peking Univ, Coll Chem & Mol Engn, Minist Educ, Key Lab Bioorgan Chem & Mol Engn, Beijing 100871, Peoples R China.
EM jianpei@pku.edu.cn; zhang-lin.zhou@hp.com; ssmao@newton.berkeley.edu
FU Ministry of Science and Technology [2006CB921602, 2009CB-623601];
National Natural Science Foundation of China; Hewlett-Packard Company
FX This work was supported by the Major State Basic Research Development
Program from the Ministry of Science and Technology (nos. 2006CB921602
and 2009CB-623601),ind National Natural Science Foundation of China, and
Hewlett-Packard Company.
NR 59
TC 25
Z9 26
U1 1
U2 32
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0024-9297
J9 MACROMOLECULES
JI Macromolecules
PD FEB 23
PY 2010
VL 43
IS 4
BP 1860
EP 1866
DI 10.1021/ma902573d
PG 7
WC Polymer Science
SC Polymer Science
GA 555QX
UT WOS:000274529800027
ER
PT J
AU Ahn, H
Shin, C
Lee, B
Ryu, DY
AF Ahn, Hyungju
Shin, Changhak
Lee, Byeongdu
Ryu, Du Yeol
TI Phase Transitions of Block Copolymer Film on Homopolymer-Grafted
Substrate
SO MACROMOLECULES
LA English
DT Article
ID ORDER-DISORDER TRANSITION; DIBLOCK COPOLYMER; THIN-FILMS; TRIBLOCK
COPOLYMERS; PERFORATED LAYER; GYROID PHASE; CUBIC PHASE; FDDD PHASE;
MELTS; POLYISOPRENE
AB Morphological transitions such its the order-to-order transition (OOT) and the order-to-disorder transition (ODT) for an asymmetric polystyrene-block-polyisoprene (PS-b-PI) were investigated in bulk and film. The PS-rich block copolymer (BCP) bulk possessed the lamella morphology (LAM), which transformed to the gyroid (GYR) and then disordering (DIS) with increasing temperature. Between the LAM and GYR, a perforated layered structure (PL) and phase mixture (Fddd + GYR) of poorly ordered Fddd and GYR were observed. On the other hand, the film coated on a PS-grafted substrate showed a phase transition from random LAM to epitaxially oriented hexagonally modulated layer (HML) morphology. The HML transformed to GYR with further increasing temperature. The Fddd morphology observed in bulk was not observed at any stage of phase transitions in the film. The BCP film presented not only different OOT pathway but also higher OOT and ODT temperatures. Ill addition, the d-spacings of layers parallel to a substrate were not decreased at all with increasing temperature except when there was a structural transition, suggesting no relaxation of stretched BCP chains that are normal to the film. These results may be correlated dominantly to the interfacial energy between PS block of BCP and PS brushes oil a substrate, which suppresses the compositional fluctuation of BCP in the Film especially along the film normal direction, leading to anisotropic variation of d-spacings.
C1 [Lee, Byeongdu] Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Argonne, IL 60439 USA.
[Ahn, Hyungju; Ryu, Du Yeol] Yonsei Univ, Dept Chem & Biomol Engn, Seoul 120749, South Korea.
RP Lee, B (reprint author), Argonne Natl Lab, Adv Photon Source, Xray Sci Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM blee@anl.gov; dyryu@yonsei.ac.kr
RI Ryu, Du Yeol/G-8278-2012;
OI Lee, Byeongdu/0000-0003-2514-8805
FU National Research Foundation [KRF-2008-D00297]; Ministry of Education,
Science & Technology (MEST), Korea; U.S. Department of Energy; Office of
Science; Office of Basic Energy Sciences [DE-AC02-06CH11357]
FX This work was supported by National Research Foundation
(KRF-2008-D00297) and tile Nuclear R&D Programs funded by the Ministry
of Education, Science & Technology (MEST), Korea. The work at the
Argonne National Laboratory was supported by U.S. Department of Energy,
Office of Science, Office of Basic Energy Sciences, under Contract
DE-AC02-06CH11357. B.L. thanks Dr. Myung Im Kim and Dr. MikihitoTakenaka
for the comments and discussions on Fddd.
NR 43
TC 15
Z9 15
U1 1
U2 17
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0024-9297
J9 MACROMOLECULES
JI Macromolecules
PD FEB 23
PY 2010
VL 43
IS 4
BP 1958
EP 1963
DI 10.1021/ma9022229
PG 6
WC Polymer Science
SC Polymer Science
GA 555QX
UT WOS:000274529800039
ER
PT J
AU Unger, N
Bond, TC
Wang, JS
Koch, DM
Menon, S
Shindell, DT
Bauer, S
AF Unger, Nadine
Bond, Tami C.
Wang, James S.
Koch, Dorothy M.
Menon, Surabi
Shindell, Drew T.
Bauer, Susanne
TI Attribution of climate forcing to economic sectors
SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF
AMERICA
LA English
DT Article
DE global warming; mitigation; air pollution; ozone; aerosols
ID LAND-CARBON SINK; EMISSIONS; AEROSOLS; OZONE; SIMULATIONS; RADIATION;
CLOUDS; IMPACT; MATTER
AB A much-cited bar chart provided by the Intergovernmental Panel on Climate Change displays the climate impact, as expressed by radiative forcing in watts per meter squared, of individual chemical species. The organization of the chart reflects the history of atmospheric chemistry, in which investigators typically focused on a single species of interest. However, changes in pollutant emissions and concentrations are a symptom, not a cause, of the primary driver of anthropogenic climate change: human activity. In this paper, we suggest organizing the bar chart according to drivers of change-that is, by economic sector. Climate impacts of tropospheric ozone, fine aerosols, aerosol-cloud interactions, methane, and long-lived greenhouse gases are considered. We quantify the future evolution of the total radiative forcing due to perpetual constant year 2000 emissions by sector, most relevant for the development of climate policy now, and focus on two specific time points, near-term at 2020 and long-term at 2100. Because sector profiles differ greatly, this approach fosters the development of smart climate policy and is useful to identify effective opportunities for rapid mitigation of anthropogenic radiative forcing.
C1 [Unger, Nadine; Koch, Dorothy M.; Shindell, Drew T.; Bauer, Susanne] NASA, Goddard Inst Space Studies, New York, NY 10025 USA.
[Unger, Nadine; Koch, Dorothy M.; Bauer, Susanne] Columbia Univ, Ctr Climate Syst Res, New York, NY 10025 USA.
[Bond, Tami C.] Univ Illinois, Urbana, IL 61801 USA.
[Wang, James S.] Environm Def Fund, New York, NY 10010 USA.
[Menon, Surabi] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Unger, N (reprint author), NASA, Goddard Inst Space Studies, New York, NY 10025 USA.
EM nunger@giss.nasa.gov
RI Shindell, Drew/D-4636-2012; Bond, Tami/A-1317-2013; Bauer,
Susanne/P-3082-2014; Unger, Nadine/M-9360-2015
OI Bond, Tami/0000-0001-5968-8928;
FU NASA; NASA Center for Computational Sciences
FX This research was supported by the NASA Atmospheric Chemistry Modeling
and Analysis Program (ACMAP). We thank the NASA Center for Computational
Sciences for computing support.
NR 38
TC 102
Z9 103
U1 2
U2 34
PU NATL ACAD SCIENCES
PI WASHINGTON
PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA
SN 0027-8424
J9 P NATL ACAD SCI USA
JI Proc. Natl. Acad. Sci. U. S. A.
PD FEB 23
PY 2010
VL 107
IS 8
BP 3382
EP 3387
DI 10.1073/pnas.0906548107
PG 6
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 563KN
UT WOS:000275130900022
PM 20133724
ER
PT J
AU Gureasko, J
Kuchment, O
Makino, DL
Sondermann, H
Bar-Sagi, D
Kuriyan, J
AF Gureasko, Jodi
Kuchment, Olga
Makino, Debora Lika
Sondermann, Holger
Bar-Sagi, Dafna
Kuriyan, John
TI Role of the histone domain in the autoinhibition and activation of the
Ras activator Son of Sevenless
SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF
AMERICA
LA English
DT Article
DE crystal structure; membrane-binding; PIP2-dependent; SOS
ID PLECKSTRIN HOMOLOGY DOMAIN; NUCLEOTIDE EXCHANGE FACTOR; RECEPTOR
TYROSINE KINASES; NOONAN-SYNDROME; PHOSPHATIDIC-ACID; PHOSPHOLIPASE-D;
PROTEIN; GRB2; BINDING; ASSOCIATION
AB Membrane-bound Ras is activated by translocation of the Son of Sevenless (SOS) protein to the plasma membrane. SOS is inactive unless Ras is bound to an allosteric site on SOS, and the Dbl homology (DH) and Pleckstrin homology (PH) domains of SOS (the DH-PH unit) block allosteric Ras binding. We showed previously that the activity of SOS at the membrane increases with the density of PIP(2) and the local concentration of Ras-GTP, which synergize to release the DH-PH unit. Here we present a new crystal structure of SOS that contains the N-terminal histone domain in addition to the DH-PH unit and the catalytic unit (SOSHDFC, residues 1-1049). The structure reveals that the histone domain plays a dual role in occluding the allosteric site and in stabilizing the autoinhibitory conformation of the DH-PH unit. Additional insight is provided by kinetic analysis of the activation of membrane-bound Ras by mutant forms of SOS that contain mutations in the histone and the PH domains (E108K, C441Y, and E433K) that are associated with Noonan syndrome, a disease caused by hyperactive Ras signaling. Our results indicate that the histone domain and the DH-PH unit are conformationally coupled, and that the simultaneous engagement of the membrane by a PH domain PIP(2)-binding interaction and electrostatic interactions between a conserved positively charged patch on the histone domain and the negatively charged membrane coincides with a productive reorientation of SOS at the membrane and increased accessibility of both Ras binding sites on SOS.
C1 [Gureasko, Jodi; Kuchment, Olga; Makino, Debora Lika; Sondermann, Holger; Kuriyan, John] Univ Calif Berkeley, Dept Chem, Dept Mol & Cell Biol, Berkeley, CA 94720 USA.
[Gureasko, Jodi; Kuchment, Olga; Makino, Debora Lika; Sondermann, Holger; Kuriyan, John] Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA.
[Bar-Sagi, Dafna] NYU, Sch Med, Dept Biochem, New York, NY 10016 USA.
[Kuriyan, John] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
RP Kuriyan, J (reprint author), Univ Calif Berkeley, Dept Chem, Dept Mol & Cell Biol, QB3 Inst,176 Stanley Hall, Berkeley, CA 94720 USA.
EM kuriyan@berkeley.edu
FU NIGMS NIH HHS [R01 GM078266]
NR 38
TC 30
Z9 30
U1 1
U2 10
PU NATL ACAD SCIENCES
PI WASHINGTON
PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA
SN 0027-8424
J9 P NATL ACAD SCI USA
JI Proc. Natl. Acad. Sci. U. S. A.
PD FEB 23
PY 2010
VL 107
IS 8
BP 3430
EP 3435
DI 10.1073/pnas.0913915107
PG 6
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 563KN
UT WOS:000275130900030
PM 20133692
ER
PT J
AU Raha, D
Wang, Z
Moqtaderi, Z
Wu, LF
Zhong, GN
Gerstein, M
Struhl, K
Snyder, M
AF Raha, Debasish
Wang, Zhong
Moqtaderi, Zarmik
Wu, Linfeng
Zhong, Guoneng
Gerstein, Mark
Struhl, Kevin
Snyder, Michael
TI Close association of RNA polymerase II and many transcription factors
with Pol III genes
SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF
AMERICA
LA English
DT Article
DE ChIP-Seq; RNA-Seq; transcription; gene regulation
ID IN-VIVO; C-MYC; INITIATION; PROMOTERS; CELLS; ELONGATION; REVEALS
AB Transcription of the eukaryotic genomes is carried out by three distinct RNA polymerases I, II, and III, whereby each polymerase is thought to independently transcribe a distinct set of genes. To investigate a possible relationship of RNA polymerases II and III, we mapped their in vivo binding sites throughout the human genome by using ChIP-Seq in two different cell lines, GM12878 and K562 cells. Pol III was found to bind near many known genes aswell as several previously unidentified target genes. RNA-Seq studies indicate that a majority of the bound genes are expressed, although a subset are not suggestive of stalling by RNA polymerase III. Pol II was found to bind near many known Pol III genes, including tRNA, U6, HVG, hY, 7SK and previously unidentified Pol III target genes. Similarly, in vivo binding studies also reveal that a number of transcription factors normally associated with Pol II transcription, including c-Fos, c-Jun and c-Myc, also tightly associate with most Pol III transcribed genes. Inhibition of Pol II activity using a-amanitin reduced expression of a number of Pol III genes (e. g., U6, hY, HVG), suggesting that Pol II plays an important role in regulating their transcription. These results indicate that, contrary to previous expectations, polymerases can often work with one another to globally coordinate gene expression.
C1 [Raha, Debasish; Wu, Linfeng; Snyder, Michael] Yale Univ, Dept Mol Cellular & Dev Biol, New Haven, CT 06520 USA.
[Zhong, Guoneng; Gerstein, Mark] Yale Univ, Dept Biochem & Mol Biophys, New Haven, CT 06520 USA.
[Struhl, Kevin] Harvard Univ, Sch Med, Dept Biol Chem & Mol Pharmacol, Boston, MA 02115 USA.
[Wang, Zhong] Joint Genome Inst, Dept Energy, Walnut Creek, CA 94598 USA.
[Snyder, Michael] Stanford Univ, Dept Genet, Stanford, CA 94305 USA.
RP Snyder, M (reprint author), Yale Univ, Dept Mol Cellular & Dev Biol, New Haven, CT 06520 USA.
EM mpsnyder@stanford.edu
RI Wang, Zhong/E-7897-2011
FU National Institutes of Health
FX We thank Youhan Xu, Minyi Shi, and Hannah Monahan Giovanelli for
technical assistance. This work was supported by National Institutes of
Health grants.
NR 27
TC 100
Z9 100
U1 2
U2 9
PU NATL ACAD SCIENCES
PI WASHINGTON
PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA
SN 0027-8424
J9 P NATL ACAD SCI USA
JI Proc. Natl. Acad. Sci. U. S. A.
PD FEB 23
PY 2010
VL 107
IS 8
BP 3639
EP 3644
DI 10.1073/pnas.0911315106
PG 6
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 563KN
UT WOS:000275130900066
PM 20139302
ER
PT J
AU Feroughi, OM
Sternemann, C
Sahle, CJ
Schroer, MA
Sternemann, H
Conrad, H
Hohl, A
Seidler, GT
Bradley, J
Fister, TT
Balasubramanian, M
Sakko, A
Pirkkalainen, K
Hamalainen, K
Tolan, M
AF Feroughi, O. M.
Sternemann, C.
Sahle, Ch. J.
Schroer, M. A.
Sternemann, H.
Conrad, H.
Hohl, A.
Seidler, G. T.
Bradley, J.
Fister, T. T.
Balasubramanian, M.
Sakko, A.
Pirkkalainen, K.
Hamalainen, K.
Tolan, M.
TI Phase separation and Si nanocrystal formation in bulk SiO studied by
x-ray scattering
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE annealing; crystal microstructure; elemental semiconductors;
nanostructured materials; phase separation; silicon; silicon compounds;
X-ray scattering
ID AMORPHOUS-SILICON MONOXIDE; SMALL-ANGLE
AB We present an x-ray scattering study of the temperature-induced phase separation and Si nanocrystal formation in bulk amorphous SiO(x) with x approximate to 1. X-ray Raman scattering at the Si L(II,III)-edge reveals a significant contribution of suboxides present in native amorphous SiO. The suboxide contribution decreases with increasing annealing temperature between 800-1200 degrees C pointing toward a phase separation of SiO into Si and SiO(2) domains. In combination with x-ray diffraction and small angle x-ray scattering the SiO microstructure is found to be dominated by internal suboxide interfaces in the native state. For higher annealing temperatures above 900 degrees C growth of Si nanocrystals with rough surfaces embedded in a silicon oxide matrix can be observed.
C1 [Feroughi, O. M.; Sternemann, C.; Sahle, Ch. J.; Schroer, M. A.; Sternemann, H.; Conrad, H.; Tolan, M.] Tech Univ Dortmund, Fak Phys, DELTA, D-44221 Dortmund, Germany.
[Hohl, A.] Tech Univ Darmstadt, Inst Mat Sci, D-64287 Darmstadt, Germany.
[Seidler, G. T.; Bradley, J.; Fister, T. T.] Univ Washington, Dept Phys, Seattle, WA 98195 USA.
[Fister, T. T.; Balasubramanian, M.] Argonne Natl Lab, Xray Sci Div, Argonne, IL 60439 USA.
[Sakko, A.; Pirkkalainen, K.; Hamalainen, K.] Univ Helsinki, Dept Phys, FI-00014 Helsinki, Finland.
RP Feroughi, OM (reprint author), Tech Univ Dortmund, Fak Phys, DELTA, D-44221 Dortmund, Germany.
EM christian.sternemann@tu-dortmund.de
RI Hamalainen, Keijo/A-3986-2010
OI Hamalainen, Keijo/0000-0002-9234-9810
FU DAAD [313-PPP-SF/08-IK, 1127504]; DFG [TO 169/14-1]; Academy of Finland
[1110571, 1127462]
FX The authors would like to acknowledge APS and DELTA for providing
synchrotron radiation. This work was supported by DAAD (Grant Nos.
313-PPP-SF/08-IK and 1127504), DFG (Grant No. TO 169/14-1) and the
Academy of Finland (Grant Nos. 1110571 and 1127462).
NR 22
TC 24
Z9 24
U1 1
U2 22
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 22
PY 2010
VL 96
IS 8
AR 081912
DI 10.1063/1.3323106
PG 3
WC Physics, Applied
SC Physics
GA 562CP
UT WOS:000275027200027
ER
PT J
AU Grutter, A
Wong, F
Arenholz, E
Liberati, M
Vailionis, A
Suzuki, Y
AF Grutter, Alexander
Wong, Franklin
Arenholz, Elke
Liberati, Marco
Vailionis, Arturas
Suzuki, Yuri
TI Enhanced magnetism in epitaxial SrRuO3 thin films
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE ferromagnetic materials; internal stresses; magnetic epitaxial layers;
magnetic moments; magnetisation; magnetomechanical effects; strontium
compounds
AB We observed enhanced magnetization in epitaxial SrRuO3 thin films compared to previously reported bulk and thin film values. The enhancement is strongly dependent on the orientation of the lattice distortions imposed by (001), (110), and (111) oriented SrTiO3 substrates. A larger magnetization enhancement for coherently strained SrRuO3 films on (111) and (110) oriented SrTiO3 compared to films on (001) SrTiO3 confirms the importance of the strain state in determining the magnetic ground state of the Ru ion. Moreover, SrRuO3 films on (111) SrTiO3 exhibit enhanced moments as high as 3.4 mu(B)/Ru ion, suggesting the stabilization of a high-spin Ru4+ state.
C1 [Grutter, Alexander; Wong, Franklin; Suzuki, Yuri] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA.
[Grutter, Alexander; Suzuki, Yuri] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Arenholz, Elke; Liberati, Marco] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
[Vailionis, Arturas] Stanford Univ, Geballe Lab Adv Mat, Stanford, CA 94305 USA.
RP Grutter, A (reprint author), Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA.
EM alexander.grutter@gmail.com
RI Vailionis, Arturas/C-5202-2008
OI Vailionis, Arturas/0000-0001-5878-1864
FU U.S. Department of Energy [DE-AC02-05CH11231]
FX We would like to thank J. Rondinelli and N. Spaldin for fruitful
discussions and K. M. Yu for his assistance in RBS data collection. This
work and the Advanced Light Source are supported by the Director, Office
of Science, Office of Basic Energy Sciences, of the U.S. Department of
Energy under Contract No. DE-AC02-05CH11231.
NR 14
TC 35
Z9 36
U1 2
U2 30
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 22
PY 2010
VL 96
IS 8
AR 082509
DI 10.1063/1.3327512
PG 3
WC Physics, Applied
SC Physics
GA 562CP
UT WOS:000275027200058
ER
PT J
AU Klie, RF
Yuan, T
Tanase, M
Yang, G
Ramasse, Q
AF Klie, R. F.
Yuan, T.
Tanase, M.
Yang, G.
Ramasse, Q.
TI Direct measurement of ferromagnetic ordering in biaxially strained
LaCoO3 thin films
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE cobalt compounds; electron diffraction; electron energy loss spectra;
ferromagnetic materials; lanthanum compounds; magnetic epitaxial layers;
magnetic semiconductors; magnetic structure; paramagnetic materials;
semiconductor epitaxial layers
ID MAGNETIC CIRCULAR-DICHROISM; X-RAY ABSORPTION; SPIN-STATE; TRANSITION;
RESOLUTION; EELS; OXIDES; COBALT; PHASE
AB LaCoO3 undergoes a transition from a nonmagnetic to a paramagnetic semiconductor at 80 K, associated with a spin-state transition of the Co3+ ions. It was proposed that the temperature of the spin-state transition depends strongly on the LaCoO3 lattice parameter, suggesting that strain can stabilize different spin states at different temperatures. By combining atomic-resolution Z-contrast imaging, electron diffraction, and angular-resolved electron energy-loss spectroscopy (EELS) with in situ cooling experiments, we show that epitaxially strained LaCoO3 (001) thin films grown on LaAlO3 (001) do not undergo a low temperature spin-state transition. Our EELS study explores the origins of the ferromagnetic ordering in strained LaCoO3 films.
C1 [Klie, R. F.; Yuan, T.; Tanase, M.; Yang, G.] Univ Illinois, Dept Phys, Chicago, IL 60607 USA.
[Ramasse, Q.] Univ Calif Berkeley, Lawrence Berkeley Lab, Natl Ctr Electron Microscopy, Berkeley, CA 94720 USA.
RP Klie, RF (reprint author), Univ Illinois, Dept Phys, Chicago, IL 60607 USA.
EM rfklie@uic.edu
RI Yang, Guang/C-9022-2011
OI Yang, Guang/0000-0003-1117-1238
FU National Science Foundation [DMR-0846748]; U.S. Department of Energy
[DE-AC02-05CH11231]
FX The authors thank C. A. Ahn and A. Posadas for the synthesis of the
LaCoO3 films. This research was supported by the National
Science Foundation through a CAREER award (Grant No. DMR-0846748). The
National Center for Electron Microscopy is supported by the Office of
Science, Office of Basic Energy Sciences, of the U.S. Department of
Energy under Contract No. DE-AC02-05CH11231.
NR 27
TC 15
Z9 15
U1 3
U2 48
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 22
PY 2010
VL 96
IS 8
AR 082510
DI 10.1063/1.3336010
PG 3
WC Physics, Applied
SC Physics
GA 562CP
UT WOS:000275027200059
ER
PT J
AU Zybin, SV
Goddard, WA
Xu, P
van Duin, ACT
Thompson, AP
AF Zybin, Sergey V.
Goddard, William A., III
Xu, Peng
van Duin, Adri C. T.
Thompson, Aidan P.
TI Physical mechanism of anisotropic sensitivity in pentaerythritol
tetranitrate from compressive-shear reaction dynamics simulations
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE bonds (chemical); dissociation; explosives; internal stresses; organic
compounds; shock wave effects; thermomechanical treatment
ID ORIENTATION DEPENDENCE; CRYSTAL ORIENTATION; SINGLE-CRYSTALS;
FORCE-FIELD; SHOCK; INITIATION; SYSTEMS; REAXFF; PETN
AB We propose computational protocol (compressive shear reactive dynamics) utilizing the ReaxFF reactive force field to study chemical initiation under combined shear and compressive load. We apply it to predict the anisotropic initiation sensitivity observed experimentally for shocked pentaerythritol tetranitrate single crystals. For crystal directions known to be sensitive we find large stress overshoots and fast temperature increase that result in early bond-breaking processes whereas insensitive directions exhibit small stress overshoot, lower temperature increase, and little bond dissociation. These simulations confirm the model of steric hindrance to shear and capture the thermochemical processes dominating the phenomena of shear-induced chemical initiation.
C1 [Zybin, Sergey V.; Goddard, William A., III; Xu, Peng] CALTECH, Mat & Proc Simulat Ctr, Pasadena, CA 91125 USA.
[van Duin, Adri C. T.] Penn State Univ, Dept Mech & Nucl Engn, University Pk, PA 16802 USA.
[Thompson, Aidan P.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Zybin, SV (reprint author), CALTECH, Mat & Proc Simulat Ctr, Pasadena, CA 91125 USA.
EM wag@wag.caltech.edu
FU ARO [MURI-W911NF-05-1-0345]; ONR [N00014-05-1-0778, N00014-09-1-0634];
DoD/HPCMP Challenge award [ARON27203C3K]
FX This work was supported by ARO (Grant No. MURI-W911NF-05-1-0345) and ONR
(Grant Nos. N00014-05-1-0778 and N00014-09-1-0634). Simulations were
performed at DOD Major Shared Resource Centers under DoD/HPCMP Challenge
award (ARON27203C3K).
NR 22
TC 51
Z9 52
U1 3
U2 25
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0003-6951
EI 1077-3118
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 22
PY 2010
VL 96
IS 8
AR 081918
DI 10.1063/1.3323103
PG 3
WC Physics, Applied
SC Physics
GA 562CP
UT WOS:000275027200033
ER
PT J
AU Fagan, PJ
Voges, MH
Bullock, RM
AF Fagan, Paul J.
Voges, Mark H.
Bullock, R. Morris
TI Catalytic Ionic Hydrogenation of Ketones by {[Cp*Ru(CO)(2)](2)(mu-H)}
SO ORGANOMETALLICS
LA English
DT Article
ID HYDROXYCYCLOPENTADIENYL RUTHENIUM HYDRIDE; TRANSITION-METAL HYDRIDES;
CARBONYL-COMPLEXES; ALCOHOL COMPLEXES; TRITYL CATION; MOLYBDENUM;
LIGAND; DEOXYGENATION; 1,2-PROPANEDIOL; DIHYDROGEN
AB {[Cp*Ru(CO)(2)](2)(mu-H)}+OTf- functions as a homogenous catalyst precursor for hydrogenation of ketones to alcohols, with hydrogenations at 1 mol % catalyst loading at 90 degrees C under H-2 (820 psi) proceeding to completion and providing > 90% yields. Hydrogenation of methyl levulinate generates gamma-valerolactone, presumably by ring-closing of the initially formed alcohol with the methyl ester. Experiments in neat Et2C=O show that the catalyst loading can be <0.1 mol% and that at least 1200 turnovers of the catalyst can be obtained. These reactions are proposed to proceed by an ionic hydrogenation pathway, with the highly acidic dihydrogen complex [Cp*Ru(CO)(2)(eta(2)-H-2)](+) OTf- being formed under the reaction conditions from reaction of H-2 with {[Cp*Ru(CO)(2)]2(mu-H)](+) OTf-
C1 [Voges, Mark H.; Bullock, R. Morris] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
[Bullock, R. Morris] Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99352 USA.
[Fagan, Paul J.] EI DuPont de Nemours & Co Inc, Expt Stn, Cent Res & Dev, Wilmington, DE 19880 USA.
RP Bullock, RM (reprint author), Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
EM morris.bullock@pnl.gov
RI Bullock, R. Morris/L-6802-2016
OI Bullock, R. Morris/0000-0001-6306-4851
FU U.S. Department of Energy [DE-AC02-98CH10886]
FX Research at Brookhaven National Laboratory wits carried Out under
contract DE-AC02-98CH10886 with the U.S. Department of Energy. We thank
the U.S. Department of Energy, Office of Science, Off-ice of Basic
Energy Sciences, Division of Chemical Sciences, Geosciences, and
Biosciences, and the Laboratory Technology Research Program, for
support. Pacific Northwest National Laboratory is operated by Battelle
for the U.S. Department of Energy.
NR 32
TC 18
Z9 19
U1 0
U2 12
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0276-7333
J9 ORGANOMETALLICS
JI Organometallics
PD FEB 22
PY 2010
VL 29
IS 4
BP 1045
EP 1048
DI 10.1021/om901005k
PG 4
WC Chemistry, Inorganic & Nuclear; Chemistry, Organic
SC Chemistry
GA 555RC
UT WOS:000274530400043
ER
PT J
AU Alexandrov, BS
Gelev, V
Bishop, AR
Usheva, A
Rasmussen, KO
AF Alexandrov, B. S.
Gelev, V.
Bishop, A. R.
Usheva, A.
Rasmussen, K. O.
TI DNA breathing dynamics in the presence of a terahertz field
SO PHYSICS LETTERS A
LA English
DT Article
ID RADIATION; DENATURATION; MODEL
AB We consider the influence of a terahertz field on the breathing dynamics of double-stranded DNA. We model the spontaneous formation of spatially localized openings of a damped and driven DNA chain, and find that linear instabilities lead to dynamic dimerization, while true local strand separations require a threshold amplitude mechanism. Based on our results we argue that a specific terahertz radiation exposure may significantly affect the natural dynamics of DNA, and thereby influence intricate molecular processes involved in gene expression and DNA replication. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Alexandrov, B. S.; Bishop, A. R.; Rasmussen, K. O.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Alexandrov, B. S.; Bishop, A. R.; Rasmussen, K. O.] Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA.
[Gelev, V.; Usheva, A.] Harvard Univ, Sch Med, Boston, MA 02215 USA.
RP Alexandrov, BS (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
EM boian@lanl.gov
RI Rasmussen, Kim/B-5464-2009; Alexandrov, Boian/D-2488-2010
OI Rasmussen, Kim/0000-0002-4029-4723; Alexandrov,
Boian/0000-0001-8636-4603
FU US Department of Energy [DE-AC52-06NA25396]; National Institutes of
Health [1101 GM073911]
FX the auspices of the US Department of Energy at Los Alamos National
Laboratory under Contract No. DE-AC52-06NA25396 and it was supported by
the National Institutes of Health (1101 GM073911 to A.U.). We
acknowledge Dr. Voulgarakis for initial discussions regarding the
subject of this work. This research was carried out under
NR 24
TC 57
Z9 63
U1 1
U2 26
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0375-9601
J9 PHYS LETT A
JI Phys. Lett. A
PD FEB 22
PY 2010
VL 374
IS 10
BP 1214
EP 1217
DI 10.1016/j.physleta.2009.12.077
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 571TC
UT WOS:000275777700004
PM 20174451
ER
PT J
AU Chasman, RR
Van Isacker, P
AF Chasman, R. R.
Van Isacker, P.
TI Pair-vibrational states in the presence of neutron-proton pairing
SO PHYSICS LETTERS B
LA English
DT Article
DE n-p pairing; Excited states; Variational configuration interaction
method
AB Pair vibrations are studied for a Hamiltonian with neutron-neutron, proton-proton and neutron-proton pairing. The spectrum is found to be rich in strongly correlated, low-lying excited states. Changing the ratio of diagonal to off-diagonal pairing matrix elements is found to have a large impact on the excited-state spectrum. The variational configuration interaction (VCI) method, used to calculate the excitation spectrum, is found to be in very good agreement with exact solutions for systems with large degeneracies having equal T = 0 and T = 1 pairing strengths. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Chasman, R. R.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
[Van Isacker, P.] Grand Accelerateur Natl Ions Lourds, CNRS, CEA, DSM,IN2P3, F-14076 Caen 5, France.
RP Chasman, RR (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
EM chasman@anl.gov; isacker@ganil.fr
FU Minerva Foundation; U.S. Department of Energy, Office of Nuclear Physics
[DE-AC02-06CH11357]; Agence Nationale de Recherche, France
[ANR-07-BLAN-0256-03]
FX We thank David Jenkins and lain Moore for inviting us to participate in
an ECT* workshop on N = Z nuclei where this collaboration started. We
thank A. Afanasjev for stimulating our interest in T = 0 pairing. We
thank H. Esbensen for a useful discussion on this work. Most of the
calculations were carried out on the jazz computer array at Argonne
National Laboratory and on the Particle Physics Linux Farm at the
Weizmann Institute. R.C. thanks the Minerva Foundation for supporting
his stay at the Dept. of Physics of the Weizmann Institute where much of
this work was done. The work of R.C. is supported by the U.S. Department
of Energy, Office of Nuclear Physics, contract No. DE-AC02-06CH11357;
P.V.I. is in part supported by the Agence Nationale de Recherche,
France, under contract No. ANR-07-BLAN-0256-03.
NR 10
TC 1
Z9 1
U1 0
U2 0
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0370-2693
J9 PHYS LETT B
JI Phys. Lett. B
PD FEB 22
PY 2010
VL 685
IS 1
BP 55
EP 58
DI 10.1016/j.physletb.2010.01.032
PG 4
WC Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 563QO
UT WOS:000275148600010
ER
PT J
AU Gamberg, L
Schlegel, M
AF Gamberg, Leonard
Schlegel, Marc
TI Final state interactions and the transverse structure of the pion using
non-perturbative eikonal methods
SO PHYSICS LETTERS B
LA English
DT Article
DE Transverse momentum parton distributions; Final state interactions
ID GENERALIZED PARTON DISTRIBUTIONS; DEEP-INELASTIC SCATTERING; SINGLE-SPIN
ASYMMETRIES; DRELL-YAN PROCESSES; QUANTUM CHROMODYNAMICS;
ANGULAR-DISTRIBUTIONS; AZIMUTHAL ASYMMETRY; HADRON STRUCTURE;
HARD-SCATTERING; SIVERS FUNCTION
AB In the factorized picture of semi-inclusive hadronic processes the naive time-reversal odd parton distributions exist by virtue of the gauge link which renders it color gauge invariant. The link characterizes the dynamical effect of initial/final-state interactions of the active parton due soft gluon exchanges with the target remnant. Though these interactions are non-perturbative, studies of final-state interaction have been approximated by perturbative one-gluon approximation in Abelian models. We include higher-order gluonic contributions from the gauge link by applying non-perturbative eikonal methods incorporating color degrees of freedom in a calculation of the Boer-Mulders function of the pion. Using this framework we explore under what conditions the Boer-Mulders function can be described in terms of factorization of final state interactions and a spatial distribution in impact parameter space. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Gamberg, Leonard] Penn State Berks, Div Sci, Reading, PA 19610 USA.
[Gamberg, Leonard] Inst Nucl Theory, Seattle, WA 98103 USA.
[Schlegel, Marc] Ctr Theory, Jefferson Lab, Newport News, VA 23606 USA.
RP Gamberg, L (reprint author), Penn State Berks, Div Sci, Reading, PA 19610 USA.
EM lpg10@psu.edu; schlegel@jlab.org
FU Institute For Nuclear Theory; University of Washington; U.S. Department
of Energy [DE-FG02-07ER41460, DE-AC05-06OR23177]
FX We thank D. Boer, S. Brodsky, M. Burkardt, H. Fried, G. Goldstein, S.
Liuti, A. Metz, P.J. Mulders, J.-W. Qiu, O. Teryaev, and H. Weigel for
useful discussions. L.G. is grateful for support from G. Miller and the
Institute For Nuclear Theory, University of Washington where part of
this work was undertaken. L.G. acknowledges support from U.S. Department
of Energy under contract DE-FG02-07ER41460. Authored by Jefferson
Science Associates, LLC under U.S. DOE contract No. DE-AC05-06OR23177.
The U.S. Government retains a non-exclusive, paid-up, irrevocable,
world-wide license to publish or reproduce this manuscript for U.S.
Government purposes.
NR 95
TC 26
Z9 26
U1 0
U2 0
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0370-2693
J9 PHYS LETT B
JI Phys. Lett. B
PD FEB 22
PY 2010
VL 685
IS 1
BP 95
EP 103
DI 10.1016/j.physletb.2009.12.067
PG 9
WC Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 563QO
UT WOS:000275148600016
ER
PT J
AU Bytautas, L
Matsunaga, N
Ruedenberg, K
AF Bytautas, Laimutis
Matsunaga, Nikita
Ruedenberg, Klaus
TI Accurate ab initio potential energy curve of O-2. II. Core-valence
correlations, relativistic contributions, and vibration-rotation
spectrum
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Review
DE ab initio calculations; dissociation energies; electron correlations;
oxygen; potential energy surfaces; relativistic corrections;
rotational-vibrational states; spin-orbit interactions
ID DEGENERATE PERTURBATION-THEORY; SCHUMANN-RUNGE SYSTEM; WAVE-FUNCTIONS;
GROUND-STATE; CONFIGURATION-INTERACTION; MOLECULAR CALCULATIONS;
GAUSSIAN PRIMITIVES; HERZBERG CONTINUUM; OZONE DEFICIT; ORBITAL BASES
AB In the first paper of this series, a very accurate ab initio potential energy curve of the (3)Sigma(-)(g) ground state of O-2 has been determined in the approximation that all valence shell electron correlations were calculated at the complete basis set limit. In the present study, the corrections arising from core electron correlations and relativity effects, viz., spin-orbit coupling and scalar relativity, are determined and added to the potential energy curve. From the 24 points calculated on this curve, an analytical expression in terms of even-tempered Gaussian functions is determined and, from it, the vibrational and rotational energy levels are calculated by means of the discrete variable representation. We find 42 vibrational levels. Experimental data (from the Schumann-Runge band system) only yield the lowest 36 levels due to significant reduction in the transition intensities of higher levels. For the 35 term values G(v), the mean absolute deviation between theoretical and experimental data is 12.8 cm(-1). The dissociation energy with respect to the lowest vibrational energy is calculated within 25 cm(-1) of the experimental value of 41 268.2 +/- 3 cm(-1). The theoretical crossing between the (3)Sigma(-)(g) state and the (1)Sigma(+)(g) state is found to occur at 2.22 A degrees and the spin-orbit coupling in this region is analyzed.
C1 [Bytautas, Laimutis; Ruedenberg, Klaus] Iowa State Univ, US DOE, Dept Chem, Ames, IA 50011 USA.
[Bytautas, Laimutis; Ruedenberg, Klaus] Iowa State Univ, US DOE, Ames Lab, Ames, IA 50011 USA.
[Matsunaga, Nikita] Long Isl Univ, Dept Chem & Biochem, Brooklyn, NY 11201 USA.
RP Bytautas, L (reprint author), Iowa State Univ, US DOE, Dept Chem, Ames, IA 50011 USA.
EM bytautas@scl.ameslab.gov; nikita.matsunaga@liu.edu;
ruedenberg@iastate.edu
FU Division of Chemical Sciences, Office of Basic Energy Sciences, U. S.
Department of Energy [DE-AC02-07CH11358]; Department of Energy
FX The authors thank Dr. Michael W. Schmidt for his lively interest, his
stimulating critique, and his many valuable suggestions. K. R. thanks
Professor R. W. Field for a series of illuminating discussions. The
present work was supported by the Division of Chemical Sciences, Office
of Basic Energy Sciences, U. S. Department of Energy under Contract No.
DE-AC02-07CH11358 with Iowa State University through the Ames
Laboratory. The authors also acknowledge support from the Department of
Energy PCTC program (PI: Mark Gordon).
NR 105
TC 40
Z9 40
U1 3
U2 38
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-9606
J9 J CHEM PHYS
JI J. Chem. Phys.
PD FEB 21
PY 2010
VL 132
IS 7
AR 074307
DI 10.1063/1.3298376
PG 15
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 558PE
UT WOS:000274756000020
PM 20170227
ER
PT J
AU Bytautas, L
Ruedenberg, K
AF Bytautas, Laimutis
Ruedenberg, Klaus
TI Accurate ab initio potential energy curve of O-2. I. Nonrelativistic
full configuration interaction valence correlation by the correlation
energy extrapolation by intrinsic scaling method
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
DE ab initio calculations; configuration interactions; correlation theory;
ground states; oxygen; potential energy surfaces
ID COUPLED-CLUSTER THEORY; HOMONUCLEAR DIATOMIC-MOLECULES; CONSISTENT-FIELD
METHOD; MULTIPLE ACTIVE SPACES; LOW-LYING STATES; ELECTRONIC-STRUCTURE;
OXYGEN MOLECULE; EXCITED-STATES; WAVE-FUNCTIONS; GROUND-STATE
AB The recently introduced method of correlation energy extrapolation by intrinsic scaling is used to calculate the nonrelativistic electron correlations in the valence shell of the O-2 molecule at 24 internuclear distances along the ground state (3)Sigma(-)(g) potential energy curve from 0.9 to 6 A degrees, the equilibrium distance being 1.207 52 A degrees. Using Dunning's correlation-consistent triple- and quadruple-zeta basis sets, the full configuration interaction energies are determined, with an accuracy of about 0.3 mhartree, by successively generating up to sextuple excitations with respect to multiconfigurational reference functions that strongly change along the reaction path. The energies of the reference functions and those of the correlation energies with respect to these reference functions are then extrapolated to their complete basis set limits.
C1 [Bytautas, Laimutis] Iowa State Univ, US DOE, Dept Chem, Ames, IA 50011 USA.
Iowa State Univ, US DOE, Ames Lab, Ames, IA 50011 USA.
RP Bytautas, L (reprint author), Iowa State Univ, US DOE, Dept Chem, Ames, IA 50011 USA.
EM bytautas@scl.ameslab.gov; ruedenberg@iastate.edu
FU Division of Chemical Sciences, Office of Basic Energy Sciences, U. S.
Department of Energy [DE-AC02-07CH11358]; Department of Energy
FX L. B. expresses his deep gratitude to the late Lawrence J. Schaad for
his mentoring friendship as a Ph. D. advisor at Vanderbilt University
and his inspirational introduction to potential energy surfaces. The
authors thank Dr. Michael W. Schmidt for his continued interest, his
assistance with the GAMESS code, his valuable suggestions, and his
stimulating critique. The present work was supported by the Division of
Chemical Sciences, Office of Basic Energy Sciences, U. S. Department of
Energy under Contract No. DE-AC02-07CH11358 with Iowa State University
through the Ames Laboratory. The authors also acknowledge support from
the Department of Energy PCTC program (PI: Mark Gordon).
NR 97
TC 22
Z9 22
U1 3
U2 33
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-9606
J9 J CHEM PHYS
JI J. Chem. Phys.
PD FEB 21
PY 2010
VL 132
IS 7
AR 074109
DI 10.1063/1.3298373
PG 10
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 558PE
UT WOS:000274756000010
PM 20170217
ER
PT J
AU Whitelam, S
Bon, SAF
AF Whitelam, Stephen
Bon, Stefan A. F.
TI Self-assembly of amphiphilic peanut-shaped nanoparticles
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
DE colloids; nanoparticles; self-assembly; surfactants
ID PARTICLES; SYSTEMS; ICOSAHEDRA; COMPONENTS; DYNAMICS; SURFACES;
CLUSTERS; PROTEIN; SIZE
AB We use computer simulation to investigate the self-assembly of Janus-like amphiphilic peanut-shaped nanoparticles, finding phases of clusters, bilayers, and micelles in accord with ideas of packing familiar from the study of molecular surfactants. However, packing arguments do not explain the hierarchical self-assembly dynamics that we observe, nor the coexistence of bilayers and faceted polyhedra. This coexistence suggests that experimental realizations of our model can achieve multipotent assembly of either of two competing ordered structures.
C1 [Whitelam, Stephen] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Bon, Stefan A. F.] Univ Warwick, Dept Chem, Coventry CV4 7AL, W Midlands, England.
RP Whitelam, S (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM swhitelam@lbl.gov
RI Bon, Stefan/C-1992-2009
OI Bon, Stefan/0000-0001-5156-3901
NR 54
TC 21
Z9 21
U1 2
U2 43
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-9606
J9 J CHEM PHYS
JI J. Chem. Phys.
PD FEB 21
PY 2010
VL 132
IS 7
AR 074901
DI 10.1063/1.3316794
PG 8
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 558PE
UT WOS:000274756000038
ER
PT J
AU Qiang, J
AF Qiang, Ji
TI Particle-in-cell/Monte Carlo simulation of ion back bombardment in a
high average current RF photo-gun
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS
SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
LA English
DT Article
DE Photocathode; Ion back bombardment; Particle-in-cell/Monte Carlo
ID ELECTRONS
AB In this paper, we report on study of ion back bombardment in a high average current radio-frequency (RF) photo-gun using a particle-in-cell/Monte Carlo simulation method. Using this method, we systematically studied effects of gas pressure, RF frequency, RF initial phase, electric field profile, magnetic field, laser repetition rate, different ion species on ion particle line density distribution, kinetic energy spectrum, and ion power line density distribution back bombardment onto the photocathode. These simulation results suggest that effects of ion back bombardment could increase linearly with the background gas pressure and laser repetition rate. The RF frequency significantly affects the ion motion inside the gun so that the ion power deposition on the photocathode in an RF gun can be several orders of magnitude lower than that in a DC gun. The ion back bombardment can be minimized by appropriately choosing the electric field profile and the initial phase. (C) 2009 Elsevier B.V. All rights reserved.
C1 Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Qiang, J (reprint author), Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
EM jqiang@lbl.gov
FU U.S. Department of Energy [DE-AC02-05CH11231]
FX We would like to thank J. Corlett, S. Lidia and J. Staple, F. Sannibale
for bringing this subject to the attention of the author, for providing
cavity field profile, and for helpful discussions. This research was
supported by the Office of Science of the U.S. Department of Energy
under Contract no. DE-AC02-05CH11231. This research used resources of
the National Energy Research Scientific Computing Center.
NR 24
TC 2
Z9 2
U1 0
U2 2
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0168-9002
J9 NUCL INSTRUM METH A
JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc.
Equip.
PD FEB 21
PY 2010
VL 614
IS 1
BP 1
EP 9
DI 10.1016/j.nima.2009.12.001
PG 9
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Nuclear; Physics, Particles & Fields
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA 573RC
UT WOS:000275931300001
ER
PT J
AU Xu, YC
Barannikova, O
Bichsel, H
Dong, X
Fachini, P
Fisyak, Y
Kocoloski, A
Mohanty, B
Netrakanti, P
Ruan, LJ
Suarez, MC
Tang, ZB
van Buren, G
Xu, ZB
AF Xu, Yichun
Barannikova, Olga
Bichsel, Hans
Dong, Xin
Fachini, Patricia
Fisyak, Yuri
Kocoloski, Adam
Mohanty, Bedanga
Netrakanti, Pawan
Ruan, Lijuan
Suarez, Maria Cristina
Tang, Zebo
van Buren, Gene
Xu, Zhangbu
TI Improving the dE/dx calibration of the STAR TPC for the high-p(T) hadron
identification
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS
SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
LA English
DT Article
DE TPC; Ionization energy loss; Relativistic rise
ID TRANSVERSE-MOMENTUM; PARTICLE IDENTIFICATION; FRAGMENTATION FUNCTIONS;
D+AU COLLISIONS; SPECTRA; PHYSICS; P+P
AB We derive a method to improve particle identification (PID) at high transverse momentum (p(T)) using the relativistic rise of the ionization energy loss (dE/dx) when charged particles traverse the Time Projection Chamber (TPC) at STAR. Electrons triggered and identified by the Barrel Electro-Magnetic Calorimeter (BEMC), pure protons (anti-protons) and pions from Lambda ((Lambda) over bar), and K-S(0) decays are used to obtain the dE/dx value and its width at given beta gamma=p/m. We found that the deviation of the dE/dx from the Bichsel function can be up to 0.4 sigma (similar to 3%) in p+p collisions at root S-NN=200GeV taken and subsequently calibrated in year 2005. The deviation is approximately a function of beta gamma independent of particle species and can be described with the function f(x) = A+B/(C+x(2)). The deviations obtained with this method are used in the data sample from p+p collision for physics analysis of identified hadron spectra and their correlations up to transverse momentum of 15GeV/c. The ratio of e(-)/e(+) (dominantly from gamma-conversion) is also used to correct for the residual momentum distortion in the STAR TPC. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Xu, Yichun; Fachini, Patricia; Fisyak, Yuri; Ruan, Lijuan; Tang, Zebo; van Buren, Gene; Xu, Zhangbu] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
[Xu, Yichun; Dong, Xin; Tang, Zebo; Xu, Zhangbu] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China.
[Bichsel, Hans] Univ Washington, Nucl Phys Lab, Seattle, WA 98195 USA.
[Dong, Xin] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Kocoloski, Adam] MIT, Cambridge, MA 02139 USA.
[Mohanty, Bedanga] Ctr Variable Energy Cyclotron, Kolkata 700064, India.
[Netrakanti, Pawan] Purdue Univ, W Lafayette, IN 47907 USA.
[Barannikova, Olga; Suarez, Maria Cristina] Univ Illinois, Dept Phys, Chicago, IL 60607 USA.
RP Xu, YC (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
EM xuychun@mail.ustc.edu.cn
RI Tang, Zebo/A-9939-2014; Dong, Xin/G-1799-2014;
OI Tang, Zebo/0000-0002-4247-0081; Dong, Xin/0000-0001-9083-5906; Fisyak,
Yuri/0000-0002-3151-8377
FU U.S. DOE Office of Science; NSFC [10475071, 10805046]; National Natural
Science Foundation of China [10610286, 10610285]; Chinese Academy of
Sciences [KJCX2-YW-AI4]
FX We thank the STAR Collaboration, the RHIC Operations Group and RCF at
BNL, and the NERSC Center at LBNL for their support. This work was
supported in part by the Offices of NP and HEP within the U.S. DOE
Office of Science; Authors Yichun Xu and Zebo Tang are supported in part
by NSFC 10475071, 10805046, National Natural Science Foundation of China
under Grant no. 10610286 (10610285) and Knowledge Innovation Project of
Chinese Academy of Sciences under Grant no. KJCX2-YW-AI4. One of us
(Lijuan Ruan) would like to thank the Battelle Memorial institute and
Stony Brook University for support in the form of the Gertrude and
Maurice Goldhaber Distinguished Fellowship.
NR 24
TC 12
Z9 13
U1 0
U2 6
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0168-9002
EI 1872-9576
J9 NUCL INSTRUM METH A
JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc.
Equip.
PD FEB 21
PY 2010
VL 614
IS 1
BP 28
EP 33
DI 10.1016/j.nima.2009.12.011
PG 6
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Nuclear; Physics, Particles & Fields
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA 573RC
UT WOS:000275931300004
ER
PT J
AU Andreopoulos, C
Bell, A
Bhattacharya, D
Cavanna, F
Dobson, J
Dytman, S
Gallagher, H
Guzowski, P
Hatcher, R
Kehayias, P
Meregaglia, A
Naples, D
Pearce, G
Rubbia, A
Whalley, M
Yang, T
AF Andreopoulos, C.
Bell, A.
Bhattacharya, D.
Cavanna, F.
Dobson, J.
Dytman, S.
Gallagher, H.
Guzowski, P.
Hatcher, R.
Kehayias, P.
Meregaglia, A.
Naples, D.
Pearce, G.
Rubbia, A.
Whalley, M.
Yang, T.
TI The GENIE neutrino Monte Carlo generator
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS
SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
LA English
DT Article
DE Neutrino; Monte Carlo generator; Neutrino interaction; Neutrino-induced
hadronization; Intra-nuclear hadron transport; Rescattering; GENIE;
AGKY; INTRANUKE
ID CHARGED-CURRENT INTERACTIONS; TOTAL CROSS-SECTIONS;
STRANGE-PARTICLE-PRODUCTION; SINGLE-PION-PRODUCTION; ATMOSPHERIC NU
FLUX; MULTIPLICITY DISTRIBUTIONS; ELECTRON-SCATTERING;
HADRON-PRODUCTION; EVENT GENERATOR; HYDROGEN INTERACTIONS
AB GENIE [1] is anew neutrino event generator for the experimental neutrino physics community. The goal of the project is to develop a 'canonical' neutrino interaction physics Monte Carlo whose validity extends to all nuclear targets and neutrino flavors from MeV to PeV energy scales. Currently, emphasis is on the few-GeV energy range, the challenging boundary between the non-perturbative and perturbative regimes, which is relevant for the current and near future long-baseline precision neutrino experiments using accelerator-made beams. The design of the package addresses many challenges unique to neutrino simulations and supports the full life-cycle of simulation and generator-related analysis tasks.
GENIE is a large-scale software system, consisting of similar to 120000 lines of C + + code, featuring a modern object-oriented design and extensively validated physics content. The first official physics release of GENIE was made available in August 2007, and at the time of the writing of this article, the latest available version was v2.4.4. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Andreopoulos, C.; Pearce, G.] STFC, Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
[Bell, A.; Bhattacharya, D.; Dytman, S.; Naples, D.] Univ Pittsburgh, Dept Phys, Pittsburgh, PA 15260 USA.
[Cavanna, F.] Univ Aquila, Dept Phys, I-67100 Laquila, Italy.
[Dobson, J.; Guzowski, P.] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, Dept Phys, London SW7 2BW, England.
[Gallagher, H.; Kehayias, P.] Tufts Univ, Dept Phys, Medford, MA 02155 USA.
[Hatcher, R.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Meregaglia, A.; Rubbia, A.] ETH, Dept Phys, CH-8093 Zurich, Switzerland.
[Meregaglia, A.] IPHC Strasbourg, F-67037 Strasbourg 2, France.
[Whalley, M.] Univ Durham, Dept Phys, Durham DH1 3LE, England.
[Yang, T.] Stanford Univ, Dept Phys, Stanford, CA 94309 USA.
RP Andreopoulos, C (reprint author), STFC, Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
EM costas.andreopoulos@stfc.ac.uk
OI Cavanna, Flavio/0000-0002-5586-9964
FU UK Science and Technology Facilities Council/Rutherford Appleton
Laboratory; US Department of Energy; US National Science Foundation;
Tufts University Summer Scholars Program
FX This work was supported by the UK Science and Technology Facilities
Council/Rutherford Appleton Laboratory, the US Department of Energy, the
US National Science Foundation, and the Tufts University Summer Scholars
Program.; The authors would like to express our gratitude to G. Irwin
(Stanford), B. Viren (Brookhaven Lab), S. Kasahara (Minnesota) and N.
West (Oxford) for contributing to the early stages of the evolution of
GENIE through example, by developing the MINOS offline framework, and
through their inputs and criticisms during the GENIE design reviews.; We
would also like to thank our MINOS collaborators, in particular R. Gran
(UMD), K. Hofmann (Tufts), M. Kim (Pittsburgh), M. Korclosky (UCL), W.A.
Mann (Tufts), J. Morfin (Fermilab) and S. Wojcicki (Stanford), for their
contributions in the development, tuning and validation of the default
set of physics models in GENIE. We would also like to thank E. Paschos
(Dortmund), S. Mashnik (Los Alamos), A. Bodek (Rochester), O. Lalakulich
(Dortmund, Giessen) and T. Leitner (Giessen) for providing important
models and results. We also express our gratitude and recognition to C.
Reed (NIKHEF), K. Scholberg, C. Little, R. Wendell (Duke), A. Habig, R.
Schmidt (UMN Duluth) and D. Markoff (NCCU) for their ongoing effort to
extend the GENIE validity range down to the MeV energy scale.; Also we
would like to thank C. Backhouse (Oxford), S. Boyd (Warwick), J.J. Gomez
Cadenas (IFIC Valencia), Y. Hayato (ICRR), J. Holeczek (Silesia), Z.
Krahn (Minnesota), H. Lee (Rochester), J. Lagoda (L'Aquila), S. Manly
(Rochester), B. Morgan (Warwick), D. Orme (Imperial), G. Perdue
(Fermilab), T. Raufer (RAQ, D. Schmitz (Fermilab), E. Schulte (Rutgers)J
Sobczyk (Wroclaw), A. Sousa (Oxford), J. Spitz (Yale), P. Stamoulis
(Athens), R. Tacik (Regina), H. Tanaka (UBC), I. Taylor (imperial), R.
Terri (QMUL), V. Tvaskis (Victoria), Y. Uchida (imperial), S. Wood
OLAB), S. Zeller (LANL), L Zhu (Hampton) and many others who have used
early versions of GENIE for their help in improving the build system,
fixing bugs, and contributing comments and tools.
NR 140
TC 203
Z9 203
U1 0
U2 0
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0168-9002
J9 NUCL INSTRUM METH A
JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc.
Equip.
PD FEB 21
PY 2010
VL 614
IS 1
BP 87
EP 104
DI 10.1016/j.nima.2009.12.009
PG 18
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Nuclear; Physics, Particles & Fields
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA 573RC
UT WOS:000275931300011
ER
PT J
AU Yu, SW
Chung, BW
Tobin, JG
Komesu, T
Waddill, GD
AF Yu, S-W.
Chung, B. W.
Tobin, J. G.
Komesu, Takashi
Waddill, G. D.
TI A possible way for removing instrumental asymmetries in spin resolved
photoemission with unpolarized light
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS
SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
LA English
DT Article
DE Spin resolved photoemission; Instrumental asymmetries
ID ANALYZER
AB We introduce a new method, a linear subtraction, to eliminate instrumental asymmetries in spin resolved photoemission with excitation by unpolarized light. The new method is applied successfully to analyze the spin polarizations in the valence band and 4d core level photoemission, excited with unpolarized light from a nonmagnetic Pt crystal. It is also tested in the spin analysis of the 2p core level photoemission, generated with circularly polarized X-rays from magnetic Fe. Even though the new method of linear subtraction is applicable for limited cases, it is a very valuable method for removing instrumental asymmetries especially when the helicity flipping, magnetization flipping, and even geometry flipping in spin resolved photoemission experiment are not possible. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Yu, S-W.; Chung, B. W.; Tobin, J. G.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Komesu, Takashi; Waddill, G. D.] Missouri Univ Sci & Technol, Dept Phys, Rolla, MO USA.
RP Yu, SW (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM yu21@llnl.gov
RI Chung, Brandon/G-2929-2012; Tobin, James/O-6953-2015
FU U.S. Department of Energy [DE-AC52-07NA27344]
FX Lawrence Livermore National Laboratory is operated by Lawrence Livermore
National Security, LLC, for the U.S. Department of Energy, National
Nuclear Security Administration under Contract DE-AC52-07NA27344. This
work was supported by the DOE Office of Science, Office of Basic Energy
Science, Division of Materials Science and Engineering, and Campaign
2/WCI/LLNL. The APS has been built and operated under funding from the
Office of Basic Energy Science at DOE. We would like to thank the
scientific and technical staff of Sector 4 of the Advanced Photon Source
for their technical assistance in supporting this work.
NR 16
TC 3
Z9 3
U1 1
U2 4
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0168-9002
J9 NUCL INSTRUM METH A
JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc.
Equip.
PD FEB 21
PY 2010
VL 614
IS 1
BP 145
EP 153
DI 10.1016/j.nima.2009.12.012
PG 9
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Nuclear; Physics, Particles & Fields
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA 573RC
UT WOS:000275931300016
ER
PT J
AU Kazin, EA
Blanton, MR
Scoccimarro, R
McBride, CK
Berlind, AA
Bahcall, NA
Brinkmann, J
Czarapata, P
Frieman, JA
Kent, SM
Schneider, DP
Szalay, AS
AF Kazin, Eyal A.
Blanton, Michael R.
Scoccimarro, Roman
McBride, Cameron K.
Berlind, Andreas A.
Bahcall, Neta A.
Brinkmann, Jon
Czarapata, Paul
Frieman, Joshua A.
Kent, Stephen M.
Schneider, Donald P.
Szalay, Alexander S.
TI THE BARYONIC ACOUSTIC FEATURE AND LARGE-SCALE CLUSTERING IN THE SLOAN
DIGITAL SKY SURVEY LUMINOUS RED GALAXY SAMPLE
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE cosmology: observations; distance scale; galaxies: elliptical and
lenticular, cD; large-scale structure of universe
ID SPECTROSCOPIC TARGET SELECTION; POWER-SPECTRUM ANALYSIS; SURVEY IMAGING
DATA; DATA RELEASE; REDSHIFT SURVEYS; OSCILLATIONS; MATTER; CONSTRAINTS;
PROBE; PEAK
AB We examine the correlation function. of the Sloan Digital Sky Survey Luminous Red Galaxy sample at large scales (60 h(-1) Mpc < s < 400 h(-1) Mpc) using the final data release (DR7). Focusing on a quasi-volume-limited (0.16 < z < 0.36) subsample and utilizing mock galaxy catalogs, we demonstrate that the observed baryonic acoustic peak and larger scale signal are consistent with ACDM at 70%-95% confidence. Fitting data to a non-linear, redshift-space, template-based model, we constrain the peak position at s(p) = 101.7 +/- 3.0 h(-1) Mpc when fitting the range 60 h(-1) Mpc < s < 150 h(-1) Mpc (1 sigma uncertainties). This redshift-space distance s(p) is related to the comoving sound horizon scale r(s) after taking into account matter-clustering non-linearities, redshift distortions, and galaxy-clustering bias. Mock catalogs show that the probability that a DR7-sized sample would not have an identifiable peak is at least similar to 10%. As a consistency check of a fiducial cosmology, we use the observed sp to obtain the distance D(V) = ((1 + z)(2)D(A)(2)cz/H(z))(1/3) relative to the acoustic scale. We find r(s)/D(V)(z = 0.278) = 0.1389 +/- 0.0043. This result is in excellent agreement with Percival et al., who examine roughly the same data set, but use the power spectrum. Comparison with other determinations in the literature are also in very good agreement. The signal of the full sample at 125 h(-1) Mpc < s < 200 h(-1) Mpc tends to be high relative to theoretical expectations; this slight deviation can probably be attributed to sample variance. We have tested our results against a battery of possible systematic effects, finding all effects are smaller than our estimated sample variance.
C1 [Kazin, Eyal A.; Blanton, Michael R.; Scoccimarro, Roman] NYU, Ctr Cosmol & Particle Phys, New York, NY 10003 USA.
[McBride, Cameron K.; Berlind, Andreas A.] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA.
[Bahcall, Neta A.] Princeton Univ, Dept Astrophys Sci, Princeton, NJ 08544 USA.
[Brinkmann, Jon] Apache Point Observ, Sunspot, NM 88349 USA.
[Czarapata, Paul] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Frieman, Joshua A.] Fermilab Natl Accelerator Lab, Ctr Particle Astrophys, Batavia, IL 60510 USA.
[Frieman, Joshua A.] Univ Chicago, Dept Astron & Astrophys, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA.
[Schneider, Donald P.] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA.
[Szalay, Alexander S.] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA.
RP Kazin, EA (reprint author), NYU, Ctr Cosmol & Particle Phys, 4 Washington Pl, New York, NY 10003 USA.
EM eyalkazin@gmail.com
NR 73
TC 145
Z9 145
U1 0
U2 7
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0004-637X
J9 ASTROPHYS J
JI Astrophys. J.
PD FEB 20
PY 2010
VL 710
IS 2
BP 1444
EP 1461
DI 10.1088/0004-637X/710/2/1444
PG 18
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 551TN
UT WOS:000274233300041
ER
PT J
AU Leggett, SK
Burningham, B
Saumon, D
Marley, MS
Warren, SJ
Smart, RL
Jones, HRA
Lucas, PW
Pinfield, DJ
Tamura, M
AF Leggett, S. K.
Burningham, Ben
Saumon, D.
Marley, M. S.
Warren, S. J.
Smart, R. L.
Jones, H. R. A.
Lucas, P. W.
Pinfield, D. J.
Tamura, Motohide
TI MID-INFRARED PHOTOMETRY OF COLD BROWN DWARFS: DIVERSITY IN AGE, MASS,
AND METALLICITY
SO ASTROPHYSICAL JOURNAL
LA English
DT Review
DE brown dwarfs; infrared: stars; stars: low-mass
ID DIGITAL SKY SURVEY; SPITZER-SPACE-TELESCOPE; INFRARED ARRAY CAMERA; STAR
ADAPTIVE OPTICS; EXOPLANET HOST STAR; LARGE-AREA SURVEY; METHANE
T-DWARFS; SPECTRAL CLASSIFICATION; SOLAR NEIGHBORHOOD; ULTRACOOL DWARFS
AB We present new Spitzer Infrared Array Camera (IRAC) photometry of 12 very late-type T dwarfs: nine have [3.6], [4.5], [5.8], and [8.0] photometry and three have [3.6] and [4.5] photometry only. Combining this with previously published photometry, we investigate trends with type and color that are useful for both the planning and interpretation of infrared surveys designed to discover the coldest T or Y dwarfs. The online appendix provides a collation of MKO-system YJHKL'M' and IRAC photometry for a sample of M, L, and T dwarfs. Brown dwarfs with effective temperature (T(eff)) below 700 K emit more than half their flux at wavelengths longer than 3 mu m, and the ratio of the mid-infrared flux to the near-infrared flux becomes very sensitive to T(eff) at these low temperatures. We confirm that the color H (1.6 mu m) - [4.5] is a good indicator of Teff with a relatively weak dependence on metallicity and gravity. Conversely, the colors H - K (2.2 mu m) and [4.5] -[5.8] are sensitive to metallicity and gravity. Thus, near-and mid-infrared photometry provide useful indicators of the fundamental properties of brown dwarfs, and if temperature and gravity are known, then mass and age can be reliably determined from evolutionary models. There are 12 dwarfs currently known with H - [4.5] > 3.0, and 500 K less than or similar to T(eff) less than or similar to 800 K, which we examine in detail. The ages of the dwarfs in the sample range from very young (0.1-1.0 Gyr) to relatively old (3-12 Gyr). The mass range is possibly as low as 5 Jupiter masses to up to 70 Jupiter masses, i.e., near the hydrogen burning limit. The metallicities also span a large range, from [m/H] = -0.3 to [m/H]= +0.3. The small number of T8-T9 dwarfs found in the UK Infrared Telescope Infrared Deep Sky Survey to date appear to be predominantly young low-mass dwarfs. Accurate mid-infrared photometry of cold brown dwarfs is essentially impossible from the ground, and extensions to the mid-infrared space missions, warm-Spitzer and Wide-Field Infrared Survey Explorer, are desirable in order to obtain the vital mid-infrared data for cold brown dwarfs and to discover more of these rare objects.
C1 [Leggett, S. K.] No Operat Ctr, Gemini Observ, Hilo, HI 96720 USA.
[Burningham, Ben; Jones, H. R. A.; Lucas, P. W.; Pinfield, D. J.] Univ Hertfordshire, Ctr Astrophys Res, Sci & Technol Res Inst, Hatfield AL10 9AB, Herts, England.
[Saumon, D.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Marley, M. S.] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA.
[Warren, S. J.] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2AZ, England.
[Smart, R. L.] INAF Osservatorio Astron Torino, I-10025 Pino Torinese, Italy.
[Tamura, Motohide] Natl Inst Nat Sci, Natl Astron Observ Japan, Mitaka, Tokyo 1818588, Japan.
RP Leggett, SK (reprint author), No Operat Ctr, Gemini Observ, 670 N Aohoku Pl, Hilo, HI 96720 USA.
EM sleggett@gemini.edu
RI Marley, Mark/I-4704-2013;
OI Marley, Mark/0000-0002-5251-2943; Burningham, Ben/0000-0003-4600-5627;
Leggett, Sandy/0000-0002-3681-2989; Smart, Richard/0000-0002-4424-4766
FU NASA; Spitzer Space Telescope Theoretical Research Program
FX This work is based on observations made with the Spitzer Space
Telescope, which is operated by the Jet Propulsion Laboratory,
California Institute of Technology under a contract with NASA. Support
for this work was provided by NASA through an award issued by
JPL/Caltech. Support for this work was also provided by the Spitzer
Space Telescope Theoretical Research Program, through NASA. S. K. L.'s
research is supported by the Gemini Observatory, which is operated by
the Association of Universities for Research in Astronomy, Inc., on
behalf of the international Gemini partnership of Argentina, Australia,
Brazil, Canada, Chile, the United Kingdom, and the United States of
America. This research has benefited from the SpeX Prism Spectral
Libraries, maintained by Adam Burgasser at http://www. browndwarfs.
org/spexprism. This research has also benefited from the M, L, and T
dwarf compendium housed at DwarfArchives.org and maintained by
ChrisGelino, Davy Kirkpatrick, and Adam Burgasser. Finally, we are
grateful to John Stauffer for a very helpful referee's report.
NR 121
TC 114
Z9 114
U1 0
U2 5
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0004-637X
J9 ASTROPHYS J
JI Astrophys. J.
PD FEB 20
PY 2010
VL 710
IS 2
BP 1627
EP 1640
DI 10.1088/0004-637X/710/2/1627
PG 14
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 551TN
UT WOS:000274233300056
ER
PT J
AU Sumi, T
Bennett, DP
Bond, IA
Udalski, A
Batista, V
Dominik, M
Fouque, P
Kubas, D
Gould, A
Macintosh, B
Cook, K
Dong, S
Skuljan, L
Cassan, A
Abe, F
Botzler, CS
Fukui, A
Furusawa, K
Hearnshaw, JB
Itow, Y
Kamiya, K
Kilmartin, PM
Korpela, A
Lin, W
Ling, CH
Masuda, K
Matsubara, Y
Miyake, N
Muraki, Y
Nagaya, M
Nagayama, T
Ohnishi, K
Okumura, T
Perrott, YC
Rattenbury, N
Saito, T
Sako, T
Sullivan, DJ
Sweatman, WL
Tristram, PJ
Yock, PCM
Beaulieu, JP
Cole, A
Coutures, C
Duran, MF
Greenhill, J
Jablonski, F
Marboeuf, U
Martioli, E
Pedretti, E
Pejcha, O
Rojo, P
Albrow, MD
Brillant, S
Bode, M
Bramich, DM
Burgdorf, MJ
Caldwell, JAR
Calitz, H
Corrales, E
Dieters, S
Prester, DD
Donatowicz, J
Hill, K
Hoffman, M
Horne, K
Jorgensen, UG
Kains, N
Kane, S
Marquette, JB
Martin, R
Meintjes, P
Menzies, J
Pollard, KR
Sahu, KC
Snodgrass, C
Steele, I
Street, R
Tsapras, Y
Wambsganss, J
Williams, A
Zub, M
Szymanski, MK
Kubiak, M
Pietrzynski, G
Soszynski, I
Szewczyk, O
Wyrzykowski, L
Ulaczyk, K
Allen, W
Christie, GW
DePoy, DL
Gaudi, BS
Han, C
Janczak, J
Lee, CU
McCormick, J
Mallia, F
Monard, B
Natusch, T
Park, BG
Pogge, RW
Santallo, R
AF Sumi, T.
Bennett, D. P.
Bond, I. A.
Udalski, A.
Batista, V.
Dominik, M.
Fouque, P.
Kubas, D.
Gould, A.
Macintosh, B.
Cook, K.
Dong, S.
Skuljan, L.
Cassan, A.
Abe, F.
Botzler, C. S.
Fukui, A.
Furusawa, K.
Hearnshaw, J. B.
Itow, Y.
Kamiya, K.
Kilmartin, P. M.
Korpela, A.
Lin, W.
Ling, C. H.
Masuda, K.
Matsubara, Y.
Miyake, N.
Muraki, Y.
Nagaya, M.
Nagayama, T.
Ohnishi, K.
Okumura, T.
Perrott, Y. C.
Rattenbury, N.
Saito, To
Sako, T.
Sullivan, D. J.
Sweatman, W. L.
Tristram, P. J.
Yock, P. C. M.
Beaulieu, J. P.
Cole, A.
Coutures, Ch
Duran, M. F.
Greenhill, J.
Jablonski, F.
Marboeuf, U.
Martioli, E.
Pedretti, E.
Pejcha, O.
Rojo, P.
Albrow, M. D.
Brillant, S.
Bode, M.
Bramich, D. M.
Burgdorf, M. J.
Caldwell, J. A. R.
Calitz, H.
Corrales, E.
Dieters, S.
Prester, D. Dominis
Donatowicz, J.
Hill, K.
Hoffman, M.
Horne, K.
Jorgensen, U. G.
Kains, N.
Kane, S.
Marquette, J. B.
Martin, R.
Meintjes, P.
Menzies, J.
Pollard, K. R.
Sahu, K. C.
Snodgrass, C.
Steele, I.
Street, R.
Tsapras, Y.
Wambsganss, J.
Williams, A.
Zub, M.
Szymanski, M. K.
Kubiak, M.
Pietrzynski, G.
Soszynski, I.
Szewczyk, O.
Wyrzykowski, L.
Ulaczyk, K.
Allen, W.
Christie, G. W.
DePoy, D. L.
Gaudi, B. S.
Han, C.
Janczak, J.
Lee, C. -U.
McCormick, J.
Mallia, F.
Monard, B.
Natusch, T.
Park, B. -G.
Pogge, R. W.
Santallo, R.
CA MOA Collaboration
PLANET Collaboration
OGLE Collaboration
FUN Collaboration
TI A COLD NEPTUNE-MASS PLANET OGLE-2007-BLG-368Lb: COLD NEPTUNES ARE COMMON
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE gravitational lensing: micro; planetary systems
ID GRAVITATIONAL LENSING EXPERIMENT; SURFACE BRIGHTNESS RELATIONS;
MICROLENSING OPTICAL DEPTH; CLUMP ABSOLUTE MAGNITUDE; EXTRA-SOLAR
PLANETS; GALACTIC DARK HALO; HIGH-MAGNIFICATION; SUPER-EARTHS; DWARF
STARS; IMAGE SUBTRACTION
AB We present the discovery of a Neptune-mass planet OGLE-2007-BLG-368Lb with a planet-star mass ratio of q = [9.5 +/- 2.1] x 10(-5) via gravitational microlensing. The planetary deviation was detected in real-time thanks to the high cadence of the Microlensing Observations in Astrophysics survey, real-time light-curve monitoring and intensive follow-up observations. A Bayesian analysis returns the stellar mass and distance at M(l) = 0.64(-0.26)(+0.21) M(circle dot) and D(l) = 5.9(-1.4)(+ 0.9) kpc, respectively, so the mass and separation of the planet are M(p) = 20(-8)(+7) M(circle plus) and a = 3.3(-0.8)(+1.4) AU, respectively. This discovery adds another cold Neptune-mass planet to the planetary sample discovered by microlensing, which now comprises four cold Neptune/super-Earths, five gas giant planets, and another sub-Saturn mass planet whose nature is unclear. The discovery of these 10 cold exoplanets by the microlensing method implies that the mass ratio function of cold exoplanets scales as dN(pl)/d log q alpha q(-0.7+/-0.2) with a 95% confidence level upper limit of n < -0.35 ( where dN(pl)/d log q alpha q(n)). As microlensing is most sensitive to planets beyond the snow-line, this implies that Neptune-mass planets are at least three times more common than Jupiters in this region at the 95% confidence level.
C1 [Sumi, T.; Abe, F.; Fukui, A.; Furusawa, K.; Itow, Y.; Kamiya, K.; Masuda, K.; Matsubara, Y.; Miyake, N.; Nagaya, M.; Okumura, T.; Sako, T.] Nagoya Univ, Solar Terr Environm Lab, Nagoya, Aichi 4648601, Japan.
[Bennett, D. P.] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA.
[Bond, I. A.; Batista, V.; Skuljan, L.; Lin, W.; Ling, C. H.; Sweatman, W. L.] Massey Univ, Inst Informat & Math Sci, Auckland, New Zealand.
[Udalski, A.; Szymanski, M. K.; Kubiak, M.; Pietrzynski, G.; Soszynski, I.; Ulaczyk, K.] Univ Warsaw Observ, PL-00478 Warsaw, Poland.
[Batista, V.; Kubas, D.; Cassan, A.; Beaulieu, J. P.; Coutures, Ch; Corrales, E.; Dieters, S.; Hill, K.; Marquette, J. B.] Univ Paris 06, CNRS, UMR7095, Inst Astrophys Paris, F-75014 Paris, France.
[Dominik, M.; Pedretti, E.; Horne, K.; Kains, N.] SUPA, Phys & Astron, St Andrews KY16 9SS, Fife, Scotland.
[Fouque, P.] Univ Toulouse 3, CNRS, Astrophys Lab, F-31400 Toulouse, France.
[Kubas, D.] European So Observ, Santiago 19, Chile.
[Gould, A.; Pejcha, O.; Gaudi, B. S.; Janczak, J.; Pogge, R. W.] Ohio State Univ, Dept Astron, Columbus, OH 43210 USA.
[Macintosh, B.; Cook, K.] Lawrence Livermore Natl Lab, IGPP, Livermore, CA 94551 USA.
[Dong, S.] Inst Adv Study, Princeton, NJ 08540 USA.
[Cassan, A.; Wambsganss, J.; Zub, M.] Univ Heidelberg, Zentrum Astron, Astron Rechen Inst, D-69120 Heidelberg, Germany.
[Botzler, C. S.; Perrott, Y. C.; Rattenbury, N.; Yock, P. C. M.] Univ Auckland, Dept Phys, Auckland, New Zealand.
[Hearnshaw, J. B.; Albrow, M. D.; Pollard, K. R.] Univ Canterbury, Dept Phys & Astron, Christchurch 8020, New Zealand.
[Kilmartin, P. M.; Tristram, P. J.] Mt John Observ, Lake Tekapo 8770, New Zealand.
[Korpela, A.; Sullivan, D. J.] Victoria Univ, Sch Chem & Phys Sci, Wellington, New Zealand.
[Muraki, Y.] Konan Univ, Dept Phys, Kobe, Hyogo 6588501, Japan.
[Nagayama, T.] Nagoya Univ, Fac Sci, Dept Phys & Astrophys, Nagoya, Aichi 4648602, Japan.
[Ohnishi, K.] Nagano Natl Coll Technol, Nagano 3818550, Japan.
[Saito, To] Tokyo Metropolitan Coll Ind Technol, Tokyo 1168523, Japan.
[Cole, A.; Greenhill, J.; Dieters, S.; Hill, K.] Univ Tasmania, Sch Math & Phys, Gpo Hobart, Tas 7001, Australia.
[Duran, M. F.; Rojo, P.] Univ Chile, Dept Astron, Santiago, Chile.
[Jablonski, F.; Martioli, E.] Inst Nacl Pesquisas Espaciais, BR-12201 Sao Jose Dos Campos, Brazil.
[Marboeuf, U.] Observ Besancon, F-25010 Besancon, France.
[Bode, M.; Steele, I.] Liverpool John Moores Univ, Astrophys Res Inst, Birkenhead CH41 1LD, Merseyside, England.
[Bramich, D. M.] European So Observ, D-85748 Garching, Germany.
[Burgdorf, M. J.] Univ Stuttgart, Deutsch SOFIA Inst, D-70569 Stuttgart, Germany.
[Burgdorf, M. J.] NASA, Ames Res Ctr, OFIA Sci Ctr, Moffett Field, CA 94035 USA.
[Caldwell, J. A. R.] McDonald Observ, Ft Davis, TX 79734 USA.
[Calitz, H.; Hoffman, M.; Meintjes, P.] Univ Free State, Dept Phys, Boyden Observ, ZA-9300 Bloemfontein, South Africa.
[Prester, D. Dominis] Univ Rijeka, Fac Arts & Sci, Dept Phys, Rijeka 51000, Croatia.
[Donatowicz, J.] Vienna Univ Technol, Dept Comp, A-1060 Vienna, Austria.
[Jorgensen, U. G.] Astron Observ, Niels Bohr Inst, DK-2100 Copenhagen, Denmark.
[Kane, S.] CALTECH, NASA, Exoplanet Sci Inst, Pasadena, CA 91125 USA.
[Martin, R.; Williams, A.] Perth Observ, Perth, WA 6076, Australia.
[Menzies, J.] S African Astron Observ, ZA-7935 Observatory, South Africa.
[Sahu, K. C.] Space Telescope Sci Inst, Baltimore, MD 21218 USA.
[Street, R.; Tsapras, Y.] Global Telescope Network, Las Cumbres Observ, Goleta, CA 93117 USA.
[Pietrzynski, G.; Szewczyk, O.] Univ Concepcion, Dept Fis, Concepcion, Chile.
Univ Cambridge, Inst Astron, Cambridge CB3 0HA, England.
[Wyrzykowski, L.; Allen, W.] Vintage Lane Observ, Blenheim, New Zealand.
[Christie, G. W.] Auckland Observ, Auckland, New Zealand.
[DePoy, D. L.] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA.
[Han, C.] Chungbuk Natl Univ, Inst Basic Sci Res, Dept Phys, Chonju 361763, South Korea.
[Lee, C. -U.; Park, B. -G.] Korea Astron & Space Sci Inst, Taejon 305348, South Korea.
[McCormick, J.] Ctr Backyard Astrophys, Farm Cove Observ, Auckland, New Zealand.
[Mallia, F.] Campo Catino Observ, Guarcino, FR, Italy.
[Monard, B.] Ctr Backyard Astrophys, Bronberg Observ, Pretoria, South Africa.
[Natusch, T.] AUT Univ, Auckland, New Zealand.
[Santallo, R.] So Stars Observ, Tahiti, Fr Polynesia.
RP Sumi, T (reprint author), Nagoya Univ, Solar Terr Environm Lab, Nagoya, Aichi 4648601, Japan.
EM sumi@stelab.nagoya-u.ac.jp; bennett@nd.edu; i.a.bond@massey.ac.nz;
udalski@astrouw.edu.pl; batista@iap.fr; md35@st-andrews.ac.uk;
pfouque@ast.obs-mip.fr; dkubas@iap.fr; gould@astronomy.ohio-state.edu;
dong@ias.edu; l.skuljan@massey.ac.nz; cassan@iap.fr;
abe@stelab.nagoya-u.ac.jp; c.botzler@auckland.ac.nz;
afukui@stelab.nagoya-u.ac.jp; furusawa@stelab.nagoya-u.ac.jp;
itow@stelab.nagoya-u.ac.jp; kkamiya@stelab.nagoya-u.ac.jp;
a.korpela@niwa.co.nz; w.lin@massey.ac.nz; c.h.ling@massey.ac.nz;
kmasuda@stelab.nagoya-u.ac.jp; ymatsu@stelab.nagoya-u.ac.jp;
nmiyake@stelab.nagoya-u.ac.jp; mnagaya@stelab.nagoya-u.ac.jp;
okumurat@stelab.nagoya-u.ac.jp; yper006@aucklanduni.ac.nz;
sako@stelab.nagoya-u.ac.jp; denis.sullivan@vuw.ac.nz;
w.sweatman@massey.ac.nz; p.yock@auckland.ac.nz; beaulieu@iap.fr;
coutures@iap.fr; mburgdorf@sofia.usra.edu; caldwell@astro.as.utexas.edu;
calitzjj.sci@mail.uovs.ac.za; kdh1@st-andrews.ac.uk;
rmartin@physics.uwa.edu.au; ksahu@stsci.edu; rstreet@lcogt.net;
ytsapras@lcogt.net; andrew@physics.uwa.edu.au; msz@astrouw.edu.pl;
mk@astrouw.edu.pl; pietrzyn@astrouw.edu.pl; soszynsk@astrouw.edu.pl;
wyrzykow@ast.cam.ac.uk; kulaczyk@astrouw.edu.pl; whallen@xtra.co.nz;
gwchristie@christie.org.nz; depoy@physics.tamu.edu;
gaudi@astronomy.ohio-state.edu; cheongho@astroph.chungbuk.ac.kr;
leecu@kasi.re.kr; farmcoveobs@xtra.co.nz;
francomallia@campocatinobservatory.org; lagmonar@nmisa.org;
tim.natusch@aut.ac.nz; bgpark@kasi.re.kr;
pogge@astronomy.ohio-state.edu; santallo@southernstars-observatory.org
RI Gaudi, Bernard/I-7732-2012; Dong, Subo/J-7319-2012; Rojo,
Patricio/K-6732-2012; Kane, Stephen/B-4798-2013; Greenhill,
John/C-8367-2013; 7, INCT/H-6207-2013; Astrofisica, Inct/H-9455-2013;
Williams, Andrew/K-2931-2013; Rojo, Patricio/I-5765-2016;
OI Snodgrass, Colin/0000-0001-9328-2905; Cole, Andrew/0000-0003-0303-3855;
Rojo, Patricio/0000-0002-1607-6443; Williams,
Andrew/0000-0001-9080-0105; Dominik, Martin/0000-0002-3202-0343
FU MEXT Japan [18749004, 19015005]; NSF [AST-0708890]; NASA [NNX07AL71G,
NNG04GL51G]; Polish MNiSW [N20303032/4275]; National Research Foundation
of Korea [2009-0081561]; Korea Astronomy and Space Science Institute;
[JSPS18253002]; [JSPS20340052]
FX This work is supported by the grant JSPS18253002 and JSPS20340052 (MOA).
T. S. was supported by MEXT Japan, Grant-in-Aid for Young Scientists
(B), 18749004 and Grant-inAid for Scientific Research on Priority Areas,
"Development of Extra-solar Planetary Science," 19015005. D. P. B. was
supported by grants AST-0708890 from the NSF and NNX07AL71G from NASA.
The OGLE project is partially supported by the Polish MNiSW grant
N20303032/4275 to AU. Work by A. G. was supported by NSF grant
AST-0757888. Work by B. S. G., A. G., and R. P. is supported by NASA
grant NNG04GL51G Dave Warren provided financial support for Mt Canopus
Observatory. C. H. was supported by Creative Research Initiative Program
(2009-0081561) of National Research Foundation of Korea (CH). B.-G. P.
and C.-U. L. were supported by the grant of Korea Astronomy and Space
Science Institute.
NR 84
TC 119
Z9 119
U1 0
U2 11
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0004-637X
J9 ASTROPHYS J
JI Astrophys. J.
PD FEB 20
PY 2010
VL 710
IS 2
BP 1641
EP 1653
DI 10.1088/0004-637X/710/2/1641
PG 13
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 551TN
UT WOS:000274233300057
ER
PT J
AU Aspden, AJ
Bell, JB
Woosley, SE
AF Aspden, A. J.
Bell, J. B.
Woosley, S. E.
TI DISTRIBUTED FLAMES IN TYPE Ia SUPERNOVAE
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE hydrodynamics; methods: numerical; nuclear reactions, nucleosynthesis,
abundances; supernovae: general; turbulence; white dwarfs
ID TURBULENCE; SIMULATIONS; REGIME
AB At a density near a few x 10(7) g cm(-3), the subsonic burning in a Type Ia supernova (SN) enters the distributed regime (high Karlovitz number). In this regime, turbulence disrupts the internal structure of the flame, and so the idea of laminar burning propagated by conduction is no longer valid. The nature of the burning in this distributed regime depends on the turbulent Damkohler number (Da(T)), which steadily declines from much greater than one to less than one as the density decreases to a few x 10(6) g cm(-3). Classical scaling arguments predict that the turbulent flame speed s(T), normalized by the turbulent intensity. u, follows s(T)/u = Da(T)(1/2) for Da(T) less than or similar to 1. The flame in this regime is a single turbulently broadened structure that moves at a steady speed, and has a width larger than the integral scale of the turbulence. The scaling is predicted to break down at Da(T) approximate to 1, and the flame burns as a turbulently broadened effective unity Lewis number flame. This flame burns locally with speed s. and width l., and we refer to this kind of flame as lambda-flame. The burning becomes a collection of lambda-flames spread over a region approximately the size of the integral scale. While the total burning rate continues to have a well-defined average, s(T) similar to u, the burning is unsteady. We present a theoretical framework, supported by both one-dimensional and three-dimensional numerical simulations, for the burning in these two regimes. Our results indicate that the average value of s(T) can actually be roughly twice u for Da(T) greater than or similar to 1, and that localized excursions to as much as 5 times. u can occur. We also explore the properties of the individual flames, which could be sites for a transition to detonation when Da(T) similar to 1. The lambda-flame speed and width can be predicted based on the turbulence in the star (specifically the energy dissipation rate epsilon*) and the turbulent nuclear burning timescale of the fuel tau(T)(nuc) . We propose a practical method for measuring s(lambda) and l(lambda) based on the scaling relations and small-scale computationally inexpensive simulations. This suggests that a simple turbulent flame model can be easily constructed suitable for large-scale distributed SNe flames. These results will be useful both for characterizing the deflagration speed in larger full-star simulations, where the flame cannot be resolved, and for predicting when detonation occurs.
C1 [Aspden, A. J.; Bell, J. B.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Woosley, S. E.] Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA 95064 USA.
RP Aspden, AJ (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd,MS 50A-1148, Berkeley, CA 94720 USA.
RI Aspden, Andy/A-7391-2017
OI Aspden, Andy/0000-0002-2970-4824
FU Berkeley National Laboratory [DE-AC02-05CH11231]; U.S. Department of
Energy [DE-AC02-05CH11231]; NASA [NNX09AK36G]; DOE [DE-FC02-06ER41438]
FX Support for A. J. A. was provided by a Seaborg Fellowship at Lawrence
Berkeley National Laboratory under contract no. DE-AC02-05CH11231. The
work of J. B. B. was supported by the Applied Mathematics Research
Program of the U.S. Department of Energy under contract no.
DE-AC02-05CH11231. At UCSC this research has been supported by the NASA
Theory Program NNX09AK36G and the DOE SciDAC Program
(DE-FC02-06ER41438). The computations presented here were performed on
the ATLAS Linux Cluster at LLNL as part of a Grand Challenge Project.
The authors are grateful to Alan Kerstein and Vaidya Sankaran for
providing the LEM code used in our study and for assisting with its
adaptation to astrophysics. We especially thank Alan for his many
insights into turbulent flame physics and the interpretation of LEM
results.
NR 19
TC 22
Z9 22
U1 0
U2 3
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0004-637X
J9 ASTROPHYS J
JI Astrophys. J.
PD FEB 20
PY 2010
VL 710
IS 2
BP 1654
EP 1663
DI 10.1088/0004-637X/710/2/1654
PG 10
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 551TN
UT WOS:000274233300058
ER
PT J
AU Heerikhuisen, J
Pogorelov, NV
Zank, GP
Crew, GB
Frisch, PC
Funsten, HO
Janzen, PH
McComas, DJ
Reisenfeld, DB
Schwadron, NA
AF Heerikhuisen, J.
Pogorelov, N. V.
Zank, G. P.
Crew, G. B.
Frisch, P. C.
Funsten, H. O.
Janzen, P. H.
McComas, D. J.
Reisenfeld, D. B.
Schwadron, N. A.
TI PICK-UP IONS IN THE OUTER HELIOSHEATH: A POSSIBLE MECHANISM FOR THE
INTERSTELLAR BOUNDARY EXPLORER RIBBON (vol 708, pg L126, 2010)
SO ASTROPHYSICAL JOURNAL LETTERS
LA English
DT Correction
C1 [Heerikhuisen, J.; Pogorelov, N. V.; Zank, G. P.] Univ Alabama, Dept Phys, Huntsville, AL 35899 USA.
[Heerikhuisen, J.; Pogorelov, N. V.; Zank, G. P.] Univ Alabama, Ctr Space Phys & Aeron Res, Huntsville, AL 35899 USA.
[Crew, G. B.] MIT, Kavli Inst Astrophys & Space Res, Cambridge, MA 02139 USA.
[Frisch, P. C.] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA.
[Funsten, H. O.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Janzen, P. H.; Reisenfeld, D. B.] Univ Montana, Missoula, MT 59812 USA.
[McComas, D. J.] SW Res Inst, San Antonio, TX 78228 USA.
[McComas, D. J.] Univ Texas San Antonio, San Antonio, TX 78249 USA.
[Schwadron, N. A.] Boston Univ, Boston, MA 02215 USA.
RP Heerikhuisen, J (reprint author), Univ Alabama, Dept Phys, Huntsville, AL 35899 USA.
EM jacob.heerikhuisen@uah.edu
RI Funsten, Herbert/A-5702-2015; Reisenfeld, Daniel/F-7614-2015;
OI Funsten, Herbert/0000-0002-6817-1039; Heerikhuisen,
Jacob/0000-0001-7867-3633
NR 1
TC 3
Z9 3
U1 0
U2 3
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 2041-8205
J9 ASTROPHYS J LETT
JI Astrophys. J. Lett.
PD FEB 20
PY 2010
VL 710
IS 2
BP L172
EP L172
DI 10.1088/2041-8205/710/2/L172
PG 1
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 567BR
UT WOS:000275417800015
ER
PT J
AU Adams, T
Batra, P
Bugel, L
Camilleri, L
Conrad, JM
De Gouvea, A
Fisher, PH
Formaggio, JA
Jenkins, J
Karagiorgi, G
Kobilarcik, TR
Kopp, S
Kyle, G
Loinaz, WA
Mason, DA
Milner, R
Moore, R
Morfin, JG
Nakamura, M
Naples, D
Nienaber, P
Olness, FI
Owens, JF
Pate, SF
Pronin, A
Seligman, WG
Shaevitz, MH
Schellman, H
Schienbein, I
Syphers, MJ
Tait, TMP
Takeuchi, T
Tan, CY
Van De Water, RG
Yamamoto, RK
Yu, JY
AF Adams, T.
Batra, P.
Bugel, L.
Camilleri, L.
Conrad, J. M.
De Gouvea, A.
Fisher, P. H.
Formaggio, J. A.
Jenkins, J.
Karagiorgi, G.
Kobilarcik, T. R.
Kopp, S.
Kyle, G.
Loinaz, W. A.
Mason, D. A.
Milner, R.
Moore, R.
Morfin, J. G.
Nakamura, M.
Naples, D.
Nienaber, P.
Olness, F. I.
Owens, J. F.
Pate, S. F.
Pronin, A.
Seligman, W. G.
Shaevitz, M. H.
Schellman, H.
Schienbein, I.
Syphers, M. J.
Tait, T. M. P.
Takeuchi, T.
Tan, C. Y.
Van De Water, R. G.
Yamamoto, R. K.
Yu, J. Y.
TI QCD PRECISION MEASUREMENTS AND STRUCTURE FUNCTION EXTRACTION AT A HIGH
STATISTICS, HIGH ENERGY NEUTRINO SCATTERING EXPERIMENT: NuSOnG
SO INTERNATIONAL JOURNAL OF MODERN PHYSICS A
LA English
DT Article
DE Neutrino scattering on glass
ID DEEP-INELASTIC SCATTERING; CHARGE-SYMMETRY VIOLATION; DIFFERENTIAL
CROSS-SECTIONS; STRANGE-QUARK CONTRIBUTIONS; OPPOSITE-SIGN DIMUONS;
NUCLEONS FORM-FACTORS; PARTON DISTRIBUTIONS; FERMILAB TEVATRON;
P(P)OVER-BAR COLLISIONS; ELECTRON-SCATTERING
AB We extend the physics case for a new high-energy, ultra-high statistics neutrino scattering experiment, NuSOnG (Neutrino Scattering On Glass) to address a variety of issues including precision QCD measurements, extraction of structure functions, and the derived Parton Distribution Functions (PDF's). This experiment uses a Tevatron-based neutrino beam to obtain a sample of Deep Inelastic Scattering (DIS) events which is over two orders of magnitude larger than past samples. We outline an innovative method for fitting the structure functions using a parametrized energy shift which yields reduced systematic uncertainties. High statistics measurements, in combination with improved systematics, will enable NuSOnG to perform discerning tests of fundamental Standard Model parameters as we search for deviations which may hint of "Beyond the Standard Model" physics.
C1 [Adams, T.; Owens, J. F.] Florida State Univ, Tallahassee, FL 32306 USA.
[Loinaz, W. A.] Amherst Coll, Amherst, MA 01002 USA.
[Tait, T. M. P.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Pronin, A.] Cent Coll, Pella, IA 50219 USA.
[Batra, P.; Bugel, L.; Camilleri, L.; Seligman, W. G.; Shaevitz, M. H.] Columbia Univ, New York, NY 10027 USA.
[Kobilarcik, T. R.; Mason, D. A.; Moore, R.; Morfin, J. G.; Syphers, M. J.; Tan, C. Y.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Jenkins, J.; Van De Water, R. G.] Los Alamos Natl Accelerator Lab, Los Alamos, NM 87545 USA.
[Schienbein, I.] Univ Grenoble 1, LPSC, F-38026 St Martin Dheres, France.
[Conrad, J. M.; Fisher, P. H.; Formaggio, J. A.; Milner, R.; Yamamoto, R. K.] MIT, Cambridge, MA 02139 USA.
[Nakamura, M.] Nagoya Univ, Nagoya, Aichi 46401, Japan.
[Kyle, G.; Pate, S. F.] New Mexico State Univ, Las Cruces, NM 88003 USA.
[De Gouvea, A.; Schellman, H.; Tait, T. M. P.] Northwestern Univ, Evanston, IL 60208 USA.
[Naples, D.] Univ Pittsburgh, Pittsburgh, PA 15260 USA.
[Nienaber, P.] St Marys Univ Minnesota, Winona, MN 55987 USA.
[Yu, J. Y.] So Methodist Univ, Dallas, TX 75205 USA.
[Kopp, S.] Univ Texas Austin, Austin, TX 78712 USA.
[Takeuchi, T.] Virginia Tech, Blacksburg, VA 24061 USA.
RP Adams, T (reprint author), Florida State Univ, Tallahassee, FL 32306 USA.
EM olness@smu.edu
OI Takeuchi, Tatsu/0000-0002-3594-5149; Loinaz,
William/0000-0001-7501-5002; Van de Water, Richard/0000-0002-1573-327X
FU Deutsche Forschungsgemeinschaft; Kavli Institute for Theoretical
Physics; United States Department of Energy; United States National
Science Foundation
FX We thank the following people for their informative discussions
regarding neutrino nucleus interactions, and their thoughtful comments
on the development of this physics case: Andrei Kataev, Sergey Kulagin,
P. Langacker, Roberto Petti, M. Shaposhnikov, F. Vannucci and J. Wells.
We acknowledge the support of the following funding agencies for the
authors of this paper: Deutsche Forschungsgemeinschaft, The Kavli
Institute for Theoretical Physics, The United States Department of
Energy and The United States National Science Foundation.
NR 105
TC 2
Z9 2
U1 0
U2 2
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA 5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE
SN 0217-751X
J9 INT J MOD PHYS A
JI Int. J. Mod. Phys. A
PD FEB 20
PY 2010
VL 25
IS 5
BP 909
EP 949
DI 10.1142/S0217751X10047828
PG 41
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 567TE
UT WOS:000275468700002
ER
PT J
AU Colella, P
Norgaard, PC
AF Colella, Phillip
Norgaard, Peter C.
TI Controlling self-force errors at refinement boundaries for AMR-PIC
SO JOURNAL OF COMPUTATIONAL PHYSICS
LA English
DT Article
DE Particle-in-cell methods; Adaptive mesh refinement; Self-forces
ID POISSONS-EQUATION; MESH
AB We analyze the source of the self-force errors in the node-centered adaptive-mesh-refinement particle-in-cell (AMR-PIC) algorithm and propose a method for reducing those self-forces. Our approach is based on a method of charge deposition due to Mayo [A. Mayo, The fast solution of Poisson's and the biharmonic equations on irregular regions, SIAM of Numerical Analysis 21(2) (1984) 285-299] that can reduce the self-force error to any specified degree of accuracy. (C) 2009 Elsevier Inc. All rights reserved.
C1 [Colella, Phillip] Univ Calif Berkeley, Lawrence Berkeley Lab, Appl Numer Algorithms Grp, Berkeley, CA 94720 USA.
[Norgaard, Peter C.] Princeton Univ, Dept Mech & Aerosp Engn, Princeton, NJ 08540 USA.
RP Colella, P (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Appl Numer Algorithms Grp, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM pcolella@lbl.gov; norgaard@princeton.edu
FU US Department of Energy Office [DE-AC02-05CH11231, DE-FG02-97ER25308]
FX We would like to acknowledge many helpful discussions with Alex Friedman
at LLNL and Jean-Luc Vay at LBNL and in particular for suggesting
several of the test problems used here for evaluating the self-force
errors. Work at LBNL was supported by the US Department of Energy Office
of Advanced Scientific Computing Research under contract number
DE-AC02-05CH11231. PCN was supported by the US Department of Energy
Computational Sciences Graduate Fellowship Program under grant number
DE-FG02-97ER25308.
NR 9
TC 11
Z9 11
U1 1
U2 6
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9991
J9 J COMPUT PHYS
JI J. Comput. Phys.
PD FEB 20
PY 2010
VL 229
IS 4
BP 947
EP 957
DI 10.1016/j.jcp.2009.07.004
PG 11
WC Computer Science, Interdisciplinary Applications; Physics, Mathematical
SC Computer Science; Physics
GA 555WJ
UT WOS:000274547000001
ER
PT J
AU Johnsen, E
Larsson, J
Bhagatwala, AV
Cabot, WH
Moin, P
Olson, BJ
Rawat, PS
Shankar, SK
Sjogreen, B
Yee, HC
Zhong, XL
Lele, SK
AF Johnsen, Eric
Larsson, Johan
Bhagatwala, Ankit V.
Cabot, William H.
Moin, Parviz
Olson, Britton J.
Rawat, Pradeep S.
Shankar, Santhosh K.
Sjoegreen, Bjoern
Yee, H. C.
Zhong, Xiaolin
Lele, Sanjiva K.
TI Assessment of high-resolution methods for numerical simulations of
compressible turbulence with shock waves
SO JOURNAL OF COMPUTATIONAL PHYSICS
LA English
DT Article
DE Compressible turbulence; Direct numerical simulation; Large-eddy
simulation; High-resolution methods; Shock-capturing; Hybrid methods;
Artificial diffusivity methods; Adaptive characteristic-based filters;
Shock fitting
ID LARGE-EDDY SIMULATION; RUNGE-KUTTA SCHEMES; HIGH-ORDER METHODS;
CAPTURING SCHEMES; EFFICIENT IMPLEMENTATION; COMPUTATIONAL ACOUSTICS;
DIFFERENCE-SCHEMES; EULER EQUATIONS; LOW-DISSIPATION; GAS-DYNAMICS
AB Flows in which shock waves and turbulence are present and interact dynamically occur in a wide range of applications, including inertial confinement fusion, supernovae explosion, and scramjet propulsion. Accurate simulations of such problems are challenging because of the contradictory requirements of numerical methods used to simulate turbulence, which must minimize any numerical dissipation that would otherwise overwhelm the small scales, and shock-capturing schemes, which introduce numerical dissipation to stabilize the solution. The objective of the present work is to evaluate the performance of several numerical methods capable of simultaneously handling turbulence and shock waves. A comprehensive range of high-resolution methods (WENO, hybrid WENO/central difference, artificial diffusivity, adaptive characteristic-based filter, and shock fitting) and suite of test cases (Taylor-Green vortex, Shu-Osher problem, shock-vorticity/entropy wave interaction, Noh problem, compressible isotropic turbulence) relevant to problems with shocks and turbulence are considered. The results indicate that the WENO methods provide sharp shock profiles, but overwhelm the physical dissipation. The hybrid method is minimally dissipative and leads to sharp shocks and well-resolved broadband turbulence, but relies on an appropriate shock sensor. Artificial diffusivity methods in which the artificial bulk viscosity is based on the magnitude of the strain-rate tensor resolve vortical structures well but damp dilatational modes in compressible turbulence; dilatation-based artificial bulk viscosity methods significantly improve this behavior. For well-defined shocks, the shock fitting approach yields good results. (C) 2009 Elsevier Inc. All rights reserved.
C1 [Johnsen, Eric; Larsson, Johan; Moin, Parviz] Stanford Univ, Ctr Turbulence Res, Stanford, CA 94305 USA.
[Bhagatwala, Ankit V.; Olson, Britton J.; Shankar, Santhosh K.; Lele, Sanjiva K.] Stanford Univ, Dept Aeronaut & Astronaut, Stanford, CA 94305 USA.
[Cabot, William H.; Sjoegreen, Bjoern] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
[Rawat, Pradeep S.; Zhong, Xiaolin] Univ Calif Los Angeles, Dept Mech & Aerosp Engn, Los Angeles, CA 90095 USA.
[Yee, H. C.] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA.
RP Johnsen, E (reprint author), Stanford Univ, Ctr Turbulence Res, Stanford, CA 94305 USA.
EM johnsen@stanford.edu; jola@stanford.edu
RI Larsson, Johan/B-9543-2017
OI Larsson, Johan/0000-0001-8387-1933
FU DOE-Sci-DAC [DE-FC02-06-ER25787]
FX The authors wish to thank Dr. A. Cook for his help in defining the test
problems and for discussions of the results, and Dr. S. Kawai and Dr. A.
Mani for insightful conversations on artificial diffusivity methods.
This work was supported by DOE-Sci-DAC (Grant DE-FC02-06-ER25787).
NR 51
TC 86
Z9 93
U1 1
U2 42
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9991
J9 J COMPUT PHYS
JI J. Comput. Phys.
PD FEB 20
PY 2010
VL 229
IS 4
BP 1213
EP 1237
DI 10.1016/j.jcp.2009.10.028
PG 25
WC Computer Science, Interdisciplinary Applications; Physics, Mathematical
SC Computer Science; Physics
GA 555WJ
UT WOS:000274547000013
ER
PT J
AU Cizek, K
Prior, C
Thammakhet, C
Galik, M
Linker, K
Tsui, R
Cagan, A
Wake, J
La Belle, J
Wang, J
AF Cizek, Karel
Prior, Chad
Thammakhet, Chongdee
Galik, Michal
Linker, Kevin
Tsui, Ray
Cagan, Avi
Wake, John
La Belle, Jeff
Wang, Joseph
TI Integrated explosive preconcentrator and electrochemical detection
system for 2,4,6-trinitrotoluene (TNT) vapor
SO ANALYTICA CHIMICA ACTA
LA English
DT Article
DE Trinitrotoluene; Vapor detection; Screen-printed electrodes; Explosive
detection
ID NATURAL-WATERS; SENSOR
AB This article reports on an integrated explosive-preconcentration/electrochemical detection system for 2,4,6-trinitrotoluene (TNT) vapor. The challenges involved in such system integration are discussed. A hydrogel-coated screen-printed electrode is used for the detection of the thermally desorbed TNT from a preconcentration device using rapid square wave voltammetry. Optimization of the preconcentration system for desorption of TNT and subsequent electrochemical detection was conducted yielding a desorption temperature of 120 degrees C under a flow rate of 500 mL min(-1). Such conditions resulted in a characteristic electrochemical signal for TNT representing the multi-step reduction process. Quantitative measurement produced a linear signal dependence on TNT quantity exposed to the preconcentrator from 0.25 to 10 mu g. Finally, the integrated device was Successfully demonstrated using a sample of solid TNT located upstream of the preconcentrator. (C) 2009 Elsevier B.V. All rights reserved
C1 [Cizek, Karel; Prior, Chad; Galik, Michal; Wang, Joseph] Univ Calif San Diego, Dept Nanoengn, La Jolla, CA 92093 USA.
[Thammakhet, Chongdee] Prince Songkla Univ, Dept Chem, Hat Yai 90112, Songkhla, Thailand.
[Linker, Kevin] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Tsui, Ray] Motorola Inc, Appl Res & Technol Ctr, Tempe, AZ 85284 USA.
[Cagan, Avi; Wake, John; La Belle, Jeff] Arizona State Univ, Biodesign Inst, Tempe, AZ 85287 USA.
[Cagan, Avi; Wake, John; La Belle, Jeff] Arizona State Univ, Dept Chem Engn, Tempe, AZ 85287 USA.
[Cagan, Avi; Wake, John; La Belle, Jeff] Arizona State Univ, Dept Chem, Tempe, AZ 85287 USA.
RP Wang, J (reprint author), Univ Calif San Diego, Dept Nanoengn, La Jolla, CA 92093 USA.
EM josephwang@ucsd.edu
RI Galik, Michal/E-1954-2011; Wang, Joseph/C-6175-2011
FU National Consortium for MASINT Research; Motorola, Inc.
FX This research is supported by the National Consortium for MASINT
Research, a Division of the Intelligence Community's National MASINT
Management Office. The Support of Motorola, Inc. is also acknowledged.
Thanks also to Prof. William Trogler for providing the solid TNT sample
used in this study.
NR 14
TC 28
Z9 28
U1 1
U2 28
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0003-2670
J9 ANAL CHIM ACTA
JI Anal. Chim. Acta
PD FEB 19
PY 2010
VL 661
IS 1
BP 117
EP 121
DI 10.1016/j.aca.2009.12.008
PG 5
WC Chemistry, Analytical
SC Chemistry
GA 560VW
UT WOS:000274933200016
PM 20113724
ER
PT J
AU Dhakshnamoorthy, B
Raychaudhury, S
Blachowicz, L
Roux, B
AF Dhakshnamoorthy, Balasundaresan
Raychaudhury, Suchismita
Blachowicz, Lydia
Roux, Benoit
TI Cation-selective Pathway of OmpF Porin Revealed by Anomalous X-ray
Diffraction
SO JOURNAL OF MOLECULAR BIOLOGY
LA English
DT Article
DE permeation; channel; electrostatics; ions
ID ESCHERICHIA-COLI; DYNAMICS SIMULATION; MOLECULAR-DYNAMICS;
CRYSTAL-STRUCTURES; BROWNIAN DYNAMICS; BACTERIAL PORINS; OUTER-MEMBRANE;
PERMEATION; CHANNELS; IONS
AB The OmpF porin from the Escherichia coli outer membrane folds into a trimer of beta-barrels, each forming a wide aqueous pore allowing the passage of ions and small solutes. A long loop (L3) carrying multiple acidic residues folds into the beta-barrel pore to form a narrow "constriction zone". A strong and highly conserved charge asymmetry is observed at the constriction zone, with multiple basic residues attached to the wall of the beta-barrel (Lys16, Arg42, Arg82 and Arg132) on one side, and multiple acidic residues of L3 (Asp107, Asp113, Glu117, Asp121, Asp126, Asp127) on the other side. Several computational studies have suggested that a strong transverse electric field could exist at the constriction zone as a result of such charge asymmetry, giving rise to separate permeation pathways for cations and anions. To examine this question, OmpF was expressed, purified and crystallized in the P6(3) space group and two different data sets were obtained at 2.6 angstrom and 3.0 angstrom resolution with K(+) and Rb(+), respectively. The Rb(+)-soaked crystals were collected at the rubidium anomalous wavelength of 0.8149 angstrom and cation positions were determined. A PEG molecule was observed in the pore region for both the K(+) and Rb(+)-soaked crystals, where it interacts with loop L3. The results reveal the separate pathways of anions and cations across the constriction zone of the OmpF pore. (C) 2009 Published by Elsevier Ltd.
C1 [Dhakshnamoorthy, Balasundaresan; Raychaudhury, Suchismita; Blachowicz, Lydia; Roux, Benoit] Univ Chicago, Dept Biochem & Mol Biol, Gordon Ctr Integrat Sci, Chicago, IL 60637 USA.
[Roux, Benoit] Argonne Natl Lab, Biosci Div, Argonne, IL 60439 USA.
RP Roux, B (reprint author), Univ Chicago, Dept Biochem & Mol Biol, Gordon Ctr Integrat Sci, 920 E 58Th St, Chicago, IL 60637 USA.
EM roux@uchicago.edu
RI Dhakshnamoorthy, Balasundaresan/G-5778-2012
FU National Cancer Institute [Y1-CO-1020]; National Institute of General
Medical Sciences [Y1-GM-1104]; U.S. Department of Energy, Basic Energy
Sciences, Office of Science [W-31-109-ENG-38]; NIH [GM-62342]
FX X-ray diffraction data were collected at bean-dine 23 SER/CAT ID-B at
the Advanced Photon Source, Argonne National Laboratory. GM/CA CAT has
been funded, in whole or in part, with Federal funds from the National
Cancer Institute (Y1-CO-1020) and the National Institute of General
Medical Sciences (Y1-GM-1104). Use of the Advanced Photon Source was
supported by the U.S. Department of Energy, Basic Energy Sciences,
Office of Science, under contract no.W-31-109-ENG-38. The authors are
grateful to Tilman Schirmer and Patrick Loll for providing the OmpF
vectors and for useful discussions. We thank Brigitte Ziervogel, Albert
Lau and the staff at beamline 23ID-B for their kind help during data
collection. These studies were supported by grant GM-62342 from the NIH.
NR 25
TC 16
Z9 18
U1 2
U2 3
PU ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
PI LONDON
PA 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND
SN 0022-2836
J9 J MOL BIOL
JI J. Mol. Biol.
PD FEB 19
PY 2010
VL 396
IS 2
BP 293
EP 300
DI 10.1016/j.jmb.2009.11.042
PG 8
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 561MC
UT WOS:000274980400005
PM 19932117
ER
PT J
AU Abazov, VM
Abbott, B
Abolins, M
Acharya, BS
Adams, M
Adams, T
Aguilo, E
Alexeev, GD
Alkhazov, G
Alton, A
Alverson, G
Alves, GA
Ancu, LS
Aoki, M
Arnoud, Y
Arov, M
Askew, A
Asman, B
Atramentov, O
Avila, C
BackusMayes, J
Badaud, F
Bagby, L
Baldin, B
Bandurin, DV
Banerjee, S
Barberis, E
Barfuss, AF
Baringer, P
Barreto, J
Bartlett, JF
Bassler, U
Bauer, D
Beale, S
Bean, A
Begalli, M
Begel, M
Belanger-Champagne, C
Bellantoni, L
Benitez, JA
Beri, SB
Bernardi, G
Bernhard, R
Bertram, I
Besancon, M
Beuselinck, R
Bezzubov, VA
Bhat, PC
Bhatnagar, V
Blazey, G
Blessing, S
Bloom, K
Boehnlein, A
Boline, D
Bolton, TA
Boos, EE
Borissov, G
Bose, T
Brandt, A
Brock, R
Brooijmans, G
Bross, A
Brown, D
Bu, XB
Buchholz, D
Buehler, M
Buescher, V
Bunichev, V
Burdin, S
Burnett, TH
Buszello, CP
Calfayan, P
Calpas, B
Calvet, S
Camacho-Perez, E
Cammin, J
Carrasco-Lizarraga, MA
Carrera, E
Casey, BCK
Castilla-Valdez, H
Chakrabarti, S
Chakraborty, D
Chan, KM
Chandra, A
Cheu, E
Chevalier-Thery, S
Cho, DK
Cho, SW
Choi, S
Choudhary, B
Christoudias, T
Cihangir, S
Claes, D
Clutter, J
Cooke, M
Cooper, WE
Corcoran, M
Couderc, F
Cousinou, MC
Cutts, D
Cwiok, M
Das, A
Davies, G
De, K
de Jong, SJ
De La Cruz-Burelo, E
DeVaughan, K
Deliot, F
Demarteau, M
Demina, R
Denisov, D
Denisov, SP
Desai, S
Diehl, HT
Diesburg, M
Dominguez, A
Dorland, T
Dubey, A
Dudko, LV
Duflot, L
Duggan, D
Duperrin, A
Dutt, S
Dyshkant, A
Eads, M
Edmunds, D
Ellison, J
Elvira, VD
Enari, Y
Eno, S
Evans, H
Evdokimov, A
Evdokimov, VN
Facini, G
Ferapontov, AV
Ferbel, T
Fiedler, F
Filthaut, F
Fisher, W
Fisk, HE
Fortner, M
Fox, H
Fuess, S
Gadfort, T
Galea, CF
Garcia-Bellido, A
Gavrilov, V
Gay, P
Geist, W
Geng, W
Gerbaudo, D
Gerber, CE
Gershtein, Y
Gillberg, D
Ginther, G
Golovanov, G
Gomez, B
Goussiou, A
Grannis, PD
Greder, S
Greenlee, H
Greenwood, ZD
Gregores, EM
Grenier, G
Gris, P
Grivaz, JF
Grohsjean, A
Grunendahl, S
Grunewald, MW
Guo, F
Guo, J
Gutierrez, G
Gutierrez, P
Haas, A
Haefner, P
Hagopian, S
Haley, J
Hall, I
Han, L
Harder, K
Harel, A
Hauptman, JM
Hays, J
Hebbeker, T
Hedin, D
Hegeman, JG
Heinson, AP
Heintz, U
Hensel, C
Heredia-De La Cruz, I
Herner, K
Hesketh, G
Hildreth, MD
Hirosky, R
Hoang, T
Hobbs, JD
Hoeneisen, B
Hohlfeld, M
Hossain, S
Houben, P
Hu, Y
Hubacek, Z
Huske, N
Hynek, V
Iashvili, I
Illingworth, R
Ito, AS
Jabeen, S
Jaffre, M
Jain, S
Jamin, D
Jesik, R
Johns, K
Johnson, C
Johnson, M
Johnston, D
Jonckheere, A
Jonsson, P
Juste, A
Kajfasz, E
Karmanov, D
Kasper, PA
Katsanos, I
Kaushik, V
Kehoe, R
Kermiche, S
Khalatyan, N
Khanov, A
Kharchilava, A
Kharzheev, YN
Khatidze, D
Kirby, MH
Kirsch, M
Kohli, JM
Kozelov, AV
Kraus, J
Kumar, A
Kupco, A
Kurca, T
Kuzmin, VA
Kvita, J
Lam, D
Lammers, S
Landsberg, G
Lebrun, P
Lee, HS
Lee, WM
Leflat, A
Lellouch, J
Li, L
Li, QZ
Lietti, SM
Lim, JK
Lincoln, D
Linnemann, J
Lipaev, VV
Lipton, R
Liu, Y
Liu, Z
Lobodenko, A
Lokajicek, M
Love, P
Lubatti, HJ
Luna-Garcia, R
Lyon, AL
Maciel, AKA
Mackin, D
Mattig, P
Magana-Villalba, R
Mal, PK
Malik, S
Malyshev, VL
Maravin, Y
Martinez-Ortega, J
McCarthy, R
McGivern, CL
Meijer, MM
Melnitchouk, A
Mendoza, L
Menezes, D
Mercadante, PG
Merkin, M
Meyer, A
Meyer, J
Mommsen, RK
Mondal, NK
Moulik, T
Muanza, GS
Mulhearn, M
Mundal, O
Mundim, L
Nagy, E
Naimuddin, M
Narain, M
Nayyar, R
Neal, HA
Negret, JP
Neustroev, P
Nilsen, H
Nogima, H
Novaes, SF
Nunnemann, T
Obrant, G
Ochando, C
Onoprienko, D
Orduna, J
Osman, N
Osta, J
Otec, R
Garzon, GJOY
Owen, M
Padilla, M
Padley, P
Pangilinan, M
Parashar, N
Parihar, V
Park, SJ
Park, SK
Parsons, J
Partridge, R
Parua, N
Patwa, A
Penning, B
Perfilov, M
Peters, K
Peters, Y
Petroff, P
Piegaia, R
Piper, J
Pleier, MA
Podesta-Lerma, PLM
Podstavkov, VM
Pol, ME
Polozov, P
Popov, AV
Prewitt, M
Price, D
Protopopescu, S
Qian, J
Quadt, A
Quinn, B
Rangel, MS
Ranjan, K
Ratoff, PN
Razumov, I
Renkel, P
Rich, P
Rijssenbeek, M
Ripp-Baudot, I
Rizatdinova, F
Robinson, S
Rominsky, M
Royon, C
Rubinov, P
Ruchti, R
Safronov, G
Sajot, G
Sanchez-Hernandez, A
Sanders, MP
Sanghi, B
Savage, G
Sawyer, L
Scanlon, T
Schaile, D
Schamberger, RD
Scheglov, Y
Schellman, H
Schliephake, T
Schlobohm, S
Schwanenberger, C
Schwienhorst, R
Sekaric, J
Severini, H
Shabalina, E
Shary, V
Shchukin, AA
Shivpuri, RK
Simak, V
Sirotenko, V
Skubic, P
Slattery, P
Smirnov, D
Snow, GR
Snow, J
Snyder, S
Soldner-Rembold, S
Sonnenschein, L
Sopczak, A
Sosebee, M
Soustruznik, K
Spurlock, B
Stark, J
Stolin, V
Stoyanova, DA
Strandberg, J
Strang, MA
Strauss, E
Strauss, M
Strohmer, R
Strom, D
Stutte, L
Svoisky, P
Takahashi, M
Tanasijczuk, A
Taylor, W
Tiller, B
Titov, M
Tokmenin, VV
Tsybychev, D
Tuchming, B
Tully, C
Tuts, PM
Unalan, R
Uvarov, L
Uvarov, S
Uzunyan, S
van den Berg, PJ
Van Kooten, R
van Leeuwen, WM
Varelas, N
Varnes, EW
Vasilyev, IA
Verdier, P
Vertogradov, LS
Verzocchi, M
Vesterinen, M
Vilanova, D
Vint, P
Vokac, P
Wahl, HD
Wang, MHLS
Warchol, J
Watts, G
Wayne, M
Weber, G
Weber, M
Wetstein, M
White, A
Wicke, D
Williams, MRJ
Wilson, GW
Wimpenny, SJ
Wobisch, M
Wood, DR
Wyatt, TR
Xie, Y
Xu, C
Yacoob, S
Yamada, R
Yang, WC
Yasuda, T
Yatsunenko, YA
Ye, Z
Yin, H
Yip, K
Yoo, HD
Youn, SW
Yu, J
Zeitnitz, C
Zelitch, S
Zhao, T
Zhou, B
Zhu, J
Zielinski, M
Zieminska, D
Zivkovic, L
Zutshi, V
Zverev, EG
AF Abazov, V. M.
Abbott, B.
Abolins, M.
Acharya, B. S.
Adams, M.
Adams, T.
Aguilo, E.
Alexeev, G. D.
Alkhazov, G.
Alton, A.
Alverson, G.
Alves, G. A.
Ancu, L. S.
Aoki, M.
Arnoud, Y.
Arov, M.
Askew, A.
Asman, B.
Atramentov, O.
Avila, C.
BackusMayes, J.
Badaud, F.
Bagby, L.
Baldin, B.
Bandurin, D. V.
Banerjee, S.
Barberis, E.
Barfuss, A-F.
Baringer, P.
Barreto, J.
Bartlett, J. F.
Bassler, U.
Bauer, D.
Beale, S.
Bean, A.
Begalli, M.
Begel, M.
Belanger-Champagne, C.
Bellantoni, L.
Benitez, J. A.
Beri, S. B.
Bernardi, G.
Bernhard, R.
Bertram, I.
Besancon, M.
Beuselinck, R.
Bezzubov, V. A.
Bhat, P. C.
Bhatnagar, V.
Blazey, G.
Blessing, S.
Bloom, K.
Boehnlein, A.
Boline, D.
Bolton, T. A.
Boos, E. E.
Borissov, G.
Bose, T.
Brandt, A.
Brock, R.
Brooijmans, G.
Bross, A.
Brown, D.
Bu, X. B.
Buchholz, D.
Buehler, M.
Buescher, V.
Bunichev, V.
Burdin, S.
Burnett, T. H.
Buszello, C. P.
Calfayan, P.
Calpas, B.
Calvet, S.
Camacho-Perez, E.
Cammin, J.
Carrasco-Lizarraga, M. A.
Carrera, E.
Casey, B. C. K.
Castilla-Valdez, H.
Chakrabarti, S.
Chakraborty, D.
Chan, K. M.
Chandra, A.
Cheu, E.
Chevalier-Thery, S.
Cho, D. K.
Cho, S. W.
Choi, S.
Choudhary, B.
Christoudias, T.
Cihangir, S.
Claes, D.
Clutter, J.
Cooke, M.
Cooper, W. E.
Corcoran, M.
Couderc, F.
Cousinou, M-C.
Cutts, D.
Cwiok, M.
Das, A.
Davies, G.
De, K.
de Jong, S. J.
De La Cruz-Burelo, E.
DeVaughan, K.
Deliot, F.
Demarteau, M.
Demina, R.
Denisov, D.
Denisov, S. P.
Desai, S.
Diehl, H. T.
Diesburg, M.
Dominguez, A.
Dorland, T.
Dubey, A.
Dudko, L. V.
Duflot, L.
Duggan, D.
Duperrin, A.
Dutt, S.
Dyshkant, A.
Eads, M.
Edmunds, D.
Ellison, J.
Elvira, V. D.
Enari, Y.
Eno, S.
Evans, H.
Evdokimov, A.
Evdokimov, V. N.
Facini, G.
Ferapontov, A. V.
Ferbel, T.
Fiedler, F.
Filthaut, F.
Fisher, W.
Fisk, H. E.
Fortner, M.
Fox, H.
Fuess, S.
Gadfort, T.
Galea, C. F.
Garcia-Bellido, A.
Gavrilov, V.
Gay, P.
Geist, W.
Geng, W.
Gerbaudo, D.
Gerber, C. E.
Gershtein, Y.
Gillberg, D.
Ginther, G.
Golovanov, G.
Gomez, B.
Goussiou, A.
Grannis, P. D.
Greder, S.
Greenlee, H.
Greenwood, Z. D.
Gregores, E. M.
Grenier, G.
Gris, Ph.
Grivaz, J-F.
Grohsjean, A.
Gruenendahl, S.
Gruenewald, M. W.
Guo, F.
Guo, J.
Gutierrez, G.
Gutierrez, P.
Haas, A.
Haefner, P.
Hagopian, S.
Haley, J.
Hall, I.
Han, L.
Harder, K.
Harel, A.
Hauptman, J. M.
Hays, J.
Hebbeker, T.
Hedin, D.
Hegeman, J. G.
Heinson, A. P.
Heintz, U.
Hensel, C.
Heredia-De La Cruz, I.
Herner, K.
Hesketh, G.
Hildreth, M. D.
Hirosky, R.
Hoang, T.
Hobbs, J. D.
Hoeneisen, B.
Hohlfeld, M.
Hossain, S.
Houben, P.
Hu, Y.
Hubacek, Z.
Huske, N.
Hynek, V.
Iashvili, I.
Illingworth, R.
Ito, A. S.
Jabeen, S.
Jaffre, M.
Jain, S.
Jamin, D.
Jesik, R.
Johns, K.
Johnson, C.
Johnson, M.
Johnston, D.
Jonckheere, A.
Jonsson, P.
Juste, A.
Kajfasz, E.
Karmanov, D.
Kasper, P. A.
Katsanos, I.
Kaushik, V.
Kehoe, R.
Kermiche, S.
Khalatyan, N.
Khanov, A.
Kharchilava, A.
Kharzheev, Y. N.
Khatidze, D.
Kirby, M. H.
Kirsch, M.
Kohli, J. M.
Kozelov, A. V.
Kraus, J.
Kumar, A.
Kupco, A.
Kurca, T.
Kuzmin, V. A.
Kvita, J.
Lam, D.
Lammers, S.
Landsberg, G.
Lebrun, P.
Lee, H. S.
Lee, W. M.
Leflat, A.
Lellouch, J.
Li, L.
Li, Q. Z.
Lietti, S. M.
Lim, J. K.
Lincoln, D.
Linnemann, J.
Lipaev, V. V.
Lipton, R.
Liu, Y.
Liu, Z.
Lobodenko, A.
Lokajicek, M.
Love, P.
Lubatti, H. J.
Luna-Garcia, R.
Lyon, A. L.
Maciel, A. K. A.
Mackin, D.
Maettig, P.
Magana-Villalba, R.
Mal, P. K.
Malik, S.
Malyshev, V. L.
Maravin, Y.
Martinez-Ortega, J.
McCarthy, R.
McGivern, C. L.
Meijer, M. M.
Melnitchouk, A.
Mendoza, L.
Menezes, D.
Mercadante, P. G.
Merkin, M.
Meyer, A.
Meyer, J.
Mommsen, R. K.
Mondal, N. K.
Moulik, T.
Muanza, G. S.
Mulhearn, M.
Mundal, O.
Mundim, L.
Nagy, E.
Naimuddin, M.
Narain, M.
Nayyar, R.
Neal, H. A.
Negret, J. P.
Neustroev, P.
Nilsen, H.
Nogima, H.
Novaes, S. F.
Nunnemann, T.
Obrant, G.
Ochando, C.
Onoprienko, D.
Orduna, J.
Osman, N.
Osta, J.
Otec, R.
Otero y Garzon, G. J.
Owen, M.
Padilla, M.
Padley, P.
Pangilinan, M.
Parashar, N.
Parihar, V.
Park, S-J.
Park, S. K.
Parsons, J.
Partridge, R.
Parua, N.
Patwa, A.
Penning, B.
Perfilov, M.
Peters, K.
Peters, Y.
Petroff, P.
Piegaia, R.
Piper, J.
Pleier, M-A.
Podesta-Lerma, P. L. M.
Podstavkov, V. M.
Pol, M-E.
Polozov, P.
Popov, A. V.
Prewitt, M.
Price, D.
Protopopescu, S.
Qian, J.
Quadt, A.
Quinn, B.
Rangel, M. S.
Ranjan, K.
Ratoff, P. N.
Razumov, I.
Renkel, P.
Rich, P.
Rijssenbeek, M.
Ripp-Baudot, I.
Rizatdinova, F.
Robinson, S.
Rominsky, M.
Royon, C.
Rubinov, P.
Ruchti, R.
Safronov, G.
Sajot, G.
Sanchez-Hernandez, A.
Sanders, M. P.
Sanghi, B.
Savage, G.
Sawyer, L.
Scanlon, T.
Schaile, D.
Schamberger, R. D.
Scheglov, Y.
Schellman, H.
Schliephake, T.
Schlobohm, S.
Schwanenberger, C.
Schwienhorst, R.
Sekaric, J.
Severini, H.
Shabalina, E.
Shary, V.
Shchukin, A. A.
Shivpuri, R. K.
Simak, V.
Sirotenko, V.
Skubic, P.
Slattery, P.
Smirnov, D.
Snow, G. R.
Snow, J.
Snyder, S.
Soeldner-Rembold, S.
Sonnenschein, L.
Sopczak, A.
Sosebee, M.
Soustruznik, K.
Spurlock, B.
Stark, J.
Stolin, V.
Stoyanova, D. A.
Strandberg, J.
Strang, M. A.
Strauss, E.
Strauss, M.
Stroehmer, R.
Strom, D.
Stutte, L.
Svoisky, P.
Takahashi, M.
Tanasijczuk, A.
Taylor, W.
Tiller, B.
Titov, M.
Tokmenin, V. V.
Tsybychev, D.
Tuchming, B.
Tully, C.
Tuts, P. M.
Unalan, R.
Uvarov, L.
Uvarov, S.
Uzunyan, S.
van den Berg, P. J.
Van Kooten, R.
van Leeuwen, W. M.
Varelas, N.
Varnes, E. W.
Vasilyev, I. A.
Verdier, P.
Vertogradov, L. S.
Verzocchi, M.
Vesterinen, M.
Vilanova, D.
Vint, P.
Vokac, P.
Wahl, H. D.
Wang, M. H. L. S.
Warchol, J.
Watts, G.
Wayne, M.
Weber, G.
Weber, M.
Wetstein, M.
White, A.
Wicke, D.
Williams, M. R. J.
Wilson, G. W.
Wimpenny, S. J.
Wobisch, M.
Wood, D. R.
Wyatt, T. R.
Xie, Y.
Xu, C.
Yacoob, S.
Yamada, R.
Yang, W-C.
Yasuda, T.
Yatsunenko, Y. A.
Ye, Z.
Yin, H.
Yip, K.
Yoo, H. D.
Youn, S. W.
Yu, J.
Zeitnitz, C.
Zelitch, S.
Zhao, T.
Zhou, B.
Zhu, J.
Zielinski, M.
Zieminska, D.
Zivkovic, L.
Zutshi, V.
Zverev, E. G.
TI Search for the Standard Model Higgs Boson in the ZH ->
v(v)over-barb(b)over-bar Channel in 5.2 fb(-1) of p(p)over-bar
Collisions at root s=1.96 TeV
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
AB A search is performed for the standard model Higgs boson in 5.2 fb(-1) of p (p) over bar collisions at root s = 1.96 TeV, collected with the D0 detector at the Fermilab Tevatron Collider. The final state considered is a pair of b jets and large missing transverse energy, as expected from p (p) over bar -> ZH -> v (v) over barb (b) over bar production. The search is also sensitive to the WH -> lvb (b) over bar channel when the charged lepton is not identified. For a Higgs boson mass of 115 GeV, a limit is set at the 95% C.L. on the cross section multiplied by branching fraction for [p (p) over bar -> (Z/W)H](H -> b (b) over bar) that is a factor of 3.7 larger than the standard model value, consistent with the factor of 4.6 expected.
C1 [Abazov, V. M.; Alexeev, G. D.; Golovanov, G.; Kharzheev, Y. N.; Malyshev, V. L.; Tokmenin, V. V.; Vertogradov, L. S.; Yatsunenko, Y. A.] Joint Inst Nucl Res, Dubna, Russia.
[Otero y Garzon, G. J.; Piegaia, R.; Tanasijczuk, A.] Univ Buenos Aires, Buenos Aires, DF, Argentina.
[Alves, G. A.; Barreto, J.; Maciel, A. K. A.; Pol, M-E.] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil.
[Begalli, M.; Mundim, L.; Nogima, H.] Univ Estado Rio de Janeiro, BR-20550011 Rio De Janeiro, Brazil.
[Gregores, E. M.; Mercadante, P. G.] Univ Fed ABC, Santo Andre, Brazil.
[Lietti, S. M.; Novaes, S. F.] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil.
[Aguilo, E.; Beale, S.; Gillberg, D.; Liu, Z.; Taylor, W.] York Univ, Toronto, ON M3J 2R7, Canada.
[Aguilo, E.; Beale, S.; Gillberg, D.; Liu, Z.; Taylor, W.] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada.
[Bu, X. B.; Han, L.; Liu, Y.; Yin, H.] Univ Sci & Technol China, Hefei 230026, Peoples R China.
[Avila, C.; Gomez, B.; Mendoza, L.; Negret, J. P.] Univ Los Andes, Bogota, Colombia.
[Kvita, J.; Soustruznik, K.] Charles Univ Prague, Fac Math & Phys, Ctr Particle Phys, Prague, Czech Republic.
[Hubacek, Z.; Hynek, V.; Otec, R.; Simak, V.; Vokac, P.] Czech Tech Univ, CR-16635 Prague, Czech Republic.
[Kupco, A.; Lokajicek, M.] Acad Sci Czech Republic, Inst Phys, Ctr Particle Phys, Prague, Czech Republic.
[Badaud, F.; Gay, P.; Gris, Ph.] Univ San Francisco Quito, Quito, Ecuador.
[Badaud, F.; Gay, P.; Gris, Ph.] Univ Clermont Ferrand, LPC, CNRS, IN2P3, Clermont Ferrand, France.
[Arnoud, Y.; Sajot, G.; Stark, J.] Univ Grenoble 1, CNRS, LPSC, CNRS,IN2P3,Inst Natl Polytech Grenoble, Grenoble, France.
[Barfuss, A-F.; Calpas, B.; Cousinou, M-C.; Duperrin, A.; Geng, W.; Jamin, D.; Kajfasz, E.; Kermiche, S.; Muanza, G. S.; Nagy, E.] Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France.
[Calvet, S.; Duflot, L.; Grivaz, J-F.; Jaffre, M.; Ochando, C.; Petroff, P.; Rangel, M. S.] Univ Paris 11, LAL, CNRS, IN2P3, Orsay, France.
[Bernardi, G.; Enari, Y.; Huske, N.; Lellouch, J.] Univ Paris 06, CNRS, LPNHE, IN2P3, Paris, France.
[Bernardi, G.; Enari, Y.; Huske, N.; Lellouch, J.] Univ Paris 07, CNRS, LPNHE, IN2P3, Paris, France.
[Bassler, U.; Besancon, M.; Chevalier-Thery, S.; Couderc, F.; Deliot, F.; Grohsjean, A.; Royon, C.; Shary, V.; Titov, M.; Tuchming, B.; Vilanova, D.] SPP, CEA, Saclay, France.
[Brown, D.; Geist, W.; Greder, S.; Ripp-Baudot, I.] Univ Strasbourg, IPHC, CNRS, IN2P3, Strasbourg, France.
[Grenier, G.; Kurca, T.; Lebrun, P.; Verdier, P.] Univ Lyon, Lyon, France.
[Grenier, G.; Kurca, T.; Lebrun, P.; Verdier, P.] Univ Lyon 1, CNRS, IPNL, CNRS,IN2P3, F-69622 Villeurbanne, France.
[Hebbeker, T.; Kirsch, M.; Meyer, A.; Sonnenschein, L.] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany.
[Mundal, O.] Univ Bonn, Inst Phys, D-5300 Bonn, Germany.
[Bernhard, R.; Nilsen, H.] Univ Freiburg, Inst Phys, Freiburg, Germany.
[Hensel, C.; Meyer, J.; Park, S-J.; Quadt, A.; Shabalina, E.] Univ Gottingen, Inst Phys 2, Gottingen, Germany.
[Buescher, V.; Fiedler, F.; Hohlfeld, M.; Weber, G.; Wicke, D.] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany.
[Calfayan, P.; Haefner, P.; Nunnemann, T.; Sanders, M. P.; Schaile, D.; Stroehmer, R.; Tiller, B.] Univ Munich, Munich, Germany.
[Beri, S. B.; Bhatnagar, V.; Dutt, S.; Kohli, J. M.] Panjab Univ, Chandigarh 160014, India.
[Maettig, P.; Schliephake, T.; Zeitnitz, C.] Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany.
[Choudhary, B.; Dubey, A.; Naimuddin, M.; Nayyar, R.; Ranjan, K.; Shivpuri, R. K.] Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany.
[Acharya, B. S.; Banerjee, S.; Mondal, N. K.] Tata Inst Fundamental Res, Mumbai 400005, Maharashtra, India.
[Cwiok, M.; Gruenewald, M. W.] Univ Coll Dublin, Dublin 2, Ireland.
[Cho, S. W.; Lee, H. S.; Lim, J. K.; Park, S. K.] Korea Univ, Korea Detector Lab, Seoul, South Korea.
[Choi, S.] Sungkyunkwan Univ, Suwon, South Korea.
[Camacho-Perez, E.; Carrasco-Lizarraga, M. A.; Castilla-Valdez, H.; De La Cruz-Burelo, E.; Heredia-De La Cruz, I.; Luna-Garcia, R.; Magana-Villalba, R.; Martinez-Ortega, J.; Orduna, J.; Podesta-Lerma, P. L. M.; Sanchez-Hernandez, A.] CINVESTAV, Mexico City 14000, DF, Mexico.
[Hegeman, J. G.; Houben, P.; van den Berg, P. J.; van Leeuwen, W. M.] NIKHEF, FOM Inst, Amsterdam, Netherlands.
[Hegeman, J. G.; Houben, P.; van den Berg, P. J.; van Leeuwen, W. M.] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands.
[Ancu, L. S.; de Jong, S. J.; Filthaut, F.; Galea, C. F.; Meijer, M. M.; Svoisky, P.] Radboud Univ Nijmegen, NIKHEF, NL-6525 ED Nijmegen, Netherlands.
[Gavrilov, V.; Polozov, P.; Safronov, G.; Stolin, V.] Inst Theoret & Expt Phys, Moscow 117259, Russia.
[Boos, E. E.; Bunichev, V.; Dudko, L. V.; Karmanov, D.; Kuzmin, V. A.; Leflat, A.; Merkin, M.; Perfilov, M.; Zverev, E. G.] Moscow MV Lomonosov State Univ, Moscow, Russia.
[Bezzubov, V. A.; Denisov, S. P.; Evdokimov, V. N.; Kozelov, A. V.; Lipaev, V. V.; Popov, A. V.; Razumov, I.; Shchukin, A. A.; Stoyanova, D. A.; Vasilyev, I. A.] Inst High Energy Phys, Protvino, Russia.
[Alkhazov, G.; Lobodenko, A.; Neustroev, P.; Obrant, G.; Scheglov, Y.; Uvarov, L.; Uvarov, S.] Petersburg Nucl Phys Inst, St Petersburg, Russia.
[Asman, B.; Belanger-Champagne, C.] Stockholm Univ, S-10691 Stockholm, Sweden.
[Asman, B.; Belanger-Champagne, C.] Uppsala Univ, Uppsala, Sweden.
[Bertram, I.; Borissov, G.; Burdin, S.; Fox, H.; Love, P.; Ratoff, P. N.; Sopczak, A.; Williams, M. R. J.] Univ Lancaster, Lancaster, England.
[Bauer, D.; Beuselinck, R.; Buszello, C. P.; Christoudias, T.; Davies, G.; Hays, J.; Jesik, R.; Jonsson, P.; Osman, N.; Robinson, S.; Scanlon, T.; Vint, P.] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England.
[Harder, K.; Mommsen, R. K.; Owen, M.; Peters, K.; Peters, Y.; Rich, P.; Schwanenberger, C.; Soeldner-Rembold, S.; Takahashi, M.; Vesterinen, M.; Wyatt, T. R.; Yang, W-C.] Univ Manchester, Manchester M13 9PL, Lancs, England.
[Cheu, E.; Das, A.; Johns, K.; Mal, P. K.; Varnes, E. W.] Univ Arizona, Tucson, AZ 85721 USA.
[Ellison, J.; Heinson, A. P.; Li, L.; Padilla, M.; Wimpenny, S. J.] Univ Calif Riverside, Riverside, CA 92521 USA.
[Adams, T.; Askew, A.; Blessing, S.; Carrera, E.; Hagopian, S.; Hoang, T.; Wahl, H. D.] Florida State Univ, Tallahassee, FL 32306 USA.
[Aoki, M.; Bagby, L.; Baldin, B.; Bartlett, J. F.; Bellantoni, L.; Bhat, P. C.; Boehnlein, A.; Bross, A.; Casey, B. C. K.; Cihangir, S.; Cooke, M.; Cooper, W. E.; Demarteau, M.; Denisov, D.; Desai, S.; Diehl, H. T.; Diesburg, M.; Elvira, V. D.; Fisk, H. E.; Fuess, S.; Ginther, G.; Greenlee, H.; Gruenendahl, S.; Gutierrez, G.; Illingworth, R.; Ito, A. S.; Johnson, M.; Jonckheere, A.; Juste, A.; Kasper, P. A.; Khalatyan, N.; Lee, W. M.; Li, Q. Z.; Lincoln, D.; Lipton, R.; Lyon, A. L.; Penning, B.; Podstavkov, V. M.; Rubinov, P.; Sanghi, B.; Savage, G.; Sirotenko, V.; Stutte, L.; Verzocchi, M.; Weber, M.; Xie, Y.; Yamada, R.; Yasuda, T.; Ye, Z.; Youn, S. W.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Adams, M.; Gerber, C. E.; Strom, D.; Varelas, N.] Univ Illinois, Chicago, IL 60607 USA.
[Blazey, G.; Chakraborty, D.; Dyshkant, A.; Fortner, M.; Hedin, D.; Menezes, D.; Uzunyan, S.; Zutshi, V.] No Illinois Univ, De Kalb, IL 60115 USA.
[Buchholz, D.; Kirby, M. H.; Schellman, H.; Yacoob, S.] Northwestern Univ, Evanston, IL 60208 USA.
[Chandra, A.; Evans, H.; Lammers, S.; Parua, N.; Price, D.; Van Kooten, R.; Zieminska, D.] Indiana Univ, Bloomington, IN 47405 USA.
[Chan, K. M.; Hildreth, M. D.; Lam, D.; Osta, J.; Ruchti, R.; Smirnov, D.; Warchol, J.; Wayne, M.] Univ Notre Dame, Notre Dame, IN 46556 USA.
[Parashar, N.] Purdue Univ Calumet, Hammond, IN 46323 USA.
[Hauptman, J. M.] Iowa State Univ, Ames, IA 50011 USA.
[Baringer, P.; Bean, A.; Clutter, J.; McGivern, C. L.; Moulik, T.; Sekaric, J.; Wilson, G. W.] Univ Kansas, Lawrence, KS 66045 USA.
[Arov, M.; Bandurin, D. V.; Bolton, T. A.; Greenwood, Z. D.; Maravin, Y.; Onoprienko, D.; Sawyer, L.; Wobisch, M.] Kansas State Univ, Manhattan, KS 66506 USA.
[Arov, M.; Greenwood, Z. D.; Sawyer, L.; Wobisch, M.] Louisiana Tech Univ, Ruston, LA 71272 USA.
[Eno, S.; Ferbel, T.; Wetstein, M.] Univ Maryland, College Pk, MD 20742 USA.
[Boline, D.; Bose, T.; Cho, D. K.; Jabeen, S.] Boston Univ, Boston, MA 02215 USA.
[Alverson, G.; Barberis, E.; Facini, G.; Haley, J.; Hesketh, G.; Wood, D. R.] Northeastern Univ, Boston, MA 02115 USA.
[Abolins, M.; Alton, A.; Benitez, J. A.; Brock, R.; Edmunds, D.; Fisher, W.; Geng, W.; Hall, I.; Herner, K.; Kraus, J.; Linnemann, J.; Neal, H. A.; Piper, J.; Qian, J.; Schwienhorst, R.; Strandberg, J.; Unalan, R.; Xu, C.; Zhou, B.] Michigan State Univ, E Lansing, MI 48824 USA.
[Herner, K.; Neal, H. A.; Qian, J.; Strandberg, J.; Xu, C.; Zhou, B.] Univ Michigan, Ann Arbor, MI 48109 USA.
[Melnitchouk, A.; Quinn, B.] Univ Mississippi, University, MS 38677 USA.
[Bloom, K.; Claes, D.; DeVaughan, K.; Dominguez, A.; Eads, M.; Johnston, D.; Katsanos, I.; Malik, S.; Snow, G. R.] Univ Nebraska, Lincoln, NE 68588 USA.
[Atramentov, O.; Duggan, D.; Gershtein, Y.] Rutgers State Univ, Piscataway, NJ 08855 USA.
[Gerbaudo, D.; Tully, C.] Princeton Univ, Princeton, NJ 08544 USA.
[Iashvili, I.; Jain, S.; Kharchilava, A.; Kumar, A.; Strang, M. A.] SUNY Buffalo, Buffalo, NY 14260 USA.
[Brooijmans, G.; Haas, A.; Johnson, C.; Parsons, J.; Tuts, P. M.; Zivkovic, L.] Columbia Univ, New York, NY 10027 USA.
[Cammin, J.; Demina, R.; Ferbel, T.; Garcia-Bellido, A.; Ginther, G.; Harel, A.; Slattery, P.; Wang, M. H. L. S.; Zielinski, M.] Univ Rochester, Rochester, NY 14627 USA.
[Chakrabarti, S.; Grannis, P. D.; Guo, F.; Guo, J.; Hobbs, J. D.; Hu, Y.; McCarthy, R.; Rijssenbeek, M.; Schamberger, R. D.; Strauss, E.; Tsybychev, D.; Zhu, J.] SUNY Stony Brook, Stony Brook, NY 11794 USA.
[Begel, M.; Evdokimov, A.; Gadfort, T.; Patwa, A.; Pleier, M-A.; Protopopescu, S.; Snyder, S.; Yip, K.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Snow, J.] Langston Univ, Langston, OK 73050 USA.
[Abbott, B.; Gutierrez, P.; Hossain, S.; Rominsky, M.; Severini, H.; Skubic, P.; Strauss, M.] Univ Oklahoma, Norman, OK 73019 USA.
[Khanov, A.; Rizatdinova, F.] Oklahoma State Univ, Stillwater, OK 74078 USA.
[Cutts, D.; Ferapontov, A. V.; Heintz, U.; Khatidze, D.; Landsberg, G.; Narain, M.; Pangilinan, M.; Parihar, V.; Partridge, R.; Yoo, H. D.] Brown Univ, Providence, RI 02912 USA.
[Brandt, A.; De, K.; Kaushik, V.; Sosebee, M.; Spurlock, B.; White, A.; Yu, J.] Univ Texas Arlington, Arlington, TX 76019 USA.
[Kehoe, R.; Renkel, P.] So Methodist Univ, Dallas, TX 75275 USA.
[Corcoran, M.; Mackin, D.; Padley, P.; Prewitt, M.] Rice Univ, Houston, TX 77005 USA.
[Buehler, M.; Hirosky, R.; Mulhearn, M.; Zelitch, S.] Univ Virginia, Charlottesville, VA 22901 USA.
[BackusMayes, J.; Burnett, T. H.; Dorland, T.; Goussiou, A.; Lubatti, H. J.; Schlobohm, S.; Watts, G.; Zhao, T.] Univ Washington, Seattle, WA 98195 USA.
RP Abazov, VM (reprint author), Joint Inst Nucl Res, Dubna, Russia.
RI De, Kaushik/N-1953-2013; Ancu, Lucian Stefan/F-1812-2010; Alves,
Gilvan/C-4007-2013; Deliot, Frederic/F-3321-2014; Sharyy,
Viatcheslav/F-9057-2014; Lokajicek, Milos/G-7800-2014; Kupco,
Alexander/G-9713-2014; Kozelov, Alexander/J-3812-2014; Christoudias,
Theodoros/E-7305-2015; Guo, Jun/O-5202-2015; Gerbaudo,
Davide/J-4536-2012; Li, Liang/O-1107-2015; Fisher, Wade/N-4491-2013;
Mundim, Luiz/A-1291-2012; Boos, Eduard/D-9748-2012; bu,
xuebing/D-1121-2012; Novaes, Sergio/D-3532-2012; Merkin,
Mikhail/D-6809-2012; Leflat, Alexander/D-7284-2012; Dudko,
Lev/D-7127-2012; Perfilov, Maxim/E-1064-2012; Gutierrez,
Phillip/C-1161-2011; Mercadante, Pedro/K-1918-2012; Yip,
Kin/D-6860-2013; Bolton, Tim/A-7951-2012
OI De, Kaushik/0000-0002-5647-4489; Ancu, Lucian
Stefan/0000-0001-5068-6723; Sharyy, Viatcheslav/0000-0002-7161-2616;
Christoudias, Theodoros/0000-0001-9050-3880; Guo,
Jun/0000-0001-8125-9433; Gerbaudo, Davide/0000-0002-4463-0878; Li,
Liang/0000-0001-6411-6107; Mundim, Luiz/0000-0001-9964-7805; Novaes,
Sergio/0000-0003-0471-8549; Dudko, Lev/0000-0002-4462-3192; Yip,
Kin/0000-0002-8576-4311;
FU DOE; NSF; CEA; CNRS/IN2P3 (France); FASI; Rosatom; RFBR (Russia); CNPq;
FAPERJ; FAPESP; FUNDUNESP (Brazil); DAE; DST (India); Colciencias
(Colombia); CONACyT (Mexico); KRF; KOSEF (Korea); CONICET; UBACyT
(Argentina); FOM (The Netherlands); STFC; Royal Society (United
Kingdom); MSMT; GACR (Czech Republic); CRC Program; CFI; NSERC; WestGrid
Project (Canada); BMBF; DFG (Germany); SFI (Ireland); Swedish Research
Council (Sweden); CAS; CNSF (China)
FX We thank the staffs at Fermilab and collaborating institutions, and
acknowledge support from the DOE and NSF (U.S.); CEA and CNRS/IN2P3
(France); FASI, Rosatom, and RFBR (Russia); CNPq, FAPERJ, FAPESP, and
FUNDUNESP (Brazil); DAE and DST (India); Colciencias (Colombia); CONACyT
(Mexico); KRF and KOSEF (Korea); CONICET and UBACyT (Argentina); FOM
(The Netherlands); STFC and the Royal Society (United Kingdom); MSMT and
GACR (Czech Republic); CRC Program, CFI, NSERC, and WestGrid Project
(Canada); BMBF and DFG (Germany); SFI (Ireland); The Swedish Research
Council (Sweden); and CAS and CNSF (China).
NR 39
TC 9
Z9 9
U1 1
U2 5
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
EI 1079-7114
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 19
PY 2010
VL 104
IS 7
AR 071801
DI 10.1103/PhysRevLett.104.071801
PG 7
WC Physics, Multidisciplinary
SC Physics
GA 557JD
UT WOS:000274664500011
ER
PT J
AU Acosta, VM
Bauch, E
Ledbetter, MP
Waxman, A
Bouchard, LS
Budker, D
AF Acosta, V. M.
Bauch, E.
Ledbetter, M. P.
Waxman, A.
Bouchard, L-S.
Budker, D.
TI Temperature Dependence of the Nitrogen-Vacancy Magnetic Resonance in
Diamond
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID ATOMIC MAGNETOMETER; DEFECT CENTERS; SPIN; MICROSCOPY; NMR
AB The temperature dependence of the magnetic-resonance spectra of nitrogen-vacancy (NV(-)) ensembles in the range of 280-330 K was studied. Four samples prepared under different conditions were analyzed with NV(-) concentrations ranging from 10 ppb to 15 ppm. For all samples, the axial zero-field splitting (ZFS) parameter D was found to vary significantly with temperature, T, as dD/dT = -74.2(7) kHz/K. The transverse ZFS parameter E was nonzero (between 4 and 11 MHz) in all samples, and exhibited a temperature dependence of dE/(EdT) = -1.4(3) x 10(-4) K(-1). The results might be accounted for by considering local thermal expansion. The temperature dependence of the ZFS parameters presents a significant challenge for diamond magnetometers and may ultimately limit their bandwidth and sensitivity.
C1 [Acosta, V. M.; Bauch, E.; Ledbetter, M. P.; Budker, D.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Bauch, E.] Tech Univ Berlin, D-10623 Berlin, Germany.
[Waxman, A.] Ben Gurion Univ Negev, Dept Phys, IL-84105 Beer Sheva, Israel.
[Bouchard, L-S.] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA.
[Budker, D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA.
RP Acosta, VM (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
EM vmacosta@berkeley.edu; budker@berkeley.edu
RI Acosta, Victor/G-8176-2011; Budker, Dmitry/F-7580-2016;
OI Budker, Dmitry/0000-0002-7356-4814; Acosta, Victor/0000-0003-0058-9954
FU NSF [PHY-0855552]; ONR-MURI
FX The authors are grateful to A. Gali, C. Santori, P. Hemmer, F. Jelezko,
E. Corsini, and O. Sushkov for valuable discussions, and R. Folman for
support. This work was supported by NSF grant PHY-0855552 and ONR-MURI.
NR 34
TC 109
Z9 110
U1 3
U2 61
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 19
PY 2010
VL 104
IS 7
AR 070801
DI 10.1103/PhysRevLett.104.070801
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 557JD
UT WOS:000274664500008
PM 20366868
ER
PT J
AU Appelquist, T
Avakian, A
Babich, R
Brower, RC
Cheng, M
Clark, MA
Cohen, SD
Fleming, GT
Kiskis, J
Neil, ET
Osborn, JC
Rebbi, C
Schaich, D
Vranas, P
AF Appelquist, T.
Avakian, A.
Babich, R.
Brower, R. C.
Cheng, M.
Clark, M. A.
Cohen, S. D.
Fleming, G. T.
Kiskis, J.
Neil, E. T.
Osborn, J. C.
Rebbi, C.
Schaich, D.
Vranas, P.
TI Toward TeV Conformality
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID GAUGE-THEORIES; SCALE; HYPERCOLOR
AB We study the chiral properties of an SU(3) gauge theory with N(f) massless Dirac fermions in the fundamental representation when N(f) is increased from 2 to 6. For N(f) = 2, our lattice simulations lead to a value of <(psi) over bar psi >/F(3), where F is the Nambu-Goldstone-boson decay constant and <(psi) over bar psi > is the chiral condensate, which agrees with the measured QCD value. For N(f) = 6, this ratio shows significant enhancement, presaging an even larger enhancement anticipated as N(f) increases further, toward the critical value for transition from confinement to infrared conformality.
C1 [Appelquist, T.; Fleming, G. T.; Neil, E. T.] Yale Univ, Dept Phys, Sloane Lab, New Haven, CT 06520 USA.
[Avakian, A.; Babich, R.; Brower, R. C.; Cohen, S. D.; Rebbi, C.; Schaich, D.] Boston Univ, Dept Phys, Boston, MA 02215 USA.
[Cheng, M.; Vranas, P.] Lawrence Livermore Natl Lab, Phys Sci Directorate, Livermore, CA 94550 USA.
[Clark, M. A.] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA.
[Clark, M. A.] Harvard Univ, Initiat Innovat Comp, Sch Engn & Appl Sci, Cambridge, MA 02138 USA.
[Kiskis, J.] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA.
[Osborn, J. C.] Argonne Leadership Comp Facil, Argonne, IL 60439 USA.
RP Appelquist, T (reprint author), Yale Univ, Dept Phys, Sloane Lab, New Haven, CT 06520 USA.
RI Schaich, David/J-6644-2013; Fleming, George/L-6614-2013;
OI Schaich, David/0000-0002-9826-2951; Fleming, George/0000-0002-4987-7167;
Cohen, Saul/0000-0001-6804-3320
FU National Nuclear Security Agency and Office of Science; U.S. Department
of Energy; U.S. National Science Foundation
FX We thank LLNL and the Multiprogrammatic and Institutional Computing
program for time on the BlueGene/L supercomputer, and the Aspen Center
for Physics. This work was supported by the National Nuclear Security
Agency and Office of Science (High Energy Physics), U.S. Department of
Energy; and by the U.S. National Science Foundation.
NR 20
TC 47
Z9 47
U1 0
U2 3
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 19
PY 2010
VL 104
IS 7
AR 071601
DI 10.1103/PhysRevLett.104.071601
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 557JD
UT WOS:000274664500010
PM 20366870
ER
PT J
AU Nornberg, MD
Ji, H
Schartman, E
Roach, A
Goodman, J
AF Nornberg, M. D.
Ji, H.
Schartman, E.
Roach, A.
Goodman, J.
TI Observation of Magnetocoriolis Waves in a Liquid Metal Taylor-Couette
Experiment
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID MAGNETOROTATIONAL INSTABILITY; INERTIAL WAVES; MAGNETIC-FIELD; EARTHS
CORE; FLOW; OSCILLATIONS; TURBULENCE; DISKS
AB The first observation of fast and slow magnetocoriolis (MC) waves in a laboratory experiment is reported. Rotating nonaxisymmetric modes arising from a magnetized turbulent Taylor-Couette flow of liquid metal are identified as the fast and slow MC waves by the dependence of the rotation frequency on the applied field strength. The observed slow MC wave is damped but the observation provides a means for predicting the onset of the magnetorotational instability.
C1 Ctr Magnet Self Org Lab & Astrophys Plasmas, Princeton, NJ 08543 USA.
Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
RP Nornberg, MD (reprint author), Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA.
OI Nornberg, Mark/0000-0003-1786-4190
FU NASA [ATP03-0084-0106, APRA04-0000-0152]; DOE [DE-AC0209CH11466]; NSF
[AST0607472]
FX We thank Chris Finlay for helpful discussions and pointing out valuable
references and Hans Rinderknecht for his contributions on dispersion
relation calculations as a senior project of Princeton University. This
work was funded under NASA Grants No. ATP03-0084-0106 and No.
APRA04-0000-0152, DOE Contract No. DE-AC0209CH11466, and NSF Grant No.
AST0607472.
NR 32
TC 24
Z9 24
U1 2
U2 11
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 19
PY 2010
VL 104
IS 7
AR 074501
DI 10.1103/PhysRevLett.104.074501
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 557JD
UT WOS:000274664500030
PM 20366890
ER
PT J
AU Ristivojevic, Z
Japaridze, GI
Nattermann, T
AF Ristivojevic, Zoran
Japaridze, George I.
Nattermann, Thomas
TI Spin Filtering by Field-Dependent Resonant Tunneling
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID DIMENSIONAL ELECTRON-GAS; LUTTINGER-LIQUID; CONDUCTANCE; TRANSPORT
AB We consider theoretically transport in a spinful one-channel interacting quantum wire placed in an external magnetic field. For the case of two pointlike impurities embedded in the wire, under a small voltage bias the spin-polarized current occurs at special points in the parameter space, tunable by a single parameter. At sufficiently low temperatures complete spin polarization may be achieved, provided repulsive interaction between electrons is not too strong.
C1 [Ristivojevic, Zoran; Nattermann, Thomas] Univ Cologne, Inst Theoret Phys, D-50937 Cologne, Germany.
[Ristivojevic, Zoran] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Japaridze, George I.] Andronikashvili Inst Phys, GE-0177 Tbilisi, Rep of Georgia.
[Japaridze, George I.] Ilia State Univ, GE-0162 Tbilisi, Rep of Georgia.
RP Ristivojevic, Z (reprint author), Univ Cologne, Inst Theoret Phys, Zulpicher Str 77, D-50937 Cologne, Germany.
FU Deutsche Forschungsgemeinschaft [NA222/5-2, SFB 608 (D4)]
FX We thank L. Chen and A. Petkovic for helpful discussions. This work is
supported by the Deutsche Forschungsgemeinschaft under the grant
NA222/5-2 and through SFB 608 (D4).
NR 26
TC 3
Z9 3
U1 0
U2 3
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 19
PY 2010
VL 104
IS 7
AR 076401
DI 10.1103/PhysRevLett.104.076401
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 557JD
UT WOS:000274664500039
PM 20366899
ER
PT J
AU Zhu, LJ
Ma, R
Sheng, L
Liu, M
Sheng, DN
AF Zhu, Lijun
Ma, Rong
Sheng, Li
Liu, Mei
Sheng, Dong-Ning
TI Universal Thermoelectric Effect of Dirac Fermions in Graphene
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID HIGH MAGNETIC-FIELD; INVERSION LAYER; TRANSITIONS; PHASE
AB We numerically study the thermoelectric transports of Dirac fermions in graphene in the presence of a strong magnetic field and disorder. We find that the thermoelectric transport coefficients demonstrate universal behavior depending on the ratio between the temperature and the width of the disorder-broadened Landau levels (LLs). The transverse thermoelectric conductivity alpha(xy) reaches a universal quantum value at the center of each LL in the high temperature regime, and it has a linear temperature dependence at low temperatures. The calculated Nernst signal has a peak at the central LL with heights of the order of k(B)/e, and changes sign near other LLs, while the thermopower has an opposite behavior, in good agreement with experimental data. The validity of the generalized Mott relation between the thermoelectric and electrical transport coefficients is verified in a wide range of temperatures.
C1 [Zhu, Lijun; Ma, Rong; Sheng, Dong-Ning] Calif State Univ Northridge, Dept Phys & Astron, Northridge, CA 91330 USA.
[Zhu, Lijun] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Zhu, Lijun] Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA.
[Ma, Rong; Liu, Mei] Southeast Univ, Dept Phys, Nanjing 210096, Peoples R China.
[Sheng, Li] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.
[Sheng, Li] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China.
RP Zhu, LJ (reprint author), Calif State Univ Northridge, Dept Phys & Astron, Northridge, CA 91330 USA.
FU U.S. DOE [DE-FG02-06ER46305, DE-AC52-06NA25396]; NSF [DMR-0605696,
0906816, PHY05-51164]; MRSEC [DMR-0819860]; China Scholarship Council;
Scientific Research Foundation of Graduate School of Southeast
University of China; NSFC [10874066]; National Basic Research Program of
China [2007CB925104, 2009CB929504]; doctoral foundation of Chinese
Universities [20060286044]
FX This work is supported by the U.S. DOE Grant No. DE-FG02-06ER46305 (L.
Z, D. N. S), the U. S. DOE at LANL under Contract No. DE-AC52-06NA25396
(L. Z), and the NSF Grants No. DMR-0605696 and No. 0906816 (R. M, D. N.
S). We also acknowledge partial support from Princeton MRSEC Grant No.
DMR-0819860, the KITP through the NSF Grant No. PHY05-51164, the State
Scholarship Fund from the China Scholarship Council, the Scientific
Research Foundation of Graduate School of Southeast University of China
(R. M), the NSFC Grant No. 10874066, the National Basic Research Program
of China under Grants No. 2007CB925104 and No. 2009CB929504, (L. S), and
the doctoral foundation of Chinese Universities under Grant No.
20060286044 (M. L).
NR 20
TC 33
Z9 33
U1 1
U2 34
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 19
PY 2010
VL 104
IS 7
AR 076804
DI 10.1103/PhysRevLett.104.076804
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 557JD
UT WOS:000274664500044
PM 20366904
ER
PT J
AU Tagmount, A
Wang, M
Lindquist, E
Tanaka, Y
Teranishi, KS
Sunagawa, S
Wong, M
Stillman, JH
AF Tagmount, Abderrahmane
Wang, Mei
Lindquist, Erika
Tanaka, Yoshihiro
Teranishi, Kristen S.
Sunagawa, Shinichi
Wong, Mike
Stillman, Jonathon H.
TI The Porcelain Crab Transcriptome and PCAD, the Porcelain Crab Microarray
and Sequence Database
SO PLOS ONE
LA English
DT Article
ID THERMAL TOLERANCE LIMITS; GENUS PETROLISTHES; IMPLEMENTATION;
IDENTIFICATION; ACCLIMATION; CRUSTACEANS; PHYLOGENY; CINCTIPES;
GENOMICS; COPEPODS
AB Background: With the emergence of a completed genome sequence of the freshwater crustacean Daphnia pulex, construction of genomic-scale sequence databases for additional crustacean sequences are important for comparative genomics and annotation. Porcelain crabs, genus Petrolisthes, have been powerful crustacean models for environmental and evolutionary physiology with respect to thermal adaptation and understanding responses of marine organisms to climate change. Here, we present a large-scale EST sequencing and cDNA microarray database project for the porcelain crab Petrolisthes cinctipes.
Methodology/Principal Findings: A set of similar to 30K unique sequences (UniSeqs) representing similar to 19K clusters were generated from similar to 98K high quality ESTs from a set of tissue specific non-normalized and mixed-tissue normalized cDNA libraries from the porcelain crab Petrolisthes cinctipes. Homology for each UniSeq was assessed using BLAST, InterProScan, GO and KEGG database searches. Approximately 66% of the UniSeqs had homology in at least one of the databases. All EST and UniSeq sequences along with annotation results and coordinated cDNA microarray datasets have been made publicly accessible at the Porcelain Crab Array Database (PCAD), a feature-enriched version of the Stanford and Longhorn Array Databases.
Conclusions/Significance: The EST project presented here represents the third largest sequencing effort for any crustacean, and the largest effort for any crab species. Our assembly and clustering results suggest that our porcelain crab EST data set is equally diverse to the much larger EST set generated in the Daphnia pulex genome sequencing project, and thus will be an important resource to the Daphnia research community. Our homology results support the pancrustacea hypothesis and suggest that Malacostraca may be ancestral to Branchiopoda and Hexapoda. Our results also suggest that our cDNA microarrays cover as much of the transcriptome as can reasonably be captured in EST library sequencing approaches, and thus represent a rich resource for studies of environmental genomics.
C1 [Tagmount, Abderrahmane; Tanaka, Yoshihiro; Teranishi, Kristen S.; Stillman, Jonathon H.] San Francisco State Univ, Romberg Tiburon Ctr, Tiburon, CA USA.
[Tagmount, Abderrahmane; Tanaka, Yoshihiro; Teranishi, Kristen S.; Stillman, Jonathon H.] San Francisco State Univ, Dept Biol, Tiburon, CA USA.
[Wang, Mei; Lindquist, Erika] Joint Genome Inst, Dept Energy, Walnut Creek, CA USA.
[Sunagawa, Shinichi] Univ Calif Merced, Sch Nat Sci, Merced, CA USA.
[Wong, Mike] San Francisco State Univ, Ctr Comp Life Sci, San Francisco, CA 94132 USA.
[Stillman, Jonathon H.] Univ Calif Berkeley, Dept Integrat Biol, Berkeley, CA 94720 USA.
RP Tagmount, A (reprint author), San Francisco State Univ, Romberg Tiburon Ctr, Tiburon, CA USA.
EM stillmaj@sfsu.edu
RI Sunagawa, Shinichi/D-9715-2011
OI Sunagawa, Shinichi/0000-0003-3065-0314
FU National Science Foundation NSF-IOB [IOB 0533920]; San Francisco State
University Center for Computing in the Life Sciences; San Francisco
State University; University of California, Lawrence Livermore National
Laboratory [W-7405-Eng-48]; Lawrence Berkeley National Laboratory
[DE-AC02-05CH11231]; Los Alamos National Laboratory [W-7405-ENG-36]
FX This work was supported by National Science Foundation NSF-IOB 0533920
to J.H.S. (http://www.nsf.gov), a San Francisco State University Center
for Computing in the Life Sciences Mini-Grant to J.H.S.
(http://cs.sfsu.edu/ccls/), a San Francisco State University
Presidential Mini-Grant to J.H.S. (http://www.sfsu.edu), and DNA
sequencing was performed as a part of a 2006 Community Sequencing
Project (http://www.jgi.doe.gov/sequencing/cspseqplans2006.html), under
the auspices of the US Department of Energy's Office of Science,
Biological, and Environmental Research Program, and by the University of
California, Lawrence Livermore National Laboratory under Contract No.
W-7405-Eng-48, Lawrence Berkeley National Laboratory under Contract No.
DE-AC02-05CH11231 and Los Alamos National Laboratory under Contract No.
W-7405-ENG-36. The funders had no role in study design, data collection
and analysis, decision to publish, or preparation of the manuscript.
NR 38
TC 17
Z9 17
U1 1
U2 16
PU PUBLIC LIBRARY SCIENCE
PI SAN FRANCISCO
PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA
SN 1932-6203
J9 PLOS ONE
JI PLoS One
PD FEB 19
PY 2010
VL 5
IS 2
AR e9327
DI 10.1371/journal.pone.0009327
PG 12
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 560SS
UT WOS:000274923700025
PM 20174471
ER
PT J
AU Borucki, WJ
Koch, D
Basri, G
Batalha, N
Brown, T
Caldwell, D
Caldwell, J
Christensen-Dalsgaard, J
Cochran, WD
DeVore, E
Dunham, EW
Dupree, AK
Gautier, TN
Geary, JC
Gilliland, R
Gould, A
Howell, SB
Jenkins, JM
Kondo, Y
Latham, DW
Marcy, GW
Meibom, S
Kjeldsen, H
Lissauer, JJ
Monet, DG
Morrison, D
Sasselov, D
Tarter, J
Boss, A
Brownlee, D
Owen, T
Buzasi, D
Charbonneau, D
Doyle, L
Fortney, J
Ford, EB
Holman, MJ
Seager, S
Steffen, JH
Welsh, WF
Rowe, J
Anderson, H
Buchhave, L
Ciardi, D
Walkowicz, L
Sherry, W
Horch, E
Isaacson, H
Everett, ME
Fischer, D
Torres, G
Johnson, JA
Endl, M
MacQueen, P
Bryson, ST
Dotson, J
Haas, M
Kolodziejczak, J
Van Cleve, J
Chandrasekaran, H
Twicken, JD
Quintana, EV
Clarke, BD
Allen, C
Li, J
Wu, H
Tenenbaum, P
Verner, E
Bruhweiler, F
Barnes, J
Prsa, A
AF Borucki, William J.
Koch, David
Basri, Gibor
Batalha, Natalie
Brown, Timothy
Caldwell, Douglas
Caldwell, John
Christensen-Dalsgaard, Jorgen
Cochran, William D.
DeVore, Edna
Dunham, Edward W.
Dupree, Andrea K.
Gautier, Thomas N., III
Geary, John C.
Gilliland, Ronald
Gould, Alan
Howell, Steve B.
Jenkins, Jon M.
Kondo, Yoji
Latham, David W.
Marcy, Geoffrey W.
Meibom, Soren
Kjeldsen, Hans
Lissauer, Jack J.
Monet, David G.
Morrison, David
Sasselov, Dimitar
Tarter, Jill
Boss, Alan
Brownlee, Don
Owen, Toby
Buzasi, Derek
Charbonneau, David
Doyle, Laurance
Fortney, Jonathan
Ford, Eric B.
Holman, Matthew J.
Seager, Sara
Steffen, Jason H.
Welsh, William F.
Rowe, Jason
Anderson, Howard
Buchhave, Lars
Ciardi, David
Walkowicz, Lucianne
Sherry, William
Horch, Elliott
Isaacson, Howard
Everett, Mark E.
Fischer, Debra
Torres, Guillermo
Johnson, John Asher
Endl, Michael
MacQueen, Phillip
Bryson, Stephen T.
Dotson, Jessie
Haas, Michael
Kolodziejczak, Jeffrey
Van Cleve, Jeffrey
Chandrasekaran, Hema
Twicken, Joseph D.
Quintana, Elisa V.
Clarke, Bruce D.
Allen, Christopher
Li, Jie
Wu, Haley
Tenenbaum, Peter
Verner, Ekaterina
Bruhweiler, Frederick
Barnes, Jason
Prsa, Andrej
TI Kepler Planet-Detection Mission: Introduction and First Results
SO SCIENCE
LA English
DT Article
ID EXOPLANETS; HAT-P-7B; EARTH; FIELD; STAR
AB The Kepler mission was designed to determine the frequency of Earth-sized planets in and near the habitable zone of Sun-like stars. The habitable zone is the region where planetary temperatures are suitable for water to exist on a planet's surface. During the first 6 weeks of observations, Kepler monitored 156,000 stars, and five new exoplanets with sizes between 0.37 and 1.6 Jupiter radii and orbital periods from 3.2 to 4.9 days were discovered. The density of the Neptune-sized Kepler-4b is similar to that of Neptune and GJ 436b, even though the irradiation level is 800,000 times higher. Kepler-7b is one of the lowest-density planets (similar to 0.17 gram per cubic centimeter) yet detected. Kepler-5b, -6b, and -8b confirm the existence of planets with densities lower than those predicted for gas giant planets.
C1 [Borucki, William J.; Koch, David; Lissauer, Jack J.; Morrison, David; Rowe, Jason; Bryson, Stephen T.; Dotson, Jessie; Haas, Michael] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA.
[Basri, Gibor; Marcy, Geoffrey W.; Anderson, Howard; Walkowicz, Lucianne; Isaacson, Howard] Univ Calif Berkeley, Berkeley, CA 94720 USA.
[Batalha, Natalie] San Jose State Univ, San Jose, CA 95192 USA.
[Brown, Timothy] Las Cumbres Observ Global Telescope, Goleta, CA 93117 USA.
[Caldwell, Douglas; DeVore, Edna; Jenkins, Jon M.; Tarter, Jill; Doyle, Laurance; Van Cleve, Jeffrey; Chandrasekaran, Hema; Twicken, Joseph D.; Quintana, Elisa V.; Clarke, Bruce D.; Li, Jie; Wu, Haley; Tenenbaum, Peter] SETI Inst, Mountain View, CA 94043 USA.
[Christensen-Dalsgaard, Jorgen; Kjeldsen, Hans] Aarhus Univ, Aarhus, Denmark.
[Cochran, William D.; Endl, Michael; MacQueen, Phillip] Univ Texas Austin, McDonald Observ, Austin, TX 78712 USA.
[Dunham, Edward W.] Lowell Observ, Flagstaff, AZ 86001 USA.
[Gautier, Thomas N., III] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA.
[Dupree, Andrea K.; Geary, John C.; Latham, David W.; Meibom, Soren; Sasselov, Dimitar; Charbonneau, David; Holman, Matthew J.; Buchhave, Lars; Torres, Guillermo] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA.
[Gilliland, Ronald] Space Telescope Sci Inst, Baltimore, MD 21218 USA.
[Monet, David G.] US Naval Observ, Flagstaff, AZ 86001 USA.
[Ford, Eric B.] Univ Florida, Gainesville, FL 32611 USA.
[Everett, Mark E.] Planetary Sci Inst, Tucson, AZ 85719 USA.
[Howell, Steve B.; Sherry, William] Natl Opt Astron Observ, Tucson, AZ 85719 USA.
[Fischer, Debra] Yale Univ, New Haven, CT 06520 USA.
[Caldwell, John] York Univ, N York, ON M3J 1P3, Canada.
[Gould, Alan] Lawrence Hall Sci, Berkeley, CA 94720 USA.
[Boss, Alan] Carnegie Inst Washington, Washington, DC 20015 USA.
[Owen, Toby] Univ Hawaii, Hilo, HI 96720 USA.
[Brownlee, Don] Univ Washington, Seattle, WA 98195 USA.
[Buzasi, Derek] Eureka Sci, Oakland, CA 94602 USA.
[Horch, Elliott] So Connecticut State Univ, New Haven, CT 06515 USA.
[Fortney, Jonathan] Univ Calif Santa Cruz, Santa Cruz, CA 95064 USA.
[Seager, Sara] MIT, Cambridge, MA 02139 USA.
[Steffen, Jason H.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Welsh, William F.] San Diego State Univ, San Diego, CA 92182 USA.
[Ciardi, David; Johnson, John Asher] CALTECH, Exoplanet Sci Inst, Pasadena, CA 91125 USA.
[Kondo, Yoji] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20025 USA.
[Kolodziejczak, Jeffrey] George C Marshall Space Flight Ctr, Huntsville, AL 35805 USA.
[Allen, Christopher] Orbital Sci, Mountain View, CA 94043 USA.
[Verner, Ekaterina; Bruhweiler, Frederick] Catholic Univ Amer, Washington, DC 20064 USA.
[Barnes, Jason] Univ Idaho, Moscow, ID 83844 USA.
[Prsa, Andrej] Villanova Univ, Villanova, PA 19085 USA.
RP Borucki, WJ (reprint author), NASA, Ames Res Ctr, Moffett Field, CA 94035 USA.
EM William.J.Borucki@nasa.gov
RI Barnes, Jason/B-1284-2009; Steffen, Jason/A-4320-2013; rowe,
james/C-3661-2013; Caldwell, Douglas/L-7911-2014;
OI Barnes, Jason/0000-0002-7755-3530; Ciardi, David/0000-0002-5741-3047;
rowe, james/0000-0001-7216-8679; Buchhave, Lars A./0000-0003-1605-5666;
Caldwell, Douglas/0000-0003-1963-9616; Fortney,
Jonathan/0000-0002-9843-4354
FU NASA
FX Kepler was competitively selected as the 10th Discovery mission. Funding
for this mission is provided by NASA's Science Mission Directorate.
NR 33
TC 946
Z9 947
U1 30
U2 199
PU AMER ASSOC ADVANCEMENT SCIENCE
PI WASHINGTON
PA 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 USA
SN 0036-8075
J9 SCIENCE
JI Science
PD FEB 19
PY 2010
VL 327
IS 5968
BP 977
EP 980
DI 10.1126/science.1185402
PG 4
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 556XE
UT WOS:000274625800034
PM 20056856
ER
PT J
AU Ng, DCM
Song, T
Siu, SO
Siu, CK
Laskin, J
Chut, IK
AF Ng, Dominic C. M.
Song, Tao
Siu, S. O.
Siu, C. K.
Laskin, Julia
Chut, Ivan K.
TI Formation, Isomerization, and Dissociation of alpha-Carbon-Centered and
pi-Centered Glycylglycyltryptophan Radical Cations
SO JOURNAL OF PHYSICAL CHEMISTRY B
LA English
DT Article
ID ELECTRON-CAPTURE DISSOCIATION; GAS-PHASE FRAGMENTATION;
MASS-SPECTROMETRY; PEPTIDE RADICALS; PRODUCT IONS; AMINO-ACIDS; GLYCINE;
GENERATION; COMPLEXES; HISTIDINE
AB Gas phase fragmentations of two isomeric radical cationic tripeptides of glycylglycyltryptophan-[G(center dot)GW](+) and [GGW](center dot+)-with well-defined initial radical sites at the alpha-carbon atom and the 3-methylindole ring, respectively, have been studied using collision-induced dissociation (CID), density functional theory (DFT), and Rice-Ramsperger-Kassel-Marcus (RRKM) theory. Substantially different low-energy CID spectra were obtained for these two isomeric GGW structures, suggesting that they did not interconvert on the time scale of these experiments. DFT and RRKM calculations were used to investigate the influence of the kinetics, stabilities, and locations of the radicals on the competition between the isomerization and dissociation channels. The calculated isomerization barrier between the GGW radical cations (>35.4 kcal/mol) was slightly higher than the barrier for competitive dissociation of these species (<30.5 kcal/mol); the corresponding microcanonical rate constants for isomerization obtained from RRKM calculations were all considerably lower than the dissociation rates at all internal energies. Thus, interconversion between the GGW isomers examined in this study cannot compete with their fragmentations.
C1 [Ng, Dominic C. M.; Song, Tao; Siu, S. O.; Chut, Ivan K.] Univ Hong Kong, Dept Chem, Hong Kong, Hong Kong, Peoples R China.
[Siu, C. K.] City Univ Hong Kong, Dept Biol & Chem, Kowloon, Hong Kong, Peoples R China.
[Laskin, Julia] Pacific NW Natl Lab, Fundamental Sci Div, Richland, WA 99352 USA.
RP Chut, IK (reprint author), Univ Hong Kong, Dept Chem, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China.
EM ivankchu@hku.hk
RI Siu, Chi-Kit/E-5316-2010; Song, Tao/D-8800-2012; Laskin,
Julia/H-9974-2012
OI Siu, Chi-Kit/0000-0002-1162-6899; Laskin, Julia/0000-0002-4533-9644
FU University of Hong Kong (UGC); Hong Kong Research Grants Council,
Special Administrative Region, China [HKU 7018/06P, HKU 7012/08P]; U. S.
Department of Energy; City University of Hong Kong
FX Most of the research described in this manuscript was supported by the
University of Hong Kong (UGC) and the Hong Kong Research Grants Council,
Special Administrative Region, China (Project No. HKU 7018/06P and
Project No. HKU 7012/08P). D.C.M.N. and T.S. thank the Hong Kong RGC for
supporting their studentship. J.L. acknowledges support from the
Chemical Sciences Division, Office of Basic Energy Sciences of the U. S.
Department of Energy. Part of the work presented here was performed at
the W. R. Wiley Environmental Molecular Sciences Laboratory (EMSL), a
national scientific user facility sponsored by the U.S. Department of
Energy's Office of Biological and Environmental Research and located at
Pacific Northwest National Laboratory (PNNL). PNNL is operated by
Battelle for the U.S. Department of Energy. C.K.S. is grateful for
financial support from the City University of Hong Kong.
NR 57
TC 24
Z9 24
U1 1
U2 12
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1520-6106
J9 J PHYS CHEM B
JI J. Phys. Chem. B
PD FEB 18
PY 2010
VL 114
IS 6
BP 2270
EP 2280
DI 10.1021/jp908599a
PG 11
WC Chemistry, Physical
SC Chemistry
GA 553GV
UT WOS:000274355400023
PM 20099850
ER
PT J
AU Chi, FL
Guo, YN
Liu, J
Liu, YL
Huo, QS
AF Chi, Fangli
Guo, Ya-Nan
Liu, Jun
Liu, Yunling
Huo, Qisheng
TI Size-Tunable and Functional Core-Shell Structured Silica Nanoparticles
for Drug Release
SO JOURNAL OF PHYSICAL CHEMISTRY C
LA English
DT Article
ID BLOCK-COPOLYMER MICELLES; DELIVERY-SYSTEMS; POLYMERIC MICELLES;
CANCER-THERAPY; PYRENE; GEL; SOLUBILIZATION; NANOMEDICINE; FLUORESCENCE;
AGGREGATION
AB Size-tunable silica cross-linked micellar core-shell nanoparticles (SCMCSNs) were successfully synthesized from a Pluronic nonionic surfactant (F127) template system with organic swelling agents such as 1,3,5-trimethylbenzene (TMB) and octanoic acid at room temperature. The size and morphology of SCMCSNs were directly evidenced by TEM imaging and DLS measurements (up to similar to 90 nm). Pyrene and coumarin 153 (C153) were used as fluorescent probe molecules to investigate the effect and location of swelling agent molecules. Papaverine as a model drug was used to measure the loading capacity and release property of nanoparticles. The swelling agents can enlarge the nanoparticle size and improve the drug loading capacity of nanoparticles. Moreover, the carboxylic acid group of fatty acid can adjust the release behavior of the nanoparticles.
C1 [Chi, Fangli; Guo, Ya-Nan; Liu, Yunling; Huo, Qisheng] Jilin Univ, Coll Chem, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Peoples R China.
[Liu, Jun] Pacific NW Natl Lab, Richland, WA 99354 USA.
RP Huo, QS (reprint author), Jilin Univ, Coll Chem, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Peoples R China.
EM huoqisheng@jlu.edu.cn
FU National Nature Science Foundation of China [20788101, 20671041];
Pacific Northwest National Laboratory (PNNL) of USA; Office of Basic
Energy Sciences (BES); U.S. Department of Energy (DOE); Battelle
Memorial Institute for the Department of Energy [DE-AC05-76RL01830]
FX We greatly acknowledge financial support from the National Nature
Science Foundation of China (Grant Nos. 20788101 and 20671041),
Laboratory-Directed Research and Development Program (LDRD) of the
Pacific Northwest National Laboratory (PNNL) of USA, and the Office of
Basic Energy Sciences (BES), U.S. Department of Energy (DOE). PNNL is a
multiprogram laboratory operated by Battelle Memorial Institute for the
Department of Energy under contract DE-AC05-76RL01830.
NR 47
TC 31
Z9 33
U1 3
U2 60
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1932-7447
J9 J PHYS CHEM C
JI J. Phys. Chem. C
PD FEB 18
PY 2010
VL 114
IS 6
BP 2519
EP 2523
DI 10.1021/jp910460j
PG 5
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 553GQ
UT WOS:000274354800019
ER
PT J
AU Strmcnik, D
Hodnik, N
Hocevar, SB
van der Vliet, D
Zorko, M
Stamenkovic, VR
Pihlar, B
Markovic, NM
AF Strmcnik, D.
Hodnik, N.
Hocevar, S. B.
van der Vliet, D.
Zorko, M.
Stamenkovic, V. R.
Pihlar, B.
Markovic, N. M.
TI Novel Method for Fast Characterization of High-Surface-Area
Electrocatalytic Materials Using a Carbon Fiber Microelectrode
SO JOURNAL OF PHYSICAL CHEMISTRY C
LA English
DT Article
ID OXYGEN REDUCTION ACTIVITY; ROTATING-DISK ELECTRODE; HIGH-MASS TRANSPORT;
ELECTROCHEMICAL SENSORS; FUEL-CELLS; CATALYSTS; OXIDATION; HYDROGEN;
POISONS; CO
AB A carbon fiber microelectrode (CFME) was used for characterization of the nanoparticle catalysts as an alternative to the well-established rotating disk electrode (RDE) method. We found that the novel CFME method yielded comparable results to the RDE method when investigating the adsorption/desorption processes as well the specific activity for reactions such as the oxygen reduction reaction. Its major advantage over the RDE method is a fast sample preparation and rapid measurement, reducing significantly the time of a single sample characterization from 2-3 h to a favorable 5-10 min.
C1 [Strmcnik, D.; van der Vliet, D.; Stamenkovic, V. R.; Markovic, N. M.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Hodnik, N.; Hocevar, S. B.; Zorko, M.] Natl Inst Chem, Ljubljana 1000, Slovenia.
[Pihlar, B.] Univ Ljubljana, Fac Chem & Chem Technol, Ljubljana 1000, Slovenia.
RP Strmcnik, D (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
RI Hodnik, Nejc/H-8758-2013; van der Vliet, Dennis/P-2983-2015
OI Hodnik, Nejc/0000-0002-7113-9769; van der Vliet,
Dennis/0000-0002-2524-527X
FU University of Chicago [DE-AC02-06CH 11357]; Argonne; LLC; Argonne
National Laboratory; U.S. Department of Energy
FX This work was supported under Contract No. DE-AC02-06CH 11357 by the
University of Chicago and Argonne, LLC, Operator of Argonne National
Laboratory, and the U.S. Department of Energy.
NR 23
TC 9
Z9 9
U1 1
U2 17
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1932-7447
J9 J PHYS CHEM C
JI J. Phys. Chem. C
PD FEB 18
PY 2010
VL 114
IS 6
BP 2640
EP 2644
DI 10.1021/jp908939e
PG 5
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 553GQ
UT WOS:000274354800037
ER
PT J
AU Muller, H
Peters, A
Chu, S
AF Mueller, Holger
Peters, Achim
Chu, Steven
TI A precision measurement of the gravitational redshift by the
interference of matter waves
SO NATURE
LA English
DT Article
ID ATOMIC INTERFEROMETRY; GRAVITY; ACCELERATION; CLOCKS
AB One of the central predictions of metric theories of gravity, such as general relativity, is that a clock in a gravitational potential U will run more slowly by a factor of 1 + U/c(2), where c is the velocity of light, as compared to a similar clock outside the potential(1). This effect, known as gravitational redshift, is important to the operation of the global positioning system(2), timekeeping(3,4) and future experiments with ultra-precise, space-based clocks(5) (such as searches for variations in fundamental constants). The gravitational redshift has been measured using clocks on a tower(6), an aircraft(7) and a rocket(8), currently reaching an accuracy of 7 x 10(-5). Here we show that laboratory experiments based on quantum interference of atoms(9,10) enable a much more precise measurement, yielding an accuracy of 7 x 10(-9). Our result supports the view that gravity is a manifestation of space-time curvature, an underlying principle of general relativity that has come under scrutiny in connection with the search for a theory of quantum gravity(11). Improving the redshift measurement is particularly important because this test has been the least accurate among the experiments that are required to support curved space-time theories(1).
C1 [Mueller, Holger; Chu, Steven] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Mueller, Holger; Chu, Steven] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Peters, Achim] Humboldt Univ, Inst Phys, D-10117 Berlin, Germany.
[Chu, Steven] US DOE, Washington, DC 20585 USA.
RP Muller, H (reprint author), Univ Calif Berkeley, Dept Phys, 366 Le Conte Hall,MS 7300, Berkeley, CA 94720 USA.
EM hm@berkeley.edu
RI Peters, Achim/G-3742-2010; Mueller, Holger/E-3194-2015
FU National Science Foundation [9320142, 0400866, 0652332]; Air Force
Office of Scientific Research; Department of Energy; David and Lucile
Packard Foundation; National Institute of Standards and Technology
[60NANB9D9169]; European Science Foundation; European Space Agency;
German Space Agency DLR [DLR 50 WM 0346]
FX We thank F. Biraben, S.-w. Chiow, S. Herrmann, M. Hohensee, M. Kasevich,
G. Tino and P. Wolf for discussions. This material is based on work
supported by the National Science Foundation under grants 9320142,
0400866 and 0652332, by the Air Force Office of Scientific Research, and
the Department of Energy. H. M. acknowledges support by the David and
Lucile Packard Foundation and the National Institute of Standards and
Technology under grant 60NANB9D9169. A. P. acknowledges support by the
European Science Foundation's EUROCORES program, the European Space
Agency, and the German Space Agency DLR (grant DLR 50 WM 0346).
NR 30
TC 110
Z9 114
U1 4
U2 26
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 0028-0836
J9 NATURE
JI Nature
PD FEB 18
PY 2010
VL 463
IS 7283
BP 926
EP U96
DI 10.1038/nature08776
PG 5
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 556HZ
UT WOS:000274582700041
PM 20164925
ER
PT J
AU White, JS
Das, P
Eskildsen, MR
DeBeer-Schmitt, L
Forgan, EM
Bianchi, AD
Kenzelmann, M
Zolliker, M
Gerber, S
Gavilano, JL
Mesot, J
Movshovich, R
Bauer, ED
Sarrao, JL
Petrovic, C
AF White, J. S.
Das, P.
Eskildsen, M. R.
DeBeer-Schmitt, L.
Forgan, E. M.
Bianchi, A. D.
Kenzelmann, M.
Zolliker, M.
Gerber, S.
Gavilano, J. L.
Mesot, J.
Movshovich, R.
Bauer, E. D.
Sarrao, J. L.
Petrovic, C.
TI Observations of Pauli paramagnetic effects on the flux line lattice in
CeCoIn5
SO NEW JOURNAL OF PHYSICS
LA English
DT Article
ID ANGLE NEUTRON-SCATTERING; MIXED-STATE; HARD SUPERCONDUCTORS;
MAGNETIC-FIELD; VORTEX CORE
AB From small-angle neutron scattering studies of the flux line lattice (FLL) in CeCoIn5, with magnetic field applied parallel to the crystal c-axis, we obtain the field and temperature dependence of the FLL form factor (FF), which is a measure of the spatial variation of the field in the mixed state. We extend our earlier work (Bianchi et al 2008 Science 319 177) to temperatures up to 1250 mK. Over the entire temperature range, paramagnetism in the flux line cores results in an increase of the FF with field. Near H-c2 the FF decreases again, and our results indicate that this fall-off extends outside the proposed Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) region. Instead, we attribute the decrease to a paramagnetic suppression of Cooper pairing. At higher temperatures, a gradual crossover toward more conventional mixed state behavior is observed.
C1 [White, J. S.; Forgan, E. M.] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England.
[Das, P.; Eskildsen, M. R.; DeBeer-Schmitt, L.] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA.
[Bianchi, A. D.] Univ Montreal, Dept Phys, Montreal, PQ H3C 3J7, Canada.
[Bianchi, A. D.] Univ Montreal, Regrp Quebecois Mat Pointe, Montreal, PQ H3C 3J7, Canada.
[Kenzelmann, M.; Zolliker, M.] Paul Scherrer Inst, Lab Dev & Methods, CH-5232 Villigen, Switzerland.
[Gerber, S.; Gavilano, J. L.; Mesot, J.] ETH, Neutron Scattering Lab, CH-5232 Villigen, Switzerland.
[Mesot, J.] Ecole Polytech Fed Lausanne, Inst Phys Mat Complexe, CH-1015 Lausanne, Switzerland.
[Movshovich, R.; Bauer, E. D.; Sarrao, J. L.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Petrovic, C.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[White, J. S.] Paul Scherrer Inst, Neutron Scattering Lab, CH-5232 Villigen, Switzerland.
RP White, JS (reprint author), Paul Scherrer Inst, Neutron Scattering Lab, CH-5232 Villigen, Switzerland.
EM jonathan.white@psi.ch
RI Bauer, Eric/D-7212-2011; Eskildsen, Morten/E-7779-2011; Gerber,
Simon/A-4566-2012; Das, Pinaki/C-2877-2012; Gavilano, Jorge/H-4910-2012;
White, Jonathan/G-2742-2010; DeBeer-Schmitt, Lisa/I-3313-2015; Petrovic,
Cedomir/A-8789-2009; Kenzelmann, Michel/A-8438-2008; Bianchi,
Andrea/E-9779-2010
OI Gerber, Simon/0000-0002-5717-2626; Bauer, Eric/0000-0003-0017-1937;
White, Jonathan/0000-0001-7738-0150; DeBeer-Schmitt,
Lisa/0000-0001-9679-3444; Petrovic, Cedomir/0000-0001-6063-1881;
Kenzelmann, Michel/0000-0001-7913-4826; Bianchi,
Andrea/0000-0001-9340-6971
FU EPSRC of the UK; US NSF [DMR-0804887]; Alfred P Sloan Foundation; NSERC
(Canada); FQRNT (Quebec); Canada Research Chair Foundation; Swiss
National Centre of Competence in Research program; European Commission
[RII3-CT-2003-505925]
FX We acknowledge valuable discussions with M Ichioka and K Machida.
Experiments were performed at the Swiss spallation neutron source SINQ,
Paul Scherrer Institut, Villigen, Switzerland. We acknowledge support
from the EPSRC of the UK, the US NSF through grant DMR-0804887, the
Alfred P Sloan Foundation, NSERC (Canada), FQRNT (Quebec), the Canada
Research Chair Foundation, the Swiss National Centre of Competence in
Research program 'Materials with Novel Electronic Properties', and from
the European Commission under the 6th Framework Programme through the
Key Action: Strengthening the European Research Area, Research
Infrastructures, Contract No. RII3-CT-2003-505925. Work at Los Alamos
was performed under the auspices of the US DOE. Part of this work was
carried out at the Brookhaven National Laboratory, which is operated for
the US Department of Energy by Brookhaven Science Associates
(DE-Ac02-98CH10886).
NR 49
TC 17
Z9 17
U1 0
U2 12
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 1367-2630
J9 NEW J PHYS
JI New J. Phys.
PD FEB 18
PY 2010
VL 12
AR 023026
DI 10.1088/1367-2630/12/2/023026
PG 11
WC Physics, Multidisciplinary
SC Physics
GA 558NE
UT WOS:000274749500002
ER
PT J
AU Munro, JB
Altman, RB
Tung, CS
Sanbonmatsu, KY
Blanchard, SC
AF Munro, James B.
Altman, Roger B.
Tung, Chang-Shung
Sanbonmatsu, Kevin Y.
Blanchard, Scott C.
TI A fast dynamic mode of the EF-G-bound ribosome
SO EMBO JOURNAL
LA English
DT Article
DE EF-G; ribosome; single molecule; translation; translocation
ID ELONGATION-FACTOR-G; TRANSFER-RNA-BINDING; ESCHERICHIA-COLI RIBOSOMES;
MESSENGER-RNA; HYBRID-STATE; 70S RIBOSOME; TRANSLATION ELONGATION;
INTERSUBUNIT MOVEMENT; CRYSTAL-STRUCTURE; SINGLE RIBOSOMES
AB A key intermediate in translocation is an 'unlocked state' of the pre-translocation ribosome in which the P-site tRNA adopts the P/E hybrid state, the L1 stalk domain closes and ribosomal subunits adopt a ratcheted configuration. Here, through two-and three-colour smFRET imaging from multiple structural perspectives, EF-G is shown to accelerate structural and kinetic pathways in the ribosome, leading to this transition. The EF-G-bound ribosome remains highly dynamic in nature, wherein, the unlocked state is transiently and reversibly formed. The P/E hybrid state is energetically favoured, but exchange with the classical P/P configuration persists; the L1 stalk adopts a fast dynamic mode characterized by rapid cycles of closure and opening. These data support a model in which P/E hybrid state formation, L1 stalk closure and subunit ratcheting are loosely coupled, independent processes that must converge to achieve the unlocked state. The highly dynamic nature of these motions, and their sensitivity to conformational and compositional changes in the ribosome, suggests that regulating the formation of this intermediate may present an effective avenue for translational control. The EMBO Journal (2010) 29, 770-781. doi: 10.1038/emboj.2009.384; Published online 24 December 2009
C1 [Munro, James B.; Altman, Roger B.; Blanchard, Scott C.] Cornell Univ, Weill Cornell Med Coll, Dept Physiol & Biophys, New York, NY 10021 USA.
[Tung, Chang-Shung; Sanbonmatsu, Kevin Y.] Los Alamos Natl Lab, Div Theoret, Theoret Biol & Biophys Grp, Los Alamos, NM USA.
RP Blanchard, SC (reprint author), Cornell Univ, Weill Cornell Med Coll, Dept Physiol & Biophys, 1300 York Ave,Whitney 205, New York, NY 10021 USA.
EM scb2005@med.cornell.edu
RI Blanchard, Scott/A-5804-2009
FU NIH [1R01GM079238-01]; Alice Bohmfalk Charitable Trust; NYSTAR
FX We thank Mark Cava (RSP Amino Acids) for his assistance with
fluorescently labelling EF-G, and members of the Blanchard laboratory
for critical discussions during the writing of this paper. This study
was supported by NIH grant 1R01GM079238-01, the Alice Bohmfalk
Charitable Trust, and NYSTAR.
NR 56
TC 48
Z9 48
U1 0
U2 7
PU NATURE PUBLISHING GROUP
PI NEW YORK
PA 75 VARICK ST, 9TH FLR, NEW YORK, NY 10013-1917 USA
SN 0261-4189
J9 EMBO J
JI Embo J.
PD FEB 17
PY 2010
VL 29
IS 4
BP 770
EP 781
DI 10.1038/emboj.2009.384
PG 12
WC Biochemistry & Molecular Biology; Cell Biology
SC Biochemistry & Molecular Biology; Cell Biology
GA 556PX
UT WOS:000274604600008
PM 20033061
ER
PT J
AU Edwards, MK
Fiskum, SK
Shimskey, RW
Peterson, RA
AF Edwards, Matthew K.
Fiskum, Sandra K.
Shimskey, Rick W.
Peterson, Reid A.
TI Leaching Characteristics of Hanford Ferrocyanide Wastes
SO INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
LA English
DT Article
AB A series of leach tests were performed on actual Hanford Site tank wastes in support of the Hanford Tank Waste Treatment and Immobilization Plant (WTP). The samples were targeted composite slurries of high-level tank waste materials representing major complex, radioactive, tank waste mixtures at the Hanford Site. Using a filtration/leaching apparatus, sample solids were concentrated, caustic leached, and washed under conditions representative of those planned for the Pretreatment Facility in the WTP. Caustic leaching was performed to assess the mobilization of aluminum (as gibbsite, Al[OH](3), and boehmite AlO[OH]), phosphates [PO(4)(3-)], chromium [Cr(3+)], and, to a lesser extent, oxalates [C(2)O(4)(2-)]). Ferrocyanide waste released solid phase (137)Cs during caustic leaching; this was antithetical to the other Hanford waste types studied. Previous testing on ferrocyanide tank waste focused on the aging of the ferrocyanide salt complex and its thermal compatibilities with nitrites and nitrates. Few studies, however, examined cesium mobilization in the waste. Careful consideration should be given to the pretreatment of ferrocyanide wastes in light of this new observed behavior, given the fact that previous testing on simulants indicates a vastly different cesium mobility in this waste form. The discourse of this work will address the overall ferrocyanide leaching characteristics as well as the behavior of the (137)Cs during leaching.
C1 [Edwards, Matthew K.; Fiskum, Sandra K.; Shimskey, Rick W.; Peterson, Reid A.] Pacific NW Natl Lab, Dept Separat & Radiochem, Richland, WA 99352 USA.
RP Edwards, MK (reprint author), Pacific NW Natl Lab, Dept Separat & Radiochem, 902 Battelle Blvd,POB 999, Richland, WA 99352 USA.
EM matthew.edwards@pnl.gov
OI Peterson, Reid/0000-0003-3368-1896
NR 16
TC 3
Z9 3
U1 0
U2 4
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0888-5885
J9 IND ENG CHEM RES
JI Ind. Eng. Chem. Res.
PD FEB 17
PY 2010
VL 49
IS 4
BP 1792
EP 1798
DI 10.1021/ie901034m
PG 7
WC Engineering, Chemical
SC Engineering
GA 553CM
UT WOS:000274342500042
ER
PT J
AU Carpenter, DL
Bain, RL
Davis, RE
Dutta, A
Feik, CJ
Gaston, KR
Jablonski, W
Phillips, SD
Nimlos, MR
AF Carpenter, Daniel L.
Bain, Richard L.
Davis, Ryan E.
Dutta, Abhijit
Feik, Calvin J.
Gaston, Katherine R.
Jablonski, Whitney
Phillips, Steven D.
Nimlos, Mark R.
TI Pilot-Scale Gasification of Corn Stover, Switchgrass, Wheat Straw, and
Wood: 1. Parametric Study and Comparison with Literature
SO INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
LA English
DT Article
ID BIOMASS GASIFICATION; STEAM GASIFICATION; FLUIDIZED-BED; MOLECULAR
CHARACTERIZATION; PYROLYSIS; FUELS
AB A parametric study of the gasification of four feedstocks (corn stover, switchgrass, wheat straw, and wood) has been performed on an experimental, pilot-scale (0.5 ton/day) gasification facility. A comparison was made of the performance of the gasifier as a function of feedstock, in terms of the syngas production and composition. In these experiments, pelletized feedstock was used, so that the shapes and sizes of the materials did not influence the results. A total of 22 statistically designed experimental conditions were examined for each feedstock, including the effects of varying the temperature of the fluidized bed, the temperature of the secondary thermal cracker, and the steam-to-biomass ratio. For each experimental condition, the permanent-gas composition was measured continuously by gas chromatography (GC). Tars were measured continuously using a molecular-beam mass spectrometer (MBMS). Sulfur analysis by GC was also conducted for three of the feedstocks Studied. The results from this study show that there were significant differences between the feedstocks studied in terms of light gases formed, but less apparent variation in tar formation. In general, the variations in products were smaller at higher temperatures. A preliminary analysis of gasifier efficiency was performed using an Aspen Plus process model for selected gasification conditions. Finally, a comparison was made between the results of this work and other similar biomass gasification studies.
C1 [Carpenter, Daniel L.; Bain, Richard L.; Davis, Ryan E.; Dutta, Abhijit; Feik, Calvin J.; Gaston, Katherine R.; Jablonski, Whitney; Phillips, Steven D.; Nimlos, Mark R.] Natl Renewable Energy Lab, Natl Bioenergy Ctr, Golden, CO 80401 USA.
RP Carpenter, DL (reprint author), Natl Renewable Energy Lab, Natl Bioenergy Ctr, 1617 Cole Blvd, Golden, CO 80401 USA.
EM daniel.carpenter@nrel.gov
OI Gaston, Katherine/0000-0002-1162-0905
FU U.S. Department of Energy [DE-AC36-99GO10337]
FX This work was supported by the U.S. Department of Energy's Biomass
Program, under Contract DE-AC36-99GO10337 with the National Renewable
Energy Laboratory. The authors thank Justin Sluiter, Courtney Payne,
Robert Sykes, and Dr. Ed Wolfrum for providing the biomass wet chemical
analysis at NREL. The authors also thank Ray Hansen, Jason Hrdlicka,
Rick French, Marc Pomeroy, and Jason Thibodeaux for pilot-plant and
analytical equipment operation during several round-the-clock campaigns.
NR 23
TC 64
Z9 64
U1 6
U2 56
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0888-5885
J9 IND ENG CHEM RES
JI Ind. Eng. Chem. Res.
PD FEB 17
PY 2010
VL 49
IS 4
BP 1859
EP 1871
DI 10.1021/ie900595m
PG 13
WC Engineering, Chemical
SC Engineering
GA 553CM
UT WOS:000274342500050
ER
PT J
AU Revil, A
Mendonca, CA
Atekwana, EA
Kulessa, B
Hubbard, SS
Bohlen, KJ
AF Revil, A.
Mendonca, C. A.
Atekwana, E. A.
Kulessa, B.
Hubbard, S. S.
Bohlen, K. J.
TI Understanding biogeobatteries: Where geophysics meets microbiology
SO JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES
LA English
DT Article
ID SELF-POTENTIAL MEASUREMENTS; MANUFACTURED-GAS PLANT; ELECTRON-TRANSFER;
GEOBACTER-SULFURREDUCENS; REDOX CONDITIONS; FUEL-CELLS; CONTAMINATED
GROUNDWATER; SOIL MIGRATION; ORE-DEPOSITS; ELECTRICITY
AB Although recent research suggests that contaminant plumes behave as geobatteries that produce an electrical current in the ground, no associated model exists that honors both geophysical and biogeochemical constraints. Here, we develop such a model to explain the two main electrochemical contributions to self-potential signals in contaminated areas. Both contributions are associated with the gradient of the activity of two types of charge carriers, ions and electrons. In the case of electrons, bacteria act as catalysts for reducing the activation energy needed to exchange the electrons between electron donors and electron acceptors. Possible mechanisms that facilitate electron migration include iron oxides, clays, and conductive biological materials, such as bacterial conductive pili or other conductive extracellular polymeric substances. Because we explicitly consider the role of biotic processes in the geobattery model, we coined the term "biogeobattery." After theoretical development of the biogeobattery model, we compare model predictions with self-potential responses associated with laboratory and field scale investigations conducted in contaminated environments. We demonstrate that the amplitude and polarity of large (>100 mV) self-potential signatures requires the presence of an electronic conductor to serve as a bridge between electron donors and acceptors. Small self-potential anomalies imply that electron donors and electron acceptors are not directly interconnected, but instead result simply from the gradient of the activity of the ionic species that are present in the system.
C1 [Revil, A.; Bohlen, K. J.] Colorado Sch Mines, Dept Geophys, Golden, CO 80401 USA.
[Revil, A.] Univ Savoie, CNRS, UMR 5559, Equipe Volcan,LGIT, Le Bourget Du Lac, France.
[Mendonca, C. A.] Inst Astron, BR-05508090 Sao Paulo, Brazil.
[Atekwana, E. A.] Oklahoma State Univ, Boone Pickens Sch Geol, Stillwater, OK 74078 USA.
[Kulessa, B.] Swansea Univ, Sch Environm & Soc, Swansea SA2 8PP, W Glam, Wales.
[Hubbard, S. S.] Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Revil, A (reprint author), Colorado Sch Mines, Dept Geophys, 1500 Illinois St, Golden, CO 80401 USA.
EM arevil@mines.edu; mendonca@iag.usp.br; estella.atekwana@okstate.edu;
b.kulessa@swansea.ac.uk; sshubbard@lbl.gov
RI Mendonca, Carlos/E-7783-2015; Hubbard, Susan/E-9508-2010
OI Mendonca, Carlos/0000-0003-0400-6373;
FU Office of Science (BER), U.S. Department of Energy [DE-AC0205CH11231,
DE-FG02-08ER646559, DE-FG02-07ER64413]; CAM; Brazilian Research Council
CNPq [482381/2007-8]
FX This research was supported by the Office of Science (BER), U.S.
Department of Energy, grants DE-AC0205CH11231, DE-FG02-08ER646559, and
DE-FG02-07ER64413, and a CAM Scholarship to C. A. Mendonca from the
Brazilian Research Council CNPq 482381/2007-8. We thank E. E. Roden and
Y. Gorby for fruitful discussions. We want to express our deep gratitude
to three exceptional referees who provided very useful comments to our
manuscript.
NR 68
TC 38
Z9 40
U1 7
U2 45
PU AMER GEOPHYSICAL UNION
PI WASHINGTON
PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA
SN 0148-0227
J9 J GEOPHYS RES-BIOGEO
JI J. Geophys. Res.-Biogeosci.
PD FEB 17
PY 2010
VL 115
AR G00G02
DI 10.1029/2009JG001065
PG 22
WC Environmental Sciences; Geosciences, Multidisciplinary
SC Environmental Sciences & Ecology; Geology
GA 558ZS
UT WOS:000274789700001
ER
PT J
AU Lee, HO
Kurita, N
Ho, PC
Condron, CL
Klavins, P
Kauzlarich, SM
Maple, MB
Movshovich, R
Bauer, ED
Thompson, JD
Fisk, Z
AF Lee, Han-Oh
Kurita, Nobuyuki
Ho, Pei-chun
Condron, Cathie L.
Klavins, Peter
Kauzlarich, Susan M.
Maple, M. B.
Movshovich, R.
Bauer, E. D.
Thompson, J. D.
Fisk, Z.
TI Weak coupling magnetism in Ce4Pt12Sn25: a small exchange limit in the
Doniach phase diagram
SO JOURNAL OF PHYSICS-CONDENSED MATTER
LA English
DT Article
ID FERMI-LIQUID BEHAVIOR; KONDO-LATTICE; ANTIFERROMAGNETISM; ALLOYS;
METALS; FIELD; HEAT
AB Magnetic susceptibility, magnetization, specific heat, and electrical resistivity studies on single crystals of Ce4Pt12Sn25 reveal an antiferromagnetic transition at T-N = 0.19 K, which develops from a paramagnetic state with a very large specific heat coefficient (C/T) of 14 J mol(-1) K-2-Ce just above T-N. On the basis of its crystal structure and these measurements, we argue that a weak magnetic exchange interaction in Ce4Pt12Sn25 is responsible for its low ordering temperature and a negligible Kondo-derived contribution to physical properties above T-N. The anomalous enhancement of specific heat above T-N is suggested to be related, in part, to weak geometric frustration of f - moments in this compound.
C1 [Lee, Han-Oh; Kurita, Nobuyuki; Movshovich, R.; Bauer, E. D.; Thompson, J. D.; Fisk, Z.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Ho, Pei-chun] Calif State Univ Fresno, Dept Phys, Fresno, CA 93740 USA.
[Condron, Cathie L.; Kauzlarich, Susan M.] Univ Calif Davis, Dept Chem, Davis, CA 95616 USA.
[Klavins, Peter] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA.
[Maple, M. B.] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA.
[Fisk, Z.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA.
RP Lee, HO (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
RI Bauer, Eric/D-7212-2011; Kauzlarich, Susan/H-1439-2011;
OI Bauer, Eric/0000-0003-0017-1937
FU NSF-DMR [0854781, 0433560, 0802478, DMR-0600742]
FX This work was supported by NSF-DMR 0854781 and NSF-DMR 0433560 (HL and
ZF), NSF-DMR 0802478(PCH and MBM), and DMR-0600742(CLC and SMK). Work at
Los Alamos was performed under the auspices of the US Department of
Energy/Office of Science.
NR 19
TC 6
Z9 6
U1 0
U2 3
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0953-8984
EI 1361-648X
J9 J PHYS-CONDENS MAT
JI J. Phys.-Condes. Matter
PD FEB 17
PY 2010
VL 22
IS 6
AR 065601
DI 10.1088/0953-8984/22/6/065601
PG 5
WC Physics, Condensed Matter
SC Physics
GA 549FY
UT WOS:000274033700014
PM 21389371
ER
PT J
AU Murphy, WJ
Higginbotham, A
Kimminau, G
Barbrel, B
Bringa, EM
Hawreliak, J
Kodama, R
Koenig, M
McBarron, W
Meyers, MA
Nagler, B
Ozaki, N
Park, N
Remington, B
Rothman, S
Vinko, SM
Whitcher, T
Wark, JS
AF Murphy, W. J.
Higginbotham, A.
Kimminau, G.
Barbrel, B.
Bringa, E. M.
Hawreliak, J.
Kodama, R.
Koenig, M.
McBarron, W.
Meyers, M. A.
Nagler, B.
Ozaki, N.
Park, N.
Remington, B.
Rothman, S.
Vinko, S. M.
Whitcher, T.
Wark, J. S.
TI The strength of single crystal copper under uniaxial shock compression
at 100 GPa
SO JOURNAL OF PHYSICS-CONDENSED MATTER
LA English
DT Article
ID X-RAY-DIFFRACTION; MOLECULAR-DYNAMICS; STRAIN-RATE; PRESSURE; WAVES;
DEFORMATION; SIMULATION; PLASTICITY; RANGE
AB In situ x-ray diffraction has been used to measure the shear strain (and thus strength) of single crystal copper shocked to 100 GPa pressures at strain rates over two orders of magnitude higher than those achieved previously. For shocks in the [001] direction there is a significant associated shear strain, while shocks in the [111] direction give negligible shear strain. We infer, using molecular dynamics simulations and VISAR (standing for 'velocity interferometer system for any reflector') measurements, that the strength of the material increases dramatically ( to similar to 1 GPa) for these extreme strain rates.
C1 [Murphy, W. J.; Higginbotham, A.; Kimminau, G.; Nagler, B.; Vinko, S. M.; Whitcher, T.; Wark, J. S.] Univ Oxford, Dept Phys, Clarendon Lab, Oxford OX1 3PU, England.
[Barbrel, B.; Koenig, M.] Univ Paris 06, CNRS, CEA,Lab Utilisat Laser Intenses, Ecole Polytech,UMR7605, F-91128 Palaiseau, France.
[Bringa, E. M.] Univ Nacl Cuyo, Inst Ciencias Basicas, RA-5500 Mendoza, Argentina.
[Hawreliak, J.; Remington, B.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Kodama, R.; Ozaki, N.] Osaka Univ, Grad Sch Engn, Suita, Osaka 5650871, Japan.
[McBarron, W.; Park, N.; Rothman, S.] AWE, Mat Modelling Grp, Reading RG7 4PR, Berks, England.
[Meyers, M. A.] Univ Calif San Diego, Mat Sci & Engn Program, La Jolla, CA 92093 USA.
RP Murphy, WJ (reprint author), Univ Oxford, Dept Phys, Clarendon Lab, Parks Rd, Oxford OX1 3PU, England.
EM justin.wark@physics.ox.ac.uk
RI Higginbotham, Andrew/F-7910-2011; Bringa, Eduardo/F-8918-2011; Koenig,
Michel/A-2167-2012; Vinko, Sam/I-4845-2013; Kodama, Ryosuke/G-2627-2016;
Meyers, Marc/A-2970-2016
OI Vinko, Sam/0000-0003-1016-0975; Meyers, Marc/0000-0003-1698-5396
FU AWE Aldermaston; Daresbury Laboratory through the NorthWest Science
Fund; LLNL [B566832]; EU RTN FLASH; JSPS; MEXT
FX The authors gratefully acknowledge financial support from a number of
organizations. WJM was supported by AWE Aldermaston. AH was supported by
Daresbury Laboratory through the NorthWest Science Fund. GK has partial
support from LLNL under subcontract No. B566832. BN acknowledges support
from the EU RTN FLASH. NO was supported by the Core-to-Core Programme
from JSPS and the Global COE Programme from MEXT. Resources for large
scale computing were provided under the Institutional Grand Computing
Challenge at LLNL. The authors thank the target area and laser staff of
the VULCAN laser for their help in performing the experiment, and Ray
Smith for helpful discussions concerning VISAR.
NR 30
TC 42
Z9 43
U1 5
U2 20
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0953-8984
EI 1361-648X
J9 J PHYS-CONDENS MAT
JI J. Phys.-Condes. Matter
PD FEB 17
PY 2010
VL 22
IS 6
AR 065404
DI 10.1088/0953-8984/22/6/065404
PG 5
WC Physics, Condensed Matter
SC Physics
GA 549FY
UT WOS:000274033700012
PM 21389369
ER
PT J
AU Wu, HC
Anders, A
AF Wu, Hongchen
Anders, Andre
TI Energetic deposition of metal ions: observation of self-sputtering and
limited sticking for off-normal angles of incidence
SO JOURNAL OF PHYSICS D-APPLIED PHYSICS
LA English
DT Article
ID PHYSICAL VAPOR-DEPOSITION; VACUUM-ARC PLASMAS; HIGH-ASPECT-RATIO;
PREFERRED ORIENTATION; THIN-FILMS; SURFACES; TRENCHES; FLUX;
NEUTRALIZATION; DISTRIBUTIONS
AB The deposition of films under normal and off-normal angles of incidence has been investigated in order to explore the relevance of non-sticking and self-sputtering of energetic ions. Non-sticking and self-sputtering lead to the formation of neutral atoms which return to the plasma and affect its properties. The flow of energetic ions was obtained using a filtered cathodic arc system in high vacuum. The range of materials included Cu, Ag, Au, Pt, Ti and Ni. Consistent with molecular dynamics simulations published in the literature, the experiments showed that the combined effects of non-sticking and self-sputtering appear to be significant, although the relatively large error range of the experimental method would not allow us to derive quantitative data. It was shown that modest heating of the substrate and intentional introduction of oxygen background gas considerably affected the results.
C1 [Wu, Hongchen; Anders, Andre] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Wu, Hongchen] Beijing Aeronaut Mfg Technol Res Inst, Beijing 100024, Peoples R China.
RP Anders, A (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM aanders@lbl.gov
RI Anders, Andre/B-8580-2009
OI Anders, Andre/0000-0002-5313-6505
FU China Scholarship Committee; US Department of Energy [DE-AC02-05CH11231]
FX The authors thank Dr David Hanson of the Los Alamos National Laboratory
for comments and for providing the data shown in figures 1 and 2. The
work was supported by the China Scholarship Committee and by the US
Department of Energy under Contract No DE-AC02-05CH11231 with the
Lawrence Berkeley National Laboratory.
NR 50
TC 11
Z9 11
U1 0
U2 5
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0022-3727
J9 J PHYS D APPL PHYS
JI J. Phys. D-Appl. Phys.
PD FEB 17
PY 2010
VL 43
IS 6
AR 065206
DI 10.1088/0022-3727/43/6/065206
PG 7
WC Physics, Applied
SC Physics
GA 554BV
UT WOS:000274411400011
ER
PT J
AU Da Re, RE
Eglin, JL
Carlson, CN
John, KD
Morris, DE
Woodruff, WH
Bailey, JA
Batista, E
Martin, RL
Cotton, FA
Hillard, EA
Murillo, CA
Sattelberger, AP
Donohoe, RJ
AF Da Re, Ryan E.
Eglin, Judith L.
Carlson, Christin N.
John, Kevin D.
Morris, David E.
Woodruff, William H.
Bailey, James A.
Batista, Enrique
Martin, Richard L.
Cotton, F. Albert
Hillard, Elizabeth A.
Murillo, Carlos A.
Sattelberger, Alfred P.
Donohoe, Robert J.
TI Nature of Bonding in Complexes Containing "Supershort" Metal-Metal
Bonds. Raman and Theoretical Study of M-2(dmp)(4) [M = Cr (Natural
Abundance Cr, Cr-50, and Cr-54) and Mo; dmp=2,6-Dimethoxyphenyl]
SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Article
ID EFFECTIVE CORE POTENTIALS; CHROMIUM QUADRUPLE BOND; INTERNUCLEAR
DISTANCES; ELECTRONIC ABSORPTION; FORCE-CONSTANTS; TRIPLE BOND;
DICHROMIUM; SPECTRA; DIMOLYBDENUM; MO2(O2CCH3)4
AB We report an investigation of complexes of the type M-2(dmp)(4) (M = Mo, Cr, dmp = 2,6-dimethoxyphenyl) using resonance Raman (RR) spectroscopy, Cr isotopic substitution, and density functional theory (DFT) calculations Assignment of the Mo-Mo stretching vibration in the Mo-2 species is straightforward, as evidenced by a single resonance-enhanced band at 424 cm(-1), consistent with an essentially unmixed metal-metal stretch, and overtones of this vibration On the other hand, the Cr-2 congener has no obvious metal-metal stretching mode near 650-700 cm(-1), where empirical predictions based on the Cr-Cr distance as well as DFT calculations suggest that this vibration should appear if unmixed Instead, three bands are observed at 345, 363, and 387 cm(-1) that (a) have relative RR intensities that are sensitive to the Raman excitation frequency, (b) exhibit overtones and combinations in the RR spectra, and (c) shift in frequency upon isotopic substitution (Cr-50 and Cr-54) DFT calculations are used to model the vibrational data for the Mo-2 and Cr-2 systems. Both the DFT results and empirical predictions are in good agreement with experimental observations in the Mo-2 Complex, but both, while mutually consistent, differ radically from experiment in the Cr-2 complex Our experimental and theoretical results, especially the Cr isotope shifts, clearly demonstrate that the potential energy of the Cr-Cr stretching coordinate is distributed among several normal modes having both Cr-Cr and Cr-ligand character The general significance of these results in interpreting spectroscopic observations in terms of the nature of metal-metal multiple bonding is discussed
C1 [Eglin, Judith L.; Carlson, Christin N.; John, Kevin D.; Woodruff, William H.; Donohoe, Robert J.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA.
[Morris, David E.] Los Alamos Natl Lab, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA.
[Batista, Enrique; Martin, Richard L.] Los Alamos Natl Lab, Div Theory, Los Alamos, NM 87545 USA.
[Da Re, Ryan E.] ITT Corp, Adv Engn & Sci, Alexandria, VA 22303 USA.
[Bailey, James A.] Univ British Columbia Okanagan, Irving K Barber Sch Arts & Sci, Kelowna, BC V1V 1V7, Canada.
[Sattelberger, Alfred P.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Cotton, F. Albert; Murillo, Carlos A.] Texas A&M Univ, Dept Chem, Mol Struct & Bonding Lab, College Stn, TX 77842 USA.
[Hillard, Elizabeth A.] Ecole Natl Super Chim Paris, CNRS, UMR 7576, Lab Chim & Biochim Complexes Mol, F-75231 Paris 05, France.
RP John, KD (reprint author), Los Alamos Natl Lab, Div Chem, POB 1663, Los Alamos, NM 87545 USA.
RI Morris, David/A-8577-2012;
OI Hillard, Elizabeth/0000-0002-5149-0324
FU Los Alamos National Laboratory Directed Research and Development (LDRD);
U S Department of Energy [DE-AC52-06NA25396]; U S. Public Health Service
under NIH [DK36263]
FX The authors gratefully acknowledge the Los Alamos National Laboratory
Directed Research and Development (LDRD) fund for financial support
LANL, is operated by Los Alamos National Security, LLC, for the National
Nuclear Security Administration of the U S Department of Energy under
contract DE-AC52-06NA25396 Additional funding was provided by the U S.
Public Health Service under NIH Grant DK36263 to W.H.W. Dr. Basil I.
Swanson (LANL) and Prof Michael D Hopkins (University of Chicago) are
acknowledged for helpful discussions.
NR 43
TC 8
Z9 8
U1 4
U2 20
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0002-7863
J9 J AM CHEM SOC
JI J. Am. Chem. Soc.
PD FEB 17
PY 2010
VL 132
IS 6
BP 1839
EP 1847
DI 10.1021/ja9055504
PG 9
WC Chemistry, Multidisciplinary
SC Chemistry
GA 562WC
UT WOS:000275085000046
PM 20092271
ER
PT J
AU Sawyer, KR
Cahoon, JF
Shanoski, JE
Glascoe, EA
Kling, MF
Schlegel, JP
Zoerb, MC
Hapke, M
Hartwig, JF
Webster, CE
Harris, CB
AF Sawyer, Karma R.
Cahoon, James F.
Shanoski, Jennifer E.
Glascoe, Elizabeth A.
Kling, Matthias F.
Schlegel, Jacob P.
Zoerb, Matthew C.
Hapke, Marko
Hartwig, John F.
Webster, Charles Edwin
Harris, Charles B.
TI Time-resolved IR Studies on the Mechanism for the Functionalization of
Primary C-H Bonds by Photoactivated Cp*W(CO)(3)(Bpin)
SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Article
ID METAL BORYL COMPLEXES; CATALYZED ALKENE ISOMERIZATION; EFFECTIVE CORE
POTENTIALS; UV PUMP/IR PROBE; MOLECULAR CALCULATIONS;
VIBRATIONAL-SPECTRA; TRANSITION-METALS; BASIS-SETS;
INFRARED-SPECTROSCOPY; CORRELATION-ENERGY
AB Recently, transition-metal-boryl compounds have been reported that selectively functionalize primary C-H bonds in alkanes in high yield. We have investigated this process with one of the well-defined systems that reacts under photochemical conditions using both density functional theory calculations and pico- through microsecond time-resolved IR spectroscopy UV irradiation of Cp*W(CO)(3)(Bpin) (Cp* = C-5(CH3)(5), pin = 1,2-O2C2-(CH3)(4)) in neat pentane solution primarily results in dissociation of a single CO ligand and solvation of the metal by a pentane molecule from the bath within 2 ps. The spectroscopic data imply that the resulting complex, cis-Cp*W(CO)(2)(Bpin)(pentane), undergoes C-H bond activation by a cr-bond metathesis mechanism-in 16 mu s, a terminal hydrogen on pentane appears to migrate to the Bpin ligand to form a a-borane complex, Cp*W(CO)(2)(H-Bpin)(C5H11). Our data imply that the borane ligand rotates until the boron is directly adjacent to the C5H11 ligand. In this configuration, the B-H sigma-bond is broken in favor of a B-C sigma-bond, forming Cp*W(CO)(2)(H)(C5H11-Bpin), a tungsten-hydride complex containing a weakly bound alkylboronate ester The ester is then eliminated to form Cp*W(CO)(2)(H) in approximately 170 mu s We also identify two side reactions that limit the total yield of bond activation products and explain the 72% yield previously reported for this complex
C1 [Hapke, Marko; Hartwig, John F.] Yale Univ, Dept Chem, New Haven, CT 06520 USA.
[Sawyer, Karma R.; Cahoon, James F.; Shanoski, Jennifer E.; Glascoe, Elizabeth A.; Kling, Matthias F.; Schlegel, Jacob P.; Zoerb, Matthew C.; Harris, Charles B.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Hartwig, John F.] Univ Illinois, Dept Chem, Urbana, IL 61801 USA.
[Webster, Charles Edwin] Univ Memphis, Dept Chem, Memphis, TN 38152 USA.
[Sawyer, Karma R.; Cahoon, James F.; Shanoski, Jennifer E.; Glascoe, Elizabeth A.; Kling, Matthias F.; Schlegel, Jacob P.; Zoerb, Matthew C.; Harris, Charles B.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
RP Hartwig, JF (reprint author), Yale Univ, Dept Chem, 225 Prospect St, New Haven, CT 06520 USA.
RI Kling, Matthias/D-3742-2014; Hapke, Marko/I-7444-2012;
OI Webster, Charles Edwin/0000-0002-6917-2957
FU LBNL Laboratory Directed Research and Development program (LDRD)
[3657-48]; NSF [CHE-09-10641]; US Department of Energy Office of Basic
Energy Sciences, Chemical Sciences Division [DE-AC02-05CH11231];
Alexander von Humboldt foundation
FX This work was supported by the LBNL Laboratory Directed Research and
Development program (LDRD. 3657-48) to C B H and by the NSF
(CHE-09-10641) to J F H We also acknowledge some specialized equipment
supported by the US Department of Energy Office of Basic Energy
Sciences, Chemical Sciences Division, Under contract DE-AC02-05CH11231
and contractor supported research (CSR). Computational work was
performed on resources at the University of Memphis High-Performance
Computing Facility. J.F C. acknowledges an NSF graduate research
fellowship, and M.F K acknowledges a Feodor-Lynen fellowship by the
Alexander von Humboldt foundation. Special thanks to Heinz Frei for use
of the step-scan FTIR spectrometer
NR 75
TC 19
Z9 19
U1 3
U2 29
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0002-7863
J9 J AM CHEM SOC
JI J. Am. Chem. Soc.
PD FEB 17
PY 2010
VL 132
IS 6
BP 1848
EP 1859
DI 10.1021/ja906438a
PG 12
WC Chemistry, Multidisciplinary
SC Chemistry
GA 562WC
UT WOS:000275085000047
PM 20099849
ER
PT J
AU Weeratunga, SK
Lovell, S
Yao, HL
Battaile, KP
Fischer, CJ
Gee, CE
Rivera, M
AF Weeratunga, Saroja K.
Lovell, Scott
Yao, Huili
Battaile, Kevin P.
Fischer, Christopher J.
Gee, Casey E.
Rivera, Mario
TI Structural Studies of Bacterioferritin B from Pseudomonas aeruginosa
Suggest a Gating Mechanism for Iron Uptake via the Ferroxidase Center
SO BIOCHEMISTRY
LA English
DT Article
ID ESCHERICHIA-COLI BACTERIOFERRITIN; AZOTOBACTER-VINELANDII
BACTERIOFERRITIN; CORE FORMATION; HUMAN H; MOLECULAR-GRAPHICS; HORSE
SPLEEN; HUMAN-LIVER; FERRITIN; SITE; RESOLUTION
AB The structure of recombinant Pseudomonas aeruginosa bacterioferritin B (Pa BfrB) has been determined from crystals grown from protein devoid of core mineral iron (as-isolated) and from protein mineralized with similar to 600 iron atoms (mineralized). Structures were also obtained from crystals grown from mineralized BfrB after they had been soaked in all FeSO(4) Solution (Fe soak) and in separate experiments after they had been soaked in an FeSO(4) solution followed by a soak in a crystallization solution (double soak). Although the structures consist of a typical bacterioferritin fold comprised of a nearly spherical 24-mer assembly that binds 12 heme molecules, comparison of microenvironments observed in the distinct structures provided interesting insights. The ferroxidase center In the as-isolated, mineralized, and double-soak structures is empty. The ferroxidase ligands (except His130) are poised to bind iron With minimal conformational changes. The His130 side chain, on the other hand, must rotate toward the Ferroxidase center to coordinate iron. In comparison, the structure obtained from crystals soaked in all FeSO(4) Solution displays a fully Occupied ferroxidase center and iron bound to the internal, Fe((in)), and external, Fe((out)), surfaces of Pa BfrB. The conformation of His130 in this structure is rotated toward the ferroxidase center and coordinates an iron ion. The structures also revealed a pore on the surface of Pa BfrB that likely serves as a port of entry for Fe(2+) to the ferroxidase center. On its opposite end, the pore is capped by the side chain or His130 when it adopts its "gate-closed" conformation that enables coordination to a ferroxidase iron. A change to its "gate-open", noncoordinative conformation creates a path for the translocation of iron from the ferroxidase center to the interior cavity. These structural observations, together with findings obtained from iron incorporation measurements in Solution, Suggest that the ferroxidase pore is the dominant entry route for the uptake of iron by Pa BfrB. These findings, which are clearly distinct from those made with Escherichia coli Bfr [Crow, A. C., Lawson, T. L., Lewin, A., Moore, G. R., and Le Brun, N. E. (2009) J. Am. Chem. Soc. 131, 6808-6813], indicate that not all bacterioferritins operate in the same manner.
C1 [Weeratunga, Saroja K.; Yao, Huili; Gee, Casey E.; Rivera, Mario] Univ Kansas, Ralph N Adams Inst Bioanalyt Chem, Lawrence, KS 66047 USA.
[Weeratunga, Saroja K.; Yao, Huili; Gee, Casey E.; Rivera, Mario] Univ Kansas, Dept Chem, Lawrence, KS 66047 USA.
[Lovell, Scott] Univ Kansas, Struct Biol Ctr, Lawrence, KS 66047 USA.
[Fischer, Christopher J.] Dept Phys & Astron, Lawrence, KS USA.
[Battaile, Kevin P.] Argonne Natl Lab, Adv Photon Source, IMCA CAT, Argonne, IL 60439 USA.
RP Rivera, M (reprint author), Univ Kansas, Ralph N Adams Inst Bioanalyt Chem, Multidisciplinary Res Bldg,2030 Becker Dr,Room 22, Lawrence, KS 66047 USA.
EM mrivera@ku.edu
RI Weeratunga, Saroja/C-8081-2011; Weeratunga, Saroja/B-4550-2013;
OI Battaile, Kevin/0000-0003-0833-3259; Weeratunga,
Saroja/0000-0002-4756-911X
FU Industrial Macromolecular Crystallography Association; U.S. Department
of Energy; Office of Science; Office of Basic Energy Sciences
[W-31-109Eng-38]
FX Use of IMCA-CAT beamline 17-BM at the Advanced Photon Source was
supported by the companies of the Industrial Macromolecular
Crystallography Association through a contract with the Center for
Advanced Radiation Sources at the University of Chicago. Use of the
Advanced Photon Source was Supported by the U.S. Department of Energy,
Office of Science, Office of Basic Energy Sciences, under Contract
W-31-109Eng-38.
NR 43
TC 25
Z9 25
U1 0
U2 0
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0006-2960
J9 BIOCHEMISTRY-US
JI Biochemistry
PD FEB 16
PY 2010
VL 49
IS 6
BP 1160
EP 1175
DI 10.1021/bi9015204
PG 16
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 553CI
UT WOS:000274342000013
PM 20067302
ER
PT J
AU Haubrich, J
Quiller, RG
Benz, L
Liu, Z
Friend, CM
AF Haubrich, Jan
Quiller, Ryan G.
Benz, Lauren
Liu, Zhi
Friend, Cynthia M.
TI In Situ Ambient Pressure Studies of the Chemistry of NO2 and Water on
Rutile TiO2(110)
SO LANGMUIR
LA English
DT Article
ID RAY PHOTOELECTRON-SPECTROSCOPY; HETEROGENEOUS HYDROLYSIS; SURFACE
SCIENCE; OXIDE SURFACES; NITRIC-ACID; TIO2; XPS; ADSORPTION; MECHANISM;
H2O
AB The adsorption of NO2 on the rutile TiO2(110) surface has been Studied at room temperature in the pressure range from similar to 10(-8) torr to 200 mtorr using ambient pressure X-ray photoelectron spectroscopy (AP-XPS). Atomic nitrogen, chemisorbed NO2, and NO3 were formed, each of which saturates at pressures below similar to 10(-6) torr NO2. Atomic nitrogen originates from decomposition of the NOx species, For pressures of up to 10(-3) torr, no significant change in the NOx Surface species occurred, suggesting that environmentally relevant conditions with typical NO2 partial pressures in the 1-100 ppb range call be modeled by ultrahigh vacuum (UHV) Studies. The chemisorbed surface species call be removed by in situ annealing in UHV: all of the NOx species disappear around 400 K, whereas the N Is signal associated with atomic nitrogen diminishes around 580 K. At higher pressures of NO2 (p(NO2) >= 10(-6) torr), physisorbed NO2 and adsorbed water, which was likely due to displacement from the chamber walls, appeared. The water coverage grew significantly above similar to 10(-3) torr. Concurrently with co-condensation of water and NO2, the Population of NO3 Species grew strongly. From this, we conclude that the presence of NO2 and water leads to the Formation of multilayers of nitric acid. In contrast, pure water exposure after saturation of the surface with 200 mtorr NO2 did not lead to a growth of the NO3 signals, implying that HNO3 formation requires weakly adsorbed NO2 species These Findings have important implications for environmental processes, since they confirm that oxides may facilitate nitric acid formation under ambient humidity conditions encountered in the atmosphere.
C1 [Haubrich, Jan; Benz, Lauren; Friend, Cynthia M.] Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USA.
[Quiller, Ryan G.; Friend, Cynthia M.] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA.
[Liu, Zhi] Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA.
RP Haubrich, J (reprint author), Harvard Univ, Dept Chem & Chem Biol, 12 Oxford St, Cambridge, MA 02138 USA.
EM cfriend@deas.harvard.edu
RI Haubrich, Jan/F-4302-2011; Liu, Zhi/B-3642-2009
OI Liu, Zhi/0000-0002-8973-6561
FU NSF, Chemistry Division [CHE-0545335]; Office of Science, Office of
Basic Energy Sciences, of the U.S. Department of Energy
[DE-AC02-05CH11231]; A. v. Humboldt Foundation
FX The Financial support from the NSF, Chemistry Division (Grant
CHE-0545335). is gratefully acknowledged. The Advanced Light Source is
supported by the Director, Office of Science, Office of Basic Energy
Sciences, of the U.S. Department of Energy under Contract No.
DE-AC02-05CH11231. C.M.F. and J.H. (Feodor-Lynen fellowship) gratefully
thank the A. v. Humboldt Foundation.
NR 49
TC 31
Z9 31
U1 6
U2 48
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0743-7463
J9 LANGMUIR
JI Langmuir
PD FEB 16
PY 2010
VL 26
IS 4
BP 2445
EP 2451
DI 10.1021/la904141k
PG 7
WC Chemistry, Multidisciplinary; Chemistry, Physical; Materials Science,
Multidisciplinary
SC Chemistry; Materials Science
GA 553CK
UT WOS:000274342200041
PM 20070108
ER
PT J
AU Santos, B
Puerta, JM
Cerda, JI
Herranz, T
McCarty, KF
de la Figuera, J
AF Santos, B.
Puerta, J. M.
Cerda, J. I.
Herranz, T.
McCarty, K. F.
de la Figuera, J.
TI Structure of ultrathin Pd films determined by low-energy electron
microscopy and diffraction
SO NEW JOURNAL OF PHYSICS
LA English
DT Article
ID SURFACE; LEED; MORPHOLOGY; PALLADIUM; W(110); LAYERS; ORDER; CO
AB Palladium (Pd) films have been grown and characterized in situ by low-energy electron diffraction (LEED) and microscopy in two different regimes: ultrathin films 2-6 monolayers (ML) thick on Ru(0001), and similar to 20 ML thick films on both Ru(0001) and W(110). The thinner films are grown at elevated temperature (750 K) and are lattice matched to the Ru(0001) substrate. The thicker films, deposited at room temperature and annealed to 880 K, have a relaxed in-plane lattice spacing. All the films present an fcc stacking sequence as determined by LEED intensity versus energy analysis. In all the films, there is hardly any expansion in the surface-layer interlayer spacing. Two types of twin-related stacking sequences of the Pd layers are found on each substrate. On W(110) the two fcc twin types can occur on a single substrate terrace. On Ru(0001) each substrate terrace has a single twin type and the twin boundaries replicate the substrate steps.
C1 [Santos, B.; de la Figuera, J.] Univ Autonoma Madrid, Ctr Microanal Mat, E-28049 Madrid, Spain.
[Santos, B.; Herranz, T.; de la Figuera, J.] CSIC, Inst Quim Fis Rocasolano, E-28006 Madrid, Spain.
[Puerta, J. M.; Cerda, J. I.] CSIC, Inst Ciencia Mat, E-28049 Madrid, Spain.
[McCarty, K. F.] Sandia Natl Labs, Livermore, CA 94550 USA.
RP Santos, B (reprint author), Univ Autonoma Madrid, Ctr Microanal Mat, E-28049 Madrid, Spain.
EM benitosantos001@gmail.com
RI Cerda, Jorge/F-4043-2010; Herranz, Tirma/A-8656-2008; de la Figuera,
Juan/E-7046-2010; McCarty, Kevin/F-9368-2012
OI Cerda, Jorge/0000-0001-6176-0191; de la Figuera,
Juan/0000-0002-7014-4777; McCarty, Kevin/0000-0002-8601-079X
FU Office of Basic Energy Sciences, Division of Materials Sciences and
Engineering, US Department of Energy [DE-AC04-94AL85000]; Spanish
Ministry of Science and Technology [MAT2006-13149-C02-02,
MAT2007-66719-C03-02]; Council of the Hong Kong Special Administrative
Region, China [CityU3/CRF/08]
FX This research was partly supported by the Office of Basic Energy
Sciences, Division of Materials Sciences and Engineering, US Department
of Energy under Contract Number DE-AC04-94AL85000, by the Spanish
Ministry of Science and Technology under Project Numbers
MAT2006-13149-C02-02 and MAT2007-66719-C03-02 and by the Research Grants
Council of the Hong Kong Special Administrative Region, China
(CityU3/CRF/08).
NR 39
TC 9
Z9 9
U1 0
U2 4
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1367-2630
J9 NEW J PHYS
JI New J. Phys.
PD FEB 16
PY 2010
VL 12
AR 023023
DI 10.1088/1367-2630/12/2/023023
PG 21
WC Physics, Multidisciplinary
SC Physics
GA 558NC
UT WOS:000274749300004
ER
PT J
AU Michel, FM
Barron, V
Torrent, J
Morales, MP
Serna, CJ
Boily, JF
Liu, QS
Ambrosini, A
Cismasu, AC
Brown, GE
AF Michel, F. Marc
Barron, Vidal
Torrent, Jose
Morales, Maria P.
Serna, Carlos J.
Boily, Jean-Francois
Liu, Qingsong
Ambrosini, Andrea
Cismasu, A. Cristina
Brown, Gordon E., Jr.
TI Ordered ferrimagnetic form of ferrihydrite reveals links among
structure, composition, and magnetism
SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF
AMERICA
LA English
DT Article
DE crystal structure; disorder; nano-sized ferrimagnets; soil formation;
strain
ID X-RAY-DIFFRACTION; NANOCRYSTALLINE MATERIAL; CHINESE LOESS; IRON-OXIDES;
NANOPARTICLES; FERRITIN; SUSCEPTIBILITY; ENHANCEMENT; BRAIN;
CRYSTALLIZATION
AB The natural nanomineral ferrihydrite is an important component of many environmental and soil systems and has been implicated as the inorganic core of ferritin in biological systems. Knowledge of its basic structure, composition, and extent of structural disorder is essential for understanding its reactivity, stability, and magnetic behavior, as well as changes in these properties during aging. Here we investigate compositional, structural, and magnetic changes that occur upon aging of "2-line" ferrihydrite in the presence of adsorbed citrate at elevated temperature. Whereas aging under these conditions ultimately results in the formation of hematite, analysis of the atomic pair distribution function and complementary physicochemical and magnetic data indicate formation of an intermediate ferrihydrite phase of larger particle size with few defects, more structural relaxation and electron spin ordering, and pronounced ferrimagnetism relative to its disordered ferrihydrite precursor. Our results represent an important conceptual advance in understanding the nature of structural disorder in ferrihydrite and its relation to the magnetic structure and also serve to validate a controversial, recently proposed structural model for this phase. In addition, the pathway we identify for forming ferrimagnetic ferrihydrite potentially explains the magnetic enhancement that typically precedes formation of hematite in aerobic soil and weathering environments. Such magnetic enhancement has been attributed to the formation of poorly understood, nano-sized ferrimagnets from a ferrihydrite precursor. Whereas elevated temperatures drive the transformation on timescales feasible for laboratory studies, our results also suggest that ferrimagnetic ferrihydrite could form naturally at ambient temperature given sufficient time.
C1 [Michel, F. Marc; Cismasu, A. Cristina; Brown, Gordon E., Jr.] Stanford Univ, Dept Geol & Environm Sci, Surface & Aqueous Geochem Grp, Stanford, CA 94305 USA.
[Michel, F. Marc; Brown, Gordon E., Jr.] SLAC Natl Accelerator Lab, Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA 94025 USA.
[Barron, Vidal; Torrent, Jose] Univ Cordoba, Dept Ciencias & Recursos Agr & Forestales, E-14071 Cordoba, Spain.
[Morales, Maria P.; Serna, Carlos J.] CSIC, Inst Ciencia Mat Madrid, E-28049 Madrid, Spain.
[Boily, Jean-Francois] Umea Univ, Dept Chem, SE-90187 Umea, Sweden.
[Liu, Qingsong] Chinese Acad Sci, Inst Geol & Geophys, Paleomagnetism & Geochronol Lab SKL LE, Beijing 100029, Peoples R China.
[Ambrosini, Andrea] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Michel, FM (reprint author), Stanford Univ, Dept Geol & Environm Sci, Surface & Aqueous Geochem Grp, Stanford, CA 94305 USA.
EM fmichel@stanford.edu
RI Serna, Carlos /A-4552-2011; Morales Herrero, Maria del
Puerto/A-4558-2011; Barron, Vidal/G-4483-2013; Torrent, Jose/K-5293-2014
OI Morales Herrero, Maria del Puerto/0000-0002-7290-7029; Barron,
Vidal/0000-0003-1484-1655; Torrent, Jose/0000-0001-7725-105X
FU National Science Foundation [CHE-0431425, EF-0830093]; U.S. Department
of Energy (DOE) [DE-AC02-06CH11357]; Spain's Ministry of Science and
Innovation; European Regional Development [MAT2008-01489,
AGL2006-C03-02]; Chinese Academy of Sciences; National Nature Science
Foundation of China [40821091]
FX We thank Dr. Peter J. Chupas and Evan Maxey of the APS for assistance
with x-ray data collection. This work was supported in part through the
Stanford Environmental Molecular Science Institute (National Science
Foundation Grant CHE-0431425) and, in part, from the U.S. Department of
Energy (DOE), Office of Biological and Environmental Research,
Environmental Remediation Sciences Program and National Science
Foundation Grant EF-0830093 (Center for Environmental Implications of
NanoTechnology) (F. M. M., A. C. C., and G. E. B., Jr.). This work was
partly funded by Spain's Ministry of Science and Innovation and European
Regional Development Funds [Project MAT2008-01489 ( M. P. M. and C. J.
S.) and Project AGL2006-C03-02 ( V. B. and J. T.)]. Support was provided
by the 100 Talent Program of the Chinese Academy of Sciences and by
National Nature Science Foundation of China Grant 40821091 (Q. S. L.).
We are grateful for access to the APS-ANL which is supported by the U.S.
DOE, Office of Basic Energy Sciences under Contract DE-AC02-06CH11357.
NR 50
TC 150
Z9 156
U1 11
U2 108
PU NATL ACAD SCIENCES
PI WASHINGTON
PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA
SN 0027-8424
J9 P NATL ACAD SCI USA
JI Proc. Natl. Acad. Sci. U. S. A.
PD FEB 16
PY 2010
VL 107
IS 7
BP 2787
EP 2792
DI 10.1073/pnas.0910170107
PG 6
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 556OC
UT WOS:000274599500017
PM 20133643
ER
PT J
AU Srivastava, D
Schuermann, JP
White, TA
Krishnan, N
Sanyal, N
Hura, GL
Tan, AM
Henzl, MT
Becker, DF
Tanner, JJ
AF Srivastava, Dhiraj
Schuermann, Jonathan P.
White, Tommi A.
Krishnan, Navasona
Sanyal, Nikhilesh
Hura, Greg L.
Tan, Anmin
Henzl, Michael T.
Becker, Donald F.
Tanner, John J.
TI Crystal structure of the bifunctional proline utilization A flavoenzyme
from Bradyrhizobium japonicum
SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF
AMERICA
LA English
DT Article
DE proline catabolism; substrate channeling
ID RAY SOLUTION SCATTERING; ESCHERICHIA-COLI; SALMONELLA-TYPHIMURIUM;
MULTIFUNCTIONAL PUTA; DELTA(1)-PYRROLINE-5-CARBOXYLATE DEHYDROGENASE;
DIMETHYLGLYCINE OXIDASE; ALDEHYDE DEHYDROGENASE; HELICOBACTER-PYLORI;
PROTEIN; SUBSTRATE
AB The bifunctional proline catabolic flavoenzyme, proline utilization A (PutA), catalyzes the oxidation of proline to glutamate via the sequential activities of FAD-dependent proline dehydrogenase (PRODH) and NAD(+)-dependent Delta(1)-pyrroline-5-carboxylate dehydrogenase (P5CDH) domains. Although structures for some of the domains of PutA are known, a structure for the full-length protein has not previously been solved. Here we report the 2.1 angstrom resolution crystal structure of PutA from Bradyrhizobium japonicum, along with data from small-angle x-ray scattering, analytical ultracentrifugation, and steady-state and rapid-reaction kinetics. PutA forms a ring-shaped tetramer in solution having a diameter of 150 angstrom. Within each protomer, the PRODH and P5CDH active sites face each other at a distance of 41 angstrom and are connected by a large, irregularly shaped cavity. Kinetics measurements show that glutamate production occurs without a lag phase, suggesting that the intermediate, Delta(1)-pyrroline-5-carboxylate, is preferably transferred to the P5CDH domain rather than released into the bulk medium. The structural and kinetic data imply that the cavity serves both as a microscopic vessel for the hydrolysis of Delta(1)-pyrroline-5-carboxylate to glutamate semialdehyde and a protected conduit for the transport of glutamate semialdehyde to the P5CDH active site.
C1 [Srivastava, Dhiraj; Schuermann, Jonathan P.; Tanner, John J.] Univ Missouri, Dept Chem, Columbia, MO 65211 USA.
[White, Tommi A.; Tan, Anmin; Henzl, Michael T.; Tanner, John J.] Univ Missouri, Dept Biochem, Columbia, MO 65211 USA.
[Krishnan, Navasona; Sanyal, Nikhilesh; Becker, Donald F.] Univ Nebraska, Dept Biochem, Lincoln, NE 68588 USA.
[Hura, Greg L.] Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA.
RP Tanner, JJ (reprint author), Univ Missouri, Dept Chem, Columbia, MO 65211 USA.
EM tannerjj@missouri.edu
FU National Institutes of Health [GM065546, GM061068, P20 RR-017675];
Office of Science, Office of Basic Energy Sciences, of the U.S.
Department of Energy [DE-AC02-05CH11231]; U.S. Department of Energy,
Office of Biological and Environmental Research [AC0206CH11357]
FX We thank Dr. Jay Nix of ALS beamline 4.2.2 and Dr. Stephan L. Ginell of
the APS SBC beamlines for assistance with data collection and
processing. This research was supported by National Institutes of Health
grants GM065546, GM061068, and P20 RR-017675. The Advanced Light Source
is supported by the Director, Office of Science, Office of Basic Energy
Sciences, of the U.S. Department of Energy under contract
DE-AC02-05CH11231. Results shown in this report are derived, in part,
from work performed at Argonne National Laboratory, Structural Biology
Center at the Advanced Photon Source. Argonne is operated by UChicago
Argonne, LLC, for the U.S. Department of Energy, Office of Biological
and Environmental Research under contract DE-AC0206CH11357.
NR 39
TC 32
Z9 32
U1 1
U2 4
PU NATL ACAD SCIENCES
PI WASHINGTON
PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA
SN 0027-8424
J9 P NATL ACAD SCI USA
JI Proc. Natl. Acad. Sci. U. S. A.
PD FEB 16
PY 2010
VL 107
IS 7
BP 2878
EP 2883
DI 10.1073/pnas.0906101107
PG 6
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 556OC
UT WOS:000274599500033
PM 20133651
ER
PT J
AU Garten, CT
Smith, JL
Tyler, DD
Amonette, JE
Bailey, VL
Brice, DJ
Castro, HF
Graham, RL
Gunderson, CA
Izaurralde, RC
Jardine, PM
Jastrow, JD
Kerley, MK
Matamala, R
Mayes, MA
Metting, FB
Miller, RM
Moran, KK
Post, WM
Sands, RD
Schadt, CW
Phillips, JR
Thomson, AM
Vugteveen, T
West, TO
Wullschleger, SD
AF Garten, C. T., Jr.
Smith, J. L.
Tyler, D. D.
Amonette, J. E.
Bailey, V. L.
Brice, D. J.
Castro, H. F.
Graham, R. L.
Gunderson, C. A.
Izaurralde, R. C.
Jardine, P. M.
Jastrow, J. D.
Kerley, M. K.
Matamala, R.
Mayes, M. A.
Metting, F. B.
Miller, R. M.
Moran, K. K.
Post, W. M., III
Sands, R. D.
Schadt, C. W.
Phillips, J. R.
Thomson, A. M.
Vugteveen, T.
West, T. O.
Wullschleger, S. D.
TI Intra-annual changes in biomass, carbon, and nitrogen dynamics at 4-year
old switchgrass field trials in west Tennessee, USA
SO AGRICULTURE ECOSYSTEMS & ENVIRONMENT
LA English
DT Article
DE Carbon sequestration; Bioenergy crops; Switchgrass; Belowground biomass;
Roots; Carbon; Nitrogen
ID SOIL CARBON; ALAMO SWITCHGRASS; DIFFUSION METHOD; N-15 ANALYSIS; YIELD;
DECOMPOSITION; HARVEST; SYSTEMS; SEQUESTRATION; POPULATIONS
AB Switchgrass is a potential bioenergy crop that could promote soil C Sequestration in some environments. We compared four switchgrass cultivars on a well-drained Alfisol to test for differences in biomass, C, and N dynamics during the fourth growing season. There was no difference (P > 0.05) among cultivars and no significant cultivar x time interaction in analyses of dry mass, C stocks, or N stocks in aboveground biomass and surface litter. At the end of the growing season, mean (+/-SE) aboveground biomass was 2.1 +/- 0.13 kg m(-2), and surface litter dry mass was approximately 50% of aboveground biomass. Prior to harvest, the live root:shoot biomass ratio was 0.77. There was no difference (P > 0.05) among cultivars for total biomass. C, and N stocks belowground. Total belowground biomass (90 cm soil depth) as well as coarse (>= 1 mm diameter) and fine (<1 mm diameter) live root biomass increased from April to October. Dead roots were <10% of live root biomass to a depth of 90 cm. Net product ion of total belowground biomass (505 +/- 132 g m(-2)) Occurred in the last half of the growing season. The increase in total live belowground biomass (426 +/- 139 g m(-2)) Was more or less evenly divided among rhizomes, coarse, and fine roots. The N budget for annual switchgrass production was closely balanced with 6.3 g N m(-2) removed by harvest of aboveground biomass and 6.7 g N m(-2) supplied by fertilization. At the location of our study in west Tennessee, intra-annual changes in biomass, C, and N stocks belowground were potentially important to crop management for soil C sequestration. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Garten, C. T., Jr.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Smith, J. L.] ARS, USDA, Pullman, WA 99164 USA.
[Tyler, D. D.] Univ Tennessee, W Tennessee Expt Stn, Jackson, TN 38301 USA.
[Amonette, J. E.; Bailey, V. L.; Metting, F. B.] Pacific NW Natl Lab, Richland, WA 99354 USA.
[Izaurralde, R. C.; Sands, R. D.; Thomson, A. M.] Univ Maryland, College Pk, MD 20740 USA.
[Izaurralde, R. C.; Sands, R. D.; Thomson, A. M.] Pacific NW Natl Lab, Joint Global Change Res Inst, College Pk, MD 20740 USA.
[Jastrow, J. D.; Matamala, R.; Miller, R. M.; Moran, K. K.; Vugteveen, T.] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Garten, CT (reprint author), Oak Ridge Natl Lab, Div Environm Sci, POB 2008,Mail Stop 6036, Oak Ridge, TN 37831 USA.
EM gartenctjr@ornl.gov
RI Thomson, Allison/B-1254-2010; Schadt, Christopher/B-7143-2008;
Wullschleger, Stan/B-8297-2012; Brice, Deanne/B-9048-2012; Post,
Wilfred/B-8959-2012; Izaurralde, Roberto/E-5826-2012; West,
Tristram/C-5699-2013; Phillips, Jana/G-4755-2016
OI Bailey, Vanessa/0000-0002-2248-8890; Schadt,
Christopher/0000-0001-8759-2448; Wullschleger, Stan/0000-0002-9869-0446;
West, Tristram/0000-0001-7859-0125; Phillips, Jana/0000-0001-9319-2336
FU U.S. Department of Energy [DE-AC05-00OR22725]
FX Research was sponsored by the U.S. Department of Energy's Office of
Science, Biological and Environmental Research funding to the Consortium
for Research on Enhancing Carbon Sequestration in Terrestrial Ecosystems
(CSiTE) under contract DE-AC05-00OR22725 with Oak Ridge National
Laboratory (ORNL), managed by UT-Battelle, LLC. We wish to thank Blake
Brown at the Research and Education Center at Milan, Tennessee, and
Janet Gibson, Ernest Merriweather, and Bobby Henderson at the University
of Tennessee's West Tennessee Research and Education Center for their
helpful support of laboratory and field activities.
NR 37
TC 40
Z9 40
U1 3
U2 44
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0167-8809
J9 AGR ECOSYST ENVIRON
JI Agric. Ecosyst. Environ.
PD FEB 15
PY 2010
VL 136
IS 1-2
BP 177
EP 184
DI 10.1016/j.agee.2009.12.019
PG 8
WC Agriculture, Multidisciplinary; Ecology; Environmental Sciences
SC Agriculture; Environmental Sciences & Ecology
GA 563LZ
UT WOS:000275135100020
ER
PT J
AU Wahl, KL
Colburn, HA
Wunschel, DS
Petersen, CE
Jarman, KH
Valentine, NB
AF Wahl, Karen L.
Colburn, Heather A.
Wunschel, David S.
Petersen, Catherine E.
Jarman, Kristin H.
Valentine, Nancy B.
TI Residual Agar Determination in Bacterial Spores by Electrospray
Ionization Mass Spectrometry
SO ANALYTICAL CHEMISTRY
LA English
DT Article
ID STABLE-ISOTOPE RATIOS; MICROBIAL FORENSICS; BACILLUS;
3,6-ANHYDROGALACTOSE; OLIGOSACCHARIDES; POLYSACCHARIDES; CARRAGEENANS;
GALACTOSE; CULTURE; SUGARS
AB Presented here is an analytical method to detect residual agar from a bacterial spore sample as an indication of culturing on an agar plate. This method is based on the resolubilization of agar polysaccharide from a bacterial spore sample, enzymatic digestion, followed by electrospray ionization tandem mass spectrometry (ESI-MS(n)) analysis for detection of a specific agar fragment ion. A range of Bacillus species and strains were selected to demonstrate the effectiveness of this approach. The characteristic agar fragment ion was detected in the spores grown on agar that were washed from 1 to 5 times, irradiated or nonirradiated, and not in the spores grown in broth. A sample containing approximately 10(8) spores is currently needed for confident detection of residual agar from culture on agar plates in the presence of bacterial spores with a limit of detection of approximately 1 ppm agar spiked into a broth-grown spore sample. The results of a proficiency test with 42 blinded samples are presented demonstrating the utility of this method with no false positives and only three false negatives for samples that were below the detection level of the method as documented.
C1 [Wahl, Karen L.; Colburn, Heather A.; Wunschel, David S.; Petersen, Catherine E.; Jarman, Kristin H.; Valentine, Nancy B.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Wahl, KL (reprint author), Pacific NW Natl Lab, POB 999,MS P7-50, Richland, WA 99352 USA.
EM karen.wahl@pnl.gov
RI Wunschel, David/F-3820-2010
FU Department of Homeland Security Science and Technology Directorate
[AGR-HSSCHQ04X00038]; United States Department of Energy [DE-AC06-76RLO]
FX Funding for this work was provided through contract AGR-HSSCHQ04X00038
to Pacific Northwest National Laboratory by the Department of Homeland
Security Science and Technology Directorate. We thank Roy Kamimura,
Joanna Horn, and Steve Velsko from Lawrence Livermore National
Laboratory for B. thuringiensis spore samples and Dean Fetterolf,
Federal Bureau of Investigations for irradiated Bacillus spore samples
provided during initial method development. We also thank James Burans
and Mike Hevey from the National Bioforensics Analysis Center and Robert
Bull, Craig Marhefka, Matt Feinberg, Bruce Budowle, and Mark Wilson from
the Federal Bureau of Investigations for technical discussions,
establishing criteria to meet, and for generation of the blinded samples
for final testing. Pacific Northwest National Laboratory is operated by
Battelle Memorial Institute for the United States Department of Energy
under contract DE-AC06-76RLO.
NR 37
TC 9
Z9 9
U1 0
U2 5
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0003-2700
J9 ANAL CHEM
JI Anal. Chem.
PD FEB 15
PY 2010
VL 82
IS 4
BP 1200
EP 1206
DI 10.1021/ac901491c
PG 7
WC Chemistry, Analytical
SC Chemistry
GA 554WK
UT WOS:000274466100007
PM 20073479
ER
PT J
AU Comstock, DJ
Elam, JW
Pellin, MJ
Hersam, MC
AF Comstock, David J.
Elam, Jeffrey W.
Pellin, Michael J.
Hersam, Mark C.
TI Integrated Ultramicroelectrode-Nanopipet Probe for Concurrent Scanning
Electrochemical Microscopy and Scanning Ion Conductance Microscopy
SO ANALYTICAL CHEMISTRY
LA English
DT Article
ID ATOMIC-FORCE MICROSCOPY; LIVING CELLS; MEMBRANE-TRANSPORT; OPTICAL
MICROSCOPY; LAYER DEPOSITION; FABRICATION; MODE; ELECTRODES; SYSTEMS;
PORES
AB Scanning ion conductance microscopy (SICM) has developed into a powerful tool for imaging a range of biophysical systems. In addition, SICM has been integrated with a range of other techniques, allowing for the simultaneous collection of complementary information including near-field optical and electrophysiological properties. However, SICM imaging remains insensitive to electrochemical properties, which play an important role in both biological and nonbiological systems. In this work, we demonstrate the fabrication and application of a nanopipet probe with an integrated ultramicroelectrode (UME) for concurrent SICM and scanning electrochemical microscopy (SECM). The fabrication process utilizes atomic layer deposition (ALD) of aluminum oxide to conformally insulate a gold-coated nanopipet and focused ion beam (FIB) milling to precisely expose a UME at the pipet tip. Fabricated probes are characterized by both scanning electron microscopy and cyclic voltammetry and exhibit a 100 nm diameter nanopipet tip and a UME with an effective radius of 294 nm. The probes exhibit positive and negative feedback responses on approach to conducting and insulating surfaces, respectively. The suitability of the probes for SECM-SICM imaging is demonstrated by both feedback-mode and substrate generation/tip collection-mode imaging on patterned surfaces. Ibis probe geometry enables successful SECM-SICM imaging on features as small as 180 nm in size.
C1 [Comstock, David J.; Hersam, Mark C.] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA.
[Pellin, Michael J.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Elam, Jeffrey W.] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA.
[Pellin, Michael J.; Hersam, Mark C.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA.
RP Hersam, MC (reprint author), Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA.
EM m-hersam@northwestern.edu
RI Hersam, Mark/B-6739-2009; Pellin, Michael/B-5897-2008
OI Pellin, Michael/0000-0002-8149-9768
FU Army Research Office [ARO W911NF-05-1-0177, ARO W911NF-08-1-0156];
National Science Foundation [NSF ECS-0609064]; NSF-NSEC; NSF-MRSEC; Keck
Foundation; State of Illinois; Northwestern University; NDSEG; UChicago
Argonne, LLC [DE-AC02-06CH11357]
FX This work was supported by the Army Research Office (ARO
W911NF-05-1-0177 and ARO W911NF-08-1-0156) and the National Science
Foundation (NSF ECS-0609064). This research made use of public
facilities within the NUANCE Center at Northwestern University. The
NUANCE Center is supported by NSF-NSEC, NSF-MRSEC, Keck Foundation, the
State of Illinois, and Northwestern University. D. J. Comstock further
acknowledges support from an NDSEG Fellowship. Argonne Nadonal
Laboratory (ANL) is a U.S. Department of Energy Office of Science
Laboratory operated under contract no. DE-AC02-06CH11357 by UChicago
Argonne, LLC.
NR 49
TC 82
Z9 82
U1 4
U2 61
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0003-2700
J9 ANAL CHEM
JI Anal. Chem.
PD FEB 15
PY 2010
VL 82
IS 4
BP 1270
EP 1276
DI 10.1021/ac902224q
PG 7
WC Chemistry, Analytical
SC Chemistry
GA 554WK
UT WOS:000274466100016
PM 20073475
ER
PT J
AU Alberi, K
Martin, IT
Shub, M
Teplin, CW
Romero, MJ
Reedy, RC
Iwaniczko, E
Duda, A
Stradins, P
Branz, HM
Young, DL
AF Alberi, Kirstin
Martin, Ina T.
Shub, Maxim
Teplin, Charles W.
Romero, Manuel J.
Reedy, Robert C.
Iwaniczko, Eugene
Duda, Anna
Stradins, Paul
Branz, Howard M.
Young, David L.
TI Material quality requirements for efficient epitaxial film silicon solar
cells
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE carrier lifetime; elemental semiconductors; photovoltaic cells;
semiconductor epitaxial layers; silicon; solar cells
ID CHEMICAL-VAPOR-DEPOSITION
AB The performance of 2-mu m-thick crystal silicon (c-Si) solar cells grown epitaxially on heavily doped wafer substrates is quantitatively linked to absorber dislocation density. We find that such thin devices have a high tolerance to bulk impurities compared to wafer-based cells. The minority carrier diffusion length is about half the dislocation spacing and must be roughly three times the absorber thickness for efficient carrier extraction. Together, modeling and experimental results provide design guidelines for film c-Si photovoltaic cells.
C1 [Alberi, Kirstin; Martin, Ina T.; Shub, Maxim; Teplin, Charles W.; Romero, Manuel J.; Reedy, Robert C.; Iwaniczko, Eugene; Duda, Anna; Stradins, Paul; Branz, Howard M.; Young, David L.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Alberi, K (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
EM kirstin.alberi@nrel.gov
RI Martin, Ina/J-9484-2012
FU U.S. Department of Energy [DE-AC36-99GO10337]
FX This work was supported by the U.S. Department of Energy under Contract
No. DE-AC36-99GO10337. The authors thank Scott Ward, Lorenzo Roybal,
Vern Yost, Tihu Wang, and Qi Wang for their help and advice.
NR 18
TC 26
Z9 26
U1 1
U2 11
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 15
PY 2010
VL 96
IS 7
AR 073502
DI 10.1063/1.3309751
PG 3
WC Physics, Applied
SC Physics
GA 558PX
UT WOS:000274758100083
ER
PT J
AU Elhadj, S
Matthews, MJ
Yang, ST
Cooke, DJ
Stolken, JS
Vignes, RM
Draggoo, VG
Bisson, SE
AF Elhadj, Selim
Matthews, Manyalibo J.
Yang, Steven T.
Cooke, Diane J.
Stolken, James S.
Vignes, Ryan M.
Draggoo, Vaughn G.
Bisson, Scott E.
TI Determination of the intrinsic temperature dependent thermal
conductivity from analysis of surface temperature of laser irradiated
materials
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE evaporation; heat transfer; heat treatment; laser beam effects; lithium
compounds; phonons; sapphire; silicon compounds; thermal conductivity
ID FUSED-SILICA; HEAT-TRANSFER; SPINEL; GLASS; BEAM
AB An experimental and analytical approach is described to determine the temperature dependent intrinsic lattice thermal conductivity, k(T), for a broad range of materials. k(T) of silica, sapphire, spinel, and lithium fluoride were derived from surface temperature measurements. Surfaces were heated from room temperature up to 3000 K using a CO(2)-laser irradiance < 5 kW/cm(2). The solution of the nonlinear heat flow equation was used to extract parameters of k(T)=AxT(epsilon), where -1.13 2, 3 spectra of
magnetite and Gerrit van der Laan for a helpful critical reading of a
draft. Olav Hellwig and Eric Fullerton (Hitachi Global Storage
Technologies) and Jeff Kortright (Lawrence Berkeley National Lab)
provided synthetic out-of-plane magnetized (Pt-Co) multilayer and FeGd
samples which were very useful in developing the STXM-XMCD methodology.
The Canadian Light Source is supported by the Canada Foundation for
Innovation (CFI), NSERC, Canadian Institutes of Health Research (CIHR),
National Research Council (NRC) and the University of Saskatchewan.
NR 69
TC 32
Z9 32
U1 1
U2 29
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0009-2541
J9 CHEM GEOL
JI Chem. Geol.
PD FEB 15
PY 2010
VL 270
IS 1-4
BP 110
EP 116
DI 10.1016/j.chemgeo.2009.11.009
PG 7
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 561PH
UT WOS:000274989800010
ER
PT J
AU Boily, JF
Gassman, PL
Peretyazhko, T
Szanyi, J
Zachara, JM
AF Boily, Jean-Francois
Gassman, Paul L.
Peretyazhko, Tetyana
Szanyi, Janos
Zachara, John M.
TI FTIR Spectral Components of Schwertmannite
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID ACID-MINE DRAINAGE; VARYING CRYSTALLINITY; DOUBLE HYDROXIDES;
SULFURIC-ACID; SULFATE; IRON; GOETHITE; TRANSFORMATION; COORDINATION;
SPECTROSCOPY
AB Fourier transform infrared (FTIR) spectral components of three dominant groups of sulfate species in synthetic schwertmannite (FeO(8)O(8)(OH)(6-x)(SO(4))(x)center dot nH(2)O) are presented. These components were extracted by multivariate curve resolution analysis of spectra obtained from N(2)(g)-dry samples initially reacted in aqueous solutions (pH 3-9) at room temperature. Each component contains complex sets of bands that correspond to mixtures of similar species. We tentatively assign these components to sulfate ions that are hydrogen- (components I and III) and iron-bonded (component I) to schwertmannite. Another component (II) is assigned to protonated sulfate species. Heating experiments to 130 degrees C moreover confirmed this possibility for component II. The spectral components extracted from this study can be used to identify dominant sulfate species in FTIR spectra of naturally occurring schwertmannite samples.
C1 [Boily, Jean-Francois] Umea Univ, Dept Chem, SE-90187 Umea, Sweden.
[Gassman, Paul L.; Peretyazhko, Tetyana; Szanyi, Janos; Zachara, John M.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Boily, JF (reprint author), Umea Univ, Dept Chem, SE-90187 Umea, Sweden.
EM jean-francois.boily@chem.umu.se
FU U.S. Department of Energy, Biological and Environmental Research
[DE-AC06-76RLO 1830]; Environmental Molecular Sciences Laboratory, a
national scientific user facility at Pacific Northwest National
Laboratory (PNNL)
FX This work was supported by the U.S. Department of Energy, Biological and
Environmental Research. It was performed at the Environmental Molecular
Sciences Laboratory, a national scientific user facility at Pacific
Northwest National Laboratory (PNNL) managed by the Department of
Energy's Office of Biological and Environmental Research. PNNL is
operated for the U.S. Department of Energy by Battelle under Contract
DE-AC06-76RLO 1830. J.-F.B. thanks the Kempe and Wallenberg foundations
for support.
NR 45
TC 27
Z9 27
U1 4
U2 42
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0013-936X
J9 ENVIRON SCI TECHNOL
JI Environ. Sci. Technol.
PD FEB 15
PY 2010
VL 44
IS 4
BP 1185
EP 1190
DI 10.1021/es902803u
PG 6
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 553EC
UT WOS:000274347800007
PM 20067282
ER
PT J
AU Keiluweit, M
Nico, PS
Johnson, MG
Kleber, M
AF Keiluweit, Marco
Nico, Peter S.
Johnson, Mark G.
Kleber, Markus
TI Dynamic Molecular Structure of Plant Biomass-Derived Black Carbon
(Biochar)
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID INNER-SHELL SPECTROSCOPY; ABSORPTION FINE-STRUCTURE; X-RAY-DIFFRACTION;
LIGNIN PYROLYSIS; PINE WOOD; CELLULOSE; CHARCOAL; NEXAFS;
BIOAVAILABILITY; CARBONIZATION
AB Char black carbon (BC), the solid residue of incomplete combustion, is continuously being added to soils and sediments due to natural vegetation fires, anthropogenic pollution, and new strategies for carbon sequestration ("biochar"). Here we present a molecular-level assessment of the physical organization and chemical complexity of biomass-derived chars and, specifically, that of aromatic carbon in char structures. Brunauer-Emmett-Teller (BET)-N(2) surface area (SA), X-ray diffraction (XRD), synchrotron-based near-edge X-ray absorption fine structure (NEXAFS), and Fourier transform infrared (FT-IR) spectroscopy are used to show how two plant materials (wood and grass) undergo analogous but quantitatively different physical-chemical transitions as charring temperature increases from 100 to 700 degrees C. These changes suggest the existence of four distinct categories of char consisting of a unique mixture of chemical phases and physical states: (i) in transition chars,the crystalline character of the precursor materials is preserved; (ii) in amorphous chars, the heat-altered molecules and incipient aromatic polycondensates are randomly mixed; (iii) composite chars consist of poorly ordered graphene stacks embedded in amorphous phases; and (iv) turbostratic chars are dominated by disordered graphitic crystallites. Molecular variations among the different char categories likely translate into differences in their ability to persist in the environment and function as environmental sorbents.
C1 [Keiluweit, Marco; Kleber, Markus] Oregon State Univ, Dept Crop & Soil Sci, Corvallis, OR 97331 USA.
[Nico, Peter S.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
[Johnson, Mark G.] US EPA, Natl Hlth & Environm Effects Res Lab, Western Ecol Div, Corvallis, OR 97333 USA.
RP Kleber, M (reprint author), Oregon State Univ, Dept Crop & Soil Sci, Corvallis, OR 97331 USA.
EM markus.kleber@oregonstate.edu
RI Nico, Peter/F-6997-2010; Ducey, Thomas/A-6493-2011
OI Nico, Peter/0000-0002-4180-9397;
FU U.S. DOE, Office of Science, Basic Energy Sciences [AC02-05CH11231];
U.S. Environmental Protection Agency
FX We thank F. Prahl and M. Sparrow for assistance with pyrolysis
procedures and elemental analysis, and D. Kilcoyne for providing "after
hours" support at ALS beamline 5.3.2. M. Keiluweit acknowledges a merit
scholarship awarded by the Department of Crop and Soil Science (OSU).
Partial support was provided by the Office of Science, Climate and
Environmental Science Division, of the U.S. DOE under Contract
DE-AC02-05CH11231. Use of the ALS was provided by U.S. DOE, Office of
Science, Basic Energy Sciences under the same contract. The information
in this document has been funded in part by the U.S. Environmental
Protection Agency. It has been subjected to review by the National
Health and Environmental Effects Research Laboratory's Western Ecology
Division and approved for publication. Approval does not signify that
the contents reflect the views of the agency, nor does mention of trade
names or commercial products constitute endorsement or recommendation
for use.
NR 44
TC 538
Z9 598
U1 147
U2 900
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0013-936X
J9 ENVIRON SCI TECHNOL
JI Environ. Sci. Technol.
PD FEB 15
PY 2010
VL 44
IS 4
BP 1247
EP 1253
DI 10.1021/es9031419
PG 7
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 553EC
UT WOS:000274347800016
PM 20099810
ER
PT J
AU Dumas, E
Gao, C
Suffern, D
Bradforth, SE
Dimitrijevic, NM
Nadeau, JL
AF Dumas, Eve
Gao, Cherry
Suffern, Diana
Bradforth, Stephen E.
Dimitrijevic, Nada M.
Nadeau, Jay L.
TI Interfacial Charge Transfer between CdTe Quantum Dots and Gram Negative
Vs Gram Positive Bacteria
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID ESCHERICHIA-COLI; PSEUDOMONAS-AERUGINOSA; ANTIBACTERIAL ACTIVITY;
SUPEROXIDE ANION; WATER SUSPENSION; SINGLET OXYGEN; NANOPARTICLES; TIO2;
TOXICITY; CYTOTOXICITY
AB Oxidative toxicity of semiconductor and metal nanomaterials to cells has been well established. However, it may result from many different mechanisms, some requiring direct cell contact and others resulting from the diffusion of reactive species in solution. Published results are contradictory due to differences in particle preparation, bacterial strain, and experimental conditions. It has been recently found that C(60) nanoparticles can cause direct oxidative damage to bacterial proteins and membranes, including causing a loss of cell membrane potential (depolarization). However, this did not correlate with toxicity. In this study we perform a similar analysis using fluorescent CdTe quantum dots, adapting our tools to make use of the particles' fluorescence. We find that two Gram positive strains show direct electron transfer to CdTe, resulting in changes in CdTe fluorescence lifetimes. These two strains also show changes in membrane potential upon nanoparticle binding. Two Gram negative strains do not show these effects-nevertheless, they are over 10-fold more sensitive to CdTe than the Gram positives. We find subtoxic levels of Cd(2+) release from the particles upon irradiation of the particles, but significant production of hydroxyl radicals, suggesting that the latter is a major source of toxicity. These results help establish mechanisms of toxicity and also provide caveats for use of certain reporter dyes with fluorescent nanoparticles which will be of use to anyone performing these assays. The findings also suggest future avenues of inquiry into electron transfer processes between nanomaterials and bacteria.
C1 [Dumas, Eve; Gao, Cherry; Nadeau, Jay L.] McGill Univ, Dept Biomed Engn, Montreal, PQ H3A 2B4, Canada.
[Suffern, Diana; Bradforth, Stephen E.] Univ So Calif, Dept Chem, Los Angeles, CA 90089 USA.
[Dimitrijevic, Nada M.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
[Dimitrijevic, Nada M.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
RP Nadeau, JL (reprint author), McGill Univ, Dept Biomed Engn, 3775 Univ St, Montreal, PQ H3A 2B4, Canada.
EM jay.nadeau@mcgill.ca
RI Bradforth, Stephen/B-5186-2008
OI Bradforth, Stephen/0000-0002-6164-3347
FU U.S. Environmental Protection Agency Science to Achieve Results (STAR)
[R831712]; National Science and Engineering Research Council of Canada
(NSERC); Canadian Institutes of Health Research (CIHR) [rms-82504]; U.S.
National Science Foundation [CHE-0617060]; U.S. Department of Energy,
Office of Basic Energy Sciences [DE-AC02-06CH11357]
FX D.C., E.D., and J.L.N. acknowledge the U.S. Environmental Protection
Agency Science to Achieve Results (STAR) program Grant No. R831712; the
National Science and Engineering Research Council of Canada (NSERC) Nano
IP and Individual Discovery programs; and the Canadian Institutes of
Health Research (CIHR) grant rms-82504. Work at USC is supported by the
U.S. National Science Foundation under Grant CHE-0617060. N.M.D. is
supported by U.S. Department of Energy, Office of Basic Energy Sciences
under Contract No. DE-AC02-06CH11357. We thank W. Minarik for the AA.
NR 32
TC 38
Z9 38
U1 2
U2 44
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0013-936X
J9 ENVIRON SCI TECHNOL
JI Environ. Sci. Technol.
PD FEB 15
PY 2010
VL 44
IS 4
BP 1464
EP 1470
DI 10.1021/es902898d
PG 7
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 553EC
UT WOS:000274347800049
PM 20085260
ER
PT J
AU LaVigne, M
Matthews, KA
Grottoli, AG
Cobb, KM
Anagnostou, E
Cabioch, G
Sherrell, RM
AF LaVigne, Michele
Matthews, Kathryn A.
Grottoli, Andrea G.
Cobb, Kim M.
Anagnostou, Eleni
Cabioch, Guy
Sherrell, Robert M.
TI Coral skeleton P/Ca proxy for seawater phosphate: Multi-colony
calibration with a contemporaneous seawater phosphate record
SO GEOCHIMICA ET COSMOCHIMICA ACTA
LA English
DT Article
ID TRACE MATERIALS; VARIABILITY; PHOSPHORUS; PACIFIC; CADMIUM;
PHYTOPLANKTON; DELTA-C-13; INCLUSION; NUTRIENTS; RATIOS
AB A geochemical proxy for surface ocean nutrient concentrations recorded in coral skeleton could provide new insight into the connections between sub-seasonal to centennial scale nutrient dynamics, ocean physics, and primary production in the past. Previous work showed that coralline P/Ca, a novel seawater phosphate proxy, varies synchronously with annual upwelling-driven cycles in surface water phosphate concentration. However, paired contemporaneous seawater phosphate time-series data, needed for rigorous calibration of the new proxy, were lacking. Here we present further development of the P/Ca proxy in Porites lutea and Montastrea sp. corals, showing that skeletal P/Ca in colonies from geographically distinct oceanic nutrient regimes is a linear function of seawater phosphate (PO(4) (SW)) concentration. Further, high-resolution P/Ca records in multiple colonies of Pavona gigantea and Porites lobata corals grown at the same upwelling location in the Gulf of Panama were strongly correlated to a contemporaneous time-series record of surface water PO(4 SW) at this site (r(2) = 0.7-0.9). This study supports application of the following multi-colony calibration equations to down-core records from comparable upwelling sites, resulting in +/- 0.2 and +/- 0.1 mu mol/kg uncertainties in PO(4) (SW) reconstructions from P. lobata and P. gigantea, respectively.
P/Ca(Porites) (lobata) (mu mol/mol) = (21.1 +/- 2.4)PO(4 SW)(mu mol/kg) + (14.3 +/- 3.8)
P/Ca(Porites) (lobata) (mu mol/mol) = (29.2 +/- 1.4)PO(4 SW)(mu mol/kg) + (33.4 +/- 2.7)
Inter-colony agreement in P/Ca response to PO(4 SW) was good (+/- 5-12% about mean calibration slope), suggesting that species-specific calibration slopes can be applied to new coral P/Ca records to reconstruct past changes in surface ocean phosphate. However, offsets in the v-intercepts of calibration regressions among co-located individuals and taxa suggest that biologically-regulated "vital effects" and/or skeletal extension rate may also affect skeletal P incorporation. Quantification of the effect of skeletal extension rate on P/Ca could lead to corrected calibration equations and improved inter-colony P/Ca agreement. Nevertheless, the efficacy of the P/Ca proxy is thus supported by both broad scale correlation to mean surface water phosphate and regional calibration against documented local seawater phosphate variations. (C) 2009 Elsevier Ltd. All rights reserved.
C1 [LaVigne, Michele; Anagnostou, Eleni; Sherrell, Robert M.] Rutgers State Univ, Inst Marine & Coastal Sci, New Brunswick, NJ 08903 USA.
[Matthews, Kathryn A.] Los Alamos Natl Lab, Los Alamos, NM USA.
[Grottoli, Andrea G.] Ohio State Univ, Sch Earth Sci, Columbus, OH 43210 USA.
[Cobb, Kim M.] Georgia Inst Technol, Sch Earth & Atmospher Sci, Atlanta, GA 30332 USA.
[Cabioch, Guy] Inst Rech Dev, Bondy, France.
[Sherrell, Robert M.] Rutgers State Univ, Dept Earth & Planetary Sci, Piscataway, NJ USA.
RP LaVigne, M (reprint author), Univ Calif Davis, Bodega Marine Lab, 2099 Westside Rd, Bodega Bay, CA 94923 USA.
EM lavigne@marine.rutgers.edu
OI Anagnostou, Eleni/0000-0002-7200-4794
FU Canon National Park Science Scholars Fellowship; American Chemical
Society Petroleum Research Fund [47625-AC2, 41740-G2]; National Science
Foundation [OCE 0752544, 0610487]; Andrew Mellon Foundation; Evolving
Earth Foundation
FX We thank B. Linsley, B. Lazar, D. Poore, T. I.). Hickey, C. Reich, K.
DeLong, A. Wron, and F. Desenfant, for global P/Ca distribution samples;
C. Theodore, I.S. Nurhati, and Y. Matsui for sample preparation and
analyses; L. D'Croz of the Smithsonian Tropical Research Institute for
Gulf of Panamd oceanographic data and field logistics; J. Palardy for
extensive field work assistance, Y. Rosenthal, J. Reinfelder, S.
Sosdian, T. Babila, and P. Field for valuable discussions on trace
elements in corals and proxy development. Funding support was provided
by the Canon National Park Science Scholars Fellowship to M. LaVigne,
the Donors of the American Chemical Society Petroleum Research Fund (ACS
PRF Grant 47625-AC2 to R. Sherrell and 41740-G2 to A. Grottoli), the
National Science Foundation (OCE 0752544 to R. Sherrell and 0610487 to
A. Grottoli), the Andrew Mellon Foundation (to A. Grottoli), and the
Evolving Earth Foundation (to K. Matthews). The reviews of T.
McConnaughey, Associate Editor A. Cohen, and an anonymous reviewer
greatly improved the quality of the manuscript.
NR 57
TC 24
Z9 25
U1 3
U2 18
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0016-7037
J9 GEOCHIM COSMOCHIM AC
JI Geochim. Cosmochim. Acta
PD FEB 15
PY 2010
VL 74
IS 4
BP 1282
EP 1293
DI 10.1016/j.gca.2009.11.002
PG 12
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 546QH
UT WOS:000273824800007
ER
PT J
AU Jaisi, DP
Blake, RE
Kukkadapu, RK
AF Jaisi, Deb P.
Blake, Ruth E.
Kukkadapu, Ravi K.
TI Fractionation of oxygen isotopes in phosphate during its interactions
with iron oxides
SO GEOCHIMICA ET COSMOCHIMICA ACTA
LA English
DT Article
ID HYDROUS FERRIC-OXIDE; STABLE-ISOTOPE; GOETHITE; FERRIHYDRITE;
ADSORPTION; HEMATITE; EXCHANGE; SORPTION; WATER; PHOSPHORUS
AB Iron (III) oxides are ubiquitous in near-surface soils and sediments and interact strongly with dissolved phosphates vie, sorption, co-precipitation, mineral transformation and redox-cycling reactions. Iron oxide phases are thus, an important reservoir for dissolved phosphate, and phosphate bound to iron oxides may reflect dissolved phosphate sources as well as carry a history of the biogeochemical cycling of phosphorus (P). It has recently been demonstrated that dissolved inorganic phosphate (DIP) in rivers, lakes, estuaries and the open ocean can be used to distinguish different P sources and biological reaction pathways in the ratio of (18)O/(16)O (delta(18)O(P)) in PO(4)(3-). Here we present results of experimental studies aimed at determining whether non-biological interactions between dissolved inorganic phosphate and solid iron oxides involve fractionation of oxygen isotopes in PO(4). Determination of such fractionations is critical to any interpretation of delta(18)O(P) values of modern (e.g., hydrothermal iron oxide deposits, marine sediments, soils, groundwater systems) to ancient and extra terrestrial samples (e.g., BIF's, Martian soils). Batch sorption experiments were performed using varied concentrations of synthetic ferrihydrite and isotopically-labeled dissolved ortho-phosphate at temperatures ranging from 4 to 95 degrees C. Mineral transformations and morphological changes were determined by X-Ray, Mossbauer spectroscopy and SEM image analyses.
Our results show that isotopic fractionation between sorbed and aqueous phosphate occurs during the early phase of sorption with isotopically-light phosphate (P(16)O(4)) preferentially incorporated into sorbed/solid phases. This fractionation showed negligible temperature-dependence and gradually decreased as a result of O-isotope exchange between sorbed and aqueous-phase phosphate, to become insignificant at greater than similar to 100 h of reaction. In high-temperature experiments, this exchange was very rapid resulting in negligible fractionation between sorbed and aqueous-phase phosphate at much shorter reaction times. Mineral transformation resulted in initial preferential desorption/loss of light phosphate (P(16)O(4)) to solution. However, the continual exchange between sorbed and aqueous PO(4), concomitant with this mineralogical transformation resulted again in negligible fractionation between aqueous and sorbed PO(4) at long reaction times (>2000 h). This finding is consistent with results obtained from natural marine samples. Therefore, (18)O values of dissolved phosphate (DIP) in sea water may be preserved during its sorption to iron-oxide minerals such as hydrothermal plume particles, making marine iron oxides a potential new proxy for dissolved phosphate in the oceans. (C) 2009 Elsevier Ltd. All rights reserved.
C1 [Jaisi, Deb P.; Blake, Ruth E.] Yale Univ, Dept Geol & Geophys, New Haven, CT 06520 USA.
[Kukkadapu, Ravi K.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Jaisi, DP (reprint author), Yale Univ, Dept Geol & Geophys, POB 208109, New Haven, CT 06520 USA.
EM deb.jaisi@yale.edu
FU American Chemical Society Petroleum Research Fund [45641AC2]; NSF
[EAR-0746241]; Pacific Northwest National Laboratory; Yale University
FX This research was supported by grants from the American Chemical Society
Petroleum Research Fund (45641AC2) and NSF (EAR-0746241) to R.E.B., and
EMSL Internal Grant from Pacific Northwest National Laboratory and
Interdepartmental Bateman Postdoctoral Fellowship from Yale University
to D.P.J. Mossbauer analysis and XRD measurements of the samples were
performed using EMSL, a national scientific user facility sponsored by
the Department of Energy's Office of Biological and Environmental
Research located at Pacific Northwest National Laboratory. We thank
Gerard Olack for his meticulous assistance with O-isotope analyses and
several constructive discussions during the project.
NR 47
TC 32
Z9 32
U1 9
U2 66
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0016-7037
J9 GEOCHIM COSMOCHIM AC
JI Geochim. Cosmochim. Acta
PD FEB 15
PY 2010
VL 74
IS 4
BP 1309
EP 1319
DI 10.1016/j.gca.2009.11.010
PG 11
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 546QH
UT WOS:000273824800009
ER
PT J
AU Um, W
Icenhower, JP
Brown, CF
Serne, RJ
Wang, ZM
Dodge, CJ
Francis, AJ
AF Um, Wooyong
Icenhower, Jonathan P.
Brown, Christopher F.
Serne, R. Jeffery
Wang, Zheming
Dodge, Cleveland J.
Francis, Arokiasamy J.
TI Characterization of uranium-contaminated sediments from beneath a
nuclear waste storage tank from Hanford, Washington: Implications for
contaminant transport and fate
SO GEOCHIMICA ET COSMOCHIMICA ACTA
LA English
DT Article
ID VADOSE ZONE SEDIMENTS; SURFACE COMPLEXATION MODEL; K-D; SITE; URANYL;
ADSORPTION; SORPTION; CALCITE; U(VI); LUMINESCENCE
AB The concentration and distribution of uranium (U) in sediment samples from three boreholes recovered near radioactive waste storage tanks at Hanford, Washington, USA, were determined in detail using bulk and micro-analytical techniques. The source of contamination was a plume that contained all estimated 7000 kg of dissolved U that seeped into the subsurface as a result of an accident that occurred during filling of tank BX-102. The desorption character and kinetics of U were also determined by experiment in order to assess the mobility of U in the vadose zone. Most samples contained too little moisture to obtain quantitative information on pore water compositions. Concentrations of U (and contaminant phosphate-P) in pore waters were therefore estimated by performing 1:1 sediment-to-water extractions and the data indicated concentrations of these elements were above that of uncontaminated "background" sediments. Further extraction of U by 8 N nitric acid indicated that a significant fraction of the total U is relatively immobile and may be sequestered in mobilization-resistant phases. Fine- and coarse-grained samples in sharp contact with one another were sub-sampled for further scrutiny and identification of U reservoirs. Segregation of the samples into their constituent size fractions coupled with microwave-assisted digestion of bulk samples showed that most of the U contamination was sequestered within the fine-grained fraction. Isotope exchange ((233)U) tests revealed that similar to 51% to 63% of the U is labile, indicating that the remaining fund of U is locked up in mobilization-resistant phases. Analysis by Micro-X-ray Fluorescence and Micro-X-ray Absorption Near-Edge Spectroscopy (mu-XRF and mu-XANES) showed that U is primarily associated with Ca and is predominately U(VI). The spectra obtained on U-enriched "hot spots" using Time-Resolved Laser-Induced Fluorescence Spectroscopy (TRLIFS) provide strong evidence for uranophane-type [Ca(UO(2))(2)(SiO(3)OH)(2)(H(2)O)(5)] and uranyl phosphate [Ca(UO(2))(2)(PO(4))(2)(H(2)O)1(0-12)] phases. These data show that disseminated micro-precipitates call form in narrow pore spaces within the finer-grained matrix and that these objects are likely not restricted to lithic fragment environments. Uranium mobility may therefore be curtailed by precipitation of uranyl silicate and phosphate phases, with additional possible influence exerted by capillary barriers. Consequently, equilibrium-based desorption models that predict the concentrations and mobility of U in the subsurface matrix at Hanford are unnecessarily conservative. Published by Elsevier Ltd.
C1 [Um, Wooyong; Icenhower, Jonathan P.; Brown, Christopher F.; Serne, R. Jeffery; Wang, Zheming; Dodge, Cleveland J.] Pacific NW Natl Lab, Richland, WA 99354 USA.
[Dodge, Cleveland J.; Francis, Arokiasamy J.] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Um, W (reprint author), Pacific NW Natl Lab, P7-22, Richland, WA 99354 USA.
EM wooyong.um@pnl.gov
RI Icenhower, Jonathan/E-8523-2011; Wang, Zheming/E-8244-2010
OI Wang, Zheming/0000-0002-1986-4357
FU U.S. Department of Energy (DOE)'s Office of River Protection
FX This work was conducted as part of the Tank Farm Vadose Zone Project led
by CH2M HILL Hanford Group, Inc., in support of the U.S. Department of
Energy (DOE)'s Office of River Protection. The authors wish to thank
John G. Kristofzski, Fredrick M. Mann, David A. Myers, Michael P.
Connelly, and Harold A. Sydnor with CH2M HILL Hanford Group, Inc. and
Dwayne Crumpler with Columbia Energy and Environmental Services for
their planning support and technical review of this work. We would also
like to express our gratitude to Robert Lober with the DOE Office of
River Protection for his support and interest. We gratefully acknowledge
Kent D. Reynolds, Dave Skoglie, Kelly Olson, and Mark Repko (Duratek
Federal Services, Inc.) for their efforts in selecting depths to sample
and executing the field work that obtained the samples. Finally, the
authors would like to thank Jeffrey G. Catalano (Washington University
in St. Louis) and two anonymous reviewers for thoughtful and
constructive critiques.
NR 50
TC 22
Z9 22
U1 8
U2 54
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0016-7037
J9 GEOCHIM COSMOCHIM AC
JI Geochim. Cosmochim. Acta
PD FEB 15
PY 2010
VL 74
IS 4
BP 1363
EP 1380
DI 10.1016/j.gca.2009.11.014
PG 18
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 546QH
UT WOS:000273824800014
ER
PT J
AU Karp, DR
Marthandan, N
Marsh, SGE
Ahn, C
Arnett, FC
DeLuca, DS
Diehl, AD
Dunivin, R
Eilbeck, K
Feolo, M
Guidry, PA
Helmberg, W
Lewis, S
Mayes, MD
Mungall, C
Natale, DA
Peters, B
Petersdorf, E
Reveille, JD
Smith, B
Thomson, G
Waller, MJ
Scheuermann, RH
AF Karp, David R.
Marthandan, Nishanth
Marsh, Steven G. E.
Ahn, Chul
Arnett, Frank C.
DeLuca, David S.
Diehl, Alexander D.
Dunivin, Raymond
Eilbeck, Karen
Feolo, Michael
Guidry, Paula A.
Helmberg, Wolfgang
Lewis, Suzanna
Mayes, Maureen D.
Mungall, Chris
Natale, Darren A.
Peters, Bjoern
Petersdorf, Effie
Reveille, John D.
Smith, Barry
Thomson, Glenys
Waller, Matthew J.
Scheuermann, Richard H.
TI Novel sequence feature variant type analysis of the HLA genetic
association in systemic sclerosis
SO HUMAN MOLECULAR GENETICS
LA English
DT Article
ID HLA-DQB1 1ST DOMAIN; DNA TOPOISOMERASE-I; T-CELL-RECEPTOR; AUTOANTIBODY
RESPONSE; RHEUMATOID-ARTHRITIS; HAPLOTYPE METHOD; AMINO-ACIDS;
SCLERODERMA; ANTIBODIES; PEPTIDE
AB We describe a novel approach to genetic association analyses with proteins sub-divided into biologically relevant smaller sequence features (SFs), and their variant types (VTs). SFVT analyses are particularly informative for study of highly polymorphic proteins such as the human leukocyte antigen (HLA), given the nature of its genetic variation: the high level of polymorphism, the pattern of amino acid variability, and that most HLA variation occurs at functionally important sites, as well as its known role in organ transplant rejection, autoimmune disease development and response to infection. Further, combinations of variable amino acid sites shared by several HLA alleles (shared epitopes) are most likely better descriptors of the actual causative genetic variants. In a cohort of systemic sclerosis patients/controls, SFVT analysis shows that a combination of SFs implicating specific amino acid residues in peptide binding pockets 4 and 7 of HLA-DRB1 explains much of the molecular determinant of risk.
C1 [Karp, David R.] UT SW Med Ctr, Div Rheumat Dis, Dept Internal Med, Dallas, TX 75390 USA.
[Marthandan, Nishanth; Guidry, Paula A.; Scheuermann, Richard H.] UT SW Med Ctr, Dept Pathol, Dallas, TX 75390 USA.
[Marsh, Steven G. E.; Waller, Matthew J.] Royal Free Hosp, Anthony Nolan Res Inst, London NW3 2QG, England.
[Ahn, Chul; Scheuermann, Richard H.] UT SW Med Ctr, Dept Clin Sci, Dallas, TX 75390 USA.
[Arnett, Frank C.; Mayes, Maureen D.; Reveille, John D.] UT Houston, Dept Internal Med, Houston, TX 77030 USA.
[DeLuca, David S.] Dana Farber Canc Inst, Boston, MA 02115 USA.
[Diehl, Alexander D.] Jackson Lab, Bar Harbor, ME 04609 USA.
[Dunivin, Raymond; Feolo, Michael] NIH, Natl Ctr Biotechnol Informat, Bethesda, MD 20894 USA.
[Eilbeck, Karen] Univ Utah, Dept Human Genet, Salt Lake City, UT 84122 USA.
[Helmberg, Wolfgang] Med Univ Graz, Dept Blood Grp Serol & Transfus Med, A-8036 Graz, Austria.
[Lewis, Suzanna; Mungall, Chris] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Natale, Darren A.] Georgetown Univ, Med Ctr, Washington, DC 20057 USA.
[Peters, Bjoern] La Jolla Inst Allergy & Immunol, Ctr Infect Dis, La Jolla, CA 92109 USA.
[Petersdorf, Effie] Fred Hutchinson Canc Res Ctr, Div Clin Res, Seattle, WA 98109 USA.
[Smith, Barry] SUNY Buffalo, Dept Philosophy, Buffalo, NY 14203 USA.
[Smith, Barry] SUNY Buffalo, New York State Ctr Excellence Bioinformat & Life, Buffalo, NY 14203 USA.
[Thomson, Glenys] Univ Calif Berkeley, Dept Integrat Biol, Berkeley, CA 94720 USA.
RP Karp, DR (reprint author), UT SW Med Ctr, Div Rheumat Dis, Dept Internal Med, 5323 Harry Hines Blvd, Dallas, TX 75390 USA.
EM david.karp@utsouthwestern.edu
RI Diehl, Alexander/G-9883-2016; Smith, Barry/A-9525-2011;
OI Diehl, Alexander/0000-0001-9990-8331; Smith, Barry/0000-0003-1384-116X;
Lewis, Suzanna/0000-0002-8343-612X; Scheuermann,
Richard/0000-0003-1355-892X
FU National Institutes of Health [N01-AI40076, N01-AR02251, P50-AR054144,
UL1-RR024148, UL1-RR024982]
FX This work was supported by the National Institutes of Health [contracts
N01-AI40076 and N01-AR02251; grants P50-AR054144, UL1-RR024148 and
UL1-RR024982].
NR 39
TC 19
Z9 19
U1 1
U2 2
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0964-6906
J9 HUM MOL GENET
JI Hum. Mol. Genet.
PD FEB 15
PY 2010
VL 19
IS 4
BP 707
EP 719
DI 10.1093/hmg/ddp521
PG 13
WC Biochemistry & Molecular Biology; Genetics & Heredity
SC Biochemistry & Molecular Biology; Genetics & Heredity
GA 545AA
UT WOS:000273702200013
PM 19933168
ER
PT J
AU Poineau, F
Hartmann, T
Weck, PF
Kim, E
Silva, GWC
Jarvinen, GD
Czerwinski, KR
AF Poineau, Frederic
Hartmann, Thomas
Weck, Philippe F.
Kim, Eunja
Silva, G. W. Chinthaka
Jarvinen, Gordon D.
Czerwinski, Kenneth R.
TI Structural Studies of Technetium-Zirconium Alloys by X-ray Diffraction,
High-Resolution Electron Microscopy, and First-Principles Calculations
SO INORGANIC CHEMISTRY
LA English
DT Article
ID SUPERCONDUCTIVITY; MOLECULES
AB The structural properties of Tc-Zr binary alloys were investigated using combined experimental and computational approaches. The Tc(2)Zr and Tc(6)Zr samples were characterized by X-ray diffraction analysis, scanning electron microscopy, electron probe microanalysis, and transmission electron microscopy. Our XRD results show that Tc(6)Zr crystallizes in the cubic alpha-Mn-type structure (/(43) over barm space group) with a variable stoichiometry of Tc(6.25-x)Zr (0 < x < 1.45), and Tc(2)Zr has a hexagonal crystal lattice with a MgZn(2)-type structure (P6(3)/mmc space group). Rietveld analysis of the powder XRD patterns and density functional calculations of the "Tc(6)Zr" phase show a linear increase of the lattice parameter when moving from Tc(6.25)Zr to Tc(4..80)Zr compositions, similar to previous observations in the Re-Zr system. This variation of the composition of "Tc(6)Zr" is explained by the substitution of Zr for Tc atoms in the 2a site of the alpha-Mn-type structure. These results suggest that the width of the "Tc(6)Ze" phase needs to be included when constructing the Tc-Zr phase diagram. The bonding character and stability of the various Tc-Zr phases were also investigated from first principles. Calculations indicate that valence and conduction bands near the Fermi level are dominated by electrons occupying the 4d orbital. In particular, the highest-lying molecular orbitals of the valence band of Tc(2)Zr are composed of d-d sigma bonds, oriented along the normal axis of the (110) plane and linking the Zr network to the Tc framework. Strong d-d bonds stabilizing the Tc framework in the hexagonal unit cell are also in the valence band. In the cubic structures of Tc-Zr phases, only Tc 4d orbitals are found to significantly contribute near the Fermi level.
C1 [Poineau, Frederic; Weck, Philippe F.; Silva, G. W. Chinthaka; Czerwinski, Kenneth R.] Univ Nevada Las Vegas, Dept Chem, Las Vegas, NV 89154 USA.
[Hartmann, Thomas; Czerwinski, Kenneth R.] Univ Nevada Las Vegas, Harry Reid Ctr Environm Studies, Las Vegas, NV 89154 USA.
[Kim, Eunja] Univ Nevada Las Vegas, Dept Phys & Astron, Las Vegas, NV 89154 USA.
[Jarvinen, Gordon D.] Los Alamos Natl Lab, GT Seaborg Inst, Los Alamos, NM 87545 USA.
RP Poineau, F (reprint author), Univ Nevada Las Vegas, Dept Chem, Las Vegas, NV 89154 USA.
EM freder29@unlv.nevada.edu
RI Silva, Chinthaka/E-1416-2017;
OI Silva, Chinthaka/0000-0003-4637-6030; , Philippe/0000-0002-7610-2893
FU U.S. Department of Energy [DE-AC07-05ID14517]
FX The authors thank Mr. Tom O'Dou for health physics support. We also
acknowledge Dr. Carol J. Burns (Los Alamos) for it generous loan of
ammonium pertechnetate. Funding for this research was provided by a
subcontract through Battelle 0089445 from the U.S. Department of Energy,
agreement no. DE-AC07-05ID14517.
NR 24
TC 8
Z9 8
U1 1
U2 10
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0020-1669
J9 INORG CHEM
JI Inorg. Chem.
PD FEB 15
PY 2010
VL 49
IS 4
BP 1433
EP 1438
DI 10.1021/ic9016257
PG 6
WC Chemistry, Inorganic & Nuclear
SC Chemistry
GA 551VT
UT WOS:000274240700030
PM 20085255
ER
PT J
AU Li, B
Kim, SJ
Miller, GJ
Corbett, JD
AF Li, Bin
Kim, Sung-Jin
Miller, Gordon J.
Corbett, John D.
TI K23Au12Sn9-An Intermetallic Compound Containing a Large Gold-Tin
Cluster: Synthesis, Structure, and Bonding
SO INORGANIC CHEMISTRY
LA English
DT Article
ID ZINTL-COMPOUNDS; FRAMEWORK STRUCTURE; CRYSTAL-STRUCTURE;
BUILDING-BLOCKS; SOLID-STATE; PHASES; CHEMISTRY; GERMANIUM; POLYHEDRA;
METALS
AB A polyanionic unit {Au12Sn9} with a novel "corrugated sheet" shape occurs in K23Au12Sn9. The compound was obtained by fusion of the pure elements in tantalum ampules at high temperatures followed by programmed cooling, and the structure was determined by X-ray diffraction: /(4) over bar 2m (No. 121), a = 20.834(3), c = 6.818(1) angstrom, Z= 2. The large heteroatomic cluster has D-2d point symmetry and features a central four bonded (4b-) Sri, eight 3b- or 2b-Sn on the perimeter, and 24 linking nearly linear Sn-Au bonds at 12 Au atoms. Formula splitting according to the Zintl concept suggests that the compound is one electron deficient, and linear muff in-tin-orbital (LMTO) electronic structure calculations show that the Fermi level (E-F) lies near a band gap at around 0.5 eV, that is, an incompletely filled valence band in concert with favorable atom packing. Large relative -ICOHP values for Au-Sn are consistent with the observed maximization of the number of heteroatomic bonds, whereas the numerous K-Sn and K-Au contacts contribute similar to 40% of the total -ICOHP. Extended-Huckel population and molecular orbital analyses indicate that the open band feature originates from 5p states that are associated with the 2b-corner Sri atoms. In accord with the electronic structure calculations, magnetic susceptibility measurements show a nearly temperature-independent paramagnetic property.
C1 [Corbett, John D.] Iowa State Univ, US DOE, Ames Lab, Ames, IA 50011 USA.
Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
RP Corbett, JD (reprint author), Iowa State Univ, US DOE, Ames Lab, Ames, IA 50011 USA.
EM jcorbett@iastate.edu
FU Office of the Basic Energy Sciences, Materials Sciences Division, U.S.
Department of Energy (DOE); Iowa State University [DE-AC02-07CH11358]
FX This research was supported by the Office of the Basic Energy Sciences,
Materials Sciences Division, U.S. Department of Energy (DOE); Ames
Laboratory is operated for DOE by Iowa State University under contract
No. DE-AC02-07CH11358.
NR 52
TC 3
Z9 3
U1 1
U2 8
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0020-1669
J9 INORG CHEM
JI Inorg. Chem.
PD FEB 15
PY 2010
VL 49
IS 4
BP 1503
EP 1509
DI 10.1021/ic901771x
PG 7
WC Chemistry, Inorganic & Nuclear
SC Chemistry
GA 551VT
UT WOS:000274240700039
PM 20063860
ER
PT J
AU Schelter, EJ
Wu, RL
Veauthier, JM
Bauer, ED
Booth, CH
Thomson, RK
Graves, CR
John, KD
Scott, BL
Thompson, JD
Morris, DE
Kiplinger, JL
AF Schelter, Eric J.
Wu, Ruilian
Veauthier, Jacqueline M.
Bauer, Eric D.
Booth, Corwin H.
Thomson, Robert K.
Graves, Christopher R.
John, Kevin D.
Scott, Brian L.
Thompson, Joe D.
Morris, David E.
Kiplinger, Jaqueline L.
TI Comparative Study of f-Element Electronic Structure across a Series of
Multimetallic Actinide and Lanthanoid-Actinide Complexes Possessing
Redox-Active Bridging Ligands
SO INORGANIC CHEMISTRY
LA English
DT Article
ID DENSITY-FUNCTIONAL THEORY; RAY-ABSORPTION SPECTROSCOPY; MIXED-VALENCE
URANIUM; BIS(KETIMIDO) COMPLEXES; METALLOCENE DICHLORIDES;
MAGNETIC-PROPERTIES; PENTAVALENT URANYL; EXCITED-STATES; FINE-STRUCTURE;
THORIUM(IV)
AB A comparative examination of the electronic interactions across a series of trimetallic actinide and mixed lanthanide-actinide and lanthanum-actinide complexes is presented. Using reduced, radical terpyridyl ligands as conduits in a bridging framework to promote intramolecular metal-metal communication, studies containing structural, electrochemical, and X-ray absorption spectroscopy are reported for (C(5)Me(5))(2)An[-N=C(Bn)(tpy-M{C(5)Me(4)R}(2))](2) (where An = Th(IV), U(IV); Bn = CH(2)C(6)H(5); M = La(III), Sm(III), Yb(III), U(III); R = H, Me, Et} to reveal effects dependent on the identities of the metal ions and R-groups. The electrochemical results show differences in redox energetics at the peripheral "M" site between complexes and significant wave splitting of the metal- and ligand-based processes indicating substantial electronic interactions between multiple redox sites across the actinide-containing bridge. Most striking is the appearance of strong electronic coupling for the trimetaillic Yb(III)-U(IV)-Yb(III), Sm(III)-U(IV)-Sm(III), and La(III)-U(IV)-La(III) complexes, [8](-), [9b](-), and (10b](-), respectively, whose calculated comproportionation constant K(c) is slightly larger than that reported for the benchmark Creutz-Taube ion. X-ray absorption studies for monometallic metallocene complexes of U(III) U(IV), and U(V) reveal small but detectable energy differences in the "white-line" feature of the uranium L(III)-edges consistent with these variations in nominal oxidation state. The sum of these data provides evidence of 5f/6d-orbital participation in bonding and electronic delocalization in these multimetallic f-element complexes. An improved, high-yielding synthesis of 4'-cyano-2,2:6',2 ''-terpyridine is also reported.
C1 [Schelter, Eric J.; Wu, Ruilian; Veauthier, Jacqueline M.; Bauer, Eric D.; Thomson, Robert K.; Graves, Christopher R.; John, Kevin D.; Scott, Brian L.; Thompson, Joe D.; Morris, David E.; Kiplinger, Jaqueline L.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Booth, Corwin H.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
RP Morris, DE (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM demorris@lanl.gov; kiplinger@lanl.gov
RI Bauer, Eric/D-7212-2011; Schelter, Eric/E-2962-2013; Booth,
Corwin/A-7877-2008; Morris, David/A-8577-2012; Kiplinger,
Jaqueline/B-9158-2011; Scott, Brian/D-8995-2017;
OI Kiplinger, Jaqueline/0000-0003-0512-7062; Scott,
Brian/0000-0003-0468-5396; Veauthier, Jacqueline/0000-0003-2206-7786;
Bauer, Eric/0000-0003-0017-1937; John, Kevin/0000-0002-6181-9330
FU Division of Chemical Sciences, Office of Basic Energy Sciences, Heavy
Element Chemistry; Director's, Agnew National Security, and Frederick
Reines Postdoctoral Fellowships; LANL G. T. Scaborg Institute for
Transactinium Science; LANL Laboratory Directed Research & Development
program. Portions; U.S. DOE at LANL [AC5206NA25396]; U.S. DOE
[DE-AC02-05CH11231]
FX For financial support of this work, we acknowledge the Division of
Chemical Sciences, Office of Basic Energy Sciences, Heavy Element
Chemistry program, LANL (Director's, Agnew National Security, and
Frederick Reines Postdoctoral Fellowships), the LANL G. T. Scaborg
Institute for Transactinium Science, and the LANL Laboratory Directed
Research & Development program. Portions, of this research were carried
Out at the Stanford Synchrotron Radiation Lightsource, a national user
facility operated by Stanford University on behalf of the U.S. DOE,
Office of Basic Energy Sciences. This work was carried Out under the
auspices of the NNSA of the U.S. DOE at LANL under Contract
DE-AC5206NA25396. Work at LBNL was supported by the Director, Office of
Science, Office of Basic Energy Sciences. of the U.S. DOE under Contract
No. DE-AC02-05CH11231. Drs. Slosh A. Kozimor and Rebecca M. Chamberlin
(LANL) are acknowledged for helpful discussions.
NR 70
TC 23
Z9 23
U1 7
U2 52
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0020-1669
J9 INORG CHEM
JI Inorg. Chem.
PD FEB 15
PY 2010
VL 49
IS 4
BP 1995
EP 2007
DI 10.1021/ic9024475
PG 13
WC Chemistry, Inorganic & Nuclear
SC Chemistry
GA 551VT
UT WOS:000274240700093
PM 20088535
ER
PT J
AU Cheng, TY
Szalda, DJ
Franz, JA
Bullock, RM
AF Cheng, Tan-Yun
Szalda, David J.
Franz, James A.
Bullock, R. Morris
TI Structural and computational studies of Cp(CO)(2)(PCy3)MoFBF3, a complex
with a bound BF4- ligand
SO INORGANICA CHIMICA ACTA
LA English
DT Article
DE Weakly coordinating ligand; DFT computations; Hydride transfer
reactions; Metal hydride; Molybdenum complex
ID CATALYTIC IONIC HYDROGENATIONS; COMPACT EFFECTIVE POTENTIALS; WEAKLY
COORDINATING ANIONS; HYDRIDE TRANSFER-REACTIONS; TRANSITION-METAL
HYDRIDES; EXPONENT BASIS-SETS; NONCOORDINATING ANIONS;
CRYSTAL-STRUCTURES; TRITYL CATION; KETONES
AB Hydride transfer from Cp(CO)(2)(PCy3)MoH to Ph3C+BF4- gives Cp(CO)(2)(PCy3)MoFBF3, and the crystal structure of this complex was determined. In the weakly bound FBF3 ligand, the B-F(bridging) bond length is 1.475(8) angstrom, which is 0.15 angstrom longer than the average length of the three B-F(terminal) bonds. The PCy3 and FBF3 ligands are cis to each other in the four-legged piano stool structure. Electronic structure (DFT) calculations predict the trans isomer of Cp(CO)(2)(PCy3)MoFBF3 to be 9.5 kcal/mol (in Delta G(g)degrees(,298)) less stable than the cis isomer that was crystallographically characterized. Hydride transfer from Cp(CO)(2)(PCy3)MoH to Ph3C+BAr4'-[Ar'-3,5 - bis(trifluoromethyl)phenyl] in CH2Cl2 solvent produces Cp(CO)(2()PCy3)Mo(ClCH2Cl)](+)[BAr4'](-), in which CH2Cl2 is coordinated to the metal. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Franz, James A.; Bullock, R. Morris] Pacific NW Natl Lab, Div Chem Sci, Richland, WA 99352 USA.
[Cheng, Tan-Yun; Szalda, David J.; Bullock, R. Morris] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
RP Bullock, RM (reprint author), Pacific NW Natl Lab, Div Chem Sci, POB 999,K2-57, Richland, WA 99352 USA.
EM morris.bullock@pnl.gov
RI Bullock, R. Morris/L-6802-2016
OI Bullock, R. Morris/0000-0001-6306-4851
FU US Department of Energy [DE-AC02-98CH10886]
FX Research at Brookhaven National Laboratory was carried out under
contract DE-AC02-98CH10886 with the US Department of Energy and was
supported by its Division of Chemical Sciences, Office of Basic Energy
Sciences. Research at Pacific Northwest National Laboratory was funded
by the Division of Chemical Sciences, Office of Basic Energy Sciences,
US Department of Energy. Pacific Northwest National Laboratory is
operated by Battelle for the US Department of Energy. The provision of
computing resources at the National Energy Research Scientific Computing
Center (NERSC), Office of Science, US-DOE, at Lawrence Berkeley National
Laboratory, is gratefully acknowledged.
NR 46
TC 3
Z9 3
U1 0
U2 4
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0020-1693
J9 INORG CHIM ACTA
JI Inorg. Chim. Acta
PD FEB 15
PY 2010
VL 363
IS 3
BP 581
EP 585
DI 10.1016/j.ica.2009.02.028
PG 5
WC Chemistry, Inorganic & Nuclear
SC Chemistry
GA 553VF
UT WOS:000274394200017
ER
PT J
AU Boley, CD
Cutter, KP
Fochs, SN
Pax, PH
Rotter, MD
Rubenchik, AM
Yamamoto, RM
AF Boley, C. D.
Cutter, K. P.
Fochs, S. N.
Pax, P. H.
Rotter, M. D.
Rubenchik, A. M.
Yamamoto, R. M.
TI Interaction of a high-power laser beam with metal sheets
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
DE aerodynamics; aluminium; elasticity; heat treatment; high-speed optical
techniques; laser beam effects; laser materials processing; melting
point
AB Experiments with a high-power laser beam directed onto thin aluminum sheets, with a large spot size, demonstrate that airflow produces a strong enhancement of the interaction. The enhancement is explained in terms of aerodynamic effects. As laser heating softens the material, the airflow-induced pressure difference between front and rear faces causes the metal to bulge into the beam. The resulting shear stresses rupture the material and remove it at temperatures well below the melting point. The material heating is shown to conform to an elementary model. We present an analytic model of elastic bulging. Scaling with respect to spot size, wind speed, and material parameters is determined.
C1 [Boley, C. D.; Cutter, K. P.; Fochs, S. N.; Pax, P. H.; Rotter, M. D.; Rubenchik, A. M.; Yamamoto, R. M.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Boley, CD (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
EM boley1@llnl.gov
FU U.S. Department of Energy [DE-AC52-07NA27344]
FX Work performed under the auspices of the U.S. Department of Energy by
Lawrence Livermore National Laboratory under Contract No.
DE-AC52-07NA27344.
NR 13
TC 14
Z9 21
U1 0
U2 9
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-8979
J9 J APPL PHYS
JI J. Appl. Phys.
PD FEB 15
PY 2010
VL 107
IS 4
AR 043106
DI 10.1063/1.3284204
PG 5
WC Physics, Applied
SC Physics
GA 562DG
UT WOS:000275028900007
ER
PT J
AU Garcia, MA
Jimenez-Villacorta, F
Quesada, A
de la Venta, J
Carmona, N
Lorite, I
Llopis, J
Fernandez, JF
AF Garcia, M. A.
Jimenez-Villacorta, F.
Quesada, A.
de la Venta, J.
Carmona, N.
Lorite, I.
Llopis, J.
Fernandez, J. F.
TI Surface magnetism in ZnO/Co3O4 mixtures
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
DE cobalt compounds; electronic structure; electrostatics; ferromagnetic
materials; II-VI semiconductors; reduction (chemical); reflectivity;
semimagnetic semiconductors; surface magnetism; wide band gap
semiconductors; XANES; zinc compounds
ID ROOM-TEMPERATURE; DOPED ZNO; SOL-GEL; FERROMAGNETISM; OXIDE
AB We recently reported the observation of room temperature ferromagnetism in mixtures of ZnO and Co3O4 despite the diamagnetic and antiferromagnetic character of these oxides, respectively. Here, we present a detailed study on the electronic structure of this material in order to account for the unexpected ferromagnetism. Electrostatic interactions between both oxides lead to a dispersion of Co3O4 particles over the surface of ZnO larger ones. As a consequence, the reduction Co+3 -> Co2+ at the particle surface takes place as evidenced by x-ray absorption spectroscopy measurements and optical spectroscopy. This reduction allows explaining the observed ferromagnetic signal within the well established theories of magnetism in oxides.
C1 [Garcia, M. A.; de la Venta, J.; Lorite, I.; Fernandez, J. F.] CSIC, Inst Ceram & Vidrio, E-28049 Madrid, Spain.
[Garcia, M. A.; de la Venta, J.; Carmona, N.; Llopis, J.] Univ Complutense Madrid, Dpto Fis Mat, E-28040 Madrid, Spain.
[Jimenez-Villacorta, F.] CSIC, Inst Ciencia Mat Madrid, E-28049 Madrid, Spain.
[Jimenez-Villacorta, F.] European Synchrotron Radiat Facil, Spanish CRG Beamline, SpLine, F-38043 Grenoble 09, France.
[Quesada, A.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Garcia, MA (reprint author), CSIC, Inst Ceram & Vidrio, Plaza Murillo 2, E-28049 Madrid, Spain.
EM magarcia@icv.csic.es
RI Jimenez-Villacorta, Felix/C-3924-2009; Quesada, Adrian/L-6475-2014;
Fernandez, Jose/M-4402-2014; Garcia, Miguel Angel/N-3043-2016; Carmona,
Noemi/I-1232-2015
OI Jimenez-Villacorta, Felix/0000-0001-7257-9208; Quesada,
Adrian/0000-0002-6994-0514; Fernandez, Jose/0000-0001-5894-9866; Garcia,
Miguel Angel/0000-0001-9972-2182; Carmona, Noemi/0000-0003-4765-2367
FU Spanish Council for Scientific Research [CSIC 2006-50F0122, CSIC
2007-50I015]; Spanish Ministry of Science and Education
[MAT2007-66845-C02-01, FIS-2008-06249]
FX ucas Perez and Manuel Plaza are acknowledged for the help with the
magnetic measurements. M. S. Martin-Gonzalez and J.L. Costa-Kramer are
acknowledged for fruitful discussions. This work was supported by the
Spanish Council for Scientific Research through Project Nos. CSIC
2006-50F0122 and CSIC 2007-50I015 and Spanish Ministry of Science and
Education through Project Nos. MAT2007-66845-C02-01 and FIS-2008-06249.
We acknowledge the European Synchrotron Radiation Facility for provision
of synchrotron radiation facilities and we would like to thank the
SpLine CRG beamline staff for assistance during x-ray absorption
experiments.
NR 21
TC 12
Z9 12
U1 0
U2 16
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-8979
J9 J APPL PHYS
JI J. Appl. Phys.
PD FEB 15
PY 2010
VL 107
IS 4
AR 043906
DI 10.1063/1.3294649
PG 5
WC Physics, Applied
SC Physics
GA 562DG
UT WOS:000275028900063
ER
PT J
AU Horansky, RD
Stiehl, GM
Beall, JA
Irwin, KD
Plionis, AA
Rabin, MW
Ullom, JN
AF Horansky, Robert D.
Stiehl, Gregory M.
Beall, James A.
Irwin, Kent D.
Plionis, Alexander A.
Rabin, Michael W.
Ullom, Joel N.
TI Measurement of ion cascade energies through resolution degradation of
alpha particle microcalorimeters
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
DE alpha-particle detection; alpha-particle effects; calorimeters; particle
detectors; ubiquitous computing
ID TRANSITION-EDGE SENSORS; X-RAY; ELECTRON-EMISSION; DETECTORS; DEFECT;
SPECTROMETERS; METALS; ARRAY
AB Atomic cascades caused by ions impinging on bulk materials have remained of interest to the scientific community since their discovery by Goldstein in 1902. While considerable effort has been spent describing and, more recently, simulating these cascades, tools that can study individual events are lacking and several aspects of cascade behavior remain poorly known. These aspects include the material energies that determine cascade magnitude and the variation between cascades produced by monoenergetic ions. We have recently developed an alpha particle detector with a thermodynamic resolution near 100 eV full-width-at-half-maximum (FWHM) and an achieved resolution of 1.06 keV FWHM for 5.3 MeV particles. The detector relies on the absorption of particles by a bulk material and a thermal change in a superconducting thermometer. The achieved resolution of this detector provides the highest resolving power of any energy dispersive technique and a factor of 8 improvement over semiconductor detectors. The exquisite resolution can be directly applied to improved measurements of fundamental nuclear decays and nuclear forensics. In addition, we propose that the discrepancy between the thermodynamic and achieved resolution is due to fluctuations in lattice damage caused by ion-induced cascades in the absorber. Hence, this new detector is capable of measuring the kinetic energy converted to lattice damage in individual atomic cascades. This capability allows new measurements of cascade dynamics; for example, we find that the ubiquitous modeling program, SRIM, significantly underestimates the lattice damage caused in bulk tin by 5.3 MeV alpha particles.
C1 [Horansky, Robert D.; Stiehl, Gregory M.; Beall, James A.; Irwin, Kent D.; Ullom, Joel N.] Natl Inst Stand & Technol, Boulder, CO USA.
[Plionis, Alexander A.; Rabin, Michael W.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Horansky, RD (reprint author), Natl Inst Stand & Technol, 325 Broadway,MS 817-03, Boulder, CO USA.
EM horansky@nist.gov
FU U.S. Department of Energy through the Office of Nonproliferation
Research and Development; LANL/LDRD; Department of Homeland Security;
NSF [IIS 0813777]
FX We acknowledge valuable technical discussions with Harvey Moseley, Galen
O'Neil, and Minesh Bacrania. We gratefully acknowledge the support of
the U.S. Department of Energy through the Office of Nonproliferation
Research and Development, the LANL/LDRD Program, and the Department of
Homeland Security for this work. RDH acknowledges support through NSF
(under Grant No. IIS 0813777).
NR 36
TC 16
Z9 16
U1 1
U2 3
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-8979
J9 J APPL PHYS
JI J. Appl. Phys.
PD FEB 15
PY 2010
VL 107
IS 4
AR 044512
DI 10.1063/1.3309279
PG 9
WC Physics, Applied
SC Physics
GA 562DG
UT WOS:000275028900101
ER
PT J
AU Pan, M
Bai, G
Liu, Y
Hong, S
Dravid, VP
Petford-Long, AK
AF Pan, M.
Bai, G.
Liu, Y.
Hong, S.
Dravid, V. P.
Petford-Long, A. K.
TI Effect of deposition temperature on surface morphology and magnetic
properties in epitaxial CoFe2O4 thin films deposited by metal organic
chemical vapor deposition
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
DE cobalt compounds; crystal microstructure; magnetic anisotropy; MOCVD;
surface morphology; surface roughness; vapour phase epitaxial growth
ID ULTRATHIN FILMS; COBALT FERRITE; FE3O4 FILMS; ANISOTROPY; BEHAVIOR;
GROWTH; ENERGY; SPINEL; ORIGIN
AB We have successfully grown epitaxial CoFe2O4 (CFO) thin film on SrTiO3 by metal organic chemical vapor deposition. In order to understand the surface structure and its correlation with magnetic properties, CFO thin films were deposited at a range of deposition temperatures. As the deposition temperature is decreased, a huge effect on film morphology and surface roughness is observed, resulting from a change in the size and density of the crystal nuclei. These changes to grain structure and surface roughness modify the energy landscape of the films and are major contributors to the change in magnetic properties as a function of deposition temperature: the direction of the easy axis is aligned in-plane at lower deposition temperatures and lower anisotropy between different directions is observed in the rough films grown at high temperature.
C1 [Pan, M.; Bai, G.; Liu, Y.; Hong, S.; Petford-Long, A. K.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Pan, M.; Dravid, V. P.; Petford-Long, A. K.] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA.
RP Pan, M (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM mengchunpan2008@u.northwestern.edu
RI Dravid, Vinayak/B-6688-2009; Hong, Seungbum/B-7708-2009; Petford-Long,
Amanda/P-6026-2014; Liu, Yuzi/C-6849-2011
OI Hong, Seungbum/0000-0002-2667-1983; Petford-Long,
Amanda/0000-0002-3154-8090;
FU U.S. Department of Energy Office of Science Laboratory
[DE-AC02-06CH11357]; National Science Foundation [DMR-0520513];
Department of Energy [DE-FG02-07ER46444]
FX This work was mostly carried out by UChicago Argonne, LLC, Operator of
Argonne National Laboratory. Argonne, a U.S. Department of Energy Office
of Science Laboratory, is operated under Contract No. DE-AC02-06CH11357.
Use of the Electron Microscopy Center of Argonne National Laboratory is
gratefully acknowledged. This work made use of J. B. Cohen X-ray
Diffraction Facility supported by the MR-SEC program of the National
Science Foundation (Contract No. DMR-0520513) at the Materials Research
Center of Northwestern University. This material is based upon work
supported by the Department of Energy under Award No. DE-FG02-07ER46444.
DOE's support does not constitute an endorsement by DOE of the views
expressed in the article. The authors would like to thank John Pearson
and Axel Hoffman for assistance with SQUID measurements and Jui-Ching
Lin for XRR technical support.
NR 40
TC 13
Z9 13
U1 1
U2 16
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-8979
J9 J APPL PHYS
JI J. Appl. Phys.
PD FEB 15
PY 2010
VL 107
IS 4
AR 043908
DI 10.1063/1.3312011
PG 7
WC Physics, Applied
SC Physics
GA 562DG
UT WOS:000275028900065
ER
PT J
AU Salvador, JR
Yang, J
Wang, H
Shi, X
AF Salvador, J. R.
Yang, J.
Wang, H.
Shi, X.
TI Double-filled skutterudites of the type YbxCayCo4Sb12: Synthesis and
properties
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
DE crystal structure; electrical resistivity; inclusions; phonons; thermal
conductivity; thermoelectricity; ytterbium compounds
ID LATTICE THERMAL-CONDUCTIVITY; THERMOELECTRIC PROPERTIES;
TRANSPORT-PROPERTIES; FILLING FRACTION; HIGH FIGURE; COSB3;
SEMICONDUCTOR; ANTIMONIDES; MERIT
AB Filled skutterudites based on CoSb3 exhibit high ZT values due to the inclusion of filler atoms into voids that comprise the crystal structure of CoSb3. These atoms act as electron-donating species that dope the parent material, thereby decreasing the electrical resistivity. Additionally, the loosely bound nature of the filler species acts to scatter heat carrying phonons, which reduce the thermal conductivity. Recently it has been reported that filler atoms from different chemical groups could be cofilled into CoSb3, which further reduces the thermal conductivity, likely by scattering a wider spectrum of phonons. Presented here is the synthesis and transport property evaluation of a series of double-filled skutterudites of the type YbxCayCo4Sb12. Good power factors, S-2/rho comparable to Yb-filled skutterudites are obtained for samples with a high Yb to Ca filling ratio. Filling with Ca and Yb did not yield a significant reduction in the thermal conductivity and as a result the ZT values are not improved as compared to Yb-only filled skutterudites although they are much improved as compared to Ca-only filled.
C1 [Salvador, J. R.] GM R&D Ctr, Chem Sci & Mat Syst Lab, Warren, MI 48090 USA.
[Yang, J.] GM R&D Ctr, Electrochem Energy Res Lab, Warren, MI 48090 USA.
[Wang, H.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Shi, X.] Optimal Inc, Plymouth Township, MI 48170 USA.
RP Salvador, JR (reprint author), GM R&D Ctr, Chem Sci & Mat Syst Lab, Warren, MI 48090 USA.
EM james.salvador@gm.com
RI Yang, Jihui/A-3109-2009; Wang, Hsin/A-1942-2013
OI Wang, Hsin/0000-0003-2426-9867
FU GM and by DOE under Corporate Agreement [DE-FC2604NT42278]; Assistant
Secretary for Energy Efficiency and Renewable Energy, Office of
Transportation Technologies as part of the High Temperature Materials
Laboratory User Program at Oak Ridge National Laboratory
[DEAC05000OR22725]
FX J.R.S., X. S., and J.Y. would like to thank Dr. J.F. Herbst and Dr. M.
W. Verbrugge for their continued support and encouragement. Elemental
analysis provided by Richard Waldo, and x-ray powder diffraction
measurements provided by Richard Speers Jr. The work is supported by GM
and by DOE under Corporate Agreement No. DE-FC2604NT42278, by the
Assistant Secretary for Energy Efficiency and Renewable Energy, Office
of Transportation Technologies as part of the High Temperature Materials
Laboratory User Program at Oak Ridge National Laboratory managed by the
UT-Battelle LLC, for the Department of Energy under Grant No.
DEAC05000OR22725.
NR 40
TC 39
Z9 39
U1 1
U2 24
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-8979
J9 J APPL PHYS
JI J. Appl. Phys.
PD FEB 15
PY 2010
VL 107
IS 4
AR 043705
DI 10.1063/1.3296186
PG 6
WC Physics, Applied
SC Physics
GA 562DG
UT WOS:000275028900050
ER
PT J
AU Vogler, TJ
Alexander, CS
Wise, JL
Montgomery, ST
AF Vogler, T. J.
Alexander, C. S.
Wise, J. L.
Montgomery, S. T.
TI Dynamic behavior of tungsten carbide and alumina filled epoxy composites
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
DE aluminium compounds; fibre reinforced composites; interferometry; shock
wave effects; tungsten compounds; wave propagation
ID PARTICULATE-LOADED MATERIALS; ISENTROPIC COMPRESSION; WAVE PROPAGATION;
SHOCK; PARTICLES; MATRIX; ALLOY
AB The dynamic behavior of a tungsten carbide filled epoxy composite is studied under planar loading conditions. Planar impact experiments were conducted to determine the shock and wave propagation characteristics of the material. Its stress-strain response is very close to a similar alumina filled epoxy studied previously, suggesting that the response of the composite is dominated by the compliant matrix material. Wave propagation characteristics are also similar for the two materials. Magnetically driven ramp loading experiments were conducted to obtain a continuous loading response which is similar to that obtained under shock loading. Spatially resolved interferometry was fielded on one experiment to provide a quantitative measure of the variability inherent in the response of this heterogeneous material. Complementing the experiments, a two-dimensional mesoscale model in which the individual constituents of the composite are resolved was used to simulate its behavior. Agreement of the predicted shock and release wave velocities with experiments is excellent, and the model is qualitatively correct on most other aspects of behavior.
C1 [Vogler, T. J.] Sandia Natl Labs, Livermore, CA 94550 USA.
[Alexander, C. S.; Wise, J. L.; Montgomery, S. T.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Vogler, TJ (reprint author), Sandia Natl Labs, Livermore, CA 94550 USA.
EM tjvogle@sandia.gov
FU Joint DoD/DOE Munitions Technology Development Program; Sandia
Corporation, a Lockheed Martin Co.
FX The authors wish to thank the teams at the STAR and DICE facilities for
the execution of the gas gun and Veloce experiments. They would also
like to thank Tom Ao for the analysis of the line-VISAR experiment
presented herein. This work was supported by the Joint DoD/DOE Munitions
Technology Development Program. Sandia is a multiprogram laboratory
operated by Sandia Corporation, a Lockheed Martin Co., for the National
Nuclear Security Administration of the United States Department of
Energy under Contract No. DE-AC04-94AL85000.
NR 39
TC 10
Z9 10
U1 4
U2 13
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-8979
J9 J APPL PHYS
JI J. Appl. Phys.
PD FEB 15
PY 2010
VL 107
IS 4
AR 043520
DI 10.1063/1.3295904
PG 13
WC Physics, Applied
SC Physics
GA 562DG
UT WOS:000275028900036
ER
PT J
AU Wang, L
Matson, DW
Polikarpov, E
Swensen, JS
Bonham, CC
Cosimbescu, L
Berry, JJ
Ginley, DS
Gaspar, DJ
Padmaperuma, AB
AF Wang, Liang
Matson, Dean W.
Polikarpov, Evgueni
Swensen, James S.
Bonham, Charles C.
Cosimbescu, Lelia
Berry, Joseph J.
Ginley, David S.
Gaspar, Daniel J.
Padmaperuma, Asanga B.
TI Highly efficient blue organic light emitting device using indium-free
transparent anode Ga:ZnO with scalability for large area coating
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
DE current density; gallium; II-VI semiconductors; organic light emitting
diodes; sputter deposition; wide band gap semiconductors; zinc compounds
ID GA-DOPED ZNO; OXIDE THIN-FILMS; ZINC-OXIDE; OPTICAL-PROPERTIES;
SUBSTRATE-TEMPERATURE; DEPOSITION; GALLIUM; WINDOWS; PERFORMANCE;
PRESSURE
AB Organic light emitting devices have been achieved with an indium-free transparent anode, Ga doped ZnO (GZO). A large area coating technique was used (RF magnetron sputtering) to deposit the GZO films onto glass. The respective organic light emitting devices exhibited an operational voltage of 3.7 V, an external quantum efficiency of 17%, and a power efficiency of 39 lm/W at a current density of 1 mA/cm(2). These parameters are well within acceptable standards for blue OLEDs to generate a white light with high enough brightness for general lighting applications. It is expected that high-efficiency, long-lifetime, large area, and cost-effective white OLEDs can be made with these indium-free anode materials.
C1 [Wang, Liang; Matson, Dean W.; Polikarpov, Evgueni; Swensen, James S.; Bonham, Charles C.; Cosimbescu, Lelia; Gaspar, Daniel J.; Padmaperuma, Asanga B.] Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99352 USA.
[Berry, Joseph J.; Ginley, David S.] Natl Ctr Photovolta, Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Wang, L (reprint author), Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99352 USA.
EM asanga.padmaperuma@pnl.gov
RI Gaspar, Dan/H-6166-2011;
OI Gaspar, Daniel/0000-0002-8089-810X
FU U.S. Department of Energy [M6642866]; U.S. Department of Energy (DOE)
[DE-AC06-76RLO 1830]
FX The authors thank Wendy D. Bennett for helpful discussions on the
uniformity of thin film deposition by magnetron sputtering. This project
was funded by the Solid Sate Lighting Program within the Building
Technologies Program (BT) managed by the National Energy Technology
Laboratory (NETL) of the Energy Efficiency and Renewable Energy Division
of the U.S. Department of Energy Award No. M6642866. A portion of the
research described in this paper was performed in the Environmental
Molecular Sciences Laboratory, a national scientific user facility
sponsored by the Department of Energy's Office of Biological and
Environmental Research and located at the Pacific Northwest National
Laboratory. Pacific Northwest National Laboratory (PNNL) is operated by
the Battelle Memorial Institute for the U.S. Department of Energy (DOE)
under Contract No. DE-AC06-76RLO 1830.
NR 57
TC 18
Z9 19
U1 0
U2 14
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-8979
J9 J APPL PHYS
JI J. Appl. Phys.
PD FEB 15
PY 2010
VL 107
IS 4
AR 043103
DI 10.1063/1.3282526
PG 8
WC Physics, Applied
SC Physics
GA 562DG
UT WOS:000275028900004
ER
PT J
AU Thomas, JE
Kelley, MJ
AF Thomas, Joan E.
Kelley, Michael J.
TI A study of competitive adsorption of organic molecules onto mineral
oxides using DRIFTS
SO JOURNAL OF COLLOID AND INTERFACE SCIENCE
LA English
DT Article
DE Infrared spectroscopy; DRIFTS; Kaolinite; Gamma alumina; Adsorption;
Surface water; Myristic acid; Salicylic acid; Hexane solvent
ID SPECTROSCOPY
AB Analysis of DRIFTS spectra was used for a quantitative study of competitive adsorption of myristic and salicylic acids onto kaolinite or gamma-alumina. Peaks unique to the ring or the chain were selected and single molecule studies used as calibration. Samples were exposed to hexane solution containing equal molecular quantities of each acid. The surface loading of salicylic acid was not influenced by the presence of myristic acid on either mineral but the maximum loading of myristic acid was decreased (46-50%) by salicylic acid. Displacement of myristic acid from gamma-alumina, but not kaolinite, was observed when excess salicylic acid remained in Solution. A 25% increase in the maximum loading was observed for kaolinite, but not for gamma-alumina. On gamma-alumina, after a loading of 1 molecule per nm(2), increased exposure resulted in salicylic acid adsorption only, this value is approximately the same for salicylic acid adsorption from aqueous solution or for water washed hexane treated samples [1,2]. Thus a set of sites for adsorption of either acid is indicated together with other energetically less favorable sites, which can be occupied by salicylic, but not by myristic, acid. (C) 2009 Elsevier Inc. All rights reserved.
C1 [Kelley, Michael J.] Coll William & Mary, Jefferson Lab, FEL Div, Newport News, VA 23606 USA.
Coll William & Mary, Dept Appl Sci, Newport News, VA 23606 USA.
RP Kelley, MJ (reprint author), Coll William & Mary, Jefferson Lab, FEL Div, 12050 Jefferson Ave,Suite 601, Newport News, VA 23606 USA.
EM mkelley@jlab.org
FU Commonwealth of Virginia
FX We gratefully acknowledge the Commonwealth of Virginia for financial
support.
NR 8
TC 1
Z9 1
U1 0
U2 6
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9797
J9 J COLLOID INTERF SCI
JI J. Colloid Interface Sci.
PD FEB 15
PY 2010
VL 342
IS 2
BP 474
EP 478
DI 10.1016/j.jcis.2009.10.031
PG 5
WC Chemistry, Physical
SC Chemistry
GA 550GX
UT WOS:000274117400033
PM 19922942
ER
PT J
AU Gojkovic, SL
Babic, BM
Radmilovic, VR
Krstajic, NV
AF Gojkovic, S. Lj.
Babic, B. M.
Radmilovic, V. R.
Krstajic, N. V.
TI Nb-doped TiO2 as a support of Pt and Pt-Ru anode catalyst for PEMFCs
SO JOURNAL OF ELECTROANALYTICAL CHEMISTRY
LA English
DT Article
DE Oxide support; TiO2; Pt-Ru nanocatalyst; Methanol oxidation; Polymer
electrolyte membrane fuel cell
ID PLATINUM-RUTHENIUM ALLOY; METHANOL ELECTROOXIDATION; FUEL-CELLS;
ELECTROCATALYSTS; ELECTRODES; OXIDATION; CO; NANOPARTICLES; DEPOSITION;
REDUCTION
AB TiO2 doped by 0.5% Nb was synthesized by the acid-catalyzed sol-gel method. BET surface area was determined to be 72 m(2) g(-1). XRD measurements showed that TiO2 has structure of anatase with similar to 13 nm average crystallite size. Using Nb-TiO2 as a support, Pt/Nb-TiO2 and Pt-Ru/Nb-TiO2 were prepared by borohydride reduction method. TEM imaging of Pt-Ru/Nb-TiO2 revealed rather uniform distribution of the metallic particles on the support with a mean diameter of 3.8 nm. According to XRD analysis, Pt-Ru particles consist of the solid solution of Ru in Pt (40 at.% Ru) and a small amount of RuO2.
Cyclic voltammetry of Pt/Nb-TiO2 and Pt-Ru/Nb-TiO2 indicated good conductivity of the supporting material. Oxidation of pre-adsorbed CO and methanol on Pt-Ru/Nb-TiO2 was faster than on Pt/Nb-TiO2. However, when the activities of Pt/Nb-TiO2 and Pt-Ru/Nb-TiO2 for methanol oxidation were compared to those of Pt/XC-72 and Pt-Ru/XC-72, no significant difference was observed. This means that Nb-TiO2 is a promising replacement for high area carbon supports in PEMFC anodes, but without the influence on the reaction kinetics. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Gojkovic, S. Lj.; Krstajic, N. V.] Univ Belgrade, Fac Technol & Met, Belgrade 11120, Serbia.
[Babic, B. M.] Vinca Inst Nucl Sci, Belgrade 11001, Serbia.
[Radmilovic, V. R.] Univ Calif Berkeley, Lawrence Berkeley Lab, Natl Ctr Electron Microscopy, Berkeley, CA 94720 USA.
RP Gojkovic, SL (reprint author), Univ Belgrade, Fac Technol & Met, Karnegijeva 4, Belgrade 11120, Serbia.
EM sgojkovic@tmf.bg.ac.rs
FU Ministry of Science and Development, Republic of Serbia [142038]
FX This paper has been supported by the Ministry of Science and
Development, Republic of Serbia, under Contract No. 142038.
NR 25
TC 38
Z9 41
U1 5
U2 54
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 1572-6657
J9 J ELECTROANAL CHEM
JI J. Electroanal. Chem.
PD FEB 15
PY 2010
VL 639
IS 1-2
BP 161
EP 166
DI 10.1016/j.jelechem.2009.12.004
PG 6
WC Chemistry, Analytical; Electrochemistry
SC Chemistry; Electrochemistry
GA 563MU
UT WOS:000275137400023
ER
PT J
AU Grzenia, DL
Schell, DJ
Wickramsinghe, SR
AF Grzenia, David L.
Schell, Daniel J.
Wickramsinghe, S. Ranil
TI Detoxification of biomass hydrolysates by reactive membrane extraction
SO JOURNAL OF MEMBRANE SCIENCE
LA English
DT Article
DE Aliphatic amine extractant; Detoxification; Hydrolysate; Lignocellulosic
biomass; Membrane extraction
ID REDUCING SOLVENT TOXICITY; CARBOXYLIC-ACIDS; LIGNOCELLULOSIC BIOMASS;
AMINE EXTRACTANTS; GAS MEMBRANES; ACETIC-ACID; FERMENTATION;
PRETREATMENT; RECOVERY; TECHNOLOGIES
AB Economical conversion of lignocellulosic biomass into biofuels is essential to reduce the world's dependence on fossil fuels. The typical biochemical process for biomass conversion includes a thermochemical pretreatment step to improve enzymatic cellulose hydrolysis and to release hemicellulosic sugars from the polymer matrix. However compounds that are toxic to microorganisms in subsequent fermentation steps may also be released. This work investigates the use of membrane extraction to detoxify or remove these toxic compounds from corn stover hydrolysates pretreated using dilute sulphuric acid.
Extraction of sulphuric, acetic, formic and levulinic acid as well as 5-hydroxymethylfurfural and furfural has been investigated. Octanol and oelyl alcohol were used as organic phase solvents. Alamine 336 was used as the aliphatic amine extractant. Reactive extraction of sulphuric, acetic, formic and levulinc acid was observed while 5-hydroxymethylfurfural and furfural were extracted due to their distribution in the organic solvent. Significant removal of all toxic compounds investigated was obtained as well an increase in pH from 1.0 to 5.0. As small quantities of the organic phase transferred into the hydrolysate during extraction, the toxicity of the organic phase must be considered. As it is likely that detoxification will require the use of another unit operation in combination with membrane extraction, the economical viability of the combined process must be considered. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Grzenia, David L.; Wickramsinghe, S. Ranil] Colorado State Univ, Dept Chem & Biol Engn, Ft Collins, CO 80523 USA.
[Schell, Daniel J.] Natl Renewable Energy Lab, Natl Bioenergy Ctr, Golden, CO 80401 USA.
RP Wickramsinghe, SR (reprint author), Colorado State Univ, Dept Chem & Biol Engn, Ft Collins, CO 80523 USA.
EM wickram@engr.colostate.edu
FU U.S. Department of Energy; National Renewable Energy Laboratory
[ZFT-9-99323-01]
FX Funding for this work was provided by the U.S. Department of Energy's
Office of the Biomass Program and funding for Colorado State University
was provided by a subcontract with the National Renewable Energy
Laboratory (ZFT-9-99323-01). We wish to thank Gary McMillen for material
support, Jody Farmer and Robert Lyons for help with equipment setup, and
Deborah Hyman, William Michener, and David Johnson for help with the
analytical methods.
NR 34
TC 23
Z9 23
U1 1
U2 26
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0376-7388
J9 J MEMBRANE SCI
JI J. Membr. Sci.
PD FEB 15
PY 2010
VL 348
IS 1-2
BP 6
EP 12
DI 10.1016/j.memsci.2009.10.035
PG 7
WC Engineering, Chemical; Polymer Science
SC Engineering; Polymer Science
GA 558SE
UT WOS:000274765300002
ER
PT J
AU Zhang, S
Shao, YY
Yin, GP
Lin, YH
AF Zhang, Sheng
Shao, Yuyan
Yin, Geping
Lin, Yuehe
TI Facile synthesis of PtAu alloy nanoparticles with high activity for
formic acid oxidation
SO JOURNAL OF POWER SOURCES
LA English
DT Article
DE Direct formic acid fuel cell; Electrocatalyst; Platinum-gold alloy
nanoparticle; Catalytic activity
ID METHANOL FUEL-CELLS; OXYGEN-REDUCTION; PLATINUM NANOPARTICLES;
ELECTROCATALYTIC ACTIVITY; AU NANOPARTICLES; PT/C CATALYSTS;
ELECTROOXIDATION; PERFORMANCE; SURFACE; MICROEMULSION
AB We report the facile synthesis of carbon supported PtAu alloy nanoparticles with high electrocatalytic activity as anode catalysts for direct formic acid fuel cells (DFAFCs). PtAu alloy nanoparticles are prepared by co-reducing HAuCl(4) and H(2)PtCl(6) with NaBH(4) in the presence of sodium citrate and then deposited on Vulcan XC-72R carbon support (PtAu/C). The obtained catalysts are characterized with X-ray diffraction (XRD) and transmission electron microscope (TEM), which reveal the formation of PtAu alloy nanoparticles with an average diameter of 4.6 nm. Electrochemical measurements show that PtAu/C has seven times higher catalytic activity towards formic acid oxidation than Pt/C. This significantly enhanced activity of PtAu/C catalyst can be attributed to noncontinuous Pt sites formed in the presence of the neighbored Au sites, which promotes direct oxidation of formic acid. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Zhang, Sheng; Yin, Geping] Harbin Inst Technol, Sch Chem Engn & Technol, Harbin 150001, Peoples R China.
[Zhang, Sheng; Shao, Yuyan; Lin, Yuehe] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Yin, GP (reprint author), Harbin Inst Technol, Sch Chem Engn & Technol, Harbin 150001, Peoples R China.
EM yingphit@hit.edu.cn; yuehe.lin@pnl.gov
RI Zhang, Sheng/H-2452-2011; Shao, Yuyan/A-9911-2008; Lin,
Yuehe/D-9762-2011
OI Zhang, Sheng/0000-0001-7532-1923; Shao, Yuyan/0000-0001-5735-2670; Lin,
Yuehe/0000-0003-3791-7587
FU Natural Science Foundation of China [50872027, 20606007]; Laboratory
Directed Research and Development program; DOE [DE-AC05-76L01830]; China
Scholarship Council; PNNL
FX This work is partially supported by the Natural Science Foundation of
China (Nos. 50872027 and 20606007) and partially by a Laboratory
Directed Research and Development program at Pacific Northwest National
Laboratory (PNNL). Part of the research described in this paper was
performed at the Environmental Molecular Sciences Laboratory, a national
scientific-user facility sponsored by the U.S. Department of Energy's
(DOES) Office of Biological and Environmental Research and located at
PNNL. PNNL is operated for DOE by Battelle under Contract
DE-AC05-76L01830. The authors would like to acknowledge Dr. Chongmin
Wang for TEM measurements. Sheng Zhang would like to acknowledge the
fellowship from the China Scholarship Council and the fellowship from
PNNL.
NR 34
TC 72
Z9 74
U1 5
U2 80
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-7753
J9 J POWER SOURCES
JI J. Power Sources
PD FEB 15
PY 2010
VL 195
IS 4
BP 1103
EP 1106
DI 10.1016/j.jpowsour.2009.08.054
PG 4
WC Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials
Science, Multidisciplinary
SC Chemistry; Electrochemistry; Energy & Fuels; Materials Science
GA 519PK
UT WOS:000271779100026
ER
PT J
AU Chen, GY
Richardson, TJ
AF Chen, Guoying
Richardson, Thomas J.
TI Thermal instability of Olivine-type LiMnPO4 cathodes
SO JOURNAL OF POWER SOURCES
LA English
DT Article
DE Thermal stability; Lithium batteries; Olivine phosphates
ID SOLID-SOLUTION PHASES; ELEVATED-TEMPERATURES; NONAQUEOUS SOLVENTS;
BATTERY CATHODES; ION BATTERIES; STABILITY; LIFEPO4; ELECTROLYTE;
LI0.5COO2; LI(NI0.8CO0.15AL0.05)O-2
AB The remarkable thermal stability of LiFePO4 and its charged counterpart, FePO4, have been instrumental in its commercialization as a lithium-ion battery cathode material. Despite the similarity in composition and structure, and despite the high thermal stability of the parent compound, LiMnPO4, we find that the delithiated phase LiyMnPO4 (which contains a small amount of residual lithium). is relatively unstable and reactive toward a lithium-ion electrolyte. The onset temperature for heat evolution in the presence of 1 M LiPF6 in 1:1 ethylene carbonate/propylene carbonate is around 150 degrees C, and the total evolved heat is 884 J g(-1), comparable to that produced under similar conditions by charged LiCoO2 electrodes. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Chen, Guoying; Richardson, Thomas J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Chen, GY (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, 1 Cyclotron Rd,MS 62-203, Berkeley, CA 94720 USA.
EM gchen@lbl.gov
FU U.S. Department of Energy [DE-AC02-05CH11231]
FX We thank Dr. John Kerr of LBNL for assistance with the DSC measurements.
This work was supported by the Assistant Secretary for Energy Efficiency
and Renewable Energy, Office of Vehicle Technologies of the U.S.
Department of Energy under contract no. DE-AC02-05CH11231.
NR 26
TC 86
Z9 89
U1 4
U2 80
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-7753
J9 J POWER SOURCES
JI J. Power Sources
PD FEB 15
PY 2010
VL 195
IS 4
SI SI
BP 1221
EP 1224
DI 10.1016/j.jpowsour.2009.08.046
PG 4
WC Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials
Science, Multidisciplinary
SC Chemistry; Electrochemistry; Energy & Fuels; Materials Science
GA 519PK
UT WOS:000271779100045
ER
PT J
AU Christophersen, JP
Shaw, SR
AF Christophersen, Jon P.
Shaw, Steven R.
TI Using radial basis functions to approximate battery differential
capacity and differential voltage
SO JOURNAL OF POWER SOURCES
LA English
DT Article
DE Differential capacity; Differential voltage; Radial basis function;
Bootstrapping; Lithium-ion
ID LITHIUM-ION CELLS; HIGH-POWER
AB As part of the Department of Energy's Advanced Technology Development Program, lithium-ion cells of various sizes and chemistries are aged with periodic reference performance tests to ascertain degradation rates. The reference tests include a very slow discharge and charge based on a constant current equal to 1/25th of the rated capacity to elucidate the true electrochemical capacity of the cell. A differential analysis of these data helps to identify the individual kinetic and thermodynamic contributions of the anode and cathode. However, differential curves are very noisy, and previous smoothing methods included simple data reduction and moving averages. This paper introduces an alternative method of finding the differential voltage and differential capacity Curves based on radial basis functions. The voltage profile is fit with a number of Gaussian Curves, and the resulting model is differentiated. This approach also has the added advantage of assessing model uncertainty based on a bootstrap analysis. The radial basis function method was successfully applied to various lithium-ion chemistries tested under the Advanced Technology Development Program. The resulting differential capacity and differential voltage curves are generally smoother than the corresponding curves found by previous methods and also show little variance, indicating a good model fit. These results imply that the radial basis function technique is a more robust tool for assessing differential data. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Christophersen, Jon P.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
[Shaw, Steven R.] Montana State Univ, Bozeman, MT 59717 USA.
RP Christophersen, JP (reprint author), Idaho Natl Lab, POB 1625, Idaho Falls, ID 83415 USA.
EM jon.christophersen@inl.gov
FU US DOE [DE-AC07-05ID14517]; NSF [0547616]
FX This work was prepared as an account of work sponsored by an agency of
the United States Government under US DOE Contract DE-AC07-05ID14517.
Funding for this work was provided by the U.S. DOE Office of Vehicle
Technologies (INL) and NSF award #0547616 (MSU). The authors gratefully
acknowledge Kevin Gering (INL) and Ira Bloom (ANL) for providing
valuable comments.
NR 14
TC 7
Z9 7
U1 3
U2 23
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-7753
J9 J POWER SOURCES
JI J. Power Sources
PD FEB 15
PY 2010
VL 195
IS 4
BP 1225
EP 1234
DI 10.1016/j.jpowsour.2009.08.094
PG 10
WC Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials
Science, Multidisciplinary
SC Chemistry; Electrochemistry; Energy & Fuels; Materials Science
GA 519PK
UT WOS:000271779100046
ER
PT J
AU Segundo, FDS
Moraes, MP
de los Santos, T
Dias, CCA
Grubman, MJ
AF Segundo, Fayna Diaz-San
Moraes, Mauro P.
de los Santos, Teresa
Dias, Camila C. A.
Grubman, Marvin J.
TI Interferon-Induced Protection against Foot-and-Mouth Disease Virus
Infection Correlates with Enhanced Tissue-Specific Innate Immune Cell
Infiltration and Interferon-Stimulated Gene Expression
SO JOURNAL OF VIROLOGY
LA English
DT Article
ID NATURAL-KILLER-CELLS; HUMAN ADENOVIRUS TYPE-5; IFN-GAMMA PRODUCTION;
TOLL-LIKE RECEPTOR; DENDRITIC CELLS; LANGERHANS CELLS; IN-VITRO;
ALPHA/BETA INTERFERON; ANTIVIRAL ACTIVITY; LYMPHOID-TISSUES
AB Previously, we demonstrated that type I interferon (IFN-alpha/beta) or a combination of IFN-alpha/beta and type II IFN (IFN-gamma) delivered by a replication-defective human adenovirus 5 (Ad5) vector protected swine when challenged 1 day later with foot-and-mouth disease virus (FMDV). To gain a more comprehensive understanding of the mechanism of protection induced by IFNs, we inoculated groups of six swine with Ad5-vectors containing these genes, challenged 1 day later and euthanized 2 animals from each group prior to (1 day postinoculation [dpi]) and at 1 (2 dpi) and 6 days postchallenge (7 dpi). Blood, skin, and lymphoid tissues were examined for IFN-stimulated gene (ISG) induction and infiltration by innate immune cells. All IFN-inoculated animals had delayed and decreased clinical signs and viremia compared to the controls, and one animal in the IFN-alpha treated group did not develop disease. At 1 and 2 dpi the groups inoculated with the IFNs had increased numbers of dendritic cells and natural killer cells in the skin and lymph nodes, respectively, as well as increased levels of several ISGs compared to the controls. In particular, all tissues examined from IFN-treated groups had significant upregulation of the chemokine 10-kDa IFN-gamma-inducible protein 10, and preferential upregulation of 2',5'-oligoadenylate synthetase, Mx1, and indoleamine 2,3-dioxygenase. There was also upregulation of monocyte chemotactic protein 1 and macrophage inflammatory protein 3 alpha in the skin. These data suggest that there is a complex interplay between IFN-induced immunomodulatory and antiviral activities in protection of swine against FMDV.
C1 [Segundo, Fayna Diaz-San; Moraes, Mauro P.; de los Santos, Teresa; Dias, Camila C. A.; Grubman, Marvin J.] ARS, Plum Isl Anim Dis Ctr, USDA, NAA, Greenport, NY 11944 USA.
[Segundo, Fayna Diaz-San; Dias, Camila C. A.] Oak Ridge Inst Sci & Educ, PIADC Res Participat Program, Oak Ridge, TN 37831 USA.
RP Grubman, MJ (reprint author), ARS, Plum Isl Anim Dis Ctr, USDA, NAA, POB 848, Greenport, NY 11944 USA.
EM marvin.grubman@ars.usda.gov
FU Oak Ridge Institute for Science and Education; CRIS
[1940-32000-053-00D]; Department of Homeland Security [60-1940-7-047]
FX This research was supported in part by the Plum Island Animal Disease
Research Participation Program administered by the Oak Ridge Institute
for Science and Education through an interagency agreement between the
U. S. Department of Energy and the U. S. Department of Agriculture
(appointment of Fayna Diaz-San Segundo and Camila C. A. Dias), by CRIS
project number 1940-32000-053-00D, ARS, USDA (M. J. Grubman and T. de
los Santos) and by reimbursable agreement 60-1940-7-047 with the
Department of Homeland Security (M. J. Grubman).; We thank Noemi
Sevilla, CISA-INIA, Valdeolmos, Madrid, Spain, for helpful discussions
and suggestions. We also thank Harry Dawson, USDA, ARS, Nutrient
Requirements and Function Laboratory, Beltsville, MD, for creating the
PIN library with the recommendations of RT- PCR conditions for measuring
swine gene expression. Finally, we thank the animal care staff at the
Plum Island Animal Disease Center for their professional support and
assistance.
NR 62
TC 14
Z9 14
U1 1
U2 4
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0022-538X
J9 J VIROL
JI J. Virol.
PD FEB 15
PY 2010
VL 84
IS 4
BP 2063
EP 2077
DI 10.1128/JVI.01874-09
PG 15
WC Virology
SC Virology
GA 546ZB
UT WOS:000273853200039
ER
PT J
AU Nelson, AJ
Laurence, TA
Conway, AM
Behymer, EM
Sturm, BW
Voss, LF
Nikolic, RJ
Payne, SA
Mertiri, A
Pabst, G
Mandal, KC
Burger, A
AF Nelson, A. J.
Laurence, T. A.
Conway, A. M.
Behymer, E. M.
Sturm, B. W.
Voss, L. F.
Nikolic, R. J.
Payne, S. A.
Mertiri, A.
Pabst, G.
Mandal, K. C.
Burger, A.
TI Spectroscopic investigation of (NH4)(2)S treated GaSeTe for radiation
detector applications
SO MATERIALS LETTERS
LA English
DT Article
DE Semiconductor; XPS; PL; Radiation detection
ID RAY PHOTOEMISSION ANALYSIS; GROWTH; GATE
AB The Surface of the layered III-VI chalcogenide semiconductor GaSeTe was treated with (NH4)(2)S at 60 degrees C to modify the surface chemistry and determine the effect on transport properties. X-ray photoelectron spectroscopy and room temperature photoluminescence were used to examine the surface reactions and effect on surface defect states of the (NH4)(2)S treatment. Metal overlayers were deposited on the (NH4)(2)S treated Surfaces and the I-V characteristics were measured. The measurements were correlated to understand the effect of (NH4)(2)S modification of the interfacial electronic structure with the goal of optimizing the metal/GaSeTe interface for radiation detector devices. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Nelson, A. J.; Laurence, T. A.; Conway, A. M.; Behymer, E. M.; Sturm, B. W.; Voss, L. F.; Nikolic, R. J.; Payne, S. A.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Mertiri, A.; Pabst, G.; Mandal, K. C.] EIC Labs Inc, Norwood, MA 02062 USA.
[Burger, A.] Fisk Univ, Nashville, TN 37208 USA.
RP Nelson, AJ (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM nelson63@llnl.gov
RI Laurence, Ted/E-4791-2011
OI Laurence, Ted/0000-0003-1474-779X
FU U.S. Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]; Department of Homeland Security, Domestic Nuclear
Detection Office [HSHQDC-07-C-00034]
FX This work was performed under the auspices of the U.S. Department of
Energy by Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344 and by the Department of Homeland Security, Domestic
Nuclear Detection Office under Contract HSHQDC-07-C-00034.
NR 12
TC 5
Z9 5
U1 1
U2 11
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0167-577X
J9 MATER LETT
JI Mater. Lett.
PD FEB 15
PY 2010
VL 64
IS 3
BP 393
EP 395
DI 10.1016/j.matlet.2009.11.027
PG 3
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA 550WS
UT WOS:000274164500049
ER
PT J
AU Aine, CJ
Bryant, JE
Knoefel, JE
Adair, JC
Hart, B
Donahue, CH
Montano, R
Hayek, R
Qualls, C
Ranken, D
Stephen, JM
AF Aine, C. J.
Bryant, J. E.
Knoefel, J. E.
Adair, J. C.
Hart, B.
Donahue, C. H.
Montano, R.
Hayek, R.
Qualls, C.
Ranken, D.
Stephen, J. M.
TI Different strategies for auditory word recognition in healthy versus
normal aging
SO NEUROIMAGE
LA English
DT Article
DE MEG; Verbal recognition; Word recognition; Normal aging; Healthy aging;
Alzheimer's disease; MCI; Brain mapping; Hypertension; White matter
hyperintensities
ID MILD COGNITIVE IMPAIRMENT; AGE-RELATED DIFFERENCES; WHITE-MATTER
LESIONS; WORKING-MEMORY DEMAND; VASCULAR RISK-FACTORS;
ALZHEIMERS-DISEASE; SOURCE LOCALIZATION; BLOOD-PRESSURE; OLDER-ADULTS;
HUMAN BRAIN
AB To explore the effects of commonly encountered pathology on auditory recognition strategies in elderly participants, magnetoencephalographic (MEG) brain activation patterns and performance were examined in 30 elderly [18 controls and 12 elderly with mild cognitive impairment (MCI) or probable Alzheimer's disease (AD)]. It was predicted that participants with known pathology would reveal different networks of brain activation, compared to healthy elderly, which should correlate with poorer performance. Participants heard a list of words representing common objects, twice. After 20 minutes a list of new and old words was presented and participants judged whether each word was heard earlier. MEG responses were analyzed using a semiautomated source modeling procedure. A cluster analysis using all subjects' MEG sources revealed three dominant patterns of activity which correlated with IQ and task performance. The highest performing group revealed activity in premotor, anterior temporal, and superior parietal lobes with little contribution from prefrontal cortex. Performance and brain activation patterns were also compared for individuals with or without abnormalities such as white matter hyperintensities and/or volume reduction evidenced on their MRIs. Memory performance and activation patterns for individuals with white matter hyperintensities resembled the group of MCI/AD patients. These results emphasize the following: (1) general pathology correlates with cognitive decline and (2) full characterization of the health of elderly participants is important in studies of normal aging since random samples from the elderly population are apt to include individuals with subclinical pathology that can affect cognitive performance. (C) 2009 Elsevier Inc. All rights reserved.
C1 [Aine, C. J.; Bryant, J. E.; Hart, B.; Donahue, C. H.; Montano, R.; Hayek, R.; Qualls, C.] 1 Univ New Mexico, Univ New Mexico, Dept Radiol, Sch Med, Albuquerque, NM 87131 USA.
[Knoefel, J. E.] Univ New Mexico, Sch Med, Dept Internal Med, Albuquerque, NM 87131 USA.
[Adair, J. C.] Univ New Mexico, Sch Med, Dept Neurol, Albuquerque, NM 87131 USA.
[Knoefel, J. E.; Adair, J. C.] New Mexico VA Hlth Care Syst, Albuquerque, NM 87108 USA.
[Ranken, D.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Stephen, J. M.] Mind Res Network, Albuquerque, NM 87106 USA.
RP Aine, CJ (reprint author), 1 Univ New Mexico, Univ New Mexico, Dept Radiol, Sch Med, MSC10-5530, Albuquerque, NM 87131 USA.
EM aine@unm.edu
RI Ranken, Douglas/J-4305-2012;
OI Donahue, Christopher/0000-0003-1574-1162; Stephen,
Julia/0000-0003-2486-747X
FU National Institute On Aging [R01 AG020302-04, R01 AG029495-01];
Department of Energy [DE-FG02-99ER62764]; Radiology Department at UNM
SOM, DHHS/NIH/NCRR/GCRC [5M01-RR-00997]; Research Service at the New
Mexico VA Health Care System
FX This work was supported by Award Number R01 AG020302-04 and R01
AG029495-01 from the National Institute On Aging. The content is solely
the responsibility of the authors and does not necessarily represent the
official views of the National Institute On Aging or the National
Institutes of Health. This work was also supported in part by the
Department of Energy under Award Number DE-FG02-99ER62764 to the Mind
Research Network, the Radiology Department at UNM SOM,
DHHS/NIH/NCRR/GCRC 5M01-RR-00997 awarded to UNM HSC, and the Research
Service at the New Mexico VA Health Care System. We thank Megan Schendel
for her help in acquiring the MEG data, Laura Lundy for her help with
neuropsychological testing, and Selma Supek for her insightful comments
on an earlier version of the manuscript.
NR 81
TC 9
Z9 9
U1 2
U2 12
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 1053-8119
J9 NEUROIMAGE
JI Neuroimage
PD FEB 15
PY 2010
VL 49
IS 4
BP 3319
EP 3330
DI 10.1016/j.neuroimage.2009.11.068
PG 12
WC Neurosciences; Neuroimaging; Radiology, Nuclear Medicine & Medical
Imaging
SC Neurosciences & Neurology; Radiology, Nuclear Medicine & Medical Imaging
GA 549OW
UT WOS:000274064500042
PM 19962439
ER
PT J
AU Ates, D
Cakmak, AO
Colak, E
Zhao, RK
Soukoulis, CM
Ozbay, E
AF Ates, Damla
Cakmak, Atilla Ozgur
Colak, Evrim
Zhao, Rongkuo
Soukoulis, C. M.
Ozbay, Ekmel
TI Transmission enhancement through deep subwavelength apertures using
connected split ring resonators
SO OPTICS EXPRESS
LA English
DT Article
ID EXTRAORDINARY OPTICAL-TRANSMISSION; SURFACE-PLASMONS; HOLE ARRAYS; LIGHT
TRANSMISSION; METALLIC GRATINGS; RESONANCES; CORRUGATIONS; SLITS; FILM
AB We report astonishingly high transmission enhancement factors through a subwavelength aperture at microwave frequencies by placing connected split ring resonators in the vicinity of the aperture. We carried out numerical simulations that are consistent with our experimental conclusions. We experimentally show higher than 70,000-fold extraordinary transmission through a deep subwavelength aperture with an electrical size of lambda/31x lambda/12 (width x length), in terms of the operational wavelength. We discuss the physical origins of the phenomenon. Our numerical results predict that even more improvements of the enhancement factors are attainable. Theoretically, the approach opens up the possibility for achieving very large enhancement factors by overcoming the physical limitations and thereby minimizes the dependence on the aperture geometries. (C) 2010 Optical Society of America
C1 [Ates, Damla; Cakmak, Atilla Ozgur; Colak, Evrim; Ozbay, Ekmel] Bilkent Univ, Nanotechnol Res Ctr NANOTAM, Dept Elect & Elect Engn, TR-06800 Ankara, Turkey.
[Zhao, Rongkuo; Soukoulis, C. M.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
[Zhao, Rongkuo; Soukoulis, C. M.] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
[Zhao, Rongkuo] Beijing Normal Univ, Dept Phys, Appl Opt Beijing Area Major Lab, Beijing 100875, Peoples R China.
[Soukoulis, C. M.] Univ Crete, FORTH, Inst Elect Struct & Laser, Khania, Greece.
[Soukoulis, C. M.] Univ Crete, Dept Mat Sci & Technol, Khania, Greece.
[Ozbay, Ekmel] Bilkent Univ, Dept Phys, TR-06800 Ankara, Turkey.
RP Ates, D (reprint author), Bilkent Univ, Nanotechnol Res Ctr NANOTAM, Dept Elect & Elect Engn, TR-06800 Ankara, Turkey.
EM damla@ee.bilkent.edu.tr
RI Zhao, Rongkuo/B-5731-2008; Soukoulis, Costas/A-5295-2008; Colak,
Evrim/K-5405-2015
OI Colak, Evrim/0000-0002-4961-5060
FU European Union [107A004, 107A012]; Turkish Academy of Sciences;
Department of Energy Basic Energy Science [DE-ACD2-07CH11358]; China
Scholarship Council (CSC)
FX This work is supported by the European Union under the projects
EU-PHOME, and EU-ECONAM, and TUBITAK under Project Nos., 107A004, and
107A012. One of the authors (E.O.) also acknowledges partial support
from the Turkish Academy of Sciences. Work at Ames Laboratory was
supported by the Department of Energy Basic Energy Science under
Contract No. DE-ACD2-07CH11358. The author (R.Z.) specially acknowledges
the China Scholarship Council (CSC) for the financial support.
NR 44
TC 13
Z9 13
U1 0
U2 11
PU OPTICAL SOC AMER
PI WASHINGTON
PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA
SN 1094-4087
J9 OPT EXPRESS
JI Opt. Express
PD FEB 15
PY 2010
VL 18
IS 4
BP 3952
EP 3966
DI 10.1364/OE.18.003952
PG 15
WC Optics
SC Optics
GA 559BV
UT WOS:000274795700080
PM 20389408
ER
PT J
AU Sales, BC
McGuire, MA
Sefat, AS
Mandrus, D
AF Sales, B. C.
McGuire, M. A.
Sefat, A. S.
Mandrus, D.
TI A semimetal model of the normal state magnetic susceptibility and
transport properties of Ba(Fe1-xCox)(2)As-2
SO PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
LA English
DT Article
DE Iron-based superconductors; Normal state properties; Phenomenological
model; BaFe2As2; Co-doping
ID LAYERED QUATERNARY COMPOUND; ELECTRONIC-STRUCTURE; SUPERCONDUCTIVITY;
FESI
AB A simple two-band 3D model of a semimetal is constructed to determine which normal state features of the Ba(Fe1-xCox)(2)As-2 superconductors can be qualitatively understood within this framework The model is able to account in a semiquantitative fashion for the measured magnetic susceptibility, Hall, and See-beck data, and the low temperature Sommerfeld coefficient for 0 < x < 0 3 with only three parameters for all x. The purpose of the model is not to fit the data but to provide a simple starting point for thinking about the physics of these interesting materials Although many of the static magnetic properties, such as the increase of the magnetic susceptibility with temperature, are reproduced by the model, none of the spin-fluctuation dynamics are addressed A general conclusion from the model is that the magnetic susceptibility of most semimetals should increase with temperatures (C) 2010 Elsevier B.V. All rights reserved
C1 [Sales, B. C.; McGuire, M. A.; Sefat, A. S.; Mandrus, D.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP Sales, BC (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RI McGuire, Michael/B-5453-2009; Mandrus, David/H-3090-2014; Sefat,
Athena/R-5457-2016
OI McGuire, Michael/0000-0003-1762-9406; Sefat, Athena/0000-0002-5596-3504
FU Division of Materials Sciences and Engineering, Office of Basic Energy
Sciences
FX It is a pleasure to acknowledge useful discussions with David Singh and
David Johnston. Research sponsored by the Division of Materials Sciences
and Engineering, Office of Basic Energy Sciences. Part of this research
was performed by Eugene P. Wigner Fellows at ORNL.
NR 42
TC 23
Z9 23
U1 3
U2 22
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0921-4534
J9 PHYSICA C
JI Physica C
PD FEB 15
PY 2010
VL 470
IS 4
BP 304
EP 308
DI 10.1016/j.physc.2010.01.043
PG 5
WC Physics, Applied
SC Physics
GA 576LG
UT WOS:000276145300010
ER
PT J
AU Ahmed, Z
Akerib, DS
Arrenberg, S
Bailey, CN
Balakishiyeva, D
Baudis, L
Bauer, DA
Beaty, J
Brink, PL
Bruch, T
Bunker, R
Cabrera, B
Caldwell, DO
Cooley, J
Cushman, P
DeJongh, F
Dragowsky, MR
Duong, L
Figueroa-Feliciano, E
Filippini, J
Fritts, M
Golwala, SR
Grant, DR
Hall, J
Hennings-Yeomans, R
Hertel, S
Holmgren, D
Hsu, L
Huber, ME
Kamaev, O
Kiveni, M
Kos, M
Leman, SW
Mahapatra, R
Mandic, V
Moore, D
McCarthy, KA
Mirabolfathi, N
Nelson, H
Ogburn, RW
Pyle, M
Qiu, X
Ramberg, E
Rau, W
Reisetter, A
Saab, T
Sadoulet, B
Sander, J
Schnee, RW
Seitz, DN
Serfass, B
Sundqvist, KM
Wang, G
Wikus, P
Yellin, S
Yoo, J
Young, BA
AF Ahmed, Z.
Akerib, D. S.
Arrenberg, S.
Bailey, C. N.
Balakishiyeva, D.
Baudis, L.
Bauer, D. A.
Beaty, J.
Brink, P. L.
Bruch, T.
Bunker, R.
Cabrera, B.
Caldwell, D. O.
Cooley, J.
Cushman, P.
DeJongh, F.
Dragowsky, M. R.
Duong, L.
Figueroa-Feliciano, E.
Filippini, J.
Fritts, M.
Golwala, S. R.
Grant, D. R.
Hall, J.
Hennings-Yeomans, R.
Hertel, S.
Holmgren, D.
Hsu, L.
Huber, M. E.
Kamaev, O.
Kiveni, M.
Kos, M.
Leman, S. W.
Mahapatra, R.
Mandic, V.
Moore, D.
McCarthy, K. A.
Mirabolfathi, N.
Nelson, H.
Ogburn, R. W.
Pyle, M.
Qiu, X.
Ramberg, E.
Rau, W.
Reisetter, A.
Saab, T.
Sadoulet, B.
Sander, J.
Schnee, R. W.
Seitz, D. N.
Serfass, B.
Sundqvist, K. M.
Wang, G.
Wikus, P.
Yellin, S.
Yoo, J.
Young, B. A.
CA CDMS Collaboration
TI Analysis of the low-energy electron-recoil spectrum of the CDMS
experiment
SO PHYSICAL REVIEW D
LA English
DT Article
ID DARK-MATTER; DAMA/LIBRA
AB We report on the analysis of the low-energy electron-recoil spectrum from the CDMS II experiment using data with an exposure of 443.2 kg-days. The analysis provides details on the observed counting rate and possible background sources in the energy range of 2-8.5 keV. We find no significant excess of a peaked contribution to the total counting rate above the background model, and compare this observation to the recent DAMA results. In the framework of a conversion of a dark matter particle into electromagnetic energy, our 90% confidence level upper limit of 0: 246 events/kg/day at 3.15 keV is lower than the total rate above background observed by DAMA. In absence of any specific particle physics model to provide the scaling in cross section between NaI and Ge, we assume a Z(2) scaling. With this assumption the observed rate in DAMA remains higher than the upper limit in CDMS. Under the conservative assumption that the modulation amplitude is 6% of the total rate we obtain upper limits on the modulation amplitude a factor of similar to 2 lower than observed by DAMA, constraining some possible interpretations of this modulation.
C1 [Ahmed, Z.; Filippini, J.; Golwala, S. R.; Moore, D.; Ogburn, R. W.; Wang, G.] CALTECH, Dept Phys, Pasadena, CA 91125 USA.
[Akerib, D. S.; Bailey, C. N.; Dragowsky, M. R.; Grant, D. R.; Hennings-Yeomans, R.] Case Western Reserve Univ, Dept Phys, Cleveland, OH 44106 USA.
[Bauer, D. A.; DeJongh, F.; Hall, J.; Holmgren, D.; Hsu, L.; Ramberg, E.; Yoo, J.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Sadoulet, B.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Figueroa-Feliciano, E.; Hertel, S.; Leman, S. W.; McCarthy, K. A.; Wikus, P.] MIT, Dept Phys, Cambridge, MA 02139 USA.
[Rau, W.] Queens Univ, Dept Phys, Kingston, ON K7L 3N6, Canada.
[Reisetter, A.] St Olaf Coll, Dept Phys, Northfield, MN 55057 USA.
[Young, B. A.] Santa Clara Univ, Dept Phys, Santa Clara, CA 95053 USA.
[Brink, P. L.; Cabrera, B.; Cooley, J.; Ogburn, R. W.; Pyle, M.; Yellin, S.] Stanford Univ, Dept Phys, Stanford, CA 94305 USA.
[Kiveni, M.; Kos, M.; Schnee, R. W.] Syracuse Univ, Dept Phys, Syracuse, NY 13244 USA.
[Mahapatra, R.] Texas A&M Univ, Dept Phys, College Stn, TX USA.
[Filippini, J.; Mirabolfathi, N.; Sadoulet, B.; Seitz, D. N.; Serfass, B.; Sundqvist, K. M.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Bunker, R.; Caldwell, D. O.; Nelson, H.; Sander, J.; Yellin, S.] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA.
[Huber, M. E.] Univ Colorado Denver, Dept Phys, Denver, CO 80217 USA.
[Huber, M. E.] Univ Colorado Denver, Dept Elec Engr, Denver, CO 80217 USA.
[Balakishiyeva, D.; Saab, T.] Univ Florida, Dept Phys, Gainesville, FL 32611 USA.
[Beaty, J.; Cushman, P.; Duong, L.; Fritts, M.; Kamaev, O.; Mandic, V.; Qiu, X.; Reisetter, A.] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA.
RP Ahmed, Z (reprint author), CALTECH, Dept Phys, Pasadena, CA 91125 USA.
RI Bailey, Catherine/C-6107-2009; Huber, Martin/B-3354-2011; Qiu,
Xinjie/C-6164-2012; Hall, Jeter/F-6108-2013; Hall, Jeter/E-9294-2015;
Yoo, Jonghee/K-8394-2016; Pyle, Matt/E-7348-2015;
OI Pyle, Matt/0000-0002-3490-6754; Holmgren, Donald/0000-0001-6701-7737;
Baudis, Laura/0000-0003-4710-1768
FU National Science Foundation [AST-9978911, PHY-0542066, PHY-0503729,
PHY-0503629, PHY-0503641, PHY-0504224, PHY-0705052, PHY-0801536,
PHY-0801708, PHY-0801712, PHY-0802575]; Department of Energy
[DE-AC03-76SF00098, DE-FG02-91ER40688, DE-FG02-92ER40701,
DE-FG03-90ER40569, DE-FG03-91ER40618]; Swiss National Foundation (SNF)
[20-118119]; NSERC Canada [SAPIN 341314-07]
FX This work is supported in part by the National Science Foundation (Grant
Nos. AST-9978911, PHY-0542066, PHY-0503729, PHY-0503629, PHY-0503641,
PHY-0504224, PHY-0705052, PHY-0801536, PHY-0801708, PHY-0801712 and
PHY-0802575), by the Department of Energy (Contracts DE-AC03-76SF00098,
DE-FG02-91ER40688, DE-FG02-92ER40701, DE-FG03-90ER40569, and
DE-FG03-91ER40618), by the Swiss National Foundation (SNF Grant No.
20-118119), and by NSERC Canada (Grant SAPIN 341314-07).
NR 25
TC 22
Z9 22
U1 0
U2 2
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1550-7998
J9 PHYS REV D
JI Phys. Rev. D
PD FEB 15
PY 2010
VL 81
IS 4
AR 042002
DI 10.1103/PhysRevD.81.042002
PG 5
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 573HA
UT WOS:000275898500006
ER
PT J
AU Belikov, AV
Hooper, D
AF Belikov, Alexander V.
Hooper, Dan
TI Contribution of inverse Compton scattering to the diffuse extragalactic
gamma-ray background from annihilating dark matter
SO PHYSICAL REVIEW D
LA English
DT Article
ID STATISTICS; EVOLUTION; BLAZARS
AB In addition to gamma rays, dark matter annihilation products can include energetic electrons which inverse Compton scatter with the cosmic microwave background to produce a diffuse extragalactic background of gamma rays and x rays. In models in which the dark matter particles annihilate primarily to electrons or muons, the measurements of EGRET and COMPTEL can provide significant constraints on the annihilation cross section. The Fermi gamma-ray space telescope will likely provide an even more stringent test of such scenarios.
C1 [Belikov, Alexander V.] Univ Chicago, Dept Phys, Chicago, IL 60637 USA.
[Hooper, Dan] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA.
[Hooper, Dan] Fermilab Natl Accelerator Lab, Ctr Particle Astrophys, Batavia, IL 60510 USA.
RP Belikov, AV (reprint author), Univ Chicago, Dept Phys, Chicago, IL 60637 USA.
OI Belikov, Alexander/0000-0002-5649-0913
FU U.S. Department of Energy [DE-FG02-95ER40896]; NASA [NAG5-10842]
FX This work has been supported by the U.S. Department of Energy, including
Grant No. DE-FG02-95ER40896, and by NASA Grant No. NAG5-10842.
NR 55
TC 25
Z9 25
U1 0
U2 0
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1550-7998
J9 PHYS REV D
JI Phys. Rev. D
PD FEB 15
PY 2010
VL 81
IS 4
AR 043505
DI 10.1103/PhysRevD.81.043505
PG 7
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 573HA
UT WOS:000275898500019
ER
PT J
AU Kratochvil, JM
Haiman, Z
May, M
AF Kratochvil, Jan M.
Haiman, Zoltan
May, Morgan
TI Probing cosmology with weak lensing peak counts
SO PHYSICAL REVIEW D
LA English
DT Article
ID LARGE-SCALE STRUCTURE; MICROWAVE BACKGROUND ANISOTROPIES; CLUSTER
SURVEYS; POWER SPECTRUM; COSMIC SHEAR; DARK ENERGY; TOMOGRAPHY;
STATISTICS; PARAMETERS; MODELS
AB We propose counting peaks in weak lensing (WL) maps, as a function of their height, to probe models of dark energy and to constrain cosmological parameters. Because peaks can be identified in two-dimensional WL maps directly, they can provide constraints that are free from potential selection effects and biases involved in identifying and determining the masses of galaxy clusters. As a pilot study, we have run cosmological N-body simulations to produce WL convergence maps in three models with different constant values of the dark energy equation-of-state parameter, w = -0.8, -1, and -1.2, with a fixed normalization of the primordial power spectrum (corresponding to present-day normalizations of sigma(8) = 0.742, 0.798, and 0.839, respectively). By comparing the number of WL peaks in eight convergence bins in the range of -0.1 < kappa < 0.4, in multiple realizations of a single simulated 3 x 3 degree field, we show that the first (last) pair of models differ at the 95% (85%) confidence level. A survey with depth and area comparable to those expected from the Large Synoptic Survey Telescope should have a factor of approximate to 50 better parameter sensitivity. These results warrant further investigation, in order to assess the constraints available when marginalization over other uncertain parameters is included, and with the specifications of a realistic survey folded into the analysis. Here we find that relatively low-amplitude peaks (kappa similar to 0.03), which typically do not correspond to a single collapsed halo along the line of sight, account for most of the parameter sensitivity. We study a range of smoothing scales and source galaxy redshifts (z(s)). With a fixed source galaxy density of 15 arcmin(-2), the best results are provided by the smallest scale we can reliably simulate, 1 arcmin, and z(s) = 2 provides substantially better sensitivity than z(s) <= 1.5.
C1 [Kratochvil, Jan M.; Haiman, Zoltan] Columbia Univ, ISCAP, New York, NY 10027 USA.
[Haiman, Zoltan] Columbia Univ, Dept Astron, New York, NY 10027 USA.
[May, Morgan] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
RP Kratochvil, JM (reprint author), Columbia Univ, ISCAP, New York, NY 10027 USA.
FU ISCAP; Columbia Academic Quality Fund; Hungarian National Office for
Research and Technology (NKTH); NSF [AST-05-07161]; U.S. Department of
Energy [DE-AC02-98CH10886]; Initiatives in Science and Engineering (ISE)
program at Columbia University
FX We would like express our deep thanks to Lam Hui for numerous helpful
discussions, and to Greg Bryan, Francesco Pace, and Matthias Bartelmann
and his group for invaluable help during code development. We are also
grateful to Christof Wetterich for kindly supporting an extended visit
by J. K. at the University of Heidelberg. We also thank Puneet Batra,
Wenjuan Fang, Eugene Lim, and Sarah Shandera for useful discussions
about statistics, CAMB, and lensing, and Volker Springel for his help
with GADGET-2 and for providing us with his parallelized initial
conditions generator. J. K. is supported by ISCAP and the Columbia
Academic Quality Fund. This work was supported in part by the Polanyi
Program of the Hungarian National Office for Research and Technology
(NKTH), by NSF Grant No. AST-05-07161, by the U.S. Department of Energy
under Contract No. DE-AC02-98CH10886, and by the Initiatives in Science
and Engineering (ISE) program at Columbia University. The computational
work for this paper was performed at the LSST Cluster at Brookhaven
National Laboratory and with the NSF TeraGrid advanced computing
resources provided by NCSA.
NR 54
TC 49
Z9 50
U1 0
U2 0
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 2470-0010
EI 2470-0029
J9 PHYS REV D
JI Phys. Rev. D
PD FEB 15
PY 2010
VL 81
IS 4
AR 043519
DI 10.1103/PhysRevD.81.043519
PG 16
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 573HA
UT WOS:000275898500033
ER
PT J
AU Mandal, SK
Buckley, MR
Freese, K
Spolyar, D
Murayama, H
AF Mandal, Sourav K.
Buckley, Matthew R.
Freese, Katherine
Spolyar, Douglas
Murayama, Hitoshi
TI Cascade events at IceCube plus DeepCore as a definitive constraint on
the dark matter interpretation of the PAMELA and Fermi anomalies
SO PHYSICAL REVIEW D
LA English
DT Article
ID NEUTRINO TELESCOPES; GALACTIC HALO; GAMMA-RAYS; ANNIHILATIONS; POSITRON;
CANDIDATES; RADIATION; ELECTRONS; ENERGIES; DENSITY
AB Dark matter decaying or annihilating into mu(+)mu(-) or tau(+)tau(-) has been proposed as an explanation for the e(+/-) anomalies reported by PAMELA and Fermi. Recent analyses show that IceCube, supplemented by DeepCore, will be able to significantly constrain the parameter space of decays to mu(+)mu(-), and rule out decays to tau(+)tau(-) and annihilations to mu(+)mu(-) in less than five years of running. These analyses rely on measuring tracklike events in IceCube + DeepCore from down-going nu(mu). In this paper we show that by instead measuring cascade events, which are induced by all neutrino flavors, IceCube + DeepCore can rule out decays to mu(+)mu(-) in only three years of running, and rule out decays to tau(+)tau(-) and annihilation to mu(+)mu(-) in only one year of running. These constraints are highly robust to the choice of dark matter halo profile and independent of dark matter-nucleon crosssection.
C1 [Mandal, Sourav K.; Murayama, Hitoshi] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Mandal, Sourav K.; Murayama, Hitoshi] Univ Tokyo, IPMU, Kashiwa, Chiba 2778568, Japan.
[Buckley, Matthew R.] CALTECH, Dept Phys, Pasadena, CA 91125 USA.
[Freese, Katherine] Univ Michigan, Dept Phys, Michigan Ctr Theoret Phys, Ann Arbor, MI 48109 USA.
[Spolyar, Douglas] Fermilab Natl Accelerator Lab, Ctr Particle Astrophys, Batavia, IL 60510 USA.
[Spolyar, Douglas] Univ Calif Santa Cruz, Dept Phys, Santa Cruz, CA 95064 USA.
[Murayama, Hitoshi] LBNL, Theoret Phys Grp, Berkeley, CA 94720 USA.
RP Mandal, SK (reprint author), Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
RI Murayama, Hitoshi/A-4286-2011;
OI Buckley, Matthew/0000-0003-1109-3460
FU MEXT, Japan; U.S. Department of Energy [DE-FG03-92ER40701,
DE-AC03-76SF00098]; MCTP via the University of Michigan; NSF
[AST-0507117, PHY-04-57315]; GAANN
FX The authors would like to thank D. Grant, D. J. Koskinen, and I. Taboada
for answering questions about DeepCore. S. K. M. is supported by World
Premier International Research Center Initiative (WPI Initiative), MEXT,
Japan, and would also like to thank G. Lambard for useful discussions.
M. R. B. is supported by the U.S. Department of Energy, under Grant No.
DE-FG03-92ER40701. K. F. is supported by the U.S. Department of Energy
and MCTP via the University of Michigan. D. S. is supported by NSF Grant
No. AST-0507117 and GAANN (D. S.). H. M. is supported in part by World
Premier International Research Center Initiative (WPI Initiative), MEXT,
Japan, in part by the U.S. DOE under Contract No. DE-AC03-76SF00098, and
in part by the NSF under Grant No. PHY-04-57315.
NR 82
TC 27
Z9 27
U1 0
U2 1
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1550-7998
J9 PHYS REV D
JI Phys. Rev. D
PD FEB 15
PY 2010
VL 81
IS 4
AR 043508
DI 10.1103/PhysRevD.81.043508
PG 7
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 573HA
UT WOS:000275898500022
ER
PT J
AU Samsing, J
Linder, EV
AF Samsing, Johan
Linder, Eric V.
TI Generating and analyzing constrained dark energy equations of state and
systematics functions
SO PHYSICAL REVIEW D
LA English
DT Article
ID IA SUPERNOVAE; UNCERTAINTIES; CALIBRATION; PARAMETERS; TELESCOPE;
COSMOLOGY; GALAXIES; DUST
AB Some functions entering cosmological analysis, such as the dark energy equation of state or systematic uncertainties, are unknown functions of redshift. To include them without assuming a particular form, we derive an efficient method for generating realizations of all possible functions subject to certain bounds or physical conditions, e. g. w is an element of [-1, +1] as for quintessence. The method is optimal in the sense that it is both pure and complete in filling the allowed space of principal components. The technique is applied to propagation of systematic uncertainties in supernova population drift and dust corrections and calibration through to cosmology parameter estimation and bias in the magnitude-redshift Hubble diagram. We identify specific ranges of redshift and wavelength bands where the greatest improvements in supernova systematics due to population evolution and dust correction can be achieved.
C1 [Samsing, Johan] Univ Copenhagen, Niels Bohr Inst, Dark Cosmol Ctr, DK-2100 Copenhagen, Denmark.
[Linder, Eric V.] Berkeley Lab, Berkeley, CA 94720 USA.
[Linder, Eric V.] Univ Calif Berkeley, Berkeley, CA 94720 USA.
[Linder, Eric V.] Ewha Womans Univ, Inst Early Universe, Seoul, South Korea.
RP Samsing, J (reprint author), Univ Copenhagen, Niels Bohr Inst, Dark Cosmol Ctr, Blegdamsvej 17, DK-2100 Copenhagen, Denmark.
FU OTICON; Dark Cosmology Centre; Director, Office of Science, Office of
High Energy Physics, of the U.S. Department of Energy
[DE-AC02-05CH11231]
FX We are grateful for useful discussions with Marina Cortes, Alex Kim,
Saul Perlmutter, and especially Roland de Putter. J. S. acknowledges
support from the OTICON Fund and Dark Cosmology Centre, and thanks the
Berkeley Center for Cosmological Physics and the Berkeley Lab for
hospitality during his stay. This work has been supported in part by the
Director, Office of Science, Office of High Energy Physics, of the U.S.
Department of Energy under Contract No. DE-AC02-05CH11231.
NR 32
TC 5
Z9 5
U1 0
U2 0
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 1550-7998
J9 PHYS REV D
JI Phys. Rev. D
PD FEB 15
PY 2010
VL 81
IS 4
AR 043533
DI 10.1103/PhysRevD.81.043533
PG 13
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 573HA
UT WOS:000275898500047
ER
PT J
AU Ahn, C
Kim, C
Linder, EV
AF Ahn, Changrim
Kim, Chanju
Linder, Eric V.
TI Cosmological constant behavior in DBI theory
SO PHYSICS LETTERS B
LA English
DT Article
ID SCALAR FIELD; POTENTIALS; SUPERNOVAE
AB Cosmological constant behavior can be realized as solutions of the Dirac-Born-Infeld (DBI) action within Type IIB string theory and the AdS/CFT correspondence. We derive a family of attractor solutions to the cosmological constant that arise purely from the "relativistic" nature of the DBI action without an explicit false vacuum energy. We also find attractor solutions with values of the equation of state near but with w not equal -1: the forms for the potential arising from flux interactions are renormalizable and natural, and the D3-brane tension can be given by the standard throat form. We discuss present and future observational constraints on the theory. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Ahn, Changrim; Kim, Chanju; Linder, Eric V.] Ewha Womans Univ, Inst Early Univ, Seoul 120750, South Korea.
[Ahn, Changrim; Kim, Chanju; Linder, Eric V.] Ewha Womans Univ, Dept Phys, Seoul 120750, South Korea.
[Kim, Chanju] Korea Inst Adv Study, Seoul 130722, South Korea.
[Linder, Eric V.] Univ Calif Berkeley, Berkeley Ctr Cosmol Phys, Berkeley, CA 94720 USA.
[Linder, Eric V.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Kim, C (reprint author), Ewha Womans Univ, Inst Early Univ, Seoul 120750, South Korea.
EM cjkim@ewha.ac.kr
FU World Class University [R32-2008-000-10130-0]; MEST through CQUeST
[2005-0049409]; Director, Office of Science, Office of High Energy
Physics, of the US Department of Energy [DE-AC02-05CH11231]
FX This work has been supported by the World Class University grant
R32-2008-000-10130-0. C.K. has been supported in part by the NRF grant
funded by MEST through CQUeST with grant No. 2005-0049409. E.L. has been
supported in part by the Director, Office of Science, Office of High
Energy Physics, of the US Department of Energy under Contract No.
DE-AC02-05CH11231.
NR 14
TC 10
Z9 10
U1 0
U2 2
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0370-2693
J9 PHYS LETT B
JI Phys. Lett. B
PD FEB 15
PY 2010
VL 684
IS 4-5
BP 181
EP 184
DI 10.1016/j.physletb.2009.12.069
PG 4
WC Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 561WA
UT WOS:000275009600002
ER
PT J
AU Zhang, S
Chen, JH
Crawford, H
Keane, D
Ma, YG
Xu, ZB
AF Zhang, S.
Chen, J. H.
Crawford, H.
Keane, D.
Ma, Y. G.
Xu, Z. B.
TI Searching for onset of deconfinement via hypernuclei and
baryon-strangeness correlations
SO PHYSICS LETTERS B
LA English
DT Article
DE Onset of deconfinement; Baryon-strangeness correlation; Strangeness
population factor; Hypernucleus
ID HEAVY-ION COLLISIONS; QUARK-GLUON PLASMA; NUCLEAR COLLISIONS;
COALESCENCE; MODEL; FLOW; COLLABORATION; PERSPECTIVE; STATE
AB We argue that the ratio S-3 = H-3(Lambda)/(He-3 x Lambda/p) is a good representation of the local correlation between baryon number and strangeness, and therefore is a valuable tool to probe the nature of the dense matter created in high energy heavy-ion collisions: quark gluon plasma or hadron gas. A multiphase transport model (AMPT) plus a dynamical coalescence model is used to elucidate our arguments. We find that AMPT with string melting predicts an increase of S-3 with increasing beam energy, and is consistent with experimental data, while AMPT with only hadronic scattering results in a low S-3 throughout the energy range from AGS to RHIC, and fails to describe the experimental data. Published by Elsevier B.V.
C1 [Chen, J. H.; Keane, D.] Kent State Univ, Kent, OH 44242 USA.
[Zhang, S.; Ma, Y. G.] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
[Crawford, H.] Univ Calif Berkeley, Berkeley, CA 94720 USA.
[Xu, Z. B.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Xu, Z. B.] Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China.
RP Chen, JH (reprint author), Kent State Univ, Kent, OH 44242 USA.
EM jhchen@rcf.rhic.bnl.gov
RI Ma, Yu-Gang/M-8122-2013
OI Ma, Yu-Gang/0000-0002-0233-9900
FU Office of Nuclear Physics, US Department of Energy [DE-AC02-98CH10886,
DEFG02-89ER40531]; NNSF of China [10610285, 10610286, 10905085]; Chinese
Academy of Science [KJCX2-YW-A14, KJCX3-SYW-N2]; PECASE
FX We are grateful for discussions with Prof. H. Huang, Prof. C.M. Ko,
Prof. B. Muller, Dr. V. Koch, Dr. Z.B. Tang and H. Qiu. This work is
supported in part by the Office of Nuclear Physics, US Department of
Energy under Grants DE-AC02-98CH10886 and DEFG02-89ER40531, and in part
by the NNSF of China under Grants 10610285, 10610286, 10905085 and
Chinese Academy of Science under Grants KJCX2-YW-A14 and KJCX3-SYW-N2.
Z.B. Xu is supported in part by the PECASE Award.
NR 40
TC 29
Z9 29
U1 0
U2 2
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0370-2693
J9 PHYS LETT B
JI Phys. Lett. B
PD FEB 15
PY 2010
VL 684
IS 4-5
BP 224
EP 227
DI 10.1016/j.physletb.2010.01.034
PG 4
WC Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 561WA
UT WOS:000275009600010
ER
PT J
AU Max, N
Hu, CC
Kreylos, O
Crivelli, S
AF Max, Nelson
Hu, ChengCheng
Kreylos, Oliver
Crivelli, Silvia
TI BuildBeta-A system for automatically constructing beta sheets
SO PROTEINS-STRUCTURE FUNCTION AND BIOINFORMATICS
LA English
DT Article
DE sample conformation space; ab initio protein structure prediction;
combinatorial method
ID PROTEIN-STRUCTURE PREDICTION; BARRELS; TASSER; CASP7
AB We describe a method that can thoroughly sample a protein conformational space given the protein primary sequence of amino acids and secondary structure predictions. Specifically, we target proteins with beta-sheets because they are particularly challenging for ab initio protein structure prediction because of the complexity of sampling long-range strand pairings. Using some basic packing principles, inverse kinematics (IK), and beta-pairing scores, this method creates all possible beta-sheet arrangements including those that have the correct packing of beta-strands. It uses the IK algorithms of Protein-Shop to move alpha-helices and beta-strands as rigid bodies by rotating the dihedral angles in the coil regions. Our results show that our approach produces structures that are within 4-6 angstrom RMSD of the native one regardless of the protein size and beta-sheet topology although this number may increase if the protein has long loops or complex alpha-helical regions.
C1 [Max, Nelson; Hu, ChengCheng; Crivelli, Silvia] Univ Calif Berkeley, Lawrence Berkeley Lab, Computat Res Div, Berkeley, CA 94720 USA.
[Max, Nelson; Hu, ChengCheng; Kreylos, Oliver; Crivelli, Silvia] Univ Calif Davis, Dept Comp Sci, Davis, CA 95616 USA.
[Max, Nelson; Hu, ChengCheng; Kreylos, Oliver; Crivelli, Silvia] Univ Calif Davis, Inst Data Anal & Visualizat, Davis, CA 95616 USA.
RP Crivelli, S (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Computat Res Div, 1 Cyclotron Rd,M-S 50F, Berkeley, CA 94720 USA.
EM sncrivelli@lbl.gov
FU U.S. Department of Energy [DE-AC02-05CH11231]
FX Grant sponsor: U.S. Department of Energy [Director, Office of Advanced
Scientific Computing Research, Office Of Science through the Scientific
Discovery through Advanced Computing (SciDAC) program's Visualization
and Analytics Center for Enabling Technologies (VACET)]; Grant number:
DE-AC02-05CH11231.
NR 29
TC 3
Z9 3
U1 0
U2 4
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0887-3585
J9 PROTEINS
JI Proteins
PD FEB 15
PY 2010
VL 78
IS 3
BP 559
EP 574
DI 10.1002/prot.22578
PG 16
WC Biochemistry & Molecular Biology; Biophysics
SC Biochemistry & Molecular Biology; Biophysics
GA 547XR
UT WOS:000273923700006
PM 19768785
ER
PT J
AU Rodriguez, JA
Hrbek, J
AF Rodriguez, Jose A.
Hrbek, Jan
TI Inverse oxide/metal catalysts: A versatile approach for activity tests
and mechanistic studies
SO SURFACE SCIENCE
LA English
DT Article
DE Oxides; Metals; Surface reactions; Catalysis; Water-gas shift reaction
ID GAS SHIFT REACTION; CERIUM OXIDE-FILMS; THERMAL-PROPERTIES; MODEL
CATALYST; METAL-OXIDE; WATER; SURFACES; NANOPARTICLES; CU(111); STM
AB There is a general desire to improve the configuration of industrial catalysts to take advantage of the intrinsic properties of metal oxides. In recent years, a series of studies has been published examining the growth of oxide nanoparticles on metal substrates. These studies have revealed structures for the supported oxide which are different from those found in bulk phases. In addition, the oxide - metal interactions can alter the electronic states of the oxide producing new chemical properties. On an inverse oxide/metal catalyst, the reactants can interact with defect sites of the oxide nanoparticles, metal sites, and the metal-oxide interface. in these systems, one can couple the special reactivity of the oxide nanoparticles to the reactivity of the metal to obtain high catalytic activity. Furthermore, an oxide/metal system is also an attractive model for fundamental studies. It can be used to investigate the role of the oxide in a catalytic process, and how the stability of different reaction intermediates depends on the nature of the oxide. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Rodriguez, Jose A.; Hrbek, Jan] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
RP Rodriguez, JA (reprint author), Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
EM rodrigez@bnl.gov
RI Hrbek, Jan/I-1020-2013
FU US Department of Energy [DE-AC02-98CH10886]
FX The authors are thankful to the US Department of Energy (Chemical
Sciences Division, DE-AC02-98CH10886 Grant) for financial support. Many
thanks to P. Liu, J. Evans, and M. Perez for thought provoking
conversions about the behavior of inverse oxide/metal catalysts.
NR 49
TC 64
Z9 64
U1 7
U2 74
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0039-6028
EI 1879-2758
J9 SURF SCI
JI Surf. Sci.
PD FEB 15
PY 2010
VL 604
IS 3-4
BP 241
EP 244
DI 10.1016/j.susc.2009.11.038
PG 4
WC Chemistry, Physical; Physics, Condensed Matter
SC Chemistry; Physics
GA 561LP
UT WOS:000274979000001
ER
PT J
AU Tal, TL
Simmons, SO
Silbajoris, R
Dailey, L
Cho, SH
Ramabhadran, R
Linak, W
Reed, W
Bromberg, PA
Samet, JM
AF Tal, Tamara L.
Simmons, Steven O.
Silbajoris, Robert
Dailey, Lisa
Cho, Seung-Hyun
Ramabhadran, Ram
Linak, William
Reed, William
Bromberg, Philip A.
Samet, James M.
TI Differential transcriptional regulation of IL-8 expression by human
airway epithelial cells exposed to diesel exhaust particles
SO TOXICOLOGY AND APPLIED PHARMACOLOGY
LA English
DT Article
DE Diesel exhaust particle; IL-8; NFkB; AP-1; Transcriptional regulation;
Airway epithelial cells
ID GROWTH-FACTOR RECEPTOR; NF-KAPPA-B; INDUCE OXIDATIVE STRESS; PARTICULATE
MATTER; MYOCARDIAL-INFARCTION; PULMONARY TOXICITY; POLLUTION PARTICLE;
IN-VITRO; ACTIVATION; INTERLEUKIN-8
AB Exposure to diesel exhaust particles (DEP) induces inflammatory signaling characterized by MAP kinase-mediated activation of NFkB and AP-1 in vitro and in bronchial biopsies obtained from human subjects exposed to DER NFkB and AP-1 activation results in the upregulation of genes involved in promoting inflammation in airway epithelial cells, a principal target of inhaled DEP. IL-8 is a proinflammatory chemokine expressed by the airway epithelium in response to environmental pollutants. The mechanism by which DEP exposure induces IL-8 expression is not well understood. In the current study, we sought to determine whether DEP with varying organic content induces IL-8 expression in lung epithelial cells, as well as, to develop a method to rapidly evaluate the upstream mechanism(s) by which DEP induces IL-8 expression. Exposure to DEP with varying organic content differentially induced IL-8 expression and IL-8 promoter activity human airway epithelial cells. Mutational analysis of the IL-8 promoter was also performed using recombinant human cell lines expressing reporters linked to the mutated promoters. Treatment with a low organic-containing DEP stimulated IL-8 expression by a mechanism that is predominantly NFkB-dependent. In contrast, exposure to high organic-containing DEP induced IL-8 expression independently of NFkB through a mechanism that requires AP-1 activity. Our study reveals that exposure to DEP of varying organic content induces proinflammatory gene expression through multiple specific mechanisms in human airway epithelial cells. The approaches used in the present study demonstrate the utility of a promoter-reporter assay ensemble for identifying transcriptional pathways activated by pollutant exposure. Published by Elsevier Inc.
C1 [Samet, James M.] US EPA, Human Studies Div MD 58D, Natl Hlth & Environm Effects Res Lab, Chapel Hill, NC 27599 USA.
[Tal, Tamara L.; Ramabhadran, Ram; Samet, James M.] Univ N Carolina, Curriculum Toxicol, Chapel Hill, NC USA.
[Reed, William; Bromberg, Philip A.] Univ N Carolina, Ctr Environm Med Asthma & Lung Biol, Chapel Hill, NC USA.
[Cho, Seung-Hyun; Linak, William] US EPA, Air Pollut Prevent Control Div, Natl Risk Management Res Lab, Chapel Hill, NC 27599 USA.
[Cho, Seung-Hyun] Oak Ridge Inst Sci & Educ, Res Participat Program, Oak Ridge, TN USA.
RP Samet, JM (reprint author), US EPA, Human Studies Div MD 58D, Natl Hlth & Environm Effects Res Lab, 104 Mason Farm, Chapel Hill, NC 27599 USA.
EM samet.james@epa.gov
OI Simmons, Steven/0000-0001-9079-1069; Tal, Tamara/0000-0001-8365-9385
FU U.S. EPA; EPA [T829472]; [T32 ES007126]
FX We thank Melanie Jardim for helpful discussions and the critical review
of this manuscript. We are grateful to M. Ian Gilmour and David
Diaz-Sanchez for providing us with C-DEP and A-DEP, respectively. T.L.T.
is a recipient of the Curriculum in Toxicology Training Grant T32
ES007126. Fellowship support for S.H.C. from the U.S. EPA Research
Participation Program administered by ORISE is acknowledged. This
research was also supported by EPA training grant T829472.
NR 50
TC 39
Z9 40
U1 4
U2 10
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0041-008X
J9 TOXICOL APPL PHARM
JI Toxicol. Appl. Pharmacol.
PD FEB 15
PY 2010
VL 243
IS 1
BP 46
EP 54
DI 10.1016/j.taap.2009.11.011
PG 9
WC Pharmacology & Pharmacy; Toxicology
SC Pharmacology & Pharmacy; Toxicology
GA 555EB
UT WOS:000274489700006
PM 19914270
ER
PT J
AU Rodgers, JM
Webb, M
Smit, B
AF Rodgers, Jocelyn M.
Webb, Michael
Smit, Berend
TI Alcohol solubility in a lipid bilayer: Efficient grand-canonical
simulation of an interfacially active molecule
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
DE adsorption; biomedical materials; lipid bilayers; Monte Carlo methods;
solubility
ID DISSIPATIVE PARTICLE DYNAMICS; INDUCED INTERDIGITATION; CHAIN MOLECULES;
PHASE-BEHAVIOR; ETHANOL; MEMBRANES; ANESTHETICS; CHOLESTEROL;
POTENTIALS; LIPOSOMES
AB We derive a new density-biased Monte Carlo technique which preserves detailed balance and improves the convergence of grand-canonical simulations of a species with a strong preference for an interfacial region as compared to the bulk. This density-biasing technique is applied to the solubility of "alcohol" molecules in a mesoscopic model of the lipid bilayer, a system which has anesthetic implications but is poorly understood.
C1 [Rodgers, Jocelyn M.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Webb, Michael] Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA.
[Smit, Berend] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
RP Rodgers, JM (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
EM jrodgers@berkeley.edu; berend-smit@berkeley.edu
RI Smit, Berend/B-7580-2009
OI Smit, Berend/0000-0003-4653-8562
FU Lawrence Berkeley National Laboratory [DE-AC02-05CH11231]
FX This work was supported by the Laboratory Directed Research and
Development Program of Lawrence Berkeley National Laboratory under the
Department of Energy Contract No. DE-AC02-05CH11231.
NR 29
TC 5
Z9 5
U1 1
U2 14
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-9606
J9 J CHEM PHYS
JI J. Chem. Phys.
PD FEB 14
PY 2010
VL 132
IS 6
AR 064107
DI 10.1063/1.3314289
PG 10
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 555MR
UT WOS:000274516400007
PM 20151733
ER
PT J
AU Yang, M
Yang, F
Jackson, KA
Jellinek, J
AF Yang, M.
Yang, F.
Jackson, K. A.
Jellinek, J.
TI Probing the structural evolution of Cu-N-, N=9-20, through a comparison
of computed electron removal energies and experimental photoelectron
spectra
SO JOURNAL OF CHEMICAL PHYSICS
LA English
DT Article
DE atomic clusters; copper; density functional theory; isomerism;
photoelectron spectra
ID SMALL COPPER CLUSTERS; COINAGE METAL-CLUSTERS; CU-N(-) CLUSTERS; JELLIUM
MODEL; SPECTROSCOPY; GOLD; APPROXIMATION; CATALYSIS; PHYSICS; SILVER
AB Computed electron removal energies for Cu-N- clusters, N=9-20, are presented for the three lowest-energy isomers obtained from extensive, unbiased searches for the minimum energy structure at each size. The density functional theory (DFT) computations make use of a scheme introduced by Jellinek and Acioli (JA) [J. Chem. Phys. 118, 7783 (2003)] that obtains electron removal energies from DFT orbital energies using corrections based on DFT total energies. The computed removal energies are compared with the measured photoelectron spectra (PES) for Cu-N-. The patterns of computed removal energies are shown to be isomer specific for clusters in this size range. By matching the computed removal energies to the observed PES, the isomers responsible for the PES are identified. The results of the JA scheme are compared to those obtained using other DFT-based methods.
C1 [Yang, M.; Yang, F.] Sichuan Univ, W China Hosp, Inst Nanobiomed Technol, State Key Lab Biotherapy, Chengdu 610041, Peoples R China.
[Jackson, K. A.] Cent Michigan Univ, Dept Phys, Mt Pleasant, MI 48859 USA.
[Jellinek, J.] Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA.
RP Yang, M (reprint author), Sichuan Univ, W China Hosp, Inst Nanobiomed Technol, State Key Lab Biotherapy, Chengdu 610041, Peoples R China.
EM jacks1ka@cmich.edu; jellinek@anl.gov
RI Yang, Mingli/E-9983-2012
OI Yang, Mingli/0000-0001-8590-8840
FU Office of Basic Energy Sciences, Division of Chemical Sciences,
Geosciences, and Biosciences, U.S. Department of Energy
[DE-FGO2-03ER15489, DE-AC-02-06CH11357]; NSFC of China [20873088]; SRFDP
[20070610175]
FX This work was supported by the Office of Basic Energy Sciences, Division
of Chemical Sciences, Geosciences, and Biosciences, U.S. Department of
Energy under Grant No. DE-FGO2-03ER15489 (K.A.J.) and under Contract No.
DE-AC-02-06CH11357 (J.J.). M.Y. thanks NSFC (Grant No. 20873088) and
SRFDP (Grant No. 20070610175) of China.
NR 50
TC 15
Z9 16
U1 1
U2 13
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-9606
J9 J CHEM PHYS
JI J. Chem. Phys.
PD FEB 14
PY 2010
VL 132
IS 6
AR 064306
DI 10.1063/1.3300128
PG 6
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 555MR
UT WOS:000274516400016
PM 20151742
ER
PT J
AU Buijsman, MC
Kanarska, Y
McWilliams, JC
AF Buijsman, M. C.
Kanarska, Y.
McWilliams, J. C.
TI On the generation and evolution of nonlinear internal waves in the South
China Sea
SO JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
LA English
DT Article
ID OCEANIC MODELING SYSTEM; TIDAL FLOW; SOLITARY WAVES; LEE WAVES; LUZON
STRAIT; TIDES; TOPOGRAPHY; RIDGE; DISSIPATION; PROPAGATION
AB The nonhydrostatic Regional Ocean Modeling System is applied to the nonlinear internal waves, or solitons, that are generated at the Luzon ridge in the South China Sea. The Luzon ridge near the Batan islands is represented by an idealized ridge with a height of 2.6 km on a flat bottom. Model runs are performed for various ridge shapes and (a) symmetric tidal forcings. The model is in the mixed tidal lee wave regime. The barotropic tide over the ridge generates first-mode waves through the internal tide release mechanism. Westward-traveling solitons emerge from these first-mode waves through nonlinear steepening. In the internal tide release mechanism, asymmetric tides with strong eastward currents can generate strong westward solitons. The eastward current creates an elevation wave with a higher energy density west of the ridge, and as soon as the current slackens, the wave is released westward. On its backslope strong solitons develop. The energy density is further enhanced by nonlinearities, such as differences in phase speeds and energy fluxes related to lee waves. A modal and harmonic decomposition shows the generation of vertical modes and higher temporal harmonics and indicates significant wave-wave interaction (e.g., triads). In the mixed tidal lee wave regime, more energy is contained in the first mode compared to the higher modes. Hence, linear internal tide beams are less well defined and strong solitons develop.
C1 [Buijsman, M. C.; McWilliams, J. C.] Univ Calif Los Angeles, Dept Atmospher & Ocean Sci, Los Angeles, CA 90095 USA.
[Kanarska, Y.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Buijsman, MC (reprint author), Univ Calif Los Angeles, Dept Atmospher & Ocean Sci, 405 Hilgard Ave, Los Angeles, CA 90095 USA.
EM maartenbuijsman@gmail.com
FU Office of Naval Research [N00014-05-10293, N00014-08-10597]
FX The Office of Naval Research is acknowledged for supporting this
research with grants N00014-05-10293 and N00014-08-10597. The two
reviewers and Z. Zhao are thanked for their helpful comments.
NR 49
TC 66
Z9 72
U1 3
U2 30
PU AMER GEOPHYSICAL UNION
PI WASHINGTON
PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA
SN 2169-9275
EI 2169-9291
J9 J GEOPHYS RES-OCEANS
JI J. Geophys. Res.-Oceans
PD FEB 13
PY 2010
VL 115
AR C02012
DI 10.1029/2009JC005275
PG 17
WC Oceanography
SC Oceanography
GA 554VV
UT WOS:000274464400001
ER
PT J
AU Ali, M
Lipfert, J
Seifert, S
Herschlag, D
Doniach, S
AF Ali, Mona
Lipfert, Jan
Seifert, Soenke
Herschlag, Daniel
Doniach, Sebastian
TI The Ligand-Free State of the TPP Riboswitch: A Partially Folded RNA
Structure
SO JOURNAL OF MOLECULAR BIOLOGY
LA English
DT Article
DE small-angle X-ray scattering; RNA folding; RNA structure; riboswitch
ID X-RAY-SCATTERING; SMALL-ANGLE SCATTERING; BIOLOGICAL MACROMOLECULES;
GENE-REGULATION; S-ADENOSYLMETHIONINE; HAMMERHEAD RIBOZYME; SENSING
RIBOSWITCH; CRYSTAL-STRUCTURE; HAIRPIN RIBOZYME; NUCLEIC-ACIDS
AB Riboswitches are elements of mRNA that regulate gene expression by undergoing structural changes upon binding of small ligands. Although the structures of several riboswitches have been solved with their ligands bound, the ligand-free states of only a few riboswitches have been characterized. The ligand-free state is as important for the functionality of the riboswitch as the ligand-bound form, but the ligand-free state is often a partially folded structure of the RNA, with conformational heterogeneity that makes it particularly challenging to study. Here, we present models of the ligand-free state of a thiamine pyrophosphate riboswitch that are derived from a combination of complementary experimental and computational modeling approaches. We obtain a global picture of the molecule using small-angle X-ray scattering data and use an RNA structure modeling software, MC-Sym, to fit local structural details to these data on an atomic scale. We have used two different approaches to obtaining these models. Our first approach develops a model of the RNA from the structures of its constituent junction fragments in isolation. The second approach treats the RNA as a single entity, without bias from the structure of its individual constituents. We find that both approaches give similar models for the ligand-free form, but the ligand-bound models differ for the two approaches, and only the models from the second approach agree with the ligand-bound structure known previously from X-ray crystallography. Our models provide a picture of the conformational changes that may occur in the riboswitch upon binding of its ligand. Our results also demonstrate the power of combining experimental small-angle X-ray scattering data with theoretical structure prediction tools in the determination of RNA structures beyond riboswitches. (C) 2009 Elsevier Ltd. All rights reserved.
C1 [Ali, Mona; Doniach, Sebastian] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA.
[Lipfert, Jan] Delft Inst Technol, Kavli Inst Nanosci, NL-2628 CJ Delft, Netherlands.
[Seifert, Soenke] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Herschlag, Daniel] Stanford Univ, Dept Biochem, Stanford, CA 94305 USA.
RP Doniach, S (reprint author), Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA.
EM doniach@drizzle.stanford.edu
FU National Institutes of Health [PO1 GM0066275]; Stanford Graduate
Fellowship; US Department of Energy, Office of Science, Office of Basic
Energy Sciences [W-31-109-Eng-38]
FX We thank Nathan Boyd for help with sample preparations, and Rhiju Das,
Adelene Sim, Vincent B. Chu, and members of the Herschlag laboratory for
helpful discussions and comments. This research was supported by
National Institutes of Health grant PO1 GM0066275 and a Stanford
Graduate Fellowship to M.A. Use of the Advanced Photon Source was
supported by the US Department of Energy, Office of Science, Office of
Basic Energy Sciences, under contract no. W-31-109-Eng-38.
NR 70
TC 41
Z9 41
U1 1
U2 10
PU ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
PI LONDON
PA 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND
SN 0022-2836
J9 J MOL BIOL
JI J. Mol. Biol.
PD FEB 12
PY 2010
VL 396
IS 1
BP 153
EP 165
DI 10.1016/j.jmb.2009.11.030
PG 13
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 558SO
UT WOS:000274766500013
PM 19925806
ER
PT J
AU Aaltonen, T
Adelman, J
Gonzalez, BA
Amerio, S
Amidei, D
Anastassov, A
Annovi, A
Antos, J
Apollinari, G
Appel, J
Apresyan, A
Arisawa, T
Artikov, A
Asaadi, J
Ashmanskas, W
Attal, A
Aurisano, A
Azfar, F
Badgett, W
Barbaro-Galtieri, A
Barnes, VE
Barnett, BA
Barria, P
Bartos, P
Bauer, G
Beauchemin, PH
Bedeschi, F
Beecher, D
Behari, S
Bellettini, G
Bellinger, J
Benjamin, D
Beretvas, A
Bhatti, A
Binkley, M
Bisello, D
Bizjak, I
Blair, RE
Blocker, C
Blumenfeld, B
Bocci, A
Bodek, A
Boisvert, V
Bortoletto, D
Boudreau, J
Boveia, A
Brau, B
Bridgeman, A
Brigliadori, L
Bromberg, C
Brubaker, E
Budagov, J
Budd, HS
Budd, S
Burkett, K
Busetto, G
Bussey, P
Buzatu, A
Byrum, KL
Cabrera, S
Calancha, C
Camarda, S
Campanelli, M
Campbell, M
Canelli, F
Canepa, A
Carls, B
Carlsmith, D
Carosi, R
Carrillo, S
Carron, S
Casal, B
Casarsa, M
Castro, A
Catastini, P
Cauz, D
Cavaliere, V
Cavalli-Sforza, M
Cerri, A
Cerrito, L
Chang, SH
Chen, YC
Chertok, M
Chiarelli, G
Chlachidze, G
Chlebana, F
Cho, K
Chokheli, D
Chou, JP
Chung, K
Chung, WH
Chung, YS
Chwalek, T
Ciobanu, CI
Ciocci, MA
Clark, A
Clark, D
Compostella, G
Convery, ME
Conway, J
Corbo, M
Cordelli, M
Cox, CA
Cox, DJ
Crescioli, F
Almenar, CC
Cuevas, J
Culbertson, R
Cully, JC
Dagenhart, D
d'Ascenzo, N
Datta, M
Davies, T
de Barbaro, P
De Cecco, S
Deisher, A
De Lorenzo, G
Dell'Orso, M
Deluca, C
Demortier, L
Deng, J
Deninno, M
d'Errico, M
Di Canto, A
Di Ruzza, B
Dittmann, JR
D'Onofrio, M
Donati, S
Dong, P
Dorigo, T
Dube, S
Ebina, K
Elagin, A
Erbacher, R
Errede, D
Errede, S
Ershaidat, N
Eusebi, R
Fang, HC
Farrington, S
Fedorko, WT
Feild, RG
Feindt, M
Fernandez, JP
Ferrazza, C
Field, R
Flanagan, G
Forrest, R
Frank, MJ
Franklin, M
Freeman, JC
Furic, I
Gallinaro, M
Galyardt, J
Garberson, F
Garcia, JE
Garfinkel, AF
Garosi, P
Gerberich, H
Gerdes, D
Gessler, A
Giagu, S
Giakoumopoulou, V
Giannetti, P
Gibson, K
Gimmell, JL
Ginsburg, CM
Giokaris, N
Giordani, M
Giromini, P
Giunta, M
Giurgiu, G
Glagolev, V
Glenzinski, D
Gold, M
Goldschmidt, N
Golossanov, A
Gomez, G
Gomez-Ceballos, G
Goncharov, M
Gonzalez, O
Gorelov, I
Goshaw, AT
Goulianos, K
Gresele, A
Grinstein, S
Grosso-Pilcher, C
Group, RC
Grundler, U
da Costa, JG
Gunay-Unalan, Z
Haber, C
Hahn, SR
Halkiadakis, E
Han, BY
Han, JY
Happacher, F
Hara, K
Hare, D
Hare, M
Harr, RF
Hartz, M
Hatakeyama, K
Hays, C
Heck, M
Heinrich, J
Herndon, M
Heuser, J
Hewamanage, S
Hidas, D
Hill, CS
Hirschbuehl, D
Hocker, A
Hou, S
Houlden, M
Hsu, SC
Hughes, RE
Hurwitz, M
Husemann, U
Hussein, M
Huston, J
Incandela, J
Introzzi, G
Iori, M
Ivanov, A
James, E
Jang, D
Jayatilaka, B
Jeon, EJ
Jha, MK
Jindariani, S
Johnson, W
Jones, M
Joo, KK
Jun, SY
Jung, JE
Junk, TR
Kamon, T
Kar, D
Karchin, PE
Kato, Y
Kephart, R
Ketchum, W
Keung, J
Khotilovich, V
Kilminster, B
Kim, DH
Kim, HS
Kim, HW
Kim, JE
Kim, MJ
Kim, SB
Kim, SH
Kim, YK
Kimura, N
Kirsch, L
Klimenko, S
Kondo, K
Kong, DJ
Konigsberg, J
Korytov, A
Kotwal, AV
Kreps, M
Kroll, J
Krop, D
Krumnack, N
Kruse, M
Krutelyov, V
Kuhr, T
Kulkarni, NP
Kurata, M
Kwang, S
Laasanen, AT
Lami, S
Lammel, S
Lancaster, M
Lander, RL
Lannon, K
Lath, A
Latino, G
Lazzizzera, I
LeCompte, T
Lee, E
Lee, HS
Lee, JS
Lee, SW
Leone, S
Lewis, JD
Lin, CJ
Linacre, J
Lindgren, M
Lipeles, E
Lister, A
Litvintsev, DO
Liu, C
Liu, T
Lockyer, NS
Loginov, A
Lovas, L
Lucchesi, D
Lueck, J
Lujan, P
Lukens, P
Lungu, G
Lys, J
Lysak, R
MacQueen, D
Madrak, R
Maeshima, K
Makhoul, K
Maksimovic, P
Malde, S
Malik, S
Manca, G
Manousakis-Katsikakis, A
Margaroli, F
Marino, C
Marino, CP
Martin, A
Martin, V
Martinez, M
Martinez-Ballarin, R
Mastrandrea, P
Mathis, M
Mattson, ME
Mazzanti, P
McFarland, KS
McIntyre, P
McNulty, R
Mehta, A
Mehtala, P
Menzione, A
Mesropian, C
Miao, T
Mietlicki, D
Miladinovic, N
Miller, R
Mills, C
Milnik, M
Mitra, A
Mitselmakher, G
Miyake, H
Moed, S
Moggi, N
Mondragon, MN
Moon, CS
Moore, R
Morello, MJ
Morlock, J
Fernandez, PM
Mulmenstadt, J
Mukherjee, A
Muller, T
Murat, P
Mussini, M
Nachtman, J
Nagai, Y
Naganoma, J
Nakamura, K
Nakano, I
Napier, A
Nett, J
Neu, C
Neubauer, MS
Neubauer, S
Nielsen, J
Nodulman, L
Norman, M
Norniella, O
Nurse, E
Oakes, L
Oh, SH
Oh, YD
Oksuzian, I
Okusawa, T
Orava, R
Osterberg, K
Griso, SP
Pagliarone, C
Palencia, E
Papadimitriou, V
Papaikonomou, A
Paramanov, AA
Parks, B
Pashapour, S
Patrick, J
Pauletta, G
Paulini, M
Paus, C
Peiffer, T
Pellett, DE
Penzo, A
Phillips, TJ
Piacentino, G
Pianori, E
Pinera, L
Pitts, K
Plager, C
Pondrom, L
Potamianos, K
Poukhov, O
Prokoshin, F
Pronko, A
Ptohos, F
Pueschel, E
Punzi, G
Pursley, J
Rademacker, J
Rahaman, A
Ramakrishnan, V
Ranjan, N
Redondo, I
Renton, P
Renz, M
Rescigno, M
Richter, S
Rimondi, F
Ristori, L
Robson, A
Rodrigo, T
Rodriguez, T
Rogers, E
Rolli, S
Roser, R
Rossi, M
Rossin, R
Roy, P
Ruiz, A
Russ, J
Rusu, V
Rutherford, B
Saarikko, H
Safonov, A
Sakumoto, WK
Santi, L
Sartori, L
Sato, K
Saveliev, V
Savoy-Navarro, A
Schlabach, P
Schmidt, A
Schmidt, EE
Schmidt, MA
Schmidt, MP
Schmitt, M
Schwarz, T
Scodellaro, L
Scribano, A
Scuri, F
Sedov, A
Seidel, S
Seiya, Y
Semenov, A
Sexton-Kennedy, L
Sforza, F
Sfyrla, A
Shalhout, SZ
Shears, T
Shepard, PF
Shimojima, M
Shiraishi, S
Shochet, M
Shon, Y
Shreyber, I
Simonenko, A
Sinervo, P
Sisakyan, A
Slaughter, AJ
Slaunwhite, J
Sliwa, K
Smith, JR
Snider, FD
Snihur, R
Soha, A
Somalwar, S
Sorin, V
Squillacioti, P
Stanitzki, M
St Denis, R
Stelzer, B
Stelzer-Chilton, O
Stentz, D
Strologas, J
Strycker, GL
Suh, JS
Sukhanov, A
Suslov, I
Taffard, A
Takashima, R
Takeuchi, Y
Tanaka, R
Tang, J
Tecchio, M
Teng, PK
Thom, J
Thome, J
Thompson, GA
Thomson, E
Tipton, P
Ttito-Guzman, P
Tkaczyk, S
Toback, D
Tokar, S
Tollefson, K
Tomura, T
Tonelli, D
Torre, S
Torretta, D
Totaro, P
Trovato, M
Tsai, SY
Tu, Y
Turini, N
Ukegawa, F
Uozumi, S
van Remortel, N
Varganov, A
Vataga, E
Vazquez, F
Velev, G
Vellidis, C
Vidal, M
Vila, I
Vilar, R
Vogel, M
Volobouev, I
Volpi, G
Wagner, P
Wagner, RG
Wagner, RL
Wagner, W
Wagner-Kuhr, J
Wakisaka, T
Wallny, R
Wang, SM
Warburton, A
Waters, D
Weinberger, M
Weinelt, J
Wester, WC
Whitehouse, B
Whiteson, D
Wicklund, AB
Wicklund, E
Wilbur, S
Williams, G
Williams, HH
Wilson, P
Winer, BL
Wittich, P
Wolbers, S
Wolfe, C
Wolfe, H
Wright, T
Wu, X
Wurthwein, F
Yagil, A
Yamamoto, K
Yamaoka, J
Yang, UK
Yang, YC
Yao, WM
Yeh, GP
Yi, K
Yoh, J
Yorita, K
Yoshida, T
Yu, GB
Yu, I
Yu, SS
Yun, JC
Zanetti, A
Zeng, Y
Zhang, X
Zheng, Y
Zucchelli, S
AF Aaltonen, T.
Adelman, J.
Alvarez Gonzalez, B.
Amerio, S.
Amidei, D.
Anastassov, A.
Annovi, A.
Antos, J.
Apollinari, G.
Appel, J.
Apresyan, A.
Arisawa, T.
Artikov, A.
Asaadi, J.
Ashmanskas, W.
Attal, A.
Aurisano, A.
Azfar, F.
Badgett, W.
Barbaro-Galtieri, A.
Barnes, V. E.
Barnett, B. A.
Barria, P.
Bartos, P.
Bauer, G.
Beauchemin, P. -H.
Bedeschi, F.
Beecher, D.
Behari, S.
Bellettini, G.
Bellinger, J.
Benjamin, D.
Beretvas, A.
Bhatti, A.
Binkley, M.
Bisello, D.
Bizjak, I.
Blair, R. E.
Blocker, C.
Blumenfeld, B.
Bocci, A.
Bodek, A.
Boisvert, V.
Bortoletto, D.
Boudreau, J.
Boveia, A.
Brau, B.
Bridgeman, A.
Brigliadori, L.
Bromberg, C.
Brubaker, E.
Budagov, J.
Budd, H. S.
Budd, S.
Burkett, K.
Busetto, G.
Bussey, P.
Buzatu, A.
Byrum, K. L.
Cabrera, S.
Calancha, C.
Camarda, S.
Campanelli, M.
Campbell, M.
Canelli, F.
Canepa, A.
Carls, B.
Carlsmith, D.
Carosi, R.
Carrillo, S.
Carron, S.
Casal, B.
Casarsa, M.
Castro, A.
Catastini, P.
Cauz, D.
Cavaliere, V.
Cavalli-Sforza, M.
Cerri, A.
Cerrito, L.
Chang, S. H.
Chen, Y. C.
Chertok, M.
Chiarelli, G.
Chlachidze, G.
Chlebana, F.
Cho, K.
Chokheli, D.
Chou, J. P.
Chung, K.
Chung, W. H.
Chung, Y. S.
Chwalek, T.
Ciobanu, C. I.
Ciocci, M. A.
Clark, A.
Clark, D.
Compostella, G.
Convery, M. E.
Conway, J.
Corbo, M.
Cordelli, M.
Cox, C. A.
Cox, D. J.
Crescioli, F.
Almenar, C. Cuenca
Cuevas, J.
Culbertson, R.
Cully, J. C.
Dagenhart, D.
d'Ascenzo, N.
Datta, M.
Davies, T.
de Barbaro, P.
De Cecco, S.
Deisher, A.
De Lorenzo, G.
Dell'Orso, M.
Deluca, C.
Demortier, L.
Deng, J.
Deninno, M.
d'Errico, M.
Di Canto, A.
Di Ruzza, B.
Dittmann, J. R.
D'Onofrio, M.
Donati, S.
Dong, P.
Dorigo, T.
Dube, S.
Ebina, K.
Elagin, A.
Erbacher, R.
Errede, D.
Errede, S.
Ershaidat, N.
Eusebi, R.
Fang, H. C.
Farrington, S.
Fedorko, W. T.
Feild, R. G.
Feindt, M.
Fernandez, J. P.
Ferrazza, C.
Field, R.
Flanagan, G.
Forrest, R.
Frank, M. J.
Franklin, M.
Freeman, J. C.
Furic, I.
Gallinaro, M.
Galyardt, J.
Garberson, F.
Garcia, J. E.
Garfinkel, A. F.
Garosi, P.
Gerberich, H.
Gerdes, D.
Gessler, A.
Giagu, S.
Giakoumopoulou, V.
Giannetti, P.
Gibson, K.
Gimmell, J. L.
Ginsburg, C. M.
Giokaris, N.
Giordani, M.
Giromini, P.
Giunta, M.
Giurgiu, G.
Glagolev, V.
Glenzinski, D.
Gold, M.
Goldschmidt, N.
Golossanov, A.
Gomez, G.
Gomez-Ceballos, G.
Goncharov, M.
Gonzalez, O.
Gorelov, I.
Goshaw, A. T.
Goulianos, K.
Gresele, A.
Grinstein, S.
Grosso-Pilcher, C.
Group, R. C.
Grundler, U.
da Costa, J. Guimaraes
Gunay-Unalan, Z.
Haber, C.
Hahn, S. R.
Halkiadakis, E.
Han, B. -Y.
Han, J. Y.
Happacher, F.
Hara, K.
Hare, D.
Hare, M.
Harr, R. F.
Hartz, M.
Hatakeyama, K.
Hays, C.
Heck, M.
Heinrich, J.
Herndon, M.
Heuser, J.
Hewamanage, S.
Hidas, D.
Hill, C. S.
Hirschbuehl, D.
Hocker, A.
Hou, S.
Houlden, M.
Hsu, S. -C.
Hughes, R. E.
Hurwitz, M.
Husemann, U.
Hussein, M.
Huston, J.
Incandela, J.
Introzzi, G.
Iori, M.
Ivanov, A.
James, E.
Jang, D.
Jayatilaka, B.
Jeon, E. J.
Jha, M. K.
Jindariani, S.
Johnson, W.
Jones, M.
Joo, K. K.
Jun, S. Y.
Jung, J. E.
Junk, T. R.
Kamon, T.
Kar, D.
Karchin, P. E.
Kato, Y.
Kephart, R.
Ketchum, W.
Keung, J.
Khotilovich, V.
Kilminster, B.
Kim, D. H.
Kim, H. S.
Kim, H. W.
Kim, J. E.
Kim, M. J.
Kim, S. B.
Kim, S. H.
Kim, Y. K.
Kimura, N.
Kirsch, L.
Klimenko, S.
Kondo, K.
Kong, D. J.
Konigsberg, J.
Korytov, A.
Kotwal, A. V.
Kreps, M.
Kroll, J.
Krop, D.
Krumnack, N.
Kruse, M.
Krutelyov, V.
Kuhr, T.
Kulkarni, N. P.
Kurata, M.
Kwang, S.
Laasanen, A. T.
Lami, S.
Lammel, S.
Lancaster, M.
Lander, R. L.
Lannon, K.
Lath, A.
Latino, G.
Lazzizzera, I.
LeCompte, T.
Lee, E.
Lee, H. S.
Lee, J. S.
Lee, S. W.
Leone, S.
Lewis, J. D.
Lin, C. -J.
Linacre, J.
Lindgren, M.
Lipeles, E.
Lister, A.
Litvintsev, D. O.
Liu, C.
Liu, T.
Lockyer, N. S.
Loginov, A.
Lovas, L.
Lucchesi, D.
Lueck, J.
Lujan, P.
Lukens, P.
Lungu, G.
Lys, J.
Lysak, R.
MacQueen, D.
Madrak, R.
Maeshima, K.
Makhoul, K.
Maksimovic, P.
Malde, S.
Malik, S.
Manca, G.
Manousakis-Katsikakis, A.
Margaroli, F.
Marino, C.
Marino, C. P.
Martin, A.
Martin, V.
Martinez, M.
Martinez-Ballarin, R.
Mastrandrea, P.
Mathis, M.
Mattson, M. E.
Mazzanti, P.
McFarland, K. S.
McIntyre, P.
McNulty, R.
Mehta, A.
Mehtala, P.
Menzione, A.
Mesropian, C.
Miao, T.
Mietlicki, D.
Miladinovic, N.
Miller, R.
Mills, C.
Milnik, M.
Mitra, A.
Mitselmakher, G.
Miyake, H.
Moed, S.
Moggi, N.
Mondragon, M. N.
Moon, C. S.
Moore, R.
Morello, M. J.
Morlock, J.
Fernandez, P. Movilla
Muelmenstaedt, J.
Mukherjee, A.
Muller, Th.
Murat, P.
Mussini, M.
Nachtman, J.
Nagai, Y.
Naganoma, J.
Nakamura, K.
Nakano, I.
Napier, A.
Nett, J.
Neu, C.
Neubauer, M. S.
Neubauer, S.
Nielsen, J.
Nodulman, L.
Norman, M.
Norniella, O.
Nurse, E.
Oakes, L.
Oh, S. H.
Oh, Y. D.
Oksuzian, I.
Okusawa, T.
Orava, R.
Osterberg, K.
Griso, S. Pagan
Pagliarone, C.
Palencia, E.
Papadimitriou, V.
Papaikonomou, A.
Paramanov, A. A.
Parks, B.
Pashapour, S.
Patrick, J.
Pauletta, G.
Paulini, M.
Paus, C.
Peiffer, T.
Pellett, D. E.
Penzo, A.
Phillips, T. J.
Piacentino, G.
Pianori, E.
Pinera, L.
Pitts, K.
Plager, C.
Pondrom, L.
Potamianos, K.
Poukhov, O.
Prokoshin, F.
Pronko, A.
Ptohos, F.
Pueschel, E.
Punzi, G.
Pursley, J.
Rademacker, J.
Rahaman, A.
Ramakrishnan, V.
Ranjan, N.
Redondo, I.
Renton, P.
Renz, M.
Rescigno, M.
Richter, S.
Rimondi, F.
Ristori, L.
Robson, A.
Rodrigo, T.
Rodriguez, T.
Rogers, E.
Rolli, S.
Roser, R.
Rossi, M.
Rossin, R.
Roy, P.
Ruiz, A.
Russ, J.
Rusu, V.
Rutherford, B.
Saarikko, H.
Safonov, A.
Sakumoto, W. K.
Santi, L.
Sartori, L.
Sato, K.
Saveliev, V.
Savoy-Navarro, A.
Schlabach, P.
Schmidt, A.
Schmidt, E. E.
Schmidt, M. A.
Schmidt, M. P.
Schmitt, M.
Schwarz, T.
Scodellaro, L.
Scribano, A.
Scuri, F.
Sedov, A.
Seidel, S.
Seiya, Y.
Semenov, A.
Sexton-Kennedy, L.
Sforza, F.
Sfyrla, A.
Shalhout, S. Z.
Shears, T.
Shepard, P. F.
Shimojima, M.
Shiraishi, S.
Shochet, M.
Shon, Y.
Shreyber, I.
Simonenko, A.
Sinervo, P.
Sisakyan, A.
Slaughter, A. J.
Slaunwhite, J.
Sliwa, K.
Smith, J. R.
Snider, F. D.
Snihur, R.
Soha, A.
Somalwar, S.
Sorin, V.
Squillacioti, P.
Stanitzki, M.
St Denis, R.
Stelzer, B.
Stelzer-Chilton, O.
Stentz, D.
Strologas, J.
Strycker, G. L.
Suh, J. S.
Sukhanov, A.
Suslov, I.
Taffard, A.
Takashima, R.
Takeuchi, Y.
Tanaka, R.
Tang, J.
Tecchio, M.
Teng, P. K.
Thom, J.
Thome, J.
Thompson, G. A.
Thomson, E.
Tipton, P.
Ttito-Guzman, P.
Tkaczyk, S.
Toback, D.
Tokar, S.
Tollefson, K.
Tomura, T.
Tonelli, D.
Torre, S.
Torretta, D.
Totaro, P.
Trovato, M.
Tsai, S. -Y.
Tu, Y.
Turini, N.
Ukegawa, F.
Uozumi, S.
van Remortel, N.
Varganov, A.
Vataga, E.
Vazquez, F.
Velev, G.
Vellidis, C.
Vidal, M.
Vila, I.
Vilar, R.
Vogel, M.
Volobouev, I.
Volpi, G.
Wagner, P.
Wagner, R. G.
Wagner, R. L.
Wagner, W.
Wagner-Kuhr, J.
Wakisaka, T.
Wallny, R.
Wang, S. M.
Warburton, A.
Waters, D.
Weinberger, M.
Weinelt, J.
Wester, W. C., III
Whitehouse, B.
Whiteson, D.
Wicklund, A. B.
Wicklund, E.
Wilbur, S.
Williams, G.
Williams, H. H.
Wilson, P.
Winer, B. L.
Wittich, P.
Wolbers, S.
Wolfe, C.
Wolfe, H.
Wright, T.
Wu, X.
Wuerthwein, F.
Yagil, A.
Yamamoto, K.
Yamaoka, J.
Yang, U. K.
Yang, Y. C.
Yao, W. M.
Yeh, G. P.
Yi, K.
Yoh, J.
Yorita, K.
Yoshida, T.
Yu, G. B.
Yu, I.
Yu, S. S.
Yun, J. C.
Zanetti, A.
Zeng, Y.
Zhang, X.
Zheng, Y.
Zucchelli, S.
CA CDF Collaboration
TI Inclusive Search for Standard Model Higgs Boson Production in the WW
Decay Channel Using the CDF II Detector
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID Z-GAMMA PRODUCTION; HADRON COLLIDERS; QCD CORRECTIONS; NNLO QCD;
COLLISIONS; FERMILAB
AB We present a search for standard model (SM) Higgs boson production using p (p) over bar collision data at root s = 1. 96 TeV, collected with the CDF II detector and corresponding to an integrated luminosity of 4. 8 fb(-1). We search for Higgs bosons produced in all processes with a significant production rate and decaying to two W bosons. We find no evidence for SM Higgs boson production and place upper limits at the 95% confidence level on the SM production cross section (sigma(H)) for values of the Higgs boson mass (m(H)) in the range from 110 to 200 GeV. These limits are the most stringent for m(H) > 130 GeV and are 1.29 above the predicted value of sigma(H) for m(H) 165 GeV.
C1 [Aaltonen, T.; Mehtala, P.; Orava, R.; Osterberg, K.; Saarikko, H.; van Remortel, N.] Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland.
[Aaltonen, T.; Mehtala, P.; Orava, R.; Osterberg, K.; Saarikko, H.; van Remortel, N.] Helsinki Inst Phys, FIN-00014 Helsinki, Finland.
[Chen, Y. C.; Hou, S.; Martin, V.; Mitra, A.; Teng, P. K.; Tsai, S. -Y.; Wang, S. M.] Acad Sinica, Inst Phys, Taipei 11529, Taiwan.
[Blair, R. E.; Byrum, K. L.; LeCompte, T.; Nodulman, L.; Paramanov, A. A.; Wagner, R. G.; Wicklund, A. B.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Giakoumopoulou, V.; Giokaris, N.; Manousakis-Katsikakis, A.; Vellidis, C.] Univ Athens, GR-15771 Athens, Greece.
[Attal, A.; Camarda, S.; Cavalli-Sforza, M.; De Lorenzo, G.; Deluca, C.; D'Onofrio, M.; Grinstein, S.; Martinez, M.; Sorin, V.] Univ Autonoma Barcelona, Inst Fis Altes Energies, E-08193 Barcelona, Spain.
[Dittmann, J. R.; Frank, M. J.; Hatakeyama, K.; Hewamanage, S.; Krumnack, N.] Baylor Univ, Waco, TX 76798 USA.
[Brigliadori, L.; Castro, A.; Deninno, M.; Jha, M. K.; Mazzanti, P.; Moggi, N.; Mussini, M.; Rimondi, F.; Zucchelli, S.] Ist Nazl Fis Nucl Bologna, I-40127 Bologna, Italy.
[Brigliadori, L.; Castro, A.; Mussini, M.; Rimondi, F.; Zucchelli, S.] Univ Bologna, I-40127 Bologna, Italy.
[Blocker, C.; Clark, D.; Kirsch, L.; Miladinovic, N.] Brandeis Univ, Waltham, MA 02254 USA.
[Chertok, M.; Conway, J.; Cox, C. A.; Cox, D. J.; Erbacher, R.; Forrest, R.; Johnson, W.; Lander, R. L.; Pellett, D. E.; Schwarz, T.; Smith, J. R.] Univ Calif Davis, Davis, CA 95616 USA.
[Plager, C.; Wallny, R.] Univ Calif Los Angeles, Los Angeles, CA 90024 USA.
[Norman, M.; Wuerthwein, F.; Yagil, A.] Univ Calif San Diego, La Jolla, CA 92093 USA.
[Boveia, A.; Brau, B.; Garberson, F.; Hill, C. S.; Incandela, J.; Krutelyov, V.; Rossin, R.] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA.
[Alvarez Gonzalez, B.; Casal, B.; Cuevas, J.; Gomez, G.; Rodrigo, T.; Ruiz, A.; Scodellaro, L.; Vila, I.; Vilar, R.] Univ Cantabria, CSIC, Inst Fis Cantabria, E-39005 Santander, Spain.
[Galyardt, J.; Jang, D.; Jun, S. Y.; Paulini, M.; Pueschel, E.; Russ, J.; Thome, J.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
[Adelman, J.; Brubaker, E.; Canelli, F.; Fedorko, W. T.; Grosso-Pilcher, C.; Hurwitz, M.; Ketchum, W.; Kim, Y. K.; Krop, D.; Kwang, S.; Lee, H. S.; Schmidt, M. A.; Shiraishi, S.; Shochet, M.; Tang, J.; Wilbur, S.; Wolfe, C.; Yang, U. K.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA.
[Antos, J.; Bartos, P.; Lovas, L.; Lysak, R.; Tokar, S.] Comenius Univ, Bratislava 84248, Slovakia.
[Antos, J.; Bartos, P.; Lovas, L.; Lysak, R.; Tokar, S.] Inst Expt Phys, Kosice 04001, Slovakia.
[Artikov, A.; Budagov, J.; Chokheli, D.; Glagolev, V.; Poukhov, O.; Prokoshin, F.; Semenov, A.; Simonenko, A.; Sisakyan, A.; Suslov, I.] Joint Inst Nucl Res, RU-141980 Dubna, Russia.
[Benjamin, D.; Bocci, A.; Cabrera, S.; Deng, J.; Goshaw, A. T.; Jayatilaka, B.; Kotwal, A. V.; Kruse, M.; Oh, S. H.; Phillips, T. J.; Yamaoka, J.; Yu, G. B.; Zeng, Y.] Duke Univ, Durham, NC 27708 USA.
[Apollinari, G.; Appel, J.; Ashmanskas, W.; Badgett, W.; Beretvas, A.; Binkley, M.; Burkett, K.; Canelli, F.; Carron, S.; Casarsa, M.; Chlachidze, G.; Chlebana, F.; Chung, K.; Convery, M. E.; Culbertson, R.; Dagenhart, D.; Datta, M.; Dong, P.; Freeman, J. C.; Ginsburg, C. M.; Glenzinski, D.; Golossanov, A.; Group, R. C.; Hahn, S. R.; Hocker, A.; James, E.; Jindariani, S.; Junk, T. R.; Kephart, R.; Kilminster, B.; Lammel, S.; Lewis, J. D.; Lindgren, M.; Litvintsev, D. O.; Liu, T.; Lukens, P.; Madrak, R.; Maeshima, K.; Miao, T.; Mondragon, M. N.; Moore, R.; Fernandez, P. Movilla; Mukherjee, A.; Murat, P.; Nachtman, J.; Palencia, E.; Papadimitriou, V.; Patrick, J.; Pronko, A.; Ptohos, F.; Roser, R.; Rusu, V.; Rutherford, B.; Schlabach, P.; Schmidt, E. E.; Sexton-Kennedy, L.; Slaughter, A. J.; Snider, F. D.; Soha, A.; Thom, J.; Tkaczyk, S.; Tonelli, D.; Torretta, D.; Velev, G.; Wagner, R. L.; Wester, W. C., III; Wicklund, E.; Wilson, P.; Wittich, P.; Wolbers, S.; Yeh, G. P.; Yi, K.; Yoh, J.; Yu, S. S.; Yun, J. C.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Carrillo, S.; Field, R.; Furic, I.; Goldschmidt, N.; Kar, D.; Klimenko, S.; Konigsberg, J.; Korytov, A.; Mitselmakher, G.; Oksuzian, I.; Pinera, L.; Sukhanov, A.; Vazquez, F.] Univ Florida, Gainesville, FL 32611 USA.
[Annovi, A.; Cordelli, M.; Giromini, P.; Happacher, F.; Kim, M. J.; Torre, S.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy.
[Clark, A.; Garcia, J. E.; Lister, A.; Wu, X.] Univ Geneva, CH-1211 Geneva 4, Switzerland.
[Bussey, P.; Davies, T.; Martin, V.; Robson, A.; St Denis, R.] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland.
[Chou, J. P.; Franklin, M.; da Costa, J. Guimaraes; Mills, C.; Moed, S.] Harvard Univ, Cambridge, MA 02138 USA.
[Bridgeman, A.; Budd, S.; Carls, B.; Errede, D.; Errede, S.; Gerberich, H.; Grundler, U.; Marino, C. P.; Neubauer, M. S.; Norniella, O.; Pitts, K.; Rogers, E.; Sfyrla, A.; Taffard, A.; Thompson, G. A.; Zhang, X.] Univ Illinois, Urbana, IL 61801 USA.
[Barnett, B. A.; Behari, S.; Blumenfeld, B.; Giurgiu, G.; Maksimovic, P.; Mathis, M.] Johns Hopkins Univ, Baltimore, MD 21218 USA.
[Chwalek, T.; Feindt, M.; Gessler, A.; Heck, M.; Heuser, J.; Hirschbuehl, D.; Kreps, M.; Kuhr, T.; Lueck, J.; Marino, C.; Milnik, M.; Morlock, J.; Muller, Th.; Neubauer, S.; Papaikonomou, A.; Peiffer, T.; Renz, M.; Richter, S.; Schmidt, A.; Wagner, W.; Wagner-Kuhr, J.; Weinelt, J.] Karlsruhe Inst Technol, Inst Expt Kernphys, D-76131 Karlsruhe, Germany.
[Chang, S. H.; Cho, K.; Jeon, E. J.; Joo, K. K.; Jung, J. E.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Suh, J. S.; Uozumi, S.; Yang, Y. C.; Yu, I.] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 702701, South Korea.
[Chang, S. H.; Cho, K.; Jeon, E. J.; Joo, K. K.; Jung, J. E.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Suh, J. S.; Uozumi, S.; Yang, Y. C.; Yu, I.] Seoul Natl Univ, Seoul 151742, South Korea.
[Chang, S. H.; Cho, K.; Jeon, E. J.; Joo, K. K.; Jung, J. E.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Suh, J. S.; Uozumi, S.; Yang, Y. C.; Yu, I.] Sungkyunkwan Univ, Suwon 440746, South Korea.
[Chang, S. H.; Cho, K.; Jeon, E. J.; Joo, K. K.; Jung, J. E.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Suh, J. S.; Uozumi, S.; Yang, Y. C.; Yu, I.] Korea Inst Sci & Technol Informat, Taejon 305806, South Korea.
[Chang, S. H.; Cho, K.; Jeon, E. J.; Joo, K. K.; Jung, J. E.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Suh, J. S.; Uozumi, S.; Yang, Y. C.; Yu, I.] Chonnam Natl Univ, Kwangju 500757, South Korea.
[Chang, S. H.; Cho, K.; Jeon, E. J.; Joo, K. K.; Jung, J. E.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Suh, J. S.; Uozumi, S.; Yang, Y. C.; Yu, I.] Chonbuk Natl Univ, Jeonju 561756, South Korea.
[Barbaro-Galtieri, A.; Cerri, A.; Deisher, A.; Fang, H. C.; Haber, C.; Hsu, S. -C.; Lin, C. -J.; Lujan, P.; Lys, J.; Muelmenstaedt, J.; Nielsen, J.; Volobouev, I.; Yao, W. M.] Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Houlden, M.; Manca, G.; McNulty, R.; Mehta, A.; Shears, T.] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England.
[Beecher, D.; Bizjak, I.; Campanelli, M.; Cerrito, L.; Lancaster, M.; Malik, S.; Nurse, E.; Waters, D.] UCL, London WC1E 6BT, England.
[Calancha, C.; Fernandez, J. P.; Gonzalez, O.; Martinez-Ballarin, R.; Redondo, I.; Ttito-Guzman, P.; Vidal, M.] Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain.
[Bauer, G.; Gomez-Ceballos, G.; Goncharov, M.; Makhoul, K.; Paus, C.] MIT, Cambridge, MA 02139 USA.
[Beauchemin, P. -H.; Buzatu, A.; MacQueen, D.; Pashapour, S.; Roy, P.; Sinervo, P.; Snihur, R.; Stelzer, B.; Stelzer-Chilton, O.; Warburton, A.; Williams, G.] McGill Univ, Inst Particle Phys, Montreal, PQ H3A 2T8, Canada.
[Beauchemin, P. -H.; Buzatu, A.; MacQueen, D.; Pashapour, S.; Roy, P.; Sinervo, P.; Snihur, R.; Stelzer, B.; Stelzer-Chilton, O.; Warburton, A.; Williams, G.] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada.
[Beauchemin, P. -H.; Buzatu, A.; MacQueen, D.; Pashapour, S.; Roy, P.; Sinervo, P.; Snihur, R.; Stelzer, B.; Stelzer-Chilton, O.; Warburton, A.; Williams, G.] Univ Toronto, Toronto, ON M5S 1A7, Canada.
[Beauchemin, P. -H.; Buzatu, A.; MacQueen, D.; Pashapour, S.; Roy, P.; Sinervo, P.; Snihur, R.; Stelzer, B.; Stelzer-Chilton, O.; Warburton, A.; Williams, G.] TRIUMF, Vancouver, BC V6T 2A3, Canada.
[Amidei, D.; Campbell, M.; Cully, J. C.; Gerdes, D.; Mietlicki, D.; Strycker, G. L.; Tecchio, M.; Varganov, A.; Wright, T.] Univ Michigan, Ann Arbor, MI 48109 USA.
[Bromberg, C.; Gunay-Unalan, Z.; Hussein, M.; Huston, J.; Miller, R.; Tollefson, K.] Michigan State Univ, E Lansing, MI 48824 USA.
[Shreyber, I.] Inst Theoret & Expt Phys, Moscow 117259, Russia.
[Gold, M.; Gorelov, I.; Seidel, S.; Strologas, J.; Vogel, M.] Univ New Mexico, Albuquerque, NM 87131 USA.
[Anastassov, A.; Schmitt, M.; Stentz, D.] Northwestern Univ, Evanston, IL 60208 USA.
[Hughes, R. E.; Lannon, K.; Parks, B.; Slaunwhite, J.; Winer, B. L.; Wolfe, H.] Ohio State Univ, Columbus, OH 43210 USA.
[Nakano, I.; Takashima, R.; Tanaka, R.] Okayama Univ, Okayama 7008530, Japan.
[Kato, Y.; Okusawa, T.; Seiya, Y.; Wakisaka, T.; Yamamoto, K.; Yoshida, T.] Osaka City Univ, Osaka 588, Japan.
[Azfar, F.; Farrington, S.; Hays, C.; Linacre, J.; Malde, S.; Oakes, L.; Rademacker, J.; Renton, P.] Univ Oxford, Oxford OX1 3RH, England.
[Amerio, S.; Bisello, D.; Busetto, G.; Compostella, G.; d'Errico, M.; Dorigo, T.; Gresele, A.; Lazzizzera, I.; Lucchesi, D.; Griso, S. Pagan] Ist Nazl Fis Nucl, Sez Padova Trento, I-35131 Padua, Italy.
[Amerio, S.; Bisello, D.; Busetto, G.; d'Errico, M.; Gresele, A.; Lazzizzera, I.; Lucchesi, D.; Griso, S. Pagan] Univ Padua, I-35131 Padua, Italy.
[Ciobanu, C. I.; Corbo, M.; d'Ascenzo, N.; Ershaidat, N.; Saveliev, V.; Savoy-Navarro, A.] Univ Paris 06, LPNHE, IN2P3, CNRS,UMR7585, F-75252 Paris, France.
[Canepa, A.; Heinrich, J.; Keung, J.; Kroll, J.; Lipeles, E.; Lockyer, N. S.; Neu, C.; Pianori, E.; Rodriguez, T.; Thomson, E.; Tu, Y.; Wagner, P.; Whiteson, D.; Williams, H. H.] Univ Penn, Philadelphia, PA 19104 USA.
[Barria, P.; Bedeschi, F.; Bellettini, G.; Carosi, R.; Catastini, P.; Cavaliere, V.; Chiarelli, G.; Ciocci, M. A.; Crescioli, F.; Dell'Orso, M.; Di Canto, A.; Di Ruzza, B.; Donati, S.; Ferrazza, C.; Garosi, P.; Giannetti, P.; Giunta, M.; Introzzi, G.; Lami, S.; Latino, G.; Leone, S.; Menzione, A.; Morello, M. J.; Piacentino, G.; Punzi, G.; Ristori, L.; Sartori, L.; Scribano, A.; Scuri, F.; Sforza, F.; Squillacioti, P.; Trovato, M.; Turini, N.; Vataga, E.; Volpi, G.] Ist Nazl Fis Nucl Pisa, I-56127 Pisa, Italy.
[Bellettini, G.; Crescioli, F.; Dell'Orso, M.; Di Canto, A.; Donati, S.; Punzi, G.; Sforza, F.; Volpi, G.] Univ Pisa, I-56127 Pisa, Italy.
[Barria, P.; Catastini, P.; Cavaliere, V.; Ciocci, M. A.; Garosi, P.; Latino, G.; Scribano, A.; Squillacioti, P.; Turini, N.] Univ Siena, I-56127 Pisa, Italy.
[Ferrazza, C.; Trovato, M.; Vataga, E.] Scuola Normale Super Pisa, I-56127 Pisa, Italy.
[Boudreau, J.; Gibson, K.; Hartz, M.; Liu, C.; Rahaman, A.; Shepard, P. F.] Univ Pittsburgh, Pittsburgh, PA 15260 USA.
[Apresyan, A.; Barnes, V. E.; Bortoletto, D.; Flanagan, G.; Garfinkel, A. F.; Jones, M.; Margaroli, F.; Potamianos, K.; Ranjan, N.; Sedov, A.] Purdue Univ, W Lafayette, IN 47907 USA.
[Bodek, A.; Boisvert, V.; Budd, H. S.; Chung, Y. S.; de Barbaro, P.; Gimmell, J. L.; Han, B. -Y.; Han, J. Y.; McFarland, K. S.; Sakumoto, W. K.] Univ Rochester, Rochester, NY 14627 USA.
[Bhatti, A.; Demortier, L.; Gallinaro, M.; Goulianos, K.; Lungu, G.; Mesropian, C.] Rockefeller Univ, New York, NY 10021 USA.
[De Cecco, S.; Giagu, S.; Iori, M.; Mastrandrea, P.; Rescigno, M.] Ist Nazl Fis Nucl, Sez Roma 1, I-00185 Rome, Italy.
[Giagu, S.; Iori, M.] Univ Roma La Sapienza, I-00185 Rome, Italy.
[Dube, S.; Halkiadakis, E.; Hare, D.; Hidas, D.; Lath, A.; Somalwar, S.] Rutgers State Univ, Piscataway, NJ 08855 USA.
[Asaadi, J.; Aurisano, A.; Elagin, A.; Eusebi, R.; Kamon, T.; Khotilovich, V.; Lee, E.; Lee, S. W.; McIntyre, P.; Safonov, A.; Toback, D.; Weinberger, M.] Texas A&M Univ, College Stn, TX 77843 USA.
[Cauz, D.; Giordani, M.; Pagliarone, C.; Pauletta, G.; Penzo, A.; Rossi, M.; Santi, L.; Totaro, P.; Zanetti, A.] Ist Nazl Fis Nucl Trieste Udine, I-34100 Trieste, Italy.
[Hara, K.; Kim, S. H.; Kurata, M.; Miyake, H.; Nagai, Y.; Naganoma, J.; Nakamura, K.; Sato, K.; Shimojima, M.; Takeuchi, Y.; Tomura, T.; Ukegawa, F.] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan.
[Hare, M.; Napier, A.; Rolli, S.; Sliwa, K.; Whitehouse, B.] Tufts Univ, Medford, MA 02155 USA.
[Arisawa, T.; Ebina, K.; Kimura, N.; Kondo, K.; Yorita, K.] Waseda Univ, Tokyo 169, Japan.
[Harr, R. F.; Karchin, P. E.; Kulkarni, N. P.; Laasanen, A. T.; Mattson, M. E.; Shalhout, S. Z.] Wayne State Univ, Detroit, MI 48201 USA.
[Bellinger, J.; Carlsmith, D.; Chung, W. H.; Herndon, M.; Nett, J.; Pondrom, L.; Pursley, J.; Ramakrishnan, V.; Shon, Y.] Univ Wisconsin, Madison, WI 53706 USA.
[Almenar, C. Cuenca; Feild, R. G.; Husemann, U.; Loginov, A.; Martin, A.; Schmidt, M. P.; Stanitzki, M.; Tipton, P.] Yale Univ, New Haven, CT 06520 USA.
RP Aaltonen, T (reprint author), Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland.
RI Muelmenstaedt, Johannes/K-2432-2015; Introzzi, Gianluca/K-2497-2015;
Gorelov, Igor/J-9010-2015; Prokoshin, Fedor/E-2795-2012; Canelli,
Florencia/O-9693-2016; Moon, Chang-Seong/J-3619-2014; Scodellaro,
Luca/K-9091-2014; Grinstein, Sebastian/N-3988-2014; Paulini,
Manfred/N-7794-2014; Russ, James/P-3092-2014; unalan,
zeynep/C-6660-2015; Lazzizzera, Ignazio/E-9678-2015; vilar,
rocio/P-8480-2014; Cabrera Urban, Susana/H-1376-2015; Garcia, Jose
/H-6339-2015; ciocci, maria agnese /I-2153-2015; Cavalli-Sforza,
Matteo/H-7102-2015; Chiarelli, Giorgio/E-8953-2012; Kim,
Soo-Bong/B-7061-2014; Ivanov, Andrew/A-7982-2013; St.Denis,
Richard/C-8997-2012; Ruiz, Alberto/E-4473-2011; Punzi,
Giovanni/J-4947-2012; manca, giulia/I-9264-2012; Lysak,
Roman/H-2995-2014; Amerio, Silvia/J-4605-2012; Annovi,
Alberto/G-6028-2012; Zeng, Yu/C-1438-2013; Robson, Aidan/G-1087-2011; De
Cecco, Sandro/B-1016-2012; Warburton, Andreas/N-8028-2013
OI Jun, Soon Yung/0000-0003-3370-6109; Toback, David/0000-0003-3457-4144;
Osterberg, Kenneth/0000-0003-4807-0414; Hays, Chris/0000-0003-2371-9723;
Farrington, Sinead/0000-0001-5350-9271; Robson,
Aidan/0000-0002-1659-8284; Gallinaro, Michele/0000-0003-1261-2277;
Torre, Stefano/0000-0002-7565-0118; Turini, Nicola/0000-0002-9395-5230;
Giordani, Mario/0000-0002-0792-6039; Casarsa,
Massimo/0000-0002-1353-8964; Margaroli, Fabrizio/0000-0002-3869-0153;
Latino, Giuseppe/0000-0002-4098-3502; Group, Robert/0000-0002-4097-5254;
iori, maurizio/0000-0002-6349-0380; Vidal Marono,
Miguel/0000-0002-2590-5987; Nielsen, Jason/0000-0002-9175-4419;
Muelmenstaedt, Johannes/0000-0003-1105-6678; Introzzi,
Gianluca/0000-0002-1314-2580; Gorelov, Igor/0000-0001-5570-0133;
Prokoshin, Fedor/0000-0001-6389-5399; Canelli,
Florencia/0000-0001-6361-2117; Simonenko, Alexander/0000-0001-6580-3638;
Lancaster, Mark/0000-0002-8872-7292; Lami, Stefano/0000-0001-9492-0147;
Moon, Chang-Seong/0000-0001-8229-7829; Scodellaro,
Luca/0000-0002-4974-8330; Grinstein, Sebastian/0000-0002-6460-8694;
Paulini, Manfred/0000-0002-6714-5787; Russ, James/0000-0001-9856-9155;
unalan, zeynep/0000-0003-2570-7611; Lazzizzera,
Ignazio/0000-0001-5092-7531; ciocci, maria agnese /0000-0003-0002-5462;
Chiarelli, Giorgio/0000-0001-9851-4816; Ivanov,
Andrew/0000-0002-9270-5643; Ruiz, Alberto/0000-0002-3639-0368; Punzi,
Giovanni/0000-0002-8346-9052; Annovi, Alberto/0000-0002-4649-4398;
Warburton, Andreas/0000-0002-2298-7315
FU U.S. Department of Energy and National Science Foundation; Italian
Istituto Nazionale di Fisica Nucleare; Ministry of Education, Culture,
Sports, Science and Technology of Japan; Natural Sciences and
Engineering Research Council of Canada; National Science Council of the
Republic of China; Swiss National Science Foundation; A.P. Sloan
Foundation; Bundesministerium fur Bildung und Forschung, Germany; World
Class University Program, the National Research Foundation of Korea;
Science and Technology Facilities Council and the Royal Society, UK;
Institut National de Physique Nucleaire et Physique des Particules/CNRS;
Russian Foundation for Basic Research; Ministerio de Ciencia e
Innovacion, and Programa Consolider-Ingenio 2010, Spain; Slovak Ramp; D
Agency; Academy of Finland
FX We thank the Fermilab staff and the technical staffs of the
participating institutions for their vital contributions. This work was
supported by the U.S. Department of Energy and National Science
Foundation; the Italian Istituto Nazionale di Fisica Nucleare; the
Ministry of Education, Culture, Sports, Science and Technology of Japan;
the Natural Sciences and Engineering Research Council of Canada; the
National Science Council of the Republic of China; the Swiss National
Science Foundation; the A.P. Sloan Foundation; the Bundesministerium fur
Bildung und Forschung, Germany; the World Class University Program, the
National Research Foundation of Korea; the Science and Technology
Facilities Council and the Royal Society, UK; the Institut National de
Physique Nucleaire et Physique des Particules/CNRS; the Russian
Foundation for Basic Research; the Ministerio de Ciencia e Innovacion,
and Programa Consolider-Ingenio 2010, Spain; the Slovak R & D Agency;
and the Academy of Finland.
NR 30
TC 32
Z9 34
U1 2
U2 18
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 12
PY 2010
VL 104
IS 6
AR 061803
DI 10.1103/PhysRevLett.104.061803
PG 8
WC Physics, Multidisciplinary
SC Physics
GA 554OU
UT WOS:000274445100007
PM 20366813
ER
PT J
AU Aaltonen, T
Abazov, VM
Abbott, B
Abolins, M
Acharya, BS
Adams, M
Adams, T
Adelman, J
Aguilo, E
Alexeev, GD
Alkhazov, G
Alton, A
Gonzalez, BA
Alverson, G
Alves, GA
Amerio, S
Amidei, D
Anastassov, A
Ancu, LS
Annovi, A
Antos, J
Aoki, M
Apollinari, G
Appel, J
Apresyan, A
Arisawa, T
Arnoud, Y
Arov, M
Artikov, A
Asaadi, J
Ashmanskas, W
Askew, A
Asman, B
Atramentov, O
Attal, A
Aurisano, A
Avila, C
Azfar, F
BackusMayes, J
Badaud, F
Badgett, W
Bagby, L
Baldin, B
Bandurin, DV
Banerjee, S
Barbaro-Galtieri, A
Barberis, E
Barfuss, AF
Baringer, P
Barnes, VE
Barnett, BA
Barreto, J
Barria, P
Bartlett, JF
Bartos, P
Bassler, U
Bauer, D
Bauer, G
Beale, S
Bean, A
Beauchemin, PH
Bedeschi, F
Beecher, D
Begalli, M
Begel, M
Behari, S
Belanger-Champagne, C
Bellantoni, L
Bellettini, G
Bellinger, J
Benitez, JA
Benjamin, D
Beretvas, A
Beri, SB
Bernardi, G
Bernhard, R
Bertram, I
Besancon, M
Beuselinck, R
Bezzubov, VA
Bhat, PC
Bhatnagar, V
Bhatti, A
Binkley, M
Bisello, D
Bizjak, I
Blair, RE
Blazey, G
Blessing, S
Blocker, C
Bloom, K
Blumenfeld, B
Bocci, A
Bodek, A
Boehnlein, A
Boisvert, V
Boline, D
Bolton, TA
Boos, EE
Borissov, G
Bortoletto, D
Bose, T
Boudreau, J
Boveia, A
Brandt, A
Brau, B
Bridgeman, A
Brigliadori, L
Brock, R
Bromberg, C
Brooijmans, G
Bross, A
Brown, D
Brubaker, E
Bu, XB
Buchholz, D
Budagov, J
Budd, HS
Budd, S
Buehler, M
Buescher, V
Bunichev, V
Burdin, S
Burkett, K
Burnett, TH
Busetto, G
Bussey, P
Buszello, CP
Buzatu, A
Byrum, KL
Cabrera, S
Calancha, C
Calfayan, P
Calpas, B
Calvet, S
Camacho-Perez, E
Camarda, S
Cammin, J
Campanelli, M
Campbell, M
Canelli, F
Canepa, A
Carls, B
Carlsmith, D
Carosi, R
Carrasco-Lizarraga, MA
Carrera, E
Carrillo, S
Carron, S
Casal, B
Casarsa, M
Casey, BCK
Castilla-Valdez, H
Castro, A
Catastini, P
Cauz, D
Cavaliere, V
Cavalli-Sforza, M
Cerri, A
Cerrito, L
Chakrabarti, S
Chakraborty, D
Chan, KM
Chandra, A
Chang, SH
Chen, YC
Chertok, M
Cheu, E
Chevalier-Thery, S
Chiarelli, G
Chlachidze, G
Chlebana, F
Cho, K
Cho, DK
Cho, SW
Choi, S
Chokheli, D
Chou, JP
Choudhary, B
Christoudias, T
Chung, K
Chung, WH
Chung, YS
Chwalek, T
Cihangir, S
Ciobanu, CI
Ciocci, MA
Claes, D
Clark, A
Clark, D
Clutter, J
Compostella, G
Convery, ME
Conway, J
Cooke, M
Cooper, WE
Corbo, M
Corcoran, M
Cordelli, M
Couderc, F
Cousinou, MC
Cox, CA
Cox, DJ
Crescioli, F
Almenar, CC
Cuevas, J
Culbertson, R
Cully, JC
Cutts, D
Cwiok, M
Dagenhart, D
d'Ascenzo, N
Das, A
Datta, M
Davies, G
Davies, T
De, K
de Barbaro, P
De Cecco, S
Deisher, A
de Jong, SJ
De La Cruz-Burelo, E
Deliot, F
Dell'Orso, M
De Lorenzo, G
Deluca, C
Demarteau, M
Demina, R
Demortier, L
Deng, J
Deninno, M
Denisov, D
Denisov, SP
d'Errico, M
Desai, S
DeVaughan, K
Di Canto, A
Diehl, HT
Diesburg, M
Di Ruzza, B
Dittmann, JR
Dominguez, A
Donati, S
Dong, P
D'Onofrio, M
Dorigo, T
Dorland, T
Dube, S
Dubey, A
Dudko, LV
Duflot, L
Duggan, D
Duperrin, A
Dutt, S
Dyshkant, A
Eads, M
Ebina, K
Edmunds, D
Elagin, A
Ellison, J
Elvira, VD
Enari, Y
Eno, S
Erbacher, R
Errede, D
Errede, S
Ershaidat, N
Eusebi, R
Evans, H
Evdokimov, A
Evdokimov, VN
Facini, G
Fang, HC
Farrington, S
Fedorko, WT
Feild, RG
Feindt, M
Ferapontov, AV
Ferbel, T
Fernandez, JP
Ferrazza, C
Fiedler, F
Field, R
Filthaut, F
Fisher, W
Fisk, HE
Flanagan, G
Forrest, R
Fortner, M
Fox, H
Frank, MJ
Franklin, M
Freeman, JC
Fuess, S
Furic, I
Gadfort, T
Galea, CF
Gallinaro, M
Galyardt, J
Garberson, F
Garcia, JE
Garcia-Bellido, A
Garfinkel, AF
Garosi, P
Gavrilov, V
Gay, P
Geist, W
Geng, W
Gerbaudo, D
Gerber, CE
Gerberich, H
Gerdes, D
Gershtein, Y
Gessler, A
Giagu, S
Giakoumopoulou, V
Giannetti, P
Gibson, K
Gillberg, D
Gimmell, JL
Ginsburg, CM
Ginther, G
Giokaris, N
Giordani, M
Giromini, P
Giunta, M
Giurgiu, G
Glagolev, V
Glenzinski, D
Gold, M
Goldschmidt, N
Golossanov, A
Golovanov, G
Gomez, B
Gomez, G
Gomez-Ceballos, G
Goncharov, M
Gonzalez, O
Gorelov, I
Goshaw, AT
Goulianos, K
Goussiou, A
Grannis, PD
Greder, S
Greenlee, H
Greenwood, ZD
Gregores, EM
Grenier, G
Gresele, A
Grinstein, S
Gris, P
Grivaz, JF
Grohsjean, A
Grosso-Pilcher, C
Group, RC
Grundler, U
Nendahl, SG
Grunewald, MW
da Costa, JG
Gunay-Unalan, Z
Guo, F
Guo, J
Gutierrez, G
Gutierrez, P
Haas, A
Haber, C
Haefner, P
Hagopian, S
Hahn, SR
Haley, J
Halkiadakis, E
Hall, I
Han, BY
Han, JY
Han, L
Happacher, F
Hara, K
Harder, K
Hare, D
Hare, M
Harel, A
Harr, RF
Hartz, M
Hatakeyama, K
Hauptman, JM
Hays, C
Hays, J
Hebbeker, T
Heck, M
Hedin, D
Hegeman, JG
Heinrich, J
Heinson, AP
Heintz, U
Hensel, C
Heredia-De La Cruz, I
Herndon, M
Herner, K
Hesketh, G
Heuser, J
Hewamanage, S
Hidas, D
Hildreth, MD
Hill, CS
Hirosky, R
Hirschbuehl, D
Hoang, T
Hobbs, JD
Hocker, A
Hoeneisen, B
Hohlfeld, M
Hossain, S
Houben, P
Hou, S
Houlden, M
Hsu, SC
Hu, Y
Hubacek, Z
Hughes, RE
Hurwitz, M
Husemann, U
Huske, N
Hussein, M
Huston, J
Hynek, V
Iashvili, I
Illingworth, R
Incandela, J
Introzzi, G
Iori, M
Ito, AS
Ivanov, A
Jabeen, S
Jaffre, M
Jain, S
James, E
Jamin, D
Jang, D
Jayatilaka, B
Jeon, EJ
Jesik, R
Jha, MK
Jindariani, S
Johns, K
Johnson, C
Johnson, M
Johnson, W
Johnston, D
Jonckheere, A
Jones, M
Joo, KK
Jun, SY
Jung, JE
Junk, TR
Juste, A
Kajfasz, E
Kamon, T
Karchin, PE
Kar, D
Karmanov, D
Kasper, PA
Kato, Y
Katsanos, I
Kaushik, V
Kehoe, R
Kephart, R
Kermiche, S
Ketchum, W
Keung, J
Khalatyan, N
Khanov, A
Kharchilava, A
Kharzheev, YN
Khatidze, D
Khotilovich, V
Kilminster, B
Kim, DH
Kim, HS
Kim, HW
Kim, JE
Kim, MJ
Kim, SB
Kim, SH
Kim, YK
Kimura, N
Kirby, MH
Kirsch, L
Kirsch, M
Klimenko, S
Kohli, JM
Kondo, K
Kong, DJ
Konigsberg, J
Korytov, A
Kotwal, AV
Kozelov, AV
Kraus, J
Kreps, M
Kroll, J
Krop, D
Krumnack, N
Kruse, M
Krutelyov, V
Kuhr, T
Kulkarni, NP
Kumar, A
Kupco, A
Kurata, M
Kurca, T
Kuzmin, VA
Kvita, J
Kwang, S
Laasanen, AT
Lam, D
Lami, S
Lammel, S
Lammers, S
Lancaster, M
Lander, RL
Landsberg, G
Lannon, K
Lath, A
Latino, G
Lazzizzera, I
Lebrun, P
LeCompte, T
Lee, E
Lee, HS
Lee, HS
Lee, JS
Lee, SW
Lee, WM
Leflat, A
Lellouch, J
Leone, S
Lewis, JD
Li, L
Li, QZ
Lietti, SM
Lim, JK
Linacre, J
Lincoln, D
Lin, CJ
Lindgren, M
Linnemann, J
Lipaev, VV
Lipeles, E
Lipton, R
Lister, A
Litvintsev, DO
Liu, C
Liu, T
Liu, Y
Liu, Z
Lobodenko, A
Lockyer, NS
Loginov, A
Lokajicek, M
Lovas, L
Love, P
Lubatti, HJ
Lucchesi, D
Lueck, J
Lujan, P
Lukens, P
Luna-Garcia, R
Lungu, G
Lyon, AL
Lysak, R
Lys, J
Maciel, AKA
Mackin, D
MacQueen, D
Madrak, R
Maeshima, K
Magana-Villalba, R
Makhoul, K
Maksimovic, P
Mal, PK
Malde, S
Malik, S
Malik, S
Malyshev, VL
Manca, G
Manousakis-Katsikakis, A
Maravin, Y
Margaroli, F
Marino, C
Marino, CP
Martin, A
Martin, V
Martinez, M
Martinez-Ballarin, R
Martinez-Ortega, J
Mastrandrea, P
Mathis, M
Mattig, P
Mattson, ME
Mazzanti, P
McCarthy, R
McFarland, KS
McGivern, CL
McIntyre, P
McNulty, R
Mehta, A
Mehtala, P
Meijer, MM
Melnitchouk, A
Mendoza, L
Menezes, D
Menzione, A
Mercadante, PG
Merkin, M
Mesropian, C
Meyer, A
Meyer, J
Miao, T
Mietlicki, D
Miladinovic, N
Miller, R
Mills, C
Milnik, M
Mitra, A
Mitselmakher, G
Miyake, H
Moed, S
Moggi, N
Mondal, NK
Mondragon, MN
Moon, CS
Moore, R
Morello, MJ
Morlock, J
Moulik, T
Fernandez, PM
Muanza, GS
Mukherjee, A
Mulhearn, M
Muller, T
Mulmenstadt, J
Mundal, O
Mundim, L
Murat, P
Mussini, M
Nachtman, J
Nagai, Y
Naganoma, J
Nagy, E
Naimuddin, M
Nakamura, K
Nakano, I
Napier, A
Narain, M
Nayyar, R
Neal, HA
Negret, JP
Nett, J
Neu, C
Neubauer, MS
Neubauer, S
Neustroev, P
Nielsen, J
Nilsen, H
Nodulman, L
Nogima, H
Norman, M
Norniella, O
Novaes, SF
Nunnemann, T
Nurse, E
Oakes, L
Obrant, G
Oh, SH
Oh, YD
Oksuzian, I
Okusawa, T
Onoprienko, D
Orava, R
Orduna, J
Osman, N
Osta, J
Osterberg, K
Otec, R
Garzon, GJY
Owen, M
Padilla, M
Padley, P
Griso, SP
Pagliarone, C
Palencia, E
Pangilinan, M
Papadimitriou, V
Papaikonomou, A
Paramanov, AA
Parashar, N
Parihar, V
Park, SJ
Park, SK
Parks, B
Parsons, J
Partridge, R
Parua, N
Pashapour, S
Patrick, J
Patwa, A
Pauletta, G
Paulini, M
Paus, C
Peiffer, T
Pellett, DE
Penning, B
Penzo, A
Perfilov, M
Peters, K
Peters, Y
Petroff, P
Phillips, TJ
Piacentino, G
Pianori, E
Piegaia, R
Pinera, L
Piper, J
Pitts, K
Plager, C
Pleier, MA
Podesta-Lerma, PLM
Podstavkov, VM
Pol, ME
Polozov, P
Pondrom, L
Popov, AV
Potamianos, K
Poukhov, O
Prewitt, M
Price, D
Prokoshin, F
Pronko, A
Protopopescu, S
Ptohos, F
Pueschel, E
Punzi, G
Pursley, J
Qian, J
Quadt, A
Quinn, B
Rademacker, J
Rahaman, A
Ramakrishnan, V
Rangel, MS
Ranjan, K
Ranjan, N
Ratoff, PN
Razumov, I
Redondo, I
Renkel, P
Renton, P
Renz, M
Rescigno, M
Rich, P
Richter, S
Rijssenbeek, M
Rimondi, F
Ripp-Baudot, I
Ristori, L
Rizatdinova, F
Robinson, S
Robson, A
Rodrigo, T
Rodriguez, T
Rogers, E
Rolli, S
Rominsky, M
Roser, R
Rossi, M
Rossin, R
Roy, P
Royon, C
Rubinov, P
Ruchti, R
Ruiz, A
Russ, J
Rusu, V
Rutherford, B
Saarikko, H
Safonov, A
Safronov, G
Sajot, G
Sakumoto, WK
Sanchez-Hernandez, A
Sanders, MP
Sanghi, B
Santi, L
Sartori, L
Sato, K
Savage, G
Saveliev, V
Savoy-Navarro, A
Sawyer, L
Scanlon, T
Schaile, D
Schamberger, RD
Scheglov, Y
Schellman, H
Schlabach, P
Schliephake, T
Schlobohm, S
Schmidt, A
Schmidt, EE
Schmidt, MA
Schmidt, MP
Schmitt, M
Schwanenberger, C
Schwarz, T
Schwienhorst, R
Scodellaro, L
Scribano, A
Scuri, F
Sedov, A
Seidel, S
Seiya, Y
Sekaric, J
Semenov, A
Severini, H
Sexton-Kennedy, L
Sforza, F
Sfyrla, A
Shabalina, E
Shalhout, SZ
Shary, V
Shchukin, AA
Shears, T
Shepard, PF
Shimojima, M
Shiraishi, S
Shivpuri, RK
Shochet, M
Shon, Y
Shreyber, I
Simak, V
Simonenko, A
Sinervo, P
Sirotenko, V
Sisakyan, A
Skubic, P
Slattery, P
Slaughter, AJ
Slaunwhite, J
Sliwa, K
Smirnov, D
Smith, JR
Snider, FD
Snihur, R
Snow, GR
Snow, J
Snyder, S
Soha, A
Soldner-Rembold, S
Somalwar, S
Sonnenschein, L
Sopczak, A
Sorin, V
Sosebee, M
Soustruznik, K
Spurlock, B
Squillacioti, P
Stanitzki, M
Stark, J
St Denis, R
Stelzer, B
Stelzer-Chilton, O
Stentz, D
Stolin, V
Stoyanova, DA
Strandberg, J
Strang, MA
Strauss, E
Strauss, M
Strohmer, R
Strologas, J
Strom, D
Strycker, GL
Stutte, L
Suh, JS
Sukhanov, A
Suslov, I
Svoisky, P
Taffard, A
Takahashi, M
Takashima, R
Takeuchi, Y
Tanaka, R
Tanasijczuk, A
Tang, J
Taylor, W
Tecchio, M
Teng, PK
Thom, J
Thome, J
Thompson, GA
Thomson, E
Tiller, B
Tipton, P
Titov, M
Tkaczyk, S
Toback, D
Tokar, S
Tokmenin, VV
Tollefson, K
Tomura, T
Tonelli, D
Torre, S
Torretta, D
Totaro, P
Trovato, M
Tsai, SY
Tsybychev, D
Ttito-Guzman, P
Tuchming, B
Tu, Y
Tully, C
Turini, N
Tuts, PM
Ukegawa, F
Unalan, R
Uozumi, S
Uvarov, L
Uvarov, S
Uzunyan, S
van den Berg, PJ
Van Kooten, R
van Leeuwen, WM
van Remortel, N
Varelas, N
Varganov, A
Varnes, EW
Vasilyev, IA
Vataga, E
Vazquez, F
Velev, G
Vellidis, C
Verdier, P
Vertogradov, LS
Verzocchi, M
Vesterinen, M
Vidal, M
Vila, I
Vilanova, D
Vilar, R
Vint, P
Vogel, M
Vokac, P
Volobouev, I
Volpi, G
Wagner, P
Wagner, RG
Wagner, RL
Wagner, W
Wagner-Kuhr, J
Wahl, HD
Wakisaka, T
Wallny, R
Wang, MHLS
Wang, SM
Warburton, A
Warchol, J
Waters, D
Watts, G
Wayne, M
Weber, G
Weber, M
Weinberger, M
Weinelt, J
Wester, WC
Wetstein, M
White, A
Whitehouse, B
Whiteson, D
Wicke, D
Wicklund, AB
Wicklund, E
Wilbur, S
Williams, G
Williams, HH
Williams, MRJ
Wilson, GW
Wilson, P
Wimpenny, SJ
Winer, BL
Wittich, P
Wobisch, M
Wolbers, S
Wolfe, C
Wolfe, H
Wood, DR
Wright, T
Wu, X
Wurthwein, F
Wyatt, TR
Xie, Y
Xu, C
Yacoob, S
Yagil, A
Yamada, R
Yamamoto, K
Yamaoka, J
Yang, UK
Yang, WC
Yang, YC
Yao, WM
Yasuda, T
Yatsunenko, YA
Ye, Z
Yeh, GP
Yi, K
Yin, H
Yip, K
Yoh, J
Yoo, HD
Yorita, K
Yoshida, T
Youn, SW
Yu, GB
Yu, I
Yu, J
Yu, SS
Yun, JC
Zanetti, A
Zeitnitz, C
Zelitch, S
Zeng, Y
Zhang, X
Zhao, T
Zheng, Y
Zhou, B
Zhu, J
Zielinski, M
Zieminska, D
Zivkovic, L
Zucchelli, S
Zutshi, V
Zverev, EG
AF Aaltonen, T.
Abazov, V. M.
Abbott, B.
Abolins, M.
Acharya, B. S.
Adams, M.
Adams, T.
Adelman, J.
Aguilo, E.
Alexeev, G. D.
Alkhazov, G.
Alton, A.
Alvarez Gonzalez, B.
Alverson, G.
Alves, G. A.
Amerio, S.
Amidei, D.
Anastassov, A.
Ancu, L. S.
Annovi, A.
Antos, J.
Aoki, M.
Apollinari, G.
Appel, J.
Apresyan, A.
Arisawa, T.
Arnoud, Y.
Arov, M.
Artikov, A.
Asaadi, J.
Ashmanskas, W.
Askew, A.
Asman, B.
Atramentov, O.
Attal, A.
Aurisano, A.
Avila, C.
Azfar, F.
BackusMayes, J.
Badaud, F.
Badgett, W.
Bagby, L.
Baldin, B.
Bandurin, D. V.
Banerjee, S.
Barbaro-Galtieri, A.
Barberis, E.
Barfuss, A. -F.
Baringer, P.
Barnes, V. E.
Barnett, B. A.
Barreto, J.
Barria, P.
Bartlett, J. F.
Bartos, P.
Bassler, U.
Bauer, D.
Bauer, G.
Beale, S.
Bean, A.
Beauchemin, P. -H.
Bedeschi, F.
Beecher, D.
Begalli, M.
Begel, M.
Behari, S.
Belanger-Champagne, C.
Bellantoni, L.
Bellettini, G.
Bellinger, J.
Benitez, J. A.
Benjamin, D.
Beretvas, A.
Beri, S. B.
Bernardi, G.
Bernhard, R.
Bertram, I.
Besancon, M.
Beuselinck, R.
Bezzubov, V. A.
Bhat, P. C.
Bhatnagar, V.
Bhatti, A.
Binkley, M.
Bisello, D.
Bizjak, I.
Blair, R. E.
Blazey, G.
Blessing, S.
Blocker, C.
Bloom, K.
Blumenfeld, B.
Bocci, A.
Bodek, A.
Boehnlein, A.
Boisvert, V.
Boline, D.
Bolton, T. A.
Boos, E. E.
Borissov, G.
Bortoletto, D.
Bose, T.
Boudreau, J.
Boveia, A.
Brandt, A.
Brau, B.
Bridgeman, A.
Brigliadori, L.
Brock, R.
Bromberg, C.
Brooijmans, G.
Bross, A.
Brown, D.
Brubaker, E.
Bu, X. B.
Buchholz, D.
Budagov, J.
Budd, H. S.
Budd, S.
Buehler, M.
Buescher, V.
Bunichev, V.
Burdin, S.
Burkett, K.
Burnett, T. H.
Busetto, G.
Bussey, P.
Buszello, C. P.
Buzatu, A.
Byrum, K. L.
Cabrera, S.
Calancha, C.
Calfayan, P.
Calpas, B.
Calvet, S.
Camacho-Perez, E.
Camarda, S.
Cammin, J.
Campanelli, M.
Campbell, M.
Canelli, F.
Canepa, A.
Carls, B.
Carlsmith, D.
Carosi, R.
Carrasco-Lizarraga, M. A.
Carrera, E.
Carrillo, S.
Carron, S.
Casal, B.
Casarsa, M.
Casey, B. C. K.
Castilla-Valdez, H.
Castro, A.
Catastini, P.
Cauz, D.
Cavaliere, V.
Cavalli-Sforza, M.
Cerri, A.
Cerrito, L.
Chakrabarti, S.
Chakraborty, D.
Chan, K. M.
Chandra, A.
Chang, S. H.
Chen, Y. C.
Chertok, M.
Cheu, E.
Chevalier-Thery, S.
Chiarelli, G.
Chlachidze, G.
Chlebana, F.
Cho, K.
Cho, D. K.
Cho, S. W.
Choi, S.
Chokheli, D.
Chou, J. P.
Choudhary, B.
Christoudias, T.
Chung, K.
Chung, W. H.
Chung, Y. S.
Chwalek, T.
Cihangir, S.
Ciobanu, C. I.
Ciocci, M. A.
Claes, D.
Clark, A.
Clark, D.
Clutter, J.
Compostella, G.
Convery, M. E.
Conway, J.
Cooke, M.
Cooper, W. E.
Corbo, M.
Corcoran, M.
Cordelli, M.
Couderc, F.
Cousinou, M. -C.
Cox, C. A.
Cox, D. J.
Crescioli, F.
Almenar, C. Cuenca
Cuevas, J.
Culbertson, R.
Cully, J. C.
Cutts, D.
Cwiok, M.
Dagenhart, D.
d'Ascenzo, N.
Das, A.
Datta, M.
Davies, G.
Davies, T.
De, K.
de Barbaro, P.
De Cecco, S.
Deisher, A.
de Jong, S. J.
De La Cruz-Burelo, E.
Deliot, F.
Dell'Orso, M.
De Lorenzo, G.
Deluca, C.
Demarteau, M.
Demina, R.
Demortier, L.
Deng, J.
Deninno, M.
Denisov, D.
Denisov, S. P.
d'Errico, M.
Desai, S.
DeVaughan, K.
Di Canto, A.
Diehl, H. T.
Diesburg, M.
Di Ruzza, B.
Dittmann, J. R.
Dominguez, A.
Donati, S.
Dong, P.
D'Onofrio, M.
Dorigo, T.
Dorland, T.
Dube, S.
Dubey, A.
Dudko, L. V.
Duflot, L.
Duggan, D.
Duperrin, A.
Dutt, S.
Dyshkant, A.
Eads, M.
Ebina, K.
Edmunds, D.
Elagin, A.
Ellison, J.
Elvira, V. D.
Enari, Y.
Eno, S.
Erbacher, R.
Errede, D.
Errede, S.
Ershaidat, N.
Eusebi, R.
Evans, H.
Evdokimov, A.
Evdokimov, V. N.
Facini, G.
Fang, H. C.
Farrington, S.
Fedorko, W. T.
Feild, R. G.
Feindt, M.
Ferapontov, A. V.
Ferbel, T.
Fernandez, J. P.
Ferrazza, C.
Fiedler, F.
Field, R.
Filthaut, F.
Fisher, W.
Fisk, H. E.
Flanagan, G.
Forrest, R.
Fortner, M.
Fox, H.
Frank, M. J.
Franklin, M.
Freeman, J. C.
Fuess, S.
Furic, I.
Gadfort, T.
Galea, C. F.
Gallinaro, M.
Galyardt, J.
Garberson, F.
Garcia, J. E.
Garcia-Bellido, A.
Garfinkel, A. F.
Garosi, P.
Gavrilov, V.
Gay, P.
Geist, W.
Geng, W.
Gerbaudo, D.
Gerber, C. E.
Gerberich, H.
Gerdes, D.
Gershtein, Y.
Gessler, A.
Giagu, S.
Giakoumopoulou, V.
Giannetti, P.
Gibson, K.
Gillberg, D.
Gimmell, J. L.
Ginsburg, C. M.
Ginther, G.
Giokaris, N.
Giordani, M.
Giromini, P.
Giunta, M.
Giurgiu, G.
Glagolev, V.
Glenzinski, D.
Gold, M.
Goldschmidt, N.
Golossanov, A.
Golovanov, G.
Gomez, B.
Gomez, G.
Gomez-Ceballos, G.
Goncharov, M.
Gonzalez, O.
Gorelov, I.
Goshaw, A. T.
Goulianos, K.
Goussiou, A.
Grannis, P. D.
Greder, S.
Greenlee, H.
Greenwood, Z. D.
Gregores, E. M.
Grenier, G.
Gresele, A.
Grinstein, S.
Gris, Ph.
Grivaz, J. -F.
Grohsjean, A.
Grosso-Pilcher, C.
Group, R. C.
Grundler, U.
Nendahl, S. Gru
Gruenewald, M. W.
da Costa, J. Guimaraes
Gunay-Unalan, Z.
Guo, F.
Guo, J.
Gutierrez, G.
Gutierrez, P.
Haas, A.
Haber, C.
Haefner, P.
Hagopian, S.
Hahn, S. R.
Haley, J.
Halkiadakis, E.
Hall, I.
Han, B. -Y.
Han, J. Y.
Han, L.
Happacher, F.
Hara, K.
Harder, K.
Hare, D.
Hare, M.
Harel, A.
Harr, R. F.
Hartz, M.
Hatakeyama, K.
Hauptman, J. M.
Hays, C.
Hays, J.
Hebbeker, T.
Heck, M.
Hedin, D.
Hegeman, J. G.
Heinrich, J.
Heinson, A. P.
Heintz, U.
Hensel, C.
Heredia-De La Cruz, I.
Herndon, M.
Herner, K.
Hesketh, G.
Heuser, J.
Hewamanage, S.
Hidas, D.
Hildreth, M. D.
Hill, C. S.
Hirosky, R.
Hirschbuehl, D.
Hoang, T.
Hobbs, J. D.
Hocker, A.
Hoeneisen, B.
Hohlfeld, M.
Hossain, S.
Houben, P.
Hou, S.
Houlden, M.
Hsu, S. -C.
Hu, Y.
Hubacek, Z.
Hughes, R. E.
Hurwitz, M.
Husemann, U.
Huske, N.
Hussein, M.
Huston, J.
Hynek, V.
Iashvili, I.
Illingworth, R.
Incandela, J.
Introzzi, G.
Iori, M.
Ito, A. S.
Ivanov, A.
Jabeen, S.
Jaffre, M.
Jain, S.
James, E.
Jamin, D.
Jang, D.
Jayatilaka, B.
Jeon, E. J.
Jesik, R.
Jha, M. K.
Jindariani, S.
Johns, K.
Johnson, C.
Johnson, M.
Johnson, W.
Johnston, D.
Jonckheere, A.
Jones, M.
Joo, K. K.
Jun, S. Y.
Jung, J. E.
Junk, T. R.
Juste, A.
Kajfasz, E.
Kamon, T.
Karchin, P. E.
Kar, D.
Karmanov, D.
Kasper, P. A.
Kato, Y.
Katsanos, I.
Kaushik, V.
Kehoe, R.
Kephart, R.
Kermiche, S.
Ketchum, W.
Keung, J.
Khalatyan, N.
Khanov, A.
Kharchilava, A.
Kharzheev, Y. N.
Khatidze, D.
Khotilovich, V.
Kilminster, B.
Kim, D. H.
Kim, H. S.
Kim, H. W.
Kim, J. E.
Kim, M. J.
Kim, S. B.
Kim, S. H.
Kim, Y. K.
Kimura, N.
Kirby, M. H.
Kirsch, L.
Kirsch, M.
Klimenko, S.
Kohli, J. M.
Kondo, K.
Kong, D. J.
Konigsberg, J.
Korytov, A.
Kotwal, A. V.
Kozelov, A. V.
Kraus, J.
Kreps, M.
Kroll, J.
Krop, D.
Krumnack, N.
Kruse, M.
Krutelyov, V.
Kuhr, T.
Kulkarni, N. P.
Kumar, A.
Kupco, A.
Kurata, M.
Kurca, T.
Kuzmin, V. A.
Kvita, J.
Kwang, S.
Laasanen, A. T.
Lam, D.
Lami, S.
Lammel, S.
Lammers, S.
Lancaster, M.
Lander, R. L.
Landsberg, G.
Lannon, K.
Lath, A.
Latino, G.
Lazzizzera, I.
Lebrun, P.
LeCompte, T.
Lee, E.
Lee, H. S.
Lee, H. S.
Lee, J. S.
Lee, S. W.
Lee, W. M.
Leflat, A.
Lellouch, J.
Leone, S.
Lewis, J. D.
Li, L.
Li, Q. Z.
Lietti, S. M.
Lim, J. K.
Linacre, J.
Lincoln, D.
Lin, C. -J.
Lindgren, M.
Linnemann, J.
Lipaev, V. V.
Lipeles, E.
Lipton, R.
Lister, A.
Litvintsev, D. O.
Liu, C.
Liu, T.
Liu, Y.
Liu, Z.
Lobodenko, A.
Lockyer, N. S.
Loginov, A.
Lokajicek, M.
Lovas, L.
Love, P.
Lubatti, H. J.
Lucchesi, D.
Lueck, J.
Lujan, P.
Lukens, P.
Luna-Garcia, R.
Lungu, G.
Lyon, A. L.
Lysak, R.
Lys, J.
Maciel, A. K. A.
Mackin, D.
MacQueen, D.
Madrak, R.
Maeshima, K.
Magana-Villalba, R.
Makhoul, K.
Maksimovic, P.
Mal, P. K.
Malde, S.
Malik, S.
Malik, S.
Malyshev, V. L.
Manca, G.
Manousakis-Katsikakis, A.
Maravin, Y.
Margaroli, F.
Marino, C.
Marino, C. P.
Martin, A.
Martin, V.
Martinez, M.
Martinez-Ballarin, R.
Martinez-Ortega, J.
Mastrandrea, P.
Mathis, M.
Maettig, P.
Mattson, M. E.
Mazzanti, P.
McCarthy, R.
McFarland, K. S.
McGivern, C. L.
McIntyre, P.
McNulty, R.
Mehta, A.
Mehtala, P.
Meijer, M. M.
Melnitchouk, A.
Mendoza, L.
Menezes, D.
Menzione, A.
Mercadante, P. G.
Merkin, M.
Mesropian, C.
Meyer, A.
Meyer, J.
Miao, T.
Mietlicki, D.
Miladinovic, N.
Miller, R.
Mills, C.
Milnik, M.
Mitra, A.
Mitselmakher, G.
Miyake, H.
Moed, S.
Moggi, N.
Mondal, N. K.
Mondragon, M. N.
Moon, C. S.
Moore, R.
Morello, M. J.
Morlock, J.
Moulik, T.
Fernandez, P. Movilla
Muanza, G. S.
Mukherjee, A.
Mulhearn, M.
Muller, Th.
Muelmenstaedt, J.
Mundal, O.
Mundim, L.
Murat, P.
Mussini, M.
Nachtman, J.
Nagai, Y.
Naganoma, J.
Nagy, E.
Naimuddin, M.
Nakamura, K.
Nakano, I.
Napier, A.
Narain, M.
Nayyar, R.
Neal, H. A.
Negret, J. P.
Nett, J.
Neu, C.
Neubauer, M. S.
Neubauer, S.
Neustroev, P.
Nielsen, J.
Nilsen, H.
Nodulman, L.
Nogima, H.
Norman, M.
Norniella, O.
Novaes, S. F.
Nunnemann, T.
Nurse, E.
Oakes, L.
Obrant, G.
Oh, S. H.
Oh, Y. D.
Oksuzian, I.
Okusawa, T.
Onoprienko, D.
Orava, R.
Orduna, J.
Osman, N.
Osta, J.
Osterberg, K.
Otec, R.
Otero y Garzon, G. J.
Owen, M.
Padilla, M.
Padley, P.
Griso, S. Pagan
Pagliarone, C.
Palencia, E.
Pangilinan, M.
Papadimitriou, V.
Papaikonomou, A.
Paramanov, A. A.
Parashar, N.
Parihar, V.
Park, S. -J.
Park, S. K.
Parks, B.
Parsons, J.
Partridge, R.
Parua, N.
Pashapour, S.
Patrick, J.
Patwa, A.
Pauletta, G.
Paulini, M.
Paus, C.
Peiffer, T.
Pellett, D. E.
Penning, B.
Penzo, A.
Perfilov, M.
Peters, K.
Peters, Y.
Petroff, P.
Phillips, T. J.
Piacentino, G.
Pianori, E.
Piegaia, R.
Pinera, L.
Piper, J.
Pitts, K.
Plager, C.
Pleier, M. -A.
Podesta-Lerma, P. L. M.
Podstavkov, V. M.
Pol, M. -E.
Polozov, P.
Pondrom, L.
Popov, A. V.
Potamianos, K.
Poukhov, O.
Prewitt, M.
Price, D.
Prokoshin, F.
Pronko, A.
Protopopescu, S.
Ptohos, F.
Pueschel, E.
Punzi, G.
Pursley, J.
Qian, J.
Quadt, A.
Quinn, B.
Rademacker, J.
Rahaman, A.
Ramakrishnan, V.
Rangel, M. S.
Ranjan, K.
Ranjan, N.
Ratoff, P. N.
Razumov, I.
Redondo, I.
Renkel, P.
Renton, P.
Renz, M.
Rescigno, M.
Rich, P.
Richter, S.
Rijssenbeek, M.
Rimondi, F.
Ripp-Baudot, I.
Ristori, L.
Rizatdinova, F.
Robinson, S.
Robson, A.
Rodrigo, T.
Rodriguez, T.
Rogers, E.
Rolli, S.
Rominsky, M.
Roser, R.
Rossi, M.
Rossin, R.
Roy, P.
Royon, C.
Rubinov, P.
Ruchti, R.
Ruiz, A.
Russ, J.
Rusu, V.
Rutherford, B.
Saarikko, H.
Safonov, A.
Safronov, G.
Sajot, G.
Sakumoto, W. K.
Sanchez-Hernandez, A.
Sanders, M. P.
Sanghi, B.
Santi, L.
Sartori, L.
Sato, K.
Savage, G.
Saveliev, V.
Savoy-Navarro, A.
Sawyer, L.
Scanlon, T.
Schaile, D.
Schamberger, R. D.
Scheglov, Y.
Schellman, H.
Schlabach, P.
Schliephake, T.
Schlobohm, S.
Schmidt, A.
Schmidt, E. E.
Schmidt, M. A.
Schmidt, M. P.
Schmitt, M.
Schwanenberger, C.
Schwarz, T.
Schwienhorst, R.
Scodellaro, L.
Scribano, A.
Scuri, F.
Sedov, A.
Seidel, S.
Seiya, Y.
Sekaric, J.
Semenov, A.
Severini, H.
Sexton-Kennedy, L.
Sforza, F.
Sfyrla, A.
Shabalina, E.
Shalhout, S. Z.
Shary, V.
Shchukin, A. A.
Shears, T.
Shepard, P. F.
Shimojima, M.
Shiraishi, S.
Shivpuri, R. K.
Shochet, M.
Shon, Y.
Shreyber, I.
Simak, V.
Simonenko, A.
Sinervo, P.
Sirotenko, V.
Sisakyan, A.
Skubic, P.
Slattery, P.
Slaughter, A. J.
Slaunwhite, J.
Sliwa, K.
Smirnov, D.
Smith, J. R.
Snider, F. D.
Snihur, R.
Snow, G. R.
Snow, J.
Snyder, S.
Soha, A.
Soeldner-Rembold, S.
Somalwar, S.
Sonnenschein, L.
Sopczak, A.
Sorin, V.
Sosebee, M.
Soustruznik, K.
Spurlock, B.
Squillacioti, P.
Stanitzki, M.
Stark, J.
St. Denis, R.
Stelzer, B.
Stelzer-Chilton, O.
Stentz, D.
Stolin, V.
Stoyanova, D. A.
Strandberg, J.
Strang, M. A.
Strauss, E.
Strauss, M.
Stroehmer, R.
Strologas, J.
Strom, D.
Strycker, G. L.
Stutte, L.
Suh, J. S.
Sukhanov, A.
Suslov, I.
Svoisky, P.
Taffard, A.
Takahashi, M.
Takashima, R.
Takeuchi, Y.
Tanaka, R.
Tanasijczuk, A.
Tang, J.
Taylor, W.
Tecchio, M.
Teng, P. K.
Thom, J.
Thome, J.
Thompson, G. A.
Thomson, E.
Tiller, B.
Tipton, P.
Titov, M.
Tkaczyk, S.
Toback, D.
Tokar, S.
Tokmenin, V. V.
Tollefson, K.
Tomura, T.
Tonelli, D.
Torre, S.
Torretta, D.
Totaro, P.
Trovato, M.
Tsai, S. -Y.
Tsybychev, D.
Ttito-Guzman, P.
Tuchming, B.
Tu, Y.
Tully, C.
Turini, N.
Tuts, P. M.
Ukegawa, F.
Unalan, R.
Uozumi, S.
Uvarov, L.
Uvarov, S.
Uzunyan, S.
van den Berg, P. J.
Van Kooten, R.
van Leeuwen, W. M.
van Remortel, N.
Varelas, N.
Varganov, A.
Varnes, E. W.
Vasilyev, I. A.
Vataga, E.
Vazquez, F.
Velev, G.
Vellidis, C.
Verdier, P.
Vertogradov, L. S.
Verzocchi, M.
Vesterinen, M.
Vidal, M.
Vila, I.
Vilanova, D.
Vilar, R.
Vint, P.
Vogel, M.
Vokac, P.
Volobouev, I.
Volpi, G.
Wagner, P.
Wagner, R. G.
Wagner, R. L.
Wagner, W.
Wagner-Kuhr, J.
Wahl, H. D.
Wakisaka, T.
Wallny, R.
Wang, M. H. L. S.
Wang, S. M.
Warburton, A.
Warchol, J.
Waters, D.
Watts, G.
Wayne, M.
Weber, G.
Weber, M.
Weinberger, M.
Weinelt, J.
Wester, W. C., III
Wetstein, M.
White, A.
Whitehouse, B.
Whiteson, D.
Wicke, D.
Wicklund, A. B.
Wicklund, E.
Wilbur, S.
Williams, G.
Williams, H. H.
Williams, M. R. J.
Wilson, G. W.
Wilson, P.
Wimpenny, S. J.
Winer, B. L.
Wittich, P.
Wobisch, M.
Wolbers, S.
Wolfe, C.
Wolfe, H.
Wood, D. R.
Wright, T.
Wu, X.
Wuerthwein, F.
Wyatt, T. R.
Xie, Y.
Xu, C.
Yacoob, S.
Yagil, A.
Yamada, R.
Yamamoto, K.
Yamaoka, J.
Yang, U. K.
Yang, W. -C.
Yang, Y. C.
Yao, W. M.
Yasuda, T.
Yatsunenko, Y. A.
Ye, Z.
Yeh, G. P.
Yi, K.
Yin, H.
Yip, K.
Yoh, J.
Yoo, H. D.
Yorita, K.
Yoshida, T.
Youn, S. W.
Yu, G. B.
Yu, I.
Yu, J.
Yu, S. S.
Yun, J. C.
Zanetti, A.
Zeitnitz, C.
Zelitch, S.
Zeng, Y.
Zhang, X.
Zhao, T.
Zheng, Y.
Zhou, B.
Zhu, J.
Zielinski, M.
Zieminska, D.
Zivkovic, L.
Zucchelli, S.
Zutshi, V.
Zverev, E. G.
CA CDF Collaboration
D0 Collaboration
TI Combination of Tevatron Searches for the Standard Model Higgs Boson in
the W+W- Decay Mode
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID PARTON DISTRIBUTIONS; HADRON COLLIDERS; QCD; NNLO
AB We combine searches by the CDF and D0 Collaborations for a Higgs boson decaying to W+W-. The data correspond to an integrated total luminosity of 4.8 (CDF) and 5.4 (D0) fb(-1) of p (p) over bar collisions at root s = 1.96 TeV at the Fermilab Tevatron collider. No excess is observed above background expectation, and resulting limits on Higgs boson production exclude a standard model Higgs boson in the mass range 162-166 GeV at the 95% C.L.
C1 [Aaltonen, T.; Mehtala, P.; Orava, R.; Osterberg, K.; Saarikko, H.; van Remortel, N.] Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland.
[Aaltonen, T.; Mehtala, P.; Orava, R.; Osterberg, K.; Saarikko, H.; van Remortel, N.] Helsinki Inst Phys, FIN-00014 Helsinki, Finland.
[Martin, V.; Otero y Garzon, G. J.; Piegaia, R.; Tanasijczuk, A.] Univ Buenos Aires, Buenos Aires, DF, Argentina.
[Alves, G. A.; Barreto, J.; Maciel, A. K. A.; Pol, M. -E.] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil.
[Begalli, M.; Mundim, L.; Nogima, H.] Univ Estado Rio de Janeiro, BR-20550011 Rio De Janeiro, Brazil.
[Gregores, E. M.; Mercadante, P. G.] Univ Fed ABC, Santo Andre, Brazil.
[Lietti, S. M.; Novaes, S. F.] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil.
[Beauchemin, P. -H.; Buzatu, A.; MacQueen, D.; Pashapour, S.; Roy, P.; Sinervo, P.; Snihur, R.; Stelzer, B.; Stelzer-Chilton, O.; Warburton, A.; Williams, G.] McGill Univ, Inst Particle Phys, Montreal, PQ, Canada.
[Aguilo, E.; Beale, S.; Beauchemin, P. -H.; Buzatu, A.; Gillberg, D.; Liu, Z.; MacQueen, D.; Pashapour, S.; Roy, P.; Sinervo, P.; Snihur, R.; Stelzer, B.; Stelzer-Chilton, O.; Taylor, W.; Warburton, A.; Williams, G.] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada.
[Beauchemin, P. -H.; Buzatu, A.; MacQueen, D.; Pashapour, S.; Roy, P.; Sinervo, P.; Snihur, R.; Stelzer, B.; Stelzer-Chilton, O.; Warburton, A.; Williams, G.] Univ Toronto, Toronto, ON, Canada.
[Beauchemin, P. -H.; Buzatu, A.; MacQueen, D.; Pashapour, S.; Roy, P.; Sinervo, P.; Snihur, R.; Stelzer, B.; Stelzer-Chilton, O.; Warburton, A.; Williams, G.] TRIUMF, Vancouver, BC V6T 2A3, Canada.
[Aguilo, E.; Beale, S.; Gillberg, D.; Liu, Z.; Taylor, W.] York Univ, Toronto, ON M3J 2R7, Canada.
[Bu, X. B.; Han, L.; Liu, Y.; Yin, H.] Univ Sci & Technol China, Hefei 230026, Peoples R China.
[Chen, Y. C.; Hou, S.; Mitra, A.; Teng, P. K.; Tsai, S. -Y.; Wang, S. M.] Acad Sinica, Inst Phys, Taipei, Taiwan.
[Avila, C.; Gomez, B.; Mendoza, L.; Negret, J. P.] Univ Los Andes, Bogota, Colombia.
[Kvita, J.; Soustruznik, K.] Charles Univ Prague, Fac Math & Phys, Ctr Particle Phys, Prague, Czech Republic.
[Hubacek, Z.; Hynek, V.; Otec, R.; Simak, V.; Vokac, P.] Czech Tech Univ, CR-16635 Prague, Czech Republic.
[Kupco, A.; Lokajicek, M.] Acad Sci Czech Republic, Inst Phys, Ctr Particle Phys, Prague, Czech Republic.
[Hoeneisen, B.] Univ San Francisco Quito, Quito, Ecuador.
[Badaud, F.; Gay, P.; Gris, Ph.] Univ Clermont Ferrand, CNRS, IN2P3, LPC, Clermont, France.
[Arnoud, Y.; Sajot, G.; Stark, J.] Univ Grenoble 1, CNRS, Inst Natl Polytech Grenoble, LPSC,IN2P3, Grenoble, France.
[Barfuss, A. -F.; Calpas, B.; Cousinou, M. -C.; Duperrin, A.; Geng, W.; Jamin, D.; Kajfasz, E.; Kermiche, S.; Nagy, E.] Aix Marseille Univ, CNRS, IN2P3, CPPM, Marseille, France.
[Calvet, S.; Duflot, L.; Grivaz, J. -F.; Jaffre, M.; Petroff, P.; Rangel, M. S.] Univ Paris 11, CNRS, IN2P3, LAL, F-91405 Orsay, France.
[Bernardi, G.; Ciobanu, C. I.; Corbo, M.; d'Ascenzo, N.; Enari, Y.; Ershaidat, N.; Huske, N.; Lellouch, J.; Saveliev, V.; Savoy-Navarro, A.] Univ Paris 06, CNRS, IN2P3, LPNHE, Paris, France.
[Bassler, U.; Besancon, M.; Chevalier-Thery, S.; Couderc, F.; Deliot, F.; Grohsjean, A.; Royon, C.; Shary, V.; Titov, M.; Tuchming, B.; Vilanova, D.] CEA Saclay, Irfu, SPP, Saclay, France.
[Brown, D.; Geist, W.; Greder, S.; Ripp-Baudot, I.] Univ Strasbourg, CNRS, IN2P3, IPHC, Strasbourg, France.
[Grenier, G.; Kurca, T.; Lebrun, P.; Verdier, P.] Univ Lyon 1, CNRS, IN2P3, IPNL, F-69622 Villeurbanne, France.
[Grenier, G.; Kurca, T.; Lebrun, P.; Verdier, P.] Univ Lyon, Lyon, France.
[Hebbeker, T.; Kirsch, M.; Meyer, A.; Sonnenschein, L.] Univ Aachen, Rhein Westfal TH Aachen, Phys Inst A 3, D-5100 Aachen, Germany.
[Mundal, O.] Univ Bonn, Inst Phys, D-5300 Bonn, Germany.
[Bernhard, R.; Nilsen, H.] Univ Freiburg, Inst Phys, Freiburg, Germany.
[Hensel, C.; Meyer, J.; Park, S. -J.; Quadt, A.; Shabalina, E.] Univ Gottingen, Inst Phys 2, Gottingen, Germany.
[Chwalek, T.; Feindt, M.; Gessler, A.; Heck, M.; Heuser, J.; Hirschbuehl, D.; Kreps, M.; Kuhr, T.; Lueck, J.; Marino, C.; Milnik, M.; Morlock, J.; Muller, Th.; Neubauer, S.; Papaikonomou, A.; Peiffer, T.; Renz, M.; Richter, S.; Schmidt, A.; Wagner, W.; Wagner-Kuhr, J.; Weinelt, J.] Karlsruhe Inst Technol, Inst Expt Kernphys, Karlsruhe, Germany.
[Buescher, V.; Fiedler, F.; Hohlfeld, M.; Weber, G.; Wicke, D.] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany.
[Calfayan, P.; Haefner, P.; Nunnemann, T.; Sanders, M. P.; Schaile, D.; Stroehmer, R.; Tiller, B.] Univ Munich, Munich, Germany.
[Maettig, P.; Schliephake, T.; Zeitnitz, C.] Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany.
[Giakoumopoulou, V.; Giokaris, N.; Manousakis-Katsikakis, A.; Vellidis, C.] Univ Athens, GR-15771 Athens, Greece.
[Beri, S. B.; Bhatnagar, V.; Dutt, S.; Kohli, J. M.] Panjab Univ, Chandigarh 160014, India.
[Choudhary, B.; Dubey, A.; Naimuddin, M.; Nayyar, R.; Ranjan, K.; Shivpuri, R. K.] Univ Delhi, Delhi 110007, India.
[Acharya, B. S.; Banerjee, S.; Mondal, N. K.] Tata Inst Fundamental Res, Mumbai 400005, Maharashtra, India.
[Cwiok, M.; Gruenewald, M. W.] Univ Coll Dublin, Dublin 2, Ireland.
[Brigliadori, L.; Castro, A.; Deninno, M.; Jha, M. K.; Mazzanti, P.; Moggi, N.; Mussini, M.; Rimondi, F.; Zucchelli, S.] Ist Nazl Fis Nucl, I-40127 Bologna, Italy.
[Brigliadori, L.; Castro, A.; Mussini, M.; Rimondi, F.; Zucchelli, S.] Univ Bologna, I-40127 Bologna, Italy.
[Annovi, A.; Cordelli, M.; Giromini, P.; Happacher, F.; Kim, M. J.; Torre, S.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy.
[Amerio, S.; Bisello, D.; Busetto, G.; Compostella, G.; d'Errico, M.; Dorigo, T.; Gresele, A.; Lazzizzera, I.; Lucchesi, D.; Griso, S. Pagan] Ist Nazl Fis Nucl, Sez Padova Trento, I-35131 Padua, Italy.
[Amerio, S.; Bisello, D.; Busetto, G.; d'Errico, M.; Gresele, A.; Lazzizzera, I.; Lucchesi, D.; Griso, S. Pagan] Univ Padua, I-35131 Padua, Italy.
[Barria, P.; Bedeschi, F.; Bellettini, G.; Carosi, R.; Catastini, P.; Cavaliere, V.; Chiarelli, G.; Ciocci, M. A.; Crescioli, F.; Dell'Orso, M.; Di Canto, A.; Di Ruzza, B.; Donati, S.; Ferrazza, C.; Garosi, P.; Giannetti, P.; Giunta, M.; Introzzi, G.; Lami, S.; Latino, G.; Leone, S.; Menzione, A.; Morello, M. J.; Piacentino, G.; Punzi, G.; Ristori, L.; Sartori, L.; Scribano, A.; Scuri, F.; Sforza, F.; Squillacioti, P.; Trovato, M.; Turini, N.; Vataga, E.; Volpi, G.] Ist Nazl Fis Nucl, I-56127 Pisa, Italy.
[Bellettini, G.; Crescioli, F.; Dell'Orso, M.; Di Canto, A.; Donati, S.; Punzi, G.; Sforza, F.; Volpi, G.] Univ Pisa, I-56127 Pisa, Italy.
[Barria, P.; Catastini, P.; Cavaliere, V.; Ciocci, M. A.; Garosi, P.; Latino, G.; Scribano, A.; Squillacioti, P.; Turini, N.] Univ Siena, I-56127 Pisa, Italy.
[Ferrazza, C.; Trovato, M.; Vataga, E.] Scuola Normale Super Pisa, I-56127 Pisa, Italy.
[De Cecco, S.; Giagu, S.; Iori, M.; Mastrandrea, P.; Rescigno, M.] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy.
[Giagu, S.; Iori, M.] Univ Roma La Sapienza, I-00185 Rome, Italy.
[Cauz, D.; Giordani, M.; Pagliarone, C.; Pauletta, G.; Penzo, A.; Rossi, M.; Santi, L.; Totaro, P.; Zanetti, A.] Ist Nazl Fis Nucl Trieste Udine, I-34100 Trieste, Italy.
[Cauz, D.; Giordani, M.; Pagliarone, C.; Pauletta, G.; Penzo, A.; Rossi, M.; Santi, L.; Totaro, P.; Zanetti, A.] Ist Nazl Fis Nucl Trieste Udine, I-33100 Udine, Italy.
[Giordani, M.; Pauletta, G.; Santi, L.; Totaro, P.] Univ Trieste Udine, I-33100 Udine, Italy.
[Nakano, I.; Takashima, R.; Tanaka, R.] Okayama Univ, Okayama 7008530, Japan.
[Kato, Y.; Okusawa, T.; Seiya, Y.; Wakisaka, T.; Yamamoto, K.; Yoshida, T.] Osaka City Univ, Osaka 588, Japan.
[Hara, K.; Kim, S. H.; Kurata, M.; Miyake, H.; Nagai, Y.; Naganoma, J.; Nakamura, K.; Sato, K.; Shimojima, M.; Takeuchi, Y.; Tomura, T.; Ukegawa, F.] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan.
[Arisawa, T.; Ebina, K.; Kimura, N.; Kondo, K.; Yorita, K.] Waseda Univ, Tokyo 169, Japan.
[Chang, S. H.; Cho, K.; Jeon, E. J.; Joo, K. K.; Jung, J. E.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Suh, J. S.; Uozumi, S.; Yang, Y. C.; Yu, I.] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu, South Korea.
[Chang, S. H.; Cho, K.; Jeon, E. J.; Joo, K. K.; Jung, J. E.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Suh, J. S.; Uozumi, S.; Yang, Y. C.; Yu, I.] Seoul Natl Univ, Seoul, South Korea.
[Chang, S. H.; Cho, K.; Choi, S.; Jeon, E. J.; Joo, K. K.; Jung, J. E.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Suh, J. S.; Uozumi, S.; Yang, Y. C.; Yu, I.] Sungkyunkwan Univ, Suwon, South Korea.
[Chang, S. H.; Cho, K.; Jeon, E. J.; Joo, K. K.; Jung, J. E.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Suh, J. S.; Uozumi, S.; Yang, Y. C.; Yu, I.] Korea Inst Sci & Technol Informat, Taejon, South Korea.
[Chang, S. H.; Cho, K.; Jeon, E. J.; Joo, K. K.; Jung, J. E.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Suh, J. S.; Uozumi, S.; Yang, Y. C.; Yu, I.] Chonnam Natl Univ, Kwangju, South Korea.
[Chang, S. H.; Cho, K.; Jeon, E. J.; Joo, K. K.; Jung, J. E.; Kim, D. H.; Kim, H. S.; Kim, H. W.; Kim, J. E.; Kim, S. B.; Kong, D. J.; Lee, J. S.; Moon, C. S.; Oh, Y. D.; Suh, J. S.; Uozumi, S.; Yang, Y. C.; Yu, I.] Chonbuk Natl Univ, Jeonju, South Korea.
[Cho, S. W.; Lee, H. S.; Lim, J. K.; Park, S. K.] Korea Univ, Korea Detector Lab, Seoul, South Korea.
[Camacho-Perez, E.; Carrasco-Lizarraga, M. A.; Castilla-Valdez, H.; De La Cruz-Burelo, E.; Heredia-De La Cruz, I.; Luna-Garcia, R.; Magana-Villalba, R.; Martinez-Ortega, J.; Orduna, J.; Podesta-Lerma, P. L. M.; Sanchez-Hernandez, A.] CINVESTAV, Mexico City 14000, DF, Mexico.
[Hegeman, J. G.; Houben, P.; van den Berg, P. J.; van Leeuwen, W. M.] FOM Inst NIKHEF, Amsterdam, Netherlands.
[Hegeman, J. G.; Houben, P.; van den Berg, P. J.; van Leeuwen, W. M.] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands.
[Ancu, L. S.; de Jong, S. J.; Filthaut, F.; Galea, C. F.; Meijer, M. M.; Svoisky, P.] Radboud Univ Nijmegen, NIKHEF, NL-6525 ED Nijmegen, Netherlands.
[Abazov, V. M.; Alexeev, G. D.; Artikov, A.; Budagov, J.; Chokheli, D.; Glagolev, V.; Golovanov, G.; Kharzheev, Y. N.; Malyshev, V. L.; Poukhov, O.; Prokoshin, F.; Semenov, A.; Simonenko, A.; Sisakyan, A.; Suslov, I.; Tokmenin, V. V.; Vertogradov, L. S.; Yatsunenko, Y. A.] Dubna Joint Nucl Res Inst, Dubna 141980, Russia.
[Gavrilov, V.; Polozov, P.; Safronov, G.; Shreyber, I.; Stolin, V.] Moscow Theoret & Expt Phys Inst, Moscow 117259, Russia.
[Boos, E. E.; Bunichev, V.; Dudko, L. V.; Karmanov, D.; Kuzmin, V. A.; Leflat, A.; Merkin, M.; Perfilov, M.; Zverev, E. G.] Moscow MV Lomonosov State Univ, Moscow, Russia.
[Bezzubov, V. A.; Denisov, S. P.; Evdokimov, V. N.; Kozelov, A. V.; Lipaev, V. V.; Popov, A. V.; Razumov, I.; Shchukin, A. A.; Stoyanova, D. A.; Vasilyev, I. A.] Protvino High Energy Phys Inst, Protvino 142284, Russia.
[Alkhazov, G.; Lobodenko, A.; Neustroev, P.; Obrant, G.; Scheglov, Y.; Uvarov, L.; Uvarov, S.] Petersburg Nucl Phys Inst, St Petersburg, Russia.
[Antos, J.; Bartos, P.; Lovas, L.; Lysak, R.; Tokar, S.] Comenius Univ, Bratislava 84248, Slovakia.
[Antos, J.; Bartos, P.; Lovas, L.; Lysak, R.; Tokar, S.] Inst Expt Phys, Kosice 04001, Slovakia.
[Attal, A.; Camarda, S.; Cavalli-Sforza, M.; De Lorenzo, G.; Deluca, C.; D'Onofrio, M.; Grinstein, S.; Martinez, M.; Sorin, V.] Univ Autonoma Barcelona, Inst Fis Altes Energies, E-08193 Barcelona, Spain.
[Calancha, C.; Fernandez, J. P.; Gonzalez, O.; Martinez-Ballarin, R.; Redondo, I.; Ttito-Guzman, P.; Vidal, M.] Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain.
[Alvarez Gonzalez, B.; Casal, B.; Cuevas, J.; Gomez, G.; Rodrigo, T.; Ruiz, A.; Scodellaro, L.; Vila, I.; Vilar, R.] Univ Cantabria, CSIC, Inst Fis Cantabria, E-39005 Santander, Spain.
[Asman, B.; Belanger-Champagne, C.] Stockholm Univ, S-10691 Stockholm, Sweden.
[Asman, B.; Belanger-Champagne, C.] Uppsala Univ, Uppsala, Sweden.
[Clark, A.; Garcia, J. E.; Lister, A.; Wu, X.] Univ Geneva, CH-1211 Geneva 4, Switzerland.
[Bussey, P.; Davies, T.; Martin, V.; Robson, A.; St. Denis, R.] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland.
[Bertram, I.; Borissov, G.; Burdin, S.; Fox, H.; Love, P.; Ratoff, P. N.; Sopczak, A.; Williams, M. R. J.] Univ Lancaster, Lancaster LA1 4YB, England.
[Houlden, M.; Manca, G.; McNulty, R.; Mehta, A.; Shears, T.] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England.
[Bauer, D.; Beuselinck, R.; Buszello, C. P.; Christoudias, T.; Davies, G.; Hays, J.; Jesik, R.; Osman, N.; Robinson, S.; Scanlon, T.; Vint, P.] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England.
[Beecher, D.; Bizjak, I.; Campanelli, M.; Cerrito, L.; Lancaster, M.; Malik, S.; Nurse, E.; Waters, D.] UCL, London WC1E 6BT, England.
[Harder, K.; Owen, M.; Peters, K.; Peters, Y.; Rich, P.; Schwanenberger, C.; Soeldner-Rembold, S.; Takahashi, M.; Vesterinen, M.; Wyatt, T. R.; Yang, W. -C.] Univ Manchester, Manchester M13 9PL, Lancs, England.
[Azfar, F.; Farrington, S.; Hays, C.; Linacre, J.; Malde, S.; Oakes, L.; Rademacker, J.; Renton, P.] Univ Oxford, Oxford OX1 3RH, England.
[Cheu, E.; Das, A.; Johns, K.; Mal, P. K.; Varnes, E. W.] Univ Arizona, Tucson, AZ 85721 USA.
[Barbaro-Galtieri, A.; Cerri, A.; Deisher, A.; Fang, H. C.; Haber, C.; Hsu, S. -C.; Lin, C. -J.; Lujan, P.; Lys, J.; Muelmenstaedt, J.; Nielsen, J.; Volobouev, I.; Yao, W. M.] Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Chertok, M.; Conway, J.; Cox, C. A.; Cox, D. J.; Erbacher, R.; Forrest, R.; Ivanov, A.; Johnson, W.; Lander, R. L.; Pellett, D. E.; Schwarz, T.; Smith, J. R.] Univ Calif Davis, Davis, CA 95616 USA.
[Norman, M.; Wuerthwein, F.; Yagil, A.] Univ Calif San Diego, La Jolla, CA 92093 USA.
[Plager, C.; Wallny, R.; Zheng, Y.] Univ Calif Los Angeles, Los Angeles, CA 90024 USA.
[Ellison, J.; Heinson, A. P.; Li, L.; Padilla, M.; Wimpenny, S. J.] Univ Calif Riverside, Riverside, CA 92521 USA.
[Boveia, A.; Brau, B.; Garberson, F.; Hill, C. S.; Incandela, J.; Krutelyov, V.; Rossin, R.] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA.
[Almenar, C. Cuenca; Feild, R. G.; Husemann, U.; Loginov, A.; Martin, A.; Schmidt, M. P.; Stanitzki, M.; Tipton, P.] Yale Univ, New Haven, CT 06520 USA.
[Carrillo, S.; Field, R.; Furic, I.; Goldschmidt, N.; Kar, D.; Klimenko, S.; Konigsberg, J.; Korytov, A.; Mitselmakher, G.; Oksuzian, I.; Pinera, L.; Sukhanov, A.; Vazquez, F.] Univ Florida, Gainesville, FL 32611 USA.
[Adams, T.; Askew, A.; Blessing, S.; Carrera, E.; Hagopian, S.; Hoang, T.; Wahl, H. D.] Florida State Univ, Tallahassee, FL 32306 USA.
[Blair, R. E.; Byrum, K. L.; LeCompte, T.; Nodulman, L.; Paramanov, A. A.; Wagner, R. G.; Wicklund, A. B.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Aoki, M.; Apollinari, G.; Appel, J.; Ashmanskas, W.; Badgett, W.; Bagby, L.; Baldin, B.; Bartlett, J. F.; Bellantoni, L.; Beretvas, A.; Bhat, P. C.; Binkley, M.; Boehnlein, A.; Bross, A.; Burkett, K.; Canelli, F.; Carron, S.; Casarsa, M.; Casey, B. C. K.; Chlachidze, G.; Chlebana, F.; Chung, K.; Cihangir, S.; Convery, M. E.; Cooke, M.; Cooper, W. E.; Culbertson, R.; Dagenhart, D.; Datta, M.; Demarteau, M.; Denisov, D.; Desai, S.; Diehl, H. T.; Diesburg, M.; Dong, P.; Elvira, V. D.; Fisk, H. E.; Freeman, J. C.; Fuess, S.; Ginsburg, C. M.; Ginther, G.; Glenzinski, D.; Golossanov, A.; Greenlee, H.; Group, R. C.; Nendahl, S. Gru; Gutierrez, G.; Hahn, S. R.; Hocker, A.; Illingworth, R.; Ito, A. S.; James, E.; Jindariani, S.; Johnson, M.; Jonckheere, A.; Junk, T. R.; Juste, A.; Kasper, P. A.; Kephart, R.; Khalatyan, N.; Kilminster, B.; Lammel, S.; Lee, W. M.; Lewis, J. D.; Li, Q. Z.; Lincoln, D.; Lindgren, M.; Lipton, R.; Litvintsev, D. O.; Liu, T.; Lukens, P.; Lyon, A. L.; Madrak, R.; Maeshima, K.; Margaroli, F.; Miao, T.; Mondragon, M. N.; Moore, R.; Fernandez, P. Movilla; Mukherjee, A.; Murat, P.; Nachtman, J.; Palencia, E.; Papadimitriou, V.; Patrick, J.; Penning, B.; Podstavkov, V. M.; Pronko, A.; Ptohos, F.; Roser, R.; Rubinov, P.; Rusu, V.; Rutherford, B.; Sanghi, B.; Savage, G.; Schlabach, P.; Schmidt, E. E.; Sexton-Kennedy, L.; Sirotenko, V.; Slaughter, A. J.; Snider, F. D.; Soha, A.; Stutte, L.; Thom, J.; Tkaczyk, S.; Tonelli, D.; Torretta, D.; Velev, G.; Verzocchi, M.; Wagner, R. L.; Weber, M.; Wester, W. C., III; Wicklund, E.; Wilson, P.; Wittich, P.; Wolbers, S.; Xie, Y.; Yamada, R.; Yasuda, T.; Ye, Z.; Yeh, G. P.; Yi, K.; Yoh, J.; Youn, S. W.; Yu, S. S.; Yun, J. C.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Adelman, J.; Brubaker, E.; Canelli, F.; Fedorko, W. T.; Grosso-Pilcher, C.; Hurwitz, M.; Ketchum, W.; Kim, Y. K.; Krop, D.; Kwang, S.; Lee, H. S.; Schmidt, M. A.; Shiraishi, S.; Shochet, M.; Tang, J.; Wilbur, S.; Wolfe, C.; Yang, U. K.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA.
[Adams, M.; Gerber, C. E.; Strom, D.; Varelas, N.] Univ Illinois, Chicago, IL 60607 USA.
[Blazey, G.; Chakraborty, D.; Dyshkant, A.; Fortner, M.; Hedin, D.; Menezes, D.; Uzunyan, S.; Zutshi, V.] No Illinois Univ, De Kalb, IL 60115 USA.
[Anastassov, A.; Buchholz, D.; Kirby, M. H.; Schellman, H.; Schmitt, M.; Stentz, D.; Yacoob, S.] Northwestern Univ, Evanston, IL 60208 USA.
[Bridgeman, A.; Budd, S.; Carls, B.; Errede, D.; Errede, S.; Gerberich, H.; Grundler, U.; Marino, C. P.; Neubauer, M. S.; Norniella, O.; Pitts, K.; Rogers, E.; Sfyrla, A.; Taffard, A.; Thompson, G. A.; Zhang, X.] Univ Illinois, Urbana, IL 61801 USA.
[Chandra, A.; Evans, H.; Lammers, S.; Parua, N.; Price, D.; Van Kooten, R.; Zieminska, D.] Indiana Univ, Bloomington, IN 47405 USA.
[Parashar, N.] Purdue Univ Calumet, Hammond, IN 46323 USA.
[Chan, K. M.; Hildreth, M. D.; Lam, D.; Osta, J.; Ruchti, R.; Smirnov, D.; Warchol, J.; Wayne, M.] Univ Notre Dame, Notre Dame, IN 46556 USA.
[Apresyan, A.; Barnes, V. E.; Bortoletto, D.; Flanagan, G.; Garfinkel, A. F.; Jones, M.; Laasanen, A. T.; Potamianos, K.; Ranjan, N.; Sedov, A.] Purdue Univ, W Lafayette, IN 47907 USA.
[Hauptman, J. M.] Iowa State Univ, Ames, IA 50011 USA.
[Baringer, P.; Bean, A.; Clutter, J.; McGivern, C. L.; Moulik, T.; Sekaric, J.; Wilson, G. W.] Univ Kansas, Lawrence, KS 66045 USA.
[Bandurin, D. V.; Bolton, T. A.; Maravin, Y.; Onoprienko, D.] Kansas State Univ, Manhattan, KS 66506 USA.
[Arov, M.; Greenwood, Z. D.; Sawyer, L.; Wobisch, M.] Louisiana Tech Univ, Ruston, LA 71272 USA.
[Barnett, B. A.; Behari, S.; Blumenfeld, B.; Giurgiu, G.; Maksimovic, P.; Mathis, M.] Johns Hopkins Univ, Baltimore, MD 21218 USA.
[Eno, S.; Ferbel, T.; Wetstein, M.] Univ Maryland, College Pk, MD 20742 USA.
[Boline, D.; Bose, T.; Cho, D. K.; Jabeen, S.] Boston Univ, Boston, MA 02215 USA.
[Alverson, G.; Barberis, E.; Facini, G.; Haley, J.; Hesketh, G.; Wood, D. R.] Northeastern Univ, Boston, MA 02115 USA.
[Chou, J. P.; Franklin, M.; da Costa, J. Guimaraes; Mills, C.; Moed, S.] Harvard Univ, Cambridge, MA 02138 USA.
[Bauer, G.; Gomez-Ceballos, G.; Goncharov, M.; Makhoul, K.; Paus, C.] MIT, Cambridge, MA 02139 USA.
[Hare, M.; Napier, A.; Rolli, S.; Sliwa, K.; Whitehouse, B.] Tufts Univ, Medford, MA 02155 USA.
[Blocker, C.; Clark, D.; Kirsch, L.; Miladinovic, N.] Brandeis Univ, Waltham, MA 02254 USA.
[Alton, A.; Amidei, D.; Campbell, M.; Cully, J. C.; Gerdes, D.; Herner, K.; Mietlicki, D.; Neal, H. A.; Qian, J.; Strandberg, J.; Strycker, G. L.; Tecchio, M.; Varganov, A.; Wright, T.; Xu, C.; Zhou, B.] Univ Michigan, Ann Arbor, MI 48109 USA.
[Harr, R. F.; Karchin, P. E.; Kulkarni, N. P.; Mattson, M. E.; Shalhout, S. Z.] Wayne State Univ, Detroit, MI 48201 USA.
[Abolins, M.; Benitez, J. A.; Brock, R.; Bromberg, C.; Edmunds, D.; Fisher, W.; Geng, W.; Gunay-Unalan, Z.; Hall, I.; Hussein, M.; Huston, J.; Kraus, J.; Linnemann, J.; Miller, R.; Piper, J.; Schwienhorst, R.; Tollefson, K.; Unalan, R.] Michigan State Univ, E Lansing, MI 48824 USA.
[Melnitchouk, A.; Quinn, B.] Univ Mississippi, University, MS 38677 USA.
[Bloom, K.; Claes, D.; DeVaughan, K.; Dominguez, A.; Eads, M.; Johnston, D.; Katsanos, I.; Malik, S.; Snow, G. R.] Univ Nebraska, Lincoln, NE 68588 USA.
[Atramentov, O.; Dube, S.; Duggan, D.; Gershtein, Y.; Halkiadakis, E.; Hare, D.; Hidas, D.; Lath, A.; Somalwar, S.] Rutgers State Univ, Piscataway, NJ 08855 USA.
[Gerbaudo, D.; Tully, C.] Princeton Univ, Princeton, NJ 08544 USA.
[Gold, M.; Gorelov, I.; Muanza, G. S.; Seidel, S.; Strologas, J.; Vogel, M.] Univ New Mexico, Albuquerque, NM 87131 USA.
[Iashvili, I.; Jain, S.; Kharchilava, A.; Kumar, A.; Strang, M. A.] SUNY Buffalo, Buffalo, NY 14260 USA.
[Brooijmans, G.; Haas, A.; Johnson, C.; Parsons, J.; Tuts, P. M.; Zivkovic, L.] Columbia Univ, New York, NY 10027 USA.
[Bhatti, A.; Demortier, L.; Gallinaro, M.; Goulianos, K.; Lungu, G.; Mesropian, C.] Rockefeller Univ, New York, NY 10021 USA.
[Bodek, A.; Boisvert, V.; Budd, H. S.; Cammin, J.; Chung, Y. S.; de Barbaro, P.; Demina, R.; Ferbel, T.; Garcia-Bellido, A.; Gimmell, J. L.; Ginther, G.; Han, B. -Y.; Han, J. Y.; Harel, A.; McFarland, K. S.; Sakumoto, W. K.; Slattery, P.; Wang, M. H. L. S.; Zielinski, M.] Univ Rochester, Rochester, NY 14627 USA.
[Chakrabarti, S.; Grannis, P. D.; Guo, F.; Guo, J.; Hobbs, J. D.; Hu, Y.; McCarthy, R.; Rijssenbeek, M.; Schamberger, R. D.; Strauss, E.; Tsybychev, D.; Zhu, J.] SUNY Stony Brook, Stony Brook, NY 11794 USA.
[Begel, M.; Evdokimov, A.; Gadfort, T.; Patwa, A.; Pleier, M. -A.; Protopopescu, S.; Snyder, S.; Yip, K.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Benjamin, D.; Bocci, A.; Cabrera, S.; Deng, J.; Goshaw, A. T.; Jayatilaka, B.; Kotwal, A. V.; Kruse, M.; Oh, S. H.; Phillips, T. J.; Yamaoka, J.; Yu, G. B.; Zeng, Y.] Duke Univ, Durham, NC 27708 USA.
[Hughes, R. E.; Lannon, K.; Parks, B.; Slaunwhite, J.; Winer, B. L.; Wolfe, H.] Ohio State Univ, Columbus, OH 43210 USA.
[Snow, J.] Langston Univ, Langston, OK 73050 USA.
[Abbott, B.; Gutierrez, P.; Hossain, S.; Rominsky, M.; Severini, H.; Skubic, P.; Strauss, M.] Univ Oklahoma, Norman, OK 73019 USA.
[Khanov, A.; Rizatdinova, F.] Oklahoma State Univ, Stillwater, OK 74078 USA.
[Canepa, A.; Heinrich, J.; Keung, J.; Kroll, J.; Lipeles, E.; Lockyer, N. S.; Neu, C.; Pianori, E.; Rodriguez, T.; Thomson, E.; Tu, Y.; Wagner, P.; Whiteson, D.; Williams, H. H.] Univ Penn, Philadelphia, PA 19104 USA.
[Galyardt, J.; Jang, D.; Jun, S. Y.; Paulini, M.; Pueschel, E.; Russ, J.; Thome, J.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
[Boudreau, J.; Gibson, K.; Hartz, M.; Liu, C.; Rahaman, A.; Shepard, P. F.] Univ Pittsburgh, Pittsburgh, PA 15260 USA.
[Cutts, D.; Ferapontov, A. V.; Heintz, U.; Khatidze, D.; Landsberg, G.; Narain, M.; Pangilinan, M.; Parihar, V.; Partridge, R.; Yoo, H. D.] Brown Univ, Providence, RI 02912 USA.
[Brandt, A.; De, K.; Kaushik, V.; Sosebee, M.; Spurlock, B.; White, A.; Yu, J.] Univ Texas Arlington, Arlington, TX 76019 USA.
[Asaadi, J.; Aurisano, A.; Elagin, A.; Eusebi, R.; Kamon, T.; Khotilovich, V.; Lee, E.; Lee, S. W.; McIntyre, P.; Safonov, A.; Toback, D.; Weinberger, M.] Texas A&M Univ, College Stn, TX 77843 USA.
[Kehoe, R.; Renkel, P.] So Methodist Univ, Dallas, TX 75275 USA.
[Corcoran, M.; Mackin, D.; Padley, P.; Prewitt, M.] Rice Univ, Houston, TX 77005 USA.
[Dittmann, J. R.; Frank, M. J.; Hatakeyama, K.; Hewamanage, S.; Krumnack, N.] Baylor Univ, Waco, TX 76798 USA.
[Buehler, M.; Hirosky, R.; Mulhearn, M.; Zelitch, S.] Univ Virginia, Charlottesville, VA 22901 USA.
[BackusMayes, J.; Burnett, T. H.; Dorland, T.; Goussiou, A.; Lubatti, H. J.; Schlobohm, S.; Shon, Y.; Watts, G.; Zhao, T.] Univ Washington, Seattle, WA 98195 USA.
[Bellinger, J.; Carlsmith, D.; Chung, W. H.; Herndon, M.; Nett, J.; Pondrom, L.; Pursley, J.; Ramakrishnan, V.] Univ Wisconsin, Madison, WI 53706 USA.
RP Aaltonen, T (reprint author), Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland.
RI Ancu, Lucian Stefan/F-1812-2010; Gutierrez, Phillip/C-1161-2011; Leflat,
Alexander/D-7284-2012; Perfilov, Maxim/E-1064-2012; Boos,
Eduard/D-9748-2012; Merkin, Mikhail/D-6809-2012; Ruiz,
Alberto/E-4473-2011; Robson, Aidan/G-1087-2011; Bolton, Tim/A-7951-2012;
De Cecco, Sandro/B-1016-2012; St.Denis, Richard/C-8997-2012; bu,
xuebing/D-1121-2012; Dudko, Lev/D-7127-2012; Gorelov, Igor/J-9010-2015;
Guo, Jun/O-5202-2015; Prokoshin, Fedor/E-2795-2012; Canelli,
Florencia/O-9693-2016; Gerbaudo, Davide/J-4536-2012; Li,
Liang/O-1107-2015; Juste, Aurelio/I-2531-2015; Russ, James/P-3092-2014;
unalan, zeynep/C-6660-2015; Christoudias, Theodoros/E-7305-2015;
Lazzizzera, Ignazio/E-9678-2015; vilar, rocio/P-8480-2014; Cabrera
Urban, Susana/H-1376-2015; Garcia, Jose /H-6339-2015; ciocci, maria
agnese /I-2153-2015; Cavalli-Sforza, Matteo/H-7102-2015; Chiarelli,
Giorgio/E-8953-2012; Muelmenstaedt, Johannes/K-2432-2015; Introzzi,
Gianluca/K-2497-2015; Kim, Soo-Bong/B-7061-2014; Alves,
Gilvan/C-4007-2013; Deliot, Frederic/F-3321-2014; Sharyy,
Viatcheslav/F-9057-2014; Lokajicek, Milos/G-7800-2014; Kupco,
Alexander/G-9713-2014; Lysak, Roman/H-2995-2014; Kozelov,
Alexander/J-3812-2014; Moon, Chang-Seong/J-3619-2014; Scodellaro,
Luca/K-9091-2014; Grinstein, Sebastian/N-3988-2014; Paulini,
Manfred/N-7794-2014; manca, giulia/I-9264-2012; Amerio,
Silvia/J-4605-2012; Punzi, Giovanni/J-4947-2012; Novaes,
Sergio/D-3532-2012; Mercadante, Pedro/K-1918-2012; Mundim,
Luiz/A-1291-2012; Zeng, Yu/C-1438-2013; Yip, Kin/D-6860-2013; Annovi,
Alberto/G-6028-2012; Ivanov, Andrew/A-7982-2013; Fisher,
Wade/N-4491-2013; Warburton, Andreas/N-8028-2013; De,
Kaushik/N-1953-2013
OI Ancu, Lucian Stefan/0000-0001-5068-6723; Ruiz,
Alberto/0000-0002-3639-0368; Dudko, Lev/0000-0002-4462-3192; Grohsjean,
Alexander/0000-0003-0748-8494; Gallinaro, Michele/0000-0003-1261-2277;
Melnychuk, Oleksandr/0000-0002-2089-8685; Torre,
Stefano/0000-0002-7565-0118; Bassler, Ursula/0000-0002-9041-3057;
Turini, Nicola/0000-0002-9395-5230; Price, Darren/0000-0003-2750-9977;
Filthaut, Frank/0000-0003-3338-2247; Bertram, Iain/0000-0003-4073-4941;
Belanger-Champagne, Camille/0000-0003-2368-2617; Nielsen,
Jason/0000-0002-9175-4419; Jun, Soon Yung/0000-0003-3370-6109; Toback,
David/0000-0003-3457-4144; Osterberg, Kenneth/0000-0003-4807-0414; Hays,
Chris/0000-0003-2371-9723; Farrington, Sinead/0000-0001-5350-9271;
Robson, Aidan/0000-0002-1659-8284; Weber, Michele/0000-0002-2770-9031;
Margaroli, Fabrizio/0000-0002-3869-0153; Latino,
Giuseppe/0000-0002-4098-3502; Group, Robert/0000-0002-4097-5254;
Landsberg, Greg/0000-0002-4184-9380; iori, maurizio/0000-0002-6349-0380;
Heredia De La Cruz, Ivan/0000-0002-8133-6467; Vidal Marono,
Miguel/0000-0002-2590-5987; Haas, Andrew/0000-0002-4832-0455; Bean,
Alice/0000-0001-5967-8674; Simonenko, Alexander/0000-0001-6580-3638;
Lancaster, Mark/0000-0002-8872-7292; Lami, Stefano/0000-0001-9492-0147;
Carrera, Edgar/0000-0002-0857-8507; Giordani, Mario/0000-0002-0792-6039;
Casarsa, Massimo/0000-0002-1353-8964; Duperrin,
Arnaud/0000-0002-5789-9825; Hoeneisen, Bruce/0000-0002-6059-4256;
Beuselinck, Raymond/0000-0003-2613-7446; Heinson,
Ann/0000-0003-4209-6146; grannis, paul/0000-0003-4692-2142; Qian,
Jianming/0000-0003-4813-8167; Evans, Harold/0000-0003-2183-3127; Malik,
Sudhir/0000-0002-6356-2655; Blazey, Gerald/0000-0002-7435-5758; Wahl,
Horst/0000-0002-1345-0401; Gershtein, Yuri/0000-0002-4871-5449; Weber,
Gernot/0000-0003-4199-1640; Gorelov, Igor/0000-0001-5570-0133; Guo,
Jun/0000-0001-8125-9433; Prokoshin, Fedor/0000-0001-6389-5399; Canelli,
Florencia/0000-0001-6361-2117; Gerbaudo, Davide/0000-0002-4463-0878; Li,
Liang/0000-0001-6411-6107; Sawyer, Lee/0000-0001-8295-0605; Hedin,
David/0000-0001-9984-215X; Juste, Aurelio/0000-0002-1558-3291; Begel,
Michael/0000-0002-1634-4399; de Jong, Sijbrand/0000-0002-3120-3367;
Blessing, Susan/0000-0002-4455-7279; Russ, James/0000-0001-9856-9155;
unalan, zeynep/0000-0003-2570-7611; Christoudias,
Theodoros/0000-0001-9050-3880; Lazzizzera, Ignazio/0000-0001-5092-7531;
ciocci, maria agnese /0000-0003-0002-5462; Chiarelli,
Giorgio/0000-0001-9851-4816; Muelmenstaedt,
Johannes/0000-0003-1105-6678; Introzzi, Gianluca/0000-0002-1314-2580;
Sharyy, Viatcheslav/0000-0002-7161-2616; Moon,
Chang-Seong/0000-0001-8229-7829; Scodellaro, Luca/0000-0002-4974-8330;
Grinstein, Sebastian/0000-0002-6460-8694; Paulini,
Manfred/0000-0002-6714-5787; Punzi, Giovanni/0000-0002-8346-9052;
Novaes, Sergio/0000-0003-0471-8549; Mundim, Luiz/0000-0001-9964-7805;
Yip, Kin/0000-0002-8576-4311; Annovi, Alberto/0000-0002-4649-4398;
Ivanov, Andrew/0000-0002-9270-5643; Warburton,
Andreas/0000-0002-2298-7315; De, Kaushik/0000-0002-5647-4489
FU DOE and NSF (USA); CONICET and UBACyT (Argentina); CNPq; FAPERJ; FAPESP
and FUNDUNESP (Brazil); CRC Program; CFI; NSERC and WestGrid Project
(Canada); CAS and CNSF (China); Colciencias (Colombia); MSMT and GACR
(Czech Republic); Academy of Finland (Finland); CEA and CNRS/IN2P3
(France); BMBF and DFG (Germany); Ministry of Education, Culture,
Sports, Science and Technology (Japan); World Class University Program;
National Research Foundation (Korea); KRF and KOSEF (Korea); DAE and DST
(India); SFI (Ireland); INFN (Italy); CONACyT (Mexico); NSC(Republic of
China); FASI; Rosatom and RFBR (Russia); Slovak Ramp; D Agency
(Slovakia); Ministerio de Ciencia e Innovacion; Programa
Consolider-Ingenio 2010 (Spain); The Swedish Research Council (Sweden);
Swiss National Science Foundation (Switzerland); FOM (The Netherlands);
STFC; Royal Society (UK); A.P. Sloan Foundation (USA)
FX We thank the Fermilab staff and the technical staffs of the
participating institutions for their vital contributions. This work was
supported by DOE and NSF (USA), CONICET and UBACyT (Argentina), CNPq,
FAPERJ, FAPESP and FUNDUNESP (Brazil), CRC Program, CFI, NSERC and
WestGrid Project (Canada), CAS and CNSF (China), Colciencias (Colombia),
MSMT and GACR (Czech Republic), Academy of Finland (Finland), CEA and
CNRS/IN2P3 (France), BMBF and DFG (Germany), Ministry of Education,
Culture, Sports, Science and Technology (Japan), World Class University
Program, National Research Foundation (Korea), KRF and KOSEF (Korea),
DAE and DST (India), SFI (Ireland), INFN (Italy), CONACyT (Mexico),
NSC(Republic of China), FASI, Rosatom and RFBR (Russia), Slovak R & D
Agency (Slovakia), Ministerio de Ciencia e Innovacion, and Programa
Consolider-Ingenio 2010 (Spain), The Swedish Research Council (Sweden),
Swiss National Science Foundation (Switzerland), FOM (The Netherlands),
STFC and the Royal Society (UK), and the A.P. Sloan Foundation (USA).
NR 31
TC 81
Z9 81
U1 4
U2 45
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 12
PY 2010
VL 104
IS 6
AR 061802
DI 10.1103/PhysRevLett.104.061802
PG 11
WC Physics, Multidisciplinary
SC Physics
GA 554OU
UT WOS:000274445100006
ER
PT J
AU Abazov, VM
Abbott, B
Abolins, M
Acharya, BS
Adams, M
Adams, T
Aguilo, E
Ahsan, M
Alexeev, GD
Alkhazov, G
Alton, A
Alverson, G
Alves, GA
Ancu, LS
Aoki, M
Arnoud, Y
Arov, M
Askew, A
Asman, B
Atramentov, O
Avila, C
BackusMayes, J
Badaud, F
Bagby, L
Baldin, B
Bandurin, DV
Banerjee, S
Barberis, E
Barfuss, AF
Baringer, P
Barreto, J
Bartlett, JF
Bassler, U
Bauer, D
Beale, S
Bean, A
Begalli, M
Begel, M
Belanger-Champagne, C
Bellantoni, L
Benitez, JA
Beri, SB
Bernardi, G
Bernhard, R
Bertram, I
Besancon, M
Beuselinck, R
Bezzubov, VA
Bhat, PC
Bhatnagar, V
Blazey, G
Blessing, S
Bloom, K
Boehnlein, A
Boline, D
Bolton, TA
Boos, EE
Borissov, G
Bose, T
Brandt, A
Brock, R
Brooijmans, G
Bross, A
Brown, D
Bu, XB
Buchholz, D
Buehler, M
Buescher, V
Bunichev, V
Burdin, S
Burnett, TH
Buszello, CP
Calfayan, P
Calpas, B
Calvet, S
Camacho-Perez, E
Cammin, J
Carrasco-Lizarraga, MA
Carrera, E
Carvalho, W
Casey, BCK
Castilla-Valdez, H
Chakrabarti, S
Chakraborty, D
Chan, KM
Chandra, A
Cheu, E
Chevalier-Thery, S
Cho, DK
Cho, SW
Choi, S
Choudhary, B
Christoudias, T
Cihangir, S
Claes, D
Clutter, J
Cooke, M
Cooper, WE
Corcoran, M
Couderc, F
Cousinou, MC
Cutts, D
Cwiok, M
Das, A
Davies, G
De, K
de Jong, SJ
De La Cruz-Burelo, E
DeVaughan, K
Deliot, F
Demarteau, M
Demina, R
Denisov, D
Denisov, SP
Desai, S
Diehl, HT
Diesburg, M
Dominguez, A
Dorland, T
Dubey, A
Dudko, LV
Duflot, L
Duggan, D
Duperrin, A
Dutt, S
Dyshkant, A
Eads, M
Edmunds, D
Ellison, J
Elvira, VD
Enari, Y
Eno, S
Evans, H
Evdokimov, A
Evdokimov, VN
Facini, G
Ferapontov, AV
Ferbel, T
Fiedler, F
Filthaut, F
Fisher, W
Fisk, HE
Fortner, M
Fox, H
Fuess, S
Gadfort, T
Galea, CF
Garcia-Bellido, A
Gavrilov, V
Gay, P
Geist, W
Geng, W
Gerbaudo, D
Gerber, CE
Gershtein, Y
Gillberg, D
Ginther, G
Golovanov, G
Gomez, B
Goussiou, A
Grannis, PD
Greder, S
Greenlee, H
Greenwood, ZD
Gregores, EM
Grenier, G
Gris, P
Grivaz, JF
Grohsjean, A
Grunendahl, S
Grunewald, MW
Guo, F
Guo, J
Gutierrez, G
Gutierrez, P
Haas, A
Haefner, P
Hagopian, S
Haley, J
Hall, I
Hall, RE
Han, L
Harder, K
Harel, A
Hauptman, JM
Hays, J
Hebbeker, T
Hedin, D
Hegeman, JG
Heinson, AP
Heintz, U
Hensel, C
Heredia-De La Cruz, I
Herner, K
Hesketh, G
Hildreth, MD
Hirosky, R
Hoang, T
Hobbs, JD
Hoeneisen, B
Hohlfeld, M
Hossain, S
Houben, P
Hu, Y
Hubacek, Z
Huske, N
Hynek, V
Iashvili, I
Illingworth, R
Ito, AS
Jabeen, S
Jaffre, M
Jain, S
Jakobs, K
Jamin, D
Jesik, R
Johns, K
Johnson, C
Johnson, M
Johnston, D
Jonckheere, A
Jonsson, P
Juste, A
Kaadze, K
Kajfasz, E
Karmanov, D
Kasper, PA
Katsanos, I
Kaushik, V
Kehoe, R
Kermiche, S
Khalatyan, N
Khanov, A
Kharchilava, A
Kharzheev, YN
Khatidze, D
Kirby, MH
Kirsch, M
Kohli, JM
Kozelov, AV
Kraus, J
Kumar, A
Kupco, A
Kurca, T
Kuzmin, VA
Kvita, J
Lacroix, F
Lam, D
Lammers, S
Landsberg, G
Lebrun, P
Lee, HS
Lee, WM
Leflat, A
Lellouch, J
Li, L
Li, QZ
Lietti, SM
Lim, JK
Lincoln, D
Linnemann, J
Lipaev, VV
Lipton, R
Liu, Y
Liu, Z
Lobodenko, A
Lokajicek, M
Love, P
Lubatti, HJ
Luna-Garcia, R
Lyon, AL
Maciel, AKA
Mackin, D
Mattig, P
Magana-Villalba, R
Mal, PK
Malik, S
Malyshev, VL
Maravin, Y
Martin, B
Martinez-Ortega, J
McCarthy, R
McGivern, CL
Meijer, MM
Melnitchouk, A
Mendoza, L
Menezes, D
Mercadante, PG
Merkin, M
Meyer, A
Meyer, J
Mondal, NK
Moore, RW
Moulik, T
Muanza, GS
Mulhearn, M
Mundal, O
Mundim, L
Nagy, E
Naimuddin, M
Narain, M
Nayyar, R
Neal, HA
Negret, JP
Neustroev, P
Nilsen, H
Nogima, H
Novaes, SF
Nunnemann, T
Obrant, G
Onoprienko, D
Orduna, J
Osman, N
Osta, J
Otec, R
Garzon, GJOY
Owen, M
Padilla, M
Padley, P
Pangilinan, M
Parashar, N
Parihar, V
Park, SJ
Park, SK
Parsons, J
Partridge, R
Parua, N
Patwa, A
Penning, B
Perfilov, M
Peters, K
Peters, Y
Petroff, P
Piegaia, R
Piper, J
Pleier, MA
Podesta-Lerma, PLM
Podstavkov, VM
Pogorelov, Y
Pol, ME
Polozov, P
Popov, AV
Prewitt, M
Protopopescu, S
Qian, J
Quadt, A
Quinn, B
Rangel, MS
Ranjan, K
Ratoff, PN
Razumov, I
Renkel, P
Rich, P
Rijssenbeek, M
Ripp-Baudot, I
Rizatdinova, F
Robinson, S
Rominsky, M
Royon, C
Rubinov, P
Ruchti, R
Safronov, G
Sajot, G
Sanchez-Hernandez, A
Sanders, MP
Sanghi, B
Savage, G
Sawyer, L
Scanlon, T
Schaile, D
Schamberger, RD
Scheglov, Y
Schellman, H
Schliephake, T
Schlobohm, S
Schwanenberger, C
Schwienhorst, R
Sekaric, J
Severini, H
Shabalina, E
Shamim, M
Shary, V
Shchukin, AA
Shivpuri, RK
Simak, V
Sirotenko, V
Skubic, P
Slattery, P
Smirnov, D
Snow, GR
Snow, J
Snyder, S
Soldner-Rembold, S
Sonnenschein, L
Sopczak, A
Sosebee, M
Soustruznik, K
Spurlock, B
Stark, J
Stolin, V
Stoyanova, DA
Strandberg, J
Strang, MA
Strauss, E
Strauss, M
Strohmer, R
Strom, D
Stutte, L
Sumowidagdo, S
Svoisky, P
Takahashi, M
Tanasijczuk, A
Taylor, W
Tiller, B
Titov, M
Tokmenin, VV
Torchiani, I
Tsybychev, D
Tuchming, B
Tully, C
Tuts, PM
Unalan, R
Uvarov, L
Uvarov, S
Uzunyan, S
van den Berg, PJ
Van Kooten, R
van Leeuwen, WM
Varelas, N
Varnes, EW
Vasilyev, IA
Verdier, P
Vertogradov, LS
Verzocchi, M
Vesterinen, M
Vilanova, D
Vint, P
Vokac, P
Wagner, R
Wahl, HD
Wang, MHLS
Warchol, J
Watts, G
Wayne, M
Weber, G
Weber, M
Wenger, A
Wetstein, M
White, A
Wicke, D
Williams, MRJ
Wilson, GW
Wimpenny, SJ
Wobisch, M
Wood, DR
Wyatt, TR
Xie, Y
Xu, C
Yacoob, S
Yamada, R
Yang, WC
Yasuda, T
Yatsunenko, YA
Ye, Z
Yin, H
Yip, K
Yoo, HD
Youn, SW
Yu, J
Zeitnitz, C
Zelitch, S
Zhao, T
Zhou, B
Zhu, J
Zielinski, M
Zieminska, D
Zivkovic, L
Zutshi, V
Zverev, EG
AF Abazov, V. M.
Abbott, B.
Abolins, M.
Acharya, B. S.
Adams, M.
Adams, T.
Aguilo, E.
Ahsan, M.
Alexeev, G. D.
Alkhazov, G.
Alton, A.
Alverson, G.
Alves, G. A.
Ancu, L. S.
Aoki, M.
Arnoud, Y.
Arov, M.
Askew, A.
Asman, B.
Atramentov, O.
Avila, C.
BackusMayes, J.
Badaud, F.
Bagby, L.
Baldin, B.
Bandurin, D. V.
Banerjee, S.
Barberis, E.
Barfuss, A. -F.
Baringer, P.
Barreto, J.
Bartlett, J. F.
Bassler, U.
Bauer, D.
Beale, S.
Bean, A.
Begalli, M.
Begel, M.
Belanger-Champagne, C.
Bellantoni, L.
Benitez, J. A.
Beri, S. B.
Bernardi, G.
Bernhard, R.
Bertram, I.
Besancon, M.
Beuselinck, R.
Bezzubov, V. A.
Bhat, P. C.
Bhatnagar, V.
Blazey, G.
Blessing, S.
Bloom, K.
Boehnlein, A.
Boline, D.
Bolton, T. A.
Boos, E. E.
Borissov, G.
Bose, T.
Brandt, A.
Brock, R.
Brooijmans, G.
Bross, A.
Brown, D.
Bu, X. B.
Buchholz, D.
Buehler, M.
Buescher, V.
Bunichev, V.
Burdin, S.
Burnett, T. H.
Buszello, C. P.
Calfayan, P.
Calpas, B.
Calvet, S.
Camacho-Perez, E.
Cammin, J.
Carrasco-Lizarraga, M. A.
Carrera, E.
Carvalho, W.
Casey, B. C. K.
Castilla-Valdez, H.
Chakrabarti, S.
Chakraborty, D.
Chan, K. M.
Chandra, A.
Cheu, E.
Chevalier-Thery, S.
Cho, D. K.
Cho, S. W.
Choi, S.
Choudhary, B.
Christoudias, T.
Cihangir, S.
Claes, D.
Clutter, J.
Cooke, M.
Cooper, W. E.
Corcoran, M.
Couderc, F.
Cousinou, M. -C.
Cutts, D.
Cwiok, M.
Das, A.
Davies, G.
De, K.
de Jong, S. J.
De La Cruz-Burelo, E.
DeVaughan, K.
Deliot, F.
Demarteau, M.
Demina, R.
Denisov, D.
Denisov, S. P.
Desai, S.
Diehl, H. T.
Diesburg, M.
Dominguez, A.
Dorland, T.
Dubey, A.
Dudko, L. V.
Duflot, L.
Duggan, D.
Duperrin, A.
Dutt, S.
Dyshkant, A.
Eads, M.
Edmunds, D.
Ellison, J.
Elvira, V. D.
Enari, Y.
Eno, S.
Evans, H.
Evdokimov, A.
Evdokimov, V. N.
Facini, G.
Ferapontov, A. V.
Ferbel, T.
Fiedler, F.
Filthaut, F.
Fisher, W.
Fisk, H. E.
Fortner, M.
Fox, H.
Fuess, S.
Gadfort, T.
Galea, C. F.
Garcia-Bellido, A.
Gavrilov, V.
Gay, P.
Geist, W.
Geng, W.
Gerbaudo, D.
Gerber, C. E.
Gershtein, Y.
Gillberg, D.
Ginther, G.
Golovanov, G.
Gomez, B.
Goussiou, A.
Grannis, P. D.
Greder, S.
Greenlee, H.
Greenwood, Z. D.
Gregores, E. M.
Grenier, G.
Gris, Ph
Grivaz, J. -F.
Grohsjean, A.
Gruenendahl, S.
Gruenewald, M. W.
Guo, F.
Guo, J.
Gutierrez, G.
Gutierrez, P.
Haas, A.
Haefner, P.
Hagopian, S.
Haley, J.
Hall, I.
Hall, R. E.
Han, L.
Harder, K.
Harel, A.
Hauptman, J. M.
Hays, J.
Hebbeker, T.
Hedin, D.
Hegeman, J. G.
Heinson, A. P.
Heintz, U.
Hensel, C.
Heredia-De La Cruz, I.
Herner, K.
Hesketh, G.
Hildreth, M. D.
Hirosky, R.
Hoang, T.
Hobbs, J. D.
Hoeneisen, B.
Hohlfeld, M.
Hossain, S.
Houben, P.
Hu, Y.
Hubacek, Z.
Huske, N.
Hynek, V.
Iashvili, I.
Illingworth, R.
Ito, A. S.
Jabeen, S.
Jaffre, M.
Jain, S.
Jakobs, K.
Jamin, D.
Jesik, R.
Johns, K.
Johnson, C.
Johnson, M.
Johnston, D.
Jonckheere, A.
Jonsson, P.
Juste, A.
Kaadze, K.
Kajfasz, E.
Karmanov, D.
Kasper, P. A.
Katsanos, I.
Kaushik, V.
Kehoe, R.
Kermiche, S.
Khalatyan, N.
Khanov, A.
Kharchilava, A.
Kharzheev, Y. N.
Khatidze, D.
Kirby, M. H.
Kirsch, M.
Kohli, J. M.
Kozelov, A. V.
Kraus, J.
Kumar, A.
Kupco, A.
Kurca, T.
Kuzmin, V. A.
Kvita, J.
Lacroix, F.
Lam, D.
Lammers, S.
Landsberg, G.
Lebrun, P.
Lee, H. S.
Lee, W. M.
Leflat, A.
Lellouch, J.
Li, L.
Li, Q. Z.
Lietti, S. M.
Lim, J. K.
Lincoln, D.
Linnemann, J.
Lipaev, V. V.
Lipton, R.
Liu, Y.
Liu, Z.
Lobodenko, A.
Lokajicek, M.
Love, P.
Lubatti, H. J.
Luna-Garcia, R.
Lyon, A. L.
Maciel, A. K. A.
Mackin, D.
Maettig, P.
Magana-Villalba, R.
Mal, P. K.
Malik, S.
Malyshev, V. L.
Maravin, Y.
Martin, B.
Martinez-Ortega, J.
McCarthy, R.
McGivern, C. L.
Meijer, M. M.
Melnitchouk, A.
Mendoza, L.
Menezes, D.
Mercadante, P. G.
Merkin, M.
Meyer, A.
Meyer, J.
Mondal, N. K.
Moore, R. W.
Moulik, T.
Muanza, G. S.
Mulhearn, M.
Mundal, O.
Mundim, L.
Nagy, E.
Naimuddin, M.
Narain, M.
Nayyar, R.
Neal, H. A.
Negret, J. P.
Neustroev, P.
Nilsen, H.
Nogima, H.
Novaes, S. F.
Nunnemann, T.
Obrant, G.
Onoprienko, D.
Orduna, J.
Osman, N.
Osta, J.
Otec, R.
Otero y Garzon, G. J.
Owen, M.
Padilla, M.
Padley, P.
Pangilinan, M.
Parashar, N.
Parihar, V.
Park, S. -J.
Park, S. K.
Parsons, J.
Partridge, R.
Parua, N.
Patwa, A.
Penning, B.
Perfilov, M.
Peters, K.
Peters, Y.
Petroff, P.
Piegaia, R.
Piper, J.
Pleier, M. -A.
Podesta-Lerma, P. L. M.
Podstavkov, V. M.
Pogorelov, Y.
Pol, M. -E.
Polozov, P.
Popov, A. V.
Prewitt, M.
Protopopescu, S.
Qian, J.
Quadt, A.
Quinn, B.
Rangel, M. S.
Ranjan, K.
Ratoff, P. N.
Razumov, I.
Renkel, P.
Rich, P.
Rijssenbeek, M.
Ripp-Baudot, I.
Rizatdinova, F.
Robinson, S.
Rominsky, M.
Royon, C.
Rubinov, P.
Ruchti, R.
Safronov, G.
Sajot, G.
Sanchez-Hernandez, A.
Sanders, M. P.
Sanghi, B.
Savage, G.
Sawyer, L.
Scanlon, T.
Schaile, D.
Schamberger, R. D.
Scheglov, Y.
Schellman, H.
Schliephake, T.
Schlobohm, S.
Schwanenberger, C.
Schwienhorst, R.
Sekaric, J.
Severini, H.
Shabalina, E.
Shamim, M.
Shary, V.
Shchukin, A. A.
Shivpuri, R. K.
Simak, V.
Sirotenko, V.
Skubic, P.
Slattery, P.
Smirnov, D.
Snow, G. R.
Snow, J.
Snyder, S.
Soeldner-Rembold, S.
Sonnenschein, L.
Sopczak, A.
Sosebee, M.
Soustruznik, K.
Spurlock, B.
Stark, J.
Stolin, V.
Stoyanova, D. A.
Strandberg, J.
Strang, M. A.
Strauss, E.
Strauss, M.
Stroehmer, R.
Strom, D.
Stutte, L.
Sumowidagdo, S.
Svoisky, P.
Takahashi, M.
Tanasijczuk, A.
Taylor, W.
Tiller, B.
Titov, M.
Tokmenin, V. V.
Torchiani, I.
Tsybychev, D.
Tuchming, B.
Tully, C.
Tuts, P. M.
Unalan, R.
Uvarov, L.
Uvarov, S.
Uzunyan, S.
van den Berg, P. J.
Van Kooten, R.
van Leeuwen, W. M.
Varelas, N.
Varnes, E. W.
Vasilyev, I. A.
Verdier, P.
Vertogradov, L. S.
Verzocchi, M.
Vesterinen, M.
Vilanova, D.
Vint, P.
Vokac, P.
Wagner, R.
Wahl, H. D.
Wang, M. H. L. S.
Warchol, J.
Watts, G.
Wayne, M.
Weber, G.
Weber, M.
Wenger, A.
Wetstein, M.
White, A.
Wicke, D.
Williams, M. R. J.
Wilson, G. W.
Wimpenny, S. J.
Wobisch, M.
Wood, D. R.
Wyatt, T. R.
Xie, Y.
Xu, C.
Yacoob, S.
Yamada, R.
Yang, W. -C.
Yasuda, T.
Yatsunenko, Y. A.
Ye, Z.
Yin, H.
Yip, K.
Yoo, H. D.
Youn, S. W.
Yu, J.
Zeitnitz, C.
Zelitch, S.
Zhao, T.
Zhou, B.
Zhu, J.
Zielinski, M.
Zieminska, D.
Zivkovic, L.
Zutshi, V.
Zverev, E. G.
TI Search for a Resonance Decaying into WZ Boson Pairs in p(p)over-bar
Collisions
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID COLLIDERS
AB We present the first search for an electrically charged resonance W' decaying to a WZ boson pair using 4.1 fb(-1) of integrated luminosity collected with the D0 detector at the Fermilab Tevatron p (p) over bar collider. The WZ pairs are reconstructed through their decays into three charged leptons (l = e, mu). A total of 9 data events is observed in good agreement with the background prediction. We set 95% C.L. limits on the W'WZ coupling and on the W' production cross section multiplied by the branching fractions. We also exclude W' masses between 188 and 520 GeV within a simple extension of the standard model and set the most restrictive limits to date on low-scale technicolor models.
C1 [Abazov, V. M.; Alexeev, G. D.; Golovanov, G.; Kharzheev, Y. N.; Malyshev, V. L.; Tokmenin, V. V.; Vertogradov, L. S.; Yatsunenko, Y. A.] Joint Inst Nucl Res, Dubna, Russia.
[Otero y Garzon, G. J.; Piegaia, R.; Tanasijczuk, A.] Univ Buenos Aires, Buenos Aires, DF, Argentina.
[Alves, G. A.; Barreto, J.; Maciel, A. K. A.; Pol, M. -E.] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil.
[Begalli, M.; Carvalho, W.; Mundim, L.; Nogima, H.] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil.
[Gregores, E. M.; Mercadante, P. G.] Univ Fed ABC, Santo Andre, Brazil.
[Lietti, S. M.; Novaes, S. F.] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil.
[Aguilo, E.; Beale, S.; Gillberg, D.; Liu, Z.; Moore, R. W.; Taylor, W.] Univ Alberta, Edmonton, AB, Canada.
[Beale, S.; Gillberg, D.; Liu, Z.; Moore, R. W.; Taylor, W.] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada.
[Beale, S.; Gillberg, D.; Liu, Z.; Moore, R. W.; Taylor, W.] York Univ, Toronto, ON M3J 2R7, Canada.
[Beale, S.; Gillberg, D.; Liu, Z.; Moore, R. W.; Taylor, W.] McGill Univ, Montreal, PQ, Canada.
[Bu, X. B.; Han, L.; Liu, Y.; Yin, H.] Univ Sci & Technol China, Hefei, Peoples R China.
[Avila, C.; Gomez, B.; Mendoza, L.; Negret, J. P.] Univ Los Andes, Bogota, Colombia.
[Kvita, J.; Soustruznik, K.] Charles Univ Prague, Fac Math & Phys, Ctr Particle Phys, Prague, Czech Republic.
[Hubacek, Z.; Hynek, V.; Otec, R.; Simak, V.; Vokac, P.] Czech Tech Univ, CR-16635 Prague, Czech Republic.
[Kupco, A.; Lokajicek, M.] Acad Sci Czech Republic, Inst Phys, Ctr Particle Phys, Prague, Czech Republic.
[Hoeneisen, B.] Univ San Francisco Quito, Quito, Ecuador.
[Badaud, F.; Gay, P.; Gris, Ph; Lacroix, F.] Univ Clermont Ferrand, LPC, CNRS, IN2P3, Clermont, France.
[Arnoud, Y.; Martin, B.; Sajot, G.; Stark, J.] Univ Grenoble 1, CNRS, Inst Natl Polytech Grenoble, LPSC,IN2P3, Grenoble, France.
[Barfuss, A. -F.; Calpas, B.; Cousinou, M. -C.; Duperrin, A.; Geng, W.; Jamin, D.; Kajfasz, E.; Kermiche, S.; Muanza, G. S.; Nagy, E.] Aix Marseille Univ, CNRS, CPPM, IN2P3, Marseille, France.
[Calvet, S.; Duflot, L.; Grivaz, J. -F.; Jaffre, M.; Petroff, P.; Rangel, M. S.] Univ Paris 11, CNRS, LAL, IN2P3, F-91405 Orsay, France.
[Bernardi, G.; Enari, Y.; Huske, N.; Lellouch, J.] Univ Paris 06, CNRS, LPNHE, IN2P3, Paris, France.
[Bernardi, G.; Enari, Y.; Huske, N.; Lellouch, J.] Univ Paris 07, CNRS, LPNHE, IN2P3, Paris, France.
[Bassler, U.; Besancon, M.; Chevalier-Thery, S.; Couderc, F.; Deliot, F.; Grohsjean, A.; Royon, C.; Shary, V.; Titov, M.; Tuchming, B.; Vilanova, D.] SPP, CEA, Saclay, France.
[Brown, D.; Geist, W.; Greder, S.; Ripp-Baudot, I.] Univ Strasbourg, CNRS, IPHC, IN2P3, Strasbourg, France.
[Grenier, G.; Kurca, T.; Lebrun, P.; Verdier, P.] Univ Lyon 1, CNRS, IPNL, IN2P3, F-69622 Villeurbanne, France.
[Grenier, G.; Kurca, T.; Lebrun, P.; Verdier, P.] Univ Lyon, Lyon, France.
[Hebbeker, T.; Kirsch, M.; Meyer, A.; Sonnenschein, L.] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany.
[Mundal, O.] Univ Bonn, Inst Phys, D-5300 Bonn, Germany.
[Bernhard, R.; Jakobs, K.; Nilsen, H.; Torchiani, I.; Wenger, A.] Univ Freiburg, Inst Phys, Freiburg, Germany.
[Hensel, C.; Meyer, J.; Park, S. -J.; Quadt, A.; Shabalina, E.] Univ Gottingen, Inst Phys 2, Gottingen, Germany.
[Buescher, V.; Fiedler, F.; Hohlfeld, M.; Weber, G.; Wicke, D.] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany.
[Calfayan, P.; Haefner, P.; Nunnemann, T.; Sanders, M. P.; Schaile, D.; Stroehmer, R.; Tiller, B.] Univ Munich, Munich, Germany.
[Maettig, P.; Schliephake, T.; Zeitnitz, C.] Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany.
[Beri, S. B.; Bhatnagar, V.; Dutt, S.; Kohli, J. M.] Panjab Univ, Chandigarh 160014, India.
[Choudhary, B.; Dubey, A.; Naimuddin, M.; Nayyar, R.; Ranjan, K.; Shivpuri, R. K.] Univ Delhi, Delhi 110007, India.
[Acharya, B. S.; Banerjee, S.; Mondal, N. K.] Tata Inst Fundamental Res, Mumbai 400005, Maharashtra, India.
[Cwiok, M.; Gruenewald, M. W.] Univ Coll Dublin, Dublin 2, Ireland.
[Cho, S. W.; Lee, H. S.; Lim, J. K.; Park, S. K.] Korea Univ, Korea Detector Lab, Seoul, South Korea.
[Choi, S.] Sungkyunkwan Univ, Suwon, South Korea.
[Camacho-Perez, E.; Carrasco-Lizarraga, M. A.; Castilla-Valdez, H.; De La Cruz-Burelo, E.; Heredia-De La Cruz, I.; Luna-Garcia, R.; Magana-Villalba, R.; Martinez-Ortega, J.; Orduna, J.; Podesta-Lerma, P. L. M.; Sanchez-Hernandez, A.] CINVESTAV, Mexico City 14000, DF, Mexico.
[Hegeman, J. G.; Houben, P.; van den Berg, P. J.; van Leeuwen, W. M.] NIKHEF, FOM Inst, Amsterdam, Netherlands.
[Hegeman, J. G.; Houben, P.; van den Berg, P. J.; van Leeuwen, W. M.] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands.
[Ancu, L. S.; de Jong, S. J.; Filthaut, F.; Galea, C. F.; Meijer, M. M.; Svoisky, P.] Radboud Univ Nijmegen, NIKHEF, NL-6525 ED Nijmegen, Netherlands.
[Gavrilov, V.; Polozov, P.; Safronov, G.; Stolin, V.] Inst Theoret & Expt Phys, Moscow 117259, Russia.
[Boos, E. E.; Bunichev, V.; Dudko, L. V.; Karmanov, D.; Kuzmin, V. A.; Leflat, A.; Merkin, M.; Perfilov, M.; Zverev, E. G.] Moscow MV Lomonosov State Univ, Moscow, Russia.
[Bezzubov, V. A.; Denisov, S. P.; Evdokimov, V. N.; Kozelov, A. V.; Lipaev, V. V.; Popov, A. V.; Razumov, I.; Shchukin, A. A.; Stoyanova, D. A.; Vasilyev, I. A.] Inst High Energy Phys, Protvino, Russia.
[Alkhazov, G.; Lobodenko, A.; Neustroev, P.; Obrant, G.; Scheglov, Y.; Uvarov, L.; Uvarov, S.] Petersburg Nucl Phys Inst, St Petersburg, Russia.
[Asman, B.; Belanger-Champagne, C.] Stockholm Univ, S-10691 Stockholm, Sweden.
[Asman, B.; Belanger-Champagne, C.] Uppsala Univ, Uppsala, Sweden.
[Bertram, I.; Borissov, G.; Burdin, S.; Fox, H.; Love, P.; Ratoff, P. N.; Sopczak, A.; Williams, M. R. J.] Univ Lancaster, Lancaster, England.
[Bauer, D.; Beuselinck, R.; Buszello, C. P.; Christoudias, T.; Davies, G.; Hays, J.; Jesik, R.; Jonsson, P.; Osman, N.; Robinson, S.; Scanlon, T.; Vint, P.] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England.
[Harder, K.; Owen, M.; Peters, K.; Peters, Y.; Rich, P.; Schwanenberger, C.; Soeldner-Rembold, S.; Takahashi, M.; Vesterinen, M.; Wyatt, T. R.; Yang, W. -C.] Univ Manchester, Manchester M13 9PL, Lancs, England.
[Cheu, E.; Das, A.; Johns, K.; Mal, P. K.; Varnes, E. W.] Univ Arizona, Tucson, AZ 85721 USA.
[Hall, R. E.] Calif State Univ Fresno, Fresno, CA 93740 USA.
[Ellison, J.; Heinson, A. P.; Li, L.; Padilla, M.; Wimpenny, S. J.] Univ Calif Riverside, Riverside, CA 92521 USA.
[Adams, T.; Askew, A.; Atramentov, O.; Blessing, S.; Carrera, E.; Duggan, D.; Gershtein, Y.; Hagopian, S.; Hoang, T.; Sumowidagdo, S.; Wahl, H. D.] Florida State Univ, Tallahassee, FL 32306 USA.
[Aoki, M.; Bagby, L.; Baldin, B.; Bartlett, J. F.; Bellantoni, L.; Bhat, P. C.; Boehnlein, A.; Bross, A.; Casey, B. C. K.; Cihangir, S.; Cooke, M.; Cooper, W. E.; Demarteau, M.; Denisov, D.; Desai, S.; Diehl, H. T.; Diesburg, M.; Elvira, V. D.; Fisher, W.; Fisk, H. E.; Fuess, S.; Ginther, G.; Greenlee, H.; Gruenendahl, S.; Gutierrez, G.; Illingworth, R.; Ito, A. S.; Johnson, M.; Jonckheere, A.; Juste, A.; Kasper, P. A.; Khalatyan, N.; Lee, W. M.; Li, Q. Z.; Lincoln, D.; Lipton, R.; Lyon, A. L.; Penning, B.; Podstavkov, V. M.; Rubinov, P.; Sanghi, B.; Savage, G.; Stutte, L.; Verzocchi, M.; Weber, M.; Yamada, R.; Yasuda, T.; Ye, Z.; Youn, S. W.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Adams, M.; Gerber, C. E.; Strom, D.; Varelas, N.] Univ Illinois, Chicago, IL 60607 USA.
[Blazey, G.; Chakraborty, D.; Dyshkant, A.; Fortner, M.; Hedin, D.; Menezes, D.; Uzunyan, S.; Zutshi, V.] No Illinois Univ, De Kalb, IL 60115 USA.
[Buchholz, D.; Kirby, M. H.; Schellman, H.; Yacoob, S.] Northwestern Univ, Evanston, IL 60208 USA.
[Chandra, A.; Evans, H.; Lammers, S.; Parua, N.; Van Kooten, R.; Zieminska, D.] Indiana Univ, Bloomington, IN 47405 USA.
Univ Notre Dame, Notre Dame, IN 46556 USA.
[Parashar, N.] Purdue Univ Calumet, Hammond, IN 46323 USA.
[Hauptman, J. M.] Iowa State Univ, Ames, IA 50011 USA.
[Baringer, P.; Bean, A.; Clutter, J.; McGivern, C. L.; Moulik, T.; Sekaric, J.; Wilson, G. W.] Univ Kansas, Lawrence, KS 66045 USA.
[Ahsan, M.; Bandurin, D. V.; Bolton, T. A.; Kaadze, K.; Maravin, Y.; Onoprienko, D.; Shamim, M.; Sirotenko, V.] Kansas State Univ, Manhattan, KS 66506 USA.
[Arov, M.; Greenwood, Z. D.; Sawyer, L.; Wobisch, M.] Louisiana Tech Univ, Ruston, LA 71272 USA.
[Eno, S.; Ferbel, T.; Wetstein, M.] Univ Maryland, College Pk, MD 20742 USA.
[Boline, D.; Bose, T.; Cho, D. K.; Heintz, U.; Jabeen, S.; Parihar, V.] Boston Univ, Boston, MA 02215 USA.
[Alverson, G.; Barberis, E.; Facini, G.; Haley, J.; Hesketh, G.; Wood, D. R.] Northeastern Univ, Boston, MA 02115 USA.
[Alton, A.; Herner, K.; Neal, H. A.; Qian, J.; Strandberg, J.; Xu, C.; Zhou, B.] Univ Michigan, Ann Arbor, MI 48109 USA.
[Abolins, M.; Benitez, J. A.; Brock, R.; Edmunds, D.; Geng, W.; Hall, I.; Kraus, J.; Linnemann, J.; Piper, J.; Schwienhorst, R.; Unalan, R.] Michigan State Univ, E Lansing, MI 48824 USA.
[Melnitchouk, A.; Quinn, B.] Univ Mississippi, University, MS 38677 USA.
[Bloom, K.; Claes, D.; DeVaughan, K.; Dominguez, A.; Eads, M.; Johnston, D.; Katsanos, I.; Malik, S.; Snow, G. R.] Univ Nebraska, Lincoln, NE 68588 USA.
[Gerbaudo, D.; Tully, C.; Wagner, R.] Princeton Univ, Princeton, NJ 08544 USA.
[Iashvili, I.; Kharchilava, A.; Kumar, A.; Strang, M. A.] SUNY Buffalo, Buffalo, NY 14260 USA.
[Brooijmans, G.; Gadfort, T.; Haas, A.; Johnson, C.; Parsons, J.; Tuts, P. M.; Zivkovic, L.] Columbia Univ, New York, NY 10027 USA.
[Cammin, J.; Demina, R.; Ferbel, T.; Garcia-Bellido, A.; Ginther, G.; Harel, A.; Slattery, P.; Wang, M. H. L. S.; Zielinski, M.] Univ Rochester, Rochester, NY 14627 USA.
[Chakrabarti, S.; Grannis, P. D.; Guo, F.; Guo, J.; Hobbs, J. D.; Hu, Y.; McCarthy, R.; Rijssenbeek, M.; Schamberger, R. D.; Strauss, E.; Tsybychev, D.; Zhu, J.] SUNY Stony Brook, Stony Brook, NY 11794 USA.
[Begel, M.; Evdokimov, A.; Patwa, A.; Pleier, M. -A.; Protopopescu, S.; Snyder, S.; Yip, K.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Snow, J.] Langston Univ, Langston, OK 73050 USA.
[Abbott, B.; Gutierrez, P.; Hossain, S.; Jain, S.; Rominsky, M.; Severini, H.; Skubic, P.; Strauss, M.] Univ Oklahoma, Norman, OK 73019 USA.
[Khanov, A.; Rizatdinova, F.] Oklahoma State Univ, Stillwater, OK 74078 USA.
[Cutts, D.; Ferapontov, A. V.; Khatidze, D.; Landsberg, G.; Narain, M.; Pangilinan, M.; Partridge, R.; Xie, Y.; Yoo, H. D.] Brown Univ, Providence, RI 02912 USA.
[Brandt, A.; De, K.; Kaushik, V.; Sosebee, M.; Spurlock, B.; White, A.; Yu, J.] Univ Texas Arlington, Arlington, TX 76019 USA.
[Kehoe, R.; Renkel, P.] So Methodist Univ, Dallas, TX 75275 USA.
[Corcoran, M.; Mackin, D.; Padley, P.; Prewitt, M.] Rice Univ, Houston, TX 77005 USA.
[Buehler, M.; Hirosky, R.; Mulhearn, M.; Zelitch, S.] Univ Virginia, Charlottesville, VA 22901 USA.
[BackusMayes, J.; Burnett, T. H.; Dorland, T.; Goussiou, A.; Lubatti, H. J.; Schlobohm, S.; Watts, G.; Zhao, T.] Univ Washington, Seattle, WA 98195 USA.
RP Abazov, VM (reprint author), Joint Inst Nucl Res, Dubna, Russia.
RI Sharyy, Viatcheslav/F-9057-2014; Lokajicek, Milos/G-7800-2014; Kupco,
Alexander/G-9713-2014; Kozelov, Alexander/J-3812-2014; Christoudias,
Theodoros/E-7305-2015; Guo, Jun/O-5202-2015; Gerbaudo,
Davide/J-4536-2012; Li, Liang/O-1107-2015; Yip, Kin/D-6860-2013; Bolton,
Tim/A-7951-2012; Mundim, Luiz/A-1291-2012; Boos, Eduard/D-9748-2012;
Novaes, Sergio/D-3532-2012; Leflat, Alexander/D-7284-2012; Dudko,
Lev/D-7127-2012; Gutierrez, Phillip/C-1161-2011; Fisher,
Wade/N-4491-2013; De, Kaushik/N-1953-2013; Ancu, Lucian
Stefan/F-1812-2010; Alves, Gilvan/C-4007-2013; Deliot,
Frederic/F-3321-2014
OI Belanger-Champagne, Camille/0000-0003-2368-2617; Sharyy,
Viatcheslav/0000-0002-7161-2616; Christoudias,
Theodoros/0000-0001-9050-3880; Guo, Jun/0000-0001-8125-9433; Gerbaudo,
Davide/0000-0002-4463-0878; Li, Liang/0000-0001-6411-6107; Williams,
Mark/0000-0001-5448-4213; Yip, Kin/0000-0002-8576-4311; Mundim,
Luiz/0000-0001-9964-7805; Novaes, Sergio/0000-0003-0471-8549; Dudko,
Lev/0000-0002-4462-3192; De, Kaushik/0000-0002-5647-4489; Ancu, Lucian
Stefan/0000-0001-5068-6723;
FU DOE and NSF (USA); CEA and CNRS/IN2P3 (France); FASI, Rosatom and RFBR
(Russia); CNPq, FAPERJ, FAPESP and FUNDUNESP (Brazil); DAE and DST
(India); Colciencias (Colombia); CONACyT (Mexico); KRF and KOSEF
(Korea); CONICET and UBACyT (Argentina); FOM (The Netherlands); STFC and
the Royal Society (United Kingdom); MSMT and GACR (Czech Republic); CRC
Program, CFI, NSERC and WestGrid Project (Canada); BMBF and DFG
(Germany); SFI (Ireland); The Swedish Research Council (Sweden); CAS and
CNSF (China); Alexander von Humboldt Foundation (Germany)
FX We thank Kenneth Lane for useful discussions and help with
interpretation of the results within the TCSM parameter space and we
thank the staffs at Fermilab and collaborating institutions, and
acknowledge support from the DOE and NSF (USA); CEA and CNRS/IN2P3
(France); FASI, Rosatom and RFBR (Russia); CNPq, FAPERJ, FAPESP and
FUNDUNESP (Brazil); DAE and DST (India); Colciencias (Colombia); CONACyT
(Mexico); KRF and KOSEF (Korea); CONICET and UBACyT (Argentina); FOM
(The Netherlands); STFC and the Royal Society (United Kingdom); MSMT and
GACR (Czech Republic); CRC Program, CFI, NSERC and WestGrid Project
(Canada); BMBF and DFG (Germany); SFI (Ireland); The Swedish Research
Council (Sweden); CAS and CNSF (China); and the Alexander von Humboldt
Foundation (Germany).
NR 29
TC 16
Z9 16
U1 0
U2 7
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 12
PY 2010
VL 104
IS 6
AR 061801
DI 10.1103/PhysRevLett.104.061801
PG 7
WC Physics, Multidisciplinary
SC Physics
GA 554OU
UT WOS:000274445100005
ER
PT J
AU Abazov, VM
Abbott, B
Abolins, M
Acharya, BS
Adams, M
Adams, T
Aguilo, E
Alexeev, GD
Alkhazov, G
Alton, A
Alverson, G
Alves, GA
Ancu, LS
Aoki, M
Arnoud, Y
Arov, M
Askew, A
Asman, B
Atramentov, O
Avila, C
BackusMayes, J
Badaud, F
Bagby, L
Baldin, B
Bandurin, DV
Banerjee, S
Barberis, E
Barfuss, AF
Baringer, P
Barreto, J
Bartlett, JF
Bassler, U
Bauer, D
Beale, S
Bean, A
Begalli, M
Begel, M
Belanger-Champagne, C
Bellantoni, L
Benitez, JA
Beri, SB
Bernardi, G
Bernhard, R
Bertram, I
Besancon, M
Beuselinck, R
Bezzubov, VA
Bhat, PC
Bhatnagar, V
Blazey, G
Blessing, S
Bloom, K
Boehnlein, A
Boline, D
Bolton, TA
Boos, EE
Borissov, G
Bose, T
Brandt, A
Brock, R
Brooijmans, G
Bross, A
Brown, D
Bu, XB
Buchholz, D
Buehler, M
Buescher, V
Bunichev, V
Burdin, S
Burnett, TH
Buszello, CP
Calfayan, P
Calpas, B
Calvet, S
Camacho-Perez, E
Cammin, J
Carrasco-Lizarraga, MA
Carrera, E
Casey, BCK
Castilla-Valdez, H
Chakrabarti, S
Chakraborty, D
Chan, KM
Chandra, A
Cheu, E
Chevalier-Thery, S
Cho, DK
Cho, SW
Choi, S
Choudhary, B
Christoudias, T
Cihangir, S
Claes, D
Clutter, J
Cooke, M
Cooper, WE
Corcoran, M
Couderc, F
Cousinou, MC
Cutts, D
Cwiok, M
Das, A
Davies, G
De, K
de Jong, SJ
De La Cruz-Burelo, E
DeVaughan, K
Deliot, F
Demarteau, M
Demina, R
Denisov, D
Denisov, SP
Desai, S
Diehl, HT
Diesburg, M
Dominguez, A
Dorland, T
Dubey, A
Dudko, LV
Duflot, L
Duggan, D
Duperrin, A
Dutt, S
Dyshkant, A
Eads, M
Edmunds, D
Ellison, J
Elvira, VD
Enari, Y
Eno, S
Evans, H
Evdokimov, A
Evdokimov, VN
Facini, G
Ferapontov, AV
Ferbel, T
Fiedler, F
Filthaut, F
Fisher, W
Fisk, HE
Fortner, M
Fox, H
Fuess, S
Gadfort, T
Galea, CF
Garcia-Bellido, A
Gavrilov, V
Gay, P
Geist, W
Geng, W
Gerbaudo, D
Gerber, CE
Gershtein, Y
Gillberg, D
Ginther, G
Golovanov, G
Gomez, B
Goussiou, A
Grannis, PD
Greder, S
Greenlee, H
Greenwood, ZD
Gregores, EM
Grenier, G
Gris, P
Grivaz, JF
Grohsjean, A
Grunendahl, S
Grunewald, MW
Guo, F
Guo, J
Gutierrez, G
Gutierrez, P
Haas, A
Haefner, P
Hagopian, S
Haley, J
Hall, I
Han, L
Harder, K
Harel, A
Hauptman, JM
Hays, J
Hebbeker, T
Hedin, D
Hegeman, JG
Heinson, AP
Heintz, U
Hensel, C
Heredia-De La Cruz, I
Herner, K
Hesketh, G
Hildreth, MD
Hirosky, R
Hoang, T
Hobbs, JD
Hoeneisen, B
Hohlfeld, M
Hossain, S
Houben, P
Hu, Y
Hubacek, Z
Huske, N
Hynek, V
Iashvili, I
Illingworth, R
Ito, AS
Jabeen, S
Jaffre, M
Jain, S
Jamin, D
Jesik, R
Johns, K
Johnson, C
Johnson, M
Johnston, D
Jonckheere, A
Jonsson, P
Juste, A
Kajfasz, E
Karmanov, D
Kasper, PA
Katsanos, I
Kaushik, V
Kehoe, R
Kermiche, S
Khalatyan, N
Khanov, A
Kharchilava, A
Kharzheev, YN
Khatidze, D
Kirby, MH
Kirsch, M
Kohli, JM
Kozelov, AV
Kraus, J
Kumar, A
Kupco, A
Kurca, T
Kuzmin, VA
Kvita, J
Lam, D
Lammers, S
Landsberg, G
Lebrun, P
Lee, HS
Lee, WM
Leflat, A
Lellouch, J
Li, L
Li, QZ
Lietti, SM
Lim, JK
Lincoln, D
Linnemann, J
Lipaev, VV
Lipton, R
Liu, Y
Liu, Z
Lobodenko, A
Lokajicek, M
Love, P
Lubatti, HJ
Luna-Garcia, R
Lyon, AL
Maciel, AKA
Mackin, D
Mattig, P
Magana-Villalba, R
Mal, PK
Malik, S
Malyshev, VL
Maravin, Y
Martinez-Ortega, J
McCarthy, R
McGivern, CL
Meijer, MM
Melnitchouk, A
Mendoza, L
Menezes, D
Mercadante, PG
Merkin, M
Meyer, A
Meyer, J
Mondal, NK
Moulik, T
Muanza, GS
Mulhearn, M
Mundal, O
Mundim, L
Nagy, E
Naimuddin, M
Narain, M
Nayyar, R
Neal, HA
Negret, JP
Neustroev, P
Nilsen, H
Nogima, H
Novaes, SF
Nunnemann, T
Obrant, G
Onoprienko, D
Orduna, J
Osman, N
Osta, J
Otec, R
Garzon, GJOY
Owen, M
Padilla, M
Padley, P
Pangilinan, M
Parashar, N
Parihar, V
Park, SJ
Park, SK
Parsons, J
Partridge, R
Parua, N
Patwa, A
Penning, B
Perfilov, M
Peters, K
Peters, Y
Petroff, P
Piegaia, R
Piper, J
Pleier, MA
Podesta-Lerma, PLM
Podstavkov, VM
Pol, ME
Polozov, P
Popov, AV
Prewitt, M
Price, D
Protopopescu, S
Qian, J
Quadt, A
Quinn, B
Rangel, MS
Ranjan, K
Ratoff, PN
Razumov, I
Renkel, P
Rich, P
Rijssenbeek, M
Ripp-Baudot, I
Rizatdinova, F
Robinson, S
Rominsky, M
Royon, C
Rubinov, P
Ruchti, R
Safronov, G
Sajot, G
Sanchez-Hernandez, A
Sanders, MP
Sanghi, B
Savage, G
Sawyer, L
Scanlon, T
Schaile, D
Schamberger, RD
Scheglov, Y
Schellman, H
Schliephake, T
Schlobohm, S
Schwanenberger, C
Schwienhorst, R
Sekaric, J
Severini, H
Shabalina, E
Shary, V
Shchukin, AA
Shivpuri, RK
Simak, V
Sirotenko, V
Skubic, P
Slattery, P
Smirnov, D
Snow, GR
Snow, J
Snyder, S
Soldner-Rembold, S
Sonnenschein, L
Sopczak, A
Sosebee, M
Soustruznik, K
Spurlock, B
Stark, J
Stolin, V
Stoyanova, DA
Strandberg, J
Strang, MA
Strauss, E
Strauss, M
Strohmer, R
Strom, D
Stutte, L
Svoisky, P
Takahashi, M
Tanasijczuk, A
Taylor, W
Tiller, B
Titov, M
Tokmenin, VV
Tsybychev, D
Tuchming, B
Tully, C
Tuts, PM
Unalan, R
Uvarov, L
Uvarov, S
Uzunyan, S
van den Berg, PJ
Van Kooten, R
van Leeuwen, WM
Varelas, N
Varnes, EW
Vasilyev, IA
Verdier, P
Vertogradov, LS
Verzocchi, M
Vesterinen, M
Vilanova, D
Vint, P
Vokac, P
Wahl, HD
Wang, MHLS
Warchol, J
Watts, G
Wayne, M
Weber, G
Weber, M
Wetstein, M
White, A
Wicke, D
Williams, MRJ
Wilson, GW
Wimpenny, SJ
Wobisch, M
Wood, DR
Wyatt, TR
Xie, Y
Xu, C
Yacoob, S
Yamada, R
Yang, WC
Yasuda, T
Yatsunenko, YA
Ye, Z
Yin, H
Yip, K
Yoo, HD
Youn, SW
Yu, J
Zeitnitz, C
Zelitch, S
Zhao, T
Zhou, B
Zhu, J
Zielinski, M
Zieminska, D
Zivkovic, L
Zutshi, V
Zverev, EG
AF Abazov, V. M.
Abbott, B.
Abolins, M.
Acharya, B. S.
Adams, M.
Adams, T.
Aguilo, E.
Alexeev, G. D.
Alkhazov, G.
Alton, A.
Alverson, G.
Alves, G. A.
Ancu, L. S.
Aoki, M.
Arnoud, Y.
Arov, M.
Askew, A.
Asman, B.
Atramentov, O.
Avila, C.
BackusMayes, J.
Badaud, F.
Bagby, L.
Baldin, B.
Bandurin, D. V.
Banerjee, S.
Barberis, E.
Barfuss, A. -F.
Baringer, P.
Barreto, J.
Bartlett, J. F.
Bassler, U.
Bauer, D.
Beale, S.
Bean, A.
Begalli, M.
Begel, M.
Belanger-Champagne, C.
Bellantoni, L.
Benitez, J. A.
Beri, S. B.
Bernardi, G.
Bernhard, R.
Bertram, I.
Besancon, M.
Beuselinck, R.
Bezzubov, V. A.
Bhat, P. C.
Bhatnagar, V.
Blazey, G.
Blessing, S.
Bloom, K.
Boehnlein, A.
Boline, D.
Bolton, T. A.
Boos, E. E.
Borissov, G.
Bose, T.
Brandt, A.
Brock, R.
Brooijmans, G.
Bross, A.
Brown, D.
Bu, X. B.
Buchholz, D.
Buehler, M.
Buescher, V.
Bunichev, V.
Burdin, S.
Burnett, T. H.
Buszello, C. P.
Calfayan, P.
Calpas, B.
Calvet, S.
Camacho-Perez, E.
Cammin, J.
Carrasco-Lizarraga, M. A.
Carrera, E.
Casey, B. C. K.
Castilla-Valdez, H.
Chakrabarti, S.
Chakraborty, D.
Chan, K. M.
Chandra, A.
Cheu, E.
Chevalier-Thery, S.
Cho, D. K.
Cho, S. W.
Choi, S.
Choudhary, B.
Christoudias, T.
Cihangir, S.
Claes, D.
Clutter, J.
Cooke, M.
Cooper, W. E.
Corcoran, M.
Couderc, F.
Cousinou, M. -C.
Cutts, D.
Cwiok, M.
Das, A.
Davies, G.
De, K.
de Jong, S. J.
De La Cruz-Burelo, E.
DeVaughan, K.
Deliot, F.
Demarteau, M.
Demina, R.
Denisov, D.
Denisov, S. P.
Desai, S.
Diehl, H. T.
Diesburg, M.
Dominguez, A.
Dorland, T.
Dubey, A.
Dudko, L. V.
Duflot, L.
Duggan, D.
Duperrin, A.
Dutt, S.
Dyshkant, A.
Eads, M.
Edmunds, D.
Ellison, J.
Elvira, V. D.
Enari, Y.
Eno, S.
Evans, H.
Evdokimov, A.
Evdokimov, V. N.
Facini, G.
Ferapontov, A. V.
Ferbel, T.
Fiedler, F.
Filthaut, F.
Fisher, W.
Fisk, H. E.
Fortner, M.
Fox, H.
Fuess, S.
Gadfort, T.
Galea, C. F.
Garcia-Bellido, A.
Gavrilov, V.
Gay, P.
Geist, W.
Geng, W.
Gerbaudo, D.
Gerber, C. E.
Gershtein, Y.
Gillberg, D.
Ginther, G.
Golovanov, G.
Gomez, B.
Goussiou, A.
Grannis, P. D.
Greder, S.
Greenlee, H.
Greenwood, Z. D.
Gregores, E. M.
Grenier, G.
Gris, Ph.
Grivaz, J. -F.
Grohsjean, A.
Gruenendahl, S.
Gruenewald, M. W.
Guo, F.
Guo, J.
Gutierrez, G.
Gutierrez, P.
Haas, A.
Haefner, P.
Hagopian, S.
Haley, J.
Hall, I.
Han, L.
Harder, K.
Harel, A.
Hauptman, J. M.
Hays, J.
Hebbeker, T.
Hedin, D.
Hegeman, J. G.
Heinson, A. P.
Heintz, U.
Hensel, C.
Heredia-De La Cruz, I.
Herner, K.
Hesketh, G.
Hildreth, M. D.
Hirosky, R.
Hoang, T.
Hobbs, J. D.
Hoeneisen, B.
Hohlfeld, M.
Hossain, S.
Houben, P.
Hu, Y.
Hubacek, Z.
Huske, N.
Hynek, V.
Iashvili, I.
Illingworth, R.
Ito, A. S.
Jabeen, S.
Jaffre, M.
Jain, S.
Jamin, D.
Jesik, R.
Johns, K.
Johnson, C.
Johnson, M.
Johnston, D.
Jonckheere, A.
Jonsson, P.
Juste, A.
Kajfasz, E.
Karmanov, D.
Kasper, P. A.
Katsanos, I.
Kaushik, V.
Kehoe, R.
Kermiche, S.
Khalatyan, N.
Khanov, A.
Kharchilava, A.
Kharzheev, Y. N.
Khatidze, D.
Kirby, M. H.
Kirsch, M.
Kohli, J. M.
Kozelov, A. V.
Kraus, J.
Kumar, A.
Kupco, A.
Kurca, T.
Kuzmin, V. A.
Kvita, J.
Lam, D.
Lammers, S.
Landsberg, G.
Lebrun, P.
Lee, H. S.
Lee, W. M.
Leflat, A.
Lellouch, J.
Li, L.
Li, Q. Z.
Lietti, S. M.
Lim, J. K.
Lincoln, D.
Linnemann, J.
Lipaev, V. V.
Lipton, R.
Liu, Y.
Liu, Z.
Lobodenko, A.
Lokajicek, M.
Love, P.
Lubatti, H. J.
Luna-Garcia, R.
Lyon, A. L.
Maciel, A. K. A.
Mackin, D.
Maettig, P.
Magana-Villalba, R.
Mal, P. K.
Malik, S.
Malyshev, V. L.
Maravin, Y.
Martinez-Ortega, J.
McCarthy, R.
McGivern, C. L.
Meijer, M. M.
Melnitchouk, A.
Mendoza, L.
Menezes, D.
Mercadante, P. G.
Merkin, M.
Meyer, A.
Meyer, J.
Mondal, N. K.
Moulik, T.
Muanza, G. S.
Mulhearn, M.
Mundal, O.
Mundim, L.
Nagy, E.
Naimuddin, M.
Narain, M.
Nayyar, R.
Neal, H. A.
Negret, J. P.
Neustroev, P.
Nilsen, H.
Nogima, H.
Novaes, S. F.
Nunnemann, T.
Obrant, G.
Onoprienko, D.
Orduna, J.
Osman, N.
Osta, J.
Otec, R.
Otero y Garzon, G. J.
Owen, M.
Padilla, M.
Padley, P.
Pangilinan, M.
Parashar, N.
Parihar, V.
Park, S. -J.
Park, S. K.
Parsons, J.
Partridge, R.
Parua, N.
Patwa, A.
Penning, B.
Perfilov, M.
Peters, K.
Peters, Y.
Petroff, P.
Piegaia, R.
Piper, J.
Pleier, M. -A.
Podesta-Lerma, P. L. M.
Podstavkov, V. M.
Pol, M. -E.
Polozov, P.
Popov, A. V.
Prewitt, M.
Price, D.
Protopopescu, S.
Qian, J.
Quadt, A.
Quinn, B.
Rangel, M. S.
Ranjan, K.
Ratoff, P. N.
Razumov, I.
Renkel, P.
Rich, P.
Rijssenbeek, M.
Ripp-Baudot, I.
Rizatdinova, F.
Robinson, S.
Rominsky, M.
Royon, C.
Rubinov, P.
Ruchti, R.
Safronov, G.
Sajot, G.
Sanchez-Hernandez, A.
Sanders, M. P.
Sanghi, B.
Savage, G.
Sawyer, L.
Scanlon, T.
Schaile, D.
Schamberger, R. D.
Scheglov, Y.
Schellman, H.
Schliephake, T.
Schlobohm, S.
Schwanenberger, C.
Schwienhorst, R.
Sekaric, J.
Severini, H.
Shabalina, E.
Shary, V.
Shchukin, A. A.
Shivpuri, R. K.
Simak, V.
Sirotenko, V.
Skubic, P.
Slattery, P.
Smirnov, D.
Snow, G. R.
Snow, J.
Snyder, S.
Soeldner-Rembold, S.
Sonnenschein, L.
Sopczak, A.
Sosebee, M.
Soustruznik, K.
Spurlock, B.
Stark, J.
Stolin, V.
Stoyanova, D. A.
Strandberg, J.
Strang, M. A.
Strauss, E.
Strauss, M.
Stroehmer, R.
Strom, D.
Stutte, L.
Svoisky, P.
Takahashi, M.
Tanasijczuk, A.
Taylor, W.
Tiller, B.
Titov, M.
Tokmenin, V. V.
Tsybychev, D.
Tuchming, B.
Tully, C.
Tuts, P. M.
Unalan, R.
Uvarov, L.
Uvarov, S.
Uzunyan, S.
van den Berg, P. J.
Van Kooten, R.
van Leeuwen, W. M.
Varelas, N.
Varnes, E. W.
Vasilyev, I. A.
Verdier, P.
Vertogradov, L. S.
Verzocchi, M.
Vesterinen, M.
Vilanova, D.
Vint, P.
Vokac, P.
Wahl, H. D.
Wang, M. H. L. S.
Warchol, J.
Watts, G.
Wayne, M.
Weber, G.
Weber, M.
Wetstein, M.
White, A.
Wicke, D.
Williams, M. R. J.
Wilson, G. W.
Wimpenny, S. J.
Wobisch, M.
Wood, D. R.
Wyatt, T. R.
Xie, Y.
Xu, C.
Yacoob, S.
Yamada, R.
Yang, W. -C.
Yasuda, T.
Yatsunenko, Y. A.
Ye, Z.
Yin, H.
Yip, K.
Yoo, H. D.
Youn, S. W.
Yu, J.
Zeitnitz, C.
Zelitch, S.
Zhao, T.
Zhou, B.
Zhu, J.
Zielinski, M.
Zieminska, D.
Zivkovic, L.
Zutshi, V.
Zverev, E. G.
CA D0 Collaboration
TI Search for Higgs Boson Production in Dilepton and Missing Energy Final
States with 5.4 fb(-1) of p(p)over-bar Collisions at root s=1.96 TeV
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID STANDARD MODEL
AB A search for the standard model Higgs boson is presented using events with two charged leptons and large missing transverse energy selected from 5.4 fb(-1) of integrated luminosity in p ($) over bar collisions at root s = 1.96 TeV collected with the D0 detector at the Fermilab Tevatron collider. No significant excess of events above background predictions is found, and observed (expected) upper limits at 95% confidence level on the rate of Higgs boson production are derived that are a factor of 1.55 (1.36) above the predicted standard model cross section at m(H) = 165 GeV.
C1 [Abazov, V. M.; Alexeev, G. D.; Golovanov, G.; Kharzheev, Y. N.; Malyshev, V. L.; Tokmenin, V. V.; Vertogradov, L. S.; Yatsunenko, Y. A.] Joint Inst Nucl Res, Dubna, Russia.
[Otero y Garzon, G. J.; Piegaia, R.; Tanasijczuk, A.] Univ Buenos Aires, Buenos Aires, DF, Argentina.
[Alves, G. A.; Barreto, J.; Maciel, A. K. A.; Pol, M. -E.] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil.
[Begalli, M.; Mundim, L.; Nogima, H.] Univ Estado Rio de Janeiro, BR-20550011 Rio De Janeiro, Brazil.
[Gregores, E. M.; Mercadante, P. G.] Univ Fed ABC, Santo Andre, Brazil.
[Lietti, S. M.; Novaes, S. F.] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil.
[Aguilo, E.; Beale, S.; Gillberg, D.; Liu, Z.; Taylor, W.] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada.
[Aguilo, E.; Beale, S.; Gillberg, D.; Liu, Z.; Taylor, W.] York Univ, Toronto, ON M3J 2R7, Canada.
[Bu, X. B.; Han, L.; Liu, Y.; Yin, H.] Univ Sci & Technol China, Hefei 230026, Peoples R China.
[Avila, C.; Gomez, B.; Mendoza, L.; Negret, J. P.] Univ Los Andes, Bogota, Colombia.
[Kvita, J.; Soustruznik, K.] Charles Univ Prague, Fac Math & Phys, Ctr Particle Phys, Prague, Czech Republic.
[Hubacek, Z.; Hynek, V.; Otec, R.; Simak, V.; Vokac, P.] Czech Tech Univ, CR-16635 Prague, Czech Republic.
[Kupco, A.; Lokajicek, M.] Acad Sci Czech Republic, Inst Phys, Ctr Particle Phys, Prague, Czech Republic.
[Hoeneisen, B.] Univ San Francisco Quito, Quito, Ecuador.
[Badaud, F.; Gay, P.; Gris, Ph.] Univ Clermont Ferrand, CNRS, IN2P3, LPC, Clermont, France.
[Arnoud, Y.; Sajot, G.; Stark, J.] Univ Grenoble 1, CNRS, IN2P3, Inst Natl Polytech Grenoble,LPSC, Grenoble, France.
[Barfuss, A. -F.; Calpas, B.; Cousinou, M. -C.; Duperrin, A.; Geng, W.; Jamin, D.; Kajfasz, E.; Kermiche, S.; Muanza, G. S.; Nagy, E.] Aix Marseille Univ, CNRS, IN2P3, CPPM, Marseille, France.
[Calvet, S.; Duflot, L.; Grivaz, J. -F.; Jaffre, M.; Petroff, P.; Rangel, M. S.] Univ Paris 11, CNRS, IN2P3, LAL, F-91405 Orsay, France.
[Bernardi, G.; Enari, Y.; Huske, N.; Lellouch, J.] Univ Paris 06, CNRS, IN2P3, LPNHE, Paris, France.
[Bernardi, G.; Enari, Y.; Huske, N.; Lellouch, J.] Univ Paris 07, Paris, France.
[Bassler, U.; Besancon, M.; Chevalier-Thery, S.; Couderc, F.; Deliot, F.; Grohsjean, A.; Royon, C.; Shary, V.; Titov, M.; Tuchming, B.; Vilanova, D.] CEA, Irfu, SPP, Saclay, France.
[Brown, D.; Geist, W.; Greder, S.; Ripp-Baudot, I.] Univ Strasbourg, CNRS, IN2P3, IPHC, Strasbourg, France.
[Grenier, G.; Kurca, T.; Lebrun, P.; Verdier, P.] Univ Lyon 1, CNRS, IN2P3, IPNL, F-69622 Villeurbanne, France.
[Grenier, G.; Kurca, T.; Lebrun, P.; Verdier, P.] Univ Lyon, Lyon, France.
[Hebbeker, T.; Kirsch, M.; Meyer, A.; Sonnenschein, L.] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany.
[Mundal, O.] Univ Bonn, Inst Phys, D-5300 Bonn, Germany.
[Bernhard, R.; Nilsen, H.] Univ Freiburg, Inst Phys, Freiburg, Germany.
[Hensel, C.; Meyer, J.; Park, S. -J.; Quadt, A.; Shabalina, E.] Univ Gottingen, Inst Phys 2, Gottingen, Germany.
[Buescher, V.; Fiedler, F.; Hohlfeld, M.; Weber, G.; Wicke, D.] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany.
[Calfayan, P.; Haefner, P.; Nunnemann, T.; Sanders, M. P.; Schaile, D.; Stroehmer, R.; Tiller, B.] Univ Munich, Munich, Germany.
[Maettig, P.; Schliephake, T.; Zeitnitz, C.] Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany.
[Beri, S. B.; Bhatnagar, V.; Dutt, S.; Kohli, J. M.] Panjab Univ, Chandigarh 160014, India.
[Choudhary, B.; Dubey, A.; Naimuddin, M.; Nayyar, R.; Ranjan, K.; Shivpuri, R. K.] Univ Delhi, Delhi 110007, India.
[Acharya, B. S.; Banerjee, S.; Mondal, N. K.] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India.
[Cwiok, M.; Gruenewald, M. W.] Univ Coll Dublin, Dublin 2, Ireland.
[Cho, S. W.; Lee, H. S.; Lim, J. K.; Park, S. K.] Korea Univ, Korea Detector Lab, Seoul, South Korea.
[Choi, S.] Sungkyunkwan Univ, Suwon, South Korea.
[Camacho-Perez, E.; Carrasco-Lizarraga, M. A.; Castilla-Valdez, H.; De La Cruz-Burelo, E.; Heredia-De La Cruz, I.; Luna-Garcia, R.; Magana-Villalba, R.; Martinez-Ortega, J.; Orduna, J.; Podesta-Lerma, P. L. M.; Sanchez-Hernandez, A.] CINVESTAV, Mexico City 14000, DF, Mexico.
[Hegeman, J. G.; Houben, P.; van den Berg, P. J.; van Leeuwen, W. M.] NIKHEF, FOM Inst, Amsterdam, Netherlands.
[Hegeman, J. G.; Houben, P.; van den Berg, P. J.; van Leeuwen, W. M.] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands.
[Ancu, L. S.; de Jong, S. J.; Filthaut, F.; Galea, C. F.; Meijer, M. M.; Svoisky, P.] Radboud Univ Nijmegen, NIKHEF, NL-6525 ED Nijmegen, Netherlands.
[Gavrilov, V.; Polozov, P.; Safronov, G.; Stolin, V.] Inst Theoret & Expt Phys, Moscow 117259, Russia.
[Boos, E. E.; Bunichev, V.; Dudko, L. V.; Karmanov, D.; Kuzmin, V. A.; Leflat, A.; Merkin, M.; Perfilov, M.; Zverev, E. G.] Moscow MV Lomonosov State Univ, Moscow, Russia.
[Bezzubov, V. A.; Denisov, S. P.; Evdokimov, V. N.; Kozelov, A. V.; Lipaev, V. V.; Popov, A. V.; Razumov, I.; Shchukin, A. A.; Stoyanova, D. A.; Vasilyev, I. A.] Inst High Energy Phys, Protvino, Russia.
[Alkhazov, G.; Lobodenko, A.; Neustroev, P.; Obrant, G.; Scheglov, Y.; Uvarov, L.; Uvarov, S.] Petersburg Nucl Phys Inst, St Petersburg, Russia.
[Asman, B.; Belanger-Champagne, C.] Uppsala Univ, Uppsala, Sweden.
[Asman, B.; Belanger-Champagne, C.] Stockholm Univ, S-10691 Stockholm, Sweden.
[Bertram, I.; Borissov, G.; Burdin, S.; Fox, H.; Love, P.; Ratoff, P. N.; Sopczak, A.; Williams, M. R. J.] Univ Lancaster, Lancaster, England.
[Bauer, D.; Beuselinck, R.; Buszello, C. P.; Christoudias, T.; Davies, G.; Hays, J.; Jesik, R.; Jonsson, P.; Osman, N.; Robinson, S.; Scanlon, T.; Vint, P.] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England.
[Harder, K.; Owen, M.; Peters, K.; Peters, Y.; Rich, P.; Schwanenberger, C.; Soeldner-Rembold, S.; Takahashi, M.; Vesterinen, M.; Wyatt, T. R.; Yang, W. -C.] Univ Manchester, Manchester M13 9PL, Lancs, England.
[Cheu, E.; Das, A.; Johns, K.; Mal, P. K.; Varnes, E. W.] Univ Arizona, Tucson, AZ 85721 USA.
[Ellison, J.; Heinson, A. P.; Li, L.; Padilla, M.; Wimpenny, S. J.] Univ Calif Riverside, Riverside, CA 92521 USA.
[Adams, T.; Askew, A.; Blessing, S.; Carrera, E.; Hagopian, S.; Hoang, T.; Wahl, H. D.] Florida State Univ, Tallahassee, FL 32306 USA.
[Aoki, M.; Bagby, L.; Baldin, B.; Bartlett, J. F.; Bellantoni, L.; Bhat, P. C.; Boehnlein, A.; Bross, A.; Casey, B. C. K.; Cihangir, S.; Cooke, M.; Cooper, W. E.; Demarteau, M.; Denisov, D.; Desai, S.; Diehl, H. T.; Diesburg, M.; Elvira, V. D.; Fisk, H. E.; Fuess, S.; Ginther, G.; Greenlee, H.; Gruenendahl, S.; Gutierrez, G.; Illingworth, R.; Ito, A. S.; Johnson, M.; Jonckheere, A.; Juste, A.; Kasper, P. A.; Khalatyan, N.; Lee, W. M.; Li, Q. Z.; Lincoln, D.; Lipton, R.; Lyon, A. L.; Penning, B.; Podstavkov, V. M.; Rubinov, P.; Sanghi, B.; Savage, G.; Sirotenko, V.; Stutte, L.; Verzocchi, M.; Weber, M.; Xie, Y.; Yamada, R.; Yasuda, T.; Ye, Z.; Youn, S. W.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Adams, M.; Gerber, C. E.; Strom, D.; Varelas, N.] Univ Illinois, Chicago, IL 60607 USA.
[Blazey, G.; Chakraborty, D.; Dyshkant, A.; Fortner, M.; Hedin, D.; Menezes, D.; Uzunyan, S.; Zutshi, V.] No Illinois Univ, De Kalb, IL 60115 USA.
[Buchholz, D.; Kirby, M. H.; Schellman, H.; Yacoob, S.] Northwestern Univ, Evanston, IL 60208 USA.
[Chandra, A.; Evans, H.; Lammers, S.; Parua, N.; Price, D.; Van Kooten, R.; Zieminska, D.] Indiana Univ, Bloomington, IN 47405 USA.
[Parashar, N.] Purdue Univ Calumet, Hammond, IN 46323 USA.
[Chan, K. M.; Hildreth, M. D.; Lam, D.; Osta, J.; Ruchti, R.; Smirnov, D.; Warchol, J.; Wayne, M.] Univ Notre Dame, Notre Dame, IN 46556 USA.
[Hauptman, J. M.] Iowa State Univ, Ames, IA 50011 USA.
[Baringer, P.; Bean, A.; Clutter, J.; McGivern, C. L.; Moulik, T.; Sekaric, J.; Wilson, G. W.] Univ Kansas, Lawrence, KS 66045 USA.
[Bandurin, D. V.; Bolton, T. A.; Maravin, Y.; Onoprienko, D.] Kansas State Univ, Manhattan, KS 66506 USA.
[Arov, M.; Greenwood, Z. D.; Sawyer, L.; Wobisch, M.] Louisiana Tech Univ, Ruston, LA 71272 USA.
[Eno, S.; Wetstein, M.] Univ Maryland, College Pk, MD 20742 USA.
[Boline, D.; Bose, T.; Cho, D. K.; Ferbel, T.; Jabeen, S.] Boston Univ, Boston, MA 02215 USA.
[Alverson, G.; Barberis, E.; Facini, G.; Haley, J.; Hesketh, G.; Wood, D. R.] Northeastern Univ, Boston, MA 02115 USA.
[Herner, K.; Neal, H. A.; Qian, J.; Strandberg, J.; Xu, C.; Zhou, B.] Univ Michigan, Ann Arbor, MI 48109 USA.
[Abolins, M.; Alton, A.; Benitez, J. A.; Brock, R.; Edmunds, D.; Fisher, W.; Geng, W.; Hall, I.; Kraus, J.; Linnemann, J.; Piper, J.; Schwienhorst, R.; Unalan, R.] Michigan State Univ, E Lansing, MI 48824 USA.
[Melnitchouk, A.; Quinn, B.] Univ Mississippi, University, MS 38677 USA.
[Bloom, K.; Claes, D.; DeVaughan, K.; Dominguez, A.; Eads, M.; Johnston, D.; Katsanos, I.; Malik, S.; Snow, G. R.] Univ Nebraska, Lincoln, NE 68588 USA.
[Atramentov, O.; Duggan, D.; Gershtein, Y.] Rutgers State Univ, Piscataway, NJ 08855 USA.
[Gerbaudo, D.; Tully, C.] Princeton Univ, Princeton, NJ 08544 USA.
[Iashvili, I.; Jain, S.; Kharchilava, A.; Kumar, A.; Strang, M. A.] SUNY Buffalo, Buffalo, NY 14260 USA.
[Brooijmans, G.; Haas, A.; Johnson, C.; Parsons, J.; Tuts, P. M.; Zivkovic, L.] Columbia Univ, New York, NY 10027 USA.
[Cammin, J.; Demina, R.; Ferbel, T.; Garcia-Bellido, A.; Ginther, G.; Harel, A.; Slattery, P.; Wang, M. H. L. S.; Zielinski, M.] Univ Rochester, Rochester, NY 14627 USA.
[Chakrabarti, S.; Grannis, P. D.; Guo, F.; Guo, J.; Hobbs, J. D.; Hu, Y.; McCarthy, R.; Rijssenbeek, M.; Schamberger, R. D.; Strauss, E.; Tsybychev, D.; Zhu, J.] SUNY Stony Brook, Stony Brook, NY 11794 USA.
[Begel, M.; Evdokimov, A.; Gadfort, T.; Patwa, A.; Pleier, M. -A.; Protopopescu, S.; Snyder, S.; Yip, K.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Snow, J.] Langston Univ, Langston, OK 73050 USA.
[Abbott, B.; Gutierrez, P.; Hossain, S.; Rominsky, M.; Severini, H.; Skubic, P.; Strauss, M.] Univ Oklahoma, Norman, OK 73019 USA.
[Khanov, A.; Rizatdinova, F.] Oklahoma State Univ, Stillwater, OK 74078 USA.
[Cutts, D.; Ferapontov, A. V.; Heintz, U.; Khatidze, D.; Landsberg, G.; Narain, M.; Pangilinan, M.; Parihar, V.; Partridge, R.; Yoo, H. D.] Brown Univ, Providence, RI 02912 USA.
[Brandt, A.; De, K.; Kaushik, V.; Sosebee, M.; Spurlock, B.; White, A.; Yu, J.] Univ Texas Arlington, Arlington, TX 76019 USA.
[Kehoe, R.; Renkel, P.] So Methodist Univ, Dallas, TX 75275 USA.
[Corcoran, M.; Mackin, D.; Padley, P.; Prewitt, M.] Rice Univ, Houston, TX 77005 USA.
[Buehler, M.; Hirosky, R.; Mulhearn, M.; Zelitch, S.] Univ Virginia, Charlottesville, VA 22901 USA.
[BackusMayes, J.; Burnett, T. H.; Dorland, T.; Goussiou, A.; Lubatti, H. J.; Schlobohm, S.; Watts, G.; Zhao, T.] Univ Washington, Seattle, WA 98195 USA.
RP Abazov, VM (reprint author), Joint Inst Nucl Res, Dubna, Russia.
RI Li, Liang/O-1107-2015; Ancu, Lucian Stefan/F-1812-2010; Gutierrez,
Phillip/C-1161-2011; Bolton, Tim/A-7951-2012; bu, xuebing/D-1121-2012;
Dudko, Lev/D-7127-2012; Leflat, Alexander/D-7284-2012; Perfilov,
Maxim/E-1064-2012; Boos, Eduard/D-9748-2012; Merkin,
Mikhail/D-6809-2012; Novaes, Sergio/D-3532-2012; Mercadante,
Pedro/K-1918-2012; Mundim, Luiz/A-1291-2012; Yip, Kin/D-6860-2013;
Fisher, Wade/N-4491-2013; De, Kaushik/N-1953-2013; Alves,
Gilvan/C-4007-2013; Deliot, Frederic/F-3321-2014; Sharyy,
Viatcheslav/F-9057-2014; Lokajicek, Milos/G-7800-2014; Kupco,
Alexander/G-9713-2014; Kozelov, Alexander/J-3812-2014; Christoudias,
Theodoros/E-7305-2015; Guo, Jun/O-5202-2015; Gerbaudo,
Davide/J-4536-2012
OI Li, Liang/0000-0001-6411-6107; Ancu, Lucian Stefan/0000-0001-5068-6723;
Dudko, Lev/0000-0002-4462-3192; Novaes, Sergio/0000-0003-0471-8549;
Mundim, Luiz/0000-0001-9964-7805; Yip, Kin/0000-0002-8576-4311; De,
Kaushik/0000-0002-5647-4489; Sharyy, Viatcheslav/0000-0002-7161-2616;
Christoudias, Theodoros/0000-0001-9050-3880; Guo,
Jun/0000-0001-8125-9433; Gerbaudo, Davide/0000-0002-4463-0878
FU DOE and NSF (USA); CEA and CNRS/ IN2P3 (France); FASI, Rosatom and RFBR
(Russia); CNPq, FAPERJ, FAPESP and FUNDUNESP (Brazil); DAE and DST
(India); Colciencias (Colombia); CONACyT (Mexico); KRF and KOSEF
(Korea); CONICET and UBACyT (Argentina); FOM (The Netherlands); STFC and
the Royal Society (United Kingdom); MSMT and GACR (Czech Republic); CRC
Program, CFI, NSERC and WestGrid Project (Canada); BMBF and DFG
(Germany); SFI (Ireland); The Swedish Research Council (Sweden); CAS and
CNSF (China)
FX We thank the staffs at Fermilab and collaborating institutions, and
acknowledge support from the DOE and NSF (USA); CEA and CNRS/ IN2P3
(France); FASI, Rosatom and RFBR (Russia); CNPq, FAPERJ, FAPESP and
FUNDUNESP (Brazil); DAE and DST (India); Colciencias (Colombia); CONACyT
(Mexico); KRF and KOSEF (Korea); CONICET and UBACyT (Argentina); FOM
(The Netherlands); STFC and the Royal Society (United Kingdom); MSMT and
GACR (Czech Republic); CRC Program, CFI, NSERC and WestGrid Project
(Canada); BMBF and DFG (Germany); SFI (Ireland); The Swedish Research
Council (Sweden); and CAS and CNSF (China).
NR 39
TC 27
Z9 27
U1 1
U2 7
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 12
PY 2010
VL 104
IS 6
AR 061804
DI 10.1103/PhysRevLett.104.061804
PG 7
WC Physics, Multidisciplinary
SC Physics
GA 554OU
UT WOS:000274445100008
PM 20366814
ER
PT J
AU Alver, B
Back, BB
Baker, MD
Ballintijn, M
Barton, DS
Betts, RR
Bickley, AA
Bindel, R
Busza, W
Carroll, A
Chai, Z
Chetluru, V
Decowski, MP
Garcia, E
Gburek, T
George, N
Gulbrandsen, K
Halliwell, C
Hamblen, J
Hauer, M
Henderson, C
Hofman, DJ
Hollis, RS
Holynski, R
Holzman, B
Iordanova, A
Johnson, E
Kane, JL
Khan, N
Kulinich, P
Kuo, CM
Li, W
Lin, WT
Loizides, C
Manly, S
Mignerey, AC
Nouicer, R
Olszewski, A
Pak, R
Reed, C
Roland, C
Roland, G
Sagerer, J
Seals, H
Sedykh, I
Smith, CE
Stankiewicz, MA
Steinberg, P
Stephans, GSF
Sukhanov, A
Tonjes, MB
Trzupek, A
Vale, C
van Nieuwenhuizen, GJ
Vaurynovich, SS
Verdier, R
Veres, GI
Walters, P
Wenger, E
Wolfs, FLH
Wosiek, B
Wozniak, K
Wyslouch, B
AF Alver, B.
Back, B. B.
Baker, M. D.
Ballintijn, M.
Barton, D. S.
Betts, R. R.
Bickley, A. A.
Bindel, R.
Busza, W.
Carroll, A.
Chai, Z.
Chetluru, V.
Decowski, M. P.
Garcia, E.
Gburek, T.
George, N.
Gulbrandsen, K.
Halliwell, C.
Hamblen, J.
Hauer, M.
Henderson, C.
Hofman, D. J.
Hollis, R. S.
Holynski, R.
Holzman, B.
Iordanova, A.
Johnson, E.
Kane, J. L.
Khan, N.
Kulinich, P.
Kuo, C. M.
Li, W.
Lin, W. T.
Loizides, C.
Manly, S.
Mignerey, A. C.
Nouicer, R.
Olszewski, A.
Pak, R.
Reed, C.
Roland, C.
Roland, G.
Sagerer, J.
Seals, H.
Sedykh, I.
Smith, C. E.
Stankiewicz, M. A.
Steinberg, P.
Stephans, G. S. F.
Sukhanov, A.
Tonjes, M. B.
Trzupek, A.
Vale, C.
van Nieuwenhuizen, G. J.
Vaurynovich, S. S.
Verdier, R.
Veres, G. I.
Walters, P.
Wenger, E.
Wolfs, F. L. H.
Wosiek, B.
Wozniak, K.
Wyslouch, B.
TI High Transverse Momentum Triggered Correlations over a Large
Pseudorapidity Acceptance in Au plus Au Collisions at root s(NN)=200 GeV
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
AB A measurement of two-particle correlations with a high transverse momentum trigger particle (p(T)(trig) > 2.5 GeV/c) is presented for Au + Au collisions at root s(NN) = 200 GeV over the uniquely broad longitudinal acceptance of the PHOBOS detector (-4 < Delta eta < 2). A broadening of the away-side azimuthal correlation compared to elementary collisions is observed at all Delta eta. As in p + p collisions, the near side is characterized by a peak of correlated partners at small angle relative to the trigger particle. However, in central Au + Au collisions an additional correlation extended in Delta eta and known as the "ridge'' is found to reach at least vertical bar Delta eta vertical bar approximate to 4. The ridge yield is largely independent of Delta eta over the measured range, and it decreases towards more peripheral collisions. For the chosen p(T)(trig) cut, the ridge yield is consistent with zero for events with less than roughly 100 participating nucleons.
C1 [Alver, B.; Ballintijn, M.; Busza, W.; Decowski, M. P.; Gulbrandsen, K.; Henderson, C.; Kane, J. L.; Kulinich, P.; Li, W.; Loizides, C.; Reed, C.; Roland, C.; Roland, G.; Stephans, G. S. F.; Vale, C.; van Nieuwenhuizen, G. J.; Vaurynovich, S. S.; Verdier, R.; Veres, G. I.; Wenger, E.; Wyslouch, B.] MIT, Cambridge, MA 02139 USA.
[Back, B. B.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Baker, M. D.; Barton, D. S.; Carroll, A.; Chai, Z.; George, N.; Hauer, M.; Holzman, B.; Nouicer, R.; Pak, R.; Seals, H.; Sedykh, I.; Stankiewicz, M. A.; Steinberg, P.; Sukhanov, A.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Gburek, T.; Holynski, R.; Olszewski, A.; Trzupek, A.; Wosiek, B.; Wozniak, K.] Inst Nucl Phys PAN, Krakow, Poland.
[Kuo, C. M.; Lin, W. T.] Natl Cent Univ, Chungli 32054, Taiwan.
[Betts, R. R.; Chetluru, V.; Garcia, E.; Halliwell, C.; Hofman, D. J.; Hollis, R. S.; Iordanova, A.; Nouicer, R.; Sagerer, J.; Smith, C. E.] Univ Illinois, Chicago, IL 60607 USA.
[Bickley, A. A.; Bindel, R.; Mignerey, A. C.; Tonjes, M. B.] Univ Maryland, College Pk, MD 20742 USA.
[Hamblen, J.; Johnson, E.; Khan, N.; Manly, S.; Walters, P.; Wolfs, F. L. H.] Univ Rochester, Rochester, NY 14627 USA.
RP Alver, B (reprint author), MIT, 77 Massachusetts Ave, Cambridge, MA 02139 USA.
RI Decowski, Patrick/A-4341-2011; Mignerey, Alice/D-6623-2011;
OI Holzman, Burt/0000-0001-5235-6314
FU U.S. DOE [DE-AC02-98CH10886, DE-FG02-93ER40802, DE-FG02-94ER40818,
DE-FG02-94ER40865, DE-FG02-99ER41099, DE-AC02-06CH11357]; U.S. NSF
[9603486, 0072204, 0245011]; Polish MNiSW [N202 282234]; NSC of Taiwan
NSC 89-2112-M-008-024; Hungarian OTKA [F 049823]
FX This work was partially supported by U.S. DOE Grants No.
DE-AC02-98CH10886, No. DE-FG02-93ER40802, No. DE-FG02-94ER40818, No.
DE-FG02-94ER40865, No. DE-FG02-99ER41099, and No. DE-AC02-06CH11357, by
U.S. NSF Grants No. 9603486, No. 0072204, and No. 0245011, by Polish
MNiSW Grant No. N202 282234 (2008-2010), by NSC of Taiwan Contract No.
NSC 89-2112-M-008-024, and by Hungarian OTKA Grant No. F 049823.
NR 26
TC 118
Z9 118
U1 0
U2 3
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 12
PY 2010
VL 104
IS 6
AR 062301
DI 10.1103/PhysRevLett.104.062301
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 554OU
UT WOS:000274445100009
ER
PT J
AU Hau-Riege, SP
Boutet, S
Barty, A
Bajt, S
Bogan, MJ
Frank, M
Andreasson, J
Iwan, B
Seibert, MM
Hajdu, J
Sakdinawat, A
Schulz, J
Treusch, R
Chapman, HN
AF Hau-Riege, Stefan P.
Boutet, Sebastien
Barty, Anton
Bajt, Sasa
Bogan, Michael J.
Frank, Matthias
Andreasson, Jakob
Iwan, Bianca
Seibert, M. Marvin
Hajdu, Janos
Sakdinawat, Anne
Schulz, Joachim
Treusch, Rolf
Chapman, Henry N.
TI Sacrificial Tamper Slows Down Sample Explosion in FLASH Diffraction
Experiments
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID FREE-ELECTRON LASER; RAY; HOLOGRAPHY
AB Intense and ultrashort x-ray pulses from free-electron lasers open up the possibility for near-atomic resolution imaging without the need for crystallization. Such experiments require high photon fluences and pulses shorter than the time to destroy the sample. We describe results with a new femtosecond pump-probe diffraction technique employing coherent 0.1 keV x rays from the FLASH soft x-ray free-electron laser. We show that the lifetime of a nanostructured sample can be extended to several picoseconds by a tamper layer to dampen and quench the sample explosion, making <1 nm resolution imaging feasible.
C1 [Hau-Riege, Stefan P.; Barty, Anton; Frank, Matthias] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Boutet, Sebastien; Bogan, Michael J.] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA.
[Bajt, Sasa; Treusch, Rolf] Deutsch Elektronen Synchrotron DESY, HASYLAB, D-22607 Hamburg, Germany.
[Andreasson, Jakob; Iwan, Bianca; Seibert, M. Marvin; Hajdu, Janos] Uppsala Univ, Dept Cell & Mol Biol, Lab Mol Biophys, SE-75124 Uppsala, Sweden.
[Sakdinawat, Anne] Univ Calif Berkeley, Berkeley, CA 94720 USA.
[Barty, Anton; Schulz, Joachim; Chapman, Henry N.] DESY, Ctr Free Elect Laser Sci, D-22607 Hamburg, Germany.
[Chapman, Henry N.] Univ Hamburg, D-22761 Hamburg, Germany.
RP Hau-Riege, SP (reprint author), Lawrence Livermore Natl Lab, 7000 E Ave, Livermore, CA 94550 USA.
EM hauriege1@llnl.gov
RI Chapman, Henry/G-2153-2010; Bajt, Sasa/G-2228-2010; Bogan,
Mike/I-6962-2012; Barty, Anton/K-5137-2014; Frank, Matthias/O-9055-2014;
Treusch, Rolf/C-3935-2015;
OI Chapman, Henry/0000-0002-4655-1743; Bogan, Mike/0000-0001-9318-3333;
Barty, Anton/0000-0003-4751-2727; Seibert, Mark
Marvin/0000-0003-0251-0744
FU U.S. Department of Energy [DE-AC5207NA27344]; SLAC National Accelerator
Laboratory [DE-AC02-76SF00515]; Deutsches Elektronen-Synchrotron;
Helmholtz Association; Helmholtz Society; Joachim Herz Stiftung; Swedish
Research Council
FX We would like to thank the scientific and technical staff at FLASH at
DESY. Also thanks to C. Bostedt, T. Moller, H. Thomas, D. Rupp, S.
Schorb, M. Adolph, all of T. U. Berlin, for discussions, technical
assistance, and providing instrumentation. This work performed under the
auspices of the U.S. Department of Energy by Lawrence Livermore National
Laboratory under Contract No. DE-AC5207NA27344, the SLAC National
Accelerator Laboratory under Contract No. DE-AC02-76SF00515, and the
Deutsches Elektronen-Synchrotron, a research center of the Helmholtz
Association. Additional support comes from the DFG Cluster of Excellence
at the Munich Centre for Advanced Photonics [22], from the Virtual
Institute Program of the Helmholtz Society, the Joachim Herz Stiftung,
and from the Swedish Research Council.
NR 21
TC 30
Z9 30
U1 0
U2 7
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 12
PY 2010
VL 104
IS 6
AR 064801
DI 10.1103/PhysRevLett.104.064801
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 554OU
UT WOS:000274445100017
PM 20366823
ER
PT J
AU Kanai, Y
Khalap, VR
Collins, PG
Grossman, JC
AF Kanai, Yosuke
Khalap, Vaikunth R.
Collins, Philip G.
Grossman, Jeffrey C.
TI Atomistic Oxidation Mechanism of a Carbon Nanotube in Nitric Acid
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
AB Motivated by recent experiments, we investigate how NO3-SWNT interactions become energetically favorable with varying oxidation state of a single-walled carbon nanotube (SWNT) using first-principles calculations. Chemisorption becomes less endothermic with respect to physisorption when the SWNT oxidation state is elevated. Importantly, the dissociative incorporation of an oxygen atom into the SWNT sidewall becomes highly favorable when the SWNT oxidation state is elevated from electron density depletion in the vicinity, as caused experimentally using electrochemical potential. The elevation of the SWNT oxidation state through accumulating local charge transfer from the surrounding molecules does not have the same effect. Our investigation reveals the crucial effects of the SWNT oxidation state in understanding the molecule-SWNT interaction.
C1 [Kanai, Yosuke; Grossman, Jeffrey C.] Univ Calif Berkeley, Berkeley Nanosci Nanoengn Inst, Berkeley, CA 94720 USA.
[Kanai, Yosuke] Lawrence Livermore Natl Lab, Condensed Matter & Mat Div, Livermore, CA 94550 USA.
[Khalap, Vaikunth R.; Collins, Philip G.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA.
[Grossman, Jeffrey C.] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA.
RP Kanai, Y (reprint author), Univ Calif Berkeley, Berkeley Nanosci Nanoengn Inst, Berkeley, CA 94720 USA.
RI Kanai, Yosuke/B-5554-2016
NR 12
TC 26
Z9 26
U1 1
U2 19
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 12
PY 2010
VL 104
IS 6
AR 066401
DI 10.1103/PhysRevLett.104.066401
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 554OU
UT WOS:000274445100030
PM 20366836
ER
PT J
AU Koga, T
Li, C
Endoh, MK
Koo, J
Rafailovich, M
Narayanan, S
Lee, DR
Lurio, LB
Sinha, SK
AF Koga, Tadanori
Li, C.
Endoh, M. K.
Koo, J.
Rafailovich, M.
Narayanan, S.
Lee, D. R.
Lurio, L. B.
Sinha, S. K.
TI Reduced Viscosity of the Free Surface in Entangled Polymer Melt Films
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID GLASS-TRANSITION; THIN-FILMS; ONE-PHASE; DYNAMICS; SIMULATIONS; GOLD
AB By embedding "dilute'' gold nanoparticles in single polystyrene thin films as "markers'', we probe the local viscosity of the free surface at temperatures far above the glass transition temperature (T(g)). The technique used was x-ray photon correlation spectroscopy with resonance-enhanced x-ray scattering. The results clearly showed the surface viscosity is about 30% lower than the rest of the film. We found that this reduction is strongly associated with chain entanglements at the free surface rather than the reduction in T(g).
C1 [Koga, Tadanori; Rafailovich, M.] SUNY Stony Brook, Chem & Mol Engn Program, Dept Mat Sci & Engn, Stony Brook, NY 11794 USA.
[Narayanan, S.; Lee, D. R.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Lurio, L. B.] No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA.
[Sinha, S. K.] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA.
RP Koga, T (reprint author), SUNY Stony Brook, Chem & Mol Engn Program, Dept Mat Sci & Engn, Stony Brook, NY 11794 USA.
EM tkoga@notes.cc.sunysb.edu
RI Koga, Tadanori/A-4007-2010
FU NSF [CMMI-0846267]; ChemMatCARS; APS; DOE, Office of Basic Energy
Science [DE-AC02-06CH11357]
FX We thank Z. Jiang for helpful discussions. T. K. acknowledges financial
support from NSF Grant No. CMMI-0846267 and ChemMatCARS, APS. The use of
the APS was supported by the DOE, Office of Basic Energy Science, under
Contract No. DE-AC02-06CH11357.
NR 22
TC 37
Z9 38
U1 9
U2 51
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 12
PY 2010
VL 104
IS 6
AR 066101
DI 10.1103/PhysRevLett.104.066101
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 554OU
UT WOS:000274445100026
PM 20366832
ER
PT J
AU Luo, JW
Chantis, AN
van Schilfgaarde, M
Bester, G
Zunger, A
AF Luo, Jun-Wei
Chantis, Athanasios N.
van Schilfgaarde, Mark
Bester, Gabriel
Zunger, Alex
TI Discovery of a Novel Linear-in-k Spin Splitting for Holes in the 2D
GaAs/AlAs System
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID SEMICONDUCTOR
AB The spin-orbit interaction generally leads to spin splitting (SS) of electron and hole energy states in solids, a splitting that is characterized by a scaling with the wave vector k. Whereas for 3D bulk zinc blende solids the electron (heavy-hole) SS exhibits a cubic (linear) scaling with k, in 2D quantum wells, the electron (heavy-hole) SS is currently believed to have a mostly linear (cubic) scaling. Such expectations are based on using a small 3D envelope function basis set to describe 2D physics. By treating instead the 2D system explicitly as a system in its own right, we discover a large linear scaling of hole states in 2D. This scaling emerges from coupling of hole bands that would be unsuspected by the standard model that judges coupling by energy proximity. This discovery of a linear Dresselhaus k scaling for holes in 2D implies a different understanding of hole physics in low dimensions.
C1 [Luo, Jun-Wei; Zunger, Alex] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Chantis, Athanasios N.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[van Schilfgaarde, Mark] Arizona State Univ, Tempe, AZ 85287 USA.
[Bester, Gabriel] Max Planck Inst Solid State Res, D-70569 Stuttgart, Germany.
RP Luo, JW (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
RI LUO, JUN-WEI/A-8491-2010; Bester, Gabriel/I-4414-2012; Zunger,
Alex/A-6733-2013; LUO, JUNWEI/B-6545-2013;
OI Bester, Gabriel/0000-0003-2304-0817; Chantis,
Athanasios/0000-0001-7933-0579
FU U.S. Department of Energy, Office of Basic Energy Sciences, Division of
Materials Sciences and Engineering [DE-AC36-08GO28308]; ONR
[N00014-07-1-0479]; NSF [QMHP-0802216]
FX A. Z. thanks E. Rashba and D. Loss for helpful discussions on this
subject. Research at NREL supported by the U.S. Department of Energy,
Office of Basic Energy Sciences, Division of Materials Sciences and
Engineering, under Contract No. DE-AC36-08GO28308. M. v S. was supported
by ONR, Project No. N00014-07-1-0479 and NSF No. QMHP-0802216.
NR 26
TC 26
Z9 28
U1 1
U2 16
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 12
PY 2010
VL 104
IS 6
AR 066405
DI 10.1103/PhysRevLett.104.066405
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 554OU
UT WOS:000274445100034
PM 20366840
ER
PT J
AU Tanatar, MA
Reid, JP
Shakeripour, H
Luo, XG
Doiron-Leyraud, N
Ni, N
Bud'ko, SL
Canfield, PC
Prozorov, R
Taillefer, L
AF Tanatar, M. A.
Reid, J. -Ph.
Shakeripour, H.
Luo, X. G.
Doiron-Leyraud, N.
Ni, N.
Bud'ko, S. L.
Canfield, P. C.
Prozorov, R.
Taillefer, Louis
TI Doping Dependence of Heat Transport in the Iron-Arsenide Superconductor
Ba(Fe1-xCox)(2)As-2: From Isotropic to a Strongly k-Dependent Gap
Structure
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID RESOLVED PHOTOEMISSION-SPECTROSCOPY; BA0.6K0.4FE2AS2
AB The temperature and magnetic field dependence of the in-plane thermal conductivity kappa of the iron-arsenide superconductor Ba(Fe1-xCox)(2)As-2 was measured down to T similar or equal to 50 mK and up to H = 15 T as a function of Co concentration x in the range 0.048 <= x <= 0.114. At H = 0, a negligible residual linear term in kappa/T as T -> 0 at all x shows that the superconducting gap has no nodes in the ab plane anywhere in the phase diagram. However, while the slow H dependence of kappa(H) at T -> 0 in the underdoped regime is consistent with a superconducting gap that is large everywhere on the Fermi surface, the rapid increase in kappa(H) observed in the overdoped regime shows that the gap acquires a deep minimum somewhere on the Fermi surface. Outside the antiferromagnetic-orthorhombic phase, the superconducting gap structure has a strongly k-dependent amplitude.
C1 [Tanatar, M. A.; Ni, N.; Bud'ko, S. L.; Canfield, P. C.; Prozorov, R.] Ames Lab, Ames, IA 50011 USA.
[Reid, J. -Ph.; Shakeripour, H.; Luo, X. G.; Doiron-Leyraud, N.; Taillefer, Louis] Univ Sherbrooke, Dept Phys & RQMP, Sherbrooke, PQ J1K 2R1, Canada.
[Ni, N.; Bud'ko, S. L.; Canfield, P. C.; Prozorov, R.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
[Taillefer, Louis] Canadian Inst Adv Res, Toronto, ON, Canada.
RP Tanatar, MA (reprint author), Ames Lab, Ames, IA 50011 USA.
EM louis.taillefer@physique.usherbrooke.ca
RI Prozorov, Ruslan/A-2487-2008; Canfield, Paul/H-2698-2014
OI Prozorov, Ruslan/0000-0002-8088-6096;
FU Department of Energy-Basic Energy Sciences [DE-AC02-07CH11358]; Alfred
P. Sloan Foundation; CIFAR; NSERC; CFI; FQRNT
FX Work at the Ames Laboratory was supported by the Department of
Energy-Basic Energy Sciences under Contract No. DE-AC02-07CH11358. R. P.
acknowledges support from the Alfred P. Sloan Foundation. L. T.
acknowledges support from CIFAR, NSERC, CFI, and FQRNT.
NR 31
TC 118
Z9 118
U1 4
U2 19
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 12
PY 2010
VL 104
IS 6
AR 067002
DI 10.1103/PhysRevLett.104.067002
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 554OU
UT WOS:000274445100044
PM 20366850
ER
PT J
AU van Veenendaal, M
Chang, J
Fedro, AJ
AF van Veenendaal, Michel
Chang, Jun
Fedro, A. J.
TI Model of Ultrafast Intersystem Crossing in Photoexcited Transition-Metal
Organic Compounds
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID VIBRATIONAL-ENERGY REDISTRIBUTION; SPIN-CROSSOVER COMPLEXES; DYNAMICS;
SYSTEMS
AB The mechanism behind fast intersystem crossing in transition-metal complexes is shown to be a result of the dephasing of the photoexcited state to the phonon continuum of a different state with a significantly different transition metal-ligand distance. The coupling is a result of the spin-orbit interaction causing a change in the local moment. A recurrence to the initial state is prevented by the damping of the phonon oscillation. The decay time is faster than the oscillation frequency of the transition metal-ligand stretch mode, in agreement with experiment. For energies above the region where the strongest coupling occurs, a slower "leakage-type'' decay is observed. If the photoexcited state is lower in energy than the state it couples to, then there is no decay.
C1 [van Veenendaal, Michel] No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA.
Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP van Veenendaal, M (reprint author), No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA.
RI Chang, jun/A-1840-2010
OI Chang, jun/0000-0003-0041-4804
FU U.S. Department of Energy (DOE) [DE-FG02-03ER46097]; NIU; U.S. DOE,
Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]
FX This work was supported by the U.S. Department of Energy (DOE),
DE-FG02-03ER46097, and NIU's Institute for Nanoscience, Engineering, and
Technology. Work at Argonne National Laboratory was supported by the
U.S. DOE, Office of Science, Office of Basic Energy Sciences, under
Contract No. DE-AC02-06CH11357.
NR 20
TC 25
Z9 25
U1 0
U2 21
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 12
PY 2010
VL 104
IS 6
AR 067401
DI 10.1103/PhysRevLett.104.067401
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 554OU
UT WOS:000274445100046
PM 20366852
ER
PT J
AU Wang, SZ
Wang, LW
AF Wang, Shuzhi
Wang, Lin-Wang
TI Atomic and Electronic Structures of GaN/ZnO Alloys
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID SOLID-SOLUTION PHOTOCATALYST; VISIBLE-LIGHT ABSORPTION; HYDROGEN
GENERATION; WATER; GAN; ENERGY; ORIGIN
AB A new model Hamiltonian is developed to describe the ab initio energy differences of the nonisovalent alloy configurations based on the semiconductor electron counting rule. Monte Carlo simulations using this Hamiltonian show strong short range order of the GaN/ZnO alloy, which has significant effects on its electronic structure. We also predict further reduction of the band gap by increasing the synthesis temperature.
C1 [Wang, Shuzhi; Wang, Lin-Wang] Univ Calif Berkeley, Lawrence Berkeley Lab, Computat Res Div, Berkeley, CA 94720 USA.
RP Wang, SZ (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Computat Res Div, 1 Cyclotron Rd,Mail Stop 50F, Berkeley, CA 94720 USA.
EM swang2@lbl.gov
RI Wang, Shuzhi/A-1799-2009
FU U.S. Department of Energy [DE-AC02-05CH11231]; National Energy Research
Scientific Computing Center (NERSC); National Center for Computational
Sciences (NCCS)
FX This work was performed in the Helios Solar Energy Research Center which
is supported by the Director, Office of Science, Office of Basic Energy
Sciences, Materials Science and Engineering Division, of the U.S.
Department of Energy under Contract No. DE-AC02-05CH11231. This research
used the computational resources of the National Energy Research
Scientific Computing Center (NERSC) and the National Center for
Computational Sciences (NCCS).
NR 21
TC 30
Z9 30
U1 4
U2 35
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 12
PY 2010
VL 104
IS 6
AR 065501
DI 10.1103/PhysRevLett.104.065501
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 554OU
UT WOS:000274445100022
PM 20366828
ER
PT J
AU Coppe, JP
Patil, CK
Rodier, F
Krtolica, A
Beausejour, CM
Parrinello, S
Hodgson, JG
Chin, KE
Desprez, PY
Campisi, J
AF Coppe, Jean-Philippe
Patil, Christopher K.
Rodier, Francis
Krtolica, Ana
Beausejour, Christian M.
Parrinello, Simona
Hodgson, J. Graeme
Chin, Koei
Desprez, Pierre-Yves
Campisi, Judith
TI A Human-Like Senescence-Associated Secretory Phenotype Is Conserved in
Mouse Cells Dependent on Physiological Oxygen
SO PLOS ONE
LA English
DT Article
ID CELLULAR SENESCENCE; DNA-DAMAGE; REPLICATIVE SENESCENCE;
HUMAN-FIBROBLASTS; GENE-EXPRESSION; IN-VIVO; TRIGGERS SENESCENCE; CANCER
PROGRESSION; EPITHELIAL-CELLS; GROWTH-FACTOR
AB Cellular senescence irreversibly arrests cell proliferation in response to oncogenic stimuli. Human cells develop a senescence-associated secretory phenotype (SASP), which increases the secretion of cytokines and other factors that alter the behavior of neighboring cells. We show here that "senescent'' mouse fibroblasts, which arrested growth after repeated passage under standard culture conditions (20% oxygen), do not express a human-like SASP, and differ from similarly cultured human cells in other respects. However, when cultured in physiological (3%) oxygen and induced to senesce by radiation, mouse cells more closely resemble human cells, including expression of a robust SASP. We describe two new aspects of the human and mouse SASPs. First, cells from both species upregulated the expression and secretion of several matrix metalloproteinases, which comprise a conserved genomic cluster. Second, for both species, the ability to promote the growth of premalignant epithelial cells was due primarily to the conserved SASP factor CXCL-1/KC/GRO-alpha. Further, mouse fibroblasts made senescent in 3%, but not 20%, oxygen promoted epithelial tumorigenesis in mouse xenographs. Our findings underscore critical mouse-human differences in oxygen sensitivity, identify conditions to use mouse cells to model human cellular senescence, and reveal novel conserved features of the SASP.
C1 [Coppe, Jean-Philippe; Patil, Christopher K.; Rodier, Francis; Krtolica, Ana; Parrinello, Simona; Desprez, Pierre-Yves; Campisi, Judith] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
[Coppe, Jean-Philippe; Patil, Christopher K.; Rodier, Francis; Desprez, Pierre-Yves; Campisi, Judith] Buck Inst Age Res, Novato, CA USA.
[Beausejour, Christian M.] Univ Montreal, CHU Ste Justine, Ctr Rech, Montreal, PQ, Canada.
[Beausejour, Christian M.] Univ Montreal, Dept Pharmacol, Montreal, PQ H3C 3J7, Canada.
[Hodgson, J. Graeme; Chin, Koei] Univ Calif San Francisco, Dept Lab Med, Ctr Comprehens Canc, San Francisco, CA 94143 USA.
[Desprez, Pierre-Yves] Calif Pacific Med Ctr, Res Inst, San Francisco, CA USA.
RP Coppe, JP (reprint author), Dynam Throughput Inc, Berkeley, CA USA.
EM jcampisi@buckinstitute.org
FU National Institutes of Health [AG09909, AG017242, CA126540, AG000266,
AG0025708]; Larry L. Hillblom Foundation; California Breast Cancer
Research Program [8KB-0100]; US Department of Energy [DE-AC03-76SF00098]
FX Supported by grants from the National Institutes of Health (research
grants AG09909, AG017242 and CA126540 to JC; training grant AG000266;
center grant AG0025708), Larry L. Hillblom Foundation (to CKP),
California Breast Cancer Research Program (8KB-0100 to AK) and the US
Department of Energy under contract DE-AC03-76SF00098 (JC). The funders
had no role in study design, data collection and analysis, decision to
publish, or preparation of the manuscript.
NR 54
TC 122
Z9 126
U1 0
U2 11
PU PUBLIC LIBRARY SCIENCE
PI SAN FRANCISCO
PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA
SN 1932-6203
J9 PLOS ONE
JI PLoS One
PD FEB 12
PY 2010
VL 5
IS 2
AR e9188
DI 10.1371/journal.pone.0009188
PG 13
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 554ZC
UT WOS:000274474600009
PM 20169192
ER
PT J
AU Deng, HX
Doonan, CJ
Furukawa, H
Ferreira, RB
Towne, J
Knobler, CB
Wang, B
Yaghi, OM
AF Deng, Hexiang
Doonan, Christian J.
Furukawa, Hiroyasu
Ferreira, Ricardo B.
Towne, John
Knobler, Carolyn B.
Wang, Bo
Yaghi, Omar M.
TI Multiple Functional Groups of Varying Ratios in Metal-Organic Frameworks
SO SCIENCE
LA English
DT Article
ID ZEOLITIC IMIDAZOLATE FRAMEWORKS; HYDROGEN STORAGE; CARBON-DIOXIDE;
PORE-SIZE; CAPTURE; DESIGN
AB We show that metal-organic frameworks (MOFs) can incorporate a large number of different functionalities on linking groups in a way that mixes the linker, rather than forming separate domains. We made complex MOFs from 1,4-benzenedicarboxylate (denoted by "A" in this work) and its derivatives -NH(2), -Br, -(Cl)(2), -NO(2), -(CH(3))(2), -C(4)H(4), -(OC(3)H(5))(2), and -(OC(7)H(7))(2) (denoted by "B" to "I," respectively) to synthesize 18 multivariate (MTV) MOF-5 type structures that contain up to eight distinct functionalities in one phase. The backbone (zinc oxide and phenylene units) of these structures is ordered, but the distribution of functional groups is disordered. The complex arrangements of several functional groups within the pores can lead to properties that are not simply linear sums of those of the pure components. For example, a member of this series, MTV-MOF-5-EHI, exhibits up to 400% better selectivity for carbon dioxide over carbon monoxide compared with its best same-link counterparts.
C1 [Deng, Hexiang; Doonan, Christian J.; Furukawa, Hiroyasu; Ferreira, Ricardo B.; Towne, John; Knobler, Carolyn B.; Wang, Bo; Yaghi, Omar M.] Univ Calif Los Angeles, Calif Nanosyst Inst, Dept Energy DOE, Inst Genom & Prote,Dept Chem & Biochem, Los Angeles, CA 90095 USA.
RP Yaghi, OM (reprint author), Univ Calif Los Angeles, Calif Nanosyst Inst, Dept Energy DOE, Inst Genom & Prote,Dept Chem & Biochem, 607 Charles E Young Dr E, Los Angeles, CA 90095 USA.
EM yaghi@chem.ucla.edu
RI Barroso Ferreira, Ricardo/A-3679-2010; WANG, BO/D-9762-2012; Furukawa,
Hiroyasu/C-5910-2008;
OI WANG, BO/0000-0001-9092-3252; Furukawa, Hiroyasu/0000-0002-6082-1738;
Yaghi, Omar/0000-0002-5611-3325
FU DOE Office of Basic Energy Sciences [DE-FG02-08ER15935]
FX This work was supported by DOE Office of Basic Energy Sciences (grant
DE-FG02-08ER15935). We thank F. J. Uribe-Romo and R. Taylor for
assistance and helpful discussions. MTV-MOF-5-AC and MTV-MOF-5-ACEF have
been deposited into the Cambridge Crystallographic Data Centre (CCDC)
under deposition numbers CCDC 747004 to 747007.
NR 13
TC 686
Z9 695
U1 96
U2 837
PU AMER ASSOC ADVANCEMENT SCIENCE
PI WASHINGTON
PA 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 USA
SN 0036-8075
J9 SCIENCE
JI Science
PD FEB 12
PY 2010
VL 327
IS 5967
BP 846
EP 850
DI 10.1126/science.1181761
PG 5
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 554AQ
UT WOS:000274408300056
PM 20150497
ER
PT J
AU Tao, F
Dag, S
Wang, LW
Liu, Z
Butcher, DR
Bluhm, H
Salmeron, M
Somorjai, GA
AF Tao, Feng
Dag, Sefa
Wang, Lin-Wang
Liu, Zhi
Butcher, Derek R.
Bluhm, Hendrik
Salmeron, Miquel
Somorjai, Gabor A.
TI Break-Up of Stepped Platinum Catalyst Surfaces by High CO Coverage
SO SCIENCE
LA English
DT Article
ID SCANNING-TUNNELING-MICROSCOPY; IN-SITU; PHOTOELECTRON-SPECTROSCOPY;
SHAPE CHANGES; NANOPARTICLES; OXIDATION; PT(111); RECONSTRUCTION;
NANOCRYSTALS; ADSORPTION
AB Stepped single-crystal surfaces are viewed as models of real catalysts, which consist of small metal particles exposing a large number of low-coordination sites. We found that stepped platinum (Pt) surfaces can undergo extensive and reversible restructuring when exposed to carbon monoxide (CO) at pressures above 0.1 torr. Scanning tunneling microscopy and photoelectron spectroscopy studies under gaseous environments near ambient pressure at room temperature revealed that as the CO surface coverage approaches 100%, the originally flat terraces of (557) and (332) oriented Pt crystals break up into nanometer-sized clusters and revert to the initial morphology after pumping out the CO gas. Density functional theory calculations provide a rationale for the observations whereby the creation of increased concentrations of low-coordination Pt edge sites in the formed nanoclusters relieves the strong CO-CO repulsion in the highly compressed adsorbate film. This restructuring phenomenon has important implications for heterogeneous catalytic reactions.
C1 [Tao, Feng; Butcher, Derek R.; Salmeron, Miquel; Somorjai, Gabor A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Tao, Feng; Butcher, Derek R.; Somorjai, Gabor A.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Dag, Sefa; Wang, Lin-Wang] Univ Calif Berkeley, Lawrence Berkeley Lab, Computat Res Div, Berkeley, CA 94720 USA.
[Liu, Zhi; Bluhm, Hendrik] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
[Bluhm, Hendrik] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
[Salmeron, Miquel] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA.
RP Salmeron, M (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
EM mbsalmeron@lbl.gov; somorjai@berkeley.edu
RI Liu, Zhi/B-3642-2009
OI Liu, Zhi/0000-0002-8973-6561
FU Office of Basic Energy Sciences, Materials Sciences, and Chemical,
Geosciences, and Biosciences Divisions; Office of Advanced Scientific
Computing Research; U.S. Department of Energy [DE-AC02-05CH11231]
FX The experimental work was supported by the director, Office of Basic
Energy Sciences, Materials Sciences, and Chemical, Geosciences, and
Biosciences Divisions. The theoretical work was supported by the Office
of Advanced Scientific Computing Research. U.S. Department of Energy
under Contract No. DE-AC02-05CH11231. The computation uses the resources
of National Energy Research Scientific Computing Center (NERSC) and the
INCITE project allocations within the National Center for Computational
Sciences (NCCS). XPS data were collected at the Advanced Light Source,
Berkeley, CA. F. T. acknowledges the discussions with S. L. Bernasek, N.
Kruse, T. Bligaard, and F. Ogletree.
NR 24
TC 208
Z9 211
U1 23
U2 286
PU AMER ASSOC ADVANCEMENT SCIENCE
PI WASHINGTON
PA 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 USA
SN 0036-8075
J9 SCIENCE
JI Science
PD FEB 12
PY 2010
VL 327
IS 5967
BP 850
EP 853
DI 10.1126/science.1182122
PG 4
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 554AQ
UT WOS:000274408300057
PM 20150498
ER
PT J
AU Mihailovic, D
Saponjic, Z
Radoicic, M
Radetic, T
Jovancic, P
Nedeljkovic, J
Radetic, M
AF Mihailovic, Darka
Saponjic, Zoran
Radoicic, Marija
Radetic, Tamara
Jovancic, Petar
Nedeljkovic, Jovan
Radetic, Maja
TI Functionalization of polyester fabrics with alginates and TiO2
nanoparticles
SO CARBOHYDRATE POLYMERS
LA English
DT Article
DE TiO2 nanoparticles; Polyester fabric; Alginate; Antibacterial activity;
UV protection; Photodegradation activity
ID TITANIUM-DIOXIDE NANOPARTICLES; MODIFIED COTTON TEXTILES; SELF-CLEANING
COTTON; DAYLIGHT IRRADIATION; CELLULOSE FIBERS; THIN-FILM; TEMPERATURE;
SILVER; DETOXIFICATION; BIOPOLYMERS
AB This study was aimed to investigate the possibility of engineering the multifunctional textile nanocomposite material based on the polyester fabric modified with natural polysaccharide alginate and colloidal TiO2 nanoparticles. The multifunctionality of such nanocomposite material was evaluated by analyzing its UV protection efficiency, antibacterial and photocatalytic activity. The level of UV protection was verified by the UV protection factor (UPF) of polyester fabrics. Antibacterial activity of modified polyester fabrics was tested against Gram-negative bacterium Escherichia coli. The photocatalytic activity of TiO2 nanoparticles deposited on the polyester fabrics was followed by degradation of methylene blue as a model compound in aqueous solution. Modified polyester fabrics exhibited outstanding antibacterial activity and UV protection efficiency even after five washing cycles, indicating the excellent laundering durability. The total photodegradation of methylene blue was reached after 24 h of UV illumination and this ability was preserved and even enhanced after two consecutive cycles. (C) 2009 Elsevier Ltd. All rights reserved.
C1 [Mihailovic, Darka; Jovancic, Petar; Radetic, Maja] Univ Belgrade, Fac Technol & Met, Dept Text Engn, Belgrade 11120, Serbia.
[Saponjic, Zoran; Radoicic, Marija; Nedeljkovic, Jovan] Vinca Inst Nucl Sci, Belgrade 11001, Serbia.
[Radetic, Tamara] Lawrence Berkeley Lab, Natl Ctr Electron Microscopy, Berkeley, CA 94720 USA.
RP Radetic, M (reprint author), Univ Belgrade, Fac Technol & Met, Dept Text Engn, Karnegijeva 4, Belgrade 11120, Serbia.
EM maja@tmf.bg.ac.rs
OI Jovancic, Petar/0000-0002-9905-6260
FU Ministry of Science of Republic of Serbia [TR 19007, 142066]; Office of
Science, Office of Basic Energy Sciences of the US Department of Energy
[DE-AC02-05CH11231]
FX The financial support for this work was provided by the Ministry of
Science of Republic of Serbia (projects TR 19007 and 142066). This work
was performed in part at NCEM, which is supported by the Office of
Science, Office of Basic Energy Sciences of the US Department of Energy
under Contract No. DE-AC02-05CH11231.
NR 38
TC 73
Z9 77
U1 8
U2 55
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0144-8617
J9 CARBOHYD POLYM
JI Carbohydr. Polym.
PD FEB 11
PY 2010
VL 79
IS 3
BP 526
EP 532
DI 10.1016/j.carbpol.2009.08.036
PG 7
WC Chemistry, Applied; Chemistry, Organic; Polymer Science
SC Chemistry; Polymer Science
GA 547CZ
UT WOS:000273864500006
ER
PT J
AU Le, A
Egedal, J
Daughton, W
Drake, JF
Fox, W
Katz, N
AF Le, A.
Egedal, J.
Daughton, W.
Drake, J. F.
Fox, W.
Katz, N.
TI Magnitude of the Hall fields during magnetic reconnection
SO GEOPHYSICAL RESEARCH LETTERS
LA English
DT Article
AB In situ observation of the Earth's magnetosphere has identified Hall magnetic fields as a key signature of collisionless magnetic reconnection. The inflow portion of the reconnection diffusion region is further characterized by strong electron pressure anisotropy. These two features are tightly linked in a quantitative model, which is verified using fully kinetic simulations. The model predicts the Hall field strength and the maximum electron pressure anisotropy as functions of the upstream ratio of electron fluid and magnetic pressures. Citation: Le, A., J. Egedal, W. Daughton, J. F. Drake, W. Fox, and N. Katz (2010), Magnitude of the Hall fields during magnetic reconnection, Geophys. Res. Lett., 37, L03106, doi: 10.1029/2009GL041941.
C1 [Le, A.; Egedal, J.; Fox, W.; Katz, N.] MIT, Plasma Sci & Fus Ctr, Cambridge, MA 02139 USA.
[Daughton, W.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Drake, J. F.] Univ Maryland, Plasma Res Lab, College Pk, MD 20742 USA.
RP Le, A (reprint author), MIT, Plasma Sci & Fus Ctr, NW 16-132,167 Albany St, Cambridge, MA 02139 USA.
EM arile@mit.edu
RI Daughton, William/L-9661-2013
FU DOE [DE-FG02-06ER54878]; DOE/NSF [DE-FG02-03ER54712]
FX This work was funded at MIT in part by DOE grant DE-FG02-06ER54878 and
DOE/NSF grant DE-FG02-03ER54712.
NR 14
TC 30
Z9 30
U1 0
U2 3
PU AMER GEOPHYSICAL UNION
PI WASHINGTON
PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA
SN 0094-8276
J9 GEOPHYS RES LETT
JI Geophys. Res. Lett.
PD FEB 11
PY 2010
VL 37
AR L03106
DI 10.1029/2009GL041941
PG 4
WC Geosciences, Multidisciplinary
SC Geology
GA 554VJ
UT WOS:000274463000004
ER
PT J
AU Jee, JE
Bakac, A
AF Jee, Joo-Eun
Bakac, Andreja
TI Reactions of Mn(II) and Mn(III) with Alkyl, Peroxyalkyl, and Peroxyacyl
Radicals in Water and Acetic Acid
SO JOURNAL OF PHYSICAL CHEMISTRY A
LA English
DT Article
ID AQUEOUS-SOLUTION; RATE CONSTANTS; HYDROCARBON OXIDATION; INORGANIC
RADICALS; MOLECULAR-OXYGEN; ACYL RADICALS; COMPLEXES; KINETICS;
DECARBONYLATION; BROMIDE
AB The kinetics of oxidation of Mn(II) with acylperoxyl and alkylperoxyl radicals were determined by laser flash photolysis utilizing a macrocyclic nickel complex as a kinetic probe. Radicals were generated photochemically from the appropriate ketones in the presence of molecular oxygen. In both acidic aqueous solutions and in 95% acetic acid, Mn(II) reacts with acylperoxyl radicals with k = (0.5-1.6) x 10(6) M(-1) s(-1) and somewhat more slowly with alkylperoxyl radicals, k = (0.5-5) x 10(5) M(-1) s(-1). Mn(III) rapidly oxidizes benzyl radicals, k = 2.3 x 10(8) M(-1) s(-1) (glacial acetic acid) and 3.7 x 10(8) M(-1) s(-1) (95% acetic acid). The value in 3.0 M aqueous perchloric acid is much smaller, 1 x 10(7) M(-1) s(-1). The decarbonylation of benzoyl radicals in H(2)O has k = 1.2 x 10(6) s(-1).
C1 [Jee, Joo-Eun; Bakac, Andreja] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
RP Bakac, A (reprint author), Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
EM bakac@ameslab.gov
FU U.S. Department of Energy-Basic Energy Sciences [DE-AC02-07CH11358]
FX We are thankful to Dr. Pestovsky for useful comments and discussions.
The support for this project from BP Amoco is gratefully acknowledged.
The research was carried out in the facilities of the Ames Laboratory
[under contract No. DE-AC02-07CH11358 with the U.S. Department of
Energy-Basic Energy Sciences].
NR 43
TC 3
Z9 3
U1 1
U2 9
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1089-5639
J9 J PHYS CHEM A
JI J. Phys. Chem. A
PD FEB 11
PY 2010
VL 114
IS 5
BP 2136
EP 2141
DI 10.1021/jp910140s
PG 6
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 552EJ
UT WOS:000274270400011
PM 20078053
ER
PT J
AU Bogatko, SA
Bylaska, EJ
Weare, JH
AF Bogatko, Stuart A.
Bylaska, Eric J.
Weare, John H.
TI First Principles Simulation of the Bonding, Vibrational, and Electronic
Properties of the Hydration Shells of the High-Spin Fe3+ Ion in Aqueous
Solutions
SO JOURNAL OF PHYSICAL CHEMISTRY A
LA English
DT Article
ID MOLECULAR-DYNAMICS SIMULATION; TRANSITION-METAL IONS; X-RAY-DIFFRACTION;
ELASTIC NEUTRON-SCATTERING; LOCALIZED WANNIER FUNCTIONS;
DENSITY-FUNCTIONAL THEORY; PERCHLORATE SOLUTIONS; CHLORIDE SOLUTIONS;
PAIR POTENTIALS; WATER EXCHANGE
AB Results of parameter-free first principles simulations of a spin up 3d(5) Fe3+ ion hydrated in an aqueous Solution (64 waters, 30 ps, 300 K) are reported. The first hydration shell associated with the first maximum of the radial distribution function, g(FeO)(r), at d(Fe-O-1) = 2.11-2.15 angstrom, contains 6 waters with average d(OH) = 0.99 angstrom, in good agreement with observations. A second shell with average coordination number 13.3 can be identified with average shell radius of d(Fe-Ou) = 4.21-4.32 angstrom. The waters in this hydration shell are coordinated to the first shell via a trigonal H-bond network with d(O-I-O-II) = 2.7-2.9 angstrom, also in agreement with experimental measurements. The first shell tilt angle average is 33.4 degrees as compared to the reported value of 41 degrees. Wannier-Boys orbitals (WBO) show in interaction between the unoccupied 3d orbitals of the Fe3+ valence (Spill Lip, 3d(5)) and the occupied spin down lone pair orbitals of first shell waters. The effect of the spin ordering of the Fe 31 ion on the WBO is not observed beyond the first shell. From this local bond analysis and consistent with other observations, the electronic structure of waters in the second shell is similar to that of a bulk water even in this strongly interacting system. H-bond decomposition shows significant bulk-like structure within the second shell for Fe3+. The vibrational density of states shows a first shell red shift of 230 cm(-1) for the v(1),2(V2),V-3 overtone, in reasonable agreement with experimental estimates for trivalent cations (300 cm(-1)). No exchanges between first and second shell were observed. Waters in the second shell exchanged with bulk waters via dissociative and associative mechanisms. Results are compared with all AIMD study of Al3+ and 64 waters. For Fe3+ the average first shell tilt angle is larger and the tilt angle distribution wider. H-bond decomposition shows that second shell to second shell H-bonding is enhanced in Fe3+ suggesting an earlier onset of bulk-like water Structure.
C1 [Weare, John H.] Univ Calif San Diego, Dept Chem & Biochem, San Diego, CA 92103 USA.
Pacific NW Natl Lab, Richland, WA USA.
RP Weare, JH (reprint author), Univ Calif San Diego, Dept Chem & Biochem, San Diego, CA 92103 USA.
EM jweare@ucsd.edu
RI Bogatko, Stuart/C-8394-2013
OI Bogatko, Stuart/0000-0001-9759-2580
NR 95
TC 16
Z9 16
U1 1
U2 27
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1089-5639
J9 J PHYS CHEM A
JI J. Phys. Chem. A
PD FEB 11
PY 2010
VL 114
IS 5
BP 2189
EP 2200
DI 10.1021/jp904967n
PG 12
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 552EJ
UT WOS:000274270400018
PM 20078102
ER
PT J
AU Porcar, L
Hong, KL
Butler, PD
Herwig, KW
Smith, GS
Liu, Y
Chen, WR
AF Porcar, Lionel
Hong, Kunlun
Butler, Paul D.
Herwig, Kenneth W.
Smith, Gregory S.
Liu, Yun
Chen, Wei-Ren
TI Intramolecular Structural Change of PAMAM Dendrimers in Aqueous
Solutions Revealed by Small-Angle Neutron Scattering
SO JOURNAL OF PHYSICAL CHEMISTRY B
LA English
DT Article
ID POLYMERS; PH; SIMULATION; PARTICLES; LOCATION; SOLVENT
AB Small-angle neutron scattering (SANS) experiments were carried out to investigate the structure of aqueous (D(2)O) G4 PAMAM dendrimer solutions as a function of molecular protonation and dendrimer concentration. Our results indicate unambiguously that, although the radius of gyration R(G), remains nearly invariant, the dendrimer radial density profile rho(r) decreases in the dendrimer core with a continuous increase in protonation. This discovery also suggests that R(G), which is commonly adopted by numerous simulation and experimental works in describing the global dendrimer size, is not suitable as the index parameter to characterize the dendrimer coil formation change. We also found that R(G) and rho(r), for dendrimers dissolved in both neutral and acidified solutions, remain nearly constant over the studied concentration range. We further demonstrate that the outcome of the widely used Guinier method is questionable for extracting R(G) in the concentration range studied. Our results reveal the polymer colloid structural duality as benchmarks for future experimental and theoretical studies and provide a critical step toward understanding drug encapsulation by ionic bonds.
C1 [Butler, Paul D.; Liu, Yun] Natl Inst Stand & Technol, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA.
[Porcar, Lionel] Inst Laue Langevin, F-38042 Grenoble 9, France.
[Hong, Kunlun] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
[Herwig, Kenneth W.; Smith, Gregory S.; Chen, Wei-Ren] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Spallat Neutron Source, Oak Ridge, TN 37831 USA.
RP Liu, Y (reprint author), Natl Inst Stand & Technol, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA.
EM yunliu@nist.gov; chenw@ornl.gov
RI Butler, Paul/D-7368-2011; Herwig, Kenneth/F-4787-2011; Liu,
Yun/F-6516-2012; Smith, Gregory/D-1659-2016; Hong, Kunlun/E-9787-2015
OI Liu, Yun/0000-0002-0944-3153; Smith, Gregory/0000-0001-5659-1805; Hong,
Kunlun/0000-0002-2852-5111
FU ORNL LDRD [05125]; NSF [DMR-0454672]; U.S. DOE
FX We gratefully acknowledge the financial support from ORNL LDRD project
(project no. 05125). The support of the NIST in providing the neutron
research facilities supported, under NSF agreement DMR-0454672, is also
acknowledged. The samples were prepared at CNMS ORNL sponsored by U.S.
DOE.
NR 24
TC 38
Z9 38
U1 1
U2 26
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1520-6106
J9 J PHYS CHEM B
JI J. Phys. Chem. B
PD FEB 11
PY 2010
VL 114
IS 5
BP 1751
EP 1756
DI 10.1021/jp9064455
PG 6
WC Chemistry, Physical
SC Chemistry
GA 552EG
UT WOS:000274270100002
PM 20070093
ER
PT J
AU Scott, DM
Smith, NA
Valente, JJ
Adams, R
Bufkin, K
Patrick, DL
AF Scott, Douglas M.
Smith, Nickolaus A.
Valente, Joseph J.
Adams, Rachel
Bufkin, Kevin
Patrick, David L.
TI Cooperative Ordering at Liquid Crystal Interfaces and Its Role in
Orientational Memory
SO JOURNAL OF PHYSICAL CHEMISTRY B
LA English
DT Article
ID INDUCED BULK ALIGNMENT; MAGNETIC-FIELD; SURFACE; MONOLAYERS; FILMS;
TRANSITION; NEMATICS; PHASE; LAYER
AB Orientational memory in interfacial liquid crystal films occurs when cells heated above the isotropic transition temperature return to their initial ordered texture upon cooling. First observed over 80 years ago, the origins of orientational memory, which is sometimes called the surface memory effect, remain poorly understood. In this study, films of the thermotropic liquid crystal 4'-octyl-4-cyanobiphenyl on graphite were studied by scanning tunneling and polarizing optical microscopy. Strong orientational memory was observed despite relatively weak molecule-surface interactions of the kind previously thought to be responsible for this effect. By preparing cells in a uniformly oriented initial reference state and separately measuring bulk and surface order parameters as systems were thermally disordered, cooperative interactions were found to play an important role, leading to the recovery of long-range order that neither the bulk nor surface layers alone retained. When the surface and bulk layers were partially decoupled using a magnetic field, orientational memory in the surface layer almost disappeared. The findings provide a new interpretation of the origins of orientational memory in liquid crystal films and underscore the potentially important role of cooperativity in bulk <-> interfacial liquid crystal interactions.
C1 [Scott, Douglas M.; Adams, Rachel; Bufkin, Kevin; Patrick, David L.] Western Washington Univ, Dept Chem, Bellingham, WA 98225 USA.
[Smith, Nickolaus A.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA.
[Valente, Joseph J.] Novartis Pharmaceut, E Hanover, NJ 07936 USA.
RP Patrick, DL (reprint author), Western Washington Univ, Dept Chem, 516 High St, Bellingham, WA 98225 USA.
EM patrick@chem.wwu.edu
RI Patrick, David/F-9457-2011
FU National Science Foundation [CHE-0518682, DMR-0705908]
FX This work was supported by the National Science Foundation under
CHE-0518682 and DMR-0705908. The authors thank C. Reinhart, A. Brackley,
and B. Edwards for their contributions and B. L. Johnson for insights
into the theoretical analysis.
NR 32
TC 3
Z9 3
U1 2
U2 8
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1520-6106
J9 J PHYS CHEM B
JI J. Phys. Chem. B
PD FEB 11
PY 2010
VL 114
IS 5
BP 1810
EP 1814
DI 10.1021/jp909218g
PG 5
WC Chemistry, Physical
SC Chemistry
GA 552EG
UT WOS:000274270100010
PM 20085363
ER
PT J
AU Sun, YG
AF Sun, Yugang
TI Conversion of Ag Nanowires to AgCl Nanowires Decorated with Au
Nanoparticles and Their Photocatalytic Activity
SO JOURNAL OF PHYSICAL CHEMISTRY C
LA English
DT Article
ID ENHANCED RAMAN-SCATTERING; BY-LAYER FILMS; SILVER NANOWIRES;
OPTICAL-PROPERTIES; GOLD NANORODS; COAXIAL NANOCABLES;
REMOTE-EXCITATION; PHASE SYNTHESIS; ASPECT RATIO; NANOSTRUCTURES
AB A two-step approach has been developed to synthesize AgCl nanowires decorated with Au nanoparticles by using Ag nanowires as chemical templates. In the first step, the Ag nanowires are oxidized with FeCl(3) followed by a simultaneous precipitation reaction between Ag(+) and Cl(-) ions at room temperature, resulting in conversion of the Ag nanowires to AgCl nanowires as well as reduction of Fe(3+) to Fe(2+) ions. In the second step, the Fe(2+) ions generated in the first step reduce Au precursors (e.g., NaAuCl(4)) to deposit Au nanoparticles on the surfaces of the AgCl nanowires, resulting in the formation of AgCl:Au composite nanowires. Because of strong surface plasmon resonance and chemical inertness of Au nanoparticles, the as-synthesized AgCl:Au nanowires exhibit enhanced absorption coefficient in the visible region and enhanced chemical stability to prevent them from degradation and aggregation. These unique properties enable the AgCl:Au nanowires to be used as a class of promising plasmonic photocatalysts driven by visible light. Preliminary results demonstrate these composite nanowires can efficiently decompose organics, such as methylene blue molecules, under illumination of white light.
C1 Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
RP Sun, YG (reprint author), Argonne Natl Lab, Ctr Nanoscale Mat, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM ygsun@anl.gov
RI Sun, Yugang /A-3683-2010
OI Sun, Yugang /0000-0001-6351-6977
FU U.S. Department of Energy [DE-AC02-06CH11357]
FX Use of the Center for Nanoscale Materials and the Electron Microscopy
Center for Materials Research at Argonne National Laboratory was
supported by the U.S. Department of Energy, Office of Science, Office of
Basic Energy Sciences, under Contract No. DE-AC02-06CH11357.
NR 63
TC 70
Z9 72
U1 6
U2 65
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1932-7447
J9 J PHYS CHEM C
JI J. Phys. Chem. C
PD FEB 11
PY 2010
VL 114
IS 5
BP 2127
EP 2133
DI 10.1021/jp9115645
PG 7
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 552ED
UT WOS:000274269700024
ER
PT J
AU Culp, JT
Goodman, AL
Chirdon, D
Sankar, SG
Matranga, C
AF Culp, Jeffrey T.
Goodman, A. L.
Chirdon, Danielle
Sankar, S. G.
Matranga, Christopher
TI Mechanism for the Dynamic Adsorption of CO2 and CH4 in a Flexible Linear
Chain Coordination Polymer as Determined from In Situ Infrared
Spectroscopy
SO JOURNAL OF PHYSICAL CHEMISTRY C
LA English
DT Article
ID METAL-ORGANIC-FRAMEWORK; ZEOLITIC IMIDAZOLATE FRAMEWORKS; SOFT
SUPRAMOLECULAR MATERIALS; STATE GUEST-EXCHANGE; CARBON-DIOXIDE;
AB-INITIO; FTIR SPECTROSCOPY; NICKEL(II) DIBENZOYLMETHANATE;
CLATHRATE-FORMATION; ACCEPTOR COMPLEXES
AB Adsorption-desorption cycles for CO2 and CH4 on the one-dimensional coordination polymer, catena-bis(dibenzoylmethanato)-(4,4'-bipyridyl)nickel(II), "Ni-DBM-BPY", showed pronounced step-shape isotherms, where minimal gas adsorption was detected below a threshold pressure and rapid gas uptake was observed above this threshold. Desorption isotherms from the saturated state displayed significant hysteresis from the adsorption isotherm path. Such behavior is rare in one-dimensional coordination polymers that lack a robust framework with permanent porosity. This step-shape adsorption behavior for CO2 was shown by in situ FTIR measurements to be the result of a structural phase transition in the Ni-DBM-BPY host which arises from a change in conformation of the DBM ligands. After the structural transition, the adsorption spectrum of the adsorbed CO2 changed significantly due to an enhanced CO2 interaction with the host. A similar mechanism can be inferred for CH4 from the isotherm shape, but the host structural phase transitions could not be observed directly with CH4 uptake, since the threshold conditions were outside the temperature and pressure limits of the instrument. These reported results highlight the importance of in situ FT-IR measurements for determining gas adsorption mechanisms in flexible porous coordination polymers.
C1 [Culp, Jeffrey T.; Goodman, A. L.; Chirdon, Danielle; Matranga, Christopher] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Culp, Jeffrey T.] URS Washington Div, Pittsburgh, PA 15236 USA.
[Chirdon, Danielle] Univ Pittsburgh, Pittsburgh, PA 15260 USA.
[Sankar, S. G.] Adv Mat Corp, Pittsburgh, PA 15220 USA.
RP Culp, JT (reprint author), US DOE, Natl Energy Technol Lab, POB 10940, Pittsburgh, PA 15236 USA.
EM Jeffrey.Culp@PP.NETL.DOE.GOV
RI Culp, Jeffrey/B-1219-2010; Garcia-Sanchez, Almudena/B-3303-2009;
Matranga, Christopher/E-4741-2015
OI Culp, Jeffrey/0000-0002-7422-052X; Matranga,
Christopher/0000-0001-7082-5938
FU National Energy Technology Laboratory [DE-AC26-04NT41817]
FX This technical effort was performed in support of the National Energy
Technology Laboratory's ongoing research in CO2 capture
tinder the RDS contract DE-AC26-04NT41817. Reference in this work to any
specific commercial product is to facilitate understanding and does not
necessarily imply endorsement by the United States Department of Energy,
NR 82
TC 23
Z9 23
U1 1
U2 30
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1932-7447
J9 J PHYS CHEM C
JI J. Phys. Chem. C
PD FEB 11
PY 2010
VL 114
IS 5
BP 2184
EP 2191
DI 10.1021/jp908202s
PG 8
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 552ED
UT WOS:000274269700032
ER
PT J
AU Yamamoto, S
Kendelewicz, T
Newberg, JT
Ketteler, G
Starr, DE
Mysak, ER
Andersson, KJ
Ogasawara, H
Bluhm, H
Salmeron, M
Brown, GE
Nilsson, A
AF Yamamoto, Susumu
Kendelewicz, Tom
Newberg, John T.
Ketteler, Guido
Starr, David E.
Mysak, Erin R.
Andersson, Klas J.
Ogasawara, Hirohito
Bluhm, Hendrik
Salmeron, Miquel
Brown, Gordon E., Jr.
Nilsson, Anders
TI Water Adsorption on alpha-Fe2O3(0001) at near Ambient Conditions
SO JOURNAL OF PHYSICAL CHEMISTRY C
LA English
DT Review
ID RAY PHOTOELECTRON-SPECTROSCOPY; SCANNING-TUNNELING-MICROSCOPY;
MOLECULAR-BEAM EPITAXY; HEMATITE 0001 SURFACE; IRON-OXIDE SURFACES;
ELECTRONIC-STRUCTURE; ABSORPTION-SPECTROSCOPY; LEED CRYSTALLOGRAPHY;
GEOMETRIC STRUCTURE; FUNDAMENTAL-ASPECTS
AB We have investigated hydroxylation and water adsorption on alpha-Fe2O3(0001) at water vapor pressures up to 2 Torr and temperatures ranging from 277 to 647 K (relative humidity (RH) <= 34%) using ambient-pressure X-ray photoelectron spectroscopy (XPS). Hydroxylation occurs at the very low RH of 1 x 10(-7) % and precedes the adsorption of molecular water. With increasing RH, the OH coverage increases up to one monolayer (ML) without any distinct threshold pressure. Depth profiling measurements showed that hydroxylation occurs only at the topmost Surface under our experimental conditions. The onset of molecular water adsorption varies from similar to 2 x 10(-5) to similar to 4 x 10(-2) % RH depending on sample temperature and water vapor pressure. The coverage of water reaches 1 ML at similar to 15% RH and increases to 1.5 ML at 34% RH.
C1 [Yamamoto, Susumu; Andersson, Klas J.; Ogasawara, Hirohito; Brown, Gordon E., Jr.; Nilsson, Anders] Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA 94025 USA.
[Kendelewicz, Tom; Brown, Gordon E., Jr.] Stanford Univ, Dept Geol & Environm Sci, Surface & Aqueous Geochem Grp, Stanford, CA 94305 USA.
[Newberg, John T.; Starr, David E.; Mysak, Erin R.; Bluhm, Hendrik] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
[Ketteler, Guido; Salmeron, Miquel] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Andersson, Klas J.; Nilsson, Anders] Stockholm Univ, FYSIKUM, AlbaNova Univ Ctr, SE-10691 Stockholm, Sweden.
[Salmeron, Miquel] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA.
[Nilsson, Anders] SLAC Natl Accelerator Lab, Stanford Inst Mat & Energy Sci, Menlo Pk, CA 94025 USA.
RP Nilsson, A (reprint author), Stanford Synchrotron Radiat Lightsource, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA.
EM nilsson@slac.stanford.edu
RI Yamamoto, Susumu/C-1584-2008; Nilsson, Anders/E-1943-2011; Newberg,
John/E-8961-2010; Ogasawara, Hirohito/D-2105-2009;
OI Yamamoto, Susumu/0000-0002-6116-7993; Nilsson,
Anders/0000-0003-1968-8696; Ogasawara, Hirohito/0000-0001-5338-1079;
Andersson, Klas J./0000-0002-6064-5658
FU National Science Foundation [CHE-0431425]; U.S. Department of Energy
[DE-AC02-05CH11231]; Alexander-von-Humboldt foundation
FX The authors thank Dr. Uwe Bovensiepen (Freie Universitat Berlin) for his
help and valuable discussion during the experiments. This work was
supported by the National Science Foundation under Grant CHE-0431425
(Stanford Environmental Molecular Science Institute) and by the Office
of Biological and Environmental Research, Materials and Chemical
Sciences Divisions of the Lawrence Berkeley National Laboratory, of the
U.S. Department of Energy under Contract No. DE-AC02-05CH11231 through
the Advanced Light Source and the Stanford Synchrotron Radiation
Lightsource. G.K. thanks the Alexander-von-Humboldt foundation for
financial support.
NR 111
TC 87
Z9 87
U1 11
U2 109
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1932-7447
J9 J PHYS CHEM C
JI J. Phys. Chem. C
PD FEB 11
PY 2010
VL 114
IS 5
BP 2256
EP 2266
DI 10.1021/jp909876t
PG 11
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 552ED
UT WOS:000274269700040
ER
PT J
AU Moss, RH
Edmonds, JA
Hibbard, KA
Manning, MR
Rose, SK
van Vuuren, DP
Carter, TR
Emori, S
Kainuma, M
Kram, T
Meehl, GA
Mitchell, JFB
Nakicenovic, N
Riahi, K
Smith, SJ
Stouffer, RJ
Thomson, AM
Weyant, JP
Wilbanks, TJ
AF Moss, Richard H.
Edmonds, Jae A.
Hibbard, Kathy A.
Manning, Martin R.
Rose, Steven K.
van Vuuren, Detlef P.
Carter, Timothy R.
Emori, Seita
Kainuma, Mikiko
Kram, Tom
Meehl, Gerald A.
Mitchell, John F. B.
Nakicenovic, Nebojsa
Riahi, Keywan
Smith, Steven J.
Stouffer, Ronald J.
Thomson, Allison M.
Weyant, John P.
Wilbanks, Thomas J.
TI The next generation of scenarios for climate change research and
assessment
SO NATURE
LA English
DT Article
ID MODEL; ATMOSPHERE; SRES
AB Advances in the science and observation of climate change are providing a clearer understanding of the inherent variability of Earth's climate system and its likely response to human and natural influences. The implications of climate change for the environment and society will depend not only on the response of the Earth system to changes in radiative forcings, but also on how humankind responds through changes in technology, economies, lifestyle and policy. Extensive uncertainties exist in future forcings of and responses to climate change, necessitating the use of scenarios of the future to explore the potential consequences of different response options. To date, such scenarios have not adequately examined crucial possibilities, such as climate change mitigation and adaptation, and have relied on research processes that slowed the exchange of information among physical, biological and social scientists. Here we describe a new process for creating plausible scenarios to investigate some of the most challenging and important questions about climate change confronting the global community.
C1 [Moss, Richard H.; Edmonds, Jae A.; Smith, Steven J.; Thomson, Allison M.] Univ Maryland, Pacific NW Natl Lab, Joint Global Change Res Inst, College Pk, MD 20740 USA.
[Hibbard, Kathy A.; Meehl, Gerald A.] Natl Ctr Atmospher Res, Climate & Global Dynam Div, Boulder, CO 80305 USA.
[Manning, Martin R.] Victoria Univ Wellington, New Zealand Climate Change Res Inst, Wellington, New Zealand.
[Rose, Steven K.] Elect Power Res Inst, Washington, DC 20036 USA.
[van Vuuren, Detlef P.; Kram, Tom] Netherlands Environm Assessment Agcy, NL-3720 AH Bilthoven, Netherlands.
[Carter, Timothy R.] Finnish Environm Inst, Helsinki 00251, Finland.
[Emori, Seita; Kainuma, Mikiko] Natl Inst Environm Studies, Tsukuba, Ibaraki 3058506, Japan.
[Mitchell, John F. B.] Met Off, Exeter EX1 3PB, Devon, England.
[Nakicenovic, Nebojsa; Riahi, Keywan] Int Inst Appl Syst Anal, A-2361 Laxenburg, Austria.
[Nakicenovic, Nebojsa] Vienna Univ Technol, A-1040 Vienna, Austria.
[Stouffer, Ronald J.] NOAA, Geophys Fluid Dynam Lab, Princeton, NJ 08542 USA.
[Weyant, John P.] Stanford Univ, Stanford, CA 94305 USA.
[Wilbanks, Thomas J.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
RP Moss, RH (reprint author), Univ Maryland, Pacific NW Natl Lab, Joint Global Change Res Inst, 5825 Univ Res Court,Suite 3500, College Pk, MD 20740 USA.
EM rhm@pnl.gov
RI van Vuuren, Detlef/A-4764-2009; Riahi, Keywan/B-6426-2011; Thomson,
Allison/B-1254-2010; Emori, Seita/D-1950-2012
OI van Vuuren, Detlef/0000-0003-0398-2831; Riahi,
Keywan/0000-0001-7193-3498; Moss, Richard/0000-0001-5005-0063;
NR 87
TC 1580
Z9 1631
U1 131
U2 881
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 0028-0836
EI 1476-4687
J9 NATURE
JI Nature
PD FEB 11
PY 2010
VL 463
IS 7282
BP 747
EP 756
DI 10.1038/nature08823
PG 10
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 553VG
UT WOS:000274394300028
PM 20148028
ER
PT J
AU Vogel, JP
Garvin, DF
Mockler, TC
Schmutz, J
Rokhsar, D
Bevan, MW
Barry, K
Lucas, S
Harmon-Smith, M
Lail, K
Tice, H
Grimwood, J
McKenzie, N
Huo, NX
Gu, YQ
Lazo, GR
Anderson, OD
You, FM
Luo, MC
Dvorak, J
Wright, J
Febrer, M
Idziak, D
Hasterok, R
Lindquist, E
Wang, M
Fox, SE
Priest, HD
Filichkin, SA
Givan, SA
Bryant, DW
Chang, JH
Wu, HY
Wu, W
Hsia, AP
Schnable, PS
Kalyanaraman, A
Barbazuk, B
Michael, TP
Hazen, SP
Bragg, JN
Laudencia-Chingcuanco, D
Weng, YQ
Haberer, G
Spannagl, M
Mayer, K
Rattei, T
Mitros, T
Lee, SJ
Rose, JKC
Mueller, LA
York, TL
Wicker, T
Buchmann, JP
Tanskanen, J
Schulman, AH
Gundlach, H
de Oliveira, AC
Maia, LD
Belknap, W
Jiang, N
Lai, JS
Zhu, LC
Ma, JX
Sun, C
Pritham, E
Salse, J
Murat, F
Abrouk, M
Bruggmann, R
Messing, J
Fahlgren, N
Sullivan, CM
Carrington, JC
Chapman, EJ
May, GD
Zhai, JX
Ganssmann, M
Gurazada, SGR
German, M
Meyers, BC
Green, PJ
Tyler, L
Wu, JJ
Thomson, J
Chen, S
Scheller, HV
Harholt, J
Ulvskov, P
Kimbrel, JA
Bartley, LE
Cao, PJ
Jung, KH
Sharma, MK
Vega-Sanchez, M
Ronald, P
Dardick, CD
De Bodt, S
Verelst, W
Inze, D
Heese, M
Schnittger, A
Yang, XH
Kalluri, UC
Tuskan, GA
Hua, ZH
Vierstra, RD
Cui, Y
Ouyang, SH
Sun, QX
Liu, ZY
Yilmaz, A
Grotewold, E
Sibout, R
Hematy, K
Mouille, G
Hofte, H
Pelloux, J
O'Connor, D
Schnable, J
Rowe, S
Harmon, F
Cass, CL
Sedbrook, JC
Byrne, ME
Walsh, S
Higgins, J
Li, PH
Brutnell, T
Unver, T
Budak, H
Belcram, H
Charles, M
Chalhoub, B
Baxter, I
AF Vogel, John P.
Garvin, David F.
Mockler, Todd C.
Schmutz, Jeremy
Rokhsar, Dan
Bevan, Michael W.
Barry, Kerrie
Lucas, Susan
Harmon-Smoth, Miranda
Lail, Kathleen
Tice, Hope
Grimwood, Jane
McKenzie, Neil
Huo, Naxin
Gu, Yong Q
Lazo, Gerard R.
Anderson, Olin D.
You, Frank M.
Luo, Ming-Cheng
Dvorak, Jan
Wright, Jan
Febrer, Melanie
Idziak, Dominika
Hasterok, Robert
Lindquist, Erika
Wang, Mei
Fox, Samuel E.
Priest, Henry D.
Filichkin, Sergei A.
Givan, Scott A.
Bryant, Douglas W.
Chang, Jeff H.
Wu, Haiyan
Wu, Wei
Hsia, An-Ping
Schnable, Patrick S.
Kalyanaraman, Anantharaman
Baarbazuk, Brad
Michael, Todd P.
Hazen, Samuel P.
Bragg, Jennifer N.
Laudencia-Chingcuanco, Debbie
Weng, Yiqun
Haberer, Georg
Spannagl, Mianuel
Mayer, Klaus
Rattei, Thomas
Mitros, Therese
Lee, Sang-Jik
Rose, Jocelyn K. C.
Mueller, Lukas A.
York, Thomas L.
Wicker, Thomas
Buchmann, Jan P.
Tanskanen, Jaakko
Schulman, Alan H.
Gundlach, Heidrun
de Oliveira, Antonio Costa
Maia, Luciano da C.
Belknap, William
Jiang, Ning
Lai, Jinsheng
Zhu, Liucun
Ma, Jianxin
Sun, Cheng
Pritham, Ellen
Salse, Jerome
Murat, Florent
Abrouk, Michael
Bruggmann, Remy
Messing, Joachim
Fahlgren, Noah
Sullivan, Christopher M.
Carrington, James C.
Chapman, Elisabeth J.
May, Greg D.
Zhai, Jixian
Ganssmann, Matthias
Gurazada, Sai Guna Ranjan
German, Marcelo
Meyers, Blake C.
Green, Pamela J.
Tyler, Ludmila
Wu, Jiajie
Thomson, James
Chen, Shan
Scheller, Henrik V.
Harholt, Jesper
Ulvskov, Peter
Kimbrel, Jeffrey A.
Bartley, Laura E.
Cao, Peijian
Jung, Ki-Hong
Sharma, Manoj K.
Vega-Sanchez, Miguel
Ronald, Pamela
Dardick, Christopher D.
De Bodt, Stefanie
Verelst, Wim
Inze, Dirk
Heese, Maren
Schnittger, Arp
Yang, Xiaohan
Kalluri, Udaya C.
Tuskan, Gerald A.
Hua, Zhihua
Vierstra, Richard D.
Cui, Yu
Ouyang, Shuhong
Sun, Qixin
Liu, Zhiyong
Yilmaz, Alper
Grotewold, Erich
Sibout, Richard
Hematy, Kian
Mouille, Gregory
Hoefte, Herman
Pelloux, Jerome
O'Connor, Devin
Schbnable, James
Rowe, Scott
Harmon, Frank
Cass, Cynthia L.
Sedbrook, John C.
Byrne, Mary E.
Walsh, Sean
Higgins, Janet
Li, Pinghua
Brutnell, Thomas
Unver, Turgay
Budak, Hikmet
Belcram, Harry
Charles, Mathieu
Chalhoub, Boulos
Baxter, Ivan
CA Int Brachypodium Initiative
TI Genome sequencing and analysis of the model grass Brachypodium
distachyon
SO NATURE
LA English
DT Article
ID AGROBACTERIUM-MEDIATED TRANSFORMATION; INTRASPECIES DIVERSITY; RICE;
EVOLUTION; WHEAT; MAP; ARABIDOPSIS; DIVERGENCE; TRITICEAE;
RETROTRANSPOSONS
AB Three subfamilies of grasses, the Ehrhartoideae, Panicoideae and Pooideae, provide the bulk of human nutrition and are poised to become major sources of renewable energy. Here we describe the genome sequence of the wild grass Brachypodium distachyon (Brachypodium), which is, to our knowledge, the first member of the Pooideae subfamily to be sequenced. Comparison of the Brachypodium, rice and sorghum genomes shows a precise history of genome evolution across a broad diversity of the grasses, and establishes a template for analysis of the large genomes of economically important pooid grasses such as wheat. The high-quality genome sequence, coupled with ease of cultivation and transformation, small size and rapid life cycle, will help Brachypodium reach its potential as an important model system for developing new energy and food crops.
C1 [Vogel, John P.; Huo, Naxin; Gu, Yong Q; Lazo, Gerard R.; Anderson, Olin D.; Bragg, Jennifer N.; Laudencia-Chingcuanco, Debbie; Belknap, William; Tyler, Ludmila; Wu, Jiajie; Thomson, James] USDA ARS, Western Reg Res Ctr, Albany, CA 94710 USA.
[Garvin, David F.] USDA ARS, Plant Sci Res Unit, St Paul, MN 55108 USA.
[Garvin, David F.] Univ Minnesota, St Paul, MN 55108 USA.
[Mockler, Todd C.; Fox, Samuel E.; Priest, Henry D.; Filichkin, Sergei A.; Givan, Scott A.; Bryant, Douglas W.; Chang, Jeff H.; Fahlgren, Noah; Sullivan, Christopher M.; Carrington, James C.; Chapman, Elisabeth J.; Kimbrel, Jeffrey A.] Oregon State Univ, Corvallis, OR 97331 USA.
[Schmutz, Jeremy; Grimwood, Jane] HudsonAlpha Inst, Huntsville, AL 35806 USA.
[Rokhsar, Dan; Barry, Kerrie; Lucas, Susan; Harmon-Smoth, Miranda; Lail, Kathleen; Tice, Hope; Febrer, Melanie; Lindquist, Erika; Wang, Mei] US DOE, Joint Genome Inst, Walnut Creek, CA 94598 USA.
[Rokhsar, Dan; Mitros, Therese; Tyler, Ludmila] Univ Calif Berkeley, Berkeley, CA 94720 USA.
[Bevan, Michael W.; McKenzie, Neil; Wright, Jan; Byrne, Mary E.; Walsh, Sean; Higgins, Janet] John Innes Ctr, Norwich NR4 7UJ, Norfolk, England.
[You, Frank M.; Luo, Ming-Cheng; Dvorak, Jan; Wu, Jiajie; Bartley, Laura E.; Cao, Peijian; Jung, Ki-Hong; Sharma, Manoj K.; Vega-Sanchez, Miguel; Ronald, Pamela] Univ Calif Davis, Davis, CA 95616 USA.
[Idziak, Dominika; Hasterok, Robert] Univ Silesia, Katowice, Poland.
[Wu, Haiyan; Wu, Wei; Hsia, An-Ping; Schnable, Patrick S.] Iowa State Univ, Ames, IA 50011 USA.
[Kalyanaraman, Anantharaman] Washington State Univ, Pullman, WA 99163 USA.
[Baarbazuk, Brad] Univ Florida, Gainesville, FL 32611 USA.
[Michael, Todd P.; Bruggmann, Remy; Messing, Joachim] Rutgers State Univ, Piscataway, NJ 08855 USA.
[Hazen, Samuel P.; Chen, Shan] Univ Massachusetts, Amherst, MA 01003 USA.
[Weng, Yiqun] Univ Wisconsin, USDA ARS, Vegetable Crops Res Unit, Dept Hort, Madison, WI 53706 USA.
[Haberer, Georg; Spannagl, Mianuel; Mayer, Klaus; Gundlach, Heidrun] Helmholtz Zentrum Munchen, D-85764 Neuherberg, Germany.
[Rattei, Thomas] Tech Univ Munich, D-80333 Munich, Germany.
[Lee, Sang-Jik; Rose, Jocelyn K. C.] Cornell Univ, Ithaca, NY 14853 USA.
[Mueller, Lukas A.; York, Thomas L.; Li, Pinghua; Brutnell, Thomas] Boyce Thompson Inst Plant Res, Ithaca, NY 14853 USA.
[Wicker, Thomas; Buchmann, Jan P.] Univ Zurich, CH-8008 Zurich, Switzerland.
[Tanskanen, Jaakko; Schulman, Alan H.] MTT Agrifood Res, FIN-00014 Helsinki, Finland.
[Tanskanen, Jaakko; Schulman, Alan H.] Univ Helsinki, FIN-00014 Helsinki, Finland.
[de Oliveira, Antonio Costa; Maia, Luciano da C.] Univ Fed Pelotas, BR-96001970 Pelotas, RS, Brazil.
[Jiang, Ning] Michigan State Univ, E Lansing, MI 48824 USA.
[Wu, Haiyan; Schnable, Patrick S.; Lai, Jinsheng; Cui, Yu; Ouyang, Shuhong; Sun, Qixin; Liu, Zhiyong] China Agr Univ, Beijing 10094, Peoples R China.
[Zhu, Liucun; Ma, Jianxin] Purdue Univ, W Lafayette, IN 47907 USA.
[Sun, Cheng; Pritham, Ellen] Univ Texas, Arlington, TX 76019 USA.
[Salse, Jerome; Murat, Florent; Abrouk, Michael] INRA, UMR 1095, F-63100 Clermont Ferrand, France.
[Chapman, Elisabeth J.] Univ Calif San Diego, La Jolla, CA 92093 USA.
[May, Greg D.] Natl Ctr Genome Resources, Santa Fe, NM 87505 USA.
[Zhai, Jixian; Ganssmann, Matthias; Gurazada, Sai Guna Ranjan; German, Marcelo; Meyers, Blake C.; Green, Pamela J.] Univ Delaware, Newark, DE 19716 USA.
[Scheller, Henrik V.; Bartley, Laura E.; Cao, Peijian; Jung, Ki-Hong; Sharma, Manoj K.; Vega-Sanchez, Miguel; Ronald, Pamela] Joint Bioenergy Inst, Emeryville, CA 94720 USA.
[Harholt, Jesper; Ulvskov, Peter] Univ Copenhagen, DK-1871 Frederiksberg, Denmark.
[Dardick, Christopher D.] USDA ARS, Appalachian Fruit Res Stn, Kearneysville, WV 25430 USA.
[De Bodt, Stefanie; Verelst, Wim; Inze, Dirk] VIB, VIB Dept Plant Syst Biol, B-9052 Ghent, Belgium.
[De Bodt, Stefanie; Verelst, Wim; Inze, Dirk] Univ Ghent, Dept Plant Biotechnol & Genet, B-9052 Ghent, Belgium.
[Heese, Maren; Schnittger, Arp] CNRS, Inst Biol Mol Plantes, F-67084 Strasbourg, France.
[Yang, Xiaohan; Kalluri, Udaya C.; Tuskan, Gerald A.] BioEnergy Sci Ctr, Oak Ridge, TN 37831 USA.
[Yang, Xiaohan; Kalluri, Udaya C.; Tuskan, Gerald A.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Hua, Zhihua; Vierstra, Richard D.] Univ Wisconsin, Madison, WI 53706 USA.
[Yilmaz, Alper; Grotewold, Erich] Ohio State Univ, Columbus, OH 43210 USA.
[Sibout, Richard; Hematy, Kian; Mouille, Gregory; Hoefte, Herman] INRA, Inst Jean Pierre Bourgin, UMR1318, F-78026 Versailles, France.
[Pelloux, Jerome] Univ Picardie, F-80039 Amiens, France.
[O'Connor, Devin; Schbnable, James; Rowe, Scott; Harmon, Frank] Univ Calif Berkeley, Plant Gene Express Ctr, Albany, CA 94710 USA.
[Cass, Cynthia L.; Sedbrook, John C.] Illinois State Univ, Normal, IL 61790 USA.
[Cass, Cynthia L.; Sedbrook, John C.] DOE, Great Lakes Bioenergy Res Ctr, Normal, IL 61790 USA.
[Unver, Turgay; Budak, Hikmet] Sabanci Univ, T-34956 Istanbul, Turkey.
[Belcram, Harry; Charles, Mathieu; Chalhoub, Boulos] INRA CNRS UEVE, Unite Rech Genomique Vegetale, F-91057 Evry, France.
[Baxter, Ivan] USDA ARS, Donald Danforth Plant Sci Ctr, St Louis, MO 63130 USA.
RP Vogel, JP (reprint author), USDA ARS, Western Reg Res Ctr, Albany, CA 94710 USA.
RI Schnittger, Arp/F-8989-2010; Oliveira, Antonio/F-7508-2012; Fahlgren,
Noah/D-4404-2011; Yang, Xiaohan/A-6975-2011; Schmutz,
Jeremy/N-3173-2013; Abrouk, Michael/F-8516-2014; Ulvskov,
Peter/I-1228-2014; Harholt, Jesper/F-6865-2014; Brutnell,
Thomas/M-2840-2013; Yilmaz, Alper/C-7075-2014; Baxter, Ivan/A-1052-2009;
Mockler, Todd/L-2609-2013; Rattei, Thomas/F-1366-2011; Carrington,
James/A-4656-2012; Meyers, Blake/B-6535-2012; Maia, Luciano/G-4005-2016;
Mayer, Klaus/M-7941-2015; Schulman, Alan/A-9322-2011; Budak,
Hikmet/F-4708-2010; Scheller, Henrik/A-8106-2008; KALLURI,
UDAYA/A-6218-2011; Tuskan, Gerald/A-6225-2011; Unver,
Turgay/B-4819-2009; Higgins, Janet/A-5002-2011; Mueller,
Lukas/E-8840-2011; Harholt, Jesper/F-3760-2011; Hua, Zhihua/B-8835-2012;
Luo, Ming-Cheng/C-5600-2011; Jiang, Ning/G-6546-2012; Vega-Sanchez,
Miguel/K-3072-2012; Lazo, Gerard/A-8900-2009;
OI Schnittger, Arp/0000-0001-7067-0091; Oliveira,
Antonio/0000-0001-8835-8071; Fahlgren, Noah/0000-0002-5597-4537; Yang,
Xiaohan/0000-0001-5207-4210; Michael, Todd/0000-0001-6272-2875;
Schnable, James/0000-0001-6739-5527; York, Thomas/0000-0002-6829-5816;
zhu, liucun/0000-0002-8334-0216; Schmutz, Jeremy/0000-0001-8062-9172;
Abrouk, Michael/0000-0001-9082-1432; Ulvskov, Peter/0000-0003-3776-818X;
Harholt, Jesper/0000-0002-7984-0066; Brutnell,
Thomas/0000-0002-3581-8211; Yilmaz, Alper/0000-0002-8827-4887; Baxter,
Ivan/0000-0001-6680-1722; Mockler, Todd/0000-0002-0462-5775; Rattei,
Thomas/0000-0002-0592-7791; Carrington, James/0000-0003-3572-129X;
Meyers, Blake/0000-0003-3436-6097; Maia, Luciano/0000-0002-4371-261X;
Mayer, Klaus/0000-0001-6484-1077; Bartley, Laura/0000-0001-8610-7551;
Vogel, John/0000-0003-1786-2689; Buchmann, Jan
Piotr/0000-0002-6842-1229; Schulman, Alan/0000-0002-4126-6177; Budak,
Hikmet/0000-0002-2556-2478; Scheller, Henrik/0000-0002-6702-3560;
Tuskan, Gerald/0000-0003-0106-1289; Unver, Turgay/0000-0001-6760-443X;
Vega-Sanchez, Miguel/0000-0003-0128-2743; Lazo,
Gerard/0000-0002-9160-2052; KALLURI, UDAYA/0000-0002-5963-8370; Givan,
Scott/0000-0002-0630-8589; Inze, Dirk/0000-0002-3217-8407
FU US Department of Energy Joint Genome Institute; BBSRC; EU; GABI Barlex;
Oregon State Agricultural Research Foundation
FX We acknowledge the contributions of the late M. Gale, who identified the
importance of conserved gene order in grass genomes. This work was
mainly supported by the US Department of Energy Joint Genome Institute
Community Sequencing Program project with J.P.V., D. F. G., T. C. M. and
M. W. B., a BBSRC grant to M. W. B., an EU Contract Agronomics grant to
M. W. B. and K. F. X. M., and GABI Barlex grant to K. F. X. M. Illumina
transcriptome sequencing was supported by a DOE Plant Feedstock Genomics
for Bioenergy grant and an Oregon State Agricultural Research Foundation
grant to T. C. M.; small RNA research was supported by the DOE Plant
Feedstock Genomics for Bioenergy grants to P.J.G. and T. C. M.;
annotation was supported by a DOE Plant Feedstocks for Genomics
Bioenergy grant to J.P.V. A full list of support and acknowledgements is
in the Supplementary Information.
NR 46
TC 709
Z9 731
U1 29
U2 241
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 0028-0836
EI 1476-4687
J9 NATURE
JI Nature
PD FEB 11
PY 2010
VL 463
IS 7282
BP 763
EP 768
DI 10.1038/nature08747
PG 6
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 553VG
UT WOS:000274394300030
ER
PT J
AU Garcia, MA
Ali, MN
Chang, NN
Parsons-Moss, T
Ashby, PD
Gates, JM
Stavsetra, L
Gregorich, KE
Nitsche, H
AF Garcia, Mitch A.
Ali, Mazhar N.
Chang, Noel N.
Parsons-Moss, T.
Ashby, Paul D.
Gates, Jacklyn M.
Stavsetra, Liv
Gregorich, Kenneth E.
Nitsche, Heino
TI Metal oxide targets produced by the polymer-assisted deposition method
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS
SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
LA English
DT Article; Proceedings Paper
CT 24th World Conference of the
International-Nuclear-Target-Development-Society
CY SEP 15-19, 2008
CL Caen, FRANCE
SP Int Nucl Target Dev Soc
DE Polymer-assisted deposition; Target production; Metal oxide
ID THIN-FILMS; ELECTRODEPOSITION
AB The polymer-assisted deposition (PAD) method was used to create crack-free homogenous metal oxide films for use as targets in nuclear science applications. Metal oxide films of europium, thulium, and hafnium were prepared as models for actinide oxides. Films produced by a single application of PAD were homogenous and uniform and ranged in thickness from 30 to 320 nm. Reapplication of the PAD method (six times) with a 10% by weight hafnium(IV) solution resulted in an equally homogeneous and uniform film with a total thickness of 600 nm. (C)2009 Elsevier B.V. All rights reserved.
C1 [Garcia, Mitch A.; Ali, Mazhar N.; Chang, Noel N.; Parsons-Moss, T.; Gates, Jacklyn M.; Gregorich, Kenneth E.; Nitsche, Heino] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Garcia, Mitch A.; Ali, Mazhar N.; Chang, Noel N.; Parsons-Moss, T.; Ashby, Paul D.; Gates, Jacklyn M.; Stavsetra, Liv; Gregorich, Kenneth E.; Nitsche, Heino] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Garcia, MA (reprint author), Univ Calif Berkeley, Dept Chem, Room 446 Latimer Hall, Berkeley, CA 94720 USA.
EM mitch@berkeley.edu
RI Garcia, Mitch/G-2413-2010; Ali, Mazhar/C-6473-2013
OI Ali, Mazhar/0000-0002-1129-6105
NR 10
TC 2
Z9 2
U1 0
U2 12
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0168-9002
J9 NUCL INSTRUM METH A
JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc.
Equip.
PD FEB 11
PY 2010
VL 613
IS 3
BP 396
EP 400
DI 10.1016/j.nima.2009.09.084
PG 5
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Nuclear; Physics, Particles & Fields
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA 569JX
UT WOS:000275593500013
ER
PT J
AU Steski, DB
Thieberger, P
AF Steski, D. B.
Thieberger, P.
TI Stripping foils at RHIC
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS
SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
LA English
DT Article; Proceedings Paper
CT 24th World Conference of the
International-Nuclear-Target-Development-Society
CY SEP 15-19, 2008
CL Caen, FRANCE
SP Int Nucl Target Dev Soc
DE Carbon-C; Micro-ribbon target; Vacuum deposition
AB There are two major science programs at the relativistic heavy ion collider (RHIC). These are the heavy ion programs, which collide beams of fully stripped ions, and the polarized proton program. A wide variety of stripper foils and carbon targets are used throughout the RHIC accelerator chain to facilitate these collisions. Each stripper and target has unique properties and functions. Those characteristics will be discussed, as well as recent efforts to improve their performance. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Steski, D. B.; Thieberger, P.] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Steski, DB (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
EM Steski@bnl.gov
NR 6
TC 0
Z9 0
U1 0
U2 0
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0168-9002
J9 NUCL INSTRUM METH A
JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc.
Equip.
PD FEB 11
PY 2010
VL 613
IS 3
BP 439
EP 441
DI 10.1016/j.nima.2009.09.096
PG 3
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Nuclear; Physics, Particles & Fields
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA 569JX
UT WOS:000275593500025
ER
PT J
AU Greene, JP
Lee, HY
Becker, HW
AF Greene, John P.
Lee, Hye Young
Becker, Hans-Werner
TI Preparation of thin metallic titanium foils as hydrogen targets
SO NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS
SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
LA English
DT Article; Proceedings Paper
CT 24th World Conference of the
International-Nuclear-Target-Development-Society
CY SEP 15-19, 2008
CL Caen, FRANCE
SP Int Nucl Target Dev Soc
DE Hydrogen target; Titanium; Electron beam evaporation
AB Its a recently proposed study to resolve the discrepancy for the cross-section from the inverse reaction (21)Ne(p,alpha)(18)F, important in calculations of asymptotic giant branch (AGB) stellar nucleosynthesis, a hydrogen target was required. Another important consideration for studying this reaction involves the isotopic abundance of Ne measured in stellar silicon carbide (SiC) grains found in meteorites. The measurement consists of the time-reversed reaction in inverse kinematics (1)H((21)Ne,alpha)(18)F at the resonance energy. Using a stable (21)Ne beam, high currents are anticipated requiring a robust hydrogen-containing target. A metal hydride foil would be more apt to withstand the bombardment over a plastic polyethylene target. For this purpose we chose titanium hydride, as the easily produced titanium foils can be reacted with hydrogen to produce the needed targets. Details of the methods of production as well as target characteristics and performance are discussed. Published by Elsevier B.V.
C1 [Greene, John P.; Lee, Hye Young] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
[Becker, Hans-Werner] Ruhr Univ Bochum, Dept Phys & Astron, Bochum, Germany.
RP Greene, JP (reprint author), Argonne Natl Lab, Div Phys, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM greene@anl.gov
NR 12
TC 2
Z9 3
U1 0
U2 0
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0168-9002
J9 NUCL INSTRUM METH A
JI Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc.
Equip.
PD FEB 11
PY 2010
VL 613
IS 3
BP 462
EP 464
DI 10.1016/j.nima.2009.10.004
PG 3
WC Instruments & Instrumentation; Nuclear Science & Technology; Physics,
Nuclear; Physics, Particles & Fields
SC Instruments & Instrumentation; Nuclear Science & Technology; Physics
GA 569JX
UT WOS:000275593500030
ER
PT J
AU Ye, M
Lu, D
Neuman, SP
Meyer, PD
AF Ye, Ming
Lu, Dan
Neuman, Shlomo P.
Meyer, Philip D.
TI Comment on "Inverse groundwater modeling for hydraulic conductivity
estimation using Bayesian model averaging and variance window" by Frank
T.-C. Tsai and Xiaobao Li
SO WATER RESOURCES RESEARCH
LA English
DT Editorial Material
C1 [Ye, Ming; Lu, Dan] Florida State Univ, Dept Comp Sci, Tallahassee, FL 32306 USA.
[Neuman, Shlomo P.] Univ Arizona, Dept Hydrol & Water Resources, Tucson, AZ 85721 USA.
[Meyer, Philip D.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Ye, M (reprint author), Florida State Univ, Dept Comp Sci, Tallahassee, FL 32306 USA.
EM mye@fsu.edu
RI Ye, Ming/A-5964-2008;
OI Meyer, Philip/0000-0002-8714-4693
NR 7
TC 18
Z9 18
U1 0
U2 7
PU AMER GEOPHYSICAL UNION
PI WASHINGTON
PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA
SN 0043-1397
EI 1944-7973
J9 WATER RESOUR RES
JI Water Resour. Res.
PD FEB 11
PY 2010
VL 46
AR W02801
DI 10.1029/2009WR008501
PG 3
WC Environmental Sciences; Limnology; Water Resources
SC Environmental Sciences & Ecology; Marine & Freshwater Biology; Water
Resources
GA 554WM
UT WOS:000274466300001
ER
PT J
AU Abbasi, R
Abdou, Y
Abu-Zayyad, T
Adams, J
Aguilar, JA
Ahlers, M
Andeen, K
Auffenberg, J
Bai, X
Baker, M
Barwick, SW
Bay, R
Alba, JLB
Beattie, K
Beatty, JJ
Bechet, S
Becker, JK
Becker, KH
Benabderrahmane, ML
Berdermann, J
Berghaus, P
Berley, D
Bernardini, E
Bertrand, D
Besson, DZ
Bissok, M
Blaufuss, E
Boersma, DJ
Bohm, C
Bolmont, J
Botner, O
Bradley, L
Braun, J
Breder, D
Castermans, T
Chirkin, D
Christy, B
Clem, J
Cohen, S
Cowen, DF
D'Agostino, MV
Danninger, M
Day, CT
De Clercq, C
Demirors, L
Depaepe, O
Descamps, F
Desiati, P
de Vries-Uiterweerd, G
DeYoung, T
Diaz-Velez, JC
Dreyer, J
Dumm, JP
Duvoort, MR
Edwards, WR
Ehrlich, R
Eisch, J
Ellsworth, RW
Engdegard, O
Euler, S
Evenson, PA
Fadiran, O
Fazely, AR
Feusels, T
Filimonov, K
Finley, C
Foerster, MM
Fox, BD
Franckowiak, A
Franke, R
Gaisser, TK
Gallagher, J
Ganugapati, R
Gerhardt, L
Gladstone, L
Goldschmidt, A
Goodman, JA
Gozzini, R
Grant, D
Griesel, T
Gro, A
Grullon, S
Gunasingha, RM
Gurtner, M
Ha, C
Hallgren, A
Halzen, F
Han, K
Hanson, K
Hasegawa, Y
Heise, J
Helbing, K
Herquet, P
Hickford, S
Hill, GC
Hoffman, KD
Hoshina, K
Hubert, D
Huelsnitz, W
Hulss, JP
Hulth, PO
Hultqvist, K
Hussain, S
Imlay, RL
Inaba, M
Ishihara, A
Jacobsen, J
Japaridze, GS
Johansson, H
Joseph, JM
Kampert, KH
Kappes, A
Karg, T
Karle, A
Kelley, JL
Kenny, P
Kiryluk, J
Kislat, F
Klein, SR
Knops, S
Kohnen, G
Kolanoski, H
Kopke, L
Kowalski, M
Kowarik, T
Krasberg, M
Kuehn, K
Kuwabara, T
Labare, M
Lafebre, S
Laihem, K
Landsman, H
Lauer, R
Lennarz, D
Lucke, A
Lundberg, J
Lunemann, J
Madsen, J
Majumdar, P
Maruyama, R
Mase, K
Matis, HS
McParland, CP
Meagher, K
Merck, M
Meszaros, P
Middell, E
Milke, N
Miyamoto, H
Mohr, A
Montaruli, T
Morse, R
Movit, SM
Nahnhauer, R
Nam, JW
Niessen, P
Nygren, DR
Odrowski, S
Olivas, A
Olivo, M
Ono, M
Panknin, S
Patton, S
de los Heros, CP
Petrovic, J
Piegsa, A
Pieloth, D
Pohl, AC
Porrata, R
Potthoff, N
Price, PB
Prikockis, M
Przybylski, GT
Rawlins, K
Redl, P
Resconi, E
Rhode, W
Ribordy, M
Rizzo, A
Rodrigues, JP
Roth, P
Rothmaier, F
Rott, C
Roucelle, C
Rutledge, D
Ryckbosch, D
Sander, HG
Sarkar, S
Schlenstedt, S
Schmidt, T
Schneider, D
Schukraft, A
Schulz, O
Schunck, M
Seckel, D
Semburg, B
Seo, SH
Sestayo, Y
Seunarine, S
Silvestri, A
Slipak, A
Spiczak, GM
Spiering, C
Stamatikos, M
Stanev, T
Stephens, G
Stezelberger, T
Stokstad, RG
Stoufer, MC
Stoyanov, S
Strahler, EA
Straszheim, T
Sulanke, KH
Sullivan, GW
Swillens, Q
Taboada, I
Tamburro, A
Tarasova, O
Tepe, A
Ter-Antonyan, S
Terranova, C
Tilav, S
Toale, PA
Tooker, J
Tosi, D
Turcan, D
van Eijndhoven, N
Vandenbroucke, J
Van Overloop, A
Voigt, B
Walck, C
Waldenmaier, T
Walter, M
Wendt, C
Westerhoff, S
Whitehorn, N
Wiebusch, CH
Wiedemann, A
Wikstrom, G
Williams, DR
Wischnewski, R
Wissing, H
Woschnagg, K
Xu, XW
Yodh, G
Yoshida, S
AF Abbasi, R.
Abdou, Y.
Abu-Zayyad, T.
Adams, J.
Aguilar, J. A.
Ahlers, M.
Andeen, K.
Auffenberg, J.
Bai, X.
Baker, M.
Barwick, S. W.
Bay, R.
Alba, J. L. Bazo
Beattie, K.
Beatty, J. J.
Bechet, S.
Becker, J. K.
Becker, K. -H.
Benabderrahmane, M. L.
Berdermann, J.
Berghaus, P.
Berley, D.
Bernardini, E.
Bertrand, D.
Besson, D. Z.
Bissok, M.
Blaufuss, E.
Boersma, D. J.
Bohm, C.
Bolmont, J.
Botner, O.
Bradley, L.
Braun, J.
Breder, D.
Castermans, T.
Chirkin, D.
Christy, B.
Clem, J.
Cohen, S.
Cowen, D. F.
D'Agostino, M. V.
Danninger, M.
Day, C. T.
De Clercq, C.
Demiroers, L.
Depaepe, O.
Descamps, F.
Desiati, P.
de Vries-Uiterweerd, G.
DeYoung, T.
Diaz-Velez, J. C.
Dreyer, J.
Dumm, J. P.
Duvoort, M. R.
Edwards, W. R.
Ehrlich, R.
Eisch, J.
Ellsworth, R. W.
Engdegard, O.
Euler, S.
Evenson, P. A.
Fadiran, O.
Fazely, A. R.
Feusels, T.
Filimonov, K.
Finley, C.
Foerster, M. M.
Fox, B. D.
Franckowiak, A.
Franke, R.
Gaisser, T. K.
Gallagher, J.
Ganugapati, R.
Gerhardt, L.
Gladstone, L.
Goldschmidt, A.
Goodman, J. A.
Gozzini, R.
Grant, D.
Griesel, T.
Gro, A.
Grullon, S.
Gunasingha, R. M.
Gurtner, M.
Ha, C.
Hallgren, A.
Halzen, F.
Han, K.
Hanson, K.
Hasegawa, Y.
Heise, J.
Helbing, K.
Herquet, P.
Hickford, S.
Hill, G. C.
Hoffman, K. D.
Hoshina, K.
Hubert, D.
Huelsnitz, W.
Huelss, J. -P.
Hulth, P. O.
Hultqvist, K.
Hussain, S.
Imlay, R. L.
Inaba, M.
Ishihara, A.
Jacobsen, J.
Japaridze, G. S.
Johansson, H.
Joseph, J. M.
Kampert, K. -H.
Kappes, A.
Karg, T.
Karle, A.
Kelley, J. L.
Kenny, P.
Kiryluk, J.
Kislat, F.
Klein, S. R.
Knops, S.
Kohnen, G.
Kolanoski, H.
Koepke, L.
Kowalski, M.
Kowarik, T.
Krasberg, M.
Kuehn, K.
Kuwabara, T.
Labare, M.
Lafebre, S.
Laihem, K.
Landsman, H.
Lauer, R.
Lennarz, D.
Lucke, A.
Lundberg, J.
Luenemann, J.
Madsen, J.
Majumdar, P.
Maruyama, R.
Mase, K.
Matis, H. S.
McParland, C. P.
Meagher, K.
Merck, M.
Meszaros, P.
Middell, E.
Milke, N.
Miyamoto, H.
Mohr, A.
Montaruli, T.
Morse, R.
Movit, S. M.
Nahnhauer, R.
Nam, J. W.
Niessen, P.
Nygren, D. R.
Odrowski, S.
Olivas, A.
Olivo, M.
Ono, M.
Panknin, S.
Patton, S.
de los Heros, C. Perez
Petrovic, J.
Piegsa, A.
Pieloth, D.
Pohl, A. C.
Porrata, R.
Potthoff, N.
Price, P. B.
Prikockis, M.
Przybylski, G. T.
Rawlins, K.
Redl, P.
Resconi, E.
Rhode, W.
Ribordy, M.
Rizzo, A.
Rodrigues, J. P.
Roth, P.
Rothmaier, F.
Rott, C.
Roucelle, C.
Rutledge, D.
Ryckbosch, D.
Sander, H. -G.
Sarkar, S.
Schlenstedt, S.
Schmidt, T.
Schneider, D.
Schukraft, A.
Schulz, O.
Schunck, M.
Seckel, D.
Semburg, B.
Seo, S. H.
Sestayo, Y.
Seunarine, S.
Silvestri, A.
Slipak, A.
Spiczak, G. M.
Spiering, C.
Stamatikos, M.
Stanev, T.
Stephens, G.
Stezelberger, T.
Stokstad, R. G.
Stoufer, M. C.
Stoyanov, S.
Strahler, E. A.
Straszheim, T.
Sulanke, K. -H.
Sullivan, G. W.
Swillens, Q.
Taboada, I.
Tamburro, A.
Tarasova, O.
Tepe, A.
Ter-Antonyan, S.
Terranova, C.
Tilav, S.
Toale, P. A.
Tooker, J.
Tosi, D.
Turcan, D.
van Eijndhoven, N.
Vandenbroucke, J.
Van Overloop, A.
Voigt, B.
Walck, C.
Waldenmaier, T.
Walter, M.
Wendt, C.
Westerhoff, S.
Whitehorn, N.
Wiebusch, C. H.
Wiedemann, A.
Wikstroem, G.
Williams, D. R.
Wischnewski, R.
Wissing, H.
Woschnagg, K.
Xu, X. W.
Yodh, G.
Yoshida, S.
CA IceCube Collaboration
TI SEARCH FOR MUON NEUTRINOS FROM GAMMA-RAY BURSTS WITH THE IceCube
NEUTRINO TELESCOPE
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE gamma-ray burst: general; methods: data analysis; neutrinos; telescopes
ID HIGH-ENERGY NEUTRINOS; COSMIC-RAYS; UPPER LIMITS; GRB 970417A; EMISSION;
AMANDA; TEV; CONSTRAINTS; AFTERGLOW; FIREBALLS
AB We present the results of searches for high-energy muon neutrinos from 41 gamma-ray bursts (GRBs) in the northern sky with the IceCube detector in its 22 string configuration active in 2007/2008. The searches cover both the prompt and a possible precursor emission as well as a model-independent, wide time window of -1 hr to + 3 hr around each GRB. In contrast to previous searches with a large GRB population, we do not utilize a standard Waxman-Bahcall GRB flux for the prompt emission but calculate individual neutrino spectra for all 41 GRBs from the burst parameters measured by satellites. For all of the three time windows, the best estimate for the number of signal events is zero. Therefore, we place 90% CL upper limits on the fluence from the prompt phase of 3.7 x 10(-3) erg cm(-2) (72 TeV-6.5 PeV) and on the fluence from the precursor phase of 2.3 x 10(-3) erg cm(-2) (2.2-55 TeV), where the quoted energy ranges contain 90% of the expected signal events in the detector. The 90% CL upper limit for the wide time window is 2.7 x 10(-3) erg cm(-2) (3 TeV-2.8 PeV) assuming an E-2 flux.
C1 [Abbasi, R.; Aguilar, J. A.; Andeen, K.; Baker, M.; Berghaus, P.; Boersma, D. J.; Braun, J.; Chirkin, D.; Desiati, P.; Diaz-Velez, J. C.; Dumm, J. P.; Eisch, J.; Finley, C.; Ganugapati, R.; Gladstone, L.; Grullon, S.; Halzen, F.; Hanson, K.; Hill, G. C.; Hoshina, K.; Jacobsen, J.; Kappes, A.; Karle, A.; Kelley, J. L.; Krasberg, M.; Landsman, H.; Maruyama, R.; Merck, M.; Montaruli, T.; Morse, R.; Rodrigues, J. P.; Schneider, D.; Strahler, E. A.; Wendt, C.; Westerhoff, S.; Whitehorn, N.] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA.
[Abdou, Y.; Descamps, F.; de Vries-Uiterweerd, G.; Ryckbosch, D.; Van Overloop, A.] Univ Ghent, Dept Subatom & Radiat Phys, B-9000 Ghent, Belgium.
[Abu-Zayyad, T.; Madsen, J.; Spiczak, G. M.; Tamburro, A.] Univ Wisconsin, Dept Phys, River Falls, WI 54022 USA.
[Adams, J.; Gro, A.; Han, K.; Hickford, S.; Seunarine, S.] Univ Canterbury, Dept Phys & Astron, Christchurch 1, New Zealand.
[Ahlers, M.; Sarkar, S.] Univ Oxford, Dept Phys, Oxford OX1 3NP, England.
[Auffenberg, J.; Becker, K. -H.; Breder, D.; Gurtner, M.; Helbing, K.; Kampert, K. -H.; Karg, T.; Potthoff, N.; Semburg, B.; Tepe, A.] Univ Wuppertal, Dept Phys, D-42119 Wuppertal, Germany.
[Bai, X.; Clem, J.; Evenson, P. A.; Gaisser, T. K.; Hussain, S.; Kuwabara, T.; Niessen, P.; Seckel, D.; Stanev, T.; Stoyanov, S.; Tilav, S.] Univ Delaware, Bartol Res Inst, Newark, DE 19716 USA.
[Bai, X.; Clem, J.; Evenson, P. A.; Gaisser, T. K.; Hussain, S.; Kuwabara, T.; Niessen, P.; Seckel, D.; Stanev, T.; Stoyanov, S.; Tilav, S.] Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA.
[Barwick, S. W.; Nam, J. W.; Silvestri, A.; Yodh, G.] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA.
[Bay, R.; D'Agostino, M. V.; Filimonov, K.; Gerhardt, L.; Kiryluk, J.; Klein, S. R.; Porrata, R.; Price, P. B.; Vandenbroucke, J.; Woschnagg, K.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Alba, J. L. Bazo; Benabderrahmane, M. L.; Berdermann, J.; Bernardini, E.; Bolmont, J.; Franke, R.; Kislat, F.; Lauer, R.; Majumdar, P.; Middell, E.; Nahnhauer, R.; Schlenstedt, S.; Spiering, C.; Sulanke, K. -H.; Tarasova, O.; Tosi, D.; Voigt, B.; Walter, M.; Wischnewski, R.] DESY, D-15735 Zeuthen, Germany.
[Beattie, K.; Day, C. T.; Edwards, W. R.; Gerhardt, L.; Goldschmidt, A.; Joseph, J. M.; Kiryluk, J.; Klein, S. R.; Matis, H. S.; McParland, C. P.; Nygren, D. R.; Patton, S.; Przybylski, G. T.; Stezelberger, T.; Stokstad, R. G.; Stoufer, M. C.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Beatty, J. J.; Kuehn, K.; Rott, C.; Stamatikos, M.] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA.
[Beatty, J. J.; Kuehn, K.; Rott, C.; Stamatikos, M.] Ohio State Univ, Ctr Cosmol & Astroparticle Phys, Columbus, OH 43210 USA.
[Beatty, J. J.] Ohio State Univ, Dept Astron, Columbus, OH 43210 USA.
[Bechet, S.; Bertrand, D.; Labare, M.; Petrovic, J.; Swillens, Q.] Univ Libre Bruxelles, Fac Sci, B-1050 Brussels, Belgium.
[Becker, J. K.; Dreyer, J.; Milke, N.; Pieloth, D.; Rhode, W.; Wiedemann, A.] TU Dortmund Univ, Dept Phys, D-44221 Dortmund, Germany.
[Berley, D.; Blaufuss, E.; Christy, B.; Ehrlich, R.; Ellsworth, R. W.; Goodman, J. A.; Hoffman, K. D.; Huelsnitz, W.; Meagher, K.; Olivas, A.; Redl, P.; Roth, P.; Schmidt, T.; Straszheim, T.; Sullivan, G. W.; Turcan, D.; Wissing, H.] Univ Maryland, Dept Phys, College Pk, MD 20742 USA.
[Besson, D. Z.; Kenny, P.] Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA.
[Bissok, M.; Euler, S.; Huelss, J. -P.; Knops, S.; Laihem, K.; Lennarz, D.; Schukraft, A.; Schunck, M.; Wiebusch, C. H.; Wissing, H.] Univ Aachen, Rhein Westfal TH Aachen, Inst Phys 3, D-52056 Aachen, Germany.
[Bohm, C.; Danninger, M.; Hulth, P. O.; Hultqvist, K.; Johansson, H.; Nygren, D. R.; Seo, S. H.; Walck, C.; Wikstroem, G.] Stockholm Univ, Oskar Klein Ctr, SE-10691 Stockholm, Sweden.
[Bohm, C.; Danninger, M.; Hulth, P. O.; Hultqvist, K.; Johansson, H.; Nygren, D. R.; Seo, S. H.; Walck, C.; Wikstroem, G.] Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden.
[Botner, O.; Engdegard, O.; Hallgren, A.; Lundberg, J.; Olivo, M.; de los Heros, C. Perez; Pohl, A. C.] Uppsala Univ, Dept Phys & Astron, S-75120 Uppsala, Sweden.
[Bradley, L.; Cowen, D. F.; DeYoung, T.; Foerster, M. M.; Fox, B. D.; Grant, D.; Ha, C.; Lafebre, S.; Meszaros, P.; Prikockis, M.; Rutledge, D.; Slipak, A.; Stephens, G.; Toale, P. A.] Penn State Univ, Dept Phys, University Pk, PA 16802 USA.
[Castermans, T.; Herquet, P.; Kohnen, G.] Univ Mons, B-7000 Mons, Belgium.
[Cohen, S.; Demiroers, L.; Ribordy, M.; Terranova, C.] Ecole Polytech Fed Lausanne, High Energy Phys Lab, CH-1015 Lausanne, Switzerland.
[Cowen, D. F.; Meszaros, P.; Movit, S. M.] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA.
[De Clercq, C.; Depaepe, O.; Hubert, D.; Rizzo, A.] Vrije Univ Brussel, Dienst ELEM, B-1050 Brussels, Belgium.
[Duvoort, M. R.; Heise, J.; van Eijndhoven, N.] Univ Utrecht, Dept Phys & Astron, SRON, NL-3584 CC Utrecht, Netherlands.
[Fadiran, O.; Japaridze, G. S.] Clark Atlanta Univ, CTSPS, Atlanta, GA 30314 USA.
[Fazely, A. R.; Gunasingha, R. M.; Imlay, R. L.; Ter-Antonyan, S.; Xu, X. W.] So Univ, Dept Phys, Baton Rouge, LA 70813 USA.
[Franckowiak, A.; Kolanoski, H.; Kowalski, M.; Lucke, A.; Mohr, A.; Panknin, S.; Waldenmaier, T.] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany.
[Gallagher, J.] Univ Wisconsin, Dept Astron, Madison, WI 53706 USA.
[Gozzini, R.; Griesel, T.; Koepke, L.; Kowarik, T.; Luenemann, J.; Piegsa, A.; Rothmaier, F.; Sander, H. -G.] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany.
[Gro, A.; Odrowski, S.; Resconi, E.; Roucelle, C.; Schulz, O.; Sestayo, Y.] Max Planck Inst Kernphys, D-69177 Heidelberg, Germany.
[Hasegawa, Y.; Inaba, M.; Ishihara, A.; Mase, K.; Miyamoto, H.; Ono, M.; Yoshida, S.] Chiba Univ, Dept Phys, Chiba 2638522, Japan.
[Kappes, A.] Univ Erlangen Nurnberg, Inst Phys, D-91058 Erlangen, Germany.
[Pohl, A. C.] Kalmar Univ, Sch Pure & Appl Nat Sci, S-39182 Kalmar, Sweden.
[Rawlins, K.] Univ Alaska Anchorage, Dept Phys & Astron, Anchorage, AK 99508 USA.
[Taboada, I.; Tooker, J.] Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA.
[Taboada, I.; Tooker, J.] Georgia Inst Technol, Ctr Relativist Astrophys, Atlanta, GA 30332 USA.
[Williams, D. R.] Univ Alabama, Dept Phys & Astron, Tuscaloosa, AL 35487 USA.
RP Abbasi, R (reprint author), Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA.
RI Wiebusch, Christopher/G-6490-2012; Kowalski, Marek/G-5546-2012;
Tamburro, Alessio/A-5703-2013; Hallgren, Allan/A-8963-2013; Botner,
Olga/A-9110-2013; Tjus, Julia/G-8145-2012; Auffenberg, Jan/D-3954-2014;
Aguilar Sanchez, Juan Antonio/H-4467-2015; Maruyama, Reina/A-1064-2013;
Sarkar, Subir/G-5978-2011; Beatty, James/D-9310-2011;
OI Perez de los Heros, Carlos/0000-0002-2084-5866; Hubert,
Daan/0000-0002-4365-865X; Benabderrahmane, Mohamed
Lotfi/0000-0003-4410-5886; Schukraft, Anne/0000-0002-9112-5479;
Wiebusch, Christopher/0000-0002-6418-3008; Auffenberg,
Jan/0000-0002-1185-9094; Aguilar Sanchez, Juan
Antonio/0000-0003-2252-9514; Maruyama, Reina/0000-0003-2794-512X;
Sarkar, Subir/0000-0002-3542-858X; Beatty, James/0000-0003-0481-4952;
Ter-Antonyan, Samvel/0000-0002-5788-1369
FU U.S. National Science Foundation-Office; U.S. National Science
Foundation-Physics Division, University of Wisconsin Alumni Research
Foundation; U.S. Department of Energy; National Energy Research
Scientific Computing Center; Louisiana Optical Network Initiative
(LONI); Swedish Research Council; Swedish Polar Research Secretariat;
Knut and Alice Wallenberg Foundation, Sweden; German Ministry for
Education and Research (BMBF); Deutsche Forschungsgemeinschaft (DFG),
Germany; FNRS-FWO; Flanders Institute; Belgian Federal Science Policy
Office (Belspo); Netherlands Organisation for Scientific Research (NWO);
Marsden Fund, New Zealand; SNF (Switzerland); EU; Capes Foundation,
Ministry of Education of Brazil
FX We acknowledge the support from the following agencies: U.S. National
Science Foundation-Office of Polar Program, U.S. National Science
Foundation-Physics Division, University of Wisconsin Alumni Research
Foundation, U.S. Department of Energy, and National Energy Research
Scientific Computing Center, the Louisiana Optical Network Initiative
(LONI) grid computing resources; Swedish Research Council, Swedish Polar
Research Secretariat, and Knut and Alice Wallenberg Foundation, Sweden;
German Ministry for Education and Research (BMBF), Deutsche
Forschungsgemeinschaft (DFG), Germany; Fund for Scientific Research
(FNRS-FWO), Flanders Institute to encourage scientific and technological
research in industry (IWT), Belgian Federal Science Policy Office
(Belspo); the Netherlands Organisation for Scientific Research (NWO);
Marsden Fund, New Zealand; M. Ribordy acknowledges the support of the
SNF (Switzerland); A. Kappes and A. Gross acknowledge support by the EU
Marie Curie OIF Program; J. P. Rodrigues acknowledge support by the
Capes Foundation, Ministry of Education of Brazil.
NR 66
TC 60
Z9 61
U1 1
U2 6
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0004-637X
EI 1538-4357
J9 ASTROPHYS J
JI Astrophys. J.
PD FEB 10
PY 2010
VL 710
IS 1
BP 346
EP 359
DI 10.1088/0004-637X/710/1/346
PG 14
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 546YH
UT WOS:000273850800031
ER
PT J
AU Aharmim, B
Ahmed, SN
Anthony, AE
Barros, N
Beier, EW
Bellerive, A
Beltran, B
Bergevin, M
Biller, SD
Boudjemline, K
Boulay, MG
Burritt, TH
Cai, B
Chan, YD
Chauhan, D
Chen, M
Cleveland, BT
Cox, GA
Dai, X
Deng, H
Detwiler, J
DiMarco, M
Doe, PJ
Doucas, G
Drouin, PL
Duba, CA
Duncan, FA
Dunford, M
Earle, ED
Elliott, SR
Evans, HC
Ewan, GT
Farine, J
Fergani, H
Fleurot, F
Ford, RJ
Formaggio, JA
Gagnon, N
Goon, JTM
Graham, K
Guillian, E
Habib, S
Hahn, RL
Hallin, AL
Hallman, ED
Harvey, PJ
Hazama, R
Heintzelman, WJ
Heise, J
Helmer, RL
Hime, A
Howard, C
Howe, MA
Huang, M
Jamieson, B
Jelley, NA
Keeter, KJ
Klein, JR
Kormos, LL
Kos, M
Kraus, C
Krauss, CB
Kutter, T
Kyba, CCM
Law, J
Lawson, IT
Lesko, KT
Leslie, JR
Levine, I
Loach, JC
MacLellan, R
Majerus, S
Mak, HB
Maneira, J
Martin, R
McCauley, N
McDonald, AB
McGee, S
Miller, ML
Monreal, B
Monroe, J
Morissette, B
Nickel, BG
Noble, AJ
O'Keeffe, HM
Oblath, NS
Gann, GDO
Oser, SM
Ott, RA
Peeters, SJM
Poon, AWP
Prior, G
Reitzner, SD
Rielage, K
Robertson, BC
Robertson, RGH
Schwendener, MH
Secrest, JA
Seibert, SR
Simard, O
Sinclair, D
Skensved, P
Sonley, TJ
Stonehill, LC
Tesic, G
Tolich, N
Tsui, T
Tunnell, CD
Van Berg, R
VanDevender, BA
Virtue, CJ
Wall, BL
Waller, D
Tseung, HWC
Wark, DL
Watson, PJS
West, N
Wilkerson, JF
Wilson, JR
Wouters, JM
Wright, A
Yeh, M
Zhang, F
Zuber, K
AF Aharmim, B.
Ahmed, S. N.
Anthony, A. E.
Barros, N.
Beier, E. W.
Bellerive, A.
Beltran, B.
Bergevin, M.
Biller, S. D.
Boudjemline, K.
Boulay, M. G.
Burritt, T. H.
Cai, B.
Chan, Y. D.
Chauhan, D.
Chen, M.
Cleveland, B. T.
Cox, G. A.
Dai, X.
Deng, H.
Detwiler, J.
DiMarco, M.
Doe, P. J.
Doucas, G.
Drouin, P. -L.
Duba, C. A.
Duncan, F. A.
Dunford, M.
Earle, E. D.
Elliott, S. R.
Evans, H. C.
Ewan, G. T.
Farine, J.
Fergani, H.
Fleurot, F.
Ford, R. J.
Formaggio, J. A.
Gagnon, N.
Goon, J. T. M.
Graham, K.
Guillian, E.
Habib, S.
Hahn, R. L.
Hallin, A. L.
Hallman, E. D.
Harvey, P. J.
Hazama, R.
Heintzelman, W. J.
Heise, J.
Helmer, R. L.
Hime, A.
Howard, C.
Howe, M. A.
Huang, M.
Jamieson, B.
Jelley, N. A.
Keeter, K. J.
Klein, J. R.
Kormos, L. L.
Kos, M.
Kraus, C.
Krauss, C. B.
Kutter, T.
Kyba, C. C. M.
Law, J.
Lawson, I. T.
Lesko, K. T.
Leslie, J. R.
Levine, I.
Loach, J. C.
MacLellan, R.
Majerus, S.
Mak, H. B.
Maneira, J.
Martin, R.
McCauley, N.
McDonald, A. B.
McGee, S.
Miller, M. L.
Monreal, B.
Monroe, J.
Morissette, B.
Nickel, B. G.
Noble, A. J.
O'Keeffe, H. M.
Oblath, N. S.
Gann, G. D. Orebi
Oser, S. M.
Ott, R. A.
Peeters, S. J. M.
Poon, A. W. P.
Prior, G.
Reitzner, S. D.
Rielage, K.
Robertson, B. C.
Robertson, R. G. H.
Schwendener, M. H.
Secrest, J. A.
Seibert, S. R.
Simard, O.
Sinclair, D.
Skensved, P.
Sonley, T. J.
Stonehill, L. C.
Tesic, G.
Tolich, N.
Tsui, T.
Tunnell, C. D.
Van Berg, R.
VanDevender, B. A.
Virtue, C. J.
Wall, B. L.
Waller, D.
Tseung, H. Wan Chan
Wark, D. L.
Watson, P. J. S.
West, N.
Wilkerson, J. F.
Wilson, J. R.
Wouters, J. M.
Wright, A.
Yeh, M.
Zhang, F.
Zuber, K.
TI SEARCHES FOR HIGH-FREQUENCY VARIATIONS IN THE B-8 SOLAR NEUTRINO FLUX AT
THE SUDBURY NEUTRINO OBSERVATORY
SO ASTROPHYSICAL JOURNAL
LA English
DT Article
DE neutrinos; methods: data analysis; Sun: helioseismology
ID G-MODES; OSCILLATIONS; GOLF; MATTER; SOHO
AB We have performed three searches for high-frequency signals in the solar neutrino flux measured by the Sudbury Neutrino Observatory, motivated by the possibility that solar g-mode oscillations could affect the production or propagation of solar B-8 neutrinos. The first search looked for any significant peak in the frequency range 1-144 day(-1), with a sensitivity to sinusoidal signals with amplitudes of 12% or greater. The second search focused on regions in which g-mode signals have been claimed by experiments aboard the Solar and Heliospheric Observatory satellite, and was sensitive to signals with amplitudes of 10% or greater. The third search looked for extra power across the entire frequency band. No statistically significant signal was detected in any of the three searches.
C1 [Aharmim, B.; Chauhan, D.; Farine, J.; Fleurot, F.; Hallman, E. D.; Huang, M.; Schwendener, M. H.; Virtue, C. J.] Laurentian Univ, Dept Phys & Astron, Sudbury, ON P3E 2C6, Canada.
[Ahmed, S. N.; Boulay, M. G.; Cai, B.; Chen, M.; Dai, X.; DiMarco, M.; Duncan, F. A.; Earle, E. D.; Evans, H. C.; Ewan, G. T.; Ford, R. J.; Graham, K.; Guillian, E.; Harvey, P. J.; Heise, J.; Kormos, L. L.; Kos, M.; Kraus, C.; Leslie, J. R.; Mak, H. B.; Martin, R.; McDonald, A. B.; Noble, A. J.; Robertson, B. C.; Skensved, P.; Wright, A.] Queens Univ, Dept Phys, Kingston, ON K7L 3N6, Canada.
[Anthony, A. E.; Klein, J. R.; Seibert, S. R.; Tunnell, C. D.] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA.
[Barros, N.; Maneira, J.] Lab Instrumentacao & Fis Expt Particulas, P-1000149 Lisbon, Portugal.
[Beier, E. W.; Deng, H.; Dunford, M.; Heintzelman, W. J.; Klein, J. R.; Kyba, C. C. M.; McCauley, N.; Gann, G. D. Orebi; Secrest, J. A.; Van Berg, R.] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA.
[Bellerive, A.; Boudjemline, K.; Dai, X.; Drouin, P. -L.; Farine, J.; Graham, K.; Levine, I.; Noble, A. J.; Simard, O.; Sinclair, D.; Tesic, G.; Waller, D.; Watson, P. J. S.; Zhang, F.] Carleton Univ, Dept Phys, Ottawa Carleton Inst Phys, Ottawa, ON K1S 5B6, Canada.
[Beltran, B.; Habib, S.; Hallin, A. L.; Howard, C.; Krauss, C. B.] Univ Alberta, Dept Phys, Edmonton, AB T6G 2R3, Canada.
[Bergevin, M.; Chan, Y. D.; Detwiler, J.; Gagnon, N.; Lesko, K. T.; Loach, J. C.; Martin, R.; Poon, A. W. P.; Prior, G.] Univ Calif Berkeley, Lawrence Berkeley Lab, Inst Nucl & Particle Astrophys, Berkeley, CA 94720 USA.
[Bergevin, M.; Chan, Y. D.; Detwiler, J.; Gagnon, N.; Lesko, K. T.; Loach, J. C.; Martin, R.; Poon, A. W. P.; Prior, G.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA.
[Bergevin, M.; Law, J.; Lawson, I. T.; Nickel, B. G.; Reitzner, S. D.] Univ Guelph, Dept Phys, Guelph, ON N1G 2W1, Canada.
[Biller, S. D.; Cleveland, B. T.; Dai, X.; Doucas, G.; Fergani, H.; Gagnon, N.; Jelley, N. A.; Loach, J. C.; Majerus, S.; McCauley, N.; O'Keeffe, H. M.; Gann, G. D. Orebi; Peeters, S. J. M.; Tseung, H. Wan Chan; West, N.; Wilson, J. R.; Zuber, K.] Univ Oxford, Dept Phys, Oxford OX1 3RH, England.
[Burritt, T. H.; Cox, G. A.; Doe, P. J.; Duba, C. A.; Elliott, S. R.; Formaggio, J. A.; Gagnon, N.; Hazama, R.; Howe, M. A.; McGee, S.; Oblath, N. S.; Rielage, K.; Robertson, R. G. H.; Stonehill, L. C.; Tolich, N.; VanDevender, B. A.; Wall, B. L.; Tseung, H. Wan Chan; Wilkerson, J. F.] Univ Washington, Ctr Expt Nucl Phys & Astrophys, Seattle, WA 98195 USA.
[Burritt, T. H.; Cox, G. A.; Doe, P. J.; Duba, C. A.; Elliott, S. R.; Formaggio, J. A.; Gagnon, N.; Hazama, R.; Howe, M. A.; McGee, S.; Oblath, N. S.; Rielage, K.; Robertson, R. G. H.; Stonehill, L. C.; Tolich, N.; VanDevender, B. A.; Wall, B. L.; Tseung, H. Wan Chan; Wilkerson, J. F.] Univ Washington, Dept Phys, Seattle, WA 98195 USA.
[Duncan, F. A.; Ford, R. J.; Keeter, K. J.; Lawson, I. T.; Morissette, B.] SNOLAB, Sudbury, ON P3Y 1M3, Canada.
[Elliott, S. R.; Gagnon, N.; Heise, J.; Hime, A.; Rielage, K.; Seibert, S. R.; Stonehill, L. C.; Wouters, J. M.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Formaggio, J. A.; Miller, M. L.; Monreal, B.; Monroe, J.; Ott, R. A.; Sonley, T. J.] MIT, Nucl Sci Lab, Cambridge, MA 02139 USA.
[Goon, J. T. M.; Kutter, T.] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA.
[Hahn, R. L.; Yeh, M.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
[Heise, J.; Jamieson, B.; Oser, S. M.; Tsui, T.] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T IZ1, Canada.
[Sinclair, D.] TRIUMF, Vancouver, BC V6T 2A3, Canada.
[Wark, D. L.] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
[Wark, D. L.] Univ London Imperial Coll Sci Technol & Med, London, England.
RP Aharmim, B (reprint author), Laurentian Univ, Dept Phys & Astron, Sudbury, ON P3E 2C6, Canada.
RI Hallin, Aksel/H-5881-2011; Kormos, Laura/D-1032-2012; Kyba,
Christopher/I-2014-2012; Dai, Xiongxin/I-3819-2013; Prior,
Gersende/I-8191-2013; Maneira, Jose/D-8486-2011; Barros,
Nuno/O-1921-2016;
OI Kyba, Christopher/0000-0001-7014-1843; Maneira,
Jose/0000-0002-3222-2738; Barros, Nuno/0000-0002-1192-0705; Wilkerson,
John/0000-0002-0342-0217; Prior, Gersende/0000-0002-6058-1420
FU Natural Sciences and Engineering Research Council, Canada; Industry
Canada, Canada; National Research Council, Canada; Northern Ontario
Heritage Fund, Canada; Atomic Energy of Canada, Ltd., Canada; Ontario
Power Generation, Canada; High Performance Computing Virtual Laboratory,
Canada; Canada Foundation for Innovation; Dept. of Energy, US; National
Energy Research Scientific Computing Center, US; Science and
Technologies Facilities Council, UK
FX This research was supported by Canada: Natural Sciences and Engineering
Research Council, Industry Canada, National Research Council, Northern
Ontario Heritage Fund, Atomic Energy of Canada, Ltd., Ontario Power
Generation, High Performance Computing Virtual Laboratory, Canada
Foundation for Innovation; US: Dept. of Energy, National Energy Research
Scientific Computing Center; UK: Science and Technologies Facilities
Council. We thank the SNO technical staff for their strong
contributions. We thank Vale Inco, Ltd. for hosting this project.
NR 22
TC 13
Z9 13
U1 0
U2 12
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0004-637X
J9 ASTROPHYS J
JI Astrophys. J.
PD FEB 10
PY 2010
VL 710
IS 1
BP 540
EP 548
DI 10.1088/0004-637X/710/1/540
PG 9
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 546YH
UT WOS:000273850800043
ER
PT J
AU Adams, T
Appel, JA
Arms, KE
Balantekin, AB
Conrad, JM
Cooper, PS
Djurcic, Z
Dunwoodie, W
Engelfried, J
Fisher, PH
Gottschalk, E
De Gouvea, A
Heller, K
Ignarra, CM
Karagiorgi, G
Kwan, S
Loinaz, WA
Meadows, B
Moore, R
Morfin, JG
Naples, D
Nienaber, P
Pate, SF
Papavassiliou, V
Petrov, AA
Purohit, MV
Ray, H
Russ, J
Schwartz, AJ
Seligman, WG
Shaevitz, MH
Schellman, H
Spitz, J
Syphers, MJ
Tait, TMP
Vannucci, F
AF Adams, T.
Appel, J. A.
Arms, K. E.
Balantekin, A. B.
Conrad, J. M.
Cooper, P. S.
Djurcic, Z.
Dunwoodie, W.
Engelfried, J.
Fisher, P. H.
Gottschalk, E.
De Gouvea, A.
Heller, K.
Ignarra, C. M.
Karagiorgi, G.
Kwan, S.
Loinaz, W. A.
Meadows, B.
Moore, R.
Morfin, J. G.
Naples, D.
Nienaber, P.
Pate, S. F.
Papavassiliou, V.
Petrov, A. A.
Purohit, M. V.
Ray, H.
Russ, J.
Schwartz, A. J.
Seligman, W. G.
Shaevitz, M. H.
Schellman, H.
Spitz, J.
Syphers, M. J.
Tait, T. M. P.
Vannucci, F.
TI RENAISSANCE OF THE similar to 1 TeV FIXED-TARGET PROGRAM
SO INTERNATIONAL JOURNAL OF MODERN PHYSICS A
LA English
DT Article
DE Tevatron; charm; neutrinos; exotic neutrinos; CP violation
ID LIQUID-ARGON TPC; CP-VIOLATION; ELECTROWEAK PARAMETERS; STERILE
NEUTRINOS; MAGNETIC-FIELD; MUON-NEUTRINOS; MESON DECAYS; D-0 DECAYS;
SEARCH; SCATTERING
AB This document describes the physics potential of a new fixed-target program based on a similar to 1 TeV proton source. Two proton sources are potentially available in the future: the existing Tevatron at Fermilab, which can provide 800 GeV protons for fixed-target physics, and a possible upgrade to the SPS at CERN, called SPS+, which would produce 1 TeV protons on target. In this paper we use an example Tevatron fixed-target program to illustrate the high discovery potential possible in the charm and neutrino sectors. We highlight examples which are either unique to the program or difficult to accomplish at other venues.
C1 [Spitz, J.] Yale Univ, New Haven, CT 06520 USA.
[Loinaz, W. A.] Amherst Coll, Amherst, MA 01002 USA.
[Tait, T. M. P.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Engelfried, J.] Univ Autonoma San Luis Potosi, Mexico City 78240, DF, Mexico.
[Russ, J.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
[Meadows, B.; Schwartz, A. J.] Univ Cincinnati, Cincinnati, OH 45221 USA.
[Djurcic, Z.; Seligman, W. G.; Shaevitz, M. H.] Columbia Univ, New York, NY 10027 USA.
[Appel, J. A.; Cooper, P. S.; Gottschalk, E.; Kwan, S.; Moore, R.; Morfin, J. G.; Syphers, M. J.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Ray, H.] Univ Florida, Gainesville, FL 32611 USA.
[Adams, T.] Florida State Univ, Tallahassee, FL 32306 USA.
[Conrad, J. M.; Fisher, P. H.; Ignarra, C. M.; Karagiorgi, G.] MIT, Cambridge, MA 02139 USA.
[Petrov, A. A.] Univ Michigan, Ann Arbor, MI 48201 USA.
[Papavassiliou, V.] New Mexico State Univ, Las Cruces, NM 88003 USA.
[De Gouvea, A.; Schellman, H.; Tait, T. M. P.] Northwestern Univ, Chicago, IL 60208 USA.
[Vannucci, F.] Univ Paris 07, APC, Paris, France.
[Naples, D.] Univ Pittsburgh, Pittsburgh, PA 15260 USA.
[Nienaber, P.] St Marys Univ Minnesota, Winona, MN 55987 USA.
[Dunwoodie, W.] SLAC Natl Accelerator Lab, Stanford, CA 94309 USA.
[Purohit, M. V.] Univ S Carolina, Columbia, SC 29208 USA.
[Petrov, A. A.] Wayne State Univ, Detroit, MI 48201 USA.
[Balantekin, A. B.] Univ Wisconsin, Madison, WI 53706 USA.
RP Spitz, J (reprint author), Yale Univ, New Haven, CT 06520 USA.
EM joshua.spitz@yale.edu
RI Petrov, Alexey/F-2882-2010; Balantekin, Akif Baha/E-4776-2010; Russ,
James/P-3092-2014;
OI Balantekin, Akif Baha/0000-0002-2999-0111; Russ,
James/0000-0001-9856-9155; Spitz, Joshua/0000-0002-6288-7028
FU Department of Energy; National Science Foundation; Consejo Nacional de
Ciencia y Tecnologia; Universities Research Association (URA)
FX We gratefully acknowledge support from the Department of Energy, the
National Science Foundation, the Consejo Nacional de Ciencia y
Tecnologia and the Universities Research Association (URA) Visiting
Scholars at Fermilab Award.
NR 108
TC 2
Z9 2
U1 0
U2 3
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA 5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE
SN 0217-751X
EI 1793-656X
J9 INT J MOD PHYS A
JI Int. J. Mod. Phys. A
PD FEB 10
PY 2010
VL 25
IS 4
BP 777
EP 813
DI 10.1142/S0217751X10047774
PG 37
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 560PK
UT WOS:000274914400004
ER
PT J
AU Sgouros, G
Roeske, JC
McDevitt, MR
Palm, S
Allen, BJ
Fisher, DR
Brill, AB
Song, H
Howell, RW
Akabani, G
AF Sgouros, George
Roeske, John C.
McDevitt, Michael R.
Palm, Stig
Allen, Barry J.
Fisher, Darrell R.
Brill, A. Bertrand
Song, Hong
Howell, Roger W.
Akabani, Gamal
CA SNM MIRD Comm
TI MIRD Pamphlet No. 22 (Abridged): Radiobiology and Dosimetry of
alpha-Particle Emitters for Targeted Radionuclide Therapy
SO JOURNAL OF NUCLEAR MEDICINE
LA English
DT Review
DE alpha-particle emitters; human alpha-particle emitter dosimetry;
targeted alpha-particle emitter therapy
ID DIFFERENT IONIZING RADIATIONS; ACCELERATED HEAVY-IONS; RELATIVE
BIOLOGICAL EFFECTIVENESS; CHINESE-HAMSTER V79-CELLS; RADIOPROTECTORS
IN-VIVO; LINEAR-ENERGY-TRANSFER; HUMAN-CELLS; MAMMALIAN-CELLS; TISSUE
CULTURE; ABSORBED FRACTIONS
AB The potential of alpha-particle emitters to treat cancer has been recognized since the early 1900s. Advances in the targeted delivery of radionuclides and radionuclide conjugation chemistry, and the increased availability of alpha-emitters appropriate for clinical use, have recently led to patient trials of radiopharmaceuticals labeled with alpha-particle emitters. Although alpha-emitters have been studied for many decades, their current use in humans for targeted therapy is an important milestone. The objective of this work is to review those aspects of the field that are pertinent to targeted alpha-particle emitter therapy and to provide guidance and recommendations for human alpha-particle emitter dosimetry.
C1 [Sgouros, George; Song, Hong] Johns Hopkins Univ, Dept Radiol & Radiol Sci, Baltimore, MD 21231 USA.
[Roeske, John C.] Loyola Univ, Med Ctr, Dept Radiat Oncol, Maywood, IL 60153 USA.
[McDevitt, Michael R.] Mem Sloan Kettering Canc Ctr, Dept Med, New York, NY 10021 USA.
[McDevitt, Michael R.] Mem Sloan Kettering Canc Ctr, Dept Radiol, New York, NY 10021 USA.
[Palm, Stig] IAEA, Dosimetry & Med Radiat Phys Sect, A-1400 Vienna, Austria.
[Allen, Barry J.] St George Canc Ctr, Ctr Expt Radiat Oncol, Kogarah, NSW, Australia.
[Fisher, Darrell R.] Pacific NW Natl Lab, Radioisotopes Program, Richland, WA 99352 USA.
[Brill, A. Bertrand] Vanderbilt Univ, Dept Radiol, Nashville, TN USA.
[Howell, Roger W.] Univ Med & Dent New Jersey, New Jersey Med Sch, Ctr Canc, Div Radiat Res,Dept Radiol, Newark, NJ 07103 USA.
[Akabani, Gamal] Texas A&M Univ, Dept Nucl Engn, College Stn, TX 77843 USA.
RP Sgouros, G (reprint author), Johns Hopkins Univ, Dept Radiol & Radiol Sci, CRB 2 4M61-1550 Orleans St, Baltimore, MD 21231 USA.
EM gsgouros@jhmi.edu
RI Song, Hong/F-9541-2011; Brill, Aaron/H-3732-2014
OI Brill, Aaron/0000-0001-7538-086X
NR 155
TC 75
Z9 75
U1 3
U2 18
PU SOC NUCLEAR MEDICINE INC
PI RESTON
PA 1850 SAMUEL MORSE DR, RESTON, VA 20190-5316 USA
SN 0161-5505
EI 1535-5667
J9 J NUCL MED
JI J. Nucl. Med.
PD FEB 10
PY 2010
VL 51
IS 2
BP 311
EP 328
DI 10.2967/jnumed.108.058651
PG 18
WC Radiology, Nuclear Medicine & Medical Imaging
SC Radiology, Nuclear Medicine & Medical Imaging
GA 550TL
UT WOS:000274152800036
PM 20080889
ER
PT J
AU Kang, J
Wei, SH
Kim, YH
AF Kang, Joongoo
Wei, Su-Huai
Kim, Yong-Hyun
TI Microscopic Theory of Hysteretic Hydrogen Adsorption in Nanoporous
Materials
SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Article
ID METAL-ORGANIC FRAMEWORKS; STORAGE
AB Understanding gas adsorption confined in nanoscale pores is a fundamental issue with broad applications in catalysis and gas storage. Recently, hysteretic H(2) adsorption was observed in several nanoporous metal-organic frameworks (MOFs). Here, using first-principles calculations and simulated adsorption/desorption isotherms. we present a microscopic theory of the enhanced adsorption hysteresis of H(2) molecules using the MOF Co(1,4-benzenedipyrazolate) [Co(BDP)] as a model system. Using activated H(2) diffusion along the small-pore channels as a dominant equilibration process, we demonstrate that the system shows hysteretic H(2) adsorption under changes of external pressure. For a small increase of temperature, the pressure width of the hysteresis, as well as the adsorption/desorption pressure, dramatically increases. The sensitivity of gas adsorption to temperature changes is explained by the simple thermodynamics of the gas reservoir. Detailed analysis of transient adsorption dynamics reveals that the hysteretic H(2) adsorption is an intrinsic adsorption characteristic in the diffusion-controlled small-pore systems.
C1 [Kang, Joongoo; Wei, Su-Huai; Kim, Yong-Hyun] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Kim, Yong-Hyun] Korea Adv Inst Sci & Technol, Grad Sch Nanosci & Technol WCU, Taejon 305701, South Korea.
RP Kim, YH (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
EM yong.hyun.kim@kaist.ac.kr
RI Kim, Yong-Hyun/C-2045-2011
OI Kim, Yong-Hyun/0000-0003-4255-2068
FU U.S. DOE/OS/BES; DOE/EERE [DE-AC36-08GO28308]; Ministry of Education,
Science and Technology [R31-2008-000-10071-0]
FX We thank J. R. Long and H. J. Choi for supplying adsorption and
structural data. This research was funded by U.S. DOE/OS/BES and
DOE/EERE under Contract No. DE-AC36-08GO28308 to NREL. Y.-H.K. was also
supported by the WCU (World Class University) program through the
National Research Foundation of Korea funded by the Ministry of
Education, Science and Technology (R31-2008-000-10071-0).
NR 11
TC 9
Z9 9
U1 4
U2 22
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0002-7863
J9 J AM CHEM SOC
JI J. Am. Chem. Soc.
PD FEB 10
PY 2010
VL 132
IS 5
BP 1510
EP +
DI 10.1021/ja9092133
PG 4
WC Chemistry, Multidisciplinary
SC Chemistry
GA 562WB
UT WOS:000275084900033
PM 20088523
ER
PT J
AU Concepcion, JJ
Tsai, MK
Muckerman, JT
Meyer, TJ
AF Concepcion, Javier J.
Tsai, Ming-Kang
Muckerman, James T.
Meyer, Thomas J.
TI Mechanism of Water Oxidation by Single-Site Ruthenium Complex Catalysts
SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Article
ID COUPLED ELECTRON-TRANSFER; PHOTOSYSTEM-II; ANISOTROPIC DIELECTRICS;
POLYPYRIDYL COMPLEXES; TRANSITION-STATES; MOLECULAR-OXYGEN;
IONIC-SOLUTIONS; HYDRIDE BOND; DIOXYGEN; DENSITY
AB The mechanism of Ce(IV) water oxidation catalyzed by [Ru(tpy)(bpm)(OH(2))](2+) (tpy = 2,2':6',2 ''-terpyridine; bpm = 2,2'-bipyrimidine) and related single-site catalysts has been determined by a combination of mixing and stopped-flow experiments with spectrophotometric monitoring. The mechanism features O---O coupling by water attack on Ru(V)=O(3+) and three peroxidic intermediates that have been characterized by a combination of spectroscopy and DFT calculations.
C1 [Concepcion, Javier J.; Meyer, Thomas J.] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA.
[Tsai, Ming-Kang; Muckerman, James T.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
RP Meyer, TJ (reprint author), Univ N Carolina, Dept Chem, CB 3290, Chapel Hill, NC 27599 USA.
EM tjmeyer@email.unc.edu
RI Muckerman, James/D-8752-2013;
OI Tsai, Ming-Kang/0000-0001-9189-5572
FU Chemical Sciences, Geosciences and Biosciences Division of the Office of
Basic Energy Sciences, U.S. Department of Energy [DE-FG02-06ER15788,
DE-SC0001011]; UNC EFRC
FX Funding by the Chemical Sciences, Geosciences and Biosciences Division
of the Office of Basic Energy Sciences, U.S. Department of Energy, Grant
DE-FG02-06ER15788, and UNC EFRC: Solar Fuels and Next Generation
Photovoltaics, an Energy Frontier Research Center funded by the U.S.
Department of Energy, Office of Science, Office of Basic Energy
Sciences, under Award DE-SC0001011 is gratefully acknowledged.
NR 51
TC 256
Z9 259
U1 13
U2 133
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0002-7863
J9 J AM CHEM SOC
JI J. Am. Chem. Soc.
PD FEB 10
PY 2010
VL 132
IS 5
BP 1545
EP 1557
DI 10.1021/ja904906v
PG 13
WC Chemistry, Multidisciplinary
SC Chemistry
GA 562WB
UT WOS:000275084900042
PM 20085264
ER
PT J
AU Weber-Bargioni, A
Schwartzberg, A
Schmidt, M
Harteneck, B
Ogletree, DF
Schuck, PJ
Cabrini, S
AF Weber-Bargioni, A.
Schwartzberg, A.
Schmidt, M.
Harteneck, B.
Ogletree, D. F.
Schuck, P. J.
Cabrini, S.
TI Functional plasmonic antenna scanning probes fabricated by
induced-deposition mask lithography
SO NANOTECHNOLOGY
LA English
DT Article
ID BEAM-INDUCED DEPOSITION; FOCUSED ELECTRON-BEAM; SILVER NANOPARTICLES;
NEAR-FIELD; RESONANCE; FLUORESCENCE; NANOANTENNAS; MICROSCOPY;
SCATTERING; GOLD
AB We have fabricated plasmonic bowtie antennae on the apex of silicon atomic-force microscope cantilever tips that enhance the local silicon Raman scattering intensity by similar to 4 x 10(4) when excited near the antenna resonance. The antennae were fabricated using a novel method, induced-deposition mask lithography (IDML), capable of creating high-purity metallic nanostructures on non-planar, non-conducting substrates with high repeatability. IDML involves electron-beam-induced deposition of a W or SiO(x) hard mask on the material to be pattered, here a 20 nm Au film, followed by Ar ion etching to remove the mask and the unmasked gold, leaving a chemically pure Au bowtie antenna. Antenna function and reproducibility was confirmed by comparing Raman spectra for excitation polarized parallel and perpendicular to the antenna axis, as well as by dark-field spectroscopic characterization of resonant modes. The field enhancement of these plasmonic AFM antennae tips was comparable with antennae produced by electron-beam lithography on flat substrates.
C1 [Weber-Bargioni, A.; Schwartzberg, A.; Harteneck, B.; Ogletree, D. F.; Schuck, P. J.; Cabrini, S.] Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA.
[Schmidt, M.] Univ Calif Berkeley, Energy Biosci Inst, Calvin Lab, Berkeley, CA 94720 USA.
RP Weber-Bargioni, A (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM afweber-bargioni@lbl.gov; amschwartzberg@lbl.gov; mwbschmidt@lbl.gov;
bdharteneck@lbl.gov; dfogletree@lbl.gov; pjschuck@lbl.gov;
scabrini@lbl.gov
RI Ogletree, D Frank/D-9833-2016
OI Ogletree, D Frank/0000-0002-8159-0182
FU Office of Science, Office of Basic Energy Sciences, of the US Department
of Energy [DE-AC02-05CH11231]; Energy Biosciences Institute
FX The authors thank Ed Wong for fast and high quality technical support.
This work was performed at the Molecular Foundry, Lawrence Berkeley
National Laboratory, and was supported by the Office of Science, Office
of Basic Energy Sciences, of the US Department of Energy under contract
no. DE-AC02-05CH11231. M Schmidt is supported by the Energy Biosciences
Institute.
NR 33
TC 51
Z9 51
U1 2
U2 30
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0957-4484
J9 NANOTECHNOLOGY
JI Nanotechnology
PD FEB 10
PY 2010
VL 21
IS 6
AR 065306
DI 10.1088/0957-4484/21/6/065306
PG 6
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Physics, Applied
SC Science & Technology - Other Topics; Materials Science; Physics
GA 543EK
UT WOS:000273553300014
PM 20061594
ER
PT J
AU Tracht, SM
Del Valle, SY
Hyman, JM
AF Tracht, Samantha M.
Del Valle, Sara Y.
Hyman, James M.
TI Mathematical Modeling of the Effectiveness of Facemasks in Reducing the
Spread of Novel Influenza A (H1N1)
SO PLOS ONE
LA English
DT Article
ID FACEPIECE RESPIRATORS; PANDEMIC INFLUENZA; TRANSMISSION; PERFORMANCE
AB On June 11, 2009, the World Health Organization declared the outbreak of novel influenza A (H1N1) a pandemic. With limited supplies of antivirals and vaccines, countries and individuals are looking at other ways to reduce the spread of pandemic (H1N1) 2009, particularly options that are cost effective and relatively easy to implement. Recent experiences with the 2003 SARS and 2009 H1N1 epidemics have shown that people are willing to wear facemasks to protect themselves against infection; however, little research has been done to quantify the impact of using facemasks in reducing the spread of disease. We construct and analyze a mathematical model for a population in which some people wear facemasks during the pandemic and quantify impact of these masks on the spread of influenza. To estimate the parameter values used for the effectiveness of facemasks, we used available data from studies on N95 respirators and surgical facemasks. The results show that if N95 respirators are only 20% effective in reducing susceptibility and infectivity, only 10% of the population would have to wear them to reduce the number of influenza A (H1N1) cases by 20%. We can conclude from our model that, if worn properly, facemasks are an effective intervention strategy in reducing the spread of pandemic (H1N1) 2009.
C1 [Tracht, Samantha M.; Del Valle, Sara Y.] Los Alamos Natl Lab, Decis Applicat Div, Energy & Infrastruct Anal Grp, Los Alamos, NM USA.
[Tracht, Samantha M.] Capital Univ, Dept Math Comp Sci & Phys, Columbus, OH USA.
[Hyman, James M.] Los Alamos Natl Lab, Div Theoret, Math Modeling & Anal Grp, Los Alamos, NM USA.
RP Tracht, SM (reprint author), Los Alamos Natl Lab, Decis Applicat Div, Energy & Infrastruct Anal Grp, Los Alamos, NM USA.
EM samantha.tracht@gmail.com
FU Los Alamos National Security, LLC (LANS) [DE-AC52-06NA25396]; U.S.
Department of Energy (DOE)
FX This research was prepared by Los Alamos National Security, LLC (LANS)
under Contract DE-AC52-06NA25396 with the U.S. Department of Energy
(DOE). The funders had no role in study design, data collection and
analysis, decision to publish, or preparation of the manuscript.
NR 35
TC 27
Z9 29
U1 3
U2 8
PU PUBLIC LIBRARY SCIENCE
PI SAN FRANCISCO
PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA
SN 1932-6203
J9 PLOS ONE
JI PLoS One
PD FEB 10
PY 2010
VL 5
IS 2
AR e9018
DI 10.1371/journal.pone.0009018
PG 12
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 554NW
UT WOS:000274442700002
PM 20161764
ER
PT J
AU Gu, MG
Rajashankar, KR
Lima, CD
AF Gu, Meigang
Rajashankar, Kanagalaghatta R.
Lima, Christopher D.
TI Structure of the Saccharomyces cerevisiae Cet1-Ceg1 mRNA Capping
Apparatus
SO STRUCTURE
LA English
DT Article
ID CARBOXY-TERMINAL DOMAIN; POLYMERASE-II; CONFORMATIONAL-CHANGE;
CRYSTAL-STRUCTURE; ENZYME SUBUNITS; IN-VIVO; TRIPHOSPHATASE; YEAST;
GUANYLYLTRANSFERASE; PHOSPHORYLATION
AB The 5' guanine-N7 cap is the first cotranscriptional modification of messenger RNA. In Saccharomyces cerevisiae, the first two steps in capping are catalyzed by the RNA triphosphatase Cet1 and RNA guanylyltransferase Ceg1, which form a complex that is directly recruited to phosphorylated RNA polymerase II (RNAP Ilo), primarily via contacts between RNAP Ilo and Ceg1. A 3.0 angstrom crystal structure of Cet1-Ceg1 revealed a 176 kDa heterotetrameric complex composed of one Cet1 homodimer that associates with two Ceg1 molecules via interactions between the Ceg1 oligonucleotide binding domain and an extended Cet1 WAQKW amino acid motif. The WAQKW motif is followed by a flexible linker that would allow Ceg1 to achieve conformational changes required for capping while maintaining interactions with both Cet1 and RNAP Ilo. The impact of mutations as assessed through genetic analysis in S. cerevisiae is consonant with contacts observed in the Cet1-Ceg1 structure.
C1 [Gu, Meigang; Lima, Christopher D.] Sloan Kettering Inst, Struct Biol Program, New York, NY 10065 USA.
[Rajashankar, Kanagalaghatta R.] Cornell Univ, Dept Chem & Chem Biol, NE CAT, Adv Photon Source, Argonne, IL 60439 USA.
RP Lima, CD (reprint author), Sloan Kettering Inst, Struct Biol Program, New York, NY 10065 USA.
EM limac@mskcc.org
OI Lima, Christopher/0000-0002-9163-6092
FU U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences [W-31-109-Eng-38]; National Center for Research Resources at
the National Institutes of Health [RR-15301, GM061906]; Rita Allen
Foundation
FX We thank Beate Schwer and Stewart Shuman for yeast strains and helpful
discussion and Agni Ghosh for critical reading of the manuscript. Use of
the Advanced Photon Source was supported by the U.S. Department of
Energy, Office of Science, Office of Basic Energy Sciences, under
contract W-31-109-Eng-38. Use of the SGX Collaborative Access Team
(SGX-CAT) beamline facilities at Sector 31 of the Advanced Photon Source
was provided by SGX Pharmaceuticals, who constructed and operated the
facility when these data were collected. K.R.R. was supported by grant
RR-15301 from the National Center for Research Resources at the National
Institutes of Health. M.G. and C.D.L. were supported in part by a grant
from the National Institutes of Health (GM061906). C.D.L. acknowledges
support from the Rita Allen Foundation.
NR 50
TC 19
Z9 19
U1 1
U2 3
PU CELL PRESS
PI CAMBRIDGE
PA 600 TECHNOLOGY SQUARE, 5TH FLOOR, CAMBRIDGE, MA 02139 USA
SN 0969-2126
J9 STRUCTURE
JI Structure
PD FEB 10
PY 2010
VL 18
IS 2
BP 216
EP 227
DI 10.1016/j.str.2009.12.009
PG 12
WC Biochemistry & Molecular Biology; Biophysics; Cell Biology
SC Biochemistry & Molecular Biology; Biophysics; Cell Biology
GA 557CH
UT WOS:000274645500008
PM 20159466
ER
PT J
AU Keiski, CL
Harwich, M
Jain, S
Neculai, AM
Yip, P
Robinson, H
Whitney, JC
Riley, L
Burrows, LL
Ohman, DE
Howell, PL
AF Keiski, Carrie-Lynn
Harwich, Michael
Jain, Sumita
Neculai, Ana Mirela
Yip, Patrick
Robinson, Howard
Whitney, John C.
Riley, Laura
Burrows, Lori L.
Ohman, Dennis E.
Howell, P. Lynne
TI AlgK Is a TPR-Containing Protein and the Periplasmic Component of a
Novel Exopolysaccharide Secretin
SO STRUCTURE
LA English
DT Article
ID OUTER-MEMBRANE LIPOPROTEIN; MUCOID PSEUDOMONAS-AERUGINOSA; X-RAY
ANALYSIS; ESCHERICHIA-COLI; ALGINATE BIOSYNTHESIS;
SUBCELLULAR-LOCALIZATION; CRYSTAL-STRUCTURE; BIOFILM FORMATION; BINDING
SITES; PREDICTION
AB The opportunistic pathogen Pseudomonas aeruginosa causes chronic biofilm infections in cystic fibrosis patients. During colonization of the lung, A aeruginosa converts to a mucoid phenotype characterized by overproduction of the exopolysaccharide alginate. Here we show that AlgK, a protein essential for production of high molecular weight alginate, is an outer membrane lipoprotein that contributes to the correct localization of the porin AlgE. Our 2.5 angstrom structure shows AlgK is composed of 9.5 tetratricopeptide-like repeats, and three putative sites of protein-protein interaction have been identified. Bioinformatics analysis suggests that BcsA, PgaA, and PelB, involved in the production and export of cellulose, poly-beta-1,6-N-Acetyl-D-glucosamine, and Pel exopolysaccharide, respectively, share the same topology as AlgK/E. Together, our data suggest that AlgK plays a role in the assembly of the alginate biosynthetic complex and represents the periplasmic component of a new type of outer membrane secretin that differs from canonical bacterial capsular polysaccharide secretion systems.
C1 [Keiski, Carrie-Lynn; Neculai, Ana Mirela; Yip, Patrick; Whitney, John C.; Riley, Laura; Burrows, Lori L.; Howell, P. Lynne] Hosp Sick Children, Toronto, ON M5G 1X8, Canada.
[Keiski, Carrie-Lynn; Whitney, John C.; Howell, P. Lynne] Univ Toronto, Dept Biochem, Toronto, ON M5S 1A8, Canada.
[Harwich, Michael; Jain, Sumita; Ohman, Dennis E.] Virginia Commonwealth Univ, Med Ctr, Dept Microbiol & Immunol, Richmond, VA 23298 USA.
[Robinson, Howard] Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA.
[Burrows, Lori L.] McMaster Univ, Dept Biochem & Biomed Sci, Hamilton, ON L8N 3Z5, Canada.
[Burrows, Lori L.] McMaster Univ, Michael G DeGroote Inst Infect Dis Res, Hamilton, ON L8N 3Z5, Canada.
RP Howell, PL (reprint author), Hosp Sick Children, 555 Univ Ave, Toronto, ON M5G 1X8, Canada.
EM deohman@vcu.edu; howell@sickkids.ca
RI Burrows, Lori/D-1142-2010
OI Burrows, Lori/0000-0003-0838-5040
FU Canadian Institutes of Health [AI-19146]; National Institute of Allergy
and Infectious Disease; Cystic Fibrosis (CF) Foundation; Veterans
Administrations Medical Research Funds; Canada Research Chair; CIHR New
Investigator award; Natural Sciences and Engineering Research Council;
Canadian CIF Foundation; Ontario Graduate Scholarship Program; Ontario
Student Opportunities Trust Fund; Hospital for Sick Children Foundation;
US Department of Energy
FX The authors thank G.D. Smith, S.-Y. Ku, and J. Marsh for access to
various computer programs; the Advanced Protein Technology Centre at the
Hospital for Sick Children for assistance with DNA sequencing; and R.
Zhoa and W. Houry at the University of Toronto for the analytical
ultracentrifiguation analysis. This work is supported by grants from the
Canadian Institutes of Health (AI-19146), the National Institute of
Allergy and Infectious Disease, the Cystic Fibrosis (CF) Foundation, and
Veterans Administrations Medical Research Funds to D.E.O. P.L.H.,
L.L.B., and M.N. are recipients of a Canada Research Chair, a CIHR New
Investigator award, and a CIHR postdoctoral fellowship, respectively.
C.-L.K. was funded, in part, by graduate scholarships from the Natural
Sciences and Engineering Research Council, the Canadian CIF Foundation,
the Ontario Graduate Scholarship Program, Ontario Student Opportunities
Trust Fund, and the Hospital for Sick Children Foundation Student
Scholarship Program. Beam lines X25 and X29 at the National Synchrotron
Light Source are supported by the US Department of Energy.
NR 64
TC 43
Z9 44
U1 2
U2 11
PU CELL PRESS
PI CAMBRIDGE
PA 600 TECHNOLOGY SQUARE, 5TH FLOOR, CAMBRIDGE, MA 02139 USA
SN 0969-2126
J9 STRUCTURE
JI Structure
PD FEB 10
PY 2010
VL 18
IS 2
BP 265
EP 273
DI 10.1016/j.str.2009.11.015
PG 9
WC Biochemistry & Molecular Biology; Biophysics; Cell Biology
SC Biochemistry & Molecular Biology; Biophysics; Cell Biology
GA 557CH
UT WOS:000274645500013
PM 20159471
ER
PT J
AU Kanatzidis, MG
AF Kanatzidis, Mercouri G.
TI Nanostructured Thermoelectrics: The New Paradigm?
SO CHEMISTRY OF MATERIALS
LA English
DT Review
ID SOLID-STATE CHEMISTRY; LATTICE THERMAL-CONDUCTIVITY; POWER-GENERATION;
HIGH-TEMPERATURE; LEAD-TELLURIDE; ELECTRICAL-PROPERTIES;
ENERGY-CONVERSION; ELASTIC-MODULI; BULK MATERIALS; HIGH FIGURE
AB This review discusses recent developments and current research in bulk thermoelectric materials in which nanostructuring is a key aspect affecting thermoelectric performance. Systems based on PbTe, AgPb(m)SbTe(2+m), NaPb(m)SbTe(2+m), Bi(2)Te(3), and Si are given particular emphasis. To date the dramatic enhancements in figure of merit in bulk nanostructured materials come from very large reductions in lattice thermal conductivity rather than improvement in power factors. A discussion of future possible strategies is aimed at enhancing the thermoelectric figure of merit of these materials.
C1 [Kanatzidis, Mercouri G.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA.
[Kanatzidis, Mercouri G.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
RP Kanatzidis, MG (reprint author), Northwestern Univ, Dept Chem, 2145 Sheridan Rd, Evanston, IL 60208 USA.
FU Office of Naval Research [N00014-02-1-0867, N00014-03-1-0789,
N00014-06-1-0130, N00014-08-1-613]
FX The author is grateful to the Office of Naval Research for financial
support (Grants N00014-02-1-0867, N00014-03-1-0789, N00014-06-1-0130,
N00014-08-1-613). I thank Professors S.D. Mahanti, T.P. Hogan, C. Uher,
V. Dravid, E. Case, A.J, Freeman, and C. Wolverton for plentiful
stimulating discussions and fruitful collaborations. Of course most of
all, I am grateful to the numerous dedicated graduate students and
postdoctoral fellows who have contributed to our thermoelectric research
effort. Their names appear in the various publications cited in this
article.
NR 111
TC 441
Z9 444
U1 45
U2 392
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0897-4756
J9 CHEM MATER
JI Chem. Mat.
PD FEB 9
PY 2010
VL 22
IS 3
BP 648
EP 659
DI 10.1021/cm902195j
PG 12
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 549YE
UT WOS:000274089600007
ER
PT J
AU Mandrus, D
Sefat, AS
McGuire, MA
Sales, BC
AF Mandrus, David
Sefat, Athena S.
McGuire, Michael A.
Sales, Brian C.
TI Materials Chemistry of BaFe(2)AS(2): A Model Platform for Unconventional
Superconductivity
SO CHEMISTRY OF MATERIALS
LA English
DT Review
ID BA1-XKXFE2AS2
AB BaFe(2)AS(2) is the parent compound of a family of unconventional superconductors with critical temperatures approaching 40 K. BaFe2As2 is structurally simple, available Lis high-quality large crystals, can be both hole and electron doped, and is amenable to first-principles electronic structure calculations. BaFe(2)AS(2) has a rich and flexible materials chemistry that makes it an ideal model platform for the study of unconventional superconductivity. The key properties of this family of materials are briefly reviewed.
C1 [Mandrus, David; Sefat, Athena S.; McGuire, Michael A.; Sales, Brian C.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP Mandrus, D (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
EM mandrusdg@ornl.gov
RI McGuire, Michael/B-5453-2009; Mandrus, David/H-3090-2014; Sefat,
Athena/R-5457-2016
OI McGuire, Michael/0000-0003-1762-9406; Sefat, Athena/0000-0002-5596-3504
FU Division of Materials Sciences and Engineering; Office of Basic Energy
Sciences, U.S. Department of Energy
FX This work was supported by the Division of Materials Sciences and
Engineering (D.M., B.C.S., M.A.M.), Office of Basic Energy Sciences,
U.S. Department of Energy. This research is sponsored in part by the
Eugene P. Wigner Fellowship Program (A.S., M.A.M.).
NR 70
TC 59
Z9 59
U1 0
U2 29
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0897-4756
EI 1520-5002
J9 CHEM MATER
JI Chem. Mat.
PD FEB 9
PY 2010
VL 22
IS 3
BP 715
EP 723
DI 10.1021/cm9027397
PG 9
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 549YE
UT WOS:000274089600011
ER
PT J
AU Sootsman, JR
He, JQ
Dravid, VP
Ballikaya, S
Vermeulen, D
Uher, C
Kanatzidis, MG
AF Sootsman, Joseph R.
He, Jiaqing
Dravid, Vinayak P.
Ballikaya, Sedat
Vermeulen, Derek
Uher, Ctirad
Kanatzidis, Mercouri G.
TI Microstructure and Thermoelectric Properties of Mechanically Robust
PbTe-Si Eutectic Composites
SO CHEMISTRY OF MATERIALS
LA English
DT Article
ID THERMAL-CONDUCTIVITY; SOLID-SOLUTIONS; FIGURE; MERIT; POWER;
AGPBMSBTE2+M; SCATTERING
AB The microstructure and thermoelectric properties of the PbTe-Si eutectic system are presented in detail, When rapidly quenched from the melt this system yields materials with thermoelectric properties similar 101 PbTe itself but with improved mechanical properties. Doping optimization was performed using Pbl(2) as an n-type dopant giving precise con trol of the thermoelectric properties. Electron microscopy indicates that the PbTe-Si system is both a nanocomposite and microcomposite. Despite the added Si, the thermal conductivity of this composite follows closely that of PbTe. The temperature dependence of the Lorenz number was estimated, and it shows a significant departure from the value of metals (L(0)) reaching only 45% of L(0) at 650 K. The optimized ZT for the PbTe-Si(8%) eutectic was 0.9 at 675 K. The improved mechanical robustness of these composites makes them attractive for use in large scale thermoelectric device fabrication.
C1 [Sootsman, Joseph R.; Kanatzidis, Mercouri G.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA.
[He, Jiaqing; Dravid, Vinayak P.] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA.
[Ballikaya, Sedat; Vermeulen, Derek; Uher, Ctirad] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA.
[Kanatzidis, Mercouri G.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
RP Kanatzidis, MG (reprint author), Northwestern Univ, Dept Chem, 2145 Sheridan Rd, Evanston, IL 60208 USA.
RI Dravid, Vinayak/B-6688-2009; He, Jiaqing/A-2245-2010
NR 38
TC 28
Z9 28
U1 3
U2 29
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0897-4756
J9 CHEM MATER
JI Chem. Mat.
PD FEB 9
PY 2010
VL 22
IS 3
BP 869
EP 875
PG 7
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 549YE
UT WOS:000274089600030
ER
PT J
AU Lin, QY
Smeller, M
Heideman, CL
Zschack, P
Koyano, M
Anderson, MD
Kykyneshi, R
Keszler, DA
Anderson, IM
Johnson, DC
AF Lin, Qiyin
Smeller, Mary
Heideman, Colby L.
Zschack, Paul
Koyano, Mikio
Anderson, Michael D.
Kykyneshi, Robert
Keszler, Douglas A.
Anderson, Ian M.
Johnson, David C.
TI Rational Synthesis and Characterization of a New Family of Low Thermal
Conductivity Misfit Layer Compounds [(PbSe)(0.99)](m)(WSe2)(n)
SO CHEMISTRY OF MATERIALS
LA English
DT Article
ID BAND-STRUCTURE CALCULATIONS; COMPOSITE CRYSTAL-STRUCTURE;
ELECTRONIC-STRUCTURE; MAGNETIC-PROPERTIES; THERMOELECTRIC PROPERTIES;
PHOTOELECTRON-SPECTRA; CHROMIUM SULFIDE; RAMAN-SCATTERING;
CHARGE-TRANSFER; SPECTROSCOPY
AB We describe here a general synthesis approach for the preparation of new families of misfit layer compounds and demonstrate its effectiveness through the preparation of the first 64 members of the [(PbSe)(0.99)](m) (WSe2)(n) family of compounds, where in and it are integers that were systematically varied from 1 to 8. The new Compounds [(PbSc)(1+y)](m) (WSe2)(n) were synthesized by annealing reactant precursors containing 177 layers of alternating elemental Pb and Se followed by it layers ofalternating elemental W and Se, in which the thickness of each pair of elemental layers was calibrated to yield a structural bilayer of rock salt structured PbSe and a trilayer of hexagonal WSe2. The compounds are kinetically trapped by the similarity of the composition profiles and modulation lengths in the precursor and the targeted compounds. The structural evolution from initial reactant of layer elements to crystalline misfit layer compounds was tracked using X-ray diffraction. The crystal structures of new compounds were probed using both analytical electron microscopy and X-ray diffraction. The c-axis of the misfit layer compound is perpendicular to the Substrate, with a c-axis lattice parameter that changes linearly with a slope of 0.612-0.615 nm as in is changed and n is held constant and with a slope of 0.654-0.656 nm as it is varied and m is held constant. The in-plane lattice parameters did not change as the individual layer thicknesses were increased and a misfit parameter of y = -0.01 was calculated, the first negative misfit parameter among known misfit layer compounds. Analytical electron microscopy images and X-ray diffraction data collected on mixed hkl reflections revealed rotational (turbostratic) disorder of the a-b planes.
C1 [Smeller, Mary; Heideman, Colby L.; Anderson, Michael D.; Johnson, David C.] Univ Oregon, Dept Chem, Eugene, OR 97403 USA.
[Lin, Qiyin] Univ Oregon, Dept Phys, Eugene, OR 97403 USA.
[Zschack, Paul] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
[Anderson, Michael D.; Anderson, Ian M.] Natl Inst Stand & Technol, Surface & Microanal Sci Div, Gaithersburg, MD 20899 USA.
[Kykyneshi, Robert; Keszler, Douglas A.] Oregon State Univ, Dept Chem, Corvallis, OR 97331 USA.
RP Johnson, DC (reprint author), Univ Oregon, Dept Chem, 1253 Univ Oregon, Eugene, OR 97403 USA.
FU Office of Naval Research [N0014-07-1-0358]; National Science Foundation
through the IGERT [DGE-0549503]; U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]; National
Science Foundation through CC [CHE-0847970]
FX This work was supported through the Office of Naval Research
(N0014-07-1-0358). Coauthors C.L.H. and M.D.A. were supported by the
National Science Foundation through the IGERT grant (DGE-0549503). The
use of the APS was supported by the U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences, under contract number
DE-AC02-06CH11357. Coauthors R.K. and D.A.K. acknowledge support from
the National Science Foundation through CCI grant number CHE-0847970. We
wish to acknowledge and thank Dr. Andrew Herzing of NIST for help with
acquiring the high-resolution STEM images.
NR 46
TC 41
Z9 41
U1 5
U2 59
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0897-4756
J9 CHEM MATER
JI Chem. Mat.
PD FEB 9
PY 2010
VL 22
IS 3
BP 1002
EP 1009
DI 10.1021/cm901952v
PG 8
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 549YE
UT WOS:000274089600047
ER
PT J
AU Poudeu, PFP
Gueguen, A
Wu, CI
Hogan, T
Kanatzidis, MG
AF Poudeu, Pierre F. P.
Gueguen, Aurelie
Wu, Chun-I
Hogan, Tim
Kanatzidis, Mercouri G.
TI High Figure of Merit in Nanostructured n-Type KPbmSbTem+2 Thermoelectric
Materials
SO CHEMISTRY OF MATERIALS
LA English
DT Article
ID THERMAL-CONDUCTIVITY; ELECTRICAL-PROPERTIES; HIGH-TEMPERATURE;
SOLID-SOLUTIONS; BULK MATERIALS; PBTE; PERFORMANCE; ALLOYS; SB;
PB1-XSN(X)TE
AB We demonstrate that the KPbmSbTe2+m system (PLAT-m for tellurium, antimony, lead potassium, m = 19-21) of materials exhibits high thermoelectric performance. Samples with compositions K1-xPbm+delta Sb1+gamma Tem+2 were prepared using several combinations of x, delta, gamma and m and their thermoelectric properties were investigated in the temperature range of 300 - 800 K. All K1-xPbm+delta Sb1+gamma Tem+2 samples exhibited n-type conduction over the measured temperature range. Their lattice thermal conductivities were found to be significantly reduced when compared to PbTe and even AgPbmSbTem+2. For example, for K0.95Pb20Sb1.2Te22 a lattice thermal conductivity as low as 0.4 W/(m.K) was estimated at 650 K (based on a Lorenz number of 1.25 x 10(-8) W.Omega/K-2). High resolution transmission electron microscopy on several samples revealed a widely dispersed nanoscale particle with varying size and shape endotaxially embedded inside a PbTe-rIch matrix which is believed to be responsible for the reduced lattice thermal conductivity of K1-xPbm+delta Sb1+gamma Tem+2 materials. Because of their small size, the nanoinclusions are coherent with the matrix and therefore do not markedly degrade the electrical conductivity of the materials. As a result, very high figures of merit are achieved at high temperature for several compositions. For K0.95Pb20Sb1.2Te22, a maximum figure of merit ZT similar to 1.6 was obtained around 750 K. This Value is similar to that of n-type LAST-18 and is two times larger than that of the-state-of-the-art n-type PbTe.
C1 [Poudeu, Pierre F. P.; Gueguen, Aurelie; Kanatzidis, Mercouri G.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA.
[Kanatzidis, Mercouri G.] Argonne Natl Lab, Div Sci Mat, Argonne, IL 60439 USA.
[Wu, Chun-I; Hogan, Tim] Michigan State Univ, Dept Elect & Comp Engn, E Lansing, MI 48824 USA.
RP Kanatzidis, MG (reprint author), Northwestern Univ, Dept Chem, 2145 Sheridan Rd, Evanston, IL 60208 USA.
EM m-kanatzidis@northwestern.edu
FU Office or Naval Research [NO0014-08-0613]
FX Financial support from the Office or Naval Research (NO0014-08-0613) is
greatly acknowledged. We thank Robert Pcionek for his assistance with
TEM.
NR 39
TC 53
Z9 54
U1 4
U2 24
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0897-4756
J9 CHEM MATER
JI Chem. Mat.
PD FEB 9
PY 2010
VL 22
IS 3
BP 1046
EP 1053
DI 10.1021/cm902001c
PG 8
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 549YE
UT WOS:000274089600053
ER
PT J
AU Becht, GA
Vaughey, JT
Hwu, SJ
AF Becht, Gregory A.
Vaughey, John T.
Hwu, Shiou-Jyh
TI Ag3Fe(VO4)(2) and AgFeV2O7: Synthesis, Structure, and Electrochemical
Characteristics of Two New Silver Iron(III) Vanadates
SO CHEMISTRY OF MATERIALS
LA English
DT Article
ID LITHIUM-ION BATTERIES; ELECTRODE; PHOSPHATE; EVOLUTION; EXCHANGE
AB The structural features and electrochemical properties of two new silver iron(III) vanadates have been determined, and their relevance to cathode materials for primary lithium battery devices is reported. Ag3Fe(VO4)(2) (SFVO-1) and AgFeV2O7 (SFVO-2) were isolated via a pseudoternary (Ag2O-Fe2O3-V2O5) system at 600 degrees C. The crystallographic data of the phases are the following: Ag3Fe(VO4)(2) monoclinic C2/c (no. 15), a = 9.771(2) angstrom, b = 5.153(1) angstrom, c.= 14.325(3) angstrom, beta = 93.8 5(3)degrees, V = 719.7(2) angstrom(3), Z = 4; AgFeV2O7, triclinic, P1 (no. 2), a = 5.603(1) angstrom, b = 7.485(2) angstrom, c = 7.644(2) angstrom, alpha = 65.07(3)degrees, beta = 89.48(3)degrees, gamma = 78.98(3)degrees, V = 284.4(1) angstrom(3), Z = 2. The single crystal X-ray diffraction studies show that the Ag+ cations reside in the open space of layered (SFVO-1) and channeled (SFVO-2) Fe-O-V frameworks. The extended electrochemical capacity above 2 V (vs Li/Li+) in these phases is consistent with their higher (Ag++Fe3+)/V5+ ratios, compared to the corresponding Ag+/V5+ in Ag2V4O11 (SVO). The discharge voltage of SFVO-1 exhibits a short initial plateau at similar to 3.15 V, corresponding to the reduction of 0.5 x [Ag(I) -> Ag(0)], followed by an abrupt drop to similar to 2.3-2.0 V where the remaining silver (2.5 equiv Li) and some of the framework iron (0.8 equiv Li) are reduced. SFVO-2 has a nominal capacity of 293 mA h/g exhibiting several plateaulike features between 2.5 and 2.0 V. SFVO-1,2 represents the first family of silver iron(III) vanadate phases that have been systematically investigated.
C1 [Becht, Gregory A.; Hwu, Shiou-Jyh] Clemson Univ, Dept Chem, Clemson, SC 29634 USA.
[Vaughey, John T.] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Hwu, SJ (reprint author), Clemson Univ, Dept Chem, Clemson, SC 29634 USA.
FU National Science Foundation [CHE-9808165]; [DMR-0322905]; [0706426]
FX Financial support for this research (DMR-0322905, 0706426) and the
purchase of a single crystal X-ray diffractometer (CHE-9808165) from the
National Science Foundation is gratefully acknowledged.
NR 23
TC 7
Z9 7
U1 3
U2 25
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0897-4756
J9 CHEM MATER
JI Chem. Mat.
PD FEB 9
PY 2010
VL 22
IS 3
BP 1149
EP 1154
DI 10.1021/cm9024342
PG 6
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 549YE
UT WOS:000274089600066
ER
PT J
AU Dambournet, D
Belharouak, I
Amine, K
AF Dambournet, Damien
Belharouak, Ilias
Amine, Khalil
TI Tailored Preparation Methods of TiO2 Anatase, Rutile, Brookite:
Mechanism of Formation and Electrochemical Properties
SO CHEMISTRY OF MATERIALS
LA English
DT Article
ID NANOCRYSTALLINE BROOKITE; LITHIUM INTERCALATION; NANOCOMPOSITE;
PERFORMANCE; ELECTRODES; CHEMISTRY; BATTERIES; INSERTION; IMPACT; SIZE
AB Using a simple aqueous precipitation method based on a low-cost titanium oxysulfate precursor, we have prepared three TiO2 polymorphs: anatase, rutile, and brookite. Although the anatase form can be directly obtained from the thermolysis reaction of an oxysulfate solution, the rutile and the brookite have been prepared by the addition of oxalate species. Depending on the concentration, the oxalate anions have been shown to act either as a ligand with the stabilization of a titanium oxalate hydrate, Ti2O3(H2O)(2)(C2O4) center dot H2O, or as a chelating agent with the isolation of the rutile phase. The brookite form was obtained by thermal decomposition of the oxalate hydrate at a temperature as low as 300 degrees C. The resulting solid consisted of nanodomains of TiO2 brookite embedded in large micrometer-size particles and exhibited a high specific surface area of 255 m(2)/g because of the mesoporosity arising from the removal of water from the oxalate species. This type of morphology is of interest for lithium-ion batteries because of an easier coating process and a higher surface contact between the material kind the electrolyte that enhanced the electrochemical activity. Finally, based on electrochemical characterizations, TiO2 brookite provided higher volumetric energy density than comparable nanomaterials.
C1 [Dambournet, Damien; Belharouak, Ilias; Amine, Khalil] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
RP Dambournet, D (reprint author), Argonne Natl Lab, Chem Sci & Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM dambournet@anl.gov; belharouak@anl.gov
RI Amine, Khalil/K-9344-2013;
OI Belharouak, Ilias/0000-0002-3985-0278
FU U.S. Department of Energy by UChicago Argonne, LLC [DE-AC02-06CH11357]
FX This research was funded by the U.S. Department of Energy, FrccdoinCAR
and Vehicle Technologics Office. Argonne National Laboratory is operated
for the U.S. Department of Energy by UChicago Argonne, LLC, under
Contract DE-AC02-06CH11357.
NR 28
TC 142
Z9 142
U1 13
U2 190
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0897-4756
J9 CHEM MATER
JI Chem. Mat.
PD FEB 9
PY 2010
VL 22
IS 3
BP 1173
EP 1179
DI 10.1021/cm902613h
PG 7
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 549YE
UT WOS:000274089600069
ER
PT J
AU Zeng, DL
Cabana, J
Yoon, WS
Grey, CP
AF Zeng, Dongli
Cabana, Jordi
Yoon, Won-Sub
Grey, Clare P.
TI Investigation of the Structural Changes in Li[NiyMnyCo(1-2y)]O-2
(y=0.05) upon Electrochemical Lithium Deintercalation
SO CHEMISTRY OF MATERIALS
LA English
DT Article
ID X-RAY-ABSORPTION; POSITIVE ELECTRODE MATERIAL; PAIR DISTRIBUTION
FUNCTION; IN-SITU XRD; CATHODE MATERIALS; LOCAL-STRUCTURE;
PHYSICAL-PROPERTIES; ION BATTERIES; NMR; LICOO2
AB A systematic study has been performed to investigate the structural changes of Li[Ni0.05Mn0.05Co0.90]O-2, one member of the Li[NiyMnyCo(1-2y)]O-2 series with low Ni/Mn content, upon electrochemical lithium deintercalation. X-ray diffraction (XRD), X-ray absorption near-edge spectroscopy (XANES), and nuclear magnetic resonance (NMR) measurements were performed, and the results from these experiments provided I detailed picture of the whole delithiation process. Oxidation of not only Ni2+, but also some Co3+, is seen in the beginning of Li extraction (less than 0.15 mol removed), the ions located closest to Mn4+ being extracted first. Further deintercalation (additional 0.2 mol of Li removal) induces an insulator to metal transition that is similar to that reported for LiCoO2. However, this reaction follows a solid solution mechanism even for this low level of substitution, rather than the two-phase reaction reported for the Ni, Mn-free oxide. When half of the Li ions are extracted, the electrochemical signature for lithium vacancy ordering in the host framework is observed. The NMR results for deintercalation of more than 50% Li were compared to those for LixCoO2 at similar stages of charge, which are reported here for the first time; they indicate that the behavior of these two phases at these potentials is very similar. When the batteries are charged to voltages higher than 4.6 V, very few lithium ions remain in the structure and the O3 to O1 phase transition Occurs.
C1 [Zeng, Dongli; Cabana, Jordi; Grey, Clare P.] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
[Cabana, Jordi] Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
[Yoon, Won-Sub] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
[Yoon, Won-Sub] Kookmin Univ, Sch Adv Mat Engn, Seoul 136702, South Korea.
RP Grey, CP (reprint author), SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
EM cgrey@notes.cc.sunysb.edu
RI Yoon, Won-Sub/H-2343-2011; Cabana, Jordi/G-6548-2012; Zeng,
Dongli/J-6833-2012
OI Cabana, Jordi/0000-0002-2353-5986;
FU U.S. DOE Office of FreedomCAR [DE-AC03-76SF00098, 6517749]; National
Synchrotron Light Source (NSLS) at Brookhaven National Laboratory (BNL);
U.S. DOE, Office of BES [DE-AC02-98CH10886]
FX We acknowledge support from the U.S. DOE Office of FreedomCAR (Contract
No. DE-AC03-76SF00098; subcontract 6517749 with LBNL). We would also
like to acknowledge support from the National Synchrotron Light Source
(NSLS) at Brookhaven National Laboratory (BNL). This facility is funded
by the U.S. DOE, Office of BES, under Contract No. DE-AC02-98CH10886. We
are grateful for the assistance given to us at NSLS from Dr. Syed
Khalid.
NR 41
TC 22
Z9 23
U1 4
U2 56
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0897-4756
EI 1520-5002
J9 CHEM MATER
JI Chem. Mat.
PD FEB 9
PY 2010
VL 22
IS 3
BP 1209
EP 1219
DI 10.1021/cm902721w
PG 11
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 549YE
UT WOS:000274089600074
ER
PT J
AU Allen, MR
Thibert, A
Sabio, EM
Browning, ND
Larsen, DS
Osterloh, FE
AF Allen, Mark R.
Thibert, Arthur
Sabio, Erwin M.
Browning, Nigel D.
Larsen, Delmar S.
Osterloh, Frank E.
TI Evolution of Physical and Photocatalytic Properties in the Layered
Titanates A(2)Ti(4)O(9) (A = K, H) and in Nanosheets Derived by Chemical
Exfoliation
SO CHEMISTRY OF MATERIALS
LA English
DT Article
ID PHOTOCHEMICAL HYDROGEN EVOLUTION; LOADED STRONTIUM-TITANATE; SHUTTLE
REDOX MEDIATOR; VISIBLE-LIGHT; NIOBATE NANOSHEETS; OXIDE NANOSHEETS;
POTASSIUM TETRATITANATE; TITANIUM-DIOXIDE; CARRIER DYNAMICS;
CHARGE-TRANSFER
AB K2Ti4O9 has been known as a photocatalyst for the oxidation of methanol under UV irradiation. Here we study the evolution of morphology, optical, and photocatalytic properties of this titanate as it is converted into H2Ti4O9 and subsequently exfoliated into individual tetrabutylammonium (TBA)-supported [Ti4O9](2-) nanosheets. We find that proton exchange and exfoliation are accompanied by a red shift of the optical absorption edge and fluorescence maximum, suggesting a reduction of the bandgap in the series K2Ti4O9 (3.54 eV), H2Ti4O9 (3.25 cV), TBA(2)Ti(4)O(9) (3.00 eV). Neither compound is active for photochemical water splitting, even after photochemical deposition of platinum nanoparticles. However, in aqueous methanol, all platinated compounds are moderately active for H, evolution upon bandgap irradiation, and in 0.01 M AgNO3, they all produce moderate quantities of O-2. From the onset potentials for photoelectrochemical methanol oxidation, the values for the valence band edges at pH = 7 are deduced to lie between -0.23 and -0.53 V (NHE) for the nonplatinated compounds, and at +0.08 V and -0.30 V for the platinated compounds. This Pt-induced decrease of negative charge on the titanates is likely due to Fermi level equilibration of metal and semiconductor. Its effect can also be seen in a shift of the onset potentials for electrochemical water oxidation, as measured by cyclic voltammetry. Transient absorption data reveal that photogenerated electrons become trapped in mid band gap states, from which they decay exponentially with a time-constant of 43.67 +/- 0.28 ins, much slower than observed for 68 +/- 1 ns for TiO2 nanocrystals (DegUssa, P25).
C1 [Allen, Mark R.; Thibert, Arthur; Sabio, Erwin M.; Larsen, Delmar S.; Osterloh, Frank E.] Univ Calif Davis, Dept Chem, Davis, CA 95616 USA.
[Browning, Nigel D.] Univ Calif Davis, Dept Mat Sci & Engn, Davis, CA 95616 USA.
[Browning, Nigel D.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Osterloh, FE (reprint author), Univ Calif Davis, Dept Chem, 1 Shields Ave, Davis, CA 95616 USA.
EM fosterloh@ucdavis.edu
RI Dom, Rekha/B-7113-2012;
OI Browning, Nigel/0000-0003-0491-251X
FU National Science Foundation [0829142]
FX The authors acknowledge support from the National Science Foundation in
the form of an "Energy for Sustainability" grant (CBET 0829142).
NR 71
TC 89
Z9 91
U1 7
U2 87
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0897-4756
EI 1520-5002
J9 CHEM MATER
JI Chem. Mat.
PD FEB 9
PY 2010
VL 22
IS 3
BP 1220
EP 1228
DI 10.1021/cm902695r
PG 9
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 549YE
UT WOS:000274089600075
ER
PT J
AU Cabana, J
Shirakawa, J
Chen, GY
Richardson, TJ
Grey, CP
AF Cabana, Jordi
Shirakawa, Junichi
Chen, Guoying
Richardson, Thomas J.
Grey, Clare P.
TI MAS NMR Study of the Metastable Solid Solutions Found in the
LiFePO4/FePO4 System
SO CHEMISTRY OF MATERIALS
LA English
DT Article
ID NUCLEAR-MAGNETIC-RESONANCE; RECHARGEABLE LITHIUM BATTERIES;
RAY-ABSORPTION SPECTROSCOPY; PAIR DISTRIBUTION FUNCTION; CATHODE
MATERIALS; LI-7 NMR; X-RAY; NEUTRON-DIFFRACTION; LOCAL-STRUCTURE;
DISORDERED LI0.6FEPO4
AB Li-6,Li-7 and P-31 NMR experiments were conducted on a series of single- or two-phase samples in the LiFePO4-FePO4 System with different overall lithium contents, and containing the two end-members and/or two metastable solid solution phases, Li0.6FePO4 or Li0.34FePO4. These experiments were carried out at different temperatures in order to search for vacancy/charge ordering and ion/electron mobility in the metastable phases. Evidence for L2+-Fe2+ interactions was observed for both Li0.6FePO4 and Li0.34FePO4. The strength of this interaction leads to the formation of LiFePO4-like clusters in the latter, as shown by the room temperature data. Different motional processes are proposed to exist as the temperature is increased and various scenarios are discussed. While concerted lithium-electron hopping and/or correlations explains the data below 125 degrees C, evidence for some uncorrelated motion is found at higher temperatures, together with the onset of phase mixing.
C1 [Cabana, Jordi; Shirakawa, Junichi; Grey, Clare P.] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
[Cabana, Jordi; Chen, Guoying; Richardson, Thomas J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Grey, CP (reprint author), SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
EM cgrey@notes.cc.sunysb.edu
RI Cabana, Jordi/G-6548-2012
OI Cabana, Jordi/0000-0002-2353-5986
FU U.S. Department of Energy [DE-AC02-05CH11231]; Lawrence Berkeley
National Laboratory [6517749]
FX This work was supported by the Assistant Secretary for Energy Efficiency
and Renewable Energy, Office of Vehicle Technologies of the U.S.
Department of Energy under Contract No. DE-AC02-05CH11231 via
subcontract No. 6517749 with the Lawrence Berkeley National Laboratory.
J.C. is indebted to Generalitat de Catalunya for funding through a
Beatriu de Pinos fellowship.
NR 61
TC 39
Z9 39
U1 3
U2 44
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0897-4756
EI 1520-5002
J9 CHEM MATER
JI Chem. Mat.
PD FEB 9
PY 2010
VL 22
IS 3
BP 1249
EP 1262
DI 10.1021/cm902714v
PG 14
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 549YE
UT WOS:000274089600078
ER
PT J
AU Johnson, CS
Kang, SH
Vaughey, JT
Pol, SV
Balasubramanian, M
Thackeray, MM
AF Johnson, C. S.
Kang, S. -H.
Vaughey, J. T.
Pol, S. V.
Balasubramanian, M.
Thackeray, M. M.
TI Li2O Removal from Li5FeO4: A Cathode Precursor for Lithium-Ion Batteries
SO CHEMISTRY OF MATERIALS
LA English
DT Article
ID SECONDARY BATTERIES; HIGH-CAPACITY; ELECTRODES; OXIDES; INTERCALATION;
CATALYST; LI2MNO3; XANES; IRON
AB Lithium has been extracted both electrochemically and chemically from the defect antifluorite-type structure, Li5FeO4 (5Li(2)O center dot Fe2O3). The electrochemical data show that four lithium ions can be removed from Li5FeO4 between 3.5 and 4.5 V. vs Li-0. X-ray absorption spectroscopy (XAS) data of electrochemically delithiated samples show evidence of some Fe3+ to Fe4+ oxidation during the initial charge. On the other hand, XAS data of chemically delithiated samples show no evidence of Fe3+ to Fe4+ oxidation, but rather a change in coordination of the Fe3+ ions from tetrahedral to octahedral coordination, suggesting that lithium extraction from Li5FeO4 is accompanied predominantly by the release of oxygen, the net loss being lithia (Li2O); the residual lithium-iron-oxide product has a Fe2O3-rich composition. The high lithium content in Li5FeO4 renders it an attractive cathode precursor for loading the graphite (C-6) anode of lithium-ion electrochemical cells with sufficient lithium to enable the discharge of a charged component in the parent cathode, Li1.2V3O8, as well as the residual Fe2O3-rich component. The electrochemical behavior of C-6/Li5FeO4-Li1.2V3O8 lithium-ion cells is compared to C-6/Li2MnO3-Li1.2V3O8 cells containing a layered Li2MnO3 (Li2O center dot MnO2) cathode precursor with a lower Li2O content, from which lithia can be extracted at higher potentials, typically > 4 V vs metallic lithium. The ability to remove Li2O electrochemically from metal oxide host structures with a high lithium content, such as Li5FeO4, has implications for Li-air cells.
C1 [Johnson, C. S.; Kang, S. -H.; Vaughey, J. T.; Thackeray, M. M.] Argonne Natl Lab, Chem Sci & Engn Div, Electrochem Energy Storage Dept, Argonne, IL 60439 USA.
[Pol, S. V.; Balasubramanian, M.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Johnson, CS (reprint author), Argonne Natl Lab, Chem Sci & Engn Div, Electrochem Energy Storage Dept, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM cjohnson@anl.gov
RI Kang, Sun-Ho/E-7570-2010; Pol, Swati/B-5868-2012
FU U.S. Department of Energy (DOE); NSERC; University of Washington; Simon
Fraser University; Advanced Photon Source
FX Financial support from the Office of Vehicle Technologies of the U.S.
Department of Energy (DOE) is gratefully acknowledged. PNC/XOR
facilities at the Advanced Photon Source, and research at these
facilities, are supported by the U.S. Department of Energy - Basic
Energy Sciences, a Major Resources Support grant from NSERC, the
University of Washington, Simon Fraser University and the Advanced
Photon Source. The submitted manuscript has been created by UChicago
Argonne, LLC, Operator of Argonne National Laboratory ("Argonne").
Argonne, a U.S. Department of Energy Office of Science laboratory, is
operated under Contract No. DE-AC02-06CH11357. The U.S. Government
retains for itself, and others acting on its behalf, a paid-up,
nonexclusive, irrevocable worldwide license in said article to
reproduce, prepare derivative works, distribute copies to the public,
and perform publicly and display publicly, by or on behalf of the
Government.
NR 29
TC 20
Z9 20
U1 12
U2 84
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0897-4756
J9 CHEM MATER
JI Chem. Mat.
PD FEB 9
PY 2010
VL 22
IS 3
BP 1263
EP 1270
DI 10.1021/cm902713m
PG 8
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 549YE
UT WOS:000274089600079
ER
PT J
AU Polaske, NW
McGrath, DV
McElhanon, JR
AF Polaske, Nathan W.
McGrath, Dominic V.
McElhanon, James R.
TI Thermally Reversible Dendronized Step-Polymers Based on Sequential
Huisgen 1,3-Dipolar Cycloaddition and Diels-Alder "Click" Reactions
SO MACROMOLECULES
LA English
DT Article
ID BEARING FURAN MOIETIES; DENDRITIC MACROMOLECULES; HIGHLY EFFICIENT;
CROSS-LINKING; CHEMISTRY; DENDRIMERS; ADDUCTS; POLYMERIZATIONS;
BISMALEIMIDES; COPOLYMERS
AB Thermally labile dendronized AA-BB step polymers m-e described. First through third generation dendritic bisfuran monomers 6a-6c were prepared in part by the Cu(I)-catalyzed azide-alkyne Huisgen 1,3-dipolar cycloaddition reaction bind in turn polymerized by the reversible furan-maleimide Diels-Alder reaction. The Diels-Alder reaction conditions were optimized through end-capping studies with N-phenylmaleimide (7). Dendronized step polymers 10a-10c were then formed front reaction with bismaleimide 9 and their assembly, disassembly, and reassembly behavior studied by GPC.
C1 [McElhanon, James R.] Sandia Natl Labs, Organ Mat Dept, Albuquerque, NM 87185 USA.
[Polaske, Nathan W.; McGrath, Dominic V.] Univ Arizona, Dept Chem, Tucson, AZ 85721 USA.
RP McElhanon, JR (reprint author), Sandia Natl Labs, Organ Mat Dept, POB 5800, Albuquerque, NM 87185 USA.
EM mcgrath@u.arizona.edu; jrmcelh@sandia.gov
RI McGrath, Dominic/A-7675-2012
FU United States Department of Energy (US DOE) [De-AC04-94AL85000]
FX This work was supported by the United States Department of Energy (US
DOE) under Contract De-AC04-94AL85000. Sandia is a multiprogram
laboratory operated by sandia Corporation, a Lockheed Martin Company,
for the US DOE. Certain trade names and company products are identified
in order to specify experimental procedures adequately. In no case does
such identification imply recommendation or endorsement by the National
Institute of Standards and Technology, nor does it imply that the
products are necessarily the best available for the purpose.
NR 55
TC 33
Z9 35
U1 4
U2 29
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0024-9297
J9 MACROMOLECULES
JI Macromolecules
PD FEB 9
PY 2010
VL 43
IS 3
BP 1270
EP 1276
DI 10.1021/ma902180r
PG 7
WC Polymer Science
SC Polymer Science
GA 552DS
UT WOS:000274268400019
ER
PT J
AU Patel, AJ
Mochrie, S
Narayanan, S
Sandy, A
Watanabe, H
Balsara, NP
AF Patel, Amish J.
Mochrie, Simon
Narayanan, Suresh
Sandy, Alec
Watanabe, Hiroshi
Balsara, Nitash P.
TI Dynamic Signatures of Microphase Separation in a Block Copolymer Melt
Determined by X-ray Photon Correlation Spectroscopy and Rheology
SO MACROMOLECULES
LA English
DT Article
ID ORDER-DISORDER TRANSITION; DIFFUSIVE RELAXATION MODE; DIBLOCK COPOLYMER;
LIGHT-SCATTERING; POLYMER-SOLUTIONS; CONCENTRATION FLUCTUATION;
VISCOELASTIC PROPERTIES; DIELECTRIC-RELAXATION; MECHANICAL-PROPERTIES;
GROWTH-KINETICS
AB The relationship between structure and dynamics in a polystyrene-polyisoprene block copolymer melt in the vicinity of the order-disorder transition was studied by small-angle X-ray scattering (SAXS), X-ray photon correlation spectroscopy (XPCS), and rheology. Rheological measurements on the disordered state indicate the presence of a fast process arising from the relaxation of polyisoprene chains and a slow process resulting predominantly from the relaxation of concentration fluctuations. In contrast, XPCS measurements of the disordered phase are dominated by diffusion of micelles. Time-resolved SAXS. XPCS, and rheology experiments on samples quenched from disorder-to-order reveal the existence of two regimes. While the microscopic relaxation time, measured by XPCS, increases after all of the quenches. SAXS and rheological signatures of ordering are only seen when the quench depth exceeds a critical value of 10 degrees C. For quenches 5 degrees C below the order-to-disorder transition temperature, no changes in the SAXS profiles and rheological properties are observed on experimental time scales. It is evident that nucleation barriers preclude the formation of the ordered phase during shallow quenches. The time-resolved rheology measurements enable estimation of the nucleation barriers that are responsible for the observations in the shallow quench regime.
C1 [Watanabe, Hiroshi] Kyoto Univ, Inst Chem Res, Kyoto 6110011, Japan.
[Patel, Amish J.; Balsara, Nitash P.] Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA.
[Mochrie, Simon] Yale Univ, Dept Phys, New Haven, CT 06520 USA.
[Narayanan, Suresh; Sandy, Alec] Argonne Natl Lab, Argonne, IL 60439 USA.
[Balsara, Nitash P.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Balsara, Nitash P.] Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Watanabe, H (reprint author), Kyoto Univ, Inst Chem Res, Kyoto 6110011, Japan.
FU National Science Foundation [DMR 0453856]; U.S. DOE [W-31-109-Eng-38];
Tyco Electronics
FX Financial support was provided by the National Science Foundation (DMR
0453856). The APS is supported by the U.S. DOE under Contract
W-31-109-Eng-38. A.J.P. gratefully acknowledged the graduate researcher
fellowship from Tyco Electronics.
NR 64
TC 14
Z9 14
U1 2
U2 40
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0024-9297
EI 1520-5835
J9 MACROMOLECULES
JI Macromolecules
PD FEB 9
PY 2010
VL 43
IS 3
BP 1515
EP 1523
DI 10.1021/ma902343m
PG 9
WC Polymer Science
SC Polymer Science
GA 552DS
UT WOS:000274268400049
ER
PT J
AU Gofryk, K
Sefat, AS
Bauer, ED
McGuire, MA
Sales, BC
Mandrus, D
Thompson, JD
Ronning, F
AF Gofryk, K.
Sefat, A. S.
Bauer, E. D.
McGuire, M. A.
Sales, B. C.
Mandrus, D.
Thompson, J. D.
Ronning, F.
TI Gap structure in the electron-doped iron-arsenide superconductor
Ba(Fe0.92Co0.08)(2)As-2: low-temperature specific heat study
SO NEW JOURNAL OF PHYSICS
LA English
DT Article
ID S-WAVE SUPERCONDUCTORS; PAIRING SYMMETRY; VORTEX
AB In this paper, we report the field and temperature dependence of low-temperature specific heat down to 400 mK and in magnetic fields up to 9 T of the electron-doped Ba(Fe0.92Co0.08)(2)As-2 superconductor. Using the phonon specific heat obtained from pure BaFe2As2, we found a normal state Sommerfeld coefficient of 18 mJ mol(-1) K-2 and a condensation energy of 1.27 J mol(-1). The temperature dependence of electronic specific heat clearly indicates the presence of low-energy excitations in the system. The magnetic field variation of field-induced specific heat cannot be described by single clean s- or d-wave models. Rather, the data require an anisotropic gap scenario that may or may not have nodes. We discuss the implications of these results.
C1 [Gofryk, K.; Bauer, E. D.; Thompson, J. D.; Ronning, F.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Sefat, A. S.; McGuire, M. A.; Sales, B. C.; Mandrus, D.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP Gofryk, K (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM gofryk@lanl.gov
RI McGuire, Michael/B-5453-2009; Bauer, Eric/D-7212-2011; Gofryk,
Krzysztof/F-8755-2014; Mandrus, David/H-3090-2014; Sefat,
Athena/R-5457-2016;
OI McGuire, Michael/0000-0003-1762-9406; Sefat, Athena/0000-0002-5596-3504;
Gofryk, Krzysztof/0000-0002-8681-6857; Ronning,
Filip/0000-0002-2679-7957; Bauer, Eric/0000-0003-0017-1937
FU US Department of Energy, Office of Science; Division of Material
Sciences and Engineering Office of Basic Energy Sciences
FX Work at Los Alamos National Laboratory was performed under the auspices
of the US Department of Energy, Office of Science and supported in part
by the Los Alamos LDRD program. Research at Oak Ridge National
Laboratory is sponsored by the Division of Material Sciences and
Engineering Office of Basic Energy Sciences.
NR 60
TC 32
Z9 32
U1 0
U2 9
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 1367-2630
J9 NEW J PHYS
JI New J. Phys.
PD FEB 9
PY 2010
VL 12
AR 023006
DI 10.1088/1367-2630/12/2/023006
PG 10
WC Physics, Multidisciplinary
SC Physics
GA 553AB
UT WOS:000274335300002
ER
PT J
AU Clarkson, BK
Gilbert, WV
Doudna, JA
AF Clarkson, Bryan K.
Gilbert, Wendy V.
Doudna, Jennifer A.
TI Functional Overlap between eIF4G Isoforms in Saccharomyces cerevisiae
SO PLOS ONE
LA English
DT Article
ID INITIATION-FACTOR 4G; CYTOPLASMIC PROCESSING BODIES; CAP-INDEPENDENT
TRANSLATION; RIBOSOMAL-RNA SYNTHESIS; MESSENGER-RNA; EUKARYOTIC
TRANSLATION; PROTEIN-SYNTHESIS; HELICASE ACTIVITY; DEPENDENT
TRANSLATION; YEAST TRANSCRIPTOME
AB Initiation factor eIF4G is a key regulator of eukaryotic protein synthesis, recognizing proteins bound at both ends of an mRNA to help recruit messages to the small (40S) ribosomal subunit. Notably, the genomes of a wide variety of eukaryotes encode multiple distinct variants of eIF4G. We found that deletion of eIF4G1, but not eIF4G2, impairs growth and global translation initiation rates in budding yeast under standard laboratory conditions. Not all mRNAs are equally sensitive to loss of eIF4G1; genes that encode messages with longer poly(A) tails are preferentially affected. However, eIF4G1-deletion strains contain significantly lower levels of total eIF4G, relative to eIF4G2-delete or wild type strains. Homogenic strains, which encode two copies of either eIF4G1 or eIF4G2 under native promoter control, express a single isoform at levels similar to the total amount of eIF4G in a wild type cell and have a similar capacity to support normal translation initiation rates. Polysome microarray analysis of these strains and the wild type parent showed that translationally active mRNAs are similar. These results suggest that total eIF4G levels, but not isoform-specific functions, determine mRNA-specific translational efficiency.
C1 [Clarkson, Bryan K.; Gilbert, Wendy V.; Doudna, Jennifer A.] Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA.
[Doudna, Jennifer A.] Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA.
[Doudna, Jennifer A.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Doudna, Jennifer A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
RP Clarkson, BK (reprint author), Univ Calif Berkeley, Dept Mol & Cell Biol, 229 Stanley Hall, Berkeley, CA 94720 USA.
EM doudna@berkeley.edu
OI /0000-0003-2807-9657
FU NIH [K99]
FX This work was supported by a program grant from the NIH (JAD), a K99
award from the NIH (WVG) and an NIH training grant (BKC). JAD is an
investigator of the Howard Hughes Medical Institute. The funders had no
role in study design, data collection and analysis, decision to publish,
or preparation of the manuscript.
NR 90
TC 32
Z9 33
U1 0
U2 2
PU PUBLIC LIBRARY SCIENCE
PI SAN FRANCISCO
PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA
SN 1932-6203
J9 PLOS ONE
JI PLoS One
PD FEB 9
PY 2010
VL 5
IS 2
AR e9114
DI 10.1371/journal.pone.0009114
PG 15
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 554NV
UT WOS:000274442600012
PM 20161741
ER
PT J
AU Denef, VJ
Kalnejais, LH
Mueller, RS
Wilmes, P
Baker, BJ
Thomas, BC
VerBerkmoes, NC
Hettich, RL
Banfield, JF
AF Denef, Vincent J.
Kalnejais, Linda H.
Mueller, Ryan S.
Wilmes, Paul
Baker, Brett J.
Thomas, Brian C.
VerBerkmoes, Nathan C.
Hettich, Robert L.
Banfield, Jillian F.
TI Proteogenomic basis for ecological divergence of closely related
bacteria in natural acidophilic microbial communities
SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF
AMERICA
LA English
DT Article
DE geomicrobiology; genome evolution; niche partitioning; community
genomics; community proteomics
ID ACID-MINE DRAINAGE; IN-SITU DETECTION; PHYLOGENETIC IDENTIFICATION;
GENOMIC ANALYSIS; GENE-EXPRESSION; GROUP-II; EVOLUTION; POPULATION;
DIVERSITY; PROTEOMICS
AB Bacterial species concepts are controversial. More widely accepted is the need to understand how differences in gene content and sequence lead to ecological divergence. To address this relationship in ecosystem context, we investigated links between genotype and ecology of two genotypic groups of Leptospirillum group II bacteria in comprehensively characterized, natural acidophilic biofilm communities. These groups share 99.7% 16S rRNA gene sequence identity and 95% average amino acid identity between their orthologs. One genotypic group predominates during early colonization, and the other group typically proliferates in later successional stages, forming distinct patches tens to hundreds of micrometers in diameter. Among early colonizing populations, we observed dominance of five genotypes that differed from each other by the extent of recombination with the late colonizing type. Our analyses suggest that the specific recombinant variant within the early colonizing group is selected for by environmental parameters such as temperature, consistent with recombination as a mechanism for ecological fine tuning. Evolutionary signatures, and strain-resolved expression patterns measured via mass spectrometry-based proteomics, indicate increased cobalamin biosynthesis, (de) methylation, and glycine cleavage in the late colonizer. This may suggest environmental changes within the biofilm during development, accompanied by redirection of compatible solutes from osmoprotectants toward metabolism. Across 27 communities, comparative proteo-genomic analyses show that differential regulation of shared genes and expression of a small subset of the similar to 15% of genes unique to each genotype are involved in niche partitioning. In summary, the results show how subtle genetic variations can lead to distinct ecological strategies.
C1 [Denef, Vincent J.; Kalnejais, Linda H.; Mueller, Ryan S.; Wilmes, Paul; Baker, Brett J.; Thomas, Brian C.; Banfield, Jillian F.] Univ Calif Berkeley, Berkeley, CA 94720 USA.
[VerBerkmoes, Nathan C.; Hettich, Robert L.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Banfield, JF (reprint author), Univ Calif Berkeley, Berkeley, CA 94720 USA.
EM jbanfield@berkeley.edu
RI Baker, Brett/P-1783-2014; Hettich, Robert/N-1458-2016; Wilmes,
Paul/B-1707-2017
OI Baker, Brett/0000-0002-5971-1021; Hettich, Robert/0000-0001-7708-786X;
Wilmes, Paul/0000-0002-6478-2924
FU U.S. DOE [DOE-AC05-00OR22725, DE-FG02-05ER64134]
FX We thank Mr. T.W. Arman (President, Iron Mountain Mines Inc.) and Mr. R.
Sugarek (U.S. Environmental Protection Agency) for site access, and Mr.
R. Carver for on-site assistance. We thank Banfield laboratory members
for their contributions to sample collection. B. Suttle (Imperial
College, UK) and C. Miller (University of California Berkeley) are
thanked for assistance with and discussion of statistical analyses. We
thank C. Miller for critical reading of the manuscript. P. Abraham, M.
Lefsrud, M.B. Shah, and D. Schmoyer (Oak Ridge National Laboratory
[ORNL]) for their assistance with proteomic measurements and analysis.
D.K. Nordstrom and B. McCleskey (U.S. Geological Survey, Boulder) for
advice on field protocols and assistance with the metal analyses. We
thank Dr. J.P. Gogarten and Dr. M.F. Polz for critically reviewing our
paper before publication. ORNL is managed by University of
Tennessee-Battelle LLC for the Department of Energy under contract
DOE-AC05-00OR22725. This project was funded by Grant DE-FG02-05ER64134
from the U.S. DOE Genomics: GTL program (Office of Science).
NR 51
TC 89
Z9 92
U1 3
U2 29
PU NATL ACAD SCIENCES
PI WASHINGTON
PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA
SN 0027-8424
J9 P NATL ACAD SCI USA
JI Proc. Natl. Acad. Sci. U. S. A.
PD FEB 9
PY 2010
VL 107
IS 6
BP 2383
EP 2390
DI 10.1073/pnas.0907041107
PG 8
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 554AO
UT WOS:000274408100008
PM 20133593
ER
PT J
AU Gaharwar, AK
Schexnailder, P
Kaul, V
Akkus, O
Zakharov, D
Seifert, S
Schmidt, G
AF Gaharwar, Akhilesh K.
Schexnailder, Patrick
Kaul, Vikas
Akkus, Ozan
Zakharov, Dmitri
Seifert, Soenke
Schmidt, Gudrun
TI Highly Extensible Bio-Nanocomposite Films with Direction-Dependent
Properties
SO ADVANCED FUNCTIONAL MATERIALS
LA English
DT Article
ID LAYERED SILICATE NANOCOMPOSITES; POLYMER NANOCOMPOSITES; MATERIALS
SCIENCE; BLOCK-COPOLYMER; BONE; CRYSTALLIZATION; REQUIREMENT;
COMPOSITES; EXPRESSION; NANOSCALE
AB The structure and mechanical properties of bio-nanocomposite films made from poly(ethylene oxide) (PEO) that is physically cross-linked with silicate nanoparticles, Laponite, are investigated. Direction-dependent mechanical properties of the films are presented, and the effect of shear orientation during sample preparation oon tensile strength and elongation is assessed. Repeated mechanical deformation results in highly extensible materials with preferred orientation and structuring at the nano- and micrometer scales. Additionally, in vitro biocompatibility data are reported, and NIH 3T3 fibroblasts are observed to readily adhere and proliferate on silicate cross-linked PEO while maintaining high cell viability.
C1 [Gaharwar, Akhilesh K.; Schexnailder, Patrick; Kaul, Vikas; Akkus, Ozan; Schmidt, Gudrun] Purdue Univ, Weldon Sch Biomed Engn, W Lafayette, IN 47907 USA.
[Zakharov, Dmitri] Purdue Univ, Birck Nanotechnol Ctr, W Lafayette, IN 47907 USA.
[Seifert, Soenke] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Gaharwar, AK (reprint author), Purdue Univ, Weldon Sch Biomed Engn, W Lafayette, IN 47907 USA.
EM gudrun@purdue.edu
RI Gaharwar, Akhilesh/C-5856-2009; Gaharwar, Akhilesh/A-2002-2014;
Zakharov, Dmitri/F-4493-2014
OI Gaharwar, Akhilesh/0000-0002-0284-0201; Gaharwar,
Akhilesh/0000-0002-0284-0201;
FU NSF [0711783]
FX Work by the authors was supported by an NSF-CAREER award 0711783 to GS
and a Purdue Lynn Doctorai fellowship to PS. The authors acknowledge
Avinash Dundigalla for providing the SEM image. The authors declare that
they have no conflict of interest.
NR 45
TC 43
Z9 43
U1 9
U2 35
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PO BOX 10 11 61, D-69451 WEINHEIM, GERMANY
SN 1616-301X
J9 ADV FUNCT MATER
JI Adv. Funct. Mater.
PD FEB 8
PY 2010
VL 20
IS 3
BP 429
EP 436
PG 8
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied;
Physics, Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA 557BY
UT WOS:000274644400008
ER
PT J
AU Sun, YK
Kim, DH
Yoon, CS
Myung, ST
Prakash, J
Amine, K
AF Sun, Yang-Kook
Kim, Dong-Hui
Yoon, Chong Seung
Myung, Seung-Taek
Prakash, Jai
Amine, Khalil
TI A Novel Cathode Material with a Concentration-Gradient for High-Energy
and Safe Lithium-Ion Batteries
SO ADVANCED FUNCTIONAL MATERIALS
LA English
DT Article
ID POSITIVE ELECTRODE MATERIALS; SECONDARY BATTERIES; ELECTROCHEMICAL
PROPERTIES; SIGNIFICANT IMPROVEMENT; ELEVATED-TEMPERATURE;
THERMAL-BEHAVIOR; CYCLING BEHAVIOR; PERFORMANCE; COPRECIPITATION; SPINEL
AB A high-energy functional cathode material with an average composition of Li[Ni(0.72)Co(0.18)Mn(0.10)]O(2), mainly comprising a core material Li[Ni(0.8)Co(0.2)]O(2) encapsulated completely within a stable manganese-rich concentration-gradient shell is successfully synthesized by a co-precipitation process. The Li[Ni(0.72)Co(0.18)Mn(0.10)]O(2) with a concentration-gradient shell has a shell thickness of about 1 mu m and an outer shell composition rich in manganese, Li[Ni(0.55)Co(0.15)Mn(0.30)]O(2). The core material can deliver a very high capacity of over 200 mA h g(-1), while the manganese-rich concentration-gradient shell improves the cycling and thermal stability of the material. These improvements are caused by a gradual and continuous increase of the stable tetravalent Mn in the concentration-gradient shell layer. The electrochemical and thermal properties of this cathode material are found to be far superior to those of the core Li[Ni(0.8)Co(0.2)]O(2) material alone. Electron microscopy also reveals that the original crystal structure of this material remains intact after cycling.
C1 [Sun, Yang-Kook; Kim, Dong-Hui] Hanyang Univ, Dept Chem Engn, Seoul 133791, South Korea.
[Amine, Khalil] Argonne Natl Lab, Electrochem Technol Program, Chem Sci & Engn Div, Argonne, IL 60439 USA.
[Yoon, Chong Seung] Hanyang Univ, Dept Mat Sci & Engn, Seoul 133791, South Korea.
[Myung, Seung-Taek] Iwate Univ, Dept Chem Engn, Morioka, Iwate 0208551, Japan.
[Prakash, Jai] IIT, Dept Chem & Biol Engn, Chicago, IL 60616 USA.
RP Sun, YK (reprint author), Hanyang Univ, Dept Chem Engn, Seoul 133791, South Korea.
EM yksun@hanyang.ac.kr; amine@anl.gov
RI Sun, Yang-Kook/B-9157-2013; Amine, Khalil/K-9344-2013;
OI Sun, Yang-Kook/0000-0002-0117-0170; Myung,
Seung-Taek/0000-0001-6888-5376
FU Korea government (MEST) [2009-0092780]; US Department of Energy, Vehicle
Technologies Office
FX This work was carried out in close collaboration between Hanyang
University and Argonne National Laboratory. The work at Hanyang
University was supported by the National Research Foundation of Korea
(NRF) grant funded by the Korea government (MEST) (No. 2009-0092780).
The work at Argonne was funded by the US Department of Energy, Vehicle
Technologies Office. Supporting Information is available online from
Wiley InterScience or from the authors.
NR 24
TC 106
Z9 107
U1 17
U2 134
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PO BOX 10 11 61, D-69451 WEINHEIM, GERMANY
SN 1616-301X
J9 ADV FUNCT MATER
JI Adv. Funct. Mater.
PD FEB 8
PY 2010
VL 20
IS 3
BP 485
EP 491
DI 10.1002/adfm.200901730
PG 7
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied;
Physics, Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA 557BY
UT WOS:000274644400015
ER
PT J
AU Huang, LP
Liu, YC
Gubbins, KE
Nardelli, MB
AF Huang, Liping
Liu, Ying-Chun
Gubbins, Keith E.
Nardelli, Marco Buongiorno
TI Ti-decorated C-60 as catalyst for hydrogen generation and storage
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE ab initio calculations; adsorption; catalysts; chemisorption; density
functional theory; dissociation; fullerenes; hydrogen; hydrogen storage;
moisture; nanostructured materials; titanium; water
ID CORRELATION-ENERGY; DENSITY
AB First-principles calculations were carried out to study Ti-C-60 nanostructures as catalysts for water dissociation to generate hydrogen and elucidate the influence of water moisture in the air on hydrogen storage capability of such systems. Our results show that both Ti atoms and dimers on C-60 can act as reaction centers for water dissociation with much lower energy barriers than that for water splitting in free space (similar to 5 eV). After water dissociation, Ti atoms are covered with OH groups, their interaction with hydrogen is substantially reduced, and hydrogen adsorption is changed from chemisorption to physisorption. Therefore, care needs to be taken to eliminate moisture if they were designed as efficient hydrogen storage media.
C1 [Huang, Liping] Rensselaer Polytech Inst, Dept Mat Sci & Engn, Troy, NY 12180 USA.
[Liu, Ying-Chun] Zhejiang Univ, Dept Chem, Hangzhou 310027, Peoples R China.
[Liu, Ying-Chun; Gubbins, Keith E.] N Carolina State Univ, Dept Chem & Biomol Engn, Raleigh, NC 27695 USA.
[Gubbins, Keith E.] N Carolina State Univ, Inst Computat Sci & Engn, Raleigh, NC 27695 USA.
[Nardelli, Marco Buongiorno] N Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA.
[Nardelli, Marco Buongiorno] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37381 USA.
RP Huang, LP (reprint author), Rensselaer Polytech Inst, Dept Mat Sci & Engn, Troy, NY 12180 USA.
EM huang15@rpi.edu
RI Buongiorno Nardelli, Marco/C-9089-2009; Huang, Liping/B-4412-2008
FU American Chemical Society [48623-AC6]; National Natural Science
Foundation of China [20876132]; National Natural Science Foundation of
Zhejiang Province, China [Y4080131]; BES, U. S. DOE [DE-FG02-98ER14847,
DE-AC05-00OR22725]
FX L. H. would like to acknowledge RPI start-up funds for this research.
This work was also supported in part by the Petroleum Research Fund of
the American Chemical Society (Grant No. 48623-AC6), the National
Natural Science Foundation of China (Grant No. 20876132), National
Natural Science Foundation of Zhejiang Province, China (Grant No.
Y4080131), and by BES, U. S. DOE at ORNL (Grant Nos. DE-FG02-98ER14847
and DE-AC05-00OR22725 with UT-Battelle, LLC). Liping Huang and Ying-Chun
Liu contributed equally to this paper.
NR 18
TC 11
Z9 11
U1 2
U2 13
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 8
PY 2010
VL 96
IS 6
AR 063111
DI 10.1063/1.3302469
PG 3
WC Physics, Applied
SC Physics
GA 555MV
UT WOS:000274516900065
ER
PT J
AU Ogawa, Y
Minami, F
Abate, Y
Leone, SR
AF Ogawa, Y.
Minami, F.
Abate, Yohannes
Leone, Stephen R.
TI Nanometer-scale dielectric constant of Ge quantum dots using
apertureless near-field scanning optical microscopy
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE elemental semiconductors; germanium; optical microscopy; permittivity;
semiconductor quantum dots
ID CONFINEMENT; SCATTERING; SI
AB Tip-enhanced near-field scattering images of Ge quantum dots (QDs) with 20-40 nm height and 220-270 nm diameter grown on a Si substrate have been observed with a spatial resolution of 15 nm. Changing the wavelength of the incident light, the contrast of the images is reversed. It is found that the scattering intensity is caused by the dielectric constants of the materials under the probe. By changing the wavelength of the incident light, we have obtained information about the dielectric constant dispersion of single Ge QDs.
C1 [Ogawa, Y.; Minami, F.] Tokyo Inst Technol, Dept Phys, Tokyo 1528551, Japan.
[Abate, Yohannes; Leone, Stephen R.] Univ Calif Berkeley, Dept Chem & Phys, Berkeley, CA 94720 USA.
[Abate, Yohannes; Leone, Stephen R.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Ogawa, Y (reprint author), Tokyo Inst Technol, Dept Phys, Oh Okayama 2-12-1, Tokyo 1528551, Japan.
EM y.ogawa@ap.titech.ac.jp
FU MEXT, Japan; Tokyo Institute of Technology; Director, Office of Science,
Office of Basic Energy Sciences, of the U. S. Department of Energy
[DE-AC02-05CH11231]
FX This work was supported by the Global Center of Excellence Program by
MEXT, Japan through the Nanoscience and Quantum Physics Project of the
Tokyo Institute of Technology. The researchers at Berkeley are supported
by the Director, Office of Science, Office of Basic Energy Sciences, of
the U. S. Department of Energy under Contract No. DE-AC02-05CH11231.
NR 18
TC 10
Z9 10
U1 2
U2 8
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 8
PY 2010
VL 96
IS 6
AR 063107
DI 10.1063/1.3309692
PG 3
WC Physics, Applied
SC Physics
GA 555MV
UT WOS:000274516900061
ER
PT J
AU Yang, RQ
Tian, ZB
Klem, JF
Mishima, TD
Santos, MB
Johnson, MB
AF Yang, Rui Q.
Tian, Zhaobing
Klem, J. F.
Mishima, Tetsuya D.
Santos, Michael B.
Johnson, Matthew B.
TI Interband cascade photovoltaic devices
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE aluminium compounds; gallium compounds; III-V semiconductors; indium
compounds; infrared detectors; lasers; photodetectors; thermoelectric
conversion
AB A photovoltaic (PV) device based on an interband cascade (IC) structure is proposed for efficiently converting solar and thermal energy to electricity. These IC PV devices employ absorption and transport regions with characteristics that are favorable for achieving high open-circuit voltage and thus possibly improving conversion efficiency over conventional PV devices. Preliminary experiments carried out using IC infrared photodetectors (seven stages) and lasers (11 stages) showed open-circuit voltages that exceed the single-band gap voltage from these devices under infrared illumination. The observed open-circuit voltage demonstrates multiple stages operating in series and provides an initial proof of concept for IC PV devices.
C1 [Yang, Rui Q.; Tian, Zhaobing] Univ Oklahoma, Sch Elect & Comp Engn, Norman, OK 73019 USA.
[Klem, J. F.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Mishima, Tetsuya D.; Santos, Michael B.; Johnson, Matthew B.] Univ Oklahoma, Homer L Dodge Dept Phys & Astron, Norman, OK 73019 USA.
RP Yang, RQ (reprint author), Univ Oklahoma, Sch Elect & Comp Engn, Norman, OK 73019 USA.
EM rui.q.yang@ou.edu
RI Tian, Zhaobing/C-9705-2011; Santos, Michael/B-5836-2013
FU NSF [0838439]; AFOSR [FA9550-09-1-0288]; C-SPIN; MRSEC [DMR-0520550];
United States Department of Energy's National Nuclear Security
Administration [DE-AC04-94AL85000]
FX We thank Zhihua Cai for his technical assistance. This work is supported
in part by a new faculty start-up fund at OU, by NSF (Award No.
0838439), by AFOSR (Award No. FA9550-09-1-0288), and by C-SPIN, the
Oklahoma/Arkansas MRSEC (Grant No. DMR-0520550). Sandia is a
multiprogram laboratory operated by Sandia Corporation, a Lockheed
Martin Co., for the United States Department of Energy's National
Nuclear Security Administration under Contract No. DE-AC04-94AL85000.
NR 6
TC 26
Z9 28
U1 0
U2 12
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 8
PY 2010
VL 96
IS 6
AR 063504
DI 10.1063/1.3313934
PG 3
WC Physics, Applied
SC Physics
GA 555MV
UT WOS:000274516900074
ER
PT J
AU Zheng, M
Takei, K
Hsia, B
Fang, H
Zhang, XB
Ferralis, N
Ko, H
Chueh, YL
Zhang, YG
Maboudian, R
Javey, A
AF Zheng, Maxwell
Takei, Kuniharu
Hsia, Benjamin
Fang, Hui
Zhang, Xiaobo
Ferralis, Nicola
Ko, Hyunhyub
Chueh, Yu-Lun
Zhang, Yuegang
Maboudian, Roya
Javey, Ali
TI Metal-catalyzed crystallization of amorphous carbon to graphene
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE amorphous state; annealing; catalysis; crystallisation; graphene;
precipitation; Raman spectra; thin films
ID CHEMICAL-VAPOR-DEPOSITION; FEW-LAYER GRAPHENE; LARGE-AREA; DEVICES;
FILMS
AB Metal-catalyzed crystallization of amorphous carbon to graphene by thermal annealing is demonstrated. In this "limited source" process scheme, the thickness of the precipitated graphene is directly controlled by the thickness of the initial amorphous carbon layer. This is in contrast to chemical vapor deposition processes, where the carbon source is virtually unlimited and controlling the number of graphene layers depends on the tight control over a number of deposition parameters. Based on the Raman analysis, the quality of graphene is comparable to other synthesis methods found in the literature, such as chemical vapor deposition. The ability to synthesize graphene sheets with tunable thickness over large areas presents an important progress toward their eventual integration for various technological applications.
C1 [Zheng, Maxwell; Takei, Kuniharu; Fang, Hui; Zhang, Xiaobo; Ko, Hyunhyub; Chueh, Yu-Lun; Javey, Ali] Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA.
[Zheng, Maxwell; Takei, Kuniharu; Fang, Hui; Zhang, Xiaobo; Ko, Hyunhyub; Chueh, Yu-Lun; Javey, Ali] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
[Zheng, Maxwell; Takei, Kuniharu; Fang, Hui; Zhang, Xiaobo; Ko, Hyunhyub; Chueh, Yu-Lun; Maboudian, Roya; Javey, Ali] Univ Calif Berkeley, Berkeley Sensor & Actuator Ctr, Berkeley, CA 94720 USA.
[Hsia, Benjamin; Ferralis, Nicola; Maboudian, Roya] Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA.
RP Zheng, M (reprint author), Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA.
EM ajavey@eecs.berkeley.edu
RI Zhang, Xiaobo/B-3818-2012; Fang, Hui/I-8973-2014; Javey,
Ali/B-4818-2013; Ko, Hyunhyub/C-4848-2009; Chueh, Yu-Lun/E-2053-2013
OI Fang, Hui/0000-0002-4651-9786; Chueh, Yu-Lun/0000-0002-0155-9987
FU MSD Focus Center; Intel; NSF [EEC-0832819, CMMI-0825531]; Molecular
Foundry; LBNL
FX The authors acknowledge support from MSD Focus Center, Intel and NSF
(Grant Nos. EEC-0832819 and CMMI-0825531). The fabrication part of this
work was partially supported by the Molecular Foundry and a LDRD from
LBNL. M. Z. acknowledges a SRC research scholarship.
NR 18
TC 127
Z9 129
U1 13
U2 112
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 8
PY 2010
VL 96
IS 6
AR 063110
DI 10.1063/1.3318263
PG 3
WC Physics, Applied
SC Physics
GA 555MV
UT WOS:000274516900064
ER
PT J
AU Pomerantz, I
Bubis, N
Allada, K
Beck, A
Beck, S
Berman, BL
Boeglin, W
Camsonne, A
Canan, M
Chirapatpimol, K
Cisbani, E
Cusanno, F
de Jager, CW
Dutta, C
Garibaldi, F
Geagla, O
Gilman, R
Glister, J
Higinbotham, DW
Jiang, X
Katramatou, AT
Khrosinkova, E
Lee, BW
LeRose, JJ
Lindgren, R
McCcullough, E
Meekins, D
Michaels, R
Moffit, B
Petratos, GG
Piasetzky, E
Qian, X
Qiang, Y
Rodriguez, I
Ron, G
Saha, A
Sarty, AJ
Sawatzky, B
Schulte, E
Shneor, R
Sparveris, N
Subedi, R
Strauch, S
Sulkosky, V
Wang, Y
Wojtsekhowski, B
Yan, X
Yao, H
Zhan, X
Zheng, X
AF Pomerantz, I.
Bubis, N.
Allada, K.
Beck, A.
Beck, S.
Berman, B. L.
Boeglin, W.
Camsonne, A.
Canan, M.
Chirapatpimol, K.
Cisbani, E.
Cusanno, F.
de Jager, C. W.
Dutta, C.
Garibaldi, F.
Geagla, O.
Gilman, R.
Glister, J.
Higinbotham, D. W.
Jiang, X.
Katramatou, A. T.
Khrosinkova, E.
Lee, B. W.
LeRose, J. J.
Lindgren, R.
McCcullough, E.
Meekins, D.
Michaels, R.
Moffit, B.
Petratos, G. G.
Piasetzky, E.
Qian, X.
Qiang, Y.
Rodriguez, I.
Ron, G.
Saha, A.
Sarty, A. J.
Sawatzky, B.
Schulte, E.
Shneor, R.
Sparveris, N.
Subedi, R.
Strauch, S.
Sulkosky, V.
Wang, Y.
Wojtsekhowski, B.
Yan, X.
Yao, H.
Zhan, X.
Zheng, X.
TI Hard photodisintegration of a proton pair
SO PHYSICS LETTERS B
LA English
DT Article
ID GLUON STRINGS MODEL; DEUTERON PHOTODISINTEGRATION; 2-BODY
PHOTODISINTEGRATION; ELECTROMAGNETIC REACTIONS; POLARIZATION
OBSERVABLES; QUANTUM CHROMODYNAMICS; PHOTON ENERGIES; PION THRESHOLD;
CROSS-SECTION; PHOTOPRODUCTION
AB We present a Study of high energy photodisintegration of proton-pairs through the gamma + (3)He -> p + p + n channel. Photon energies, E(gamma), from 0.8 to 4.7 GeV were used in kinematics corresponding to a proton pair with high relative momentum and a neutron nearly at rest. The s(-11) scaling of the cross section, as predicted by the constituent counting rule for two nucleon photodisintegration, was observed for the first time. The onset of the scaling is at a higher energy and the cross section is significantly lower than for deuteron (pn pair) photoclisintegration. For E(gamma) below the scaling region, the scaled cross section was found to present a strong energy-dependent structure not observed in deuteron photodisintegration. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Camsonne, A.; de Jager, C. W.; Gilman, R.; Higinbotham, D. W.; LeRose, J. J.; Michaels, R.; Saha, A.; Sulkosky, V.; Wojtsekhowski, B.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
[Pomerantz, I.; Bubis, N.; Piasetzky, E.; Shneor, R.] Tel Aviv Univ, IL-69978 Tel Aviv, Israel.
[Allada, K.; Dutta, C.] Univ Kentucky, Lexington, KY 40506 USA.
[Beck, A.; Beck, S.] Nucl Res Ctr Negev, IL-84190 Beer Sheva, Israel.
[Berman, B. L.] George Washington Univ, Washington, DC 20052 USA.
[Boeglin, W.; Rodriguez, I.] Florida Int Univ, Miami, FL 33199 USA.
[Canan, M.] Old Dominion Univ, Norfolk, VA 23508 USA.
[Chirapatpimol, K.; Geagla, O.; Lindgren, R.; Sawatzky, B.; Zheng, X.] Univ Virginia, Charlottesville, VA 22904 USA.
[Cisbani, E.; Cusanno, F.; Garibaldi, F.] Ist Nazl Fis Nucl, Grp Coll Sanita, I-00161 Rome, Italy.
[Cisbani, E.; Cusanno, F.; Garibaldi, F.] Ist Super Sanita, Dept TESA, I-00161 Rome, Italy.
[Gilman, R.; Jiang, X.; Schulte, E.] Rutgers State Univ, Piscataway, NJ 08855 USA.
[Glister, J.; McCcullough, E.; Sarty, A. J.] St Marys Univ, Halifax, NS B3H 3C3, Canada.
[Glister, J.] Dalhousie Univ, Halifax, NS B3H 3J5, Canada.
[Katramatou, A. T.; Khrosinkova, E.; Petratos, G. G.; Subedi, R.] Kent State Univ, Kent, OH 44242 USA.
[Lee, B. W.; Yan, X.] Seoul Natl Univ, Seoul 151747, South Korea.
[Moffit, B.] Coll William & Mary, Williamsburg, VA 23187 USA.
[Qian, X.] Duke Univ, Durham, NC 27708 USA.
[Qiang, Y.; Sparveris, N.; Zhan, X.] MIT, Cambridge, MA 02139 USA.
[Ron, G.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Sawatzky, B.; Yao, H.] Temple Univ, Philadelphia, PA 19122 USA.
[Strauch, S.] Univ S Carolina, Columbia, SC 29208 USA.
[Wang, Y.] Univ Illinois, Urbana, IL 61801 USA.
RP Higinbotham, DW (reprint author), Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
EM doug@jlab.org
RI Cisbani, Evaristo/C-9249-2011; Sarty, Adam/G-2948-2014; Higinbotham,
Douglas/J-9394-2014;
OI Cisbani, Evaristo/0000-0002-6774-8473; Higinbotham,
Douglas/0000-0003-2758-6526; Qian, Xin/0000-0002-7903-7935
FU US Department of Energy; US National Science Foundation; Israel Science
Foundation; US-Israeli Bi-National Scientific Foundation
FX We thank M.M. Sargsian for initiating and escorting this study and S.J.
Brodsky, L.L. Frankfurt and M. Strikman for helpful discussions. We
thank the JLab physics and accelerator divisions for their support and
especially the CLAS Collaboration of Hall B, for allowing us access to
their data. This work was supported by the US Department of Energy, the
US National Science Foundation, the Israel Science Foundation, and the
US-Israeli Bi-National Scientific Foundation. Jefferson Science
Associates operates the Thornas Jefferson National Accelerator Facility
under DOE contract DE-AC05-060R23177.
NR 47
TC 13
Z9 13
U1 0
U2 2
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0370-2693
J9 PHYS LETT B
JI Phys. Lett. B
PD FEB 8
PY 2010
VL 684
IS 2-3
BP 106
EP 109
DI 10.1016/j.physletb.2009.12.050
PG 4
WC Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 561IV
UT WOS:000274970500009
ER
PT J
AU Airapetian, A
Akopov, N
Akopov, Z
Aschenauer, EC
Augustyniak, W
Avetissian, A
Avetisyan, E
Ball, B
Belostotski, S
Bianchi, N
Blok, HP
Bottcher, H
Bonomo, C
Borissov, A
Bryzgalov, V
Burns, J
Capiluppi, M
Capitani, GP
Cisbani, E
Ciullo, G
Contalbrigo, M
Dalpiaz, PF
Deconinck, W
De Nardo, L
De Leo, R
Dreschler, J
De Sanctis, E
Diefenthaler, M
Di Nezzai, P
Duren, M
Ehrenfried, M
Elbakian, G
Ellinghaus, F
Fabbri, R
Felawka, L
Fantoni, A
Frullani, S
Gabbert, D
Gapienko, V
Garibaldi, F
Gharibyan, V
Giordano, F
Gliske, S
Hadjidakis, C
Hartig, M
Hasch, D
Hill, G
Hillenbrand, A
Hoek, M
Holler, Y
Hristova, I
Imazu, Y
Ivanilov, A
Jackson, HE
Jo, HS
Jgoun, A
Joosten, S
Kaiser, R
Karyan, G
Keri, T
Kinney, E
Kisselev, A
Korotkov, V
Kozlov, V
Kravchenko, P
Lagamba, L
Lamb, R
Lapikas, L
Lehmann, I
Lenisa, P
Linden-Levy, LA
Ruiz, AL
Lorenzon, W
Lu, XG
Lu, XR
Ma, BQ
Mahon, D
Makins, NCR
Manaenkov, SI
Manfre, L
Mao, Y
Marianski, B
de la Ossa, AM
Marukyan, H
Miller, CA
Miyachi, Y
Movsisyan, A
Muccifora, V
Murray, M
Mussgiller, A
Nappi, E
Naryshkin, Y
Nass, A
Negodaev, M
Nowak, WD
Pappalardo, LL
Perez-Benito, R
Pickert, N
Raithel, M
Reimer, PE
Reolon, AR
Riedl, C
Rith, K
Rosner, G
Rostomyan, A
Rubin, J
Ryckbosch, D
Salomatin, Y
Sanftl, F
Schafer, A
Schnell, G
Schuler, KP
Seitz, B
Shibata, TA
Shutov, V
Stancari, M
Staterai, M
Steffens, E
Steijger, JJM
Stenzel, H
Stewart, J
Stinzing, F
Taroian, S
Trzcinski, A
Tytgat, M
Vandenbroucke, A
van der Nat, PB
Van Haarlem, Y
Van Hulse, C
Veretennikov, D
Vikhrov, V
Vilardi, I
Vogel, C
Wang, S
Yaschenko, S
Ye, H
Ye, Z
Yu, W
Zeiller, D
Zihlmann, B
Zupranski, P
AF Airapetian, A.
Akopov, N.
Akopov, Z.
Aschenauer, E. C.
Augustyniak, W.
Avetissian, A.
Avetisyan, E.
Ball, B.
Belostotski, S.
Bianchi, N.
Blok, H. P.
Boettcher, H.
Bonomo, C.
Borissov, A.
Bryzgalov, V.
Burns, J.
Capiluppi, M.
Capitani, G. P.
Cisbani, E.
Ciullo, G.
Contalbrigo, M.
Dalpiaz, P. F.
Deconinck, W.
De Nardo, L.
De Leo, R.
Dreschler, J.
De Sanctis, E.
Diefenthaler, M.
Di Nezzai, P.
Dueren, M.
Ehrenfried, M.
Elbakian, G.
Ellinghaus, F.
Fabbri, R.
Felawka, L.
Fantoni, A.
Frullani, S.
Gabbert, D.
Gapienko, V.
Garibaldi, F.
Gharibyan, V.
Giordano, F.
Gliske, S.
Hadjidakis, C.
Hartig, M.
Hasch, D.
Hill, G.
Hillenbrand, A.
Hoek, M.
Holler, Y.
Hristova, I.
Imazu, Y.
Ivanilov, A.
Jackson, H. E.
Jo, H. S.
Jgoun, A.
Joosten, S.
Kaiser, R.
Karyan, G.
Keri, T.
Kinney, E.
Kisselev, A.
Korotkov, V.
Kozlov, V.
Kravchenko, P.
Lagamba, L.
Lamb, R.
Lapikas, L.
Lehmann, I.
Lenisa, P.
Linden-Levy, L. A.
Ruiz, A. Lopez
Lorenzon, W.
Lu, X. -G.
Lu, X. -R.
Ma, B. -Q.
Mahon, D.
Makins, N. C. R.
Manaenkov, S. I.
Manfre, L.
Mao, Y.
Marianski, B.
de la Ossa, A. Martinez
Marukyan, H.
Miller, C. A.
Miyachi, Y.
Movsisyan, A.
Muccifora, V.
Murray, M.
Mussgiller, A.
Nappi, E.
Naryshkin, Y.
Nass, A.
Negodaev, M.
Nowak, W. -D.
Pappalardo, L. L.
Perez-Benito, R.
Pickert, N.
Raithel, M.
Reimer, P. E.
Reolon, A. R.
Riedl, C.
Rith, K.
Rosner, G.
Rostomyan, A.
Rubin, J.
Ryckbosch, D.
Salomatin, Y.
Sanftl, F.
Schaefer, A.
Schnell, G.
Schueler, K. P.
Seitz, B.
Shibata, T. A.
Shutov, V.
Stancari, M.
Staterai, M.
Steffens, E.
Steijger, J. J. M.
Stenzel, H.
Stewart, J.
Stinzing, F.
Taroian, S.
Trzcinski, A.
Tytgat, M.
Vandenbroucke, A.
van der Nat, P. B.
Van Haarlem, Y.
Van Hulse, C.
Veretennikov, D.
Vikhrov, V.
Vilardi, I.
Vogel, C.
Wang, S.
Yaschenko, S.
Ye, H.
Ye, Z.
Yu, W.
Zeiller, D.
Zihlmann, B.
Zupranski, P.
TI Transverse momentum broadening of hadrons produced in semi-inclusive
deep-inelastic scattering on nuclei
SO PHYSICS LETTERS B
LA English
DT Article
ID HADRONIZATION; FRAGMENTATION; DEUTERIUM; TARGETS
AB The first detailed measurement of the dependence oil target nuclear mass of the average Squared transverse momentum < p(t)(2)> of pi(+), pi(-), and K+ mesons from deep-inelastic lepton scattering is obtained as a function of several kinematic variables. The data were accumulated at the HERMES experiment at DESY, in which the HERA 27.6 GeV lepton beam was scattered off several nuclear gas targets. The average squared transverse momentum was clearly observed to increase with atomic mass number. The effect increases as a function of Q(2) and x and remains constant as a function of both the virtual photon energy v and the fractional hadron energy z, except that it vanishes as z approaches unity. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Diefenthaler, M.; Mussgiller, A.; Nass, A.; Pickert, N.; Raithel, M.; Rith, K.; Steffens, E.; Stinzing, F.; Vogel, C.; Yaschenko, S.; Zeiller, D.] Univ Erlangen Nurnberg, Inst Phys, D-91058 Erlangen, Germany.
[Jackson, H. E.; Reimer, P. E.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
[De Leo, R.; Lagamba, L.; Nappi, E.; Vilardi, I.] Ist Nazl Fis Nucl, Sez Bari, I-70124 Bari, Italy.
[Ma, B. -Q.; Mao, Y.; Wang, S.; Ye, H.] Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
[Ellinghaus, F.; Kinney, E.; de la Ossa, A. Martinez] Univ Colorado, Nucl Phys Lab, Boulder, CO 80309 USA.
[Akopov, Z.; Avetisyan, E.; Borissov, A.; Deconinck, W.; De Nardo, L.; Giordano, F.; Hartig, M.; Holler, Y.; Mussgiller, A.; Rostomyan, A.; Schueler, K. P.; Ye, Z.; Zihlmann, B.] DESY, D-22603 Hamburg, Germany.
[Aschenauer, E. C.; Boettcher, H.; Fabbri, R.; Gabbert, D.; Hillenbrand, A.; Hristova, I.; Lu, X. -G.; Negodaev, M.; Nowak, W. -D.; Riedl, C.; Schnell, G.; Stewart, J.; Yaschenko, S.] DESY, D-15738 Zeuthen, Germany.
[Shutov, V.] Joint Inst Nucl Res, Dubna 141980, Russia.
[Bonomo, C.; Capiluppi, M.; Ciullo, G.; Contalbrigo, M.; Dalpiaz, P. F.; Giordano, F.; Lenisa, P.; Pappalardo, L. L.; Stancari, M.; Staterai, M.] Univ Ferrara, Ist Nazl Fis Nucl, Sez Ferrara, I-44100 Ferrara, Italy.
[Bonomo, C.; Capiluppi, M.; Ciullo, G.; Contalbrigo, M.; Dalpiaz, P. F.; Giordano, F.; Lenisa, P.; Pappalardo, L. L.; Stancari, M.; Staterai, M.] Univ Ferrara, Dipartimento Fis, I-44100 Ferrara, Italy.
[Bianchi, N.; Capitani, G. P.; De Sanctis, E.; Di Nezzai, P.; Fantoni, A.; Hadjidakis, C.; Hasch, D.; Muccifora, V.; Reolon, A. R.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy.
[Jo, H. S.; Ruiz, A. Lopez; Ryckbosch, D.; Schnell, G.; Tytgat, M.; Vandenbroucke, A.; Van Haarlem, Y.; Van Hulse, C.] Univ Ghent, Dept Subatom & Radiat Phys, B-9000 Ghent, Belgium.
[Airapetian, A.; Dueren, M.; Ehrenfried, M.; Keri, T.; Perez-Benito, R.; Stenzel, H.; Yu, W.] Univ Giessen, Inst Phys, D-35392 Giessen, Germany.
[Burns, J.; Hill, G.; Hoek, M.; Kaiser, R.; Keri, T.; Lehmann, I.; Mahon, D.; Murray, M.; Rosner, G.; Seitz, B.] Univ Glasgow, Dept Phys & Astron, Glasgow G12 8QQ, Lanark, Scotland.
[Diefenthaler, M.; Joosten, S.; Lamb, R.; Linden-Levy, L. A.; Makins, N. C. R.; Rubin, J.] Univ Illinois, Dept Phys, Urbana, IL 61801 USA.
[Airapetian, A.; Ball, B.; Deconinck, W.; De Nardo, L.; Gliske, S.; Lorenzon, W.] Univ Michigan, Randall Lab Phys, Ann Arbor, MI 48109 USA.
[Kozlov, V.] PN Lebedev Phys Inst, Moscow 117924, Russia.
[Blok, H. P.; Dreschler, J.; Lapikas, L.; Steijger, J. J. M.; van der Nat, P. B.] Natl Inst Subatom Phys Nikhef, NL-1009 DB Amsterdam, Netherlands.
[Belostotski, S.; Jgoun, A.; Kisselev, A.; Kravchenko, P.; Manaenkov, S. I.; Naryshkin, Y.; Veretennikov, D.; Vikhrov, V.] Petersburg Nucl Phys Inst, Gatchina 188300, Leningrad Reg, Russia.
[Bryzgalov, V.; Gapienko, V.; Ivanilov, A.; Korotkov, V.; Salomatin, Y.] Inst High Energy Phys, Protvino 142281, Moscow Region, Russia.
[Sanftl, F.; Schaefer, A.] Univ Regensburg, Inst Theoret Phys, D-93040 Regensburg, Germany.
[Cisbani, E.; Frullani, S.; Garibaldi, F.; Manfre, L.] Ist Nazl Fis Nucl, Sez Roma 1, Grp Sanita, I-00161 Rome, Italy.
[Cisbani, E.; Frullani, S.; Garibaldi, F.; Manfre, L.] Ist Super Sanita, Phys Lab, I-00161 Rome, Italy.
[Felawka, L.; Miller, C. A.] TRIUMF, Vancouver, BC V6T 2A3, Canada.
[Imazu, Y.; Lu, X. -R.; Miyachi, Y.; Shibata, T. A.] Tokyo Inst Technol, Dept Phys, Tokyo 152, Japan.
[Blok, H. P.] Vrije Univ Amsterdam, Dept Phys, NL-1081 HV Amsterdam, Netherlands.
[Augustyniak, W.; Marianski, B.; Trzcinski, A.; Zupranski, P.] Andrzej Soltan Inst Studies, PL-00689 Warsaw, Poland.
[Akopov, N.; Avetissian, A.; Elbakian, G.; Gharibyan, V.; Karyan, G.; Marukyan, H.; Movsisyan, A.; Taroian, S.] Yerevan Phys Inst, Yerevan 375036, Armenia.
RP Rith, K (reprint author), Univ Erlangen Nurnberg, Inst Phys, D-91058 Erlangen, Germany.
EM klaus.rith@desy.de
RI Cisbani, Evaristo/C-9249-2011; Deconinck, Wouter/F-4054-2012; Reimer,
Paul/E-2223-2013; Negodaev, Mikhail/A-7026-2014; Taroian,
Sarkis/E-1668-2014; Kozlov, Valentin/M-8000-2015;
OI Cisbani, Evaristo/0000-0002-6774-8473; Lagamba,
Luigi/0000-0002-0233-9812; Deconinck, Wouter/0000-0003-4033-6716
NR 28
TC 31
Z9 31
U1 1
U2 7
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0370-2693
EI 1873-2445
J9 PHYS LETT B
JI Phys. Lett. B
PD FEB 8
PY 2010
VL 684
IS 2-3
BP 114
EP 118
DI 10.1016/j.physletb.2010.01.020
PG 5
WC Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 561IV
UT WOS:000274970500011
ER
PT J
AU Allen, CD
Macalady, AK
Chenchouni, H
Bachelet, D
McDowell, N
Vennetier, M
Kitzberger, T
Rigling, A
Breshears, DD
Hogg, EH
Gonzalez, P
Fensham, R
Zhang, Z
Castro, J
Demidova, N
Lim, JH
Allard, G
Running, SW
Semerci, A
Cobb, N
AF Allen, Craig D.
Macalady, Alison K.
Chenchouni, Haroun
Bachelet, Dominique
McDowell, Nate
Vennetier, Michel
Kitzberger, Thomas
Rigling, Andreas
Breshears, David D.
Hogg, E. H. (Ted)
Gonzalez, Patrick
Fensham, Rod
Zhang, Zhen
Castro, Jorge
Demidova, Natalia
Lim, Jong-Hwan
Allard, Gillian
Running, Steven W.
Semerci, Akkin
Cobb, Neil
TI A global overview of drought and heat-induced tree mortality reveals
emerging climate change risks for forests
SO FOREST ECOLOGY AND MANAGEMENT
LA English
DT Article; Proceedings Paper
CT Conference on Adaptation of Forests and Forest Management to Changing
Climate with Emphasis on Forest Health
CY AUG 25-28, 2008
CL Umea, SWEDEN
DE Climate change; Drought effects; Forest die-off; Forest mortality;
Global patterns; Tree mortality
ID PINYON-JUNIPER WOODLANDS; PINE PINUS-SYLVESTRIS;
GONAREZHOU-NATIONAL-PARK; MISTLETOE VISCUM-ALBUM; SWISS RHONE VALLEY;
EL-NINO DROUGHT; RAIN-FOREST; UNITED-STATES; NORTH-AMERICA; NEW-ZEALAND
AB Greenhouse gas emissions have significantly altered global climate, and will continue to do so in the future. Increases in the frequency, duration, and/or severity of drought and heat stress associated with climate change could fundamentally alter the composition, structure, and biogeography of forests in many regions. Of particular concern are potential increases in tree mortality associated with climate-induced physiological stress and interactions with other climate-mediated processes such as insect outbreaks and wildfire. Despite this risk, existing projections of tree mortality are based on models that lack functionally realistic mortality mechanisms, and there has been no attempt to track observations of climate-driven tree mortality globally. Here we present the first global assessment of recent tree mortality attributed to drought and heat stress. Although episodic mortality occurs in the absence of climate change, studies compiled here suggest that at least some of the world's forested ecosystems already may be responding to climate change and raise concern that forests may become increasingly vulnerable to higher background tree mortality rates and die-off in response to future warming and drought, even in environments that are not normally considered water-limited. This further suggests risks to ecosystem services, including the loss of sequestered forest carbon and associated atmospheric feedbacks. Our review also identifies key information gaps and scientific uncertainties that currently hinder our ability to predict tree mortality in response to climate change and emphasizes the need for a globally coordinated observation system. Overall, our review reveals the potential for amplified tree mortality due to drought and heat in forests worldwide. Published by Elsevier B.V.
C1 [Allen, Craig D.] US Geol Survey, Ft Collins Sci Ctr, Jemez Mt Field Stn, Los Alamos, NM 87544 USA.
[Macalady, Alison K.] Univ Arizona, Sch Geog & Dev, Tucson, AZ 85721 USA.
[Macalady, Alison K.] Univ Arizona, Tree Ring Res Lab, Tucson, AZ 85721 USA.
[Chenchouni, Haroun] Univ Batna, Dept Biol, Batna 05000, Algeria.
[Bachelet, Dominique] Oregon State Univ, Dept Biol & Ecol Engn, Corvallis, OR 97330 USA.
[McDowell, Nate] Los Alamos Natl Lab, Los Alamos, NM 87544 USA.
[Vennetier, Michel] Aix Marseille Univ, ECCOREV FR 3098, CEMAGREF, Aix En Provence, France.
[Kitzberger, Thomas] Consejo Nacl Invest Cient & Tecn, INIBIOMA, Lab Ecotono, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina.
[Kitzberger, Thomas] Univ Nacl Comahue, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina.
[Rigling, Andreas] Swiss Fed Inst Forest Snow & Landscape Res WSL, CH-8903 Birmensdorf, Switzerland.
[Breshears, David D.] Univ Arizona, Sch Nat Resources & Environm, Tucson, AZ 85721 USA.
[Breshears, David D.] Univ Arizona, Dept Ecol & Evolutionary Biol, Tucson, AZ 85721 USA.
[Hogg, E. H. (Ted)] Canadian Forest Serv, No Forestry Ctr, Edmonton, AB T6H 3S5, Canada.
[Gonzalez, Patrick] Univ Calif Berkeley, Ctr Forestry, Berkeley, CA 94720 USA.
[Fensham, Rod] Environm Protect Agcy, Queensland Herbarium, Toowong, Qld 4066, Australia.
[Zhang, Zhen] Chinese Acad Forestry, Res Inst Forest Ecol Environm & Protect, Key Lab Forest Protect, State Forestry Adm, Beijing 100091, Peoples R China.
[Castro, Jorge] Univ Granada, Dept Ecol, Grp Ecol Terr, E-18071 Granada, Spain.
[Demidova, Natalia] No Res Inst Forestry, Arkhangelsk 163062, Russia.
[Lim, Jong-Hwan] Korea Forest Res Inst, Dept Forest Conservat, Div Forest Ecol, Seoul 130712, South Korea.
[Allard, Gillian] FAO, Dept Forestry, I-00100 Rome, Italy.
[Running, Steven W.] Univ Montana, Numer Terradynam Simulat Grp, Missoula, MT 59812 USA.
[Semerci, Akkin] Cent Anatolia Forestry Res Inst, TR-06501 Bahcelievler Ankara, Turkey.
[Cobb, Neil] No Arizona Univ, Dept Biol Sci, Flagstaff, AZ 86011 USA.
[Cobb, Neil] No Arizona Univ, Merriam Powell Ctr Environm Res, Flagstaff, AZ 86011 USA.
RP Allen, CD (reprint author), US Geol Survey, Ft Collins Sci Ctr, Jemez Mt Field Stn, Los Alamos, NM 87544 USA.
EM craig_allen@usgs.gov
RI Chenchouni, Haroun/I-7494-2012; Rigling, Andreas/B-9665-2013; Vennetier,
Michel/B-1354-2012; Gonzalez, Patrick/B-9479-2013; Castro,
Jorge/M-1509-2014; Kitzberger, Thomas/H-9209-2015; Breshears,
David/B-9318-2009; Wang, Jin-xin/B-4770-2009
OI Hogg, Ted/0000-0002-6198-0124; Chenchouni, Haroun/0000-0001-9077-2706;
Vennetier, Michel/0000-0002-7549-5701; Gonzalez,
Patrick/0000-0002-7105-0561; Castro, Jorge/0000-0002-6362-2240;
Kitzberger, Thomas/0000-0002-9754-4121; Breshears,
David/0000-0001-6601-0058;
NR 260
TC 1611
Z9 1672
U1 200
U2 1461
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-1127
J9 FOREST ECOL MANAG
JI For. Ecol. Manage.
PD FEB 5
PY 2010
VL 259
IS 4
SI SI
BP 660
EP 684
DI 10.1016/j.foreco.2009.09.001
PG 25
WC Forestry
SC Forestry
GA 561XW
UT WOS:000275014400002
ER
PT J
AU Uzun, A
Ortalan, V
Browning, ND
Gates, BC
AF Uzun, Alper
Ortalan, Volkan
Browning, Nigel D.
Gates, Bruce C.
TI A site-isolated mononuclear iridium complex catalyst supported on MgO:
Characterization by spectroscopy and aberration-corrected scanning
transmission electron microscopy
SO JOURNAL OF CATALYSIS
LA English
DT Article
DE Scanning transmission electron microscopy; Iridium complex catalyst;
Ethene hydrogenation; Single-atom imaging
ID RAY-ABSORPTION-SPECTROSCOPY; INFRARED-SPECTROSCOPY; ETHENE
HYDROGENATION; ZEOLITE-Y; OXIDATION; CLUSTERS; CO; IR; IDENTIFICATION;
REACTIVITY
AB Supported mononuclear iridium complexes with ethene ligands were prepared by the reaction of Ir(C(2)H(4))(2)(acac) (acac is CH(3)CCCHCOCH(3)) wit:h highly dehydroxylated MgO. Characterization of the supported species by extended X-ray absorption fine structure (EXAFS) and infrared (IR) spectroscopies showed that the resultant supported organometallic species were Ir(C(2)H(4))(2), formed by the dissociation of the acac ligand from Ir(C(2)H(4))(2)(acac) and bonding of the Ir(C(2)H(4))(2) species to the MgO surface. Direct evidence of the site-isolation of these mononuclear complexes was obtained by aberration-corrected scanning transmission electron microscopy (STEM); the images demonstrate the presence of the iridium complexes in the absence of any clusters. When the iridium complexes were probed with CO, the resulting IR spectra demonstrated the formation of Ir(CO)(2) complexes On the MgO surface. The breadth of the nu(CO) bands demonstrates a substantial variation in the metal-support bonding, consistent with the heterogeneity of the MgO surface; the STEM images are not sufficient to characterize this heterogeneity. The supported iridium complexes catalyzed ethene hydrogenation at room temperature and atmospheric pressure in a flow reactor, and EXAFS spectra indicated that the mononuclear iridium species remained intact. STEM images of the used catalyst confirmed that almost all of the iridium complexes remained intact, but this method was sensitive enough to detect a small degree of aggregation of the iridium on the support. (C) 2009 Published by Elsevier Inc.
C1 [Uzun, Alper; Ortalan, Volkan; Browning, Nigel D.; Gates, Bruce C.] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA.
[Browning, Nigel D.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Gates, BC (reprint author), Univ Calif Davis, Dept Chem Engn & Mat Sci, 1 Shields Ave, Davis, CA 95616 USA.
EM bcgates@ucdavis.edu
OI Uzun, Alper/0000-0001-7024-2900; Browning, Nigel/0000-0003-0491-251X
FU US Department of Energy (DOE) [DE-FG02-04ER15600]; National Science
Foundation (NSF) [CTS-0500511]
FX This research was supported by the US Department of Energy (DOE) (A.U.,
Grant No. DE-FG02-04ER15600) and by the National Science Foundation
(NSF) (V.O., Grant No. CTS-0500511). We acknowledge beam time and the
support of the DOE Division of Materials Sciences for its role in the
operation and development of beamline X-18B at the National Synchrotron
Light Source. We further acknowledge the Stanford Synchrotron Radiation
Laboratory, operated by Stanford University for the US Department of
Energy, Office of Science, Basic Energy Science, for access to beam time
on beamline 2-3. We thank the beamline staffs at both facilities for
their assistance. The STEM images were acquired at Oak Ridge National
Laboratory's Shared Research Equipment (SHaRE) User Facility, supported
by the Division of Scientific User Facilities, Office of Science, Basic
Energy Science, DOE.
NR 38
TC 46
Z9 46
U1 7
U2 56
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9517
J9 J CATAL
JI J. Catal.
PD FEB 5
PY 2010
VL 269
IS 2
BP 318
EP 328
DI 10.1016/j.jcat.2009.11.017
PG 11
WC Chemistry, Physical; Engineering, Chemical
SC Chemistry; Engineering
GA 569HK
UT WOS:000275587000008
ER
PT J
AU Feng, H
Elam, JW
Libera, JA
Pellin, MJ
Stair, PC
AF Feng, H.
Elam, J. W.
Libera, J. A.
Pellin, M. J.
Stair, P. C.
TI Oxidative dehydrogenation of cyclohexane over alumina-supported vanadium
oxide nanoliths
SO JOURNAL OF CATALYSIS
LA English
DT Article
DE Oxidative dehydrogenation (ODH); Cyclohexane; Vanadium oxides (VOx);
Anodic aluminum oxide (AAO); Atomic layer deposition (ALD)
ID ATOMIC LAYER DEPOSITION; SITU INFRARED TECHNIQUES; DIFFUSE-REFLECTANCE;
METHANOL CHEMISORPTION; RAMAN-SPECTROSCOPY; ACTIVE-SITES; CATALYSTS;
SURFACE; PROPANE; FREQUENCIES
AB Featuring highly ordered one-dimensional nanopores, anodic aluminum oxide (AAO) makes an ideal substrate for fabrication of catalysts by atomic layer deposition (ALD). Vanadium oxide (VOx) catalysts supported on AAOs and prepared by ALD and incipient wetness impregnation are characterized by X-ray fluorescence and ultraviolet-visible (UV-Vis) spectroscopy. At low loadings (<4 V/nm(2)) the supported VOx are mostly isolated monomers; polyvanadate domains are gradually formed as the surface vanadium content increases. The catalytic performance at a series of loadings (<3-32 V/nm(2)), and hence different forms of VOx, for the oxidative dehydrogenation (ODH) of cyclohexane are investigated. Compared to the catalysts prepared by incipient wetness impregnation, the ALD VOx catalysts show specific activities that are between 2 and 7.5 times higher. This reflects a better dispersion of the catalytic species on the surface as synthesized by ALD. In the cyclohexane ODH reaction with the supported ALD VOx, the kinetic orders and activation energies are comparable to kinetics data reported previously for the supported VOx. The results indicate that the ALD technique can be applied as an alternative approach to synthesize the supported VOx catalysts and achieves very good dispersion even at loadings above one monolayer (8 V/nm(2)). In the ODH reaction, polyvanadate sites are shown to be more active, overall, than monovanadate sites. However, numerical modeling of the reaction pathways indicates that the olefin formation rate is similar to 3 times faster on monomeric VOx sites than on polymeric VOx. By comparing the ODH of cyclohexane and the oxidations of cyclohexene and benzene, we find that both the sequential path and the direct path (the direct conversion from cyclohexane to benzene) are important in the oxidation process of cyclohexane. (C) 2009 Elsevier Inc. All rights reserved.
C1 [Stair, P. C.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA.
[Stair, P. C.] Northwestern Univ, Ctr Catalysis & Surface Sci, Evanston, IL 60208 USA.
[Elam, J. W.; Libera, J. A.] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA.
[Pellin, M. J.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Feng, H.; Stair, P. C.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
RP Stair, PC (reprint author), Northwestern Univ, Dept Chem, 2145 Sheridan Rd, Evanston, IL 60208 USA.
EM pstair@northwestern.edu
RI Pellin, Michael/B-5897-2008
OI Pellin, Michael/0000-0002-8149-9768
FU US Department of Energy, Office of Basic Energy Science
[DE-AC02-06CH11357, DE-FG02-03-ER15457]
FX This work was supported by the US Department of Energy, Office of Basic
Energy Science, under Contracts DE-AC02-06CH11357 and
DE-FG02-03-ER15457.
NR 49
TC 49
Z9 50
U1 3
U2 97
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9517
J9 J CATAL
JI J. Catal.
PD FEB 5
PY 2010
VL 269
IS 2
BP 421
EP 431
DI 10.1016/j.jcat.2009.11.026
PG 11
WC Chemistry, Physical; Engineering, Chemical
SC Chemistry; Engineering
GA 569HK
UT WOS:000275587000019
ER
PT J
AU Svec, F
AF Svec, Frantisek
TI Porous polymer monoliths: Amazingly wide variety of techniques enabling
their preparation
SO JOURNAL OF CHROMATOGRAPHY A
LA English
DT Review
DE Monolith; Polymerization; Radical; Polycondensation; Grafting
ID PERFORMANCE LIQUID-CHROMATOGRAPHY; OPENING METATHESIS POLYMERIZATION;
FREE-RADICAL POLYMERIZATION; CO-ETHYLENE DIMETHACRYLATE); SOLID-PHASE
EXTRACTION; IONIZATION MASS-SPECTROMETRY; SUPERCRITICAL CARBON-DIOXIDE;
MACROPOROUS POLYACRYLAMIDE-GEL; EXCHANGE STATIONARY PHASES; LESS COMMON
APPLICATIONS
AB The porous polymer monoliths went a long way since their invention two decades ago. While the first studies applied the traditional polymerization processes at that time well established for the preparation of polymer particles, creativity of scientists interested in the monolithic structures has later led to the use of numerous less common techniques. This review article presents vast variety of methods that have meanwhile emerged. The text first briefly describes the early approaches used for the preparation of monoliths comprising standard free radical polymerizations and includes their development up to present days. Specific attention is paid to the effects of process variables on the formation of both porous structure and pore surface chemistry. Specific attention is also devoted to the use of photopolymerization. Then, several less common free radical polymerization techniques are presented in more detail such as those initiated by gamma-rays and electron beam, the preparation of monoliths from high internal phase emulsions, and cryogels. Living processes including stable free radicals, atom transfer radical polymerization, and ring-opening metathesis polymerization are also discussed. The review ends with description of preparation methods based on polycondensation and polyaddition reactions as well as on precipitation of preformed polymers affording the monolithic materials. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Svec, Frantisek] EO Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Svec, Frantisek] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
RP Svec, F (reprint author), EO Lawrence Berkeley Natl Lab, MS 67R6110, Berkeley, CA 94720 USA.
EM fsvec@lbl.gov
FU National Institutes of Health [GM-48364, EB-006133]; Office of Science,
Office of Basic Energy Sciences, Materials Sciences and Engineering
Division, of the U.S. Department of Energy [DE-AC02-05CH11231]
FX Support of this work by grants of the National Institutes of Health
(GM-48364 and EB-006133) is gratefully acknowledged. This work was also
supported by the Director, Office of Science, Office of Basic Energy
Sciences, Materials Sciences and Engineering Division, of the U.S.
Department of Energy under Contract No. DE-AC02-05CH11231.
NR 233
TC 327
Z9 334
U1 31
U2 344
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0021-9673
EI 1873-3778
J9 J CHROMATOGR A
JI J. Chromatogr. A
PD FEB 5
PY 2010
VL 1217
IS 6
SI SI
BP 902
EP 924
DI 10.1016/j.chroma.2009.09.073
PG 23
WC Biochemical Research Methods; Chemistry, Analytical
SC Biochemistry & Molecular Biology; Chemistry
GA 550DS
UT WOS:000274109100012
PM 19828151
ER
PT J
AU Wang, XF
Ding, B
Yu, JY
Wang, MR
Pan, FK
AF Wang, Xianfeng
Ding, Bin
Yu, Jianyong
Wang, Moran
Pan, Fukui
TI A highly sensitive humidity sensor based on a nanofibrous membrane
coated quartz crystal microbalance
SO NANOTECHNOLOGY
LA English
DT Article
ID ELECTROSPUN NANOFIBERS; SENSING PROPERTIES; GAS SENSORS; POLYMER;
FIBERS; FILMS; WATER; POLYELECTROLYTE; SORPTION; VAPOR
AB A novel humidity sensor was fabricated by electrospinning deposition of nanofibrous polyelectrolyte membranes as sensitive coatings on a quartz crystal microbalance (QCM). The results of sensing experiments indicated that the response of the sensors increased by more than two orders of magnitude with increasing relative humidity (RH) from 6 to 95% at room temperature, exhibiting high sensitivity, and that, in the range of 20-95% RH, the Log(Delta f) showed good linearity. The sensitivity of fibrous composite polyacrylic acid (PAA)/poly(vinyl alcohol) (PVA) membranes was two times higher than that of the corresponding flat films at 95% RH. Compared with fibrous PAA/PVA membranes, the nanofibrous PAA membranes exhibited remarkably enhanced humidity sensitivity due to their high PAA content and large specific surface area caused by the formation of ultrathin nanowebs among electrospun fibers. Additionally, the resultant sensors exhibited a good reversible behavior and good long term stability.
C1 [Wang, Xianfeng; Ding, Bin] Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China.
[Wang, Xianfeng; Ding, Bin; Yu, Jianyong] Donghua Univ, Modern Text Inst, Nanomat Res Ctr, Shanghai 200051, Peoples R China.
[Wang, Xianfeng] Donghua Univ, Coll Text, Shanghai 201620, Peoples R China.
[Wang, Moran] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Pan, Fukui] Qingdao Univ, Coll Text & Fash, Qingdao 266071, Peoples R China.
RP Ding, B (reprint author), Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China.
EM binding@dhu.edu.cn
RI Wang, Moran/A-1150-2010; Wang, Xianfeng/I-9846-2014
FU National Natural Science Foundation of China [50803009, 10872048];
Program of Introducing Talents of Discipline to Universities [111-2-04,
B07024]
FX This work was partly supported by the National Natural Science
Foundation of China under grant Nos 50803009 and 10872048. Partial
support from the Program of Introducing Talents of Discipline to
Universities (Nos 111-2-04 and B07024) was appreciated.
NR 34
TC 87
Z9 95
U1 17
U2 105
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0957-4484
J9 NANOTECHNOLOGY
JI Nanotechnology
PD FEB 5
PY 2010
VL 21
IS 5
AR 055502
DI 10.1088/0957-4484/21/5/055502
PG 6
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary;
Physics, Applied
SC Science & Technology - Other Topics; Materials Science; Physics
GA 540PT
UT WOS:000273348400014
PM 20023313
ER
PT J
AU Seo, JW
Barron, AE
Zuckermann, RN
AF Seo, Jiwon
Barron, Annelise E.
Zuckermann, Ronald N.
TI Novel Peptoid Building Blocks: Synthesis of Functionalized Aromatic
Helix-Inducing Submonomers
SO ORGANIC LETTERS
LA English
DT Article
ID TERT-BUTANESULFINYL IMINES; SURFACTANT PROTEIN-B; CHIRAL SIDE-CHAINS;
SECONDARY STRUCTURE; RECEPTOR ANTAGONISTS; ASYMMETRIC-SYNTHESIS; DIRECT
CONDENSATION; EFFICIENT METHOD; PROTECTING GROUP; OLIGOMERS
AB Peptoids, oligo-N-substituted glycines, can fold into well-defined helical secondary structures. The design and synthesis of new peptoid building blocks that are capable of both (a) inducing a helical secondary structure and (b) decorating the helices with chemical functionalities are reported. Peptoid heptamers containing carboxamide, carboxylic acid or thiol functionalities were synthesized, and the resulting peptoids were shown to form stable helices. A thiol-containing peptoid readily formed the homodisulfide. providing a convenient route to prepare peptoid helix homodimers.
C1 [Zuckermann, Ronald N.] Lawrence Berkeley Natl Lab, Biol Nanostruct Facil, Berkeley, CA 94720 USA.
[Seo, Jiwon; Barron, Annelise E.] Stanford Univ, Dept Bioengn, Stanford, CA 94305 USA.
RP Zuckermann, RN (reprint author), Lawrence Berkeley Natl Lab, Biol Nanostruct Facil, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM rnzuckermann@lbl.gov
RI Barron, Annelise/B-7639-2009; Zuckermann, Ronald/A-7606-2014
OI Zuckermann, Ronald/0000-0002-3055-8860
FU Office of Science, Office of Basic Energy Sciences of the U.S.
Department of Energy [DE-AC02-05CH11231]; National Institute of Health
[R01 A1072666]
FX Work at the Molecular Foundry was supported by the Office of Science,
Office of Basic Energy Sciences of the U.S. Department of Energy under
Contract No. DE-AC02-05CH11231. We are also grateful to the National
Institute of Health (R01 A1072666 to A.E.B.) for the support. J.S.
thanks Dr. Byoung-Chul Lee (Lawrence Berkeley National Laboratory) and
Dr. Modi Wetzler (Stanford University) for valuable discussions.
NR 40
TC 32
Z9 32
U1 0
U2 19
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1523-7060
J9 ORG LETT
JI Org. Lett.
PD FEB 5
PY 2010
VL 12
IS 3
BP 492
EP 495
DI 10.1021/ol902660p
PG 4
WC Chemistry, Organic
SC Chemistry
GA 548QZ
UT WOS:000273982600024
PM 20055478
ER
PT J
AU Hucker, M
von Zimmermann, M
Debessai, M
Schilling, JS
Tranquada, JM
Gu, GD
AF Huecker, M.
von Zimmermann, M.
Debessai, M.
Schilling, J. S.
Tranquada, J. M.
Gu, G. D.
TI Spontaneous Symmetry Breaking by Charge Stripes in the High Pressure
Phase of Superconducting La1.875Ba0. 125CuO4
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID LA2-XBAXCUO4; TRANSITIONS; STATE; ORDER
AB In those cases where charge-stripe order has been observed in cuprates, the crystal structure is such that the average rotational symmetry of the CuO2 planes is reduced from fourfold to twofold. As a result, one could argue that the reduced lattice symmetry is essential to the existence of stripe order. We use pressure to restore the average fourfold symmetry in a single crystal of La1.875Ba0.125CuO4, and show by x-ray diffraction that charge-stripe order still occurs. Thus, electronically driven stripe order can spontaneously break the lattice symmetry.
C1 [Huecker, M.; Tranquada, J. M.; Gu, G. D.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[von Zimmermann, M.] Hamburger Synchrotronstrahlungslabor HASYLAB Deut, D-22603 Hamburg, Germany.
[Debessai, M.; Schilling, J. S.] Washington Univ, Dept Phys, St Louis, MO 63130 USA.
RP Hucker, M (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
RI Tranquada, John/A-9832-2009; Gu, Genda/D-5410-2013
OI Tranquada, John/0000-0003-4984-8857; Gu, Genda/0000-0002-9886-3255
FU U.S. Department of Energy [DE-AC02-98CH10886]; National Science
Foundation [DMR-0703896]
FX We gratefully acknowledge helpful discussions with E. W. Carlson, S. A.
Kivelson, and A. Gozar. M. v. Z. and M. H. thank R. Nowak for technical
support with the high pressure XRD setup. Work at Brookhaven is
supported by the Office of Science, U.S. Department of Energy under
Contract No. DE-AC02-98CH10886. M. D. and J. S. S. are supported by the
National Science Foundation through Grant No. DMR-0703896.
NR 33
TC 41
Z9 41
U1 0
U2 11
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 5
PY 2010
VL 104
IS 5
AR 057004
DI 10.1103/PhysRevLett.104.057004
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 553AM
UT WOS:000274336800040
PM 20366788
ER
PT J
AU MacPhee, AG
Divol, L
Kemp, AJ
Akli, KU
Beg, FN
Chen, CD
Chen, H
Hey, DS
Fedosejevs, RJ
Freeman, RR
Henesian, M
Key, MH
Le Pape, S
Link, A
Ma, T
Mackinnon, AJ
Ovchinnikov, VM
Patel, PK
Phillips, TW
Stephens, RB
Tabak, M
Town, R
Tsui, YY
Van Woerkom, LD
Wei, MS
Wilks, SC
AF MacPhee, A. G.
Divol, L.
Kemp, A. J.
Akli, K. U.
Beg, F. N.
Chen, C. D.
Chen, H.
Hey, D. S.
Fedosejevs, R. J.
Freeman, R. R.
Henesian, M.
Key, M. H.
Le Pape, S.
Link, A.
Ma, T.
Mackinnon, A. J.
Ovchinnikov, V. M.
Patel, P. K.
Phillips, T. W.
Stephens, R. B.
Tabak, M.
Town, R.
Tsui, Y. Y.
Van Woerkom, L. D.
Wei, M. S.
Wilks, S. C.
TI Limitation on Prepulse Level for Cone-Guided Fast-Ignition Inertial
Confinement Fusion
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
ID ELECTRON-TRANSPORT; LASER; AMPLIFICATION; PLASMA; SYSTEM
AB The viability of fast-ignition (FI) inertial confinement fusion hinges on the efficient transfer of laser energy to the compressed fuel via multi-MeV electrons. Preformed plasma due to the laser prepulse strongly influences ultraintense laser plasma interactions and hot electron generation in the hollow cone of an FI target. We induced a prepulse and consequent preplasma in copper cone targets and measured the energy deposition zone of the main pulse by imaging the emitted K(alpha) radiation. Simulation of the radiation hydrodynamics of the preplasma and particle in cell modeling of the main pulse interaction agree well with the measured deposition zones and provide an insight into the energy deposition mechanism and electron distribution. It was demonstrated that a under these conditions a 100 mJ prepulse eliminates the forward going component of similar to 2-4 MeV electrons.
C1 [MacPhee, A. G.; Divol, L.; Kemp, A. J.; Chen, C. D.; Chen, H.; Hey, D. S.; Henesian, M.; Key, M. H.; Le Pape, S.; Ma, T.; Mackinnon, A. J.; Patel, P. K.; Phillips, T. W.; Tabak, M.; Town, R.; Wilks, S. C.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Akli, K. U.; Stephens, R. B.] Gen Atom Co, San Diego, CA USA.
[Beg, F. N.; Ma, T.; Wei, M. S.] Univ Calif San Diego, Dept Mech & Aerosp Engn, La Jolla, CA 92093 USA.
[Fedosejevs, R. J.; Link, A.; Tsui, Y. Y.] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB T6G 2M7, Canada.
[Freeman, R. R.; Ovchinnikov, V. M.; Van Woerkom, L. D.] Ohio State Univ, Coll Math & Phys Sci, Columbus, OH 43210 USA.
RP MacPhee, AG (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM macphee2@llnl.gov
RI Patel, Pravesh/E-1400-2011; Ma, Tammy/F-3133-2013; MacKinnon,
Andrew/P-7239-2014;
OI Ma, Tammy/0000-0002-6657-9604; MacKinnon, Andrew/0000-0002-4380-2906;
Stephens, Richard/0000-0002-7034-6141
NR 24
TC 66
Z9 67
U1 2
U2 14
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 5
PY 2010
VL 104
IS 5
AR 055002
DI 10.1103/PhysRevLett.104.055002
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 553AM
UT WOS:000274336800023
PM 20366771
ER
PT J
AU Nandi, S
Kim, MG
Kreyssig, A
Fernandes, RM
Pratt, DK
Thaler, A
Ni, N
Bud'ko, SL
Canfield, PC
Schmalian, J
McQueeney, RJ
Goldman, AI
AF Nandi, S.
Kim, M. G.
Kreyssig, A.
Fernandes, R. M.
Pratt, D. K.
Thaler, A.
Ni, N.
Bud'ko, S. L.
Canfield, P. C.
Schmalian, J.
McQueeney, R. J.
Goldman, A. I.
TI Anomalous Suppression of the Orthorhombic Lattice Distortion in
Superconducting Ba(Fe1-xCox)(2)As-2 Single Crystals
SO PHYSICAL REVIEW LETTERS
LA English
DT Article
AB High-resolution x-ray diffraction measurements reveal an unusually strong response of the lattice to superconductivity in Ba(Fe1-xCox)(2)As-2. The orthorhombic distortion of the lattice is suppressed and, for Co doping near x 0.063, the orthorhombic structure evolves smoothly back to a tetragonal structure. We propose that the coupling between orthorhombicity and superconductivity is indirect and arises due to the magnetoelastic coupling, in the form of emergent nematic order, and the strong competition between magnetism and superconductivity.
C1 [Nandi, S.] US DOE, Ames Lab, Ames, IA 50011 USA.
Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
RP Nandi, S (reprint author), US DOE, Ames Lab, Ames, IA 50011 USA.
EM goldman@ameslab.gov
RI Schmalian, Joerg/H-2313-2011; Kim, Min Gyu/B-8637-2012; Fernandes,
Rafael/E-9273-2010; Canfield, Paul/H-2698-2014; Thaler,
Alexander/J-5741-2014; McQueeney, Robert/A-2864-2016
OI Kim, Min Gyu/0000-0001-7676-454X; Thaler, Alexander/0000-0001-5066-8904;
McQueeney, Robert/0000-0003-0718-5602
FU U.S. DOE [DE-AC02-07CH11358]
FX We thank A. Kracher for the WDS measurements. The work at the Ames
Laboratory was supported by the U.S. DOE, office of science, under
Contract No. DE-AC02-07CH11358.
NR 24
TC 244
Z9 244
U1 8
U2 54
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 5
PY 2010
VL 104
IS 5
AR 057006
DI 10.1103/PhysRevLett.104.057006
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 553AM
UT WOS:000274336800042
PM 20366790
ER
PT J
AU Phillips, NE
Gordon, JE
AF Phillips, N. E.
Gordon, J. E.
TI Comment on "Kinks in the Electronic Specific Heat''
SO PHYSICAL REVIEW LETTERS
LA English
DT Editorial Material
ID LIV2O4
C1 [Phillips, N. E.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Phillips, N. E.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Gordon, J. E.] Amherst Coll, Dept Phys, Amherst, MA 01002 USA.
RP Phillips, NE (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
NR 4
TC 1
Z9 1
U1 0
U2 3
PU AMER PHYSICAL SOC
PI COLLEGE PK
PA ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
SN 0031-9007
J9 PHYS REV LETT
JI Phys. Rev. Lett.
PD FEB 5
PY 2010
VL 104
IS 5
AR 059703
DI 10.1103/PhysRevLett.104.059703
PG 1
WC Physics, Multidisciplinary
SC Physics
GA 553AM
UT WOS:000274336800055
PM 20366803
ER
PT J
AU Zhou, HJ
Chen, JY
Sutter, E
Feygenson, M
Aronson, MC
Wong, SS
AF Zhou, Hongjun
Chen, Jingyi
Sutter, Eli
Feygenson, Mikhail
Aronson, M. C.
Wong, Stanislaus S.
TI Water-Dispersible, Multifunctional, Magnetic, Luminescent
Silica-Encapsulated Composite Nanotubes
SO SMALL
LA English
DT Article
DE cadmium selenide; composite nanotubes; encapsulation; photoluminescence;
silica
ID TRANSFER RADICAL POLYMERIZATION; SELF-ASSEMBLED MONOLAYERS; QUANTUM
DOTS; FE3O4/CDS NANOCOMPOSITES; CDSE NANOCRYSTALS; COLLOIDAL CDSE;
DRUG-DELIVERY; NANOPARTICLES; SHELL; CORE
AB A multifunctional one-dimensional nanostructure incorporating both CdSe quantum dots (QDs) and Fe(3)O(4) nanoparticles (NPs) within a SiO(2)-nanotube matrix is successfully synthesized based on the self-assembly of preformed functional NPs, allowing for control over the size and amount of NPs contained within the composite nanostructures. This specific nanostructure is distinctive because both the favorable photoluminescent and magnetic properties of QD and NP building blocks are incorporated and retained within the final silica-based composite, thus rendering it susceptible to both magnetic guidance and optical tracking. Moreover, the resulting hydrophilic nanocomposites are found to easily enter into the interiors of HeLa cells without damage, thereby highlighting their capability not only as fluorescent probes but also as possible drug-delivery vehicles of interest in nanobiotechnology.
C1 [Zhou, Hongjun; Wong, Stanislaus S.] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
[Chen, Jingyi; Feygenson, Mikhail; Aronson, M. C.; Wong, Stanislaus S.] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA.
[Sutter, Eli] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
[Aronson, M. C.] SUNY Stony Brook, Dept Phys, Stony Brook, NY 11794 USA.
RP Wong, SS (reprint author), SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
EM sswong@notes.cc.sunysb.edu
RI Zhou, Hongjun/A-1304-2011; Feygenson, Mikhail /H-9972-2014; Chen,
Jingyi/E-7168-2010
OI Feygenson, Mikhail /0000-0002-0316-3265; Chen,
Jingyi/0000-0003-0012-9640
FU U.S. Department of Energy, Office of Basic Energy Sciences
[DE-AC02-98CH10886]; U.S. Deportment of Energy [DE-AC02-98CH10886];
National Science Foundation [DMR-0348239]; Alfred P. Sloan Foundation
FX Research carried out (in whole or in port) at the Center for Functional
Nanomaterials at Brookhaven National Laboratory was supported by the
U.S. Department of Energy, Office of Basic Energy Sciences under
Contract No. DE-AC02-98CH10886. M.C.A. and S.S.W. specifically
acknowledge the U.S. Deportment of Energy (DE-AC02-98CH10886) for
facility and personnel support for work completed in the Condensed
Matter Physics and Materials Science Department. S.S.W. also
acknowledges the National Science Foundation (CAREER Award DMR-0348239)
and the Alfred P. Sloan Foundation for PI support and experimental
supplies. The authors also thank Dr. James Quinn and Dr. Susan van Horn
at SUNY Stony Brook for their invaluable help with electron microscopy
measurements.
NR 53
TC 20
Z9 21
U1 6
U2 49
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PO BOX 10 11 61, D-69451 WEINHEIM, GERMANY
SN 1613-6810
J9 SMALL
JI Small
PD FEB 5
PY 2010
VL 6
IS 3
BP 412
EP 420
DI 10.1002/smll.200901276
PG 9
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied;
Physics, Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA 557XZ
UT WOS:000274705100014
PM 20025080
ER
PT J
AU Xiao, HY
Gao, F
Zu, XT
Weber, WJ
AF Xiao, H. Y.
Gao, Fei
Zu, X. T.
Weber, W. J.
TI Ab initio molecular dynamics simulation of structural transformation in
zinc blende GaN under high pressure
SO JOURNAL OF ALLOYS AND COMPOUNDS
LA English
DT Article
DE Gallium nitride; Ab initio molecular dynamics; High pressure; Phase
transition
ID INDUCED PHASE-TRANSITION; DENSITY-FUNCTIONAL CALCULATIONS; ROCK-SALT
PHASE; III-V NITRIDES; GALLIUM NITRIDE; THERMODYNAMIC PROPERTIES;
STABILITY; WURTZITE; SILICON; INN
AB High-pressure induced zinc blende to rocksalt phase transition in GaN has been investigated by ab initio molecular dynamics method to characterize the transformation mechanism at the atomic level. It was shown that at 100 GPa GaN passes through tetragonal and monoclinic states before rocksalt structure is formed. The transformation mechanism is consistent with that for other zinc blende semiconductors obtained from the same method. Detailed structural analysis showed that there is no bond breaking involved in the phase transition. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Xiao, H. Y.; Zu, X. T.] Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China.
[Gao, Fei; Weber, W. J.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Xiao, HY (reprint author), Univ Elect Sci & Technol China, Dept Appl Phys, Chengdu 610054, Peoples R China.
EM hyxiao@uestc.edu.cn
RI Weber, William/A-4177-2008; Xiao, Haiyan/A-1450-2012; Gao,
Fei/H-3045-2012
OI Weber, William/0000-0002-9017-7365;
FU US Department of Energy [DE-AC05-76RL01830]
FX F. Gao and W.J. Weber were supported by the Division of Materials
Sciences and Engineering, Office of Basic Energy Sciences, US Department
of Energy under Contract DE-AC05-76RL01830.
NR 38
TC 6
Z9 6
U1 3
U2 26
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0925-8388
J9 J ALLOY COMPD
JI J. Alloy. Compd.
PD FEB 4
PY 2010
VL 490
IS 1-2
BP 537
EP 540
DI 10.1016/j.jallcom.2009.10.076
PG 4
WC Chemistry, Physical; Materials Science, Multidisciplinary; Metallurgy &
Metallurgical Engineering
SC Chemistry; Materials Science; Metallurgy & Metallurgical Engineering
GA 559PV
UT WOS:000274839100105
ER
PT J
AU Trevitt, AJ
Goulay, F
Taatjes, CA
Osborn, DL
Leone, SR
AF Trevitt, Adam J.
Goulay, Fabien
Taatjes, Craig A.
Osborn, David L.
Leone, Stephen R.
TI Reactions of the CN Radical with Benzene and Toluene: Product Detection
and Low-Temperature Kinetics
SO JOURNAL OF PHYSICAL CHEMISTRY A
LA English
DT Article
ID TRANSITION-STATE MODEL; VERY-LOW TEMPERATURES; TITANS ATMOSPHERE;
PHOTOELECTRON-SPECTRA; COUPLING PHOTOCHEMISTRY; MOLECULE REACTIONS; RATE
COEFFICIENTS; RATE CONSTANTS; HAZE FORMATION; OH
AB Low-temperature rate coefficients are measured for the CN + benzene and CN + toluene reactions using the pulsed Laval nozzle expansion technique Coupled with laser-induced fluorescence detection. The CN + benzene reaction rate coefficient at 105, 165, and 295 K is found to be relatively constant over this temperature range, (3.9-4.9) x 10(-10) cm(3) molecule(-1) s(-1). These rapid kinetics, along with the observed negligible temperature dependence, are consistent with a barrierless reaction entrance channel and reaction efficiencies approaching unity. The CN + toluene reaction is measured to have a rate coefficient of 1.3 x 10(-10) cm(3) molecule(-1) s(-1) at 105 K. At room temperature. nonexponential decay profiles are observed for this reaction that may Suggest significant back-dissociation of intermediate complexes. In separate experiments, the products of these reactions are probed at room temperature Using synchrotron VUV photoionization mass spectrometry. For CN + benzene, cyanobenzene (C6H5CN) is the only product recorded with no detectable evidence for a C6H5 + HCN product channel. In the case of CN + toluene, cyanotoulene (NCC6H4CH3) constitutes the only detected product. It is not possible to differentiate among the ortho, meta, and para isomers of cyanotoluene because of their similar ionization energies and the similar to 40 meV photon energy resolution of the experiment. There is no significant detection of benzyl radicals (C6H5CH2) that would suggest a H-abstraction or a HCN elimination channel is prominent at these conditions. As both reactions are measured to be rapid at 105 K, appearing to have barrierless entrance channels, it follows that they will proceed efficiently at the temperatures of Saturn's moon Titan (similar to 100 K) and are also likely to proceed at the temperature of interstellar Clouds (10-20 K).
C1 [Trevitt, Adam J.; Leone, Stephen R.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Trevitt, Adam J.; Leone, Stephen R.] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Trevitt, Adam J.; Leone, Stephen R.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Goulay, Fabien; Taatjes, Craig A.; Osborn, David L.] Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA.
RP Trevitt, AJ (reprint author), Univ Wollongong, Sch Chem, Wollongong, NSW 2522, Australia.
EM adamt@uow.edu.au; srl@berkeley.edu
RI Trevitt, Adam/A-2915-2009
OI Trevitt, Adam/0000-0003-2525-3162
FU National Aeronautics and Space Administration [NAGS-13339]; Division of
Chemical Sciences, Geosciences, and Biosciences, the Office of Basic
Energy Sciences, the U.S. Department of Energy at Lawrence Berkeley
National Laboratory [DE-AC02-05CH11231]; National Nuclear Security
Administration [DE-AC04-94-ALS5000]
FX The support of personnel (A.J.T., F.G.) for this research by the
National Aeronautics and Space Administration (grant NAGS-13339) is
gratefully acknowledged. Sandia authors and some of the instrumentation
for this work are supported by the Division of Chemical Sciences,
Geosciences, and Biosciences, the Office of Basic Energy Sciences, the
U.S. Department of Energy. Sandia is a multiprogram laboratory operated
by Sandia Corp., a Lockheed Martin Co., for the National Nuclear
Security Administration Under contract DE-AC04-94-ALS5000. The Advanced
Light Source and Chemical Sciences Division (S.R.L.) are supported by
the Director, Office of Science, Office of Basic Energy Sciences of the
U.S. Department of Energy under Contract No. DE-AC02-05CH11231 at
Lawrence Berkeley National Laboratory.
NR 47
TC 15
Z9 15
U1 3
U2 32
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1089-5639
J9 J PHYS CHEM A
JI J. Phys. Chem. A
PD FEB 4
PY 2010
VL 114
IS 4
BP 1749
EP 1755
DI 10.1021/jp909633a
PG 7
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 548GM
UT WOS:000273948100019
PM 20043665
ER
PT J
AU Wang, XB
Chi, CX
Zhou, MF
Kuvychko, IV
Seppelt, K
Popov, AA
Strauss, SH
Boltalina, OV
Wang, LS
AF Wang, Xue-Bin
Chi, Chaoxian
Zhou, Mingfei
Kuvychko, Igor V.
Seppelt, Konrad
Popov, Alexey A.
Strauss, Steven H.
Boltalina, Olga V.
Wang, Lai-Sheng
TI Photoelectron Spectroscopy of C60Fn- and C60Fm2- (n=17, 33, 35, 43, 45,
47; m=34, 46) in the Gas Phase and the Generation and Characterization
of C-1-C60F47- and D-2-C60F44 in Solution
SO JOURNAL OF PHYSICAL CHEMISTRY A
LA English
DT Article
ID HIGHLY FLUORINATED FULLERENES; MULTIPLY-CHARGED ANIONS;
ELECTRON-AFFINITIES; MASS-SPECTROMETRY; ELECTROCHEMICAL PROPERTIES;
FLUOROFULLERENE DIANIONS; NEGATIVE-IONS; DERIVATIVES; IONIZATION;
SUPERHALOGENS
AB A photoelectron spectroscopy investigation of the fluorofullerene anions C60Fn- (n = 17, 31, 35, 43, 45, 47) and the doubly charged anions C60F342- and C60F462- is reported. The first electron affinities for the corresponding neutral molecules, C60Fn, were directly measured and were found to increase as n increased, reaching the extremely high value of 5.66 +/- 0.10 eV for C60F47. Density functional calculations suggest that the experimentally observed species C60F17-, C60F35-, and C60F47- were each formed by reductive defluorination of the parent fluorofullerene, C-3n-C60F18, C60F36 (a mixture of isomers), and D-3-C60F48, respectively, without rearrangement of the remaining fluorine atoms. The DFT-predicted stability of C60F47- was verified by its generation by chemical reduction from D-3-C60F48 in chloroform solution at 25 degrees C and its characterization by mass spectrometry and F-19 NMR spectroscopy. Further reductive defluorination of C60F47- in solution resulted in the selective generation of a new fluorofullerene, D-2-C60F44, which was also characterized by mass spectrometry and F-19 NMR spectroscopy.
C1 [Popov, Alexey A.] Leibniz Inst Solid State & Mat Res, D-01069 Dresden, Germany.
[Popov, Alexey A.] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119992, Russia.
[Wang, Lai-Sheng] Brown Univ, Providence, RI 02912 USA.
[Wang, Xue-Bin] Washington State Univ, Dept Phys, Richland, WA 99354 USA.
[Wang, Xue-Bin] Pacific NW Natl Lab, Div Chem & Mat Sci, Richland, WA 99352 USA.
[Chi, Chaoxian; Zhou, Mingfei] Fudan Univ, Adv Mat Lab, Dept Chem, Shanghai Key Lab Mol Catalysts & Innovat Mat, Shanghai 200433, Peoples R China.
[Kuvychko, Igor V.; Strauss, Steven H.; Boltalina, Olga V.] Colorado State Univ, Dept Chem, Ft Collins, CO 80523 USA.
[Seppelt, Konrad] Free Univ Berlin, D-14195 Berlin, Germany.
RP Popov, AA (reprint author), Leibniz Inst Solid State & Mat Res, D-01069 Dresden, Germany.
EM a.popov@ifw-dresden.de; steven.strauss@colostate.edu;
olga.boltalina@colostate.edu; lai-sheng_wang@brown.edu
RI Popov, Alexey/A-9937-2011
OI Popov, Alexey/0000-0002-7596-0378
FU U.S. Department of Energy (DOE), Office of Basic Energy Sciences,
Division of Chemical Sciences, Geosciences and Biosciences; U.S.
National Science Foundation [CHE-0749496]; DOE's Office of Biological
and Environmental Research; National Natural Science Foundation of China
[20528303]; National Basic Research Program of China [2007CB815203];
Alexander von Humboldt Foundation
FX The PES work was supported by the U.S. Department of Energy (DOE),
Office of Basic Energy Sciences, Division of Chemical Sciences,
Geosciences and Biosciences, and in part by the U.S. National Science
Foundation (CHE-0749496), and was performed at the EMSL, a national
scientific user facility sponsored by DOE's Office of Biological and
Environmental Research and located at Pacific Northwest National
Laboratory, which is operated for DOE by Battelle. M.F.Z. thanks the
National Natural Science Foundation of China (Grant No. 20528303) and
National Basic Research Program of China (2007CB815203) for partial
support of the work. A.A.P. thanks Lothar Dunsch for his encouragement
and support, the Alexander von Humboldt Foundation for financial
support, the Research Computing Center of the Moscow State University
for computer time at the supercomputer Chebyshev SKIF-MGU, and Ulrike
Nitzsche for assistance with computational resources in IFW Dresden.
I.V.K., O.V.B., and S.H.S. acknowledge the support of the U.S. National
Science Foundation (CHE-0707223). O.V.B. thanks the Alexander von
Humboldt Foundation for a Freidrich Bessel Award (2003) and an AvH
Research Award (2009).
NR 65
TC 7
Z9 8
U1 0
U2 21
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1089-5639
J9 J PHYS CHEM A
JI J. Phys. Chem. A
PD FEB 4
PY 2010
VL 114
IS 4
BP 1756
EP 1765
DI 10.1021/jp9097364
PG 10
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 548GM
UT WOS:000273948100020
PM 20058887
ER
PT J
AU Chen, HY
Wang, LP
Bai, JM
Hanson, JC
Warren, JB
Muckerman, JT
Fujita, E
Rodriguez, JA
AF Chen, Haiyan
Wang, Liping
Bai, Jianming
Hanson, Jonathan C.
Warren, John B.
Muckerman, James T.
Fujita, Etsuko
Rodriguez, Jose A.
TI In Situ XRD Studies of ZnO/GaN Mixtures at High Pressure and High
Temperature: Synthesis of Zn-Rich (Ga1-xZnx)(N1-xOx) Photocatalysts
SO JOURNAL OF PHYSICAL CHEMISTRY C
LA English
DT Article
ID SOLID-SOLUTION PHOTOCATALYST; GROUP-III NITRIDES; VISIBLE-LIGHT; WATER;
PHASE; GPA; ZNGA2O4
AB The high-pressure, high-temperature conditions for the synthesis of Zn-rich (Ga1-xZnx)(N1-xOx) solid solutions from mixtures of ZnO/GaN were explored using synchrotron-based in situ time-resolved X-ray diffraction (XRD). Following a new synthetic path, (Ga1-xZnx)(N1-xOx) solid solutions with a Zn content up to similar to 75% were prepared for the first time. The structures of the (Ga1-xZnx)(N1-xOx) solid solutions were characterized by XRD and X-ray absorption fine structure (XAFS) analyses and were in excellent agreement with the predictions of density functional calculations. These materials adopt a wurtzite crystal structure with metal-N or metal-O bond distances in the range of 1.95-1.98 angstrom. Although the (Ga1-xZnx)(N1-xOx) solid solutions seem to be stable over the full range of compositions, no ideal solid solution formation was observed. In all cases, the lattice parameters were larger than those of ideal solid solutions. The variation of the lattice parameter c showed an upward double bowing curve, as was predicted by theoretical calculations. Also, no ideal behavior was observed in the electronic properties of the (Ga1-xZnx)(N1-xOx) solid solutions. X-ray absorption spectra at the Zn and Ga K-edges of the (Ga1-xZnx)(N1-xOx) systems showed significant electronic perturbations with respect to ZnO and GaN. The synthesized (Ga1-xZnx)(N1-xOx) solid solution with a Zn content of 50% displayed the ability to absorb visible light well above 500 nm. This material has a great potential for splitting water under visible light irradiation. The availability of (Ga1-xZnx)(N1-xOx) solid solutions with a high Zn content opens the door to fully explore the application of these materials in photocatalysis.
C1 [Chen, Haiyan; Hanson, Jonathan C.; Muckerman, James T.; Fujita, Etsuko; Rodriguez, Jose A.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
[Wang, Liping] SUNY Stony Brook, Dept Geosci, Stony Brook, NY 11794 USA.
[Wang, Liping] SUNY Stony Brook, Inst Mineral Phys, Stony Brook, NY 11794 USA.
[Bai, Jianming] Univ Tennessee, Knoxville, TN 37996 USA.
[Warren, John B.] Brookhaven Natl Lab, Instrumentat Div, Upton, NY 11973 USA.
[Muckerman, James T.] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
RP Rodriguez, JA (reprint author), Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
EM rodrigez@bnl.gov
RI Chen, Haiyan/C-8109-2012; Dom, Rekha/B-7113-2012; Muckerman,
James/D-8752-2013; Fujita, Etsuko/D-8814-2013; Bai,
Jianming/O-5005-2015; Hanson, jonathan/E-3517-2010
FU U.S. Department of Energy [DE-AC02-98CH10886]; COMPRES, the Consortium
for Materials Properties Research in Earth Sciences under NSF [EAR
06-49658]
FX This work was carried out at BNL under Contract DE-AC02-98CH10886 with
the U.S. Department of Energy and supported by its Division of Chemical
Sciences, Geosciences, & Biosciences, Office of Basic Energy Sciences.
We also gratefully acknowledge the U.S. DOE for funding under the BES
Hydrogen Fuel Initiative. Use of the National Synchrotron Light Source
and the Center for Functional Nanomaterials was supported by the U.S.
DOE, Office of Basic Energy Sciences. The synthesis experiment was
carried out at beamline X-17B2, which is supported by COMPRES, the
Consortium for Materials Properties Research in Earth Sciences under NSF
Cooperative Agreement EAR 06-49658. The authors would like to thank Drs.
O. Gang, D. Nykypanckuk, and L. Barrio for their help with the diffuse
reflectance measurements.
NR 21
TC 35
Z9 35
U1 8
U2 72
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1932-7447
J9 J PHYS CHEM C
JI J. Phys. Chem. C
PD FEB 4
PY 2010
VL 114
IS 4
BP 1809
EP 1814
DI 10.1021/jp909649n
PG 6
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 548GH
UT WOS:000273947600011
ER
PT J
AU Mei, DH
AF Mei, Donghai
TI Density Functional Theory Study of Surface Carbonate Formation on
BaO(001)
SO JOURNAL OF PHYSICAL CHEMISTRY C
LA English
DT Article
ID NOX STORAGE/REDUCTION CATALYST; MODEL NSR CATALYSTS; PT-BA/GAMMA-AL2O3
CATALYST; STORAGE MATERIALS; REDUCING AGENT; BAO OVERLAYERS; CO2;
ADSORPTION; H2O; REDUCTION
AB Periodic density functional theory calculations were used to study the formation and stability of surface carbonate on BaO(001) at CO2 exposure. CO2 adsorbs at Lewis basic O-s sites, fort-ning anionic surface carbonate (CO3-delta) species. Upon adsorption, a portion of electrons is transferred from the surface to CO2. Although the adsorption strength of CO2 decreases with the increasing coverage (theta(CO2)), the surface carbonate overlayer in the perpendicular pattern is stable up to one monolayer (1 ML). Dramatic surface reconstruction is found for the surface carbonate overlayer in the parallel pattern at theta(CO2) > 0.75 ML. The BaO(001) Surface is reconstructed such that the surface Ba atoms are actually pulled out of the surface plane into the carbonate overlayer, suggesting a possible onset of phase transition from surface carbonate to crystalline bulklike carbonate when the coverage is higher than 0.75 ML. At ambient CO2 pressure, the calculated surface free energies indicate that the surface carbonate monolayer becomes unstable at 600 K, while the isolated surface carbonate is still stable at 800 K. This is in good agreement with previous experimental observations. The effect of surface hydroxyl on the stability of surface carbonate was also investigated in this work. At low hydroxyl coverage, the neighboring hydroxyls stabilize the surface carbonate. On the fully hydroxylated BaO(001) surface, chelating bicarbonate, instead of surface carbonate, is formed upon CO2 adsorption.
C1 Pacific NW Natl Lab, Inst Interfacial Catalysis, Richland, WA 99352 USA.
RP Mei, DH (reprint author), Pacific NW Natl Lab, Inst Interfacial Catalysis, Richland, WA 99352 USA.
EM donghai.mei@pnl.gov
RI Mei, Donghai/D-3251-2011; Mei, Donghai/A-2115-2012
OI Mei, Donghai/0000-0002-0286-4182
FU PNNL Laboratory Directed Research and Development (LDRD) project;
National Energy Research Scientific Computing Center (NERSC) [m752,
st30469]; DOE
FX This work that was performed in the Institute for Interfacial Catalysis
at Pacific Northwest National Laboratory (PNNL) was financially
supported by a PNNL Laboratory Directed Research and Development (LDRD)
project. Computing time was granted by the National Energy Research
Scientific Computing Center (NERSC) under Project No. m752 and by the
scientific user project (st30469) using the Molecular Science Computing
Facility in the William R. Wiley Environmental Molecular Sciences
Laboratory (EMSL). The EMSL is a U.S. DOE national scientific user
facility located at PNNL and supported by the DOE's Office of Biological
and Environmental Research.
NR 44
TC 6
Z9 6
U1 0
U2 9
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1932-7447
J9 J PHYS CHEM C
JI J. Phys. Chem. C
PD FEB 4
PY 2010
VL 114
IS 4
BP 1867
EP 1874
DI 10.1021/jp907765e
PG 8
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 548GH
UT WOS:000273947600018
ER
PT J
AU Dawes, R
Jasper, AW
Tao, C
Richmond, C
Mukarakate, C
Kable, SH
Reid, SA
AF Dawes, Richard
Jasper, Ahren W.
Tao, Chong
Richmond, Craig
Mukarakate, Calvin
Kable, Scott H.
Reid, Scott A.
TI Theoretical and Experimental Spectroscopy of the S-2 State of CHF and
CDF: Dynamically Weighted Multireference Configuration Interaction
Calculations for High-Lying Electronic States
SO JOURNAL OF PHYSICAL CHEMISTRY LETTERS
LA English
DT Article
ID DISCRETE-VARIABLE REPRESENTATIONS; RENNER-TELLER; SPECTRUM; SYSTEM; HCF
AB Dynamically adjusting the weights in state-averaged multiconfigurational self-consistent field (SA-MCSCF) calculations using an energy dependent functional allows the electronic wave function to smoothly evolve across the potential energy surface (PES) and correctly preserves differing asymptotic electronic-state degeneracy patterns. We have developed a generalized dynamic weighting (GDW) method to treat high-lying electronic states. To test the method, a global PES was constructed for the S-2((B) over tilde) state of CHG(CDF) which lies nearly 31000 cm(-1) above the minimum of the ground state. The GDW method was used to produced SA-MCSCF references states for subsequent multireference configuration interaction (MRCI) calculations, whose Davidson-corrected energies were extrapolated to the complete basis set limit. Quantum mechanical vibrational energy calculations for CDF were performed using the fitted PES, and the predicted energy levels are in excellent agreement with an extensive set of experimentally determined (optical-optical double resonance) levels, with a mean unsigned error of only 12 cm(-1).
C1 [Dawes, Richard; Jasper, Ahren W.] Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA.
[Tao, Chong; Mukarakate, Calvin; Reid, Scott A.] Marquette Univ, Dept Chem, Milwaukee, WI 53201 USA.
[Richmond, Craig; Kable, Scott H.] Univ Sydney, Sch Chem, Sydney, NSW 2006, Australia.
RP Dawes, R (reprint author), Sandia Natl Labs, Combust Res Facil, POB 969, Livermore, CA 94551 USA.
EM rdawes@sandia.gov; scott.reid@mu.edu
RI Jasper, Ahren/A-5292-2011; Dawes, Richard/C-6344-2015; Reid,
Scott/J-6491-2016
OI Reid, Scott/0000-0001-9916-7414
FU Division of Chemical Sciences, Geosciences, and Biosciences, the Office
of Basic Energy Sciences, the U.S. Department of Energy; Australian
Academy of Science; National Science Foundation [CHE-0717960,
CHE-0353596]; Australian Research Council [DP0665831]
FX R.D. and A.W.J. are supported by the Division of Chemical Sciences,
Geosciences, and Biosciences, the Office of Basic Energy Sciences, the
U.S. Department of Energy; Sandia is a multiprogram laboratory operated
by Sandia Corporation, a Lockheed Martin Company, for the National
Nuclear Security Administration under Contract DE-AC04-94-AL85000.
S.A.R. and S.H.K. acknowledge an Australian Academy of Science travel
fellowship which allowed S.H.N. and S.A.R. to collaborate on the initial
stages of this project. S.A.R. acknowledges the National Science
Foundation (Grants CHE-0717960 and CHE-0353596) for support of this
research. S.H.K. acknowledges the Australian Research Council for
project funding (DP0665831).
NR 32
TC 37
Z9 37
U1 2
U2 5
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1948-7185
J9 J PHYS CHEM LETT
JI J. Phys. Chem. Lett.
PD FEB 4
PY 2010
VL 1
IS 3
BP 641
EP 646
DI 10.1021/jz900380a
PG 6
WC Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science,
Multidisciplinary; Physics, Atomic, Molecular & Chemical
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA 588BF
UT WOS:000277040400010
ER
PT J
AU Solomatin, SV
Greenfeld, M
Chu, S
Herschlag, D
AF Solomatin, Sergey V.
Greenfeld, Max
Chu, Steven
Herschlag, Daniel
TI Multiple native states reveal persistent ruggedness of an RNA folding
landscape
SO NATURE
LA English
DT Article
ID TETRAHYMENA RIBOZYME; ENERGY LANDSCAPE; SINGLE-MOLECULE; SUBSTRATE;
BINDING; PATHWAYS; DYNAMICS; INTERMEDIATE; CATALYSIS
AB According to the 'thermodynamic hypothesis', the sequence of a biological macromolecule defines its folded, active (or 'native') structure as a global energy minimum in the folding landscape(1,2). However, the enormous complexity of folding landscapes of large macromolecules raises the question of whether there is in fact a unique global minimum corresponding to a unique native conformation or whether there are deep local minima corresponding to alternative active conformations(3). The folding of many proteins is well described by two-state models, leading to highly simplified representations of protein folding landscapes with a single native conformation(4,5). Nevertheless, accumulating experimental evidence suggests a more complex topology of folding landscapes with multiple active conformations that can take seconds or longer to interconvert(6-8). Here we demonstrate, using single-molecule experiments, that an RNA enzyme folds into multiple distinct native states that interconvert on a timescale much longer than that of catalysis. These data demonstrate that severe ruggedness of RNA folding landscapes extends into conformational space occupied by native conformations.
C1 [Solomatin, Sergey V.; Herschlag, Daniel] Stanford Univ, Dept Biochem, Stanford, CA 94305 USA.
[Greenfeld, Max] Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA.
[Chu, Steven] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Chu, Steven] Univ Calif Berkeley, Dept Phys & Mol & Cell Biol, Berkeley, CA 94720 USA.
RP Herschlag, D (reprint author), Stanford Univ, Dept Biochem, Stanford, CA 94305 USA.
EM herschla@stanford.edu
FU US National Institutes of Health (NIH) [P01-GM-66275, GM49243]; Stanford
Bio-X Program
FX We thank T. H. Lee, B. Cui, H. Kim, W. Zhao and other current and former
members of the Chu laboratory, and the Mabuchi laboratory, for technical
assistance. We thank members of the Herschlag laboratory for discussions
and comments on the manuscript. Financial support for this work was
provided by US National Institutes of Health (NIH) programme project
grant P01-GM-66275 and NIH grant GM49243, to D. H. We thank the Stanford
Bio-X Program for fellowship support to S. V. S.
NR 30
TC 106
Z9 109
U1 2
U2 29
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 0028-0836
J9 NATURE
JI Nature
PD FEB 4
PY 2010
VL 463
IS 7281
BP 681
EP U117
DI 10.1038/nature08717
PG 6
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 551GB
UT WOS:000274193900040
PM 20130651
ER
PT J
AU Goretta, KC
Pena, JI
Orera, VM
Chen, N
Routbort, SJL
AF Goretta, K. C.
Pena, J. I.
Orera, V. M.
Chen, Nan
Routbort, Singh J. L.
TI Solid-particle erosion of directionally solidified Al2O3-ZrO2(Y2O3)
eutectics
SO WEAR
LA English
DT Article
DE Eutectic ceramic; Directional solidification; Erosion; Mechanical
properties
ID PLASTIC INDENTATION DAMAGE; MECHANICAL-PROPERTIES; STRENGTH DEGRADATION;
FRACTURE-TOUGHNESS; BRITTLE MATERIALS; RESIDUAL-STRESSES; MATRIX
COMPOSITES; CERAMIC EUTECTICS; TENSILE-STRENGTH; ALUMINA CERAMICS
AB Resistance to solid-particle erosion was studied by measuring individual damage sites in directionally solidified Al2O3-ZrO2 (Y2O3) eutectics that contained three concentrations of Y2O3 (0.5, 3, and 9% in the ZrO2 phase). For comparison, polycrystalline Al2O3, sapphire, and polycrystalline and single-crystal tetragonally stabilized ZrO2 were also studied. All specimens were impacted at normal incidence by angular 63 and 143 mu m SiC particles traveling at 100 m/s. The eutectics containing 3% and 9 mol.% Y2O3 generally exhibited the smallest damage zones and the ZrO2 specimens exhibited by far the largest damage zones. Examination of damage features and comparison with basic mechanical properties and models for erosion of brittle materials led to conclusions that the eutectics were resistant to erosion because of the presence of large compressive residual stresses in their Al2O3 phases and that the ZrO2 materials were susceptible to erosive damage because transformation toughening was ineffective in reducing propagation of lateral cracks that emanated from the damage sites. Published by Elsevier B.V.
C1 [Routbort, Singh J. L.] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA.
[Goretta, K. C.] Asian Off Aerosp Res & Dev, Tokyo 1060032, Japan.
[Pena, J. I.; Orera, V. M.] Univ Zaragoza, CSIC, Inst Ciencia Mat Aragon, E-50018 Zaragoza, Spain.
RP Routbort, SJL (reprint author), Argonne Natl Lab, Div Energy Syst, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM routbort@anl.gov
RI orera, Victor/A-4213-2011;
OI Orera, Victor/0000-0001-9690-9064
FU Air Force Office of Scientific Research; Spanish Ministry of Science and
Technology [MAT2006-13005-CO3-1]; U.S. Department of Energy
[DE-AC02-06CHI 1357]
FX Financial support was provided by the Air Force Office of Scientific
Research; the Spanish Ministry of Science and Technology, through
Projects MAT2006-13005-CO3-1; and the U.S. Department of Energy, under
Contract DE-AC02-06CHI 1357 at Argonne National Laboratory, managed by
the UChicago, LLC. The electron microscopy was performed in the Electron
Microscopy Collaborative Research Center at Argonne National Laboratory.
NR 85
TC 3
Z9 6
U1 2
U2 17
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0043-1648
EI 1873-2577
J9 WEAR
JI Wear
PD FEB 4
PY 2010
VL 268
IS 3-4
BP 571
EP 578
DI 10.1016/j.wear.2009.10.003
PG 8
WC Engineering, Mechanical; Materials Science, Multidisciplinary
SC Engineering; Materials Science
GA 550XM
UT WOS:000274167200027
ER
PT J
AU Vasco, DW
Rucci, A
Ferretti, A
Novali, F
Bissell, RC
Ringrose, PS
Mathieson, AS
Wright, IW
AF Vasco, D. W.
Rucci, A.
Ferretti, A.
Novali, F.
Bissell, R. C.
Ringrose, P. S.
Mathieson, A. S.
Wright, I. W.
TI Satellite-based measurements of surface deformation reveal fluid flow
associated with the geological storage of carbon dioxide
SO GEOPHYSICAL RESEARCH LETTERS
LA English
DT Article
ID RADAR INTERFEROMETRY; EARTHS SURFACE
AB Interferometric Synthetic Aperture Radar (InSAR) data, gathered over the In Salah CO(2) storage project in Algeria, provide an early indication that satellite-based geodetic methods can be effective in monitoring the geological storage of carbon dioxide. An injected mass of 3 million tons of carbon dioxide from one of the first large-scale carbon sequestration efforts, produces a measurable surface displacement of approximately 5 mm/year. Using geophysical inverse techniques, we are able to infer flow within the reservoir layer and within a seismically detected fracture/fault zone intersecting the reservoir. We find that, if we use the best available elastic Earth model, the fluid flow need only occur in the vicinity of the reservoir layer. However, flow associated with the injection of the carbon dioxide does appear to extend several kilometers laterally within the reservoir, following the fracture/fault zone. Citation: Vasco, D. W., A. Rucci, A. Ferretti, F. Novali, R. C. Bissell, P. S. Ringrose, A. S. Mathieson, and I. W. Wright (2010), Satellite-based measurements of surface deformation reveal fluid flow associated with the geological storage of carbon dioxide, Geophys. Res. Lett., 37, L03303, doi:10.1029/2009GL041544.
C1 [Vasco, D. W.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
[Ferretti, A.; Novali, F.] Tele Rilevamento Europa, I-20149 Milan, Italy.
[Rucci, A.] Politecn Milan, I-20133 Milan, Italy.
[Bissell, R. C.; Mathieson, A. S.; Wright, I. W.] BP Alternat Energy, Sunbury On Thames TW16 7LN, Middx, England.
[Ringrose, P. S.] Statoil Res Ctr, N-7005 Trondheim, Norway.
RP Vasco, DW (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Bldg 90,MS 1116,1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM dwvasco@lbl.gov
RI Vasco, Donald/I-3167-2016; Vasco, Donald/G-3696-2015
OI Vasco, Donald/0000-0003-1210-8628; Vasco, Donald/0000-0003-1210-8628
FU US Department of Energy [DE-AC02-05-CH11231]; Office of Basic Energy
Sciences,; Office of Coal and Power Systems, US Department of Energy
FX Work performed at Lawrence Berkeley National Laboratory and
Tele-Rilevamento Europa (TRE) was supported by the US Department of
Energy under contract DE-AC02-05-CH11231, Office of Basic Energy
Sciences, and the GEOSEQ project for the Assistant Secretary for Fossil
Energy, Office of Coal and Power Systems, through the National Energy
Technology Laboratory of the US Department of Energy. The In Salah
CO2 Joint Industry Project (BP, Statoil, and Sonatrach) is
thanked for the provision and interpretation of production, injection,
and subsurface data.
NR 16
TC 113
Z9 114
U1 0
U2 24
PU AMER GEOPHYSICAL UNION
PI WASHINGTON
PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 USA
SN 0094-8276
J9 GEOPHYS RES LETT
JI Geophys. Res. Lett.
PD FEB 3
PY 2010
VL 37
AR L03303
DI 10.1029/2009GL041544
PG 5
WC Geosciences, Multidisciplinary
SC Geology
GA 553GY
UT WOS:000274355700004
ER
PT J
AU Mugridge, JS
Bergman, RG
Raymond, KN
AF Mugridge, Jeffrey S.
Bergman, Robert G.
Raymond, Kenneth N.
TI High-Precision Measurement of Isotope Effects on Noncovalent Host-Guest
Interactions
SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Article
ID ANIONIC HOST; CLUSTER; ENCAPSULATION; RECOGNITION; BINDING; PROBE
AB The self-assembled supramolecular host [Ga(4)L(6)](12-) can bind cationic guest molecules to both the interior and exterior of the host assembly through noncovalent interactions. Very small equilibrium isotope effects (EIEs) have been precisely measured for the association of benzyltrimethylphosphonium isotopologues to the host exterior surface by adapting an NMR titration method originally developed by the Perrin group for measuring isotope effects on acidity constants. Deuteration of the phosphonium methyl groups was found to have a larger EIE than deuteration at the ring and benzyl positions, Suggesting subtle differences in the noncovalent interactions between the host exterior and different guest C-H/D bonds. The application of this method to the measurement of EIEs on noncovalent host-guest interactions demonstrates the generality of this NMR technique in precisely measuring relative equilibrium constants.
C1 [Bergman, Robert G.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
RP Bergman, RG (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
EM rbergman@berkeley.edu; raymond@socrates.berkeley.edu
FU Office of Science, Office of Basic Energy Sciences; Division of Chemical
Sciences, Geo-sciences, and Biosciences of the U.S. Department of Energy
[DE-AC02-05CH11231]; NSF Predoctotal Fellowship
FX We are grateful to Prof Charles Perrin for helpful discussions of his
pKa/IE determination method. This work was supported by the
Director, Office of Science, Office of Basic Energy Sciences, and the
Division of Chemical Sciences, Geo-sciences, and Biosciences of the U.S.
Department of Energy at LBNL under Contract DE-AC02-05CH11231 and an NSF
Predoctotal Fellowship to J.S.M.
NR 20
TC 25
Z9 25
U1 6
U2 34
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0002-7863
J9 J AM CHEM SOC
JI J. Am. Chem. Soc.
PD FEB 3
PY 2010
VL 132
IS 4
BP 1182
EP +
DI 10.1021/ja905170x
PG 3
WC Chemistry, Multidisciplinary
SC Chemistry
GA 562WA
UT WOS:000275084800001
PM 20050653
ER
PT J
AU Freedman, DE
Harman, WH
Harris, TD
Long, GJ
Chang, CJ
Long, JR
AF Freedman, Danna E.
Harman, W. Hill
Harris, T. David
Long, Gary J.
Chang, Christopher J.
Long, Jeffrey R.
TI Slow Magnetic Relaxation in a High-Spin Iron(II) Complex
SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
LA English
DT Article
ID SINGLE-MOLECULE MAGNETS; ORBITAL ANGULAR-MOMENTUM; JAHN-TELLER
DISTORTION; MOSSBAUER; BEHAVIOR; BARRIER; ABSENCE; LEVEL
AB Slow magnetic relaxation is observed for [(tpa(Mes))Fe](-), a trigonal pyramidal complex of high-spin iron(II), providing the first example of a mononuclear transition metal complex that behaves as a single-molecule magnet. Dc magnetic susceptibility and magnetization measurements reveal a strong uniaxial magnetic anisotropy (D = -39.6 cm(-1)) acting on the S = 2 ground state of the molecule. Ac magnetic susceptibility measurements indicate the absence of slow relaxation under zero applied dc Field as a result of quantum tunneling of the magnetization. Application of a 1500 Oe dc field initiates slow magnetic relaxation, which follows a thermally activated tunneling mechanism at high temperature to give an effective spin-reversal barrier of U-eff = 42 cm(-1) and follows a temperature-independent tunneling mechanism at low temperature. In addition, the magnetic relaxation time shows a pronounced dc-field dependence, with a maximum occurring at similar to 1500 Oe.
C1 [Freedman, Danna E.; Harman, W. Hill; Harris, T. David; Chang, Christopher J.; Long, Jeffrey R.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Chang, Christopher J.] Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA.
[Harman, W. Hill; Chang, Christopher J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Long, Gary J.] Univ Missouri, Dept Chem, Missouri Univ Sci & Technol, Rolla, MO 65409 USA.
RP Chang, CJ (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
EM chrischang@berkeley.edu; jrlong@berkeley.edu
RI Harris, David/M-9204-2014;
OI Harris, David/0000-0003-4144-900X; Freedman, Danna/0000-0002-2579-8835
FU NSF [CHE-0617063]; DOE/LBNL [403801]; Tyco Electronics; Arkema
FX This research was funded by NSF Grant CHE-0617063 to J.R.L. and DOE/LBNL
Grant 403801 to C.J.C. C.J.C. is a Howard Hughes Medical Institute
Investigator. We thank Tyco Electronics (D.E.F. and T.D.H.) and Arkema
(W.H.H.) for providing fellowship support.
NR 28
TC 236
Z9 237
U1 4
U2 94
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0002-7863
J9 J AM CHEM SOC
JI J. Am. Chem. Soc.
PD FEB 3
PY 2010
VL 132
IS 4
BP 1224
EP +
DI 10.1021/ja909560d
PG 4
WC Chemistry, Multidisciplinary
SC Chemistry
GA 562WA
UT WOS:000275084800022
PM 20055389
ER
PT J
AU Meevasana, W
Zhou, XJ
Moritz, B
Chen, CC
He, RH
Fujimori, SI
Lu, DH
Mo, SK
Moore, RG
Baumberger, F
Devereaux, TP
van der Marel, D
Nagaosa, N
Zaanen, J
Shen, ZX
AF Meevasana, W.
Zhou, X. J.
Moritz, B.
Chen, C-C
He, R. H.
Fujimori, S-I
Lu, D. H.
Mo, S-K
Moore, R. G.
Baumberger, F.
Devereaux, T. P.
van der Marel, D.
Nagaosa, N.
Zaanen, J.
Shen, Z-X
TI Strong energy-momentum dispersion of phonon-dressed carriers in the
lightly doped band insulator SrTiO3
SO NEW JOURNAL OF PHYSICS
LA English
DT Article
ID FERMI-SURFACE; SUPERCONDUCTIVITY; LA2-XSRXCUO4; TRANSITIONS; MANGANITES;
BIPOLARONS; OXIDES
AB Much progress has been made recently in the study of the effects of electron-phonon (el-ph) coupling in doped insulators using angle-resolved photoemission (ARPES), yielding evidence for the dominant role of el-ph interactions in underdoped cuprates. As these studies have been limited to doped Mott insulators, the important question arises as to how this compares with doped band insulators where similar el-ph couplings should be at work. The archetypical case is that of perovskite SrTiO3 (STO), well known for its giant dielectric constant of 10 000 at low temperatures, exceeding that of La2CuO4 by a factor of 500. Based on this fact, it has been suggested that doped STO should be the archetypical bipolaron superconductor. Here we report an ARPES study from high-quality surfaces of lightly doped STO. In comparison to lightly doped Mott insulators, we find the signatures of only moderate el-ph coupling; a dispersion anomaly associated with the low-frequency optical phonon with a lambda' similar to 0.3 and an overall bandwidth renormalization suggesting an overall lambda' similar to 0.7 coming from the higher frequency phonons. Furthermore, we find no clear signatures of the large pseudogap or small-polaron phenomena. These findings demonstrate that a large dielectric constant itself is not a good indicator of el-ph coupling and highlight the unusually strong effects of the el-ph coupling in doped Mott insulators.
C1 [Meevasana, W.; Chen, C-C; He, R. H.; Mo, S-K; Shen, Z-X] Stanford Univ, Dept Phys, Stanford, CA 94305 USA.
[Meevasana, W.; Chen, C-C; He, R. H.; Mo, S-K; Shen, Z-X] Stanford Univ, Dept Appl Phys, Stanford, CA 94305 USA.
[Meevasana, W.; Moritz, B.; Chen, C-C; He, R. H.; Lu, D. H.; Moore, R. G.; Devereaux, T. P.; Shen, Z-X] SLAC Natl Accelerator Lab, Stanford Inst Mat & Energy Sci, Menlo Pk, CA 94025 USA.
[Meevasana, W.; Baumberger, F.] Univ St Andrews, Sch Phys & Astron, St Andrews KY16 9SS, Fife, Scotland.
[Meevasana, W.] Synchrotron Light Res Inst, Nakhon Ratchasima 30000, Thailand.
[Zhou, X. J.] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
[Fujimori, S-I] Japan Atom Energy Agcy, Synchrotron Radiat Res Unit, Mikazuki, Hyogo 6795148, Japan.
[Mo, S-K] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
[van der Marel, D.] Univ Geneva, Dept Phys Mat Condensee, CH-1211 Geneva 4, Switzerland.
[Nagaosa, N.] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan.
[Nagaosa, N.] RIKEN, ASI, Cross Correlated Mat Res Grp CMRG, Wako, Saitama 3510198, Japan.
[Zaanen, J.] Leiden Univ, Inst Lorentz Theoret Phys, Leiden, Netherlands.
RP Meevasana, W (reprint author), Stanford Univ, Dept Phys, Stanford, CA 94305 USA.
EM wm14@st-andrews.ac.uk
RI He, Ruihua/A-6975-2010; Baumberger, Felix/A-5170-2008; Nagaosa,
Naoto/G-7057-2012; Mo, Sung-Kwan/F-3489-2013; Moritz, Brian/D-7505-2015;
van der Marel, Dirk/G-4618-2012
OI Baumberger, Felix/0000-0001-7104-7541; Mo,
Sung-Kwan/0000-0003-0711-8514; Moritz, Brian/0000-0002-3747-8484; van
der Marel, Dirk/0000-0001-5266-9847
FU Department of Energy [DE-AC02-76SF00515]; Thailand Research Fund;
National Science Council, Taiwan [NSC-095-SAF-I-564-013-TMS]
FX We gratefully thank II Mazin for providing the unpublished LDA
calculations, A Mishchenko for helpful discussion and H Takagi and J
Matsuno for crystal information. This work was supported by the
Department of Energy, Office of Basic Energy Sciences under contract
DE-AC02-76SF00515. WM acknowledges The Thailand Research Fund for
financial support. CCC was supported in part by National Science
Council, Taiwan, under grant no. NSC-095-SAF-I-564-013-TMS.
NR 31
TC 33
Z9 33
U1 7
U2 45
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 1367-2630
J9 NEW J PHYS
JI New J. Phys.
PD FEB 3
PY 2010
VL 12
AR 023004
DI 10.1088/1367-2630/12/2/023004
PG 11
WC Physics, Multidisciplinary
SC Physics
GA 551XS
UT WOS:000274247300004
ER
PT J
AU Nalbantoglu, U
Sayood, K
Dempsey, MP
Iwen, PC
Francesconi, SC
Barabote, RD
Xie, G
Brettin, TS
Hinrichs, SH
Fey, PD
AF Nalbantoglu, Ufuk
Sayood, Khalid
Dempsey, Michael P.
Iwen, Peter C.
Francesconi, Stephen C.
Barabote, Ravi D.
Xie, Gary
Brettin, Thomas S.
Hinrichs, Steven H.
Fey, Paul D.
TI Large Direct Repeats Flank Genomic Rearrangements between a New Clinical
Isolate of Francisella tularensis subsp tularensis A1 and Schu S4
SO PLOS ONE
LA English
DT Article
ID UNITED-STATES; POPULATION-STRUCTURE; MOLECULAR ANALYSIS; IDENTIFICATION;
TULAREMIA; SEQUENCE; STRAIN
AB Francisella tularensis subspecies tularensis consists of two separate populations A1 and A2. This report describes the complete genome sequence of NE061598, an F. tularensis subspecies tularensis A1 isolated in 1998 from a human with clinical disease in Nebraska, United States of America. The genome sequence was compared to Schu S4, an F. tularensis subspecies tularensis A1a strain originally isolated in Ohio in 1941. It was determined that there were 25 nucleotide polymorphisms (22 SNPs and 3 indels) between Schu S4 and NE061598; two of these polymorphisms were in potential virulence loci. Pulsed-field gel electrophoresis analysis demonstrated that NE061598 was an A1a genotype. Other differences included repeat sequences (n = 11 separate loci), four of which were contained in coding sequences, and an inversion and rearrangement probably mediated by insertion sequences and the previously identified direct repeats I, II, and III. Five new variable-number tandem repeats were identified; three of these five were unique in NE061598 compared to Schu S4. Importantly, there was no gene loss or gain identified between NE061598 and Schu S4. Interpretation of these data suggests there is significant sequence conservation and chromosomal synteny within the A1 population. Further studies are needed to determine the biological properties driving the selective pressure that maintains the chromosomal structure of this monomorphic pathogen.
C1 [Nalbantoglu, Ufuk; Sayood, Khalid] Univ Nebraska, Dept Elect Engn, Lincoln, NE 68588 USA.
[Iwen, Peter C.; Hinrichs, Steven H.; Fey, Paul D.] Univ Nebraska Med Ctr, Dept Pathol & Microbiol, Omaha, NE USA.
[Barabote, Ravi D.; Xie, Gary] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM USA.
[Barabote, Ravi D.; Xie, Gary] DOE Joint Genome Inst, Walnut Creek, CA USA.
[Dempsey, Michael P.] Armed Forces Inst Pathol, Div Microbiol, Washington, DC 20306 USA.
[Francesconi, Stephen C.] USN, Med Res Ctr, Silver Spring, MD USA.
[Brettin, Thomas S.] Oak Ridge Natl Lab, Oak Ridge, TN USA.
RP Nalbantoglu, U (reprint author), Univ Nebraska, Dept Elect Engn, Lincoln, NE 68588 USA.
EM pfey@unmc.edu
RI Barabote, Ravi/B-8727-2011; Barabote, Ravi/C-1299-2017;
OI Barabote, Ravi/0000-0002-0403-246X; xie, gary/0000-0002-9176-924X
FU Department of Defense, Defense Advanced Research Program Agency
[W911NF0510275]
FX This work was supported by a grant from the Department of Defense,
Defense Advanced Research Program Agency ( award W911NF0510275) to S. H.
H. The opinions expressed in this manuscript are the private views of
the authors and are not the official views of the Armed Forces Institute
of Pathology, the Department of the Army, the United States Air Force,
or the Department of Defense. The funders had no role in study design,
data collection and analysis, decision to publish, or preparation of the
manuscript.
NR 18
TC 11
Z9 11
U1 1
U2 8
PU PUBLIC LIBRARY SCIENCE
PI SAN FRANCISCO
PA 185 BERRY ST, STE 1300, SAN FRANCISCO, CA 94107 USA
SN 1932-6203
J9 PLOS ONE
JI PLoS One
PD FEB 3
PY 2010
VL 5
IS 2
AR e9007
DI 10.1371/journal.pone.0009007
PG 7
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 554ZA
UT WOS:000274474200008
PM 20140244
ER
PT J
AU Garcia-Barriocanal, J
Bruno, FY
Rivera-Calzada, A
Sefrioui, Z
Nemes, NM
Garcia-Hernandez, M
Rubio-Zuazo, J
Castro, GR
Varela, M
Pennycook, SJ
Leon, C
Santamaria, J
AF Garcia-Barriocanal, Javier
Bruno, Flavio Y.
Rivera-Calzada, Alberto
Sefrioui, Zouhair
Nemes, Norbert M.
Garcia-Hernandez, Mar
Rubio-Zuazo, Juan
Castro, German R.
Varela, Maria
Pennycook, Stephen J.
Leon, Carlos
Santamaria, Jacobo
TI "Charge Leakage" at LaMnO3/SrTiO3 Interfaces
SO ADVANCED MATERIALS
LA English
DT Article
ID SUPERLATTICES; HETEROSTRUCTURES; LAMNO3+DELTA; MULTILAYERS; OXIDES
AB Direct evidence for charge leakage at the interface of epitaxial SrTiO3/LaMnO3 superlattices with atomically sharp interfaces is provided. The direction of charge leakage can be reversed by changing the LMO/STO thickness ratio. This result will be important for the understanding of some of the reported limitations of oxide devices involving manganite/titanate interfaces.
C1 [Garcia-Barriocanal, Javier; Bruno, Flavio Y.; Rivera-Calzada, Alberto; Sefrioui, Zouhair; Nemes, Norbert M.; Leon, Carlos; Santamaria, Jacobo] Univ Complutense Madrid, Dpto Fis Aplicada 3, GFMC, E-28040 Madrid, Spain.
[Garcia-Hernandez, Mar] CSIC, Inst Ciencia Mat Madrid, E-28049 Madrid, Spain.
[Garcia-Barriocanal, Javier; Rubio-Zuazo, Juan; Castro, German R.] European Synchrotron Radiat Facil, SpLine Spanish CRG Beamline, F-38043 Grenoble, France.
[Varela, Maria; Pennycook, Stephen J.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP Santamaria, J (reprint author), Univ Complutense Madrid, Dpto Fis Aplicada 3, GFMC, E-28040 Madrid, Spain.
EM jacsan@fis.ucm.es
RI Leon, Carlos/A-5587-2008; Bruno, Flavio/C-7380-2008; Varela,
Maria/H-2648-2012; Nemes, Norbert Marcel/B-6275-2009; Varela,
Maria/E-2472-2014; Garcia-Hernandez, Mar/J-9520-2014; Rubio Zuazo,
Juan/M-3346-2014; Castro, German/H-6679-2015; Santamaria,
Jacobo/N-8783-2016; Sefrioui, Zouhair/C-2728-2017
OI Leon, Carlos/0000-0002-3262-1843; Bruno, Flavio/0000-0002-3970-8837;
Nemes, Norbert Marcel/0000-0002-7856-3642; Varela,
Maria/0000-0002-6582-7004; Garcia-Hernandez, Mar/0000-0002-5987-0647;
Rubio Zuazo, Juan/0000-0003-0614-5334; Castro,
German/0000-0003-4251-3245; Santamaria, Jacobo/0000-0003-4594-2686;
Sefrioui, Zouhair/0000-0002-6703-3339
FU Division of Materials Sciences and Engineering of the US Department of
Energy; MICINN [MAT200806517]
FX The authors acknowledge Julia Luck for the preparation of the STEM
specimen, Matt Chisholm for the LTO films and Masashi Watanabe for the
Digital Micrograph plug-in for principal-component analysis. Research at
ORNL (MV, SJP) was sponsored by the Division of Materials Sciences and
Engineering of the US Department of Energy. We acknowledge the European
Synchrotron Radiation Facility (ESRF) for provision of synchrotron
radiation facilities. Research at UCM was supported by MICINN grant
MAT200806517.
NR 33
TC 60
Z9 61
U1 4
U2 79
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0935-9648
J9 ADV MATER
JI Adv. Mater.
PD FEB 2
PY 2010
VL 22
IS 5
BP 627
EP +
DI 10.1002/adma.200902263
PG 7
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied;
Physics, Condensed Matter
SC Chemistry; Science & Technology - Other Topics; Materials Science;
Physics
GA 556TP
UT WOS:000274615600012
PM 20217762
ER
PT J
AU Lee, MV
Lee, JRI
Brehmer, DE
Linford, MR
Willey, TM
AF Lee, Michael V.
Lee, Jonathan R. I.
Brehmer, Daniel E.
Linford, Matthew R.
Willey, Trevor M.
TI Unanticipated C = C Bonds in Covalent Monolayers on Silicon Revealed by
NEXAFS
SO LANGMUIR
LA English
DT Article
ID POROUS SILICON; ORGANIC MONOLAYERS; MIXED MONOLAYERS; ALKYL MONOLAYERS;
SURFACES; CHEMISTRY; 1-ALKENES; ALKENES; FILMS
AB Interfaces are Crucial to material properties. In the case of covalent organic monolayers on silicon, molecular structure at the interface controls the self-assembly of the monolayers, which in turn influences the optical properties and electrical transport. These properties intrinsically affect their application in biology, tribology, optics, and electronics. We use near-edge X-ray absorption Fine structure spectroscopy to show that the most basic covalent monolayers formed from l-alkenes on silicon retain a double bond in one-firth to two-fifths of the resultant Molecules. Unsaturation in the predominantly saturated monolayers will perturb the regular order and affect the dependent properties. The presence of unsaturation in monolayers produced by two different methods also prompts the re-evaluation of other radical-based mechanisms for forming covalent monolayers on silicon.
C1 [Lee, Michael V.] Natl Inst Mat Sci, ICYS, MANA, Tsukuba, Ibaraki 3050047, Japan.
[Lee, Jonathan R. I.; Willey, Trevor M.] Lawrence Livermore Natl Lab, Condensed Matter & Mat Div, Livermore, CA USA.
[Brehmer, Daniel E.] Stanford Synchrotron Radiat Lightsource, SLAC Natl Accelerator Lab, Menlo Pk, CA USA.
[Linford, Matthew R.] Brigham Young Univ, Dept Chem & Biochem, Provo, UT 84602 USA.
RP Lee, MV (reprint author), Natl Inst Mat Sci, ICYS, MANA, Tsukuba, Ibaraki 3050047, Japan.
EM lee.michael@nims.go.jp
RI Willey, Trevor/A-8778-2011; Lee, Michael/A-8189-2012; Brehmer,
Daniel/A-2196-2013;
OI Willey, Trevor/0000-0002-9667-8830; Lee, Michael/0000-0002-3953-3811
FU World Premier International Research Center (WPI) Initiative on
Materials Nanoarchitectonics, MEXT, Japan; Office of Basic Energy
Sciences (OBES), Materials Sciences, U.S. DOE; Lawrence Livermore
National Laboratory [DE-AC52-07NA27344]
FX M.V.L. acknowledges support by the World Premier International Research
Center (WPI) Initiative on Materials Nanoarchitectonics, MEXT, Japan.
J.R.I.L. and T.M.W. acknowledge funding by the Office of Basic Energy
Sciences (OBES), Materials Sciences, U.S. DOE. This work was partially
performed at the Lawrence Livermore National Laboratory under contract
DE-AC52-07NA27344. The Stanford Synchrotron Radiation Lightsource Is it
national user facility operated by SLAC National Accelerator Laboratory
on behalf of the U.S. DOE, OBES.
NR 30
TC 11
Z9 11
U1 0
U2 10
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0743-7463
J9 LANGMUIR
JI Langmuir
PD FEB 2
PY 2010
VL 26
IS 3
BP 1512
EP 1515
DI 10.1021/la9038254
PG 4
WC Chemistry, Multidisciplinary; Chemistry, Physical; Materials Science,
Multidisciplinary
SC Chemistry; Materials Science
GA 546SM
UT WOS:000273831700028
PM 19938807
ER
PT J
AU Bennett, LM
Wang, Y
Ramsey, MJ
Harger, GF
Bigbee, WL
Tucker, JD
AF Bennett, L. Michelle
Wang, Yun
Ramsey, Marilyn J.
Harger, Gail F.
Bigbee, William L.
Tucker, James D.
TI Cigarette smoking during pregnancy: Chromosome translocations and
phenotypic susceptibility in mothers and newborns
SO MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS
LA English
DT Article
DE Cigarette smoking; Pregnancy; Newborns; Mothers; Chromosome
translocations; Genomic susceptibility
ID PERIPHERAL-BLOOD LYMPHOCYTES; RADIATION-INDUCED TRANSLOCATIONS;
CHILDHOOD BRAIN-TUMORS; LIFE-STYLE FACTORS; TOBACCO-SMOKE; CANCER
SUSCEPTIBILITY; MATERNAL SMOKING; ENVIRONMENTAL-POLLUTANTS; PRENATAL
EXPOSURE; PARENTAL USE
AB The effects of maternal cigarette smoking during pregnancy on structural chromosome aberrations were evaluated in peripheral lymphocytes from 239 mothers and their 241 newborns to determine whether smoking during pregnancy, genetic susceptibility, and race are associated with chromosome aberrations including translocations. Demographic information and cigarette smoking data were obtained via questionnaire. There were 119 Caucasian Americans, 118 African Americans, and 2 Asian Americans. The average maternal age was 24.9 +/- 5.8 (mean +/- S.D.) years. Thirty-nine percent of the Caucasian Americans and 45.4% of the African Americans self-reported that they were active smokers during the index pregnancy. The average number of cigarettes smoked per day was 2.65 +/- 5.75 and 1.37 +/- 3.17 for Caucasian and African American mothers, respectively. Peripheral blood lymphocytes from the mother and from the fetal side of the placenta were evaluated for chromosome aberrations by whole chromosome painting. Aliquots from the same blood samples were also used to assess genetic susceptibility with an in vitro bleomycin challenge assay. Spontaneous translocation frequencies in both maternal and newborn lymphocytes were not associated with cigarette smoking, socioeconomic status, or education. The absence of a smoking effect may be attributable to the low level of cigarette usage in these subjects. The average bleomycin-induced damage in the maternal and newborn populations was 0.37 +/- 0.27 and 0.15 +/- 0.14 breaks per cell, respectively, a difference that was highly significant (p < 0.0001). In newborns there was a positive association between bleomycin sensitivity and the frequencies of aberrations as measured by chromosome painting: p <= 0.0007 for dicentrics and fragments, and p < 0.002 for translocations. Caucasian American newborns demonstrated a significant association between clicentrics and fragments as measured by painting, and bleomycin sensitivity (p < 0.0002), but no such association was observed for African American newborns. The results of this study indicate that while differences were observed between African Americans and Caucasian Americans, race does not appear to be a major contributor to chromosome damage in newborns or their mothers. However, peripheral lymphocytes in pregnant women are more susceptible to genetic damage than peripheral lymphocytes in newborns. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Bennett, L. Michelle; Ramsey, Marilyn J.; Tucker, James D.] Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA 94550 USA.
[Wang, Yun] Univ Pittsburgh, Grad Sch Publ Hlth, Dept Biostat, Pittsburgh, PA 15213 USA.
[Wang, Yun] Univ Pittsburgh, Biostat Facil, Inst Canc, Pittsburgh, PA 15213 USA.
[Harger, Gail F.; Bigbee, William L.] Univ Pittsburgh, Grad Sch Publ Hlth, Dept Epidemiol, Pittsburgh, PA 15213 USA.
[Bigbee, William L.] Univ Pittsburgh, Inst Canc, Hillman Canc Ctr, Dept Pathol,Sch Med, Pittsburgh, PA 15213 USA.
RP Tucker, JD (reprint author), Wayne State Univ, Dept Biol Sci, 1370 Biol Sci Bldg,5047 Gullen Mall, Detroit, MI 48202 USA.
EM lmbennett@nih.gov; jtucker@biology.wayne.edu
FU U.S. Department of Energy by the University of California; Lawrence
Livermore National Laboratory [W-7405-ENG-48]; California Tobacco
Related Disease Research Program [8RT-0070]; NIH [R01 HD33016]
FX This work was performed in part under the auspices of the U.S.
Department of Energy by the University of California, Lawrence Livermore
National Laboratory under contract W-7405-ENG-48. Funding from the
California Tobacco Related Disease Research Program Grant #8RT-0070 to
JDT and NIH grant R01 HD33016 to WLB is gratefully acknowledged. We
thank J. Montgomery for expert technical assistance with slide
preparation and J. Williams, B. Cutter, F. Zamora, J. Coffey, S. Sun, J.
Lamberton, B. Lear, G. Vrankovich, W. Mellberg, E. Mirkova, A. Petersen,
and C. Hara for expert technical assistance in performing the
cytogenetic analyses. The authors also gratefully acknowledge Ms.
Peggyjoy Chatfield for assay development and measurements of serum
cotinine levels, which were performed in support of her M.P.H. thesis
dissertation in the Graduate School of Public Health at San Diego State
University.
NR 62
TC 10
Z9 10
U1 0
U2 1
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1383-5718
J9 MUTAT RES-GEN TOX EN
JI Mutat. Res. Genet. Toxicol. Environ. Mutagen.
PD FEB 2
PY 2010
VL 696
IS 1
BP 81
EP 88
DI 10.1016/j.mrgentox.2009.12.015
PG 8
WC Biotechnology & Applied Microbiology; Genetics & Heredity; Toxicology
SC Biotechnology & Applied Microbiology; Genetics & Heredity; Toxicology
GA 563NY
UT WOS:000275140600010
PM 20060061
ER
PT J
AU Chang, PV
Prescher, JA
Sletten, EM
Baskin, JM
Miller, IA
Agard, NJ
Lo, A
Bertozzi, CR
AF Chang, Pamela V.
Prescher, Jennifer A.
Sletten, Ellen M.
Baskin, Jeremy M.
Miller, Isaac A.
Agard, Nicholas J.
Lo, Anderson
Bertozzi, Carolyn R.
TI Copper-free click chemistry in living animals
SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF
AMERICA
LA English
DT Article
DE 1,3-dipolar cycloaddition; azide; bioorthogonal ligation; cyclooctyne;
glycan
ID IN-VIVO; STAUDINGER LIGATION; 1,3-DIPOLAR CYCLOADDITIONS; AQUEOUS
SOLUBILITY; CHEMICAL-COMPOUNDS; TERMINAL ALKYNES; AZIDO SUGARS; GLYCANS;
PROTEINS; GLYCOSYLATION
AB Chemical reactions that enable selective biomolecule labeling in living organisms offer a means to probe biological processes in vivo. Very few reactions possess the requisite bioorthogonality, and, among these, only the Staudinger ligation between azides and triarylphosphines has been employed for direct covalent modification of biomolecules with probes in the mouse, an important model organism for studies of human disease. Here we explore an alternative bioorthogonal reaction, the 1,3-dipolar cycloaddition of azides and cyclooctynes, also known as "Cu-free click chemistry," for labeling biomolecules in live mice. Mice were administered peracetylated N-azidoacetylmannosamine (Ac(4)ManNAz) to metabolically label cell-surface sialic acids with azides. After subsequent injection with cyclooctyne reagents, glycoconjugate labeling was observed on isolated splenocytes and in a variety of tissues including the intestines, heart, and liver, with no apparent toxicity. The cyclooctynes tested displayed various labeling efficiencies that likely reflect the combined influence of intrinsic reactivity and bioavailability. These studies establish Cu-free click chemistry as a bioorthogonal reaction that can be executed in the physiologically relevant context of a mouse.
C1 [Chang, Pamela V.; Prescher, Jennifer A.; Sletten, Ellen M.; Baskin, Jeremy M.; Miller, Isaac A.; Agard, Nicholas J.; Lo, Anderson; Bertozzi, Carolyn R.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Bertozzi, Carolyn R.] Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA.
[Bertozzi, Carolyn R.] Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA.
[Bertozzi, Carolyn R.] Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA.
RP Bertozzi, CR (reprint author), Univ Calif Berkeley, Dept Chem, B84 Hildebrand Hall 1460, Berkeley, CA 94720 USA.
EM crb@berkeley.edu
OI Baskin, Jeremy/0000-0003-2939-3138
FU National Institutes of Health [GM058867]; National Science Foundation;
American Chemical Society; Howard Hughes Medical Institute; National
Defense Science and Engineering
FX We thank Danielle Dube, Sarah Hubbard, Julian Codelli, and Bryan
Dickinson for technical assistance and Scott Laughlin for graphical
assistance. This work was supported by National Institutes of Health
Grant GM058867. P. V. C. was supported by National Science Foundation
and American Chemical Society Division of Medicinal Chemistry
predoctoral fellowships. J.A.P. was supported by a Howard Hughes Medical
Institute predoctoral fellowship. E. M. S. was supported by an American
Chemical Society Division of Organic Chemistry predoctoral fellowship.
J.M.B. was supported by National Science Foundation and National Defense
Science and Engineering predoctoral fellowships.
NR 39
TC 273
Z9 274
U1 11
U2 162
PU NATL ACAD SCIENCES
PI WASHINGTON
PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA
SN 0027-8424
J9 P NATL ACAD SCI USA
JI Proc. Natl. Acad. Sci. U. S. A.
PD FEB 2
PY 2010
VL 107
IS 5
BP 1821
EP 1826
DI 10.1073/pnas.0911116107
PG 6
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 552MV
UT WOS:000274296300006
PM 20080615
ER
PT J
AU Johnson, NC
Wilson, GWT
Bowker, MA
Wilson, JA
Miller, RM
AF Johnson, Nancy Collins
Wilson, Gail W. T.
Bowker, Matthew A.
Wilson, Jacqueline A.
Miller, R. Michael
TI Resource limitation is a driver of local adaptation in mycorrhizal
symbioses
SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF
AMERICA
LA English
DT Article
DE coevolution; geographic mosaics; mutualism; parasitism
ID PLANT COMMUNITY STRUCTURE; TALLGRASS PRAIRIE; ARBUSCULAR MYCORRHIZA;
WATER RELATIONS; FUNGI; SOIL; NUTRIENT; NITROGEN; DYNAMICS; FEEDBACK
AB Symbioses may be important mechanisms of plant adaptation to their environment. We conducted a reciprocal inoculation experiment to test the hypothesis that soil fertility is a key driver of local adaptation in arbuscular mycorrhizal (AM) symbioses. Ecotypes of Andropogon gerardii from phosphorus-limited and nitrogen-limited grasslands were grown with all possible "home and away" combinations of soils and AM fungal communities. Our results indicate that Andropogon ecotypes adapt to their local soil and indigenous AM fungal communities such that mycorrhizal exchange of the most limiting resource is maximized. Grasses grown in home soil and inoculated with home AM fungi produced more arbuscules ( symbiotic exchange structures) in their roots than those grown in away combinations. Also, regardless of the host ecotype, AM fungi produced more extraradical hyphae in their home soil, and locally adapted AM fungi were, therefore, able to sequester more carbon compared with nonlocal fungi. Locally adapted mycorrhizal associations were more mutualistic in the two phosphorus-limited sites and less parasitic at the nitrogen-limited site compared with novel combinations of plants, fungi, and soils. To our knowledge, these findings provide the strongest evidence to date that resource availability generates evolved geographic structure in symbioses among plants and soil organisms. Thus, edaphic origin of AM fungi should be considered when managing for their benefits in agriculture, ecosystem restoration, and soil-carbon sequestration.
C1 [Johnson, Nancy Collins; Bowker, Matthew A.] No Arizona Univ, Flagstaff, AZ 86011 USA.
[Wilson, Gail W. T.] Oklahoma State Univ, Stillwater, OK 74078 USA.
[Wilson, Jacqueline A.] Univ Kansas, Dept Ecol & Evolutionary Biol, Lawrence, KS 66045 USA.
[Miller, R. Michael] Argonne Natl Lab, Biosci Div, Argonne, IL 60439 USA.
RP Johnson, NC (reprint author), No Arizona Univ, Flagstaff, AZ 86011 USA.
EM Nancy.Johnson@nau.edu
RI Wilson, Gail/G-4255-2012
FU National Science Foundation [DEB-03116136, DEB-0842327, IBN-9632851]; US
Department of Energy [DE-AC02-06CH11357]
FX We thank Anita Antoninka for her analysis of the AM fungal- spore
communities and Brent Burch and Matthew Lau for their assistance with
the statistical analyses. We also thank James Bever, John Klironomos,
and Thomas Whitham for their helpful comments on an earlier version of
this manuscript. We thank the Cedar Creek and Konza Long-Term Ecological
Research (LTER) sites and the Fermi National Laboratory Environmental
Research Park for permitting us to collect soil and seed at their
research sites. This work was funded by the National Science Foundation
Grants DEB-03116136, DEB-0842327, and IBN-9632851 (Konza LTER). R.M.M.'s
participation was in part funded by the US Department of Energy, Office
of Science, Office of Biological and Environmental Research, Climate
Change Research Division under contract DE-AC02-06CH11357 at Argonne,
IL.
NR 52
TC 186
Z9 193
U1 30
U2 240
PU NATL ACAD SCIENCES
PI WASHINGTON
PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA
SN 0027-8424
J9 P NATL ACAD SCI USA
JI Proc. Natl. Acad. Sci. U. S. A.
PD FEB 2
PY 2010
VL 107
IS 5
BP 2093
EP 2098
DI 10.1073/pnas.0906710107
PG 6
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 552MV
UT WOS:000274296300053
PM 20133855
ER
PT J
AU Xie, ZH
Ulrich, LE
Zhulin, IB
Alexandre, G
AF Xie, Zhihong
Ulrich, Luke E.
Zhulin, Igor. B.
Alexandre, Gladys
TI PAS domain containing chemoreceptor couples dynamic changes in
metabolism with chemotaxis
SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF
AMERICA
LA English
DT Article
DE FAD; nitrogen fixation; signal transduction
ID AZOSPIRILLUM-BRASILENSE SP7; PROTON MOTIVE FORCE; ESCHERICHIA-COLI;
ENERGY TAXIS; SIGNAL-TRANSDUCTION; BACTERIAL CHEMOTAXIS; REDOX SENSOR;
AEROTAXIS; AER; OXYGEN
AB Chemoreceptors provide sensory specificity and sensitivity that enable motile bacteria to seek optimal positions for growth and metabolism in gradients of various physicochemical cues. Despite the abundance of chemoreceptors, little is known regarding the sensory specificity and the exact contribution of individual chemoreceptors to the lifestyle of bacteria. Azospirillum brasilense are motile bacteria that can fix atmospheric nitrogen under microaerophilic conditions. Here, we characterized a chemoreceptor in this organism, named AerC, which functions as a redox sensor that enables the cells to seek microaerophilic conditions that support optimum nitrogen fixation. AerC is a representative of a widespread class of soluble chemoreceptors that monitor changes in the redox status of the electron transport system via the FAD cofactor associated with its PAS domains. In A. brasilense, AerC clusters at the cell poles. Its cellular localization and contribution to the behavioral response correlate with its expression pattern and with changes in the overall cellular FAD content under nitrogen-fixing conditions. AerC-mediated energy taxis in A. brasilense prevails under conditions of nitrogen fixation, illustrating a strategy by which cells optimize chemosensing to signaling cues that directly affect current metabolic activities and thus revealing a mechanism by which chemotaxis is coordinated with dynamic changes in cell physiology.
C1 [Xie, Zhihong; Alexandre, Gladys] Univ Tennessee, Dept Biochem Cellular & Mol Biol, Knoxville, TN 37996 USA.
[Ulrich, Luke E.; Alexandre, Gladys] Univ Tennessee, Dept Microbiol, Knoxville, TN 37996 USA.
[Ulrich, Luke E.; Zhulin, Igor. B.] Agile Genom LLC, Mt Pleasant, SC 29466 USA.
[Zhulin, Igor. B.] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37886 USA.
[Zhulin, Igor. B.] Oak Ridge Natl Lab, BioEnergy Sci Ctr, Oak Ridge, TN 37886 USA.
RP Alexandre, G (reprint author), Univ Tennessee, Dept Biochem Cellular & Mol Biol, Knoxville, TN 37996 USA.
EM galexan2@utk.edu
RI XIE, Zhihong/B-2968-2011; Zhulin, Igor/A-2308-2012
OI Zhulin, Igor/0000-0002-6708-5323
FU National Science Foundation [MCB-0622277, MCB-0919819]; National
Institutes of Health [GM072285]; Office of Biological and Environmental
Research in the DOE Office of Science; U.S. Department of Energy
[DE-AC05-00OR22725]
FX The authors thank R. Goodchild and K. Watts for providing antibodies; K.
Watts and M. S. Johnson for advice with the FAD measurement assays; and
Q. Ma, B. L. Taylor, and W. Black for participating in the early stages
of computational analysis. The authors also thank B. R. Crane for
insightful discussion. This work was supported by National Science
Foundation CAREER Award MCB-0622277 and MCB-0919819 (to G.A.), the
National Institutes of Health Grant GM072285 (to I.B.Z.) and the DOE
BioEnergy Science Center, which is supported by the Office of Biological
and Environmental Research in the DOE Office of Science. This research
used resources of the National Center for Computational Sciences at Oak
Ridge National Laboratory, which is supported by the Office of Science
of the U.S. Department of Energy under Contract No. DE-AC05-00OR22725.
NR 34
TC 30
Z9 30
U1 0
U2 21
PU NATL ACAD SCIENCES
PI WASHINGTON
PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA
SN 0027-8424
J9 P NATL ACAD SCI USA
JI Proc. Natl. Acad. Sci. U. S. A.
PD FEB 2
PY 2010
VL 107
IS 5
BP 2235
EP 2240
DI 10.1073/pnas.0910055107
PG 6
WC Multidisciplinary Sciences
SC Science & Technology - Other Topics
GA 552MV
UT WOS:000274296300078
PM 20133866
ER
PT J
AU Willcock, J
Lumsdaine, A
Quinlan, D
AF Willcock, Jeremiah
Lumsdaine, Andrew
Quinlan, Daniel
TI Reusable, Generic Program Analyses and Transformations
SO ACM SIGPLAN NOTICES
LA English
DT Article
DE Languages; Performance; Generic programming; compiler optimization;
program analysis
ID OPTIMIZATIONS
AB The optimizations in modern compilers are constructed for a predetermined set of primitive types. As a result, programmers are unable to exploit optimizations for user-defined types where these optimizations would be correct and beneficial. Moreover, because the set of optimizations is also fixed, programmers are unable to incorporate new optimizations into the compiler. To address these limitations, we apply the reuse methodologies from generic programming to compiler analyses and optimizations. To enable compilers to apply optimizations to classes of types rather than particular types, we define optimizations in terms of generic interface descriptions (similar to C++ concepts or Haskell type classes). By extending these interface descriptions to include associated program analysis and transformation fragments, we enable compilers to incorporate user-defined transformations and analyses. Since these transformations are explicitly associated with interface descriptions, they can be applied in generic fashion by the compiler. We demonstrate that classical compiler optimizations, when generalized using this framework, can apply to a broad range of types, both built-in and user-defined. Finally, we present an initial implementation, the principles of which are generalizable to other compilers.
C1 [Willcock, Jeremiah; Lumsdaine, Andrew] Indiana Univ, Bloomington, IN 47405 USA.
[Quinlan, Daniel] Lawrence Livermore Natl Lab, Livermore, CA USA.
RP Willcock, J (reprint author), Indiana Univ, Bloomington, IN 47405 USA.
EM jewillco@osl.iu.edu; lums@osl.iu.edu; dquinlan@llnl.gov
FU Lawrence Livermore National Laboratory [DE-AC52-07NA27344]; Laboratory
Directed Research and Development [07-ERD-057]; United States Department
of Energy; Air Force Research Laboratory; NSF [CCF-0541335]; Lilly
Endowment
FX This work performed under the auspices of the U.S. Department of Energy
by Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344. This work was funded by the Laboratory Directed
Research and Development Program at LLNL under project tracking code; A
portion of this work previously appeared in the first author's Ph.D.
thesis in the context of a more sophisticated program analysis and
transformation specification language intended for use in generic
optimizations [42]. The first author was partially supported by a United
States Department of Energy High Performance Computer Science
Fellowship. This project was also partially funded by the Air Force
Research Laboratory, as well as by NSF award CCF-0541335 and by the
Lilly Endowment. We would also like to thank David R. Musser for
clarifying some aspects of Vargun's work on generic proofs, and Bronis
de Supinski, Chunhua Liao, Laura Hopkins, Marcin Zalewski, and Andreas S
bjornsen for reading and commenting on the paper. We also thank the
anonymous reviewers for their comments.07-ERD-057.
NR 42
TC 1
Z9 1
U1 0
U2 0
PU ASSOC COMPUTING MACHINERY
PI NEW YORK
PA 2 PENN PLAZA, STE 701, NEW YORK, NY 10121-0701 USA
SN 0362-1340
J9 ACM SIGPLAN NOTICES
JI ACM Sigplan Not.
PD FEB
PY 2010
VL 45
IS 2
BP 5
EP 14
PG 10
WC Computer Science, Software Engineering
SC Computer Science
GA 633ZT
UT WOS:000280547600001
ER
PT J
AU Wu, KS
Shoshani, A
Stockinger, K
AF Wu, Kesheng
Shoshani, Arie
Stockinger, Kurt
TI Analyses of Multi-Level and Multi-Component Compressed Bitmap Indexes
SO ACM TRANSACTIONS ON DATABASE SYSTEMS
LA English
DT Article
DE Performance; Algorithms; Multi-component bitmap index; multi-level
bitmap index; compression; performance analysis
ID SIGNATURE FILES; TECHNOLOGY
AB Bitmap indexes are known as the most effective indexing methods for range queries on append-only data, and many different bitmap indexes have been proposed in the research literature. However, only two of the simplest ones are used in commercial products. To better understand the benefits offered by the more sophisticated variations, we conduct an analytical comparison of well-known bitmap indexes, most of which are in the class of multi-component bitmap indexes. Our analysis is the first to fully incorporate the effects of compression on their performance. We produce closed-form formulas for both the index sizes and the query processing costs for the worst cases. One surprising finding is that the two simple indexes are in fact the best among multi-component indexes. Additionally, we investigate a number of novel variations in a class of multi-level indexes, and find that they answer queries faster than the best of multi-component indexes. More specifically, some two-level indexes are predicted by analyses and verified with experiments to be 5 to 10 times faster than well-known indexes. Furthermore, these two-level indexes have the optimal computational complexity for answering queries.
C1 [Wu, Kesheng; Shoshani, Arie; Stockinger, Kurt] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Wu, KS (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd Mail Stop, Berkeley, CA 94720 USA.
EM kwu@lbl.gov
FU U. S. Department of Energy [DE-AC02-05CH11231]
FX This work was supported by the Director, Office of Science, Office of
Advanced Scientific Computing Research, of the U. S. Department of
Energy under Contract No. DE-AC02-05CH11231.
NR 43
TC 8
Z9 8
U1 0
U2 1
PU ASSOC COMPUTING MACHINERY
PI NEW YORK
PA 2 PENN PLAZA, STE 701, NEW YORK, NY 10121-0701 USA
SN 0362-5915
EI 1557-4644
J9 ACM T DATABASE SYST
JI ACM Trans. Database Syst.
PD FEB
PY 2010
VL 35
IS 1
AR 2
DI 10.1145/1670243.1670245
PG 52
WC Computer Science, Information Systems; Computer Science, Software
Engineering
SC Computer Science
GA 555KZ
UT WOS:000274511000002
ER
PT J
AU Xu, XC
Rao, NSV
Sahni, S
AF Xu, Xiaochun
Rao, Nageswara S. V.
Sahni, Sartaj
TI A Computational Geometry Method for Localization Using Differences of
Distances
SO ACM TRANSACTIONS ON SENSOR NETWORKS
LA English
DT Article
DE Algorithms; Measurement; DTOA localization; distance-difference
triangulation; geometric search; sensor networks
ID LOCATION
AB We present a computational geometry method for the problem of estimating the location of a source in the plane using measurements of distance-differences to it. Compared to existing solutions to this well-studied problem, this method is: (a) computationally more efficient and adaptive in that its precision can be controlled as a function of the number of computational operations, and (b) robust with respect to measurement and computational errors, and is not susceptible to numerical instabilities typical of existing linear algebraic or quadratic methods. This method employs a binary search on a distance-difference curve in the plane using a second distance-difference as the objective function. We show the correctness of this method by establishing the unimodality of directional derivative of the objective function within each of a small number of regions of the plane, wherein a suitable binary search is supported. The computational complexity of this method is O(log(1/gamma)), where the computed solution is guaranteed to be within a distance. of the actual location of the source. We present simulation results to compare this method with existing DTOA localization methods.
C1 [Xu, Xiaochun; Sahni, Sartaj] Univ Florida, Comp & Informat Sci & Engn Dept, Gainesville, FL 32611 USA.
[Rao, Nageswara S. V.] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37831 USA.
RP Xu, XC (reprint author), Univ Florida, Comp & Informat Sci & Engn Dept, Gainesville, FL 32611 USA.
EM xxu@cise.ufl.edu; raons@ornl.gov; sahni@cise.ufl.edu
OI Rao, Nageswara/0000-0002-3408-5941
FU Oak Ridge National Laboratory (ORNL); U.S. Department of Energy
[DE-AC05-00OR22725]
FX This work is funded by the SensorNet program of Oak Ridge National
Laboratory (ORNL) through Office of Naval Research. ONRL is managed by
UT-Battelle, LLC for U.S. Department of Energy under Contract No.
DE-AC05-00OR22725.
NR 21
TC 5
Z9 5
U1 1
U2 7
PU ASSOC COMPUTING MACHINERY
PI NEW YORK
PA 2 PENN PLAZA, STE 701, NEW YORK, NY 10121-0701 USA
SN 1550-4859
EI 1550-4867
J9 ACM T SENSOR NETWORK
JI ACM Trans. Sens. Netw.
PD FEB
PY 2010
VL 6
IS 2
AR 10
DI 10.1145/1689239.1689240
PG 25
WC Computer Science, Information Systems; Telecommunications
SC Computer Science; Telecommunications
GA 563VK
UT WOS:000275163100001
ER
PT J
AU Zhu, MX
Ding, S
Wu, QS
Brooks, RR
Rao, NSV
Iyengar, SS
AF Zhu, Mengxia
Ding, Song
Wu, Qishi
Brooks, R. R.
Rao, N. S. V.
Iyengar, S. S.
TI Fusion of Threshold Rules for Target Detection in Wireless Sensor
Networks
SO ACM TRANSACTIONS ON SENSOR NETWORKS
LA English
DT Article
DE Algorithms; Performance; Hit rate; false alarm rate; Chebyshev
inequality; ROC curve; wireless sensor network; binary decision fusion
ID DECISION FUSION; DISTRIBUTED DETECTION; PERFORMANCE; SYSTEMS
AB We propose a binary decision fusion rule that reaches a global decision on the presence of a target by integrating local decisions made by multiple sensors. Without requiring a priori probability of target presence, the fusion threshold bounds derived using Chebyshev's inequality ensure a higher hit rate and lower false alarm rate compared to the weighted averages of individual sensors. The Monte Carlo-based simulation results show that the proposed approach significantly improves target detection performance, and can also be used to guide the actual threshold selection in practical sensor network implementation under certain error rate constraints.
C1 [Zhu, Mengxia] So Illinois Univ, Dept Comp Sci, Carbondale, IL 62901 USA.
[Ding, Song; Iyengar, S. S.] Louisiana State Univ, Dept Comp Sci, Baton Rouge, LA 70803 USA.
[Wu, Qishi] Univ Memphis, Dept Comp Sci, Memphis, TN 38152 USA.
[Brooks, R. R.] Clemson Univ, Dept Comp Engn, Clemson, SC USA.
[Rao, N. S. V.] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37831 USA.
RP Zhu, MX (reprint author), So Illinois Univ, Dept Comp Sci, Carbondale, IL 62901 USA.
EM mzhu@cs.siu.edu; sding@bit.csc.lsu.edu; qishiwu@memphis.edu;
rrb@acm.org; raons@ornl.gov; iyengar@bit.csc.lsu.edu
OI Rao, Nageswara/0000-0002-3408-5941
FU ARO [W911 NF-05-1-0226]
FX R.R. Brooks acknowledges financial support by ARO through grant W911
NF-05-1-0226.
NR 10
TC 14
Z9 15
U1 4
U2 7
PU ASSOC COMPUTING MACHINERY
PI NEW YORK
PA 2 PENN PLAZA, STE 701, NEW YORK, NY 10121-0701 USA
SN 1550-4859
J9 ACM T SENSOR NETWORK
JI ACM Trans. Sens. Netw.
PD FEB
PY 2010
VL 6
IS 2
AR 18
DI 10.1145/1689239.1689248
PG 7
WC Computer Science, Information Systems; Telecommunications
SC Computer Science; Telecommunications
GA 563VK
UT WOS:000275163100009
ER
PT J
AU Reilly, TH
Tenent, RC
Barnes, TM
Rowlen, KL
van de Lagemaat, J
AF Reilly, Thomas H., III
Tenent, Robert C.
Barnes, Teresa M.
Rowlen, Kathy L.
van de Lagemaat, Jao
TI Controlling the Optical Properties of Plasmonic Disordered Nanohole
Silver Films
SO ACS NANO
LA English
DT Article
DE surface plasmon; transparent electrode; enhanced optical transmission;
nanohole; nanoaperture; colloidal lithography; layer-by-layer deposition
ID SUBWAVELENGTH HOLE ARRAYS; THIN METAL-FILMS; ENHANCED TRANSMISSION;
LIGHT TRANSMISSION; SURFACE-PLASMONS; COPPER PHTHALOCYANINE;
PHOTOVOLTAIC CELLS; SOLID FILMS; GOLD-FILMS; RESONANCE
AB Disordered nanohole arrays were formed in silver films by colloidal lithography techniques and characterized for their surface-plasmon activity. Careful control of the reagent concentration, deposition solution ionic strength, and assembly time allowed generation of a wide variety of nanohole densities. The fractional coverage of the nanospheres across the surface was varied from 0.05-0.36. Electrical sheet resistance measurements as a function of nanohole coverage fit well to percolation theory indicating that the electrical behavior of the films is determined by bulk silver characteristics. The transmission and reflection spectra were measured as a function of coverage and the results indicate that the optical behavior of the films is dominated by surface plasmon phenomena. Angle-resolved transmission and reflection spectra were measured, yielding insight into the nature of the excitations taking place on the metal films. The tunability of the colloidal lithography assembly method holds much promise as a means to generate customized transparent electrodes with high surface plasmon activity throughout the visible and NIR spectrum over large surface areas.
C1 [Reilly, Thomas H., III; Barnes, Teresa M.; van de Lagemaat, Jao] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Tenent, Robert C.; Rowlen, Kathy L.] Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USA.
RP van de Lagemaat, J (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80401 USA.
EM jao.vandelagemaat@nrel.gov
RI van de Lagemaat, Jao/J-9431-2012
FU Laboratory Directed Research and Development program at NREL; NSF; U.S.
Department of Energy [DE-AC36-99GO10337]
FX T.H.R., J.v.d.L. and T.M.B. would like to acknowledge support from the
Laboratory Directed Research and Development program at NREL. R.C.T. and
K.L.R. would like to acknowledge support from the NSF. This work was
supported by the U.S. Department of Energy under Contract No.
DE-AC36-99GO10337 with the National Renewable Energy Laboratory.
NR 50
TC 25
Z9 25
U1 4
U2 41
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD FEB
PY 2010
VL 4
IS 2
BP 615
EP 624
DI 10.1021/nn901734d
PG 10
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 556ZI
UT WOS:000274635800006
PM 20112934
ER
PT J
AU Nikiforov, MP
Thompson, GL
Reukov, VV
Jesse, S
Guo, S
Rodriguez, BJ
Seal, K
Vertegel, AA
Kalinin, SV
AF Nikiforov, M. P.
Thompson, G. L.
Reukov, V. V.
Jesse, S.
Guo, S.
Rodriguez, B. J.
Seal, K.
Vertegel, A. A.
Kalinin, S. V.
TI Double-Layer Mediated Electromechanical Response of Amyloid Fibrils in
Liquid Environment
SO ACS NANO
LA English
DT Article
DE amyloid; electromechanical coupling; double layer; PFM; SPM
ID ATOMIC-FORCE MICROSCOPY; ELECTRIC-FIELD; MOLECULAR-DYNAMICS; DEVICES;
INSULIN; NANOSCALE; DRIVEN; SURFACE; ROTOR; PIEZOELECTRICITY
AB Harnessing electrical bias-induced mechanical motion on the nanometer and molecular scale is a critical step toward understanding the fundamental mechanisms of redox processes and implementation of molecular electromechanical machines. Probing these phenomena in biomolecular systems requires electromechanical measurements be performed in liquid environments. Here we demonstrate the use of band excitation piezoresponse force microscopy for probing electromechanical coupling in amyloid fibrils. The approaches for separating the elastic and electromechanical contributions based on functional fits and multivariate statistical analysis are presented. We demonstrate that in the bulk of the fibril the electromechanical response is dominated by double-layer effects (consistent with shear piezoelectricity of biomolecules), while a number of electromechanically active hot spots possibly related to structural defects are observed.
C1 [Thompson, G. L.; Reukov, V. V.; Vertegel, A. A.] Clemson Univ, Dept Bioengn, Clemson, SC 29634 USA.
[Nikiforov, M. P.; Jesse, S.; Guo, S.; Rodriguez, B. J.; Seal, K.; Kalinin, S. V.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Vertegel, AA (reprint author), Clemson Univ, Dept Bioengn, Clemson, SC 29634 USA.
EM vertege@clemson.edu; sergei2@ornl.gov
RI Nikiforov, Maxim/C-1965-2012; Kalinin, Sergei/I-9096-2012; Rodriguez,
Brian/A-6253-2009; Jesse, Stephen/D-3975-2016
OI Kalinin, Sergei/0000-0001-5354-6152; Rodriguez,
Brian/0000-0001-9419-2717; Jesse, Stephen/0000-0002-1168-8483
FU ORNL LORD; U.S. Department of Energy; NIH [RR024449]
FX The work was supported in part (M.P.N., S.V.K.) by ORNL LORD program. A
portion of this research at the Oak Ridge National Laboratory's Center
for Nanophase Materials Sciences was sponsored by the Scientific User
Facilities Division, Office of Basic Energy Sciences, U.S. Department of
Energy. The research was also supported in part (V.V.R., A.A.V., S.V.K.)
by NIH Grant RR024449.
NR 70
TC 19
Z9 19
U1 0
U2 7
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD FEB
PY 2010
VL 4
IS 2
BP 689
EP 698
DI 10.1021/nn901127k
PG 10
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 556ZI
UT WOS:000274635800015
PM 20088597
ER
PT J
AU Gu, DF
Baumgart, H
Abdel-Fattah, TM
Namkoong, G
AF Gu, Diefeng
Baumgart, Helmut
Abdel-Fattah, Tarek M.
Namkoong, Gon
TI Synthesis of Nested Coaxial Multiple-Walled Nanotubes by Atomic Layer
Deposition
SO ACS NANO
LA English
DT Article
DE atomic layer deposition; nested multiple-walled coaxial nanotubes;
coaxial sacrificial spacer layer; porous alumina templates; chemical
nanotube release
ID ALUMINA MEMBRANES; ANODIC ALUMINA; FABRICATION; ARRAYS; TEMPLATES;
METAL; NANOSTRUCTURES; REPLICATION; DIFFUSION; INSULATOR
AB Nested multiple-walled coaxial nanotube structures of transition metal oxides, semiconductors, and metals were successfully synthesized by atomic layer deposition (ALD) techniques utilizing nanoporous anodic aluminum oxide (AAO) as templates. In order to fabricate free-standing tube-in-tube namostructures, successive ALD nanotubes were grown on the interior template walls of the AAO nanochannels. The coaxial nanotubes were alternated by sacrificial spacers of ALD Al(2)O(3), to be chemically removed to release the nanotubes from the AAO template. In this study, we synthesized a novel nanostructure with up to five nested coaxial nanotubes within AAO templates. This synthesis can be extended to fabricate n-times tube-in-tube nanostructures of different materials with applications in multisensors, broadband detectors, nanocapacitors, and photovoltaic cells.
C1 [Gu, Diefeng; Baumgart, Helmut; Namkoong, Gon] Old Dominion Univ, Dept Elect Engn, Norfolk, VA 23529 USA.
[Gu, Diefeng; Baumgart, Helmut; Abdel-Fattah, Tarek M.; Namkoong, Gon] Appl Res Ctr, CNU&ODU, Jefferson Lab, Newport News, VA 23606 USA.
[Abdel-Fattah, Tarek M.] Christopher Newport Univ, Dept Biol Chem & Environm Sci, Newport News, VA 23606 USA.
RP Baumgart, H (reprint author), Old Dominion Univ, Dept Elect Engn, Norfolk, VA 23529 USA.
EM hbaumgar@odu.edu
RI Gu, Diefeng/F-4515-2010
NR 23
TC 49
Z9 49
U1 2
U2 41
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD FEB
PY 2010
VL 4
IS 2
BP 753
EP 758
DI 10.1021/nn901250w
PG 6
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 556ZI
UT WOS:000274635800022
PM 20085347
ER
PT J
AU Crossland, EJW
Cunha, P
Scroggins, S
Moratti, S
Yurchenko, O
Steiner, U
Hillmyer, M
Ludwigs, S
AF Crossland, Edward J. W.
Cunha, Pedro
Scroggins, Steve
Moratti, Stephen
Yurchenko, Olena
Steiner, Ullrich
Hillmyer, M.
Ludwigs, Sabine
TI Soft-Etch Mesoporous Hole-Conducting Block Copolymer Templates
SO ACS NANO
LA English
DT Article
DE block copolymers; self-assembly; organic photovoltaics; porous materials
ID THIN-FILMS; DIBLOCK COPOLYMERS; POLYMER BRUSHES; DONOR; ARRAYS;
NANOSTRUCTURES; DESIGN
AB We present a mesoporous hole-conducting polymer film resulting from spontaneous block copolymer self-assembly based on a simple spin-coating protocol, A diblock copolymer consisting of a triphenylamine side group polymer and a poly(D,L-lactide) block (PSTPA-b-PLA) is shown to microphase separate to form ordered 13 nm cylindrical PLA microdomains embedded in the semiconducting PSTPA matrix. Partially ordered and film-spanning PLA domains could be identified in films immediately after spin coating from toluene solutions on conducting substrates. Selective mild etching of the minority PLA domains (in weak aqueous base) leads to a mesoporous hole-conducting polymer matrix. The pore structure is replicated electrochemically in platinum, demonstrating the viability of this approach to producing nano-organized heterojunction structures in thin films.
C1 [Crossland, Edward J. W.; Steiner, Ullrich; Ludwigs, Sabine] Univ Freiburg, Freiburg Inst Adv Studies FRIAS, D-79104 Freiburg, Germany.
[Crossland, Edward J. W.; Cunha, Pedro; Steiner, Ullrich] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
[Scroggins, Steve] Univ Calif Berkeley, Div Mat Sci, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Scroggins, Steve] Univ Calif Berkeley, Coll Chem, Berkeley, CA 94720 USA.
[Moratti, Stephen] Univ Otago, Dept Chem, Dunedin, New Zealand.
[Yurchenko, Olena; Ludwigs, Sabine] Univ Freiburg, Freiburg Mat Res Ctr, D-79104 Freiburg, Germany.
[Yurchenko, Olena; Ludwigs, Sabine] Univ Freiburg, Inst Macromol Chem, D-79104 Freiburg, Germany.
[Hillmyer, M.] Univ Minnesota, Dept Chem, Minneapolis, MN 55455 USA.
RP Ludwigs, S (reprint author), Univ Freiburg, Freiburg Inst Adv Studies FRIAS, D-79104 Freiburg, Germany.
EM sabine.ludwigs@makro.uni-freiburg.de
RI Moratti, Stephen/B-4422-2009; Steiner, Ullrich/K-4777-2013
OI Steiner, Ullrich/0000-0001-5936-339X
FU National Science Foundation; Leverhulme Trust; DFG; Landesstiftung BW
FX The authors thank Dr. Chris Newman, Cavendish Laboratories, for
homopolymer FET measurements, and Prof. Jurgen Heinze for discussing the
CV data. E.C. was supported by the EPSRC, M.H. acknowledges support from
the National Science Foundation and the Leverhulme Trust. S.L. and U.S.
acknowledge the European RTN-6 network Polyfilm. S.L. thanks the DFG for
a grant within the Emmy Noether Program and a junior fellowship in the
Freiburg Institute for Advanced Studies (FRIAS). S.L. acknowledges the
Landesstiftung BW for the funding of O.Y.
NR 26
TC 17
Z9 17
U1 2
U2 32
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD FEB
PY 2010
VL 4
IS 2
BP 962
EP 966
DI 10.1021/nn901447a
PG 5
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 556ZI
UT WOS:000274635800048
PM 20099866
ER
PT J
AU Sun, C
Su, KH
Valentine, J
Rosa-Bauza, YT
Ellman, JA
Elboudwarej, O
Mukherjee, B
Craik, CS
Shuman, MA
Chen, FF
Zhang, X
AF Sun, Cheng
Su, Kai-Hung
Valentine, Jason
Rosa-Bauza, Yazmin T.
Ellman, Jonathan A.
Elboudwarej, Omeed
Mukherjee, Bipasha
Craik, Charles S.
Shuman, Marc A.
Chen, Fanqing Frank
Zhang, Xiang
TI Time-Resolved Single-Step Protease Activity Quantification Using
Nanoplasmonic Resonator Sensors
SO ACS NANO
LA English
DT Article
DE plasmonic resonator; surface-enhanced Raman scattering; sensing;
prostate cancer; protease
ID ENHANCED RAMAN-SCATTERING; PROSTATE-SPECIFIC ANTIGEN; PARTITION LAYER;
SPECTROSCOPY; CANCER; SERS; NANOPARTICLES; PROTEINS; DISEASE; PSA
AB Protease activity measurement has broad application in drug screening, diagnosis and disease staging, and molecular profiling. However, conventional immunopeptidemetric assays (IMPA) exhibit low fluorescence signal-to-noise ratios, preventing reliable measurements at lower concentrations in the clinically important picomolar to nanomolar range. Here, we demonstrated a highly sensitive measurement of protease activity using a nanoplasmonic resonator (NPR). NPRs enhance Raman signals by 6.1 x 10(10) times in a highly reproducible manner, enabling fast detection of proteolytically active prostate-specific antigen (paPSA) activities in real-time, at a sensitivity level of 6 pM (0.2 ng/mL) with a dynamic range of 3 orders of magnitude. Experiments on extracellular fluid (ECF) from the paPSA-positive cells demonstrate specific detection in a complex biofluid background. This method offers a fast, sensitive, accurate, and one-step approach to detect the proteases' activities in very small sample volumes.
C1 [Rosa-Bauza, Yazmin T.; Ellman, Jonathan A.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Elboudwarej, Omeed; Mukherjee, Bipasha; Chen, Fanqing Frank] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Craik, Charles S.; Shuman, Marc A.; Chen, Fanqing Frank] Univ Calif San Francisco, Ctr Comprehens Canc, San Francisco, CA 94143 USA.
[Sun, Cheng; Su, Kai-Hung; Valentine, Jason; Zhang, Xiang] Univ Calif Berkeley, Nanoscale Sci & Engn Ctr NSEC, Berkeley, CA 94720 USA.
[Sun, Cheng] Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA.
RP Sun, C (reprint author), Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA.
EM c-sun@northwestern.edu; f_chen@lbl.gov; xiang@berkeley.edu
RI Sun, Cheng/B-7609-2009; Zhang, Xiang/F-6905-2011; Valentine,
Jason/A-6121-2012; Sun, Cheng/A-8111-2010; Ellman, Jonathan/C-7732-2013
OI Sun, Cheng/0000-0002-2744-0896;
FU National Institutes of Health (NIH) [PN2EY018228]; National Science
Foundation (NSF) [CMMI-0751621]; NSFSST/Collaborative Research Program
[DMI-0427679]; NHLBI/NIH [HL078534]; NCI/NIH [R1CA95393-01]; DARPA; UCSF
Prostate Cancer SPORE [P50 CA89520]; U.S. Department of Energy, at the
University of California/Lawrence Berkeley National Laboratory
[DE-AC03-76SF00098]; [P01 CA072006]
FX We thank Dr. R. Oulton for useful discussion and help with the
manuscript. This work is supported by National Institutes of Health
(NIH) through NIH Roadmap for Medical Research (PN2EY018228), National
Science Foundation (NSF) Nanoscale Science and Engineering Center
(CMMI-0751621), and NSFSST/Collaborative Research Program (DMI-0427679).
F.C. is supported by NHLBI/NIH HL078534 and NCI/NIH R1CA95393-01, DARPA,
and UCSF Prostate Cancer SPORE award (NIH Grant P50 CA89520). J.A,E. and
Y.T.R.-B. were supported by P01 CA072006. This work was performed under
the auspices of the U.S. Department of Energy, at the University of
California/Lawrence Berkeley National Laboratory, under Contract No.
DE-AC03-76SF00098.
NR 34
TC 21
Z9 21
U1 2
U2 33
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD FEB
PY 2010
VL 4
IS 2
BP 978
EP 984
DI 10.1021/nn900757p
PG 7
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 556ZI
UT WOS:000274635800050
PM 20121209
ER
PT J
AU Kang, J
Kim, YH
AF Kang, Joongoo
Kim, Yong-Hyun
TI Half-Solidity of Tetrahedral-like Al-55 Clusters
SO ACS NANO
LA English
DT Article
DE aluminum clusters; stability; melting transition; DFT; molecular
dynamics
ID MOLECULAR-DYNAMICS; ALUMINUM CLUSTERS; TRANSITION; UBIQUITIN; PROTEINS;
SYSTEMS
AB A new dynamic melting state, which has both solid and liquid characteristics, is revealed from first-principles molecular dynamics simulations of Al-55 clusters. In thermal fluctuations near the melting point, the low-energy tetrahedral-like Al-55 survives through rapid, collective surface transformations-such as parity conversions and correlated diffusion of two distant vacancies-without losing its structural orders. The emergence of the collective motions is solely due to efficient thermal excitation of soft phonon modes at nanoscale. A series of spontaneous surface reconfigurations result in a mixture or effective flow of surface atoms as is random color shuffling of a Rubik's cube. This novel flexible solid state (termed as half-solidity) provides useful insights into understanding stability, flexibility, and functionality of nanosystems near or below melting temperatures.
C1 [Kang, Joongoo; Kim, Yong-Hyun] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Kim, Yong-Hyun] Korea Adv Inst Sci & Technol, Grad Sch Nanosci & Technol WCU, Taejon 305701, South Korea.
RP Kim, YH (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
EM yong.hyun.kim@kaist.ac.kr
RI Kim, Yong-Hyun/C-2045-2011
OI Kim, Yong-Hyun/0000-0003-4255-2068
FU DOE [DE-AC36-08GO28308]; Ministry of Education, Science and Technology
[R31-2008-000-10071-0]
FX We thank S.-H. Wei and D. Blake for discussions and for reading the
manuscript. This work was funded by the DOE EERE CSP and NREL LDRD
programs under Contract No. DE-AC36-08GO28308. Y.-H. Kim was also
supported by WCU (World Class University) program through the National
Research Foundation of Korea funded by the Ministry of Education,
Science and Technology (R31-2008-000-10071-0).
NR 28
TC 12
Z9 12
U1 0
U2 10
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD FEB
PY 2010
VL 4
IS 2
BP 1092
EP 1098
DI 10.1021/nn901536a
PG 7
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 556ZI
UT WOS:000274635800064
PM 20055435
ER
PT J
AU Pint, CL
Xu, YQ
Moghazy, S
Cherukuri, T
Alvarez, NT
Haroz, EH
Mahzooni, S
Doorn, SK
Kono, J
Pasquali, M
Hauge, RH
AF Pint, Cary L.
Xu, Ya-Qiong
Moghazy, Sharief
Cherukuri, Tonya
Alvarez, Noe T.
Haroz, Erik H.
Mahzooni, Salma
Doorn, Stephen K.
Kono, Junichiro
Pasquali, Matteo
Hauge, Robert H.
TI Dry Contact Transfer Printing of Aligned Carbon Nanotube Patterns and
Characterization of Their Optical Properties for Diameter Distribution
and Alignment
SO ACS NANO
LA English
DT Article
DE carbon nanotubes; carpets; optical absorption; Raman spectroscopy
ID RAMAN-SPECTROSCOPY; GROWTH; FILMS; SPECTRA; CATALYST; CARPETS; ARRAYS;
FLUORESCENCE; TRANSISTORS; SELECTIVITY
AB A scalable and facile approach Is demonstrated where as-grown patterns of well-aligned structures composed of single-walled carbon nanotubes (SWNT) synthesized via water-assisted chemical vapor deposition (CVD) can be transferred, or printed, to any host surface in a single dry, room-temperature step using the growth substrate as a stamp. We demonstrate compatibility of this process with multiple transfers for large-scale device and specifically tailored pattern fabrication. Utilizing this transfer approach, anisotropic optical properties of the SWNT films are probed via polarized absorption, Raman, and photoluminescence spectroscopies. Using a simple model to describe optical transitions in the large SWNT species present in the aligned samples, polarized absorption data are demonstrated as an effective tool for accurate assignment of the diameter distribution from broad absorption features located in the infrared. This can be performed on either well-aligned samples or unaligned doped samples, allowing simple and rapid feedback of the SWNT diameter distribution that can be challenging and time-consuming to obtain in other optical methods. Furthermore, we discuss challenges in accurately characterizing alignment in structures of long versus short carbon nanotubes through optical techniques, where SWNT length makes a difference in the information obtained in such measurements. This work provides new insight to the efficient transfer and optical properties of an emerging class of long, large diameter SWNT species typically produced in the CVD process.
C1 [Cherukuri, Tonya; Alvarez, Noe T.; Pasquali, Matteo; Hauge, Robert H.] Rice Univ, Dept Chem, Houston, TX 77005 USA.
[Pint, Cary L.; Haroz, Erik H.] Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA.
[Kono, Junichiro] Rice Univ, Dept Elect & Comp Engn, Houston, TX 77005 USA.
[Pasquali, Matteo] Rice Univ, Dept Chem & Biomol Engn, Houston, TX 77005 USA.
[Pint, Cary L.; Moghazy, Sharief; Cherukuri, Tonya; Alvarez, Noe T.; Haroz, Erik H.; Mahzooni, Salma; Kono, Junichiro; Hauge, Robert H.] Rice Univ, Richard E Smalley Inst Nanoscale Sci & Technol, Houston, TX 77005 USA.
[Xu, Ya-Qiong] Vanderbilt Univ, Dept Elect Engn & Comp Sci, Nashville, TN 37235 USA.
[Xu, Ya-Qiong] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA.
[Doorn, Stephen K.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA.
RP Hauge, RH (reprint author), Rice Univ, Dept Chem, Houston, TX 77005 USA.
EM hauge@rice.edu
RI Pint, Cary/C-5053-2009; Hauge, Robert/A-7008-2011; Xu,
Yaqiong/D-8649-2012; Pasquali, Matteo/A-2489-2008; Pint,
Cary/I-6785-2013
OI Hauge, Robert/0000-0002-3656-0152; Pasquali, Matteo/0000-0001-5951-395X;
FU Lockheed Martin LANCER program at Rice University
FX The authors thank R.B. Weisman for use of the NIR microscope for
fluorescence measurements, and C.L.P. thanks F. Leonard, S. Sinton, C.
Cates, and others from Lockheed Martin for enlightening discussions, and
S. Ripley for valuable experimental assistance. This work was supported
by the Lockheed Martin LANCER program at Rice University.
NR 81
TC 63
Z9 63
U1 7
U2 42
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD FEB
PY 2010
VL 4
IS 2
BP 1131
EP 1145
DI 10.1021/nn9013356
PG 15
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 556ZI
UT WOS:000274635800069
PM 20092353
ER
PT J
AU Sierra-Sastre, Y
Dayeh, SA
Picraux, ST
Batt, CA
AF Sierra-Sastre, Yajaira
Dayeh, Shadi A.
Picraux, S. T.
Batt, Carl A.
TI Epitaxy of Ge Nanowires Grown from Biotemplated Au Nanoparticle
Catalysts
SO ACS NANO
LA English
DT Article
DE biotemplates; S-layer proteins; nanoparticles; nanowires; germanium;
vapor-liquid-solid; chemical-vapor-deposition
ID S-LAYER PROTEIN; GERMANIUM NANOWIRES; SILICON NANOWIRES; HIGH-DENSITY;
ARRAYS; BIONANOFABRICATION; DIRECTION; LATTICES; MASK
AB Semiconductor nanowires (NWs) are being actively investigated due to their unique functional properties which result from their quasi-one-dimensional structure, However, control over the crystallographic growth direction, diameter, location, and morphology of high-density NWs is essential to achieve the desirable properties and to integrate these NWs into miniaturized devices. This article presents evidence for the suitability of a biological templated catalyst approach to achieve high-density, epitaxial growth of NWs via the vapor-liquid-solid (VLS) mechanism. Bacterial surface-layer protein lattices from Deinococcus radiodurans were adsorbed onto germanium substrates of (111), (110), and (100) crystallographic orientations and used to template gold nanoparticles (AuNPs) of different diameters. Orientation-controlled growth of GeNWs was achieved from very small size (5-20 nm) biotemplated AuNP catalysts on all of the substrates studied. Biotemplated GeNWs exhibited improved morphologies, higher densities (NW/mu m(2)), and more uniform length as compared to GeNWs grown from nontemplated AuNPs on the substrate surfaces, The results offer an integrated overview of the interplay of parameters such as catalyst size, catalyst density, substrate crystallographic orientation, and the presence of the protein template in determining the morphology and growth direction of GeNWs. A comparison between templated and nontemplated growth provides additional insight into the mechanism of VLS growth of biotemplated NWs.
C1 [Sierra-Sastre, Yajaira] Cornell Univ, Dept Chem & Biol Chem, Ithaca, NY 14853 USA.
[Batt, Carl A.] Cornell Univ, Dept Food Sci, Ithaca, NY 14853 USA.
[Dayeh, Shadi A.; Picraux, S. T.] Los Alamos Natl Lab, CINT, Los Alamos, NM 87545 USA.
RP Sierra-Sastre, Y (reprint author), Cornell Univ, Dept Chem & Biol Chem, Ithaca, NY 14853 USA.
EM ys253@cornell.edu
RI Dayeh, Shadi/H-5621-2012
FU National Science Foundation [NSF-0403990, ECS-0335765, DMR0520404]; U.S.
DOE; NNSA; Laboratory Directed Research and Development Program at Los
Alamos National Laboratory
FX The National Science Foundation (NSF-0403990), U.S. DOE, NNSA, and the
Laboratory Directed Research and Development Program at Los Alamos
National Laboratory are acknowledged for supporting this work. Y.S.S.
also thanks the Cornell Provost Diversity Graduate Fellowship for
partial financial support. This work was performed, in part, at the
Center for Integrated Nanotechnologies, a U.S. Department of Energy,
Office of Basic Energy Sciences user facility, the Cornell Nanoscale
Science and Technology Facility (NSF Grant ECS-0335765), and the
Microscopy Facility at the Cornell Center for Materials Research
(NSF-MRSEC Programs DMR0520404).
NR 30
TC 15
Z9 15
U1 1
U2 18
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1936-0851
J9 ACS NANO
JI ACS Nano
PD FEB
PY 2010
VL 4
IS 2
BP 1209
EP 1217
DI 10.1021/nn901664r
PG 9
WC Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience &
Nanotechnology; Materials Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 556ZI
UT WOS:000274635800077
PM 20128609
ER
PT J
AU Baker, EN
Dauter, Z
Einspahr, H
Weiss, MS
AF Baker, Edward N.
Dauter, Zbigniew
Einspahr, Howard
Weiss, Manfred S.
TI In defence of our science - validation now!
SO ACTA CRYSTALLOGRAPHICA SECTION D-BIOLOGICAL CRYSTALLOGRAPHY
LA English
DT Editorial Material
C1 [Baker, Edward N.] Univ Auckland, Sch Biol Sci, Auckland 1, New Zealand.
[Dauter, Zbigniew] NCI, Argonne Natl Lab, Biosci Div, Argonne, IL 60439 USA.
[Weiss, Manfred S.] Macromol Crystallog BESSY MX, Elektronenspeicherring BESSY 2, Inst F 12, D-12489 Berlin, Germany.
RP Baker, EN (reprint author), Univ Auckland, Sch Biol Sci, Private Bag 92-019, Auckland 1, New Zealand.
RI Weiss, Manfred/B-6857-2013
NR 1
TC 6
Z9 6
U1 0
U2 1
PU WILEY-BLACKWELL PUBLISHING, INC
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0907-4449
J9 ACTA CRYSTALLOGR D
JI Acta Crystallogr. Sect. D-Biol. Crystallogr.
PD FEB
PY 2010
VL 66
BP 115
EP 115
DI 10.1107/S0907444910001332
PN 2
PG 1
WC Biochemical Research Methods; Biochemistry & Molecular Biology;
Biophysics; Crystallography
SC Biochemistry & Molecular Biology; Biophysics; Crystallography
GA 546OT
UT WOS:000273820800001
PM 20124690
ER
PT J
AU Adams, PD
Afonine, PV
Bunkoczi, G
Chen, VB
Davis, IW
Echols, N
Headd, JJ
Hung, LW
Kapral, GJ
Grosse-Kunstleve, RW
McCoy, AJ
Moriarty, NW
Oeffner, R
Read, RJ
Richardson, DC
Richardson, JS
Terwilliger, TC
Zwart, PH
AF Adams, Paul D.
Afonine, Pavel V.
Bunkoczi, Gabor
Chen, Vincent B.
Davis, Ian W.
Echols, Nathaniel
Headd, Jeffrey J.
Hung, Li-Wei
Kapral, Gary J.
Grosse-Kunstleve, Ralf W.
McCoy, Airlie J.
Moriarty, Nigel W.
Oeffner, Robert
Read, Randy J.
Richardson, David C.
Richardson, Jane S.
Terwilliger, Thomas C.
Zwart, Peter H.
TI PHENIX: a comprehensive Python-based system for macromolecular structure
solution
SO ACTA CRYSTALLOGRAPHICA SECTION D-BIOLOGICAL CRYSTALLOGRAPHY
LA English
DT Article
ID STATISTICAL DENSITY MODIFICATION; FAST TRANSLATION FUNCTIONS; MOLECULAR
REPLACEMENT; MAXIMUM-LIKELIHOOD; STRUCTURE VALIDATION;
CRYSTAL-STRUCTURE; NUCLEIC-ACIDS; ATOM CONTACTS; RNA BACKBONE; MODEL
BIAS
AB Macromolecular X-ray crystallography is routinely applied to understand biological processes at a molecular level. However, significant time and effort are still required to solve and complete many of these structures because of the need for manual interpretation of complex numerical data using many software packages and the repeated use of interactive three-dimensional graphics. PHENIX has been developed to provide a comprehensive system for macromolecular crystallographic structure solution with an emphasis on the automation of all procedures. This has relied on the development of algorithms that minimize or eliminate subjective input, the development of algorithms that automate procedures that are traditionally performed by hand and, finally, the development of a framework that allows a tight integration between the algorithms.
C1 [Adams, Paul D.; Afonine, Pavel V.; Echols, Nathaniel; Grosse-Kunstleve, Ralf W.; Moriarty, Nigel W.; Zwart, Peter H.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Adams, Paul D.] UC Berkeley, Dept Bioengn, Berkeley, CA 94720 USA.
[Bunkoczi, Gabor; McCoy, Airlie J.; Oeffner, Robert; Read, Randy J.] Univ Cambridge, Cambridge Inst Med Res, Dept Haematol, Cambridge CB2 0XY, England.
[Chen, Vincent B.; Davis, Ian W.; Headd, Jeffrey J.; Kapral, Gary J.; Richardson, David C.; Richardson, Jane S.] Duke Univ, Med Ctr, Dept Biochem, Durham, NC 27710 USA.
[Hung, Li-Wei; Terwilliger, Thomas C.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Adams, PD (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
EM pdadams@lbl.gov
RI Terwilliger, Thomas/K-4109-2012; Read, Randy/L-1418-2013; Adams,
Paul/A-1977-2013;
OI Terwilliger, Thomas/0000-0001-6384-0320; Read,
Randy/0000-0001-8273-0047; Adams, Paul/0000-0001-9333-8219; Hung,
Li-Wei/0000-0001-6690-8458
FU NIH [GM063210]; Phenix Industrial Consortium; US Department of Energy
[DE-AC02-05CH11231]; Wellcome Trust (UK)
FX The authors would like to thank the NIH (grant GM063210) and the Phenix
Industrial Consortium for support of the Phenix project. This work was
supported in part by the US Department of Energy under Contract No.
DE-AC02-05CH11231. RJR is supported by a Principal Research Fellowship
from the Wellcome Trust (UK). We are grateful to Luc Bourhis and Marat
Mustyakimov for contributions to the computational crystallography
toolbox and PHENIX, Paul Emsley and Bernhard Lohkamp for their guidance
interfacing PHENIX with Coot, the CCP4 developers for making the CCP4
library available for inclusion in PHENIX, Kevin Cowtan for providing
C++ sequence-alignment code, Garib Murshudov and Alexei Vagin for making
the monomer library available and our colleagues in the crystallographic
community for numerous scientific discussions. We are deeply indebted to
David Abrahams for numerous discussions and for accommodating our
requirements when developing the Boost. Python library.
NR 78
TC 6689
Z9 6720
U1 42
U2 295
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0907-4449
J9 ACTA CRYSTALLOGR D
JI Acta Crystallogr. Sect. D-Biol. Crystallogr.
PD FEB
PY 2010
VL 66
BP 213
EP 221
DI 10.1107/S0907444909052925
PN 2
PG 9
WC Biochemical Research Methods; Biochemistry & Molecular Biology;
Biophysics; Crystallography
SC Biochemistry & Molecular Biology; Biophysics; Crystallography
GA 546OT
UT WOS:000273820800013
PM 20124702
ER
PT J
AU Thimmaiah, S
Miller, GJ
AF Thimmaiah, Srinivasa
Miller, Gordon J.
TI Pd2.28(1)Zn10.37(1)Al0.35(1), a ternary gamma-brass-type structure
SO ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE
LA English
DT Article
ID PHASE
AB Palladium zinc aluminium (2.28/10.37/0.35), Pd2.28(1)Zn10.37(1)-Al-0.35(1), represents the upper limit of Al substitution into the parent cubic gamma-brass Pd2+xZn11-x. The structure can be described in terms of a 26-atom cluster consisting of an inner tetrahedron (IT), an outer tetrahedron (OT), an octahedron (OH) and a cuboctahedron (CO), with the substituted Al atoms partially occupying the IT (.3m) and CO (..m) sites.
C1 [Thimmaiah, Srinivasa] Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
RP Thimmaiah, S (reprint author), Iowa State Univ, Dept Chem, Ames, IA 50011 USA.
EM srini@iastate.edu
RI Thimmaiah, Srinivasa/H-1049-2012
FU US Department of Energy by Iowa State University [DE-AC02-07CH11358]
FX This work was carried out at the Ames Laboratory, which is operated for
the US Department of Energy by Iowa State University under contract No.
DE-AC02-07CH11358. This work was supported by the Materials Sciences
Division of the Office of Basic Energy Sciences of the US Department of
Energy.
NR 12
TC 4
Z9 4
U1 1
U2 5
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1600-5368
J9 ACTA CRYSTALLOGR E
JI Acta Crystallogr. Sect. E.-Struct Rep. Online
PD FEB
PY 2010
VL 66
BP I5
EP U129
DI 10.1107/S1600536810000723
PN 2
PG 9
WC Crystallography
SC Crystallography
GA 550GB
UT WOS:000274115200003
PM 21579591
ER
PT J
AU Baker, EN
Dauter, Z
Einspahr, H
Weiss, MS
AF Baker, Edward N.
Dauter, Zbigniew
Einspahr, Howard
Weiss, Manfred S.
TI In defence of our science - validation now!
SO ACTA CRYSTALLOGRAPHICA SECTION F-STRUCTURAL BIOLOGY AND CRYSTALLIZATION
COMMUNICATIONS
LA English
DT Editorial Material
C1 [Baker, Edward N.] Univ Auckland, Sch Biol Sci, Auckland 1, New Zealand.
[Dauter, Zbigniew] Argonne Natl Lab, NCI, Biosci Div, Argonne, IL 60439 USA.
[Weiss, Manfred S.] Elektronenspeicherring BESSY II, Inst F12, Macromol Crystallog BESSY MX, D-12489 Berlin, Germany.
RP Baker, EN (reprint author), Univ Auckland, Sch Biol Sci, Private Bag 92-019, Auckland 1, New Zealand.
NR 1
TC 2
Z9 2
U1 0
U2 1
PU WILEY-BLACKWELL PUBLISHING, INC
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1744-3091
J9 ACTA CRYSTALLOGR F
JI Acta Crystallogr. F-Struct. Biol. Cryst. Commun.
PD FEB
PY 2010
VL 66
BP 112
EP 112
DI 10.1107/S1744309110001326
PN 2
PG 1
WC Biochemical Research Methods; Biochemistry & Molecular Biology;
Biophysics; Crystallography
SC Biochemistry & Molecular Biology; Biophysics; Crystallography
GA 549WR
UT WOS:000274085600001
PM 20124704
ER
PT J
AU Mottura, A
Warnken, N
Miller, MK
Finnis, MW
Reed, RC
AF Mottura, A.
Warnken, N.
Miller, M. K.
Finnis, M. W.
Reed, R. C.
TI Atom probe tomography analysis of the distribution of rhenium in nickel
alloys
SO ACTA MATERIALIA
LA English
DT Article
DE Nickel alloys; Atom probe tomography; Rhenium-effect
ID NI-BASE SUPERALLOYS; CR-AL SUPERALLOY; TEMPORAL EVOLUTION; PHASE;
CHEMISTRY; INTERDIFFUSION; NANOSTRUCTURE; SPECTROSCOPY; NANOSCALE;
SYSTEMS
AB Atom probe tomography (APT) is used to characterise the distributions of rhenium in a binary Ni-Re alloy and the nickel-based single-crystal CMSX-4 superalloy. A purpose-built algorithm is developed to quantify the size distribution of solute clusters, and applied to the APT datasets to critique the hypothesis that rhenium is prone to the formation of clusters in these systems. No evidence is found to indicate that rhenium forms solute clusters above the level expected from random fluctuations. In CMSX-4, enrichment of Re is detected in the matrix phase close to the matrix/precipitate (gamma/gamma') phase boundaries. Phase field modelling indicates that this is due to the migration of the gamma/gamma' interface during cooling from the temperature of operation. Thus, neither clustering of rhenium nor interface enrichments can be the cause of the enhancement in high temperature mechanical properties conferred by rhenium, alloying. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Warnken, N.; Reed, R. C.] Univ Birmingham, Dept Met & Mat, Birmingham B15 2TT, W Midlands, England.
[Mottura, A.; Finnis, M. W.] Univ London Imperial Coll Sci Technol & Med, Dept Mat, London SW7 2AZ, England.
[Miller, M. K.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Finnis, M. W.] Univ London Imperial Coll Sci Technol & Med, Dept Phys, London SW7 2AZ, England.
RP Reed, RC (reprint author), Univ Birmingham, Dept Met & Mat, Birmingham B15 2TT, W Midlands, England.
EM r.reed@bham.ac.uk
RI Warnken, Nils/K-2537-2013; Mottura, Alessandro/D-6204-2016
OI Mottura, Alessandro/0000-0002-6020-8597
FU EPSRC [EP/D04619X/1]; Scientific User Facilities Division, Office of
Science, U.S. Department of Energy
FX Four of the authors (Mottura, Warnken, Finnis and Reed) acknowledge
funding from the EPSRC Grant EP/D04619X/1. Research at the ORNL's SHaRE
User Facility was sponsored by the Scientific User Facilities Division,
Office of Science, U.S. Department of Energy.
NR 39
TC 42
Z9 43
U1 6
U2 56
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6454
J9 ACTA MATER
JI Acta Mater.
PD FEB
PY 2010
VL 58
IS 3
BP 931
EP 942
DI 10.1016/j.actamat.2009.10.008
PG 12
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 558SH
UT WOS:000274765600020
ER
PT J
AU Weyant, CM
Almer, J
Faber, KT
AF Weyant, C. M.
Almer, J.
Faber, K. T.
TI Through-thickness determination of phase composition and residual
stresses in thermal barrier coatings using high-energy X-rays
SO ACTA MATERIALIA
LA English
DT Article
DE Plasma spraying; X-ray diffraction; Crystalline oxides; Coatings;
Residual stresses
ID STABILIZED-ZIRCONIA TBCS; PLASMA-SPRAYED COATINGS; GROWN OXIDE;
MICROSTRUCTURAL EVOLUTION; DEPOSITION TEMPERATURE; ELASTOPLASTIC
ANALYSIS; LAYERED MATERIALS; TANTALUM OXIDE; DIFFRACTION; SPECTROSCOPY
AB High-energy X-rays were used to determine the local phase composition and residual stresses through the thickness of as-sprayed and heat-treated plasma-sprayed thermal barrier coatings consisting of a NiCoCrAlY bond coat and an yttria-stabilized zirconia (YSZ) topcoat produced with through-thickness segmentation cracks. The as-sprayed residual stresses reflected the combined influence of quenching stresses from the plasma spray process, thermal expansion mismatch between the topcoat, bond coat and substrate, and stress relief from the segmentation cracks. Heat treatments led to the formation of a thermally grown oxide (TGO) which was in compression in the plane, as well as relief of quenching stresses and development of a stress gradient in the YSZ topcoat. The high-energy X-ray technique used in this study revealed the effects that TGO and segmentation cracks have on the in-plane stress state of the entire coating. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Weyant, C. M.; Faber, K. T.] Northwestern Univ, Robert R McCormick Sch Engn & Appl Sci, Dept Mat Sci & Engn, Evanston, IL 60208 USA.
[Almer, J.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Weyant, CM (reprint author), SUNY Stony Brook, Dept Mat Sci & Engn, Stony Brook, NY USA.
EM christopher.weyant@stonybrook.edu
RI Faber, Katherine/B-6741-2009
FU US Department of Energy, Office of Science, Office of Basic Energy
Science [DE-AC02-06CH11357]
FX Use of the Advanced Photon Source was supported by the US Department of
Energy, Office of Science, Office of Basic Energy Science, under
Contract No. DE-AC02-06CH11357.
NR 49
TC 20
Z9 25
U1 4
U2 28
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6454
J9 ACTA MATER
JI Acta Mater.
PD FEB
PY 2010
VL 58
IS 3
BP 943
EP 951
DI 10.1016/j.actamat.2009.10.010
PG 9
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 558SH
UT WOS:000274765600021
ER
PT J
AU Jana, S
Mishra, RS
Baumann, JB
Grant, G
AF Jana, S.
Mishra, R. S.
Baumann, J. B.
Grant, G.
TI Effect of friction stir processing on fatigue behavior of an investment
cast Al-7Si-0.6 Mg alloy
SO ACTA MATERIALIA
LA English
DT Article
DE Aluminum alloys; Friction stir processing; Fatigue; Microstructure
ID CRACK GROWTH-CHARACTERISTICS; ALUMINUM-ALLOYS; HEAT-TREATMENT; A356
ALLOY; MICROSTRUCTURE; STRENGTH; DEFECTS; MECHANISMS; PARTICLES;
FRACTURE
AB Cast aluminum alloys in general show poor fatigue performance due to the presence of defects. Friction stir processing (FSP) can be used as a tool to enhance the mechanical properties of cast alloys by eliminating such defects. In the present study FSP led to a five times improvement in fatigue life of an investment cast Al-7Si-0.6 Mg hypoeutectic alloy. The reason for such an enhancement was linked to the closure of casting porosities, which acted as crack nucleation sites in the as cast condition. Porosities acted as notches in the as cast alloy and led to an order of magnitude higher crack growth rate. As FSP eliminated the porosities and refined the Si particles the crack growth rate dropped, due to elimination of the notch effect, together with increased crack path tortuosity. Finally, short crack behavior was noted in both the cast and FSP specimens. The critical crack length, where a transition from a short crack to a long crack behavior took place is related to the respective microstructural characteristic dimensions. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Mishra, R. S.] Missouri Univ Sci & Technol, Dept Mat Sci & Engn, Rolla, MO 65409 USA.
[Baumann, J. B.] Boeing Co, St Louis, MO 63166 USA.
[Jana, S.; Grant, G.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Mishra, RS (reprint author), Missouri Univ Sci & Technol, Dept Mat Sci & Engn, B37 McNutt Hall, Rolla, MO 65409 USA.
EM rsmishra@mst.edu
RI Mishra, Rajiv/A-7985-2009
OI Mishra, Rajiv/0000-0002-1699-0614
FU NSF-IIP [0531019]; agency of the US Government
FX This work was performed under the NSF-IUCRC for Friction Stir
Processing. The additional support of NSF-IIP (0531019), GM and Friction
Stir Link for the Missouri S&T site is acknowledged. This report was
prepared as an account of work sponsored by an agency of the US
Government. The views and opinions of the authors expressed herein do
not necessarily state or reflect those of the US Government or any
agency thereof.
NR 49
TC 33
Z9 34
U1 4
U2 13
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6454
J9 ACTA MATER
JI Acta Mater.
PD FEB
PY 2010
VL 58
IS 3
BP 989
EP 1003
DI 10.1016/j.actamat.2009.10.015
PG 15
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 558SH
UT WOS:000274765600026
ER
PT J
AU Taylor, CD
Lookman, T
Lillard, RS
AF Taylor, Christopher D.
Lookman, Turab
Lillard, R. Scott
TI Ab initio calculations of the uranium-hydrogen system: Thermodynamics,
hydrogen saturation of alpha-U and phase-transformation to UH3
SO ACTA MATERIALIA
LA English
DT Article
DE Hydrides; Thermodynamics; Density functional theory; Uranium; Phase
transformation
ID BILBAO CRYSTALLOGRAPHIC SERVER; BRILLOUIN-ZONE INTEGRATIONS; CRYSTALS;
NONSTOICHIOMETRY; SOLUBILITY; SURFACES; HYDRIDE; METALS
AB Total energy calculations based on density functional theory (DFT) have been performed for various uranium-hydrogen configurations relevant to the uranium hydriding reaction. Herein, we investigate the transformation of the supersaturated alpha-U lattice to the alpha-UH3 lattice, where alpha-UH3 is believed to be a precursor to the formation of beta-UH3, the stable phase of UH3. The total energy DFT calculations for alpha- and beta-UH3 were validated by comparing the predicted and measured decomposition temperatures of the hydride at standard pressure. Calculated energies also confirm the metastability of alpha-UH3 vs. beta-UH3. Computational group theory and DFT calculations elucidate this transition, and indicate that the transformation itself is kinetically facile. On the basis of this work, it is proposed that the formation of the volume-expanded, H-saturated alpha-U phase is the primary kinetic barrier to hydride formation. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Taylor, Christopher D.; Lookman, Turab; Lillard, R. Scott] Los Alamos Natl Lab, Div Mat Sci & Technol, Mat Corros & Environm Effects Lab, Los Alamos, NM 87545 USA.
RP Taylor, CD (reprint author), Los Alamos Natl Lab, Div Mat Sci & Technol, Mat Corros & Environm Effects Lab, MST 6, Los Alamos, NM 87545 USA.
EM cdtaylor@lanl.gov
OI Lookman, Turab/0000-0001-8122-5671
NR 42
TC 24
Z9 24
U1 2
U2 35
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6454
J9 ACTA MATER
JI Acta Mater.
PD FEB
PY 2010
VL 58
IS 3
BP 1045
EP 1055
DI 10.1016/j.actamat.2009.10.021
PG 11
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 558SH
UT WOS:000274765600031
ER
PT J
AU Pant, P
Budai, JD
Narayan, J
AF Pant, P.
Budai, J. D.
Narayan, J.
TI Nonpolar ZnO film growth and mechanism for anisotropic in-plane strain
relaxation
SO ACTA MATERIALIA
LA English
DT Article
DE Epitaxy; Nonpolar; Anisotropic strain; X-ray; TEM
ID M-PLANE; EPITAXY; TEMPERATURE; SAPPHIRE
AB Using high-resolution transmission electron microscopy (HRTEM) and X-ray diffraction, we investigated the strain relaxation mechanisms for nonpolar (1 1 -2 0) a-plane ZnO epitaxy on (1 -1 0 2) r-plane sapphire, where the in-plane misfit ranges from -1.5% for the [0 0 0 1]ZnO parallel to[1 -1 0 -1]sapphire to -18.3% for the [-1 1 0 0]ZnO parallel to[-1 -1 2 0]sapphire direction. For the large misfit [-1 1 0 0]ZnO direction the misfit strains are fully relaxed at the growth temperature, and only thermal misfit and defect strains, which cannot be relaxed fully by slip dislocations, remain on cooling. For the small misfit direction, lattice misfit is not fully relaxed at the growth temperature. As a result, additive unrelaxed lattice and thermal misfit and defect strains contribute to the measured strain. Our X-ray diffraction measurements of lattice parameters show that the anisotropic in-plane biaxial strain leads to a distortion of the hexagonal symmetry of the ZnO basal plane. Based on the anisotropic strain relaxation observed along the orthogonal in-plane [-1 1 0 0] and [0 0 0 1]ZnO stress directions and our HRTEM investigations of the interface, we show that the plastic relaxation occurring in the small misfit direction [0 0 0 1]ZnO by dislocation nucleation is incomplete. These results are consistent with the domain-matching paradigm of a complete strain relaxation for large misfits and a difficulty in relaxing the film strain for small misfits. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Pant, P.; Narayan, J.] N Carolina State Univ, Dept Mat Sci & Engn, EB I, Raleigh, NC 27695 USA.
[Budai, J. D.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP Pant, P (reprint author), N Carolina State Univ, Dept Mat Sci & Engn, EB I, Centennial Campus, Raleigh, NC 27695 USA.
EM ppant@ncsu.edu
RI Budai, John/R-9276-2016
OI Budai, John/0000-0002-7444-1306
FU National Science Foundation; DOE Office of Science, Division of Material
Sciences & Engineering under contract with ORNL
FX The research was supported by the National Science Foundation. The work
was also supported by the DOE Office of Science, Division of Material
Sciences & Engineering under contract with ORNL, managed by UT-Battelle,
LLC.
NR 18
TC 48
Z9 48
U1 3
U2 34
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6454
EI 1873-2453
J9 ACTA MATER
JI Acta Mater.
PD FEB
PY 2010
VL 58
IS 3
BP 1097
EP 1103
DI 10.1016/j.actamat.2009.10.026
PG 7
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 558SH
UT WOS:000274765600035
ER
PT J
AU Lee, G
Kim, JY
Budiman, AS
Tamura, N
Kunz, M
Chen, K
Burek, MJ
Greer, JR
Tsui, TY
AF Lee, Gyuhyon
Kim, Ju-Young
Budiman, Arief Suriadi
Tamura, Nobumichi
Kunz, Martin
Chen, Kai
Burek, Michael J.
Greer, Julia R.
Tsui, Ting Y.
TI Fabrication, structure and mechanical properties of indium nanopillars
SO ACTA MATERIALIA
LA English
DT Article
DE Plastic deformation; X-ray diffraction; Compression test;
Electroplating; Yield phenomena
ID CRYSTAL PLASTICITY; SIZE DEPENDENCE; MICRON SCALE; COMPRESSION;
NANOWIRES; BEHAVIOR; PILLARS; COPPER; GOLD
AB Solid and hollow cylindrical indium pillars with nanoscale diameters were prepared using electron beam lithography followed by the electroplating fabrication method. The microstructure of the solid-core indium pillars was characterized by scanning micro-X-ray diffraction, which shows that the indium pillars were annealed at room temperature with very few dislocations remaining in the samples. The mechanical properties of the solid pillars were characterized using a uniaxial microcompression technique, which demonstrated that the engineering yield stress is similar to 9 times greater than bulk and is similar to 1/28 of the indium shear modulus, suggesting that the attained stresses are close to theoretical strength. Microcompression of hollow indium nanopillars showed evidence of brittle fracture. This may suggest that the failure mode for one of the most ductile metals can become brittle when the feature size is sufficiently small. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
C1 [Lee, Gyuhyon; Burek, Michael J.; Tsui, Ting Y.] Univ Waterloo, Waterloo Inst Nanotechnol, Waterloo, ON N2L 3G1, Canada.
[Tamura, Nobumichi; Kunz, Martin; Chen, Kai] Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Source, Berkeley, CA 94720 USA.
[Budiman, Arief Suriadi] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA.
[Kim, Ju-Young; Greer, Julia R.] CALTECH, Div Engn & Appl Sci, Pasadena, CA 91125 USA.
RP Tsui, TY (reprint author), Univ Waterloo, Waterloo Inst Nanotechnol, 200 Univ Ave W, Waterloo, ON N2L 3G1, Canada.
EM tttsui@uwaterloo.ca
RI Kunz, Martin/K-4491-2012; Chen, Kai/O-5662-2014
OI Kunz, Martin/0000-0001-9769-9900; Chen, Kai/0000-0002-4917-4445
FU Canadian NSERC Discovery; RTI; Director, Office of Science, Office of
Basic Energy Sciences, Materials Sciences Division, of the US Department
of Energy [DE-AC02-05CH11231]; NSF [0416243]; Director, Los Alamos
National Laboratory (LANL); Director's Postdoctoral Fellowship program
[20090513PRD2]
FX The authors gratefully acknowledge critical support and infrastructure
provided for this work by the Kavli Nanoscience Institute at Caltech and
the Western Nanofabrication Facility at the University of Western
Ontario. T.Y. Tsui thanks Easo George, George M. Pharr, and Joost J.
Vlassak for valuable discussions. His research projects are partially
supported by Canadian NSERC Discovery and RTI Grants. TYT would like to
thank Arash Tajik for his assistance in this project. The Advanced Light
Source is supported by the Director, Office of Science, Office of Basic
Energy Sciences, Materials Sciences Division, of the US Department of
Energy under Contract No. DE-AC02-05CH11231 at Lawrence Berkeley
National Laboratory and University of California, Berkeley, California.
The move of the micro-diffraction program from ALS beamline 7.3.3 onto
to the ALS superbend source 12.3.2 was enabled through the NSF Grant
#0416243. One of the authors (ASB) is supported by the Director, Los
Alamos National Laboratory (LANL), under the Director's Postdoctoral
Fellowship program (#20090513PRD2).
NR 29
TC 24
Z9 24
U1 1
U2 20
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1359-6454
J9 ACTA MATER
JI Acta Mater.
PD FEB
PY 2010
VL 58
IS 4
BP 1361
EP 1368
DI 10.1016/j.actamat.2009.10.042
PG 8
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 556TS
UT WOS:000274616000017
ER
PT J
AU Durakiewicz, T
Riseborough, PS
Batista, CD
Yang, Y
Oppeneer, PM
Joyce, JJ
Bauer, ED
Graham, KS
AF Durakiewicz, T.
Riseborough, P. S.
Batista, C. D.
Yang, Y.
Oppeneer, P. M.
Joyce, J. J.
Bauer, E. D.
Graham, K. S.
TI Quest for Band Renormalization and Self-Energy in Correlated f-Electron
Systems
SO ACTA PHYSICA POLONICA A
LA English
DT Article; Proceedings Paper
CT 8th National Meeting of the Synchrotron Radiation Users
CY SEP 24-26, 2009
CL Podlesice, POLAND
ID ANGLE-RESOLVED PHOTOEMISSION; SUPERCONDUCTORS; TRANSITION; ITINERANT
AB Coexisting low-energy scales are observed in f-electron materials. The information about some of low-energy scales is imprinted in the electron self-energy, which can be measured by angle-resolved photoemission (ARPES). Such measurements in d-electron materials over the last decade were based on high energy- and momentum-resolution ARPES techniques used to extract the self-energy information from measured spectra. Simultaneously, many-body theoretical approaches have been developed to find a link between the self-energy and many-body interactions. Here we show the transcription of such methods from d-electrons to f-electrons by presenting the first example of low energy scales in the f-electron material USb2, measured with synchrotron-based ARPES. The proposed approach will help in answering the fundamental questions about the complex nature of the heavy fermion state.
C1 [Durakiewicz, T.; Batista, C. D.; Yang, Y.; Joyce, J. J.; Bauer, E. D.; Graham, K. S.] Los Alamos Natl Lab, Condensed Matter & Thermal Phys Grp, Los Alamos, NM 87545 USA.
[Riseborough, P. S.] Temple Univ, Dept Phys, Philadelphia, PA 19122 USA.
[Oppeneer, P. M.] Uppsala Univ, Dept Phys & Mat Sci, S-75121 Uppsala, Sweden.
RP Durakiewicz, T (reprint author), Los Alamos Natl Lab, Condensed Matter & Thermal Phys Grp, Mailstop K764, Los Alamos, NM 87545 USA.
EM tomasz@lanl.gov
RI Bauer, Eric/D-7212-2011; Riseborough, Peter/D-4689-2011;
OI Durakiewicz, Tomasz/0000-0002-1980-1874
NR 14
TC 1
Z9 1
U1 1
U2 6
PU POLISH ACAD SCIENCES INST PHYSICS
PI WARSAW
PA AL LOTNIKOW 32-46, PL-02-668 WARSAW, POLAND
SN 0587-4246
J9 ACTA PHYS POL A
JI Acta Phys. Pol. A
PD FEB
PY 2010
VL 117
IS 2
BP 264
EP 267
PG 4
WC Physics, Multidisciplinary
SC Physics
GA 599YN
UT WOS:000277950400003
ER
PT J
AU Catalli, K
Shim, SH
Prakapenka, VB
Zhao, J
Sturhahn, W
AF Catalli, K.
Shim, S. -H.
Prakapenka, V. B.
Zhao, J.
Sturhahn, W.
TI X-ray diffraction and Mossbauer spectroscopy of Fe3+-bearing Mg-silicate
post-perovskite at 128-138 GPa
SO AMERICAN MINERALOGIST
LA English
DT Article
DE Post-perovskite; spin state of iron; ferric iron; X-ray diffraction;
Mossbauer spectroscopy
ID SPIN FERROUS IRON; EQUATION-OF-STATE; EARTHS MANTLE; PHASE;
POSTPEROVSKITE; COMPRESSION; MGSIO3; LAYER
AB The effect of ferric iron oil the properties of Mg-silicate post-perovskite (PPv) were studied Up to 138 GPa using synchrotron X-ray diffraction and Mossbauer spectroscopy. Our diffraction Measurements revealed that the incorporation of Fe3+ has virtually no effect oil the volume of PPv,, in contrast to Fe2+, which increases the volume. Therefore, incorporation of Fe3+ increases the density of PPv much more effectively than Fe. Mossbauer spectroscopy suggests that Fe3+ enters PPv through charge-coupled Substitution and is high spin ill the bipolar prismatic site and low spin in the octahedral site (i.e., mixed spin state). Our results may have important implications I'm the gravitational stability of lower-mantle heterogeneities.
C1 [Catalli, K.; Shim, S. -H.] MIT, Dept Earth Atmospher & Planetary Sci, Cambridge, MA 02139 USA.
[Prakapenka, V. B.; Zhao, J.] Univ Chicago, Consortium Adv Radiat Sources, Chicago, IL 60637 USA.
[Sturhahn, W.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Catalli, K (reprint author), MIT, Dept Earth Atmospher & Planetary Sci, Cambridge, MA 02139 USA.
EM krystle@mit.edu
OI Shim, Sang-Heon/0000-0001-5203-6038
NR 32
TC 17
Z9 17
U1 1
U2 15
PU MINERALOGICAL SOC AMER
PI CHANTILLY
PA 3635 CONCORDE PKWY STE 500, CHANTILLY, VA 20151-1125 USA
SN 0003-004X
EI 1945-3027
J9 AM MINERAL
JI Am. Miner.
PD FEB-MAR
PY 2010
VL 95
IS 2-3
BP 418
EP 421
DI 10.2138/am.2010.3352
PG 4
WC Geochemistry & Geophysics; Mineralogy
SC Geochemistry & Geophysics; Mineralogy
GA 555KG
UT WOS:000274509000025
ER
PT J
AU Vardeman, SB
Wendelberger, JR
Burr, T
Hamada, MS
Moore, LM
Jobe, JM
Morris, MD
Wu, HQ
AF Vardeman, Stephen B.
Wendelberger, Joanne R.
Burr, Tom
Hamada, Michael S.
Moore, Leslie M.
Jobe, J. Marcus
Morris, Max D.
Wu, Huaiqing
TI Elementary Statistical Methods and Measurement Error
SO AMERICAN STATISTICIAN
LA English
DT Article
DE Accuracy; Bias; Calibration; Data collection; Linearity; Precision;
Repeatability; Reproducibility; Statistical education
AB How the sources of physical variation interact with a data collection plan determines what can be learned from the resulting dataset, and in particular, how measurement error is reflected in the dataset. The implications of this fact are rarely given much attention in most statistics courses. Even the most elementary statistical methods have their practical effectiveness limited by measurement variation; and understanding how measurement variation interacts with data collection and the methods is helpful in quantifying the nature of measurement error. We illustrate how simple one- and two-sample statistical methods can be effectively used in introducing important concepts of metrology and the implications of those concepts when drawing conclusions from data.
C1 [Vardeman, Stephen B.; Morris, Max D.; Wu, Huaiqing] Iowa State Univ, Dept Stat, Ames, IA 50011 USA.
[Vardeman, Stephen B.] Iowa State Univ, Dept Ind & Mfg Syst Engn, Ames, IA 50011 USA.
[Wendelberger, Joanne R.; Burr, Tom; Hamada, Michael S.; Moore, Leslie M.] Los Alamos Natl Lab, Stat Sci Grp, Los Alamos, NM 87545 USA.
[Jobe, J. Marcus] Miami Univ, Farmer Sch Business, Oxford, OH 45056 USA.
RP Vardeman, SB (reprint author), Iowa State Univ, Dept Stat, Ames, IA 50011 USA.
EM vardeman@iastate.edu
OI Wendelberger, Joanne/0000-0001-5879-3945
NR 3
TC 1
Z9 1
U1 1
U2 5
PU AMER STATISTICAL ASSOC
PI ALEXANDRIA
PA 732 N WASHINGTON ST, ALEXANDRIA, VA 22314-1943 USA
SN 0003-1305
J9 AM STAT
JI Am. Stat.
PD FEB
PY 2010
VL 64
IS 1
BP 46
EP 51
DI 10.1198/tast.2009.09079
PG 6
WC Statistics & Probability
SC Mathematics
GA 561EC
UT WOS:000274957500012
ER
PT J
AU Baer, DR
Gaspar, DJ
Nachimuthu, P
Techane, SD
Castner, DG
AF Baer, D. R.
Gaspar, D. J.
Nachimuthu, P.
Techane, S. D.
Castner, D. G.
TI Application of surface chemical analysis tools for characterization of
nanoparticles
SO ANALYTICAL AND BIOANALYTICAL CHEMISTRY
LA English
DT Review
DE Nanoparticles; Nanotechnology; X-ray spectroscopy (XPS XRF EDX);
Catalysts
ID X-RAY PHOTOELECTRON; AUGER-ELECTRON-SPECTROSCOPY; WALLED CARBON
NANOTUBES; ENERGY ION-SCATTERING; DETERMINING OVERLAYER THICKNESS;
TOF-SIMS; SUPPORTED CATALYSTS; OXIDE NANOPARTICLES; SHELL NANOPARTICLES;
GOLD NANOPARTICLES
AB The important role that surface chemical analysis methods can and should play in the characterization of nanoparticles is described. The types of information that can be obtained from analysis of nanoparticles using Auger electron spectroscopy (AES), X-ray photoelectron spectroscopy (XPS), time-of-flight secondary-ion mass spectrometry (TOF-SIMS), low-energy ion scattering (LEIS), and scanning-probe microscopy (SPM), including scanning tunneling microscopy (STM) and atomic force microscopy (AFM), are briefly summarized. Examples describing the characterization of engineered nanoparticles are provided. Specific analysis considerations and issues associated with using surface-analysis methods for the characterization of nanoparticles are discussed and summarized, with the impact that shape instability, environmentally induced changes, deliberate and accidental coating, etc., have on nanoparticle properties.
C1 [Baer, D. R.; Nachimuthu, P.] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
[Gaspar, D. J.] Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99352 USA.
[Techane, S. D.; Castner, D. G.] Univ Washington, Natl ESCA & Surface Anal Ctr Biomed Problems, Dept Bioengn, Seattle, WA 98195 USA.
[Techane, S. D.; Castner, D. G.] Univ Washington, Natl ESCA & Surface Anal Ctr Biomed Problems, Dept Chem Engn, Seattle, WA 98195 USA.
RP Baer, DR (reprint author), Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
EM don.baer@pnl.gov
RI Gaspar, Dan/H-6166-2011; Baer, Donald/J-6191-2013
OI Baer, Donald/0000-0003-0875-5961
FU US Department of Energy (DOE); NIH [EB-002027, GM-074511]; NSF
FX This paper has evolved from research programs supported by the US
Department of Energy (DOE) and research conducted as part of the
Environmental Molecular Sciences Laboratory (EMSL) User Program. It has
benefited from interactions with colleagues from around the world and
input from experts associated with ISO TC 201 Surface Chemical Analysis
and ASTM Committee E42 on Surface Analysis. Aspects of the work have
been supported by the DOE Offices of Basic Energy Sciences and
Biological and Environmental Research. Portions of this work were
conducted in EMSL, a DOE user facility operated by Pacific Northwest
National Laboratory for the DOE Office of Biological and Environmental
Research. We thank MH Engelhard for the XPS data on the iron
nanoparticles. DGC and SDT thank NIH grants EB-002027 and GM-074511 for
support and for funding some of the experimental work described in this
paper. SDT thanks the NSF for an IGERT fellowship.
NR 112
TC 116
Z9 119
U1 20
U2 154
PU SPRINGER HEIDELBERG
PI HEIDELBERG
PA TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY
SN 1618-2642
J9 ANAL BIOANAL CHEM
JI Anal. Bioanal. Chem.
PD FEB
PY 2010
VL 396
IS 3
BP 983
EP 1002
DI 10.1007/s00216-009-3360-1
PG 20
WC Biochemical Research Methods; Chemistry, Analytical
SC Biochemistry & Molecular Biology; Chemistry
GA 546WN
UT WOS:000273845200005
PM 20052578
ER
PT J
AU Gray, GA
Williams, PJ
Brown, WM
Faulon, JL
Sale, KL
AF Gray, Genetha A.
Williams, Pamela J.
Brown, W. Michael
Faulon, Jean-Loup
Sale, Kenneth L.
TI Disparate data fusion for protein phosphorylation prediction
SO ANNALS OF OPERATIONS RESEARCH
LA English
DT Article
DE Ensemble classification; Phosphorylation; Base classifier; Fusion
ID SIGNATURE MOLECULAR DESCRIPTOR; EXTENDED VALENCE SEQUENCES; HIDDEN
MARKOV-MODELS; NEURAL-NETWORK; SPEECH RECOGNITION; WIDE PREDICTION;
SITES; ALGORITHMS; LOCATION; KINASES
AB New challenges in knowledge extraction include interpreting and classifying data sets while simultaneously considering related information to confirm results or identify false positives. We discuss a data fusion algorithmic framework targeted at this problem. It includes separate base classifiers for each data type and a fusion method for combining the individual classifiers. The fusion method is an extension of current ensemble classification techniques and has the advantage of allowing data to remain in heterogeneous databases. In this paper, we focus on the applicability of such a framework to the protein phosphorylation prediction problem.
C1 [Gray, Genetha A.; Williams, Pamela J.] Sandia Natl Labs, Computat Sci & Math Res Dept, Livermore, CA 94551 USA.
[Brown, W. Michael] Sandia Natl Labs, Computat Biol Dept, Albuquerque, NM 87185 USA.
[Faulon, Jean-Loup] Sandia Natl Labs, Computat Biosci Dept, Albuquerque, NM 87185 USA.
[Sale, Kenneth L.] Sandia Natl Labs, Biosyst Res Dept, Livermore, CA 94551 USA.
RP Gray, GA (reprint author), Sandia Natl Labs, Computat Sci & Math Res Dept, POB 969,MS 9159, Livermore, CA 94551 USA.
EM gagray@sandia.gov; pwillia@sandia.gov; wmbrown@sandia.gov;
jfaulon@sandia.gov; klsale@sandia.gov
FU Laboratory Directed Research and Development program at Sandia National
Laboratories; United States Department of Energy [DE-AC04-94AL85000.]
FX The authors would like to acknowledge Joshua Griffin for his development
of Ruby scripts to compare the experimentally verified and predicted
phosphorylation sites. His efforts saved us countless hours of work. We
also gratefully acknowledge the Laboratory Directed Research and
Development program at Sandia National Laboratories for their support of
this research. Sandia National Laboratories is a multi- program
laboratory operated by Sandia Corporation, a Lockheed Martin Company,
for the United States Department of Energy under contract
DE-AC04-94AL85000.
NR 62
TC 1
Z9 1
U1 0
U2 8
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0254-5330
J9 ANN OPER RES
JI Ann. Oper. Res.
PD FEB
PY 2010
VL 174
IS 1
BP 219
EP 235
DI 10.1007/s10479-008-0347-9
PG 17
WC Operations Research & Management Science
SC Operations Research & Management Science
GA 554SS
UT WOS:000274455300015
ER
PT J
AU Castro, HF
Classen, AT
Austin, EE
Norby, RJ
Schadt, CW
AF Castro, Hector F.
Classen, Aimee T.
Austin, Emily E.
Norby, Richard J.
Schadt, Christopher W.
TI Soil Microbial Community Responses to Multiple Experimental Climate
Change Drivers
SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY
LA English
DT Article
ID ELEVATED ATMOSPHERIC CO2; 16S RIBOSOMAL-RNA; FINE-ROOT PRODUCTION;
CARBON-DIOXIDE; WATER AVAILABILITY; TALLGRASS PRAIRIE;
ENZYME-ACTIVITIES; TREMBLING ASPEN; DIVERSITY; TEMPERATURE
AB Researchers agree that climate change factors such as rising atmospheric [CO(2)] and warming will likely interact to modify ecosystem properties and processes. However, the response of the microbial communities that regulate ecosystem processes is less predictable. We measured the direct and interactive effects of climatic change on soil fungal and bacterial communities (abundance and composition) in a multifactor climate change experiment that exposed a constructed old-field ecosystem to different atmospheric CO(2) concentration (ambient, +300 ppm), temperature (ambient, +3 degrees C), and precipitation (wet and dry) might interact to alter soil bacterial and fungal abundance and community structure in an old-field ecosystem. We found that (i) fungal abundance increased in warmed treatments; (ii) bacterial abundance increased in warmed plots with elevated atmospheric [CO(2)] but decreased in warmed plots under ambient atmospheric [CO(2)]; (iii) the phylogenetic distribution of bacterial and fungal clones and their relative abundance varied among treatments, as indicated by changes in 16S rRNA and 28S rRNA genes; (iv) changes in precipitation altered the relative abundance of Proteobacteria and Acidobacteria, where Acidobacteria decreased with a concomitant increase in the Proteobacteria in wet relative to dry treatments; and (v) changes in precipitation altered fungal community composition, primarily through lineage specific changes within a recently discovered group known as soil clone group I. Taken together, our results indicate that climate change drivers and their interactions may cause changes in bacterial and fungal overall abundance; however, changes in precipitation tended to have a much greater effect on the community composition. These results illustrate the potential for complex community changes in terrestrial ecosystems under climate change scenarios that alter multiple factors simultaneously.
C1 [Castro, Hector F.; Austin, Emily E.; Schadt, Christopher W.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
[Norby, Richard J.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Classen, Aimee T.; Austin, Emily E.] Univ Tennessee, Dept Ecol & Evolutionary Biol, Knoxville, TN 37996 USA.
RP Schadt, CW (reprint author), Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
EM schadtcw@ornl.gov
RI yang, lixia/D-7815-2011; Classen, Aimee/C-4035-2008; Norby,
Richard/C-1773-2012; Schadt, Christopher/B-7143-2008
OI Classen, Aimee/0000-0002-6741-3470; Norby, Richard/0000-0002-0238-9828;
Schadt, Christopher/0000-0001-8759-2448
FU U.S. Department of Energy, Office of Science, Biological, and
Environmental Research Program [DE-FG02-02ER63366, DE-AC05-00OR22725];
Oak Ridge National Laboratory
FX Research was sponsored by the U.S. Department of Energy, Office of
Science, Biological, and Environmental Research Program (grant
DE-FG02-02ER63366) and by the Laboratory Directed Research and
Development Program of Oak Ridge National Laboratory. Oak Ridge National
Laboratory is managed by UT Battelle, LLC, for the U.S. Department of
Energy under contract DE-AC05-00OR22725.
NR 65
TC 201
Z9 211
U1 21
U2 226
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0099-2240
J9 APPL ENVIRON MICROB
JI Appl. Environ. Microbiol.
PD FEB
PY 2010
VL 76
IS 4
BP 999
EP 1007
DI 10.1128/AEM.02874-09
PG 9
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA 552XS
UT WOS:000274328900003
PM 20023089
ER
PT J
AU Hamilton-Brehm, SD
Mosher, JJ
Vishnivetskaya, T
Podar, M
Carroll, S
Allman, S
Phelps, TJ
Keller, M
Elkins, JG
AF Hamilton-Brehm, Scott D.
Mosher, Jennifer J.
Vishnivetskaya, Tatiana
Podar, Mircea
Carroll, Sue
Allman, Steve
Phelps, Tommy J.
Keller, Martin
Elkins, James G.
TI Caldicellulosiruptor obsidiansis sp nov., an Anaerobic, Extremely
Thermophilic, Cellulolytic Bacterium Isolated from Obsidian Pool,
Yellowstone National Park
SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY
LA English
DT Article
ID THERMOANAEROBIUM-ACETIGENUM; CLOSTRIDIUM-THERMOCELLUM; GEN-NOV;
SACCHAROLYTICUS; PRETREATMENT; ALIGNMENT; CULTURES; SPRINGS; ETHANOL;
BIOMASS
AB A novel, obligately anaerobic, extremely thermophilic, cellulolytic bacterium, designated OB47(T), was isolated from Obsidian Pool, Yellowstone National Park, WY. The isolate was a nonmotile, non-spore-forming, Gram-positive rod approximately 2 mu m long by 0.2 mu m wide and grew at temperatures between 55 and 85 degrees C, with the optimum at 78 degrees C. The pH range for growth was 6.0 to 8.0, with values of near 7.0 being optimal. Growth on cellobiose produced the fastest specific growth rate at 0.75 h(-1). The organism also displayed fermentative growth on glucose, maltose, arabinose, fructose, starch, lactose, mannose, sucrose, galactose, xylose, arabinogalactan, Avicel, xylan, filter paper, processed cardboard, pectin, dilute acid-pretreated switchgrass, and Populus. OB47(T) was unable to grow on mannitol, fucose, lignin, Gelrite, acetate, glycerol, ribose, sorbitol, carboxymethylcellulose, and casein. Yeast extract stimulated growth, and thiosulfate, sulfate, nitrate, and sulfur were not reduced. Fermentation end products were mainly acetate, H-2, and CO2, although lactate and ethanol were produced in 5-liter batch fermentations. The G+C content of the DNA was 35 mol%, and sequence analysis of the small subunit rRNA gene placed OB47(T) within the genus Caldicellulosiruptor. Based on its phylogenetic and phenotypic properties, the isolate is proposed to be designated Caldicellulosiruptor obsidiansis sp. nov. and OB47 is the type strain (ATCC BAA-2073).
C1 [Hamilton-Brehm, Scott D.; Mosher, Jennifer J.; Vishnivetskaya, Tatiana; Podar, Mircea; Carroll, Sue; Allman, Steve; Phelps, Tommy J.; Keller, Martin; Elkins, James G.] Oak Ridge Natl Lab, Biosci Div, BioEnergy Sci Ctr, Oak Ridge, TN 37831 USA.
RP Elkins, JG (reprint author), Oak Ridge Natl Lab, Biosci Div, BioEnergy Sci Ctr, POB 2008,MS6038, Oak Ridge, TN 37831 USA.
EM elkinsjg@ornl.gov
RI Allman, Steve/A-9121-2011; phelps, tommy/A-5244-2011; Keller,
Martin/C-4416-2012; Elkins, James/A-6199-2011; Vishnivetskaya,
Tatiana/A-4488-2008
OI Allman, Steve/0000-0001-6538-7048; Elkins, James/0000-0002-8052-5688;
Vishnivetskaya, Tatiana/0000-0002-0660-023X
FU Office of Biological and Environmental Research in the DOE Office of
Science; Oak Ridge National Laboratory; UT-Battelle, LLC
[DE-AC05-00OR22725]
FX This work was supported by the BioEnergy Science Center (BESC), which is
a U. S. Department of Energy Bioenergy Research Center supported by the
Office of Biological and Environmental Research in the DOE Office of
Science, Oak Ridge National Laboratory. Oak Ridge National Laboratory is
managed by UT-Battelle, LLC, for the U.S. Department of Energy under
contract DE-AC05-00OR22725.
NR 31
TC 39
Z9 42
U1 1
U2 9
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0099-2240
EI 1098-5336
J9 APPL ENVIRON MICROB
JI Appl. Environ. Microbiol.
PD FEB
PY 2010
VL 76
IS 4
BP 1014
EP 1020
DI 10.1128/AEM.01903
PG 7
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA 552XS
UT WOS:000274328900005
PM 20023107
ER
PT J
AU Liang, YT
He, ZL
Wu, LY
Deng, Y
Li, GH
Zhou, JZ
AF Liang, Yuting
He, Zhili
Wu, Liyou
Deng, Ye
Li, Guanghe
Zhou, Jizhong
TI Development of a Common Oligonucleotide Reference Standard for
Microarray Data Normalization and Comparison across Different Microbial
Communities
SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY
LA English
DT Article
ID DESULFOVIBRIO-VULGARIS HILDENBOROUGH; GENE-EXPRESSION RATIOS; CDNA
MICROARRAYS; REFERENCE SAMPLE; REFERENCE DESIGN; DNA MICROARRAYS;
DIVERSITY; BIODEGRADATION; CRITERIA; STRESS
AB High-density functional gene arrays have become a powerful tool for environmental microbial detection and characterization. However, microarray data normalization and comparison for this type of microarray remain a challenge in environmental microbiology studies because some commonly used normalization methods (e. g., genomic DNA) for the study of pure cultures are not applicable. In this study, we developed a common oligonucleotide reference standard (CORS) method to address this problem. A unique 50-mer reference oligonucleotide probe was selected to co-spot with gene probes for each array feature. The complementary sequence was synthesized and labeled for use as the reference target, which was then spiked and cohybridized with each sample. The signal intensity of this reference target was used for microarray data normalization and comparison. The optimal amount or concentration were determined to be ca. 0.5 to 2.5% of a gene probe for the reference probe and ca. 0.25 to 1.25 fmol/mu l for the reference target based on our evaluation with a pilot array. The CORS method was then compared to dye swap and genomic DNA normalization methods using the Desulfovibrio vulgaris whole-genome microarray, and significant linear correlations were observed. This method was then applied to a functional gene array to analyze soil microbial communities, and the results demonstrated that the variation of signal intensities among replicates based on the CORS method was significantly lower than the total intensity normalization method. The developed CORS provides a useful approach for microarray data normalization and comparison for studies of complex microbial communities.
C1 [Liang, Yuting; He, Zhili; Wu, Liyou; Deng, Ye; Zhou, Jizhong] Univ Oklahoma, Inst Environmen Genom, Norman, OK 73019 USA.
[Liang, Yuting; He, Zhili; Wu, Liyou; Deng, Ye; Zhou, Jizhong] Univ Oklahoma, Dept Bot & Microbiol, Norman, OK 73019 USA.
[Liang, Yuting] Jiangsu Polytech Univ, Jiangsu 213164, Peoples R China.
[Li, Guanghe] Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China.
[Liang, Yuting; He, Zhili; Wu, Liyou; Deng, Ye; Zhou, Jizhong] Univ Calif Berkeley, Lawrence Berkeley Lab, Virtual Inst Microbial Stress & Survival, Berkeley, CA 94720 USA.
[Zhou, Jizhong] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Zhou, JZ (reprint author), Univ Oklahoma, Inst Environmen Genom, Norman, OK 73019 USA.
EM jzhou@ou.edu
RI He, Zhili/C-2879-2012; Deng, Ye/A-2571-2013;
OI ?, ?/0000-0002-7584-0632
FU U.S. Department of Energy; Environmental Remediation Science Program,
Office of Biological and Environmental Research; Office of Science,
Oklahoma Center for the Advancement of Science and Technology; National
Natural Scientific Foundation of China [40730738]
FX We thank Gene Wickham for design of the random reference probe. This
study was supported by the U.S. Department of Energy under the Genomics
GTL program through the Virtual Institute of Microbial Stress and
Survival (http://vimss.lbl.gov); by the Environmental Remediation
Science Program, Office of Biological and Environmental Research; by the
Office of Science, Oklahoma Center for the Advancement of Science and
Technology, under the Oklahoma Applied Research Support Program; and by
the National Natural Scientific Foundation of China (no. 40730738).
NR 32
TC 50
Z9 52
U1 3
U2 16
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0099-2240
J9 APPL ENVIRON MICROB
JI Appl. Environ. Microbiol.
PD FEB
PY 2010
VL 76
IS 4
BP 1088
EP 1094
DI 10.1128/AEM.02749-09
PG 7
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA 552XS
UT WOS:000274328900014
PM 20038701
ER
PT J
AU Beller, HR
Goh, EB
Keasling, JD
AF Beller, Harry R.
Goh, Ee-Been
Keasling, Jay D.
TI Genes Involved in Long-Chain Alkene Biosynthesis in Micrococcus luteus
SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY
LA English
DT Article
ID SARCINA-LUTEA; NONISOPRENOID HYDROCARBONS; FATTY ACIDS; PROTEIN;
IDENTIFICATION; BIOCHEMISTRY; BIOLOGY
AB Aliphatic hydrocarbons are highly appealing targets for advanced cellulosic biofuels, as they are already predominant components of petroleum-based gasoline and diesel fuels. We have studied alkene biosynthesis in Micrococcus luteus ATCC 4698, a close relative of Sarcina lutea (now Kocuria rhizophila), which 4 decades ago was reported to biosynthesize iso- and anteiso-branched, long-chain alkenes. The underlying biochemistry and genetics of alkene biosynthesis were not elucidated in those studies. We show here that heterologous expression of a three-gene cluster from M. luteus (Mlut_13230-13250) in a fatty acid-overproducing Escherichia coli strain resulted in production of long-chain alkenes, predominantly 27: 3 and 29: 3 (no. carbon atoms: no. C=C bonds). Heterologous expression of Mlut_13230 (oleA) alone produced no long-chain alkenes but unsaturated aliphatic monoketones, predominantly 27: 2, and in vitro studies with the purified Mlut_13230 protein and tetradecanoyl-coenzyme A (CoA) produced the same C(27) monoketone. Gas chromatography-time of flight mass spectrometry confirmed the elemental composition of all detected long-chain alkenes and monoketones (putative intermediates of alkene biosynthesis). Negative controls demonstrated that the M. luteus genes were responsible for production of these metabolites. Studies with wild-type M. luteus showed that the transcript copy number of Mlut_13230-13250 and the concentrations of 29: 1 alkene isomers (the dominant alkenes produced by this strain) generally corresponded with bacterial population over time. We propose a metabolic pathway for alkene biosynthesis starting with acyl-CoA (or-ACP [acyl carrier protein]) thioesters and involving decarboxylative Claisen condensation as a key step, which we believe is catalyzed by OleA. Such activity is consistent with our data and with the homology (including the conserved Cys-His-Asn catalytic triad) of Mlut_13230 (OleA) to FabH (beta-ketoacyl-ACP synthase III), which catalyzes decarboxylative Claisen condensation during fatty acid biosynthesis.
C1 [Beller, Harry R.; Goh, Ee-Been; Keasling, Jay D.] Joint BioEnergy Inst, Emeryville, CA 94608 USA.
[Beller, Harry R.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
[Goh, Ee-Been; Keasling, Jay D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Keasling, Jay D.] Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA.
[Keasling, Jay D.] Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA.
RP Beller, HR (reprint author), Joint BioEnergy Inst, 5885 Hollis St, Emeryville, CA 94608 USA.
EM HRBeller@lbl.gov
RI Keasling, Jay/J-9162-2012; Beller, Harry/H-6973-2014
OI Keasling, Jay/0000-0003-4170-6088;
FU U. S. Department of Energy, Office of Science, Office of Biological and
Environmental Research [DE-AC02-05CH11231]; Lawrence Berkeley National
Laboratory; U. S. Department of Energy
FX We thank Yisheng Kang and Eric Steen (JBEI) for providing the fatty
acid-overproducing E. coli DH1 strain; Charles Greenblatt (Hebrew
University) for providing early access to the draft genome sequence of
Micrococcus luteus; Alyssa Redding and Tanveer Batth (Functional
Genomics Department, Technology Division, JBEI) for mass spectrometric
analysis of protein samples; Rudy Alvarado, Vladimir Tolstikov, and
Saeed Khazaie (University of California at Davis Genome Center), as well
as Doug Stevens and Steven Lai (Waters Corporation), for providing
GC-TOF analyses; and Taek Soon Lee and Steven Singer (JBEI) for helpful
comments on the manuscript. J. D. K. has a financial interest in LS9,
Inc., and Amyris.; This work was part of the DOE Joint BioEnergy
Institute (http://www.jbei.org/) supported by the U. S. Department of
Energy, Office of Science, Office of Biological and Environmental
Research, through contract DE-AC02-05CH11231 between Lawrence Berkeley
National Laboratory and the U. S. Department of Energy.
NR 24
TC 67
Z9 67
U1 4
U2 42
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0099-2240
J9 APPL ENVIRON MICROB
JI Appl. Environ. Microbiol.
PD FEB
PY 2010
VL 76
IS 4
BP 1212
EP 1223
DI 10.1128/AEM.02312-09
PG 12
WC Biotechnology & Applied Microbiology; Microbiology
SC Biotechnology & Applied Microbiology; Microbiology
GA 552XS
UT WOS:000274328900029
PM 20038703
ER
PT J
AU Hamel, BL
Stewart, BW
Kim, AG
AF Hamel, Barbara L.
Stewart, Brian W.
Kim, Ann G.
TI Tracing the interaction of acid mine drainage with coal utilization
byproducts in a grouted mine: Strontium isotope study of the inactive
Omega Coal Mine, West Virginia (USA)
SO APPLIED GEOCHEMISTRY
LA English
DT Article
ID FLY-ASH; SYSTEMATICS; RESIDUES; ELEMENTS; SR
AB In order to ameliorate acidic discharge, the inactive Omega Coal Mine, West Virginia was partially filled by injection of a grout consisting of 98% coal utilization byproducts (CUB), including fluidized bed combustion ash and fly ash. and 2% Portland cement. In this study, discharge chemistry and Sr isotope ratios were determined to identify and quantify the extent of interaction between mine waters and the CUB-cement grout. Eight sampling sites were monitored around the downdip perimeter of the mine. The major and trace element chemistry of the discharges was generally not sufficient to distinguish between discharges that interacted with grout and those that did not. Elements that showed the most separation include K and As, which were elevated in some waters that interacted with CUB-cement grout. In contrast, the Sr isotope ratios clearly distinguished discharges from grouted and non-grouted areas. Discharges that bypassed the grouted portions had (87)Sr/(86)Sr ratios ranging from 0.71510 to 0.71594, while two discharges that interacted with grout had ratios in the range of 0.71401-0.71456. The Treatment Inlet, which includes both grouted and ungrouted discharges, yielded intermediate isotopic ratios. Leaching experiments on CUB-cement grout, coal and surrounding rocks are consistent with the isotopic trends observed in the discharges. Based on these results, waters that interacted with grout received 30-40% of their Sr from the CUB-cement grout material. These results suggest that the grout material is chemically eroding at a rate of approximately 0.04% per year. This novel application of the Sr isotope system illustrates its ability to sensitively track and quantify fluid interaction with coal and CUB-based grout. (C) 2009 Elsevier Ltd. All rights reserved.
C1 [Hamel, Barbara L.; Stewart, Brian W.] Univ Pittsburgh, Dept Geol & Planetary Sci, SRCC 200, Pittsburgh, PA 15260 USA.
[Kim, Ann G.] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
RP Stewart, BW (reprint author), Univ Pittsburgh, Dept Geol & Planetary Sci, SRCC 200, Pittsburgh, PA 15260 USA.
EM bstewart@pitt.edu
FU US Department of Energy (USDOE)
FX This study was funded by the US Department of Energy (USDOE) under the
University Partnership Program. We appreciate thorough reviews by R.
Seal and an anonymous reviewer, which greatly improved the manuscript.
We thank B.K. Games at the University of Pittsburgh and Robert Thompson
from the Parsons Project at the USDOE for analytical assistance. We also
thank D. Shreve and M. Reese from WVDEP for their expertise and
assistance at the site, S. Lamey and C. Cardone at the DOE for their
assistance during sample collection, D. Hreha and K. Rygle of the
Parsons Project for their analytical work, and R. Gray (now of DiGioia,
Gray & Associates, LLC) for providing samples of core material from the
grouting project.
NR 30
TC 8
Z9 8
U1 1
U2 2
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0883-2927
J9 APPL GEOCHEM
JI Appl. Geochem.
PD FEB
PY 2010
VL 25
IS 2
BP 212
EP 223
DI 10.1016/j.apgeochem.2009.11.006
PG 12
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 561EE
UT WOS:000274957800003
ER
PT J
AU Kaplan, DI
Serkiz, SM
Allison, JD
AF Kaplan, Daniel I.
Serkiz, Steven M.
Allison, Jerry D.
TI Europium sorption to sediments in the presence of natural organic
matter: A laboratory and modeling study
SO APPLIED GEOCHEMISTRY
LA English
DT Article
ID HUMIC-ACID; LANDFILL LEACHATE; FULVIC-ACID; ADSORPTION; EU(III);
ALUMINA; SUBSTANCES; COMPLEXES; HEMATITE; MONTMORILLONITE
AB Cellulosic materials, such as wood, paper products and cardboard that have been co-disposed with low-level nuclear waste have been shown to produce leachate with natural organic matter (NOM) concentrations of hundreds of mg/L C and, as such, have the potential to influence the fate and transport of radio-nuclides in the subsurface environment. The objective of this study was to examine the influence of NOM on the sorption of Eu (an analogue for trivalent radionuclides) to two coastal plain sediments from the US Department of Energy's Savannah River Site. Particular attention was directed at quantifying Eu interactions with NOM sorbed to sediments (NOM(sed)) in laboratory experiments and developing conditional stability constants for that interaction using the thermodynamic equilibrium speciation model MINTEQA2. Europium sorption to the two sediments systematically increased as pH increased from 3.9 to 6.7. With increasing additions of NOM to the aqueous phase from 0 to 222 mg/L C, Eu sorption initially increased to a maximum at 10 mg/L C NOM(aq) and then decreased with increasing NOM(aq) concentrations. Increases in Eu sorption at low NOM additions was attributed to the sorption of NOM to the sediment surface increasing the number of sorption sites on the low cation-exchange capacity sediments and/or increasing the association constant (log K) for the Eu-sediment surface reaction. Decreases in Eu sorption at higher NOM levels was attributed to Eu(aq) complexation to NOM(aq) being more favored than Eu sorption to the solid phase. A component additivity model was developed to describe the Eu-NOM-sediment system by the additive effects of the three binary system models: Eu-NOM, Eu-sediment and NOM-sediment. The model generally captured the data trends in the ternary system. Conditional stability constants developed from the experimental data for the complexation of Eu to NOM(sed) were as much as four orders of magnitude greater than Eu complexation with NOM(aq), presumably due to the NOM(sed) deriving additional negative (attractive) charge from the sediment surface. At high initial NOM(aq) levels, >99 mg/L C, the model captured the trend of reduced Eu sorption but tended to over-estimate Eu sorption. The additivity approach of combining binary models to form a ternary model was only successful when the unique complexation properties of the NOM(sed) were properly calculated. (C) 2009 Elsevier Ltd. All rights reserved.
C1 [Kaplan, Daniel I.; Serkiz, Steven M.] Savannah River Natl Lab, Aiken, SC 29808 USA.
[Allison, Jerry D.] Gainesville State Coll, Div Nat Sci Engn & Technol, Gainesville, GA 30503 USA.
RP Kaplan, DI (reprint author), Savannah River Natl Lab, Aiken, SC 29808 USA.
EM daniel.kaplan@srnl.doe.gov
FU Department of Energy [DE-AC09-96SR18500]
FX This project was supported by the Department of Energy's Office of
Environmental Management and Environmental Remediation Science Program
within the Office of Science. Work at the Savannah River National
Laboratory (SRNL) was performed under the auspices of the US Department
of Energy (DOE) contract DE-AC09-96SR18500.
NR 44
TC 7
Z9 7
U1 2
U2 13
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0883-2927
J9 APPL GEOCHEM
JI Appl. Geochem.
PD FEB
PY 2010
VL 25
IS 2
BP 224
EP 232
DI 10.1016/j.apgeochem.2009.11.007
PG 9
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 561EE
UT WOS:000274957800004
ER
PT J
AU Buric, MP
Falk, J
Woodruff, SD
AF Buric, Michael P.
Falk, Joel
Woodruff, Steven D.
TI Conversion of a TEM10 beam into two nearly Gaussian beams
SO APPLIED OPTICS
LA English
DT Article
ID SPONTANEOUS RAMAN-SCATTERING; LASER; MODE; SELECTION; QUALITY; ELEMENTS
AB To achieve high output power and/or high efficiencies, laser systems are often designed to operate with either high-order or multiorder transverse modes. This comes at the expense of beam quality. Herein, a technique for converting the two lobes of a higher-order (Hermite-Gaussian TEM10) beam into two TEM00 beams is discussed. It is shown that nearly 94% of the power in a single lobe of the TEM10 beam spatially overlaps an appropriately chosen TEM00 beam. Beam quality (defined by the M-2 beam quality factor) is increased by separating the two TEM10 lobes with an edge aperture. A single-mode optical fiber can be used as a spatial filter to eliminate residual higher-order mode content. This study suggests that more than 90% of the power in a TEM10 beam can be converted into two separate TEM00 beams. (C) 2010 Optical Society of America
C1 [Buric, Michael P.; Falk, Joel; Woodruff, Steven D.] Natl Energy Technol Lab, Morgantown, WV 26507 USA.
[Buric, Michael P.; Falk, Joel] Univ Pittsburgh, Dept Elect & Comp Engn, Pittsburgh, PA 15261 USA.
RP Falk, J (reprint author), Natl Energy Technol Lab, 3610 Collins Ferry Rd,POB 880, Morgantown, WV 26507 USA.
EM falk@engr.pitt.edu
FU National Energy Technology Laboratory research in Energy Systems and
Dynamics under Research and Development Solutions (RDS)
[DE-AC26-04NT41817]
FX This technical effort was performed in support of the National Energy
Technology Laboratory research in Energy Systems and Dynamics under
Research and Development Solutions (RDS) contract DE-AC26-04NT41817.
NR 16
TC 3
Z9 3
U1 0
U2 3
PU OPTICAL SOC AMER
PI WASHINGTON
PA 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA
SN 1559-128X
EI 2155-3165
J9 APPL OPTICS
JI Appl. Optics
PD FEB 1
PY 2010
VL 49
IS 4
BP 739
EP 744
DI 10.1364/AO.49.000739
PG 6
WC Optics
SC Optics
GA 554OF
UT WOS:000274443600029
PM 20119028
ER
PT J
AU Jagannadham, K
Howe, J
Allard, LF
AF Jagannadham, K.
Howe, J.
Allard, L. F.
TI Laser physical vapor deposition of nanocrystalline dots using nanopore
filters
SO APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
LA English
DT Article
ID ANODIC ALUMINUM-OXIDE; QUANTUM DOTS; SIZE DEPENDENCE; NANOWIRES;
TEMPLATE; SUPERLATTICES; NANOMATERIALS; GROWTH
AB Nanocrystalline dots of n-type Bi(2)Te(2.7)Se(0.3) thermoelectric compound and of silicon were deposited by laser physical vapor deposition using polycarbonate or alumina nanopore filters as templates. The films were characterized by scanning electron microscopy and transmission electron microscopy. Using a pore size of 0.2 mu m in the nanopore filters, a uniform distribution of crystallites with size 3 to 4 nm and separated from each other was observed by high-resolution transmission electron microscopy. The dots were all single crystals, as seen by the resolved crystal lattice planes. The compositions of the crystallites, of both the thermoelectric compound and silicon, were analyzed by energy dispersive X-ray analysis. The composition of the thermoelectric compound nanocrystals differed significantly from that of the bulk target, likely due to vapor pressure differences of the constituent elements. The results are promising for synthesis of nanocrystalline dots with controlled size but compositional control is a different task that is not carried out. The observations illustrate that nonstoichiometry is a result of difference in the vapor pressure of different elements in the compound. The method of synthesis is found to be suitable for deposition of quantum dots below certain size determined by the size of the pores in the porous filter.
C1 [Jagannadham, K.] N Carolina State Univ, Raleigh, NC 27695 USA.
[Howe, J.; Allard, L. F.] Oak Ridge Natl Lab, High Temp Mat Lab, Oak Ridge, TN 37831 USA.
RP Jagannadham, K (reprint author), N Carolina State Univ, Raleigh, NC 27695 USA.
EM jag_kasichainula@ncsu.edu
RI Howe, Jane/G-2890-2011; Jagannadham, Kasichainula/A-2953-2008
FU Assistant Secretary for Energy Efficiency and Renewable Energy, Office
of FreedomCAR and Vehicle Technologies; Oak Ridge National Laboratory;
US Department of Energy [DE-AC05-00OR22725]
FX Part of this research was sponsored by the Assistant Secretary for
Energy Efficiency and Renewable Energy, Office of FreedomCAR and Vehicle
Technologies, as part of the High Temperature Materials Laboratory User
Program, Oak Ridge National Laboratory, managed by UT-Battelle, LLC, for
the US Department of Energy under contract number DE-AC05-00OR22725.
NR 29
TC 3
Z9 3
U1 0
U2 10
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0947-8396
J9 APPL PHYS A-MATER
JI Appl. Phys. A-Mater. Sci. Process.
PD FEB
PY 2010
VL 98
IS 2
BP 285
EP 292
DI 10.1007/s00339-009-5432-7
PG 8
WC Materials Science, Multidisciplinary; Physics, Applied
SC Materials Science; Physics
GA 524QQ
UT WOS:000272158200006
ER
PT J
AU Braiman, A
Rudakov, F
Thundat, T
AF Braiman, Avital
Rudakov, Fedor
Thundat, Thomas
TI Highly selective separation of DNA fragments using optically directed
transport
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE bio-optics; DNA; laser beam applications; molecular biophysics;
photoelectrochemistry
ID MICROLITHOGRAPHIC ARRAYS; AGAROSE GELS; ELECTROPHORESIS; MACROMOLECULES;
TWEEZERS; POLYELECTROLYTES; TRAP
AB We present a design that allows selective separation of biomolecules of a particular size without performing complete separation of the sample by size. By focusing a laser beam onto a photoelectrode in contact with an electrolyte medium, a highly localized and optically controlled photoelectrophoretic trap is created. Moving the light beam along the photoelectrode consequently moves the trap. We demonstrate that by manipulating the speed of the photoelectrophoretic trap biomolecules of a particular size can be selectively separated from the mixture. We achieve a qualitative agreement between our experimental results and numerical simulations.
C1 [Braiman, Avital] Brown Univ, Div Engn, Providence, RI 02912 USA.
[Rudakov, Fedor] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA.
[Thundat, Thomas] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
RP Braiman, A (reprint author), Brown Univ, Div Engn, Providence, RI 02912 USA.
EM rudakovfm@ornl.gov
FU U.S. Department of Energy [DE-AC05-00OR22725]
FX We would like to thank Dr. Adam Bange, James Harkins, David Hedden, Dr.
Travis Humble, and Dr. Henry Lin for helpful advice and assistance. A.
B. would like to thank Professor Jimmy Xu for valuable discussions and
devoted guidance. F.R.'s research was performed as a Eugene P. Wigner
Fellow and staff member at Oak Ridge National Laboratory, managed by
UT-Battelle, LLC, for the U.S. Department of Energy under Contract No.
DE-AC05-00OR22725. A.B.'s research was performed under the Traveling
Scholar program at Oak Ridge National Laboratory.
NR 18
TC 3
Z9 3
U1 0
U2 4
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 1
PY 2010
VL 96
IS 5
AR 053701
DI 10.1063/1.3298743
PG 3
WC Physics, Applied
SC Physics
GA 552UQ
UT WOS:000274319500118
ER
PT J
AU Goiran, M
Millot, M
Poumirol, JM
Gherasoiu, I
Walukiewicz, W
Leotin, J
AF Goiran, Michel
Millot, Marius
Poumirol, Jean-Marie
Gherasoiu, Iulian
Walukiewicz, Wladek
Leotin, Jean
TI Electron cyclotron effective mass in indium nitride
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE band structure; effective mass; electron density; III-V semiconductors;
indium compounds; polarons; semiconductor epitaxial layers; Shubnikov-de
Haas effect; wide band gap semiconductors
ID MOLECULAR-BEAM EPITAXY; BAND-GAP; INN
AB We report on cyclotron effective mass measurement in indium nitride epilayers grown on c-sapphire, using the thermal damping of Shubnikov-de-Haas oscillations obtained in the temperature range 2-70 K and under magnetic field up to 60 T. We unravel an isotropic electron cyclotron effective mass equal to 0.062 +/- 0.002m(0) for samples having electron concentration near 10(18) cm(-3). After nonparabolicity and polaron corrections we estimate a bare mass at the bottom of the band equal to 0.055 +/- 0.002m(0).
C1 [Goiran, Michel; Millot, Marius; Poumirol, Jean-Marie; Leotin, Jean] Univ Toulouse, CNRS, LNCMI, UPR 3228, F-31400 Toulouse, France.
[Gherasoiu, Iulian] RoseSt Labs Energy, Phoenix, AZ 85034 USA.
[Walukiewicz, Wladek] Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Goiran, M (reprint author), Univ Toulouse, CNRS, LNCMI, UPR 3228, 143 Ave Rangueil, F-31400 Toulouse, France.
EM goiran@lncmp.org
RI Gherasoiu, Iulian/H-3369-2013;
OI Gherasoiu, Iulian/0000-0003-2686-9196; Millot,
Marius/0000-0003-4414-3532
FU EuroMagNET II
FX Authors acknowledge helpful discussions with P. Rinke, M. Winkelnkemper,
and D. Charrier. Part of this work was supported by EuroMagNET II.
NR 19
TC 28
Z9 28
U1 1
U2 8
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 1
PY 2010
VL 96
IS 5
AR 052117
DI 10.1063/1.3304169
PG 3
WC Physics, Applied
SC Physics
GA 552UQ
UT WOS:000274319500058
ER
PT J
AU Hayward, TJ
Bryan, MT
Fry, PW
Fundi, PM
Gibbs, MRJ
Im, MY
Fischer, P
Allwood, DA
AF Hayward, T. J.
Bryan, M. T.
Fry, P. W.
Fundi, P. M.
Gibbs, M. R. J.
Im, M. -Y.
Fischer, P.
Allwood, D. A.
TI Pinning induced by inter-domain wall interactions in planar magnetic
nanowires
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE magnetic domain walls; magnetic moments; nanomagnetics; nanowires
ID DYNAMICS
AB We have investigated pinning potentials created by inter-domain wall magnetostatic interactions in planar magnetic nanowires. We show that these potentials can take the form of an energy barrier or an energy well depending on the walls' relative monopole moments, and that the applied magnetic fields required to overcome these potentials are significant. Both transverse and vortex wall pairs are investigated and it is found that transverse walls interact more strongly due to dipolar coupling between their magnetization structures. Simple analytical models which allow the effects of inter-domain wall interactions to be estimated are also presented.
C1 [Hayward, T. J.; Bryan, M. T.; Fundi, P. M.; Gibbs, M. R. J.; Allwood, D. A.] Univ Sheffield, Dept Mat Engn, Sheffield S1 3JD, S Yorkshire, England.
[Fry, P. W.] Univ Sheffield, Nanosci & Technol Ctr, Sheffield S3 7HQ, S Yorkshire, England.
[Im, M. -Y.; Fischer, P.] Lawrence Berkeley Natl Lab, Ctr Xray Opt, Berkeley, CA 94720 USA.
RP Hayward, TJ (reprint author), Univ Sheffield, Dept Mat Engn, Sheffield S1 3JD, S Yorkshire, England.
EM t.hayward@sheffield.ac.uk
RI Fischer, Peter/A-3020-2010; MSD, Nanomag/F-6438-2012
OI Fischer, Peter/0000-0002-9824-9343;
FU EPSRC [GR/T02959/01, EP/F024886/1, EP/F069359/1, EP/D056683/1]; U.S.
Department of Energy
FX This work was supported by EPSRC (Grant Nos. GR/T02959/01, EP/F024886/1,
EP/F069359/1, and EP/D056683/1) and by the Director, Office of Science,
Office of Basic Energy Sciences, Materials Sciences and Engineering
Division, of the U.S. Department of Energy.
NR 10
TC 30
Z9 30
U1 0
U2 8
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 1
PY 2010
VL 96
IS 5
AR 052502
DI 10.1063/1.3275752
PG 3
WC Physics, Applied
SC Physics
GA 552UQ
UT WOS:000274319500061
ER
PT J
AU Lieten, RR
Degroote, S
Clemente, F
Leys, M
Borghs, G
AF Lieten, R. R.
Degroote, S.
Clemente, F.
Leys, M.
Borghs, G.
TI Hydrogen and inert species in solid phase epitaxy
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE adsorption; amorphous semiconductors; crystallisation; elemental
semiconductors; germanium; noncrystalline structure; semiconductor
epitaxial layers; semiconductor growth; solid phase epitaxial growth;
vacuum deposited coatings; vacuum deposition
ID THIN-FILMS; GE GROWTH; SI; QUALITY; SURFACES; SI(100)
AB The incorporation of hydrogen during deposition of amorphous germanium can influence solid phase epitaxy in many ways. We show that Ge-H bonds are not important during the crystallization process. However, atomic hydrogen is important during deposition to obtain a highly disordered layer. We have found that highly disordered layers can also be obtained when using a beam of inert gas species during ultrahigh vacuum deposition. These inert species effectively increase the disorder of the layer by limiting the surface mobility of adsorbed germanium atoms. In this way subsequent solid phase epitaxy can be improved significantly.
C1 [Lieten, R. R.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Lieten, R. R.; Degroote, S.; Clemente, F.; Leys, M.; Borghs, G.] IMEC, B-3001 Leuven, Belgium.
RP Lieten, RR (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
EM ruben.lieten@imec.be
FU Belgian American Educational Foundation (BAEF)
FX Author R. R. L. acknowledges support as Research Fellow of the Belgian
American Educational Foundation (BAEF).
NR 17
TC 10
Z9 10
U1 0
U2 6
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0003-6951
EI 1077-3118
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 1
PY 2010
VL 96
IS 5
AR 052109
DI 10.1063/1.3293453
PG 3
WC Physics, Applied
SC Physics
GA 552UQ
UT WOS:000274319500050
ER
PT J
AU Pesce, PBC
Araujo, PT
Nikolaev, P
Doorn, SK
Hata, K
Saito, R
Dresselhaus, MS
Jorio, A
AF Pesce, P. B. C.
Araujo, P. T.
Nikolaev, P.
Doorn, S. K.
Hata, K.
Saito, R.
Dresselhaus, M. S.
Jorio, A.
TI Calibrating the single-wall carbon nanotube resonance Raman intensity by
high resolution transmission electron microscopy for a
spectroscopy-based diameter distribution determination
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE carbon nanotubes; chemical vapour deposition; diameter measurement;
Raman spectra; transmission electron microscopy
AB We study a single-wall carbon nanotube (SWNT) sample grown by water-assisted chemical vapor deposition with both resonance Raman scattering (RRS) and high resolution transmission electron microscopy. High resolution transmission electron microscopy measurements of 395 SWNTs determined the diameter distribution of the sample, allowing us to calibrate an RRS radial breathing mode (RBM) map obtained with 51 laser excitation energies from 1.26 to 1.73 eV. Thus, we determined the diameter dependence of the RRS RBM cross-section, which in turn allows the determination of the diameter distribution of any SWNT sample by measuring the RBM Raman signal.
C1 [Pesce, P. B. C.; Araujo, P. T.; Jorio, A.] Univ Fed Minas Gerais, Dept Fis, BR-30123970 Belo Horizonte, MG, Brazil.
[Nikolaev, P.] NASA, Lyndon B Johnson Space Ctr, ERC Inc, Houston, TX 77258 USA.
[Doorn, S. K.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA.
[Hata, K.] Natl Inst Adv Ind Sci & Technol, Nanotube Res Ctr, Tsukuba, Ibaraki 3058565, Japan.
[Saito, R.] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan.
[Dresselhaus, M. S.] MIT, Dept Phys, Cambridge, MA 02139 USA.
[Dresselhaus, M. S.] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA.
[Jorio, A.] Inst Nacl Metrol Normalizacao & Qualidade Ind INM, Div Mat Metrol, BR-25250020 Duque De Caxias, RJ, Brazil.
RP Pesce, PBC (reprint author), Univ Fed Minas Gerais, Dept Fis, BR-30123970 Belo Horizonte, MG, Brazil.
EM pedrop@fisica.ufmg.br
RI Saito, Riichiro/B-1132-2008; hata, kenji/B-3262-2009; Jorio,
Ado/F-2141-2010; Medicina Molecular, Inct/J-8737-2013; Nikolaev,
Pavel/B-9960-2009
OI Jorio, Ado/0000-0002-5978-2735;
FU MCT-CNPq (Brazil); AFOSR/SOARD (USA) [FA9550-08-1-236]; NASA
[NNJ05HI05C]; NEXT [20241023]; NSF [DMR-07-04197]
FX We thank J. S. Park, who kindly supplied us with additional data for the
comparative analysis in Ref. 20. Brazilian authors acknowledge MCT-CNPq
(Brazil) and AFOSR/SOARD (USA) (Award No. FA9550-08-1-236). P. N.
acknowledges NASA under Contract No. NNJ05HI05C. S. K. D. acknowledges
LANL LDRD program (USA). R. S. acknowledges NEXT (Grant No. 20241023).
M. S. D. acknowledges NSF (Grant No. DMR-07-04197).
NR 19
TC 12
Z9 12
U1 0
U2 9
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 1
PY 2010
VL 96
IS 5
AR 051910
DI 10.1063/1.3297904
PG 3
WC Physics, Applied
SC Physics
GA 552UQ
UT WOS:000274319500038
ER
PT J
AU Polikarpov, E
Swensen, JS
Cosimbescu, L
Koech, PK
Rainbolt, JE
Padmaperuma, AB
AF Polikarpov, Evgueni
Swensen, James S.
Cosimbescu, Lelia
Koech, Phillip K.
Rainbolt, James E.
Padmaperuma, Asanga B.
TI Emission zone control in blue organic electrophosphorescent devices
through chemical modification of host materials
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE charge exchange; organic light emitting diodes; organic semiconductors;
phosphorescence
ID PHOSPHORESCENT OLEDS; ELECTROLUMINESCENT DEVICES; STABILITY; EFFICIENCY
AB We report blue organic light-emitting devices with iridium (III) bis[(4,6-difluorophenyl)-pyridinato-N,C(2')] picolinate as an emitter doped into a series of phosphine oxide-based host materials that have significantly different charge transport properties: 4-(diphenylphosphoryl)-N,N-diphenylaniline (HM-A1), N-(4-diphenylphosphoryl phenyl) carbazole (PO12), 9-[6-(diphenylphosphoryl)pyridin-3-yl]-9H-carbazole (HM-A5), and 6-(diphenylphosphoryl)-N,N-diphenylpyridin-3-amine (HM-A6). Depending on the nature of the host material, the location of the emission zone can be moved within the emissive layer from the hole transport layer interface to the electron-transport layer interface. The charge transport properties of the materials were evaluated using single carrier devices.
C1 [Polikarpov, Evgueni; Swensen, James S.; Cosimbescu, Lelia; Koech, Phillip K.; Rainbolt, James E.; Padmaperuma, Asanga B.] Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99352 USA.
RP Polikarpov, E (reprint author), Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99352 USA.
EM asanga.padmaperuma@pnl.gov
OI Koech, Phillip/0000-0003-2996-0593
FU U.S. Department of Energy [M68004043, DE-AC06-76RLO 1830]
FX This project was funded by the Solid Sate Lighting Program of the U.S.
Department of Energy, within the Building Technologies Program (BT),
Award No. M68004043 and managed by the National Energy Technology
Laboratory (NETL). Pacific Northwest National Laboratory (PNNL) is
operated by Battelle Memorial Institute for the U. S. Department of
Energy (DOE) under Contract No. DE-AC06-76RLO 1830. The authors also
thank Professor Franky So and Dr. Neetu Chopra of University of Florida,
Gainesville for helpful discussions.
NR 19
TC 12
Z9 12
U1 0
U2 5
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 1
PY 2010
VL 96
IS 5
AR 053306
DI 10.1063/1.3298556
PG 3
WC Physics, Applied
SC Physics
GA 552UQ
UT WOS:000274319500105
ER
PT J
AU Puzyrev, YS
Tuttle, BR
Schrimpf, RD
Fleetwood, DM
Pantelides, ST
AF Puzyrev, Y. S.
Tuttle, B. R.
Schrimpf, R. D.
Fleetwood, D. M.
Pantelides, S. T.
TI Theory of hot-carrier-induced phenomena in GaN high-electron-mobility
transistors
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE density functional theory; gallium compounds; high electron mobility
transistors; hot carriers; hydrogenation; III-V semiconductors;
luminescence; vacancies (crystal); wide band gap semiconductors
ID 1ST-PRINCIPLES CALCULATIONS; NITRIDES; DEFECTS
AB It has long been known that GaN high-electron-mobility transistors can degrade significantly under hot electron stress. More recently, an increase in the yellow luminescence was observed under similar stress conditions. The two phenomena have been attributed to defects but no specific physical mechanism has been proposed. Here we report first-principles density-functional calculations of hydrogenated Ga vacancies and show that hydrogen release by hot electrons provides an explanation for both phenomena.
C1 [Puzyrev, Y. S.; Tuttle, B. R.; Fleetwood, D. M.; Pantelides, S. T.] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA.
[Tuttle, B. R.] Penn State Behrend Coll, Dept Phys, Erie, PA 16563 USA.
[Schrimpf, R. D.; Fleetwood, D. M.; Pantelides, S. T.] Vanderbilt Univ, Dept Elect Engn & Comp Sci, Nashville, TN 37235 USA.
[Pantelides, S. T.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Puzyrev, YS (reprint author), Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA.
EM yevgeniy.s.puzyrev@vanderbilt.edu
RI Schrimpf, Ronald/L-5549-2013
OI Schrimpf, Ronald/0000-0001-7419-2701
FU Office of Naval research MURI [N-00014-08-100655]; Vanderbilt University
FX This work was supported in part by the Office of Naval research MURI
under Grant No. N-00014-08-100655 and by the McMinn Endowment at
Vanderbilt University.
NR 21
TC 22
Z9 22
U1 2
U2 18
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 1
PY 2010
VL 96
IS 5
AR 053505
DI 10.1063/1.3293008
PG 3
WC Physics, Applied
SC Physics
GA 552UQ
UT WOS:000274319500112
ER
PT J
AU Richard, MI
Highland, MJ
Fister, TT
Munkholm, A
Mei, J
Streiffer, SK
Thompson, C
Fuoss, PH
Stephenson, GB
AF Richard, M. -I.
Highland, M. J.
Fister, T. T.
Munkholm, A.
Mei, J.
Streiffer, S. K.
Thompson, Carol
Fuoss, P. H.
Stephenson, G. B.
TI In situ synchrotron x-ray studies of strain and composition evolution
during metal-organic chemical vapor deposition of InGaN
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE gallium compounds; III-V semiconductors; indium compounds; MOCVD;
semiconductor growth; stress relaxation; wide band gap semiconductors;
X-ray diffraction
ID LOCALIZED EXCITONS; ELASTIC PROPERTIES; THERMAL-EXPANSION;
LIGHT-EMISSION; QUANTUM-WELLS; LAYERS; EPILAYERS; GAN
AB Composition and strain inhomogeneities strongly affect the optoelectronic properties of InGaN but their origin has been unclear. Here we report real-time x-ray reciprocal space mapping that reveals the development of strain and composition distributions during metal-organic chemical vapor deposition of In(x)Ga(1-x)N on GaN. Strong, correlated inhomogeneities of the strain state and In fraction x arise during growth in a manner consistent with models for instabilities driven by strain relaxation.
C1 [Richard, M. -I.; Highland, M. J.; Fister, T. T.; Fuoss, P. H.; Stephenson, G. B.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Richard, M. -I.] Univ Paul Cezanne Aix Marseille, IM2NP, Fac Sci St Jerome, F-13397 Marseille, France.
[Highland, M. J.; Stephenson, G. B.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
[Munkholm, A.; Mei, J.] Philips Lumileds Lighting Co, San Jose, CA 95131 USA.
[Thompson, Carol] No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA.
RP Richard, MI (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM stephenson@anl.gov
RI Richard, Marie-Ingrid/F-6693-2012
OI Richard, Marie-Ingrid/0000-0002-8172-3141
FU U. S. Dept. of Energy, Office of Science, Office of Basic Energy
Sciences [DE-AC02-06CH11357]
FX Work at Argonne National Laboratory including use of the Advanced Photon
Source and Center for Nanoscal Materials was supported by the U. S.
Dept. of Energy, Office of Science, Office of Basic Energy Sciences,
under Contract No. DE-AC02-06CH11357.
NR 25
TC 17
Z9 17
U1 3
U2 31
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 1
PY 2010
VL 96
IS 5
AR 051911
DI 10.1063/1.3293441
PG 3
WC Physics, Applied
SC Physics
GA 552UQ
UT WOS:000274319500039
ER
PT J
AU Sichel, RJ
Grigoriev, A
Do, DH
Baek, SH
Jang, HW
Folkman, CM
Eom, CB
Cai, ZH
Evans, PG
AF Sichel, Rebecca J.
Grigoriev, Alexei
Do, Dal-Hyun
Baek, Seung-Hyub
Jang, Ho-Won
Folkman, Chad M.
Eom, Chang-Beom
Cai, Zhonghou
Evans, Paul G.
TI Anisotropic relaxation and crystallographic tilt in BiFeO3 on miscut
SrTiO3 (001)
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE bismuth compounds; epitaxial growth; polarisation; relaxation; strontium
compounds; substrates; thin films; X-ray diffraction
ID THIN-FILM HETEROSTRUCTURES; LAYERS; DISLOCATIONS; NUCLEATION
AB Epitaxial BiFeO3 thin films on miscut (001) SrTiO3 substrates relax via mechanisms leading to an average rotation of the crystallographic axes of the BiFeO3 layer with respect to the substrate. The angle of the rotation reaches a maximum in the plane defined by the surface normal of the film and the direction of the surface miscut. X-ray microdiffraction images show that each BiFeO3 mosaic block is rotated by a slightly different angle and contains multiple polarization domains. These effects lead to a complicated overall symmetry in BiFeO3 thin films. This relaxation mechanism can be extended to other complex oxides.
C1 [Sichel, Rebecca J.; Grigoriev, Alexei; Do, Dal-Hyun; Baek, Seung-Hyub; Jang, Ho-Won; Folkman, Chad M.; Eom, Chang-Beom; Evans, Paul G.] Univ Wisconsin, Mat Sci Program, Madison, WI 53706 USA.
[Cai, Zhonghou] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Sichel, RJ (reprint author), Univ Wisconsin, Mat Sci Program, Madison, WI 53706 USA.
EM evans@engr.wisc.edu
RI Evans, Paul/A-9260-2009; Baek, Seung-Hyub/B-9189-2013; Eom,
Chang-Beom/I-5567-2014; Jang, Ho Won/D-9866-2011
OI Evans, Paul/0000-0003-0421-6792; Jang, Ho Won/0000-0002-6952-7359
FU National Science Foundation [DMR-0705370, ECCS-0708759]; U. S.
Department of Energy; Office of Science; Office of Basic Energy Sciences
[W-31-109-Eng-38]; Office of Naval Research [N00014-07-1-0215]
FX This work was supported by the National Science Foundation under Grant
No. DMR-0705370. Use of the Advanced Photon Source was supported by the
U. S. Department of Energy, Office of Science, Office of Basic Energy
Sciences, under Contract No. W-31-109-Eng-38. C. B. E. acknowledges the
financial support of the National Science Foundation through Grant No.
ECCS-0708759 and the Office of Naval Research through Grant No.
N00014-07-1-0215.
NR 15
TC 10
Z9 10
U1 2
U2 26
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 1
PY 2010
VL 96
IS 5
AR 051901
DI 10.1063/1.3299256
PG 3
WC Physics, Applied
SC Physics
GA 552UQ
UT WOS:000274319500029
ER
PT J
AU Su, MF
Olsson, RH
Leseman, ZC
El-Kady, I
AF Su, M. F.
Olsson, R. H., III
Leseman, Z. C.
El-Kady, I.
TI Realization of a phononic crystal operating at gigahertz frequencies
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE finite difference time-domain analysis; phononic crystals; slabs
AB We report on the experimental realization of a phononic crystal, designed to operate at gigahertz frequencies. Detailed studies of the structure have been performed using finite difference time domain method to determine effects of slab modes in finite-thickness slabs, thus enabling precise guidance of experimental efforts. In particular, we find the slab mode effects mitigated in ultrathin (thickness less than lattice periodicity) and ultrathick (thickness more than ten times lattice periodicity) slabs. Gigahertz-frequency phononic crystals are well poised to find usage as high-Q resonators, waveguides, and coupling elements in a variety of application areas including RF communications.
C1 [Su, M. F.; El-Kady, I.] Univ New Mexico, Dept Elect & Comp Engn, Albuquerque, NM 87131 USA.
[Olsson, R. H., III] Sandia Natl Labs, Dept Adv MEMS, Albuquerque, NM 87185 USA.
[Leseman, Z. C.] Univ New Mexico, Dept Mech Engn, Albuquerque, NM 87131 USA.
[El-Kady, I.] Sandia Natl Labs, Dept Photon Microsyst Technol, Albuquerque, NM 87185 USA.
RP Su, MF (reprint author), Univ New Mexico, Dept Elect & Comp Engn, Albuquerque, NM 87131 USA.
EM ielkady@sandia.gov
RI El-Kady, Ihab/D-2886-2013
OI El-Kady, Ihab/0000-0001-7417-9814
FU Sandia National Laboratories
FX This work was supported by the Laboratory Directed Research and
Development program at Sandia National Laboratories. Sandia National
Laboratories is a multiprogram laboratory operated by the Sandia
Corporation, Lockheed Martin Co., for the United States Department of
Energy's National Nuclear Security Administration under Contract No.
DE-AC04-94AL85000.
NR 7
TC 41
Z9 41
U1 0
U2 7
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 1
PY 2010
VL 96
IS 5
AR 053111
DI 10.1063/1.3280376
PG 3
WC Physics, Applied
SC Physics
GA 552UQ
UT WOS:000274319500092
ER
PT J
AU Wierer, JJ
Fischer, AJ
Koleske, DD
AF Wierer, J. J., Jr.
Fischer, A. J.
Koleske, D. D.
TI The impact of piezoelectric polarization and nonradiative recombination
on the performance of (0001) face GaN/InGaN photovoltaic devices
SO APPLIED PHYSICS LETTERS
LA English
DT Article
DE carrier lifetime; current density; dielectric polarisation;
electron-hole recombination; gallium compounds; III-V semiconductors;
indium compounds; photovoltaic effects; piezoelectricity; semiconductor
diodes; semiconductor heterojunctions; wide band gap semiconductors
ID MULTIPLE-QUANTUM WELLS; CENTERS; GAN
AB The impact of piezoelectric polarization and nonradiative recombination on the short-circuit current densities (J(sc)) of (0001) face GaN/InGaN photovoltaic devices is demonstrated. P-i-n diodes consisting of 170 nm thick intrinsic In(0.09)Ga(0.91)N layers sandwiched by GaN layers exhibit low J(sc)similar to 40 mu A/cm(2). The piezoelectric polarization at the GaN/InGaN heterointerfaces creates drift currents opposite in direction needed for efficient carrier collection. Also, nonradiative recombination centers produce short carrier lifetimes, limiting J(sc). Alternative structures with intrinsic InGaN layers sandwiched by n-type InGaN or graded In(y)Ga(1-y)N (y=0-0.09) layer and a p-type In(0.015)Ga(0.985)N layer have favorable potentials, longer carrier lifetimes, and improve J(sc) to similar to 0.40 mA/cm(2).
C1 [Wierer, J. J., Jr.; Fischer, A. J.; Koleske, D. D.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Wierer, JJ (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM jwierer@sandia.gov
RI Wierer, Jonathan/G-1594-2013
OI Wierer, Jonathan/0000-0001-6971-4835
FU Laboratory Directed Research and Development program; United States
Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]
FX The authors acknowledge funding support from the Laboratory Directed
Research and Development program as well as technical contributions by
K. Fullmer, A. Coley, and C. Carmignani. Sandia is a multi-program
laboratory operated by Sandia Corporation, a Lockheed Martin Co., for
the United States Department of Energy's National Nuclear Security
Administration under Contract No. DE-AC04-94AL85000.
NR 16
TC 48
Z9 52
U1 4
U2 26
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0003-6951
J9 APPL PHYS LETT
JI Appl. Phys. Lett.
PD FEB 1
PY 2010
VL 96
IS 5
AR 051107
DI 10.1063/1.3301262
PG 3
WC Physics, Applied
SC Physics
GA 552UQ
UT WOS:000274319500007
ER
PT J
AU Wiggins, M
McKenney, K
Dieckmann, J
Brodrick, J
AF Wiggins, Matthew
McKenney, Kurtis
Dieckmann, John
Brodrick, James
TI Solid-State Lighting, Part 2: Applications
SO ASHRAE JOURNAL
LA English
DT Editorial Material
C1 [Wiggins, Matthew; McKenney, Kurtis; Dieckmann, John] TIAX LLC, Cambridge, MA USA.
[Brodrick, James] US DOE, Bldg Technol Program, Washington, DC USA.
RP Wiggins, M (reprint author), TIAX LLC, Cambridge, MA USA.
NR 7
TC 1
Z9 1
U1 0
U2 2
PU AMER SOC HEATING REFRIGERATING AIR-CONDITIONING ENG, INC,
PI ATLANTA
PA 1791 TULLIE CIRCLE NE, ATLANTA, GA 30329 USA
SN 0001-2491
J9 ASHRAE J
JI ASHRAE J.
PD FEB
PY 2010
VL 52
IS 2
BP 78
EP +
PG 3
WC Thermodynamics; Construction & Building Technology; Engineering,
Mechanical
SC Thermodynamics; Construction & Building Technology; Engineering
GA 555KT
UT WOS:000274510400020
ER
PT J
AU Saunders, MJ
Graves, SW
Sklar, LA
Oprea, TI
Edwards, BS
AF Saunders, Matthew J.
Graves, Steven W.
Sklar, Larry A.
Oprea, Tudor I.
Edwards, Bruce S.
TI High-Throughput Multiplex Flow Cytometry Screening for Botulinum
Neurotoxin Type A Light Chain Protease Inhibitors
SO ASSAY AND DRUG DEVELOPMENT TECHNOLOGIES
LA English
DT Article
ID SNARE MOTIF; SEROTYPE-A; IN-VITRO; EBSELEN; ANTIOXIDANT; SUBSTRATE;
AGENTS; METALLOPROTEINASES; PROTEOLYSIS; DISCOVERY
AB Given their medical importance, proteases have been studied by diverse approaches and screened for small molecule protease inhibitors. Here, we present a multiplexed microsphere-based protease assay that uses high-throughput flow cytometry to screen for inhibitors of the light chain protease of botulinum neurotoxin type A (BoNTALC). Our assay uses a full-length substrate and several deletion mutants screened in parallel to identify small molecule inhibitors. The use of multiplex flow cytometry has the advantage of using full-length substrates, which contain already identified distal-binding elements for the BoNTALC, and could lead to a new class of BoNTALC inhibitors. In this study, we have screened 880 off patent drugs and bioavailable compounds to identify ebselen as an in vitro inhibitor of BoNTALC. This discovery demonstrates the validity of our microsphere-based approach and illustrates its potential for high-throughput screening for inhibitors of proteases in general.
C1 [Saunders, Matthew J.; Graves, Steven W.] Univ New Mexico, Ctr Biomed Engn, Dept Chem & Nucl Engn, Albuquerque, NM 87131 USA.
[Saunders, Matthew J.; Sklar, Larry A.; Oprea, Tudor I.; Edwards, Bruce S.] Univ New Mexico, Ctr Mol Discovery, Albuquerque, NM 87131 USA.
[Saunders, Matthew J.; Sklar, Larry A.; Oprea, Tudor I.; Edwards, Bruce S.] Univ New Mexico, Dept Pathol, Albuquerque, NM 87131 USA.
[Oprea, Tudor I.] Univ New Mexico, Div Biocomp, Dept Biochem & Mol Biol, Albuquerque, NM 87131 USA.
[Saunders, Matthew J.; Graves, Steven W.] Los Alamos Natl Lab, Natl Flow Cytometry Resource, Los Alamos, NM USA.
RP Saunders, MJ (reprint author), Univ New Mexico, Ctr Biomed Engn, Dept Chem & Nucl Engn, MSC01 1140-1, Albuquerque, NM 87131 USA.
EM msaunders@salud.unm.edu
RI Oprea, Tudor/A-5746-2011
OI Oprea, Tudor/0000-0002-6195-6976
FU National Flow Cytometry Resource from the National Center for Research
Resources, NIH [RR001315]; Joint Sciences Technologies Laboratory [JSTL
26Q4]; University of New Mexico Center for Molecular Discovery
[MH077425, MH084690]; Cancer Center [CA118100]
FX This work was supported by the National Flow Cytometry Resource from the
National Center for Research Resources, NIH grant RR001315. Additional
funding was supplied by a Joint Sciences Technologies Laboratory grant
JSTL 26Q4 and by the University of New Mexico Center for Molecular
Discovery MH077425 and MH084690 and Cancer Center CA118100.
NR 33
TC 13
Z9 13
U1 1
U2 11
PU MARY ANN LIEBERT INC
PI NEW ROCHELLE
PA 140 HUGUENOT STREET, 3RD FL, NEW ROCHELLE, NY 10801 USA
SN 1540-658X
J9 ASSAY DRUG DEV TECHN
JI ASSAY DRUG DEV. TECHNOL.
PD FEB
PY 2010
VL 8
IS 1
BP 37
EP 46
DI 10.1089/adt.2009.0219
PG 10
WC Biochemical Research Methods; Pharmacology & Pharmacy
SC Biochemistry & Molecular Biology; Pharmacology & Pharmacy
GA 560GX
UT WOS:000274891400002
PM 20035615
ER
PT J
AU Plotkin, RM
Anderson, SF
Brandt, WN
Diamond-Stanic, AM
Fan, XH
Hall, PB
Kimball, AE
Richmond, MW
Schneider, DP
Shemmer, O
Voges, W
York, DG
Bahcall, NA
Snedden, S
Bizyaev, D
Brewington, H
Malanushenko, V
Malanushenko, E
Oravetz, D
Pan, K
AF Plotkin, Richard M.
Anderson, Scott F.
Brandt, W. N.
Diamond-Stanic, Aleksandar M.
Fan, Xiaohui
Hall, Patrick B.
Kimball, Amy E.
Richmond, Michael W.
Schneider, Donald P.
Shemmer, Ohad
Voges, Wolfgang
York, Donald G.
Bahcall, Neta A.
Snedden, Stephanie
Bizyaev, Dmitry
Brewington, Howard
Malanushenko, Viktor
Malanushenko, Elena
Oravetz, Dan
Pan, Kaike
TI OPTICALLY SELECTED BL LACERTAE CANDIDATES FROM THE SLOAN DIGITAL SKY
SURVEY DATA RELEASE SEVEN
SO ASTRONOMICAL JOURNAL
LA English
DT Article
DE BL Lacertae objects: general; galaxies: active; quasars: general;
surveys
ID ABSORPTION-LINE QUASARS; RADIO BLAZAR SURVEY; ROSAT ALL-SKY; SURVEY
COMMISSIONING DATA; ACTIVE GALACTIC NUCLEI; SPACE-TELESCOPE SURVEY; 5TH
DATA RELEASE; X-RAY; HIGH-REDSHIFT; LUMINOSITY FUNCTION
AB We present a sample of 723 optically selected BL Lac candidates from the Sloan Digital Sky Survey Data Release 7 (SDSS DR7) spectroscopic database encompassing 8250 deg(2) of sky; our sample constitutes one of the largest uniform BL Lac samples yet derived. Each BL Lac candidate has a high-quality SDSS spectrum from which we determine spectroscopic redshifts for similar to 60% of the objects. Redshift lower limits are estimated for the remaining objects utilizing the lack of host galaxy flux contamination in their optical spectra; we find that objects lacking spectroscopic redshifts are likely at systematically higher redshifts. Approximately 80% of our BL Lac candidates match to a radio source in FIRST/NVSS, and similar to 40% match to a ROSAT X-ray source. The homogeneous multi-wavelength coverage allows subdivision of the sample into 637 radio-loud BL Lac candidates and 86 weak-featured radio-quiet objects. The radio-loud objects broadly support the standard paradigm unifying BL Lac objects with beamed radio galaxies. We propose that the majority of the radio-quiet objects may be lower-redshift (z < 2.2) analogs to high-redshift weak line quasars (i.e., active galactic nucleus with unusually anemic broad emission line regions). These would constitute the largest sample of such objects, being of similar size and complementary in redshift to the samples of high-redshift weak line quasars previously discovered by the SDSS. However, some fraction of the weak-featured radio-quiet objects may instead populate a rare and extreme radio-weak tail of the much larger radio-loud BL Lac population. Serendipitous discoveries of unusual white dwarfs, high-redshift weak line quasars, and broad absorption line quasars with extreme continuum dropoffs blueward of rest-frame 2800 angstrom are also briefly described.
C1 [Plotkin, Richard M.; Anderson, Scott F.; Kimball, Amy E.] Univ Washington, Dept Astron, Seattle, WA 98195 USA.
[Brandt, W. N.; Schneider, Donald P.] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA.
[Diamond-Stanic, Aleksandar M.; Fan, Xiaohui] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA.
[Hall, Patrick B.] York Univ, Dept Phys & Astron, Toronto, ON M3J 1P3, Canada.
[Richmond, Michael W.] Rochester Inst Technol, Dept Phys, Rochester, NY 14623 USA.
[Shemmer, Ohad] Univ N Texas, Dept Phys, Denton, TX 76203 USA.
[Voges, Wolfgang] Max Planck Inst Extraterr Phys, D-85741 Garching, Germany.
[Voges, Wolfgang] Max Planck Digital Lib, D-80799 Munich, Germany.
[York, Donald G.] Univ Chicago, Chicago, IL 60637 USA.
[York, Donald G.] Fermi Inst, Chicago, IL 60637 USA.
[Bahcall, Neta A.] Princeton Univ Observ, Princeton, NJ 08544 USA.
[Snedden, Stephanie; Bizyaev, Dmitry; Brewington, Howard; Malanushenko, Viktor; Malanushenko, Elena; Oravetz, Dan; Pan, Kaike] Apache Point Observ, Sunspot, NM 88349 USA.
RP Plotkin, RM (reprint author), Univ Washington, Dept Astron, POB 351580, Seattle, WA 98195 USA.
EM plotkin@astro.washington.edu; anderson@astro.washington.edu
RI Brandt, William/N-2844-2015; Plotkin, Richard/I-3221-2016;
OI Brandt, William/0000-0002-0167-2453; Plotkin,
Richard/0000-0002-7092-0326; Shemmer, Ohad/0000-0003-4327-1460
FU NASA/ADP [NNG05GC45G]; National Aeronautics and Space Administration
[GO9-0126X]; National Aeronautics Space Administration [NAS8-3060]; NASA
LTSA [NAG5-13035]; NSF [AST-0507259]
FX We thank the referee for providing excellent suggestions for improving
this manuscript. R. M. P. and S. F. A. gratefully acknowledge support
from NASA/ADP grant NNG05GC45G. Support for this work was provided by
the National Aeronautics and Space Administration through Chandra Award
Number GO9-0126X issued by the Chandra X-ray Observatory Center, which
is operated by the Smithsonian Astrophysical Observatory for and on
behalf of the National Aeronautics Space Administration under contract
NAS8-3060. W. N. B. acknowledges support from NASA LTSA grant
NAG5-13035. A. E. K. acknowledges support from NSF grant AST-0507259 to
the University of Washington and an NSF Graduate Research Fellowship.
This research has made use of software provided by the Chandra X-ray
Center (CXC) in the application package CIAO. Funding for the SDSS and
SDSS-II has been provided by the Alfred P. Sloan Foundation, the
Participating Institutions, the National Science Foundation, the U. S.
Department of Energy, the National Aeronautics and Space Administration,
the Japanese Monbukagakusho, the Max Planck Society, and the Higher
Education Funding Council for England. The SDSS Web site is
http://www.sdss.org/. The SDSS is managed by the Astrophysical Research
Consortium for the Participating Institutions. The Participating
Institutions are the American Museum of Natural History, Astrophysical
Institute Potsdam, University of Basel, Cambridge University,
CaseWestern Reserve University, University of Chicago, Drexel
University, Fermilab, the Institute forAdvanced Study, the Japan
ParticipationGroup, Johns Hopkins University, the Joint Institute for
Nuclear Astrophysics, the Kavli Institute for Particle Astrophysics and
Cosmology, the Korean Scientist Group, the Chinese Academy of Sciences
(LAMOST), Los Alamos National Laboratory, the Max-Planck-Institute for
Astronomy (MPIA), the Max-Planck-Institute for Astrophysics (MPA), New
Mexico State University, Ohio State University, University of
Pittsburgh, University of Portsmouth, Princeton University, the United
States Naval Observatory, and the University of Washington.
NR 85
TC 66
Z9 66
U1 1
U2 5
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0004-6256
J9 ASTRON J
JI Astron. J.
PD FEB
PY 2010
VL 139
IS 2
BP 390
EP 414
DI 10.1088/0004-6256/139/2/390
PG 25
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 544FY
UT WOS:000273640200008
ER
PT J
AU Graham, ML
Pritchet, CJ
Sullivan, M
Howell, DA
Gwyn, SDJ
Astier, P
Balland, C
Basa, S
Carlberg, RG
Conley, A
Fouchez, D
Guy, J
Hardin, D
Hook, IM
Pain, R
Perrett, K
Regnault, N
Rich, J
Balam, D
Fabbro, S
Hsiao, EY
Mourao, A
Palanque-Delabrouille, N
Perlmutter, S
Ruhlman-Kleider, V
Suzuki, N
Fakhouri, HK
Walker, ES
AF Graham, M. L.
Pritchet, C. J.
Sullivan, M.
Howell, D. A.
Gwyn, S. D. J.
Astier, P.
Balland, C.
Basa, S.
Carlberg, R. G.
Conley, A.
Fouchez, D.
Guy, J.
Hardin, D.
Hook, I. M.
Pain, R.
Perrett, K.
Regnault, N.
Rich, J.
Balam, D.
Fabbro, S.
Hsiao, E. Y.
Mourao, A.
Palanque-Delabrouille, N.
Perlmutter, S.
Ruhlman-Kleider, V.
Suzuki, N.
Fakhouri, H. K.
Walker, E. S.
TI THE TYPE Ia SUPERNOVA RATE IN RADIO AND INFRARED GALAXIES FROM THE
CANADA-FRANCE-HAWAII TELESCOPE SUPERNOVA LEGACY SURVEY
SO ASTRONOMICAL JOURNAL
LA English
DT Article
DE supernovae: general
ID VLT DEEP SURVEY; STAR-FORMATION; HOST GALAXIES; SKY SURVEY; LUMINOSITY;
SPACE; FIELD; PROGENITORS; MASS; ULTRAVIOLET
AB We have combined the large SN Ia database of the Canada-France-Hawaii Telescope Supernova Legacy Survey and catalogs of galaxies with photometric redshifts, Very Large Array 1.4 GHz radio sources, and Spitzer infrared sources. We present eight SNe Ia in early-type host galaxies which have counterparts in the radio and infrared source catalogs. We find the SN Ia rate in subsets of radio and infrared early-type galaxies is similar to 1-5 times the rate in all early-type galaxies, and that any enhancement is always less than or similar to 2 sigma. Rates in these subsets are consistent with predictions of the two-component "A+B" SN Ia rate model. Since infrared properties of radio SN Ia hosts indicate dust-obscured star formation, we incorporate infrared star formation rates into the "A+B" model. We also show the properties of SNe Ia in radio and infrared galaxies suggest the hosts contain dust and support a continuum of delay time distributions (DTDs) for SNe Ia, although other DTDs cannot be ruled out based on our data.
C1 [Graham, M. L.; Pritchet, C. J.; Balam, D.; Fabbro, S.; Hsiao, E. Y.] Univ Victoria, Dept Phys & Astron, Victoria, BC V8T 1M8, Canada.
[Sullivan, M.; Hook, I. M.; Walker, E. S.] Univ Oxford Astrophys, Oxford OX1 3RH, England.
[Howell, D. A.] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA.
[Gwyn, S. D. J.] NRC Herzberg Inst Astrophys, Canadian Astron Data Ctr, Victoria, BC V9E 2E7, Canada.
[Astier, P.; Balland, C.; Guy, J.; Hardin, D.; Pain, R.; Regnault, N.] CNRS, IN2P3, LPNHE, F-75252 Paris 05, France.
[Astier, P.; Balland, C.; Guy, J.; Hardin, D.; Pain, R.; Regnault, N.] Univ Paris 06, F-75252 Paris 05, France.
[Astier, P.; Balland, C.; Guy, J.; Hardin, D.; Pain, R.; Regnault, N.] Univ Paris 07, F-75252 Paris 05, France.
[Basa, S.] LAM, F-13388 Marseille 13, France.
[Carlberg, R. G.; Perrett, K.] Univ Toronto, Dept Astron & Astrophys, Toronto, ON M5S 3H8, Canada.
[Conley, A.] Univ Colorado, Dept Astrophys & Planetary Sci, Boulder, CO 80309 USA.
[Fouchez, D.] CNRS, IN2P3, CPPM, F-13288 Marseille 9, France.
[Fouchez, D.] Univ Aix Marseille 2, F-13288 Marseille 9, France.
[Hook, I. M.] Osserv Astron Roma, INAF, I-00040 Monte Porzio Catone, RM, Italy.
[Rich, J.; Palanque-Delabrouille, N.; Ruhlman-Kleider, V.] CEA Saclay, DSM, Irfu, Spp, F-91191 Gif Sur Yvette, France.
[Fabbro, S.; Mourao, A.] CENTRA Ctr M Astrofis, Lisbon, Portugal.
[Fabbro, S.; Mourao, A.] IST, Dept Phys, Lisbon, Portugal.
[Hsiao, E. Y.; Perlmutter, S.; Suzuki, N.; Fakhouri, H. K.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Graham, ML (reprint author), Univ Victoria, Dept Phys & Astron, POB 3055 STN CSC, Victoria, BC V8T 1M8, Canada.
RI Carlberg, Raymond/I-6947-2012; Perlmutter, Saul/I-3505-2015; Mourao,
Ana/K-9133-2015;
OI Carlberg, Raymond/0000-0002-7667-0081; Perlmutter,
Saul/0000-0002-4436-4661; Mourao, Ana/0000-0002-0855-1849; Sullivan,
Mark/0000-0001-9053-4820
FU National Research Council (NRC) of Canada; Institut National des Science
de l'Univers of the Centre National de la Recherche Scientifique (CNRS)
of France; University of Hawaii; Association of Universities for
Research in Astronomy, Inc.; National Science Foundation (United
States); Science and Technology Facilities Council (United Kingdom);
National Research Council (Canada),; CONICYT (Chile); Australian
Research Council (Australia); Ministerio da Ciencia e Tecnologia
(Brazil); Ministerio de Ciencia, Tecnologia e Innovacion Productiva
(Argentina) Gemini [GS-2003B-Q-8, GN-2003B-Q-9,, GS-2004A-Q-11,
GN2004A-Q-19, GS-2004B-Q-31, GN-2004B-Q-16, GS-2005AQ-11, GN-2005A-Q-11,
GS-2005B-Q-6, GN-2005B-Q-7, GN2006A-Q-7, GN-2006B-Q-10]; National
Aeronautics and Space Administration; National Science Foundation;
NSERC; University of Victoria; Province of British Columbia through the
Ministry of Advanced Education; Fundaca para a Ciencia e Tecnologia,
Portugal [SFRH/BPD/31817/006, POCTI/CTE-AST/57664/2004]
FX We gratefully acknowledge the CFHT Queued Service Observations team, all
SNLS collaboration members, Olivier Ilbert and Henry McCracken for early
access to and correspondence regarding the photometric redshift galaxy
catalog, and Enrico Cappellaro for access to the C99 galaxy and
supernova samples. M. L. G. acknowledges Colin Borys, Dave Patton, and
Stephane Amouts for their advice. This work is based in part on
observations obtained with MegaPrime/MegaCam, a joint project of CFHT
and CEA/DAPNIA, at the CFHT which is operated by the National Research
Council (NRC) of Canada, the Institut National des Science de l'Univers
of the Centre National de la Recherche Scientifique (CNRS) of France,
and the University of Hawaii. This work is also based in part of data
products produced at the Canadian Astronomy Data Centre as part of the
CFHT Legacy Survey, a collaborative project of NRC and CNRS. This work
is also based in part on observations obtained at the Gemini
Observatory, which is operated by the Association of Universities for
Research in Astronomy, Inc., under a cooperative agreement with the NSF
on behalf of the Gemini partnership: the National Science Foundation
(United States), the Science and Technology Facilities Council (United
Kingdom), the National Research Council (Canada), CONICYT (Chile), the
Australian Research Council (Australia), Ministerio da Ciencia e
Tecnologia (Brazil), and Ministerio de Ciencia, Tecnologia e Innovacion
Productiva (Argentina) Gemini identification numbers of the programs
under which these observations were taken are: GS-2003B-Q-8,
GN-2003B-Q-9, GS-2004A-Q-11, GN2004A-Q-19, GS-2004B-Q-31, GN-2004B-Q-16,
GS-2005AQ-11, GN-2005A-Q-11, GS-2005B-Q-6, GN-2005B-Q-7, GN2006A-Q-7,
and GN-2006B-Q-10. This research has made use of the NASA/IPAC Infrared
Science Archive, which is operated by the Jet Propulsion Laboratory,
California Institute of Technology, under contract with the National
Aeronautics and Space Administration. This publication has also made use
of data products from the Two Micron All Sky Survey, which is a joint
project of the University of Massachusetts and the Infrared Processing
and Analysis Center/California Institute of Technology, funded by the
National Aeronautics and Space Administration and the National Science
Foundation. This work has been supported by NSERC and the University of
Victoria. M. L. G. gratefully acknowledges the financial support of the
Province of British Columbia through the Ministry of Advanced Education.
M. S. acknowledges support from the Royal Society. S. F. acknowledges
support from Fundaca para a Ciencia e Tecnologia, Portugal, under grant
SFRH/BPD/31817/006 and project POCTI/CTE-AST/57664/2004.
NR 71
TC 6
Z9 6
U1 0
U2 2
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0004-6256
J9 ASTRON J
JI Astron. J.
PD FEB
PY 2010
VL 139
IS 2
BP 594
EP 605
DI 10.1088/0004-6256/139/2/594
PG 12
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 544FY
UT WOS:000273640200021
ER
PT J
AU Kim, DW
Protopapas, P
Alcock, C
Byun, YI
Kyeong, J
Lee, BC
Wright, NJ
Axelrod, T
Bianco, FB
Chen, WP
Coehlo, NK
Cook, KH
Dave, R
King, SK
Lee, T
Lehner, MJ
Lin, HC
Marshall, SL
Porrata, R
Rice, JA
Schwamb, ME
Wang, JH
Wang, SY
Wen, CY
Zhang, ZW
AF Kim, D. -W.
Protopapas, P.
Alcock, C.
Byun, Y. -I.
Kyeong, J.
Lee, B. -C.
Wright, N. J.
Axelrod, T.
Bianco, F. B.
Chen, W. -P.
Coehlo, N. K.
Cook, K. H.
Dave, R.
King, S. -K.
Lee, T.
Lehner, M. J.
Lin, H. -C.
Marshall, S. L.
Porrata, R.
Rice, J. A.
Schwamb, M. E.
Wang, J. -H.
Wang, S. -Y.
Wen, C. -Y.
Zhang, Z. -W.
TI THE TAIWAN-AMERICAN OCCULTATION SURVEY PROJECT STELLAR VARIABILITY. I.
DETECTION OF LOW-AMPLITUDE delta SCUTI STARS
SO ASTRONOMICAL JOURNAL
LA English
DT Article
DE stars: variables: delta Scuti; methods: data analysis; surveys
ID VARIABLE-STARS; STROMGREN PHOTOMETRY; GAMMA-DORADUS; SCT STARS; CATALOG;
ASTEROSEISMOLOGY; PULSATION; CLUSTER; CLASSIFICATION; SATELLITE
AB We analyzed data accumulated during 2005 and 2006 by the Taiwan-American Occultation Survey (TAOS) in order to detect short-period variable stars (periods of less than or similar to 1 hr) such as delta Scuti. TAOS is designed for the detection of stellar occultation by small-size Kuiper Belt Objects and is operating four 50 cm telescopes at an effective cadence of 5 Hz. The four telescopes simultaneously monitor the same patch of the sky in order to reduce false positives. To detect short-period variables, we used the fast Fourier transform algorithm (FFT) in as much as the data points in TAOS light curves are evenly spaced. Using FFT, we found 41 short-period variables with amplitudes smaller than a few hundredths of a magnitude and periods of about an hour, which suggest that they are low-amplitude d Scuti stars. The light curves of TAOS d Scuti stars are accessible online at the Time Series Center Web site (http://timemachine.iic.harvard.edu).
C1 [Kim, D. -W.; Protopapas, P.; Alcock, C.; Wright, N. J.; Bianco, F. B.; Lehner, M. J.] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA.
[Kim, D. -W.; Protopapas, P.; Dave, R.] Harvard Univ, Sch Engn & Appl Sci, Initiat Innovat Comp, Cambridge, MA 02138 USA.
[Kim, D. -W.; Byun, Y. -I.] Yonsei Univ, Dept Astron, Seoul 120749, South Korea.
[Kyeong, J.; Lee, B. -C.] Korea Astron & Space Sci Inst, Taejon 305348, South Korea.
[Axelrod, T.] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA.
[Bianco, F. B.; Lehner, M. J.] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA.
[Chen, W. -P.; Lin, H. -C.; Wang, J. -H.; Zhang, Z. -W.] Natl Cent Univ, Inst Astron, Jhongli 320, Taoyuan County, Taiwan.
[Coehlo, N. K.; Rice, J. A.] Univ Calif Berkeley, Dept Stat, Berkeley, CA 94720 USA.
[Cook, K. H.; Marshall, S. L.] Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USA.
[King, S. -K.; Lee, T.; Lehner, M. J.; Wang, J. -H.; Wang, S. -Y.; Wen, C. -Y.; Zhang, Z. -W.] Acad Sinica, Inst Astron & Astrophys, Taipei 106, Taiwan.
[Marshall, S. L.] Kavli Inst Particle Astrophys & Cosmol, Menlo Pk, CA 94025 USA.
[Porrata, R.] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA.
[Schwamb, M. E.] CALTECH, Div Geol & Planetary Sci, Pasadena, CA 91125 USA.
RP Kim, DW (reprint author), Harvard Smithsonian Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA.
RI Lee, Typhoon/N-8347-2013
FU National Research Foundation of Korea [2009-0075376]; NSC
[96-2112-M-008-024-MY3]; National Science Foundation [AST-0501681]; NASA
[NNG04G113G]; U.S. Department of Energy by Lawrence Livermore National
Laboratory [W-7405-Eng-48, DE-AC52-07NA27344]; Stanford Linear
Accelerator Center [DE-AC02-76SF00515]; FAS Research Computing Group at
the Harvard; [AS-88-TP-A02]
FX Y.-I. Byun acknowledges the support of the National Research Foundation
of Korea through Grant 2009-0075376. The work at National Central
University was supported by the grant NSC 96-2112-M-008-024-MY3. Work at
Academia Sinica was supported in part by the thematic research program
AS-88-TP-A02. Work at the Harvard College Observatory was supported in
part by the National Science Foundation under grant AST-0501681 and by
NASA under grant NNG04G113G. S. L. M.'s work was performed under the
auspices of the U.S. Department of Energy by Lawrence Livermore National
Laboratory in part under Contract W-7405-Eng-48 and by Stanford Linear
Accelerator Center under Contract DE-AC02-76SF00515. K. H. Cook's work
was performed under the auspices of the U.S. Department of Energy by
Lawrence Livermore National Laboratory in part under Contract
W-7405-Eng-48 and in part under Contract DE-AC52-07NA27344. We also
thank J. D. Hartman at Harvard-Smithsonian Center for Astrophysics for
useful discussion.; The detrending and the analysis of data sets in this
paper were run on the Odyssey cluster supported by the FAS Research
Computing Group at the Harvard. This research has made use of the SIMBAD
database, operated at CDS, Strasbourg, France. IRAF is distributed by
the National Optical Astronomy Observatories, which are operated by the
Association of Universities for Research in Astronomy, Inc., under
cooperative agreement with the National Science Foundation.
NR 60
TC 6
Z9 6
U1 0
U2 2
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0004-6256
EI 1538-3881
J9 ASTRON J
JI Astron. J.
PD FEB
PY 2010
VL 139
IS 2
BP 757
EP 764
DI 10.1088/0004-6256/139/2/757
PG 8
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 544FY
UT WOS:000273640200033
ER
PT J
AU Perez-Ramirez, D
Postigo, AD
Gorosabel, J
Aloy, MA
Johannesson, G
Guerrero, MA
Osborne, JP
Page, KL
Warwick, RS
Horvath, I
Veres, P
Jelinek, M
Kubanek, P
Guziy, S
Bremer, M
Winters, JM
Riva, A
Castro-Tirado, AJ
AF Perez-Ramirez, D.
de Ugarte Postigo, A.
Gorosabel, J.
Aloy, M. A.
Johannesson, G.
Guerrero, M. A.
Osborne, J. P.
Page, K. L.
Warwick, R. S.
Horvath, I.
Veres, P.
Jelinek, M.
Kubanek, P.
Guziy, S.
Bremer, M.
Winters, J. M.
Riva, A.
Castro-Tirado, A. J.
TI Detection of the high z GRB 080913 and its implications on progenitors
and energy extraction mechanisms
SO ASTRONOMY & ASTROPHYSICS
LA English
DT Article
DE stars: gamma-ray bursts: individual: GRB 080913; techniques:
photometric; Cosmology: observations
ID GAMMA-RAY BURSTS; COMPACT OBJECT MERGERS; NEUTRON-STAR MERGERS;
BLACK-HOLES; CORE-COLLAPSE; HOST GALAXY; AXISYMMETRICAL SIMULATIONS;
HIGH-REDSHIFT; AFTERGLOW; GRB-050724
AB Aims. We present multiwavelength observations of one of the most distant gamma-ray bursts detected so far, GRB080913. Based on these observations, we consider whether it could be classified as a short-duration GRB and discuss the implications for the progenitor nature and energy extraction mechanisms.
Methods. Multiwavelength X-ray, near IR and millimetre observations were made between 20.7 h and similar to 16.8 days after the event.
Results. Whereas a very faint afterglow was seen at the 3.5m CAHA telescope in the nIR, the X-ray afterglow was clearly detected in both Swift and XMM-Newton observations. An upper limit is reported in the mm range. We have modeled the data assuming a collimated theta(0) greater than or similar to 3 degrees blast wave with an energy injection at similar to 0.5 days carrying 5 similar to 10(52) erg or approximately 12 times the initial energy of the blast wave. We find that GRB 080913 shares many of the gamma-ray diagnostics with the more recent burst GRB 090423 for being classified as short had they ocurred at low redshift. If the progenitor were a compact binary merger, it is likely composed by a NS and BH. The Blandford-Znajek (BZ) mechanism is the preferred one to extract energy from the central, maximally-rotating BH. Both the magnetic field close to the event horizon (B) and the BH mass (M-bh) are restricted within a relatively narrow range, such that (B/3 x 10(16) G)(M-bh/7 M-circle dot) similar to 1. Similar constraints on the central BH hold for collapsar-like progenitor systems if the BZ-mechanism works for the system at hand.
C1 [Perez-Ramirez, D.] Univ Jaen, Dept Fis, Jaen 23071, Spain.
[Perez-Ramirez, D.; Osborne, J. P.; Page, K. L.; Warwick, R. S.] Univ Leicester, Dept Phys & Astron, Leicester LE1 7RH, Leics, England.
[de Ugarte Postigo, A.] European So Observ, Santiago 19, Chile.
[Gorosabel, J.; Guerrero, M. A.; Jelinek, M.; Kubanek, P.; Guziy, S.; Castro-Tirado, A. J.] CSIC, IAA, E-18080 Granada, Spain.
[Aloy, M. A.] Univ Valencia, Dept Astron & Astrophys, E-46100 Valencia, Spain.
[Johannesson, G.] Stanford Univ, Dept Phys, Stanford, CA 94305 USA.
[Johannesson, G.] Stanford Univ, SLAC, Natl Accelerator Lab, Stanford, CA 94305 USA.
[Horvath, I.; Veres, P.] Bolyai Mil Univ, Dept Phys, H-1581 Budapest, Hungary.
[Veres, P.] Eotvos Lorand Univ, Dept Phys Complex Syst, H-1117 Budapest, Hungary.
[Kubanek, P.] Univ Valencia, ICMOL, GACE, Edif Inst Invest, Valencia 46980, Spain.
[Guziy, S.] Nikolaev State Univ, UA-54030 Nikolayev, Ukraine.
[Bremer, M.; Winters, J. M.] IRAM, F-38406 St Martin Dheres, France.
[Riva, A.] Osserv Astron Brera, INAF, I-23807 Merate, Lc, Italy.
RP Perez-Ramirez, D (reprint author), Univ Jaen, Dept Fis, Campus Las Lagunillas, Jaen 23071, Spain.
EM dperez@ujaen.es
RI Kubanek, Petr/G-7209-2014; Aloy, Miguel/K-9941-2014; Johannesson,
Gudlaugur/O-8741-2015; Jelinek, Martin/E-5290-2016;
OI Aloy, Miguel/0000-0002-5552-7681; Johannesson,
Gudlaugur/0000-0003-1458-7036; Jelinek, Martin/0000-0003-3922-7416;
Riva, Alberto/0000-0002-6928-8589; Castro-Tirado, A.
J./0000-0003-2999-3563; Guerrero, Martin/0000-0002-7759-106X; de Ugarte
Postigo, Antonio/0000-0001-7717-5085
FU Centre National de la Recherche Scientifique (France); Max Planck
Gesellschaft (Germany); Instituto Geografico Nacional (Spain); NASA;
NSF; Jose Castillejo; ESO; STFC; OTKA [T48870, K77795]; Spanish MICINN
[AYA2007-63677, AYA2008-03467/ESP, AYA2007-67626-C03-01, CSD2007-00050]
FX We thank the generous allocation of observing time by different Time
Allocation Committees. This work is partially based on observations
collected at the Centro Astronomico Hispano Aleman (CAHA) at Calar Alto,
operated jointly by the Max-Planck Institut fur Astronomie and the
Instituto de Astrofisica de Andalucia (CSIC). IRAM is an international
institute funded by the Centre National de la Recherche Scientifique
(France), the Max Planck Gesellschaft (Germany) and the Instituto
Geografico Nacional (Spain). This work made use of data supplied by the
UK Swift Science Data Centre at the University of Leicester and of data
products from the Two Micron All Sky Survey (2MASS), 2MASS, which is a
joint project of the Univ. of Massachusetts and the IR Processing and
Analysis Center/CalTech, funded by NASA and NSF. We thank the assistance
of D. Cristobal Hornillos. DPR acknowledges support from the "Jose
Castillejo" program. AdUP acknowledges support from an ESO fellowship.
M. A. A. is a Ramon y Cajal Fellow. J.O. and K. P. acknowledge the
support of the STFC. I. H. and V. P. acknowledge support from OTKA
grants T48870 and K77795. This research has also been partially
supported by the Spanish MICINN under the programmes AYA2007-63677,
AYA2008-03467/ESP, AYA2007-67626-C03-01 and CSD2007-00050.
NR 56
TC 6
Z9 6
U1 0
U2 2
PU EDP SCIENCES S A
PI LES ULIS CEDEX A
PA 17, AVE DU HOGGAR, PA COURTABOEUF, BP 112, F-91944 LES ULIS CEDEX A,
FRANCE
SN 0004-6361
J9 ASTRON ASTROPHYS
JI Astron. Astrophys.
PD FEB
PY 2010
VL 510
AR A105
DI 10.1051/0004-6361/200811151
PG 6
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 574RB
UT WOS:000276009100024
ER
PT J
AU Abraham, J
Abreu, P
Aglietta, M
Aguirre, C
Ahn, EJ
Allard, D
Allekotte, I
Allen, J
Allison, P
Alvarez-Muniz, J
Ambrosio, M
Anchordoqui, L
Andringa, S
Anzalone, A
Aramo, C
Arganda, E
Argiro, S
Arisaka, K
Arneodo, F
Arqueros, F
Asch, T
Asorey, H
Assis, P
Aublin, J
Ave, M
Avila, G
Backer, T
Badagnani, D
Barber, KB
Barbosa, AF
Barroso, SLC
Baughman, B
Bauleo, P
Beatty, JJ
Beau, T
Becker, BR
Becker, KH
Belletoile, A
Bellido, JA
BenZvi, S
Berat, C
Bernardini, P
Bertou, X
Biermann, PL
Billoir, P
Blanch-Bigas, O
Blanco, F
Bleve, C
Blumer, H
Bohacova, M
Bonifazi, C
Bonino, R
Borodai, N
Brack, J
Brogueira, P
Brown, WC
Bruijn, R
Buchholz, P
Bueno, A
Burton, RE
Busca, NG
Caballero-Mora, KS
Caramete, L
Caruso, R
Carvalho, W
Castellina, A
Catalano, O
Cazon, L
Cester, R
Chauvin, J
Chiavassa, A
Chinellato, JA
Chou, A
Chudoba, J
Chye, J
Clay, RW
Colombo, E
Conceicao, R
Connolly, B
Contreras, F
Coppens, J
Cordier, A
Cotti, U
Coutu, S
Covault, CE
Creusot, A
Criss, A
Cronin, J
Curutiu, A
Dagoret-Campagne, S
Dallier, R
Daumiller, K
Dawson, BR
de Almeida, RM
De Domenico, M
De Donato, C
de Jong, SJ
De La Vega, G
de Mello, WJM
Neto, JRTD
De Mitri, I
de Souza, V
de Vries, KD
Decerprit, G
del Peral, L
Deligny, O
Della Selva, A
Delle Fratte, C
Dembinski, H
Di Giulio, C
Diaz, JC
Diep, PN
Dobrigkeit, C
D'Olivo, JC
Dong, PN
Dornic, D
Dorofeev, A
dos Anjos, JC
Dova, MT
D'Urso, D
Dutan, I
DuVernois, MA
Engel, R
Erdmann, M
Escobar, CO
Etchegoyen, A
San Luis, PF
Falcke, H
Farrar, G
Fauth, AC
Fazzini, N
Ferrer, F
Ferrero, A
Fick, B
Filevich, A
Filipcic, A
Fleck, I
Fliescher, S
Fracchiolla, CE
Fraenkel, ED
Fulgione, W
Gamarra, RF
Gambetta, S
Garcia, B
Gamez, DG
Garcia-Pinto, D
Garrido, X
Gelmini, G
Gemmeke, H
Ghia, PL
Giaccari, U
Giller, M
Glass, H
Goggin, LM
Gold, MS
Golup, G
Albarracin, FG
Berisso, MG
Goncalves, P
do Amaral, MG
Gonzalez, D
Gonzalez, JG
Gora, D
Gorgi, A
Gouffon, P
Grashorn, E
Grebe, S
Grigat, M
Grillo, AF
Guardincerri, Y
Guarino, F
Guedes, GP
Gutierrez, J
Hague, JD
Halenka, V
Hansen, P
Harari, D
Harmsma, S
Harton, JL
Haungs, A
Healy, MD
Hebbeker, T
Hebrero, G
Heck, D
Hojvat, C
Holmes, VC
Homola, P
Horandel, JR
Horneffer, A
Hrabovsky, M
Huege, T
Hussain, M
Iarlori, M
Insolia, A
Ionita, F
Italiano, A
Jiraskova, S
Kaducak, M
Kampert, KH
Karova, T
Kasper, P
Kegl, B
Keilhauer, B
Kemp, E
Kieckhafer, RM
Klages, HO
Kleifges, M
Kleinfeller, J
Knapik, R
Knapp, J
Koang, DH
Krieger, A
Kromer, O
Kruppke-Hansen, D
Kuempel, D
Kunka, N
Kusenko, A
La Rosa, G
Lachaud, C
Lago, BL
Lautridou, P
Leao, MSAB
Lebrun, D
Lebrun, P
Lee, J
de Oliveira, MAL
Lemiere, A
Letessier-Selvon, A
Leuthold, M
Lhenry-Yvon, I
Lopez, R
Aguera, AL
Louedec, K
Bahilo, JL
Lucero, A
Garcia, RL
Lyberis, H
Maccarone, MC
Macolino, C
Maldera, S
Mandat, D
Mantsch, P
Mariazzi, AG
Maris, IC
Falcon, HRM
Martello, D
Martinez, J
Bravo, OM
Mathes, HJ
Matthews, J
Matthews, JAJ
Matthiae, G
Maurizio, D
Mazur, PO
McEwen, M
McNeil, RR
Medina-Tanco, G
Melissas, M
Melo, D
Menichetti, E
Menshikov, A
Meyhandan, R
Micheletti, MI
Miele, G
Miller, W
Miramonti, L
Mollerach, S
Monasor, M
Ragaigne, DM
Montanet, F
Morales, B
Morello, C
Moreno, JC
Morris, C
Mostafa, M
Moura, CA
Mueller, S
Muller, MA
Mussa, R
Navarra, G
Navarro, JL
Navas, S
Necesal, P
Nellen, L
Newman-Holmes, C
Newton, D
Nhung, PT
Nierstenhoefer, N
Nitz, D
Nosek, D
Nozka, L
Nyklicek, M
Oehischlager, J
Olinto, A
Oliva, P
Olmos-Gilbaja, VM
Ortiz, M
Ortolani, F
Pacheco, N
Selmi-Dei, DP
Palatka, M
Pallotta, J
Parente, G
Parizot, E
Parlati, S
Pastor, S
Patel, M
Paul, T
Pavlidou, V
Payet, K
Pech, M
Pekala, J
Pelayo, R
Pepe, IM
Perrone, L
Pesce, R
Petermann, E
Petrera, S
Petrinca, P
Petrolini, A
Petrov, Y
Petrovic, J
Pfendner, C
Piegaia, R
Pierog, T
Pimenta, M
Pinto, T
Pirrpnello, V
Pisanti, O
Platino, M
Pochon, J
Ponce, VH
Pontz, M
Privitera, P
Prouza, M
Quel, EJ
Rautenberg, J
Ravel, O
Ravignani, D
Redondo, A
Reucroft, S
Revenu, B
Rezende, FAS
Ridky, J
Riggi, S
Risse, M
Riviere, C
Rizzi, V
Robledo, C
Rodriguez, G
Martino, JR
Rojo, JR
Rodriguez-Cabo, I
Rodriguez-Frias, MD
Ros, G
Rosado, J
Rossler, T
Roth, M
Rouille-d'Orfeuil, A
Roulet, E
Rovero, AC
Salamida, F
Salazar, H
Salina, G
Sanchez, F
Santander, M
Santo, CE
Santos, EM
Sarazin, F
Sarkar, S
Sato, R
Scharf, N
Scherini, V
Schieler, H
Schiffer, P
Schmidt, A
Schmidt, F
Schmidt, T
Scholten, O
Schoorlemmer, H
Schovancova, J
Schovanek, P
Schroeder, F
Schulte, S
Schussler, F
Schuster, D
Sciutto, SJ
Scuderi, M
Segreto, A
Semikoz, D
Settimo, M
Shellard, RC
Sidelnik, I
Siffert, BB
Smialkowski, A
Smida, R
Smith, BE
Snow, GR
Sommers, P
Sorokin, J
Spinka, H
Squartini, R
Strazzeri, E
Stutz, A
Suarez, F
Suomijarvi, T
Supanitsky, AD
Sutherland, MS
Swain, J
Szadowski, Z
Tamashiro, A
Tamburro, A
Tarutina, T
Tascau, O
Tcaciuc, R
Tcherniakhovski, D
Thao, NT
Thomas, D
Ticona, R
Tiffenberg, J
Timmermans, C
Tkaczyk, W
Peixoto, CJT
Tome, B
Tonachini, A
Torres, I
Travnicek, P
Tridapalli, DB
Tristram, G
Trovato, E
Tuci, V
Tueros, M
Ulrich, R
Unger, M
Urban, M
Galicia, JFV
Valino, I
Valore, L
van den Berg, AM
Vazquez, JR
Vazquez, RA
Veberic, D
Velarde, A
Venters, T
Verzi, V
Videla, M
Villasenor, L
Vorobiov, S
Voyvodic, L
Wahlberg, H
Wahrlich, P
Wainberg, O
Warner, D
Watson, AA
Westerhoff, S
Whelan, BJ
Wieczorek, G
Wiencke, L
Wilczyn'ska, B
Wilczyn'ski, H
Wileman, C
Winnick, MG
Wu, H
Wundheiler, B
Yamamoto, T
Younk, P
Yuan, G
Zas, E
Zavrtanik, D
Zavrtanik, M
Zaw, I
Zepeda, A
Ziolkowski, M
AF Abraham, J.
Abreu, P.
Aglietta, M.
Aguirre, C.
Ahn, E. J.
Allard, D.
Allekotte, I.
Allen, J.
Allison, P.
Alvarez-Muniz, J.
Ambrosio, M.
Anchordoqui, L.
Andringa, S.
Anzalone, A.
Aramo, C.
Arganda, E.
Argiro, S.
Arisaka, K.
Arneodo, F.
Arqueros, F.
Asch, T.
Asorey, H.
Assis, P.
Aublin, J.
Ave, M.
Avila, G.
Baecker, T.
Badagnani, D.
Barber, K. B.
Barbosa, A. F.
Barroso, S. L. C.
Baughman, B.
Bauleo, P.
Beatty, J. J.
Beau, T.
Becker, B. R.
Becker, K. H.
Belletoile, A.
Bellido, J. A.
BenZvi, S.
Berat, C.
Bernardini, P.
Bertou, X.
Biermann, P. L.
Billoir, P.
Blanch-Bigas, O.
Blanco, F.
Bleve, C.
Bluemer, H.
Bohacova, M.
Bonifazi, C.
Bonino, R.
Borodai, N.
Brack, J.
Brogueira, P.
Brown, W. C.
Bruijn, R.
Buchholz, P.
Bueno, A.
Burton, R. E.
Busca, N. G.
Caballero-Mora, K. S.
Caramete, L.
Caruso, R.
Carvalho, W.
Castellina, A.
Catalano, O.
Cazon, L.
Cester, R.
Chauvin, J.
Chiavassa, A.
Chinellato, J. A.
Chou, A.
Chudoba, J.
Chye, J.
Clay, R. W.
Colombo, E.
Conceicao, R.
Connolly, B.
Contreras, F.
Coppens, J.
Cordier, A.
Cotti, U.
Coutu, S.
Covault, C. E.
Creusot, A.
Criss, A.
Cronin, J.
Curutiu, A.
Dagoret-Campagne, S.
Dallier, R.
Daumiller, K.
Dawson, B. R.
de Almeida, R. M.
De Domenico, M.
De Donato, C.
de Jong, S. J.
De La Vega, G.
de Mello, W. J. M., Jr.
de Mello Neto, J. R. T.
De Mitri, I.
de Souza, V.
de Vries, K. D.
Decerprit, G.
del Peral, L.
Deligny, O.
Della Selva, A.
Delle Fratte, C.
Dembinski, H.
Di Giulio, C.
Diaz, J. C.
Diep, P. N.
Dobrigkeit, C.
D'Olivo, J. C.
Dong, P. N.
Dornic, D.
Dorofeev, A.
dos Anjos, J. C.
Dova, M. T.
D'Urso, D.
Dutan, I.
DuVernois, M. A.
Engel, R.
Erdmann, M.
Escobar, C. O.
Etchegoyen, A.
Facal San Luis, P.
Falcke, H.
Farrar, G.
Fauth, A. C.
Fazzini, N.
Ferrer, F.
Ferrero, A.
Fick, B.
Filevich, A.
Filipcic, A.
Fleck, I.
Fliescher, S.
Fracchiolla, C. E.
Fraenkel, E. D.
Fulgione, W.
Gamarra, R. F.
Gambetta, S.
Garcia, B.
Garcia Gamez, D.
Garcia-Pinto, D.
Garrido, X.
Gelmini, G.
Gemmeke, H.
Ghia, P. L.
Giaccari, U.
Giller, M.
Glass, H.
Goggin, L. M.
Gold, M. S.
Golup, G.
Gomez Albarracin, F.
Gomez Berisso, M.
Goncalves, P.
do Amaral, M. Goncalves
Gonzalez, D.
Gonzalez, J. G.
Gora, D.
Gorgi, A.
Gouffon, P.
Grashorn, E.
Grebe, S.
Grigat, M.
Grillo, A. F.
Guardincerri, Y.
Guarino, F.
Guedes, G. P.
Gutierrez, J.
Hague, J. D.
Halenka, V.
Hansen, P.
Harari, D.
Harmsma, S.
Harton, J. L.
Haungs, A.
Healy, M. D.
Hebbeker, T.
Hebrero, G.
Heck, D.
Hojvat, C.
Holmes, V. C.
Homola, P.
Horandel, J. R.
Horneffer, A.
Hrabovsky, M.
Huege, T.
Hussain, M.
Iarlori, M.
Insolia, A.
Ionita, F.
Italiano, A.
Jiraskova, S.
Kaducak, M.
Kampert, K. H.
Karova, T.
Kasper, P.
Kegl, B.
Keilhauer, B.
Kemp, E.
Kieckhafer, R. M.
Klages, H. O.
Kleifges, M.
Kleinfeller, J.
Knapik, R.
Knapp, J.
Koang, D. -H.
Krieger, A.
Kroemer, O.
Kruppke-Hansen, D.
Kuempel, D.
Kunka, N.
Kusenko, A.
La Rosa, G.
Lachaud, C.
Lago, B. L.
Lautridou, P.
Leao, M. S. A. B.
Lebrun, D.
Lebrun, P.
Lee, J.
Leigui de Oliveira, M. A.
Lemiere, A.
Letessier-Selvon, A.
Leuthold, M.
Lhenry-Yvon, I.
Lopez, R.
Lopez Agueera, A.
Louedec, K.
Lozano Bahilo, J.
Lucero, A.
Garcia, R. Luna
Lyberis, H.
Maccarone, M. C.
Macolino, C.
Maldera, S.
Mandat, D.
Mantsch, P.
Mariazzi, A. G.
Maris, I. C.
Marquez Falcon, H. R.
Martello, D.
Martinez, J.
Martinez Bravo, O.
Mathes, H. J.
Matthews, J.
Matthews, J. A. J.
Matthiae, G.
Maurizio, D.
Mazur, P. O.
McEwen, M.
McNeil, R. R.
Medina-Tanco, G.
Melissas, M.
Melo, D.
Menichetti, E.
Menshikov, A.
Meyhandan, R.
Micheletti, M. I.
Miele, G.
Miller, W.
Miramonti, L.
Mollerach, S.
Monasor, M.
Ragaigne, D. Monnier
Montanet, F.
Morales, B.
Morello, C.
Moreno, J. C.
Morris, C.
Mostafa, M.
Moura, C. A.
Mueller, S.
Muller, M. A.
Mussa, R.
Navarra, G.
Navarro, J. L.
Navas, S.
Necesal, P.
Nellen, L.
Newman-Holmes, C.
Newton, D.
Nhung, P. T.
Nierstenhoefer, N.
Nitz, D.
Nosek, D.
Nozka, L.
Nyklicek, M.
Oehischlaeger, J.
Olinto, A.
Oliva, P.
Olmos-Gilbaja, V. M.
Ortiz, M.
Ortolani, F.
Pacheco, N.
Selmi-Dei, D. Pakk
Palatka, M.
Pallotta, J.
Parente, G.
Parizot, E.
Parlati, S.
Pastor, S.
Patel, M.
Paul, T.
Pavlidou, V.
Payet, K.
Pech, M.
Pekala, J.
Pelayo, R.
Pepe, I. M.
Perrone, L.
Pesce, R.
Petermann, E.
Petrera, S.
Petrinca, P.
Petrolini, A.
Petrov, Y.
Petrovic, J.
Pfendner, C.
Piegaia, R.
Pierog, T.
Pimenta, M.
Pinto, T.
Pirrpnello, V.
Pisanti, O.
Platino, M.
Pochon, J.
Ponce, V. H.
Pontz, M.
Privitera, P.
Prouza, M.
Quel, E. J.
Rautenberg, J.
Ravel, O.
Ravignani, D.
Redondo, A.
Reucroft, S.
Revenu, B.
Rezende, F. A. S.
Ridky, J.
Riggi, S.
Risse, M.
Riviere, C.
Rizzi, V.
Robledo, C.
Rodriguez, G.
Martino, J. Rodriguez
Rodriguez Rojo, J.
Rodriguez-Cabo, I.
Rodriguez-Frias, M. D.
Ros, G.
Rosado, J.
Rossler, T.
Roth, M.
Rouille-d'Orfeuil, A.
Roulet, E.
Rovero, A. C.
Salamida, F.
Salazar, H.
Salina, G.
Sanchez, F.
Santander, M.
Santo, C. E.
Santos, E. M.
Sarazin, F.
Sarkar, S.
Sato, R.
Scharf, N.
Scherini, V.
Schieler, H.
Schiffer, P.
Schmidt, A.
Schmidt, F.
Schmidt, T.
Scholten, O.
Schoorlemmer, H.
Schovancova, J.
Schovanek, P.
Schroeder, F.
Schulte, S.
Schuessler, F.
Schuster, D.
Sciutto, S. J.
Scuderi, M.
Segreto, A.
Semikoz, D.
Settimo, M.
Shellard, R. C.
Sidelnik, I.
Siffert, B. B.
Smialkowski, A.
Smida, R.
Smith, B. E.
Snow, G. R.
Sommers, P.
Sorokin, J.
Spinka, H.
Squartini, R.
Strazzeri, E.
Stutz, A.
Suarez, F.
Suomijaervi, T.
Supanitsky, A. D.
Sutherland, M. S.
Swain, J.
Szadowski, Z.
Tamashiro, A.
Tamburro, A.
Tarutina, T.
Tascau, O.
Tcaciuc, R.
Tcherniakhovski, D.
Thao, N. T.
Thomas, D.
Ticona, R.
Tiffenberg, J.
Timmermans, C.
Tkaczyk, W.
Todero Peixoto, C. J.
Tome, B.
Tonachini, A.
Torres, I.
Travnicek, P.
Tridapalli, D. B.
Tristram, G.
Trovato, E.
Tuci, V.
Tueros, M.
Ulrich, R.
Unger, M.
Urban, M.
Valdes Galicia, J. F.
Valino, I.
Valore, L.
van den Berg, A. M.
Vazquez, J. R.
Vazquez, R. A.
Veberic, D.
Velarde, A.
Venters, T.
Verzi, V.
Videla, M.
Villasenor, L.
Vorobiov, S.
Voyvodic, L.
Wahlberg, H.
Wahrlich, P.
Wainberg, O.
Warner, D.
Watson, A. A.
Westerhoff, S.
Whelan, B. J.
Wieczorek, G.
Wiencke, L.
Wilczyn'ska, B.
Wilczyn'ski, H.
Wileman, C.
Winnick, M. G.
Wu, H.
Wundheiler, B.
Yamamoto, T.
Younk, P.
Yuan, G.
Zas, E.
Zavrtanik, D.
Zavrtanik, M.
Zaw, I.
Zepeda, A.
Ziolkowski, M.
CA Pierre Auger Collaboration
TI Atmospheric effects on extensive air showers observed with the surface
detector of the Pierre Auger observatory (vol 32, pg 89, 2009)
SO ASTROPARTICLE PHYSICS
LA English
DT Correction
C1 [Bernardini, P.; Bleve, C.; De Mitri, I.; Giaccari, U.; Martello, D.; Perrone, L.; Settimo, M.] Univ Salento, Dipartimento Fis, Lecce, Italy.
[Bernardini, P.; Bleve, C.; De Mitri, I.; Giaccari, U.; Martello, D.; Perrone, L.; Settimo, M.] Sezione Ist Nazl Fis Nucl, Lecce, Italy.
[Allekotte, I.; Asorey, H.; Bertou, X.; Golup, G.; Gomez Berisso, M.; Harari, D.; Mollerach, S.; Pochon, J.; Ponce, V. H.; Roulet, E.] Ctr Atom Bariloche, San Carlos De Bariloche, Rio Negro, Argentina.
[Allekotte, I.; Asorey, H.; Bertou, X.; Golup, G.; Gomez Berisso, M.; Harari, D.; Mollerach, S.; Pochon, J.; Ponce, V. H.; Roulet, E.] Consejo Nacl Invest Cient & Tecn, CNEA, UNCuyo, Inst Balseiro, San Carlos De Bariloche, Rio Negro, Argentina.
[Colombo, E.; Etchegoyen, A.; Ferrero, A.; Filevich, A.; Gamarra, R. F.; Krieger, A.; Micheletti, M. I.; Platino, M.; Ravignani, D.; Sidelnik, I.; Suarez, F.; Wainberg, O.; Wundheiler, B.] UTN FRBA, CONICET, Comis Nacl Energia Atom, Ctr Atom Constituyentes, Buenos Aires, DF, Argentina.
[Guardincerri, Y.; Piegaia, R.; Tiffenberg, J.] Univ Buenos Aires, Dept Fis, FCEyN, RA-1053 Buenos Aires, DF, Argentina.
[Badagnani, D.; Dova, M. T.; Gomez Albarracin, F.; Hansen, P.; Mariazzi, A. G.; Moreno, J. C.; Sciutto, S. J.; Tarutina, T.; Tueros, M.; Wahlberg, H.] Univ Nacl La Plata, IFLP, La Plata, Buenos Aires, Argentina.
[Badagnani, D.; Dova, M. T.; Gomez Albarracin, F.; Hansen, P.; Mariazzi, A. G.; Moreno, J. C.; Sciutto, S. J.; Tarutina, T.; Tueros, M.; Wahlberg, H.] Consejo Nacl Invest Cient & Tecn, La Plata, Buenos Aires, Argentina.
[Rovero, A. C.; Tamashiro, A.] Consejo Nacl Invest Cient & Tecn, Inst Astron & Fis Espacio, RA-1033 Buenos Aires, DF, Argentina.
[Abraham, J.; De La Vega, G.; Garcia, B.; Videla, M.] CNEA, CONICET, UTN FRM, Observ Meteorol Parque Gral San Martin, Mendoza, Argentina.
[Avila, G.; Contreras, F.; Rodriguez Rojo, J.; Santander, M.; Sato, R.; Squartini, R.] Pierre Auger So Observ, Malargue, Argentina.
[Avila, G.] Comis Nacl Energia Atom, Malargue, Argentina.
[Barber, K. B.; Bellido, J. A.; Clay, R. W.; Dawson, B. R.; Holmes, V. C.; Sorokin, J.; Wahrlich, P.; Whelan, B. J.; Winnick, M. G.] Univ Adelaide, Adelaide, SA, Australia.
[Aguirre, C.] Univ Catolica Bolivia, La Paz, Plurinational S, Bolivia.
[Barbosa, A. F.; dos Anjos, J. C.; Rezende, F. A. S.; Shellard, R. C.] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil.
[Fracchiolla, C. E.; Shellard, R. C.] Pontificia Univ Catolica Rio de Janeiro, Rio De Janeiro, Brazil.
[de Souza, V.] Univ Sao Paulo, Inst Fis, Sao Carlos, SP, Brazil.
[Carvalho, W.; Gouffon, P.; Tridapalli, D. B.] Univ Sao Paulo, Inst Fis, BR-01498 Sao Paulo, Brazil.
[Chinellato, J. A.; de Almeida, R. M.; de Mello, W. J. M., Jr.; Dobrigkeit, C.; Escobar, C. O.; Fauth, A. C.; Kemp, E.; Muller, M. A.; Selmi-Dei, D. Pakk] Univ Estadual Campinas, IFGW, Campinas, SP, Brazil.
[Barroso, S. L. C.] Univ Estadual Sudoeste Bahia, Vitoria Da Conquista, BA, Brazil.
[Pepe, I. M.] Univ Fed Bahia, Salvador, BA, Brazil.
[Leao, M. S. A. B.; Leigui de Oliveira, M. A.; Todero Peixoto, C. J.] Univ Fed ABC, Santo Andre, SP, Brazil.
[de Mello Neto, J. R. T.; Lago, B. L.; Santos, E. M.; Siffert, B. B.] Univ Fed Rio de Janeiro, Inst Fis, Rio De Janeiro, Brazil.
[do Amaral, M. Goncalves] Univ Fed Fluminense, Inst Fis, BR-24020 Niteroi, RJ, Brazil.
[Nosek, D.] Charles Univ Prague, Fac Math & Phys, Inst Nucl & Particle Phys, Prague, Czech Republic.
[Bohacova, M.; Chudoba, J.; Hrabovsky, M.; Karova, T.; Mandat, D.; Necesal, P.; Nozka, L.; Nyklicek, M.; Palatka, M.; Pech, M.; Prouza, M.; Ridky, J.; Schovancova, J.; Schovanek, P.; Smida, R.; Travnicek, P.] Acad Sci Czech Republic, Inst Phys, Prague, Czech Republic.
[Halenka, V.; Hrabovsky, M.; Rossler, T.] Palacky Univ, CR-77147 Olomouc, Czech Republic.
[Deligny, O.; Dornic, D.; Ghia, P. L.; Lemiere, A.; Lhenry-Yvon, I.; Lyberis, H.; Suomijaervi, T.; Urban, M.] Univ Paris 11, CNRS, IN2P3, IPNO, F-91405 Orsay, France.
[Allard, D.; Beau, T.; Busca, N. G.; Decerprit, G.; Lachaud, C.; Parizot, E.; Rouille-d'Orfeuil, A.; Semikoz, D.; Tristram, G.] Univ Paris 07, CNRS, IN2P3, Lab AstroParticule & Cosmol APC, Paris, France.
[Cordier, A.; Dagoret-Campagne, S.; Garrido, X.; Kegl, B.; Louedec, K.; Garcia, R. Luna; Ragaigne, D. Monnier; Strazzeri, E.; Wu, H.] Univ Paris 11, CNRS, IN2P3, F-91405 Orsay, France.
[Aublin, J.; Billoir, P.; Blanch-Bigas, O.; Bonifazi, C.; Letessier-Selvon, A.] Univ Paris 06, LPNHE, Paris 05, France.
[Aublin, J.; Billoir, P.; Blanch-Bigas, O.; Bonifazi, C.; Letessier-Selvon, A.] Univ Paris 07, CNRS, IN2P3, Paris 05, France.
[Belletoile, A.; Berat, C.; Chauvin, J.; Koang, D. -H.; Lebrun, D.; Montanet, F.; Payet, K.; Riviere, C.; Stutz, A.] Univ Grenoble 1, CNRS, IN2P3, LPSC,INPG, Grenoble, France.
[Dallier, R.; Lautridou, P.; Ravel, O.; Revenu, B.] CNRS, IN2P3, SUBATECH, Nantes, France.
[Becker, K. H.; Kampert, K. H.; Kruppke-Hansen, D.; Kuempel, D.; Nierstenhoefer, N.; Oliva, P.; Rautenberg, J.; Risse, M.; Scherini, V.; Tascau, O.] Berg Univ Wuppertal, Wuppertal, Germany.
[Bluemer, H.; Daumiller, K.; Engel, R.; Garrido, X.; Haungs, A.; Heck, D.; Huege, T.; Keilhauer, B.; Klages, H. O.; Kleinfeller, J.; Mathes, H. J.; Mueller, S.; Oehischlaeger, J.; Pierog, T.; Roth, M.; Schieler, H.; Schroeder, F.; Schuessler, F.; Ulrich, R.; Unger, M.; Valino, I.] Forschungszentrum Karlsruhe, Inst Kernphys, D-76021 Karlsruhe, Germany.
[Asch, T.; Cazon, L.; Gemmeke, H.; Kleifges, M.; Kroemer, O.; Kunka, N.; Menshikov, A.; Schmidt, A.; Tcherniakhovski, D.] Forschungszentrum Karlsruhe, Inst Prozessdatenverarbeitung & Elekt, D-76021 Karlsruhe, Germany.
[Biermann, P. L.; Caramete, L.; Curutiu, A.; Dutan, I.] Max Planck Inst Radioastron, D-5300 Bonn, Germany.
[Dembinski, H.; Erdmann, M.; Fliescher, S.; Grigat, M.; Hebbeker, T.; Leuthold, M.; Scharf, N.; Schiffer, P.; Schulte, S.] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany.
[Bluemer, H.; Caballero-Mora, K. S.; Gonzalez, D.; Gora, D.; Maris, I. C.; Melissas, M.; Tamburro, A.] Univ Karlsruhe TH, Inst Expt Kernphys IEKP, Karlsruhe, Germany.
[Baecker, T.; Buchholz, P.; Fleck, I.; Pontz, M.; Tcaciuc, R.; Ziolkowski, M.] Univ Siegen, Siegen, Germany.
[Gambetta, S.; Pesce, R.; Petrolini, A.] Univ Genoa, Dipartimento Fis, Genoa, Italy.
[Gambetta, S.; Pesce, R.; Petrolini, A.] Ist Nazl Fis Nucl, I-16146 Genoa, Italy.
[Iarlori, M.; Macolino, C.; Petrera, S.; Rizzi, V.; Salamida, F.] Univ Aquila, I-67100 Laquila, Italy.
[Iarlori, M.; Macolino, C.; Petrera, S.; Rizzi, V.; Salamida, F.] Ist Nazl Fis Nucl, Laquila, Italy.
[De Donato, C.; Miramonti, L.] Univ Milan, Milan, Italy.
[De Donato, C.; Miramonti, L.] Sezione Ist Nazl Fis Nucl, Milan, Italy.
[Ambrosio, M.; Aramo, C.; Della Selva, A.; D'Urso, D.; Guarino, F.; Miele, G.; Moura, C. A.; Pisanti, O.; Valore, L.] Univ Naples Federico 2, Naples, Italy.
[Ambrosio, M.; Aramo, C.; Della Selva, A.; D'Urso, D.; Guarino, F.; Miele, G.; Moura, C. A.; Pisanti, O.; Valore, L.] Sezione Ist Nazl Fis Nucl, Naples, Italy.
[Delle Fratte, C.; Di Giulio, C.; Matthiae, G.; Ortolani, F.; Petrinca, P.; Rodriguez, G.; Salina, G.; Tuci, V.; Verzi, V.] Univ Roma Tor Vergata, I-00173 Rome, Italy.
[Delle Fratte, C.; Di Giulio, C.; Matthiae, G.; Ortolani, F.; Petrinca, P.; Rodriguez, G.; Salina, G.; Tuci, V.; Verzi, V.] Sezione Ist Nazl Fis Nucl, Rome, Italy.
[Caruso, R.; De Domenico, M.; Insolia, A.; Italiano, A.; Pirrpnello, V.; Riggi, S.; Martino, J. Rodriguez; Scuderi, M.; Trovato, E.] Univ Catania, Catania, Italy.
[Caruso, R.; De Domenico, M.; Insolia, A.; Italiano, A.; Pirrpnello, V.; Riggi, S.; Martino, J. Rodriguez; Scuderi, M.; Trovato, E.] Sezione Ist Nazl Fis Nucl, Catania, Italy.
[Bonino, R.; Castellina, A.; Chiavassa, A.; Fulgione, W.; Ghia, P. L.; Gorgi, A.; Lucero, A.; Maldera, S.; Morello, C.; Navarra, G.] Univ Turin, Ist Fis Spazio Interplanetario INAF, Turin, Italy.
[Aglietta, M.; Argiro, S.; Bonino, R.; Castellina, A.; Cester, R.; Chiavassa, A.; Fulgione, W.; Ghia, P. L.; Gorgi, A.; Lucero, A.; Maldera, S.; Maurizio, D.; Melo, D.; Menichetti, E.; Morello, C.; Mussa, R.; Navarra, G.; Tonachini, A.] Sezione Ist Nazl Fis Nucl, Turin, Italy.
[Anzalone, A.; Catalano, O.; La Rosa, G.; Maccarone, M. C.; Schmidt, T.; Segreto, A.] Ist Astrofis Spaziale & Fis Cosm Palermo INAF, Palermo, Italy.
[Arneodo, F.; Grillo, A. F.; Parlati, S.] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, Laquila, Italy.
[Lopez, R.; Martinez Bravo, O.; Robledo, C.; Salazar, H.; Torres, I.] Benemerita Univ Autonoma Puebla, Puebla, Mexico.
[Zepeda, A.] CINVESTAV, IPN, Ctr Invest & Estudios Avanzados, Mexico City 14000, DF, Mexico.
[Martinez, J.; Pelayo, R.] Inst Politecn Nacl, Mexico City, DF, Mexico.
[Cotti, U.; Marquez Falcon, H. R.; Villasenor, L.] Univ Michoacana, Morelia, Michoacan, Mexico.
[D'Olivo, J. C.; Medina-Tanco, G.; Morales, B.; Nellen, L.; Sanchez, F.; Supanitsky, A. D.; Valdes Galicia, J. F.] Univ Nacl Autonoma Mexico, Mexico City 04510, DF, Mexico.
[Coppens, J.; de Jong, S. J.; Falcke, H.; Grebe, S.; Horandel, J. R.; Horneffer, A.; Jiraskova, S.; Schoorlemmer, H.; Timmermans, C.] Radboud Univ Nijmegen, IMAPP, NL-6525 ED Nijmegen, Netherlands.
[de Vries, K. D.; Fraenkel, E. D.; Harmsma, S.; Meyhandan, R.; Scholten, O.; van den Berg, A. M.] Univ Groningen, Kernfys Versneller Inst, Groningen, Netherlands.
[Coppens, J.; Harmsma, S.; Timmermans, C.] NIKHEF, Amsterdam, Netherlands.
[Falcke, H.; Petrovic, J.] ASTRON, Dwingeloo, Netherlands.
[Borodai, N.; Gora, D.; Homola, P.; Pekala, J.; Wilczyn'ska, B.; Wilczyn'ski, H.] Inst Nucl Phys PAN, Krakow, Poland.
[Giller, M.; Smialkowski, A.; Szadowski, Z.; Tkaczyk, W.; Wieczorek, G.] Univ Lodz, PL-90131 Lodz, Poland.
[Abreu, P.; Andringa, S.; Assis, P.; Brogueira, P.; Conceicao, R.; Goncalves, P.; Pimenta, M.; Santo, C. E.; Tome, B.] LIP, P-1000 Lisbon, Portugal.
[Abreu, P.; Andringa, S.; Assis, P.; Brogueira, P.; Conceicao, R.; Goncalves, P.; Pimenta, M.; Santo, C. E.; Tome, B.] Inst Super Tecn, Lisbon, Portugal.
[Filipcic, A.; Veberic, D.; Zavrtanik, D.; Zavrtanik, M.] Jozef Stefan Inst, Ljubljana, Slovenia.
[Creusot, A.; Filipcic, A.; Hussain, M.; Veberic, D.; Vorobiov, S.; Zavrtanik, D.; Zavrtanik, M.] Univ Nova Gorica, Lab Astroparticle Phys, Nova Gorica, Slovenia.
[Pastor, S.; Pinto, T.] Univ Valencia, CSIC, Inst Fis Corpuscular, Valencia, Spain.
[Arganda, E.; Arqueros, F.; Blanco, F.; Garcia-Pinto, D.; Monasor, M.; Ortiz, M.; Ros, G.; Rosado, J.; Vazquez, J. R.] Univ Complutense Madrid, Madrid, Spain.
[del Peral, L.; Gutierrez, J.; Hebrero, G.; McEwen, M.; Pacheco, N.; Redondo, A.; Rodriguez-Frias, M. D.; Ros, G.; Thao, N. T.] Univ Alcala De Henares, Madrid, Spain.
[Bueno, A.; Garcia Gamez, D.; Gonzalez, J. G.; Lozano Bahilo, J.; Navarro, J. L.; Navas, S.] Univ Granada, Granada, Spain.
[Bueno, A.; Garcia Gamez, D.; Gonzalez, J. G.; Lozano Bahilo, J.; Navarro, J. L.; Navas, S.] CAFPE, Granada, Spain.
[Alvarez-Muniz, J.; Facal San Luis, P.; Lopez Agueera, A.; Olmos-Gilbaja, V. M.; Parente, G.; Rodriguez-Cabo, I.; Vazquez, R. A.; Zas, E.] Univ Santiago Compostela, Santiago De Compostela, Spain.
[Sarkar, S.] Univ Oxford, Rudolf Peierls Ctr Theoret Phys, Oxford, England.
[Bruijn, R.; Knapp, J.; Newton, D.; Patel, M.; Smith, B. E.; Watson, A. A.; Wileman, C.] Univ Leeds, Sch Phys & Astron, Leeds LS2 9JT, W Yorkshire, England.
[Spinka, H.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Burton, R. E.; Covault, C. E.; Ferrer, F.] Case Western Reserve Univ, Cleveland, OH 44106 USA.
[Sarazin, F.; Schuster, D.; Wiencke, L.] Colorado Sch Mines, Golden, CO 80401 USA.
[Bauleo, P.; Brack, J.; Harton, J. L.; Knapik, R.; Mostafa, M.; Petrov, Y.; Thomas, D.; Warner, D.; Younk, P.] Colorado State Univ, Ft Collins, CO 80523 USA.
[Brown, W. C.] Colorado State Univ, Pueblo, CO USA.
[Ahn, E. J.; Chou, A.; Fazzini, N.; Glass, H.; Gonzalez, J. G.; Hojvat, C.; Kaducak, M.; Kasper, P.; Lebrun, P.; Mantsch, P.; Mazur, P. O.; Newman-Holmes, C.; Spinka, H.; Voyvodic, L.] Fermilab Natl Accelerator Lab, Batavia, IL USA.
[Dorofeev, A.; Matthews, J.; McNeil, R. R.; Yuan, G.] Louisiana State Univ, Baton Rouge, LA 70803 USA.
[Chye, J.; Diaz, J. C.; Kieckhafer, R. M.; Nitz, D.] Michigan Technol Univ, Houghton, MI 49931 USA.
[Allen, J.; Chou, A.; Farrar, G.; Fick, B.; Morris, C.; Zaw, I.] NYU, New York, NY USA.
[Paul, T.; Reucroft, S.; Swain, J.] Northeastern Univ, Boston, MA 02115 USA.
[Allison, P.; Baughman, B.; Beatty, J. J.; Grashorn, E.; Sutherland, M. S.] Ohio State Univ, Columbus, OH 43210 USA.
[Bellido, J. A.; Coutu, S.; Criss, A.; Sommers, P.] Penn State Univ, University Pk, PA 16802 USA.
[Matthews, J.] Southern Univ, Baton Rouge, LA USA.
[Arisaka, K.; Gelmini, G.; Healy, M. D.; Kusenko, A.; Lee, J.] Univ Calif Los Angeles, Los Angeles, CA USA.
[Ave, M.; Bohacova, M.; Cronin, J.; Facal San Luis, P.; Ionita, F.; Olinto, A.; Pavlidou, V.; Privitera, P.; Schmidt, F.; Venters, T.; Yamamoto, T.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA.
[DuVernois, M. A.] Univ Hawaii, Honolulu, HI 96822 USA.
[Petermann, E.; Snow, G. R.] Univ Nebraska, Lincoln, NE USA.
[Becker, B. R.; Gold, M. S.; Hague, J. D.; Matthews, J. A. J.; Miller, W.] Univ New Mexico, Albuquerque, NM 87131 USA.
[Connolly, B.] Univ Penn, Philadelphia, PA 19104 USA.
[BenZvi, S.; Pfendner, C.; Westerhoff, S.] Univ Wisconsin, Madison, WI USA.
[Anchordoqui, L.; Goggin, L. M.] Univ Wisconsin, Milwaukee, WI 53201 USA.
[Diep, P. N.; Dong, P. N.; Nhung, P. T.] Inst Nucl Sci & Technol, Hanoi, Vietnam.
RP Bleve, C (reprint author), Univ Salento, Dipartimento Fis, Lecce, Italy.
EM Carla.Bleve@le.infn.it
RI Schussler, Fabian/G-5313-2013; Nierstenhofer, Nils/H-3699-2013;
Goncalves, Patricia /D-8229-2013; Assis, Pedro/D-9062-2013; Mandat,
Dusan/G-5580-2014; Bohacova, Martina/G-5898-2014; Nozka,
Libor/G-5550-2014; Cazon, Lorenzo/G-6921-2014; Schovanek,
Petr/G-7117-2014; Travnicek, Petr/G-8814-2014; Smida,
Radomir/G-6314-2014; Ridky, Jan/H-6184-2014; de souza,
Vitor/D-1381-2012; Shellard, Ronald/G-4825-2012; Muller, Marcio
Aparecido/H-9112-2012; fulgione, walter/I-5232-2012; D'Urso,
Domenico/I-5325-2012; Bleve, Carla/J-2521-2012; Brogueira,
Pedro/K-3868-2012; Chinellato, Jose Augusto/I-7972-2012; Tamburro,
Alessio/A-5703-2013; Falcke, Heino/H-5262-2012; Arneodo,
Francesco/B-8076-2013; Anjos, Joao/C-8335-2013; Petrolini,
Alessandro/H-3782-2011; Beatty, James/D-9310-2011; Sao Carlos Institute
of Physics, IFSC/USP/M-2664-2016; Guarino, Fausto/I-3166-2012; Bonino,
Raffaella/S-2367-2016; Rodriguez Frias, Maria /A-7608-2015; Oliva,
Pietro/K-5915-2015; De Mitri, Ivan/C-1728-2017; Nosek,
Dalibor/F-1129-2017; Lozano-Bahilo, Julio/F-4881-2016; ORTOLANI,
FABRIZIO/F-7271-2016; scuderi, mario/O-7019-2014; zas,
enrique/I-5556-2015; Sarkar, Subir/G-5978-2011; Moura Santos,
Edivaldo/K-5313-2016; Gouffon, Philippe/I-4549-2012; de Almeida,
Rogerio/L-4584-2016; De Domenico, Manlio/B-5826-2014; Abreu,
Pedro/L-2220-2014; Arqueros, Fernando/K-9460-2014; Blanco,
Francisco/F-1131-2015; Prouza, Michael/F-8514-2014; Bueno,
Antonio/F-3875-2015; Parente, Gonzalo/G-8264-2015; Alvarez-Muniz,
Jaime/H-1857-2015; Carvalho Jr., Washington/H-9855-2015; De Donato,
Cinzia/J-9132-2015; Rosado, Jaime/K-9109-2014; Vazquez, Jose
Ramon/K-2272-2015; Martello, Daniele/J-3131-2012; Insolia,
Antonio/M-3447-2015; de Mello Neto, Joao/C-5822-2013; Fulgione,
Walter/C-8255-2016; Miele, Gennaro/F-3628-2010; Dias,
Sandra/F-8134-2010; Dutan, Ioana/C-2337-2011; Caramete,
Laurentiu/C-2328-2011; Aramo, Carla/D-4317-2011; Pesce,
Roberto/G-5791-2011; Kemp, Ernesto/H-1502-2011; Chiavassa,
Andrea/A-7597-2012; Verzi, Valerio/B-1149-2012; Chinellato, Carola
Dobrigkeit /F-2540-2011; Venters, Tonia/D-2936-2012; Fauth,
Anderson/F-9570-2012; Chudoba, Jiri/G-7737-2014; Pech,
Miroslav/G-5760-2014; Todero Peixoto, Carlos Jose/G-3873-2012; Pastor,
Sergio/J-6902-2014; Tome, Bernardo/J-4410-2013; Espirito Santo, Maria
Catarina/L-2341-2014; Pimenta, Mario/M-1741-2013; Ros,
German/L-4764-2014; Garcia Pinto, Diego/J-6724-2014; Di Giulio,
Claudio/B-3319-2015; Pavlidou, Vasiliki/C-2944-2011; Arneodo,
Francesco/E-5061-2015
OI Schussler, Fabian/0000-0003-1500-6571; Goncalves, Patricia
/0000-0003-2042-3759; Assis, Pedro/0000-0001-7765-3606; Cazon,
Lorenzo/0000-0001-6748-8395; Ridky, Jan/0000-0001-6697-1393; Shellard,
Ronald/0000-0002-2983-1815; D'Urso, Domenico/0000-0002-8215-4542;
Brogueira, Pedro/0000-0001-6069-4073; Chinellato, Jose
Augusto/0000-0002-3240-6270; Falcke, Heino/0000-0002-2526-6724; Arneodo,
Francesco/0000-0002-1061-0510; Petrolini,
Alessandro/0000-0003-0222-7594; Beatty, James/0000-0003-0481-4952;
Guarino, Fausto/0000-0003-1427-9885; Rodriguez Frias, Maria
/0000-0002-2550-4462; Oliva, Pietro/0000-0002-3572-3255; De Mitri,
Ivan/0000-0002-8665-1730; Nosek, Dalibor/0000-0001-6219-200X;
Lozano-Bahilo, Julio/0000-0003-0613-140X; ORTOLANI,
FABRIZIO/0000-0003-4527-1843; scuderi, mario/0000-0001-9026-5317; zas,
enrique/0000-0002-4430-8117; Sarkar, Subir/0000-0002-3542-858X; Moura
Santos, Edivaldo/0000-0002-2818-8813; Gouffon,
Philippe/0000-0001-7511-4115; de Almeida, Rogerio/0000-0003-3104-2724;
De Domenico, Manlio/0000-0001-5158-8594; Abreu,
Pedro/0000-0002-9973-7314; Arqueros, Fernando/0000-0002-4930-9282;
Blanco, Francisco/0000-0003-4332-434X; Prouza,
Michael/0000-0002-3238-9597; Bueno, Antonio/0000-0002-7439-4247;
Parente, Gonzalo/0000-0003-2847-0461; Alvarez-Muniz,
Jaime/0000-0002-2367-0803; Carvalho Jr., Washington/0000-0002-2328-7628;
De Donato, Cinzia/0000-0002-9725-1281; Rosado,
Jaime/0000-0001-8208-9480; Vazquez, Jose Ramon/0000-0001-9217-5219;
Martello, Daniele/0000-0003-2046-3910; Insolia,
Antonio/0000-0002-9040-1566; de Mello Neto, Joao/0000-0002-3234-6634;
Fulgione, Walter/0000-0002-2388-3809; Miele,
Gennaro/0000-0002-2028-0578; Chinellato, Carola Dobrigkeit
/0000-0002-1236-0789; Fauth, Anderson/0000-0001-7239-0288; Todero
Peixoto, Carlos Jose/0000-0003-3669-8212; Tome,
Bernardo/0000-0002-7564-8392; Espirito Santo, Maria
Catarina/0000-0003-1286-7288; Pimenta, Mario/0000-0002-2590-0908; Ros,
German/0000-0001-6623-1483; Garcia Pinto, Diego/0000-0003-1348-6735; Di
Giulio, Claudio/0000-0002-0597-4547; Pavlidou,
Vasiliki/0000-0002-0870-1368; Arneodo, Francesco/0000-0002-1061-0510
NR 1
TC 3
Z9 3
U1 0
U2 22
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0927-6505
J9 ASTROPART PHYS
JI Astropart Phys.
PD FEB
PY 2010
VL 33
IS 1
BP 65
EP 67
DI 10.1016/j.astropartphys.2009.10.005
PG 3
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 559KN
UT WOS:000274823400008
ER
PT J
AU Acciari, VA
Aliu, E
Beilicke, M
Benbow, W
Boltuch, D
Bottcher, M
Bradbury, SM
Bugaev, V
Byrum, K
Cesarini, A
Ciupik, L
Cogan, P
Cui, W
Dickherber, R
Duke, C
Falcone, A
Finley, JP
Finnegan, G
Fortson, L
Furniss, A
Galante, N
Gall, D
Gibbs, K
Guenette, R
Gillanders, GH
Godambe, S
Grube, J
Hanna, D
Hui, CM
Humensky, TB
Imran, A
Kaaret, P
Karlsson, N
Kertzman, M
Kieda, D
Krawczynski, H
Krennrich, F
Lang, MJ
LeBohec, S
Maier, G
McArthur, S
McCann, A
Moriarty, P
Nagai, T
Ong, RA
Otte, AN
Pandel, D
Perkins, JS
Pichel, A
Pohl, M
Quinn, J
Ragan, K
Reyes, LC
Reynolds, PT
Roache, E
Rose, HJ
Schroedter, M
Sembroski, GH
Smith, AW
Steele, D
Swordy, SP
Theiling, M
Thibadeau, S
Vassiliev, VV
Vincent, S
Wakely, SP
Weekes, TC
Weinstein, A
Weisgarber, T
Williams, DA
AF Acciari, V. A.
Aliu, E.
Beilicke, M.
Benbow, W.
Boltuch, D.
Boettcher, M.
Bradbury, S. M.
Bugaev, V.
Byrum, K.
Cesarini, A.
Ciupik, L.
Cogan, P.
Cui, W.
Dickherber, R.
Duke, C.
Falcone, A.
Finley, J. P.
Finnegan, G.
Fortson, L.
Furniss, A.
Galante, N.
Gall, D.
Gibbs, K.
Guenette, R.
Gillanders, G. H.
Godambe, S.
Grube, J.
Hanna, D.
Hui, C. M.
Humensky, T. B.
Imran, A.
Kaaret, P.
Karlsson, N.
Kertzman, M.
Kieda, D.
Krawczynski, H.
Krennrich, F.
Lang, M. J.
LeBohec, S.
Maier, G.
McArthur, S.
McCann, A.
Moriarty, P.
Nagai, T.
Ong, R. A.
Otte, A. N.
Pandel, D.
Perkins, J. S.
Pichel, A.
Pohl, M.
Quinn, J.
Ragan, K.
Reyes, L. C.
Reynolds, P. T.
Roache, E.
Rose, H. J.
Schroedter, M.
Sembroski, G. H.
Smith, A. W.
Steele, D.
Swordy, S. P.
Theiling, M.
Thibadeau, S.
Vassiliev, V. V.
Vincent, S.
Wakely, S. P.
Weekes, T. C.
Weinstein, A.
Weisgarber, T.
Williams, D. A.
TI DISCOVERY OF VARIABILITY IN THE VERY HIGH ENERGY gamma-RAY EMISSION OF
1ES 1218+304 WITH VERITAS
SO ASTROPHYSICAL JOURNAL LETTERS
LA English
DT Article
DE BL Lacertae objects: individual (1ES 1218+304=VER J1221+301); galaxies:
active; gamma rays: galaxies
ID ACTIVE GALACTIC NUCLEI; EXTRAGALACTIC BACKGROUND LIGHT; PEAKED
BL-LACERTAE; W-COMAE; BLAZARS; SPECTRA; ACCELERATION; JET; CONSTRAINTS;
TELESCOPE
AB We present results from an intensive VERITAS monitoring campaign of the high-frequency peaked BL Lac object 1ES 1218+304 in 2008/2009. Although 1ES 1218+304 was detected previously by MAGIC and VERITAS at a persistent level of similar to 6% of the Crab Nebula flux, the new VERITAS data reveal a prominent flare reaching similar to 20% of the Crab. While very high energy (VHE) flares are quite common in many nearby blazars, the case of 1ES 1218+304 (redshift z = 0.182) is particularly interesting since it belongs to a group of blazars that exhibit unusually hard VHE spectra considering their redshifts. When correcting the measured spectra for absorption by the extragalactic background light, 1ES 1218+304 and a number of other blazars are found to have differential photon indices Gamma <= 1.5. The difficulty in modeling these hard spectral energy distributions in blazar jets has led to a range of theoretical gamma-ray emission scenarios, one of which is strongly constrained by these new VERITAS observations. We consider the implications of the observed light curve of 1ES 1218+304, which shows day scale flux variations, for shock acceleration scenarios in relativistic jets, and in particular for the viability of kiloparsec-scale jet emission scenarios.
C1 [Acciari, V. A.; Benbow, W.; Galante, N.; Gibbs, K.; Perkins, J. S.; Roache, E.; Theiling, M.; Weekes, T. C.] Harvard Smithsonian Ctr Astrophys, Fred Lawrence Whipple Observ, Amado, AZ 85645 USA.
[Aliu, E.] Columbia Univ Barnard Coll, Dept Phys & Astron, New York, NY 10027 USA.
[Beilicke, M.; Bugaev, V.; Dickherber, R.; Krawczynski, H.; McArthur, S.; Thibadeau, S.] Washington Univ, Dept Phys, St Louis, MO 63130 USA.
[Boltuch, D.] Univ Delaware, Bartol Res Inst, Newark, DE 19716 USA.
[Boltuch, D.] Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA.
[Boettcher, M.] Ohio Univ, Dept Phys & Astron, Inst Astrophys, Athens, OH 45701 USA.
[Bradbury, S. M.; Rose, H. J.] Univ Leeds, Sch Phys & Astron, Leeds LS2 9JT, W Yorkshire, England.
[Byrum, K.; Smith, A. W.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Cesarini, A.; Gillanders, G. H.; Lang, M. J.] Natl Univ Ireland Galway, Sch Phys, Galway, Ireland.
[Ciupik, L.; Fortson, L.; Karlsson, N.; Steele, D.] Adler Planetarium & Astron Museum, Dept Astron, Chicago, IL 60605 USA.
[Cogan, P.; Guenette, R.; Hanna, D.; Maier, G.; McCann, A.; Ragan, K.] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada.
[Cui, W.; Finley, J. P.; Gall, D.; Sembroski, G. H.] Purdue Univ, Dept Phys, W Lafayette, IN 47907 USA.
[Duke, C.] Grinnell Coll, Dept Phys, Grinnell, IA 50112 USA.
[Falcone, A.] Penn State Univ, Dept Astron & Astrophys, Davey Lab 525, University Pk, PA 16802 USA.
[Finnegan, G.; Godambe, S.; Hui, C. M.; Kieda, D.; LeBohec, S.; Vincent, S.] Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA.
[Furniss, A.; Otte, A. N.; Williams, D. A.] Univ Calif Santa Cruz, Dept Phys, Santa Cruz, CA 95064 USA.
[Furniss, A.; Otte, A. N.; Williams, D. A.] Univ Calif Santa Cruz, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA.
[Grube, J.; Pandel, D.; Quinn, J.] Univ Coll Dublin, Sch Phys, Dublin 4, Ireland.
[Humensky, T. B.; Swordy, S. P.; Wakely, S. P.; Weisgarber, T.] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA.
[Imran, A.; Krennrich, F.; Nagai, T.; Pohl, M.; Schroedter, M.] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
[Kaaret, P.] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA.
[Kertzman, M.] Depaul Univ, Dept Phys & Astron, Greencastle, IN 46135 USA.
[Moriarty, P.] Galway Mayo Inst Technol, Dept Life & Phys Sci, Galway, Ireland.
[Ong, R. A.; Vassiliev, V. V.; Weinstein, A.] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA.
[Pichel, A.] Inst Astron & Fis Espacio, RA-1428 Buenos Aires, DF, Argentina.
[Reyes, L. C.] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA.
[Reynolds, P. T.] Cork Inst Technol, Dept Appl Phys & Instrumentat, Cork, Ireland.
RP Acciari, VA (reprint author), Harvard Smithsonian Ctr Astrophys, Fred Lawrence Whipple Observ, Amado, AZ 85645 USA.
OI Cui, Wei/0000-0002-6324-5772; Cesarini, Andrea/0000-0002-8611-8610;
Ward, John E/0000-0003-1973-0794
FU U.S. Department of Energy; U.S. National Science Foundation; Smithsonian
Institution; NSERC in Canada; STFC in the U.K.; Science Foundation
Ireland
FX This research is supported by grants from the U.S. Department of Energy,
the U.S. National Science Foundation, the Smithsonian Institution, by
NSERC in Canada, by STFC in the U.K. and by Science Foundation Ireland.
We acknowledge the excellent work of the technical support staff at the
FLWO and the collaborating institutions in the construction and
operation of the instrument.
NR 36
TC 28
Z9 28
U1 0
U2 2
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
J9 ASTROPHYS J LETT
JI Astrophys. J. Lett.
PD FEB 1
PY 2010
VL 709
IS 2
BP L163
EP L167
DI 10.1088/2041-8205/709/2/L163
PG 5
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 551LD
UT WOS:000274209300015
ER
PT J
AU De Pasquale, M
Schady, P
Kuin, NPM
Page, MJ
Curran, PA
Zane, S
Oates, SR
Holland, ST
Breeveld, AA
Hoversten, EA
Chincarini, G
Grupe, D
Abdo, AA
Ackermann, M
Ajello, M
Axelsson, M
Baldini, L
Ballet, J
Barbiellini, G
Baring, MG
Bastieri, D
Bechtol, K
Bellazzini, R
Berenji, B
Bissaldi, E
Blandford, RD
Bloom, ED
Bonamente, E
Borgland, AW
Bouvier, A
Bregeon, J
Brez, A
Briggs, MS
Brigida, M
Bruel, P
Burnett, TH
Buson, S
Caliandro, GA
Cameron, RA
Caraveo, PA
Carrigan, S
Casandjian, JM
Cecchi, C
Celik, O
Chekhtman, A
Chiang, J
Ciprini, S
Claus, R
Cohen-Tanugi, J
Connaughton, V
Conrad, J
Dermer, CD
de Angelis, A
de Palma, F
Dingus, BL
Silva, EDE
Drell, PS
Dubois, R
Dumora, D
Farnier, C
Favuzzi, C
Fegan, SJ
Fishman, G
Focke, WB
Frailis, M
Fukazawa, Y
Funk, S
Fusco, P
Gargano, F
Gasparrini, D
Gehrels, N
Germani, S
Giglietto, N
Giordano, F
Glanzman, T
Godfrey, G
Granot, J
Greiner, J
Grenier, IA
Grove, JE
Guillemot, L
Guiriec, S
Harding, AK
Hayashida, M
Hays, E
Horan, D
Hughes, RE
Jackson, MS
Johannesson, G
Johnson, AS
Johnson, WN
Kamae, T
Katagiri, H
Kataoka, J
Kawai, N
Kerr, M
Kippen, RM
Knodlseder, J
Kocevski, D
Kuss, M
Lande, J
Latronico, L
Lemoine-Goumard, M
Longo, F
Loparco, F
Lott, B
Lovellette, MN
Lubrano, P
Makeev, A
Mazziotta, MN
McEnery, JE
McGlynn, S
Meegan, C
Meszaros, P
Meurer, C
Michelson, PF
Mitthumsiri, W
Mizuno, T
Monte, C
Monzani, ME
Moretti, E
Morselli, A
Moskalenko, IV
Murgia, S
Nolan, PL
Norris, JP
Nuss, E
Ohno, M
Ohsugi, T
Omodei, N
Orlando, E
Ormes, JF
Paciesas, WS
Paneque, D
Panetta, JH
Parent, D
Pelassa, V
Pepe, M
Pesce-Rollins, M
Piron, F
Porter, TA
Preece, R
Raino, S
Rando, R
Razzano, M
Reimer, A
Reimer, O
Reposeur, T
Ritz, S
Rochester, LS
Rodriguez, AY
Roth, M
Ryde, F
Sadrozinski, HFW
Sander, A
Parkinson, PMS
Scargle, JD
Schalk, TL
Sgro, C
Siskind, EJ
Smith, PD
Spandre, G
Spinelli, P
Stamatikos, M
Starck, JL
Stecker, FW
Strickman, MS
Suson, DJ
Tajima, H
Takahashi, H
Tanaka, T
Thayer, JB
Thayer, JG
Thompson, DJ
Tibaldo, L
Toma, K
Torres, DF
Tosti, G
Tramacere, A
Uchiyama, Y
Uehara, T
Usher, TL
van der Horst, AJ
Vasileiou, V
Vilchez, N
Vitale, V
von Kienlin, A
Waite, AP
Wang, P
Winer, BL
Wood, KS
Wu, XF
Yamazaki, R
Ylinen, T
Ziegler, M
AF De Pasquale, M.
Schady, P.
Kuin, N. P. M.
Page, M. J.
Curran, P. A.
Zane, S.
Oates, S. R.
Holland, S. T.
Breeveld, A. A.
Hoversten, E. A.
Chincarini, G.
Grupe, D.
Abdo, A. A.
Ackermann, M.
Ajello, M.
Axelsson, M.
Baldini, L.
Ballet, J.
Barbiellini, G.
Baring, M. G.
Bastieri, D.
Bechtol, K.
Bellazzini, R.
Berenji, B.
Bissaldi, E.
Blandford, R. D.
Bloom, E. D.
Bonamente, E.
Borgland, A. W.
Bouvier, A.
Bregeon, J.
Brez, A.
Briggs, M. S.
Brigida, M.
Bruel, P.
Burnett, T. H.
Buson, S.
Caliandro, G. A.
Cameron, R. A.
Caraveo, P. A.
Carrigan, S.
Casandjian, J. M.
Cecchi, C.
Celik, Oe.
Chekhtman, A.
Chiang, J.
Ciprini, S.
Claus, R.
Cohen-Tanugi, J.
Connaughton, V.
Conrad, J.
Dermer, C. D.
de Angelis, A.
de Palma, F.
Dingus, B. L.
do Couto e Silva, E.
Drell, P. S.
Dubois, R.
Dumora, D.
Farnier, C.
Favuzzi, C.
Fegan, S. J.
Fishman, G.
Focke, W. B.
Frailis, M.
Fukazawa, Y.
Funk, S.
Fusco, P.
Gargano, F.
Gasparrini, D.
Gehrels, N.
Germani, S.
Giglietto, N.
Giordano, F.
Glanzman, T.
Godfrey, G.
Granot, J.
Greiner, J.
Grenier, I. A.
Grove, J. E.
Guillemot, L.
Guiriec, S.
Harding, A. K.
Hayashida, M.
Hays, E.
Horan, D.
Hughes, R. E.
Jackson, M. S.
Johannesson, G.
Johnson, A. S.
Johnson, W. N.
Kamae, T.
Katagiri, H.
Kataoka, J.
Kawai, N.
Kerr, M.
Kippen, R. M.
Knoedlseder, J.
Kocevski, D.
Kuss, M.
Lande, J.
Latronico, L.
Lemoine-Goumard, M.
Longo, F.
Loparco, F.
Lott, B.
Lovellette, M. N.
Lubrano, P.
Makeev, A.
Mazziotta, M. N.
McEnery, J. E.
McGlynn, S.
Meegan, C.
Meszaros, P.
Meurer, C.
Michelson, P. F.
Mitthumsiri, W.
Mizuno, T.
Monte, C.
Monzani, M. E.
Moretti, E.
Morselli, A.
Moskalenko, I. V.
Murgia, S.
Nolan, P. L.
Norris, J. P.
Nuss, E.
Ohno, M.
Ohsugi, T.
Omodei, N.
Orlando, E.
Ormes, J. F.
Paciesas, W. S.
Paneque, D.
Panetta, J. H.
Parent, D.
Pelassa, V.
Pepe, M.
Pesce-Rollins, M.
Piron, F.
Porter, T. A.
Preece, R.
Raino, S.
Rando, R.
Razzano, M.
Reimer, A.
Reimer, O.
Reposeur, T.
Ritz, S.
Rochester, L. S.
Rodriguez, A. Y.
Roth, M.
Ryde, F.
Sadrozinski, H. F. -W.
Sander, A.
Parkinson, P. M. Saz
Scargle, J. D.
Schalk, T. L.
Sgro, C.
Siskind, E. J.
Smith, P. D.
Spandre, G.
Spinelli, P.
Stamatikos, M.
Starck, J. -L.
Stecker, F. W.
Strickman, M. S.
Suson, D. J.
Tajima, H.
Takahashi, H.
Tanaka, T.
Thayer, J. B.
Thayer, J. G.
Thompson, D. J.
Tibaldo, L.
Toma, K.
Torres, D. F.
Tosti, G.
Tramacere, A.
Uchiyama, Y.
Uehara, T.
Usher, T. L.
van der Horst, A. J.
Vasileiou, V.
Vilchez, N.
Vitale, V.
von Kienlin, A.
Waite, A. P.
Wang, P.
Winer, B. L.
Wood, K. S.
Wu, X. F.
Yamazaki, R.
Ylinen, T.
Ziegler, M.
TI SWIFT AND FERMI OBSERVATIONS OF THE EARLY AFTERGLOW OF THE SHORT
GAMMA-RAY BURST 090510
SO ASTROPHYSICAL JOURNAL LETTERS
LA English
DT Article
DE gamma-ray burst: individual (GRB090510); relativistic processes; shock
waves
ID LIGHT CURVES; EXTENDED EMISSION; TELESCOPE; BREAKS; PROMPT; JETS; GRBS
AB We present the observations of GRB090510 performed by the Fermi Gamma-Ray Space Telescope and the Swift observatory. This is a bright, short burst that shows an extended emission detected in the GeV range. Furthermore, its optical emission initially rises, a feature so far observed only in long bursts, while the X-ray flux shows an initial shallow decrease, followed by a steeper decay. This exceptional behavior enables us to investigate the physical properties of the gamma-ray burst outflow, poorly known in short bursts. We discuss internal and external shock models for the broadband energy emission of this object.
C1 [De Pasquale, M.; Schady, P.; Kuin, N. P. M.; Page, M. J.; Curran, P. A.; Zane, S.; Oates, S. R.; Breeveld, A. A.] Univ Coll London, Mullard Space Sci Lab, Dorking RH5 6NT, Surrey, England.
[Holland, S. T.; Celik, Oe.; Gehrels, N.; Harding, A. K.; Hays, E.; McEnery, J. E.; Stamatikos, M.; Stecker, F. W.; Thompson, D. J.; Vasileiou, V.] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA.
[Hoversten, E. A.; Grupe, D.; Gehrels, N.; Meszaros, P.; Toma, K.; Wu, X. F.] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA.
[Chincarini, G.] Univ Milano Bicocca, I-20126 Milan, Italy.
[Chincarini, G.] Osservatorio Astron Brera INAF, I-23807 Merate, LC, Italy.
[Abdo, A. A.; Chekhtman, A.; Dermer, C. D.; Grove, J. E.; Johnson, W. N.; Lovellette, M. N.; Makeev, A.; Strickman, M. S.; Wood, K. S.] USN, Res Lab, Div Space Sci, Washington, DC 20375 USA.
[Abdo, A. A.] Natl Acad Sci, Natl Res Council Res Associate, Washington, DC 20001 USA.
[Ackermann, M.; Ajello, M.; Bechtol, K.; Berenji, B.; Blandford, R. D.; Bloom, E. D.; Borgland, A. W.; Bouvier, A.; Cameron, R. A.; Chiang, J.; Claus, R.; do Couto e Silva, E.; Drell, P. S.; Dubois, R.; Focke, W. B.; Funk, S.; Glanzman, T.; Godfrey, G.; Hayashida, M.; Johannesson, G.; Johnson, A. S.; Kamae, T.; Kocevski, D.; Lande, J.; Michelson, P. F.; Mitthumsiri, W.; Monzani, M. E.; Moskalenko, I. V.; Murgia, S.; Nolan, P. L.; Paneque, D.; Panetta, J. H.; Reimer, A.; Reimer, O.; Rochester, L. S.; Tajima, H.; Tanaka, T.; Thayer, J. B.; Thayer, J. G.; Tramacere, A.; Uchiyama, Y.; Usher, T. L.; Waite, A. P.; Wang, P.] Stanford Univ, WW Hansen Expt Phys Lab, Kavli Inst Particle Astrophys & Cosmol, Dept Phys, Stanford, CA 94305 USA.
[Ackermann, M.; Ajello, M.; Bechtol, K.; Berenji, B.; Blandford, R. D.; Bloom, E. D.; Borgland, A. W.; Bouvier, A.; Cameron, R. A.; Chiang, J.; Claus, R.; do Couto e Silva, E.; Drell, P. S.; Dubois, R.; Focke, W. B.; Funk, S.; Glanzman, T.; Godfrey, G.; Hayashida, M.; Johannesson, G.; Johnson, A. S.; Kamae, T.; Kocevski, D.; Lande, J.; Michelson, P. F.; Mitthumsiri, W.; Monzani, M. E.; Moskalenko, I. V.; Murgia, S.; Nolan, P. L.; Paneque, D.; Panetta, J. H.; Reimer, A.; Reimer, O.; Rochester, L. S.; Tajima, H.; Tanaka, T.; Thayer, J. B.; Thayer, J. G.; Tramacere, A.; Uchiyama, Y.; Usher, T. L.; Waite, A. P.; Wang, P.] Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA.
[Axelsson, M.] Stockholm Univ, Dept Astron, SE-10691 Stockholm, Sweden.
[Axelsson, M.; Jackson, M. S.; McGlynn, S.; Meurer, C.; Ryde, F.; Ylinen, T.] Oskar Klein Ctr Cosmo Particle Phys, SE-10691 Stockholm, Sweden.
[Baldini, L.; Bellazzini, R.; Bregeon, J.; Brez, A.; Kuss, M.; Latronico, L.; Omodei, N.; Pesce-Rollins, M.; Razzano, M.; Sgro, C.; Spandre, G.] Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy.
[Ballet, J.; Casandjian, J. M.; Grenier, I. A.; Starck, J. -L.; Tibaldo, L.] Univ Paris Diderot, Serv Astrophys, CNRS, Lab AIM,CEA IRFU,CEA Saclay, F-91191 Gif Sur Yvette, France.
[Barbiellini, G.; Longo, F.; Moretti, E.] Ist Nazl Fis Nucl, Sez Trieste, I-34127 Trieste, Italy.
[Barbiellini, G.; Longo, F.; Moretti, E.] Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy.
[Baring, M. G.] Rice Univ, Dept Phys & Astron, Houston, TX 77251 USA.
[Bastieri, D.; Rando, R.; Tibaldo, L.] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy.
[Bastieri, D.; Buson, S.; Carrigan, S.; Rando, R.; Tibaldo, L.] Univ Padua, Dipartimento Fis G Galilei, I-35131 Padua, Italy.
[Bissaldi, E.; Greiner, J.; Orlando, E.; von Kienlin, A.] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany.
[Bonamente, E.; Cecchi, C.; Germani, S.; Lubrano, P.; Pepe, M.; Tosti, G.] Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy.
[Bonamente, E.; Cecchi, C.; Ciprini, S.; Germani, S.; Lubrano, P.; Pepe, M.; Tosti, G.] Univ Perugia, Dipartimento Fis, I-06123 Perugia, Italy.
[Briggs, M. S.; Connaughton, V.; Guiriec, S.; Paciesas, W. S.; Preece, R.] Univ Alabama, CSPAR, Huntsville, AL 35899 USA.
[Brigida, M.; de Palma, F.; Favuzzi, C.; Fusco, P.; Giglietto, N.; Giordano, F.; Loparco, F.; Monte, C.; Raino, S.; Spinelli, P.] Univ Bari, Dipartimento Fis M Merlin, I-70126 Bari, Italy.
[Brigida, M.; de Palma, F.; Favuzzi, C.; Fusco, P.; Giglietto, N.; Giordano, F.; Loparco, F.; Monte, C.; Raino, S.; Spinelli, P.] Politecn Bari, I-70126 Bari, Italy.
[Brigida, M.; de Palma, F.; Favuzzi, C.; Fusco, P.; Gargano, F.; Giglietto, N.; Giordano, F.; Loparco, F.; Mazziotta, M. N.; Monte, C.; Raino, S.; Spinelli, P.] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy.
[Bruel, P.; Fegan, S. J.; Horan, D.] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France.
[Burnett, T. H.; Kerr, M.; Roth, M.] Univ Washington, Dept Phys, Seattle, WA 98195 USA.
[Caliandro, G. A.; Rodriguez, A. Y.; Torres, D. F.] Inst Ciencies Espai IEEC CSIC, Barcelona 08193, Spain.
[Caraveo, P. A.] INAF Ist Astrofis Spaziale & Fis Cosm, I-20133 Milan, Italy.
[Celik, Oe.; Vasileiou, V.] CRESST, Greenbelt, MD 20771 USA.
[Celik, Oe.; Vasileiou, V.] Univ Maryland Baltimore Cty, Ctr Space Sci & Technol, Baltimore, MD 21250 USA.
[Celik, Oe.; Vasileiou, V.] Univ Maryland Baltimore Cty, Dept Phys, Baltimore, MD 21250 USA.
[Chekhtman, A.; Makeev, A.] George Mason Univ, Fairfax, VA 22030 USA.
[Cohen-Tanugi, J.; Farnier, C.; Nuss, E.; Pelassa, V.; Piron, F.] Univ Montpellier 2, CNRS, IN2P3, Lab Phys Theor & Astroparticules, Montpellier, France.
[Meurer, C.] Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden.
[de Angelis, A.; Frailis, M.] Univ Udine, Dipartimento Fis, I-33100 Udine, Italy.
[de Angelis, A.; Frailis, M.] Ist Nazl Fis Nucl, Sez Trieste, Grp Collegato Udine, I-33100 Udine, Italy.
[Dingus, B. L.; Kippen, R. M.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Dumora, D.; Lemoine-Goumard, M.; Lott, B.; Parent, D.; Reposeur, T.] Ctr Etud Nucl Bordeaux Gradignan, UMR 5797, IN2P3, CNRS, F-33175 Gradignan, France.
[Dumora, D.; Lemoine-Goumard, M.; Lott, B.; Parent, D.; Reposeur, T.] Univ Bordeaux, UMR 5797, Ctr Etud Nucl Bordeaux Gradignan, F-33175 Gradignan, France.
[Fishman, G.] NASA, George C Marshall Space Flight Ctr, Huntsville, AL 35812 USA.
[Fukazawa, Y.; Katagiri, H.; Mizuno, T.; Ohsugi, T.; Takahashi, H.; Uehara, T.; Yamazaki, R.] Hiroshima Univ, Dept Phys Sci, Hiroshima 7398526, Japan.
[Gasparrini, D.] Sci Data Ctr, ASI, I-00044 Frascati, Roma, Italy.
[Gehrels, N.; McEnery, J. E.] Univ Maryland, Dept Phys, College Pk, MD 20742 USA.
[Gehrels, N.; McEnery, J. E.] Univ Maryland, Dept Astron, College Pk, MD 20742 USA.
[Granot, J.] Univ Hertfordshire, Ctr Astrophys Res, Hatfield AL10 9AB, Herts, England.
[Guillemot, L.] Max Planck Inst Radioastron, D-53121 Bonn, Germany.
[Hughes, R. E.; Sander, A.; Smith, P. D.; Stamatikos, M.; Winer, B. L.] Ohio State Univ, Dept Phys, Ctr Cosmol & Astroparticle Phys, Columbus, OH 43210 USA.
[Jackson, M. S.; McGlynn, S.; Ryde, F.; Ylinen, T.] Royal Inst Technol, Dept Phys, SE-10691 Stockholm, Sweden.
[Kataoka, J.] Waseda Univ, Shinjuku Ku, Tokyo 1698050, Japan.
[Kawai, N.] Tokyo Inst Technol, Dept Phys, Meguro, Tokyo 1528551, Japan.
[Kawai, N.] RIKEN, Inst Phys & Chem Res, Cosm Radiat Lab, Wako, Saitama 3510198, Japan.
[Knoedlseder, J.; Vilchez, N.] UPS, CNRS, Ctr Etud Spatiale Rayonnements, F-31028 Toulouse 4, France.
[Meegan, C.] Univ Space Res Assoc, Columbia, MD 21044 USA.
[Morselli, A.; Vitale, V.] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, I-00133 Rome, Italy.
[Norris, J. P.; Ormes, J. F.] Univ Denver, Dept Phys & Astron, Denver, CO 80208 USA.
[Ohno, M.] Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, JAXA, Sagamihara, Kanagawa 2298510, Japan.
[Porter, T. A.; Ritz, S.; Sadrozinski, H. F. -W.; Parkinson, P. M. Saz; Schalk, T. L.; Ziegler, M.] Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA 95064 USA.
[Porter, T. A.; Ritz, S.; Sadrozinski, H. F. -W.; Parkinson, P. M. Saz; Schalk, T. L.; Ziegler, M.] Univ Calif Santa Cruz, Dept Phys, Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA.
[Reimer, A.; Reimer, O.] Leopold Franzens Univ Innsbruck, Inst Theoret Phys, A-6020 Innsbruck, Austria.
[Reimer, A.; Reimer, O.] Leopold Franzens Univ Innsbruck, Inst Astro & Teilchenphys, A-6020 Innsbruck, Austria.
[Scargle, J. D.] NASA, Ames Res Ctr, Div Space Sci, Moffett Field, CA 94035 USA.
[Siskind, E. J.] NYCB Real Time Comp Inc, Lattingtown, NY 11560 USA.
[Suson, D. J.] Purdue Univ Calumet, Dept Chem & Phys, Hammond, IN 46323 USA.
[Torres, D. F.] ICREA, Barcelona, Spain.
[Tramacere, A.] CIFS, I-10133 Turin, Italy.
[Vitale, V.] Univ Roma Tor Vergata, Dipartimento Fis, I-00133 Rome, Italy.
[Wu, X. F.] J CPNPC, Nanjing 210093, Peoples R China.
[Wu, X. F.] Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China.
[Ylinen, T.] Univ Kalmar, Sch Pure & Appl Nat Sci, SE-39182 Kalmar, Sweden.
RP De Pasquale, M (reprint author), Univ Coll London, Mullard Space Sci Lab, Holmbury St Mary, Dorking RH5 6NT, Surrey, England.
EM mdp@mssl.ucl.ac.uk; mjp@mssl.ucl.ac.uk; Veronique.Pelassa@lpta.in2p3.fr;
toma@astro.psu.edu
RI Starck, Jean-Luc/D-9467-2011; Thompson, David/D-2939-2012; Stecker,
Floyd/D-3169-2012; Harding, Alice/D-3160-2012; Gehrels,
Neil/D-2971-2012; McEnery, Julie/D-6612-2012; Baldini, Luca/E-5396-2012;
lubrano, pasquale/F-7269-2012; Morselli, Aldo/G-6769-2011; Nolan,
Patrick/A-5582-2009; Kuss, Michael/H-8959-2012; giglietto,
nicola/I-8951-2012; Curran, Peter/B-5293-2013; Tosti, Gino/E-9976-2013;
Rando, Riccardo/M-7179-2013; Hays, Elizabeth/D-3257-2012; Johnson,
Neil/G-3309-2014; Reimer, Olaf/A-3117-2013; Funk, Stefan/B-7629-2015;
Johannesson, Gudlaugur/O-8741-2015; Gargano, Fabio/O-8934-2015; Loparco,
Francesco/O-8847-2015; Moskalenko, Igor/A-1301-2007; Mazziotta, Mario
/O-8867-2015; Sgro, Carmelo/K-3395-2016; Bissaldi,
Elisabetta/K-7911-2016; Wu, Xuefeng/G-5316-2015; Torres,
Diego/O-9422-2016;
OI Starck, Jean-Luc/0000-0003-2177-7794; Thompson,
David/0000-0001-5217-9135; lubrano, pasquale/0000-0003-0221-4806;
Morselli, Aldo/0000-0002-7704-9553; giglietto,
nicola/0000-0002-9021-2888; Curran, Peter/0000-0003-3003-4626; Axelsson,
Magnus/0000-0003-4378-8785; Moretti, Elena/0000-0001-5477-9097;
Gasparrini, Dario/0000-0002-5064-9495; Tramacere,
Andrea/0000-0002-8186-3793; Baldini, Luca/0000-0002-9785-7726; Reimer,
Olaf/0000-0001-6953-1385; Funk, Stefan/0000-0002-2012-0080; Johannesson,
Gudlaugur/0000-0003-1458-7036; Gargano, Fabio/0000-0002-5055-6395;
Loparco, Francesco/0000-0002-1173-5673; Moskalenko,
Igor/0000-0001-6141-458X; Mazziotta, Mario /0000-0001-9325-4672;
Bissaldi, Elisabetta/0000-0001-9935-8106; Wu,
Xuefeng/0000-0002-6299-1263; Torres, Diego/0000-0002-1522-9065; Sgro',
Carmelo/0000-0001-5676-6214; Dingus, Brenda/0000-0001-8451-7450; Rando,
Riccardo/0000-0001-6992-818X; De Angelis,
Alessandro/0000-0002-3288-2517; Frailis, Marco/0000-0002-7400-2135;
Caraveo, Patrizia/0000-0003-2478-8018; Preece,
Robert/0000-0003-1626-7335; Bastieri, Denis/0000-0002-6954-8862; Omodei,
Nicola/0000-0002-5448-7577; Pesce-Rollins, Melissa/0000-0003-1790-8018
FU STFC
FX The Fermi LAT Collaboration acknowledges support from a number of
agencies and institutes for both development and the operation of the
LAT as well as scientific data analysis. These include NASA and DOE in
the United States, CEA/Irfu and IN2P3/CNRS in France, ASI and INFN in
Italy, MEXT, KEK, and JAXA in Japan, and the K.A. Wallenberg Foundation,
the Swedish Research Council and the National Space Board in Sweden.
Additional support from INAF in Italy and CNES in France for science
analysis during the operations phase is also gratefully acknowledged.
S.Z. acknowledges STFC support. This work used data supplied by the UK
Swift SDC at the University of Leicester.
NR 46
TC 94
Z9 94
U1 0
U2 6
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 2041-8205
EI 2041-8213
J9 ASTROPHYS J LETT
JI Astrophys. J. Lett.
PD FEB 1
PY 2010
VL 709
IS 2
BP L146
EP L151
DI 10.1088/2041-8205/709/2/L146
PG 6
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 551LD
UT WOS:000274209300012
ER
PT J
AU Ezoe, Y
Ishikawa, K
Ohashi, T
Miyoshi, Y
Terada, N
Uchiyama, Y
Negoro, H
AF Ezoe, Y.
Ishikawa, K.
Ohashi, T.
Miyoshi, Y.
Terada, N.
Uchiyama, Y.
Negoro, H.
TI DISCOVERY OF DIFFUSE HARD X-RAY EMISSION AROUND JUPITER WITH SUZAKU
SO ASTROPHYSICAL JOURNAL LETTERS
LA English
DT Article
DE planets and satellites: individual (Jupiter, Io); X-rays: general
ID JOVIAN MAGNETOSPHERE; XMM-NEWTON; PARTICLES; MODEL
AB We report the discovery of diffuse hard (1-5 keV) X-ray emission around Jupiter in a deep 160 ks Suzaku X-ray Imaging Spectrometer data. The emission is distributed over similar to 16 x 8 Jovian radius and spatially associated with the radiation belts and the Io Plasma Torus (IPT). It shows a flat power-law spectrum with a photon index of 1.4 +/- 0.2 with the 1-5 keV X-ray luminosity of (3.3 +/- 0.5) x 10(15) erg s(-1). We discussed its origin and concluded that it seems to be truly diffuse, although a possibility of multiple background point sources cannot be completely rejected with a limited angular resolution. If it is diffuse, the flat continuum indicates that X-rays arise by the nonthermal electrons in the radiation belts and/or the IPT. The synchrotron and bremsstrahlung models can be rejected from the necessary electron energy and X-ray spectral shape, respectively. The inverse-Compton scattering off solar photons by ultra-relativistic (several tens MeV) electrons can explain the energy and the spectrum but the necessary electron density is greater than or similar to 10 times larger than the value estimated from the empirical model of Jovian charge particles.
C1 [Ezoe, Y.; Ishikawa, K.; Ohashi, T.] Tokyo Metropolitan Univ, Dept Phys, Tokyo 1920397, Japan.
[Miyoshi, Y.] Nagoya Univ, Solar Terr Environm Lab, Chikusa Ku, Nagoya, Aichi 4648601, Japan.
[Terada, N.] Tohoku Univ, Dept Geophys, Aoba Ku, Sendai, Miyagi 9808578, Japan.
[Uchiyama, Y.] Stanford Univ, Stanford Linear Accelerator Ctr, Menlo Pk, CA 94025 USA.
[Negoro, H.] Nihon Univ, Dept Phys, Chiyoda Ku, Tokyo 1018308, Japan.
RP Ezoe, Y (reprint author), Tokyo Metropolitan Univ, Dept Phys, 1-1 Minami Osawa, Tokyo 1920397, Japan.
EM ezoe@phys.metro-u.ac.jp
RI Miyoshi, Yoshizumi/B-5834-2015; XRAY, SUZAKU/A-1808-2009
OI Miyoshi, Yoshizumi/0000-0001-7998-1240;
NR 32
TC 9
Z9 9
U1 0
U2 1
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 2041-8205
EI 2041-8213
J9 ASTROPHYS J LETT
JI Astrophys. J. Lett.
PD FEB 1
PY 2010
VL 709
IS 2
BP L178
EP L182
DI 10.1088/2041-8205/709/2/L178
PG 5
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 551LD
UT WOS:000274209300018
ER
PT J
AU Collins, DC
Xu, H
Norman, ML
Li, H
Li, ST
AF Collins, David C.
Xu, Hao
Norman, Michael L.
Li, Hui
Li, Shengtai
TI COSMOLOGICAL ADAPTIVE MESH REFINEMENT MAGNETOHYDRODYNAMICS WITH ENZO
SO ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
LA English
DT Article
DE cosmology: theory; methods: numerical; magnetohydrodynamics (MHD)
ID PIECEWISE PARABOLIC METHOD; CLUSTER MAGNETIC-FIELDS; III STAR-FORMATION;
GALAXY CLUSTERS; RIEMANN SOLVER; X-RAY; NUMERICAL MAGNETOHYDRODYNAMICS;
IDEAL MAGNETOHYDRODYNAMICS; CONSTRAINED TRANSPORT; ALPHA FOREST
AB In this work, we present EnzoMHD, the extension of the cosmological code Enzo to include the effects of magnetic fields through the ideal magnetohydrodynamics approximation. We use a higher order Godunov method for the computation of interface fluxes. We use two constrained transport methods to compute the electric field from those interface fluxes, which simultaneously advances the induction equation and maintains the divergence of the magnetic field. A second-order divergence-free reconstruction technique is used to interpolate the magnetic fields in the block-structured adaptive mesh refinement framework already extant in Enzo. This reconstruction also preserves the divergence of the magnetic field to machine precision. We use operator splitting to include gravity and cosmological expansion. We then present a series of cosmological and non-cosmological test problems to demonstrate the quality of solution resulting from this combination of solvers.
C1 [Collins, David C.; Xu, Hao; Norman, Michael L.] Univ Calif San Diego, Ctr Astrophys & Space Sci, La Jolla, CA 92093 USA.
[Xu, Hao; Li, Hui; Li, Shengtai] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
RP Collins, DC (reprint author), Univ Calif San Diego, Ctr Astrophys & Space Sci, 9500 Gilman Dr, La Jolla, CA 92093 USA.
RI Xu, Hao/B-8734-2014;
OI Xu, Hao/0000-0003-4084-9925; Li, Shengtai/0000-0002-4142-3080
FU NSF [AST-0708960, AST-0808184, AST-0807768]; NASA [NNX08AH26G]; IGPP at
Los Alamos National Laboratory
FX The authors thank the referees, whose comments helped improve this work.
This work has been supported in part by NSF grants AST-0708960,
AST-0808184, AST-0807768, and by NASA grant NNX08AH26G. Additional
support was provided by IGPP at Los Alamos National Laboratory.
Simulations described in this paper were performed at the San Diego
Supercomputer Center with computing time provided by NRAC allocation
MCA98N020 and LANL Institutional HPC clusters.
NR 51
TC 44
Z9 44
U1 0
U2 2
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 0067-0049
J9 ASTROPHYS J SUPPL S
JI Astrophys. J. Suppl. Ser.
PD FEB
PY 2010
VL 186
IS 2
BP 308
EP 333
DI 10.1088/0067-0049/186/2/308
PG 26
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 552IU
UT WOS:000274283900006
ER
PT J
AU Tueller, J
Baumgartner, WH
Markwardt, CB
Skinner, GK
Mushotzky, RF
Ajello, M
Barthelmy, S
Beardmore, A
Brandt, WN
Burrows, D
Chincarini, G
Campana, S
Cummings, J
Cusumano, G
Evans, P
Fenimore, E
Gehrels, N
Godet, O
Grupe, D
Holland, S
Kennea, J
Krimm, HA
Koss, M
Moretti, A
Mukai, K
Osborne, JP
Okajima, T
Pagani, C
Page, K
Palmer, D
Parsons, A
Schneider, DP
Sakamoto, T
Sambruna, R
Sato, G
Stamatikos, M
Stroh, M
Ukwata, T
Winter, L
AF Tueller, J.
Baumgartner, W. H.
Markwardt, C. B.
Skinner, G. K.
Mushotzky, R. F.
Ajello, M.
Barthelmy, S.
Beardmore, A.
Brandt, W. N.
Burrows, D.
Chincarini, G.
Campana, S.
Cummings, J.
Cusumano, G.
Evans, P.
Fenimore, E.
Gehrels, N.
Godet, O.
Grupe, D.
Holland, S.
Kennea, J.
Krimm, H. A.
Koss, M.
Moretti, A.
Mukai, K.
Osborne, J. P.
Okajima, T.
Pagani, C.
Page, K.
Palmer, D.
Parsons, A.
Schneider, D. P.
Sakamoto, T.
Sambruna, R.
Sato, G.
Stamatikos, M.
Stroh, M.
Ukwata, T.
Winter, L.
TI THE 22 MONTH SWIFT-BAT ALL-SKY HARD X-RAY SURVEY
SO ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
LA English
DT Article
DE catalogs; galaxies: active; gamma rays: observations; novae, cataclysmic
variables; surveys; X-rays: binaries
ID ACTIVE GALACTIC NUCLEI; INTEGRAL SOURCES; XMM-NEWTON; OPTICAL
SPECTROSCOPY; CATALOG; TELESCOPE; PULSAR; IDENTIFICATION; COUNTERPART;
BINARIES
AB We present the catalog of sources detected in the first 22 months of data from the hard X-ray survey (14-195 keV) conducted with the Burst Alert Telescope (BAT) coded mask imager on the Swift satellite. The catalog contains 461 sources detected above the 4.8 sigma level with BAT. High angular resolution X-ray data for every source from Swift-XRT or archival data have allowed associations to be made with known counterparts in other wavelength bands for over 97% of the detections, including the discovery of similar to 30 galaxies previously unknown as active galactic nuclei and several new Galactic sources. A total of 266 of the sources are associated with Seyfert galaxies (median redshift z similar to 0.03) or blazars, with the majority of the remaining sources associated with X-ray binaries in our Galaxy. This ongoing survey is the first uniform all-sky hard X-ray survey since HEAO-1 in 1977. Since the publication of the nine-month BAT survey we have increased the number of energy channels from four to eight and have substantially increased the number of sources with accurate average spectra. The BAT 22 month catalog is the product of the most sensitive all-sky survey in the hard X-ray band, with a detection sensitivity (4.8 sigma) of 2.2 x 10(-11) erg cm(-2) s(-1) (1 mCrab) over most of the sky in the 14-195 keV band.
C1 [Tueller, J.; Baumgartner, W. H.; Markwardt, C. B.; Skinner, G. K.; Mushotzky, R. F.; Barthelmy, S.; Cummings, J.; Gehrels, N.; Holland, S.; Krimm, H. A.; Koss, M.; Mukai, K.; Okajima, T.; Parsons, A.; Sakamoto, T.; Sambruna, R.; Stamatikos, M.; Ukwata, T.] NASA, Goddard Space Flight Ctr, Astrophys Sci Div, Greenbelt, MD 20771 USA.
[Baumgartner, W. H.; Mukai, K.] Univ Maryland Baltimore Cty, Joint Ctr Astrophys, Baltimore, MD 21250 USA.
[Baumgartner, W. H.; Markwardt, C. B.; Skinner, G. K.; Holland, S.; Krimm, H. A.; Koss, M.; Mukai, K.] CRESST, Columbia, MD 21044 USA.
[Markwardt, C. B.; Skinner, G. K.; Koss, M.] Univ Maryland, Dept Astron, College Pk, MD 20742 USA.
[Ajello, M.] SLAC Natl Lab, Menlo Pk, CA 94025 USA.
[Ajello, M.] Kavli Inst Particle Astrophys & Cosmol, Menlo Pk, CA 94025 USA.
[Beardmore, A.; Evans, P.; Godet, O.; Osborne, J. P.; Page, K.] Univ Leicester, Dept Phys & Astron, Xray & Observat Astron Grp, Leicester LE1 7RH, Leics, England.
[Brandt, W. N.; Burrows, D.; Grupe, D.; Kennea, J.; Pagani, C.; Schneider, D. P.; Stroh, M.] Penn State Univ, Dept Astron & Astrophys, Davey Lab 525, University Pk, PA 16802 USA.
[Chincarini, G.; Campana, S.; Moretti, A.] INAF, OAB, I-20121 Milan, Italy.
[Cusumano, G.] INAF, IASF Palermo, Ist Astrofis Spaziale & Fis Cosm Palermo, I-90146 Palermo, Italy.
[Fenimore, E.; Palmer, D.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Okajima, T.] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA.
[Sakamoto, T.; Stamatikos, M.] Oak Ridge Associated Univ, Oak Ridge, TN 37831 USA.
[Sato, G.] Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, JAXA, Sagamihara, Kanagawa 2298510, Japan.
[Ukwata, T.] George Washington Univ, Dept Phys, Washington, DC 20052 USA.
[Winter, L.] Univ Colorado, Ctr Astrophys & Space Astron, Boulder, CO 80309 USA.
RP Tueller, J (reprint author), NASA, Goddard Space Flight Ctr, Astrophys Sci Div, Greenbelt, MD 20771 USA.
EM Wayne.Baumgartner@nasa.gov
RI Barthelmy, Scott/D-2943-2012; Gehrels, Neil/D-2971-2012; Tueller,
Jack/D-5334-2012; Lujan Center, LANL/G-4896-2012; Parsons,
Ann/I-6604-2012; Koss, Michael/B-1585-2015; Brandt, William/N-2844-2015;
OI Koss, Michael/0000-0002-7998-9581; Brandt, William/0000-0002-0167-2453;
Campana, Sergio/0000-0001-6278-1576; Cusumano,
Giancarlo/0000-0002-8151-1990; moretti, alberto/0000-0002-9770-0315
NR 59
TC 138
Z9 138
U1 0
U2 4
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0067-0049
EI 1538-4365
J9 ASTROPHYS J SUPPL S
JI Astrophys. J. Suppl. Ser.
PD FEB
PY 2010
VL 186
IS 2
BP 378
EP 405
DI 10.1088/0067-0049/186/2/378
PG 28
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 552IU
UT WOS:000274283900009
ER
PT J
AU Pokkuluri, PR
Londer, YY
Yang, X
Duke, NEC
Erickson, J
Orshonsky, V
Johnson, G
Schiffer, M
AF Pokkuluri, P. R.
Londer, Y. Y.
Yang, X.
Duke, N. E. C.
Erickson, J.
Orshonsky, V.
Johnson, G.
Schiffer, M.
TI Structural characterization of a family of cytochromes c(7) involved in
Fe(III) respiration by Geobacter sulfurreducens
SO BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS
LA English
DT Article
DE Cytochrome c(7) structure; Heme-puckering; Multiheme cytochrome;
Electron transfer; Fe(III) reduction; Geobacter sulfurreducens
ID C-TYPE CYTOCHROMES; X-RAY-DIFFRACTION; ANGSTROM RESOLUTION;
DESULFUROMONAS-ACETOXIDANS; ELECTRON-TRANSFER; ESCHERICHIA-COLI;
HETEROLOGOUS EXPRESSION; MULTIDOMAIN CYTOCHROME; TETRAHEME CYTOCHROME;
CRYSTAL-STRUCTURE
AB Periplasmic cytochromes c(7) are important in electron transfer pathway(s) in Fe(III) respiration by Geobacter sulfurreducens. The genome of G. sulfurreducens encodes a family of five 10-kDa, three-heme cytochromes c(7). The sequence identity between the five proteins (designated PpcA, PpcB, PpcC, PpcD, and PpcE) varies between 45% and 77%. Here, we report the high-resolution structures of PpcC, PpcD, and PpcE determined by X-ray diffraction. This new information made it possible to compare the sequences and structures of the entire family. The triheme cores are largely conserved but are not identical. We observed changes, due to different crystal packing, in the relative positions of the hemes between two molecules in the crystal. The overall protein fold of the cytochromes is similar. The structure of PpcD differs most from that of the other homologs, which is not obvious from the sequence comparisons of the family. Interestingly, PpcD is the only cytochrome c(7) within the family that has higher abundance when G. sulfurreducens is grown on insoluble Fe (III) oxide compared to ferric citrate. The structures have the highest degree of conservation around "heme IV"; the protein surface around this heme is positively charged in all of the proteins, and therefore all cytochromes c(7) could interact with similar molecules involving this region. The structures and surface characteristics of the proteins near the other two hemes, "heme I" and "heme III", differ within the family. The above observations suggest that each of the five cytochromes c(7) could interact with its own redox partner via an interface involving the regions of heme I and/or heme III; this provides a possible rationalization for the existence of five similar proteins in G. sulfurreducens. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Pokkuluri, P. R.; Londer, Y. Y.; Yang, X.; Duke, N. E. C.; Erickson, J.; Orshonsky, V.; Johnson, G.; Schiffer, M.] Argonne Natl Lab, Biosci Div, Argonne, IL 60439 USA.
RP Schiffer, M (reprint author), Argonne Natl Lab, Biosci Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM mschiffer@anl.gov
FU U.S. Department of Energy's [DE-AC02-06CH11357]
FX The work at Argonne National Laboratory was supported by the U.S.
Department of Energy's Office of Science, Biological and Environmental
Research GTL program under contract No. DE-AC02-06CH11357. Use of the
Structural Biology Center beamlines was supported by the U.S. Department
of Energy's Office of Biological and Environmental Research. Use of the
Advanced Photon Source was supported by the U. S. Department of Energy,
Office of Science, Office of Basic Energy Sciences. Prof. C.A. SaIgueiro
(FCT/UNL, Lisbon) contributed many useful discussions and critical
reading of the manuscript. This work is a part of collaboration with
Prof. D. R. Lovley (University of Massachusetts, Amherst) under the
Genomics:GTL project.
NR 46
TC 25
Z9 26
U1 1
U2 8
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0005-2728
EI 0006-3002
J9 BBA-BIOENERGETICS
JI Biochim. Biophys. Acta-Bioenerg.
PD FEB
PY 2010
VL 1797
IS 2
BP 222
EP 232
DI 10.1016/j.bbabio.2009.10.007
PG 11
WC Biochemistry & Molecular Biology; Biophysics
SC Biochemistry & Molecular Biology; Biophysics
GA 556FD
UT WOS:000274574200012
PM 19857457
ER
PT J
AU Perry, JJP
Shin, DS
Getzoff, ED
Tainer, JA
AF Perry, J. J. P.
Shin, D. S.
Getzoff, E. D.
Tainer, J. A.
TI The structural biochemistry of the superoxide dismutases
SO BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS
LA English
DT Review
DE Superoxide dismutase; Reactive oxygen species; Amyotrophic lateral
sclerosis; Lou Gehrig's disease; Protein crystallography
ID AMYOTROPHIC-LATERAL-SCLEROSIS; NITRIC-OXIDE SYNTHASE; MOTOR-NEURON
DISEASE; DIFFERENTIAL SCANNING CALORIMETRY; AMINO-ACID SUBSTITUTION;
MNSOD GENE POLYMORPHISM; WERNER-SYNDROME PROTEIN; X-RAY CRYSTALLOGRAPHY;
PROSTATE-CANCER RISK; ESCHERICHIA-COLI
AB The discovery of superoxide dismutases (SODs), which convert superoxide radicals to molecular oxygen and hydrogen peroxide, has been termed the most important discovery of modern biology never to win a Nobel Prize. Here, we review the reasons this discovery has been underappreciated, as well as discuss the robust results supporting its premier biological importance and utility for current research. We highlight our understanding of SOD function gained through structural biology analyses, which reveal important hydrogen-bonding schemes and metal-binding motifs. These structural features create remarkable enzymes that promote catalysis at faster than diffusion-limited rates by using electrostatic guidance. These architectures additionally alter the redox potential of the active site metal center to a range suitable for the superoxide disproportionation reaction and protect against inhibition of catalysis by molecules such as phosphate. SOD structures may also control their enzymatic activity through product inhibition: manipulation of these product inhibition levels has the potential to generate therapeutic forms of SOD. Markedly, structural destabilization of the SOD architecture can lead to disease, as mutations in Cu,ZnSOD may result in familial amyotrophic lateral sclerosis, a relatively common, rapidly progressing and fatal neurodegenerative disorder. We describe our current understanding of how these Cu,ZnSOD mutations may lead to aggregation/fibril formation, as a detailed understanding of these mechanisms provides new avenues for the development of therapeutics against this so far untreatable neurodegenerative pathology. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Perry, J. J. P.; Shin, D. S.; Getzoff, E. D.; Tainer, J. A.] Scripps Res Inst, Dept Mol Biol, La Jolla, CA 92037 USA.
[Perry, J. J. P.; Shin, D. S.; Getzoff, E. D.; Tainer, J. A.] Scripps Res Inst, Skaggs Inst Chem Biol, La Jolla, CA 92037 USA.
[Perry, J. J. P.] Amrita Univ, Sch Biotechnol, Kollam 690525, Kerala, India.
[Tainer, J. A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Dept Mol Biol, Div Life Sci, Berkeley, CA 94720 USA.
RP Tainer, JA (reprint author), Scripps Res Inst, Dept Mol Biol, 10666 N Torrey Pines Rd, La Jolla, CA 92037 USA.
EM jat@scripps.edu
FU National Institutes of Health [GM39345, GM37684]
FX We dedicate this review to all patients and their families, and the
pioneering researchers in the SOD field, especially Irwin Friclovich and
Joseph McCord, who discovered SOD activity; David and Jane Richardson,
who tackled the three-dimensional structure of SOD; Stefan Marklund, who
discovered SOD3; James Lepock, who characterized SOD stability; Robert
Hallewell, who cloned human SODI; Joan Valentine who characterized the
Cu and Zn ion binding; Barry Halliwell, who characterized superoxide
toxicity; Joseph Beckman and Bruce Freeman, who identified the
cytotoxicity resulting from interactions of superoxide with nitric
oxide; Danielle Touati, who used genetics to show the role of SOD in
cells; Bernard Babior, who discovered superoxide in the oxidative burst
of macrophages; Martha Ludwig, who characterized the first FeSOD
structures; Teepu Siddique and Robert Brown, who identified SOD
mutations in ALS patients; Don Cleveland, who identified aggregates
containing SOD1 as common to FALS disease; and Larry Oberley who defined
SOD roles in cancer. We thank Michael Pique for 30+ years of insightful
SOD computer graphics, and members of the Tainer and the Getzoff
laboratories at TSRI for their critical comments on this manuscript.
Work on SOD in the authors' laboratories was funded by the National
Institutes of Health (GM39345 and GM37684).
NR 290
TC 131
Z9 141
U1 5
U2 55
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1570-9639
J9 BBA-PROTEINS PROTEOM
JI BBA-Proteins Proteomics
PD FEB
PY 2010
VL 1804
IS 2
SI SI
BP 245
EP 262
DI 10.1016/j.bbapap.2009.11.004
PG 18
WC Biochemistry & Molecular Biology; Biophysics
SC Biochemistry & Molecular Biology; Biophysics
GA 559YM
UT WOS:000274868600002
PM 19914407
ER
PT J
AU Abreu, IA
Cabelli, DE
AF Abreu, Isabel A.
Cabelli, Diane E.
TI Superoxide dismutases-a review of the metal-associated mechanistic
variations
SO BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS
LA English
DT Review
DE Superoxide Dismutase; Manganese Superoxide Dismutase (MnSOD); CopperZinc
Superoxide Dismutase (CuZnSOD); Iron Superoxide Dismutase (FeSOD);
Nickel Superoxide Dismutase (NiSOD); Amyotrophic Lateral Sclerosis
(ALS); Pulse Radiolysis; Stopped Flow technique
ID AMYOTROPHIC-LATERAL-SCLEROSIS; ENHANCED PEROXIDASE-ACTIVITY; AMINO-ACID
SUBSTITUTION; FE-S CLUSTER; ESCHERICHIA-COLI; HYDROGEN-PEROXIDE;
PULSE-RADIOLYSIS; ACTIVE-SITE; CRYSTAL-STRUCTURE;
SACCHAROMYCES-CEREVISIAE
AB Superoxide dismutases are enzymes that function to catalytically convert superoxide radical to oxygen and hydrogen peroxide. These enzymes carry out catalysis at near diffusion controlled rate constants via a general mechanism that involves the sequential reduction and oxidation of the metal center, with the concomitant oxidation and reduction of superoxide radicals. That the catalytically active metal can be copper, iron, manganese or, recently, nickel is one of the fascinating features of this class of enzymes. In this review, we describe these enzymes in terms of the details of their catalytic properties, with an emphasis on the mechanistic differences between the enzymes. The focus here will be concentrated mainly on two of these enzymes, copper, zinc superoxide dismutase and manganese superoxide dismutase, and some relatively subtle variations in the mechanisms by which they function. Published by Elsevier B.V.
C1 [Cabelli, Diane E.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
[Abreu, Isabel A.] Univ Nova Lisboa, Inst Tecnol Quim & Biol, Plant Genet Engn Grp, P-2784505 Oeiras, Portugal.
RP Cabelli, DE (reprint author), Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
EM Cabelli@bnl.gov
RI Abreu, Isabel/I-5081-2013
OI Abreu, Isabel/0000-0002-5566-2146
FU Fundacao para a Ciencia e Tecnologia, Portugal
[SFRH/BPD/20581/2004/BH49]
FX The authors would like to thank Dr. Celia Romao for valuable assistance
with Figs. 5 and 7. I.A.A. was supported by a Post-doctoral fellowship
(SFRH/BPD/20581/2004/BH49) from Fundacao para a Ciencia e Tecnologia,
Portugal.
NR 99
TC 139
Z9 146
U1 10
U2 67
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1570-9639
J9 BBA-PROTEINS PROTEOM
JI BBA-Proteins Proteomics
PD FEB
PY 2010
VL 1804
IS 2
SI SI
BP 263
EP 274
DI 10.1016/j.bbapap.2009.11.005
PG 12
WC Biochemistry & Molecular Biology; Biophysics
SC Biochemistry & Molecular Biology; Biophysics
GA 559YM
UT WOS:000274868600003
PM 19914406
ER
PT J
AU Cannon, GC
Heinhorst, S
Kerfeld, CA
AF Cannon, Gordon C.
Heinhorst, Sabine
Kerfeld, Cheryl A.
TI Carboxysomal carbonic anhydrases: Structure and role in microbial CO2
fixation
SO BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS
LA English
DT Review
DE Carboxysome; Carbonic anhydrase; CO2-concentrating mechanism;
Cyanobacteria; Chemoautotrophs
ID CYANOBACTERIUM SYNECHOCOCCUS PCC7942; THIOBACILLUS-NEAPOLITANUS;
CONCENTRATING MECHANISMS; HALOTHIOBACILLUS-NEAPOLITANUS;
METHANOSARCINA-THERMOPHILA; ACTIVE-SITE; SYNECHOCYSTIS PCC6803; SHELL;
PHOTOSYNTHESIS; PROTEIN
AB Cyanobacteria and some chemoautotrophic bacteria are able to grow in environments with limiting CO2. concentrations by employing a CO2-concentrating mechanism (CCM) that allows them to accumulate inorganic carbon in their cytoplasm to concentrations several orders of magnitude higher than that on the outside. The final step of this process takes place in polyhedral protein microcompartments known as carboxysomes, which contain the majority of the CO2-fixing enzyme, RubisCO. The efficiency of CO2 fixation by the sequestered RubisCO is enhanced by co-localization with a specialized carbonic anhydrase that catalyzes dehydration of the cytoplasmic bicarbonate and ensures saturation of RubisCO with its substrate, CO2. There are two genetically distinct carboxysome types that differ in their protein composition and in the carbonic anhydrase(s) they employ. Here we review the existing information concerning the genomics, structure and enzymology of these uniquely adapted carbonic anhydrases, which are of fundamental importance in the global carbon cycle. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Cannon, Gordon C.; Heinhorst, Sabine] Univ So Mississippi, Dept Chem & Biochem, Hattiesburg, MS 39406 USA.
[Kerfeld, Cheryl A.] US DOE, Joint Genome Inst, Walnut Creek, CA 94598 USA.
[Kerfeld, Cheryl A.] Univ Calif Berkeley, Dept Plant & Microbial Biol, Berkeley, CA 94720 USA.
RP Cannon, GC (reprint author), Univ So Mississippi, Dept Chem & Biochem, 118 Coll Dr 5043, Hattiesburg, MS 39406 USA.
EM gordon.cannon@usm.edu
FU National Science Foundation (NSF) [MCB-0818680, MCB-0851070]; NSF
[MCB-0444568]; US Department of Energy's Office of Science, Biological
and Environmental Research Program; University of California, Lawrence
Berkeley National Laboratory [DE-AC02-05CH11231]; Lawrence Livermore
National Laboratory [DEAC52-07NA27344]
FX We thank Seth Axen for assistance in preparing the figures. The authors'
current carboxysome research is supported by National Science Foundation
(NSF) grants MCB-0818680 (to G.C.C. and S.H.) and MCB-0851070 (to
G.C.C., S.H. and C.A.K). The authors' previous CA studies were funded by
NSF grant MCB-0444568 (to G.C.Q. CAK's work is performed under the
auspices of the US Department of Energy's Office of Science, Biological
and Environmental Research Program, and by the University of California,
Lawrence Berkeley National Laboratory under contract number
DE-AC02-05CH11231, Lawrence Livermore National Laboratory under contract
number DEAC52-07NA27344.
NR 66
TC 52
Z9 54
U1 3
U2 41
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1570-9639
J9 BBA-PROTEINS PROTEOM
JI BBA-Proteins Proteomics
PD FEB
PY 2010
VL 1804
IS 2
SI SI
BP 382
EP 392
DI 10.1016/j.bbapap.2009.09.026
PG 11
WC Biochemistry & Molecular Biology; Biophysics
SC Biochemistry & Molecular Biology; Biophysics
GA 559YM
UT WOS:000274868600015
PM 19818881
ER
PT J
AU Tosh, DK
Yoo, LS
Chinn, M
Hong, K
Kilbey, SM
Barrett, MO
Fricks, IP
Harden, TK
Gao, ZG
Jacobson, KA
AF Tosh, Dilip K.
Yoo, Lena S.
Chinn, Moshe
Hong, Kunlun
Kilbey, S. Michael, II
Barrett, Matthew O.
Fricks, Ingrid P.
Harden, T. Kendall
Gao, Zhan-Guo
Jacobson, Kenneth A.
TI Polyamidoamine (PAMAM) Dendrimer Conjugates of "Clickable" Agonists of
the A(3) Adenosine Receptor and Coactivation of the P2Y(14) Receptor by
a Tethered Nucleotide
SO BIOCONJUGATE CHEMISTRY
LA English
DT Article
ID SELECTIVE AGONISTS; ANTAGONIST; RADIOLIGAND; ACTIVATION; CHEMISTRY;
THERAPY; LIGANDS; CELLS; FLUID
AB We previously synthesized a series of potent and selective A(3) adenosine receptor (AR) agonists (North-methanocarbanucleoside 5'-uronamides) containing dialkyne groups on extended adenine C2 substituents. We coupled the distal alkyne of a 2-octadiynyl nucleoside by Cu(I)-catalyzed "click" chemistry to azide-derivatized G4 (fourth-generation) PAMAM dendrimers to form triazoles. A(3)AR activation was preserved in these multivalent conjugates, which bound with apparent K-i of 0.1-0.3 nM. They were substituted with nucleoside moieties, solely or in combination with water-solubilizing carboxylic acid groups derived from hexynoic acid. A comparison with various amide-linked dendrimers showed that triazole-linked conjugates displayed selectivity and enhanced A(3)AR affinity. We prepared a PAMAM dendrimer containing equiproportioned peripheral azido and amino groups for conjugation of multiple ligands. A bifunctional conjugate activated both A(3) and P2Y(14) receptors (via amide-linked uridine-5'-diphosphoglucuronic acid), with selectivity in comparison to other ARs and P2Y receptors. This is the first example of targeting two different GPCRs with the same dendrimer conjugate, which is intended for activation of heteromeric GPCR aggregates. Synergistic effects of activating multiple GPCRs with a single dendrimer conjugate might be useful in disease treatment.
C1 [Tosh, Dilip K.; Yoo, Lena S.; Chinn, Moshe; Gao, Zhan-Guo; Jacobson, Kenneth A.] NIDDK, Mol Recognit Sect, Bioorgan Chem Lab, NIH, Bethesda, MD 20892 USA.
[Hong, Kunlun; Kilbey, S. Michael, II] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
[Barrett, Matthew O.; Fricks, Ingrid P.; Harden, T. Kendall] Univ N Carolina, Sch Med, Dept Pharmacol, Chapel Hill, NC 27599 USA.
RP Jacobson, KA (reprint author), NIDDK, Mol Recognit Sect, Bioorgan Chem Lab, NIH, Bldg 8A,Rm B1A-19, Bethesda, MD 20892 USA.
EM kajacobs@helix.nih.gov
RI Jacobson, Kenneth/A-1530-2009; Hong, Kunlun/E-9787-2015
OI Jacobson, Kenneth/0000-0001-8104-1493; Hong, Kunlun/0000-0002-2852-5111
FU NIH, NIDDK; Scientific User Facilities Division, Office of Basic Energy
Sciences, U.S. Department of Energy
FX We thank Dr. John Lloyd and Dr. Noel Whittaker (NIDDK) for the mass
spectral determinations. We thank Dr. Bruce Liang (Univ. of Connecticut)
for helpful discussion. This research was supported by the Intramural
Research Program of the NIH, NIDDK. Research conducted at the Center for
Nanophase Materials Sciences at Oak Ridge National Laboratory is
sponsored by the Scientific User Facilities Division, Office of Basic
Energy Sciences, U.S. Department of Energy.
NR 42
TC 29
Z9 30
U1 1
U2 8
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1043-1802
J9 BIOCONJUGATE CHEM
JI Bioconjugate Chem.
PD FEB
PY 2010
VL 21
IS 2
BP 372
EP 384
DI 10.1021/bc900473v
PG 13
WC Biochemical Research Methods; Biochemistry & Molecular Biology;
Chemistry, Multidisciplinary; Chemistry, Organic
SC Biochemistry & Molecular Biology; Chemistry
GA 555MG
UT WOS:000274514300023
PM 20121074
ER
PT J
AU Roy, HE
Brodie, EL
Chandler, D
Goettel, MS
Pell, JK
Wajnberg, E
Vega, FE
AF Roy, Helen E.
Brodie, Eoin L.
Chandler, Dave
Goettel, Mark S.
Pell, Judith K.
Wajnberg, Eric
Vega, Fernando E.
TI Deep space and hidden depths: understanding the evolution and ecology of
fungal entomopathogens
SO BIOCONTROL
LA English
DT Article
DE Ecology; Evolution; Entomopathogenic fungi; Biological control;
Tri-trophic interactions; Modelling; Rhizosphere; Endophytes;
Behavioural ecology; Molecular tools
ID DIVERSITY; CLASSIFICATION; POPULATIONS; PATHOGENS
AB Entomopathogens are important natural enemies of many insect and mite species and as such have been recognised as providing an important ecosystem service. Indeed, fungal entomopathogens have been widely investigated as biological control agents of pest insects in attempts to improve the sustainability of crop protection. However, even though our understanding of the ecology of fungal entomopathogens has vastly increased since the early 1800s, we still require in-depth ecological research that can expand our scientific horizons in a manner that facilitates widespread adoption of these organisms as efficient biological control agents. Fungal entomopathogens have evolved some intricate interactions with arthropods, plants and other microorganisms. The full importance and complexity of these relationships is only just becoming apparent. It is important to shift our thinking from conventional biological control, to an understanding of an as yet unknown "deep space". The use of molecular techniques and phylogenetic analyses have helped us move in this direction, and have provided important insights on fungal relationships. Nevertheless, new techniques such as the PhyloChip and pyrosequencing might help us see beyond the familiar fields, into areas that could help us forge a new understanding of the ecology of fungal entomopathogens.
C1 [Roy, Helen E.] NERC Ctr Ecol & Hydrol, Wallingford OX10 8BB, Oxon, England.
[Brodie, Eoin L.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Dept Ecol, Berkeley, CA 94720 USA.
[Chandler, Dave] Univ Warwick, Warwick HRI, Warwick CV35 9EF, England.
[Goettel, Mark S.] Agr & Agri Food Canada, Lethbridge Res Ctr, Lethbridge, AB T1J 4B1, Canada.
[Pell, Judith K.] Rothamsted Res, Dept Plant & Invertebrate Ecol, Harpenden AL5 2JQ, Herts, England.
[Wajnberg, Eric] INRA, F-06903 Sophia Antipolis, France.
[Vega, Fernando E.] ARS, Sustainable Perennial Crops Lab, USDA, Beltsville, MD 20705 USA.
RP Roy, HE (reprint author), NERC Ctr Ecol & Hydrol, Wallingford OX10 8BB, Oxon, England.
EM Hele@ceh.ac.uk
RI Wajnberg, Eric/A-4862-2009; Roy, Helen/A-1488-2010; Brodie,
Eoin/A-7853-2008;
OI Wajnberg, Eric/0000-0002-6700-7114; Brodie, Eoin/0000-0002-8453-8435;
Vega, Fernando E./0000-0001-8103-5640
FU Natural Environment Research Council; Department for Environment, Food
and Rural Affairs of the United Kingdom; Biotechnology and Biological
Sciences Research Council of the United Kingdom (BBSRC)
FX The Rockefeller Foundation Bellagio Study and Conference Center in Italy
hosted the June 2008 meeting Entomopathogenic fungi in sustainable
agriculture: use against insects and beyond (organised by F. E. Vega and
M. S. Goettel). This meeting was the inspiration for this special
edition and we express our sincere gratitude to the staff at The
Rockefeller Foundation and at the Bellagio Study and Conference Centre.
HER is supported by the Natural Environment Research Council. JKP is
supported by the Department for Environment, Food and Rural Affairs of
the United Kingdom (Defra) and the Biotechnology and Biological Sciences
Research Council of the United Kingdom (BBSRC). Rothamsted Research is
an Institute of BBSRC.
NR 40
TC 11
Z9 14
U1 2
U2 31
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 1386-6141
J9 BIOCONTROL
JI Biocontrol
PD FEB
PY 2010
VL 55
IS 1
BP 1
EP 6
DI 10.1007/s10526-009-9244-7
PG 6
WC Entomology
SC Entomology
GA 541UF
UT WOS:000273445500001
ER
PT J
AU Boonchayaanant, B
Gu, BH
Wang, W
Ortiz, ME
Criddle, CS
AF Boonchayaanant, Benjaporn
Gu, Baohua
Wang, Wei
Ortiz, Monica E.
Criddle, Craig S.
TI Can microbially-generated hydrogen sulfide account for the rates of
U(VI) reduction by a sulfate-reducing bacterium?
SO BIODEGRADATION
LA English
DT Article
DE Uranium reduction; Sulfate-reducing bacteria; Hydrogen sulfide; Growth
kinetics; Ferrous iron
ID HIGHLY CONTAMINATED AQUIFER; URANIUM REDUCTION; SUBMICROMOLAR LEVELS;
CELL-WALL; IRON; BIOREMEDIATION; BIOREDUCTION; GROUNDWATER; KINETICS;
SORPTION
AB In situ remediation of uranium contaminated soil and groundwater is attractive because a diverse range of microbial and abiotic processes reduce soluble and mobile U(VI) to sparingly soluble and immobile U(IV). Often these processes are linked. Sulfate-reducing bacteria (SRB), for example, enzymatically reduce U(VI) to U(IV), but they also produce hydrogen sulfide that can itself reduce U(VI). This study evaluated the relative importance of these processes for Desulfovibrio aerotolerans, a SRB isolated from a U(VI)-contaminated site. For the conditions evaluated, the observed rate of SRB-mediated U(VI) reduction can be explained by the abiotic reaction of U(VI) with the microbially-generated H(2)S. The presence of trace ferrous iron appeared to enhance the extent of hydrogen sulfide-mediated U(VI) reduction at 5 mM bicarbonate, but had no clear effect at 15 mM. During the hydrogen sulfide-mediated reduction of U(VI), a floc formed containing uranium and sulfur. U(VI) sequestered in the floc was not available for further reduction.
C1 [Boonchayaanant, Benjaporn; Criddle, Craig S.] Stanford Univ, Dept Civil & Environm Engn, Stanford, CA 94305 USA.
[Gu, Baohua; Wang, Wei] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Ortiz, Monica E.] Stanford Univ, Dept Bioengn, Stanford, CA 94305 USA.
RP Criddle, CS (reprint author), Stanford Univ, Dept Civil & Environm Engn, 473 Via Ortega,Yang & Yamazaki Environm & Energy, Stanford, CA 94305 USA.
EM ccriddle@stanford.edu
RI Wang, Wei/B-5924-2012; Gu, Baohua/B-9511-2012;
OI Gu, Baohua/0000-0002-7299-2956; Boonchayaanant Suwannasilp,
Benjaporn/0000-0003-4321-5370
FU Environmental Remediation Science Program (ERSP); U.S. Department of
Energy [DOEAC05-00OR22725]
FX This work was funded by the Environmental Remediation Science Program
(ERSP), U.S. Department of Energy, under grant number DOEAC05-00OR22725.
We thank two anonymous reviewers for thoughtful reviews and
recommendations that significantly improved the manuscript.
NR 43
TC 15
Z9 16
U1 1
U2 11
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0923-9820
J9 BIODEGRADATION
JI Biodegradation
PD FEB
PY 2010
VL 21
IS 1
BP 81
EP 95
DI 10.1007/s10532-009-9283-x
PG 15
WC Biotechnology & Applied Microbiology
SC Biotechnology & Applied Microbiology
GA 536ZO
UT WOS:000273082700008
PM 19597947
ER
PT J
AU Hooper, SD
Dalevi, D
Pati, A
Mavromatis, K
Ivanova, NN
Kyrpides, NC
AF Hooper, Sean D.
Dalevi, Daniel
Pati, Amrita
Mavromatis, Konstantinos
Ivanova, Natalia N.
Kyrpides, Nikos C.
TI Estimating DNA coverage and abundance in metagenomes using a gamma
approximation
SO BIOINFORMATICS
LA English
DT Article
ID MICROBIAL COMMUNITIES; VIRAL COMMUNITIES; GENOME; DIVERSITY
AB Motivation: Shotgun sequencing generates large numbers of short DNA reads from either an isolated organism or, in the case of metagenomics projects, from the aggregate genome of a microbial community. These reads are then assembled based on overlapping sequences into larger, contiguous sequences (contigs). The feasibility of assembly and the coverage achieved (reads per nucleotide or distinct sequence of nucleotides) depend on several factors: the number of reads sequenced, the read length and the relative abundances of their source genomes in the microbial community. A low coverage suggests that most of the genomic DNA in the sample has not been sequenced, but it is often difficult to estimate either the extent of the uncaptured diversity or the amount of additional sequencing that would be most effcacious. In this work, we regard a metagenome as a population of DNA fragments (bins), each of which may be covered by one or more reads. We employ a gamma distribution to model this bin population due to its flexibility and ease of use. When a gamma approximation can be found that adequately fits the data, we may estimate the number of bins that were not sequenced and that could potentially be revealed by additional sequencing. We evaluated the performance of this model using simulated metagenomes and demonstrate its applicability on three recent metagenomic datasets.
C1 [Hooper, Sean D.; Pati, Amrita; Mavromatis, Konstantinos; Ivanova, Natalia N.; Kyrpides, Nikos C.] Genome Biol Program, Dept Energy, Joint Genome Inst, Walnut Creek, CA 94598 USA.
[Dalevi, Daniel] Lawrence Berkeley Natl Lab, Biol Data Management & Technol Ctr, Berkeley, CA 94720 USA.
RP Hooper, SD (reprint author), Genome Biol Program, Dept Energy, Joint Genome Inst, 2800 Mitchell Dr, Walnut Creek, CA 94598 USA.
EM sean.d.hooper@genpat.uu.se
RI Kyrpides, Nikos/A-6305-2014
OI Kyrpides, Nikos/0000-0002-6131-0462
FU US Department of Energy's Office of Science, Biological and
Environmental Research Program; University of California, Lawrence
Berkeley National Laboratory [DE-AC02-05CH11231]; Lawrence Livermore
National Laboratory [DE-AC52-07NA27344]; Los Alamos National Laboratory
[DE-AC02-06NA25396]
FX US Department of Energy's Office of Science, Biological and
Environmental Research Program and by the University of California,
Lawrence Berkeley National Laboratory under contract No.
DE-AC02-05CH11231, Lawrence Livermore National Laboratory under Contract
No. DE-AC52-07NA27344, and Los Alamos National Laboratory under contract
No. DE-AC02-06NA25396.
NR 27
TC 10
Z9 11
U1 1
U2 5
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 1367-4803
J9 BIOINFORMATICS
JI Bioinformatics
PD FEB 1
PY 2010
VL 26
IS 3
BP 295
EP 301
DI 10.1093/bioinformatics/btp687
PG 7
WC Biochemical Research Methods; Biotechnology & Applied Microbiology;
Computer Science, Interdisciplinary Applications; Mathematical &
Computational Biology; Statistics & Probability
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Computer Science; Mathematical & Computational Biology; Mathematics
GA 553CP
UT WOS:000274342800001
PM 20008478
ER
PT J
AU Kent, MS
Cheng, G
Murton, JK
Carles, EL
Dibble, DC
Zendejas, F
Rodriquez, MA
Tran, H
Holmes, B
Simmons, BA
Knierim, B
Auer, M
Banuelos, JL
Urquidi, J
Hjelm, RP
AF Kent, M. S.
Cheng, G.
Murton, J. K.
Carles, E. L.
Dibble, D. C.
Zendejas, F.
Rodriquez, M. A.
Tran, H.
Holmes, B.
Simmons, B. A.
Knierim, B.
Auer, M.
Banuelos, J. L.
Urquidi, J.
Hjelm, R. P.
TI Study of Enzymatic Digestion of Cellulose by Small Angle Neutron
Scattering
SO BIOMACROMOLECULES
LA English
DT Article
ID X-RAY-SCATTERING; MAJOR STRUCTURAL FEATURES; FIBRILLAR STRUCTURE; NATIVE
CELLULOSE; SUPERMOLECULAR STRUCTURE; INSOLUBLE CELLULOSE; ELEMENTARY
FIBRILS; PICEA-ABIES; HYDROLYSIS; FIBERS
AB Small angle neutron scattering (SANS) was used to study the structure of Avicel (FD100) microcrystalline cellulose during enzymatic digestion. Digestions were performed in either of two modes a static, quiescent mode or a dynamic mode using a stirred suspension recycled through a flow cell. The scattering pattern for as-received Avicel in D(2)O buffer is comprised of a low Q power law region resulting from the surface fractal character of the microcrystalline fibers and a high Q roll-off due to scattering from water-filled nanopores with radii similar to 20 angstrom. For digestions in the dynamic mode the high Q roll-off decreased in magnitude within similar to 1 h after addition of enzymes, whereas in the static digestions no change was observed in the high Q roll-off, even after 60 h These results indicate that only with significant agitation does enzyme digestion affect the structure of the nanopores
C1 [Kent, M. S.; Murton, J. K.; Carles, E. L.; Rodriquez, M. A.] Sandia Natl Labs, Albuquerque, NM 87123 USA.
[Cheng, G.; Dibble, D. C.; Zendejas, F.; Tran, H.; Holmes, B.; Simmons, B. A.] Sandia Natl Labs, Livermore, CA 94551 USA.
[Kent, M. S.; Cheng, G.; Murton, J. K.; Carles, E. L.; Dibble, D. C.; Tran, H.; Holmes, B.; Simmons, B. A.] Joint BioEnergy Inst, Emeryville, CA 94608 USA.
[Knierim, B.; Auer, M.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Banuelos, J. L.; Urquidi, J.] New Mexico State Univ, Las Cruces, NM 88003 USA.
[Hjelm, R. P.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Kent, MS (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87123 USA.
RI Lujan Center, LANL/G-4896-2012; Banuelos, Jose/L-1561-2013
OI Banuelos, Jose/0000-0003-4644-526X
FU U S Department of Energy, Office of Science, Office of Biological and
Environmental Research [DE-AC02-05CH11231]; United States Department of
Energy [DE-AC04-94AL85000]; National Instititute of Standards and
Technology; U S Department of Commerce; High Flux Isotope Reactor
(HFIR); Los Alamos Neutron Science Center (LANSCE); Scientific User
Facilities Division, Office of Basic Energy Sciences, U.S. Dept of
Energy
FX This work was part of the DOE Joint BioEnergy Institute
(http.//www.jbei.org) supported by the U S Department of Energy, Office
of Science, Office of Biological and Environmental Research, through
Contract DE-AC02-05CH11231 between Lawrence Berkeley National Laboratory
and the U.S Department of Energy Sandia is it multiprogram laboratory
operated by Sandia Corporation, a Lockheed Martin Company, for the
United States Department of Energy under Contract DE-AC04-94AL85000 We
acknowledge the support of the National Instititute of Standards and
Technology, U S Department of Commerce, the High Flux Isotope Reactor
(HFIR) at the Oak Ridge National Laboratory, and the Los Alamos Neutron
Science Center (LANSCE) at the Los Alamos National Laboratory in
providing neutron research facilities used in this work. HFTR and LANSCE
Eire sponsored by the Scientific User Facilities Division, Office of
Basic Energy Sciences, U.S. Dept of Energy.
NR 59
TC 17
Z9 17
U1 0
U2 21
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1525-7797
J9 BIOMACROMOLECULES
JI Biomacromolecules
PD FEB
PY 2010
VL 11
IS 2
BP 357
EP 368
DI 10.1021/bm9008952
PG 12
WC Biochemistry & Molecular Biology; Chemistry, Organic; Polymer Science
SC Biochemistry & Molecular Biology; Chemistry; Polymer Science
GA 551MZ
UT WOS:000274215000007
PM 20041636
ER
PT J
AU Vivero-Escoto, JL
Slowing, II
Lin, VSY
AF Vivero-Escoto, Juan L.
Slowing, Igor I.
Lin, Victor S. -Y.
TI Tuning the cellular uptake and cytotoxicity properties of
oligonucleotide intercalator-functionalized mesoporous silica
nanoparticles with human cervical cancer cells HeLa
SO BIOMATERIALS
LA English
DT Article
DE Mesoporous silica nanoparticles; Cancer cells; Cell growth inhibition;
Phenanthridium; DNA and RNA intercalators; Endocytosis
ID RESPONSIVE CONTROLLED-RELEASE; ETHIDIUM-BROMIDE; DRUG-DELIVERY;
FLOW-CYTOMETRY; NUCLEIC ACIDS; DNA; PHENANTHRIDINIUM; NANOSPHERE;
MOLECULES; MITOCHONDRIAL
AB A series of organically functionalized, MCM-41 type mesoporous silica nanoparticle materials (PAP-LP-MSN and AP-PAP-MSN) with different pore sizes (5.7 nm and 2.5 nm, respectively) were synthesized and characterized. We selectively decorated the exterior particle surface of PAP-LP-MSN and the interior pore surface of AP-PAP-MSN with an oligonucleotide intercalating phenanthridinium functionality. While phenanthridinium itself is a cell membrane impermeable molecule, we demonstrated that both phenanthridinium-immobilized PAP-LP-MSN and AP-PAP-MSN materials could indeed be internalized by live human cervical cancer cells (HeLa). We discovered that the PAP-LP-MSN nanoparticles with the phenanthridium groups located on the exterior surface were able to bind to cytoplasmic oligonucleotides, such as messenger RNAs, of HeLa cells resulting in severe cell growth inhibition. In contrast, the cytotoxicity of AP-PAP-MSN, where the same oligonucleotide intercalating molecules were anchored inside the pores, was significantly lowered upon the endocytosis by HeLa cells. We envision that this approach of combining the selective functionalization of the two different surfaces (exterior particle and interior pore surfaces) with morphology control of mesoporous silica nanoparticles would lead to a new generation of nanodevices with tunable biocompatibility and cell membrane trafficking properties for many biomedical applications. (C) 2009 Elsevier Ltd. All rights reserved.
C1 [Vivero-Escoto, Juan L.; Slowing, Igor I.; Lin, Victor S. -Y.] Iowa State Univ, Dept Chem, US DOE, Ames Lab, Ames, IA 50011 USA.
RP Lin, VSY (reprint author), Iowa State Univ, Dept Chem, US DOE, Ames Lab, Ames, IA 50011 USA.
EM ivivero@iastate.edu; islowing@iastate.edu; vsylin@iastate.edu
RI Vivero-Escoto, Juan/I-8015-2014;
OI Slowing, Igor/0000-0002-9319-8639
FU U.S. National Science Foundation [CHE-0809521]; Biopharmaceuticals &
Bioindustrials Initiative of the Plant Science Institute of Iowa State
University
FX This research was supported by U.S. National Science Foundation
(CHE-0809521) and the Biopharmaceuticals & Bioindustrials Initiative of
the Plant Science Institute of Iowa State University. The authors thank
Dr. C.-W. Wu for experimental assistance in TEM measurement of the
materials and helpful discussions.
NR 35
TC 50
Z9 52
U1 5
U2 50
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0142-9612
J9 BIOMATERIALS
JI Biomaterials
PD FEB
PY 2010
VL 31
IS 6
BP 1325
EP 1333
DI 10.1016/j.biomaterials.2009.11.009
PG 9
WC Engineering, Biomedical; Materials Science, Biomaterials
SC Engineering; Materials Science
GA 548RY
UT WOS:000273985100035
PM 19932923
ER
PT J
AU Wilson, MK
Abergel, RJ
Arceneaux, JEL
Raymond, KN
Byers, BR
AF Wilson, Melissa K.
Abergel, Rebecca J.
Arceneaux, Jean E. L.
Raymond, Kenneth N.
Byers, B. Rowe
TI Temporal production of the two Bacillus anthracis siderophores,
petrobactin and bacillibactin
SO BIOMETALS
LA English
DT Article
DE Siderophores; Petrobactin; Bacillibactin; Iron; Anthrax
ID MEDIATED IRON TRANSPORT; BIOSYNTHESIS; SUBTILIS; TEMPERATURE;
ACQUISITION; INFECTION; BACTERIA; REQUIRES; ENCODES; CEREUS
AB Bacillus anthracis secretes two siderophores, petrobactin (PB) and bacillibactin (BB). These siderophores were temporally produced during germination and outgrowth of spores (the usual infectious form of B. anthracis) in low-iron medium. The siderophore PB was made first while BB secretion began several hours later. Spore outgrowth early in an infection may require PB, whereas delayed BB production suggests a role for BB in the later stages of the infection. Incubation of cultures (inoculated as vegetative cells) at 37A degrees C, as compared to 2A degrees C, increased PB production and decreased secretion of BB, suggesting that the production of PB and BB responded to the host temperature signal. The dual siderophores of B. anthracis may fulfill independent roles in the life cycle of B. anthracis.
C1 [Wilson, Melissa K.; Arceneaux, Jean E. L.; Byers, B. Rowe] Univ Mississippi, Med Ctr, Dept Microbiol, Jackson, MS 39216 USA.
[Abergel, Rebecca J.; Raymond, Kenneth N.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Abergel, Rebecca J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
RP Byers, BR (reprint author), Univ Mississippi, Med Ctr, Dept Microbiol, Jackson, MS 39216 USA.
EM bbyers@emeritus.umsmed.edu
FU Intramural Research Grant Program at the University of Mississippi
Medical Center; National Institutes of Health [AI11744]
FX This research was supported by the Intramural Research Grant Program at
the University of Mississippi Medical Center (BRB and JELA) and by
National Institutes of Health Grant AI11744 (KNR). We thank P. Worsham
for B. anthracis USAMRIID.
NR 25
TC 19
Z9 19
U1 3
U2 16
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0966-0844
J9 BIOMETALS
JI Biometals
PD FEB
PY 2010
VL 23
IS 1
BP 129
EP 134
DI 10.1007/s10534-009-9272-x
PG 6
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 536ZX
UT WOS:000273083600012
PM 19816776
ER
PT J
AU Asatiani, N
Abuladze, M
Kartvelishvili, T
Kulikova, N
Asanishvili, L
Holman, HY
Sapojnikova, N
AF Asatiani, Nino
Abuladze, Marina
Kartvelishvili, Tamar
Kulikova, Nina
Asanishvili, Lali
Holman, Hoi-Ying
Sapojnikova, Nelly
TI Response of antioxidant defense system to chromium (VI)-induced
cytotoxicity in human diploid cells
SO BIOMETALS
LA English
DT Article
DE Chromium (VI); Antioxidant enzymes; Cell cycle; ROS; Apoptosis
ID ACTIVATED PROTEIN-KINASES; OXIDATIVE STRESS; GLUTATHIONE-REDUCTASE;
ASCORBIC-ACID; DNA-DAMAGE; ENDOTHELIAL-CELLS; HYDROGEN-PEROXIDE;
SUPEROXIDE ANION; HUMAN LUNG; IN-VITRO
AB The aim of this study is to establish antioxidant indicators of chromium toxicity in fetal human lung fibroblasts (HLF). The results obtained corroborate and develop our earlier observation of low-dose and long-term action of Cr(VI) on human cells in culture. In the case of a nontoxic chromium dose, temporary oxidative stress is overcome by increased activity of the antioxidant system with correlation to cell cycle re-entry. The toxic concentrations misbalance the cell antioxidant defense systems and cause irreversible growth arrest and massive cell death by apoptosis. Sub-toxicity is defined as toxicity stretched in time. The activity of GPx (glutathione peroxidase) is proposed as a biomarker of oxidative stress caused by Cr(VI), and the GR (glutathione reductase) inhibition is considered as a marker of the toxicity developed under the complex Cr(VI) action. In HLF cells the glutathione dependent defense system is the first system destroyed in response to toxic chromium action. Only the balance between SOD (superoxide dismutase) and H(2)O(2) degrading enzymes (catalase and GPx), should play an important role in the fate of a cell, not individual enzymes.
C1 [Asatiani, Nino; Abuladze, Marina; Kartvelishvili, Tamar; Asanishvili, Lali; Sapojnikova, Nelly] Andronikashvili Inst Phys, GE-0177 Tbilisi, Rep of Georgia.
[Kulikova, Nina] I Javakhishvili Tbilisi State Univ, GE-0143 Tbilisi, Rep of Georgia.
[Holman, Hoi-Ying] EO Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Sapojnikova, N (reprint author), Andronikashvili Inst Phys, 6 Tamarashvili St, GE-0177 Tbilisi, Rep of Georgia.
EM n.sapojnikova@aiphysics.ge
RI Holman, Hoi-Ying/N-8451-2014
OI Holman, Hoi-Ying/0000-0002-7534-2625
FU ISTC [G-349]
FX The authors would like to thank Professor Len W. Poulter (Department of
Immunology, UCL, London) for his kind gift of HLF cell line and Lia
Lezhava for technical assistance. We are grateful to the ISTC for
Project G-349 Grant research funding.
NR 51
TC 6
Z9 8
U1 1
U2 3
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0966-0844
J9 BIOMETALS
JI Biometals
PD FEB
PY 2010
VL 23
IS 1
BP 161
EP 172
DI 10.1007/s10534-009-9276-6
PG 12
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 536ZX
UT WOS:000273083600015
PM 19915997
ER
PT J
AU Jorquera, O
Kiperstok, A
Sales, EA
Embirucu, M
Ghirardi, ML
AF Jorquera, Orlando
Kiperstok, Asher
Sales, Emerson A.
Embirucu, Marcelo
Ghirardi, Maria L.
TI Comparative energy life-cycle analyses of microalgal biomass production
in open ponds and photobioreactors
SO BIORESOURCE TECHNOLOGY
LA English
DT Article
DE Photobioreactors; Oil production; Microalgae; Life-cycle analysis;
Energy
ID MASS CULTIVATION; RACEWAY PONDS; CULTURE; SYSTEM; OPTIMIZATION;
EFFICIENCY; BIODIESEL; SPIRULINA; OUTDOORS
AB An analysis of the energy life-cycle for production of biomass using the oil-rich microalgae Nannochloropsis sp. was performed, which included both raceway ponds, tubular and flat-plate photobioreactors for algal cultivation. The net energy ratio (NER) for each process was calculated. The results showed that the use of horizontal tubular photobioreactors (PBRs) is not economically feasible ([NER] < 1) and that the estimated NERs for flat-plate PBRs and raceway ponds is >1. The NER for ponds and flat-plate PBRs could be raised to significantly higher values if the lipid content of the biomass were increased to 60% dw/cwd. Although neither system is currently competitive with petroleum, the threshold oil cost at which this would occur was also estimated. (C) 2009 Elsevier Ltd. All rights reserved.
C1 [Ghirardi, Maria L.] NREL, Golden, CO 80401 USA.
[Jorquera, Orlando; Kiperstok, Asher] Univ Fed Bahia, Dept Environm Engn, Bahia Ctr Clean Technol TECLIM, Polytech Inst, BR-40210630 Salvador, BA, Brazil.
[Sales, Emerson A.] Univ Fed Bahia, Inst Chem, Dept Phys Chem, BR-40210630 Salvador, BA, Brazil.
RP Ghirardi, ML (reprint author), NREL, 1617 Cole Blvd, Golden, CO 80401 USA.
EM maria.ghirardi@nrel.gov
RI SALES, EMERSON/F-2005-2015;
OI SALES, EMERSON/0000-0002-9607-7285; Jorquera,
Orlando/0000-0003-4086-5474
NR 31
TC 247
Z9 250
U1 18
U2 135
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0960-8524
J9 BIORESOURCE TECHNOL
JI Bioresour. Technol.
PD FEB
PY 2010
VL 101
IS 4
BP 1406
EP 1413
DI 10.1016/j.biortech.2009.09.038
PG 8
WC Agricultural Engineering; Biotechnology & Applied Microbiology; Energy &
Fuels
SC Agriculture; Biotechnology & Applied Microbiology; Energy & Fuels
GA 523KJ
UT WOS:000272071800045
PM 19800784
ER
PT J
AU Peralta-Yahya, PP
Keasling, JD
AF Peralta-Yahya, Pamela P.
Keasling, Jay D.
TI Advanced biofuel production in microbes
SO BIOTECHNOLOGY JOURNAL
LA English
DT Review
DE Alcohols; Biofuels; Fatty acids; Isoprenoids; Metabolic engineering
ID ENGINEERED ESCHERICHIA-COLI; HIGH-LEVEL PRODUCTION; DESIGNED DIVERGENT
EVOLUTION; VIBRIO-FURNISSII M1; FREE FATTY-ACIDS;
SACCHAROMYCES-CEREVISIAE; ISOPROPANOL PRODUCTION; ISOPRENOID PRODUCTION;
MEVALONATE PATHWAY; CELLULAR PHENOTYPE
AB The cost-effective production of biofuels from renewable materials will begin to address energy security and climate change concerns. Ethanol, naturally produced by microorganisms, is currently the major biofuel in the transportation sector. However, its low energy content and incompatibility with existing fuel distribution and storage infrastructure limits its economic use in the future. Advanced biofuels, such as long chain alcohols and isoprenoid- and fatty acid-based biofuels, have physical properties that more closely resemble petroleum-derived fuels, and as such are an attractive alternative for the future supplementation or replacement of petroleum-derived fuels. Here, we review recent developments in the engineering of metabolic pathways for the production of known and potential advanced biofuels by microorganisms. We concentrate on the metabolic engineering of genetically tractable organisms such as Escherichia coli and Saccharomyces cerevisiae for the production of these advanced biofuels.
C1 [Peralta-Yahya, Pamela P.; Keasling, Jay D.] Joint BioEnergy Inst, Emeryville, CA 94608 USA.
[Peralta-Yahya, Pamela P.; Keasling, Jay D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Keasling, Jay D.] Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA.
[Keasling, Jay D.] Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA.
RP Keasling, JD (reprint author), Joint BioEnergy Inst, Emeryville, CA 94608 USA.
EM keasling@berkeley.edu
RI Keasling, Jay/J-9162-2012
OI Keasling, Jay/0000-0003-4170-6088
NR 69
TC 153
Z9 163
U1 6
U2 105
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PO BOX 10 11 61, D-69451 WEINHEIM, GERMANY
SN 1860-6768
J9 BIOTECHNOL J
JI Biotechnol. J.
PD FEB
PY 2010
VL 5
IS 2
BP 147
EP 162
DI 10.1002/biot.200900220
PG 16
WC Biochemical Research Methods; Biotechnology & Applied Microbiology
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology
GA 565FT
UT WOS:000275275500005
PM 20084640
ER
PT J
AU Gittard, SD
Pierson, BE
Ha, CM
Wu, CAM
Narayan, RJ
Robinson, DB
AF Gittard, Shaun D.
Pierson, Bonnie E.
Ha, Cindy M.
Wu, Chung-An Max
Narayan, Roger J.
Robinson, David B.
TI Supercapacitive transport of pharmacologic agents using nanoporous gold
electrodes
SO BIOTECHNOLOGY JOURNAL
LA English
DT Article
DE Drug delivery; Dealloying; Nanotechnology; Supercapacitor
ID TRANSDERMAL DRUG-DELIVERY; LOW-FREQUENCY SONOPHORESIS;
CONTROLLED-RELEASE; MICRONEEDLE ARRAY; POROUS-ELECTRODES; CARBON
AEROGEL; INJECTIONS; FILMS; 3-METHOXYTHIOPHENE; POLYMERIZATION
AB In this study, nanoporous gold supercapacitors were produced by electrochemical dealloying of gold-silver alloy. Scanning electron microscopy and energy dispersive X-ray spectroscopy confirmed completion of the dealloying process and generation of a porous gold material with similar to 10 nm diameter pores. Cyclic voltammetry and chronoamperometry of the nanoporous gold electrodes indicated that these materials exhibited supercapacitor behavior. The storage capacity of the electrodes measured by chronoamperometry was similar to 3 mC at 200 mV. Electrochemical storage and voltage-controlled delivery of two model pharmacologic agents, benzylammonium and salicylic acid, was demonstrated. These results suggest that capacitance-based storage and delivery of pharmacologic agents may serve as an alternative to conventional drug delivery methods.
C1 [Ha, Cindy M.; Wu, Chung-An Max; Robinson, David B.] Sandia Natl Labs, Livermore, CA 94551 USA.
[Gittard, Shaun D.; Pierson, Bonnie E.; Narayan, Roger J.] Univ N Carolina Chapel Hill, Joint Dept Biomed Engn, Raleigh, NC USA.
[Gittard, Shaun D.; Pierson, Bonnie E.; Narayan, Roger J.] N Carolina State Univ, Raleigh, NC 27695 USA.
RP Robinson, DB (reprint author), Sandia Natl Labs, POB 969,Mail Stop 9291, Livermore, CA 94551 USA.
EM drobins@sandia.gov
RI Narayan, Roger/J-2789-2013
OI Narayan, Roger/0000-0002-4876-9869
NR 60
TC 15
Z9 15
U1 4
U2 26
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PO BOX 10 11 61, D-69451 WEINHEIM, GERMANY
SN 1860-6768
J9 BIOTECHNOL J
JI Biotechnol. J.
PD FEB
PY 2010
VL 5
IS 2
BP 192
EP 200
DI 10.1002/biot.200900250
PG 9
WC Biochemical Research Methods; Biotechnology & Applied Microbiology
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology
GA 565FT
UT WOS:000275275500010
PM 20108274
ER
PT J
AU Rabinovici, GD
Furst, AJ
Alkalay, A
Racine, CA
O'Neil, JP
Janabi, M
Baker, SL
Agarwal, N
Bonasera, SJ
Mormino, EC
Weiner, MW
Gorno-Tempini, ML
Rosen, HJ
Miller, BL
Jagust, WJ
AF Rabinovici, Gil D.
Furst, Ansgar J.
Alkalay, Adi
Racine, Caroline A.
O'Neil, James P.
Janabi, Mustafa
Baker, Suzanne L.
Agarwal, Neha
Bonasera, Stephen J.
Mormino, Elizabeth C.
Weiner, Michael W.
Gorno-Tempini, Maria L.
Rosen, Howard J.
Miller, Bruce L.
Jagust, William J.
TI Increased metabolic vulnerability in early-onset Alzheimer's disease is
not related to amyloid burden
SO BRAIN
LA English
DT Article
DE Alzheimer's disease; age of onset; amyloid-beta; [(18)F]-labelled
fluorodeoxyglucose; [(11)C]-labelled Pittsburgh compound-B
ID PITTSBURGH COMPOUND-B; CEREBRAL GLUCOSE-METABOLISM; FRONTOTEMPORAL LOBAR
DEGENERATION; APOLIPOPROTEIN-E GENOTYPE; VOXEL-BASED ANALYSIS;
FUNCTIONAL CONNECTIVITY; DEMENTIA SEVERITY; EPSILON-4 ALLELE; SENILE
DEMENTIA; BRAIN ATROPHY
AB Patients with early age-of-onset Alzheimer's disease show more rapid progression, more generalized cognitive deficits and greater cortical atrophy and hypometabolism compared to late-onset patients at a similar disease stage. The biological mechanisms that underlie these differences are not well understood. The purpose of this study was to examine in vivo whether metabolic differences between early-onset and late-onset Alzheimer's disease are associated with differences in the distribution and burden of fibrillar amyloid-beta. Patients meeting criteria for probable Alzheimer's disease (National Institute of Neurological and Communicative Disorders and Stroke and the Alzheimer's; Disease and Related Disorders Association criteria) were divided based on estimated age at first symptom (less than or greater than 65 years) into early-onset (n = 21, mean age-at-onset 55.2 +/- 5.9 years) and late-onset (n = 18, 72.0 +/- 4.7 years) groups matched for disease duration and severity. Patients underwent positron emission tomography with the amyloid-beta-ligand [(11)C]-labelled Pittsburgh compound-B and the glucose analogue [(18)F]-labelled fluorodeoxyglucose. A group of cognitively normal controls (n = 30, mean age 73.7 +/- 6.4) was studied for comparison. [(11)C]-labelled Pittsburgh compound-B images were analysed using Logan graphical analysis (cerebellar reference) and [(18)F]-labelled fluorodeoxyglucose images were normalized to mean activity in the pons. Group differences in tracer uptake were assessed on a voxel-wise basis using statistical parametric mapping, and by comparing mean values in regions of interest. To account for brain atrophy, analyses were repeated after applying partial volume correction to positron emission tomography data. Compared to normal controls, both early-onset and late-onset Alzheimer's disease patient groups showed increased [(11)C]-labelled Pittsburgh compound-B uptake throughout frontal, parietal and lateral temporal cortices and striatum on voxel-wise and region of interest comparisons (P < 0.05). However, there were no significant differences in regional or global [(11)C]-labelled Pittsburgh compound-B binding between early-onset and late-onset patients. In contrast, early-onset patients showed significantly lower glucose metabolism than late-onset patients in precuneus/posterior cingulate, lateral temporo-parietal and occipital corticies (voxel-wise and region of interest comparisons, P < 0.05). Similar results were found for [(11)C]-labelled Pittsburgh compound-B and [(18)F]-labelled fluorodeoxyglucose using atrophy-corrected data. Age-at-onset correlated positively with glucose metabolism in precuneus, lateral parietal and occipital regions of interest (controlling for age, education and Mini Mental State Exam, P < 0.05), while no correlations were found between age-at-onset and [(11)C]-labelled Pittsburgh compound-B binding. In summary, a comparable burden of fibrillar amyloid-beta was associated with greater posterior cortical hypometabolism in early-onset Alzheimer's disease. Our data are consistent with a model in which both early amyloid-beta accumulation and increased vulnerability to amyloid-beta pathology play critical roles in the pathogenesis of Alzheimer's disease in young patients.
C1 [Rabinovici, Gil D.; Alkalay, Adi; Racine, Caroline A.; Bonasera, Stephen J.; Gorno-Tempini, Maria L.; Rosen, Howard J.; Miller, Bruce L.; Jagust, William J.] Univ Calif San Francisco, Memory & Aging Ctr, San Francisco, CA 94143 USA.
[Rabinovici, Gil D.; Alkalay, Adi; Racine, Caroline A.; Gorno-Tempini, Maria L.; Rosen, Howard J.; Miller, Bruce L.; Jagust, William J.] Univ Calif San Francisco, Dept Neurol, San Francisco, CA 94143 USA.
[Rabinovici, Gil D.; Furst, Ansgar J.; Alkalay, Adi; Baker, Suzanne L.; Agarwal, Neha; Mormino, Elizabeth C.; Jagust, William J.] Univ Calif Berkeley, Helen Wills Neurosci Inst, Berkeley, CA 94720 USA.
[Rabinovici, Gil D.; Furst, Ansgar J.; O'Neil, James P.; Janabi, Mustafa; Baker, Suzanne L.; Mormino, Elizabeth C.; Jagust, William J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Rabinovici, Gil D.; Furst, Ansgar J.; O'Neil, James P.; Janabi, Mustafa; Baker, Suzanne L.; Mormino, Elizabeth C.; Jagust, William J.] Univ Calif San Francisco, Dept Radiol, San Francisco, CA 94720 USA.
[Weiner, Michael W.] Dept Vet Affairs Med Ctr, Ctr Imaging Neurodegenerat Dis, San Francisco, CA 94121 USA.
[Weiner, Michael W.] Univ Calif San Francisco, Dept Radiol, San Francisco, CA 94143 USA.
RP Rabinovici, GD (reprint author), Univ Calif San Francisco, Memory & Aging Ctr, 350 Parnassus Ave,Suite 905, San Francisco, CA 94143 USA.
EM grabinovici@memory.ucsf.edu
RI Gorno-Tempini, Maria Luisa/E-7203-2012;
OI Bonasera, Stephen/0000-0001-6808-2821
FU National Institute on Aging [K23-AG031861, R01-AG027859, P01-AG1972403,
P50-AG023501]; Alzheimer's Association [NIRG-07-59422, ZEN-08-87090];
John Douglas French Alzheimer's Foundation; State of California
Department of Health Services Alzheimer's Disease Research Center of
California [04-33516]
FX National Institute on Aging [grant numbers K23-AG031861 to G.D.R,
R01-AG027859 to W.J.J, P01-AG1972403 and P50-AG023501 to B.L.M.];
Alzheimer's Association [grant numbers NIRG-07-59422 to G.D.R. and
ZEN-08-87090 to W.J.J]; John Douglas French Alzheimer's Foundation [to
G.D.R.] and State of California Department of Health Services
Alzheimer's Disease Research Center of California [grant number 04-33516
to B.L.M].
NR 102
TC 117
Z9 117
U1 4
U2 18
PU OXFORD UNIV PRESS
PI OXFORD
PA GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
SN 0006-8950
J9 BRAIN
JI Brain
PD FEB
PY 2010
VL 133
BP 512
EP 528
DI 10.1093/brain/awp326
PN 2
PG 17
WC Clinical Neurology; Neurosciences
SC Neurosciences & Neurology
GA 558VY
UT WOS:000274777700016
PM 20080878
ER
PT J
AU Ford, SR
Walter, WR
AF Ford, Sean R.
Walter, William R.
TI Aftershock Characteristics as a Means of Discriminating Explosions from
Earthquakes
SO BULLETIN OF THE SEISMOLOGICAL SOCIETY OF AMERICA
LA English
DT Article
ID BENHAM NUCLEAR EXPLOSION; WESTERN UNITED-STATES; SOUTHERN NEVADA; OMORI
FORMULA; MAGNITUDE; PARAMETERS; CALIFORNIA; HAZARD; COMPLETENESS;
SEISMICITY
AB The behavior of aftershock sequences around the Nevada Test Site (NTS) in the southern Great Basin is characterized as a potential discriminant between explosions and earthquakes. The aftershock model designed by Reasenberg and Jones (1989, 1994) allows for a probabilistic statement of earthquakelike aftershock behavior at any time after the mainshock. We use this model to define two types of aftershock discriminants. The first defines M(X), or the minimum magnitude of an aftershock expected within a given duration after the mainshock with probability X. Of the 67 earthquakes with M > 4 in the study region, 63 of them produce an aftershock greater than M(99) within the first 7 days after a mainshock. This is contrasted with only six of 93 explosions with M > 4 that produce an aftershock greater than M(99) for the same period. If the aftershock magnitude threshold is lowered and the M(90) criteria is used, then no explosions produce an aftershock greater than M(90) for durations that end more than 17 days after the mainshock. The other discriminant defines N(X), or the minimum cumulative number of aftershocks expected for a given time after the mainshock with probability X. Similar to the aftershock magnitude discriminant, five earthquakes do not produce more aftershocks than N(99) within 7 days after the mainshock. However, within the same period, all but one of the explosions produce fewer aftershocks than N(99). One explosion is added if the duration is shortened to 2 days after the mainshock. The cumulative number aftershock discriminant is more reliable, especially at short durations, but requires a low magnitude of completeness for the given earthquake catalog. These results at NTS are quite promising and should be evaluated at other nuclear test sites to understand the effects of differences in the geologic setting and nuclear testing practices on its performance.
C1 [Ford, Sean R.; Walter, William R.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Ford, SR (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM sean@llnl.gov
RI Walter, William/C-2351-2013; Ford, Sean/F-9191-2011
OI Walter, William/0000-0002-0331-0616; Ford, Sean/0000-0002-0376-5792
FU U.S. Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]
FX We are very indebted to the authors of ZMAP (Wiemer, 2001). We are
grateful for an internal review by Jerry Sweeney and a very helpful
formal review by Max Werner and an anonymous reviewer. We thank Terri
Hauk, who loaded the catalog, and Stan Rupert for overseeing the
Lawrence Livermore National Laboratory (LLNL) seismic computational
infrastructure. This work was performed under the auspices of the
Lawrence Scholar Program and the U.S. Department of Energy by Lawrence
Livermore National Laboratory under Contract DE-AC52-07NA27344. This is
LLNL contribution LLNL-JRNL-413235.
NR 44
TC 4
Z9 4
U1 1
U2 3
PU SEISMOLOGICAL SOC AMER
PI EL CERRITO
PA PLAZA PROFESSIONAL BLDG, SUITE 201, EL CERRITO, CA 94530 USA
SN 0037-1106
J9 B SEISMOL SOC AM
JI Bull. Seismol. Soc. Amer.
PD FEB 1
PY 2010
VL 100
IS 1
BP 364
EP 376
DI 10.1785/0120080349
PG 13
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 550SM
UT WOS:000274149900023
ER
PT J
AU Patton, HJ
Gupta, IN
AF Patton, Howard J.
Gupta, Indra N.
TI Comment on "An Upper Bound on Rg to Lg Scattering Using Modal Energy
Conservation" by Jeffry L. Stevens, Heming Xu, and G. Eli Baker
SO BULLETIN OF THE SEISMOLOGICAL SOCIETY OF AMERICA
LA English
DT Editorial Material
ID TEST-SITE; EXPLOSIONS; WAVES; GENERATION; NEVADA; MODELS
C1 [Patton, Howard J.] Los Alamos Natl Lab, Los Alamos, NM 87544 USA.
RP Patton, HJ (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87544 USA.
EM patton@lanl.gov
NR 18
TC 1
Z9 1
U1 1
U2 1
PU SEISMOLOGICAL SOC AMER
PI EL CERRITO
PA PLAZA PROFESSIONAL BLDG, SUITE 201, EL CERRITO, CA 94530 USA
SN 0037-1106
J9 B SEISMOL SOC AM
JI Bull. Seismol. Soc. Amer.
PD FEB 1
PY 2010
VL 100
IS 1
BP 408
EP 415
DI 10.1785/0120090109
PG 8
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 550SM
UT WOS:000274149900029
ER
PT J
AU Mansilla, E
Marin, GH
Nunez, L
Drago, H
Sturla, F
Mertz, C
Rivera, L
Ichim, T
Riordan, N
Raimondi, C
AF Mansilla, Eduardo
Marin, Gustavo H.
Nunez, Luis
Drago, Hugo
Sturla, Flavio
Mertz, Carol
Rivera, Luis
Ichim, Thomas
Riordan, Neil
Raimondi, Clemente
TI The Lysosomotropic Agent, Hydroxychloroquine, Delivered in a
Biodegradable Nanoparticle System, Overcomes Drug Resistance of
B-Chronic Lymphocytic Leukemia Cells In Vitro
SO CANCER BIOTHERAPY AND RADIOPHARMACEUTICALS
LA English
DT Article
DE nanoparticles; cancer; monoclonal antibodies
ID MEMBRANE PERMEABILIZATION; RHEUMATOID-ARTHRITIS; APOPTOSIS;
CHLORAMBUCIL; THERAPY; CANCER; DIFFERENTIATION; FLUDARABINE; ACTIVATION;
CASPASE-3
AB Nonviral delivery systems are relatively easy to produce in the large scale, are safe, and elicit a negligible immune response. Nanoparticles (NPs) offer promise as nonviral vectors as biocompatible and -degradable carriers of drugs with targeting to specific sites by surface receptors of monoclonal antibodies (mAbs). We investigated the effect of four PEG-PLGA (polyethylene glycol-polylactic-co-glycolic acid) NP systems on drug-resistant B-chronic lymphocytic leukemia (B-CLL) cells in vitro, three of them encapsulating the drug, hydroxylchloroquine (HDQ), two with NP surface coatings of mAbs (NP1) CD20, (NP2) CD19, and CD20, and one (NP3) with no mAb, but tagged with the fluorescent marker, fluorescein isothiocyanate. The fourth NP system(NP4) was coated with anti-CD19/FITC and anti-CD20/Alexa-Fluor (R) antibodies, but did not contain the active drug, HCQ. Our data indicate that PEG-PLGA nanoparticles with surface mAbs are suitable for selective drug delivery to B-CLL cells and produce a strong apoptotic effect when loaded with the lysosomotropic agent, HDQ.
C1 [Mansilla, Eduardo; Marin, Gustavo H.; Raimondi, Clemente] Minist Hlth, CUCAIBA, Ensenada, Baja California, Mexico.
[Nunez, Luis] Univ Chicago, Hosp Sect Pulm & Crit Care, Chicago, IL 60637 USA.
[Drago, Hugo; Sturla, Flavio] Hosp Quemados, Buenos Aires, DF, Argentina.
[Mertz, Carol] Argonne Natl Lab, Chem Sci & Engn Div, Chicago, IL USA.
[Rivera, Luis] Univ Puerto Rico, Dept Chem, Mayaguez, PR USA.
[Ichim, Thomas; Riordan, Neil] Medistem, San Diego, CA USA.
RP Marin, GH (reprint author), Minist Hlth, CUCAIBA, ZP 1923, Ensenada, Baja California, Mexico.
EM gmarin@netverk.com.ar
RI Rinaldi2, Carlos/D-4479-2011
NR 28
TC 9
Z9 9
U1 0
U2 11
PU MARY ANN LIEBERT INC
PI NEW ROCHELLE
PA 140 HUGUENOT STREET, 3RD FL, NEW ROCHELLE, NY 10801 USA
SN 1084-9785
J9 CANCER BIOTHER RADIO
JI Cancer Biother. Radiopharm.
PD FEB
PY 2010
VL 25
IS 1
BP 97
EP 103
DI 10.1089/cbr.2009.0655
PG 7
WC Oncology; Medicine, Research & Experimental; Pharmacology & Pharmacy;
Radiology, Nuclear Medicine & Medical Imaging
SC Oncology; Research & Experimental Medicine; Pharmacology & Pharmacy;
Radiology, Nuclear Medicine & Medical Imaging
GA 562KL
UT WOS:000275048900012
PM 20187802
ER
PT J
AU Wang, XQ
Zhu, Q
Mahurin, SM
Liang, CD
Dai, S
AF Wang, Xiqing
Zhu, Qinq
Mahurin, Shannon M.
Liang, Chengdu
Dai, Sheng
TI Preparation of free-standing high quality mesoporous carbon membranes
SO CARBON
LA English
DT Article
ID SEPARATION
AB Flat-sheet mesoporous carbon membranes with uniform pore size (e.g., 6.4 nm) and controllable thickness were prepared by pyrolysis of polymeric composite films, which were formed by self-assembly of phenolic resin and block copolymer under acidic conditions. Hexamethylenetetramine was selected as a solid cross-linker to control the rheology of polymeric carbon precursors so that the flat-sheet polymeric films could undergo carbonization without deformation, ensuring the preparation of mesoporous carbon membranes on a large scale with high quality. Gas transport properties through these mesoporous carbon membranes are also reported. (c) 2009 Elsevier Ltd. All rights reserved.
C1 [Wang, Xiqing; Zhu, Qinq; Mahurin, Shannon M.; Liang, Chengdu; Dai, Sheng] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
RP Dai, S (reprint author), Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
EM dais@ornl.gov
RI Wang, Xiqing/E-3062-2010; Liang, Chengdu/G-5685-2013; Dai,
Sheng/K-8411-2015
OI Wang, Xiqing/0000-0002-1843-008X; Dai, Sheng/0000-0002-8046-3931
FU US Department of Energy [DE-AC05-00OR22725]
FX This work was sponsored by the Division of Chemical Sciences, Office of
Basic Energy Sciences, US Department of Energy under contract
DE-AC05-00OR22725 with Oak Ridge National Laboratory, managed and
operated by UT-Battelle, LLC. Haoguo Zhu and Jim Kiggans were
acknowledged for scientific discussion and technical help, respectively.
NR 16
TC 34
Z9 36
U1 6
U2 55
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0008-6223
J9 CARBON
JI Carbon
PD FEB
PY 2010
VL 48
IS 2
BP 557
EP 560
DI 10.1016/j.carbon.2009.09.059
PG 4
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 532QK
UT WOS:000272764300032
ER
PT J
AU Yung, MM
Magrini-Bair, KA
Parent, YO
Carpenter, DL
Feik, CJ
Gaston, KR
Pomeroy, MD
Phillips, SD
AF Yung, Matthew M.
Magrini-Bair, Kimberly A.
Parent, Yves O.
Carpenter, Daniel L.
Feik, Calvin J.
Gaston, Katherine R.
Pomeroy, Marc D.
Phillips, Steven D.
TI Demonstration and Characterization of Ni/Mg/K/AD90 Used for Pilot-Scale
Conditioning of Biomass-Derived Syngas
SO CATALYSIS LETTERS
LA English
DT Article
DE Biomass gasification; Tar reforming; Catalytic syngas conditioning;
Nickel reforming catalyst; Nickel aluminate (NiAl(2)O(4))
ID STEAM REFORMING CATALYSTS; NI-OLIVINE CATALYSTS; FLUIDIZED-BED; TAR
REMOVAL; HOT GAS; GASIFICATION; AIR; DOLOMITE; HYDROGEN; ELIMINATION
AB A fluidizable, Ni/Mg/K/AD90( 90% alpha-Al(2)O(3)) catalyst was evaluated in a pilot-scale study with oak-derived syngas for tar and methane reforming at 900 degrees C. The catalyst was operated in a semi-batch mode for ten individual reaction cycles, each separated by a regeneration protocol consisting of steaming followed by H(2) reduction. During the experiment, subsequent reaction cycles showed a decrease in activity as indicated by decreased initial methane conversion. During each reaction cycle, H(2)S poisoning was the dominant deactivation mechanism, while coking was deemed to be minor in comparison. Catalyst characterization by XRD and TPR suggest that the loss of activity for subsequent reaction cycles coincides with the formation of a NiAl(2)O(4) species that is not fully reduced under process conditions, which in turn results in a decreased number of potential metallic nickel (Ni(0)) sites available for hydrocarbon steam reforming. An increase in nickel crystallite size with time-on-stream was also observed using XRD, indicating that sintering may also play a role in loss of catalyst activity, although this is not considered the primary deactivation mechanism because activity loss was observed even when nickel crystallite sizes remained nearly constant.
C1 [Yung, Matthew M.; Magrini-Bair, Kimberly A.; Carpenter, Daniel L.; Feik, Calvin J.; Gaston, Katherine R.; Pomeroy, Marc D.; Phillips, Steven D.] Natl Bioenergy Ctr, Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Parent, Yves O.] Chem Engn Consulting Serv LLC, Golden, CO 80403 USA.
RP Yung, MM (reprint author), Natl Bioenergy Ctr, Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80401 USA.
EM matthew.yung@nrel.gov
OI Gaston, Katherine/0000-0002-1162-0905
FU U. S. Department of Energy's Biomass Program [DE-AC36-99GO-10337]
FX We would like to gratefully acknowledge the U. S. Department of Energy's
Biomass Program contract DE-AC36-99GO-10337 for funding this work.
NR 31
TC 21
Z9 21
U1 0
U2 25
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1011-372X
J9 CATAL LETT
JI Catal. Lett.
PD FEB
PY 2010
VL 134
IS 3-4
BP 242
EP 249
DI 10.1007/s10562-009-0246-y
PG 8
WC Chemistry, Physical
SC Chemistry
GA 556TN
UT WOS:000274615400008
ER
PT J
AU Oh, JE
Monteiro, PJM
Jun, SS
Choi, S
Clark, SM
AF Oh, Jae Eun
Monteiro, Paulo J. M.
Jun, Ssang Sun
Choi, Sejin
Clark, Simon M.
TI The evolution of strength and crystalline phases for alkali-activated
ground blast furnace slag and fly ash-based geopolymers
SO CEMENT AND CONCRETE RESEARCH
LA English
DT Article
DE Alkali-activated cement (D); Geopolymer (D); X-ray diffraction (B); Fly
ash (D); Granulated blast furnace slag (D)
ID ZEOLITE; PRODUCTS; MINERALS; TEMPERATURE; CANCRINITE; MECHANISM; CEMENT
AB The increase in strength and evolution of crystalline phases in inorganic polymer cement, made by the alkali activation of slag, Class C and Class F fly ashes, was followed using compressive strength test and synchrotron X-ray diffraction. In order to increase the crystallinity of the product the reactions were carried out at 80 degrees C. We found that hydrotalcite formed in both the alkali-activated slag cements and the fly ash-based geopolymers. Hydroxycancrinite, one member of the ABC-6 family of zeolites, was found only in the fly ash geopolymers. Assuming that the predominantly amorphous geopolymer formed under ambient conditions relates to the crystalline phases found when the mixture is cured at high temperature, we propose that the structure of this zeolitic precursor formed in Na-based high alkaline environment can be regarded as a disordered form of the basic building unit of the ABC-6 group of zeolites which includes poly-types such as hydroxycancrinite, hydroxysodalite and chabazite-Na. (C) 2009 Elsevier Ltd. All rights reserved.
C1 [Oh, Jae Eun; Monteiro, Paulo J. M.; Choi, Sejin] Univ Calif Berkeley, Dept Civil & Environm Engn, Berkeley, CA 94720 USA.
[Jun, Ssang Sun] Korea Maritime Univ, Global Leading Offshore Plant Educ Ctr, Pusan 606791, South Korea.
[Clark, Simon M.] Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA USA.
[Clark, Simon M.] Univ Calif Berkeley, Dept Earth & Planetary Sci, Berkeley, CA 94720 USA.
RP Monteiro, PJM (reprint author), Univ Calif Berkeley, Dept Civil & Environm Engn, Berkeley, CA 94720 USA.
EM monteiro@berkeley.edu
RI Chen, Wei/A-5694-2010; Oh, Jae-Eun/F-8632-2011; Clark,
Simon/B-2041-2013;
OI Clark, Simon/0000-0002-7488-3438; Oh, Jae Eun/0000-0002-2318-3001
NR 32
TC 96
Z9 101
U1 8
U2 51
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0008-8846
J9 CEMENT CONCRETE RES
JI Cem. Concr. Res.
PD FEB
PY 2010
VL 40
IS 2
BP 189
EP 196
DI 10.1016/j.cemconres.2009.10.010
PG 8
WC Construction & Building Technology; Materials Science, Multidisciplinary
SC Construction & Building Technology; Materials Science
GA 551PN
UT WOS:000274221600002
ER
PT J
AU Colby, DA
Bergman, RG
Ellman, JA
AF Colby, Denise A.
Bergman, Robert G.
Ellman, Jonathan A.
TI Rhodium-Catalyzed C-C Bond Formation via Heteroatom-Directed C-H Bond
Activation
SO CHEMICAL REVIEWS
LA English
DT Review
ID CHELATION-ASSISTED HYDROACYLATION; N-HETEROCYCLIC CARBENES;
TRANSITION-METAL-COMPLEXES; CARBON-HYDROGEN BOND; DIRECT ORTHO
ARYLATION; ONE-POT SYNTHESIS; INTERMOLECULAR HYDROACYLATION; COUPLING
REACTION; ORTHO-ALKYLATION; ORGANIC-SYNTHESIS
C1 [Bergman, Robert G.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
RP Bergman, RG (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
EM bergman@cchem.berkeley.edu; jellman@uclink.berkeley.edu
RI Ellman, Jonathan/C-7732-2013
FU National Institutes of Health [GM069559]; National Science Foundation;
Director and Office of Energy Research Office of Basic Energy Sciences,
Chemical Sciences Division, U.S. Department of Energy
[DE-AC02-05CH11231]
FX We gratefully acknowledge the following agencies for funding: National
Institutes of Health (Grant GM069559 to J.A.E.), the National Science
Foundation (predoctoral fellowship to D.A.C.), and the Director and
Office of Energy Research Office of Basic Energy Sciences, Chemical
Sciences Division, U.S. Department of Energy (Contract DE-AC02-05CH11231
to R.G.B.).
NR 223
TC 1923
Z9 1927
U1 66
U2 531
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0009-2665
J9 CHEM REV
JI Chem. Rev.
PD FEB
PY 2010
VL 110
IS 2
BP 624
EP 655
DI 10.1021/cr900005n
PG 32
WC Chemistry, Multidisciplinary
SC Chemistry
GA 557YH
UT WOS:000274705900003
PM 19438203
ER
PT J
AU Wehner, MF
Smith, RL
Bala, G
Duffy, P
AF Wehner, Michael F.
Smith, Richard L.
Bala, G.
Duffy, Phillip
TI The effect of horizontal resolution on simulation of very extreme US
precipitation events in a global atmosphere model
SO CLIMATE DYNAMICS
LA English
DT Article
DE Extreme precipitation; Climate models; Return value; High resolution
ID CLIMATE; ENSEMBLE
AB We investigate the ability of a global atmospheric general circulation model (AGCM) to reproduce observed 20 year return values of the annual maximum daily precipitation totals over the continental United States as a function of horizontal resolution. We find that at the high resolutions enabled by contemporary supercomputers, the AGCM can produce values of comparable magnitude to high quality observations. However, at the resolutions typical of the coupled general circulation models used in the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, the precipitation return values are severely underestimated.
C1 [Wehner, Michael F.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Smith, Richard L.] Univ N Carolina, Dept Stat & Operat Res, Chapel Hill, NC 27599 USA.
[Bala, G.] Indian Inst Sci, Ctr Atmospher & Ocean Sci, Divecha Ctr Climate Change, Bangalore 560012, Karnataka, India.
[Duffy, Phillip] Climate Cent Inc, Palo Alto, CA 94301 USA.
RP Wehner, MF (reprint author), Lawrence Berkeley Natl Lab, 1 Cyclotron Rd,MS50F, Berkeley, CA 94720 USA.
EM mfwehner@lbl.gov
NR 24
TC 71
Z9 71
U1 1
U2 10
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0930-7575
J9 CLIM DYNAM
JI Clim. Dyn.
PD FEB
PY 2010
VL 34
IS 2-3
BP 241
EP 247
DI 10.1007/s00382-009-0656-y
PG 7
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 546JZ
UT WOS:000273808400005
ER
PT J
AU von Wilmsdorff, M
Sprick, U
Bouvier, ML
Schulz, D
Schmitt, A
Gaebel, W
AF von Wilmsdorff, Martina
Sprick, Ulrich
Bouvier, Marie-Luise
Schulz, Daniela
Schmitt, Andrea
Gaebel, Wolfgang
TI SEX-DEPENDENT BEHAVIORAL EFFECTS AND MORPHOLOGICAL CHANGES IN THE
HIPPOCAMPUS AFTER PRENATAL INVASIVE INTERVENTIONS IN RATS: IMPLICATIONS
FOR ANIMAL MODELS OF SCHIZOPHRENIA
SO CLINICS
LA English
DT Article
DE Psychiatric disease; Neurodevelopment; CA3 region; Working memory;
Social contact
ID NEONATAL EXCITOTOXIC LESIONS; SOCIAL-ISOLATION; FEMALE RATS; CORTICAL
DEVELOPMENT; VENTRAL HIPPOCAMPUS; GENDER-DIFFERENCES; POSTPUBERTAL RATS;
PYRAMIDAL NEURONS; JUVENILE RATS; ADULT-RATS
AB OBJECTIVES: Although schizophrenia affects both human genders, there are gender-dependent differences with respect to age of onset, clinical characteristics, course and prognosis of the disease.
METHODS: To investigate sex-dependent differences in motor coordination and activity as well as in cognitive and social behavior, we repeatedly tested female (n = 14) and male (n = 12) Fisher rats (postnatal days, PD 56-174) that had received intracerebroventricular injections of kainic acid as well as female (n = 15) and male (n = 16) control animals. The hippocampus was examined histologically.
RESULTS: Compared to male controls, in the alcove test both female controls and female animals with prenatal intervention spent less time in a dark box before entering an unknown illuminated area. Again, animals that received prenatal injection (particularly females) made more perseveration errors in the T mare alternation task compared to controls. Female rats exhibited a higher degree of activity than males, suggesting these effects to be sex-dependent. Finally, animals that received prenatal intervention maintained longer lasting social contacts. Histological analyses showed pyramidal cells in the hippocampal area CA3 (in both hemispheres) of control animals to be longer than those found in treated animals. Sex-dependent differences were found in the left hippocampi of control animals and animals after prenatal intervention.
CONCLUSION: These results demonstrate important differences between males and females in terms of weight gain, response to fear, working memory and social behavior. We also found sex-dependent differences in the lengths of hippocampal neurons. Further studies on larger sample sets with more detailed analyses of morphological changes are required to confirm our data.
C1 [von Wilmsdorff, Martina; Bouvier, Marie-Luise; Gaebel, Wolfgang] Kliniken Heinrich Heine Univ, LVR Klinikum Dusseldorf, Dusseldorf, Germany.
[Sprick, Ulrich] LWL Klin Dortmund, Dortmund, Germany.
[Schulz, Daniela] Brookhaven Natl Lab, Dept Med, Upton, NY 11973 USA.
[Schmitt, Andrea] Univ Gottingen, Dept Psychiat, Gottingen, Germany.
RP von Wilmsdorff, M (reprint author), Kliniken Heinrich Heine Univ, LVR Klinikum Dusseldorf, Dusseldorf, Germany.
EM martina.wilmsdorff@lvr.de
RI Schulz, Daniela/H-5625-2011
NR 57
TC 10
Z9 10
U1 3
U2 4
PU HOSPITAL CLINICAS, UNIV SAO PAULO
PI SAO PAULO
PA FAC MEDICINA, UNIV SAO PAULO, SAO PAULO, SP 00000, BRAZIL
SN 1807-5932
J9 CLINICS
JI Clinics
PD FEB
PY 2010
VL 65
IS 2
BP 209
EP 219
DI 10.1590/S1807-59322010000200014
PG 11
WC Medicine, General & Internal
SC General & Internal Medicine
GA 567CX
UT WOS:000275421000014
PM 20186306
ER
PT J
AU Lee, UD
Yoo, CS
Chen, JH
Frank, JH
AF Lee, Uen Do
Yoo, Chun Sang
Chen, Jacqueline H.
Frank, Jonathan H.
TI Effect of NO on extinction and re-ignition of vortex-perturbed hydrogen
flames
SO COMBUSTION AND FLAME
LA English
DT Article
DE Hydrogen combustion; Counterflow flame; Extinction and re-ignition;
Catalytic effect of nitric oxide; Direct numerical simulation
ID CHARACTERISTIC BOUNDARY-CONDITIONS; NITRIC-OXIDE; EDGE FLAMES; MUTUAL
SENSITIZATION; EXTENDED TEMPERATURE; OXIDATION; COUNTERFLOW; IGNITION;
DIFFUSION; COMBUSTION
AB The catalytic effect of nitric oxide (NO) on the dynamics of extinction and re-ignition of a vortex-perturbed non-premixed hydrogen-air flame is studied in a counterflow burner. A diffusion flame is established with counterflowing streams of nitrogen-diluted hydrogen at ambient temperature and air heated to a range of temperatures that brackets the auto-ignition temperature. Localized extinction is induced by impulsively driving a fuel-side toroidal vortex into the steady flame, and the recovery of the extinguished region is monitored by planar laser-induced fluorescence (PLIF) of the hydroxyl radical (OH). The dynamics of flame recovery depend on the air temperature and fuel concentration, and four different recovery modes are identified. These modes involve combinations of edge-flame propagation and the expansion of an auto-ignition kernel that forms within the extinguished region. The addition of a small amount of NO significantly alters the re-ignition process by shifting the balance between chain-termination and chain-propagation reactions to enhance auto-ignition. The ignition enhancement by this catalytic effect causes a shift in the conditions that govern the recovery modes. In addition, the effects of NO concentration and vortex strength on the flame recovery are examined. Direct numerical simulations of the flame-vortex interaction with and without NO doping show how the small amount of CH produced by NO-catalyzed reactions has a significant impact on the development of an auto-ignition kernel. This joint experimental and numerical study provides detailed insight into the interaction between transient flows and ignition processes. (C) 2009 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
C1 [Lee, Uen Do; Yoo, Chun Sang; Chen, Jacqueline H.; Frank, Jonathan H.] Sandia Natl Labs, Combust Res Facil, Livermore, CA 94611 USA.
RP Frank, JH (reprint author), Sandia Natl Labs, POB 969,MS 9051, Livermore, CA 94551 USA.
EM jhfrank@sandia.gov
RI Yoo, Chun Sang/E-5900-2010
OI Yoo, Chun Sang/0000-0003-1094-4016
FU US Department of Energy [DE-AC04-94-ALS5000]; Korean Government (MOEHRD)
[KRF-2005-214-D00239]
FX We thank Prof F.L. Dryer of Princeton University for providing the
H2/O2/NOx chemical mechanism, Dr. S.A.
Kaiser of Sandia National Laboratories (SNL) for valuable discussions,
and R.J. Sigurdsson of SNL for assistance in the laboratory. This
research was supported by the US Department of Energy, Office of Basic
Energy Sciences, Division of Chemical Sciences, Geosciences, and
Biosciences. Sandia National Laboratories is a multiprogram laboratory
operated by Sandia Corporation, a Lockheed Martin Company, for the US
Department of Energy under contract DE-AC04-94-ALS5000. Uen Do Lee was
supported by the Korea Research Foundation Grant funded by the Korean
Government (MOEHRD) (KRF-2005-214-D00239).
NR 46
TC 4
Z9 4
U1 0
U2 15
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 0010-2180
J9 COMBUST FLAME
JI Combust. Flame
PD FEB
PY 2010
VL 157
IS 2
BP 217
EP 229
DI 10.1016/j.combustflame.2009.10.014
PG 13
WC Thermodynamics; Energy & Fuels; Engineering, Multidisciplinary;
Engineering, Chemical; Engineering, Mechanical
SC Thermodynamics; Energy & Fuels; Engineering
GA 545AB
UT WOS:000273702400003
ER
PT J
AU Qiang, J
AF Qiang, Ji
TI A high-order fast method for computing convolution integral with smooth
kernel
SO COMPUTER PHYSICS COMMUNICATIONS
LA English
DT Article
DE Convolution integral; Green's function; Simpson rule; FFT
AB In this paper we report on a high-order fast method to numerically calculate convolution integral with smooth non-periodic kernel. This method is based on the Newton-Cotes quadrature rule for the integral approximation and an FFT method for discrete summation. The method can have an arbitrarily high-order accuracy in principle depending on the number of points used in the integral approximation and a computational cost of O (N log(N)), where N is the number of grid points. For a three-point Simpson rule approximation, the method has an accuracy of O(h(4)), where h is the size of the computational grid. Applications of the Simpson rule based algorithm to the calculation of a one-dimensional continuous Gauss transform and to the calculation of a two-dimensional electric field from a charged beam are also presented. (C) 2009 Elsevier B.V. All rights reserved.
C1 Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Qiang, J (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM JQiang@lbl.gov
FU U.S. Department of Energy [DE-AC02-05CH11231]
FX We would like to thank Drs. J. Eastwood and J. Strain for helpful
discussions. This research was supported by the Office of Science of the
U.S. Department of Energy under Contract No. DE-AC02-05CH11231. This
research used resources of the National Energy Research Scientific
Computing Center.
NR 10
TC 4
Z9 5
U1 1
U2 4
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0010-4655
J9 COMPUT PHYS COMMUN
JI Comput. Phys. Commun.
PD FEB
PY 2010
VL 181
IS 2
BP 313
EP 316
DI 10.1016/j.cpc.2009.10.005
PG 4
WC Computer Science, Interdisciplinary Applications; Physics, Mathematical
SC Computer Science; Physics
GA 538NV
UT WOS:000273192100008
ER
PT J
AU Torres, DJ
Li, YHH
Kong, SC
AF Torres, David J.
Li, Yuanhong H.
Kong, Song-Charng
TI Partitioning strategies for parallel KIVA-4 engine simulations
SO COMPUTERS & FLUIDS
LA English
DT Article
ID CODE
AB Parallel KIVA-4 is described and simulated in four different engine geometries. The Message Passing-Interface (MPI) library was used to parallelize KIVA-4. Changes in the mesh size during a transient engine simulation present challenges to domain decomposition. In this study, three partitioning strategies were developed in light of the fact that cells can become deactivated and activated during a simulation which will affect the load balance between processors. The first approach partitions the domain vertically. Cells are partitioned in vertical columns to the direction of piston motion using METIS, a software package for partitioning unstructured graphs. The second approach partitions three regions - bowl, squish, and ports - sequentially in the vertical direction using hMETIS with constraints on boundary cells. In the third approach, the mesh is periodically repartitioned during the simulation using a combination of the first two approaches. The overall results show that good parallel performance can be obtained with four processors. The first partitioning strategy performs well compared to the other two more complex approaches for the grids tested in this study. On the other hand, the second approach shows some promise for larger grids with more than four processors. Published by Elsevier Ltd.
C1 [Torres, David J.] Los Alamos Natl Lab, Fluid Dynam Grp T 3, Los Alamos, NM 87545 USA.
[Li, Yuanhong H.; Kong, Song-Charng] Iowa State Univ, Dept Mech Engn, Ames, IA 50011 USA.
RP Torres, DJ (reprint author), Los Alamos Natl Lab, Fluid Dynam Grp T 3, MS B216, Los Alamos, NM 87545 USA.
EM dtorres@lanl.gov
RI Li, Yuanhong/A-1965-2011
FU Office of Vehicle Technologies of the Department of Energy; Ford Motor
Company and Richard Steeper at Sandia National Laboratory
FX We acknowledge the support of the Office of Vehicle Technologies of the
Department of Energy and collaborations with Ford Motor Company and
Richard Steeper at Sandia National Laboratory.
NR 10
TC 4
Z9 4
U1 0
U2 2
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0045-7930
J9 COMPUT FLUIDS
JI Comput. Fluids
PD FEB
PY 2010
VL 39
IS 2
BP 301
EP 309
DI 10.1016/j.compfluid.2009.09.008
PG 9
WC Computer Science, Interdisciplinary Applications; Mechanics
SC Computer Science; Mechanics
GA 527XQ
UT WOS:000272404900011
ER
PT J
AU Brightwell, R
Underwood, KD
Vaughan, C
Stevenson, J
AF Brightwell, Ron
Underwood, Keith D.
Vaughan, Courtenay
Stevenson, Joel
TI Performance evaluation of the Red Storm dual-core upgrade
SO CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE
LA English
DT Article; Proceedings Paper
CT International Supercomputing Conference
CY JUN, 2007
CL Dresden, GERMANY
DE MPP; multi-core; performance evaluation; supercomputing; dual-core
AB In 2007, the Cray Red Storm system at Sandia National Laboratories completed an upgrade of the processor and network hardware. Single-core 2.0 GHz AMD Opteron processors were replaced with dual-core 2.4 GHz AMD Opterons, while the network interface hardware was upgraded from a sustained rate of 1.1 GBps to 2.0 GBps (without changing the router link rates). These changes more than doubled the theoretical peak floating-point performance of the compute nodes and doubled the bandwidth performance of the network. This paper provides an analysis of the impact of this upgrade on the performance of several applications and micro-benchmarks. Performance results show that the additional core provides a performance boost of 20-50% for real applications on a fixed problem size per-socket basis on up to 2048 cores and that scalability is impacted relatively little by the upgrade. Copyright (C) 2009 John Wiley & Sons, Ltd.
C1 [Brightwell, Ron; Vaughan, Courtenay; Stevenson, Joel] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Underwood, Keith D.] Intel Corp, Rio Rancho, NM USA.
RP Brightwell, R (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM rbbrigh@sandia.gov
NR 16
TC 0
Z9 0
U1 0
U2 3
PU JOHN WILEY & SONS LTD
PI CHICHESTER
PA THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND
SN 1532-0626
J9 CONCURR COMP-PRACT E
JI Concurr. Comput.-Pract. Exp.
PD FEB
PY 2010
VL 22
IS 2
BP 175
EP 190
DI 10.1002/cpe.1526
PG 16
WC Computer Science, Software Engineering; Computer Science, Theory &
Methods
SC Computer Science
GA 544WU
UT WOS:000273691500004
ER
PT J
AU Muller, MS
van Waveren, M
Lieberman, R
Whitney, B
Saito, H
Kumaran, K
Baron, J
Brantley, WC
Parrott, C
Elken, T
Feng, HY
Ponder, C
AF Mueller, Matthias S.
van Waveren, Matthiis
Lieberman, Ron
Whitney, Brian
Saito, Hideki
Kumaran, Kalyan
Baron, John
Brantley, William C.
Parrott, Chris
Elken, Tom
Feng, Huiyu
Ponder, Carl
TI SPEC MPI2007-an application benchmark suite for parallel systems using
MPI
SO CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE
LA English
DT Article; Proceedings Paper
CT International Supercomputing Conference
CY JUN, 2007
CL Dresden, GERMANY
DE benchmark; MPI; performance
AB The SPEC High-Performance Group has developed the benchmark suite SPEC MPI2007 and its run rules over the last few years. The purpose of the SPEC MPI2007 benchmark and its run rules is to further the cause of fair and objective benchmarking of high-performance computing systems. The rules help to ensure that the published results are meaningful, comparable to other results, and reproducible. MPI2007 includes 13 technical computing applications from the fields of computational fluid dynamics, molecular dynamics, electromagnetism, geophysics, ray tracing, and hydrodynamics. We describe the benchmark suite, and compare it with other benchmark suites. Copyright (C) 2009 John Wiley & Sons, Ltd.
C1 [Mueller, Matthias S.] Tech Univ Dresden, Ctr Informat Serv & High Performance Comp ZIH, D-01062 Dresden, Germany.
[van Waveren, Matthiis] Fujitsu Syst Europe Ltd, Lyon, France.
[Lieberman, Ron] Hewlett Packard Corp, Palo Alto, CA USA.
[Whitney, Brian] Sun Microsyst Inc, Portland, OR USA.
[Saito, Hideki] Intel, Parsippany, NJ USA.
[Kumaran, Kalyan] Argonne Natl Lab, Argonne, IL 60439 USA.
[Baron, John; Feng, Huiyu] Silicon Graph Int, Fremont, CA USA.
[Brantley, William C.; Parrott, Chris] AMD, Austin, TX USA.
[Elken, Tom; Feng, Huiyu] QLogic Corp, Aliso Viejo, CA USA.
[Ponder, Carl] IBM Corp, Austin, TX 78758 USA.
RP Muller, MS (reprint author), Tech Univ Dresden, Ctr Informat Serv & High Performance Comp ZIH, D-01062 Dresden, Germany.
EM matthias.mueller@tu-dresden.de
NR 30
TC 19
Z9 19
U1 0
U2 6
PU JOHN WILEY & SONS LTD
PI CHICHESTER
PA THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND
SN 1532-0626
J9 CONCURR COMP-PRACT E
JI Concurr. Comput.-Pract. Exp.
PD FEB
PY 2010
VL 22
IS 2
BP 191
EP 205
DI 10.1002/cpe.1535
PG 15
WC Computer Science, Software Engineering; Computer Science, Theory &
Methods
SC Computer Science
GA 544WU
UT WOS:000273691500005
ER
PT J
AU Zahavi, E
Johnson, G
Kerbyson, DJ
Lang, M
AF Zahavi, Eitan
Johnson, Gregory
Kerbyson, Darren J.
Lang, Michael
TI Optimized Infiniband (TM) fat-tree routing for shift all-to-all
communication patterns
SO CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE
LA English
DT Article; Proceedings Paper
CT International Supercomputing Conference
CY JUN, 2007
CL Dresden, GERMANY
DE InfiniBand; fat tree; packet routing
ID NETWORKS
AB Clustered systems have become a dominant architecture of scalable high-performance super computers. In these large-scale computers, the network performance and scalability is as critical as the compute-nodes speed. InfiniBand (TM) has become a commodity networking solution supporting the stringent latency, bandwidth and scalability requirements of these clusters. The network performance is also affected by its topology, packet routing and the communication patterns the distributed application exercises. Fat-trees are the topology structures used for constructing most large clusters as they are scalable, maintain cross-bisectional-bandwidth (CBB), and are practical to build using fixed-arity switches. In this paper, we propose a fat-tree routing algorithm that provides a congestion-free, all-to-all shift pattern leveraging on the InfiniBand (TM) static routing capability. The algorithm supports partially populated fat-trees built with switches of arbitrary number of ports and CBB ratios. To evaluate the proposed algorithm, detailed switch and host simulation models were developed and multiple fabric topologies were run. The results of these simulations as well as measurements on real clusters show an improvement in all-to-all delay by avoiding congestion on the fabric. Copyright (C) 2009 John Wiley & Sons, Ltd.
C1 [Zahavi, Eitan] Mellanox Technol Ltd, IL-20692 Shaar Yokneam, Yokneam, Israel.
[Johnson, Gregory; Kerbyson, Darren J.; Lang, Michael] Los Alamos Natl Lab, PAL, Los Alamos, NM 87545 USA.
RP Zahavi, E (reprint author), Mellanox Technol Ltd, IL-20692 Shaar Yokneam, Yokneam, Israel.
EM eitan@mellanox.co.il
NR 16
TC 21
Z9 21
U1 0
U2 7
PU JOHN WILEY & SONS LTD
PI CHICHESTER
PA THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND
SN 1532-0626
J9 CONCURR COMP-PRACT E
JI Concurr. Comput.-Pract. Exp.
PD FEB
PY 2010
VL 22
IS 2
BP 217
EP 231
DI 10.1002/cpe.1527
PG 15
WC Computer Science, Software Engineering; Computer Science, Theory &
Methods
SC Computer Science
GA 544WU
UT WOS:000273691500007
ER
PT J
AU Boyer, JL
Rochford, J
Tsai, MK
Muckerman, JT
Fujita, E
AF Boyer, Julie L.
Rochford, Jonathan
Tsai, Ming-Kang
Muckerman, James T.
Fujita, Etsuko
TI Ruthenium complexes with non-innocent ligands: Electron distribution and
implications for catalysis
SO COORDINATION CHEMISTRY REVIEWS
LA English
DT Review
DE Ruthenium complexes; Redox-active ligands; Non-innocent ligands;
Quinone; Oxidation; Catalysis
ID TRANSITION-METAL-COMPLEXES; O-BENZOQUINONE DIIMINE; ACTIVE QUINONOID
LIGANDS; WATER-OXIDATION; REDOX PROPERTIES; CHARGE-DISTRIBUTION;
ELECTROCHEMICAL OXIDATION; BIS(QUINONE) COMPLEXES; DIOXOLENE COMPLEXES;
MOLECULAR-STRUCTURE
AB Ruthenium complexes with the non-innocent ligands (NILs) benzoquinone, iminobenzoquinone and benzoquinonediimine and their redox derivatives exhibit intriguing electronic properties. With the proper ligand set the NIL pi* orbitals mix extensively with the ruthenium d pi orbitals resulting in delocalized electron distributions and non-integer oxidation states, and in most of these systems a particular ruthenium oxidation state dominates. This review critically examines the electronic structure of Ru-NIL systems from both an experimental and computational (DFT) perspective. The electron distribution within these complexes can be modulated by altering both the ancillary ligands and the NIL, and in a few cases the resultant electron distributions are exploited for catalysis. The Ru-NIL systems that perform alcohol oxidation and water oxidation catalysis are discussed in detail. The Tanaka catalyst, an anthracene-bridged dinuclear Ru complex, is an intriguing example of a Ru-NIL framework in catalysis. Unlike other known ruthenium water oxidation catalysts, the two Ru atoms remain low valent during the catalytic cycle according to DFT calculations, some experimental evidence, and predictions based on the behavior of the related mononuclear species. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Boyer, Julie L.; Rochford, Jonathan; Tsai, Ming-Kang; Muckerman, James T.; Fujita, Etsuko] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
RP Fujita, E (reprint author), Brookhaven Natl Lab, Dept Chem, BLDG 555, Upton, NY 11973 USA.
EM fujita@bnl.gov
RI Fujita, Etsuko/D-8814-2013; Muckerman, James/D-8752-2013;
OI Tsai, Ming-Kang/0000-0001-9189-5572
NR 129
TC 95
Z9 95
U1 2
U2 79
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0010-8545
J9 COORDIN CHEM REV
JI Coord. Chem. Rev.
PD FEB
PY 2010
VL 254
IS 3-4
SI SI
BP 309
EP 330
DI 10.1016/j.ccr.2009.09.006
PG 22
WC Chemistry, Inorganic & Nuclear
SC Chemistry
GA 548BH
UT WOS:000273933300010
ER
PT J
AU Matthes, SA
Covino, BS
Bullard, SJ
Williamson, KM
AF Matthes, S. A.
Covino, B. S., Jr.
Bullard, S. J.
Williamson, K. M.
TI Field Test of High-Temperature Corrosion Sensors in a Waste-to-Energy
Plant
SO CORROSION
LA English
DT Article
DE ash; corrosion; gaseous; high temperature; linear polarization
resistance; waste incineration; waste to energy
AB Electrochemical probes originally designed for use in aqueous environments were shown to measure corrosion rates in a high-temperature gaseous environment where electrolyte consisted of conductive ashes and liquid slag. The field trial of the probes was conducted over a five-month period to monitor fireside corrosion in a Waste-to-energy (WTE) plant. The three-electrode air-cooled corrosion sensors, each including a thermocouple to monitor sensor temperature, were installed in four different ports at approximately the same level of the WTE boiler. A total of 12 sensors were tested: six with electrodes using the carbon steel boiler tube material and six: using the nickel-chromium alloy used for Weld overlays for the electrodes. Corrosion rates and temperatures of the sensors were monitored continuously throughout the trial. Metallographic measurements of sensor thickness loss were used to calibrate the electrochemical corrosion rates. Air cooling of the sensors was found to be necessary to bring the sensors to the temperature of the boiler tubes, to better match the corrosion rate of the tubes. and to increase Survivability of the sensors and thermocouples. Varying the temperature of the sensors simulated corrosion rates of boiler tubes with steam temperatures above and. below that in the actual WTE plant. Temperatures of two of the sensors were successfully held at controlled temperatures close to the steam temperature for a three-hour test period. Trends in the corrosion rates of the two materials tested were similar though of different magnitude. An expression relating the corrosion rate of the boiler tube material to the corrosion rate of weld overlay was determined for a seven-day period in the middle of the field trial. Results from the field trial suggested that corrosion rate sensors controlled to the outer waterwall temperature can monitor successfully fireside corrosion in WTE plants and can be used as a process control tool by plant operators.
C1 [Matthes, S. A.; Covino, B. S., Jr.; Bullard, S. J.; Williamson, K. M.] US DOE, Natl Energy Technol Lab, Albany, OR 97321 USA.
RP Matthes, SA (reprint author), US DOE, Natl Energy Technol Lab, 1450 Queen Ave,SW, Albany, OR 97321 USA.
EM matthes@proaxis.com
NR 14
TC 0
Z9 0
U1 0
U2 2
PU NATL ASSOC CORROSION ENG
PI HOUSTON
PA 1440 SOUTH CREEK DRIVE, HOUSTON, TX 77084-4906 USA
SN 0010-9312
J9 CORROSION
JI Corrosion
PD FEB
PY 2010
VL 66
IS 2
AR 025001
PG 12
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 553LO
UT WOS:000274368400001
ER
PT J
AU Tan, L
Allen, TR
AF Tan, L.
Allen, T. R.
TI Effect of thermomechanical treatment on the corrosion of AA5083
SO CORROSION SCIENCE
LA English
DT Article
DE Mass loss; Intergranular corrosion; Precipitates; Surface potential;
Grain boundary
ID AL-MG ALLOYS; INITIAL-STAGES; CRACKING; SEGREGATION
AB Corrosion resistance degradation induced by the presence of P-phase (Al3Mg2) limits the performance of aluminum alloy 5083 for some critical applications. The effect of thermomechanical treatment on the corrosion of AA5083 is presented in this paper. The samples subjected to the thermomechanical treatment showed superior corrosion resistance compared to the as-received samples. The effects of grain boundary character distribution, grain shape, texture, and precipitates on corrosion are discussed based on experimental observations. Special boundaries are expected to have a weak effect on the overall corrosion resistance of the material compared to the other factors. (C) 2009 Elsevier Ltd. All rights reserved.
C1 [Tan, L.; Allen, T. R.] Univ Wisconsin, Madison, WI 53706 USA.
RP Tan, L (reprint author), Oak Ridge Natl Lab, 1 Bethel Valley Rd,POB 2008 MS6151, Oak Ridge, TN 37831 USA.
EM tanl@ornl.gov
RI Tan, Lizhen/A-7886-2009;
OI Tan, Lizhen/0000-0002-3418-2450; Allen, Todd/0000-0002-2372-7259
FU Office of Naval Research [N00014-08-1-0183]; NSF
FX This work was supported by the Grant N00014-08-1-0183 from the Office of
Naval Research. The authors thank the helpful program organization and
discussion led by Dr. A. Perez. Thanks also to Dr. YK Yang for supplying
a sample of an Al-10Mg model alloy. This research utilized NSF-supported
shared facilities at the University of Wisconsin.
NR 26
TC 48
Z9 51
U1 2
U2 25
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0010-938X
J9 CORROS SCI
JI Corrosion Sci.
PD FEB
PY 2010
VL 52
IS 2
BP 548
EP 554
DI 10.1016/j.corsci.2009.10.013
PG 7
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering
SC Materials Science; Metallurgy & Metallurgical Engineering
GA 550JR
UT WOS:000274124600031
ER
PT J
AU Wang, X
Ingall, E
Lai, B
Stack, AG
AF Wang, Xuefeng
Ingall, Ellery
Lai, Barry
Stack, Andrew G.
TI Self-Assembled Monolayers as Templates for Heme Crystallization
SO CRYSTAL GROWTH & DESIGN
LA English
DT Article
ID PIGMENT BETA-HEMATIN; MALARIA PIGMENT; HEMOZOIN FORMATION;
PLASMODIUM-FALCIPARUM; SCHISTOSOMA-MANSONI; ORGANIC MONOLAYERS;
ANTIMALARIAL-DRUGS; CRYSTAL-GROWTH; AMINO-ACIDS; NUCLEATION
AB Homogeneous self-assembled monolayers (SAMs) of alkanethiols (HS(CH(2))(n)X) on Au(111) were used as substrates for crystallization of ferriprotoporphyrin IX (heme) in acidic aqueous solution. Different terminal functional groups (X = OH, COOH, NH(2), CH(3)) were used oil the SAMS as models of sites where heme crystallization takes place in blood-feeding organisms. Atomic force microscopy, X-ray diffraction (XRD), and X-ray absorption near edge spectroscopy (XANES) were employed to characterize particle morphology, density, crystallographic orientation, and the coordination environment. It was found that the morphology and extent of growth of particulates were strongly affected by the environment in which they crystallize. As has been previously observed, acicular crystals form in DMSO-methanol solution, whereas irregular aggregates of crystals form in acidic aqueous solution. Here tabular crystals were found to form on -NH(2) and -OH terminated SAMS, whereas inclined crystals formed on -COOH and -CH(3) terminated substrates. Particulate coverage on these SAMS decreased in the order of -NH(2), -COOH, -CH(3), and -OH. Chloroquine, a widely used antimalaria drug, slowed particle nucleation rate on the SAMS with varying efficacy but was most efficient on the -COOH SAM. XANES measurements showed that the coordination environment surrounding iron in the particles was found to be the same, regardless of the preparation method and matches existing spectra of hemozoin produced in vivo and synthetic beta-hematin. Different crystallographic planes were found to be expressed depending on the identity of the SAM using XRD, The interaction between the terminal functional group of the SAM and the density and orientation of crystals is discussed.
C1 [Wang, Xuefeng; Ingall, Ellery; Stack, Andrew G.] Georgia Inst Technol, Sch Earth & Atmospher Sci, Atlanta, GA 30332 USA.
[Lai, Barry] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Stack, AG (reprint author), Georgia Inst Technol, Sch Earth & Atmospher Sci, 311 Ferst Dr, Atlanta, GA 30332 USA.
EM andrew.stack@eas.gatech.edu
RI Ingall, Ellery/A-5447-2008; Stack, Andrew/D-2580-2013; wang,
xuefeng/D-4319-2013; wang, xuefeng/J-2365-2014
OI Ingall, Ellery/0000-0003-1954-0317; Stack, Andrew/0000-0003-4355-3679;
FU U.S. Department of Energy, Office of Science, Off ice of Basic Energy
Sciences [DE-AC02-06CH11357, DE-FG02-07ER15901]; U.S. National Science
Foundation [0849494]
FX Use of the Advanced Photon Source was supported by the U.S. Department
of Energy, Office of Science, Off ice of Basic Energy Sciences, under
Contract No. DE-AC02-06CH11357. This work was supported in part by the
U.S. National Science Foundation Grant 0849494 to El and U.S. Department
of Energy Grant DE-FG02-07ER15901 to A.G.S.
NR 43
TC 14
Z9 14
U1 0
U2 12
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1528-7483
J9 CRYST GROWTH DES
JI Cryst. Growth Des.
PD FEB
PY 2010
VL 10
IS 2
BP 798
EP 805
DI 10.1021/cg901177c
PG 8
WC Chemistry, Multidisciplinary; Crystallography; Materials Science,
Multidisciplinary
SC Chemistry; Crystallography; Materials Science
GA 559PC
UT WOS:000274837000046
ER
PT J
AU Iwasa, A
Clay, WA
Dahl, JE
Carlson, RMK
Shen, ZX
Sasagawa, T
AF Iwasa, Akio
Clay, Will A.
Dahl, Jeremy E.
Carlson, Robert M. K.
Shen, Zhi-xun
Sasagawa, Takao
TI Environmentally Friendly Refining of Diamond-Molecules via the Growth of
Large Single Crystals
SO CRYSTAL GROWTH & DESIGN
LA English
DT Article
AB Using it home-made transparent two-zone furnace, single crystals of diamond molecules (or diamondoids) up to similar to 1 cm(3) were grown under real time observation using the vapor transport technique. This process proved to be an environmentally friendly means of refining diamond molecules. Optical measurements were performed to evaluate the purity of diamond molecules before and after the process, which demonstrated that even a trace amount of impurities in commercial samples was successfully removed by our method. The thus-obtained high-purity single crystals will accelerate fundamental and applied research on diamond molecules in the solid state, especially in the field of optoelectronics.
C1 [Iwasa, Akio; Sasagawa, Takao] Tokyo Inst Technol, Mat & Struct Lab, Kanagawa 2268303, Japan.
[Clay, Will A.; Dahl, Jeremy E.; Shen, Zhi-xun] Stanford Univ, Dept Phys, Geballe Lab Adv Mat, Stanford, CA 94305 USA.
[Clay, Will A.; Dahl, Jeremy E.; Shen, Zhi-xun] Stanford Univ, Dept Appl Phys, Geballe Lab Adv Mat, Stanford, CA 94305 USA.
[Carlson, Robert M. K.] Chevron Technol Ventures, Mol Diamond Technol, Richmond, CA 94802 USA.
[Shen, Zhi-xun] Stanford Inst Mat & Energy Sci, SLAC, Natl Accelerator Lab, Menlo Pk, CA 94025 USA.
RP Sasagawa, T (reprint author), Tokyo Inst Technol, Mat & Struct Lab, Kanagawa 2268303, Japan.
EM sasagawa@msl.titech.ac.jp
RI Sasagawa, Takao/E-6666-2014
OI Sasagawa, Takao/0000-0003-0149-6696
FU Chevron; Department of Energy, Office of Basic Energy Sciences
[DE-AC02-76SF00515]
FX The work in Japan was supported by a Research Grant from Iketani Science
and Technology Foundation and a Grant-in-Aid for Scientific Research
from Ministry of Education, Culture, Sports, Science and Technology. The
work in the USA was supported by Chevron through the Stanford-Chevron
Diamondoid Program and the Department of Energy, Office of Basic Energy
Sciences under Contract DE-AC02-76SF00515.
NR 12
TC 7
Z9 7
U1 0
U2 10
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1528-7483
J9 CRYST GROWTH DES
JI Cryst. Growth Des.
PD FEB
PY 2010
VL 10
IS 2
BP 870
EP 873
DI 10.1021/cg901218t
PG 4
WC Chemistry, Multidisciplinary; Crystallography; Materials Science,
Multidisciplinary
SC Chemistry; Crystallography; Materials Science
GA 559PC
UT WOS:000274837000056
ER
PT J
AU Hooker, JM
AF Hooker, Jacob M.
TI Modular strategies for PET imaging agents
SO CURRENT OPINION IN CHEMICAL BIOLOGY
LA English
DT Review
ID POSITRON-EMISSION-TOMOGRAPHY; REPORTER GENE-EXPRESSION; PEPTIDES;
PROBES; RADIOTRACERS; RADIOLABELS; PROTEINS; DELIVERY; HUMANS; LIVER
AB In recent years, modular and simplified chemical and biological strategies have been developed for the synthesis and implementation of positron emission tomography (PET) radiotracers. New developments in bioconjugation and synthetic methodologies, in combination with advances in macromolecular delivery systems and gene-expression imaging, reflect a need to reduce radiosynthesis burden in order to accelerate imaging agent development. These new approaches, which are often mindful of existing infrastructure and available resources, are anticipated to provide a more approachable entry point for researchers interested in using PET to translate in vitro research to in vivo imaging.
C1 Brookhaven Natl Lab, Dept Med, Upton, NY 11973 USA.
RP Hooker, JM (reprint author), Brookhaven Natl Lab, Dept Med, Bldg 555, Upton, NY 11973 USA.
EM hooker@bnl.gov
OI Hooker, Jacob/0000-0002-9394-7708
FU NIH [1F32EB008320-01]; Goldhaber Distinguished Fellowship
FX This work was supported in part by the NIH (1F32EB008320-01) and the
Goldhaber Distinguished Fellowship program at BNL.
NR 50
TC 22
Z9 22
U1 2
U2 16
PU CURRENT BIOLOGY LTD
PI LONDON
PA 84 THEOBALDS RD, LONDON WC1X 8RR, ENGLAND
SN 1367-5931
J9 CURR OPIN CHEM BIOL
JI Curr. Opin. Chem. Biol.
PD FEB
PY 2010
VL 14
IS 1
BP 105
EP 111
DI 10.1016/j.cbpa.2009.10.005
PG 7
WC Biochemistry & Molecular Biology; Biophysics
SC Biochemistry & Molecular Biology; Biophysics
GA 561AH
UT WOS:000274946700016
PM 19880343
ER
PT J
AU Korkola, J
Gray, JW
AF Korkola, James
Gray, Joe W.
TI Breast cancer genomes - form and function
SO CURRENT OPINION IN GENETICS & DEVELOPMENT
LA English
DT Review
ID DNA COPY NUMBER; MAMMARY EPITHELIAL-CELL; GENE-EXPRESSION;
EXTRACELLULAR-MATRIX; COLORECTAL CANCERS; TUMOR-SUSCEPTIBILITY; HER2
AMPLIFICATION; MOUSE MODEL; IN-VITRO; CARCINOMAS
AB This review summarizes advances in our understanding of the genomic and epigenomic abnormalities in breast cancers that are being revealed by the increasingly powerful suite of genomic analysis technologies. It summarizes the remarkable genomic heterogeneity that characterizes the disease, describes mechanisms that shape cancer genomes as they evolve toward metastasis, summarizes important recurrent aberrations that exist in spite of the genomic chaos and that contribute to breast cancer pathophysiology, and describes the use of preclinical models to identify drugs that will be effective against subsets of breast cancers carrying specific genomic and epigenomic abnormalities.
C1 [Korkola, James; Gray, Joe W.] Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA 94127 USA.
RP Gray, JW (reprint author), Lawrence Berkeley Natl Lab, Div Life Sci, 1 Cyclotron Rd,MS977-250, Berkeley, CA 94127 USA.
EM jwgray@lbl.gov
FU U.S. Department of Energy [DE-AC02-05CH11231]; National Institutes of
Health, National Cancer Institute [U54 112970, P50 CA 58207]
FX This work was supported by the Director. Office of Science, Office of
Biological & Environmental Research, of the U.S. Department of Energy
under contract No. DE-AC02-05CH11231, by the National Institutes of
Health, National Cancer Institute grants U54 112970, and P50 CA 58207.
NR 97
TC 24
Z9 25
U1 0
U2 5
PU CURRENT BIOLOGY LTD
PI LONDON
PA 84 THEOBALDS RD, LONDON WC1X 8RR, ENGLAND
SN 0959-437X
J9 CURR OPIN GENET DEV
JI Curr. Opin. Genet. Dev.
PD FEB
PY 2010
VL 20
IS 1
BP 4
EP 14
DI 10.1016/j.gde.2009.11.005
PG 11
WC Cell Biology; Genetics & Heredity
SC Cell Biology; Genetics & Heredity
GA 564TL
UT WOS:000275240200002
PM 20060285
ER
PT J
AU Sashital, DG
Doudna, JA
AF Sashital, Dipali G.
Doudna, Jennifer A.
TI Structural insights into RNA interference
SO CURRENT OPINION IN STRUCTURAL BIOLOGY
LA English
DT Review
ID DOUBLE-STRANDED-RNA; ARGONAUTE SILENCING COMPLEX; RISC-LOADING COMPLEX;
A-AEOLICUS ARGONAUTE; CRYSTAL-STRUCTURE; PASSENGER-STRAND;
RIBONUCLEASE-III; SLICER ACTIVITY; PIWI PROTEIN; GUIDE-STRAND
AB Virtually all animals and plants utilize small RNA molecules to control protein expression during different developmental stages and in response to viral infection. Structural and mechanistic studies have begun to illuminate three fundamental aspects of these pathways: small RNA biogenesis, formation of RNA-induced silencing complexes (RISCs), and targeting of complementary mRNAs. Here we review exciting recent progress in understanding how regulatory RNAs are produced and how they trigger specific destruction of mRNAs during RNA interference (RNAi).
C1 [Sashital, Dipali G.; Doudna, Jennifer A.] Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA.
[Doudna, Jennifer A.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Doudna, Jennifer A.] Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA.
[Doudna, Jennifer A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
RP Doudna, JA (reprint author), Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA.
EM doudna@berkeley.edu
OI Sashital, Dipali/0000-0001-7681-6987
FU Howard Hughes Medical Institute; National Institutes of Health; Damon
Runyon Cancer Research Foundation
FX We thank D Patel for communicating results in advance of publication and
members of the Doudna laboratory for helpful discussions. Research in
the Doudna laboratory is supported by the Howard Hughes Medical
Institute and the National Institutes of Health. DGS is a Damon Runyon
Fellow supported by the Damon Runyon Cancer Research Foundation.
NR 41
TC 51
Z9 55
U1 6
U2 28
PU CURRENT BIOLOGY LTD
PI LONDON
PA 84 THEOBALDS RD, LONDON WC1X 8RR, ENGLAND
SN 0959-440X
J9 CURR OPIN STRUC BIOL
JI Curr. Opin. Struct. Biol.
PD FEB
PY 2010
VL 20
IS 1
BP 90
EP 97
DI 10.1016/j.sbi.2009.12.001
PG 8
WC Biochemistry & Molecular Biology; Cell Biology
SC Biochemistry & Molecular Biology; Cell Biology
GA 568KK
UT WOS:000275521000013
PM 20053548
ER
PT J
AU Rambo, RP
Tainer, JA
AF Rambo, Robert P.
Tainer, John A.
TI Bridging the solution divide: comprehensive structural analyses of
dynamic RNA, DNA, and protein assemblies by small-angle X-ray scattering
SO CURRENT OPINION IN STRUCTURAL BIOLOGY
LA English
DT Review
ID TUMOR-SUPPRESSOR P53; SAXS DATA; REPAIR; CONFORMATION; DOMAIN; EXCISION;
INSIGHTS; COMPLEX; ELEMENT; BINDING
AB Small-angle X-ray scattering (SAXS) is changing how we perceive biological structures, because it reveals dynamic macromolecular conformations and assemblies in solution. SAXS information captures thermodynamic ensembles, enhances static structures detailed by high-resolution methods, uncovers commonalities among diverse macromolecules, and helps define biological mechanisms. SAXS-based experiments on RNA riboswitches and ribozymes and on DNA-protein complexes including DNA-PK and p53 discover flexibilities that better define structure-function relationships. Furthermore, SAXS results suggest conformational variation is a general functional feature of macromolecules. Thus, accurate structural analyses will require a comprehensive approach that assesses both flexibility, as seen by SAXS, and detail, as determined by X-ray crystallography and NMR. Here, we review recent SAXS computational tools, technologies, and applications to nucleic acids and related structures.
C1 [Tainer, John A.] Scripps Res Inst, Skaggs Inst Chem Biol, Dept Mol Biol, La Jolla, CA 92037 USA.
[Rambo, Robert P.; Tainer, John A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Adv Light Source, Berkeley, CA 94720 USA.
RP Tainer, JA (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Adv Light Source, Berkeley, CA 94720 USA.
EM jat@scripps.edu
FU NCI NIH HHS [P01 CA092584, CA92584, P01 CA092584-079002, P01
CA092584-099002]
NR 49
TC 91
Z9 91
U1 2
U2 39
PU CURRENT BIOLOGY LTD
PI LONDON
PA 84 THEOBALDS RD, LONDON WC1X 8RR, ENGLAND
SN 0959-440X
J9 CURR OPIN STRUC BIOL
JI Curr. Opin. Struct. Biol.
PD FEB
PY 2010
VL 20
IS 1
BP 128
EP 137
DI 10.1016/j.sbi.2009.12.015
PG 10
WC Biochemistry & Molecular Biology; Cell Biology
SC Biochemistry & Molecular Biology; Cell Biology
GA 568KK
UT WOS:000275521000018
PM 20097063
ER
PT J
AU Marshall, SJ
Bayne, SC
Baier, R
Tomsia, AP
Marshall, GW
AF Marshall, Sally J.
Bayne, Stephen C.
Baier, Robert
Tomsia, Antoni P.
Marshall, Grayson W.
TI A review of adhesion science
SO DENTAL MATERIALS
LA English
DT Article; Proceedings Paper
CT Annual Meeting of the Academy-of-Dental-Materials
CY OCT 29-31, 2009
CL Portland, OR
SP Acad Dent Mat
DE Adhesion; Adhesive; Adherend; Bonding; Interfaces
AB Objective. Adhesion or cohesion includes an adherend, adhesive, and intervening interface. Adhesive joints may include one or more interfaces. Adhesion science focuses on understanding the materials properties associated with formation of the interfaces, changes in the interfaces with time, and events associated with failure of the interfaces.
Methods. The key principles for good interface formation are creation of a clean surface, generation of a rough surface for interfacial interlocking, good wetting of the substratum by the adhesive/cohesive materials, adequate flow and adaptation for intimate interaction, and acceptable curing when phase changes are required for final joint formation.
Results. Much more effort is needed in the future to carefully assess each of these using available testing methods that attempt to characterize the energetics of the interfaces. Bonding involves potential contributions from physical, chemical, and mechanical sources but primarily relies on micro-mechanical interaction for success. Characterization of the interface before adhesion, during service, and after failure would be much more useful for future investigations and remains as a great challenge.
Significance. Scientists should more rigorously apply techniques such as comprehensive contact angle analysis ( rather than simple water wettability) for surface energy determination, and AFM in addition to SEM for surface texture analysis. (C) 2009 Academy of Dental Materials. Published by Elsevier Ltd. All rights reserved.
C1 [Marshall, Sally J.] Univ Calif San Francisco, SD Prevent & Restorat Dent Sci, San Francisco, CA 94141 USA.
[Bayne, Stephen C.] Univ Michigan, Ann Arbor, MI 48109 USA.
[Baier, Robert] SUNY Buffalo, Buffalo, NY USA.
[Marshall, Sally J.; Tomsia, Antoni P.; Marshall, Grayson W.] Lawrence Berkeley Natl Lab, Berkeley, CA USA.
RP Marshall, SJ (reprint author), Univ Calif San Francisco, SD Prevent & Restorat Dent Sci, 707 Parnassus Ave, San Francisco, CA 94141 USA.
EM sally.marshall@ucsf.edu
NR 16
TC 75
Z9 82
U1 2
U2 44
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0109-5641
J9 DENT MATER
JI Dent. Mater.
PD FEB
PY 2010
VL 26
IS 2
BP E11
EP E16
DI 10.1016/j.dental.2009.11.157
PG 6
WC Dentistry, Oral Surgery & Medicine; Materials Science, Biomaterials
SC Dentistry, Oral Surgery & Medicine; Materials Science
GA 552JS
UT WOS:000274286700002
PM 20018362
ER
PT J
AU Janvilisri, T
Scaria, J
Gleed, R
Fubini, S
Bonkosky, MM
Grohn, YT
Chang, YF
AF Janvilisri, Tavan
Scaria, Joy
Gleed, Robin
Fubini, Susan
Bonkosky, Michelle M.
Groehn, Yrjoe T.
Chang, Yung-Fu
TI Development of a microarray for identification of pathogenic Clostridium
spp.
SO DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
LA English
DT Article
DE Clostridium; Diagnosis; Microarray
ID DIFFICILE-ASSOCIATED DIARRHEA; MULTIPLEX PCR ASSAY; OLIGONUCLEOTIDE
MICROARRAYS; MICROBIAL DIAGNOSTICS; LABORATORY DIAGNOSIS; PERFRINGENS;
INFECTION; STRAINS; CULTURE
AB In recent years, Clostridium spp. have rapidly reemerged as human and animal pathogens. The detection and identification of pathogenic Clostridium spp. is therefore critical for clinical diagnosis and antimicrobial therapy. Traditional diagnostic techniques for clostridia are laborious, are time consuming, and may adversely affect the therapeutic outcome. In this study, we developed an oligonucleotide diagnostic microarray for pathogenic Clostridium spp. The microarray specificity was tested against 65 Clostridium isolates. The applicability of this microarray in a clinical setting was assessed with the use of mock stool samples. The microarray was successful in discriminating at least 4 species with the limit of detection as low as 10(4) CFU/mL. In addition, the pattern of virulence and antibiotic resistance genes of tested strains were determined through the microarrays. This approach demonstrates the high-throughput detection and identification of Clostridium spp. and provides advantages over traditional methods. Microarray-based techniques are promising applications for clinical diagnosis and epidemiologic investigations. (C) 2010 Elsevier Inc. All rights reserved.
C1 [Janvilisri, Tavan; Scaria, Joy; Groehn, Yrjoe T.; Chang, Yung-Fu] Cornell Univ, Coll Vet Med, Dept Populat Med & Diagnost Sci, Ithaca, NY 14853 USA.
[Gleed, Robin; Fubini, Susan] Cornell Univ, Coll Vet Med, Dept Clin Sci, Ithaca, NY 14853 USA.
[Bonkosky, Michelle M.] Oak Ridge Inst Sci & Educ, Oak Ridge, TN 37831 USA.
[Janvilisri, Tavan] Mahidol Univ, Fac Sci, Dept Biol, Bangkok 10400, Thailand.
RP Chang, YF (reprint author), Cornell Univ, Coll Vet Med, Dept Populat Med & Diagnost Sci, Ithaca, NY 14853 USA.
EM yc42@cornell.edu
RI Scaria, Joy/E-1828-2011
FU National Institute of Allergy and Infectious Diseases; National
Institutes of Health; Department of Health and Human Services
[N01-AI-30054, ZC005-06]
FX This project was supported with federal funds from the National
Institute of Allergy and Infectious Diseases, National Institutes of
Health, Department of Health and Human Services under contract,
N01-AI-30054, project no. ZC005-06. The authors thank Drs D.N. Gerding
at Hines Veterans Affairs Hospital, A. Dascal at McGill University, L.G.
Arroyo at University of Guelph, J.G. Songer at University of Arizona,
B.M. Limbago at Centers for Disease Control and Prevention, and S.B.
Melville at Virginia Polytechnic Institute and State University for
providing us Clostridium isolates. Thanks are extended to Dr Sean
McDonough for his critical reading of the manuscript.
NR 31
TC 5
Z9 5
U1 0
U2 4
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 0732-8893
J9 DIAGN MICR INFEC DIS
JI Diagn. Microbiol. Infect. Dis.
PD FEB
PY 2010
VL 66
IS 2
BP 140
EP 147
DI 10.1016/j.diagmicrobio.2009.09.014
PG 8
WC Infectious Diseases; Microbiology
SC Infectious Diseases; Microbiology
GA 594YI
UT WOS:000277576900003
PM 19879710
ER
PT J
AU Hill, WR
Smith, JG
Stewart, AJ
AF Hill, Walter R.
Smith, John G.
Stewart, Arthur J.
TI Light, nutrients, and herbivore growth in oligotrophic streams
SO ECOLOGY
LA English
DT Article
DE algae; competition; Elimia clavaeformis; herbivore; light; nutrient
hypothesis; nitrogen; phosphorus; snails; streams
ID FRESH-WATER SNAIL; ELEMENTAL COMPOSITION; PRIMARY PRODUCTIVITY; FOREST
STREAM; PERIPHYTON; LIMITATION; FOOD; PHOSPHORUS; RESPONSES; ECOSYSTEM
AB The light : nutrient hypothesis posits that herbivore growth is increasingly constrained by low food quality as the ratio of light to nutrients increases in aquatic ecosystems. We tested predictions of this hypothesis by examining the effects of large seasonal cycles in light and nutrients on the mineral content of periphyton and the growth rate of a dominant herbivore (the snail Elimia clavaeformis) in two oligotrophic streams. Streambed irradiances in White Oak Creek and Walker Branch (eastern Tennessee, USA) varied dramatically on I seasonal basis due to leaf phenology in the surrounding deciduous forests and seasonal changes in Sun angle. Concentrations of dissolved nutrients varied inversely with light, causing light: nitrate and light: phosphate to range almost 100-fold over the course of any individual year. Periphyton nitrogen and phosphorus concentrations were much lower than the concentrations of these elements in snails, and they bottomed out in early spring when streambed irradiances were highest. Snail growth, however, peaked in early spring when light: nutrient ratios were highest and periphyton nutrient concentrations were lowest. Growth was linearly related to primary production (accounting for up to 85% of growth variance in individual years), which in turn was driven by seasonal variation in light. Conceptual models of herbivore growth indicate that growth should initially increase as increasing light levels stimulate primary production, but then level off, and then decrease as the negative effects of decreasing algal nutrient content override the positive effects of increased food production. Our results showed no evidence of an inflection point where increasing ratios of light to nutrients negatively affected growth. Snail growth in these intensively grazed streams is probably unaffected by periphyton nutrient content because exploitative competition for food reduces growth rates to levels where the demand for nitrogen and phosphorus is small enough to be satisfied by even low levels of these nutrients in periphyton. Competition for limited food resources in habitats where herbivore densities are uncontrolled by predation or other mortality factors should strongly influence the potential for herbivores to be limited by mineral deficits in their food.
C1 [Hill, Walter R.; Smith, John G.; Stewart, Arthur J.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37830 USA.
[Hill, Walter R.] Univ Illinois, Inst Nat Resource Sustainabil, Champaign, IL 61820 USA.
RP Hill, WR (reprint author), Oak Ridge Natl Lab, Div Environm Sci, POB 2008, Oak Ridge, TN 37830 USA.
EM wrhill@illinois.edu
OI stewart, arthur/0000-0003-1968-5997
FU Oak Ridge National Laboratory's Environmental Protection and Waste
Services Division; Walker Branch Long Term Measurement Program;
University of Illinois Campus Research Board; U.S. Department of Energy
[DE-AC05-00OR22725]
FX We thank Brian Roberts for providing primary production data from Walker
Branch in digital form. Research at White Oak Creek was supported by the
Oak Ridge National Laboratory's Environmental Protection and Waste
Services Division. Research at Walker Branch was supported by the Walker
Branch Long Term Measurement Program and a grant to W. R. Hill from the
University of Illinois Campus Research Board. Oak Ridge National
Laboratory is managed by UT-Battelle under contract DE-AC05-00OR22725
with the U.S. Department of Energy.
NR 36
TC 19
Z9 20
U1 4
U2 48
PU ECOLOGICAL SOC AMER
PI WASHINGTON
PA 1990 M STREET NW, STE 700, WASHINGTON, DC 20036 USA
SN 0012-9658
J9 ECOLOGY
JI Ecology
PD FEB
PY 2010
VL 91
IS 2
BP 518
EP 527
DI 10.1890/09-0703.1
PG 10
WC Ecology
SC Environmental Sciences & Ecology
GA 572GX
UT WOS:000275816900023
PM 20392016
ER
PT J
AU Lu, ZG
Zhou, XD
Fisher, D
Templeton, J
Stevenson, J
Wu, NJ
Ignatiev, A
AF Lu, Zigui
Zhou, Xiao-dong
Fisher, Daniel
Templeton, Jared
Stevenson, Jeffry
Wu, Naijuan
Ignatiev, Alex
TI Enhanced performance of an anode-supported YSZ thin electrolyte fuel
cell with a laser-deposited Sm0.2Ce0.8O1.9 interlayer
SO ELECTROCHEMISTRY COMMUNICATIONS
LA English
DT Article
DE IT-SOFC; Anode-supported; YSZ electrolyte; Dense SDC interlayer; Pulsed
laser deposition; Ohmic resistance
ID LA(SR)FEO3 SOFC CATHODE; ELECTRICAL-CONDUCTIVITY; LA; POLARIZATION;
TEMPERATURE; IMPROVEMENT; FILMS; GD
AB A power density of over 1.4 W cm(-2) at 0.7 V was achieved at 750 degrees C for an anode-supported YSZ thin electrolyte fuel cell with a dense Sm0.2Ce0.8O1.9 (SDC) interlayer fabricated by pulsed laser deposition, while the cell with a conventional porous SDC interlayer exhibited only 0.8 W cm(-2) at this voltage. The dense SDC interlayer significantly reduced the ohmic resistance of the fuel cell. For example, at 750 degrees C, the ohmic resistance of the fuel cell with a dense SDC interlayer was 0.08 Omega cm(2); while that of the cell with a porous SDC interlayer fabricated by conventional screen-printing was 0.16 Omega cm(2). The pronounced reduction in ohmic resistance might be due to the fully dense structure and thus improved electrical conductivity of the SDC interlayer, increased contact area at the interface between the dense SDC interlayer and the YSZ electrolyte. and suppressed Zr migration into the SDC interlayer. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Lu, Zigui; Zhou, Xiao-dong; Templeton, Jared; Stevenson, Jeffry] Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99352 USA.
[Fisher, Daniel; Wu, Naijuan; Ignatiev, Alex] Univ Houston, Ctr Adv Mat, Houston, TX 77204 USA.
RP Zhou, XD (reprint author), Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99352 USA.
EM xiaodong.zhou@pnl.gov
OI Lu, Zigui/0000-0001-9848-7088
FU US Department of Energy; Center for Advanced Materials; R.A. Welch
Foundation [E-632]
FX The authors would like to thank Jeff Bonnet for substrate preparation,
Shelley Carlson and James Coleman for the SEM work. This work was
supported by the US Department of Energy's Solid-state Energy Conversion
Alliance Core Technology Program. Part of the support also came from the
Center for Advanced Materials, and the R.A. Welch Foundation under Grant
#E-632.
NR 22
TC 32
Z9 32
U1 0
U2 19
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 1388-2481
J9 ELECTROCHEM COMMUN
JI Electrochem. Commun.
PD FEB
PY 2010
VL 12
IS 2
BP 179
EP 182
DI 10.1016/j.elecom.2009.11.015
PG 4
WC Electrochemistry
SC Electrochemistry
GA 560CC
UT WOS:000274878400001
ER
PT J
AU Pollak, E
Lucas, IT
Kostecki, R
AF Pollak, Elad
Lucas, Ivan T.
Kostecki, Robert
TI A study of lithium transport in aluminum membranes
SO ELECTROCHEMISTRY COMMUNICATIONS
LA English
DT Article
DE Lithium transport; Aluminum; Li-ion anode; Li-ion battery
ID NEGATIVE ELECTRODE; ROOM-TEMPERATURE; ION-INSERTION; INTERCALATION;
DIFFUSION; LI; BATTERIES; GRAPHITE; ALLOY; PERFORMANCE
AB We employed the Devanathan-Stachurski experimental methodology for direct measurement of the rate of lithium transport in metals that can be used as negative electrodes in lithium-ion batteries. The measured Li transport rate in aluminum appears to be in relatively good agreement with previously reported results obtained using standard electrochemical techniques. However, Li transport rate measurements in aluminum membranes of different thicknesses reveal anomalies with regard to the standard diffusion controlled mass transfer model. We attribute this effect to a complex Li transport mechanism in Al membranes upon alloying. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Pollak, Elad; Lucas, Ivan T.; Kostecki, Robert] Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Kostecki, R (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
EM R_Kostecki@lbl.gov
RI LUCAS, Ivan /S-5742-2016
OI LUCAS, Ivan /0000-0001-8930-0437
FU US Department of Energy [DE-AC02-05CH11231]
FX This work was supported by the Assistant Secretary for Energy Efficiency
and Renewable Energy, Office of FreedomCAR and Vehicle Technologies of
the US Department of Energy under Contract No. DE-AC02-05CH11231.
NR 25
TC 2
Z9 2
U1 1
U2 28
PU ELSEVIER SCIENCE INC
PI NEW YORK
PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA
SN 1388-2481
J9 ELECTROCHEM COMMUN
JI Electrochem. Commun.
PD FEB
PY 2010
VL 12
IS 2
BP 198
EP 201
DI 10.1016/j.elecom.2009.11.023
PG 4
WC Electrochemistry
SC Electrochemistry
GA 560CC
UT WOS:000274878400006
ER
PT J
AU Choi, M
Nordmeyer, RA
Cornell, E
Dong, M
Biggin, MD
Jin, J
AF Choi, Megan
Nordmeyer, Robert A.
Cornell, Earl
Dong, Ming
Biggin, Mark D.
Jin, Jian
TI A multichannel gel electrophoresis and continuous fraction collection
apparatus for high-throughput protein separation and characterization
SO ELECTROPHORESIS
LA English
DT Article
DE Continuous elution electrophoresis; Counter free-flow; D. vulgaris; High
throughput; Multichannel electrophoresis
ID ZONE ELECTROPHORESIS; COMPLEXES; DESIGN
AB To facilitate a direct interface between protein separation by PAGE and protein identification by mass spectrometry, we developed a multichannel system that continuously collects fractions as protein bands migrate off the bottom of gel electrophoresis columns. The device was constructed using several short linear gel columns, each of a different percent acrylamide, to achieve a separation power similar to that of a long gradient gel. A "Counter Free-Flow" elution technique then allows continuous and simultaneous fraction collection from multiple channels at low cost. We demonstrate that rapid, high-resolution separation of a complex protein mixture can be achieved on this system using SDS-PAGE. In a 2.5 h electrophoresis run, for example, each sample was separated and eluted into 48-96 fractions over a mass range of similar to 10-150 kDa; sample recovery rates were 50% or higher; each channel was loaded with up to 0.3 mg of protein in 0.4 mL; and a purified band was eluted in two to three fractions (200 mu L/fraction). Similar results were obtained when running native gel electrophoresis, but protein aggregation limited the loading capacity to about 50 mu g per channel and reduced resolution.
C1 [Nordmeyer, Robert A.; Cornell, Earl; Jin, Jian] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Engn, Berkeley, CA 94720 USA.
[Choi, Megan; Dong, Ming; Biggin, Mark D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Genom Div, Berkeley, CA 94720 USA.
RP Jin, J (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Engn, 1 Cyclotron Rd,MS 46-125, Berkeley, CA 94720 USA.
EM JJin@lbl.gov
FU Department of Energy [DE-AC02-05CH11231]
FX The authors are grateful to many members of the Protein Complex Analysis
Project (PCAP) for their support and for discussions. This work was
conducted under Department of Energy contract DE-AC02-05CH11231 awarded
to Lawrence Berkeley National Laboratory.
NR 15
TC 0
Z9 0
U1 0
U2 4
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0173-0835
EI 1522-2683
J9 ELECTROPHORESIS
JI Electrophoresis
PD FEB
PY 2010
VL 31
IS 3
BP 440
EP 447
DI 10.1002/elps.200900435
PG 8
WC Biochemical Research Methods; Chemistry, Analytical
SC Biochemistry & Molecular Biology; Chemistry
GA 556PK
UT WOS:000274603200002
PM 20119951
ER
PT J
AU Breault, RW
AF Breault, Ronald W.
TI Gasification Processes Old and New: A Basic Review of the Major
Technologies
SO ENERGIES
LA English
DT Review
DE gasification; gasifier; IGCC; gas composition
AB This paper has been put together to provide a single source document that not only reviews the historical development of gasification but also compares the process to combustion. It also provides a short discussion on integrated gasification and combined cycle processes. The major focus of the paper is to describe the twelve major gasifiers being marketed today. Some of these are already fully developed while others are in various stages of development. The hydrodynamics and kinetics of each are reviewed along with the most likely gas composition from each of the technologies when using a variety of fuels under different conditions from air blown to oxygen blown and atmospheric pressure to several atmospheres.
C1 NETL US DOE, Morgantown, WV 26507 USA.
RP Breault, RW (reprint author), NETL US DOE, POB 880, Morgantown, WV 26507 USA.
EM Ronald.breault@netl.doe.gov
OI Breault, Ronald/0000-0002-5552-4050
NR 11
TC 42
Z9 44
U1 2
U2 29
PU MDPI AG
PI BASEL
PA POSTFACH, CH-4005 BASEL, SWITZERLAND
SN 1996-1073
J9 ENERGIES
JI Energies
PD FEB
PY 2010
VL 3
IS 2
BP 216
EP 240
DI 10.3390/en3020216
PG 25
WC Energy & Fuels
SC Energy & Fuels
GA 583UK
UT WOS:000276705200005
ER
PT J
AU Tanaka, R
Sato, S
Takanohashi, T
Hunt, JE
Winans, RE
AF Tanaka, Ryuzo
Sato, Shinya
Takanohashi, Toshimasa
Hunt, Jerry E.
Winans, Randall E.
TI Analysis of the Molecular Weight Distribution of Petroleum Asphaltenes
Using Laser Desorption-Mass Spectrometry (vol 18, pg 1405, 2004)
SO ENERGY & FUELS
LA English
DT Correction
C1 [Tanaka, Ryuzo] Idemitsu Kosan Co Ltd, Cent Res Labs, Sodegaura, Chiba 2990293, Japan.
[Sato, Shinya; Takanohashi, Toshimasa] Natl Inst Adv Ind Sci & Technol, Inst Energy Utilizat, Tsukuba, Ibaraki 3058569, Japan.
[Hunt, Jerry E.; Winans, Randall E.] Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA.
RP Tanaka, R (reprint author), Idemitsu Kosan Co Ltd, Cent Res Labs, 1280 Kamiizumi, Sodegaura, Chiba 2990293, Japan.
NR 1
TC 1
Z9 1
U1 0
U2 8
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0887-0624
J9 ENERG FUEL
JI Energy Fuels
PD FEB
PY 2010
VL 24
BP 1474
EP 1474
DI 10.1021/ef9015679
PG 1
WC Energy & Fuels; Engineering, Chemical
SC Energy & Fuels; Engineering
GA 555MH
UT WOS:000274514400092
ER
PT J
AU Verbruggen, A
Fischedick, M
Moomaw, W
Weir, T
Nadai, A
Nilsson, LJ
Nyboer, J
Sathaye, J
AF Verbruggen, Aviel
Fischedick, Manfred
Moomaw, William
Weir, Tony
Nadai, Alain
Nilsson, Lars J.
Nyboer, John
Sathaye, Jayant
TI Renewable energy costs, potentials, barriers: Conceptual issues
SO ENERGY POLICY
LA English
DT Article
DE Renewable energy sources and technologies; Costs and prices; Potentials
and barriers
ID EFFICIENCY; INNOVATION; ECONOMICS; PROSPECTS; POLICY
AB Renewable energy can become the major energy supply option in low-carbon energy economies. Disruptive transformations in all energy systems are necessary for tapping widely available renewable energy resources. Organizing the energy transition from non-sustainable to renewable energy is often described as the major challenge of the first half of the 21st century. Technological innovation, the economy (costs and prices) and policies have to be aligned to achieve full renewable energy potentials, and barriers impeding that growth need to be removed. These issues are also covered by IPCC's special report on renewable energy and climate change to be completed in 2010. This article focuses on the interrelations among the drivers. It clarifies definitions of costs and prices, and of barriers. After reviewing how the third and fourth assessment reports of IPCC cover mitigation potentials and commenting on definitions of renewable energy potentials in the literature, we propose a consistent set of potentials of renewable energy supplies. (C) 2009 Elsevier Ltd. All rights reserved.
C1 [Verbruggen, Aviel] Univ Antwerp, Antwerp, Belgium.
[Fischedick, Manfred] Wuppertal Inst Climate, Wuppertal, Germany.
[Moomaw, William] Tufts Univ, Ctr Int Environm & Resource Policy, Medford, MA 02155 USA.
[Weir, Tony] Univ S Pacific, Suva, Fiji.
[Nilsson, Lars J.] Lund Univ, S-22100 Lund, Sweden.
[Nyboer, John] Simon Fraser Univ, Sch Resource & Environm Management, Burnaby, BC V5A 1S6, Canada.
[Sathaye, Jayant] Lawrence Berkeley Lab, Berkeley, CA USA.
RP Verbruggen, A (reprint author), Univ Antwerp, Antwerp, Belgium.
EM aviel.verbruggen@ua.ac.be
OI Weir, Tony/0000-0001-8606-8732
NR 53
TC 70
Z9 71
U1 16
U2 72
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0301-4215
J9 ENERG POLICY
JI Energy Policy
PD FEB
PY 2010
VL 38
IS 2
BP 850
EP 861
DI 10.1016/j.enpol.2009.10.036
PG 12
WC Energy & Fuels; Environmental Sciences; Environmental Studies
SC Energy & Fuels; Environmental Sciences & Ecology
GA 548SD
UT WOS:000273985700020
ER
PT J
AU Zhang, YQ
Oldenburg, CM
Finsterle, S
AF Zhang, Yingqi
Oldenburg, Curtis M.
Finsterle, Stefan
TI Percolation-theory and fuzzy rule-based probability estimation of fault
leakage at geologic carbon sequestration sites
SO ENVIRONMENTAL EARTH SCIENCES
LA English
DT Article
DE Risk assessment; Faults and fractures; Fuzzy logic
ID RESERVOIR OPERATION; LENGTH DISTRIBUTION; FRACTURE SYSTEMS;
CONNECTIVITY; LOGIC; NETWORKS; FLOW; LAW; CLASSIFICATION; DISTRIBUTIONS
AB Leakage of CO2 and displaced brine from geologic carbon sequestration (GCS) sites into potable groundwater or to the near-surface environment is a primary concern for safety and effectiveness of GCS. The focus of this study is on the estimation of the probability of CO2 leakage along conduits such as faults and fractures. This probability is controlled by (1) the probability that the CO2 plume encounters a conductive fault that could serve as a conduit for CO2 to leak through the sealing formation, and (2) the probability that the conductive fault(s) intersected by the CO2 plume are connected to other conductive faults in such a way that a connected flow path is formed to allow CO2 to leak to environmental resources that may be impacted by leakage. This work is designed to fit into the certification framework for geological CO2 storage, which represents vulnerable resources such as potable groundwater, health and safety, and the near-surface environment as discrete "compartments.'' The method we propose for calculating the probability of the network of conduits intersecting the CO2 plume and one or more compartments includes four steps: (1) assuming that a random network of conduits follows a power-law distribution, a critical conduit density is calculated based on percolation theory; for densities sufficiently smaller than this critical density, the leakage probability is zero; (2) for systems with a conduit density around or above the critical density, we perform a Monte Carlo simulation, generating realizations of conduit networks to determine the leakage probability of the CO2 plume (Pleak) for different conduit length distributions, densities and CO2 plume sizes; (3) from the results of Step 2, we construct fuzzy rules to relate P-leak to system characteristics such as system size, CO2 plume size, and parameters describing conduit length distribution and uncertainty; (4) finally, we determine the CO2 leakage probability for a given system using fuzzy rules. The method can be extended to apply to brine leakage risk by using the size of the pressure perturbation above some cutoff value as the effective plume size. The proposed method provides a quick way of estimating the probability of CO2 or brine leaking into a compartment for evaluation of GCS leakage risk. In addition, the proposed method incorporates the uncertainty in the system parameters and provides the uncertainty range of the estimated probability.
C1 [Zhang, Yingqi; Oldenburg, Curtis M.; Finsterle, Stefan] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Zhang, YQ (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, MS 90R1116,1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM yqzhang@lbl.gov
RI Finsterle, Stefan/A-8360-2009; Oldenburg, Curtis/L-6219-2013; Zhang,
Yingqi/D-1203-2015
OI Finsterle, Stefan/0000-0002-4446-9906; Oldenburg,
Curtis/0000-0002-0132-6016;
FU CO2 Capture Project (CCP) of the Joint Industry Program
(JIP); Department of Energy [DE-AC02-05CH11231]
FX This work was supported in part by the CO2 Capture Project
(CCP) of the Joint Industry Program (JIP), and by Lawrence Berkeley
National Laboratory under Department of Energy Contract No.
DE-AC02-05CH11231. We thank Keni Zhang for providing his fracture
network generation code. We also thank Christine Doughty and Hui-Hai Liu
(LBNL) for constructive reviews, and Scott Imbus (Chevron) and Cal
Cooper (ConocoPhillips) for support and encouragement.
NR 54
TC 9
Z9 9
U1 1
U2 14
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1866-6280
J9 ENVIRON EARTH SCI
JI Environ. Earth Sci.
PD FEB
PY 2010
VL 59
IS 7
BP 1447
EP 1459
DI 10.1007/s12665-009-0131-4
PG 13
WC Environmental Sciences; Geosciences, Multidisciplinary; Water Resources
SC Environmental Sciences & Ecology; Geology; Water Resources
GA 551BY
UT WOS:000274182000007
ER
PT J
AU Baker-Austin, C
Gore, A
Oliver, JD
Rangdale, R
McArthur, JV
Lees, DN
AF Baker-Austin, Craig
Gore, Anthony
Oliver, James D.
Rangdale, Rachel
McArthur, J. Vaun
Lees, David N.
TI Rapid in situ detection of virulent Vibrio vulnificus strains in raw
oyster matrices using real-time PCR
SO ENVIRONMENTAL MICROBIOLOGY REPORTS
LA English
DT Article
ID PATHOGENESIS; ASSAY; GENOTYPES; BACTERIA; GENE
AB Vibrio vulnificus is a Gram-negative bacterial pathogen responsible for the vast majority of bacterially mediated fatalities from the consumption of raw or undercooked seafood in the USA. Vibrio vulnificus-associated septicaemia can occur rapidly (< 24 h); however, methods for the isolation and confirmation of V. vulnificus from seafood samples typically require several days. A real-time PCR assay was developed for V. vulnificus biotype 1 that provides a rapid means of identifying a gene fragment (vcgC) previously indicated as a strong predictor of potential virulence. PCR probe specificity was confirmed by amplification of 17 clinical V. vulnificus strains and by the lack of amplification with seven non-pathogenic V. vulnificus isolates and a wide range of closely related bacteria. Oyster and seawater samples were amended with a range of environmentally realistic concentrations of C-genotype V. vulnificus cells, which were quantitatively and unambiguously identified according to biotype. Of some significance, we utilized a sample processing and nucleic acid extraction procedure that allowed identification of pathogenic strains of V. vulnificus from oyster matrices without prior enrichment or culturing of strains. This outlined approach allowed the detection of as little as 50 cfu of V. vulnificus in less than 5 h, which compares favourably with culture-based approaches. The results indicate the applicability of this approach for monitoring purposes or as a potential diagnostic tool in clinical settings.
C1 [Baker-Austin, Craig; Rangdale, Rachel; Lees, David N.] Ctr Environm Fisheries & Aquaculture Sci, Weymouth Lab, Weymouth, Dorset, England.
[Gore, Anthony] Kings Coll London, London WC2R 2LS, England.
[Oliver, James D.] Univ N Carolina, Dept Biol, Charlotte, NC 28223 USA.
[McArthur, J. Vaun] Univ Georgia, Savannah River Ecol Lab, Aiken, SC USA.
RP Baker-Austin, C (reprint author), Ctr Environm Fisheries & Aquaculture Sci, Weymouth Lab, Weymouth, Dorset, England.
EM craig.baker-austin@cefas.co.uk
NR 18
TC 14
Z9 14
U1 3
U2 6
PU WILEY-BLACKWELL PUBLISHING, INC
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1758-2229
J9 ENV MICROBIOL REP
JI Environ. Microbiol. Rep.
PD FEB
PY 2010
VL 2
IS 1
SI SI
BP 76
EP 80
DI 10.1111/j.1758-2229.2009.00092.x
PG 5
WC Environmental Sciences; Microbiology
SC Environmental Sciences & Ecology; Microbiology
GA 619LO
UT WOS:000279431900010
PM 23766001
ER
PT J
AU Haley, BJ
Grim, CJ
Hasan, NA
Taviani, E
Chun, J
Brettin, TS
Bruce, DC
Challacombe, JF
Detter, JC
Han, CS
Huq, A
Nair, GB
Colwell, RR
AF Haley, Bradd J.
Grim, Christopher J.
Hasan, Nur A.
Taviani, Elisa
Chun, Jongsik
Brettin, Thomas S.
Bruce, David C.
Challacombe, Jean F.
Detter, J. Chris
Han, Cliff S.
Huq, Anwar
Nair, G. Balakrish
Colwell, Rita R.
TI The pre-seventh pandemic Vibrio cholerae BX 330286 El Tor genome:
evidence for the environment as a genome reservoir
SO ENVIRONMENTAL MICROBIOLOGY REPORTS
LA English
DT Article
ID VIRULENCE GENE-EXPRESSION; SEQUENCES; SOFTWARE; INCIDENT; REVEALS;
STRAINS; O1
AB Vibrio cholerae O1 El Tor BX 330286 was isolated from a water sample in Australia in 1986, 9 years after an indigenous outbreak of cholera occurred in that region. This environmental strain encodes virulence factors highly similar to those of clinical strains, suggesting an ability to cause disease in humans. We demonstrate its high similarity in gene content and genome-wide nucleotide sequence to clinical V. cholerae strains, notably to pre-seventh pandemic O1 El Tor strains isolated in 1910 (V. cholerae NCTC 8457) and 1937 (V. cholerae MAK 757), as well as seventh pandemic strains isolated after 1960 globally. Here we demonstrate that this strain represents a transitory clone with shared characteristics between pre-seventh and seventh pandemic strains of V. cholerae. Interestingly, this strain was isolated 25 years after the beginning of the seventh pandemic, suggesting the environment as a genome reservoir in areas where cholera does not occur in sporadic, endemic or epidemic form.
C1 [Haley, Bradd J.; Grim, Christopher J.; Hasan, Nur A.; Taviani, Elisa; Huq, Anwar; Colwell, Rita R.] Univ Maryland, Maryland Pathogen Res Inst, College Pk, MD 20742 USA.
[Grim, Christopher J.; Colwell, Rita R.] Univ Maryland, Inst Adv Comp Studies, College Pk, MD 20742 USA.
[Chun, Jongsik] Seoul Natl Univ, Sch Biol Sci, Seoul 151742, South Korea.
[Chun, Jongsik] Int Vaccine Inst, Seoul 151818, South Korea.
[Brettin, Thomas S.; Bruce, David C.; Detter, J. Chris; Han, Cliff S.] Los Alamos Natl Lab, DOE Joint Genome Inst, Biosci Div, Los Alamos, NM USA.
[Challacombe, Jean F.; Nair, G. Balakrish] Natl Inst Cholera & Enter Dis, Kolkata, India.
[Chun, Jongsik] Seoul Natl Univ, Inst Microbiol, Seoul 151742, South Korea.
RP Colwell, RR (reprint author), Univ Maryland, Maryland Pathogen Res Inst, College Pk, MD 20742 USA.
EM rcolwell@umiacs.umd.edu
NR 27
TC 3
Z9 3
U1 0
U2 5
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1758-2229
J9 ENV MICROBIOL REP
JI Environ. Microbiol. Rep.
PD FEB
PY 2010
VL 2
IS 1
SI SI
BP 208
EP 216
DI 10.1111/j.1758-2229.2010.00141.x
PG 9
WC Environmental Sciences; Microbiology
SC Environmental Sciences & Ecology; Microbiology
GA 619LO
UT WOS:000279431900030
PM 23766018
ER
PT J
AU Mostrag, A
Puzyn, T
Haranczyk, M
AF Mostrag, Aleksandra
Puzyn, Tomasz
Haranczyk, Maciej
TI Modeling the overall persistence and environmental mobility of
sulfur-containing polychlorinated organic compounds
SO ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
LA English
DT Article
DE Overall persistence; Long-range transport potential; Multimedia
modeling; Exposure assessment; QSPR; Half-lives; Partition coefficients;
Polychlorinated thianthrenes; Polychlorinated phenoxanthins;
Polychorinated dibenzothiophenes; Polychlorinated diphenyl sulfides;
Persistent organic pollutants
ID AIR PARTITION-COEFFICIENTS; CHROMATOGRAPHIC RETENTION TIMES; HENRYS LAW
CONSTANTS; DIPHENYL ETHERS; SCREENING CHEMICALS; MULTIMEDIA MODELS;
TRANSPORT; DIBENZOTHIOPHENES; TOOL; CHLOROBENZENES
AB Experimental data on partition coefficients and environmental half-lives of sulfur analogs of polychlorinated organic compounds are scarce. Consequently, little is known about their overall persistence and long-range transport potential, which are the most vital measures in the environmental exposure assessment. We performed Multimedia Modeling of environmental fate and transport to complement this paucity of scientific data. The main aim of our study was to investigate whether the sulfur analogs of polychlorinated dibenzo-p-dioxins, -dibenzofurans, and -diphenylethers are as environmentally persistent and/or mobile as their oxygen counterparts and to propose the environmental exposure-related classification of the examined sulfur compounds.
Our study included all possible congeners of the sulfur analogs generated in a combinatorial approach. We predicted (1) lacking data on partition coefficients (log K (OW), log K (OA) and log K (AW)) for oxygen- and sulfur analogs using Quantitative Structure-Property Relationship (QSPR) modeling and (2) their half-lives in air, water, and soil using US EPA tool 'The PBT Profiler, v. 1.203 2006'. Subsequently, we introduced these results into multimedia mass balance model 'The OECD P(OV) and LRTP Screening Tool, v. 2.2'.
Our study revealed that log K (OW) and log K (OA) are increasing by constant values of 0.60 and 1.07, respectively, and the values of log K (AW) are decreasing by 0.90, whenever one oxygen atom in the carbon skeleton is replaced by sulfur. The persistence ranking performed by the PBT Profiler showed that PCDDs, PCDFs, PCDEs, and their sulfur analogs belong to one half-life class.
The Multimedia Modeling by the means of 'The OECD P(OV) and LRTP Screening Tool, v. 2.2' suggested that the long-range transport potential depends on the presence/absence of oxygen/sulfur atoms in particular molecules, their substitution pattern and the parent carbon skeleton. Sulfur analogs are generally less mobile than their oxygen analogs, but have similar overall persistence and much higher bioaccumulation potential. Thus, according to the classification of chemicals proposed by Klasmeier et al. (Environ Sci Technol 40:53-60, 2006), some of them show POP-like P(OV) and LRTP characteristics while the rest shows POP-like P(OV) characteristics.
The sulfur analogs of PCDDs, PCDFs, or PCDEs bring environmental mobility comparable with the risk related to the oxygen ones; they belong to the pollutants of 'highest' or 'intermediate' priority.
Further studies that would verify the necessity to include the studied sulfur molecules in the international lists of high-priority environmental pollutants are recommended.
C1 [Puzyn, Tomasz] Univ Gdansk, Fac Chem, Lab Environm Chemometr, PL-80952 Gdansk, Poland.
[Haranczyk, Maciej] Univ Calif Berkeley, Lawrence Berkeley Lab, Computat Res Div, Berkeley, CA 94720 USA.
RP Puzyn, T (reprint author), Univ Gdansk, Fac Chem, Lab Environm Chemometr, Sobieskiego 18-19, PL-80952 Gdansk, Poland.
EM puzi@qsar.eu.org
RI Haranczyk, Maciej/A-6380-2014;
OI Haranczyk, Maciej/0000-0001-7146-9568; Puzyn, Tomasz/0000-0003-0449-8339
FU U. S. Department of Energy [DE-AC02-05CH11231]
FX T. P. thanks the Foundation for Polish Science for granting him a
fellowship and a research grant in the frame of the HOMING Program. M.
H. is a 2008 Glenn T. Seaborg Fellow at Lawrence Berkeley National
Laboratory. This research was supported in part (to M. H.) by the U. S.
Department of Energy under contract DE-AC02-05CH11231.
NR 42
TC 13
Z9 13
U1 5
U2 37
PU SPRINGER HEIDELBERG
PI HEIDELBERG
PA TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY
SN 0944-1344
J9 ENVIRON SCI POLLUT R
JI Environ. Sci. Pollut. Res.
PD FEB
PY 2010
VL 17
IS 2
BP 470
EP 477
DI 10.1007/s11356-009-0257-7
PG 8
WC Environmental Sciences
SC Environmental Sciences & Ecology
GA 546YQ
UT WOS:000273851900022
PM 19937279
ER
PT J
AU Stewart, BD
Mayes, MA
Fendorf, S
AF Stewart, Brandy D.
Mayes, Melanie A.
Fendorf, Scott
TI Impact of Uranyl-Calcium-Carbonato Complexes on Uranium(VI) Adsorption
to Synthetic and Natural Sediments
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID MICROBIAL REDUCTION; TERNARY COMPLEXES; SUBSURFACE MEDIA; SURFACE;
FERRIHYDRITE; SORPTION; SPECIATION; GOETHITE; MODEL; SITE
AB Adsorption on soil and sediment solids may decrease aqueous uranium concentrations and limit its propensity for migration in natural and contaminated settings. Uranium adsorption will be controlled in large part by its aqueous speciation, with a particular dependence on the presence of dissolved calcium and carbonate. Here we quantify the impact of uranyl speciation on adsorption to both goethite and sediments from the Hanford Clastic Dike and Oak Ridge Melton Branch Ridgetop formations. Hanford sediments were preconditioned with sodium acetate and acetic acid to remove carbonate grains, and Ca and carbonate were reintroduced at defined levels to provide a range of aqueous uranyl species. U(VI) adsorption is directly linked to UO(2)(2+) speciation, with the extent of retention decreasing with formation of ternary uranyl-calcium-carbonato species. Adsorption isotherms under the conditions studied are linear, and K(d) values decrease from 48 to 17 L kg(-1) for goethite, from 64 to 29 L kg(-1) for Hanford sediments, and from 95 to 51 L kg(-1) for Melton Branch sediments as the Ca concentration increases from 0 to 1 mM at pH 7. Our observations reveal that in carbonate-bearing waters, neutral to slightly acidic pH values (similar to 5) and limited dissolved calcium are optimal for uranium adsorption.
C1 [Stewart, Brandy D.; Fendorf, Scott] Stanford Univ, Stanford, CA 94305 USA.
[Mayes, Melanie A.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Fendorf, S (reprint author), Stanford Univ, Stanford, CA 94305 USA.
EM Fendorf@stanford.edu
FU Office of Science, Office of Biological and Environmental Research,
Environmental Remediation Sciences Program, of the U.S. Department of
Energy [DE-AC02-05CH11231]; OBER-ERSP [ER63609-1021814]; Stanford NSF
Environmental Molecular Science Institute [NSF-CHE-0431425]; National
Science Foundation Chemistry and Earth Sciences Divisions
FX We are grateful for the assistance of Dr. G. Li with the uranium
analysis. This work was supported in part by the Director, Office of
Science, Office of Biological and Environmental Research, Environmental
Remediation Sciences Program, of the U.S. Department of Energy under
Contract No. DE-AC02-05CH11231; Support was also provided by OBER-ERSP
under Grant Number ER63609-1021814 and by the Stanford NSF Environmental
Molecular Science Institute (Grant NSF-CHE-0431425), funded by the
National Science Foundation Chemistry and Earth Sciences Divisions.
NR 34
TC 60
Z9 61
U1 2
U2 45
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0013-936X
J9 ENVIRON SCI TECHNOL
JI Environ. Sci. Technol.
PD FEB 1
PY 2010
VL 44
IS 3
BP 928
EP 934
DI 10.1021/es902194x
PG 7
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 548HD
UT WOS:000273950100015
PM 20058915
ER
PT J
AU Bruns, EA
Perraud, V
Zelenyuk, A
Ezell, MJ
Johnson, SN
Yu, Y
Imre, D
Finlayson-Pitts, BJ
Alexander, ML
AF Bruns, Emily A.
Perraud, Veronique
Zelenyuk, Alla
Ezell, Michael J.
Johnson, Stanley N.
Yu, Yong
Imre, Dan
Finlayson-Pitts, Barbara J.
Alexander, M. Lizabeth
TI Comparison of FTIR and Particle Mass Spectrometry for the Measurement of
Particulate Organic Nitrates
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID RADICAL-INITIATED REACTIONS; TRANSFORM INFRARED-ANALYSIS; ALPHA-PINENE;
NO3 RADICALS; HIGH-RESOLUTION; ATMOSPHERIC CHEMISTRY; SIZE
DISTRIBUTIONS; AEROSOL FORMATION; VAPOR-PRESSURES; LINEAR ALKENES
AB While multifunctional organic nitrates are formed during the atmospheric oxidation of volatile organic compounds, relatively little is known about their signatures in particle mass spectrometers. High resolution time-of-flight aerosol mass spectrometry (HR-ToF-AMS) and FTIR spectroscopy on particles impacted on ZnSe windows were applied to NH4NO3, NaNO3, and isosorbide 5-mononitrate (IMN) particles, and to secondary organic aerosol (SOA) from NO3 radical reactions at 22 degrees C and 1 atm in air with alpha- and beta-pinene, 3-carene, limonene, and isoprene. For comparison, single particle laser ablation mass spectra (SPLAT II) were also obtained for IMN and SOA from the alpha-pinene reaction. The mass spectra of all particles exhibit significant intensity at m/z30, and for the SOA, weak peaks corresponding to various organic fragments containing nitrogen [CxHyNzO8](+) were identified using HR-ToF-AMS. The NO+/NO2+ ratios from HR-ToF-AMS were 10-15 for IMN and the SOA from the alpha- and beta-pinene, 3-carene, and limonene reactions, similar to 5 for the isoprene reaction, 2.4 for NH4NO3 and 80 for NaNO3. The N/H ratios from HR-ToF-AMS for the SOA were smaller by a factor of 2 to 4 than the -ONO2/C-H ratios measured using FTIR. FTIR has the advantage that it provides identification and quantification of functional groups. The NO+/NO2+ ratio from HR-ToF-AMS can indicate organic nitrates if they are present at more than 15-60% of the inorganic nitrate, depending on whether the latter is NH4NO3 or NaNO3. However, unique identification of specific organic nitrates is not possible with either method.
C1 [Bruns, Emily A.; Perraud, Veronique; Ezell, Michael J.; Johnson, Stanley N.; Finlayson-Pitts, Barbara J.] Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA.
[Zelenyuk, Alla; Alexander, M. Lizabeth] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99354 USA.
[Imre, Dan] Imre Consulting, Richland, WA 99352 USA.
RP Finlayson-Pitts, BJ (reprint author), Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA.
EM bjfinlay@uci.edu; lizabeth.alexander@pnl.gov
RI Yu, Yong/G-6445-2010; bruns, emily/A-4558-2013; Perraud,
Veronique/F-2830-2016
OI Perraud, Veronique/0000-0003-1247-9787
FU U.S. Department of Energy [DE-FG02-05ER64000]; U.S. Department of Energy
Office of Basic Energy Sciences, Chemical Sciences Division; Battelle
Memorial Institute [DE-AC06-76RL0 1830]; National Science Foundation
[CHE-0431312]
FX We are grateful to the U.S. Department of Energy (Grant No.
DE-FG02-05ER64000) for support of this work. This research was in part
performed in the Environmental Molecular Sciences Laboratory, a national
scientific user facility sponsored by the U.S. Department of Energy's
Office of Biological and Environmental Research at Pacific Northwest
National Laboratory (PNNL) and supported by the U.S. Department of
Energy Office of Basic Energy Sciences, Chemical Sciences Division. PNNL
is operated by the U.S. Department of Energy by Battelle Memorial
Institute under Contract No. DE-AC06-76RL0 1830. E.A.B. would like to
thank the National Science Foundation for a Graduate Research
Fellowship. Additional support was provided by the AirUCI Environmental
Molecular Science Institute (Grant No. CHE-0431312) funded by the
National Science Foundation. We thank P. Ziemann and J. Pankow for
helpful discussions.
NR 71
TC 49
Z9 50
U1 6
U2 73
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0013-936X
EI 1520-5851
J9 ENVIRON SCI TECHNOL
JI Environ. Sci. Technol.
PD FEB 1
PY 2010
VL 44
IS 3
BP 1056
EP 1061
DI 10.1021/es9029864
PG 6
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 548HD
UT WOS:000273950100034
PM 20058917
ER
PT J
AU Rivas, AL
Chowell, G
Schwager, SJ
Fasina, FO
Hoogesteijn, AL
Smith, SD
Bisschop, SPR
Anderson, KL
Hyman, JM
AF Rivas, A. L.
Chowell, G.
Schwager, S. J.
Fasina, F. O.
Hoogesteijn, A. L.
Smith, S. D.
Bisschop, S. P. R.
Anderson, K. L.
Hyman, J. M.
TI Lessons from Nigeria: the role of roads in the geo-temporal progression
of avian influenza (H5N1) virus
SO EPIDEMIOLOGY AND INFECTION
LA English
DT Article
DE Avian flu; emerging infections; geographical information systems;
surveillance
ID TRANSMISSION; SPREAD; EPIDEMIC; DISEASE; WATER
AB The daily progression of the 2006 (January-June) Nigerian avian influenza (AI H5N1) epidemic was assessed in relation to both spatial variables and the generation interval of the invading virus. Proximity to the highway network appeared to promote epidemic dispersal: from the first AI generation interval onwards >20% of all cases were located at <5 km from the nearest major road. Fifty-seven per cent of all cases were located <= 31 km from three highway intersections. Findings suggest that the spatial features of emerging infections could be key in their control. When the spatial location of a transmission factor is well known, such as that of the highway network, and a substantial percentage of cases (e.g. >20%) are near that factor, early interventions focusing on transmission factors, such as road blocks that prevent poultry trade, may be more efficacious than interventions applied only to the susceptible population.
C1 [Rivas, A. L.; Anderson, K. L.] N Carolina State Univ, Coll Vet Med, Raleigh, NC 27695 USA.
[Rivas, A. L.; Schwager, S. J.; Smith, S. D.] Cornell Univ, Inst Resource Informat Sci, Ithaca, NY USA.
[Chowell, G.] Arizona State Univ, Sch Human Evolut & Social Change, Tempe, AZ USA.
[Chowell, G.] NIH, Div Epidemiol & Populat Studies, Fogarty Int Ctr, Bethesda, MD 20892 USA.
[Fasina, F. O.] Natl Inst Vet Res, Vom, Plateau, Nigeria.
[Fasina, F. O.; Bisschop, S. P. R.] Univ Pretoria, Fac Vet Sci, Poultry Reference Ctr, ZA-0002 Pretoria, South Africa.
[Hoogesteijn, A. L.] CINVESTAV, Merida, Mexico.
[Hyman, J. M.] Los Alamos Natl Lab, Los Alamos, NM USA.
RP Rivas, AL (reprint author), N Carolina State Univ, Coll Vet Med, 4700 Hillsborough St, Raleigh, NC 27695 USA.
EM alrivas@ncsu.edu
RI Chowell, Gerardo/F-5038-2012
OI Chowell, Gerardo/0000-0003-2194-2251
FU Centro de Investigaciones Avanzadas (CINVESTAV, Merida, YUC, Mexico);
Center for Non-Linear Studies (Los Alamos National Laboratory, Los
Alamos, NM, USA)
FX We are grateful for the assistance of the Executive Director and the
staff of the National Veterinary Research Institute of Nigeria, Mrs.
Celia Abolnik (ARC-OVI, South Africa), and the support of the Centro de
Investigaciones Avanzadas (CINVESTAV, Merida, YUC, Mexico) and the
Center for Non-Linear Studies (Los Alamos National Laboratory, Los
Alamos, NM, USA).
NR 14
TC 16
Z9 17
U1 1
U2 9
PU CAMBRIDGE UNIV PRESS
PI NEW YORK
PA 32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013-2473 USA
SN 0950-2688
J9 EPIDEMIOL INFECT
JI Epidemiol. Infect.
PD FEB
PY 2010
VL 138
IS 2
BP 192
EP 198
DI 10.1017/S0950268809990495
PG 7
WC Public, Environmental & Occupational Health; Infectious Diseases
SC Public, Environmental & Occupational Health; Infectious Diseases
GA 546VT
UT WOS:000273842600005
PM 19653927
ER
PT J
AU Jorg, T
Krzakala, F
Kurchan, J
Maggs, AC
Pujos, J
AF Joerg, T.
Krzakala, F.
Kurchan, J.
Maggs, A. C.
Pujos, J.
TI Energy gaps in quantum first-order mean-field-like transitions: The
problems that quantum annealing cannot solve
SO EPL
LA English
DT Article
ID MODEL
AB We study first-order quantum phase transitions in models where the mean-field treatment is exact, and in particular the exponentially fast closure of the energy gap with the system size at the transition. We consider exactly solvable ferromagnetic models, and show that they reduce to the Grover problem in a particular limit. We compute the coefficient in the exponential closure of the gap using an instantonic approach, and discuss the (dire) consequences for quantum annealing. Copyright (C) EPLA, 2010
C1 [Joerg, T.] LPTENS, F-75231 Paris 05, France.
[Joerg, T.] CNRS, F-75231 Paris, France.
[Joerg, T.] ENS, UMR 8549, F-75231 Paris 05, France.
[Krzakala, F.; Maggs, A. C.; Pujos, J.] PCT, UMR Gulliver 7083, F-75005 Paris, France.
[Krzakala, F.; Kurchan, J.; Maggs, A. C.; Pujos, J.] CNRS, F-75005 Paris, France.
[Krzakala, F.; Kurchan, J.; Maggs, A. C.; Pujos, J.] ESPCI ParisTech, F-75005 Paris, France.
[Krzakala, F.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Krzakala, F.] Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA.
[Kurchan, J.] PMMH, UMR 7636, F-75005 Paris, France.
RP Jorg, T (reprint author), LPTENS, 24 Rue Lhomond, F-75231 Paris 05, France.
EM florent.krzakala@espci.fr
RI Krzakala, Florent/D-8846-2012
NR 20
TC 23
Z9 23
U1 0
U2 1
PU EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
PI MULHOUSE
PA 6 RUE DES FRERES LUMIERE, MULHOUSE, 68200, FRANCE
SN 0295-5075
J9 EPL-EUROPHYS LETT
JI EPL
PD FEB
PY 2010
VL 89
IS 4
AR 40004
DI 10.1209/0295-5075/89/40004
PG 6
WC Physics, Multidisciplinary
SC Physics
GA 575WK
UT WOS:000276100300004
ER
PT J
AU Smythe, NC
Gordon, JC
AF Smythe, Nathan C.
Gordon, John C.
TI Ammonia Borane as a Hydrogen Carrier: Dehydrogenation and Regeneration
SO EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
LA English
DT Review
DE Hydrogen storage; Dehydrogenation; Homogeneous catalysis; Transition
metals; Ammonia borane
ID BORON-NITROGEN BONDS; CATALYZED DEHYDROGENATION; THERMAL-DECOMPOSITION;
H-2 RELEASE; STORAGE; COMPLEXES; CARBENE; AMINOBORANES; EFFICIENT;
ADDUCTS
AB Interest in sustainable non-hydrocarbon-based fuels for transportation has grown as the realization that the supply of fossil fuels is limited and the deleterious environmental effects of burning them has come into public focus. The use of hydrogen (H(2)) has been proposed as an alternative, but its use in pure form is undesirable due to the high pressures or low temperatures required to store useful quantities. Approaches to ameliorate this issue, which stem from the low volumetric energy density of H(2), include the pursuit of sorbents capable of containing H(2) in greater density than liquid H(2) at reasonable temperatures and pressures, metal hydrides such as NaBH(4), and chemical hydrides such as ammonia borane (AB, NH(3)BH(3)). AB contains 19.6 wt.-% H(2), which is well suited to practical applications, but issues with extracting the optimal quantities of H(2) at reasonable temperatures and at useful rates as well as recycling of the spent fuel back into AB with good efficiency and reasonable cost remain to be solved. These problems are inextricably intertwined, as the needs of the regeneration process dictate which catalysts are used (i.e. what kind of spent fuel is generated). This Microreview focuses on recent developments in transition metal complexes for the catalytic dehydrogenation of AB. Neither solvolysis of AB nor thermolysis of AB in the absence of a catalyst are covered in this review.
C1 [Smythe, Nathan C.; Gordon, John C.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA.
RP Gordon, JC (reprint author), Los Alamos Natl Lab, Div Chem, MS J582, Los Alamos, NM 87545 USA.
EM jgordon@lanl.gov
FU U.S. Department of Energy, Office of Energy Efficiency and Renewable
Energy
FX This work was funded by the U.S. Department of Energy, Office of Energy
Efficiency and Renewable Energy. We would like to thank Drs. Kevin Ott
and Andrew Sutton for their suggestions and comments on improving this
manuscript.
NR 64
TC 159
Z9 159
U1 6
U2 143
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PO BOX 10 11 61, D-69451 WEINHEIM, GERMANY
SN 1434-1948
J9 EUR J INORG CHEM
JI Eur. J. Inorg. Chem.
PD FEB
PY 2010
IS 4
BP 509
EP 521
DI 10.1002/ejic.200900932
PG 13
WC Chemistry, Inorganic & Nuclear
SC Chemistry
GA 556MJ
UT WOS:000274595000001
ER
PT J
AU Wilson, AN
East, MC
Dracoulis, GD
Byrne, AP
Clark, RM
Davidson, PM
Fallon, P
Gorgen, A
Lane, GJ
Macchiavelli, AO
Ward, D
AF Wilson, A. N.
East, M. C.
Dracoulis, G. D.
Byrne, A. P.
Clark, R. M.
Davidson, P. M.
Fallon, P.
Goergen, A.
Lane, G. J.
Macchiavelli, A. O.
Ward, D.
TI On the character of three 8(+) states in Pb-192
SO EUROPEAN PHYSICAL JOURNAL A
LA English
DT Article
ID PB ISOTOPES; EXCITATIONS; SHELL
AB Three low-lying 8(+) states have been identified in Pb-192. A newly observed cascade of gamma-rays built directly on the 8(1)(+) state is compared to the previously identified, weakly rotational band above the 11(-) pi i(13/)2, h(9/2) isomer in the same nucleus, and to analogous structures in Pb-194. The similarity of all four structures lends support to the suggestion that the 8(1)(+) configurations are of a similar oblate deformation to the 11(-) isomers. The excitation energies of all three 8(+) states in Pb-192 and Pb-190 are compared to systematics. The possibility that one of the 8(+) states in Pb-192 is associated with a prolate shape is discounted.
C1 [Wilson, A. N.; East, M. C.; Dracoulis, G. D.; Byrne, A. P.; Davidson, P. M.; Lane, G. J.] Australian Natl Univ, Dept Nucl Phys, Res Sch Phys & Engn, Canberra, ACT 0200, Australia.
[Wilson, A. N.; Byrne, A. P.] Australian Natl Univ, Dept Phys, Canberra, ACT 0200, Australia.
[Clark, R. M.; Fallon, P.; Goergen, A.; Macchiavelli, A. O.; Ward, D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Nucl Sci, Berkeley, CA 94720 USA.
RP Wilson, AN (reprint author), Australian Natl Univ, Dept Nucl Phys, Res Sch Phys & Engn, GPO Box 4, Canberra, ACT 0200, Australia.
EM Anna.Wilson@anu.edu.au
RI Lane, Gregory/A-7570-2011;
OI Lane, Gregory/0000-0003-2244-182X; Byrne, Aidan/0000-0002-7096-6455;
Gorgen, Andreas/0000-0003-1916-9941; Wilson, Anna/0000-0001-6928-1689
FU Australian Nuclear Science and Technology Organization [02/03 - H-01];
Australian Research Council [DP0451780]; US Department of Energy
[AC03-76SF00098]
FX The authors would like to thank Bob Turkentine for the excellent quality
of the target, and the operators of the 88 '' Cyclotron at LBNL for
their assistance during the experiment. ANW gratefully acknowledges the
support of the Scottish Universities Physics Alliance through a SUPA
Fellowship. This work was carried out with support from the Australian
Nuclear Science and Technology Organization through grant no. 02/03 -
H-01, the Australian Research Council through grant no. DP0451780 and
the US Department of Energy under Contract No. AC03-76SF00098.
NR 23
TC 3
Z9 3
U1 0
U2 1
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1434-6001
J9 EUR PHYS J A
JI Eur. Phys. J. A
PD FEB
PY 2010
VL 43
IS 2
BP 145
EP 151
DI 10.1140/epja/i2010-10905-3
PG 7
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 552OV
UT WOS:000274303600004
ER
PT J
AU Pagliaro, P
Prime, MB
Swenson, H
Zuccarello, B
AF Pagliaro, P.
Prime, M. B.
Swenson, H.
Zuccarello, B.
TI Measuring Multiple Residual-Stress Components using the Contour Method
and Multiple Cuts
SO EXPERIMENTAL MECHANICS
LA English
DT Article
DE Residual stress measurement; Contour method; Multiaxial stress; Neutron
diffraction; Bueckner's principle; Finite element method
ID EIGENSTRAIN-BASED MODEL; NEUTRON-DIFFRACTION; BUTT-WELD; PREDICTION;
STEEL; MICROSTRUCTURE; VERIFICATION; ALUMINUM; JOINTS; ALLOY
AB The conventional contour method determines one component of residual stress over the cross section of a part. The part is cut into two, the contour (topographic shape) of the exposed surface is measured, and Bueckner's superposition principle is analytically applied to calculate stresses. In this paper, the contour method is extended to the measurement of multiple residual-stress components by making multiple cuts with subsequent applications of superposition. The theory and limitations are described. The theory is experimentally tested on a 316L stainless steel disk with residual stresses induced by plastically indenting the central portion of the disk. The multiple-cut contour method results agree very well with independent measurements using neutron diffraction and with a computational, finite-element model of the indentation process.
C1 [Pagliaro, P.; Prime, M. B.; Swenson, H.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Pagliaro, P.; Zuccarello, B.] Univ Palermo, Dipartimento Meccan, I-90128 Palermo, Italy.
RP Prime, MB (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM prime@lanl.gov
RI Pagliaro, Pierluigi/H-1644-2011;
OI Prime, Michael/0000-0002-4098-5620
FU Universita degli Studi di Palermo
FX This work was performed at Los Alamos National Laboratory, operated by
the Los Alamos National Security, LLC for the National Nuclear Security
Administration of the U. S. Department of Energy under contract
DE-AC52-06NA25396. Mr. Pagliaro's work was sponsored by a fellowship
from the Universita degli Studi di Palermo.
NR 47
TC 43
Z9 46
U1 7
U2 29
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0014-4851
J9 EXP MECH
JI Exp. Mech.
PD FEB
PY 2010
VL 50
IS 2
BP 187
EP 194
DI 10.1007/s11340-009-9280-3
PG 8
WC Materials Science, Multidisciplinary; Mechanics; Materials Science,
Characterization & Testing
SC Materials Science; Mechanics
GA 553XG
UT WOS:000274399500005
ER
PT J
AU Noyan, IC
Brugger, A
Betti, R
Clausen, B
AF Noyan, I. C.
Bruegger, A.
Betti, R.
Clausen, B.
TI Measurement of Strain/Load Transfer in Parallel Seven-wire Strands with
Neutron Diffraction
SO EXPERIMENTAL MECHANICS
LA English
DT Article
DE Neutron strain measurement; Bridge cable; Parallel cable; Load sharing
ID AXIAL TENSILE LOADS; WIRE ROPE STRANDS; THEORETICAL PREDICTIONS;
REFINEMENT
AB The elastic strains induced in the constituent wires of parallel wire strands under tensile loading were measured using neutron diffraction. The elastic strains carried by the individual wires depended very strongly on the boundary conditions at the grips and on radial clamping forces. The friction forces between the wires were quite significant and should not be neglected in analytical or numerical formulations of strain partitioning in parallel wire cables.
C1 [Noyan, I. C.] Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10027 USA.
[Bruegger, A.; Betti, R.] Columbia Univ, Dept Civil Engn & Engn Mech, New York, NY 10027 USA.
[Clausen, B.] Los Alamos Natl Lab, LANSCE LC, Los Alamos, NM USA.
RP Noyan, IC (reprint author), Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10027 USA.
EM icn2@columbia.edu
RI Clausen, Bjorn/B-3618-2015;
OI Clausen, Bjorn/0000-0003-3906-846X; Brugger, Adrian/0000-0001-9164-0385
FU Department of Energy [DE-AC52-06NA25396]
FX We would like to thank Dr. Donald W. Brown (MST-8, Los Alamos National
Laboratory) for helping plan the experiment. The samples were
manufactured by Mr. Johny Manchery, Senior Laboratory Technician, of the
Carleton Laboratory of Columbia University. Mr. Thomas A. Sisneros from
Lujan Center modified the grips and assisted with the sample set-up. We
thank Prof. Chris Marianetti of Columbia University for discussions and
for welding the wires in Specimen B. This work has benefited from the
use of the Lujan Neutron Scattering Center at LANSCE, which is funded by
the Department of Energy's Office of Basic Energy Sciences. Los Alamos
National Laboratory is operated by Los Alamos National Security LLC
under DOE Contract DE-AC52-06NA25396.
NR 20
TC 8
Z9 8
U1 2
U2 14
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0014-4851
J9 EXP MECH
JI Exp. Mech.
PD FEB
PY 2010
VL 50
IS 2
BP 265
EP 272
DI 10.1007/s11340-009-9313-y
PG 8
WC Materials Science, Multidisciplinary; Mechanics; Materials Science,
Characterization & Testing
SC Materials Science; Mechanics
GA 553XG
UT WOS:000274399500013
ER
PT J
AU Hjort, K
Bergstrom, M
Adesina, MF
Jansson, JK
Smalla, K
Sjoling, S
AF Hjort, Karin
Bergstrom, Maria
Adesina, Modupe F.
Jansson, Janet K.
Smalla, Kornelia
Sjoling, Sara
TI Chitinase genes revealed and compared in bacterial isolates, DNA
extracts and a metagenomic library from a phytopathogen-suppressive soil
SO FEMS MICROBIOLOGY ECOLOGY
LA English
DT Article
DE metagenomic library; chitinase; terminal restriction fragment length
polymorphism (T-RFLP); Streptomycetes; suppressive soil
ID 16S RIBOSOMAL-RNA; FRAGMENT-LENGTH-POLYMORPHISM; MICROBIAL DIVERSITY;
COMMUNITY STRUCTURE; PHYLOGENETIC-RELATIONSHIPS; UNCULTURED
MICROORGANISMS; CHITINOLYTIC ENZYMES; MOLECULAR DIVERSITY;
BIOLOGICAL-CONTROL; BIOCONTROL AGENT
AB Soil that is suppressive to disease caused by fungal pathogens is an interesting source to target for novel chitinases that might be contributing towards disease suppression. In this study, we screened for chitinase genes, in a phytopathogen-suppressive soil in three ways: (1) from a metagenomic library constructed from microbial cells extracted from soil, (2) from directly extracted DNA and (3) from bacterial isolates with antifungal and chitinase activities. Terminal restriction fragment length polymorphism (T-RFLP) of chitinase genes revealed differences in amplified chitinase genes from the metagenomic library and the directly extracted DNA, but approximately 40% of the identified chitinase terminal restriction fragments (TRFs) were found in both sources. All of the chitinase TRFs from the isolates were matched to TRFs in the directly extracted DNA and the metagenomic library. The most abundant chitinase TRF in the soil DNA and the metagenomic library corresponded to the TRF103 of the isolate Streptomyces mutomycini and/or Streptomyces clavifer. There were good matches between T-RFLP profiles of chitinase gene fragments obtained from different sources of DNA. However, there were also differences in both the chitinase and the 16S rRNA gene T-RFLP patterns depending on the source of DNA, emphasizing the lack of complete coverage of the gene diversity by any of the approaches used.
C1 [Hjort, Karin; Bergstrom, Maria; Sjoling, Sara] Sodertorn Univ, Sch Life Sci, SE-14189 Huddinge, Sweden.
[Hjort, Karin; Jansson, Janet K.] Swedish Univ Agr Sci, Dept Microbiol, S-75007 Uppsala, Sweden.
[Adesina, Modupe F.; Smalla, Kornelia] Fed Res Ctr Cultivated Plants, Julius Kuhn Inst, Inst Epidemiol & Pathogen Diagnost, Braunschweig, Germany.
[Jansson, Janet K.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Sjoling, S (reprint author), Sodertorn Univ, Sch Life Sci, SE-14189 Huddinge, Sweden.
EM sara.sjoling@sh.se
RI Smalla, Kornelia/H-4002-2011
FU EU [QLK 3-2002-2068, KBBE-222625]; US Department of Energy with Lawrence
Berkeley National Laboratory [DE-AC02-05CH11231]; Baltic Sea Foundation
FX This study was funded by the EU Metacontrol project (QLK 3-2002-2068)
and in part by the EU Metaexplore project (KBBE-222625), the US
Department of Energy Contract DE-AC02-05CH11231 with Lawrence Berkeley
National Laboratory and the Baltic Sea Foundation.
NR 49
TC 42
Z9 44
U1 2
U2 21
PU WILEY-BLACKWELL PUBLISHING, INC
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0168-6496
J9 FEMS MICROBIOL ECOL
JI FEMS Microbiol. Ecol.
PD FEB
PY 2010
VL 71
IS 2
BP 197
EP 207
DI 10.1111/j.1574-6941.2009.00801.x
PG 11
WC Microbiology
SC Microbiology
GA 536SV
UT WOS:000273065000003
PM 19922433
ER
PT J
AU Liu, B
Hu, W
Robertson, GP
Kim, YS
Jiang, Z
Guiver, MD
AF Liu, B.
Hu, W.
Robertson, G. P.
Kim, Y. S.
Jiang, Z.
Guiver, M. D.
TI Sulphonated Biphenylated Poly(aryl ether ketone)s for Fuel Cell
Applications
SO FUEL CELLS
LA English
DT Article
DE DMFC; Fuel Cells; MEA; Membrane; Proton Exchange Membrane
ID PROTON-EXCHANGE MEMBRANES; ACID GROUPS; POLYMERS; SYSTEMS; PHENYL
AB New series of fully aromatic poly(ether ketone)s with a biphenyl pendant groups were synthesised. A direct comparison of sulphonation reaction among monophenylated poly(ether ether ketone) (Ph-PEEK), biphenylated poly(ether ether ketone) (BiPh-PEEK) and PEEK (Victrex) was thoroughly investigated. Several advantages of the pendant-phenyl poly(ether ketone)s compared with commercial PEEK were identified, including ready control over the site of sulphonation and degree of sulphonation (DS), and mild and rapid sulphonation. The basic membrane physical properties comprising of thermal and mechanical properties, dimensional stability and proton conductivity were studied. One new membrane, sulphonated biphenylated poly(ether ether ketone) (BiPh-SPEEKDK) having a good combination of membrane properties was fabricated into a membrane electrode assembly (MEA), and it showed excellent direct methanol fuel cell (DMFC) performance.
C1 [Liu, B.; Hu, W.; Jiang, Z.] Jilin Univ, Alan G MacDiarmid Inst, Changchun 130012, Peoples R China.
[Robertson, G. P.; Guiver, M. D.] Natl Res Council Canada, Inst Chem Proc & Environm Technol, Ottawa, ON K1A 0R6, Canada.
[Kim, Y. S.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Liu, B (reprint author), Jilin Univ, Alan G MacDiarmid Inst, Changchun 130012, Peoples R China.
EM liubj@jlu.edu.cn
RI Liu, Brian/A-5069-2013; Guiver, Michael/I-3248-2016
OI Guiver, Michael/0000-0003-2619-6809
FU National Natural Science Foundation of China [50973040]; Science and
Technology Development Plan of Jilin Province, China [20090322]; US DOE
FX Financial support for this project was provided by the National Natural
Science Foundation of China (no. 50973040) and the Science and
Technology Development Plan of Jilin Province, China (no. 20090322). Dr.
Yu Seung Kim thanks the US DOE Fuel Cell Technologies Program for
financial support.
NR 23
TC 11
Z9 11
U1 2
U2 24
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PO BOX 10 11 61, D-69451 WEINHEIM, GERMANY
SN 1615-6846
J9 FUEL CELLS
JI Fuel Cells
PD FEB
PY 2010
VL 10
IS 1
BP 45
EP 53
DI 10.1002/fuce.200900076
PG 9
WC Electrochemistry; Energy & Fuels
SC Electrochemistry; Energy & Fuels
GA 562GW
UT WOS:000275039100005
ER
PT J
AU Zhi, M
Cayan, FN
Celik, I
Gemmen, R
Pakalapati, SR
Wu, NQ
AF Zhi, M.
Cayan, F. N.
Celik, I.
Gemmen, R.
Pakalapati, S. R.
Wu, N. Q.
TI Temperature and Impurity Concentration Effects on Degradation of
Nickel/Yttria-stabilised Zirconia Anode in PH3-Containing Coal Syngas
SO FUEL CELLS
LA English
DT Article
DE Anode; Degradation; Durability; Impurity; Solid Oxide Fuel Cell
ID OXIDE FUEL-CELLS; NI/YSZ-CERMET; SOFC ANODES; OXIDATION; METHANE; GAS
AB Degradation of the Ni/yttria-stabilised zirconia (YSZ) anode of the solid oxide fuel cell has been evaluated in the coal syngas containing different PH3 concentrations in the temperature range from 750 to 900 degrees C. Thermodynamic equilibrium calculations show that PH3 in the coal syngas gas is converted Mostly to P2O3 at 750-900 degrees C. The phosphorous impurity reacts with the Ni-YSZ anode to form phosphates. The P-impurity poisoning leads to the deactivation of the Ni catalyst and to the reduction in the electronic conductivity of the anode. The impurity poisoning effect on the anode is exacerbated by increase in the temperature and/or the PH3 concentration.
C1 [Zhi, M.; Cayan, F. N.; Celik, I.; Pakalapati, S. R.; Wu, N. Q.] W Virginia Univ, Dept Mech & Aerosp Engn, Morgantown, WV 26506 USA.
[Gemmen, R.] US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA.
RP Wu, NQ (reprint author), W Virginia Univ, Dept Mech & Aerosp Engn, Morgantown, WV 26506 USA.
EM nick.wu@mail.wvu.edu
RI Zhi, Mingjia/A-6866-2010; Wu, Nianqiang/B-9798-2015
OI Zhi, Mingjia/0000-0002-4291-0809; Wu, Nianqiang/0000-0002-8888-2444
FU Office of Basic Energy Sciences of U.S. Department of Energy; National
Energy Technology Laboratory; WV State EPSCoR Office; West Virginia
University [DE-FG02-06ER46299]; NSF [EPS 0554328]
FX This work is jointly sponsored by the Office of Basic Energy Sciences of
U.S. Department of Energy, National Energy Technology Laboratory, WV
State EPSCoR Office and West Virginia University under the DOE EPSCoR
Program (DE-FG02-06ER46299). Dr. R. Bajura is the Administrative Manager
and Dr. I. Celik is the Technical Manager. The XPS used in this work is
in part supported by the NSF RII grant (EPS 0554328).
NR 32
TC 6
Z9 6
U1 0
U2 12
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1615-6846
J9 FUEL CELLS
JI Fuel Cells
PD FEB
PY 2010
VL 10
IS 1
BP 174
EP 180
DI 10.1002/fuce.200900016
PG 7
WC Electrochemistry; Energy & Fuels
SC Electrochemistry; Energy & Fuels
GA 562GW
UT WOS:000275039100022
ER
PT J
AU Fox, EB
Greenway, SD
Clark, EA
AF Fox, Elise B.
Greenway, Scott D.
Clark, Elliot A.
TI RADIATION STABILITY OF NAFION MEMBRANES USED FOR ISOTOPE SEPARATION BY
PROTON EXCHANGE MEMBRANE ELECTROLYSIS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article
DE proton exchange membrane electrolysis; radiation degradation; Nafion (R)
117
ID WATER DETRITIATION SYSTEM; DURABILITY; DEGRADATION; POLYMERS
AB Proton exchange membrane electrolyzers (PEMEs) have potential interest for use for hydrogen isotope separation from water. In order for PEMEs to be fully utilized, more information is needed on the stability of Nafion when exposed to radiation. This work examines Nafion 117 under varying total dosage and dose rate and in water or air. Analytical tools, such as infrared spectroscopy, ion exchange capacity, dynamic mechanical analysis, and total inorganic carbon-total organic carbon (TIC-TOC) were used to characterize the exposed membranes. The water from saturated membranes was analyzed by fluoride and sulfate emissions and TIC-TOC, which provided important data on the stability of the membranes during radiation exposure.
C1 [Fox, Elise B.; Greenway, Scott D.; Clark, Elliot A.] Savannah River Natl Lab, Aiken, SC 29808 USA.
RP Fox, EB (reprint author), Savannah River Natl Lab, Aiken, SC 29808 USA.
EM elise.fox@srnl.doe.gov
RI Greenway, Scott/A-8084-2011; Fox, Elise/G-5438-2013
OI Fox, Elise/0000-0002-4527-5820
FU Savannah River Site; U.S. Department of Energy [DE-AC09-08SR22470]
FX We wish to thank A. Ekechukwu and R. L. Rabun III. Additional thanks go
to K. White, F. Fondeur, and I White for analytical analysis assistance
and to G. Creech for membrane irradiation. This work was supported by
Savannah River Site plant-directed research and development programs.
This document was prepared in conjunction with work accomplished under
contract DE-AC09-08SR22470 with the U.S. Department of Energy.
NR 18
TC 3
Z9 3
U1 0
U2 8
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD FEB
PY 2010
VL 57
IS 2
BP 103
EP 111
PG 9
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 550MK
UT WOS:000274131800001
ER
PT J
AU Ongena, JPHE
Voitsekhovitch, I
Evrard, M
McCune, D
AF Ongena, J. P. H. E.
Voitsekhovitch, I.
Evrard, M.
McCune, D.
TI NUMERICAL TRANSPORT CODES
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 9th Carolus Magnus Summer School on Plasma and Fusions Energy Physics
CY AUG 31-SEP 11, 2009
CL Belgium, GERMANY
ID TRITIUM TRANSPORT; TOKAMAK; PLASMA
AB This paper gives a brief introduction on numerical transport codes. The relevant equations that are used in these codes are established, and on the basis of these equations, the necessary calculations needed to resolve them are pointed out. Finally, some examples are given, illustrating their application.
C1 [Ongena, J. P. H. E.; Evrard, M.] EURATOM, Ecole Royale Mil, Lab Phys Plasmas, B-1000 Brussels, Belgium.
[Voitsekhovitch, I.] EURATOM, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England.
[McCune, D.] Princeton Univ, Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
RP Ongena, JPHE (reprint author), EURATOM, Ecole Royale Mil, Lab Phys Plasmas, B-1000 Brussels, Belgium.
NR 24
TC 0
Z9 0
U1 2
U2 3
PU AMER NUCLEAR SOC
PI LA GRANGE PK
PA 555 N KENSINGTON AVE, LA GRANGE PK, IL 60526 USA
SN 1536-1055
J9 FUSION SCI TECHNOL
JI Fusion Sci. Technol.
PD FEB
PY 2010
VL 57
IS 2T
BP 381
EP 390
PG 10
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 592PS
UT WOS:000277392200041
ER
PT J
AU Shearer, CK
Burger, PV
Neal, C
Sharp, Z
Spivak-Birndorf, L
Borg, L
Fernandes, VA
Papike, JJ
Karner, J
Wadhwa, M
Gaffney, A
Shafer, J
Geissman, J
Atudorei, NV
Herd, C
Weiss, BP
King, PL
Crowther, SA
Gilmour, JD
AF Shearer, C. K.
Burger, P. V.
Neal, C.
Sharp, Z.
Spivak-Birndorf, L.
Borg, L.
Fernandes, V. A.
Papike, J. J.
Karner, J.
Wadhwa, M.
Gaffney, A.
Shafer, J.
Geissman, J.
Atudorei, N. -V.
Herd, C.
Weiss, B. P.
King, P. L.
Crowther, S. A.
Gilmour, J. D.
TI Non-basaltic asteroidal magmatism during the earliest stages of solar
system evolution: A view from Antarctic achondrites Graves Nunatak 06128
and 06129
SO GEOCHIMICA ET COSMOCHIMICA ACTA
LA English
DT Review
ID IONIZATION MASS-SPECTROMETER; OXYGEN-ISOTOPE RATIOS; LODRANITE PARENT
BODY; CORE FORMATION; I-XE; ORDINARY CHONDRITES; ACAPULCO METEORITE;
POLYMICT UREILITE; PLANETARY BASALTS; NATURAL GOETHITES
AB The recently recovered paired Antarctic achondrites Graves Nunatak 06128 and 06129 (GRA) are meteorites that represent unique high-temperature asteroidal processes that are identified in only a few other meteorites. The GRA meteorites contain high abundances of sodic plagioclase, relatively Fe-rich pyroxenes and olivine, abundant phosphates, and low temperature alteration. They represent products of very early planetesimal melting (4565.9 +/- 0.3 Ma) of an unsampled geochemical reservoir from an asteroid that has characteristics similar to the brachinite parent body. The magmatism represented by these meteorites is contrary to the commonly held belief that the earliest stages of melting on all planetary bodies during the first 2-30 Ma of solar system history were fundamentally basaltic in nature. These sodic plagioclase-rich rocks represent a series of early asteroidal high-temperature processes: (stage 1) melting and partial extraction of a low-temperature Fe-Ni-S melt, (stage 2) small degrees of disequilibrium partial melting of a sodium- or alkali-rich chondritic parent body with additional incorporation of Fe-Ni-S melt that was not fully extracted during stage 1, (stage 3) volatile-enhanced rapid extraction and emplacement of the Na-rich, high-normative plagioclase melt, (stage 4) final emplacement and accumulation of plagioclase and phosphates, (stage 5) subsolidus reequilibration of lithology between 962 and 600 degrees C at an fO(2) Of IW to IW + 1.1, and (stage 6) replacement of merrillite and pyroxene by Cl-apatite resulting from the interaction between magmatic minerals and a Cl-rich fluid/residuum melt. The subsolidus events started as early as 4561.1 Ma and may have continued for upwards of 144 million years.
The existence of assemblages similar to GRA on several other planetary bodies with different geochemical characteristics (ureilite, winonaites, IAB irons) implies that this type of early asteroidal melting was not rare. Whereas, eucrites and angrites represent extensive melting of a parent body with low concentrations of moderately-volatile elements, GRA represents low-degrees of melting of a parent body with chondritic abundances of moderately volatile elements. The interpretation of the low-temperature mineral assemblage is somewhat ambiguous. Textural features suggest multiple episodes of alteration. The earliest stage follows the interaction of magmatic assemblages with a Cl-rich fluid. The last episode of alteration appears to cross-cut the fusion crust and earlier stages or alteration. Stable isotopic measurements of the alteration can be interpreted as indicating that an extraterrestrial volatile component was preserved in GRA. (C) 2009 Elsevier Ltd. All rights reserved.
C1 [Shearer, C. K.; Burger, P. V.; Papike, J. J.; Karner, J.; King, P. L.] Univ New Mexico, Inst Meteorit, Dept Earth & Planetary Sci, Albuquerque, NM 87131 USA.
[Neal, C.; Shafer, J.] Univ Notre Dame, Dept Civil Eng & Geo Sci, Notre Dame, IN 46556 USA.
[Spivak-Birndorf, L.; Wadhwa, M.] Arizona State Univ, Sch Earth & Space Explorat, Tempe, AZ 85287 USA.
[Borg, L.; Gaffney, A.] Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USA.
[Fernandes, V. A.] Berkeley Geochronol Ctr, Berkeley, CA 94709 USA.
[Fernandes, V. A.] Univ Calif Berkeley, Dept Earth & Planetary Sci, Berkeley, CA 94720 USA.
[Herd, C.] Univ Alberta, Dept Earth & Atmospher Sci, Edmonton, AB T6G 2E1, Canada.
[Weiss, B. P.] MIT, Dept Earth Atmos & Planetary Sci, Cambridge, MA 02139 USA.
[Crowther, S. A.; Gilmour, J. D.] Univ Manchester, Sch Earth Atmospher & Environm Sci, Manchester M13 9PL, Lancs, England.
RP Shearer, CK (reprint author), Univ New Mexico, Inst Meteorit, Dept Earth & Planetary Sci, Albuquerque, NM 87131 USA.
EM cshearer@umn.edu
RI Gilmour, Jamie/G-7515-2011; Fernandes, Vera/B-4653-2013; Gaffney,
Amy/F-8423-2014; Crowther, Sarah/P-7082-2014; King,
Penelope/A-1791-2011;
OI Gilmour, Jamie/0000-0003-1990-8636; Fernandes, Vera/0000-0003-0848-9229;
Gaffney, Amy/0000-0001-5714-0029; King, Penelope/0000-0002-8364-9168;
Crowther, Sarah/0000-0002-5396-1775
FU NASA, Cosmochemistry
FX The first author wishes to thank every member of the consortium for
making significant contributions in providing the varied types of data
within the paper and the interpretation of their data. The first author
assumes sole responsibility for any misinterpretation in the process of
combining these varied data sets in an attempt of placing the data
within the context of coherent conclusions. Further, the consortium
provided more data and images than could possibly be incorporated into
this paper. I apologize if your effort and vision was not completely
incorporated into the paper. The consortium also thank the Sasha Krot
(AE) for his prompt handing of the paper and providing coherent
instructions on making this paper better. The reviewers (Jeff Taylor,
Mac Rutherford, and Christina Floss) provided invaluable insights that
were missed by the first author in the initial draft. Finally, the
consortium members also acknowledge their institutions and funding
sources (NASA, Cosmochemistry program) for their support.
NR 110
TC 33
Z9 33
U1 3
U2 20
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0016-7037
J9 GEOCHIM COSMOCHIM AC
JI Geochim. Cosmochim. Acta
PD FEB 1
PY 2010
VL 74
IS 3
BP 1172
EP 1199
DI 10.1016/j.gca.2009.10.029
PG 28
WC Geochemistry & Geophysics
SC Geochemistry & Geophysics
GA 546BC
UT WOS:000273781100023
ER
PT J
AU Akatov, AA
Nikonov, BS
Omel'yanenko, BI
Stefanovskaya, OI
Stefanovsky, SV
Suntsov, DY
Marra, JC
AF Akatov, A. A.
Nikonov, B. S.
Omel'yanenko, B. I.
Stefanovskaya, O. I.
Stefanovsky, S. V.
Suntsov, D. Yu.
Marra, J. C.
TI Influence of the content of a surrogate of iron aluminate high-level
wastes on the phase composition and structure of glassy materials for
their immobilization
SO GLASS PHYSICS AND CHEMISTRY
LA English
DT Article
DE radioactive wastes; materials for burial; alkali borosilicate glasses
ID VITRIFICATION
AB Alkali borosilicate glassy materials with high iron and aluminum oxide concentrations, which simulate vitrified high-level wastes from the Savannah River Site (United States) at their content ranging from 50 to 70 wt %, have been investigated using X-ray powder diffraction, optical and electron microscopy, and infrared spectroscopy. Quenched and slowly cooled samples containing 50 wt % wastes are glasses. Samples containing 60 and 70 wt % wastes, which were quenched on a metal slab, are predominantly glasses with an insignificant content of the spinel formed in a trevorite-magnetite solid solution. The slowly cooled samples also contain nepheline, and its amount increases with an increase in the waste content in the glassy materials.
C1 [Akatov, A. A.] Tech Univ, St Petersburg State Technol Inst, St Petersburg 198013, Russia.
[Nikonov, B. S.; Omel'yanenko, B. I.] Russian Acad Sci, Inst Geol Ore Deposits Petrog Mineral & Geochem I, Moscow 119017, Russia.
[Stefanovskaya, O. I.; Stefanovsky, S. V.; Suntsov, D. Yu.] State Unitary Enterprise City Moscow, United Ecol Technol & Res Ctr RAW Conditioning &, Moscow 119121, Russia.
[Marra, J. C.] Savannah River Natl Lab, Aiken, SC 29808 USA.
RP Akatov, AA (reprint author), Tech Univ, St Petersburg State Technol Inst, Moskovskii Pr 26, St Petersburg 198013, Russia.
EM profstef@mtu-net.ru
RI Akatov, Andrey/H-5893-2016
OI Akatov, Andrey/0000-0002-1453-5837
NR 17
TC 5
Z9 5
U1 0
U2 5
PU MAIK NAUKA/INTERPERIODICA/SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013-1578 USA
SN 1087-6596
J9 GLASS PHYS CHEM+
JI Glass Phys. Chem.
PD FEB
PY 2010
VL 36
IS 1
BP 45
EP 52
DI 10.1134/S1087659610010098
PG 8
WC Materials Science, Ceramics
SC Materials Science
GA 567QF
UT WOS:000275461000009
ER
PT J
AU Hollinger, DY
Ollinger, SV
Richardson, AD
Meyers, TP
Dail, DB
Martin, ME
Scott, NA
Arkebauer, TJ
Baldocchi, DD
Clark, KL
Curtis, PS
Davis, KJ
Desai, AR
Dragoni, D
Goulden, ML
Gu, L
Katul, GG
Pallardy, SG
Paw, KT
Schmid, HP
Stoy, PC
Suyker, AE
Verma, SB
AF Hollinger, D. Y.
Ollinger, S. V.
Richardson, A. D.
Meyers, T. P.
Dail, D. B.
Martin, M. E.
Scott, N. A.
Arkebauer, T. J.
Baldocchi, D. D.
Clark, K. L.
Curtis, P. S.
Davis, K. J.
Desai, A. R.
Dragoni, D.
Goulden, M. L.
Gu, L.
Katul, G. G.
Pallardy, S. G.
Paw U, K. T.
Schmid, H. P.
Stoy, P. C.
Suyker, A. E.
Verma, S. B.
TI Albedo estimates for land surface models and support for a new paradigm
based on foliage nitrogen concentration
SO GLOBAL CHANGE BIOLOGY
LA English
DT Article
DE albedo; nitrogen; vegetation
ID CANOPY REFLECTANCE; BIOSPHERE MODEL; CARBON-DIOXIDE; PHOTOSYNTHETIC
RATE; DECIDUOUS FOREST; CLIMATE-CHANGE; ENERGY FLUXES; BOREAL FOREST;
UNITED-STATES; LEAF NITROGEN
AB Vegetation albedo is a critical component of the Earth's climate system, yet efforts to evaluate and improve albedo parameterizations in climate models have lagged relative to other aspects of model development. Here, we calculated growing season albedos for deciduous and evergreen forests, crops, and grasslands based on over 40 site-years of data from the AmeriFlux network and compared them with estimates presently used in the land surface formulations of a variety of climate models. Generally, the albedo estimates used in land surface models agreed well with this data compilation. However, a variety of models using fixed seasonal estimates of albedo overestimated the growing season albedo of northerly evergreen trees. In contrast, climate models that rely on a common two-stream albedo submodel provided accurate predictions of boreal needle-leaf evergreen albedo but overestimated grassland albedos. Inverse analysis showed that parameters of the two-stream model were highly correlated. Consistent with recent observations based on remotely sensed albedo, the AmeriFlux dataset demonstrated a tight linear relationship between canopy albedo and foliage nitrogen concentration (for forest vegetation: albedo=0.01+0.071%N, r2=0.91; forests, grassland, and maize: albedo=0.02+0.067%N, r2=0.80). However, this relationship saturated at the higher nitrogen concentrations displayed by soybean foliage. We developed similar relationships between a foliar parameter used in the two-stream albedo model and foliage nitrogen concentration. These nitrogen-based relationships can serve as the basis for a new approach to land surface albedo modeling that simplifies albedo estimation while providing a link to other important ecosystem processes.
C1 [Hollinger, D. Y.] US Forest Serv, No Res Stn, USDA, Durham, NH 03824 USA.
[Ollinger, S. V.; Richardson, A. D.; Martin, M. E.] Univ New Hampshire, Inst Earth Oceans & Space, Complex Syst Res Ctr, Durham, NH 03824 USA.
[Meyers, T. P.] ATDD, ARL, NOAA, Oak Ridge, TN USA.
[Dail, D. B.] Univ Maine, Dept Plant Soil & Environm Sci, Orono, ME USA.
[Scott, N. A.] Queens Univ, Dept Geog, Kingston, ON K7L 3N6, Canada.
[Arkebauer, T. J.] Univ Nebraska, Dept Agron & Hort, Lincoln, NE USA.
[Baldocchi, D. D.] Univ Calif Berkeley, Dept Environm Sci Policy & Management, Berkeley, CA 94720 USA.
[Clark, K. L.] US Forest Serv, No Res Stn, USDA, Silas Little, NJ USA.
[Curtis, P. S.] Ohio State Univ, Dept Ecol Evolut & Organismal Biol, Columbus, OH 43210 USA.
[Davis, K. J.] Penn State Univ, Dept Meteorol, University Pk, PA 16802 USA.
[Desai, A. R.] Univ Wisconsin, Atmospher & Ocean Sci Dept, Madison, WI USA.
[Dragoni, D.] Indiana Univ, Dept Geog, Bloomington, IN 47405 USA.
[Goulden, M. L.] Univ Calif Irvine, Dept Earth Syst Sci, Irvine, CA USA.
[Gu, L.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Katul, G. G.] Duke Univ, Nicholas Sch Environm & Earth Sci, Durham, NC USA.
[Pallardy, S. G.] Univ Missouri, Sch Nat Resources, Columbia, MO USA.
[Paw U, K. T.] Univ Calif Davis, Dept Land Air & Water Resources, Davis, CA 95616 USA.
[Schmid, H. P.] IFU, FZK IMK, Inst Meteorol & Climate Res, Garmisch Partenkirchen, Germany.
[Stoy, P. C.] Univ Edinburgh, Sch Geosci, Edinburgh EH9 3JN, Midlothian, Scotland.
[Suyker, A. E.; Verma, S. B.] Univ Nebraska, Sch Nat Resources, Lincoln, NE USA.
RP Hollinger, DY (reprint author), US Forest Serv, No Res Stn, USDA, 271 Mast Rd, Durham, NH 03824 USA.
EM dhollinger@fs.fed.us
RI Gu, Lianhong/H-8241-2014; Ollinger, Scott/N-3380-2014; Meyers,
Tilden/C-6633-2016; Stoy, Paul/D-3709-2011; Katul, Gabriel/A-7210-2008;
Richardson, Andrew/F-5691-2011; Goulden, Michael/B-9934-2008; Hollinger,
David/G-7185-2012; Schmid, Hans Peter/I-1224-2012; Garmisch-Pa,
Ifu/H-9902-2014; Desai, Ankur/A-5899-2008; Baldocchi, Dennis/A-1625-2009
OI Gu, Lianhong/0000-0001-5756-8738; Ollinger, Scott/0000-0001-6226-1431;
Stoy, Paul/0000-0002-6053-6232; Katul, Gabriel/0000-0001-9768-3693;
Richardson, Andrew/0000-0002-0148-6714; Schmid, Hans
Peter/0000-0001-9076-4466; Desai, Ankur/0000-0002-5226-6041; Baldocchi,
Dennis/0000-0003-3496-4919
FU Office of Science (BER), US Department of Energy, Interagency Agreement
[DE-AI02-07ER64355]; NASA's Carbon Cycle Science Program;
Interdisciplinary Science Program; USDA Forest Service Northern Research
Station
FX We thank the Northeast Wilderness Trust and GMO, LLC for providing
access to the research site in Howland, Maine. This research was
supported by the Office of Science (BER), US Department of Energy,
Interagency Agreement No. DE-AI02-07ER64355, and NASA's Carbon Cycle
Science Program and Interdisciplinary Science Program with contributions
from the Harvard Forest and Hubbard Brook Long-Term Ecological Research
programs and the USDA Forest Service Northern Research Station.
NR 75
TC 64
Z9 65
U1 4
U2 74
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1354-1013
J9 GLOBAL CHANGE BIOL
JI Glob. Change Biol.
PD FEB
PY 2010
VL 16
IS 2
BP 696
EP 710
DI 10.1111/j.1365-2486.2009.02028.x
PG 15
WC Biodiversity Conservation; Ecology; Environmental Sciences
SC Biodiversity & Conservation; Environmental Sciences & Ecology
GA 554EX
UT WOS:000274419400017
ER
PT J
AU Farr, CP
Alecksen, TJ
Heronimus, RS
Simonds, MH
Farrar, DR
Miller, ML
Baker, KR
AF Farr, C. P.
Alecksen, T. J.
Heronimus, R. S.
Simonds, M. H.
Farrar, D. R.
Miller, M. L.
Baker, K. R.
TI Recovery of Depleted Uranium Fragments from Soil
SO HEALTH PHYSICS
LA English
DT Article
DE operational topic; decontamination; detection limits; uranium, depleted
AB A "proof of concept" was conducted to determine the effectiveness of a survey method for cost-effective recovery of depleted uranium (DU) fragments from contaminated soil piles at Sandia National Laboratories. First, DU fragments ranging from less than a gram up to 48 g were covered by various thicknesses of soil and used for detector efficiency measurements. The efficiencies were measured for three different sodium iodide detectors: a 5.1-cm by 5.1-cm (2-inch by 2-inch) detector, a 7.6-cm by 7.6-cm (3-inch by 3-inch) detector, and a Field Instrument for the Detection of Low Energy Radiation (FIDLER) detector. The FIDLER detector was found to be superior to the other detectors in each measurement. Next, multiple 7.6-cm (3-inch) layers of soil, taken from the contaminated piles, were applied to a clean pad of soil. Each layer was scanned by an array of eight FIDLER detectors pulled by a tractor. The array, moving 10.2 to 12.7 cm s(-1) (4 to 5 inches per second), automatically recorded radiation count data along with associated detector coordinates at 3-s intervals. The DU fragments were located and identified with a handheld system consisting of a FIDLER detector and a positioning system and then removed. After DU removal, the affected areas were re-scanned and a new lift of contaminated soil was applied. The detection capability of the system as a function of DU fragment mass and burial depth was modeled and determined to be sufficient to ensure that the dose-based site concentration goals would be met. Finally, confirmation soil samples were taken from random locations and from decontaminated soil areas. All samples had concentrations of U-238 that met the goal of 400-500 pCi g(-1). Health Phys. 98(Supplement 1):S6-S11; 2010
C1 [Farr, C. P.; Alecksen, T. J.; Heronimus, R. S.; Simonds, M. H.; Farrar, D. R.; Baker, K. R.] Environm Restorat Grp Inc, Albuquerque, NM 87113 USA.
[Miller, M. L.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Farr, CP (reprint author), Environm Restorat Grp Inc, 8809 Washington St NE,Suite 150, Albuquerque, NM 87113 USA.
EM KenBaker@ERGoffice.coni
NR 2
TC 1
Z9 1
U1 3
U2 7
PU LIPPINCOTT WILLIAMS & WILKINS
PI PHILADELPHIA
PA 530 WALNUT ST, PHILADELPHIA, PA 19106-3621 USA
SN 0017-9078
EI 1538-5159
J9 HEALTH PHYS
JI Health Phys.
PD FEB
PY 2010
VL 98
IS 2
SU S
BP S6
EP S11
PG 6
WC Environmental Sciences; Public, Environmental & Occupational Health;
Nuclear Science & Technology; Radiology, Nuclear Medicine & Medical
Imaging
SC Environmental Sciences & Ecology; Public, Environmental & Occupational
Health; Nuclear Science & Technology; Radiology, Nuclear Medicine &
Medical Imaging
GA 542RN
UT WOS:000273512800003
PM 20065668
ER
PT J
AU O'Connell, P
Rabovsky, J
Foulke, J
AF O'Connell, Peter
Rabovsky, Joel
Foulke, Judith
TI Evaluation of Radiological Versus Chemical Toxicity Limits for Varying
Enrichments of Uranium for Department of Energy Facilities
SO HEALTH PHYSICS
LA English
DT Article
DE operational topic; radiation protections; risk analysis; uranium
AB On 8 June 2007, the Department of Energy amended its occupational radiation protection rule Title 10 Code of Federal Regulations Part 835, Occupational Radiation Protection. The Department of Energy revised the radiation weighting factors, tissue weighting factors, and most of the dosimetric terms used in Title 10 Code of Federal Regulations Part 835 to reflect the recommendations for assessing dose and associated terminology from ICRP Publication 60, 1990 Recommendations of the ICRP on Radiological Protection. In support of the amendment, the Department of Energy is revising its guidance documents on evaluation of radiological vs. chemical toxicity limits for varying enrichments of uranium. The revised guidance is based on the updated dosimetric models and provides a useful tool for evaluating when either radiological or chemical toxicity concerns are more limiting. Health Phys. 98(Supplement 1):S17-S21; 2010
C1 [O'Connell, Peter; Rabovsky, Joel; Foulke, Judith] US DOE, Off Hlth & Safety HS10, Washington, DC 20585 USA.
RP O'Connell, P (reprint author), US DOE, Off Hlth & Safety HS10, 1000 Independence Ave SW, Washington, DC 20585 USA.
EM peter.o'connell@hq.doe.gov
NR 10
TC 0
Z9 0
U1 0
U2 2
PU LIPPINCOTT WILLIAMS & WILKINS
PI PHILADELPHIA
PA 530 WALNUT ST, PHILADELPHIA, PA 19106-3621 USA
SN 0017-9078
EI 1538-5159
J9 HEALTH PHYS
JI Health Phys.
PD FEB
PY 2010
VL 98
IS 2
SU S
BP S17
EP S21
PG 5
WC Environmental Sciences; Public, Environmental & Occupational Health;
Nuclear Science & Technology; Radiology, Nuclear Medicine & Medical
Imaging
SC Environmental Sciences & Ecology; Public, Environmental & Occupational
Health; Nuclear Science & Technology; Radiology, Nuclear Medicine &
Medical Imaging
GA 542RN
UT WOS:000273512800005
PM 20065666
ER
PT J
AU Wendt, K
Gottwald, T
Hanstorp, D
Mattolat, C
Raeder, S
Rothe, S
Schwellnus, F
Havener, C
Lassen, J
Liu, Y
AF Wendt, Klaus
Gottwald, Tina
Hanstorp, Dag
Mattolat, Christoph
Raeder, Sebastian
Rothe, Sebastian
Schwellnus, Fabio
Havener, Charles
Lassen, Jens
Liu, Yuan
TI The selective and efficient laser ion source and trap project LIST for
on-line production of exotic nuclides
SO HYPERFINE INTERACTIONS
LA English
DT Proceedings Paper
CT 8th International Workshop on Application of Lasers and Storage Devices
in Atomic Nuclei Research - Recent Achievements and Future Prospects
(LASER 2009)
CY JUN 22-25, 2009
CL Poznan, POLAND
SP Flerov Lab Nucl React, Joint Inst Nucl Res Dubna, Adam Mickiewicz Univ, Fac Phys
DE Resonance ionization spectroscopy; Laser ion source; Radioisotopes; Ion
trap
ID OFF-LINE; IONIZATION; SPECTROSCOPY; RESONANCE; FACILITY; TRIUMF; NI; GE
AB Laser ion sources based on resonant excitation and ionization of atoms are well-established tools for selective and efficient production of radioactive ion beams. A recent trend is the complementary installation of reliable state-of-the-art all solid-state Ti:Sapphire laser systems. To date, 35 elements of the Periodic Table are available at laser ion sources by using these novel laser systems, which complements the overall accessibility to 54 elements including use of traditional dye lasers. Recent progress in the field concerns the identification of suitable optical excitation schemes for Ti: Sapphire laser excitation as well as technical developments of the source in respect to geometry, cavity material as well as by incorporation of an ion guide system in the form of the laser ion source trap LIST.
C1 [Wendt, Klaus; Gottwald, Tina; Mattolat, Christoph; Raeder, Sebastian; Schwellnus, Fabio] Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany.
[Hanstorp, Dag] Gothenburg Univ, Dept Phys, S-41296 Gothenburg, Sweden.
[Rothe, Sebastian] CERN, CH-1211 Geneva 23, Switzerland.
[Havener, Charles; Liu, Yuan] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA.
[Lassen, Jens] TRIUMF, ISAC Div, Vancouver, BC V6T 2A3, Canada.
RP Wendt, K (reprint author), Johannes Gutenberg Univ Mainz, Inst Phys, Staudinger Weg 7, D-55128 Mainz, Germany.
EM Klaus.wendt@uni-mainz.de
NR 24
TC 4
Z9 4
U1 0
U2 2
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0304-3843
J9 HYPERFINE INTERACT
JI Hyperfine Interact.
PD FEB
PY 2010
VL 196
IS 1-3
BP 151
EP 160
DI 10.1007/s10751-010-0156-9
PG 10
WC Physics, Atomic, Molecular & Chemical; Physics, Condensed Matter;
Physics, Nuclear
SC Physics
GA 068HY
UT WOS:000313358300015
ER
PT J
AU Savard, G
AF Savard, Guy
CA CPT Collaboration
TI Report on recent activities at the CPT mass spectrometer
SO HYPERFINE INTERACTIONS
LA English
DT Proceedings Paper
CT 8th International Workshop on Application of Lasers and Storage Devices
in Atomic Nuclei Research - Recent Achievements and Future Prospects
(LASER 2009)
CY JUN 22-25, 2009
CL Poznan, POLAND
SP Flerov Lab Nucl React, Joint Inst Nucl Res Dubna, Adam Mickiewicz Univ, Fac Phys
DE Mass-spectrometry; Canadian Penning Trap (CPT) mass spectrometer;
Astrophysical rp-process; Cf-252 source
AB The present report gives a short summary of current work at the CPT mass spectrometer and provides a list of recent references for work published in the last few years.
C1 [Savard, Guy] Argonne Natl Lab, Argonne, IL 60439 USA.
[Savard, Guy] Univ Chicago, Dept Phys, Chicago, IL 60637 USA.
RP Savard, G (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM savard@anl.gov
NR 9
TC 2
Z9 2
U1 0
U2 1
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0304-3843
J9 HYPERFINE INTERACT
JI Hyperfine Interact.
PD FEB
PY 2010
VL 196
IS 1-3
BP 205
EP 207
DI 10.1007/s10751-010-0159-6
PG 3
WC Physics, Atomic, Molecular & Chemical; Physics, Condensed Matter;
Physics, Nuclear
SC Physics
GA 068HY
UT WOS:000313358300021
ER
PT J
AU Block, M
Ackermann, D
Blaum, K
Droese, C
Dworschak, M
Eibach, M
Eliseev, S
Fleckenstein, T
Haettner, E
Herfurth, F
Hessberger, FP
Hofmann, S
Ketelaer, J
Ketter, J
Kluge, HJ
Marx, G
Mazzocco, M
Novikov, YN
Plass, WR
Popeko, A
Rahaman, S
Rodriguez, D
Scheidenberger, C
Schweikhard, L
Thirolf, PG
Vorobyev, GK
Weber, C
AF Block, M.
Ackermann, D.
Blaum, K.
Droese, C.
Dworschak, M.
Eibach, M.
Eliseev, S.
Fleckenstein, T.
Haettner, E.
Herfurth, F.
Hessberger, F. P.
Hofmann, S.
Ketelaer, J.
Ketter, J.
Kluge, H. -J.
Marx, G.
Mazzocco, M.
Novikov, Yu. N.
Plass, W. R.
Popeko, A.
Rahaman, S.
Rodriguez, D.
Scheidenberger, C.
Schweikhard, L.
Thirolf, P. G.
Vorobyev, G. K.
Weber, C.
TI Penning trap mass measurements of transfermium elements with SHIPTRAP
SO HYPERFINE INTERACTIONS
LA English
DT Proceedings Paper
CT 8th International Workshop on Application of Lasers and Storage Devices
in Atomic Nuclei Research - Recent Achievements and Future Prospects
(LASER 2009)
CY JUN 22-25, 2009
CL Poznan, POLAND
SP Flerov Lab Nucl React, Joint Inst Nucl Res Dubna, Adam Mickiewicz Univ, Fac Phys
DE Penning trap mass spectrometer; Transactinides; Superheavy elements
ID NUCLEI
AB Penning traps are widely used for high-precision mass measurements of radionuclides related to nuclear astrophysics studies and the evolution of nuclear structure far away from stability. With the stopping of secondary beams in gas cells together with advanced ion-beam manipulation techniques their reach has been extended to rare isotopes of essentially all elements. The Penning trap mass spectrometer SHIPTRAP at GSI Darmstadt has recently demonstrated that even high-precision mass measurements of transfermium elements can be performed despite low production rates of only about one particle per second. This important milestone opens new perspectives for the study of superheavy elements with ion traps.
C1 [Block, M.; Ackermann, D.; Dworschak, M.; Herfurth, F.; Hessberger, F. P.; Hofmann, S.; Kluge, H. -J.; Novikov, Yu. N.; Scheidenberger, C.; Vorobyev, G. K.] GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany.
[Blaum, K.; Eliseev, S.; Ketter, J.] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany.
[Droese, C.; Marx, G.; Schweikhard, L.] Ernst Moritz Arndt Univ Greifswald, D-17489 Greifswald, Germany.
[Eibach, M.; Ketelaer, J.] Johannes Gutenberg Univ Mainz, D-55128 Mainz, Germany.
[Fleckenstein, T.; Haettner, E.; Plass, W. R.; Scheidenberger, C.] Univ Giessen, D-35390 Giessen, Germany.
[Mazzocco, M.] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy.
[Mazzocco, M.] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy.
[Novikov, Yu. N.] PNPI RAS, Gatchina 188300, Leningrad Distr, Russia.
[Popeko, A.] JINR, Flerov Lab Nucl React, Dubna 141980, Russia.
[Rahaman, S.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Rodriguez, D.] Univ Granada, Dept FAMN, E-18071 Granada, Spain.
[Thirolf, P. G.; Weber, C.] Univ Munich, D-85748 Garching, Germany.
RP Block, M (reprint author), GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany.
EM m.block@gsi.de
RI Block, Michael/I-2782-2015; Novikov, Iurii/M-7784-2013
OI Block, Michael/0000-0001-9282-8347; Novikov, Iurii/0000-0002-5369-7142
NR 16
TC 1
Z9 1
U1 0
U2 0
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0304-3843
J9 HYPERFINE INTERACT
JI Hyperfine Interact.
PD FEB
PY 2010
VL 196
IS 1-3
BP 225
EP 231
DI 10.1007/s10751-010-0161-z
PG 7
WC Physics, Atomic, Molecular & Chemical; Physics, Condensed Matter;
Physics, Nuclear
SC Physics
GA 068HY
UT WOS:000313358300025
ER
PT J
AU Cekic, B
Umicevic, A
Ivanovski, V
Belosevic-Cavor, J
Koteski, V
Hu, RW
Petrovic, C
AF Cekic, Bozidar
Umicevic, A.
Ivanovski, V.
Belosevic-Cavor, J.
Koteski, V.
Hu, Rongwei
Petrovic, C.
TI Thermal evolution of the electric field gradient at Ta-181 in alpha HfNi
SO HYPERFINE INTERACTIONS
LA English
DT Proceedings Paper
CT 8th International Workshop on Application of Lasers and Storage Devices
in Atomic Nuclei Research - Recent Achievements and Future Prospects
(LASER 2009)
CY JUN 22-25, 2009
CL Poznan, POLAND
SP Flerov Lab Nucl React, Joint Inst Nucl Res Dubna, Adam Mickiewicz Univ, Fac Phys
DE HfNi; Electric field gradient; PAC; APW plus lo
ID INTERMETALLIC COMPOUNDS; HYDROGEN ABSORPTION; MOSSBAUER; HYDRIDES;
SORPTION; PHASE; HF2NI
AB The perturbed angular correlation method has been employed to study the temperature dependence of the Ta-181 hyperfine interaction parameters in the poly-crystalline intermetallic compound alpha HfNi. At ambient temperature the frequency of the electric quadrupole interaction was omega(Q) = 26.0(2) Mrad/s and the asymmetry parameter eta = 0.22(1). The magnitude of the observed electric field gradient decreases with increasing temperature from 78 to 900 K. The calculations were done using the augmented plane wave plus local orbitals method as implemented in the WIEN2k code, using the generalized gradient approximation. In addition, a supercell calculation with Ta impurity located at the hafnium site was performed. The obtained result is in a good agreement with the experiment.
C1 [Cekic, Bozidar; Umicevic, A.; Ivanovski, V.; Belosevic-Cavor, J.; Koteski, V.] Inst Nucl Sci Vinca, Lab Nucl & Plasma Phys, Belgrade 11001, Serbia.
[Hu, Rongwei; Petrovic, C.] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA.
[Hu, Rongwei] Brown Univ, Dept Phys, Providence, RI 02912 USA.
RP Cekic, B (reprint author), Inst Nucl Sci Vinca, Lab Nucl & Plasma Phys, POB 522, Belgrade 11001, Serbia.
EM cekic@vinca.rs
RI Petrovic, Cedomir/A-8789-2009
OI Petrovic, Cedomir/0000-0001-6063-1881
NR 19
TC 1
Z9 1
U1 0
U2 1
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0304-3843
J9 HYPERFINE INTERACT
JI Hyperfine Interact.
PD FEB
PY 2010
VL 196
IS 1-3
BP 339
EP 347
DI 10.1007/s10751-009-0135-1
PG 9
WC Physics, Atomic, Molecular & Chemical; Physics, Condensed Matter;
Physics, Nuclear
SC Physics
GA 068HY
UT WOS:000313358300034
ER
PT J
AU Solontoi, M
Ivezic, Z
West, AA
Claire, M
Juric, M
Becker, A
Jones, L
Hall, PB
Kent, S
Lupton, RH
Knapp, GR
Quinn, T
Gunn, JE
Schneider, D
Loomis, C
AF Solontoi, Michael
Ivezic, Zeljko
West, Andrew A.
Claire, Mark
Juric, Mario
Becker, Andrew
Jones, Lynne
Hall, Patrick B.
Kent, Steve
Lupton, Robert H.
Knapp, Gillian R.
Quinn, Tom
Gunn, James E.
Schneider, Don
Loomis, Craig
TI Detecting active comets in the SDSS
SO ICARUS
LA English
DT Article
DE Comets; Photometry; Comets, Coma
ID DIGITAL SKY SURVEY; JUPITER-FAMILY COMETS; DATA RELEASE; DISTANT COMETS;
CCD PHOTOMETRY; ENSEMBLE PROPERTIES; TROJAN ASTEROIDS; TELESCOPE;
SYSTEM; CATALOG
AB Using a sample of serendipitously discovered active comets in the Sloan Digital Sky Survey (SDSS), we develop well-controlled selection criteria for greatly increasing the efficiency of comet identification in the SDSS catalogs. After follow-up visual inspection of images to reject remaining false positives, the total sample of SDSS comets presented here contains 19 objects, roughly one comet per 10 million other SDSS objects. The good understanding of selection effects allows a study of the population statistics, and we estimate the apparent magnitude distribution to r similar to 18, the ecliptic latitude distribution, and the comet distribution in SDSS color space. The most surprising results are the extremely narrow range of colors for comets in our sample (e.g. root-mean-square scatter of only similar to 0.06 mag for the g - r color), and the similarity of comet colors to those of jovian Trojans. We discuss the relevance of our results for upcoming deep multi-epoch optical surveys such as the Dark Energy Survey, Pan-STARRS, and the Large Synoptic Survey Telescope (LSST), and estimate that LSST may produce a sample of about 10,000 comets over its 10-year lifetime. (C) 2009 Elsevier Inc. All rights reserved.
C1 [Solontoi, Michael; Ivezic, Zeljko; Claire, Mark; Becker, Andrew; Jones, Lynne; Quinn, Tom] Univ Washington, Dept Astron, Seattle, WA 98195 USA.
[West, Andrew A.] MIT, Kavli Inst Astrophys & Space Res, Cambridge, MA 02139 USA.
[Juric, Mario; Lupton, Robert H.; Knapp, Gillian R.; Gunn, James E.; Loomis, Craig] Princeton Univ Observ, Princeton, NJ 08544 USA.
[Hall, Patrick B.] York Univ, Dept Phys & Astron, N York, ON M3J 1P3, Canada.
[Kent, Steve] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Schneider, Don] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA.
RP Solontoi, M (reprint author), Univ Washington, Dept Astron, Box 351580, Seattle, WA 98195 USA.
EM solontoi@astro.washington.edu
RI West, Andrew/H-3717-2014
FU Alfred P. Sloan Foundation; American Museum of Natural History;
Astrophysical Institute Potsdam; University of Basel; University of
Cambridge; Case Western Reserve University; University of Chicago;
Drexel University; Fermilab; Institute for Advanced Study; Japan
Participation Group; Johns Hopkins University; Joint Institute for
Nuclear Astrophysics; Kavli Institute for Particle Astrophysics and
Cosmology; Korean Scientist Group; Chinese Academy of Sciences (LAMOST);
Los Alamos National Laboratory; Max-Planck-Institute for Astronomy
(MPIA); Max-Planck-Institute for Astrophysics (MPA); New Mexico State
University; Ohio State University; University of Pittsburgh; University
of Portsmouth; Princeton University; United States Naval Observatory;
University of Washington; National Science Foundation; US Department of
Energy; National Aeronautics and Space Administration; Japanese
Monbukagakusho; Max Planck Society; Higher Education Funding Council for
England
FX Funding for the SDSS and SDSS-II has been provided by the Alfred P.
Sloan Foundation, the Participating Institutions, the National Science
Foundation, the US Department of Energy, the National Aeronautics and
Space Administration, the Japanese Monbukagakusho, the Max Planck
Society, and the Higher Education Funding Council for England. The SDSS
Web Site is http://www.sdss.org/.; The SDSS is managed by the
Astrophysical Research Consortium for the Participating Institutions.
The Participating Institutions are the American Museum of Natural
History, Astrophysical Institute Potsdam, University of Basel,
University of Cambridge, Case Western Reserve University, University of
Chicago, Drexel University, Fermilab, the Institute for Advanced Study,
the Japan Participation Group, Johns Hopkins University, the Joint
Institute for Nuclear Astrophysics, the Kavli Institute for Particle
Astrophysics and Cosmology, the Korean Scientist Group, the Chinese
Academy of Sciences (LAMOST), Los Alamos National Laboratory, the
Max-Planck-Institute for Astronomy (MPIA), the Max-Planck-Institute for
Astrophysics (MPA), New Mexico State University, Ohio State University,
University of Pittsburgh, University of Portsmouth, Princeton
University, the United States Naval Observatory, and the University of
Washington.; The authors would also like to thank the two anonymous
referees for their comments on this work.
NR 37
TC 6
Z9 6
U1 0
U2 3
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0019-1035
J9 ICARUS
JI Icarus
PD FEB
PY 2010
VL 205
IS 2
BP 605
EP 618
DI 10.1016/j.icarus.2009.07.042
PG 14
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 556OB
UT WOS:000274599400022
ER
PT J
AU Moses, RW
Cai, DM
AF Moses, Ronald W., Jr.
Cai, D. Michael
TI Efficient Numerical Modal Solutions for RF Propagation in Lossy Circular
Waveguides
SO IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
LA English
DT Article
DE Electromagnetic; propagation; tunnels; waveguides
ID TUNNELS
AB The propagation of electromagnetic waves is reconsidered in the context of cylindrical tunnels through material of uniform electrical properties. In the absence of internal conductors, the wave solutions reduce to well-known analytic expressions, requiring the solution of a single transcendental equation in complex phase space. Any given tunnel configuration has a wide range of solutions in phase and frequency space. Identifying these solutions can be a significant numerical challenge. Both the Newton-Raphson method and the winding number technique have been described in previous publications, and each can be prone to missing solutions. This paper reviews these two solution techniques and develops a combination of the two to provide a fast and efficient procedure for locating the roots in well-defined regions of phase space.
C1 [Moses, Ronald W., Jr.; Cai, D. Michael] Los Alamos Natl Lab, Space Data Syst Grp, Los Alamos, NM 87545 USA.
RP Moses, RW (reprint author), Los Alamos Natl Lab, Space Data Syst Grp, Los Alamos, NM 87545 USA.
EM rwmoses@earthlink.net
FU DOE Nonproliferation and Verification RD Office [NA-22]
FX This work was supported by the DOE Nonproliferation and Verification R&D
Office (NA-22).
NR 7
TC 3
Z9 3
U1 0
U2 0
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0018-926X
J9 IEEE T ANTENN PROPAG
JI IEEE Trans. Antennas Propag.
PD FEB
PY 2010
VL 58
IS 2
BP 525
EP 530
DI 10.1109/TAP.2009.2037758
PG 6
WC Engineering, Electrical & Electronic; Telecommunications
SC Engineering; Telecommunications
GA 551LL
UT WOS:000274210700030
ER
PT J
AU Wilson, J
Krakowsky, AM
Herget, CJ
AF Wilson, Judith
Krakowsky, Arthur M.
Herget, Charles J.
TI Starting Early: Increasing Elementary (K-8) Student Science Achievement
With Retired Scientists and Engineers
SO IEEE TRANSACTIONS ON EDUCATION
LA English
DT Article
DE Education; engineering; K-8 outreach program; science; training
AB Teaching Opportunities for Partners in Science (TOPS) is an outreach program using volunteers (the "partners") for: 1) assisting teachers in grades K-8 with preparation and delivery of science and engineering (S&E) lessons in the classroom; 2) providing content knowledge to teachers when needed to teach quality science and engineering lessons; 3) motivating students with career and educational models and information; and 4) educating families through after-school family science events. The outreach program began with partners who were retired scientists and engineers. Currently, the source of volunteers includes scientists and engineers who are employed or on leave as well as retired. The program began in 1993 at the San Joaquin County Office of Education, Stockton, CA, with three Partners at three elementary schools. The program now has 33 Partners at 32 schools in a five-county region in central California. Most partners volunteer to serve a minimum of a half-day per week during the school year; however, the schedule can be flexible to accommodate differing needs of the Partners. The partners attend a TOPS Institute during the summer preceding each school year. The Institute serves as a training course for new partners. This paper covers the history of the TOPS program, the selection and training of partners, the relationship between the partners and classroom teachers, development of lessons, comments from a partner and a classroom teacher, and the results of an evaluation of the program.
C1 [Wilson, Judith] San Joaquin Cty Off Educ, Sci Project, Stockton, CA 95206 USA.
[Krakowsky, Arthur M.] Lawrence Livermore Natl Lab, Dept Elect Engn, Livermore, CA 94550 USA.
[Wilson, Judith] San Joaquin Cty Off Educ, Special Project, Stockton, CA 95206 USA.
[Herget, Charles J.] Herget Associates, Alameda, CA 94501 USA.
RP Wilson, J (reprint author), San Joaquin Cty Off Educ, Sci Project, Stockton, CA 95206 USA.
EM c.herget@ieee.org
NR 6
TC 8
Z9 8
U1 0
U2 4
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0018-9359
J9 IEEE T EDUC
JI IEEE Trans. Educ.
PD FEB
PY 2010
VL 53
IS 1
BP 26
EP 31
DI 10.1109/TE.2009.2022546
PG 6
WC Education, Scientific Disciplines; Engineering, Electrical & Electronic
SC Education & Educational Research; Engineering
GA 551LP
UT WOS:000274211300005
ER
PT J
AU Higgins, MB
Morris, ME
Caldwell, M
Christodoulou, CG
AF Higgins, Matthew B.
Morris, Marvin E.
Caldwell, Michele
Christodoulou, Christos G.
TI Measurement and Modeling of the Indirect Coupling of Lightning
Transients into the Sago Mine
SO IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY
LA English
DT Article
DE Buried cables; cables; electromagnetic coupling; electromagnetic
measurements; lightning; model validation; modeling
ID RETURN-STROKE MODELS; ELECTROMAGNETIC-FIELDS; INDUCED DISTURBANCES;
BURIED CABLES; LINES
AB This paper describes measurements and analytical modeling of the indirect coupling of electromagnetic fields produced by horizontal and vertical lightning currents into the Sago mine located near Buckhannon, WV. Two coupling mechanisms were measured: direct and indirect drive. Only the results from the indirect drive and the associated analysis shall be covered in this paper. Indirect coupling results from electromagnetic field propagation through the earth as a result of a cloud-to-ground lightning stroke or a long, low-altitude horizontal current channel from a cloud-to-ground stroke. Unlike direct coupling, indirect coupling does not require metallic conductors in a continuous path from the surface to areas internal to the mine. Results from the indirect coupling measurements and our modeling show that vertical lightning currents are not likely to have produced lethal voltages in the Sago mine, but a large, horizontal current above the ground could have created a large voltage on a long, insulated cable. Indirect transfer function measurements compare extremely well with analytical and numerical models developed for the Sago site, which take into account measured soil and rock overburden properties.
C1 [Higgins, Matthew B.; Caldwell, Michele] Sandia Natl Labs, Electromagnet Effects Grp, Albuquerque, NM 87185 USA.
[Morris, Marvin E.] Sandia Natl Labs, Electromagnet & Plasma Phys Anal Grp, Albuquerque, NM 87185 USA.
[Christodoulou, Christos G.] Univ New Mexico, Dept Elect & Comp Engn, Albuquerque, NM 87131 USA.
RP Higgins, MB (reprint author), Sandia Natl Labs, Electromagnet Effects Grp, POB 5800, Albuquerque, NM 87185 USA.
EM mbhiggi@sandia.gov; memorri@sandia.gov; mcaldw@sandia.gov; cgc@unm.edu
FU Mine Safety and Health Administration; U.S. Department of Energy
[DE-AC04-94AL85000]
FX This work was supported in part by the Mine Safety and Health
Administration. Sandia is a multiprogram laboratory operated by Sandia
Corporation, a Lockheed Martin Company, for the U.S. Department of
Energy's National Nuclear Security Administration under Contract
DE-AC04-94AL85000.
NR 46
TC 0
Z9 0
U1 2
U2 2
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0018-9375
J9 IEEE T ELECTROMAGN C
JI IEEE Trans. Electromagn. Compat.
PD FEB
PY 2010
VL 52
IS 1
BP 136
EP 146
DI 10.1109/TEMC.2009.2036928
PG 11
WC Engineering, Electrical & Electronic; Telecommunications
SC Engineering; Telecommunications
GA 558HD
UT WOS:000274730800016
ER
PT J
AU Wheeler, J
Bark, K
Savall, J
Cutkosky, M
AF Wheeler, Jason
Bark, Karlin
Savall, Joan
Cutkosky, Mark
TI Investigation of Rotational Skin Stretch for Proprioceptive Feedback
With Application to Myoelectric Systems
SO IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING
LA English
DT Article
DE Haptic displays; myoelectric prostheses; proprioception
ID SENSORY-FEEDBACK; PROSTHESIS; INFORMATION; HUMANS; KNEE; HAND
AB We present a new wearable haptic device that provides a sense of position and motion by inducing rotational skin stretch on the user's skin. In the experiments described in this paper, the device was used to provide proprioceptive feedback from a virtual prosthetic arm controlled with myoelectric sensors on the bicep and tricep muscles in 15 able-bodied participants. Targeting errors in blind movements with the haptic device were compared to cases where no feedback and contralateral proprioception were provided. Average errors were lower with the device than with no feedback but larger than with contralateral proprioceptive feedback. Participants also had lower visual demand with the device than with no feedback while tracking a 30 moving range. The results indicate that the rotational skin stretch may ultimately be effective for proprioceptive feedback in myoelectric prostheses, particularly when vision is otherwise occupied.
C1 [Wheeler, Jason; Bark, Karlin; Savall, Joan; Cutkosky, Mark] Stanford Univ, Dept Mech Engn, Stanford, CA 94305 USA.
[Wheeler, Jason] Sandia Natl Labs, Albuquerque, NM 87123 USA.
RP Wheeler, J (reprint author), Stanford Univ, Dept Mech Engn, Stanford, CA 94305 USA.
EM jwwheel@sandia.gov
FU Sandia National Laboratories; Tekes; Finnish government research
organization; National Science Foundation [IIS-0554188]
FX Manuscript received October 21, 2008; revised June 23, 2009; accepted
August 27, 2009. First published January 12, 2010; current version
published February 24, 2010. The work of J. Wheeler was supported by the
Sandia National Laboratories. The work of K. Bark was supported in part
by Tekes, a Finnish government research organization and in part by the
National Science Foundation under IIS-0554188.
NR 35
TC 30
Z9 31
U1 1
U2 4
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1534-4320
J9 IEEE T NEUR SYS REH
JI IEEE Trans. Neural Syst. Rehabil. Eng.
PD FEB
PY 2010
VL 18
IS 1
BP 58
EP 66
DI 10.1109/TNSRE.2009.2039602
PG 9
WC Engineering, Biomedical; Rehabilitation
SC Engineering; Rehabilitation
GA 562KP
UT WOS:000275049400007
PM 20071271
ER
PT J
AU Pfund, DM
Jarman, KD
Milbrath, BD
Kiff, SD
Sidor, DE
AF Pfund, David Michael
Jarman, Kenneth D.
Milbrath, Brian D.
Kiff, Scott D.
Sidor, Daniel E.
TI Low Count Anomaly Detection at Large Standoff Distances
SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE
LA English
DT Article
DE Anomaly detection; gamma-ray spectroscopy; radiation monitoring
ID RADIATION PORTAL MONITORS; GAMMA-RAY
AB Searching for hidden illicit sources of gamma radiation in an urban environment is difficult. Background radiation profiles are variable and cluttered with transient acquisitions from naturally occurring radioactive materials and medical isotopes. Potentially threatening sources likely will be nearly hidden in this noise and encountered at high standoff distances and low threat count rates. We discuss an anomaly detection algorithm that characterizes low count sources as threatening or non-threatening and operates well in the presence of high benign source variability. We discuss the algorithm parameters needed to reliably find sources both close to the detector and far away from it. These parameters include the cutoff frequencies of background tracking filters and the integration time of the spectrometer. This work is part of the development of the Standoff Radiation Imaging System (SORIS) as part of DNDO's Standoff Radiation Detection System Advanced Technology Demonstration (SORDS-ATD) program.
C1 [Pfund, David Michael; Jarman, Kenneth D.; Milbrath, Brian D.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Kiff, Scott D.] Sandia Natl Labs, Livermore, CA 94551 USA.
[Sidor, Daniel E.] Univ Rochester, Rochester, NY 14627 USA.
RP Pfund, DM (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
EM david.pfund@pnl.gov; kj@pnl.gov; brian.milbrath@pnl.gov;
skiff@sandia.gov; sidor@optics.rochester.edu
RI Jarman, Kenneth/B-6157-2011
OI Jarman, Kenneth/0000-0002-4396-9212
FU U.S. Department of Homeland Security, Domestic Nuclear Detection Office
FX Manuscript received May 08, 2009; revised September 22, 2009. Current
version published February 10, 2010. This work was supported by the U.S.
Department of Homeland Security, Domestic Nuclear Detection Office. This
is Pacific Northwest National Laboratory (PNNL) Report PNWD-SA-8577.
PNNL is operated for the U.S. Department of Energy by Battelle under
Contract DE-AC05-76RL01830.
NR 18
TC 10
Z9 10
U1 1
U2 3
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0018-9499
J9 IEEE T NUCL SCI
JI IEEE Trans. Nucl. Sci.
PD FEB
PY 2010
VL 57
IS 1
BP 309
EP 316
DI 10.1109/TNS.2009.2035805
PN 2
PG 8
WC Engineering, Electrical & Electronic; Nuclear Science & Technology
SC Engineering; Nuclear Science & Technology
GA 553UA
UT WOS:000274391100008
ER
PT J
AU Warren, GA
Caggiano, JA
Bertozzi, W
Korbly, SE
Ledoux, RJ
Park, WH
AF Warren, Glen A.
Caggiano, Joseph A.
Bertozzi, William
Korbly, Stephen E.
Ledoux, Robert J.
Park, William H.
TI On the Search for Nuclear Resonance Fluorescence Signatures of U-235 and
U-238 Above 3 MeV
SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE
LA English
DT Article
DE Bremsstrahlung; gamma rays; nuclear physics; uranium
ID LASER
AB Nuclear resonance fluorescence is a physical process that provides an isotope-specific signature that could be used for the identification and characterization of materials. The technique involves the detection of prompt discrete-energy photons emitted from a sample that is exposed to MeV-energy photons. Potential applications of the technique range from detection of high explosives to characterization of special nuclear materials such as U-235. We conducted a pair of measurements to search for a nuclear resonance fluorescence response of U-235 above 3 MeV and of U-238 above 5 MeV using an 8 g sample of highly enriched uranium and a 90 g sample of depleted uranium. No new signatures were observed. The minimum detectable integrated cross section for U-235 varies from 4 eV b at 3 MeV up to 120 eV b at 8 MeV.
C1 [Warren, Glen A.; Caggiano, Joseph A.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Bertozzi, William; Korbly, Stephen E.; Ledoux, Robert J.; Park, William H.] Passport Syst Inc, N Billerica, MA 01862 USA.
RP Warren, GA (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
EM glen.warren@pnl.gov; jac.caggiano@pnl.gov; bertozzi@passportsystems.com;
Korbly@passportsystems.com; ledoux@pass-portsystems.com;
park.william@gmail.com
FU U.S. Department of Homeland Security Domestic Nuclear Detection Office
(DNDO) [N6600105D6011]; U.S. Department of Energy Office of Defense
Nuclear Nonproliferation, Office of Nonproliferation Research and
Development [NA-22]
FX Manuscript received June 30, 2009; revised December 01, 2009. Current
version published February 10, 2010. Pacific Northwest National
Laboratory (PNNL) is operated for the U.S. Department of Energy by
Battelle Memorial Institute under Contract DE-AC06-76RL01830. PNNL's
contribution to this project was supported by the U.S. Department of
Homeland Security Domestic Nuclear Detection Office (DNDO) and the U.S.
Department of Energy Office of Defense Nuclear Nonproliferation, Office
of Nonproliferation Research and Development (NA-22). The support of
Passports Systems, Inc. to this project was provided by DNDO Contract
N6600105D6011.
NR 7
TC 3
Z9 3
U1 0
U2 2
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0018-9499
J9 IEEE T NUCL SCI
JI IEEE Trans. Nucl. Sci.
PD FEB
PY 2010
VL 57
IS 1
BP 317
EP 322
DI 10.1109/TNS.2009.2038470
PN 2
PG 6
WC Engineering, Electrical & Electronic; Nuclear Science & Technology
SC Engineering; Nuclear Science & Technology
GA 553UA
UT WOS:000274391100009
ER
PT J
AU van Vuure, TL
Ankner, JF
Browning, JF
Clonts, LG
Crow, ML
Cooper, RG
Remec, I
Richards, JD
Riedel, RA
Robertson, JL
AF van Vuure, T. L.
Ankner, J. F.
Browning, J. F.
Clonts, L. G.
Crow, M. L.
Cooper, R. G.
Remec, I.
Richards, J. D.
Riedel, R. A.
Robertson, J. L.
TI First Measurements of the Inclined Boron Layer Thermal-Neutron Detector
for Reflectometry
SO IEEE TRANSACTIONS ON NUCLEAR SCIENCE
LA English
DT Article
DE Boron; neutron detectors; position sensitive particle detectors;
reflectometry
AB A prototype detector based on the inclined boron layer principle is introduced. For typical measurement conditions at the Liquids Reflectometer at the Spallation Neutron Source, its count rate capability is shown to be superior to that of the current detector by nearly two orders of magnitude.
C1 [van Vuure, T. L.; Ankner, J. F.; Browning, J. F.; Clonts, L. G.; Crow, M. L.; Cooper, R. G.; Remec, I.; Richards, J. D.; Riedel, R. A.; Robertson, J. L.] Oak Ridge Natl Lab, Spallat Neutron Source, Oak Ridge, TN 37830 USA.
RP van Vuure, TL (reprint author), Oak Ridge Natl Lab, Spallat Neutron Source, Oak Ridge, TN 37830 USA.
EM vanvuuretl@ornl.gov
OI Browning, James/0000-0001-8379-259X; Ankner, John/0000-0002-6737-5718
FU U.S. Department of Energy [DE-AC05-00OR22725]
FX Manuscript received March 02, 2009; revised September 20, 2009. Current
version published February 10, 2010. This work was authored by
UT-Battelle, LLC, under Contract DE-AC05-00OR22725 with the U.S.
Department of Energy. The U.S. Government retains, and the publisher, by
accepting the article for publication, acknowledges that the U.S.
Government retains a non-exclusive, paid-up, irrevocable, world-wide
license to publish or reproduce the published form of this manuscript,
or allow others to do so, for U.S. Government purposes.
NR 8
TC 3
Z9 3
U1 0
U2 6
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0018-9499
J9 IEEE T NUCL SCI
JI IEEE Trans. Nucl. Sci.
PD FEB
PY 2010
VL 57
IS 1
BP 323
EP 327
DI 10.1109/TNS.2009.2036913
PN 2
PG 5
WC Engineering, Electrical & Electronic; Nuclear Science & Technology
SC Engineering; Nuclear Science & Technology
GA 553UA
UT WOS:000274391100010
ER
PT J
AU Kamil, S
Oliker, L
Pinar, A
Shalf, J
AF Kamil, Shoaib
Oliker, Leonid
Pinar, Ali
Shalf, John
TI Communication Requirements and Interconnect Optimization for High-End
Scientific Applications
SO IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS
LA English
DT Article
DE Interconnections; topology; performance analysis
ID MODEL; SYSTEMS
AB The path toward realizing next-generation petascale and exascale computing is increasingly dependent on building supercomputers with unprecedented numbers of processors. To prevent the interconnect from dominating the overall cost of these ultrascale systems, there is a critical need for scalable interconnects that capture the communication requirements of ultrascale applications. It is, therefore, essential to understand high-end application communication characteristics across a broad spectrum of computational methods, and utilize that insight to tailor interconnect designs to the specific requirements of the underlying codes. This work makes several unique contributions toward attaining that goal. First, we conduct one of the broadest studies to date of high-end application communication requirements, whose computational methods include: finite difference, lattice Boltzmann, particle-in-cell, sparse linear algebra, particle-mesh ewald, and FFT-based solvers. Using derived communication characteristics, we next present the fit-tree approach for designing network infrastructure that is tailored to application requirements. The fit-tree minimizes the component count of an interconnect without impacting application performance compared to a fully connected network. Finally, we propose a methodology for reconfigurable networks to implement fit-tree solutions. Our Hybrid Flexibly Assignable Switch Topology (HFAST) infrastructure, uses both passive (circuit) and active (packet) commodity switch components to dynamically reconfigure interconnects to suit the topological requirements of scientific applications. Overall, our exploration points to several promising directions for practically addressing the interconnect requirements of future ultrascale systems.
C1 [Kamil, Shoaib; Oliker, Leonid; Shalf, John] Univ Calif Berkeley, Lawrence Berkeley Lab, NERSC, CRD, Berkeley, CA 94720 USA.
[Kamil, Shoaib] Univ Calif Berkeley, Dept Comp Sci, Berkeley, CA 94720 USA.
[Pinar, Ali] Sandia Natl Labs, Livermore, CA 94550 USA.
RP Kamil, S (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, NERSC, CRD, 1 Cyclotron Rd,MS 50A1148, Berkeley, CA 94720 USA.
EM sakamil@lbl.gov; loliker@lbl.gov; apinar@sandia.gov; jshalf@lbl.gov
NR 23
TC 21
Z9 21
U1 0
U2 5
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1314 USA
SN 1045-9219
J9 IEEE T PARALL DISTR
JI IEEE Trans. Parallel Distrib. Syst.
PD FEB
PY 2010
VL 21
IS 2
BP 188
EP 202
DI 10.1109/TPDS.2009.61
PG 15
WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic
SC Computer Science; Engineering
GA 535EZ
UT WOS:000272951300005
ER
PT J
AU Khan, FH
Tolbert, LM
Webb, WE
AF Khan, Faisal H.
Tolbert, Leon M.
Webb, William E.
TI Start-Up and Dynamic Modeling of the Multilevel Modular
Capacitor-Clamped Converter
SO IEEE TRANSACTIONS ON POWER ELECTRONICS
LA English
DT Article
DE DC-DC power conversion; power capacitors; power conversion; power
electronics; power semiconductor switches
ID DC-DC CONVERTER; DESIGN; FLOW
AB This paper will present the analytical proof of concept of the multilevel modular capacitor-clamped converter (MMCCC). The quantitative analysis of the charge transfer mechanism among the capacitors of the MMCCC explains the start-up and steady-state voltage balancing. Once these capacitor voltages are found for different time intervals, the start-up and steady-state voltages at various nodes of the MMCCC can be obtained. This analysis provides the necessary proof that explains the stable operation of the converter when a load is connected to the low-voltage side of the circuit. In addition, the analysis also shows how the LV side of the converter is (1/N)th of the HV side excitation when the conversion ratio of the circuit is N. In addition to the analytical and simulation results, experimental results are included to support the analytical proof of concept.
C1 [Khan, Faisal H.] Univ Utah, Dept Elect & Comp Engn, Salt Lake City, UT 84112 USA.
[Webb, William E.] Elect Power Res Inst, Knoxville, TN 37932 USA.
[Tolbert, Leon M.] Univ Tennessee, Dept Elect & Comp Engn, Knoxville, TN 37996 USA.
[Tolbert, Leon M.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Khan, FH (reprint author), Univ Utah, Dept Elect & Comp Engn, Salt Lake City, UT 84112 USA.
EM faisal.khan@utah.edu; tolbert@utk.edu; wwebb@epri.com
OI Tolbert, Leon/0000-0002-7285-609X
FU Oak Ridge National Laboratory [4000007596]
FX Thisworkwas supported by Oak Ridge National Laboratory under UT-Battelle
Contract 4000007596. Recommended for publication by Associate Editor A.
Rufer.
NR 28
TC 27
Z9 28
U1 0
U2 5
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0885-8993
J9 IEEE T POWER ELECTR
JI IEEE Trans. Power Electron.
PD FEB
PY 2010
VL 25
IS 2
BP 519
EP 531
DI 10.1109/TPEL.2009.2025273
PG 13
WC Engineering, Electrical & Electronic
SC Engineering
GA 558HN
UT WOS:000274731800028
ER
PT J
AU Zarghami, M
Crow, ML
Sarangapani, J
Liu, YL
Atcitty, S
AF Zarghami, Mahyar
Crow, Mariesa L.
Sarangapani, Jagannathan
Liu, Yilu
Atcitty, Stan
TI A Novel Approach to Interarea Oscillation Damping by Unified Power Flow
Controllers Utilizing Ultracapacitors
SO IEEE TRANSACTIONS ON POWER SYSTEMS
LA English
DT Article
DE Electrochemical capacitors (ECs); oscillation damping; power system
stability; unified power flow controller (UPFC)
ID STATIC VAR COMPENSATORS; SYSTEM OSCILLATIONS; FACTS DEVICES;
STABILIZERS; SWINGS; UPFC
AB This paper discusses a novel approach for damping interarea oscillations in a bulk power network using multiple unified power flow controllers (UPFCs) utilizing ultracapacitors, also known more generally as electrochemical capacitors (ECs). In this paper, a new control is introduced to mitigate interarea oscillations by directly controlling the UPFCs' sending and receiving bus voltages that better utilizes the stored energy in the ECs. The results of this controller are compared with and without ECs. The proposed control provides better interarea oscillation mitigation when applied to multiple UPFCs in the 118-bus IEEE test system.
C1 [Zarghami, Mahyar] ABB Inc, Raleigh, NC 27610 USA.
[Liu, Yilu] Univ Tennessee, Knoxville, TN 37996 USA.
[Atcitty, Stan] Sandia Natl Labs, Albuquerque, NM 87123 USA.
[Crow, Mariesa L.; Sarangapani, Jagannathan] Missouri Univ Sci & Technol, Dept Elect & Comp Engn, Rolla, MO 65409 USA.
RP Zarghami, M (reprint author), ABB Inc, Raleigh, NC 27610 USA.
OI Crow, Mariesa/0000-0002-2087-9599
FU Department of Energy (DOE) [DE-AC04-94AL85000]; National Science
Foundation [BD-0071-D, ECCS 0701643]
FX This work was supported in part by the Department of Energy (DOE) Energy
Storage Program through Sandia National Laboratories (a multiprogram
laboratory operated by Sandia Corporation, a Lockheed Martin Company,
for the United States DOE's National Nuclear Security Administration,
under contract DE-AC04-94AL85000) under Contract BD-0071-D and in part
by the National Science Foundation under Grant ECCS 0701643. Paper no.
TPWRS-00209-2009.
NR 20
TC 31
Z9 32
U1 0
U2 3
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0885-8950
J9 IEEE T POWER SYST
JI IEEE Trans. Power Syst.
PD FEB
PY 2010
VL 25
IS 1
BP 404
EP 412
DI 10.1109/TPWRS.2009.2036703
PG 9
WC Engineering, Electrical & Electronic
SC Engineering
GA 548AI
UT WOS:000273930800042
ER
PT J
AU Lu, N
Taylor, T
Jiang, W
Jin, CL
Correia, J
Leung, LR
Wong, PC
AF Lu, Ning
Taylor, Todd
Jiang, Wei
Jin, Chunlian
Correia, James, Jr.
Leung, L. Ruby
Wong, Pak Chung
TI Climate Change Impacts on Residential and Commercial Loads in the
Western US Grid
SO IEEE TRANSACTIONS ON POWER SYSTEMS
LA English
DT Article
DE Climate change; commercial load; fault-induced delayed voltage recovery;
load composition; load modeling; power system stability; residential
load; temperature sensitivity
AB This paper presents a multidisciplinary modeling approach to quickly quantify climate change impacts on energy consumption, peak load, and load composition of residential and commercial buildings. This research focuses on addressing the impact of temperature changes on the building cooling load in ten major cities across the Western United States and Canada. Our results have shown that by the mid-century, building yearly energy consumption and peak load will increase in the Southwest. Moreover, the peak load months will spread out to not only the summer months but also spring and autumn months. The Pacific Northwest will experience more hot days in the summer months. The penetration levels of air-conditioning (a/c) systems in this region are likely to increase significantly over the years. As a result, some locations in the Pacific Northwest may be shifted from winter peaking to summer peaking. Overall, the Western U.S. grid may see more simultaneous peaks across the North and South in summer months. Increased cooling load will result in a significant increase in the motor load, which consumes more reactive power and requires stronger voltage support from the grid. This study suggests an increasing need for the industry to implement new technology to increase the efficiency of temperature-sensitive loads and apply proper protection and control to prevent possible adverse impacts of a/c motor loads.
C1 [Lu, Ning; Taylor, Todd; Jiang, Wei; Jin, Chunlian; Correia, James, Jr.; Leung, L. Ruby; Wong, Pak Chung] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Lu, N (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
RI Correia, Jr, James/A-9455-2010
OI Correia, Jr, James/0000-0003-1092-8999
FU U.S. Department of Energy by Battelle [DE-AC05-76RL01830]
FX This work was supported by the Pacific Northwest National Laboratory,
operated for the U.S. Department of Energy by Battelle, under Contract
DE-AC05-76RL01830. Paper no. TPWRS-00810-2008.
NR 14
TC 12
Z9 13
U1 1
U2 8
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0885-8950
J9 IEEE T POWER SYST
JI IEEE Trans. Power Syst.
PD FEB
PY 2010
VL 25
IS 1
BP 480
EP 488
DI 10.1109/TPWRS.2009.2030387
PG 9
WC Engineering, Electrical & Electronic
SC Engineering
GA 548AI
UT WOS:000273930800050
ER
PT J
AU Stewart, EM
Tumilty, R
Fletcher, J
Lutz, A
Ault, G
McDonald, J
AF Stewart, Emma M.
Tumilty, R.
Fletcher, John
Lutz, Andrew
Ault, G.
McDonald, Jim
TI Analysis of a Distributed Grid-Connected Fuel Cell During Fault
Conditions
SO IEEE TRANSACTIONS ON POWER SYSTEMS
LA English
DT Article
DE Distributed generation; inverter; integration power control; solid oxide
fuel cell (SOFC)
ID POWER DISTRIBUTION-SYSTEMS; TRANSIENT ANALYSIS; DYNAMIC-MODEL;
GENERATION; SIMULATION; OPERATION; TRANSPORT; CIRCUITS; MASS; LOAD
AB The effect of a short circuit fault and a voltage sag fault on a distributed grid-connected solid oxide fuel cell (SOFC) is investigated in this paper. The fuel cell is modeled in Simulink and the performance is verified against experimental load testing data. Grid faults are simulated, and conclusions are drawn on the fuel cell response and the effects of the fault condition on internal fuel cell parameters.
C1 [Stewart, Emma M.; Tumilty, R.; Fletcher, John; Ault, G.; McDonald, Jim] Univ Strathclyde, Glasgow G1 1XQ, Lanark, Scotland.
[Lutz, Andrew] Sandia Natl Labs, Livermore, CA 94551 USA.
RP Stewart, EM (reprint author), BEW Engn Inc, San Ramon, CA 94583 USA.
EM emmamstewart@gmail.com; r.tumilty@strath.ac.uk;
john.fletcher@eee.strath.ac.uk; aelutz@sandia.gov;
g.ault@eee.strath.ac.uk; j.mcdonald@eee.strath.ac.uk
NR 32
TC 7
Z9 9
U1 2
U2 6
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0885-8950
J9 IEEE T POWER SYST
JI IEEE Trans. Power Syst.
PD FEB
PY 2010
VL 25
IS 1
BP 497
EP 505
DI 10.1109/TPWRS.2009.2036776
PG 9
WC Engineering, Electrical & Electronic
SC Engineering
GA 548AI
UT WOS:000273930800052
ER
PT J
AU Szajna-Fuller, E
Bakac, A
AF Szajna-Fuller, Ewa
Bakac, Andreja
TI Base-Catalyzed Insertion of Dioxygen into Rhodiurn-Hydrogen Bonds:
Kinetics and Mechanism
SO INORGANIC CHEMISTRY
LA English
DT Article
ID PD-II-HYDROPEROXIDE; MOLECULAR-OXYGEN; RHODIUM(III) HYDRIDES; AEROBIC
OXIDATION; AQUEOUS-SOLUTIONS; METHYL KETONES; ATOM TRANSFER; COMPLEXES;
SUPEROXO; THERMODYNAMICS
AB The reaction between molecular oxygen and rhodium hydrides L(OH)RhH(+) (L = (NH(3))(4), trans-L(1), and cis-L(1), where L(1) = cyclam) in basic aqueous solutions rapidly produces the corresponding hydroperoxo complexes. Over the pH range 8 < pH < 12, the kinetics exhibit a first order dependence on [OH(-)]. The dependence on [O(2)] is less than first order and approaches saturation at the highest concentrations used. These data suggest an attack by OH(-) at the hydride with k = (1.45 +/- 0.25) x 10(3) M(-1) s(-1) for trans-L(1)(OH) RhH(+) at 25 degrees C, resulting in heterolytic cleavage of the Rh - H bond and formation of a reactive Rh(I) intermediate, A competition between O(2) and H(2)O for Rh(I) is the source of the observed dependence on O(2). In support of this mechanism, there is a significant kinetic isotope effect for the initial step, L(1)(OH(D))RhH(D)(+) + OH(D)(-) reversible arrow(k1)(k-1) L(1)(OH(D))Rh(1) + H(D)(2)O, k(1H)/k(1D) = 1.7, and k(-1H)/k(-1D) = 3.0. The activation parameters for k(1) for trans L1(OH)RhH(+) are Delta H double dagger = 64.6 +/- 1.3 KJ mol(-1) and Delta S(t) = 40 +/- 4 J mol(-1) K(-1).
C1 [Szajna-Fuller, Ewa; Bakac, Andreja] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
RP Bakac, A (reprint author), Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
EM bakac@ameslab.gov
NR 32
TC 15
Z9 15
U1 0
U2 9
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0020-1669
J9 INORG CHEM
JI Inorg. Chem.
PD FEB 1
PY 2010
VL 49
IS 3
BP 781
EP 785
DI 10.1021/ic901808t
PG 5
WC Chemistry, Inorganic & Nuclear
SC Chemistry
GA 546CH
UT WOS:000273785500005
PM 19860459
ER
PT J
AU Neiner, D
Okamoto, NL
Yu, P
Leonard, S
Condron, CL
Toney, MF
Ramasse, QM
Browning, ND
Kauzlarich, SM
AF Neiner, Doinita
Okamoto, Norihiko L.
Yu, Ping
Leonard, Sharon
Condron, Cathie L.
Toney, Michael F.
Ramasse, Quentin M.
Browning, Nigel D.
Kauzlarich, Susan M.
TI Synthesis and Characterization of K8-x(H-2)(y)Si-46
SO INORGANIC CHEMISTRY
LA English
DT Article
ID SILICON CLATHRATE COMPOUNDS; SI; OXIDATION; COMPOUND; NAXSI136; METALS;
ROUTE; NMR; NA
AB A hydrogen-containing inorganic clathrate with the nominal composition, K-7(H-2)(3)Si-46, has been prepared in 98% yield by the reaction of K4Si4 with NH4Br. Rietveld refinement of the powder X-ray diffraction data is consistent with the clathrate type I structure. Elemental analysis and H-1 MAS NMR confirmed the presence of hydrogen in this material. Type I clathrate structure is built up from a Si framework with two types of cages where the guest species, in this case K and H2, can reside: a large cage composed of 24 Si, in which the guest resides in the 6d position, and a smaller one composed of 20 Si, in which the guest occupies the 2a position (cubic space group Pm (3) over barn). Potassium occupancy was examined using spherical aberration (Cs) corrected scanning transmission electron microscopy (STEM). The high-angle annular dark-field (HAADF) STEM experimental and simulated images indicated that the K is deficient in both the 2a and the 6d sites. H-1 and Si-29 MAS NMR are consistent with the presence of H-2 in a restricted environment and the clathrate I structure, respectively. FTIR and Si-29{H-1} CP MAS NMR results show no evidence for a Si-H bond, suggesting that hydrogen is present as H-2 in interstitial sites. Thermal gravimetry (TG) mass spectrometry (MS) provide additional confirmation of H-2 with hydrogen loss at similar to 400 degrees C.
C1 [Leonard, Sharon; Kauzlarich, Susan M.] Univ Calif Davis, Dept Chem, Davis, CA 95616 USA.
[Okamoto, Norihiko L.; Browning, Nigel D.] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA.
[Yu, Ping] Univ Calif Davis, NMR Facil, Davis, CA 95616 USA.
[Condron, Cathie L.; Toney, Michael F.] SLAC Natl Accelerator Lab, Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA 94025 USA.
[Ramasse, Quentin M.; Browning, Nigel D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Natl Ctr Electron Microscopy, Berkeley, CA 94270 USA.
[Browning, Nigel D.] Lawrence Livermore Natl Lab, Phys & Life Sci Directorate, Livermore, CA 94550 USA.
RP Kauzlarich, SM (reprint author), Univ Calif Davis, Dept Chem, 1 Shields Ave, Davis, CA 95616 USA.
EM smkauzlarich@ucdavis.edu
RI Okamoto, Norihiko/A-7345-2010;
OI Okamoto, Norihiko/0000-0003-0199-7271; Browning,
Nigel/0000-0003-0491-251X
FU Center of Excellence for Chemical Hydrides [DE-FC36-05GO15055];
Department of Energy [DE-FG02-03ER46057]; Japan Society for the
Promotion or Science for Young Scientists; U.S. Department of Energy
[DE-AC02-05CH11231]
FX The authors gratefully acknowledge Dr. Alexandra Navrotsky for use of
the powder diffractometer. We wish to thank David G. Mori. an, who
carried out the image processing using 2dx software. This work was
supported by the Center of Excellence for Chemical Hydrides under
Contract No. DE-FC36-05GO15055, by the Department of Energy under
Contract No. DE-FG02-03ER46057, and by the Japan Society for the
Promotion or Science for Young Scientists. Part of this work was carried
out at the National Center for Electron Microscopy, under the auspices
of the U.S. Department of Energy under contract number
DE-AC02-05CH11231. Portions of this research were carried out at the
Stanford Synchrotron Radiation Lightsource, a national user facility
operated by Stanford University on behalf of the U.S. Department of
Energy. Orrice of Basic Energy Sciences.
NR 31
TC 14
Z9 15
U1 2
U2 22
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0020-1669
J9 INORG CHEM
JI Inorg. Chem.
PD FEB 1
PY 2010
VL 49
IS 3
BP 815
EP 822
DI 10.1021/ic9004592
PG 8
WC Chemistry, Inorganic & Nuclear
SC Chemistry
GA 546CH
UT WOS:000273785500009
PM 20039690
ER
PT J
AU Rochford, J
Tsai, MK
Szalda, DJ
Boyer, JL
Muckerman, JT
Fujita, E
AF Rochford, Jonathan
Tsai, Ming-Kang
Szalda, David J.
Boyer, Julie L.
Muckerman, James T.
Fujita, Etsuko
TI Oxidation State Characterization of Ruthenium 2-Iminoquinone Complexes
through Experimental and Theoretical Studies
SO INORGANIC CHEMISTRY
LA English
DT Article
ID TRANSITION-METAL-COMPLEXES; ELECTROCHEMICAL OXIDATION;
ELECTRONIC-STRUCTURE; CHARGE-DISTRIBUTION; QUINONE COMPLEXES; REDOX
BEHAVIOR; LIGANDS; SEMIQUINONE; ENERGIES; ELEMENTS
AB The synthesis of complexes [Ru(II)(trpy)(2-imino-4-tert-butylquinone)(Cl)](+) and [Ru(II)(trpy)(NIL)(OAc)](+) (where trpy = 2:2',6':2 ''-terpyridyl, NIL = 2-imino-4-tert-butylquinone, 2-imino-4-methylquinone, 2-iminoquinone, 2-imino-4-chloroquinone, 2-imino-5-chloroquinone, 2-imino-4,6-di-tert-butyl-N-phenyl-quinone, 2-imino-4,6-di-tert-butyl-N-(2'-trifluoromethylphenyl)-quinone) is reported. The oxidation states of these complexes, as well as the previously reported [Ru(III)(trpy)(2-iminosemiquinone)(Cl)](+) complex, are investigated by spectroscopic, electrochemical and theoretical methods resulting in the latter complex being reassigned as [Ru(II)(trpy)(2-iminoquinone)(Cl)](+). Evidence for the presence of two structural isomers was found for all complexes, and crystal structures for both isomers of the [Ru(II)(trpy)(2-imino-4-tert-butylquinone)(Cl)]ClO(4) complex are reported, as well as for the cis isomer of [Ru(II)(trpy)(2-imino-4,6-di-tert-butyl-N-phenyl-quinone)(OAc)]PF(6). Redox control is also demonstrated based on the Hammett parameters of the substituents on the 2-iminoquinone ligand.
C1 [Rochford, Jonathan; Tsai, Ming-Kang; Boyer, Julie L.; Muckerman, James T.; Fujita, Etsuko] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
[Muckerman, James T.] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
[Szalda, David J.] CUNY Bernard M Baruch Coll, Dept Nat Sci, New York, NY 10010 USA.
RP Fujita, E (reprint author), Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
EM fujita@bnl.gov
RI Fujita, Etsuko/D-8814-2013; Muckerman, James/D-8752-2013
NR 51
TC 10
Z9 10
U1 0
U2 10
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0020-1669
J9 INORG CHEM
JI Inorg. Chem.
PD FEB 1
PY 2010
VL 49
IS 3
BP 860
EP 869
DI 10.1021/ic901194k
PG 10
WC Chemistry, Inorganic & Nuclear
SC Chemistry
GA 546CH
UT WOS:000273785500014
PM 20038122
ER
PT J
AU Schelter, EJ
Wu, RL
Scott, BL
Thompson, JD
Cantat, T
John, KD
Batista, ER
Morris, DE
Kiplinger, JL
AF Schelter, Eric J.
Wu, Ruilian
Scott, Brian L.
Thompson, Joe D.
Cantat, Thibault
John, Kevin D.
Batista, Enrique R.
Morris, David E.
Kiplinger, Jaqueline L.
TI Actinide Redox-Active Ligand Complexes: Reversible Intramolecular
Electron-Transfer in U(dpp-BIAN)(2)/U(dpp-BIAN)(2)(THF)
SO INORGANIC CHEMISTRY
LA English
DT Article
ID TRANSITION-METAL-COMPLEXES; MIXED-VALENCY; COPPER(II) COMPLEXES;
CRYSTAL-STRUCTURES; PARAMETER SETS; URANIUM; COORDINATION; OXIDATION;
PSEUDOPOTENTIALS; REACTIVITY
AB Actinide complexes of the redox-active ligand (dpp-BIAN)(2-) (dpp-BIAN = 1,2-bis(2,6-diisopropylphenylimino)acenaphthylene), U(dpp-BIAN)(2) (1), U(dpp-BIAN)(2)(THF) (1-THF), and Th(dpp-BIAN)(2)(THF) (2-THF), have been prepared. Solid-state magnetic and single-crystal X-ray data for complex 1 indicate a ground-state U-IV-pi*(4) configuration, whereas a (dpp-BIAN)(2-)-to-uranium electron transfer occurs for 1-THF, resulting in a U-III-pi*(3) ground configuration. The solid-state magnetic data also indicate that interconversion between the two forms of the complex is possible, limited only by the ability of tetrahydrofuran (THF) vapor to penetrate the solid upon cooling of the sample. In contrast to those in the solid state, spectroscopic data acquired in THF indicate only the presence of the U-IV-pi*(4) form for 1-THF in solution, evidenced by electronic absorption spectra and by measurement of the solution magnetic moment in THF-d(8) using the Evans method. Also reported is the electrochemistry of the complexes collected in CH2Cl2, CF3C6H5, and THF. As expected from the solution spectroscopic data, only small differences are observed in half-wave potentials of ligand-based processes in the presence of THF, consistent with the solution U-IV-pi*(4) configuration of the complexes in all cases. Density functional theory calculations were undertaken for complexes 1 and 1-THF to determine if intrinsic energetic or structural factors underlie the observed charge-transfer process. While the calculated optimized geometries agree well with experimental results, it was not possible to arrive at a convergent solution for 1-THF in the U-III-pi*(3) configuration, However, perturbations in the orbital energies in 1 versus 1-THF for the U-IV-pi*(4) configuration do point to a diminished highest occupied molecular orbital-lowest unoccupied molecular orbital energy gap in 1-THF, consistent with the solid-state magnetic data, These results represent the first example of a stable and well-defined, reversible intramolecular elect-on transfer in an actinide complex with redox-active ligands.
C1 [Schelter, Eric J.; Wu, Ruilian; Scott, Brian L.; Thompson, Joe D.; Cantat, Thibault; John, Kevin D.; Batista, Enrique R.; Morris, David E.; Kiplinger, Jaqueline L.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Kiplinger, JL (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM kiplinger@lanl.gov
RI Cantat, Thibault/A-8167-2010; Schelter, Eric/E-2962-2013; Morris,
David/A-8577-2012; Kiplinger, Jaqueline/B-9158-2011; Scott,
Brian/D-8995-2017
OI Cantat, Thibault/0000-0001-5265-8179; Kiplinger,
Jaqueline/0000-0003-0512-7062; Scott, Brian/0000-0003-0468-5396
NR 66
TC 31
Z9 31
U1 1
U2 27
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0020-1669
EI 1520-510X
J9 INORG CHEM
JI Inorg. Chem.
PD FEB 1
PY 2010
VL 49
IS 3
BP 924
EP 933
DI 10.1021/ic901636f
PG 10
WC Chemistry, Inorganic & Nuclear
SC Chemistry
GA 546CH
UT WOS:000273785500021
PM 20039611
ER
PT J
AU Rothenberger, A
Wang, HH
Chung, D
Kanatzidis, MG
AF Rothenberger, Alexander
Wang, Hsien-Hau
Chung, DuckYoung
Kanatzidis, Mercouri G.
TI Structural Diversity by Mixing Chalcogen Atoms in the Chalcophosphate
System K/In/P/Q (Q = S, Se)
SO INORGANIC CHEMISTRY
LA English
DT Article
ID 2ND-HARMONIC GENERATION RESPONSE; ALKALI-METAL; DIMENSIONAL COMPOUNDS;
INDIUM SELENIDE; FLUX; PHASE; RB; THIOPHOSPHATE; CHEMISTRY; ANIONS
AB The new thiophosphate salt K(4)In(2)(PS(4))(2)(P(2)S(6)) (1), the selenophosphate salts K(5)In(3)(mu(3)-Se)(P(2)Se(6))(3) (2), K(6)In(4)(mu-Se)(2)center dot(P(2)Se(6))(3) (3), and the mixed seleno-/thiophosphate salt K(4)In(4)(mu-Se)(P(2)S(2.36)Se(3.64))(3) (4) are described. For the first time, a structurally different outcome of a chalcophosphate reaction was observed when sulfur and selenium are mixed, for example, by the use of K(2)S/P(2)Se(5)/In instead of K(2)Se/P(2)Se(5)/Se/In or K(2)S/P(2)S(5)/In. In compounds 1-4 indium atoms exist in a variety coordination environments. While in 1, indium is octahedrally coordinated, in 2-4 tetrahedral, trigonal-biopyramidal, and octahedral coordination environments are found for indium atoms. This remarkable structural diversity possibly is a reason, why particularly indium chalcophosphate flux reactions often produce a large variety of compounds at intermediate temperatures. In the mixed seleno-/thiophosphate salt K(4)In(4)(mu-Se)(P(2)S(2.36)Se(3.64))(3) (4) most of the chalcogen sites around the tetrahedrally coordinated P atoms show mixed S/Se occupancy. There is, however, a preference for Se binding to In ions and S binding to potassium ions.
C1 [Rothenberger, Alexander; Kanatzidis, Mercouri G.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA.
[Wang, Hsien-Hau; Chung, DuckYoung; Kanatzidis, Mercouri G.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
RP Kanatzidis, MG (reprint author), Northwestern Univ, Dept Chem, 2145 Sheridan Rd, Evanston, IL 60208 USA.
EM m-kanatzidis@northwestern.edu
RI Rothenberger, Alexander/B-9119-2015
FU DFG [RO 3069/4-1]; National Science Foundation [DIMR-0801855]; U.S, DOE,
office or Science [DE-AC02-06CH11357]
FX Financial support from the DFG (RO 3069/4-1) and from the National
Science Foundation (DIMR-0801855) is acknowledged. This work was also
supported by the U.S, DOE, office or Science under Contract No.
DE-AC02-06CH11357.
NR 32
TC 7
Z9 7
U1 0
U2 15
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 0020-1669
J9 INORG CHEM
JI Inorg. Chem.
PD FEB 1
PY 2010
VL 49
IS 3
BP 1144
EP 1151
DI 10.1021/ic902105j
PG 8
WC Chemistry, Inorganic & Nuclear
SC Chemistry
GA 546CH
UT WOS:000273785500044
PM 20030374
ER
PT J
AU Smith, K
Wang, CY
AF Smith, Kandler
Wang, Chao-Yang
TI Preface to special issue on electrical energy storage for future
transportation and renewable energy
SO INTERNATIONAL JOURNAL OF ENERGY RESEARCH
LA English
DT Editorial Material
C1 [Smith, Kandler] Natl Renewable Energy Lab, Golden, CO USA.
[Wang, Chao-Yang] Penn State Univ, University Pk, PA 16802 USA.
RP Smith, K (reprint author), Natl Renewable Energy Lab, Golden, CO USA.
EM kandler.smith@nrel.gov
NR 0
TC 1
Z9 1
U1 0
U2 3
PU JOHN WILEY & SONS LTD
PI CHICHESTER
PA THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND
SN 0363-907X
J9 INT J ENERG RES
JI Int. J. Energy Res.
PD FEB
PY 2010
VL 34
IS 2
SI SI
BP 95
EP 96
DI 10.1002/er.1650
PG 2
WC Energy & Fuels; Nuclear Science & Technology
SC Energy & Fuels; Nuclear Science & Technology
GA 560SR
UT WOS:000274923500001
ER
PT J
AU Abraham, DP
Dees, DW
Christophersen, J
Ho, C
Jansen, AN
AF Abraham, D. P.
Dees, D. W.
Christophersen, J.
Ho, C.
Jansen, A. N.
TI Performance of high-power lithium-ion cells under pulse discharge and
charge conditions
SO INTERNATIONAL JOURNAL OF ENERGY RESEARCH
LA English
DT Article
DE reference electrode; transportation; energy storage; impedance; HPPC
ID POSITIVE ELECTRODES; BATTERIES; IMPEDANCE; CATHODE;
LINI0.8CO0.15AL0.05O2; MECHANISMS
AB Lithium-ion cells being designed for transportation applications must sustain high current pulses under rapid discharge and rapid charge conditions without significant degradation of cell performance. In this article we examine the pulse discharge and charge performance of cells, containing a LiNi(0.8)Co(0.15)Al(0.05)O(2)-based cathode, a graphite-based anode, and a LiPF(6)-bearing EC:EMC electrolyte, at current rates ranging from 3 to 25 C. Impedance data indicate that 18650-type cells containing this chemistry can withstand 18s discharge pulses at rates up to 17C in the 3.7-4.0V voltage window. Data from cells containing a LiSn micro-reference electrode show that the positive electrode impedance increases, whereas the negative electrode impedance decreases, with increasing magnitude of the discharge current pulse. The discharge pulse-current that can be sustained by the cell is limited by lithium diffusion into oxide particles of the positive electrode. Copyright (C) 2009 John Wiley & Sons, Ltd.
C1 [Abraham, D. P.; Dees, D. W.; Jansen, A. N.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
[Christophersen, J.; Ho, C.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
RP Abraham, DP (reprint author), Argonne Natl Lab, Chem Sci & Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM abraham@cmt.anl.gov
RI Jansen, Andrew/Q-5912-2016
OI Jansen, Andrew/0000-0003-3244-7790
FU U.S. Department of Energy Office of Science [AC02-06CH11357]
FX Support from the FrecdomCAR and Vehicle Technologies Program,
specifically from D. Howell at the U.S. Department of Energy, is
gratefully acknowledged. We are grateful to P. Schliltz, I. Bloom and G.
Henriksen at Argonne, and K. Gering at INL for their contributions. The
submitted manuscript has been created by UChicago Argonne, LLC, Operator
of Argonne National Laboratory ('Argonne'). Argonne, a U.S. Department
of Energy Office of Science laboratory, is operated under Contract No.
DE-AC02-06CH11357.
NR 19
TC 16
Z9 16
U1 3
U2 39
PU JOHN WILEY & SONS LTD
PI CHICHESTER
PA THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND
SN 0363-907X
J9 INT J ENERG RES
JI Int. J. Energy Res.
PD FEB
PY 2010
VL 34
IS 2
SI SI
BP 190
EP 203
DI 10.1002/er.1665
PG 14
WC Energy & Fuels; Nuclear Science & Technology
SC Energy & Fuels; Nuclear Science & Technology
GA 560SR
UT WOS:000274923500010
ER
PT J
AU Smith, K
Kim, GH
Darcy, E
Pesaran, A
AF Smith, Kandler
Kim, Gi-Heon
Darcy, Eric
Pesaran, Ahmad
TI Thermal/electrical modeling for abuse-tolerant design of lithium ion
modules
SO INTERNATIONAL JOURNAL OF ENERGY RESEARCH
LA English
DT Article
ID THERMAL-BEHAVIOR; BATTERY; CELLS
AB Proper understanding of heat generation and design of heat dissipation paths arc critical for ensuring the safety of lithium ion modules during abuse events such as external shorts. Additionally, the behavior of positive thermal coefficient (PTC) current limiting devices-generally effective at the single-cell level-can be difficult to predict for a multi-cell module. To help guide battery pack design, a coupled thermal/electrical model of a commercial 18650-size cell and a module with 16 cells in parallel (16P) are developed. Cell electrical response is modeled using an equivalent circuit, including the temperature-dependent behavior of the PTC. Cell thermal response is modeled with a high-resolution thermal model from which a simpler 5-node thermal circuit model is extracted. Cell models are integrated into a module-level model considering cell-to-cell electrical and thermal interactions via conduction, convection. and radiation. The module-level model is validated with a 16P external short experiment and applied in a parametric study to assess thermal safety margin. Copyright (C) 2009 John Wiley & Sons, Ltd.
C1 [Smith, Kandler; Kim, Gi-Heon; Pesaran, Ahmad] Natl Renewable Energy Lab, Ctr Transportat Technol & Syst, Golden, CO USA.
[Darcy, Eric] NASA, Lyndon B Johnson Space Ctr, Div Energy Syst, Houston, TX 77058 USA.
RP Smith, K (reprint author), Natl Renewable Energy Lab, Ctr Transportat Technol & Syst, 1617 Cole Blvd, Golden, CO USA.
EM kandler.smith@nrel.gov
NR 14
TC 45
Z9 48
U1 6
U2 54
PU JOHN WILEY & SONS LTD
PI CHICHESTER
PA THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND
SN 0363-907X
J9 INT J ENERG RES
JI Int. J. Energy Res.
PD FEB
PY 2010
VL 34
IS 2
SI SI
BP 204
EP 215
DI 10.1002/er.1666
PG 12
WC Energy & Fuels; Nuclear Science & Technology
SC Energy & Fuels; Nuclear Science & Technology
GA 560SR
UT WOS:000274923500011
ER
PT J
AU Corley, CD
Cook, DJ
Mikler, AR
Singh, KP
AF Corley, Courtney D.
Cook, Diane J.
Mikler, Armin R.
Singh, Karan P.
TI Text and Structural Data Mining of Influenza Mentions in Web and Social
Media
SO INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
LA English
DT Article
DE disease surveillance; public health epidemiology; health informatics;
graph-based data mining; web and social media; social network analysis
ID SURVEILLANCE
AB Text and structural data mining of web and social media (WSM) provides a novel disease surveillance resource and can identify online communities for targeted public health communications (PHC) to assure wide dissemination of pertinent information. WSM that mention influenza are harvested over a 24-week period, 5 October 2008 to 21 March 2009. Link analysis reveals communities for targeted PHC. Text mining is shown to identify trends in flu posts that correlate to real-world influenza-like illness patient report data. We also bring to bear a graph-based data mining technique to detect anomalies among flu blogs connected by publisher type, links, and user-tags.
C1 [Corley, Courtney D.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Cook, Diane J.] Washington State Univ, Sch Elect Engn & Comp Sci, Pullman, WA 99164 USA.
[Mikler, Armin R.] Univ N Texas, Dept Comp Sci & Engn, Denton, TX 76203 USA.
[Singh, Karan P.] Univ N Texas, Hlth Sci Ctr, Dept Biostat, Ft Worth, TX 76107 USA.
RP Corley, CD (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd, Richland, WA 99352 USA.
EM court@pnl.gov
FU National Science Foundation (NSF) [NSF IIS-0505819]; Technosocial
Predictive Analytics Initiative, part of the Laboratory Directed
Research and Development Program at Pacific Northwest National
Laboratory (PNNL)
FX We would like to thank the National Science Foundation (NSF) for partial
support under grant NSF IIS-0505819 and the Technosocial Predictive
Analytics Initiative, part of the Laboratory Directed Research and
Development Program at Pacific Northwest National Laboratory (PNNL).
PNNL is operated by Battelle Memorial Institute for the U.S. Department
of Energy under contract DE-AC05-76RL01830. The contents of this
publication are the responsibility of the authors and do not necessarily
represent the official views of the NSF.
NR 24
TC 56
Z9 56
U1 8
U2 67
PU MOLECULAR DIVERSITY PRESERVATION INTERNATIONAL-MDPI
PI BASEL
PA KANDERERSTRASSE 25, CH-4057 BASEL, SWITZERLAND
SN 1660-4601
J9 INT J ENV RES PUB HE
JI Int. J. Environ. Res. Public Health
PD FEB
PY 2010
VL 7
IS 2
BP 596
EP 615
DI 10.3390/ijerph7020596
PG 20
WC Environmental Sciences; Public, Environmental & Occupational Health
SC Environmental Sciences & Ecology; Public, Environmental & Occupational
Health
GA 561JK
UT WOS:000274972000017
PM 20616993
ER
PT J
AU Balaji, P
Chan, A
Gropp, W
Thakur, R
Lusk, E
AF Balaji, Pavan
Chan, Anthony
Gropp, William
Thakur, Rajeev
Lusk, Ewing
TI THE IMPORTANCE OF NON-DATA-COMMUNICATION OVERHEADS IN MPI
SO INTERNATIONAL JOURNAL OF HIGH PERFORMANCE COMPUTING APPLICATIONS
LA English
DT Article
DE Blue Gene/P; MPI; non-data-communication overheads
AB With processor speeds no longer doubling every 18-24 months owing to the exponential increase in power consumption and heat dissipation, modern high-end computing systems tend to rely less on the performance of single processing units and instead rely on achieving high performance by using the parallelism of a massive number of low-frequency/low-power processing cores. Using such low-frequency cores, however, puts a premium on end-host pre- and post-communication processing required within communication stacks, such as the Message Passing Interface (MPI) implementation. Similarly, small amounts of serialization within the communication stack that were acceptable on small/medium systems can be brutal on massively parallel systems. Thus, in this paper, we study the different non-data-communication overheads within the MPI implementation on the IBM Blue Gene/P system. Specifically, we analyze various aspects of MPI, including the MPI stack overhead itself, overhead of allocating and queueing requests, queue searches within the MPI stack, multi-request operations, and various others. Our experiments, that scale up to 131,072 cores of the largest Blue Gene/P system in the world (80% of the total system size), reveal several insights into overheads in the MPI stack, which were not previously considered significant, but can have a substantial impact on such massive systems.
C1 [Balaji, Pavan; Chan, Anthony; Thakur, Rajeev; Lusk, Ewing] Argonne Natl Lab, Math & Comp Sci Div, Argonne, IL 60439 USA.
[Gropp, William] Univ Illinois, Dept Comp Sci, Urbana, IL 61801 USA.
RP Balaji, P (reprint author), Argonne Natl Lab, Math & Comp Sci Div, Argonne, IL 60439 USA.
EM BALAJI@MCS.ANL.GOV; CHAN@MCS.ANL.GOV; WGROPP@ILLINOIS.EDU;
THAKUR@MCS.ANL.GOV; LUSK@MCS.ANL.GOV
OI Gropp, William/0000-0003-2905-3029
FU Office of Advanced Scientific Computing Research, Office of Science,
U.S. Department of Energy [DE-FG0208ER25835]
FX This work was supported by the Mathematical, Information, and
Computational Sciences Division subprogram of the Office of Advanced
Scientific Computing Research, Office of Science, U.S. Department of
Energy, under Contract DE-AC02-06CH11357 and in part by the Office of
Advanced Scientific Computing Research, Office of Science, U. S.
Department of Energy award DE-FG0208ER25835.
NR 14
TC 6
Z9 6
U1 0
U2 0
PU SAGE PUBLICATIONS LTD
PI LONDON
PA 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND
SN 1094-3420
J9 INT J HIGH PERFORM C
JI Int. J. High Perform. Comput. Appl.
PD FEB
PY 2010
VL 24
IS 1
BP 5
EP 15
DI 10.1177/1094342009359258
PG 11
WC Computer Science, Hardware & Architecture; Computer Science,
Interdisciplinary Applications; Computer Science, Theory & Methods
SC Computer Science
GA 560JG
UT WOS:000274898000002
ER
PT J
AU Balaji, P
Buntinas, D
Goodell, D
Gropp, W
Thakur, R
AF Balaji, Pavan
Buntinas, Darius
Goodell, David
Gropp, William
Thakur, Rajeev
TI FINE-GRAINED MULTITHREADING SUPPORT FOR HYBRID THREADED MPI PROGRAMMING
SO INTERNATIONAL JOURNAL OF HIGH PERFORMANCE COMPUTING APPLICATIONS
LA English
DT Article
DE MPI; threads; hybrid programming; fine-grained locks
AB As high-end computing systems continue to grow in scale, recent advances in multi-and many-core architectures have pushed such growth toward more dense architectures, that is, more processing elements per physical node, rather than more physical nodes themselves. Although a large number of scientific applications have relied so far on an MPI-everywhere model for programming high-end parallel systems; this model may not be sufficient for future machines, given their physical constraints such as decreasing amounts of memory per processing element and shared caches. As a result, application and computer scientists are exploring alternative programming models that involve using MPI between address spaces and some other threaded model, such as OpenMP, Pthreads, or Intel TBB, within an address space. Such hybrid models require efficient support from an MPI implementation for MPI messages sent from multiple threads simultaneously. In this paper, we explore the issues involved in designing such an implementation. We present four approaches to building a fully thread-safe MPI implementation, with decreasing levels of critical-section granularity (from coarse-grain locks to fine-grain locks to lock-free operations) and correspondingly increasing levels of complexity. We present performance results that demonstrate the performance implications of the different approaches.
C1 [Balaji, Pavan; Buntinas, Darius; Goodell, David; Thakur, Rajeev] Argonne Natl Lab, Math & Comp Sci Div, Argonne, IL 60439 USA.
[Gropp, William] Univ Illinois, Dept Comp Sci, Urbana, IL 61801 USA.
RP Balaji, P (reprint author), Argonne Natl Lab, Math & Comp Sci Div, Argonne, IL 60439 USA.
EM BALAJI@MCS.ANL.GOV
OI Gropp, William/0000-0003-2905-3029
FU Office of Advanced Scientific Computing Research, Office of Science,
U.S. Department of Energy [DE-AC02-06CH11357, DE-FG02-08ER25835]
FX This work was supported by the Office of Advanced Scientific Computing
Research, Office of Science, U.S. Department of Energy, under Contract
DE-AC02-06CH11357 and Award DE-FG02-08ER25835. We thank Sameer Kumar and
others in the MPI group at IBM Research and IBM Rochester for
discussions about efficient support for thread safety in MPI.
NR 18
TC 18
Z9 19
U1 0
U2 0
PU SAGE PUBLICATIONS LTD
PI LONDON
PA 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND
SN 1094-3420
J9 INT J HIGH PERFORM C
JI Int. J. High Perform. Comput. Appl.
PD FEB
PY 2010
VL 24
IS 1
BP 49
EP 57
DI 10.1177/1094342009360206
PG 9
WC Computer Science, Hardware & Architecture; Computer Science,
Interdisciplinary Applications; Computer Science, Theory & Methods
SC Computer Science
GA 560JG
UT WOS:000274898000005
ER
PT J
AU Traff, JL
Ripke, A
Siebert, C
Balaji, P
Thakur, R
Gropp, W
AF Traeff, Jesper Larsson
Ripke, Andreas
Siebert, Christian
Balaji, Pavan
Thakur, Rajeev
Gropp, William
TI A PIPELINED ALGORITHM FOR LARGE, IRREGULAR ALL-GATHER PROBLEMS
SO INTERNATIONAL JOURNAL OF HIGH PERFORMANCE COMPUTING APPLICATIONS
LA English
DT Article
DE message-passing interface; collective operations; all-gather problem;
pipelining; NEC SX-8; Linux clusters; IBM Blue Gene/P; SiCortex
ID ALLGATHER; NETWORKS; MPICH
AB We describe and evaluate a new pipelined algorithm for large, irregular all-gather problems. In the irregular all-gather problem each process in a set of processes contributes individual data of possibly different size, and all processes have to collect all data from all processes. The pipelined algorithm is useful for the implementation of the MPI_Allgatherv collective operation of the Message-Passing Interface (MPI) for large problems. By conception, the new algorithm is well suited to implementation on clustered multiprocessors, such as symmetric multiprocessing (SMP) clusters. The new algorithm has been implemented within different MPI libraries. Benchmark results on NEC SX-8, Linux clusters with InfiniBand and Gigabit Ethernet, IBM Blue Gene/P, and SiCortex systems show huge performance gains in accordance with the expected behavior.
C1 [Traeff, Jesper Larsson; Ripke, Andreas; Siebert, Christian] NEC Europe Ltd, NEC Labs Europe, D-53757 St Augustin, Germany.
[Balaji, Pavan; Thakur, Rajeev] Argonne Natl Lab, Math & Comp Sci Div, Argonne, IL 60439 USA.
[Gropp, William] Univ Illinois, Dept Comp Sci, Urbana, IL 61801 USA.
RP Traff, JL (reprint author), NEC Europe Ltd, NEC Labs Europe, Rathausallee 10, D-53757 St Augustin, Germany.
EM TRAFF@IT.NECLAB.EU
OI Gropp, William/0000-0003-2905-3029
FU Office of Advanced Scientific Computing Research, Office of Science,
U.S. Department of Energy [DE-AC02-06CH11357]
FX This paper is a revised version of the conference presentation "A
simple, pipelined algorithm for large, irregular all-gather problems"
that appeared in "Recent Advances in Parallel Virtual Machine and
Message Passing Interface. 15th European PVM/MPI Users' Group Meeting (
Lecture Notes in Computer Science, Vol. 5205), Springer, 2008, pp.
84-93". This work was supported in part by the Mathematical,
Information, and Computational Sciences Division subprogram of the
Office of Advanced Scientific Computing Research, Office of Science,
U.S. Department of Energy, under Contract DE-AC02-06CH11357.
NR 12
TC 2
Z9 2
U1 0
U2 0
PU SAGE PUBLICATIONS LTD
PI LONDON
PA 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND
SN 1094-3420
J9 INT J HIGH PERFORM C
JI Int. J. High Perform. Comput. Appl.
PD FEB
PY 2010
VL 24
IS 1
BP 58
EP 68
DI 10.1177/1094342009359013
PG 11
WC Computer Science, Hardware & Architecture; Computer Science,
Interdisciplinary Applications; Computer Science, Theory & Methods
SC Computer Science
GA 560JG
UT WOS:000274898000006
ER
PT J
AU Brightwell, R
AF Brightwell, Ron
TI EXPLOITING DIRECT ACCESS SHARED MEMORY FOR MPI ON MULTI-CORE PROCESSORS
SO INTERNATIONAL JOURNAL OF HIGH PERFORMANCE COMPUTING APPLICATIONS
LA English
DT Article
DE MPI; shared memory; multi-core; lightweight kernel; operating system
AB In 2008, the Catamount lightweight kernel was extended to support direct access shared memory between processes running on the same compute node. This extension, called SMARTMAP, allows each process read/write access to another process' memory by extending the virtual address of each process. Simple virtual address bit manipulation can be used to access the same virtual address in a different process' address space. In this paper we describe an implementation of the Message Passing Interface (MPI) that uses SMARTMAP for intra-node message passing. SMARTMAP has several advantages over POSIX shared memory techniques for implementing MPI. We present performance results comparing MPI using SMARTMAP to the existing MPI transport layer on a quad-core Cray XT platform.
C1 Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Brightwell, R (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM RBBRIGH@SANDIA.GOV
FU United States Department of Energy's National Nuclear Security
Administration [DE-AC04-94AL85000]
FX Trammell Hudson is responsible for the implementation of SMARTMAP in
Catamount, which was an outcome of discussions between the author, Kevin
Pedretti, and Kurt Ferreira. This work would also not have been possible
without John Van Dyke, who is responsible for implementing virtual node
mode support in Catamount. The author would also like to thank Sue Kelly
and the Cray support staff at Sandia for assistance with the Red Storm
development systems. Sandia is a multiprogram laboratory operated by
Sandia Corporation, a Lockheed Martin Company, for the United States
Department of Energy's National Nuclear Security Administration under
contract DE-AC04-94AL85000.
NR 12
TC 3
Z9 3
U1 0
U2 3
PU SAGE PUBLICATIONS LTD
PI LONDON
PA 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND
SN 1094-3420
J9 INT J HIGH PERFORM C
JI Int. J. High Perform. Comput. Appl.
PD FEB
PY 2010
VL 24
IS 1
BP 69
EP 77
DI 10.1177/1094342009359014
PG 9
WC Computer Science, Hardware & Architecture; Computer Science,
Interdisciplinary Applications; Computer Science, Theory & Methods
SC Computer Science
GA 560JG
UT WOS:000274898000007
ER
PT J
AU Siegel, SF
Siegel, AR
AF Siegel, Stephen F.
Siegel, Andrew R.
TI MADRE: THE MEMORY-AWARE DATA REDISTRIBUTION ENGINE
SO INTERNATIONAL JOURNAL OF HIGH PERFORMANCE COMPUTING APPLICATIONS
LA English
DT Editorial Material
DE MPI; parallel programming; redistribution; collective communication
AB We report on the development of a new computational framework for efficiently carrying out parallel data redistribution in a limited memory environment. This new library, MADRE (Memory-Aware Data Redistribution Engine), is an open-source, C/MPI-based toolkit designed for quick and easy integration into application codes that have demanding data migration needs. At the same time, MADRE exposes a lower-level application programming interface that greatly facilitates the development and incorporation of new algorithms into the MADRE framework, thus serving as a potential organizing entity for continued research in this area. Finally, we develop, describe, and test in detail several new parallel redistribution algorithms that are incorporated into the MADRE distribution.
C1 [Siegel, Stephen F.] Univ Delaware, Dept Comp & Informat Sci, Verified Software Lab, Newark, DE 19716 USA.
[Siegel, Andrew R.] Argonne Natl Lab, Math & Comp Sci Div, Argonne, IL 60439 USA.
RP Siegel, SF (reprint author), Univ Delaware, Dept Comp & Informat Sci, Verified Software Lab, Newark, DE 19716 USA.
EM SIEGEL@CIS.UDEL.EDU; SIEGELA@MCS.ANL.GOV
NR 11
TC 2
Z9 2
U1 0
U2 2
PU SAGE PUBLICATIONS LTD
PI LONDON
PA 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND
SN 1094-3420
J9 INT J HIGH PERFORM C
JI Int. J. High Perform. Comput. Appl.
PD FEB
PY 2010
VL 24
IS 1
BP 93
EP 104
DI 10.1177/1094342009359016
PG 12
WC Computer Science, Hardware & Architecture; Computer Science,
Interdisciplinary Applications; Computer Science, Theory & Methods
SC Computer Science
GA 560JG
UT WOS:000274898000009
ER
PT J
AU Ferrandon, MS
Lewis, MA
Tatterson, DF
Gross, A
Doizi, D
Croize, L
Dauvois, V
Roujou, JL
Zanella, Y
Carles, P
AF Ferrandon, Magali S.
Lewis, Michele A.
Tatterson, David F.
Gross, Adam
Doizi, Denis
Croize, L.
Dauvois, V.
Roujou, J. L.
Zanella, Y.
Carles, P.
TI Hydrogen production by the Cu-Cl thermochemical cycle: Investigation of
the key step of hydrolysing CuCl2 to Cu2OCl2 and HCl using a spray
reactor
SO INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
LA English
DT Article
DE Thermochemical cycle; Cu-Cl cycle; Hydrogen production; Hydrolysis;
Spray reactor
ID ELECTROLYSIS
AB One of the most challenging steps in the thermochemical Cu-Cl cycle for the production of hydrogen is the hydrolysis Of CuCl2 into Cu2OCl2 and HCl while avoiding the need for excess water and the undesired thermolysis reaction, which gives CuCl and Cl-2. Argonne National Laboratory has designed a spray reactor where an aqueous solution of CuCl2 is atomized into a heated zone, into which steam/Ar are injected in co- or counter-current flow. The solid products of the reaction were analyzed by XRD and SEM. With a pneumatic nebulizer, the counter-current flow design gave high yields Of Cu2OCl2 compared to the co-current flow design, but some CuCl2 remained unreacted in both designs. With an ultrasonic nozzle, essentially 100% yields Of Cu2OCl2 were obtained. Some CuCl was present in the products with both types of atomizers but this is believed to be due to decomposition of Cu2OCl2 rather than CuCl2. Analyses of gaseous products from the hydrolysis reactions in a fixed bed were conducted at the Commissariat L'Energie Atomique using ultraviolet-visible spectrometry and conductivity. At a reaction temperature of 390 degrees C, the desired HCl was formed while no Cl-2 was detected until the bed temperature was above 400 degrees C. (C) 2009 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
C1 [Ferrandon, Magali S.; Lewis, Michele A.; Gross, Adam] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
[Tatterson, David F.] Orion Consulting Co, Downers Grove, IL 60515 USA.
[Doizi, Denis; Croize, L.; Dauvois, V.; Roujou, J. L.; Zanella, Y.; Carles, P.] CE Saclay, CEA, Dept Phys Chem, F-91191 Gif Sur Yvette, France.
RP Ferrandon, MS (reprint author), Argonne Natl Lab, Chem Sci & Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM ferrandon@anl.gov
FU U.S. Department of Energy Office of Science laboratory
[DE-AC02-06CH11357]
FX The submitted manuscript has been created by UChicago Argonne, LLC,
Operator of Argonne National Laboratory ("Argonne"). Argonne, a U.S.
Department of Energy Office of Science laboratory, is operated under
Contract No. DE-AC02-06CH11357. The U.S. Government retains for itself,
and others acting on its behalf, a paid-up nonexclusive, irrevocable
worldwide license in said article to reproduce, prepare derivative
works, distribute copies to the public, and perform publicly and display
publicly, by or on behalf of the Government.
NR 20
TC 25
Z9 26
U1 0
U2 9
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0360-3199
J9 INT J HYDROGEN ENERG
JI Int. J. Hydrog. Energy
PD FEB
PY 2010
VL 35
IS 3
BP 992
EP 1000
DI 10.1016/j.ijhydene.2009.09.086
PG 9
WC Chemistry, Physical; Electrochemistry; Energy & Fuels
SC Chemistry; Electrochemistry; Energy & Fuels
GA 560ZI
UT WOS:000274944000014
ER
PT J
AU Jo, JH
Jeon, CO
Lee, SY
Lee, DS
Park, JM
AF Jo, Ji Hye
Jeon, Che Ok
Lee, Seung Yoon
Lee, Dae Sung
Park, Jong Moon
TI Molecular characterization and homologous overexpression of
[FeFe]-hydrogenase in Clostridium tyrobutyricum JM1
SO INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
LA English
DT Article
DE Clostridium tyrobutyricum; [FeFe]-hydrogenase; Homologous
overexpression; Hydrogen production
ID ENHANCED HYDROGEN-PRODUCTION; BUTYRIC-ACID FERMENTATION;
ESCHERICHIA-COLI STRAINS; FEFE HYDROGENASES; CRYSTAL-STRUCTURE; SHUTTLE
VECTOR; DELETED MUTANT; FOOD WASTE; WILD-TYPE; ACETOBUTYLICUM
AB The H(2)-evoving [FeFe]-hydrogenase in Clostridium tyrobutyricum JM1 was isolated to elucidate molecular characterization and modular structure of the hydrogenase. Then, homologous overexpression of the hydrogenase gene was for the first time performed to enhance hydrogen production. The hydA open reading frame (ORF) was 1734-bp, encodes 577 amino acids with a predicted molecular mass of 63,970 Da, and presents 80% and 75% identity at the amino acid level with the [FeFe]-hydrogenase genes of Clostridium kluyveri DSM 555 and Clostridium acetobutylicum ATCC 824, respectively. One histidine residue and 19 cysteine residues, known to fasten one [2Fe-2S] cluster, three [4Fe-4S] clusters and one H-cluster, were conserved in hydA of C. tyrobutyricum.
A 2327-bp DNA region containing the ORF and the putative promoter region was amplified and subcloned into a pJIR418 shuttle vector. The gene transfer of the recombinant plasmid into C. tyrobutyricum JM1 was performed by a modified electrotransformation method. Homologous overexpression of the [FeFe]-hydrogenase gene resulted in a 1.7-fold and 1.5-fold increase in hydrogenase activity and hydrogen yield concomitant with the shift of metabolic pathway. (C) 2009 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
C1 [Lee, Dae Sung] Kyungpook Natl Univ, Dept Environm Engn, Taegu 702701, South Korea.
[Jo, Ji Hye] Natl Renewable Energy Lab, Biosci Ctr, Golden, CO 80401 USA.
[Jeon, Che Ok] Chung Ang Univ, Dept Life Sci, Seoul 156756, South Korea.
[Lee, Seung Yoon] Korea Water Resources Corp, K Water Res Inst, Taejon 305703, South Korea.
[Park, Jong Moon] Pohang Univ Sci & Technol, Dept Chem Engn, Pohang 790784, Gyeongbuk, South Korea.
RP Lee, DS (reprint author), Kyungpook Natl Univ, Dept Environm Engn, 1370 Sankyuk Dong, Taegu 702701, South Korea.
EM daesung@knu.ac.kr; jmpark@postech.ac.kr
FU Ministry of Education, Science and Technology [2009-0079288,
2009-0093819]; Korean Government [KRF-2008-357-D00155]; Ministry of
Knowledge and Economy (MKE)
FX This work was financially supported by Basic Science Research Program
through the National Research Foundation of Korea (NRF) funded by the
Ministry of Education, Science and Technology (2009-0079288) and by the
Korea Research Foundation Grant funded by the Korean Government
(KRF-2008-357-D00155). This work was also supported by Priority Research
Centers Program through the National Research Foundation of Korea (NRF)
funded by the Ministry of Education, Science and Technology
(2009-0093819) and by the second phase of the Brain Korea 21 Program in
2009. This work is also the outcome of a Manpower Development Program
for Energy & Resources supported by the Ministry of Knowledge and
Economy (MKE).
NR 37
TC 22
Z9 23
U1 1
U2 22
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0360-3199
J9 INT J HYDROGEN ENERG
JI Int. J. Hydrog. Energy
PD FEB
PY 2010
VL 35
IS 3
BP 1065
EP 1073
DI 10.1016/j.ijhydene.2009.11.102
PG 9
WC Chemistry, Physical; Electrochemistry; Energy & Fuels
SC Chemistry; Electrochemistry; Energy & Fuels
GA 560ZI
UT WOS:000274944000022
ER
PT J
AU Aceves, SM
Espinosa-Loza, F
Ledesma-Orozco, E
Ross, TO
Weisberg, AH
Brunner, TC
Kircher, O
AF Aceves, Salvador M.
Espinosa-Loza, Francisco
Ledesma-Orozco, Elias
Ross, Timothy O.
Weisberg, Andrew H.
Brunner, Tobias C.
Kircher, Oliver
TI High-density automotive hydrogen storage with cryogenic capable pressure
vessels
SO INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
LA English
DT Article
DE Hydrogen storage; Cryogenics; High pressure; Cryo-compressed
ID VEHICLES
AB LLNL is developing cryogenic capable pressure vessels with thermal endurance 5-10 times greater than conventional liquid hydrogen (LH(2)) tanks that can eliminate evaporative losses in routine usage of (L)H(2) automobiles. in a joint effort BMW is working on a proof of concept for a first automotive cryo-compressed hydrogen storage system that can fulfill automotive requirements on system performance, life cycle, safety and cost. Cryogenic pressure vessels can be fueled with ambient temperature compressed gaseous hydrogen (CGH(2)), LH(2) or cryogenic hydrogen at elevated supercritical pressure (cryo-compressed hydrogen, CcH(2)). When filled with LH(2) or CcH(2), these vessels contain 2-3 times more fuel than conventional ambient temperature compressed H(2) vessels. LLNL has demonstrated fueling with LH(2) onboard two vehicles. The generation 2 vessel, installed onboard an H(2)-powered Toyota Prius and fueled with LH(2) demonstrated the longest unrefueled driving distance and the longest cryogenic H(2) hold time without evaporative losses. A third generation vessel will be installed, reducing weight and volume by minimizing insulation thickness while still providing acceptable thermal endurance. Based on its long experience with cryogenic hydrogen storage, BMW has developed its cryo-compressed hydrogen storage concept, which is now undergoing a thorough system and component validation to prove compliance with automotive requirements before it can be demonstrated in a BMW test vehicle. (C) 2009 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
C1 [Aceves, Salvador M.; Espinosa-Loza, Francisco; Ledesma-Orozco, Elias; Ross, Timothy O.; Weisberg, Andrew H.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
[Brunner, Tobias C.; Kircher, Oliver] BMW Grp, D-80788 Munich, Germany.
RP Aceves, SM (reprint author), Lawrence Livermore Natl Lab, POB 808,L-792, Livermore, CA 94551 USA.
EM saceves@llnl.gov; tobias.a.brunner@bmw.de; oliver.kircher@bmw.de
RI aceves, salvador/G-9052-2011
OI aceves, salvador/0000-0001-5687-7256
FU DOE, Office of Hydrogen and Fuel Cell Technologies, Monterey Gardiner,
Technology Development Manager; U.S. Department of Energy
[DE-AC52-07NA27344]
FX This project was funded by DOE, Office of Hydrogen and Fuel Cell
Technologies, Monterey Gardiner, Technology Development Manager. This
work performed under the auspices of the U.S. Department of Energy by
Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344.
Work has furthermore been done under CRADA TC02119 between LLNL and the
BMW Group.
NR 22
TC 56
Z9 57
U1 3
U2 20
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0360-3199
J9 INT J HYDROGEN ENERG
JI Int. J. Hydrog. Energy
PD FEB
PY 2010
VL 35
IS 3
BP 1219
EP 1226
DI 10.1016/j.ijhydene.2009.11.069
PG 8
WC Chemistry, Physical; Electrochemistry; Energy & Fuels
SC Chemistry; Electrochemistry; Energy & Fuels
GA 560ZI
UT WOS:000274944000037
ER
PT J
AU Gao, F
Yang, YF
Liu, J
Shao, HX
AF Gao, Feng
Yang, Yifu
Liu, Jun
Shao, Huixia
TI Single-particle investigation on the activation process of a hydrogen
storage alloy
SO INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
LA English
DT Article
DE Single particle; Ultramicroelectrode; Hydrogen storage alloys;
Activation; Ni-MH battery
ID MICROELECTRODE TECHNIQUE; NICKEL-HYDROXIDE; SURFACE MODIFICATION; NI/MH
BATTERIES; ELECTRODE; LANI5; MMNI(3.55)CO(0.75)MN(0.4)AL(0.3);
X=0.1-0.5; MODEL; NI
AB Using an improved apparatus to investigate the activation process of single particles of hydrogen storage alloy LaNi3.55Co0.75Mn0.4Al0.3, we directly showed the particle's morphology changes during the activation process. Electrochemical proper-ties were systematically monitored during the activation process of the single particles. We finally proposed a new parameter - normalized output rate (NOR) - to evaluate the output performance of the electrode material. in addition to revealing what occurred during the activation process, we provided a program for the quick testing of electrode materials. (C) 2009 Published by Elsevier Ltd on behalf of Professor T. Nejat Veziroglu.
C1 [Gao, Feng; Yang, Yifu; Shao, Huixia] Wuhan Univ, Dept Chem, Wuhan 430072, Peoples R China.
[Liu, Jun] Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Yang, YF (reprint author), Wuhan Univ, Dept Chem, Wuhan 430072, Peoples R China.
EM yang-y-f1@vip.sina.com; jun.liu@lbl.gov
FU National High-Tech Research and Development Project [2006 AA11A152]
FX This research was financially supported by the National High-Tech
Research and Development Project (Project "863") with Contract No. 2006
AA11A152.
NR 27
TC 3
Z9 4
U1 0
U2 8
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0360-3199
EI 1879-3487
J9 INT J HYDROGEN ENERG
JI Int. J. Hydrog. Energy
PD FEB
PY 2010
VL 35
IS 3
BP 1273
EP 1279
DI 10.1016/j.ijhydene.2009.11.084
PG 7
WC Chemistry, Physical; Electrochemistry; Energy & Fuels
SC Chemistry; Electrochemistry; Energy & Fuels
GA 560ZI
UT WOS:000274944000044
ER
PT J
AU Liu, XB
Wang, M
Meng, J
Ben-Naim, E
Guo, ZY
AF Liu, X. B.
Wang, M.
Meng, J.
Ben-Naim, E.
Guo, Z. Y.
TI Minimum Entransy Dissipation Principle for Optimization of Transport
Networks
SO INTERNATIONAL JOURNAL OF NONLINEAR SCIENCES AND NUMERICAL SIMULATION
LA English
DT Article
DE transport network optimization; entransy dissipation rate; Murray's law
ID HEAT-CONDUCTION; POROUS-MEDIA; VOLUME; POINT; LAW
AB The concept of entransy, which describes the capability of heat conduction in the continuum and was originally used for optimization of heat transfer devices, has been extended for optimization of transport networks in this contribution. Based on the definition of the entransy dissipation rate for transport networks, the analysis indicates that the minimum entransy dissipation rate leads to the optimal transfer performance of transport network subject to a given constraint. The present optimization analyses agree well with the existing experimental data and optimization theories for transport networks.
C1 [Wang, M.] Los Alamos Natl Lab, Div Earth & Environm Sci, Los Alamos, NM 87545 USA.
[Liu, X. B.; Meng, J.; Guo, Z. Y.] Tsinghua Univ, Dept Engn Mech, Beijing 100084, Peoples R China.
[Wang, M.; Ben-Naim, E.] Los Alamos Natl Lab, Ctr Nonlinear Study, Los Alamos, NM 87545 USA.
RP Wang, M (reprint author), Los Alamos Natl Lab, Div Earth & Environm Sci, Los Alamos, NM 87545 USA.
EM mwang@lanl.gov
RI Wang, Moran/A-1150-2010; 柳, 雄斌/H-7429-2016
OI 柳, 雄斌/0000-0002-6954-8547
FU Major State Basic Research Development Program of China [2007CB206901];
LANL [20080727PRD2]
FX This work is supported by the Major State Basic Research Development
Program of China (No.2007CB206901). MW thanks the support by LANL's LDRD
Project 20080727PRD2 through the J. R. Oppenheimer Fellowship.
NR 16
TC 18
Z9 25
U1 0
U2 13
PU FREUND PUBLISHING HOUSE LTD
PI TEL AVIV
PA PO BOX 35010, TEL AVIV 61350, ISRAEL
SN 1565-1339
J9 INT J NONLIN SCI NUM
JI Int. J. Nonlinear Sci. Numer. Simul.
PD FEB
PY 2010
VL 11
IS 2
BP 113
EP 120
PG 8
WC Engineering, Multidisciplinary; Mathematics, Applied; Mechanics;
Physics, Mathematical
SC Engineering; Mathematics; Mechanics; Physics
GA 603UA
UT WOS:000278232400006
ER
PT J
AU Olmschenk, S
Hayes, D
Matsukevich, DN
Maunz, P
Moehring, DL
Monroe, C
AF Olmschenk, S.
Hayes, D.
Matsukevich, D. N.
Maunz, P.
Moehring, D. L.
Monroe, C.
TI QUANTUM LOGIC BETWEEN DISTANT TRAPPED IONS
SO INTERNATIONAL JOURNAL OF QUANTUM INFORMATION
LA English
DT Article
DE Trapped ions; photons; heralded gate; quantum teleportation
ID SINGLE-PHOTON SOURCE; PODOLSKY-ROSEN CHANNELS; ATOMIC IONS; CLOCK
TRANSITION; ENTANGLED STATES; PAUL TRAP; YB-II; TELEPORTATION; QUBITS;
INTERFERENCE
AB Trapped atomic ions have proven to be one of the most promising candidates for the realization of quantum computation due to their long trapping times, excellent coherence properties, and exquisite control of the internal atomic states. Integrating ions (quantum memory) with photons (distance link) offers a unique path to large-scale quantum computation and long-distance quantum communication. In this article, we present a detailed review of the experimental implementation of a heralded photon-mediated quantum gate between remote ions, and the employment of this gate to perform a teleportation protocol between two ions separated by a distance of about one meter.
C1 [Olmschenk, S.; Hayes, D.; Matsukevich, D. N.; Maunz, P.; Monroe, C.] Univ Maryland, Dept Phys, Joint Quantum Inst, College Pk, MD 20742 USA.
[Olmschenk, S.; Hayes, D.; Matsukevich, D. N.; Maunz, P.; Monroe, C.] NIST, College Pk, MD 20742 USA.
[Moehring, D. L.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Olmschenk, S (reprint author), Univ Maryland, Dept Phys, Joint Quantum Inst, College Pk, MD 20742 USA.
EM steven.olmschenk@gmail.com
RI Matsukevich, Dzmitry/C-9134-2009; Olmschenk, Steven/D-4960-2011; Monroe,
Christopher/G-8105-2011
OI Olmschenk, Steven/0000-0003-0105-7714;
FU IARPA; NSF; NSF Physics Frontier Center at the Joint Quantum Institute
FX We would like to thank Luming Duan and Kelly Younge for their valuable
contributions. This work is supported by IARPA under ARO contract, the
NSF PIF Program, and the NSF Physics Frontier Center at the Joint
Quantum Institute.
NR 133
TC 13
Z9 13
U1 1
U2 15
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA 5 TOH TUCK LINK, SINGAPORE 596224, SINGAPORE
SN 0219-7499
J9 INT J QUANTUM INF
JI Int. J. Quantum Inf.
PD FEB-MAR
PY 2010
VL 8
IS 1-2
BP 337
EP 394
DI 10.1142/S0219749910006381
PG 58
WC Computer Science, Theory & Methods; Physics, Particles & Fields;
Physics, Mathematical
SC Computer Science; Physics
GA 603FR
UT WOS:000278194600014
ER
PT J
AU Sowa, MB
Goetz, W
Baulch, JE
Pyles, DN
Dziegielewski, J
Yovino, S
Snyder, AR
De Toledo, SM
Azzam, EI
Morgan, WF
AF Sowa, Marianne B.
Goetz, Wilfried
Baulch, Janet E.
Pyles, Dinah N.
Dziegielewski, Jaroslaw
Yovino, Susannah
Snyder, Andrew R.
De Toledo, Sonia M.
Azzam, Edouard I.
Morgan, William F.
TI Lack of evidence for low-LET radiation induced bystander response in
normal human fibroblasts and colon carcinoma cells
SO INTERNATIONAL JOURNAL OF RADIATION BIOLOGY
LA English
DT Article
DE bystander effects; human cells; ionising radiation; low-LET
ID INDUCED GENOMIC INSTABILITY; MEDIATED INTERCELLULAR COMMUNICATION;
TARGETED CYTOPLASMIC IRRADIATION; CHARGED-PARTICLE MICROBEAM; HUMAN SKIN
FIBROBLASTS; LOW-DOSE RADIATION; IONIZING-RADIATION; MAMMALIAN-CELLS;
ALPHA-PARTICLES; NONIRRADIATED CELLS
AB Purpose: To investigate radiation-induced bystander responses and to determine the role of gap junction intercellular communication and the radiation environment in propagating this response.
Materials and methods: We used medium transfer and targeted irradiation to examine radiation-induced bystander effects in primary human fibroblast (AG01522) and human colon carcinoma (RKO36) cells. We examined the effect of variables such as gap junction intercellular communication, linear energy transfer (LET), and the role of the radiation environment in non-targeted responses. Endpoints included clonogenic survival, micronucleus formation and foci formation at histone 2AX over doses ranging from 10-100 cGy.
Results: The results showed no evidence of a low-LET radiation-induced bystander response for the endpoints of clonogenic survival and induction of DNA damage. Nor did we see evidence of a high-LET, Fe ion radiation (1 GeV/n) induced bystander effect. However, direct comparison for 3.2 McV alpha-particle exposures showed a statistically significant medium transfer bystander effect for this high-LET radiation.
Conclusions: From our results, it is evident that there are many confounding factors influencing bystander responses as reported in the literature. Our observations reflect the inherent variability in biological systems and the difficulties in extrapolating from in vitro models to radiation risks in humans.
C1 [Sowa, Marianne B.; Morgan, William F.] Pacific NW Natl Lab, Richland, WA 99354 USA.
[Goetz, Wilfried; Baulch, Janet E.; Pyles, Dinah N.; Yovino, Susannah; Morgan, William F.] Univ Maryland, Radiat Oncol Res Lab, Baltimore, MD 21201 USA.
[Goetz, Wilfried; Baulch, Janet E.; Pyles, Dinah N.; Yovino, Susannah; Morgan, William F.] Univ Maryland, Greenebaum Canc Ctr, Baltimore, MD 21201 USA.
[Dziegielewski, Jaroslaw] Univ Virginia, Dept Radiat Oncol, Charlottesville, VA USA.
[Snyder, Andrew R.] Targanox, Boston, MA USA.
[De Toledo, Sonia M.; Azzam, Edouard I.] Univ Med & Dent New Jersey, New Jersey Med Sch, Dept Radiol, Newark, NJ 07103 USA.
RP Sowa, MB (reprint author), Pacific NW Natl Lab, MS P7-56, Richland, WA 99354 USA.
EM Marianne.sowa@pnl.gov
FU Biological and Environmental Research Program (BER); U.S. Department of
Energy [DE-AC06-76RLO, DE-FG02-05ER64082]; NASA [NNJ06HD31G,
NNX07AT42G]; NIH-National Cancer Institute [CA92262-01]
FX We thank J. Corcoran for preparation of the Figures and L. M. Markillie
for performing statistical analysis of the data. This work was supported
by the Biological and Environmental Research Program (BER), U.S.
Department of Energy, Grant No. DE-AC06-76RLO (MBS) and
DE-FG02-05ER64082 (WFM). Work performed at Brookhaven National
Laboratory was supported by NASA, Grant No. NNJ06HD31G (WFM) and
NNX07AT42G (JEB). Work performed at UMDNJ-New Jersey Medical School was
supported by NIH-National Cancer Institute, Grant No. CA92262-01 (EIA).
NR 55
TC 43
Z9 45
U1 0
U2 2
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0955-3002
J9 INT J RADIAT BIOL
JI Int. J. Radiat. Biol.
PD FEB
PY 2010
VL 86
IS 2
BP 102
EP 113
DI 10.3109/09553000903419957
PG 12
WC Biology; Nuclear Science & Technology; Radiology, Nuclear Medicine &
Medical Imaging
SC Life Sciences & Biomedicine - Other Topics; Nuclear Science &
Technology; Radiology, Nuclear Medicine & Medical Imaging
GA 556YH
UT WOS:000274629400003
PM 20148696
ER
PT J
AU Robinett, RD
Wilson, DG
AF Robinett, Rush D., III
Wilson, David G.
TI Collective plume tracing: A minimal information approach to collective
control
SO INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL
LA English
DT Article
DE Hamiltonian systems; Fisher information; collective systems; exergy
ID DECENTRALIZED CONTROL; MATHEMATICAL-THEORY; COMMUNICATION; VEHICLES;
LINKS
AB A team of simple robots are used to trace a chemical plume to its source in order to find buried landmines. The goal of this paper is to analyze and design 'emergent' behaviors to enable the team of simple robots to perform plume tracing with the assistance of information theory. The first step in the design process is to define a fundamental trade-off for collective systems between processing, memory, and communications for each robot in order to execute the desired collective behaviors. The baseline problem is to determine the minimum values for processing, memory, and communications simultaneously. This will enable the designer to determine the required information flow and how effectively the information resources are being utilized in collective systems. The solution to this baseline problem is an 8-bit processor, no memory, and three words to communicate. The details of this solution are described in this paper. The second step is to extend the previous kinematic solution to a more general Hamiltonian-based solution to develop a Fisher Information Equivalency. The Fisher Information Equivalency leads directly to necessary and sufficient conditions for stability and control of nonlinear collective systems via physical and information exergy flows. In particular, the creation of a 'virtual/information potential' by the team of robots via the decentralized distributed networked sensors produces a direct relationship between proportional feedback control, stored exergy in the system, and Fisher Information. This nonlinear stability formulation through Fisher Information directly provides an optimization problem to 'tune' the performance of the team of robots as a function of required information resources. Copyright (C) 2009 John Wiley & Sons, Ltd.
C1 [Robinett, Rush D., III; Wilson, David G.] Sandia Natl Labs, Energy Resources & Syst Anal Ctr, Albuquerque, NM 87185 USA.
RP Wilson, DG (reprint author), Sandia Natl Labs, Energy Resources & Syst Anal Ctr, POB 5800, Albuquerque, NM 87185 USA.
EM dwilso@sandia.gov
FU U.S. Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]
FX Sandia National Laboratories is a multiprogram laboratory operated by
Sandia Corporation, a Lockheed Martin Company, for the U.S. Department
of Energy's National Nuclear Security Administration under contract
DE-AC04-94AL85000.
NR 37
TC 4
Z9 4
U1 0
U2 2
PU JOHN WILEY & SONS LTD
PI CHICHESTER
PA THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND
SN 1049-8923
J9 INT J ROBUST NONLIN
JI Int. J. Robust Nonlinear Control
PD FEB
PY 2010
VL 20
IS 3
BP 253
EP 268
DI 10.1002/rnc.1420
PG 16
WC Automation & Control Systems; Engineering, Electrical & Electronic;
Mathematics, Applied
SC Automation & Control Systems; Engineering; Mathematics
GA 544TO
UT WOS:000273682400001
ER
PT J
AU N'Guessan, AL
Elifantz, H
Nevin, KP
Mouser, PJ
Methe, B
LWoodard, T
Manley, K
Williams, KH
Wilkins, MJ
Larsen, JT
Long, PE
Lovley, DR
AF N'Guessan, A. Lucie
Elifantz, Hila
Nevin, Kelly P.
Mouser, Paula J.
Methe, Barbara
LWoodard, Trevor
Manley, Kimberly
Williams, Kenneth H.
Wilkins, Michael J.
Larsen, Joern T.
Long, Philip E.
Lovley, Derek R.
TI Molecular analysis of phosphate limitation in Geobacteraceae during the
bioremediation of a uranium-contaminated aquifer
SO ISME JOURNAL
LA English
DT Article
DE geobacteraceae; phosphate-limitation; uranium bioremediation; gene
expression
ID RHIZOBIUM SINORHIZOBIUM MELILOTI; DISSIMILATORY METAL REDUCTION;
BACTERIAL COMMUNITY STRUCTURE; IN-SITU BIOSTIMULATION; ESCHERICHIA-COLI;
PST OPERON; FAMILY GEOBACTERACEAE; TRANSCRIPTIONAL ANALYSIS; QUANTIFYING
EXPRESSION; STARVATION RESPONSE
AB Nutrient limitation is an environmental stress that may reduce the effectiveness of bioremediation strategies, especially when the contaminants are organic compounds or when organic compounds are added to promote microbial activities such as metal reduction. Genes indicative of phosphate-limitation were identified by microarray analysis of chemostat cultures of Geobacter sulfureducens. This analysis revealed that genes in the pst-pho operon, which is associated with a high-affinity phosphate uptake system in other microorganisms, had significantly higher transcript abundance under phosphate-limiting conditions, with the genes pstB and phoU upregulated the most. Quantitative PCR analysis of pstB and phoU transcript levels in G. sulfurreducens grown in chemostats demonstrated that the expression of these genes increased when phosphate was removed from the culture medium. Transcripts of pstB and phoU within the subsurface Geobacter species predominating during an in situ uranium-bioremediation field experiment were more abundant than in chemostat cultures of G. sulfurreducens that were not limited for phosphate. Addition of phosphate to incubations of subsurface sediments did not stimulate dissimilatory metal reduction. The added phosphate was rapidly adsorbed onto the sediments. The results demonstrate that Geobacter species can effectively reduce U(VI) even when experiencing suboptimal phosphate concentrations and that increasing phosphate availability with phosphate additions is difficult to achieve because of the high reactivity of this compound. This transcript-based approach developed for diagnosing phosphate limitation should be applicable to assessing the potential need for additional phosphate in other bioremediation processes. The ISME Journal (2010) 4, 253-266; doi: 10.1038/ismej.2009.115; published online 10 December 2009
C1 [N'Guessan, A. Lucie; Long, Philip E.] Pacific NW Natl Lab, Dept Microbiol, Richland, WA 99352 USA.
[N'Guessan, A. Lucie; Elifantz, Hila; Nevin, Kelly P.; Mouser, Paula J.; LWoodard, Trevor; Manley, Kimberly; Lovley, Derek R.] Univ Massachusetts, Dept Microbiol, Amherst, MA 01003 USA.
[Methe, Barbara] J Craig Venter Inst, Microbial & Environm Genom Grp, Rockville, MD USA.
[Williams, Kenneth H.; Larsen, Joern T.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
[Wilkins, Michael J.] Univ Calif Berkeley, Dept Earth & Planetary Sci, Berkeley, CA 94720 USA.
RP N'Guessan, AL (reprint author), Pacific NW Natl Lab, Dept Microbiol, POB 999, Richland, WA 99352 USA.
EM lucie.nguessan@pnl.gov
RI Wilkins, Michael/A-9358-2013; Long, Philip/F-5728-2013; Williams,
Kenneth/O-5181-2014
OI Long, Philip/0000-0003-4152-5682; Williams, Kenneth/0000-0002-3568-1155
FU Office of Science (BER), U.S. Department of Energy [DE-FC02-02ER63446,
DE-FG02-07ER64377]; LBNL-DOE [DE-AC02-05CH11231]
FX This research was supported by the Office of Science (BER), U.S.
Department of Energy, Cooperative Agreement No. DE-FC02-02ER63446 and
Grant No. DE-FG02-07ER64377, as well as LBNL-DOE Contract No.
DE-AC02-05CH11231.
NR 58
TC 25
Z9 26
U1 6
U2 19
PU NATURE PUBLISHING GROUP
PI NEW YORK
PA 75 VARICK ST, 9TH FLR, NEW YORK, NY 10013-1917 USA
SN 1751-7362
J9 ISME J
JI ISME J.
PD FEB
PY 2010
VL 4
IS 2
BP 253
EP 266
DI 10.1038/ismej.2009.115
PG 14
WC Ecology; Microbiology
SC Environmental Sciences & Ecology; Microbiology
GA 559DG
UT WOS:000274800300011
PM 20010635
ER
PT J
AU Egami, T
AF Egami, T.
TI Understanding the Properties and Structure of Metallic Glasses at the
Atomic Level
SO JOM
LA English
DT Article
ID FREE-VOLUME MODEL; AMORPHOUS SOLIDS; RELAXATION; TRANSITION; DIFFUSION;
LIQUID
AB Liquids and glasses have been well known to human kind for millennia. And yet major mysteries remain in the behavior of glasses and liquids at the atomic level, and identifying the microscopic mechanisms that control the properties of glasses is one of the most challenging unsolved problems in physical sciences. For this reason, applying simplistic approaches to explain the behavior of metallic glasses can lead to serious errors. On the other hand because metallic glasses are atomic glasses with relatively simple structure, they may offer better opportunities to advance our fundamental understanding on the nature of the glass. The difficulties inherent to the problem and some recent advances are reviewed here.
C1 [Egami, T.] Univ Tennessee, Joint Inst Neutron Sci, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
[Egami, T.] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA.
[Egami, T.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Egami, T (reprint author), Univ Tennessee, Joint Inst Neutron Sci, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
EM egami@utk.edu
FU Division of Materials Sciences and Engineering, Office of Basic Energy
Sciences, U.S. Department of Engergy
FX The author is grateful to his colloborators for valuable input, T Nagase
in particular for his comments and information regarding radiation
damage in metallic glasses. This work has been sponsored by the Division
of Materials Sciences and Engineering, Office of Basic Energy Sciences,
U.S. Department of Engergy.
NR 40
TC 33
Z9 34
U1 4
U2 42
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1047-4838
J9 JOM-US
JI JOM
PD FEB
PY 2010
VL 62
IS 2
BP 70
EP 75
PG 6
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Mineralogy; Mining & Mineral Processing
SC Materials Science; Metallurgy & Metallurgical Engineering; Mineralogy;
Mining & Mineral Processing
GA 551LO
UT WOS:000274211000014
ER
PT J
AU Yang, Y
Ye, JC
Lu, J
Gao, YF
Liaw, PK
AF Yang, Yong
Ye, Jianchao
Lu, Jian
Gao, Yanfei
Liaw, Peter K.
TI Metallic Glasses: Gaining Plasticity for Microsystems
SO JOM
LA English
DT Article
ID SHEAR BANDS; MECHANICAL-BEHAVIOR; INHOMOGENEOUS FLOW; AMORPHOUS-ALLOYS;
BULK; DEFORMATION; STRENGTH; FRACTURE; MICROPILLARS; COMPRESSION
AB Since the 1960s, metallic glasses (MGs) have attracted tremendous research interest in materials science and engineering, given their unique combination of mechanical properties. However, the industrial applications of MGs have been hindered due to their lack of ductility in bulk form at room temperature. In contrast, it was observed that MGs could exhibit excellent plasticity at the small size scale. In this article, we summarize the related experimental findings having been reported so far together with the possible origins of such a size effect in MGs. The enhanced plasticity of MGs in small volumes, together with their high mechanical strengths and remarkable thermoplastic formability, strongly implies that MGs are the promising materials for fabricating the next generation of micro- and nano-devices.
C1 [Yang, Yong; Ye, Jianchao; Lu, Jian] Hong Kong Polytech Univ, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R China.
[Gao, Yanfei; Liaw, Peter K.] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
[Gao, Yanfei] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN USA.
RP Yang, Y (reprint author), Hong Kong Polytech Univ, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R China.
EM mmyyang@polyu.edu.hk
RI Gao, Yanfei/F-9034-2010; ye, jianchao/A-6388-2011; Yang,
Yong/G-9148-2011
OI Gao, Yanfei/0000-0003-2082-857X; Yang, Yong/0000-0002-0491-8295
FU GRF; Hong Kong Government; National Science Foundation International
Materials Institutes (IMI) [PolyU 5203/08E, DMR-0231320]; National
Science Foundation [DMR 0909037]; [1-ZV4J]
FX Y.Y. acknowledges the internal research fund (Grant # 1-ZV4J), provided
for newly recruited staff, by the Hong Kong Polytechnic University for
conducting the current research. J. Lu is greateful for the financial
support from GRF, the Hong Kong Government, with the grant number of
PolyU 5203/08E. P.K.L. would like to greatly acknowledge the support of
the National Science Foundation International Materials Institutes (IMI)
Program (DMR-0231320). YFG. acknowledges support from the National
Science Foundation (DMR 0909037). The authors apprectiate the provision
of testing materials by Prof. C.T. Liu, Prof. J.S.C. Jang, Prof. Y.
Yokoyama, and Dr. G. Wang.
NR 59
TC 21
Z9 21
U1 0
U2 23
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1047-4838
EI 1543-1851
J9 JOM-US
JI JOM
PD FEB
PY 2010
VL 62
IS 2
BP 93
EP 98
PG 6
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Mineralogy; Mining & Mineral Processing
SC Materials Science; Metallurgy & Metallurgical Engineering; Mineralogy;
Mining & Mineral Processing
GA 551LO
UT WOS:000274211000017
ER
PT J
AU Bedeaux, BC
Trott, WM
Castaneda, JN
AF Bedeaux, Brett C.
Trott, Wayne M.
Castaneda, Jaime N.
TI Velocity measurements of inert porous materials driven by
infrared-laser-ablated thin-film titanium
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
DE blackbody radiation; hydrodynamics; laser ablation; metallic thin films;
porous materials; solid-state plasma; titanium; vaporisation
ID SWITCHED RUBY-LASER; SHOCKED SURFACES; INITIATION
AB This article presents and interprets a series of experiments performed to measure the velocity of four inert low-density porous materials that were accelerated by an ablated thin-film titanium metal, created by vaporizing a 250-nm-thick layer of titanium with a high-energy, Q-switched, pulsed, and 1.054 mu m neodymium-glass laser. Inert powder materials were chosen to match, among other characteristics, the morphology of energetic materials under consideration for use in detonator applications. The observed behavior occurs near the thin-film titanium ablation layer, through complex physical mechanisms, including laser absorption in the metal layer, ablation and formation of confined plasma that is a blackbody absorber of the remaining photon energy, and vaporization of the remaining titanium metal. One-dimensional hydrodynamic modeling provided a basis of comparison with the measured velocities. We found, as predicted in wave-propagation-code modeling, that an Asay foil can indicate total momentum of the driven material that is mechanically softer (lower in shock impedance) than the foil. The key conclusion is that the specific impulse delivered by the laser transfers a corresponding momentum to soft, organic power columns that are readily compacted. Impulse from the laser is less efficient in transferring momentum to hard inorganic particles that are less readily compacted.
C1 [Bedeaux, Brett C.; Trott, Wayne M.; Castaneda, Jaime N.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Bedeaux, BC (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM bcbedea@sandia.gov
FU U. S. Department of Energy [DE-AC04-94AL85000, SAND2009-2455J]
FX The authors thank Dr. Marcia Cooper and operations personnel at the
Sandia National Laboratories Explosive Components Facility for their
help and cooperation in the laboratory characterization of the inert
powder materials. The authors express appreciation for funding
facilitated by Mary E. Gonzales, Jim Wilder Jr., Joe Thomes, and Sara
Pecak, all of whom were or are still at Sandia National Laboratories.
Sandia is a multiprogram laboratory operated by Sandia Corporation, a
Lockheed Martin Company, for the U. S. Department of Energy under
Contract No. DE-AC04-94AL85000. SAND2009-2455J was the Sandia National
Laboratories document number assigned to this article.
NR 40
TC 1
Z9 1
U1 2
U2 9
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-8979
J9 J APPL PHYS
JI J. Appl. Phys.
PD FEB
PY 2010
VL 107
IS 3
AR 034912
DI 10.1063/1.3273317
PG 9
WC Physics, Applied
SC Physics
GA 555MZ
UT WOS:000274517300126
ER
PT J
AU Grierson, DS
Sumant, AV
Konicek, AR
Friedmann, TA
Sullivan, JP
Carpick, RW
AF Grierson, D. S.
Sumant, A. V.
Konicek, A. R.
Friedmann, T. A.
Sullivan, J. P.
Carpick, R. W.
TI Thermal stability and rehybridization of carbon bonding in tetrahedral
amorphous carbon
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
DE amorphous state; bonds (chemical); carbon; EXAFS; Raman spectra; rapid
thermal annealing; thermal stability; thin films; XANES
ID DIAMOND-LIKE CARBON; CATHODIC-ARC DEPOSITION; THIN-FILMS; STRESS;
MICROSCOPY; EVOLUTION; HARDNESS; MODULUS; VACUUM
AB We perform a quantitative investigation of the energetics of thermally induced sp(3)-> sp(2) conversion of carbon-carbon bonds in tetrahedral amorphous carbon (ta-C) films by using near-edge x-ray absorption fine structure (NEXAFS) and Raman spectroscopy. We investigate the evolution of the bonding configuration in ta-C thin films subjected to high temperature annealing in flowing Argon gas using a rapid thermal annealing furnace over the range of 200-1000 degrees C. We observe no substantial change in bonding structure below 600 degrees C. Changes in the NEXAFS and Raman spectra start to appear above 600 degrees C, and by 1000 degrees C a significant increase in the sp(2) bonding in the film is observed. No oxygen bonding is detected in the NEXAFS spectra, but we do observe an isosbestic point, demonstrating that the thermally driven sp(3)-> sp(2) conversion reaction occurs without passing through an intermediate transition state. This allows us to use NEXAFS spectra of thermally annealed ta-C films to quantitatively determine that the activation energy for directly converting the sp(3)-bonded carbon to the sp(2)-bonded configuration is 3.5 +/- 0.9 eV.
C1 [Grierson, D. S.] Univ Wisconsin, Dept Mech Engn, Madison, WI 53706 USA.
[Sumant, A. V.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
[Konicek, A. R.] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA.
[Friedmann, T. A.; Sullivan, J. P.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Carpick, R. W.] Univ Penn, Dept Mech Engn & Appl Mech, Philadelphia, PA 19104 USA.
RP Grierson, DS (reprint author), Univ Wisconsin, Dept Mech Engn, Madison, WI 53706 USA.
EM dsgrierson@wisc.edu
FU Air Forc [FA9550-08-1-0024]; DOE [DE-AC02-05CH11231, DE-AC02-06CH11357]
FX Funding was provided by the Air Force under Grant No. FA9550-08-1-0024.
The NEXAFS work was at the ALS which was supported by the DOE under
Contract No. DE-AC02-05CH11231. Use of the Center for Nanoscale
Materials was supported by the U.S. Department of Energy, Office of
Science, Office of Basic Energy Sciences, under Contract No.
DE-AC02-06CH11357. The authors would also like to acknowledge help from
Dr. J. Denlinger for his assistance with NEXAFS measurements at the ALS.
NR 29
TC 30
Z9 30
U1 2
U2 25
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-8979
J9 J APPL PHYS
JI J. Appl. Phys.
PD FEB
PY 2010
VL 107
IS 3
AR 033523
DI 10.1063/1.3284087
PG 5
WC Physics, Applied
SC Physics
GA 555MZ
UT WOS:000274517300040
ER
PT J
AU Lin, SH
Rappoport, TG
Berciu, M
Janko, B
AF Lin, Shi-Hsin
Rappoport, Tatiana G.
Berciu, Mona
Janko, Boldizsar
TI The effect of impurities on spin-polarized Zeeman bound states in dilute
magnetic semiconductor-superconductor hybrids
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
DE bound states; magnetic impurities; semiconductor quantum wells;
semimagnetic semiconductors; spin polarised transport; superconducting
semiconductors; wave functions; Zeeman effect
ID FIELDS; CONFINEMENT; SCATTERING; (GA,MN)AS; ELECTRONS; SPLINES; PHYSICS;
TUBES; FLUX
AB We investigate the effect of single and multiple impurities on the Zeeman-localized, spin-polarized bound states in dilute magnetic semiconductor hybrid system. Such bound states appear whenever a dilute magnetic semiconductor showing giant Zeeman effect is exposed to an external magnetic field showing nanoscale inhomogeneity. We consider the specific example of a superconductor-dilute magnetic semiconductor hybrid, calculate the energy spectrum and the wave functions of the bound states in the presence of a single impurity, and monitor the evolution of the bound state as a function of the impurity strength and impurity location with respect to the center of the Zeeman trapping potential. Our results have important experimental implications as they predict robust spin textures even for ideal samples. We find that for all realistic impurity strengths the Zeeman bound state survives the presence of the impurity. We also investigate the effect of a large number of impurities and perform ensemble averages with respect to the impurity locations. We find that the spin-polarized Zeeman bound states are very robust, and they remain bound to the external field inhomogeneity throughout the experimentally relevant region of impurity concentration and scattering strength.
C1 [Lin, Shi-Hsin; Janko, Boldizsar] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA.
[Rappoport, Tatiana G.] Univ Fed Rio de Janeiro, Inst Fis, BR-528970 Rio De Janeiro, Brazil.
[Berciu, Mona] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada.
[Janko, Boldizsar] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
RP Lin, SH (reprint author), Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA.
EM albert.shihsin.lin@gmail.com
RI Rappoport, Tatiana/J-8626-2014; Berciu, Mona/O-4889-2014;
OI Rappoport, Tatiana/0000-0002-1878-5956
FU CNPq; FAPERJ; L'Oreal Brazil; National Science Foundation [NSF-DMR
06-201014]; U.S. Department of Energy Basic Energy Sciences; Institute
for Theoretical Sciences; Joint Institute of Argonne National
Laboratory; University of Notre Dame; NSERC; CIfAR Nanoelectronics
FX T. G. R. would like to acknowledge the Brazilian agencies CNPq and
FAPERJ and L'Oreal Brazil for the financial support. S. L. acknowledges
the Graduate Summer Fellow of the Center for Applied Mathematics,
University of Notre Dame. B. J. and S. L. acknowledge the financial
support of the National Science Foundation under Grant No. NSF-DMR
06-201014, the U.S. Department of Energy Basic Energy Sciences and the
Institute for Theoretical Sciences, a Joint Institute of Argonne
National Laboratory and the University of Notre Dame. M. B. acknowledges
support from the Research Corporation, NSERC, and CIfAR Nanoelectronics.
NR 30
TC 1
Z9 1
U1 0
U2 2
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0021-8979
J9 J APPL PHYS
JI J. Appl. Phys.
PD FEB
PY 2010
VL 107
IS 3
AR 034307
DI 10.1063/1.3275886
PG 8
WC Physics, Applied
SC Physics
GA 555MZ
UT WOS:000274517300093
ER
PT J
AU Reiley, DK
Breshears, DD
Zedler, PH
Ebinger, MH
Meyer, CW
AF Reiley, David K.
Breshears, David D.
Zedler, Paul H.
Ebinger, Michael H.
Meyer, Clifton W.
TI Soil carbon heterogeneity in pinon-juniper woodland patches: Effect of
woody plant variation on neighboring intercanopies is not detectable
SO JOURNAL OF ARID ENVIRONMENTS
LA English
DT Article
DE Carbon; Fine vs. coarse soil fractions; Spatial distribution; Semi-arid;
Management and sequestration; Pinyon
ID CHANGE-TYPE DROUGHT; SEMIARID WOODLAND; UNITED-STATES; NEW-MEXICO;
DIE-OFF; VEGETATION; ECOSYSTEMS; MICROCLIMATE; SEQUESTRATION;
DISTURBANCE
AB Soil carbon often varies significantly among vegetation patch types, but less known is how the size and species of plants in the tree canopy patches and the cover types of the intercanopy patches affect the carbon storage, and whether vegetation characteristics affect storage in adjacent patches. To assess this, we measured fine-fraction soil carbon in a semiarid woodland in New Mexico USA for canopy patches of two co-dominant woody species, Pinus edulis and Juniperus monosperma that were paired with intercanopy patch locations covered by herbaceous grass (Bouteloua gracilis) or bare ground. Soil carbon at shallow depths was greater in canopy than intercanopy patches by a factor of 2 or more, whereas within intercanopy patches soil carbon in grass locations exceeded that in bare locations only after accounting for coarse-fraction carbon. Hypothesized differences among canopy patches associated with species or size were not detected (although some size-depth interactions consistent with expectations were ;detected), nor, importantly, were effects of species or size of woody plant on intercanopy soil carbon. The results are notable because where applicable they justify estimates of soil carbon inventories based on readily observable heterogeneity in above-ground plant cover without considering the size and species of the woody plants. (C) 2009 Elsevier Ltd. All rights reserved.
C1 [Breshears, David D.] Univ Arizona, Sch Nat Resources & Environm, Inst Environm, Tucson, AZ 85721 USA.
[Breshears, David D.] Univ Arizona, Dept Ecol & Evolutionary Biol, Tucson, AZ 85721 USA.
[Reiley, David K.; Zedler, Paul H.] Univ Wisconsin, Nelson Inst Environm Studies, Madison, WI 53706 USA.
[Zedler, Paul H.] Univ Wisconsin Arboretum, Madison, WI 53711 USA.
[Ebinger, Michael H.; Meyer, Clifton W.] Los Alamos Natl Lab, Div Earth & Environm Sci, Los Alamos, NM 87545 USA.
RP Breshears, DD (reprint author), Univ Arizona, Sch Nat Resources & Environm, Inst Environm, Tucson, AZ 85721 USA.
EM daveb@email.arizona.edu
RI Breshears, David/B-9318-2009
OI Breshears, David/0000-0001-6601-0058
NR 59
TC 4
Z9 4
U1 0
U2 10
PU ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
PI LONDON
PA 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND
SN 0140-1963
J9 J ARID ENVIRON
JI J. Arid. Environ.
PD FEB
PY 2010
VL 74
IS 2
BP 239
EP 246
DI 10.1016/j.jaridenv.2009.08.015
PG 8
WC Ecology; Environmental Sciences
SC Environmental Sciences & Ecology
GA 539JK
UT WOS:000273250000009
ER
PT J
AU ReVelle, DO
AF ReVelle, D. O.
TI Modified ray-mode (phase) theory: Understanding counter-wind propagation
effects from atmospheric explosions
SO JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS
LA English
DT Article
DE Ray-mode (phase) propagation theory; Acoustic-gravity wave and
infrasound; propagation from atmospheric explosions Refraction;
diffraction and scattering of acoustic-gravity waves in the atmosphere
Middle atmospheric structural parameters; including temperature; sound
speed; atmospheric resonant frequencies; atmospheric turbulence and
internal gravity waves; mean horizontal wind motions
ID ACOUSTIC-GRAVITY WAVES; UNDERWATER ACOUSTICS; STRATIFIED ATMOSPHERE;
SOUND-PROPAGATION; EARTHS ATMOSPHERE; OCEAN; TEMPERATURE; APPROXIMATION;
ATTENUATION; INFRASOUND
AB We have incorporated horizontal winds into ray-mode theory including the full spectrum of acoustic-gravity waves for a perfectly stratified, range-independent, steady-state model atmosphere for frequencies from 10(-4) to similar to 10Hz. This approach has also been applied to a specific atmospheric propagation problem that has long defied a solution, namely counter-wind propagation arrivals at a location similar to 300 km up-wind of the source. Our modified ray-mode theory predicts reliable up-wind solutions, but only if small-scale sound speed fluctuations were added to the mean seasonal sound speed profiles. Since full-waveguide theory and modified ray-mode mode theory incorporate diffraction and scattering propagation effects, we have performed additional analyses to determine the mechanism through which these fluctuations produce the up-wind signals. We have concluded that the dominant mechanism is through diffraction due to the presence of semi-permanent turbulence and internal gravity waves located near the stratopause. Published by Elsevier Ltd.
C1 Los Alamos Natl Lab, Geophys Grp, Los Alamos, NM 87545 USA.
RP ReVelle, DO (reprint author), Los Alamos Natl Lab, Geophys Grp, EES-17, Los Alamos, NM 87545 USA.
EM revelle@lanl.gov
NR 66
TC 3
Z9 3
U1 1
U2 2
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 1364-6826
J9 J ATMOS SOL-TERR PHY
JI J. Atmos. Sol.-Terr. Phys.
PD FEB
PY 2010
VL 72
IS 2-3
BP 241
EP 261
DI 10.1016/j.jastp.2009.11.017
PG 21
WC Geochemistry & Geophysics; Meteorology & Atmospheric Sciences
SC Geochemistry & Geophysics; Meteorology & Atmospheric Sciences
GA 560UW
UT WOS:000274930000015
ER
PT J
AU Young, M
Artsatbanov, V
Beller, HR
Chandra, G
Chater, KF
Dover, LG
Goh, EB
Kahan, T
Kaprelyants, AS
Kyrpides, N
Lapidus, A
Lowry, SR
Lykidis, A
Mahillon, J
Markowitz, V
Mavromatis, K
Mukamolova, GV
Oren, A
Rokem, JS
Smith, MCM
Young, DI
Greenblatt, CL
AF Young, Michael
Artsatbanov, Vladislav
Beller, Harry R.
Chandra, Govind
Chater, Keith F.
Dover, Lynn G.
Goh, Ee-Been
Kahan, Tamar
Kaprelyants, Arseny S.
Kyrpides, Nikos
Lapidus, Alla
Lowry, Stephen R.
Lykidis, Athanasios
Mahillon, Jacques
Markowitz, Victor
Mavromatis, Konstantinos
Mukamolova, Galina V.
Oren, Aharon
Rokem, J. Stefan
Smith, Margaret C. M.
Young, Danielle I.
Greenblatt, Charles L.
TI Genome Sequence of the Fleming Strain of Micrococcus luteus, a Simple
Free-Living Actinobacterium
SO JOURNAL OF BACTERIOLOGY
LA English
DT Review
ID RESUSCITATION-PROMOTING FACTORS; PENICILLIN-BINDING PROTEINS;
STREPTOMYCES-COELICOLOR A3(2); STATIONARY-PHASE CULTURES;
MYCOBACTERIUM-TUBERCULOSIS; ESCHERICHIA-COLI;
CORYNEBACTERIUM-GLUTAMICUM; CELL-DIVISION; TEICHURONIC ACID;
SARCINA-LUTEA
AB Micrococcus luteus (NCTC2665, "Fleming strain") has one of the smallest genomes of free-living actinobacteria sequenced to date, comprising a single circular chromosome of 2,501,097 bp (G+C content, 73%) predicted to encode 2,403 proteins. The genome shows extensive synteny with that of the closely related organism, Kocuria rhizophila, from which it was taxonomically separated relatively recently. Despite its small size, the genome harbors 73 insertion sequence (IS) elements, almost all of which are closely related to elements found in other actinobacteria. An IS element is inserted into the rrs gene of one of only two rrn operons found in M. luteus. The genome encodes only four sigma factors and 14 response regulators, a finding indicative of adaptation to a rather strict ecological niche (mammalian skin). The high sensitivity of M. luteus to beta-lactam antibiotics may result from the presence of a reduced set of penicillin-binding proteins and the absence of a wblC gene, which plays an important role in the antibiotic resistance in other actinobacteria. Consistent with the restricted range of compounds it can use as a sole source of carbon for energy and growth, M. luteus has a minimal complement of genes concerned with carbohydrate transport and metabolism and its inability to utilize glucose as a sole carbon source may be due to the apparent absence of a gene encoding glucokinase. Uniquely among characterized bacteria, M. luteus appears to be able to metabolize glycogen only via trehalose and to make trehalose only via glycogen. It has very few genes associated with secondary metabolism. In contrast to most other actinobacteria, M. luteus encodes only one resuscitation-promoting factor (Rpf) required for emergence from dormancy, and its complement of other dormancy-related proteins is also much reduced. M. luteus is capable of long-chain alkene biosynthesis, which is of interest for advanced biofuel production; a three-gene cluster essential for this metabolism has been identified in the genome.
C1 [Young, Michael; Young, Danielle I.] Aberystwyth Univ, Inst Biol Environm & Rural Sci, Aberystwyth SY23 3DD, Ceredigion, Wales.
[Artsatbanov, Vladislav; Kaprelyants, Arseny S.] Bah Inst Biochem, Moscow 119071, Russia.
[Beller, Harry R.; Goh, Ee-Been] Univ Calif Berkeley, Lawrence Berkeley Lab, Joint BioEnergy Inst, Berkeley, CA 94720 USA.
[Chandra, Govind; Chater, Keith F.] John Innes Ctr Plant Sci Res, Norwich NR4 7UH, Norfolk, England.
[Dover, Lynn G.] Northumbria Univ, Biomol & Biomed Res Ctr, Sch Appl Sci, Newcastle Upon Tyne NE1 8ST, Tyne & Wear, England.
[Kahan, Tamar] Hebrew Univ Jerusalem, Bioinformat Unit, Fac Med, Jerusalem, Israel.
[Kyrpides, Nikos; Lapidus, Alla; Lowry, Stephen R.; Lykidis, Athanasios; Mavromatis, Konstantinos] DOE Joint Genome Inst, Walnut Creek, CA 94958 USA.
[Mahillon, Jacques] Catholic Univ Louvain, Lab Food & Environm Microbiol, B-1348 Louvain, Belgium.
[Markowitz, Victor] Univ Calif Berkeley, Lawrence Berkeley Lab, Biol Data Management & Technol Ctr, Berkeley, CA 94720 USA.
[Mukamolova, Galina V.] Univ Leicester, Dept Infect Immun & Inflammat, Leicester LE1 9HN, Leics, England.
[Oren, Aharon] Hebrew Univ Jerusalem, Dept Plant & Environm Sci, Inst Life Sci, IL-91904 Jerusalem, Israel.
[Oren, Aharon] Hebrew Univ Jerusalem, Moshe Shilo Minerva Ctr Marine Biogeochem, IL-91904 Jerusalem, Israel.
[Rokem, J. Stefan; Greenblatt, Charles L.] Hebrew Univ Jerusalem, Hadassah Med Sch, Dept Microbiol & Mol Genet, IMRIC, IL-91120 Jerusalem, Israel.
[Smith, Margaret C. M.] Univ Aberdeen, Inst Med Sci, Aberdeen AB25 2ZD, Scotland.
RP Young, M (reprint author), Aberystwyth Univ, Inst Biol Environm & Rural Sci, Penglais Campus, Aberystwyth SY23 3DD, Ceredigion, Wales.
EM miy@aber.ac.uk
RI Dover, Lynn/F-3021-2010; Lapidus, Alla/I-4348-2013; PONNERASSERY,
Sudheesh/C-4589-2014; Beller, Harry/H-6973-2014; Kyrpides,
Nikos/A-6305-2014;
OI Chandra, Govind/0000-0002-7882-6676; Dover, Lynn/0000-0002-4776-2665;
Lapidus, Alla/0000-0003-0427-8731; Kyrpides, Nikos/0000-0002-6131-0462;
Smith, Maggie/0000-0002-4150-0496
FU British Council; Israeli Ministry of Science and Technology; Hebrew
University; U.S. Department of Energy, Office of Science, Office of
Biological and Environmental Research [DE-AC02-05CH11231]; UK BBSRC; MCB
RAS program
FX We are grateful to the British Council, the Israeli Ministry of Science
and Technology, and the Hebrew University for funding a workshop on the
M. luteus genome held on 13 to 18 April 2008 in Jerusalem. For H.R.B.
and E.B.G., this study was part of the DOE Joint Bio-Energy Institute
(http://www.jbei.org) supported by the U.S. Department of Energy, Office
of Science, Office of Biological and Environmental Research, through
contract DE-AC02-05CH11231 between Lawrence Berkeley National Laboratory
and the U.S. Department of Energy. M.Y. thanks the UK BBSRC for
financial support, and V.A. and A.S.K. thank the MCB RAS program for
financial support.
NR 142
TC 22
Z9 163
U1 9
U2 51
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0021-9193
EI 1098-5530
J9 J BACTERIOL
JI J. Bacteriol.
PD FEB 1
PY 2010
VL 192
IS 3
BP 841
EP 860
DI 10.1128/JB.01254-09
PG 20
WC Microbiology
SC Microbiology
GA 544PW
UT WOS:000273672000024
PM 19948807
ER
PT J
AU Thompson, J
Hill, KK
Smith, TJ
Pikis, A
AF Thompson, John
Hill, Karen K.
Smith, Theresa J.
Pikis, Andreas
TI The Gene CBO0515 from Clostridium botulinum Strain Hall A Encodes the
Rare Enzyme N-5-(Carboxyethyl) Ornithine Synthase, EC 1.5.1.24
SO JOURNAL OF BACTERIOLOGY
LA English
DT Article
ID LACTOCOCCUS-LACTIS K1; STREPTOCOCCUS-LACTIS; NADP+ OXIDOREDUCTASE;
N5-(L-1-CARBOXYETHYL)-L-ORNITHINE; PURIFICATION; SEQUENCE;
DEHYDROGENASE; NEUROTOXIN; PROTEIN
AB Sequencing of the genome of Clostridium botulinum strain Hall A revealed a gene (CBO0515), whose putative amino acid sequence was suggestive of the rare enzyme N-5-(1-carboxyethyl) ornithine synthase. To test this hypothesis, CBO0515 has been cloned, and the encoded polypeptide was purified and characterized. This unusual gene appears to be confined to proteolytic strains assigned to group 1 of C. botulinum.
C1 [Thompson, John; Pikis, Andreas] NIDCR, Microbial Biochem & Genet Unit, Oral Infect & Immun Branch, NIH,DHHS, Bethesda, MD 20892 USA.
[Pikis, Andreas] US FDA, Ctr Drug Evaluat & Res, Silver Spring, MD 20993 USA.
[Hill, Karen K.] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87545 USA.
[Smith, Theresa J.] USA, Med Res Inst Infect Dis, Integrated Toxicol Div, Ft Detrick, MD 21702 USA.
RP Thompson, J (reprint author), NIDCR, Microbial Biochem & Genet Unit, Oral Infect & Immun Branch, NIH,DHHS, Bldg 30,Rm 325,Convent Dr MSC-4350, Bethesda, MD 20892 USA.
EM jthompson@dir.nidcr.nih.gov
FU Intramural Research Program of the National Institute of Dental and
Craniofacial Research; National Institutes of Health, Bethesda, MD
FX This investigation was supported by the Intramural Research Program of
the National Institute of Dental and Craniofacial Research, National
Institutes of Health, Bethesda, MD.
NR 20
TC 0
Z9 1
U1 0
U2 2
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0021-9193
EI 1098-5530
J9 J BACTERIOL
JI J. Bacteriol.
PD FEB
PY 2010
VL 192
IS 4
BP 1151
EP 1155
DI 10.1128/JB.01044-09
PG 5
WC Microbiology
SC Microbiology
GA 549DF
UT WOS:000274021900026
PM 19933367
ER
PT J
AU Chang, C
Tesar, C
Gu, MY
Babnigg, G
Joachimiak, A
Pokkuluri, PR
Szurmant, H
Schiffer, M
AF Chang, Changsoo
Tesar, Christine
Gu, Minyi
Babnigg, Gyorgy
Joachimiak, Andrzej
Pokkuluri, P. Raj
Szurmant, Hendrik
Schiffer, Marianne
TI Extracytoplasmic PAS-Like Domains Are Common in Signal Transduction
Proteins
SO JOURNAL OF BACTERIOLOGY
LA English
DT Article
ID C-TYPE HEME; BACILLUS-SUBTILIS; 2-COMPONENT SYSTEM; SENSOR DOMAIN;
GEOBACTER-SULFURREDUCENS; CRYSTAL-STRUCTURES; BACTERIA; EXPRESSION;
COMPLEXES; MECHANISM
AB We present the crystal structure of the extracytoplasmic domain of the Bacillus subtilis PhoR sensor histidine kinase, part of a two-component system involved in adaptation to low environmental phosphate concentrations. In addition to the PhoR structure, we predict that the majority of the extracytoplasmic domains of B. subtilis sensor kinases will adopt a fold similar to the ubiquitous PAS domain.
C1 [Chang, Changsoo; Tesar, Christine; Gu, Minyi; Babnigg, Gyorgy; Joachimiak, Andrzej; Pokkuluri, P. Raj; Schiffer, Marianne] Argonne Natl Lab, Biosci Div, Argonne, IL 60439 USA.
[Szurmant, Hendrik] Scripps Res Inst, Dept Mol & Expt Med, La Jolla, CA 92037 USA.
RP Schiffer, M (reprint author), 9700 S Cass Ave,Bldg 202,A-145, Argonne, IL 60439 USA.
EM Szurmant@scripps.edu; mschiffer@anl.gov
FU National Institutes of Health [GM62414-01, GM019416]; U. S. Department
of Energy; Office of Science, Biological and Environmental Research
Genomics [DE-AC02-06CH11357]; DOE [DE-AC02-06CH11357]; U. S. Department
of Energy Office of Science laboratory [DE-AC02-06CH11357]
FX This work was supported by the following: National Institutes of Health
(grant GM62414-01) and the U. S. Department of Energy, Office of
Science, Biological and Environmental Research Genomics: GTL program,
under contract no. DE-AC02-06CH11357. H. S. was supported by National
Institutes of Health grant GM019416 awarded to J. A. Hoch. The use of
SBC beamlines and APS are supported by the DOE under contract no.
DE-AC02-06CH11357. The manuscript was created by UChicago Argonne, LLC,
Operator of Argonne National Laboratory ("Argonne"). Argonne, a U. S.
Department of Energy Office of Science laboratory, is operated under
contract no. DE-AC02-06CH11357.
NR 35
TC 21
Z9 23
U1 0
U2 5
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0021-9193
J9 J BACTERIOL
JI J. Bacteriol.
PD FEB
PY 2010
VL 192
IS 4
BP 1156
EP 1159
DI 10.1128/JB.01508-09
PG 4
WC Microbiology
SC Microbiology
GA 549DF
UT WOS:000274021900027
PM 20008068
ER
PT J
AU Lawrence, PK
Kittichotirat, W
Bumgarner, RE
McDermott, JE
Herndon, DR
Knowles, DP
Srikumaran, S
AF Lawrence, Paulraj K.
Kittichotirat, Weerayuth
Bumgarner, Roger E.
McDermott, Jason E.
Herndon, David R.
Knowles, Donald P.
Srikumaran, Subramaniam
TI Genome Sequences of Mannheimia haemolytica Serotype A2: Ovine and Bovine
Isolates
SO JOURNAL OF BACTERIOLOGY
LA English
DT Article
ID PASTEURELLA-HAEMOLYTICA; GENES; LEUKOTOXIN; VIRULENCE; DOMAINS; CLONING
AB This report describes the genome sequences of Mannheimia haemolytica serotype A2 isolated from pneumonic lungs of two different ruminant species, one from Ovis aries, designated ovine (O), and the other from Bos taurus, designated bovine (B).
C1 [Lawrence, Paulraj K.; Knowles, Donald P.; Srikumaran, Subramaniam] Washington State Univ, Dept Vet Microbiol & Pathol, Pullman, WA 99164 USA.
[Kittichotirat, Weerayuth; Bumgarner, Roger E.] Univ Washington, Dept Microbiol, Seattle, WA 98195 USA.
[McDermott, Jason E.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Herndon, David R.; Knowles, Donald P.] Washington State Univ, USDA ARS, Anim Dis Res Unit, Pullman, WA 99164 USA.
RP Srikumaran, S (reprint author), Washington State Univ, Dept Vet Microbiol & Pathol, Pullman, WA 99164 USA.
EM ssrikumaran@vetmed.wsu.edu
RI Bumgarner, Roger/K-3531-2015;
OI Bumgarner, Roger/0000-0002-8168-6985; McDermott,
Jason/0000-0003-2961-2572
FU Roche Applied Science
FX We are grateful to Roche Applied Science for funding this sequencing
project.
NR 18
TC 15
Z9 15
U1 0
U2 1
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0021-9193
J9 J BACTERIOL
JI J. Bacteriol.
PD FEB
PY 2010
VL 192
IS 4
BP 1167
EP 1168
DI 10.1128/JB.01527-09
PG 2
WC Microbiology
SC Microbiology
GA 549DF
UT WOS:000274021900030
PM 19966002
ER
PT J
AU Messer, RLW
Seta, F
Mickalonis, J
Brown, Y
Lewis, JB
Wataha, JC
AF Messer, Regina L. W.
Seta, Francesca
Mickalonis, John
Brown, Yolanda
Lewis, Jill B.
Wataha, John C.
TI Corrosion of Phosphate-Enriched Titanium Oxide Surface Dental Implants
(TiUnite (R)) Under In Vitro Inflammatory and Hyperglycemic Conditions
SO JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS
LA English
DT Article
DE corrosion; titanium (alloys); cell culture
ID STAINLESS-STEEL; ELECTROCHEMICAL CORROSION; ORAL IMPLANTS; SALINE;
SERUM; BEHAVIOR; RELEASE; SURGERY; BONE
AB Endosseous dental implants use is increasing in patients with systemic conditions that compromise wound healing. Manufacturers recently have redesigned implants to ensure more reliable and faster osseointegration. One design strategy has been to create a porous phosphate-enriched titanium oxide (TiUnite (R)) surface to increase surface area and enhance interactions with bone. In the current study, the corrosion properties of TiUnite (R) implants were studied in cultures of monocytic cells and solutions simulating inflammatory and hyperglycemic conditions. Furthermore, to investigate whether placement into bone causes enough mechanical damage to alter implant corrosion properties, the enhanced surface implants as well as machined titanium implants were placed into human cadaver mandibular bone, the bone removed, and the corrosion properties measured. Implant corrosion behavior was characterized by open circuit potentials, linear polarization resistance, and electrical impedance spectroscopy. In selected samples, THP1 cells were activated with lipopolysaccharide prior to implant exposure to simulate an inflammatory environment. No significant differences in corrosion potentials were measured between the TiUnite (R) implants and the machined titanium implants in previous studies. TiUnite (R) implants exhibited lower corrosion rates in all simulated conditions than observed in PBS, and EIS measurements revealed two time constants which shifted with protein-containing electrolytes. In addition, the TiUnite (R) implants displayed a significantly lower corrosion rate than the machined titanium implants after placement into bone. The current study suggests that the corrosion risk of the enhanced oxide implant is lower than its machined surface titanium implant counterpart under simulated conditions of inflammation, elevated dextrose concentrations, and after implantation into bone. (C) 2009 Wiley Periodicals, Inc. J Biomed Mater Res Part 13: Appl Biomater 9213: 525-534, 2010
C1 [Messer, Regina L. W.; Seta, Francesca; Brown, Yolanda; Lewis, Jill B.] Med Coll Georgia, Dept Oral Biol, Augusta, GA 30912 USA.
[Mickalonis, John] Savannah River Nucl Solut, Savannah River Natl Lab, Aiken, SC USA.
[Wataha, John C.] Univ Washington, Dept Restorat Dent, Seattle, WA 98195 USA.
RP Messer, RLW (reprint author), Med Coll Georgia, Dept Oral Biol, Augusta, GA 30912 USA.
EM rmesser@mail.mcg.edu
FU Nobel Biocare
FX The authors acknowledge Nobel Biocare for Supplying the implants for
this study and the support by the Medical College of Georgia Research
Center. The assistance of Mark Williamson from the Savannah River
National Labortory with SEM observations is also appreciated.
NR 39
TC 12
Z9 13
U1 0
U2 4
PU WILEY-LISS
PI HOBOKEN
PA DIV JOHN WILEY & SONS INC, 111 RIVER ST, HOBOKEN, NJ 07030 USA
SN 1552-4973
J9 J BIOMED MATER RES B
JI J. Biomed. Mater. Res. Part B
PD FEB
PY 2010
VL 92B
IS 2
BP 525
EP 534
DI 10.1002/jbm.b.31548
PG 10
WC Engineering, Biomedical; Materials Science, Biomaterials
SC Engineering; Materials Science
GA 552CZ
UT WOS:000274266200028
PM 20024965
ER
PT J
AU Sperling, LJ
Nieuwkoop, AJ
Lipton, AS
Berthold, DA
Rienstra, CM
AF Sperling, Lindsay J.
Nieuwkoop, Andrew J.
Lipton, Andrew S.
Berthold, Deborah A.
Rienstra, Chad M.
TI High resolution NMR spectroscopy of nanocrystalline proteins at
ultra-high magnetic field
SO JOURNAL OF BIOMOLECULAR NMR
LA English
DT Article
DE Nanocrystalline proteins; Solid-state NMR spectroscopy; Spectral
resolution; Ultra-high magnetic field
ID SOLID-STATE NMR; IMMUNOGLOBULIN BINDING DOMAIN; ANGLE-SPINNING NMR;
CHEMICAL-SHIFT; MICROCRYSTALLINE UBIQUITIN; CONFORMATIONAL-ANALYSIS;
ESCHERICHIA-COLI; ASSIGNMENTS; RESONANCE; DSBA
AB Magic-angle spinning (MAS) solid-state NMR (SSNMR) spectroscopy of uniformly-(13)C,(15)N labeled protein samples provides insight into atomic-resolution chemistry and structure. Data collection efficiency has advanced remarkably in the last decade; however, the study of larger proteins is still challenged by relatively low resolution in comparison to solution NMR. In this study, we present a systematic analysis of SSNMR protein spectra acquired at 11.7, 17.6 and 21.1 Tesla ((1)H frequencies of 500, 750, and 900 MHz). For two protein systems-GB1, a 6 kDa nanocrystalline protein and DsbA, a 21 kDa nanocrystalline protein-line narrowing is demonstrated in all spectral regions with increasing field. Resolution enhancement is greatest in the aliphatic region, including methine, methylene and methyl sites. The resolution for GB1 increases markedly as a function of field, and for DsbA, resolution in the C-C region increases by 42%, according to the number of peaks that can be uniquely picked and integrated in the 900 MHz spectra when compared to the 500 MHz spectra. Additionally, chemical exchange is uniquely observed in the highest field spectra for at least two isoleucine C delta 1 sites in DsbA. These results further illustrate the benefits of high-field MAS SSNMR spectroscopy for protein structural studies.
C1 [Sperling, Lindsay J.; Nieuwkoop, Andrew J.; Berthold, Deborah A.; Rienstra, Chad M.] Univ Illinois, Dept Chem, Urbana, IL 61801 USA.
[Rienstra, Chad M.] Univ Illinois, Dept Biochem, Urbana, IL 61801 USA.
[Lipton, Andrew S.] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
[Rienstra, Chad M.] Univ Illinois, Ctr Biophys & Computat Biol, Urbana, IL 61801 USA.
RP Rienstra, CM (reprint author), Univ Illinois, Dept Chem, 600 S Mathews Ave, Urbana, IL 61801 USA.
EM rienstra@scs.uiuc.edu
FU National Institute of Heath [GM073770, GM075937]; Molecular Biophysics
Training Grant; Department of Energy Office of Biological and
Environmental Research
FX The authors thank the National Institute of Heath for funding through
NIGMS (GM073770), NIGMS/Roadmap Initiative (GM075937) and Molecular
Biophysics Training Grant (to LJS and AJN), David Hoyt, Jesse Sears, and
Paul Ellis at the Environmental Molecular Science Laboratory (a national
scientific user facility sponsored by the Department of Energy Office of
Biological and Environmental Research) located at Pacific Northwest
National Laboratory and operated for DOE by Batelle for their assistance
in acquiring the 900 MHz data, Dr. Donghua Zhou for pulse sequence code,
Dr. Trent Franks and Benjamin Fisher of the VOICE NMR Facility for
technical assistance.
NR 33
TC 8
Z9 8
U1 1
U2 10
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0925-2738
J9 J BIOMOL NMR
JI J. Biomol. NMR
PD FEB
PY 2010
VL 46
IS 2
BP 149
EP 155
DI 10.1007/s10858-009-9389-9
PG 7
WC Biochemistry & Molecular Biology; Spectroscopy
SC Biochemistry & Molecular Biology; Spectroscopy
GA 549XQ
UT WOS:000274088200003
PM 19953303
ER
PT J
AU Kramer, I
Loots, GG
Studer, A
Keller, H
Kneissel, M
AF Kramer, Ina
Loots, Gabriela G.
Studer, Anne
Keller, Hansjoerg
Kneissel, Michaela
TI Parathyroid Hormone (PTH)-Induced Bone Gain Is Blunted in SOST
Overexpressing and Deficient Mice
SO JOURNAL OF BONE AND MINERAL RESEARCH
LA English
DT Article
DE PTH; SOST; OSTEOCYTES; GENETIC MOUSE MODELS; OSTEOPOROSIS
ID VAN-BUCHEM-DISEASE; WNT SIGNALING PATHWAY; INTERMITTENT TREATMENT;
OSTEOBLASTIC CELLS; SCLEROSTIN; PTH; OSTEOCYTES; DELETION; PROTEIN;
RECEPTOR
AB Intermittent parathyroid hormone (PTH) treatment is a potent bone anabolic principle that suppresses expression of the bone formation inhibitor Sost. We addressed the relevance of Sost suppression for PTH-induced bone anabolism in vivo using mice with altered Sost gene dosage. Six-month-old Sost overexpressing and 2-month-old Sost deficient male mice and their wild-type littermates were subjected to daily injections of 100 mu g/kg PTH(1-34) or vehicle for a 2-month period. A follow-up study was performed in Sost deficient mice using 40 and 80 mu g/kg PTH(1-34). Animals were sacrificed 4 hours after the final PTH administration and Sost expression in long bone diaphyses was determined by qPCR. Bone changes were analyzed in vivo in the distal femur metaphysis by pQCT and ex vivo in the tibia and lumbar spine by DXA. Detailed ex vivo analyses of the femur were performed by pQCT, mu CT, and histomorphometry. Overexpression of Sost resulted in osteopenia and Sost deletion in high bone mass. As shown before, PTH suppressed Sost in wild-type mice. PTH treatment induced substantial increases in bone mineral density, content, and cortical thickness and in aging wild-type mice also led to cancellous bone gain owing to amplified bone formation rates. PTH-induced bone gain was blunted at all doses and skeletal sites in Sost overexpressing and deficient mice owing to attenuated bone formation rates, whereas bone resorption was not different from that in PTH-treated wild-type controls. These data suggest that suppression of the bone formation inhibitor Sost by intermittent PTH treatment contributes to PTH bone anabolism. (C) 2010 American Society for Bone and Mineral Research.
C1 [Kramer, Ina; Studer, Anne; Keller, Hansjoerg; Kneissel, Michaela] Novartis Inst BioMed Res, Musculoskeletal Dis Area, CH-4002 Basel, Switzerland.
[Loots, Gabriela G.] Lawrence Livermore Natl Lab, Biol & Biotechnol Div, Livermore, CA USA.
[Loots, Gabriela G.] Univ Calif Berkeley, Dept Mol & Cell Biol, Div Genet Genom & Dev, Berkeley, CA 94720 USA.
[Loots, Gabriela G.] Univ Calif Berkeley, Ctr Integrat Genom, Berkeley, CA 94720 USA.
RP Kneissel, M (reprint author), Novartis Inst BioMed Res, Musculoskeletal Dis Area, CH-4002 Basel, Switzerland.
EM michaela.kneissel@novartis.com
FU National Institutes of Health (NIH) [HD47853]; US Department of Energy
by Lawrence Livermore National Laboratory [DE-AC52-07NA27344]
FX We would like to thank Margot Bruederlin, Heidi Jeker, Sabrina Kohler,
Marcel Mercies, Megan Montgomery, Marco Pegurri, and Keiko Petrosky for
excellent technical assistance. GGL was supported by National Institutes
of Health (NIH) Grant HD47853. GGL's work was performed under the
auspices of the US Department of Energy by Lawrence Livermore National
Laboratory under Contract DE-AC52-07NA27344.
NR 50
TC 104
Z9 108
U1 0
U2 10
PU JOHN WILEY & SONS INC
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN, NJ 07030 USA
SN 0884-0431
J9 J BONE MINER RES
JI J. Bone Miner. Res.
PD FEB
PY 2010
VL 25
IS 2
BP 178
EP 189
DI 10.1359/jbmr.090730
PG 12
WC Endocrinology & Metabolism
SC Endocrinology & Metabolism
GA 564LJ
UT WOS:000275215500002
PM 19594304
ER
PT J
AU Wang, XP
Huang, SH
Richmond, MG
AF Wang, Xiaoping
Huang, Shih-Huang
Richmond, Michael G.
TI Chloride Metathesis and Dimethylamide Transfer in the Reaction of
TaCl(NMe2)(4) with ZnMe2 and MeMgCl: Spectroscopic Studies and X-ray
Diffraction Structures of TaCl(Me)(NMe2)(3) and ZnCl2(NHMe2)(2)
SO JOURNAL OF CHEMICAL CRYSTALLOGRAPHY
LA English
DT Article
DE Tantalum compounds; Zinc compounds; Organometallics; Metal amides;
Crystallography
ID CRYSTAL-STRUCTURE; SILYL COMPLEXES; TANTALUM(V); HYDRIDE; LIGANDS;
AMIDE; ALKYL
AB Treatment of TaCl(NMe2)(4) with ZnMe2 in pentane furnishes a mixture of TaCl(Me)(NMe2)(3), TaMe(NMe2)(4), and Ta(NMe2)(5) as the principal reaction products based on H-1 NMR spectroscopy. Depending upon the work-up conditions employed, the compounds TaCl(Me)(NMe2)(3) and ZnCl2(NHMe2)(2) have been isolated and their molecular structures established by X-ray crystallography. TaCl(Me)(NMe2)(3) crystallizes in the orthorhombic space group Pna2(1), a = 13.644(4) , b = 12.934(4) , c = 6.992(2) , V = 1233.9(7) (3), Z = 4, and d (calc) = 1.958 Mg/m(3); R = 0.0316 and wR (2) = 0.0707 for 2630 reflections with I > 2 sigma(I). The molecular structure of TaCl(Me)(NMe2)(3) consists of a trigonal bipyramidal core and contains axial and equatorial chlorine and methyl groups, respectively. ZnCl2(NHMe2)(2) crystallizes in the orthorhombic space group P2(1)2(1)2(1), a = 5.759(1) , b = 10.810(2) , c = 15.174(3) , V = 944.1(3) (3), Z = 4, d (calc) = 1.593 Mg/m(3); R = 0.0213 and wR (2) = 0.0494 for 1872 reflections with I > 2 sigma(I). ZnCl2(NHMe2)(2) exhibits a tetrahedral motif and represents the first reported four-coordinate zinc(II) compound containing acyclic monodentate secondary amine groups. The reaction between TaCl(NMe2)(4) and MeMgCl afforded a mixture of tantalum products, of which TaCl(Me)(NMe2)(3) and Ta(NMe2)(5) were found as the major products by H-1 NMR spectroscopy.
C1 [Wang, Xiaoping] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN 37831 USA.
[Huang, Shih-Huang; Richmond, Michael G.] Univ N Texas, Dept Chem, Denton, TX 76203 USA.
RP Wang, XP (reprint author), Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN 37831 USA.
EM wangx@ornl.gov; cobalt@unt.edu
RI Wang, Xiaoping/E-8050-2012; G, Neela/H-3016-2014
OI Wang, Xiaoping/0000-0001-7143-8112;
FU Robert A. Welch Foundation [B-1093-MGR]; U.S. Department of Energy,
Office of Science [DE-AC05-00OR22725]
FX Financial support from the Robert A. Welch Foundation (Grant B-1093-MGR)
is greatly appreciated, and X. Wang acknowledges the support by the U.S.
Department of Energy, Office of Science, under Contract No.
DE-AC05-00OR22725 managed by UT Battelle, LLC.
NR 18
TC 3
Z9 3
U1 0
U2 1
PU SPRINGER/PLENUM PUBLISHERS
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1074-1542
J9 J CHEM CRYSTALLOGR
JI J. Chem. Crystallogr.
PD FEB
PY 2010
VL 40
IS 2
BP 173
EP 178
DI 10.1007/s10870-009-9630-0
PG 6
WC Crystallography; Spectroscopy
SC Crystallography; Spectroscopy
GA 544UD
UT WOS:000273683900017
ER
PT J
AU Hagos, S
Zhang, CD
Tao, WK
Lang, S
Takayabu, YN
Shige, S
Katsumata, M
Olson, B
L'Ecuyer, T
AF Hagos, Samson
Zhang, Chidong
Tao, Wei-Kuo
Lang, Steve
Takayabu, Yukari N.
Shige, Shoichi
Katsumata, Masaki
Olson, Bill
L'Ecuyer, Tristan
TI Estimates of Tropical Diabatic Heating Profiles: Commonalities and
Uncertainties
SO JOURNAL OF CLIMATE
LA English
DT Article
ID TRMM PR DATA; SPECTRAL RETRIEVAL; VERTICAL PROFILES; CLOUD CLUSTERS;
TOGA COARE; MICROWAVE RADIOMETER; CONVECTIVE SYSTEMS; RADAR
OBSERVATIONS; MOISTURE BUDGETS; ENERGY BUDGET
AB This study aims to evaluate the consistency and discrepancies in estimates of diabatic heating profiles associated with precipitation based on satellite observations and microphysics and those derived from the thermodynamics of the large-scale environment. It presents a survey of diabatic heating profile estimates from four Tropical Rainfall Measuring Mission (TRMM) products, four global reanalyses, and in situ sounding measurements from eight field campaigns at various tropical locations. Common in most of the estimates are the following: (i) bottom-heavy profiles, ubiquitous over the oceans, are associated with relatively low rain rates, while top-heavy profiles are generally associated with high rain rates; (ii) temporal variability of latent heating profiles is dominated by two modes, a deep mode with a peak in the upper troposphere and a shallow mode with a low-level peak; and (iii) the structure of the deep modes is almost the same in different estimates and different regions in the tropics. The primary uncertainty is in the amount of shallow heating over the tropical oceans, which differs substantially among the estimates.
C1 [Hagos, Samson; Zhang, Chidong] Univ Miami, Rosenstiel Sch Marine & Atmospher Sci, Miami, FL 33149 USA.
[Tao, Wei-Kuo; Lang, Steve; Olson, Bill] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA.
[Takayabu, Yukari N.] Univ Tokyo, Ctr Climate Syst Res, Tokyo, Japan.
[Shige, Shoichi] Osaka Prefecture Univ, Dept Aerosp Engn, Osaka, Japan.
[Katsumata, Masaki] JAMSTEC RIGC, Yokosuka, Kanagawa, Japan.
[L'Ecuyer, Tristan] Colorado State Univ, Dept Atmospher Sci, Ft Collins, CO 80523 USA.
RP Hagos, S (reprint author), Pacific NW Natl Lab, POB 999,MSIN K9-24, Richland, WA 99352 USA.
EM samson.hagos@pnl.gov
RI hagos, samson /K-5556-2012; L'Ecuyer, Tristan/C-7040-2013; L'Ecuyer,
Tristan/E-5607-2012; PMM, JAXA/K-8537-2016
OI L'Ecuyer, Tristan/0000-0002-7584-4836;
FU NASA TRMM/GPM
FX We express our sincere gratitude to the editor and anonymous reviewers,
as well as Paul Ciesielski, Steve Esbensen, Richard Johnson, Yasu-Masa
Kodama, Steve Kruger, Wen-wen Tung, Xiaoqing Wu, Xiping Zeng, and
Minghua Zhang, who provided or helped us acquire the various sounding
datasets. This study was support by the NASA TRMM/GPM project.
NR 44
TC 23
Z9 24
U1 1
U2 14
PU AMER METEOROLOGICAL SOC
PI BOSTON
PA 45 BEACON ST, BOSTON, MA 02108-3693 USA
SN 0894-8755
J9 J CLIMATE
JI J. Clim.
PD FEB
PY 2010
VL 23
IS 3
BP 542
EP 558
DI 10.1175/2009JCLI3025.1
PG 17
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 553DT
UT WOS:000274346700004
ER
PT J
AU Francois, MM
Swartz, BK
AF Francois, Marianne M.
Swartz, Blair K.
TI Interface curvature via volume fractions, heights, and mean values on
nonuniform rectangular grids
SO JOURNAL OF COMPUTATIONAL PHYSICS
LA English
DT Article
DE Volume-of-fluid; Curvature; Height function; Mean value; Nonuniform
grids; Numerical differentiation
ID FLUID METHOD
AB Estimating the local curvature of an interface involves the local determination of normals to the interface, and the rates that they turn along the interface. This is challenging in volume-of-fluid type methods since the interface between materials is specified by the relative amount it cuts off from the computational cells that it crosses (also referred to as volume fraction data) rather than by a discrete set of points lying on the interface itself. In this work, we generalize the height function method to non-uniform rectangular grids. We demonstrate analytically and numerically that-using three successive (adjacent) integral mean values (or "column" heights)-interface curvature can be estimated to second-order accuracy, the first derivative (interface normal) to third-order accuracy, and the curve location to fourth-order accuracy-each at its own special points. We also show that there are special points where the curvature can be estimated to fourth-order accuracy when using five successive mean values instead.
Underlying all this is a result about the accuracy of the jth-derivative of the kth-degree polynomial that interpolates a function F at k + 1 stencil points placed irregularly in an interval of width h. Namely, for all smooth enough functions F and for k fixed and h getting small, there are k + 1 - i special points in the interval at which the error in the jth derivative is of order O(h(k+2-j)). (This is one order higher than the usual O(h(k+1-j)) error holding over the whole interval for that derivative.) The special points in the interval are the k + 1 - j (real) zeroes of certain F-independent polynomials, of degree k + 1 - j, with coefficients depending on the interval's stencil points.
In our case, let F(x) be an indefinite integral of the unknown interfacial curve f(x). Then F(x(i)) at k + 1 successive stencil points x(i) is calculated using cumulative sums of the k successive integral mean values of f, weighted by the successive interval sizes. The k + 1 points (x(i), F(x(i))) are now interpolated by a kth degree polynomial (PF)(x). It's first derivative (PF)((1)) approximates the unknown curve f; while (PF)((2)) and (PF)((3)), respectively, approximate f((1)) and f((2)). Thus, the results above using three successive mean values correspond to k = 3 and j = 3, 2, 1. The curvature result using five successive mean values correspond to k = 5 and j = 3. For this last case, since the curvature kappa =f((2))/(1 + (f((t)))(2))(3/2), we use the facts that f((1)) = F-(2) = (PF)((2)) + O(h(4)) on the whole stencil interval, not just at the three special points having O(h(4)) accuracy for f((2)). (C) 2009 Elsevier Inc. All rights reserved.
C1 [Francois, Marianne M.] Los Alamos Natl Lab, Computat Phys & Methods CCS 2, Los Alamos, NM 87545 USA.
RP Francois, MM (reprint author), Los Alamos Natl Lab, Computat Phys & Methods CCS 2, MS B296,POB 1663, Los Alamos, NM 87545 USA.
EM mmfran@lanl.gov; bks@lanl.gov
RI Francois, Marianne/B-2423-2012;
OI Francois, Marianne/0000-0003-3062-6234
NR 16
TC 14
Z9 14
U1 0
U2 8
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9991
EI 1090-2716
J9 J COMPUT PHYS
JI J. Comput. Phys.
PD FEB 1
PY 2010
VL 229
IS 3
BP 527
EP 540
DI 10.1016/j.jcp.2009.10.022
PG 14
WC Computer Science, Interdisciplinary Applications; Physics, Mathematical
SC Computer Science; Physics
GA 537AI
UT WOS:000273084800001
ER
PT J
AU Dorr, MR
Fattebert, JL
Wickett, ME
Belak, JF
Turchi, PEA
AF Dorr, M. R.
Fattebert, J. -L.
Wickett, M. E.
Belak, J. F.
Turchi, P. E. A.
TI A numerical algorithm for the solution of a phase-field model of
polycrystalline materials
SO JOURNAL OF COMPUTATIONAL PHYSICS
LA English
DT Article
DE Phase-field model; Polycrystalline microstructure; Method of lines;
Newton-Krylov methods
ID BINARY-ALLOYS; GRAIN-GROWTH; SOLIDIFICATION; SIMULATION; EVOLUTION;
SYSTEMS; TRANSFORMATION; PLUTONIUM; EQUATIONS; DIFFUSION
AB We describe an algorithm for the numerical solution of a phase-field model (PFM) of microstructure evolution in polycrystalline materials. The PFM system of equations includes a local order parameter, a cluaternion representation of local orientation and a species composition parameter. The algorithm is based on the implicit integration of a semidiscretization of the PFM system using a backward difference formula (BDF) temporal discretization combined with a Newton-Krylov algorithm to solve the nonlinear system at each time step. The BDF algorithm is combined with a coordinate-projection method to maintain quaternion unit length, which is related to an important solution invariant. A key element of the Newton-Krylov algorithm is the selection of a preconclitioner to accelerate the convergence of the Generalized Minimum Residual algorithm used to solve the Jacobian linear system in each Newton step. Results are presented for the application of the algorithm to 2D and 3D examples. (C) 2009 Elsevier Inc. All rights reserved.
C1 [Dorr, M. R.; Fattebert, J. -L.; Wickett, M. E.; Belak, J. F.; Turchi, P. E. A.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Dorr, MR (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA.
EM dorr1@llnl.gov; fattebert1@llnl.gov; wickett1@llnl.gov; belak1@llnl.gov;
turchi1@llnl.gov
FU US Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]
FX This work performed under the auspices of the US Department of Energy by
Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344.
NR 36
TC 14
Z9 14
U1 6
U2 33
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9991
J9 J COMPUT PHYS
JI J. Comput. Phys.
PD FEB 1
PY 2010
VL 229
IS 3
BP 626
EP 641
DI 10.1016/j.jcp.2009.09.041
PG 16
WC Computer Science, Interdisciplinary Applications; Physics, Mathematical
SC Computer Science; Physics
GA 537AI
UT WOS:000273084800005
ER
PT J
AU Wang, MR
Kang, QJ
AF Wang, Moran
Kang, Qinjun
TI Modeling electrokinetic flows in microchannels using coupled lattice
Boltzmann methods
SO JOURNAL OF COMPUTATIONAL PHYSICS
LA English
DT Article
DE Electrokinetic flows; Lattice Boltzmann method; Multiphysical transport;
Poisson-Boltzmann model; Dynamic model; Microfluidics and nanofluidics
ID ON-A-CHIP; POISSON-BOLTZMANN; ELECTROOSMOTIC FLOWS; POROUS-MEDIA;
CHANNEL FLOWS; SIMULATION; EQUATION; MICROFLUIDICS; TRANSPORT;
NANOCHANNELS
AB We present a numerical framework to solve the dynamic model for electrokinetic flows in microchannels using coupled lattice Boltzmann methods. The governing equation for each transport process is solved by a lattice Boltzmann model and the entire process is simulated through an iteration procedure. After validation, the present method is used to study the applicability of the Poisson-Boltzmann model for electrokinetic flows in microchannels. Our results show that for homogeneously charged long channels, the Poisson-Boltzmann model is applicable for a wide range of electric double layer thickness. For the electric potential distribution, the Poisson-Boltzmann model can provide good predictions until the electric double layers fully overlap, meaning that the thickness of the double layer equals the channel width. For the electroosmotic velocity, the Poisson-Boltzmann model is valid even when the thickness of the double layer is 10 times of the channel width. For heterogeneously charged microchannels, a higher zeta potential and an enhanced velocity field may cause the Poisson-Boltzmann model to fail to provide accurate predictions. The ionic diffusion coefficients have little effect on the steady flows for either homogeneously or heterogeneously charged channels. However the ionic valence of solvent has remarkable influences on both the electric potential distribution and the flow velocity even in homogeneously charged microchannels. Both theoretical analyses and numerical results indicate that the valence and the concentration of the counter-ions dominate the Debye length, the electrical potential distribution, and the ions transport. The present results may improve the understanding of the electrokinetic transport characteristics in microchannels. Published by Elsevier Inc.
C1 [Wang, Moran; Kang, Qinjun] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Wang, MR (reprint author), Los Alamos Natl Lab, Mail Stop T003, Los Alamos, NM 87545 USA.
EM mwang@lanl.gov; qkang@lanl.gov
RI Wang, Moran/A-1150-2010; Kang, Qinjun/A-2585-2010
OI Kang, Qinjun/0000-0002-4754-2240
FU LANL's LORD [20080727PRD2]; J. R. Oppenheimer Fellowship
FX This work is supported by LANL's LORD Project 20080727PRD2, through the
J. R. Oppenheimer Fellowship awarded to M.W. The authors would like to
thank Dr. Wang JK and Prof. Chen SY for helpful discussions.
NR 75
TC 55
Z9 57
U1 3
U2 41
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 0021-9991
J9 J COMPUT PHYS
JI J. Comput. Phys.
PD FEB 1
PY 2010
VL 229
IS 3
BP 728
EP 744
DI 10.1016/j.jcp.2009.10.006
PG 17
WC Computer Science, Interdisciplinary Applications; Physics, Mathematical
SC Computer Science; Physics
GA 537AI
UT WOS:000273084800010
ER
PT J
AU Kopp, J
Schwetz, T
Zupan, J
AF Kopp, Joachim
Schwetz, Thomas
Zupan, Jure
TI Global interpretation of direct Dark Matter searches after CDMS-II
results
SO JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
LA English
DT Article
DE dark matter theory; dark matter experiments
ID EFFICIENCY; CRYSTAL; LIMITS
AB We perform a global fit to data from Dark Matter (DM) direct detection experiments, including the recent CDMS-II results. We discuss possible interpretations of the DAMA annual modulation signal in terms of spin-independent and spin-dependent DM-nucleus interactions, both for elastic and inelastic scattering. We find that for the spin-dependent in elastic scattering off protons a good fit to all data is obtained. We present a simple toy model realizing such a scenario. In all there maining cases the DAMA allowed regions are disfavored by other experiments or suffer from severe fine tuning of DM parameters with respect to the galactic escape velocity. Finally, we also entertain the possibility that the two events observed in CDMS-II are an actual signal of elastic DM scattering, and we compare the resulting CDMS-II allowed regions to the exclusion limits from other experiments.
C1 [Kopp, Joachim] Fermilab Natl Accelerator Lab, Dept Theoret Phys, Batavia, IL 60510 USA.
[Schwetz, Thomas] Max Planck Inst Nucl Phys, D-69029 Heidelberg, Germany.
[Zupan, Jure] Univ Ljubljana, Fac Math & Phys, Ljubljana 1000, Slovenia.
[Zupan, Jure] Josef Stefan Inst, Ljubljana 1000, Slovenia.
RP Kopp, J (reprint author), Fermilab Natl Accelerator Lab, Dept Theoret Phys, POB 500, Batavia, IL 60510 USA.
EM jkopp@fnal.gov; schwetz@mpi-hd.mpg.de; jure.zupan@cern.ch
RI Kopp, Joachim/B-5866-2013
NR 63
TC 83
Z9 83
U1 2
U2 2
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 1475-7516
J9 J COSMOL ASTROPART P
JI J. Cosmol. Astropart. Phys.
PD FEB
PY 2010
IS 2
AR 014
DI 10.1088/1475-7516/2010/02/014
PG 21
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 575XA
UT WOS:000276102300021
ER
PT J
AU Stern, D
Jimenez, R
Verde, L
Kamionkowski, M
Stanford, SA
AF Stern, Daniel
Jimenez, Raul
Verde, Licia
Kamionkowski, Marc
Stanford, S. Adam
TI Cosmic chronometers: constraining the equation of state of dark energy.
I: H(z) measurements
SO JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
LA English
DT Article
DE dark energy experiments; galaxy clusters; galaxy surveys
ID DIGITAL SKY SURVEY; ANGULAR POWER SPECTRUM; STELLAR POPULATION
SYNTHESIS; PROBE WMAP OBSERVATIONS; HUBBLE-SPACE-TELESCOPE; GALAXY
REDSHIFT SURVEY; DEEP CLUSTER SURVEY; COSMOLOGICAL PARAMETERS;
GLOBULAR-CLUSTERS; OBSERVATIONAL EVIDENCE
AB We present new determinations of the cosmic expansion history from red-envelope galaxies. We have obtained for this purpose high-quality spectra with the Keck-LRIS spectrograph of red-envelope galaxies in 24 galaxy clusters in the redshift range 0.2 < z < 1.0. We complement these Keck spectra with high-quality, publicly available archival spectra from the SPICES and VVDS surveys. We improve over our previous expansion history measurements in Simon et al. (2005) by providing two new determinations of the expansion history: H (z) = 97 +/- 62 km sec(-1) Mpc(-1) at z similar or equal to 0.5 and H (z) = 90 +/- 40 km sec(-1) Mpc(-1) at z similar or equal to 0.9. We discuss the uncertainty in the expansion history determination that arises from uncertainties in the synthetic stellar-population models. We then use these new measurements in concert with cosmic-microwave-background (CMB) measurements to constrain cosmological parameters, with a special emphasis on dark-energy parameters and constraints to the curvature. In particular, we demonstrate the usefulness of direct H (z) measurements by constraining the dark-energy equation of state parameterized by w(0) and w(a) and allowing for arbitrary curvature. Further, we also constrain, using only CMB and H (z) data, the number of relativistic degrees of freedom to be 4 +/- 0.5 and their total mass to be < 0.2 eV, both at 1 sigma.
C1 [Stern, Daniel] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA.
[Jimenez, Raul; Verde, Licia] Univ Barcelona, ICREA, E-08028 Barcelona, Spain.
[Jimenez, Raul; Verde, Licia] Univ Barcelona, Inst Sci Cosmos ICC, E-08028 Barcelona, Spain.
[Kamionkowski, Marc] CALTECH, Pasadena, CA 91125 USA.
[Stanford, S. Adam] Univ Calif Davis, Davis, CA 95616 USA.
[Stanford, S. Adam] Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94551 USA.
RP Stern, D (reprint author), CALTECH, Jet Prop Lab, Mail Stop 169-506, Pasadena, CA 91109 USA.
EM stern@thisvi.jpl.nasa.gov; raul@icc.ub.edu; licia@icc.ub.edu;
kamion@tapir.caltech.edu; stanford@physics.ucdavis.edu
OI Kamionkowski, Marc/0000-0001-7018-2055; Verde,
Licia/0000-0003-2601-8770; Jimenez, Raul/0000-0002-3370-3103
FU Spanish Ministry for Science and Innovation [AYA 2008-03531]; European
Union [FP7 PEOPLE-2002IRG4-4-IRG, 202182]; DoE [DEFG03-92-ER40701];
Gordon and Betty Moore Foundation
FX The work of DS was carried out at the Jet Propulsion Laboratory,
operated by the California Institute of Technology under a contract with
NASA. The work of RJ and LV is supported by funds from the Spanish
Ministry for Science and Innovation AYA 2008-03531 and the European
Union (FP7 PEOPLE-2002IRG4-4-IRG#202182). MK was supported by DoE
DEFG03-92-ER40701 and the Gordon and Betty Moore Foundation. We thank
the members of the SPICES and VVDS teams for making their spectroscopic
data publicly available, and we acknowledge the use of the Legacy
Archive for Microwave Background Data Analysis (LAMBDA). Support for
LAMBDA is provided by the NASA Office of Space Science. Finally, the
authors wish to recognize and acknowledge the very significant role and
reverence that the summit of Mauna Kea has always had within the
indigenous Hawaiian community. We are most fortunate to have the
opportunity to conduct observations from this mountain.
NR 84
TC 225
Z9 228
U1 0
U2 3
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 1475-7516
J9 J COSMOL ASTROPART P
JI J. Cosmol. Astropart. Phys.
PD FEB
PY 2010
IS 2
AR 008
DI 10.1088/1475-7516/2010/02/008
PG 28
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 575XA
UT WOS:000276102300027
ER
PT J
AU Awadalla, SA
Mackenzie, J
Chen, H
Redden, B
Bindley, G
Duff, MC
Burger, A
Groza, M
Buliga, V
Bradley, JP
Dai, ZR
Teslich, N
Black, DR
AF Awadalla, S. A.
Mackenzie, J.
Chen, H.
Redden, B.
Bindley, G.
Duff, M. C.
Burger, A.
Groza, M.
Buliga, V.
Bradley, J. P.
Dai, Z. R.
Teslich, N.
Black, D. R.
TI Characterization of detector-grade CdZnTe crystals grown by traveling
heater method (THM.)
SO JOURNAL OF CRYSTAL GROWTH
LA English
DT Article
DE CZT; THM; Secondary phases; Surface treatment
ID SEMIINSULATING CDZNTE; CDTE; PERFORMANCE; (CD,ZN)TE
AB This work focuses on the 3. Results and discussion characterization of 10 x 10 x 1 0 mm(3) THM-grown CdZnTe detector-grade crystals that have been post-growth annealed to remove the secondary phases (SPs). All three detectors showed an average energy resolution of similar to 1.63% for a small guarded pixel with 3.5 min diameter, measured using (137)Cs-662 keV with an average peak-to-Compton ratio of 2.7. The characterization showed vestiges of SPs and micro-twins present in some of the crystals indicating that the SPs prior to annealing were large and had size in the range of 100-500 mu m. The various detectable structural features, such as micron twins, strains and sub-micron level of Te inclusions seemed to have little or no influence in the radiation spectrometer performance of the detectors; this is possibly because they are either having low density or electrically inactive. (C) 2009 Elsevier B.V. All rights reserved.
C1 [Awadalla, S. A.; Mackenzie, J.; Chen, H.; Redden, B.; Bindley, G.] Redlen Technol, Sidney, BC V8L 5Y8, Canada.
[Duff, M. C.] Savannah River Natl Lab, Aiken, SC 29808 USA.
[Burger, A.; Groza, M.; Buliga, V.] Fisk Univ, Nashville, TN 37208 USA.
[Bradley, J. P.; Dai, Z. R.; Teslich, N.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Black, D. R.] NIST, Gaithersburg, MD 20899 USA.
RP Awadalla, SA (reprint author), Redlen Technol, Sidney, BC V8L 5Y8, Canada.
EM salah.awadalla@redlen.com
RI Dai, Zurong/E-6732-2010
NR 17
TC 36
Z9 38
U1 5
U2 29
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-0248
J9 J CRYST GROWTH
JI J. Cryst. Growth
PD FEB 1
PY 2010
VL 312
IS 4
BP 507
EP 513
DI 10.1016/j.jcrysgro.2009.11.007
PG 7
WC Crystallography; Materials Science, Multidisciplinary; Physics, Applied
SC Crystallography; Materials Science; Physics
GA 558RD
UT WOS:000274761900006
ER
PT J
AU Guo, HS
Neill, WS
Chippior, W
Li, HL
Taylor, JD
AF Guo, Hongsheng
Neill, W. Stuart
Chippior, Wally
Li, Hailin
Taylor, Joshua D.
TI An Experimental and Modeling Study of HCCI Combustion Using n-Heptane
SO JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE
ASME
LA English
DT Article; Proceedings Paper
CT Fall Technical Conference of the ASME Internal Combustion Engine
Division
CY NOV 05-08, 2006
CL Sacramento, CA
SP Amer Soc Mech Engineers
ID IGNITION
AB Homogeneous charge compression ignition (HCCI) is an advanced low-temperature combustion technology being considered for internal combustion engines due to its potential for high fuel conversion efficiency and extremely low emissions of particulate matter and oxides of nitrogen (NO(x)). In its simplest form, HCCI combustion involves the auto-ignition of a homogeneous mixture of fuel, air, and diluents at low to moderate temperatures and high pressure. Previous research has indicated that fuel chemistry has a strong impact on HCCI combustion. This paper reports the preliminary results of an experimental and modeling study of HCCI combustion using n-heptane, a volatile hydrocarbon with well known fuel chemistry. A Co-operative Fuel Research (CFR) engine was modified by the addition of a port fuel injection system to produce a homogeneous fuel-air mixture in the intake manifold, which contributed to a stable and repeatable HCCI combustion process. Detailed experiments were performed to explore the effects of critical engine parameters such as intake temperature, compression ratio, air/fuel ratio, engine speed, turbocharging, and intake mixture throttling on HCCI combustion. The influence of these parameters on the phasing of the low-temperature reaction, main combustion stage, and negative temperature coefficient delay period are presented and discussed. A single-zone numerical simulation with detailed fuel chemistry was developed and validated. The simulations show good agreement with the experimental data and capture important combustion phase trends as engine parameters are varied. [DOI: 10.1115/1.3124667]
C1 [Guo, Hongsheng; Neill, W. Stuart; Chippior, Wally] Natl Res Council Canada, Ottawa, ON K1A 0R6, Canada.
[Li, Hailin] W Virginia Univ, Morgantown, WV 26506 USA.
[Taylor, Joshua D.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Guo, HS (reprint author), Natl Res Council Canada, 1200 Montreal Rd, Ottawa, ON K1A 0R6, Canada.
NR 29
TC 3
Z9 3
U1 2
U2 6
PU ASME-AMER SOC MECHANICAL ENG
PI NEW YORK
PA THREE PARK AVE, NEW YORK, NY 10016-5990 USA
SN 0742-4795
J9 J ENG GAS TURB POWER
JI J. Eng. Gas. Turbines Power-Trans. ASME
PD FEB
PY 2010
VL 132
IS 2
AR 022801
DI 10.1115/1.3124667
PG 10
WC Engineering, Mechanical
SC Engineering
GA 518CN
UT WOS:000271667900016
ER
PT J
AU Matthews, WJ
More, KL
Walker, LR
AF Matthews, Wendy J.
More, Karren L.
Walker, Larry R.
TI Comparison of Three Microturbine Primary Surface Recuperator Alloys
SO JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE
ASME
LA English
DT Article; Proceedings Paper
CT ASME Gas Turbine Technical Congress and Exposition
CY JUN 08-12, 2009
CL Orlando, FL
SP ASME
AB Extensive work performed by Capstone Turbine Corporation, Oak Ridge National Laboratory, and various others has shown that the traditional primary surface recuperator alloy, type 347 stainless steel, is unsuitable for applications above 650 degrees C (similar to 1200 degrees F). Numerous studies have shown that the presence of water vapor greatly accelerates the oxidation rate of type 347 stainless steel at temperatures above 650 degrees C (similar to 1200 degrees F). Water vapor is present as a product of combustion in the microturbine exhaust, making it necessary to find replacement alloys for type 347 stainless steel that will meet the long life requirements of microturbine primary surface recuperators. It has been well established over the past few years that alloys with higher chromium and nickel contents than type 347 stainless steel have much greater oxidation resistance in the microturbine environment. One such alloy that has replaced type 347 stainless steel in primary surface recuperators is Haynes Alloy HR-120 Haynes and HR-120 are trademarks of Haynes International, Inc.), a solid-solution-strengthened alloy with nominally 33 wt % Fe, 37 wt % Ni and 25 wt % Cr. Unfortunately, while HR-120 is significantly more oxidation resistant in the microturbine environment, it is also a much more expensive alloy. In the interest of cost reduction, other candidate primary surface recuperator alloys are being investigated as possible alternatives to type 347 stainless steel. An initial rainbow recuperator test has been performed at Capstone to compare the oxidation resistance of type 347 stainless steel, HR-120, and the Allegheny Ludlum austenitic alloy AL 20-25 + Nb AL 20-25 + Nb is a trademark of ATI Properties, Inc. and is licensed to Allegheny Ludlum Corporation). Evaluation of surface oxide scale formation and associated alloy depletion and other compositional changes has been carried out at Oak Ridge National Laboratory. The results of this initial rainbow test will be presented and discussed in this paper. [DOI: 10.1115/1.3157094]
C1 [Matthews, Wendy J.] Capstone Turbine Corp, Chatsworth, CA 91311 USA.
[More, Karren L.; Walker, Larry R.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Matthews, WJ (reprint author), Capstone Turbine Corp, Chatsworth, CA 91311 USA.
RI More, Karren/A-8097-2016
OI More, Karren/0000-0001-5223-9097
NR 27
TC 2
Z9 2
U1 0
U2 2
PU ASME-AMER SOC MECHANICAL ENG
PI NEW YORK
PA THREE PARK AVE, NEW YORK, NY 10016-5990 USA
SN 0742-4795
J9 J ENG GAS TURB POWER
JI J. Eng. Gas. Turbines Power-Trans. ASME
PD FEB
PY 2010
VL 132
IS 2
AR 022302
DI 10.1115/1.3157094
PG 6
WC Engineering, Mechanical
SC Engineering
GA 518CN
UT WOS:000271667900013
ER
PT J
AU McIlroy, HM
McEligot, DM
Pink, RJ
AF McIlroy, Hugh M., Jr.
McEligot, Donald M.
Pink, Robert J.
TI Measurement of Flow Phenomena in a Lower Plenum Model of a Prismatic
Gas-Cooled Reactor
SO JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE
ASME
LA English
DT Article; Proceedings Paper
CT 16th International Conference on Nuclear Engineering
CY MAY 11-15, 2008
CL Orlando, FL
SP ASME, Nucl Engn Div, JSME, Japan Soc Mech Engineers
AB Mean-velocity-field and turbulence data are presented that measure turbulent flow phenomena in an approximately 1:7 scale model of a region of the lower plenum of a typical prismatic gas-cooled reactor similar to a General Atomics gas-turbine-modular helium reactor design. The data were obtained in the Matched-Index-of-Refraction (MIR) Facility at Idaho National Laboratory (INL) and are offered for assessing computational fluid dynamics software. This experiment has been selected as the first standard problem endorsed by the Generation IV International Forum. Results concentrate on the region of the lower plenum near its far reflector wall (away from the outlet duct). The flow in the lower plenum consists of multiple jets injected into a confined cross flow-with obstructions. The model consists of a row of full circular posts along its centerline with half-posts on the two parallel walls to approximate geometry scaled to that expected from the staggered parallel rows of posts in the reactor design. The model is fabricated from clear, fused quartz to match the refractive-index of the working fluid so that optical techniques may be employed for the measurements. The benefit of the MIR technique is that it permits optical measurements to determine flow characteristics in complex passages in and around objects to be obtained without locating intrusive transducers that will disturb the flow field and without distortion of the optical paths. An advantage of the INL system is its large size, leading to improved spatial and temporal resolutions compared with similar facilities at smaller scales. A three-dimensional particle image velocimetry system was used to collect the data. Inlet-jet Reynolds numbers (based on the jet diameter and the time-mean bulk velocity) are approximately 4300 and 12,400. Uncertainty analyses and a discussion of the standard problem are included. The measurements reveal developing, nonuniform, turbulent flow in the inlet jets and complicated flow patterns in the model lower plenum. Data include three-dimensional vector plots, data displays along the coordinate planes (slices), and presentations that describe the component flows at specific regions in the model. Information on inlet conditions is also presented. [DOI: 10.1115/1.3078784]
C1 [McIlroy, Hugh M., Jr.; McEligot, Donald M.; Pink, Robert J.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
[McEligot, Donald M.] Univ Arizona, Tucson, AZ 85721 USA.
RP McIlroy, HM (reprint author), Idaho Natl Lab, POB 1625, Idaho Falls, ID 83415 USA.
EM hugh.mcilroy@inl.gov; robert.pink@inl.gov
NR 11
TC 0
Z9 0
U1 0
U2 3
PU ASME-AMER SOC MECHANICAL ENG
PI NEW YORK
PA THREE PARK AVE, NEW YORK, NY 10016-5990 USA
SN 0742-4795
J9 J ENG GAS TURB POWER
JI J. Eng. Gas. Turbines Power-Trans. ASME
PD FEB
PY 2010
VL 132
IS 2
AR 022901
DI 10.1115/1.3078784
PG 7
WC Engineering, Mechanical
SC Engineering
GA 518CN
UT WOS:000271667900020
ER
PT J
AU Hickner, MA
Chen, KS
Siegel, NP
AF Hickner, Michael A.
Chen, Ken S.
Siegel, Nathan P.
TI Elucidating Liquid Water Distribution and Removal in an Operating Proton
Exchange Membrane Fuel Cell via Neutron Radiography
SO JOURNAL OF FUEL CELL SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 5th International Conference on Fuel Cell Science, Engineering and
Technology
CY JUN 18-20, 2007
CL Brooklyn, NY
ID QUANTIFICATION; TRANSPORT; PART
AB Neutron radiography was used to quantify the steady-state water content and its distribution in a 50 cm(2) operating proton exchange membrane fuel cell. It was observed that the liquid water distribution near the corners of the gas-flow channels (GFCs) is influenced by the local gas-flow velocity as determined by the cathode stoichiometric flow ratio. At low velocity, the distribution of liquid water down the channel was found to be fairly uniform with only a slight reduction in liquid water content at the exit of the GFC corners. It was further observed that as the cathode gas-flow velocity is increased, a noticeable pattern develops in which liquid water is concentrated at the entrance to the GFC corners and becomes depleted in the corner and near the exit of the corner; liquid water content again increases further down the channel away from the corners. A single-phase computational fluid dynamics (CFD) model was developed and employed to help explain the observed water-distribution patterns. Flow-fields computed from our CFD model reveal recirculation regions in the GFC corners as well as in the areas of increased local gas-flow velocity, which help explain the experimentally observed liquid water distribution. [DOI: 10.1115/1.3115624]
C1 [Chen, Ken S.] Sandia Natl Labs, Dept Nanoscale & React Proc, Albuquerque, NM 87185 USA.
[Hickner, Michael A.] Sandia Natl Labs, Dept Fuels & Energy Transit, Albuquerque, NM 87185 USA.
[Siegel, Nathan P.] Sandia Natl Labs, Dept Solar Technol, Albuquerque, NM 87185 USA.
RP Chen, KS (reprint author), Sandia Natl Labs, Dept Nanoscale & React Proc, POB 5800, Albuquerque, NM 87185 USA.
EM kschen@sandia.gov
NR 12
TC 4
Z9 4
U1 3
U2 7
PU ASME-AMER SOC MECHANICAL ENG
PI NEW YORK
PA THREE PARK AVE, NEW YORK, NY 10016-5990 USA
SN 1550-624X
J9 J FUEL CELL SCI TECH
JI J. Fuel Cell Sci. Technol.
PD FEB
PY 2010
VL 7
IS 1
AR 011001
DI 10.1115/1.3115624
PG 5
GA 518CL
UT WOS:000271667600001
ER
PT J
AU VanOsdol, J
Liese, E
Tucker, D
Gemmen, R
James, R
AF VanOsdol, John
Liese, Eric
Tucker, David
Gemmen, Randall
James, Robert
TI Scaling a Solid Oxide Fuel Cell Gas Turbine Hybrid System to Meet a
Range of Power Demand
SO JOURNAL OF FUEL CELL SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 5th International Conference on Fuel Cell Science, Engineering and
Technology
CY JUN 18-20, 2007
CL Brooklyn, NY
AB In recent years there has been significant interest in using the heat generated from the normal operation of a solid oxide fuel cell (SOFC) to supplant the normal combustion process of a gas turbine system. By doing this a gas turbine fuel cell hybrid power generation system is formed. Because the heat produced by a SOFC is utilized by the turbine to produce work, the hybrid system can have an overall system efficiency that greatly exceeds those of either the stand alone SOFC system, or the stand alone gas turbine system. One of the most critical problems that must be addressed in gas turbine fuel cell hybrid technology is temperature control. A hybrid system that is designed to operate efficiently for a given base load may not be easily extended to accommodate peek load. In this paper a simple hybrid system configuration using a standard SOFC and a single compressor-turbine pair is presented. This simple system is used to establish the effect that key configuration parameters have on system temperatures. The configuration model is then scaled over a range of fuel input and power output to show the limitations of the system. The system is modeled using the ASPEN PLUS (R) simulation software with special modules to calculate fuel cell performance. [DOI: 10.1115/1.3115623]
C1 [VanOsdol, John; Liese, Eric; Tucker, David; Gemmen, Randall; James, Robert] US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA.
RP VanOsdol, J (reprint author), US DOE, Natl Energy Technol Lab, 3610 Collins Ferry Rd, Morgantown, WV 26507 USA.
EM jvanos@netl.doe.gov
NR 7
TC 1
Z9 1
U1 1
U2 4
PU ASME-AMER SOC MECHANICAL ENG
PI NEW YORK
PA THREE PARK AVE, NEW YORK, NY 10016-5990 USA
SN 1550-624X
J9 J FUEL CELL SCI TECH
JI J. Fuel Cell Sci. Technol.
PD FEB
PY 2010
VL 7
IS 1
AR 015001
DI 10.1115/1.3115623
PG 8
GA 518CL
UT WOS:000271667600024
ER
PT J
AU Bai, Y
Burdman, G
Hill, CT
AF Bai, Yang
Burdman, Gustavo
Hill, Christopher T.
TI Topological interactions in warped extra dimensions
SO JOURNAL OF HIGH ENERGY PHYSICS
LA English
DT Article
DE Beyond Standard Model; Field Theories in Higher Dimensions
ID BULK
AB Topological interactions will be generated in theories with compact extra dimensions where fermionic chiral zero modes have different localizations. This is the case in many warped extra dimension models where the right-handed top quark is typically localized away from the left-handed one. Using deconstruction techniques, we study the topological interactions in these models. These interactions appear as trilinear and quadrilinear gauge boson couplings in low energy effective theories with three or more sites, as well as in the continuum limit. We derive the form of these interactions for various cases, including examples of Abelian, non-Abelian and product gauge groups of phenomenological interest. The topological interactions provide a window into the more fundamental aspects of these theories and could result in unique signatures at the Large Hadron Collider, some of which we explore.
C1 [Bai, Yang; Burdman, Gustavo; Hill, Christopher T.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Burdman, Gustavo] Univ Sao Paulo, Inst Fis, BR-01498 Sao Paulo, Brazil.
RP Bai, Y (reprint author), Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA.
EM bai@fnal.gov; burdman@if.usp.br; hill@fnal.gov
RI Burdman, Gustavo/D-3285-2012
FU John Simon Guggenheim Memorial Foundation; Conselho Nacional de
Desenvolvimento Cientifico e Tecnologico (CNPq); United States
Department of Energy [DE-AC02-07CH11359]
FX The authors are grateful to Bill Bardeen, Hsin-Chia Cheng, John Terning
and Zhenyu Han for useful discussions and suggestions. G. B.
acknowledges support from the John Simon Guggenheim Memorial Foundation
and the Conselho Nacional de Desenvolvimento Cientifico e Tecnologico
(CNPq). Y. B. and G. B thank the Aspen Center for Physics for its
hospitality. Fermilab is operated by Fermi Research Alliance, LLC under
contract no. DE-AC02-07CH11359 with the United States Department of
Energy.
NR 37
TC 7
Z9 7
U1 0
U2 1
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1029-8479
J9 J HIGH ENERGY PHYS
JI J. High Energy Phys.
PD FEB
PY 2010
IS 2
AR 049
DI 10.1007/JHEP02(2010)049
PG 35
WC Physics, Particles & Fields
SC Physics
GA 564NZ
UT WOS:000275223100049
ER
PT J
AU Chu, CS
Ho, CM
AF Chu, Chong-Sun
Ho, Chiu Man
TI Nonequilibrium dynamics in noncommutative spacetime
SO JOURNAL OF HIGH ENERGY PHYSICS
LA English
DT Article
DE Non-Commutative Geometry; Thermal Field Theory
ID FIELD-THEORIES; D-BRANE; UNITARITY; GEOMETRY
AB We study the effects of spacetime noncommutativity on the nonequilibrium dynamics of particles in a thermal bath. We show that the noncommutative thermal bath does not suffer from any further IR/UV mixing problem in the sense that all the finite-temperature non-planar quantities are free from infrared singularities. We also point out that the combined effect of finite temperature and noncommutative geometry has a distinct effect on the nonequilibrium dynamics of particles propagating in a thermal bath: depending on the momentum of the mode of concern, noncommutative geometry may switch on or switch off their decay and thermalization. This could have significant impacts on the nonequilibrium phenomena in the early universe at which spacetime noncommutativity may be present. Our results suggest a re-examination of some of the important processes in the early universe such as reheating after inflation, baryogenesis and the freeze-out of superheavy dark matter candidates.
C1 [Chu, Chong-Sun] Univ Durham, Ctr Particle Theory, Durham DH1 3LE, England.
[Chu, Chong-Sun] Univ Durham, Dept Math, Durham DH1 3LE, England.
[Ho, Chiu Man] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA.
[Ho, Chiu Man] Univ Calif Berkeley, Lawrence Berkeley Lab, Theoret Phys Grp, Berkeley, CA 94720 USA.
[Ho, Chiu Man] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA.
RP Chu, CS (reprint author), Univ Durham, Ctr Particle Theory, Durham DH1 3LE, England.
EM chong-sun.chu@durham.ac.uk; chiuman.ho@vanderbilt.edu
RI Chu, chong-sun/J-8842-2012; Ho, Chiu Man /C-2741-2013
NR 41
TC 1
Z9 1
U1 0
U2 0
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1029-8479
J9 J HIGH ENERGY PHYS
JI J. High Energy Phys.
PD FEB
PY 2010
IS 2
AR 098
DI 10.1007/JHEP02(2010)098
PG 20
WC Physics, Particles & Fields
SC Physics
GA 564NZ
UT WOS:000275223100097
ER
PT J
AU Khachatryan, V
Sirunyan, AM
Tumasyan, A
Adam, W
Bergauer, T
Dragicevic, M
Ero, J
Friedl, M
Fruhwirth, R
Ghete, VM
Hammer, J
Hansel, S
Hoch, M
Hormann, N
Hrubec, J
Jeitler, M
Kasieczka, G
Krammer, M
Liko, D
Mikulec, I
Pernicka, M
Rohringer, H
Schofbeck, R
Strauss, J
Taurok, A
Teischinger, F
Waltenberger, W
Walzel, G
Widl, E
Wulz, CE
Mossolov, V
Shumeiko, N
Gonzalez, JS
Benucci, L
De Wolf, EA
Hashemi, M
Janssen, X
Maes, T
Mucibello, L
Ochesanu, S
Rougny, R
Selvaggi, M
Van Haevermaet, H
Van Mechelen, P
Van Remortel, N
Adler, V
Beauceron, S
D'Hondt, J
Devroede, O
Kalogeropoulos, A
Maes, J
Mozer, MU
Tavernier, S
Van Doninck, W
Van Mulders, P
Villella, I
Chabert, EC
Charaf, O
Clerbaux, B
De Lentdecker, G
Dero, V
Gay, APR
Hammad, GH
Marage, PE
Vander Velde, C
Vanlaer, P
Wickens, J
Grunewald, M
Klein, B
Marinov, A
Ryckbosch, D
Thyssen, F
Tytgat, M
Vanelderen, L
Verwilligen, P
Walsh, S
Basegmez, S
Bruno, G
Caudron, J
Gil, EC
De Jeneret, JDF
Delaere, C
Demin, P
Favart, D
Giammanco, A
Gregoire, G
Hollar, J
Lemaitre, V
Maltoni, F
Militaru, O
Ovyn, S
Piotrzkowski, K
Quertenmont, L
Schul, N
Beliy, N
Caebergs, T
Daubie, E
Herquet, P
Alves, GA
Pol, ME
Souza, MHG
Carvalho, W
Da Costa, EM
Damiao, DDJ
Martins, CDO
De Souza, SF
Mundim, L
Oguri, V
Santoro, A
Do Amaral, SMS
Sznajder, A
De Araujo, FTD
Dias, FA
Dias, MAF
Tomei, TRFP
Gregores, EM
Marinho, F
Novaes, SF
Padula, SS
Damgov, J
Darmenov, N
Dimitrov, L
Genchev, V
Iaydjiev, P
Piperov, S
Stoykova, S
Sultanov, G
Trayanov, R
Vankov, I
Hadjiiska, R
Kozhuharov, V
Litov, L
Mateev, M
Pavlov, B
Petkov, P
Chen, GM
Chen, HS
Jiang, CH
Liang, D
Liang, S
Meng, X
Tao, J
Wang, J
Wang, J
Wang, X
Wang, Z
Zang, J
Zhang, Z
Ban, Y
Guo, S
Hu, Z
Mao, Y
Qian, SJ
Teng, H
Zhu, B
Montoya, CAC
Moreno, BG
Rios, AAO
Sanabria, JC
Godinovic, N
Lelas, K
Plestina, R
Polic, D
Puljak, I
Antunovic, Z
Dzelalija, M
Brigljevic, V
Duric, S
Kadija, K
Morovic, S
Attikis, A
Fereos, R
Galanti, M
Mousa, J
Papadakis, A
Ptochos, F
Razis, PA
Tsiakkouri, D
Zinonos, Z
Hektor, A
Kadastik, M
Kannike, K
Muntel, M
Raidal, M
Rebane, L
Eerola, P
Czellar, S
Harkonen, J
Heikkinen, A
Karimaki, V
Kinnunen, R
Klem, J
Kortelainen, MJ
Lampen, T
Lassila-Perini, K
Lehti, S
Linden, T
Luukka, P
Macnpaa, T
Tuominen, E
Tuominiemi, J
Tuovinen, E
Ungaro, D
Wendland, L
Banzuzi, K
Korpela, A
Tuuva, T
Sillou, D
Besancon, M
Dejardin, M
Denegri, D
Descamps, J
Fabbro, B
Faure, JL
Ferri, F
Ganjour, S
Gentit, FX
Givernaud, A
Gras, P
de Monchenault, GH
Jarry, P
Locci, E
Malcles, J
Marionneau, M
Millischer, L
Rander, J
Rosowsky, A
Rousseau, D
Titov, M
Verrecchia, P
Baffioni, S
Bianchini, L
Broutin, C
Busson, P
Charlot, C
Dobrzynski, L
Elgammal, S
de Cassagnac, RG
Haguenauer, M
Mine, P
Paganini, P
Sirois, Y
Thiebaux, C
Zabi, A
Agram, JL
Besson, A
Bloch, D
Bodin, D
Brom, JM
Cardaci, M
Conte, E
Drouhin, F
Ferro, C
Fontaine, JC
Gele, D
Goerlach, U
Greder, S
Juillot, P
Le Bihan, AC
Mikami, Y
Ripp-Baudot, I
Speck, J
Van Hove, P
Baty, C
Bedjidian, M
Bondu, O
Boudoul, G
Boumediene, D
Brun, H
Chanon, N
Chierici, R
Contardo, D
Depasse, P
El Mamouni, H
Fassi, F
Fay, J
Gascon, S
Ille, B
Kurca, T
Le Grand, T
Lethuillier, M
Mirabito, L
Perries, S
Tosi, S
Tschudi, Y
Verdier, P
Xiao, H
Roinishvili, V
Anagnostou, G
Edelhoff, M
Feld, L
Heracleous, N
Hindrichs, O
Jussen, R
Klein, K
Merz, J
Mohr, N
Ostapchuk, A
Pandoulas, D
Perieanu, A
Raupach, F
Sammet, J
Schael, S
Sprenger, D
Weber, H
Weber, M
Wittmer, B
Actis, O
Bender, W
Biallass, P
Erdmann, M
Frangenheim, J
Hebbeker, T
Hinzmann, A
Hoepfner, K
Hof, C
Kirsch, M
Klimkovich, T
Kreuzer, P
Lanske, D
Merschmeyer, M
Meyer, A
Pieta, H
Reithler, H
Schmitz, SA
Sowa, M
Steggemann, J
Teyssier, D
Zeidler, C
Bontenackels, M
Davids, M
Duda, M
Flugge, G
Geenen, H
Giffels, M
Ahmad, WH
Heydhausen, D
Kress, T
Kuessel, Y
Linn, A
Nowack, A
Perchalla, L
Pooth, O
Sauerland, P
Stahl, A
Thomas, M
Tornier, D
Zoeller, MH
Martin, MA
Behrens, U
Borras, K
Campbell, A
Castro, E
Dammann, D
Eckerlin, G
Flossdorf, A
Flucke, G
Geiser, A
Hauk, J
Jung, H
Kasemann, M
Katkov, I
Kleinwort, C
Kluge, H
Knutsson, A
Kuznetsova, E
Lange, W
Lohmann, W
Mankel, R
Marienfeld, M
Meyer, AB
Mnich, J
Olzem, J
Parenti, A
Schmidt, R
Schoerner-Sadenius, T
Sen, N
Stein, M
Volyanskyy, D
Wissing, C
Autermann, C
Draeger, J
Eckstein, D
Enderle, H
Gebbert, U
Kaschube, K
Kaussen, G
Klanner, R
Mura, B
Naumann-Emme, S
Nowak, F
Sander, C
Schleper, P
Schroder, M
Schum, T
Stadie, H
Steinbruck, G
Thomsen, J
Wolf, R
Bauer, J
Blum, P
Buege, V
Cakir, A
Chwalek, T
Daeuwel, D
De Boer, W
Dierlamm, A
Dirkes, G
Feindt, M
Frey, M
Gruschke, J
Hackstein, C
Hartmann, F
Heinrich, M
Hoffmann, KH
Honc, S
Kuhr, T
Martschei, D
Mueller, S
Muller, T
Niegel, M
Oberst, O
Oehler, A
Ott, J
Peiffer, T
Piparo, D
Quast, G
Rabbertz, K
Renz, M
Sabellek, A
Saout, C
Scheurer, A
Schieferdecker, P
Schilling, FP
Schott, G
Simonis, HJ
Stober, FM
Wagner-Kuhr, J
Zeise, M
Zhukov, V
Ziebarth, EB
Daskalakis, G
Geralis, T
Karafasoulis, K
Kyriakis, A
Loukas, D
Markou, A
Markou, C
Mavrommatis, C
Petrakou, E
Zachariadou, A
Agapitos, A
Gouskos, L
Katsas, P
Panagiotou, A
Saganis, K
Xaxiris, E
Evangelou, I
Kokkas, P
Manthos, N
Papadopoulos, I
Triantis, FA
Aranyi, A
Bencze, G
Boldizsar, L
Debreczeni, G
Hajdu, C
Horvath, D
Kapusi, A
Krajczar, K
Laszlo, A
Sikler, F
Vesztergombi, G
Beni, N
Molnar, J
Palinkas, J
Szillasi, Z
Veszpremi, V
Raics, P
Trocsanyi, ZL
Ujvari, B
Bansal, S
Beri, SB
Bhatnagar, V
Jindal, M
Kaur, M
Kohli, JM
Mehta, MZ
Nishu, N
Saini, LK
Sharma, A
Sharma, R
Singh, AP
Singh, JB
Singh, SP
Ahuja, S
Bhattacharya, S
Chauhan, S
Choudhary, BC
Gupta, P
Jain, S
Jain, S
Kumar, A
Ranjan, K
Shivpuri, RK
Choudhury, RK
Dutta, D
Kailas, S
Kataria, SK
Mohanty, AK
Pant, LM
Shukla, P
Suggisetti, P
Aziz, T
Guchait, M
Gurtu, A
Maity, M
Majumder, D
Majumder, G
Mazumdar, K
Nayak, A
Saha, A
Sudhakar, K
Wickramage, N
Banerjee, S
Dugad, S
Mondal, NK
Arfaei, H
Bakhshiansohi, H
Fahim, A
Jafari, A
Najafabadi, MM
Moshaii, A
Mehdiabadi, SP
Zeinali, M
Felcini, M
Abbrescia, M
Barbone, L
Colaleo, A
Creanza, D
De Filippis, N
De Palma, M
Dimitrov, A
Fedele, F
Fiore, L
Iaselli, G
Lusito, L
Maggi, G
Maggi, M
Manna, N
Marangelli, B
My, S
Nuzzo, S
Pierro, GA
Polese, G
Pompili, A
Pugliese, G
Romano, F
Roselli, G
Selvaggi, G
Silvestris, L
Tupputi, S
Zito, G
Abbiendi, G
Bonacorsi, D
Braibant-Giacomelli, S
Capiluppi, P
Cavallo, FR
Codispoti, G
Cuffiani, M
Dallavalle, GM
Fabbri, F
Fanfani, A
Fasanella, D
Giacomelli, P
Giunta, M
Grandi, C
Marcellini, S
Masetti, G
Montanari, A
Navarria, FL
Odorici, F
Perrotta, A
Rossi, AM
Rovelli, T
Siroli, G
Travaglini, R
Albergo, S
Chiorboli, M
Costa, S
Potenza, R
Tricomi, A
Tuve, C
Barbagli, G
Broccolo, G
Ciulli, V
Civinini, C
D'Alessandro, R
Focardi, E
Frosali, S
Gallo, E
Genta, C
Landi, G
Lenzi, P
Meschini, M
Paoletti, S
Sguazzoni, G
Tropiano, A
Bianco, S
Colafranceschi, S
Fabbri, F
Piccolo, D
Fabbricatore, P
Musenich, R
Benaglia, A
Cerati, GB
De Guio, F
Ghezzi, A
Govoni, P
Malberti, M
Malvezzi, S
Martelli, A
Menasce, D
Miccio, V
Moroni, L
Negri, P
Paganoni, M
Pedrini, D
Pullia, A
Ragazzi, S
Redaelli, N
Sala, S
Salerno, R
Tabarelli de Fatis, T
Tancini, V
Taroni, S
Cimmino, A
De Gruttola, M
Fabozzi, F
Iorio, AOM
Lista, L
Noli, P
Paolucci, P
Azzi, P
Bacchetta, N
Bellan, P
Biasotto, M
Carlin, R
Checchia, P
De Mattia, M
Dorigo, T
Fanzago, F
Gasparini, F
Giubilato, P
Gonella, F
Gresele, A
Gulmini, M
Lacaprara, S
Lazzizzera, I
Maron, G
Mattiazzo, S
Meneguzzo, AT
Passaseo, M
Pegoraro, M
Pozzobon, N
Ronchese, P
Torassa, E
Tosi, M
Vanini, S
Ventura, S
Zotto, P
Baesso, P
Berzano, U
Pagano, D
Ratti, SP
Riccardi, C
Torre, P
Vitulo, P
Viviani, C
Biasini, M
Bilei, GM
Caponeri, B
Fano, L
Lariccia, P
Lucaroni, A
Mantovani, G
Nappi, A
Santocchia, A
Servoli, L
Volpe, R
Azzurri, P
Bagliesi, G
Bernardini, J
Boccali, T
Bocci, A
Castaldi, R
Dell'Orso, R
Dutta, S
Fiori, F
Foa, L
Gennai, S
Giassi, A
Kraan, A
Ligabue, F
Lomtadze, T
Martini, L
Messineo, A
Palla, F
Palmonari, F
Sarkar, S
Segneri, G
Serban, AT
Spagnolo, P
Tenchini, R
Tonelli, G
Venturi, A
Verdini, PG
Barone, L
Cavallari, F
Del Re, D
Di Marco, E
Diemoz, M
Franci, D
Grassi, M
Longo, E
Organtini, G
Palma, A
Pandolfi, F
Paramatti, R
Rahatlou, S
Rovelli, C
Amapane, N
Arcidiacono, R
Argiro, S
Arneodo, M
Biino, C
Borgia, MA
Botta, C
Cartiglia, N
Castello, R
Costa, M
Dellacasa, G
Demaria, N
Graziano, A
Mariotti, C
Marone, M
Maselli, S
Migliore, E
Mila, G
Monaco, V
Musich, M
Obertino, MM
Pastrone, N
Romero, A
Ruspa, M
Sacchi, R
Solano, A
Staiano, A
Trocino, D
Pereira, AV
Ambroglini, F
Belforte, S
Cossutti, F
Della Ricca, G
Gobbo, B
Penzo, A
Chang, S
Chung, J
Kim, DH
Kim, GN
Kong, DJ
Park, H
Son, DC
Kim, Z
Song, S
Jung, SY
Hong, B
Kim, H
Kim, JH
Lee, KS
Moon, DH
Park, SK
Rhee, HB
Sim, KS
Kim, J
Choi, M
Park, IC
Choi, S
Choi, Y
Choi, YK
Goh, J
Jo, Y
Kwon, J
Lee, J
Lee, S
Janulis, M
Martisiute, D
Petrov, P
Sabonis, T
Valdez, HC
Hernandez, AS
Moreno, SC
Ibarguen, HAS
Linares, EC
Pineda, AM
Allfrey, P
Krofcheck, D
Aumeyr, T
Butler, PH
Signal, T
Williams, JC
Ahmad, M
Ahmed, I
Asghar, MI
Hoorani, HR
Khan, WA
Khurshid, T
Qazi, S
Cwiok, M
Dominik, W
Doroba, K
Konecki, M
Krolikowski, J
Frueboes, T
Gokieli, R
Gorski, M
Kazana, M
Nawrocki, K
Szleper, M
Wrochna, G
Zalewski, P
Almeida, N
Bargassa, P
David, A
Faccioli, P
Parracho, PGF
Gallinaro, M
Musella, P
Ribeiro, PQ
Seixas, J
Silva, P
Varela, J
Wohri, HK
Altsybeev, I
Belotelov, I
Bunin, P
Finger, M
Finger, M
Golutvin, I
Kamenev, A
Karjavin, V
Kozlov, G
Lanev, A
Moisenz, P
Palichik, V
Perelygin, V
Shmatov, S
Smirnov, V
Vishnevskiy, A
Volodko, A
Zarubin, A
Ivanov, Y
Kim, V
Levchenko, P
Obrant, G
Shcheglov, Y
Shchetkovskiy, A
Smirnov, I
Sulimov, V
Vavilov, S
Vorobyev, A
Andreev, Y
Gninenko, S
Golubev, N
Karneyeu, A
Kirsanov, M
Krasnikov, N
Matveev, V
Pashenkov, A
Toropin, A
Troitsky, S
Epshteyn, V
Gavrilov, V
Ilina, N
Kaftanov, V
Kossov, M
Krokhotin, A
Kuleshov, S
Oulianov, A
Safronov, G
Semenov, S
Shreyber, I
Stolin, V
Vlasov, E
Zhokin, A
Boos, E
Dubinin, M
Dudko, L
Ershov, A
Gribushin, A
Kodolova, O
Lokhtin, I
Petrushanko, S
Sarycheva, L
Savrin, V
Vardanyan, I
Dremin, I
Kirakosyan, M
Konovalova, N
Rusakov, SV
Vinogradov, A
Azhgirey, I
Bitioukov, S
Datsko, K
Kachanov, V
Konstantinov, D
Krychkine, V
Petrov, V
Ryutin, R
Slabospitsky, S
Sobol, A
Sytine, A
Tourtchanovitch, L
Troshin, S
Tyurin, N
Uzunian, A
Volkov, A
Adzic, P
Djordjevic, M
Maletic, D
Puzovic, J
Aguilar-Benitez, M
Maestre, JA
Arce, P
Battilana, C
Calvo, E
Cepeda, M
Cerrada, M
Llatas, MC
Colino, N
De la Cruz, B
Pardos, CD
Bedoya, CF
Ramos, JPF
Ferrando, A
Flix, J
Fouz, MC
Garcia-Abia, P
Lopez, OG
Lopez, SG
Hernandez, JM
Josa, MI
Merino, G
Pelayo, JP
Romero, L
Santaolalla, J
Willmott, C
Albajar, C
De Troconiz, JF
Cuevas, J
Menendez, JF
Caballero, IG
Iglesias, LL
Garcia, JM
Cabrillo, IJ
Calderon, A
Chuang, SH
Merino, ID
Gonzalez, CD
Campderros, JD
Fernandez, M
Gomez, G
Sanchez, JG
Suarez, RG
Jorda, C
Pardo, PL
Virto, AL
Marco, J
Marco, R
Rivero, CM
del Arbol, PMR
Matorras, F
Rodrigo, T
Jimeno, AR
Scodellaro, L
Sanudo, MS
Vila, I
Cortabitarte, RV
Abbaneo, D
Auffray, E
Baillon, P
Ball, AH
Barney, D
Beaudette, F
Beccati, B
Bell, AJ
Bellan, R
Benedetti, D
Bernet, C
Bialas, W
Bloch, P
Bolognesi, S
Bona, M
Breuker, H
Bunkowski, K
Camporesi, T
Cano, E
Cattai, A
Cerminara, G
Christiansen, T
Perez, JAC
Covarelli, R
Cure, B
Dahms, T
De Roeck, A
Elliott-Peisert, A
Funk, W
Gaddi, A
Gerwig, H
Gigi, D
Gill, K
Giordano, D
Glege, F
Gowdy, S
Guiducci, L
Gutleber, J
Hartl, C
Harvey, J
Hegner, B
Henderson, C
Hoffmann, HF
Honma, A
Huhtinen, M
Innocente, V
Janot, P
Lecoq, P
Leonidopoulos, C
Lourenco, C
Macpherson, A
Maki, T
Malgeri, L
Mannelli, M
Masetti, L
Meijers, F
Meridiani, P
Mersi, S
Meschi, E
Moser, R
Mulders, M
Noy, M
Orimoto, T
Orsini, L
Perez, E
Petrilli, A
Pfeiffer, A
Pierini, M
Pimia, M
Racz, A
Rolandi, G
Rovere, M
Ryjov, V
Sakulin, H
Schafer, C
Schlatter, WD
Schwick, C
Segoni, I
Sharma, A
Siegrist, P
Simon, M
Sphicas, P
Spiga, D
Spiropulu, M
Stockli, F
Traczyk, P
Tropea, P
Tsirou, A
Veres, GI
Vichoudis, P
Voutilainen, M
Zeuner, WD
Bertl, W
Deiters, K
Erdmann, W
Gabathuler, K
Horisberger, R
Ingram, Q
Kaestli, HC
Konig, S
Kotlinski, D
Langenegger, U
Meier, F
Renker, D
Rohe, T
Sibille, J
Starodumov, A
Caminada, L
Casella, MC
Chen, Z
Cittolin, S
Dambach, S
Dissertori, G
Dittmar, M
Eggel, C
Eugster, J
Eugster, J
Freudenreich, K
Grab, C
Herve, A
Hintz, W
Lecomte, P
Lustermann, W
Marchica, C
Milenovic, P
Moortgat, F
Nardulli, A
Nessi-Tedaldi, F
Pape, L
Pauss, F
Punz, T
Rizzi, A
Ronga, FJ
Sala, L
Sanchez, AK
Sawley, MC
Schinzel, D
Sordini, V
Stieger, B
Tauscher, L
Thea, A
Theofilatos, K
Treille, D
Trub, P
Weber, M
Wehrli, L
Weng, J
Amsler, C
Chiochia, V
De Visscher, S
Rikova, MI
Regenfus, C
Robmann, P
Rommerskirchen, T
Schmidt, A
Snoek, H
Tsirigkas, D
Wilke, L
Chang, YH
Chen, EA
Chen, WT
Go, A
Kuo, CM
Li, SW
Lin, W
Liu, MH
Wu, JH
Bartalini, P
Chang, P
Chang, YH
Chao, Y
Chen, KF
Hou, WS
Hsiung, Y
Lei, YJ
Lin, SW
Lu, RS
Shiu, JG
Tzeng, YM
Ueno, K
Wang, CC
Wang, M
Adiguzel, A
Ayhan, A
Bakirci, MN
Cerci, S
Demir, Z
Dozen, C
Dumanoglu, I
Eskut, E
Girgis, S
Gurpinar, E
Karaman, T
Topaksu, AK
Onengut, G
Ozdemir, K
Ozturk, S
Polatoz, A
Sahin, O
Sengul, O
Sogut, K
Tali, B
Topakli, H
Uzun, D
Vergili, LN
Vergili, M
Akin, IV
Aliev, T
Bilmis, S
Deniz, M
Gamsizkan, H
Guler, AM
Ocalan, K
Serin, M
Sever, R
Surat, UE
Zeyrek, M
Deliomeroglu, M
Demir, D
Gulmez, E
Halu, A
Isildak, B
Kaya, M
Kaya, O
Ozkorucuklu, S
Sonmez, N
Levchuk, L
Bell, P
Bostock, F
Brooke, JJ
Cheng, TL
Cussans, D
Frazier, R
Goldstein, J
Hansen, M
Heath, GP
Heath, HF
Hill, C
Huckvale, B
Jackson, J
Kreczko, L
Mackay, CK
Metson, S
Newbold, DM
Nirunpong, K
Smith, VJ
Ward, S
Basso, L
Bell, KW
Brew, C
Brown, RM
Camanzi, B
Cockerill, DJA
Coughlan, JA
Harder, K
Harper, S
Kennedy, BW
Shepherd-Themistocleous, CH
Tomalin, IR
Womersley, WJ
Worm, SD
Bainbridge, R
Ball, G
Ballin, J
Beuselinck, R
Buchmuller, O
Colling, D
Cripps, N
Davies, G
Della Negra, M
Foudas, C
Fulcher, J
Futyan, D
Hall, G
Hays, J
Iles, G
Karapostoli, G
Lyons, L
MacEvoy, BC
Magnan, AM
Marrouche, J
Nash, J
Nikitenko, A
Papageorgiou, A
Pesaresi, M
Petridis, K
Pioppi, M
Raymond, DM
Rompotis, N
Rose, A
Ryan, MJ
Seez, C
Sharp, P
Stoye, M
Tapper, A
Tourneur, S
Acosta, MV
Virdee, T
Wakefield, S
Wardrope, D
Whyntie, T
Barrett, M
Chadwick, M
Cole, JE
Hobson, PR
Khan, A
Kyberd, P
Leslie, D
Reid, ID
Teodorescu, L
Bose, T
Clough, A
Heister, A
John, JS
Lawson, P
Lazic, D
Rohlf, J
Sulak, L
Andrea, J
Avetisyan, A
Bhattacharya, S
Chou, JP
Cutts, D
Esen, S
Kukartsev, G
Landsberg, G
Narain, M
Nguyen, D
Speer, T
Tsang, KV
Breedon, R
Sanchez, MCD
Cebra, D
Chertok, M
Conway, J
Cox, PT
Dolen, J
Erbacher, R
Friis, E
Ko, W
Kopecky, A
Lander, R
Liu, H
Maruyama, S
Miceli, T
Nikolic, M
Pellett, D
Robles, J
Searle, M
Smith, J
Squires, M
Tripathi, M
Sierra, RV
Veelken, C
Andreev, V
Arisaka, K
Cline, D
Cousins, R
Erhan, S
Farrell, C
Hauser, J
Ignatenko, M
Jarvis, C
Rakness, G
Schlein, P
Tucker, J
Valuev, V
Wallny, R
Babb, J
Chandra, A
Clare, R
Ellison, JA
Gary, JW
Hanson, G
Jeng, GY
Kao, SC
Liu, F
Liu, H
Luthra, A
Nguyen, H
Shen, BC
Stringer, R
Sturdy, J
Wilken, R
Wimpenny, S
Andrews, W
Branson, JG
Dusinberre, E
Evans, D
Golf, F
Holzner, A
Kelley, R
Lebourgeois, M
Letts, J
Mangano, B
Muelmenstaedt, J
Norman, M
Padhi, S
Petrucciani, G
Pi, H
Pieri, M
Ranieri, R
Sani, M
Sharma, V
Simon, S
Vartak, A
Wurthwein, F
Yagil, A
Barge, D
Blume, M
Campagnari, C
D'Alfonso, M
Danielson, T
Garberson, J
Incandela, J
Justus, C
Kalavase, P
Koay, SA
Kovalskyi, D
Krutelyov, V
Lamb, J
Lowette, S
Pavlunin, V
Rebassoo, F
Ribnik, J
Richman, J
Rossin, R
Stuart, D
To, W
Vlimant, JR
Witherell, M
Apresyan, A
Bornheim, A
Bunn, J
Gataullin, M
Litvine, V
Ma, Y
Newman, HB
Rogan, C
Timciuc, V
Veverka, J
Wilkinson, R
Yang, Y
Zhu, RY
Akgun, B
Carroll, R
Ferguson, T
Jang, DW
Jun, SY
Paulini, M
Russ, J
Terentyev, N
Vogel, H
Vorobiev, I
Cumalat, JP
Dinardo, ME
Drell, BR
Ford, WT
Heyburn, B
Lopez, EL
Nauenberg, U
Stenson, K
Ulmer, K
Wagner, SR
Zang, SL
Agostino, L
Alexander, J
Blekman, F
Cassel, D
Chatterjee, A
Das, S
Eggert, N
Gibbons, LK
Heltsley, B
Hopkins, W
Khukhunaishvili, A
Kreis, B
Patterson, JR
Puigh, D
Ryd, A
Shi, X
Sun, W
Teo, WD
Thom, J
Vaughan, J
Weng, Y
Wittich, P
Biselli, A
Cirino, G
Winn, D
Albrow, M
Apollinari, G
Atac, M
Bakken, JA
Banerjee, S
Bauerdick, LAT
Beretvas, A
Berryhill, J
Bhat, PC
Binkley, M
Bloch, I
Borcherding, F
Burkett, K
Butler, JN
Chetluru, V
Cheung, HWK
Chlebana, F
Cihangir, S
Demarteau, M
Eartly, DP
Elvira, VD
Fisk, I
Freeman, J
Gottschalk, E
Green, D
Gutsche, O
Hahn, A
Hanlon, J
Harris, RM
James, E
Jensen, H
Johnson, M
Joshi, U
Klima, B
Kousouris, K
Kunori, S
Kwan, S
Limon, P
Lueking, L
Lykken, J
Maeshima, K
Marraffino, JM
Mason, D
McBride, P
McCauley, T
Miao, T
Mishra, K
Mrenna, S
Musienko, Y
Newman-Holmes, C
O'Dell, V
Popescu, S
Prokofyev, O
Sexton-Kennedy, E
Sharma, S
Smith, RP
Soha, A
Spalding, WJ
Spiegel, L
Tan, P
Taylor, L
Tkaczyk, S
Uplegger, L
Vaandering, EW
Vidal, R
Whitmore, J
Wu, W
Yumiceva, F
Yun, JC
Acosta, D
Avery, P
Bourilkov, D
Chen, M
Di Giovanni, GP
Dobur, D
Drozdetskiy, A
Field, RD
Fu, Y
Furic, IK
Gartner, J
Kim, B
Klimenko, S
Konigsberg, J
Korytov, A
Kotov, K
Kropivnitskaya, A
Kypreos, T
Matchev, K
Mitselmakher, G
Pakhotin, Y
Gomez, JP
Prescott, C
Rapsevicius, V
Remington, R
Schmitt, M
Scurlock, B
Wang, D
Yelton, J
Zakaria, M
Ceron, C
Gaultney, V
Kramer, L
Lebolo, LM
Linn, S
Markowitz, P
Martinez, G
Rodriguez, JL
Adams, T
Askew, A
Chen, J
Dharmaratna, WGD
Diamond, B
Gleyzer, SV
Haas, J
Hagopian, S
Hagopian, V
Jenkins, M
Johnson, KF
Prosper, H
Sekmen, S
Baarmand, MM
Guragain, S
Hohlmann, M
Kalakhety, H
Mermerkaya, H
Ralich, R
Vodopiyanov, I
Adams, MR
Anghel, IM
Apanasevich, L
Bazterra, VE
Betts, RR
Callner, J
Cavanaugh, R
Dragoiu, C
Garcia-Solis, EJ
Gerber, CE
Hofman, DJ
Khalatian, S
Mironov, C
Shabalina, E
Smoron, A
Varelas, N
Akgun, U
Albayrak, EA
Bilki, B
Cankocak, K
Chung, K
Clarida, W
Duru, F
Lae, CK
McCliment, E
Merlo, JP
Mestvirishvili, A
Moeller, A
Nachtman, J
Newsom, CR
Norbeck, E
Olson, J
Onel, Y
Ozok, F
Sen, S
Wetzel, J
Yetkin, T
Yi, K
Barnett, BA
Blumenfeld, B
Bonato, A
Eskew, C
Fehling, D
Giurgiu, G
Gritsan, AV
Guo, ZJ
Hu, G
Maksimovic, P
Rappoccio, S
Swartz, M
Tran, NV
Baringer, P
Bean, A
Benelli, G
Grachov, O
Murray, M
Radicci, V
Sanders, S
Wood, JS
Zhukova, V
Bandurin, D
Barfuss, AF
Bolton, T
Chakaberia, I
Kaadze, K
Maravin, Y
Shrestha, S
Svintradze, I
Wan, Z
Gronberg, J
Lange, D
Wright, D
Baden, D
Boutemeur, M
Eno, SC
Ferencek, D
Hadley, NJ
Kellogg, RG
Kirn, M
Rossato, K
Rumerio, P
Santanastasio, F
Skuja, A
Temple, J
Tonjes, MB
Tonwar, SC
Twedt, E
Alver, B
Bauer, G
Bendavid, J
Busza, W
Butz, E
Cali, IA
Chan, M
D'Enterria, D
Everaerts, P
Ceballos, GG
Goncharov, M
Hahn, KA
Harris, P
Kim, Y
Klute, M
Lee, YJ
Li, W
Loizides, C
Luckey, PD
Ma, T
Nahn, S
Paus, C
Roland, C
Roland, G
Rudolph, M
Stephans, GSF
Sumorok, K
Sung, K
Wenger, EA
Wyslouch, B
Xie, S
Yilmaz, Y
Yoon, AS
Zanetti, M
Cole, P
Cooper, SI
Cushman, P
Dahmes, B
De Benedetti, A
Dudero, PR
Franzoni, G
Haupt, J
Klapoetke, K
Kubota, Y
Mans, J
Petyt, D
Rekovic, V
Rusack, R
Sasseville, M
Cremaldi, LM
Godang, R
Kroeger, R
Perera, L
Rahmat, R
Sanders, DA
Sonnek, P
Summers, D
Bloom, K
Bose, S
Butt, J
Claes, DR
Dominguez, A
Eads, M
Keller, J
Kelly, T
Kravchenko, I
Lazo-Flores, J
Lundstedt, C
Malbouisson, H
Malik, S
Snow, GR
Baur, U
Iashvili, I
Kharchilava, A
Kumar, A
Smith, K
Strang, M
Alverson, G
Barberis, E
Baumgartel, D
Boeriu, O
Reucroft, S
Swain, J
Wood, D
Anastassov, A
Kubik, A
Ofierzynski, RA
Pozdnyakov, A
Schmitt, M
Stoynev, S
Velasco, M
Won, S
Antonelli, L
Berry, D
Hildreth, M
Jessop, C
Karmgard, DJ
Kolb, J
Kolberg, T
Lannon, K
Lynch, S
Marinelli, N
Morse, DM
Ruchti, R
Valls, N
Warchol, J
Wayne, M
Ziegler, J
Bylsma, B
Durkin, LS
Gu, J
Killewald, P
Ling, TY
Williams, G
Adam, N
Berry, E
Elmer, P
Gerbaudo, D
Halyo, V
Hunt, A
Jones, J
Laird, E
Pegna, DL
Marlow, D
Medvedeva, T
Mooney, M
Olsen, J
Piroue, P
Stickland, D
Tully, C
Werner, JS
Zuranski, A
Acosta, JG
Huang, XT
Lopez, A
Mendez, H
Oliveros, S
Vargas, JER
Zatzerklyaniy, A
Alagoz, E
Barnes, VE
Bolla, G
Borrello, L
Bortoletto, D
Everett, A
Garfinkel, AF
Gecse, Z
Gutay, L
Jones, M
Koybasi, O
Laasanen, AT
Leonardo, N
Liu, C
Maroussov, V
Merkel, P
Miller, DH
Neumeister, N
Potamianos, K
Sedov, A
Shipsey, I
Silvers, D
Yoo, HD
Zheng, Y
Jindal, P
Parashar, N
Cuplov, V
Ecklund, KM
Geurts, FJM
Liu, JH
Matveev, M
Morales, J
Padley, BP
Redjimi, R
Roberts, J
Betchart, B
Bodek, A
Chung, YS
de Barbaro, P
Demina, R
Flacher, H
Garcia-Bellido, A
Gotra, Y
Han, J
Harel, A
Korjenevski, S
Miner, DC
Orbaker, D
Petrillo, G
Vishnevskiy, D
Zielinski, M
Bhatti, A
Demortier, L
Goulianos, K
Hatakeyama, K
Lungu, G
Mesropian, C
Yan, M
Atramentov, O
Gershtein, Y
Halkiadakis, E
Hits, D
Lath, A
Rose, K
Schnetzer, S
Somalwar, S
Stone, R
Thomas, S
Cerizza, G
Hollingsworth, M
Spanier, S
Yang, ZC
York, A
Asaadi, J
Eusebi, R
Gilmore, J
Gurrola, A
Kamon, T
Khotilovich, V
Nguyen, CN
Pivarski, J
Safonov, A
Sengupta, S
Toback, D
Weinberger, M
Akchurin, N
Jeong, C
Lee, SW
Roh, Y
Sill, A
Volobouev, I
Wigmans, R
Yazgan, E
Brownson, E
Engh, D
Florez, C
Johns, W
Kurt, P
Sheldon, P
Arenton, MW
Balazs, M
Buehler, M
Conetti, S
Cox, B
Hirosky, R
Ledovskoy, A
Neu, C
Yohay, R
Gollapinni, S
Gunthoti, K
Harr, R
Karchin, PE
Mattson, M
Anderson, M
Bachtis, M
Bellinger, JN
Carlsmith, D
Dasu, S
Efron, J
Flood, K
Gray, L
Grogg, KS
Grothe, M
Hall-Wilton, R
Klabbers, P
Klukas, J
Lanaro, A
Lazaridis, C
Leonard, J
Lomidze, D
Loveless, R
Mohapatra, A
Reeder, D
Savin, A
Smith, WH
Swanson, J
Weinberg, M
AF Khachatryan, V.
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Bergauer, T.
Dragicevic, M.
Ero, J.
Friedl, M.
Fruehwirth, R.
Ghete, V. M.
Hammer, J.
Haensel, S.
Hoch, M.
Hoermann, N.
Hrubec, J.
Jeitler, M.
Kasieczka, G.
Krammer, M.
Liko, D.
Mikulec, I.
Pernicka, M.
Rohringer, H.
Schoefbeck, R.
Strauss, J.
Taurok, A.
Teischinger, F.
Waltenberger, W.
Walzel, G.
Widl, E.
Wulz, C. -E.
Mossolov, V.
Shumeiko, N.
Gonzalez, J. Suarez
Benucci, L.
De Wolf, E. A.
Hashemi, M.
Janssen, X.
Maes, T.
Mucibello, L.
Ochesanu, S.
Rougny, R.
Selvaggi, M.
Van Haevermaet, H.
Van Mechelen, P.
Van Remortel, N.
Adler, V.
Beauceron, S.
D'Hondt, J.
Devroede, O.
Kalogeropoulos, A.
Maes, J.
Mozer, M. U.
Tavernier, S.
Van Doninck, W.
Van Mulders, P.
Villella, I.
Chabert, E. C.
Charaf, O.
Clerbaux, B.
De Lentdecker, G.
Dero, V.
Gay, A. P. R.
Hammad, G. H.
Marage, P. E.
Vander Velde, C.
Vanlaer, P.
Wickens, J.
Grunewald, M.
Klein, B.
Marinov, A.
Ryckbosch, D.
Thyssen, F.
Tytgat, M.
Vanelderen, L.
Verwilligen, P.
Walsh, S.
Basegmez, S.
Bruno, G.
Caudron, J.
Gil, E. Cortina
De Jeneret, J. De Favereau
Delaere, C.
Demin, P.
Favart, D.
Giammanco, A.
Gregoire, G.
Hollar, J.
Lemaitre, V.
Maltoni, F.
Militaru, O.
Ovyn, S.
Piotrzkowski, K.
Quertenmont, L.
Schul, N.
Beliy, N.
Caebergs, T.
Daubie, E.
Herquet, P.
Alves, G. A.
Pol, M. E.
Souza, M. H. G.
Carvalho, W.
Da Costa, E. M.
Damiao, D. De Jesus
Martins, C. De Oliveira
De Souza, S. Fonseca
Mundim, L.
Oguri, V.
Santoro, A.
Silva Do Amaral, S. M.
Sznajder, A.
Da Silva De Araujo, F. Torres
Dias, F. A.
Dias, M. A. F.
Tomei, T. R. Fernandez Perez
Gregores, E. M.
Marinho, F.
Novaes, S. F.
Padula, Sandra S.
Damgov, J.
Darmenov, N.
Dimitrov, L.
Genchev, V.
Iaydjiev, P.
Piperov, S.
Stoykova, S.
Sultanov, G.
Trayanov, R.
Vankov, I.
Hadjiiska, R.
Kozhuharov, V.
Litov, L.
Mateev, M.
Pavlov, B.
Petkov, P.
Chen, G. M.
Chen, H. S.
Jiang, C. H.
Liang, D.
Liang, S.
Meng, X.
Tao, J.
Wang, J.
Wang, J.
Wang, X.
Wang, Z.
Zang, J.
Zhang, Z.
Ban, Y.
Guo, S.
Hu, Z.
Mao, Y.
Qian, S. J.
Teng, H.
Zhu, B.
Carrillo Montoya, C. A.
Gomez Moreno, B.
Ocampo Rios, A. A.
Sanabria, J. C.
Godinovic, N.
Lelas, K.
Plestina, R.
Polic, D.
Puljak, I.
Antunovic, Z.
Dzelalija, M.
Brigljevic, V.
Duric, S.
Kadija, K.
Morovic, S.
Attikis, A.
Fereos, R.
Galanti, M.
Mousa, J.
Papadakis, A.
Ptochos, F.
Razis, P. A.
Tsiakkouri, D.
Zinonos, Z.
Hektor, A.
Kadastik, M.
Kannike, K.
Muentel, M.
Raidal, M.
Rebane, L.
Eerola, P.
Czellar, S.
Harkonen, J.
Heikkinen, A.
Karimaki, V.
Kinnunen, R.
Klem, J.
Kortelainen, M. J.
Lampen, T.
Lassila-Perini, K.
Lehti, S.
Linden, T.
Luukka, P.
Macnpaa, T.
Tuominen, E.
Tuominiemi, J.
Tuovinen, E.
Ungaro, D.
Wendland, L.
Banzuzi, K.
Korpela, A.
Tuuva, T.
Sillou, D.
Besancon, M.
Dejardin, M.
Denegri, D.
Descamps, J.
Fabbro, B.
Faure, J. L.
Ferri, F.
Ganjour, S.
Gentit, F. X.
Givernaud, A.
Gras, P.
de Monchenault, G. Hamel
Jarry, P.
Locci, E.
Malcles, J.
Marionneau, M.
Millischer, L.
Rander, J.
Rosowsky, A.
Rousseau, D.
Titov, M.
Verrecchia, P.
Baffioni, S.
Bianchini, L.
Broutin, C.
Busson, P.
Charlot, C.
Dobrzynski, L.
Elgammal, S.
de Cassagnac, R. Granier
Haguenauer, M.
Mine, P.
Paganini, P.
Sirois, Y.
Thiebaux, C.
Zabi, A.
Agram, J. -L.
Besson, A.
Bloch, D.
Bodin, D.
Brom, J. -M.
Cardaci, M.
Conte, E.
Drouhin, F.
Ferro, C.
Fontaine, J. -C.
Gele, D.
Goerlach, U.
Greder, S.
Juillot, P.
Le Bihan, A. -C.
Mikami, Y.
Ripp-Baudot, I.
Speck, J.
Van Hove, P.
Baty, C.
Bedjidian, M.
Bondu, O.
Boudoul, G.
Boumediene, D.
Brun, H.
Chanon, N.
Chierici, R.
Contardo, D.
Depasse, P.
El Mamouni, H.
Fassi, F.
Fay, J.
Gascon, S.
Ille, B.
Kurca, T.
Le Grand, T.
Lethuillier, M.
Mirabito, L.
Perries, S.
Tosi, S.
Tschudi, Y.
Verdier, P.
Xiao, H.
Roinishvili, V.
Anagnostou, G.
Edelhoff, M.
Feld, L.
Heracleous, N.
Hindrichs, O.
Jussen, R.
Klein, K.
Merz, J.
Mohr, N.
Ostapchuk, A.
Pandoulas, D.
Perieanu, A.
Raupach, F.
Sammet, J.
Schael, S.
Sprenger, D.
Weber, H.
Weber, M.
Wittmer, B.
Actis, O.
Bender, W.
Biallass, P.
Erdmann, M.
Frangenheim, J.
Hebbeker, T.
Hinzmann, A.
Hoepfner, K.
Hof, C.
Kirsch, M.
Klimkovich, T.
Kreuzer, P.
Lanske, D.
Merschmeyer, M.
Meyer, A.
Pieta, H.
Reithler, H.
Schmitz, S. A.
Sowa, M.
Steggemann, J.
Teyssier, D.
Zeidler, C.
Bontenackels, M.
Davids, M.
Duda, M.
Fluegge, G.
Geenen, H.
Giffels, M.
Ahmad, W. Haj
Heydhausen, D.
Kress, T.
Kuessel, Y.
Linn, A.
Nowack, A.
Perchalla, L.
Pooth, O.
Sauerland, P.
Stahl, A.
Thomas, M.
Tornier, D.
Zoeller, M. H.
Martin, M. Aldaya
Behrens, U.
Borras, K.
Campbell, A.
Castro, E.
Dammann, D.
Eckerlin, G.
Flossdorf, A.
Flucke, G.
Geiser, A.
Hauk, J.
Jung, H.
Kasemann, M.
Katkov, I.
Kleinwort, C.
Kluge, H.
Knutsson, A.
Kuznetsova, E.
Lange, W.
Lohmann, W.
Mankel, R.
Marienfeld, M.
Meyer, A. B.
Mnich, J.
Olzem, J.
Parenti, A.
Schmidt, R.
Schoerner-Sadenius, T.
Sen, N.
Stein, M.
Volyanskyy, D.
Wissing, C.
Autermann, C.
Draeger, J.
Eckstein, D.
Enderle, H.
Gebbert, U.
Kaschube, K.
Kaussen, G.
Klanner, R.
Mura, B.
Naumann-Emme, S.
Nowak, F.
Sander, C.
Schleper, P.
Schroeder, M.
Schum, T.
Stadie, H.
Steinbrueck, G.
Thomsen, J.
Wolf, R.
Bauer, J.
Bluem, P.
Buege, V.
Cakir, A.
Chwalek, T.
Daeuwel, D.
De Boer, W.
Dierlamm, A.
Dirkes, G.
Feindt, M.
Frey, M.
Gruschke, J.
Hackstein, C.
Hartmann, F.
Heinrich, M.
Hoffmann, K. H.
Honc, S.
Kuhr, T.
Martschei, D.
Mueller, S.
Mueller, Th.
Niegel, M.
Oberst, O.
Oehler, A.
Ott, J.
Peiffer, T.
Piparo, D.
Quast, G.
Rabbertz, K.
Renz, M.
Sabellek, A.
Saout, C.
Scheurer, A.
Schieferdecker, P.
Schilling, F. -P.
Schott, G.
Simonis, H. J.
Stober, F. M.
Wagner-Kuhr, J.
Zeise, M.
Zhukov, V.
Ziebarth, E. B.
Daskalakis, G.
Geralis, T.
Karafasoulis, K.
Kyriakis, A.
Loukas, D.
Markou, A.
Markou, C.
Mavrommatis, C.
Petrakou, E.
Zachariadou, A.
Agapitos, A.
Gouskos, L.
Katsas, P.
Panagiotou, A.
Saganis, K.
Xaxiris, E.
Evangelou, I.
Kokkas, P.
Manthos, N.
Papadopoulos, I.
Triantis, F. A.
Aranyi, A.
Bencze, G.
Boldizsar, L.
Debreczeni, G.
Hajdu, C.
Horvath, D.
Kapusi, A.
Krajczar, K.
Laszlo, A.
Sikler, F.
Vesztergombi, G.
Beni, N.
Molnar, J.
Palinkas, J.
Szillasi, Z.
Veszpremi, V.
Raics, P.
Trocsanyi, Z. L.
Ujvari, B.
Bansal, S.
Beri, S. B.
Bhatnagar, V.
Jindal, M.
Kaur, M.
Kohli, J. M.
Mehta, M. Z.
Nishu, N.
Saini, L. K.
Sharma, A.
Sharma, R.
Singh, A. P.
Singh, J. B.
Singh, S. P.
Ahuja, S.
Bhattacharya, S.
Chauhan, S.
Choudhary, B. C.
Gupta, P.
Jain, S.
Jain, S.
Kumar, A.
Ranjan, K.
Shivpuri, R. K.
Choudhury, R. K.
Dutta, D.
Kailas, S.
Kataria, S. K.
Mohanty, A. K.
Pant, L. M.
Shukla, P.
Suggisetti, P.
Aziz, T.
Guchait, M.
Gurtu, A.
Maity, M.
Majumder, D.
Majumder, G.
Mazumdar, K.
Nayak, A.
Saha, A.
Sudhakar, K.
Wickramage, N.
Banerjee, S.
Dugad, S.
Mondal, N. K.
Arfaei, H.
Bakhshiansohi, H.
Fahim, A.
Jafari, A.
Najafabadi, M. Mohammadi
Moshaii, A.
Mehdiabadi, S. Paktinat
Zeinali, M.
Felcini, M.
Abbrescia, M.
Barbone, L.
Colaleo, A.
Creanza, D.
De Filippis, N.
De Palma, M.
Dimitrov, A.
Fedele, F.
Fiore, L.
Iaselli, G.
Lusito, L.
Maggi, G.
Maggi, M.
Manna, N.
Marangelli, B.
My, S.
Nuzzo, S.
Pierro, G. A.
Polese, G.
Pompili, A.
Pugliese, G.
Romano, F.
Roselli, G.
Selvaggi, G.
Silvestris, L.
Tupputi, S.
Zito, G.
Abbiendi, G.
Bonacorsi, D.
Braibant-Giacomelli, S.
Capiluppi, P.
Cavallo, F. R.
Codispoti, G.
Cuffiani, M.
Dallavalle, G. M.
Fabbri, F.
Fanfani, A.
Fasanella, D.
Giacomelli, P.
Giunta, M.
Grandi, C.
Marcellini, S.
Masetti, G.
Montanari, A.
Navarria, F. L.
Odorici, F.
Perrotta, A.
Rossi, A. M.
Rovelli, T.
Siroli, G.
Travaglini, R.
Albergo, S.
Chiorboli, M.
Costa, S.
Potenza, R.
Tricomi, A.
Tuve, C.
Barbagli, G.
Broccolo, G.
Ciulli, V.
Civinini, C.
D'Alessandro, R.
Focardi, E.
Frosali, S.
Gallo, E.
Genta, C.
Landi, G.
Lenzi, P.
Meschini, M.
Paoletti, S.
Sguazzoni, G.
Tropiano, A.
Bianco, S.
Colafranceschi, S.
Fabbri, F.
Piccolo, D.
Fabbricatore, P.
Musenich, R.
Benaglia, A.
Cerati, G. B.
De Guio, F.
Ghezzi, A.
Govoni, P.
Malberti, M.
Malvezzi, S.
Martelli, A.
Menasce, D.
Miccio, V.
Moroni, L.
Negri, P.
Paganoni, M.
Pedrini, D.
Pullia, A.
Ragazzi, S.
Redaelli, N.
Sala, S.
Salerno, R.
Tabarelli de Fatis, T.
Tancini, V.
Taroni, S.
Cimmino, A.
De Gruttola, M.
Fabozzi, F.
Iorio, A. O. M.
Lista, L.
Noli, P.
Paolucci, P.
Azzi, P.
Bacchetta, N.
Bellan, P.
Biasotto, M.
Carlin, R.
Checchia, P.
De Mattia, M.
Dorigo, T.
Fanzago, F.
Gasparini, F.
Giubilato, P.
Gonella, F.
Gresele, A.
Gulmini, M.
Lacaprara, S.
Lazzizzera, I.
Maron, G.
Mattiazzo, S.
Meneguzzo, A. T.
Passaseo, M.
Pegoraro, M.
Pozzobon, N.
Ronchese, P.
Torassa, E.
Tosi, M.
Vanini, S.
Ventura, S.
Zotto, P.
Baesso, P.
Berzano, U.
Pagano, D.
Ratti, S. P.
Riccardi, C.
Torre, P.
Vitulo, P.
Viviani, C.
Biasini, M.
Bilei, G. M.
Caponeri, B.
Fano, L.
Lariccia, P.
Lucaroni, A.
Mantovani, G.
Nappi, A.
Santocchia, A.
Servoli, L.
Volpe, R.
Azzurri, P.
Bagliesi, G.
Bernardini, J.
Boccali, T.
Bocci, A.
Castaldi, R.
Dell'Orso, R.
Dutta, S.
Fiori, F.
Foa, L.
Gennai, S.
Giassi, A.
Kraan, A.
Ligabue, F.
Lomtadze, T.
Martini, L.
Messineo, A.
Palla, F.
Palmonari, F.
Sarkar, S.
Segneri, G.
Serban, A. T.
Spagnolo, P.
Tenchini, R.
Tonelli, G.
Venturi, A.
Verdini, P. G.
Barone, L.
Cavallari, F.
Del Re, D.
Di Marco, E.
Diemoz, M.
Franci, D.
Grassi, M.
Longo, E.
Organtini, G.
Palma, A.
Pandolfi, F.
Paramatti, R.
Rahatlou, S.
Rovelli, C.
Amapane, N.
Arcidiacono, R.
Argiro, S.
Arneodo, M.
Biino, C.
Borgia, M. A.
Botta, C.
Cartiglia, N.
Castello, R.
Costa, M.
Dellacasa, G.
Demaria, N.
Graziano, A.
Mariotti, C.
Marone, M.
Maselli, S.
Migliore, E.
Mila, G.
Monaco, V.
Musich, M.
Obertino, M. M.
Pastrone, N.
Romero, A.
Ruspa, M.
Sacchi, R.
Solano, A.
Staiano, A.
Trocino, D.
Pereira, A. Vilela
Ambroglini, F.
Belforte, S.
Cossutti, F.
Della Ricca, G.
Gobbo, B.
Penzo, A.
Chang, S.
Chung, J.
Kim, D. H.
Kim, G. N.
Kong, D. J.
Park, H.
Son, D. C.
Kim, Zero
Song, S.
Jung, S. Y.
Hong, B.
Kim, H.
Kim, J. H.
Lee, K. S.
Moon, D. H.
Park, S. K.
Rhee, H. B.
Sim, K. S.
Kim, J.
Choi, M.
Park, I. C.
Choi, S.
Choi, Y.
Choi, Y. K.
Goh, J.
Jo, Y.
Kwon, J.
Lee, J.
Lee, S.
Janulis, M.
Martisiute, D.
Petrov, P.
Sabonis, T.
Castilla Valdez, H.
Sanchez Hernandez, A.
Carrillo Moreno, S.
Salazar Ibarguen, H. A.
Casimiro Linares, E.
Morelos Pineda, A.
Allfrey, P.
Krofcheck, D.
Aumeyr, T.
Butler, P. H.
Signal, T.
Williams, J. C.
Ahmad, M.
Ahmed, I.
Asghar, M. I.
Hoorani, H. R.
Khan, W. A.
Khurshid, T.
Qazi, S.
Cwiok, M.
Dominik, W.
Doroba, K.
Konecki, M.
Krolikowski, J.
Frueboes, T.
Gokieli, R.
Gorski, M.
Kazana, M.
Nawrocki, K.
Szleper, M.
Wrochna, G.
Zalewski, P.
Almeida, N.
Bargassa, P.
David, A.
Faccioli, P.
Ferreira Parracho, P. G.
Gallinaro, M.
Musella, P.
Ribeiro, P. Q.
Seixas, J.
Silva, P.
Varela, J.
Woehri, H. K.
Altsybeev, I.
Belotelov, I.
Bunin, P.
Finger, M.
Finger, M., Jr.
Golutvin, I.
Kamenev, A.
Karjavin, V.
Kozlov, G.
Lanev, A.
Moisenz, P.
Palichik, V.
Perelygin, V.
Shmatov, S.
Smirnov, V.
Vishnevskiy, A.
Volodko, A.
Zarubin, A.
Ivanov, Y.
Kim, V.
Levchenko, P.
Obrant, G.
Shcheglov, Y.
Shchetkovskiy, A.
Smirnov, I.
Sulimov, V.
Vavilov, S.
Vorobyev, A.
Andreev, Yu.
Gninenko, S.
Golubev, N.
Karneyeu, A.
Kirsanov, M.
Krasnikov, N.
Matveev, V.
Pashenkov, A.
Toropin, A.
Troitsky, S.
Epshteyn, V.
Gavrilov, V.
Ilina, N.
Kaftanov, V.
Kossov, M.
Krokhotin, A.
Kuleshov, S.
Oulianov, A.
Safronov, G.
Semenov, S.
Shreyber, I.
Stolin, V.
Vlasov, E.
Zhokin, A.
Boos, E.
Dubinin, M.
Dudko, L.
Ershov, A.
Gribushin, A.
Kodolova, O.
Lokhtin, I.
Petrushanko, S.
Sarycheva, L.
Savrin, V.
Vardanyan, I.
Dremin, I.
Kirakosyan, M.
Konovalova, N.
Rusakov, S. V.
Vinogradov, A.
Azhgirey, I.
Bitioukov, S.
Datsko, K.
Kachanov, V.
Konstantinov, D.
Krychkine, V.
Petrov, V.
Ryutin, R.
Slabospitsky, S.
Sobol, A.
Sytine, A.
Tourtchanovitch, L.
Troshin, S.
Tyurin, N.
Uzunian, A.
Volkov, A.
Adzic, P.
Djordjevic, M.
Maletic, D.
Puzovic, J.
Aguilar-Benitez, M.
Alcaraz Maestre, J.
Arce, P.
Battilana, C.
Calvo, E.
Cepeda, M.
Cerrada, M.
Chamizo Llatas, M.
Colino, N.
De la Cruz, B.
Diez Pardos, C.
Fernandez Bedoya, C.
Fernandez Ramos, J. P.
Ferrando, A.
Flix, J.
Fouz, M. C.
Garcia-Abia, P.
Gonzalez Lopez, O.
Goy Lopez, S.
Hernandez, J. M.
Josa, M. I.
Merino, G.
Puerta Pelayo, J.
Romero, L.
Santaolalla, J.
Willmott, C.
Albajar, C.
De Troconiz, J. F.
Cuevas, J.
Fernandez Menendez, J.
Gonzalez Caballero, I.
Lloret Iglesias, L.
Vizan Garcia, J. M.
Cabrillo, I. J.
Calderon, A.
Chuang, S. H.
Diaz Merino, I.
Diez Gonzalez, C.
Duarte Campderros, J.
Fernandez, M.
Gomez, G.
Gonzalez Sanchez, J.
Gonzalez Suarez, R.
Jorda, C.
Lobelle Pardo, P.
Lopez Virto, A.
Marco, J.
Marco, R.
Martinez Rivero, C.
Martinez Ruiz del Arbol, P.
Matorras, F.
Rodrigo, T.
Ruiz Jimeno, A.
Scodellaro, L.
Sobron Sanudo, M.
Vila, I.
Vilar Cortabitarte, R.
Abbaneo, D.
Auffray, E.
Baillon, P.
Ball, A. H.
Barney, D.
Beaudette, F.
Beccati, B.
Bell, A. J.
Bellan, R.
Benedetti, D.
Bernet, C.
Bialas, W.
Bloch, P.
Bolognesi, S.
Bona, M.
Breuker, H.
Bunkowski, K.
Camporesi, T.
Cano, E.
Cattai, A.
Cerminara, G.
Christiansen, T.
Coarasa Perez, J. A.
Covarelli, R.
Cure, B.
Dahms, T.
De Roeck, A.
Elliott-Peisert, A.
Funk, W.
Gaddi, A.
Gerwig, H.
Gigi, D.
Gill, K.
Giordano, D.
Glege, F.
Gowdy, S.
Guiducci, L.
Gutleber, J.
Hartl, C.
Harvey, J.
Hegner, B.
Henderson, C.
Hoffmann, H. F.
Honma, A.
Huhtinen, M.
Innocente, V.
Janot, P.
Lecoq, P.
Leonidopoulos, C.
Lourenco, C.
Macpherson, A.
Maeki, T.
Malgeri, L.
Mannelli, M.
Masetti, L.
Meijers, F.
Meridiani, P.
Mersi, S.
Meschi, E.
Moser, R.
Mulders, M.
Noy, M.
Orimoto, T.
Orsini, L.
Perez, E.
Petrilli, A.
Pfeiffer, A.
Pierini, M.
Pimiae, M.
Racz, A.
Rolandi, G.
Rovere, M.
Ryjov, V.
Sakulin, H.
Schaefer, C.
Schlatter, W. D.
Schwick, C.
Segoni, I.
Sharma, A.
Siegrist, P.
Simon, M.
Sphicas, P.
Spiga, D.
Spiropulu, M.
Stoeckli, F.
Traczyk, P.
Tropea, P.
Tsirou, A.
Veres, G. I.
Vichoudis, P.
Voutilainen, M.
Zeuner, W. D.
Bertl, W.
Deiters, K.
Erdmann, W.
Gabathuler, K.
Horisberger, R.
Ingram, Q.
Kaestli, H. C.
Koenig, S.
Kotlinski, D.
Langenegger, U.
Meier, F.
Renker, D.
Rohe, T.
Sibille, J.
Starodumov, A.
Caminada, L.
Casella, M. C.
Chen, Z.
Cittolin, S.
Dambach, S.
Dissertori, G.
Dittmar, M.
Eggel, C.
Eugster, J.
Eugster, J.
Freudenreich, K.
Grab, C.
Herve, A.
Hintz, W.
Lecomte, P.
Lustermann, W.
Marchica, C.
Milenovic, P.
Moortgat, F.
Nardulli, A.
Nessi-Tedaldi, F.
Pape, L.
Pauss, F.
Punz, T.
Rizzi, A.
Ronga, F. J.
Sala, L.
Sanchez, A. K.
Sawley, M. -C.
Schinzel, D.
Sordini, V.
Stieger, B.
Tauscher, L.
Thea, A.
Theofilatos, K.
Treille, D.
Trueb, P.
Weber, M.
Wehrli, L.
Weng, J.
Amsler, C.
Chiochia, V.
De Visscher, S.
Rikova, M. Ivova
Regenfus, C.
Robmann, P.
Rommerskirchen, T.
Schmidt, A.
Snoek, H.
Tsirigkas, D.
Wilke, L.
Chang, Y. H.
Chen, E. A.
Chen, W. T.
Go, A.
Kuo, C. M.
Li, S. W.
Lin, W.
Liu, M. H.
Wu, J. H.
Bartalini, P.
Chang, P.
Chang, Y. H.
Chao, Y.
Chen, K. F.
Hou, W. -S.
Hsiung, Y.
Lei, Y. J.
Lin, S. W.
Lu, R. -S.
Shiu, J. G.
Tzeng, Y. M.
Ueno, K.
Wang, C. C.
Wang, M.
Adiguzel, A.
Ayhan, A.
Bakirci, M. N.
Cerci, S.
Demir, Z.
Dozen, C.
Dumanoglu, I.
Eskut, E.
Girgis, S.
Gurpinar, E.
Karaman, T.
Topaksu, A. Kayis
Onengut, G.
Ozdemir, K.
Ozturk, S.
Polatoz, A.
Sahin, O.
Sengul, O.
Sogut, K.
Tali, B.
Topakli, H.
Uzun, D.
Vergili, L. N.
Vergili, M.
Akin, I. V.
Aliev, T.
Bilmis, S.
Deniz, M.
Gamsizkan, H.
Guler, A. M.
Ocalan, K.
Serin, M.
Sever, R.
Surat, U. E.
Zeyrek, M.
Deliomeroglu, M.
Demir, D.
Gulmez, E.
Halu, A.
Isildak, B.
Kaya, M.
Kaya, O.
Ozkorucuklu, S.
Sonmez, N.
Levchuk, L.
Bell, P.
Bostock, F.
Brooke, J. J.
Cheng, T. L.
Cussans, D.
Frazier, R.
Goldstein, J.
Hansen, M.
Heath, G. P.
Heath, H. F.
Hill, C.
Huckvale, B.
Jackson, J.
Kreczko, L.
Mackay, C. K.
Metson, S.
Newbold, D. M.
Nirunpong, K.
Smith, V. J.
Ward, S.
Basso, L.
Bell, K. W.
Brew, C.
Brown, R. M.
Camanzi, B.
Cockerill, D. J. A.
Coughlan, J. A.
Harder, K.
Harper, S.
Kennedy, B. W.
Shepherd-Themistocleous, C. H.
Tomalin, I. R.
Womersley, W. J.
Worm, S. D.
Bainbridge, R.
Ball, G.
Ballin, J.
Beuselinck, R.
Buchmuller, O.
Colling, D.
Cripps, N.
Davies, G.
Della Negra, M.
Foudas, C.
Fulcher, J.
Futyan, D.
Hall, G.
Hays, J.
Iles, G.
Karapostoli, G.
Lyons, L.
MacEvoy, B. C.
Magnan, A. -M.
Marrouche, J.
Nash, J.
Nikitenko, A.
Papageorgiou, A.
Pesaresi, M.
Petridis, K.
Pioppi, M.
Raymond, D. M.
Rompotis, N.
Rose, A.
Ryan, M. J.
Seez, C.
Sharp, P.
Stoye, M.
Tapper, A.
Tourneur, S.
Acosta, M. Vazquez
Virdee, T.
Wakefield, S.
Wardrope, D.
Whyntie, T.
Barrett, M.
Chadwick, M.
Cole, J. E.
Hobson, P. R.
Khan, A.
Kyberd, P.
Leslie, D.
Reid, I. D.
Teodorescu, L.
Bose, T.
Clough, A.
Heister, A.
John, J. St.
Lawson, P.
Lazic, D.
Rohlf, J.
Sulak, L.
Andrea, J.
Avetisyan, A.
Bhattacharya, S.
Chou, J. P.
Cutts, D.
Esen, S.
Kukartsev, G.
Landsberg, G.
Narain, M.
Nguyen, D.
Speer, T.
Tsang, K. V.
Breedon, R.
De la Barca Sanchez, M. Calderon
Cebra, D.
Chertok, M.
Conway, J.
Cox, P. T.
Dolen, J.
Erbacher, R.
Friis, E.
Ko, W.
Kopecky, A.
Lander, R.
Liu, H.
Maruyama, S.
Miceli, T.
Nikolic, M.
Pellett, D.
Robles, J.
Searle, M.
Smith, J.
Squires, M.
Tripathi, M.
Sierra, R. Vasquez
Veelken, C.
Andreev, V.
Arisaka, K.
Cline, D.
Cousins, R.
Erhan, S.
Farrell, C.
Hauser, J.
Ignatenko, M.
Jarvis, C.
Rakness, G.
Schlein, P.
Tucker, J.
Valuev, V.
Wallny, R.
Babb, J.
Chandra, A.
Clare, R.
Ellison, J. A.
Gary, J. W.
Hanson, G.
Jeng, G. Y.
Kao, S. C.
Liu, F.
Liu, H.
Luthra, A.
Nguyen, H.
Shen, B. C.
Stringer, R.
Sturdy, J.
Wilken, R.
Wimpenny, S.
Andrews, W.
Branson, J. G.
Dusinberre, E.
Evans, D.
Golf, F.
Holzner, A.
Kelley, R.
Lebourgeois, M.
Letts, J.
Mangano, B.
Muelmenstaedt, J.
Norman, M.
Padhi, S.
Petrucciani, G.
Pi, H.
Pieri, M.
Ranieri, R.
Sani, M.
Sharma, V.
Simon, S.
Vartak, A.
Wuerthwein, F.
Yagil, A.
Barge, D.
Blume, M.
Campagnari, C.
D'Alfonso, M.
Danielson, T.
Garberson, J.
Incandela, J.
Justus, C.
Kalavase, P.
Koay, S. A.
Kovalskyi, D.
Krutelyov, V.
Lamb, J.
Lowette, S.
Pavlunin, V.
Rebassoo, F.
Ribnik, J.
Richman, J.
Rossin, R.
Stuart, D.
To, W.
Vlimant, J. R.
Witherell, M.
Apresyan, A.
Bornheim, A.
Bunn, J.
Gataullin, M.
Litvine, V.
Ma, Y.
Newman, H. B.
Rogan, C.
Timciuc, V.
Veverka, J.
Wilkinson, R.
Yang, Y.
Zhu, R. Y.
Akgun, B.
Carroll, R.
Ferguson, T.
Jang, D. W.
Jun, S. Y.
Paulini, M.
Russ, J.
Terentyev, N.
Vogel, H.
Vorobiev, I.
Cumalat, J. P.
Dinardo, M. E.
Drell, B. R.
Ford, W. T.
Heyburn, B.
Luiggi Lopez, E.
Nauenberg, U.
Stenson, K.
Ulmer, K.
Wagner, S. R.
Zang, S. L.
Agostino, L.
Alexander, J.
Blekman, F.
Cassel, D.
Chatterjee, A.
Das, S.
Eggert, N.
Gibbons, L. K.
Heltsley, B.
Hopkins, W.
Khukhunaishvili, A.
Kreis, B.
Patterson, J. R.
Puigh, D.
Ryd, A.
Shi, X.
Sun, W.
Teo, W. D.
Thom, J.
Vaughan, J.
Weng, Y.
Wittich, P.
Biselli, A.
Cirino, G.
Winn, D.
Albrow, M.
Apollinari, G.
Atac, M.
Bakken, J. A.
Banerjee, S.
Bauerdick, L. A. T.
Beretvas, A.
Berryhill, J.
Bhat, P. C.
Binkley, M.
Bloch, I.
Borcherding, F.
Burkett, K.
Butler, J. N.
Chetluru, V.
Cheung, H. W. K.
Chlebana, F.
Cihangir, S.
Demarteau, M.
Eartly, D. P.
Elvira, V. D.
Fisk, I.
Freeman, J.
Gottschalk, E.
Green, D.
Gutsche, O.
Hahn, A.
Hanlon, J.
Harris, R. M.
James, E.
Jensen, H.
Johnson, M.
Joshi, U.
Klima, B.
Kousouris, K.
Kunori, S.
Kwan, S.
Limon, P.
Lueking, L.
Lykken, J.
Maeshima, K.
Marraffino, J. M.
Mason, D.
McBride, P.
McCauley, T.
Miao, T.
Mishra, K.
Mrenna, S.
Musienko, Y.
Newman-Holmes, C.
O'Dell, V.
Popescu, S.
Prokofyev, O.
Sexton-Kennedy, E.
Sharma, S.
Smith, R. P.
Soha, A.
Spalding, W. J.
Spiegel, L.
Tan, P.
Taylor, L.
Tkaczyk, S.
Uplegger, L.
Vaandering, E. W.
Vidal, R.
Whitmore, J.
Wu, W.
Yumiceva, F.
Yun, J. C.
Acosta, D.
Avery, P.
Bourilkov, D.
Chen, M.
Di Giovanni, G. P.
Dobur, D.
Drozdetskiy, A.
Field, R. D.
Fu, Y.
Furic, I. K.
Gartner, J.
Kim, B.
Klimenko, S.
Konigsberg, J.
Korytov, A.
Kotov, K.
Kropivnitskaya, A.
Kypreos, T.
Matchev, K.
Mitselmakher, G.
Pakhotin, Y.
Piedra Gomez, J.
Prescott, C.
Rapsevicius, V.
Remington, R.
Schmitt, M.
Scurlock, B.
Wang, D.
Yelton, J.
Zakaria, M.
Ceron, C.
Gaultney, V.
Kramer, L.
Lebolo, L. M.
Linn, S.
Markowitz, P.
Martinez, G.
Rodriguez, J. L.
Adams, T.
Askew, A.
Chen, J.
Dharmaratna, W. G. D.
Diamond, B.
Gleyzer, S. V.
Haas, J.
Hagopian, S.
Hagopian, V.
Jenkins, M.
Johnson, K. F.
Prosper, H.
Sekmen, S.
Baarmand, M. M.
Guragain, S.
Hohlmann, M.
Kalakhety, H.
Mermerkaya, H.
Ralich, R.
Vodopiyanov, I.
Adams, M. R.
Anghel, I. M.
Apanasevich, L.
Bazterra, V. E.
Betts, R. R.
Callner, J.
Cavanaugh, R.
Dragoiu, C.
Garcia-Solis, E. J.
Gerber, C. E.
Hofman, D. J.
Khalatian, S.
Mironov, C.
Shabalina, E.
Smoron, A.
Varelas, N.
Akgun, U.
Albayrak, E. A.
Bilki, B.
Cankocak, K.
Chung, K.
Clarida, W.
Duru, F.
Lae, C. K.
McCliment, E.
Merlo, J. -P.
Mestvirishvili, A.
Moeller, A.
Nachtman, J.
Newsom, C. R.
Norbeck, E.
Olson, J.
Onel, Y.
Ozok, F.
Sen, S.
Wetzel, J.
Yetkin, T.
Yi, K.
Barnett, B. A.
Blumenfeld, B.
Bonato, A.
Eskew, C.
Fehling, D.
Giurgiu, G.
Gritsan, A. V.
Guo, Z. J.
Hu, G.
Maksimovic, P.
Rappoccio, S.
Swartz, M.
Tran, N. V.
Baringer, P.
Bean, A.
Benelli, G.
Grachov, O.
Murray, M.
Radicci, V.
Sanders, S.
Wood, J. S.
Zhukova, V.
Bandurin, D.
Barfuss, A. F.
Bolton, T.
Chakaberia, I.
Kaadze, K.
Maravin, Y.
Shrestha, S.
Svintradze, I.
Wan, Z.
Gronberg, J.
Lange, D.
Wright, D.
Baden, D.
Boutemeur, M.
Eno, S. C.
Ferencek, D.
Hadley, N. J.
Kellogg, R. G.
Kirn, M.
Rossato, K.
Rumerio, P.
Santanastasio, F.
Skuja, A.
Temple, J.
Tonjes, M. B.
Tonwar, S. C.
Twedt, E.
Alver, B.
Bauer, G.
Bendavid, J.
Busza, W.
Butz, E.
Cali, I. A.
Chan, M.
D'Enterria, D.
Everaerts, P.
Gomez Ceballos, G.
Goncharov, M.
Hahn, K. A.
Harris, P.
Kim, Y.
Klute, M.
Lee, Y. -J.
Li, W.
Loizides, C.
Luckey, P. D.
Ma, T.
Nahn, S.
Paus, C.
Roland, C.
Roland, G.
Rudolph, M.
Stephans, G. S. F.
Sumorok, K.
Sung, K.
Wenger, E. A.
Wyslouch, B.
Xie, S.
Yilmaz, Y.
Yoon, A. S.
Zanetti, M.
Cole, P.
Cooper, S. I.
Cushman, P.
Dahmes, B.
De Benedetti, A.
Dudero, P. R.
Franzoni, G.
Haupt, J.
Klapoetke, K.
Kubota, Y.
Mans, J.
Petyt, D.
Rekovic, V.
Rusack, R.
Sasseville, M.
Cremaldi, L. M.
Godang, R.
Kroeger, R.
Perera, L.
Rahmat, R.
Sanders, D. A.
Sonnek, P.
Summers, D.
Bloom, K.
Bose, S.
Butt, J.
Claes, D. R.
Dominguez, A.
Eads, M.
Keller, J.
Kelly, T.
Kravchenko, I.
Lazo-Flores, J.
Lundstedt, C.
Malbouisson, H.
Malik, S.
Snow, G. R.
Baur, U.
Iashvili, I.
Kharchilava, A.
Kumar, A.
Smith, K.
Strang, M.
Alverson, G.
Barberis, E.
Baumgartel, D.
Boeriu, O.
Reucroft, S.
Swain, J.
Wood, D.
Anastassov, A.
Kubik, A.
Ofierzynski, R. A.
Pozdnyakov, A.
Schmitt, M.
Stoynev, S.
Velasco, M.
Won, S.
Antonelli, L.
Berry, D.
Hildreth, M.
Jessop, C.
Karmgard, D. J.
Kolb, J.
Kolberg, T.
Lannon, K.
Lynch, S.
Marinelli, N.
Morse, D. M.
Ruchti, R.
Valls, N.
Warchol, J.
Wayne, M.
Ziegler, J.
Bylsma, B.
Durkin, L. S.
Gu, J.
Killewald, P.
Ling, T. Y.
Williams, G.
Adam, N.
Berry, E.
Elmer, P.
Gerbaudo, D.
Halyo, V.
Hunt, A.
Jones, J.
Laird, E.
Pegna, D. Lopes
Marlow, D.
Medvedeva, T.
Mooney, M.
Olsen, J.
Piroue, P.
Stickland, D.
Tully, C.
Werner, J. S.
Zuranski, A.
Acosta, J. G.
Huang, X. T.
Lopez, A.
Mendez, H.
Oliveros, S.
Vargas, J. E. Ramirez
Zatzerklyaniy, A.
Alagoz, E.
Barnes, V. E.
Bolla, G.
Borrello, L.
Bortoletto, D.
Everett, A.
Garfinkel, A. F.
Gecse, Z.
Gutay, L.
Jones, M.
Koybasi, O.
Laasanen, A. T.
Leonardo, N.
Liu, C.
Maroussov, V.
Merkel, P.
Miller, D. H.
Neumeister, N.
Potamianos, K.
Sedov, A.
Shipsey, I.
Silvers, D.
Yoo, H. D.
Zheng, Y.
Jindal, P.
Parashar, N.
Cuplov, V.
Ecklund, K. M.
Geurts, F. J. M.
Liu, J. H.
Matveev, M.
Morales, J.
Padley, B. P.
Redjimi, R.
Roberts, J.
Betchart, B.
Bodek, A.
Chung, Y. S.
de Barbaro, P.
Demina, R.
Flacher, H.
Garcia-Bellido, A.
Gotra, Y.
Han, J.
Harel, A.
Korjenevski, S.
Miner, D. C.
Orbaker, D.
Petrillo, G.
Vishnevskiy, D.
Zielinski, M.
Bhatti, A.
Demortier, L.
Goulianos, K.
Hatakeyama, K.
Lungu, G.
Mesropian, C.
Yan, M.
Atramentov, O.
Gershtein, Y.
Halkiadakis, E.
Hits, D.
Lath, A.
Rose, K.
Schnetzer, S.
Somalwar, S.
Stone, R.
Thomas, S.
Cerizza, G.
Hollingsworth, M.
Spanier, S.
Yang, Z. C.
York, A.
Asaadi, J.
Eusebi, R.
Gilmore, J.
Gurrola, A.
Kamon, T.
Khotilovich, V.
Nguyen, C. N.
Pivarski, J.
Safonov, A.
Sengupta, S.
Toback, D.
Weinberger, M.
Akchurin, N.
Jeong, C.
Lee, S. W.
Roh, Y.
Sill, A.
Volobouev, I.
Wigmans, R.
Yazgan, E.
Brownson, E.
Engh, D.
Florez, C.
Johns, W.
Kurt, P.
Sheldon, P.
Arenton, M. W.
Balazs, M.
Buehler, M.
Conetti, S.
Cox, B.
Hirosky, R.
Ledovskoy, A.
Neu, C.
Yohay, R.
Gollapinni, S.
Gunthoti, K.
Harr, R.
Karchin, P. E.
Mattson, M.
Anderson, M.
Bachtis, M.
Bellinger, J. N.
Carlsmith, D.
Dasu, S.
Efron, J.
Flood, K.
Gray, L.
Grogg, K. S.
Grothe, M.
Hall-Wilton, R.
Klabbers, P.
Klukas, J.
Lanaro, A.
Lazaridis, C.
Leonard, J.
Lomidze, D.
Loveless, R.
Mohapatra, A.
Reeder, D.
Savin, A.
Smith, W. H.
Swanson, J.
Weinberg, M.
CA CMS Collaboration
TI Transverse-momentum and pseudorapidity distributions of charged hadrons
in pp collisions at root s=0.9 and 2.36 TeV
SO JOURNAL OF HIGH ENERGY PHYSICS
LA English
DT Article
DE Hadron-Hadron Scattering
ID SQUARE-ROOT-S; PARTICLE MULTIPLICITY; CM ENERGIES; DIFFRACTION;
DEPENDENCE
AB Measurements of inclusive charged-hadron transverse-momentum and pseudorapidity distributions are presented for proton-proton collisions at root s = 0.9 and 2.36 TeV. The data were collected with the CMS detector during the LHC commissioning in December 2009. For non-single-diffractive interactions, the average charged-hadron transverse momentum is measured to be 0.46 +/- 0.01 (stat.) +/- 0.01 (syst.) GeV/c at 0.9 TeV and 0.50 +/- 0.01 (stat.) +/- 0.01 (syst.) GeV/c at 2.36 TeV, for pseudorapidities between -2.4 and +2.4. At these energies, the measured pseudorapidity densities in the central region, dN(ch)/d eta vertical bar(vertical bar eta vertical bar<0.5), are 3.48 +/- 0.02 (stat.) +/- 0.13 (syst.) and 4.47 +/- 0.04 (stat.) +/- 0.16 (syst.), respectively. The results at 0.9 TeV are in agreement with previous measurements and confirm the expectation of near equal hadron production in p<(p)over bar> and pp collisions. The results at 2.36 TeV represent the highest-energy measurements at a particle collider to date.
C1 [Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.] Yerevan Phys Inst, Yerevan 375036, Armenia.
[Adam, W.; Bergauer, T.; Dragicevic, M.; Ero, J.; Friedl, M.; Fruehwirth, R.; Ghete, V. M.; Hammer, J.; Haensel, S.; Hoch, M.; Hoermann, N.; Hrubec, J.; Jeitler, M.; Kasieczka, G.; Krammer, M.; Liko, D.; Mikulec, I.; Pernicka, M.; Rohringer, H.; Schoefbeck, R.; Strauss, J.; Taurok, A.; Teischinger, F.; Waltenberger, W.; Walzel, G.; Widl, E.; Wulz, C. -E.] OeAW, Inst Hochenergiephys, Vienna, Austria.
[Mossolov, V.; Shumeiko, N.; Gonzalez, J. Suarez] Natl Ctr Particle & High Energy Phys, Minsk, Byelarus.
[Benucci, L.; De Wolf, E. A.; Hashemi, M.; Janssen, X.; Maes, T.; Mucibello, L.; Ochesanu, S.; Rougny, R.; Selvaggi, M.; Van Haevermaet, H.; Van Mechelen, P.; Van Remortel, N.] Univ Antwerp, B-2020 Antwerp, Belgium.
[Adler, V.; Beauceron, S.; D'Hondt, J.; Devroede, O.; Kalogeropoulos, A.; Maes, J.; Mozer, M. U.; Tavernier, S.; Van Doninck, W.; Van Mulders, P.; Villella, I.] Vrije Univ Brussel, Brussels, Belgium.
[Chabert, E. C.; Charaf, O.; Clerbaux, B.; De Lentdecker, G.; Dero, V.; Gay, A. P. R.; Hammad, G. H.; Marage, P. E.; Vander Velde, C.; Vanlaer, P.; Wickens, J.] Univ Libre Bruxelles, Brussels, Belgium.
[Grunewald, M.; Klein, B.; Marinov, A.; Ryckbosch, D.; Thyssen, F.; Tytgat, M.; Vanelderen, L.; Verwilligen, P.; Walsh, S.] Univ Ghent, B-9000 Ghent, Belgium.
[Basegmez, S.; Bruno, G.; Caudron, J.; Gil, E. Cortina; De Jeneret, J. De Favereau; Delaere, C.; Demin, P.; Favart, D.; Giammanco, A.; Gregoire, G.; Hollar, J.; Lemaitre, V.; Maltoni, F.; Militaru, O.; Ovyn, S.; Piotrzkowski, K.; Quertenmont, L.; Schul, N.] Catholic Univ Louvain, B-1348 Louvain, Belgium.
[Beliy, N.; Caebergs, T.; Daubie, E.; Herquet, P.] Univ Mons, B-7000 Mons, Belgium.
[Alves, G. A.; Pol, M. E.; Souza, M. H. G.] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil.
[Carvalho, W.; Da Costa, E. M.; Damiao, D. De Jesus; Martins, C. De Oliveira; De Souza, S. Fonseca; Mundim, L.; Oguri, V.; Santoro, A.; Silva Do Amaral, S. M.; Sznajder, A.; Da Silva De Araujo, F. Torres] Univ Estado Rio de Janeiro, BR-20550011 Rio De Janeiro, Brazil.
[Dias, F. A.; Dias, M. A. F.; Tomei, T. R. Fernandez Perez; Gregores, E. M.; Marinho, F.; Novaes, S. F.; Padula, Sandra S.] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil.
[Damgov, J.; Darmenov, N.; Dimitrov, L.; Genchev, V.; Iaydjiev, P.; Piperov, S.; Stoykova, S.; Sultanov, G.; Trayanov, R.; Vankov, I.] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia, Bulgaria.
[Hadjiiska, R.; Kozhuharov, V.; Litov, L.; Mateev, M.; Pavlov, B.; Petkov, P.] Univ Sofia, BU-1126 Sofia, Bulgaria.
[Chen, G. M.; Chen, H. S.; Jiang, C. H.; Liang, D.; Liang, S.; Meng, X.; Tao, J.; Wang, J.; Wang, J.; Wang, X.; Wang, Z.; Zang, J.; Zhang, Z.] Inst High Energy Phys, Beijing 100039, Peoples R China.
[Ban, Y.; Guo, S.; Hu, Z.; Mao, Y.; Qian, S. J.; Teng, H.; Zhu, B.] Peking Univ, State Key Lab Nucl Phys & Tech, Beijing 100871, Peoples R China.
[Carrillo Montoya, C. A.; Gomez Moreno, B.; Ocampo Rios, A. A.; Sanabria, J. C.] Univ Los Andes, Bogota, Colombia.
[Godinovic, N.; Lelas, K.; Plestina, R.; Polic, D.; Puljak, I.] Tech Univ Split, Split, Croatia.
[Antunovic, Z.; Dzelalija, M.] Univ Split, Split, Croatia.
[Brigljevic, V.; Duric, S.; Kadija, K.; Morovic, S.] Rudjer Boskovic Inst, Zagreb, Croatia.
[Attikis, A.; Fereos, R.; Galanti, M.; Mousa, J.; Papadakis, A.; Ptochos, F.; Razis, P. A.; Tsiakkouri, D.; Zinonos, Z.] Univ Cyprus, Nicosia, Cyprus.
[Hektor, A.; Kadastik, M.; Kannike, K.; Muentel, M.; Raidal, M.; Rebane, L.] NICPB, Tallinn, Estonia.
[Eerola, P.] Univ Helsinki, Dept Phys, Helsinki, Finland.
[Czellar, S.; Harkonen, J.; Heikkinen, A.; Karimaki, V.; Kinnunen, R.; Klem, J.; Kortelainen, M. J.; Lampen, T.; Lassila-Perini, K.; Lehti, S.; Linden, T.; Luukka, P.; Macnpaa, T.; Tuominen, E.; Tuominiemi, J.; Tuovinen, E.; Ungaro, D.; Wendland, L.] Helsinki Inst Phys, Helsinki, Finland.
[Banzuzi, K.; Korpela, A.; Tuuva, T.] Lappeenranta Univ Technol, Lappeenranta, Finland.
[Sillou, D.] CNRS, IN2P3, Lab Annecy Le Vieux Phys Particules, Annecy Le Vieux, France.
[Besancon, M.; Dejardin, M.; Denegri, D.; Descamps, J.; Fabbro, B.; Faure, J. L.; Ferri, F.; Ganjour, S.; Gentit, F. X.; Givernaud, A.; Gras, P.; de Monchenault, G. Hamel; Jarry, P.; Locci, E.; Malcles, J.; Marionneau, M.; Millischer, L.; Rander, J.; Rosowsky, A.; Rousseau, D.; Titov, M.; Verrecchia, P.] CEA Saclay, DSM IRFU, F-91191 Gif Sur Yvette, France.
[Baffioni, S.; Bianchini, L.; Broutin, C.; Busson, P.; Charlot, C.; Dobrzynski, L.; Elgammal, S.; de Cassagnac, R. Granier; Haguenauer, M.; Mine, P.; Paganini, P.; Sirois, Y.; Thiebaux, C.; Zabi, A.] Ecole Polytech, CNRS, Lab Leprince Ringuet, IN2P3, F-91128 Palaiseau, France.
[Agram, J. -L.; Besson, A.; Bloch, D.; Bodin, D.; Brom, J. -M.; Cardaci, M.; Conte, E.; Drouhin, F.; Ferro, C.; Fontaine, J. -C.; Gele, D.; Goerlach, U.; Greder, S.; Juillot, P.; Le Bihan, A. -C.; Mikami, Y.; Ripp-Baudot, I.; Speck, J.; Van Hove, P.] Univ Haute Alsace Mulhouse, Univ Strasbourg, Inst Pluridisciplinaire Hubert Curien, CNRS,IN2P3, Strasbourg, France.
[Baty, C.; Bedjidian, M.; Bondu, O.; Boudoul, G.; Boumediene, D.; Brun, H.; Chanon, N.; Chierici, R.; Contardo, D.; Depasse, P.; El Mamouni, H.; Fassi, F.; Fay, J.; Gascon, S.; Ille, B.; Kurca, T.; Le Grand, T.; Lethuillier, M.; Mirabito, L.; Perries, S.; Tosi, S.; Tschudi, Y.; Verdier, P.; Xiao, H.] Univ Lyon 1, Univ Lyon, CNRS, Inst Phys Nucl Lyon,IN2P3, Villeurbanne, France.
[Roinishvili, V.] Georgian Acad Sci, E Andronikashvili Inst Phys, GE-380060 Tbilisi, Rep of Georgia.
[Anagnostou, G.; Edelhoff, M.; Feld, L.; Heracleous, N.; Hindrichs, O.; Jussen, R.; Klein, K.; Merz, J.; Mohr, N.; Ostapchuk, A.; Pandoulas, D.; Perieanu, A.; Raupach, F.; Sammet, J.; Schael, S.; Sprenger, D.; Weber, H.; Weber, M.; Wittmer, B.] Rhein Westfal TH Aachen, Inst Phys 1, Aachen, Germany.
[Actis, O.; Bender, W.; Biallass, P.; Erdmann, M.; Frangenheim, J.; Hebbeker, T.; Hinzmann, A.; Hoepfner, K.; Hof, C.; Kirsch, M.; Klimkovich, T.; Kreuzer, P.; Lanske, D.; Merschmeyer, M.; Meyer, A.; Pieta, H.; Reithler, H.; Schmitz, S. A.; Sowa, M.; Steggemann, J.; Teyssier, D.; Zeidler, C.] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany.
[Bontenackels, M.; Davids, M.; Duda, M.; Fluegge, G.; Geenen, H.; Giffels, M.; Ahmad, W. Haj; Heydhausen, D.; Kress, T.; Kuessel, Y.; Linn, A.; Nowack, A.; Perchalla, L.; Pooth, O.; Sauerland, P.; Stahl, A.; Thomas, M.; Tornier, D.; Zoeller, M. H.] Rhein Westfal TH Aachen, Phys Inst B 3, Aachen, Germany.
[Martin, M. Aldaya; Behrens, U.; Borras, K.; Campbell, A.; Castro, E.; Dammann, D.; Eckerlin, G.; Flossdorf, A.; Flucke, G.; Geiser, A.; Hauk, J.; Jung, H.; Kasemann, M.; Katkov, I.; Kleinwort, C.; Kluge, H.; Knutsson, A.; Kuznetsova, E.; Lange, W.; Lohmann, W.; Mankel, R.; Marienfeld, M.; Meyer, A. B.; Mnich, J.; Olzem, J.; Parenti, A.; Schmidt, R.; Schoerner-Sadenius, T.; Sen, N.; Stein, M.; Volyanskyy, D.; Wissing, C.] DESY, Hamburg, Germany.
[Autermann, C.; Draeger, J.; Eckstein, D.; Enderle, H.; Gebbert, U.; Kaschube, K.; Kaussen, G.; Klanner, R.; Mura, B.; Naumann-Emme, S.; Nowak, F.; Sander, C.; Schleper, P.; Schroeder, M.; Schum, T.; Stadie, H.; Steinbrueck, G.; Thomsen, J.; Wolf, R.] Univ Hamburg, Hamburg, Germany.
[Bauer, J.; Bluem, P.; Buege, V.; Cakir, A.; Chwalek, T.; Daeuwel, D.; De Boer, W.; Dierlamm, A.; Dirkes, G.; Feindt, M.; Frey, M.; Gruschke, J.; Hackstein, C.; Hartmann, F.; Heinrich, M.; Hoffmann, K. H.; Honc, S.; Kuhr, T.; Martschei, D.; Mueller, S.; Mueller, Th.; Niegel, M.; Oberst, O.; Oehler, A.; Ott, J.; Peiffer, T.; Piparo, D.; Quast, G.; Rabbertz, K.; Renz, M.; Sabellek, A.; Saout, C.; Scheurer, A.; Schieferdecker, P.; Schilling, F. -P.; Schott, G.; Simonis, H. J.; Stober, F. M.; Wagner-Kuhr, J.; Zeise, M.; Zhukov, V.; Ziebarth, E. B.] Univ Karlsruhe, Inst Expt Kernphys, D-7500 Karlsruhe, Germany.
[Daskalakis, G.; Geralis, T.; Karafasoulis, K.; Kyriakis, A.; Loukas, D.; Markou, A.; Markou, C.; Mavrommatis, C.; Petrakou, E.; Zachariadou, A.] Inst Nucl Phys Demokritos, Aghia Paraskevi, Greece.
[Agapitos, A.; Gouskos, L.; Katsas, P.; Panagiotou, A.; Saganis, K.; Xaxiris, E.] Univ Athens, Athens, Greece.
[Evangelou, I.; Kokkas, P.; Manthos, N.; Papadopoulos, I.; Triantis, F. A.] Univ Ioannina, GR-45110 Ioannina, Greece.
[Aranyi, A.; Bencze, G.; Boldizsar, L.; Debreczeni, G.; Hajdu, C.; Horvath, D.; Kapusi, A.; Krajczar, K.; Laszlo, A.; Sikler, F.; Vesztergombi, G.] KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary.
[Beni, N.; Molnar, J.; Palinkas, J.; Szillasi, Z.; Veszpremi, V.] Inst Nucl Res ATOMKI, Debrecen, Hungary.
[Raics, P.; Trocsanyi, Z. L.; Ujvari, B.] Univ Debrecen, Debrecen, Hungary.
[Bansal, S.; Beri, S. B.; Bhatnagar, V.; Jindal, M.; Kaur, M.; Kohli, J. M.; Mehta, M. Z.; Nishu, N.; Saini, L. K.; Sharma, A.; Sharma, R.; Singh, A. P.; Singh, J. B.; Singh, S. P.] Panjab Univ, Chandigarh 160014, India.
[Ahuja, S.; Bhattacharya, S.; Chauhan, S.; Choudhary, B. C.; Gupta, P.; Jain, S.; Jain, S.; Kumar, A.; Ranjan, K.; Shivpuri, R. K.] Univ Delhi, Delhi 110007, India.
[Choudhury, R. K.; Dutta, D.; Kailas, S.; Kataria, S. K.; Mohanty, A. K.; Pant, L. M.; Shukla, P.; Suggisetti, P.] Bhabha Atom Res Ctr, Bombay 400085, Maharashtra, India.
[Aziz, T.; Guchait, M.; Gurtu, A.; Maity, M.; Majumder, D.; Majumder, G.; Mazumdar, K.; Nayak, A.; Saha, A.; Sudhakar, K.; Wickramage, N.] Tata Inst Fundamental Res EHEP, Bombay, Maharashtra, India.
[Banerjee, S.; Dugad, S.; Mondal, N. K.] Tata Inst Fundamental Res HECR, Bombay, Maharashtra, India.
[Arfaei, H.; Bakhshiansohi, H.; Fahim, A.; Jafari, A.; Najafabadi, M. Mohammadi; Moshaii, A.; Mehdiabadi, S. Paktinat; Zeinali, M.] Inst Studies Theoret Phys & Math IPM, Tehran, Iran.
[Felcini, M.] Univ Coll Dublin, Dublin 2, Ireland.
[Abbrescia, M.; Barbone, L.; Colaleo, A.; Creanza, D.; De Filippis, N.; De Palma, M.; Fedele, F.; Fiore, L.; Iaselli, G.; Lusito, L.; Maggi, G.; Maggi, M.; Manna, N.; Marangelli, B.; My, S.; Nuzzo, S.; Pierro, G. A.; Pompili, A.; Pugliese, G.; Romano, F.; Roselli, G.; Selvaggi, G.; Silvestris, L.; Tupputi, S.; Zito, G.] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy.
[Abbrescia, M.; De Palma, M.; Lusito, L.; Manna, N.; Marangelli, B.; Nuzzo, S.; Pompili, A.; Roselli, G.; Selvaggi, G.; Tupputi, S.] Univ Bari, Bari, Italy.
[Creanza, D.; Iaselli, G.; Maggi, G.; My, S.; Pugliese, G.; Romano, F.] Politecn Bari, Bari, Italy.
[Abbiendi, G.; Bonacorsi, D.; Braibant-Giacomelli, S.; Capiluppi, P.; Cavallo, F. R.; Codispoti, G.; Cuffiani, M.; Dallavalle, G. M.; Fabbri, F.; Fanfani, A.; Fasanella, D.; Giacomelli, P.; Giunta, M.; Grandi, C.; Marcellini, S.; Masetti, G.; Montanari, A.; Navarria, F. L.; Odorici, F.; Perrotta, A.; Rossi, A. M.; Rovelli, T.; Siroli, G.; Travaglini, R.] Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy.
[Braibant-Giacomelli, S.; Capiluppi, P.; Codispoti, G.; Cuffiani, M.; Fanfani, A.; Masetti, G.; Navarria, F. L.; Rossi, A. M.; Rovelli, T.; Siroli, G.; Travaglini, R.] Univ Bologna, Bologna, Italy.
[Albergo, S.; Chiorboli, M.; Costa, S.; Potenza, R.; Tricomi, A.; Tuve, C.] Ist Nazl Fis Nucl, Sez Catania, I-95129 Catania, Italy.
[Albergo, S.; Chiorboli, M.; Costa, S.; Potenza, R.; Tricomi, A.] Univ Catania, Catania, Italy.
[Barbagli, G.; Broccolo, G.; Ciulli, V.; Civinini, C.; D'Alessandro, R.; Focardi, E.; Frosali, S.; Gallo, E.; Genta, C.; Landi, G.; Lenzi, P.; Meschini, M.; Paoletti, S.; Sguazzoni, G.; Tropiano, A.] Ist Nazl Fis Nucl, Sez Firenze, I-50125 Florence, Italy.
[Broccolo, G.; Ciulli, V.; D'Alessandro, R.; Focardi, E.; Frosali, S.; Genta, C.; Landi, G.; Lenzi, P.] Univ Florence, Florence, Italy.
[Fabbri, F.; Bianco, S.; Colafranceschi, S.; Piccolo, D.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy.
[Fabbricatore, P.; Musenich, R.] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy.
[Benaglia, A.; Cerati, G. B.; De Guio, F.; Ghezzi, A.; Govoni, P.; Malberti, M.; Malvezzi, S.; Martelli, A.; Menasce, D.; Miccio, V.; Moroni, L.; Negri, P.; Paganoni, M.; Pedrini, D.; Pullia, A.; Ragazzi, S.; Redaelli, N.; Sala, S.; Salerno, R.; Tabarelli de Fatis, T.; Tancini, V.; Taroni, S.] Ist Nazl Fis Nucl, Sez Milano Biccoca, I-20133 Milan, Italy.
[Cerati, G. B.; Govoni, P.; Malberti, M.; Miccio, V.; Negri, P.; Paganoni, M.; Pullia, A.; Ragazzi, S.; Salerno, R.; Tabarelli de Fatis, T.; Tancini, V.; Taroni, S.] Univ Milano Bicocca, Milan, Italy.
[Cimmino, A.; De Gruttola, M.; Fabozzi, F.; Iorio, A. O. M.; Lista, L.; Noli, P.; Paolucci, P.] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy.
[Cimmino, A.; De Gruttola, M.; Noli, P.] Univ Naples Federico II, Naples, Italy.
[Azzi, P.; Bacchetta, N.; Bellan, P.; Biasotto, M.; Carlin, R.; Checchia, P.; De Mattia, M.; Dorigo, T.; Fanzago, F.; Gasparini, F.; Giubilato, P.; Gonella, F.; Gresele, A.; Gulmini, M.; Lacaprara, S.; Lazzizzera, I.; Maron, G.; Mattiazzo, S.; Meneguzzo, A. T.; Passaseo, M.; Pegoraro, M.; Pozzobon, N.; Ronchese, P.; Torassa, E.; Tosi, M.; Vanini, S.; Ventura, S.; Zotto, P.] Ist Nazl Fis Nucl, Sez Padova, Padua, Italy.
[Bellan, P.; Carlin, R.; De Mattia, M.; Gasparini, F.; Giubilato, P.; Mattiazzo, S.; Meneguzzo, A. T.; Pozzobon, N.; Ronchese, P.; Tosi, M.; Vanini, S.; Zotto, P.] Univ Padua, Padua, Italy.
[Gresele, A.; Lazzizzera, I.] Univ Trento, Padua, Italy.
[Baesso, P.; Berzano, U.; Pagano, D.; Ratti, S. P.; Riccardi, C.; Torre, P.; Vitulo, P.; Viviani, C.] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy.
[Baesso, P.; Pagano, D.; Ratti, S. P.; Riccardi, C.; Torre, P.; Vitulo, P.; Viviani, C.] Univ Pavia, I-27100 Pavia, Italy.
[Biasini, M.; Bilei, G. M.; Caponeri, B.; Fano, L.; Lariccia, P.; Lucaroni, A.; Mantovani, G.; Nappi, A.; Santocchia, A.; Servoli, L.; Volpe, R.] Ist Nazl Fis Nucl, Sez Perugia, I-06100 Perugia, Italy.
[Biasini, M.; Caponeri, B.; Lariccia, P.; Lucaroni, A.; Mantovani, G.; Nappi, A.; Santocchia, A.; Volpe, R.] Univ Perugia, I-06100 Perugia, Italy.
[Azzurri, P.; Bagliesi, G.; Bernardini, J.; Boccali, T.; Bocci, A.; Castaldi, R.; Dell'Orso, R.; Dutta, S.; Fiori, F.; Foa, L.; Gennai, S.; Giassi, A.; Kraan, A.; Ligabue, F.; Lomtadze, T.; Martini, L.; Messineo, A.; Palla, F.; Palmonari, F.; Sarkar, S.; Segneri, G.; Serban, A. T.; Spagnolo, P.; Tenchini, R.; Tonelli, G.; Venturi, A.; Verdini, P. G.] Ist Nazl Fis Nucl, Sez Pisa, Pisa, Italy.
[Bernardini, J.; Fiori, F.; Messineo, A.; Tonelli, G.] Univ Pisa, Pisa, Italy.
[Azzurri, P.; Bocci, A.; Foa, L.; Gennai, S.; Ligabue, F.] Scuola Normale Super Pisa, Pisa, Italy.
[Barone, L.; Cavallari, F.; Del Re, D.; Di Marco, E.; Diemoz, M.; Franci, D.; Grassi, M.; Longo, E.; Organtini, G.; Palma, A.; Pandolfi, F.; Paramatti, R.; Rahatlou, S.; Rovelli, C.] Ist Nazl Fis Nucl, Sez Roma, Rome, Italy.
[Barone, L.; Del Re, D.; Di Marco, E.; Franci, D.; Longo, E.; Organtini, G.; Palma, A.; Pandolfi, F.; Rahatlou, S.] Univ Roma La Sapienza, Rome, Italy.
[Amapane, N.; Arcidiacono, R.; Argiro, S.; Arneodo, M.; Biino, C.; Borgia, M. A.; Botta, C.; Cartiglia, N.; Castello, R.; Costa, M.; Dellacasa, G.; Demaria, N.; Graziano, A.; Mariotti, C.; Marone, M.; Maselli, S.; Migliore, E.; Mila, G.; Monaco, V.; Musich, M.; Obertino, M. M.; Pastrone, N.; Romero, A.; Ruspa, M.; Sacchi, R.; Solano, A.; Staiano, A.; Trocino, D.; Pereira, A. Vilela] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy.
[Amapane, N.; Arcidiacono, R.; Argiro, S.; Borgia, M. A.; Botta, C.; Castello, R.; Costa, M.; Graziano, A.; Marone, M.; Migliore, E.; Mila, G.; Monaco, V.; Musich, M.; Romero, A.; Sacchi, R.; Solano, A.; Trocino, D.; Pereira, A. Vilela] Univ Turin, Turin, Italy.
[Arneodo, M.; Obertino, M. M.; Ruspa, M.] Univ Piemonte Orientale Novara, Turin, Italy.
[Ambroglini, F.; Belforte, S.; Cossutti, F.; Della Ricca, G.; Gobbo, B.; Penzo, A.] Ist Nazl Fis Nucl, Sez Trieste, Trieste, Italy.
[Ambroglini, F.; Della Ricca, G.] Univ Trieste, Trieste, Italy.
[Chang, S.; Chung, J.; Kim, D. H.; Kim, G. N.; Kong, D. J.; Park, H.; Son, D. C.] Kyungpook Natl Univ, Taegu, South Korea.
[Kim, Zero; Song, S.] Chonnam Natl Univ, Kwangju, South Korea.
[Jung, S. Y.] Konkuk Univ, Seoul, South Korea.
[Hong, B.; Kim, H.; Kim, J. H.; Lee, K. S.; Moon, D. H.; Park, S. K.; Rhee, H. B.; Sim, K. S.] Korea Univ, Seoul, South Korea.
[Kim, J.] Seoul Natl Univ, Seoul, South Korea.
[Choi, M.; Park, I. C.] Univ Seoul, Seoul, South Korea.
[Choi, S.; Choi, Y.; Choi, Y. K.; Goh, J.; Jo, Y.; Kwon, J.; Lee, J.; Lee, S.] Sungkyunkwan Univ, Suwon, South Korea.
[Janulis, M.; Martisiute, D.; Petrov, P.; Sabonis, T.] Vilnius State Univ, Vilnius, Lithuania.
[Castilla Valdez, H.; Sanchez Hernandez, A.] IPN, Ctr Invest & Estudios Avanzados, Mexico City 07738, DF, Mexico.
[Carrillo Moreno, S.] Univ Iberoamer, Mexico City, DF, Mexico.
[Salazar Ibarguen, H. A.] Benemerita Univ Autonoma Puebla, Puebla, Mexico.
[Casimiro Linares, E.; Morelos Pineda, A.] Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico.
[Allfrey, P.; Krofcheck, D.] Univ Auckland, Auckland 1, New Zealand.
[Aumeyr, T.; Butler, P. H.; Signal, T.; Williams, J. C.] Univ Canterbury, Christchurch 1, New Zealand.
[Ahmad, M.; Ahmed, I.; Asghar, M. I.; Hoorani, H. R.; Khan, W. A.; Khurshid, T.; Qazi, S.] Quaid I Azam Univ, Natl Ctr Phys, Islamabad, Pakistan.
[Cwiok, M.; Dominik, W.; Doroba, K.; Konecki, M.; Krolikowski, J.] Univ Warsaw, Inst Expt Phys, Warsaw, Poland.
[Frueboes, T.; Gokieli, R.; Gorski, M.; Kazana, M.; Nawrocki, K.; Szleper, M.; Wrochna, G.; Zalewski, P.] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland.
[Almeida, N.; Bargassa, P.; David, A.; Faccioli, P.; Ferreira Parracho, P. G.; Gallinaro, M.; Musella, P.; Ribeiro, P. Q.; Seixas, J.; Silva, P.; Varela, J.; Woehri, H. K.] Lab Instrumentacao & Fis Expt Particulas, Lisbon, Portugal.
[Altsybeev, I.; Belotelov, I.; Bunin, P.; Finger, M.; Finger, M., Jr.; Golutvin, I.; Kamenev, A.; Karjavin, V.; Kozlov, G.; Lanev, A.; Moisenz, P.; Palichik, V.; Perelygin, V.; Shmatov, S.; Smirnov, V.; Vishnevskiy, A.; Volodko, A.; Zarubin, A.] Joint Inst Nucl Res, Dubna, Russia.
[Ivanov, Y.; Kim, V.; Levchenko, P.; Obrant, G.; Shcheglov, Y.; Shchetkovskiy, A.; Smirnov, I.; Sulimov, V.; Vavilov, S.; Vorobyev, A.] Petersburg Nucl Phys Inst, St Petersburg, Russia.
[Andreev, Yu.; Gninenko, S.; Golubev, N.; Karneyeu, A.; Kirsanov, M.; Krasnikov, N.; Matveev, V.; Pashenkov, A.; Toropin, A.; Troitsky, S.] Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
[Epshteyn, V.; Gavrilov, V.; Ilina, N.; Kaftanov, V.; Kossov, M.; Krokhotin, A.; Kuleshov, S.; Oulianov, A.; Safronov, G.; Semenov, S.; Shreyber, I.; Stolin, V.; Vlasov, E.; Zhokin, A.] Inst Theoret & Expt Phys, Moscow 117259, Russia.
[Boos, E.; Dubinin, M.; Dudko, L.; Ershov, A.; Gribushin, A.; Kodolova, O.; Lokhtin, I.; Petrushanko, S.; Sarycheva, L.; Savrin, V.; Vardanyan, I.] Moscow MV Lomonosov State Univ, Moscow, Russia.
[Dremin, I.; Kirakosyan, M.; Konovalova, N.; Rusakov, S. V.; Vinogradov, A.] PN Lebedev Phys Inst, Moscow, Russia.
[Azhgirey, I.; Bitioukov, S.; Datsko, K.; Kachanov, V.; Konstantinov, D.; Krychkine, V.; Petrov, V.; Ryutin, R.; Slabospitsky, S.; Sobol, A.; Sytine, A.; Tourtchanovitch, L.; Troshin, S.; Tyurin, N.; Uzunian, A.; Volkov, A.] Inst High Energy Phys, State Res Ctr Russian Federat, Protvino, Russia.
[Adzic, P.; Djordjevic, M.; Maletic, D.; Puzovic, J.] Vinca Inst Nucl Sci, Belgrade, Serbia.
[Aguilar-Benitez, M.; Alcaraz Maestre, J.; Arce, P.; Battilana, C.; Calvo, E.; Cepeda, M.; Cerrada, M.; Chamizo Llatas, M.; Colino, N.; De la Cruz, B.; Diez Pardos, C.; Fernandez Bedoya, C.; Fernandez Ramos, J. P.; Ferrando, A.; Flix, J.; Fouz, M. C.; Garcia-Abia, P.; Gonzalez Lopez, O.; Goy Lopez, S.; Hernandez, J. M.; Josa, M. I.; Merino, G.; Puerta Pelayo, J.; Romero, L.; Santaolalla, J.; Willmott, C.] CIEMAT, E-28040 Madrid, Spain.
[Albajar, C.; De Troconiz, J. F.] Univ Autonoma Madrid, Madrid, Spain.
[Cuevas, J.; Fernandez Menendez, J.; Gonzalez Caballero, I.; Lloret Iglesias, L.; Vizan Garcia, J. M.] Univ Oviedo, Oviedo, Spain.
[Cabrillo, I. J.; Calderon, A.; Chuang, S. H.; Diaz Merino, I.; Diez Gonzalez, C.; Duarte Campderros, J.; Fernandez, M.; Gomez, G.; Gonzalez Sanchez, J.; Gonzalez Suarez, R.; Jorda, C.; Lobelle Pardo, P.; Lopez Virto, A.; Marco, J.; Marco, R.; Martinez Rivero, C.; Martinez Ruiz del Arbol, P.; Matorras, F.; Rodrigo, T.; Ruiz Jimeno, A.; Scodellaro, L.; Sobron Sanudo, M.; Vila, I.; Vilar Cortabitarte, R.] Univ Cantabria, CSIC, Inst Fis Cantabria IFCA, E-39005 Santander, Spain.
[Sharma, A.; Abbaneo, D.; Auffray, E.; Baillon, P.; Ball, A. H.; Barney, D.; Beaudette, F.; Beccati, B.; Bell, A. J.; Bellan, R.; Benedetti, D.; Bernet, C.; Bialas, W.; Bloch, P.; Bolognesi, S.; Bona, M.; Breuker, H.; Bunkowski, K.; Camporesi, T.; Cano, E.; Cattai, A.; Cerminara, G.; Christiansen, T.; Coarasa Perez, J. A.; Covarelli, R.; Cure, B.; Dahms, T.; De Roeck, A.; Elliott-Peisert, A.; Funk, W.; Gaddi, A.; Gerwig, H.; Gigi, D.; Gill, K.; Giordano, D.; Glege, F.; Gowdy, S.; Guiducci, L.; Gutleber, J.; Hartl, C.; Harvey, J.; Hegner, B.; Henderson, C.; Hoffmann, H. F.; Honma, A.; Huhtinen, M.; Innocente, V.; Janot, P.; Lecoq, P.; Leonidopoulos, C.; Lourenco, C.; Macpherson, A.; Maeki, T.; Malgeri, L.; Mannelli, M.; Masetti, L.; Meijers, F.; Meridiani, P.; Mersi, S.; Meschi, E.; Moser, R.; Mulders, M.; Noy, M.; Orimoto, T.; Orsini, L.; Perez, E.; Petrilli, A.; Pfeiffer, A.; Pierini, M.; Pimiae, M.; Racz, A.; Rolandi, G.; Rovere, M.; Ryjov, V.; Sakulin, H.; Schaefer, C.; Schlatter, W. D.; Schwick, C.; Segoni, I.; Siegrist, P.; Simon, M.; Sphicas, P.; Spiga, D.; Spiropulu, M.; Stoeckli, F.; Traczyk, P.; Tropea, P.; Tsirou, A.; Veres, G. I.; Vichoudis, P.; Voutilainen, M.; Zeuner, W. D.] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland.
[Erdmann, M.; Bertl, W.; Deiters, K.; Gabathuler, K.; Horisberger, R.; Ingram, Q.; Kaestli, H. C.; Koenig, S.; Kotlinski, D.; Langenegger, U.; Meier, F.; Renker, D.; Rohe, T.; Sibille, J.; Starodumov, A.] Paul Scherrer Inst, Villigen, Switzerland.
[Weber, M.; Caminada, L.; Casella, M. C.; Chen, Z.; Cittolin, S.; Dambach, S.; Dissertori, G.; Dittmar, M.; Eggel, C.; Eugster, J.; Freudenreich, K.; Grab, C.; Herve, A.; Hintz, W.; Lecomte, P.; Lustermann, W.; Marchica, C.; Milenovic, P.; Moortgat, F.; Nardulli, A.; Nessi-Tedaldi, F.; Pape, L.; Pauss, F.; Punz, T.; Rizzi, A.; Ronga, F. J.; Sala, L.; Sanchez, A. K.; Sawley, M. -C.; Schinzel, D.; Sordini, V.; Stieger, B.; Tauscher, L.; Thea, A.; Theofilatos, K.; Treille, D.; Trueb, P.; Wehrli, L.; Weng, J.] ETH, Inst Particle Phys, Zurich, Switzerland.
[Amsler, C.; Chiochia, V.; De Visscher, S.; Rikova, M. Ivova; Regenfus, C.; Robmann, P.; Rommerskirchen, T.; Schmidt, A.; Snoek, H.; Tsirigkas, D.; Wilke, L.] Univ Zurich, Zurich, Switzerland.
[Chang, Y. H.; Chen, E. A.; Chen, W. T.; Go, A.; Kuo, C. M.; Li, S. W.; Lin, W.; Liu, M. H.; Wu, J. H.] Natl Cent Univ, Chungli 32054, Taiwan.
[Chang, Y. H.; Bartalini, P.; Chang, P.; Chao, Y.; Chen, K. F.; Hou, W. -S.; Hsiung, Y.; Lei, Y. J.; Lin, S. W.; Lu, R. -S.; Shiu, J. G.; Tzeng, Y. M.; Ueno, K.; Wang, C. C.; Wang, M.] Natl Taiwan Univ, Taipei 10764, Taiwan.
[Adiguzel, A.; Ayhan, A.; Bakirci, M. N.; Cerci, S.; Demir, Z.; Dozen, C.; Dumanoglu, I.; Eskut, E.; Girgis, S.; Gurpinar, E.; Karaman, T.; Topaksu, A. Kayis; Onengut, G.; Ozdemir, K.; Ozturk, S.; Polatoz, A.; Sahin, O.; Sengul, O.; Sogut, K.; Tali, B.; Topakli, H.; Uzun, D.; Vergili, L. N.; Vergili, M.] Cukurova Univ, Adana, Turkey.
[Akin, I. V.; Aliev, T.; Bilmis, S.; Deniz, M.; Gamsizkan, H.; Guler, A. M.; Ocalan, K.; Serin, M.; Sever, R.; Surat, U. E.; Zeyrek, M.] Middle E Tech Univ, Dept Phys, TR-06531 Ankara, Turkey.
[Deliomeroglu, M.; Demir, D.; Gulmez, E.; Halu, A.; Isildak, B.; Kaya, M.; Kaya, O.; Ozkorucuklu, S.; Sonmez, N.] Bogazici Univ, Dept Phys, Istanbul, Turkey.
[Levchuk, L.] Kharkov Phys & Technol Inst, Natl Scienti fi c Ctr, UA-310108 Kharkov, Ukraine.
[Bell, P.; Bostock, F.; Brooke, J. J.; Cheng, T. L.; Cussans, D.; Frazier, R.; Goldstein, J.; Hansen, M.; Heath, G. P.; Heath, H. F.; Hill, C.; Huckvale, B.; Jackson, J.; Kreczko, L.; Mackay, C. K.; Metson, S.; Newbold, D. M.; Nirunpong, K.; Smith, V. J.; Ward, S.] Univ Bristol, Bristol, Avon, England.
[Basso, L.; Bell, K. W.; Brew, C.; Brown, R. M.; Camanzi, B.; Cockerill, D. J. A.; Coughlan, J. A.; Harder, K.; Harper, S.; Kennedy, B. W.; Shepherd-Themistocleous, C. H.; Tomalin, I. R.; Womersley, W. J.; Worm, S. D.] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
[Bainbridge, R.; Ball, G.; Ballin, J.; Beuselinck, R.; Buchmuller, O.; Colling, D.; Cripps, N.; Davies, G.; Della Negra, M.; Foudas, C.; Fulcher, J.; Futyan, D.; Hall, G.; Hays, J.; Iles, G.; Karapostoli, G.; Lyons, L.; MacEvoy, B. C.; Magnan, A. -M.; Marrouche, J.; Nash, J.; Nikitenko, A.; Papageorgiou, A.; Pesaresi, M.; Petridis, K.; Pioppi, M.; Raymond, D. M.; Rompotis, N.; Rose, A.; Ryan, M. J.; Seez, C.; Sharp, P.; Stoye, M.; Tapper, A.; Tourneur, S.; Acosta, M. Vazquez; Virdee, T.; Wakefield, S.; Wardrope, D.; Whyntie, T.] Univ London, Imperial Coll, London, England.
[Barrett, M.; Chadwick, M.; Cole, J. E.; Hobson, P. R.; Khan, A.; Kyberd, P.; Leslie, D.; Reid, I. D.; Teodorescu, L.] Brunel Univ, Uxbridge UB8 3PH, Middx, England.
[Bose, T.; Clough, A.; Heister, A.; John, J. St.; Lawson, P.; Lazic, D.; Rohlf, J.; Sulak, L.] Boston Univ, Boston, MA 02215 USA.
[Andrea, J.; Avetisyan, A.; Bhattacharya, S.; Chou, J. P.; Cutts, D.; Esen, S.; Kukartsev, G.; Landsberg, G.; Narain, M.; Nguyen, D.; Speer, T.; Tsang, K. V.] Brown Univ, Providence, RI 02912 USA.
[Breedon, R.; De la Barca Sanchez, M. Calderon; Cebra, D.; Chertok, M.; Conway, J.; Cox, P. T.; Dolen, J.; Erbacher, R.; Friis, E.; Ko, W.; Kopecky, A.; Lander, R.; Liu, H.; Maruyama, S.; Miceli, T.; Nikolic, M.; Pellett, D.; Robles, J.; Searle, M.; Smith, J.; Squires, M.; Tripathi, M.; Sierra, R. Vasquez; Veelken, C.] Univ Calif Davis, Davis, CA 95616 USA.
[Andreev, V.; Arisaka, K.; Cline, D.; Cousins, R.; Erhan, S.; Farrell, C.; Hauser, J.; Ignatenko, M.; Jarvis, C.; Rakness, G.; Schlein, P.; Tucker, J.; Valuev, V.; Wallny, R.] Univ Calif Los Angeles, Los Angeles, CA USA.
[Liu, H.; Babb, J.; Chandra, A.; Clare, R.; Ellison, J. A.; Gary, J. W.; Hanson, G.; Jeng, G. Y.; Kao, S. C.; Liu, F.; Luthra, A.; Nguyen, H.; Shen, B. C.; Stringer, R.; Sturdy, J.; Wilken, R.; Wimpenny, S.] Univ Calif Riverside, Riverside, CA 92521 USA.
[Andrews, W.; Branson, J. G.; Dusinberre, E.; Evans, D.; Golf, F.; Holzner, A.; Kelley, R.; Lebourgeois, M.; Letts, J.; Mangano, B.; Muelmenstaedt, J.; Norman, M.; Padhi, S.; Petrucciani, G.; Pi, H.; Pieri, M.; Ranieri, R.; Sani, M.; Sharma, V.; Simon, S.; Vartak, A.; Wuerthwein, F.; Yagil, A.] Univ Calif San Diego, La Jolla, CA 92093 USA.
[Barge, D.; Blume, M.; Campagnari, C.; D'Alfonso, M.; Danielson, T.; Garberson, J.; Incandela, J.; Justus, C.; Kalavase, P.; Koay, S. A.; Kovalskyi, D.; Krutelyov, V.; Lamb, J.; Lowette, S.; Pavlunin, V.; Rebassoo, F.; Ribnik, J.; Richman, J.; Rossin, R.; Stuart, D.; To, W.; Vlimant, J. R.; Witherell, M.] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA.
[Apresyan, A.; Bornheim, A.; Bunn, J.; Gataullin, M.; Litvine, V.; Ma, Y.; Newman, H. B.; Rogan, C.; Timciuc, V.; Veverka, J.; Wilkinson, R.; Yang, Y.; Zhu, R. Y.] CALTECH, Pasadena, CA 91125 USA.
[Akgun, B.; Carroll, R.; Ferguson, T.; Jang, D. W.; Jun, S. Y.; Paulini, M.; Russ, J.; Terentyev, N.; Vogel, H.; Vorobiev, I.] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
[Cumalat, J. P.; Dinardo, M. E.; Drell, B. R.; Ford, W. T.; Heyburn, B.; Luiggi Lopez, E.; Nauenberg, U.; Stenson, K.; Ulmer, K.; Wagner, S. R.; Zang, S. L.] Univ Colorado, Boulder, CO 80309 USA.
[Agostino, L.; Alexander, J.; Blekman, F.; Cassel, D.; Chatterjee, A.; Das, S.; Eggert, N.; Gibbons, L. K.; Heltsley, B.; Hopkins, W.; Khukhunaishvili, A.; Kreis, B.; Patterson, J. R.; Puigh, D.; Ryd, A.; Shi, X.; Sun, W.; Teo, W. D.; Thom, J.; Vaughan, J.; Weng, Y.; Wittich, P.] Cornell Univ, Ithaca, NY USA.
[Biselli, A.; Cirino, G.; Winn, D.] Fairfield Univ, Fairfield, CT 06430 USA.
[Banerjee, S.; Albrow, M.; Apollinari, G.; Atac, M.; Bakken, J. A.; Bauerdick, L. A. T.; Beretvas, A.; Berryhill, J.; Bhat, P. C.; Binkley, M.; Bloch, I.; Borcherding, F.; Burkett, K.; Butler, J. N.; Chetluru, V.; Cheung, H. W. K.; Chlebana, F.; Cihangir, S.; Demarteau, M.; Eartly, D. P.; Elvira, V. D.; Fisk, I.; Freeman, J.; Gottschalk, E.; Green, D.; Gutsche, O.; Hahn, A.; Hanlon, J.; Harris, R. M.; James, E.; Jensen, H.; Johnson, M.; Joshi, U.; Klima, B.; Kousouris, K.; Kunori, S.; Kwan, S.; Limon, P.; Lueking, L.; Lykken, J.; Maeshima, K.; Marraffino, J. M.; Mason, D.; McBride, P.; McCauley, T.; Miao, T.; Mishra, K.; Mrenna, S.; Musienko, Y.; Newman-Holmes, C.; O'Dell, V.; Popescu, S.; Prokofyev, O.; Sexton-Kennedy, E.; Sharma, S.; Smith, R. P.; Soha, A.; Spalding, W. J.; Spiegel, L.; Tan, P.; Taylor, L.; Tkaczyk, S.; Uplegger, L.; Vaandering, E. W.; Vidal, R.; Whitmore, J.; Wu, W.; Yumiceva, F.; Yun, J. C.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Acosta, D.; Avery, P.; Bourilkov, D.; Chen, M.; Di Giovanni, G. P.; Dobur, D.; Drozdetskiy, A.; Field, R. D.; Fu, Y.; Furic, I. K.; Gartner, J.; Kim, B.; Klimenko, S.; Konigsberg, J.; Korytov, A.; Kotov, K.; Kropivnitskaya, A.; Kypreos, T.; Matchev, K.; Mitselmakher, G.; Pakhotin, Y.; Piedra Gomez, J.; Prescott, C.; Rapsevicius, V.; Remington, R.; Schmitt, M.; Scurlock, B.; Wang, D.; Yelton, J.; Zakaria, M.] Univ Florida, Gainesville, FL USA.
[Ceron, C.; Gaultney, V.; Kramer, L.; Lebolo, L. M.; Linn, S.; Markowitz, P.; Martinez, G.; Rodriguez, J. L.] Florida Int Univ, Miami, FL 33199 USA.
[Adams, T.; Askew, A.; Chen, J.; Dharmaratna, W. G. D.; Diamond, B.; Gleyzer, S. V.; Haas, J.; Hagopian, S.; Hagopian, V.; Jenkins, M.; Johnson, K. F.; Prosper, H.; Sekmen, S.] Florida State Univ, Tallahassee, FL 32306 USA.
[Baarmand, M. M.; Guragain, S.; Hohlmann, M.; Kalakhety, H.; Mermerkaya, H.; Ralich, R.; Vodopiyanov, I.] Florida Inst Technol, Melbourne, FL 32901 USA.
[Adams, M. R.; Anghel, I. M.; Apanasevich, L.; Bazterra, V. E.; Betts, R. R.; Callner, J.; Cavanaugh, R.; Dragoiu, C.; Garcia-Solis, E. J.; Gerber, C. E.; Hofman, D. J.; Khalatian, S.; Mironov, C.; Shabalina, E.; Smoron, A.; Varelas, N.] Univ Illinois, Chicago, IL USA.
[Heydhausen, D.; Akgun, U.; Albayrak, E. A.; Bilki, B.; Cankocak, K.; Chung, K.; Clarida, W.; Duru, F.; Lae, C. K.; McCliment, E.; Merlo, J. -P.; Mestvirishvili, A.; Moeller, A.; Nachtman, J.; Newsom, C. R.; Norbeck, E.; Olson, J.; Onel, Y.; Ozok, F.; Wetzel, J.; Yetkin, T.; Yi, K.] Univ Iowa, Iowa City, IA USA.
[Hu, Z.; Barnett, B. A.; Blumenfeld, B.; Bonato, A.; Eskew, C.; Fehling, D.; Giurgiu, G.; Gritsan, A. V.; Guo, Z. J.; Maksimovic, P.; Rappoccio, S.; Swartz, M.; Tran, N. V.] Johns Hopkins Univ, Baltimore, MD USA.
[Baringer, P.; Bean, A.; Benelli, G.; Grachov, O.; Murray, M.; Radicci, V.; Sanders, S.; Wood, J. S.; Zhukova, V.] Univ Kansas, Lawrence, KS 66045 USA.
[Bandurin, D.; Barfuss, A. F.; Bolton, T.; Chakaberia, I.; Kaadze, K.; Maravin, Y.; Shrestha, S.; Svintradze, I.; Wan, Z.] Kansas State Univ, Manhattan, KS 66506 USA.
[Gronberg, J.; Lange, D.; Wright, D.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Baden, D.; Boutemeur, M.; Eno, S. C.; Ferencek, D.; Hadley, N. J.; Kellogg, R. G.; Kirn, M.; Rossato, K.; Rumerio, P.; Santanastasio, F.; Skuja, A.; Temple, J.; Tonjes, M. B.; Tonwar, S. C.; Twedt, E.] Univ Maryland, College Pk, MD 20742 USA.
[Alver, B.; Bauer, G.; Bendavid, J.; Busza, W.; Butz, E.; Cali, I. A.; Chan, M.; D'Enterria, D.; Everaerts, P.; Gomez Ceballos, G.; Goncharov, M.; Hahn, K. A.; Harris, P.; Kim, Y.; Klute, M.; Lee, Y. -J.; Li, W.; Loizides, C.; Luckey, P. D.; Ma, T.; Nahn, S.; Paus, C.; Roland, C.; Roland, G.; Rudolph, M.; Stephans, G. S. F.; Sumorok, K.; Sung, K.; Wenger, E. A.; Wyslouch, B.; Xie, S.; Yilmaz, Y.; Yoon, A. S.; Zanetti, M.] MIT, Cambridge, MA 02139 USA.
[Cole, P.; Cooper, S. I.; Cushman, P.; Dahmes, B.; De Benedetti, A.; Dudero, P. R.; Franzoni, G.; Haupt, J.; Klapoetke, K.; Kubota, Y.; Mans, J.; Petyt, D.; Rekovic, V.; Rusack, R.; Sasseville, M.; Cremaldi, L. M.] Univ Minnesota, Minneapolis, MN USA.
[Cremaldi, L. M.; Godang, R.; Kroeger, R.; Perera, L.; Rahmat, R.; Sanders, D. A.; Sonnek, P.; Summers, D.] Univ Mississippi, University, MS 38677 USA.
[Bloom, K.; Bose, S.; Butt, J.; Claes, D. R.; Dominguez, A.; Eads, M.; Keller, J.; Kelly, T.; Kravchenko, I.; Lazo-Flores, J.; Lundstedt, C.; Malbouisson, H.; Malik, S.; Snow, G. R.] Univ Nebraska, Lincoln, NE USA.
[Kumar, A.; Baur, U.; Iashvili, I.; Kharchilava, A.; Smith, K.; Strang, M.] SUNY Buffalo, Buffalo, NY 14260 USA.
[Alverson, G.; Barberis, E.; Baumgartel, D.; Boeriu, O.; Reucroft, S.; Swain, J.; Wood, D.] Northeastern Univ, Boston, MA 02115 USA.
[Schmitt, M.; Anastassov, A.; Kubik, A.; Ofierzynski, R. A.; Pozdnyakov, A.; Stoynev, S.; Velasco, M.; Won, S.; Antonelli, L.] Northwestern Univ, Evanston, IL USA.
[Antonelli, L.; Berry, D.; Hildreth, M.; Jessop, C.; Karmgard, D. J.; Kolb, J.; Kolberg, T.; Lannon, K.; Lynch, S.; Marinelli, N.; Morse, D. M.; Ruchti, R.; Valls, N.; Warchol, J.; Wayne, M.; Ziegler, J.] Univ Notre Dame, Notre Dame, IN 46556 USA.
[Bylsma, B.; Durkin, L. S.; Gu, J.; Killewald, P.; Ling, T. Y.; Williams, G.] Ohio State Univ, Columbus, OH 43210 USA.
[Adam, N.; Berry, E.; Elmer, P.; Gerbaudo, D.; Halyo, V.; Hunt, A.; Jones, J.; Laird, E.; Pegna, D. Lopes; Marlow, D.; Medvedeva, T.; Mooney, M.; Olsen, J.; Piroue, P.; Stickland, D.; Tully, C.; Werner, J. S.; Zuranski, A.] Princeton Univ, Princeton, NJ 08544 USA.
[Acosta, J. G.; Huang, X. T.; Lopez, A.; Mendez, H.; Oliveros, S.; Vargas, J. E. Ramirez; Zatzerklyaniy, A.] Univ Puerto Rico, Mayaguez, PR USA.
[Jones, J.; Alagoz, E.; Barnes, V. E.; Bolla, G.; Borrello, L.; Bortoletto, D.; Everett, A.; Garfinkel, A. F.; Gecse, Z.; Gutay, L.; Koybasi, O.; Laasanen, A. T.; Leonardo, N.; Liu, C.; Maroussov, V.; Merkel, P.; Miller, D. H.; Neumeister, N.; Potamianos, K.; Sedov, A.; Shipsey, I.; Silvers, D.; Yoo, H. D.; Zheng, Y.] Purdue Univ, W Lafayette, IN 47907 USA.
[Jindal, P.; Parashar, N.] Purdue Univ Calumet, Hammond, LA USA.
[Cuplov, V.; Ecklund, K. M.; Geurts, F. J. M.; Liu, J. H.; Matveev, M.; Morales, J.; Padley, B. P.; Redjimi, R.; Roberts, J.] Rice Univ, Houston, TX USA.
[Betchart, B.; Bodek, A.; Chung, Y. S.; de Barbaro, P.; Demina, R.; Flacher, H.; Garcia-Bellido, A.; Gotra, Y.; Han, J.; Harel, A.; Korjenevski, S.; Miner, D. C.; Orbaker, D.; Petrillo, G.; Vishnevskiy, D.; Zielinski, M.] Univ Rochester, Rochester, NY 14627 USA.
[Bhatti, A.; Demortier, L.; Goulianos, K.; Hatakeyama, K.; Lungu, G.; Mesropian, C.; Yan, M.; Atramentov, O.] Rockefeller Univ, New York, NY 10021 USA.
[Atramentov, O.; Gershtein, Y.; Halkiadakis, E.; Hits, D.; Lath, A.; Rose, K.; Schnetzer, S.; Somalwar, S.; Stone, R.; Thomas, S.] Rutgers State Univ, Piscataway, NJ USA.
[Cerizza, G.; Hollingsworth, M.; Spanier, S.; Yang, Z. C.; York, A.] Univ Tennessee, Knoxville, TN USA.
[Asaadi, J.; Eusebi, R.; Gilmore, J.; Gurrola, A.; Kamon, T.; Khotilovich, V.; Nguyen, C. N.; Pivarski, J.; Safonov, A.; Sengupta, S.; Toback, D.; Weinberger, M.] Texas A&M Univ, College Stn, TX USA.
[Akchurin, N.; Jeong, C.; Lee, S. W.; Roh, Y.; Sill, A.; Volobouev, I.; Wigmans, R.; Yazgan, E.] Texas Tech Univ, Lubbock, TX 79409 USA.
[Brownson, E.; Engh, D.; Florez, C.; Johns, W.; Kurt, P.; Sheldon, P.] Vanderbilt Univ, Nashville, TN USA.
[Arenton, M. W.; Balazs, M.; Buehler, M.; Conetti, S.; Cox, B.; Hirosky, R.; Ledovskoy, A.; Neu, C.; Yohay, R.] Univ Virginia, Charlottesville, VA USA.
[Gollapinni, S.; Gunthoti, K.; Harr, R.; Karchin, P. E.; Mattson, M.] Wayne State Univ, Detroit, MI USA.
[Anderson, M.; Bachtis, M.; Bellinger, J. N.; Carlsmith, D.; Dasu, S.; Efron, J.; Flood, K.; Gray, L.; Grogg, K. S.; Grothe, M.; Hall-Wilton, R.; Klabbers, P.; Klukas, J.; Lanaro, A.; Lazaridis, C.; Leonard, J.; Lomidze, D.; Loveless, R.; Mohapatra, A.; Reeder, D.; Savin, A.; Smith, W. H.; Swanson, J.; Weinberg, M.] Univ Wisconsin, Madison, WI USA.
[Darmenov, N.; Kreuzer, P.; Saout, C.; Hajdu, C.; Szillasi, Z.; Lusito, L.; Dallavalle, G. M.; Giunta, M.; Lenzi, P.; Cerati, G. B.; Ghezzi, A.; Malberti, M.; Cimmino, A.; De Gruttola, M.; Bellan, P.; Volpe, R.; Spagnolo, P.; Tenchini, R.; Tonelli, G.; Cavallari, F.; Paramatti, R.; Pereira, A. Vilela; Varela, J.; Virdee, T.; Erhan, S.; Sharma, V.; Hall-Wilton, R.] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland.
Univ Fed ABC, Santo Andre, Brazil.
[Agram, J. -L.; Conte, E.; Drouhin, F.; Fontaine, J. -C.] Univ Haute Alsace, Mulhouse, France.
[Fassi, F.] IN2P3, Villeurbanne, France.
[Zhukov, V.] Moscow MV Lomonosov State Univ, Moscow, Russia.
[Horvath, D.] Inst Nucl Res ATOMKI, Debrecen, Hungary.
[Bhattacharya, S.] Univ Calif San Diego, La Jolla, CA 92093 USA.
[Guchait, M.] Tata Inst Fundamental Res, HECR, Mumbai 400005, Maharashtra, India.
[Maity, M.] Visva Bharati Univ, Santini Ketan, W Bengal, India.
[Colafranceschi, S.] Univ Roma La Sapienza, Fac Ingn, Rome, Italy.
[Fabozzi, F.] Univ Basilicata, I-85100 Potenza, Italy.
[Biasotto, M.; Gulmini, M.; Lacaprara, S.; Maron, G.] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy.
[Dubinin, M.; Spiropulu, M.] CALTECH, Pasadena, CA 91125 USA.
[Puzovic, J.] Univ Belgrade, Fac Phys, Belgrade, Serbia.
[Beaudette, F.] Ecole Polytech, Lab Leprince Ringuet, Palaiseau, France.
Univ Geneva, Geneva, Switzerland.
[Rolandi, G.] Ist Nazl Fis Nucl, Scuola Normale & Sez, Pisa, Italy.
[Sphicas, P.] Univ Athens, Athens, Greece.
[Veres, G. I.] Eotvos Lorand Univ, Budapest, Hungary.
[Sibille, J.] Univ Kansas, Lawrence, KS 66045 USA.
[Starodumov, A.; Nikitenko, A.] Inst Theoret & Expt Phys, Moscow 117259, Russia.
[Caminada, L.; Eggel, C.; Marchica, C.; Trueb, P.] Paul Scherrer Inst, Villigen, Switzerland.
[Milenovic, P.] Vinca Inst Nucl Sci, Belgrade, Serbia.
Mersin Univ, Mersin, Turkey.
Izmir Inst Technol, Izmir, Turkey.
Kafkas Univ, Kars, Turkey.
Suleyman Demirel Univ, TR-32200 Isparta, Turkey.
Ege Univ, Izmir, Turkey.
Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England.
[Pioppi, M.] Univ Perugia, INFN, Sez Perugia, I-06100 Perugia, Italy.
[Musienko, Y.] Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
[Baarmand, M. M.] Inst Studies Theoret Phys & Math IPM, Tehran, Iran.
[Cankocak, K.] Istanbul Tech Univ, TR-80626 Istanbul, Turkey.
[Hatakeyama, K.] Baylor Univ, Waco, TX 76798 USA.
RP Khachatryan, V (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
RI Calderon, Alicia/K-3658-2014; de la Cruz, Begona/K-7552-2014;
Scodellaro, Luca/K-9091-2014; Josa, Isabel/K-5184-2014; Gonzalez Suarez,
Rebeca/L-6128-2014; Calvo Alamillo, Enrique/L-1203-2014; Vogel,
Helmut/N-8882-2014; Marinho, Franciole/N-8101-2014; Ferguson,
Thomas/O-3444-2014; Ragazzi, Stefano/D-2463-2009; Russ,
James/P-3092-2014; Dahms, Torsten/A-8453-2015; Gonzalez Caballero,
Isidro/E-7354-2010; Horvath, Dezso/A-4009-2011; Palinkas,
Jozsef/B-2993-2011; Tinoco Mendes, Andre David/D-4314-2011; kaya,
mithat/D-8062-2011; Ganjour, Serguei/D-8853-2011; Ruiz,
Alberto/E-4473-2011; Stahl, Achim/E-8846-2011; Hektor, Andi/G-1804-2011;
Wulz, Claudia-Elisabeth/H-5657-2011; Chen, Jie/H-6210-2011; Bolton,
Tim/A-7951-2012; Krammer, Manfred/A-6508-2010; Lokhtin,
Igor/D-7004-2012; Zalewski, Piotr/H-7335-2013; Hill,
Christopher/B-5371-2012; Kuleshov, Sergey/D-9940-2013; Troitsky,
Sergey/C-1377-2014; Marlow, Daniel/C-9132-2014; Oguri,
Vitor/B-5403-2013; Janssen, Xavier/E-1915-2013; Alves,
Gilvan/C-4007-2013; Codispoti, Giuseppe/F-6574-2014; Bellan,
Riccardo/G-2139-2014; Gribushin, Andrei/J-4225-2012; Cerrada,
Marcos/J-6934-2014; Montanari, Alessandro/J-2420-2012; Amapane,
Nicola/J-3683-2012; tosi, mia/J-5777-2012; Petrushanko,
Sergey/D-6880-2012; Raidal, Martti/F-4436-2012; Vardanyan,
Irina/K-7981-2012; Novaes, Sergio/D-3532-2012; Della Ricca,
Giuseppe/B-6826-2013; Kadastik, Mario/B-7559-2008; Mundim,
Luiz/A-1291-2012; Santaolalla, Javier/C-3094-2013; Rolandi, Luigi
(Gigi)/E-8563-2013; Kirakosyan, Martin/N-2701-2015; Seixas,
Joao/F-5441-2013; Verwilligen, Piet/M-2968-2014; Sznajder,
Andre/L-1621-2016; Xie, Si/O-6830-2016; Leonardo, Nuno/M-6940-2016; Goh,
Junghwan/Q-3720-2016; Govoni, Pietro/K-9619-2016; Tuominen,
Eija/A-5288-2017; Yazgan, Efe/C-4521-2014; Paulini, Manfred/N-7794-2014;
Gerbaudo, Davide/J-4536-2012; Rovelli, Tiziano/K-4432-2015; Dremin,
Igor/K-8053-2015; Hoorani, Hafeez/D-1791-2013; Vinogradov,
Alexander/M-5331-2015; Altsybeev, Igor/K-6687-2013; Cakir,
Altan/P-1024-2015; TUVE', Cristina/P-3933-2015; Gulmez,
Erhan/P-9518-2015; Arce, Pedro/L-1268-2014; Flix, Josep/G-5414-2012;
Ozdemir, Kadri/P-8058-2014; Konovalova, Nina/D-3882-2014; Paganoni,
Marco/A-4235-2016; Grandi, Claudio/B-5654-2015; Ahmed, Ijaz/E-9144-2015;
Lazzizzera, Ignazio/E-9678-2015; Sen, Sercan/C-6473-2014; D'Alessandro,
Raffaello/F-5897-2015; Trocsanyi, Zoltan/A-5598-2009; Konecki,
Marcin/G-4164-2015; Hernandez Calama, Jose Maria/H-9127-2015; Bedoya,
Cristina/K-8066-2014; Matorras, Francisco/I-4983-2015; My,
Salvatore/I-5160-2015; Muelmenstaedt, Johannes/K-2432-2015; Kodolova,
Olga/D-7158-2012; Dudko, Lev/D-7127-2012; Servoli, Leonello/E-6766-2012;
Tomei, Thiago/E-7091-2012; Focardi, Ettore/E-7376-2012; Padula, Sandra
/G-3560-2012; Fruhwirth, Rudolf/H-2529-2012; Azzi, Patrizia/H-5404-2012;
Torassa, Ezio/I-1788-2012; Giacomelli, Paolo/B-8076-2009; Jeitler,
Manfred/H-3106-2012; Venturi, Andrea/J-1877-2012; de Jesus Damiao,
Dilson/G-6218-2012
OI Scodellaro, Luca/0000-0002-4974-8330; Gonzalez Suarez,
Rebeca/0000-0002-6126-7230; Calvo Alamillo, Enrique/0000-0002-1100-2963;
Vogel, Helmut/0000-0002-6109-3023; Marinho,
Franciole/0000-0002-7327-0349; Ferguson, Thomas/0000-0001-5822-3731;
Ragazzi, Stefano/0000-0001-8219-2074; Russ, James/0000-0001-9856-9155;
Dahms, Torsten/0000-0003-4274-5476; Tinoco Mendes, Andre
David/0000-0001-5854-7699; Ruiz, Alberto/0000-0002-3639-0368; Stahl,
Achim/0000-0002-8369-7506; Hektor, Andi/0000-0001-7873-8118; Wulz,
Claudia-Elisabeth/0000-0001-9226-5812; Krammer,
Manfred/0000-0003-2257-7751; Hill, Christopher/0000-0003-0059-0779;
Kuleshov, Sergey/0000-0002-3065-326X; Troitsky,
Sergey/0000-0001-6917-6600; Codispoti, Giuseppe/0000-0003-0217-7021;
Cerrada, Marcos/0000-0003-0112-1691; Heath, Helen/0000-0001-6576-9740;
Montanari, Alessandro/0000-0003-2748-6373; Amapane,
Nicola/0000-0001-9449-2509; Novaes, Sergio/0000-0003-0471-8549; Della
Ricca, Giuseppe/0000-0003-2831-6982; Mundim, Luiz/0000-0001-9964-7805;
Rolandi, Luigi (Gigi)/0000-0002-0635-274X; Seixas,
Joao/0000-0002-7531-0842; Sznajder, Andre/0000-0001-6998-1108; Xie,
Si/0000-0003-2509-5731; Leonardo, Nuno/0000-0002-9746-4594; Goh,
Junghwan/0000-0002-1129-2083; Govoni, Pietro/0000-0002-0227-1301;
Tuominen, Eija/0000-0002-7073-7767; Yazgan, Efe/0000-0001-5732-7950;
Paulini, Manfred/0000-0002-6714-5787; Gerbaudo,
Davide/0000-0002-4463-0878; Mackay, Catherine/0000-0003-4252-6740;
Rovelli, Tiziano/0000-0002-9746-4842; Altsybeev,
Igor/0000-0002-8079-7026; TUVE', Cristina/0000-0003-0739-3153; Gulmez,
Erhan/0000-0002-6353-518X; Arce, Pedro/0000-0003-3009-0484; Flix,
Josep/0000-0003-2688-8047; Ozdemir, Kadri/0000-0002-0103-1488; Paganoni,
Marco/0000-0003-2461-275X; Grandi, Claudio/0000-0001-5998-3070;
Lazzizzera, Ignazio/0000-0001-5092-7531; Sen,
Sercan/0000-0001-7325-1087; D'Alessandro, Raffaello/0000-0001-7997-0306;
Trocsanyi, Zoltan/0000-0002-2129-1279; Konecki,
Marcin/0000-0001-9482-4841; Hernandez Calama, Jose
Maria/0000-0001-6436-7547; Bedoya, Cristina/0000-0001-8057-9152;
Matorras, Francisco/0000-0003-4295-5668; My,
Salvatore/0000-0002-9938-2680; Muelmenstaedt,
Johannes/0000-0003-1105-6678; Dudko, Lev/0000-0002-4462-3192; Servoli,
Leonello/0000-0003-1725-9185; Tomei, Thiago/0000-0002-1809-5226;
Focardi, Ettore/0000-0002-3763-5267; Azzi, Patrizia/0000-0002-3129-828X;
de Jesus Damiao, Dilson/0000-0002-3769-1680
FU FMSR (Austria); FNRS (Belgium); FWO (Belgium); CNPq (Brazil); CAPES
(Brazil); FAPERJ (Brazil); FAPESP (Brazil); MES (Bulgaria); CERN
(China); CAS (China); MoST (China); NSFC (China); COLCIENCIAS
(Colombia); MSES (Croatia); RPF (Cyprus); Academy of Sciences and NICPB
(Estonia); Academy of Finland, ME, and HIP (Finland); CEA (France);
CNRS/IN2P3 (France); BMBF (Germany); DFG (Germany); HGF (Germany); GSRT
(Greece); OTKA (Hungary); NKTH (Hungary); DAE (India); DST (India); IPM
(Iran); SFI (Ireland); INFN (Italy); NRF (Korea); LAS (Lithuania);
CINVESTAV (Mexico); CONACYT (Mexico); SEP (Mexico); UASLP-FAI (Mexico);
PAEC (Pakistan); SCSR (Poland); FCT (Portugal); JINR (Armenia, Belarus,
Georgia, Ukraine, Uzbekistan); MST (Russia); MAE (Russia); MSTDS
(Serbia); MICINN; CPAN (Spain); Swiss Funding Agencies (Switzerland);
NSC (Taipei); TUBITAK; TAEK (Turkey); STFC (United Kingdom); DOE (USA);
NSF (USA); European Union; Leventis Foundation; A. P. Sloan Foundation;
Alexander von Humboldt Foundation
FX We congratulate and express our gratitude to our colleagues in the CERN
accelerator departments for the excellent performance of the LHC. We
thank the technical and administrative staff at CERN and other CMS
Institutes, and acknowledge support from: FMSR (Austria); FNRS and FWO
(Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria);
CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES
(Croatia); RPF (Cyprus); Academy of Sciences and NICPB (Estonia);
Academy of Finland, ME, and HIP (Finland); CEA and CNRS/IN2P3 (France);
BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NKTH (Hungary);
DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); NRF
(Korea); LAS (Lithuania); CINVESTAV, CONACYT, SEP, and UASLP-FAI
(Mexico); PAEC (Pakistan); SCSR (Poland); FCT (Portugal); JINR (Armenia,
Belarus, Georgia, Ukraine, Uzbekistan); MST and MAE (Russia); MSTDS
(Serbia); MICINN and CPAN (Spain); Swiss Funding Agencies (Switzerland);
NSC (Taipei); TUBITAK and TAEK (Turkey); STFC (United Kingdom); DOE and
NSF (USA). Individuals have received support from the Marie-Curie IEF
program (European Union); the Leventis Foundation; the A. P. Sloan
Foundation; and the Alexander von Humboldt Foundation.
NR 33
TC 97
Z9 97
U1 1
U2 74
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1029-8479
J9 J HIGH ENERGY PHYS
JI J. High Energy Phys.
PD FEB
PY 2010
IS 2
AR 041
DI 10.1007/JHEP02(2010)041
PG 35
WC Physics, Particles & Fields
SC Physics
GA 564NZ
UT WOS:000275223100041
ER
PT J
AU Krohn, D
Thaler, J
Wang, LT
AF Krohn, David
Thaler, Jesse
Wang, Lian-Tao
TI Jet trimming
SO JOURNAL OF HIGH ENERGY PHYSICS
LA English
DT Article
DE Jets; Hadronic Colliders; QCD
ID HADRON-HADRON COLLISIONS; ALGORITHMS
AB Initial state radiation, multiple interactions, and event pileup can contaminate jets and degrade event reconstruction. Here we introduce a procedure, jet trimming, designed to mitigate these sources of contamination in jets initiated by light partons. This procedure is complimentary to existing methods developed for boosted heavy particles. We find that jet trimming can achieve significant improvements in event reconstruction, especially at high energy/luminosity hadron colliders like the LHC.
C1 [Krohn, David; Wang, Lian-Tao] Princeton Univ, Dept Phys, Princeton, NJ 08540 USA.
[Thaler, Jesse] Univ Calif Berkeley, Berkeley Ctr Theoret Phys, Berkeley, CA 94720 USA.
[Thaler, Jesse] Univ Calif Berkeley, Lawrence Berkeley Lab, Theoret Phys Grp, Berkeley, CA 94720 USA.
RP Krohn, D (reprint author), Princeton Univ, Dept Phys, Princeton, NJ 08540 USA.
EM dkrohn@princeton.edu; jthaler@jthaler.net; lianwang@princeton.edu
OI Thaler, Jesse/0000-0002-2406-8160
FU Miller Institute for Basic Research in Science; National Science
Foundation [PHY-0756966]; Department of Energy [DE-FG02-90ER40542]
FX The authors would like to thank Jason Gallicchio, Gavin Salam, Matt
Schwartz, and Peter Skands for useful discussions. J.T. thanks the
Miller Institute for Basic Research in Science for funding support.
L.-T. W. is supported by the National Science Foundation under grant
PHY-0756966 and the Department of Energy under grant DE-FG02-90ER40542.
J.T. and L.-T. W. thank the Aspen Center for Physics for their
hospitality during the initial stages of this work.
NR 28
TC 148
Z9 148
U1 0
U2 0
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1029-8479
J9 J HIGH ENERGY PHYS
JI J. High Energy Phys.
PD FEB
PY 2010
IS 2
AR 084
DI 10.1007/JHEP02(2010)084
PG 21
WC Physics, Particles & Fields
SC Physics
GA 564NZ
UT WOS:000275223100084
ER
PT J
AU Mernild, SH
Liston, GE
Hiemstra, CA
Christensen, JH
AF Mernild, Sebastian H.
Liston, Glen E.
Hiemstra, Christopher A.
Christensen, Jens H.
TI Greenland Ice Sheet Surface Mass-Balance Modeling in a 131-Yr
Perspective, 1950-2080
SO JOURNAL OF HYDROMETEOROLOGY
LA English
DT Article
ID RIVER DRAINAGE-BASIN; SNOW-TRANSPORT MODEL; CLIMATE MODEL; BLOWING-SNOW;
COMPLEX TERRAIN; MITTIVAKKAT GLACIER; AMMASSALIK ISLAND; UPPER TREELINE;
UNITED-STATES; ARCTIC TUNDRA
AB Fluctuations in the Greenland ice sheet (GrIS) surface mass balance (SMB) and freshwater influx to the surrounding oceans closely follow climate fluctuations and are of considerable importance to the global eustatic sea level rise. A state-of-the-art snow-evolution modeling system(SnowModel) was used to simulate variations in the GrIS melt extent, surface water balance components, changes in SMB, and freshwater influx to the ocean. The simulations are based on the Intergovernmental Panel on Climate Change scenario A1B modeled by the HIRHAM4 regional climate model (RCM) using boundary conditions from the ECHAM5 atmosphere-ocean general circulation model (AOGCM) from 1950 through 2080. In situ meteorological station [Greenland Climate Network (GC-Net) and World Meteorological Organization (WMO) Danish Meteorological Institute (DMI)] observations from inside and outside the GrIS were used to validate and correct RCM output data before they were used as input for SnowModel. Satellite observations and independent SMB studies were used to validate the SnowModel output and confirm the model's robustness. The authors simulated an; 90% increase in end-of-summer surface melt extent (0.483 x 10(6) km(2)) from 1950 to 2080 and a melt index (above 2000-m elevation) increase of 138% (1.96 x 10(6) km(2) x days). The greatest difference in melt extent occurred in the southern part of the GrIS, and the greatest changes in the number of melt days were seen in the eastern part of the GrIS (similar to 50%-70%) and were lowest in the west (similar to 20%-30%). The rate of SMB loss, largely tied to changes in ablation processes, leads to an enhanced average loss of 331 km(3) from 1950 to 2080 and an average SMB level of 299 km(3) for the period 2070-80. GrIS surface freshwater runoff yielded a eustatic rise in sea level from 0.8 +/- 0.1 (1950-59) to 1.9 +/- 0.1 mm (2070-80) sea level equivalent (SLE) yr(-1). The accumulated GrIS freshwater runoff contribution from surface melting equaled 160-mm SLE from 1950 through 2080.
C1 [Mernild, Sebastian H.] Univ Alaska Fairbanks, Int Arctic Res Ctr, Fairbanks, AK USA.
[Mernild, Sebastian H.] Univ Alaska Fairbanks, Water & Environm Res Ctr, Fairbanks, AK USA.
[Liston, Glen E.; Hiemstra, Christopher A.] Colorado State Univ, Cooperat Inst Res Atmosphere, Ft Collins, CO 80523 USA.
[Christensen, Jens H.] Danish Meteorol Inst, Danish Climate Ctr, Copenhagen, Denmark.
RP Mernild, SH (reprint author), Los Alamos Natl Lab, Climate Ocean & Sea Ice Modeling Grp, Computat Phys Methods CCS 2, Mail Stop B296, Los Alamos, NM 87545 USA.
EM mernild@lanl.gov
RI Christensen, Jens/C-4162-2013
OI Christensen, Jens/0000-0002-9908-8203
FU University of Alaska Presidential IPY Postdoctoral Foundation;
University of Alaska Fairbanks (UAF) Office of the Vice Chancellor for
Research
FX Very special thanks to the three anonymous reviewers for their
insightful critique of this article. This work was supported by grants
from the University of Alaska Presidential IPY Postdoctoral Foundation
and the University of Alaska Fairbanks (UAF) Office of the Vice
Chancellor for Research and conducted during the first author's IPY Post
Doctorate Program at the UAF. Special thanks to the faculty of science
and Institute of Low Temperature Science, Hokkido University, Japan, for
hosting the first author from April through July 2008 and to Colorado
State University, Cooperative Institute for Research in the Atmosphere,
for hosting the first author through September and October 2008, and
February 2009. Thanks to Martin Stendel and John Cappelen at the Danish
Meteorological Institute (DMI) for providing HIRHAM4 RCM data and WMO
meteorological data obtained from the near coast, and to the Cooperative
Institute for Research in Environmental Science (CIRES), University of
Colorado at Boulder, for providing meteorological data from the
Greenland Climate Network (GC-Net) automatic weather stations. Also,
thanks to Theodore Scambos, CIRES, University of Colorado at Boulder,
for providing the Greenland digital elevation model.
NR 123
TC 47
Z9 47
U1 2
U2 9
PU AMER METEOROLOGICAL SOC
PI BOSTON
PA 45 BEACON ST, BOSTON, MA 02108-3693 USA
SN 1525-755X
EI 1525-7541
J9 J HYDROMETEOROL
JI J. Hydrometeorol.
PD FEB
PY 2010
VL 11
IS 1
BP 3
EP 25
DI 10.1175/2009JHM1140.1
PG 23
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 566BN
UT WOS:000275344800001
ER
PT J
AU Carroll-Portillo, A
Spendier, K
Pfeiffer, J
Griffiths, G
Li, HT
Lidke, KA
Oliver, JM
Lidke, DS
Thomas, JL
Wilson, BS
Timlin, JA
AF Carroll-Portillo, Amanda
Spendier, Kathrin
Pfeiffer, Janet
Griffiths, Gary
Li, Haitao
Lidke, Keith A.
Oliver, Janet M.
Lidke, Diane S.
Thomas, James L.
Wilson, Bridget S.
Timlin, Jerilyn A.
TI Formation of a Mast Cell Synapse: Fc epsilon RI Membrane Dynamics upon
Binding Mobile or Immobilized Ligands on Surfaces
SO JOURNAL OF IMMUNOLOGY
LA English
DT Article
ID BASOPHIL LEUKEMIA-CELLS; IMMUNOLOGICAL SYNAPSE; LIPID RAFTS; T-CELLS;
SIGNALING MOLECULES; ELECTRON-MICROSCOPY; LATERAL MOBILITY;
PLASMA-MEMBRANE; CULTURED-CELLS; CROSS-LINKING
AB Fc epsilon RI on mast cells form a synapse when presented with mobile, bilayer-incorporated Ag. In this study, we show that receptor reorganization within the contacting mast cell membrane is markedly different upon binding of mobile and immobilized ligands. Rat basophilic leukemia mast cells primed with fluorescent anti-DNP IgE were engaged by surfaces presenting either bilayer-incorporated, monovalent DNP-lipid (mobile ligand), or chemically cross-linked, multivalent DNP (immobilized ligand). Total internal reflection fluorescence imaging and electron microscopy methods were used to visualize receptor reorganization at the contact site. The spatial relationships of FC epsilon RI to other cellular components at the synapse, such as actin, cholesterol, and linker for activation of T cells, were also analyzed. Stimulation of mast cells with immobilized polyvalent ligand resulted in typical levels of degranulation. Remarkably, degranulation also followed interaction of mast cells, with bilayers presenting mobile, monovalent ligand. Receptors engaged with mobile ligand coalesce into large, cholesterol-rich clusters that occupy the central portion of the contacting membrane. These data indicate that FceRI cross-linking is not an obligatory step in triggering mast cell signaling and suggest that dense populations of mobile receptors are capable of initiating low-level degranulation upon ligand recognition. The Journal of Immunology, 2010,184: 1328-1338.
C1 [Carroll-Portillo, Amanda; Pfeiffer, Janet; Oliver, Janet M.; Lidke, Diane S.; Wilson, Bridget S.] Univ New Mexico, Dept Pathol, Albuquerque, NM 87131 USA.
[Spendier, Kathrin; Lidke, Keith A.; Thomas, James L.] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA.
[Carroll-Portillo, Amanda; Timlin, Jerilyn A.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Griffiths, Gary; Li, Haitao] NHLBI, Imaging Probe Dev Ctr, NIH, Bethesda, MD 20892 USA.
RP Wilson, BS (reprint author), Univ New Mexico, Hlth Sci Ctr, Dept Pathol, Albuquerque, NM 87114 USA.
EM bwilson@salud.unm.edu; jatimli@sandia.gov
FU Laboratory Directed Research and Development program at Sandia National
Laboratories; National Institutes of Health [R01A1051575, P50GM085273];
Human Frontiers Science Program; Army Research Office [W911NF0510464];
New Mexico Spatiotemporal Modeling Center; National Center for Research
Resources [I S10 RR14668, P20 RR11830, S 10 RR016918]; National Science
Foundation [MCB9982161]; National Cancer Institute [P30 CA118100];
University of New Mexico Health Sciences Center; University of New
Mexico Cancer Center
FX This work was supported in part by the Laboratory Directed Research and
Development program at Sandia National Laboratories (to J.A.T.), by
National Institutes of Health Grant R01A1051575 (to B.S.W.), by the
Human Frontiers Science Program (to D.S.L.), by the Army Research Office
Grant W911NF0510464 (to K.S.), and by National Institutes of Health
Grant P50GM085273 supporting the New Mexico Spatiotemporal Modeling
Center. Sandia is a multiprogram laboratory operated by Sandia
Corporation, a Lockheed Martin Company, for the U.S, Department of
Energy's National Nuclear Security Administration under Contract
DE-AC04-94AL85000. The Cancer Center Fluorescence Microscopy Facility
received support from National Center for Research Resources Grant I S10
RR14668, National Science Foundation Grant MCB9982161, National Center
for Research Resources Grant P20 RR11830, National Cancer Institute
Grant P30 CA118100, National Center for Research Resources Grant S 10
RR016918, the University of New Mexico Health Sciences Center, and the
University of New Mexico Cancer Center.
NR 77
TC 25
Z9 25
U1 0
U2 4
PU AMER ASSOC IMMUNOLOGISTS
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814 USA
SN 0022-1767
J9 J IMMUNOL
JI J. Immunol.
PD FEB 1
PY 2010
VL 184
IS 3
BP 1328
EP 1338
DI 10.4049/jimmunol.0903071
PG 11
WC Immunology
SC Immunology
GA 548JA
UT WOS:000273956400025
PM 20042583
ER
PT J
AU Zhang, Q
Bilki, B
Butler, J
May, E
Mavromanolakis, G
Norbeck, E
Repond, J
Underwood, D
Xia, L
AF Zhang, Q.
Bilki, B.
Butler, J.
May, E.
Mavromanolakis, G.
Norbeck, E.
Repond, J.
Underwood, D.
Xia, L.
TI Environmental dependence of the performance of resistive plate chambers
SO JOURNAL OF INSTRUMENTATION
LA English
DT Article
DE Calorimeters; Gaseous imaging and tracking detectors
ID TEMPERATURE-DEPENDENCE; COSMIC-RAYS; RPC
AB This paper reports on the performance of Resistive Plate Chambers (RPCs) as function of the gas flow rate through the chambers and of environmental conditions, such as atmospheric pressure, ambient temperature and air humidity. The chambers are read out by pads with an area of 1 x 1 cm(2) and 1-bit resolution per pad (binary readout). The performance measures include the noise rate as well as the detection efficiency and pad multiplicity for cosmic rays. The measurements extended over a period of almost one year and are sensitive to possible long-term aging effects.
C1 [Zhang, Q.; May, E.; Repond, J.; Underwood, D.; Xia, L.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Butler, J.] Boston Univ, Boston, MA 02215 USA.
[Mavromanolakis, G.] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
[Bilki, B.; Norbeck, E.] Univ Iowa, Iowa City, IA 52242 USA.
[Zhang, Q.] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
[Mavromanolakis, G.] Univ Cambridge, Cavendish Lab, Cambridge CB3 OHE, England.
RP Repond, J (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM repond@hep.anl.gov
OI Bilki, Burak/0000-0001-9515-3306
FU U.S. Department of Energy Office of Science laboratory
[DE-AC02-06CH11357]
FX The submitted manuscript has been created by U. Chicago Argonne, LLC,
Operator of Argonne National Laboratory ("Argonne"). Argonne, a U.S.
Department of Energy Office of Science laboratory, is operated under
Contract No. DE-AC02-06CH11357. The U.S. Government retains for itself,
and others acting on its behalf, a paid-up nonexclusive, irrevocable
worldwide license in said article to reproduce, prepare derivative
works, distribute copies to the public, and perform publicly and display
publicly, by or on behalf of the Government.
NR 16
TC 6
Z9 6
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 1748-0221
J9 J INSTRUM
JI J. Instrum.
PD FEB
PY 2010
VL 5
AR P02007
DI 10.1088/1748-0221/5/02/P02007
PG 14
WC Instruments & Instrumentation
SC Instruments & Instrumentation
GA 562BU
UT WOS:000275024900002
ER
PT J
AU Santore, R
McKee, M
Bjornstad, D
AF Santore, Rudy
McKee, Michael
Bjornstad, David
TI Patent Pools as a Solution to Efficient Licensing of Complementary
Patents? Some Experimental Evidence
SO JOURNAL OF LAW & ECONOMICS
LA English
DT Article
ID RESEARCH TOURNAMENTS; PROPERTY-RIGHTS; HOLDUP
AB Production requiring licensing groups of complementary patents implements a coordination game among patent holders, who can price patents by choosing among combinations of fixed and royalty fees. Summed across patents, these fees become the total producer cost of the package of patents. Royalties, because they function as excise taxes, add to marginal costs, resulting in higher prices and reduced quantities of the downstream product and lower payoffs to the patent holders. Using fixed fees eliminates this inefficiency but yields a more complex coordination game in which there are multiple equilibria, which are very fragile in that small mistakes can lead the downstream firm to not license the technology, resulting in inefficient outcomes. We report on a laboratory market investigation of the efficiency effects of coordinated pricing of patents in a patent pool. We find that pool-like pricing agreements can yield fewer coordination failures in the pricing of complementary patents.
C1 [Santore, Rudy] Univ Tennessee, Knoxville, TN 37996 USA.
[McKee, Michael] Appalachian State Univ, Boone, NC 28608 USA.
[Bjornstad, David] Oak Ridge Natl Lab, Oak Ridge, TN USA.
RP Santore, R (reprint author), Univ Tennessee, Knoxville, TN 37996 USA.
NR 28
TC 0
Z9 0
U1 4
U2 19
PU UNIV CHICAGO PRESS
PI CHICAGO
PA 1427 E 60TH ST, CHICAGO, IL 60637-2954 USA
SN 0022-2186
J9 J LAW ECON
JI J. Law Econ.
PD FEB
PY 2010
VL 53
IS 1
BP 167
EP 183
PG 17
WC Economics; Law
SC Business & Economics; Government & Law
GA 618WO
UT WOS:000279387000006
ER
PT J
AU Graf, MJ
Nussinov, Z
Balatsky, AV
AF Graf, M. J.
Nussinov, Z.
Balatsky, A. V.
TI The Glassy Response of Solid He-4 to Torsional Oscillations
SO JOURNAL OF LOW TEMPERATURE PHYSICS
LA English
DT Article
DE Torsion oscillator; Solid He-4; Glass; Supersolid
ID NONCLASSICAL ROTATIONAL INERTIA; BOSE-EINSTEIN CONDENSATION; HELIUM;
SUPERFLUIDITY; BEHAVIOR; CRYSTALS; SEARCH
AB We calculated the glassy response of solid He-4 to torsional oscillations assuming a phenomenological glass model. Making only a few assumptions about the distribution of glassy relaxation times in a small subsystem of otherwise rigid solid He-4, we can account for the magnitude of the observed period shift and concomitant dissipation peak in several torsion oscillator experiments. The implications of the glass model for solid He-4 are threefold: (1) The dynamics of solid He-4 is governed by glassy relaxation processes. (2) The distribution of relaxation times varies significantly between different torsion oscillator experiments. (3) The mechanical response of a torsion oscillator does not require a supersolid component to account for the observed anomaly at low temperatures, though we cannot rule out its existence.
C1 [Graf, M. J.; Balatsky, A. V.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Nussinov, Z.] Washington Univ, Dept Phys, St Louis, MO 63160 USA.
[Balatsky, A. V.] Los Alamos Natl Lab, CINT, Los Alamos, NM 87545 USA.
RP Balatsky, AV (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
EM graf@lanl.gov; alatsky@gmail.com
FU US Dept. of Energy at Los Alamos National Laboratory
[DE-AC52-06NA25396]; Center for Materials Innovation (CMI) of Washington
University, St. Louis
FX This work was partially supported by the by the US Dept. of Energy at
Los Alamos National Laboratory under contract No. DE-AC52-06NA25396 and
by the Center for Materials Innovation (CMI) of Washington University,
St. Louis.; We are grateful to A. T. Dorsey, S. E. Korshunov, J.
Beamish, J. M. Goodkind, H. Kojima and J. C. Davis for many stimulating
discussions on this topic.
NR 48
TC 20
Z9 20
U1 0
U2 0
PU SPRINGER/PLENUM PUBLISHERS
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0022-2291
J9 J LOW TEMP PHYS
JI J. Low Temp. Phys.
PD FEB
PY 2010
VL 158
IS 3-4
BP 550
EP 559
DI 10.1007/s10909-009-9958-z
PG 10
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 539GW
UT WOS:000273243000029
ER
PT J
AU Curro, NJ
Young, BL
Urbano, RR
Graf, MJ
AF Curro, Nicholas J.
Young, Ben-Li
Urbano, Ricardo R.
Graf, Matthias J.
TI Hyperfine Fields and Magnetic Structure in the B Phase of CeCoIn5
SO JOURNAL OF LOW TEMPERATURE PHYSICS
LA English
DT Article
DE NMR; Superconductivity; Heavy fermion; Magnetism
ID SUPERCONDUCTIVITY; ORDER
AB We re-analyze Nuclear Magnetic Resonance (NMR) spectra observed at low temperatures and high magnetic fields in the field-induced B phase of CeCoIn5. The NMR spectra are consistent with incommensurate antiferromagnetic order of the Ce magnetic moments. However, we find that the spectra of the In(2) sites depend critically on the direction of the ordered moments, the ordering wavevector and the symmetry of the hyperfine coupling to the Ce spins. Assuming isotropic hyperfine coupling, the NMR spectra observed for H parallel to [100] are consistent with magnetic order with wavevector Q = pi (1+delta/a, 1/a, 1/c) and Ce moments ordered antiferromagnetically along the [100] direction in real space. If the hyperfine coupling has dipolar symmetry, then the NMR spectra require Ce moments along the [ 001] direction. The dipolar scenario is also consistent with recent neutron scattering measurements that find an ordered moment of 0.15 mu(B) along [001] and Q(n) = pi(1+delta/a, 1+delta/a, 1/c) with in-commensuration delta = 0.12 for field H parallel to [1 (1) over bar0]. Using these parameters, we find that a hyperfine field with dipolar contribution is consistent with findings from both experiments. We speculate that the B phase of CeCoIn5 represents an intrinsic phase of modulated superconductivity and antiferromagnetism that can only emerge in a highly clean system.
C1 [Graf, Matthias J.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Curro, Nicholas J.] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA.
[Young, Ben-Li] Natl Chiao Tung Univ, Dept Electrophys, Hsinchu 30010, Taiwan.
[Urbano, Ricardo R.] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA.
RP Graf, MJ (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
EM curro@physics.ucdavis.edu; blyoung@mail.nctu.edu.tw;
urbano@magnet.fsu.edu; graf@lanl.gov
RI Urbano, Ricardo/F-5017-2012; Curro, Nicholas/D-3413-2009
OI Curro, Nicholas/0000-0001-7829-0237
FU Los Alamos National Laboratory; US Department of Energy
[DE-AC52-06NA25396]
FX We would like to thank R. Movshovich, V. Mitrovic, and M. Kenzelmann for
valuable discussions and sharing their results. Work at Los Alamos
National Laboratory was performed under the auspices of the US
Department of Energy under grant no. DE-AC52-06NA25396.
NR 31
TC 5
Z9 5
U1 1
U2 3
PU SPRINGER/PLENUM PUBLISHERS
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0022-2291
J9 J LOW TEMP PHYS
JI J. Low Temp. Phys.
PD FEB
PY 2010
VL 158
IS 3-4
BP 635
EP 646
DI 10.1007/s10909-009-9967-y
PG 12
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 539GW
UT WOS:000273243000039
ER
PT J
AU Yin, L
Xia, JS
Sullivan, NS
Zapf, VS
Paduan-Filho, A
AF Yin, L.
Xia, J. S.
Sullivan, N. S.
Zapf, V. S.
Paduan-Filho, A.
TI Magnetic Susceptibility Measurements at Ultra-low Temperatures
SO JOURNAL OF LOW TEMPERATURE PHYSICS
LA English
DT Article
DE AC susceptibility; Ultra-low temperature
AB We report the design and operation of a device for ac magnetic susceptibility measurements that can operate down to 1 mK. The device, a modification of the standard mutual inductance bridge, is designed with detailed consideration of the thermalization and optimization of each element. First, in order to reduce local heating, the primary coil is made with superconducting wire. Second, a low-temperature transformer which is thermally anchored to the mixing chamber of a dilution refrigerator, is used to match the output of the secondary coil to a high-sensitivity bridge detector. The careful thermal anchoring of the secondary coil and the matching transformer is required to reduce the overall noise temperature and maximize sensitivity. The sample is immersed in liquid (3)He to minimize the Kapitza thermal resistance. The magnetic susceptibility of several magnetic compounds, such as the well-known spin gap compound NiCl(2)-4SC(NH(2))(2) and other powdered samples, have been successfully measured to temperatures well below 10 mK.
C1 [Yin, L.; Xia, J. S.; Sullivan, N. S.] Univ Florida, Natl High Magnet Field Lab, Gainesville, FL 32611 USA.
[Zapf, V. S.] Los Alamos Natl Lab, Natl High Magnet Field Lab, Los Alamos, NM 87545 USA.
[Paduan-Filho, A.] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil.
RP Yin, L (reprint author), Univ Florida, Natl High Magnet Field Lab, Gainesville, FL 32611 USA.
EM yin@phys.ufl.edu; jsxia@phys.ufl.edu; sullivan@phys.ufl.edu
RI YIN, LIANG/G-7585-2011; PaduanFilho, Armando/H-2443-2011; Zapf,
Vivien/K-5645-2013
OI Zapf, Vivien/0000-0002-8375-4515
FU NSF [DMR 0654118]; State of Florida
FX This research was carried out at the NHMFL High B/T Facility at the
University of Florida which is supported by NSF Grant DMR 0654118 and by
the State of Florida.
NR 7
TC 5
Z9 5
U1 2
U2 7
PU SPRINGER/PLENUM PUBLISHERS
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0022-2291
J9 J LOW TEMP PHYS
JI J. Low Temp. Phys.
PD FEB
PY 2010
VL 158
IS 3-4
BP 710
EP 715
DI 10.1007/s10909-009-0029-2
PG 6
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 539GW
UT WOS:000273243000046
ER
PT J
AU Wu, YF
Kim, GY
Anderson, IE
Lograsso, TA
AF Wu, Yufeng
Kim, Gap-Yong
Anderson, Iver E.
Lograsso, Thomas A.
TI Experimental Study on Viscosity and Phase Segregation of Al-Si Powders
in Microsemisolid Powder Forming
SO JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE
ASME
LA English
DT Article
DE design of experiments; forming processes; powder technology; viscosity
ID FINITE-ELEMENT-ANALYSIS; SN-15 PCT PB; RHEOLOGICAL BEHAVIOR; SEMISOLID
STATE; BACK EXTRUSION; ALUMINUM-ALLOY; SHEAR RATES; MUSHY ZONE;
DEFORMATION; COMPOSITES
AB Semisolid powder forming is a promising approach for near-net shape forming of features in macro-/microscale. In this paper, viscosity and phase segregation behavior of Al-Si powders in the semisolid state were studied with back extrusion experiments. The effects of process parameters including shear rate, extrusion ratio, heating time, and precompaction pressure were analyzed using the design of experiments method. The results showed that the effects of shear rate, extrusion, ratio and heating time were statistically significant factors influencing the viscosity. The semisolid state powders showed a shear thinning behavior. Moreover, microstructure analysis of extruded parts indicated severe phase segregation during the forming process. As the extrusion opening became small (similar to 400 mu m), the phase segregation increased. This study expanded the semisolid processing technology by exploring the use of powdered materials instead of typical bulk materials for applications in micro-/mesomanufacturing. Replacing bulk materials with powdered materials may add a new dimension to the technique by allowing tailoring of material properties.
C1 [Wu, Yufeng; Kim, Gap-Yong] Iowa State Univ, Dept Mech Engn, Ames, IA 50010 USA.
[Lograsso, Thomas A.] Iowa State Univ, US Dept Energy, Ames Lab, Ames, IA 50010 USA.
RP Wu, YF (reprint author), Iowa State Univ, Dept Mech Engn, Ames, IA 50010 USA.
EM andywu@iastate.edu; gykim@iastate.edu; andersoni@ameslab.gov;
lograsso@ameslab.gov
RI wu, yufeng/K-5003-2013
FU U.S. Department of Energy; Iowa State University [DE-AC02-07CH11358]
FX The authors greatly appreciate the financial support from Ames
Laboratory of the U.S. Department of Energy. Ames Laboratory is operated
for the U.S. DOE by Iowa State University under Contract No.
DE-AC02-07CH11358.
NR 45
TC 5
Z9 5
U1 0
U2 7
PU ASME-AMER SOC MECHANICAL ENG
PI NEW YORK
PA THREE PARK AVE, NEW YORK, NY 10016-5990 USA
SN 1087-1357
J9 J MANUF SCI E-T ASME
JI J. Manuf. Sci. Eng.-Trans. ASME
PD FEB
PY 2010
VL 132
IS 1
AR 011003
DI 10.1115/1.4000636
PG 7
WC Engineering, Manufacturing; Engineering, Mechanical
SC Engineering
GA 555PE
UT WOS:000274524200003
ER
PT J
AU Barabasha, RI
Bei, HB
Gao, YF
Ice, GE
George, EP
AF Barabasha, Rozaliya I.
Bei, Hongbin
Gao, Yanfei
Ice, Gene E.
George, Easo P.
TI 3D x-ray microprobe investigation of local dislocation densities and
elastic strain gradients in a NiAl-Mo composite and exposed Mo
micropillars as a function of prestrain
SO JOURNAL OF MATERIALS RESEARCH
LA English
DT Article
ID MECHANICAL-PROPERTIES; NICKEL MICROCRYSTALS; DEFORMATION; BEHAVIOR;
STRENGTH; DAMAGE; ALLOY
AB 3D spatially-resolved polychromatic microdiffraction was used to nondestructively obtain depth-dependent elastic strain gradients and dislocation densities in the constituent phases of a directionally solidified NiAl-Mo eutectic composite consisting of similar to 500-800 nm Mo fibers in a NiAl matrix. Measurements were made before and after the composite was compressed by 5% and 11%. The Mo fibers were analyzed both in their embedded state and after the matrix was etched to expose them as pillars. In the as-grown composite, due to differential thermal contraction during cooldown, the Mo phase is under compression and the NiAl phase is in tension. After the prestrains, the situation is reversed with the Mo phase in tension and NiAl matrix in compression. This result can be explained by taking into account the mismatch in yield strains of the constituent phases and the elastic constraints during unloading. The dislocation density in both the Mo and NiAl phases is found to increase after prestraining. Within experimental uncertainty there is little discernible difference in the total dislocation densities in the Mo phase of the 5% and 11% prestrained specimens. However, the density of the geometrically necessary dislocations and the deviatoric strain gradients increase with increasing prestrain in both the Mo and NiAl phases.
C1 [Barabasha, Rozaliya I.; Bei, Hongbin; Ice, Gene E.; George, Easo P.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Barabasha, Rozaliya I.; Gao, Yanfei; George, Easo P.] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
[Gao, Yanfei] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37831 USA.
RP Barabasha, RI (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
EM Barabashr@ornl.gov; Beih@ornl.gov
RI Gao, Yanfei/F-9034-2010; George, Easo/L-5434-2014
OI Gao, Yanfei/0000-0003-2082-857X; Bei, Hongbin/0000-0003-0283-7990;
NR 28
TC 13
Z9 13
U1 2
U2 12
PU MATERIALS RESEARCH SOC
PI WARRENDALE
PA 506 KEYSTONE DR, WARRENDALE, PA 15086 USA
SN 0884-2914
J9 J MATER RES
JI J. Mater. Res.
PD FEB
PY 2010
VL 25
IS 2
BP 199
EP 206
DI 10.1557/JMR.2010.0043
PG 8
WC Materials Science, Multidisciplinary
SC Materials Science
GA 550FT
UT WOS:000274114400001
ER
PT J
AU Zhang, J
Wang, YQ
Tang, M
Won, JH
Valdez, JA
Sickafus, KE
AF Zhang, Jian
Wang, Yongqiang
Tang, Ming
Won, Jonghan
Valdez, James A.
Sickafus, Kurt E.
TI Order-to-disorder transformation in delta-phase Sc4Zr3O12 induced by
light ion irradiation
SO JOURNAL OF MATERIALS RESEARCH
LA English
DT Article
ID RADIATION TOLERANCE; CERAMIC INSULATORS; CRYSTAL-STRUCTURES; ZIRCONIA;
SPECTRUM; OXIDES; DAMAGE; MICROSTRUCTURE; PLUTONIUM; WASTE
AB Polycrystalline delta-phase Sc4Zr3O12 was irradiated with 200 keV Ne+ ions at cryogenic temperature to fluences ranging from 2 x 10(18) to 1 x 10(21) Ne/m(2). Irradiation-induced structural evolution was examined by using grazing incidence x-ray diffraction and crosssectional transmission electron microscopy. An order-to-disorder (O-D) crystal structure transformation (from an ordered 8-phase to a disordered, fluorite phase) was observed to initiate by a fluence of 2 x 1018 Ne/m(2), corresponding to a peak ballistic damage dose of similar to 0.075 displacements per atom. This displacement damage dose is much lower than the O-D transformation dose threshold found in previous heavy ion irradiation experiments on delta-Sc4Zr3O12 [J.A. Valdez et al., Nucl. Instrum. Methods B 250, 148 (2006); K.E. Sickafus et al., Nat. Mater. 6, 217 (2007)]. In this study, we contrast the O-D transformation efficiency of the light Ne ions used in these experiments, to the heavy (Kr) ions used previously, and interpret the differences in terms of enhanced damage efficiency for light ions (greater fraction of surviving defects per defect produced). To better quantify this surviving defect phenomenon, we also present new, additional ion irradiation results on delta-Sc4Zr3O12, obtained from 300 keV Kr2+ and 100 keV He+ ion irradiation experiments.
C1 [Zhang, Jian] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Gansu, Peoples R China.
[Zhang, Jian; Wang, Yongqiang; Tang, Ming; Won, Jonghan; Valdez, James A.; Sickafus, Kurt E.] Los Alamos Natl Lab, Div Mat Sci & Technol, Los Alamos, NM 87545 USA.
RP Zhang, J (reprint author), Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Gansu, Peoples R China.
EM zhang_j@lanl.gov
OI won, Jonghan/0000-0002-7612-1322
FU U.S. Department of Energy, Office of Basic Energy Sciences, Division of
Materials Sciences and Engineering; China Scholarship Council; Ministry
of Education of the People's Republic of China
FX This work was sponsored by the U.S. Department of Energy, Office of
Basic Energy Sciences, Division of Materials Sciences and Engineering.
Partial support was provided to J.Z. by the China Scholarship Council, a
nonprofit organization affiliated with the Ministry of Education of the
People's Republic of China.
NR 28
TC 9
Z9 9
U1 1
U2 8
PU CAMBRIDGE UNIV PRESS
PI NEW YORK
PA 32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013-2473 USA
SN 0884-2914
J9 J MATER RES
JI J. Mater. Res.
PD FEB
PY 2010
VL 25
IS 2
BP 248
EP 254
DI 10.1557/JMR.2010.0027
PG 7
WC Materials Science, Multidisciplinary
SC Materials Science
GA 550FT
UT WOS:000274114400009
ER
PT J
AU Stemshorn, AK
Tsoi, G
Vohra, YK
Sinogeiken, S
Wu, PM
Huang, YL
Rao, SM
Wu, MK
Yeh, KW
Weir, ST
AF Stemshorn, Andrew K.
Tsoi, Georgiy
Vohra, Yogesh K.
Sinogeiken, Stanislav
Wu, Phillip M.
Huang, Yilin
Rao, Sistla M.
Wu, Maw-Kuen
Yeh, Kuo W.
Weir, Samuel T.
TI Low temperature amorphization and superconductivity in FeSe single
crystals at high pressures
SO JOURNAL OF MATERIALS RESEARCH
LA English
DT Article
ID PHASE; COPPER; METAL
AB In this study, we report low temperature x-ray diffraction studies combined with electrical resistance measurements on single crystals of iron-based layered superconductor FeSe to a temperature of 10 K and a pressure of 44 GPa. The low temperature high pressure x-ray diffraction studies were performed using a synchrotron source and superconductivity at high pressure was studied using designer diamond anvils. At ambient temperature, the FeSe sample shows a phase transformation from a PbO-type tetragonal phase to a NiAs-type hexagonal phase at 10 +/- 2 GPa. On cooling, a structural distortion from a PbO-type tetragonal phase to an orthorhombic Cmma phase is observed below 100 K. At a low temperature of 10 K, compression of the orthorhombic Cmma phase results in a gradual transformation to an amorphous phase above 15 GPa. The transformation to the amorphous phase is completed by 40 GPa at 10 K. A loss of superconductivity is observed in the amorphous phase and a dramatic change in the temperature behavior of electrical resistance indicates formation of a semiconducting state at high pressures and low temperatures. The formation of the amorphous phase is attributed to a kinetic hindrance to the growth of a hexagonal NiAs phase under high pressures and low temperatures.
C1 [Stemshorn, Andrew K.; Tsoi, Georgiy; Vohra, Yogesh K.] Univ Alabama, Dept Phys, Birmingham, AL 35294 USA.
[Sinogeiken, Stanislav] Argonne Natl Lab, Adv Photon Source, HPCAT, Argonne, IL 60439 USA.
[Wu, Phillip M.] Duke Univ, Dept Phys, Durham, NC 27708 USA.
[Huang, Yilin; Rao, Sistla M.; Wu, Maw-Kuen; Yeh, Kuo W.] Acad Sinica, Inst Phys, Taipei 115, Taiwan.
[Weir, Samuel T.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Vohra, YK (reprint author), Univ Alabama, Dept Phys, Birmingham, AL 35294 USA.
EM ykvohra@uab.edu
RI Weir, Samuel/H-5046-2012; Wu, Phillip/M-9431-2014
OI Wu, Phillip/0000-0002-3210-9823
FU National Nuclear Security Administration under the Stewardship Science
Academic Alliances program through the U.S. Department of Energy (DOE)
[DE-FG52 10NA29660]; Carnegie/DOE Alliance Center (CDAC)
[DE-FC52-08NA28554]
FX This research was sponsored in part by the National Nuclear Security
Administration under the Stewardship Science Academic Alliances program
through the U.S. Department of Energy (DOE) Grant No. DE-FG52 10NA29660.
Andrew Stemshorn acknowledges support from the Carnegie/DOE Alliance
Center (CDAC) under Grant No. DE-FC52-08NA28554. Portions of this work
were performed at HPCAT (Sector 16), Advanced Photon Source (APS),
Argonne National Laboratory.
NR 19
TC 6
Z9 6
U1 2
U2 17
PU MATERIALS RESEARCH SOC
PI WARRENDALE
PA 506 KEYSTONE DR, WARRENDALE, PA 15086 USA
SN 0884-2914
J9 J MATER RES
JI J. Mater. Res.
PD FEB
PY 2010
VL 25
IS 2
BP 396
EP 400
DI 10.1557/JMR.2010.0044
PG 5
WC Materials Science, Multidisciplinary
SC Materials Science
GA 550FT
UT WOS:000274114400028
ER
PT J
AU Halevy, I
Beeri, O
Hu, J
AF Halevy, I.
Beeri, O.
Hu, J.
TI Sc-strengthened commercial purity aluminum under high pressure
SO JOURNAL OF MATERIALS SCIENCE
LA English
DT Article
ID ELEVATED-TEMPERATURES; MECHANICAL-PROPERTIES; AL(SC) ALLOYS; AL3SC;
PRECIPITATION; ADDITIONS; AMBIENT
AB Aluminum alloyed with approximately 1,000 at. ppm Sc was studied by high-pressure energy dispersive X-ray diffraction in two different states, homogenized and aged to peak microhardness. The microhardness of the aged sample is about three times higher than the microhardness of the homogenized sample (as a result of the formation of nanosize Al(3)Sc precipitates in the aged sample). The results, which were refined using the Rietveld analysis technique, indicate a single cubic phase with no phase transition up to a pressure of 32 GPa. The Vinet equation was used to fit the volume-pressure curve to the equation-of-state. The bulk modulus (B (0)) is found to be 73 +/- A 5 GPa, and is equal to the value measured for an unalloyed aluminum sample. The fact that the bulk modulus does not change, despite a large difference in microhardness between the samples, is the result of the different origins of the two quantities.
C1 [Halevy, I.] CALTECH, Dept Mat Sci, Pasadena, CA 91125 USA.
[Halevy, I.; Beeri, O.] Nucl Res Ctr Negev, Dept Phys, IL-84190 Beer Sheva, Israel.
[Hu, J.] Brookhaven Natl Lab, NSLS, Upton, NY 11973 USA.
RP Halevy, I (reprint author), CALTECH, Dept Mat Sci, Pasadena, CA 91125 USA.
EM halevyi@caltech.edu
FU US Department of Energy [DE-FG02-98ER45721]
FX This research is supported by the US Department of Energy through Grant
DE-FG02-98ER45721.
NR 12
TC 3
Z9 3
U1 1
U2 4
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0022-2461
J9 J MATER SCI
JI J. Mater. Sci.
PD FEB
PY 2010
VL 45
IS 3
BP 589
EP 592
DI 10.1007/s10853-009-3931-8
PG 4
WC Materials Science, Multidisciplinary
SC Materials Science
GA 536GU
UT WOS:000273033700003
ER
PT J
AU Lee, YJ
Lee, JH
Kim, SR
Kwon, WT
Oh, H
Klepeis, JHP
Teat, SJ
Kim, YH
AF Lee, Yoon Joo
Lee, Jung Hyun
Kim, Soo Ryong
Kwon, Woo Teck
Oh, Hyunju
Klepeis, Jae-hyun Park
Teat, Simon J.
Kim, Y. H.
TI Synthesis and characterization of novel preceramic polymer for SiC
SO JOURNAL OF MATERIALS SCIENCE
LA English
DT Article
ID SILICON-CARBIDE; POLYSILASTYRENE; COPOLYMERS; PRECURSORS; CERAMICS;
RESIST
AB Polyphenylcarbosilane as a novel preceramic polymer for SiC was synthesized by thermal rearrangement of polymethylphenylsilane at around 350-430 A degrees C. Characterization of the synthesized polyphenylcarbosilane was performed using Si-29 NMR, C-13 NMR and H-1 NMR spectroscopy, FT-IR spectroscopy and TG, XRD, and GPC analysis. From the FT-IR data, the band at 1035 cm(-1) was very strong and was assigned to the CH2 bending vibration in the Si-CH2-Si group, indicating the formation of polyphenylcarbosilane. The average molecular weight (M-w) of the polyphenylcarbosilane synthesized was 2,500, and it was found to easily dissolve in an organic solvent. TGA data indicate that polyphenylcarbosilane is thermally stable up to 200 A degrees C. However, rapid weight loss occurs above 200 A degrees C because of the decomposition of polyphenylcarbosilane, and the diffraction peak of the pyrolysis residue at 1200 A degrees C corresponds to beta-SiC ceramic. The ceramic yield calculated from TGA is approximately 60%.
C1 [Lee, Yoon Joo; Lee, Jung Hyun; Kim, Soo Ryong; Kwon, Woo Teck; Kim, Y. H.] Korea Inst Ceram Engn & Technol, Seoul 153801, South Korea.
[Oh, Hyunju] Sungshin Womens Univ, Inst Basic Sci, Seoul 136742, South Korea.
[Klepeis, Jae-hyun Park; Teat, Simon J.] Univ Calif Berkeley, Adv Light Source, Berkeley, CA 94720 USA.
RP Kim, YH (reprint author), Korea Inst Ceram Engn & Technol, Seoul 153801, South Korea.
EM yhkokim@kicet.re.kr
FU Korea government (MOST) [R01-2007-000-20320-0]; US DOE
[DE-AC5207NA27344]; Office of Science, Office of Basic Energy Sciences,
of the U. S. Department of Energy [DE-AC02-05CH11231]
FX This work was supported by the Korea Science and Engineering Foundation
(KOSEF) grant funded by the Korea government (MOST) (No.
R01-2007-000-20320-0). The authors would like to thank Dr. Duk-Young Han
in Korea Basic Science Institute, Seoul Branch for his assistance in
data collection of the samples using Solid NMR, 200B instrument.
J.-H.-P. K.' s work for methyltriphenylsilane structural studies was
supported under the auspices of the US DOE by LLNL under Contract
DE-AC5207NA27344. Single crystal X-ray diffraction data collection of
methyltriphenylsilane was carried out at the Advanced Light Source
(ALS). ALS is supported by the Director, Office of Science, Office of
Basic Energy Sciences, of the U. S. Department of Energy under Contract
No. DE-AC02-05CH11231.
NR 16
TC 11
Z9 11
U1 0
U2 17
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0022-2461
EI 1573-4803
J9 J MATER SCI
JI J. Mater. Sci.
PD FEB
PY 2010
VL 45
IS 4
BP 1025
EP 1031
DI 10.1007/s10853-009-4034-2
PG 7
WC Materials Science, Multidisciplinary
SC Materials Science
GA 536GV
UT WOS:000273033800021
ER
PT J
AU Passian, A
Koucheckian, S
Yakubovich, SB
Thundat, T
AF Passian, A.
Koucheckian, S.
Yakubovich, S. B.
Thundat, T.
TI Properties of index transforms in modeling of nanostructures and
plasmonic systems
SO JOURNAL OF MATHEMATICAL PHYSICS
LA English
DT Article
AB In material structures with nanometer scale curvature or dimensions, electrons may be excited to oscillate in confined spaces. The consequence of such geometric confinement is of great importance in nano-optics and plasmonics. Furthermore, the geometric complexity of the probe-substrate/sample assemblies of many scanning probe microscopy experiments often poses a challenging modeling problem due to the high curvature of the probe apex or sample surface protrusions and indentations. Index transforms such as Mehler-Fock and Kontorovich-Lebedev, where integration occurs over the index of the function rather than over the argument, prove useful in solving the resulting differential equations when modeling optical or electronic response of such problems. By considering the scalar potential distribution of a charged probe in the presence of a dielectric substrate, we discuss certain implications and criteria of the index transform and prove the existence and the inversion theorems for the Mehler-Fock transform of the order m is an element of N(0). The probe charged to a potential V(0), measured at the apex, is modeled, in the noncontact case, as a one-sheeted hyperboloid of revolution, and in the contact case or in the limit of a very sharp probe, as a cone. Using the Mehler-Fock integral transform in the first case, and the Fourier integral transform in the second, we discuss the necessary conditions imposed on the potential distribution on the probe surface. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3294165]
C1 [Passian, A.; Thundat, T.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Passian, A.; Thundat, T.] Univ Tennessee, Dept Phys, Knoxville, TN 37996 USA.
[Koucheckian, S.] Univ S Florida, Dept Math & Stat, Tampa, FL 33620 USA.
[Yakubovich, S. B.] Univ Porto, Dept Pure Math, P-4169007 Oporto, Portugal.
RP Passian, A (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM passianan@ornl.gov
OI Yakubovich, Semyon/0000-0003-2522-6770
FU Laboratory Directed Research and Development (LDRD); UT-Battelle, LLC
for the Department of Energy [DE-AC05-00960R22725]
FX This work was supported by the 00472 project of the Laboratory Directed
Research and Development (LDRD) program. Oak Ridge National Laboratory,
Oak Ridge, Tennessee, 378316123, is managed by UT-Battelle, LLC for the
Department of Energy under Contract No. DE-AC05-00960R22725.
NR 35
TC 6
Z9 7
U1 0
U2 3
PU AMER INST PHYSICS
PI MELVILLE
PA CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1,
MELVILLE, NY 11747-4501 USA
SN 0022-2488
J9 J MATH PHYS
JI J. Math. Phys.
PD FEB
PY 2010
VL 51
IS 2
AR 023518
DI 10.1063/1.3294165
PG 30
WC Physics, Mathematical
SC Physics
GA 562EJ
UT WOS:000275032100054
ER
PT J
AU Han, J
Papalambros, PY
AF Han, Jeongwoo
Papalambros, Panos Y.
TI A Sequential Linear Programming Coordination Algorithm for Analytical
Target Cascading
SO JOURNAL OF MECHANICAL DESIGN
LA English
DT Article
ID COLLABORATIVE OPTIMIZATION; DESIGN; CONVERGENCE; SYSTEMS
AB Decomposition-based strategies, such as analytical target cascading (ATC), are often employed in design optimization of complex systems. Achieving convergence and computational efficiency in the coordination strategy that solves the partitioned problem is a key challenge. A new convergent strategy is proposed for ATC that coordinates interactions among subproblems using sequential linearizations. The linearity of subproblems is maintained using infinity norms to measure deviations between targets and responses. A subproblem suspension strategy is used to suspend temporarily inclusion of subproblems that do not need significant redesign, based on trust region and target value step size. An individual subproblem trust region method is introduced for faster convergence. The proposed strategy is intended for use in design optimization problems where sequential linearizations are typically effective, such as problems with extensive monotonicities, a large number of constraints relative to variables, and propagation of probabilities with normal distributions. Experiments with test problems show that, relative to standard ATC coordination, the number of subproblem evaluations is reduced considerably while the solution accuracy depends on the degree of monotonicity and nonlinearity. [DOI: 10.1115/1.4000758]
C1 [Han, Jeongwoo] Argonne Natl Lab, Argonne, IL 60439 USA.
[Papalambros, Panos Y.] Univ Michigan, Dept Mech Engn, Ann Arbor, MI 48104 USA.
RP Han, J (reprint author), Argonne Natl Lab, 9700 S Cass Ave,Bldg 362, Argonne, IL 60439 USA.
EM jhan@anl.gov; pyp@umich.edu
FU General Motors Corporation; Automotive Research Center; US Army Center
of Excellence in Modeling; University of Michigan; NSF [DMI-0503737]
FX This work was partially supported by a grant from the General Motors
Corporation, the Automotive Research Center, a US Army Center of
Excellence in Modeling and Simulation of Ground Vehicle Systems at the
University of Michigan, and NSF under Grant No. DMI-0503737. This
support is gratefully acknowledged.
NR 32
TC 6
Z9 6
U1 1
U2 9
PU ASME-AMER SOC MECHANICAL ENG
PI NEW YORK
PA THREE PARK AVE, NEW YORK, NY 10016-5990 USA
SN 1050-0472
J9 J MECH DESIGN
JI J. Mech. Des.
PD FEB
PY 2010
VL 132
IS 2
AR 021003
DI 10.1115/1.4000758
PG 8
WC Engineering, Mechanical
SC Engineering
GA 553TW
UT WOS:000274390700003
ER
PT J
AU Deshpande, A
Gans, J
Graves, SW
Green, L
Taylor, L
Kim, HB
Kunde, YA
Leonard, PM
Li, PE
Mark, J
Song, J
Vuyisich, M
White, PS
AF Deshpande, Alina
Gans, Jason
Graves, Steven W.
Green, Lance
Taylor, Laura
Kim, Heung Bok
Kunde, Yuliya A.
Leonard, Pascale M.
Li, Po-E
Mark, Jacob
Song, Jian
Vuyisich, Momchilo
White, P. Scott
TI A rapid multiplex assay for nucleic acid-based diagnostics
SO JOURNAL OF MICROBIOLOGICAL METHODS
LA English
DT Article
DE Ligation-based assay; Luminex; MOL-PCR; Multiplex diagnostics;
Surveillance; Microsphere array
ID DEPENDENT PROBE AMPLIFICATION; FOOT-AND-MOUTH; RELATIVE QUANTIFICATION;
DISEASE VIRUSES; ARRAY
AB We have developed a rapid (under 4 hours), multiplex, nucleic acid assay, adapted to a microsphere array detection platform. We call this assay multiplex oligonucleotide ligation-PCR (MOL-PCR). Unlike other ligation-based assays that require multiple steps, our protocol consists of a single tube reaction, followed by hybridization to a Luminex microsphere array for detection. We demonstrate the ability of this assay to simultaneously detect diverse nucleic acid signatures (e.g., unique sequences, single nucleotide polymorphisms) in a single multiplex reaction. Detection probes consist of modular components that enable target detection, probe amplification, and subsequent capture onto microsphere arrays. To demonstrate the utility of our assay, we applied it to the detection of three biothreat agents, B. anthracis, Y. pestis, and F. tularensis. Combined with the ease and robustness of this assay, the results presented here show a strong potential of our assay for use in diagnostics and surveillance. Published by Elsevier B.V.
C1 [Deshpande, Alina] Los Alamos Natl Lab, Decis Applicat Div, Los Alamos, NM 87545 USA.
[Gans, Jason; Green, Lance; Taylor, Laura; Kim, Heung Bok; Kunde, Yuliya A.; Li, Po-E; Mark, Jacob; Song, Jian; Vuyisich, Momchilo; White, P. Scott] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87545 USA.
[Graves, Steven W.] 1 Univ New Mexico, Dept Chem & Nucl Engn, Ctr Biomed Engn, Albuquerque, NM 87131 USA.
[Leonard, Pascale M.] New Mexico Dept Hlth, Div Sci Lab, Albuquerque, NM 87196 USA.
RP Deshpande, A (reprint author), Los Alamos Natl Lab, Decis Applicat Div, Mail Stop K551, Los Alamos, NM 87545 USA.
EM deshpande_a@lanl.gov
OI Kim, Heungbok/0000-0002-4359-8423
FU Department of Homeland Security Science and Technology Directorate
[HSHQDC-07-X-00907]; National Flow Cytometry Resource [NIH RR001315];
LANL-Laboratory Directed Research and Development [DRX9HG]
FX This work was supported by the Department of Homeland Security Science
and Technology Directorate (award # HSHQDC-07-X-00907 to PSW); The
National Flow Cytometry Resource (award # NIH RR001315); and
LANL-Laboratory Directed Research and Development (award # DRX9HG to
SG). The material in this paper represents the position of Deshpande et
al., and not necessarily that of DHS.
NR 22
TC 21
Z9 24
U1 1
U2 22
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0167-7012
J9 J MICROBIOL METH
JI J. Microbiol. Methods
PD FEB
PY 2010
VL 80
IS 2
BP 155
EP 163
DI 10.1016/j.mimet.2009.12.001
PG 9
WC Biochemical Research Methods; Microbiology
SC Biochemistry & Molecular Biology; Microbiology
GA 562EL
UT WOS:000275032300008
PM 20006656
ER
PT J
AU Addae-Mensah, KA
Retterer, S
Opalenik, SR
Thomas, D
Lavrik, NV
Wikswo, JP
AF Addae-Mensah, Kweku A.
Retterer, Scott
Opalenik, Susan R.
Thomas, Darrell
Lavrik, Nickolay V.
Wikswo, John P.
TI Cryogenic Etching of Silicon: An Alternative Method for Fabrication of
Vertical Microcantilever Master Molds
SO JOURNAL OF MICROELECTROMECHANICAL SYSTEMS
LA English
DT Article
DE Biological microelectromechanical systems (BioMEMS); deep reactive ion
etching (DRIE); cryogenic DRIE; microelectromechanical systems (MEMS);
polydimethylsiloxane (PDMS); vertical microcantilever arrays
ID CELLULAR MECHANICS; STEM-CELLS; STICTION; PDMS; MICROSTRUCTURES;
PLASMAS; FORCE; ARRAY; MEMS; SI
AB This paper examines the use of deep reactive ion etching of silicon with fluorine high-density plasmas at cryogenic temperatures to produce silicon master molds for vertical microcantilever arrays used for controlling substrate stiffness for culturing living cells. The resultant profiles achieved depend on the rate of deposition and etching of an SiOxFy polymer, which serves as a passivation layer on the sidewalls of the etched structures in relation to areas that have not been passivated with the polymer. We look at how optimal tuning of two parameters, the O-2 flow rate and the capacitively coupled plasma power, determine the etch profile. All other pertinent parameters are kept constant. We examine the etch profiles produced using electron-beam resist as the main etch mask, with holes having diameters of 750 nm, 1 mu m, and 2 mu m. [2008-0317]
C1 [Addae-Mensah, Kweku A.; Wikswo, John P.] Vanderbilt Univ, Dept Biomed Engn, Nashville, TN 37235 USA.
[Retterer, Scott; Thomas, Darrell; Lavrik, Nickolay V.] CNMS, ORNL, Oak Ridge, TN 37830 USA.
[Opalenik, Susan R.] Vanderbilt Univ, Dept Pathol, Sch Med, Nashville, TN 37232 USA.
[Wikswo, John P.] Vanderbilt Univ, Dept Phys & Astron, Nashville, TN 37235 USA.
[Wikswo, John P.] Vanderbilt Univ, Dept Mol Physiol & Biophys, Nashville, TN 37235 USA.
[Wikswo, John P.] VIIBRE, Nashville, TN 37235 USA.
RP Addae-Mensah, KA (reprint author), Columbia Univ, Dept Biomed Engn, New York, NY 10027 USA.
EM kaddaem@gmail.com; Rettererst@ornl.gov; susan.opalenik@Vanderbilt.Edu;
thomasdk@ornl.gov; lavriknv@ornl.gov; john.wikswo@vanderbilt.edu
RI Retterer, Scott/A-5256-2011; Lavrik, Nickolay/B-5268-2011
OI Retterer, Scott/0000-0001-8534-1979; Lavrik,
Nickolay/0000-0002-9543-5634
FU Vanderbilt Institute for Integrative Biosystems Research and Education
(VIIBRE); Whitaker Foundation; National Institutes of Health [R01
HLO68144]
FX This work was supported in part by the Vanderbilt Institute for
Integrative Biosystems Research and Education (VIIBRE), in part by the
Whitaker Foundation, and in part by the National Institutes of Health
(R01 HLO68144).
NR 38
TC 8
Z9 8
U1 0
U2 10
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1057-7157
EI 1941-0158
J9 J MICROELECTROMECH S
JI J. Microelectromech. Syst.
PD FEB
PY 2010
VL 19
IS 1
BP 64
EP 74
DI 10.1109/JMEMS.2009.2037440
PG 11
WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology;
Instruments & Instrumentation; Physics, Applied
SC Engineering; Science & Technology - Other Topics; Instruments &
Instrumentation; Physics
GA 551MM
UT WOS:000274213700007
ER
PT J
AU Guisinger, MM
Chumley, TW
Kuehl, JV
Boore, JL
Jansen, RK
AF Guisinger, Mary M.
Chumley, Timothy W.
Kuehl, Jennifer V.
Boore, Jeffrey L.
Jansen, Robert K.
TI Implications of the Plastid Genome Sequence of Typha (Typhaceae, Poales)
for Understanding Genome Evolution in Poaceae
SO JOURNAL OF MOLECULAR EVOLUTION
LA English
DT Article
DE Plastid genomics; Molecular evolution; Poales; Poaceae; Grass genomes;
Typha latifolia
ID TRANSFER-RNA GENES; COMPARATIVE CHLOROPLAST GENOMICS; NUCLEOTIDE
SUBSTITUTION RATES; GRASS FAMILY POACEAE; INVERTED REPEAT; FLOWERING
PLANTS; MITOCHONDRIAL GENOMES; TRACHELIUM-CAERULEUM; MULTIPLE
INVERSIONS; MOLECULAR EVOLUTION
AB Plastid genomes of the grasses (Poaceae) are unusual in their organization and rates of sequence evolution. There has been a recent surge in the availability of grass plastid genome sequences, but a comprehensive comparative analysis of genome evolution has not been performed that includes any related families in the Poales. We report on the plastid genome of Typha latifolia, the first non-grass Poales sequenced to date, and we present comparisons of genome organization and sequence evolution within Poales. Our results confirm that grass plastid genomes exhibit acceleration in both genomic rearrangements and nucleotide substitutions. Poaceae have multiple structural rearrangements, including three inversions, three genes losses (accD, ycf1, ycf2), intron losses in two genes (clpP, rpoC1), and expansion of the inverted repeat (IR) into both large and small single-copy regions. These rearrangements are restricted to the Poaceae, and IR expansion into the small single-copy region correlates with the phylogeny of the family. Comparisons of 73 protein-coding genes for 47 angiosperms including nine Poaceae genera confirm that the branch leading to Poaceae has significantly accelerated rates of change relative to other monocots and angiosperms. Furthermore, rates of sequence evolution within grasses are lower, indicating a deceleration during diversification of the family. Overall there is a strong correlation between accelerated rates of genomic rearrangements and nucleotide substitutions in Poaceae, a phenomenon that has been noted recently throughout angiosperms. The cause of the correlation is unknown, but faulty DNA repair has been suggested in other systems including bacterial and animal mitochondrial genomes.
C1 [Guisinger, Mary M.; Chumley, Timothy W.; Jansen, Robert K.] Univ Texas Austin, Sect Integrat Biol, Austin, TX 78712 USA.
[Kuehl, Jennifer V.; Boore, Jeffrey L.] DOE Joint Genome Inst, Walnut Creek, CA 94598 USA.
[Kuehl, Jennifer V.; Boore, Jeffrey L.] Lawrence Berkeley Natl Lab, Walnut Creek, CA 94598 USA.
[Boore, Jeffrey L.] Genome Project Solut, Hercules, CA 94547 USA.
[Boore, Jeffrey L.] Univ Calif Berkeley, Berkeley, CA 94720 USA.
[Chumley, Timothy W.] Cent Washington Univ, Dept Biol Sci, Ellensburg, WA 98926 USA.
RP Guisinger, MM (reprint author), Univ Texas Austin, Sect Integrat Biol, Austin, TX 78712 USA.
EM mary.guisinger@mail.utexas.edu
RI Guisinger, Mary/E-9790-2010; Guisinger, Mary/B-8156-2008; Jansen,
Robert/F-6272-2011
NR 86
TC 64
Z9 68
U1 2
U2 20
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0022-2844
J9 J MOL EVOL
JI J. Mol. Evol.
PD FEB
PY 2010
VL 70
IS 2
BP 149
EP 166
DI 10.1007/s00239-009-9317-3
PG 18
WC Biochemistry & Molecular Biology; Evolutionary Biology; Genetics &
Heredity
SC Biochemistry & Molecular Biology; Evolutionary Biology; Genetics &
Heredity
GA 558MH
UT WOS:000274746600003
PM 20091301
ER
PT J
AU Hong, HP
Thomas, D
Waynick, A
Yu, WH
Smith, P
Roy, W
AF Hong, Haiping
Thomas, Dustin
Waynick, Andy
Yu, Wenhua
Smith, Pauline
Roy, Walter
TI Carbon nanotube grease with enhanced thermal and electrical
conductivities
SO JOURNAL OF NANOPARTICLE RESEARCH
LA English
DT Article
DE Grease; Carbon nanotube; Thermal conductivity; Electrical conductivity;
Synthesis
ID SYSTEMS
AB A stable and homogeneous grease based on carbon nanotubes (CNTs, single-wall and multiwall) in polyalphaolefin oil has been produced without using a chemical surfactant. For example, for a 11 wt% (7 vol%) single-wall CNT (diameter 1 2 nm, length 0.5-40 lm) loading, the thermal conductivity (TC) of the grease shows a 60-70% increase compared to that for no nanotube loading. In addition, the grease is electrically conductive, has a high dropping point, good temperature resistance, and does not react with copper at temperatures up to 177 degrees C. The performance of carbon nanotube grease could be much better with the improvement of nanotube quality and purity. A possible explanation for these results is that of a high loading of CNTs ([10 wt%), they become associated with each other by van der Waals forces in the grease to form three-dimensional percolation networks. Time-dependent magnetic results demonstrate that, even under the influence of a strong outside magnetic field, the TC value remains constant. This phenomenon can be attributed to the existence of networks that makes magnetic alignment of nanotubes impossible.
C1 [Hong, Haiping; Thomas, Dustin] S Dakota Sch Mines & Technol, Dept Mat & Met Engn, Rapid City, SD 57701 USA.
[Waynick, Andy] NCH Corp, Lubricant & Grease Lab, Irving, TX 75062 USA.
[Yu, Wenhua] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA.
[Smith, Pauline; Roy, Walter] USA, Res Lab, Aberdeen Proving Ground, MD 21005 USA.
RP Hong, HP (reprint author), S Dakota Sch Mines & Technol, Dept Mat & Met Engn, Rapid City, SD 57701 USA.
EM Haiping.Hong@sdsmt.edu
FU Army Research Lab [DAAD19-02-2-0011]
FX H. Hong would like to thank Army Research Lab (Cooperative agreement
DAAD19-02-2-0011) for the financial support, and Jesse Wensel and Brian
Wright for the thermal conductivity measurements of several grease
samples.
NR 13
TC 15
Z9 15
U1 1
U2 26
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 1388-0764
J9 J NANOPART RES
JI J. Nanopart. Res.
PD FEB
PY 2010
VL 12
IS 2
SI SI
BP 529
EP 535
DI 10.1007/s11051-009-9803-y
PG 7
WC Chemistry, Multidisciplinary; Nanoscience & Nanotechnology; Materials
Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 565TW
UT WOS:000275318700016
ER
PT J
AU Stephen, JM
Montano, R
Donahue, CH
Adair, JC
Knoefel, J
Qualls, C
Hart, B
Ranken, D
Aine, CJ
AF Stephen, Julia M.
Montano, Rebecca
Donahue, Christopher H.
Adair, John C.
Knoefel, Janice
Qualls, Clifford
Hart, Blaine
Ranken, Doug
Aine, Cheryl J.
TI Somatosensory responses in normal aging, mild cognitive impairment, and
Alzheimer's disease
SO JOURNAL OF NEURAL TRANSMISSION
LA English
DT Article
DE Somatosensory evoked fields; Aging; Alzheimer's disease; Mild cognitive
impairment; Magnetoencephalography
ID DISCONNECTION SYNDROME; VASCULAR DEMENTIA; CORPUS-CALLOSUM; STIMULATION;
MAGNETOENCEPHALOGRAPHY; LOCALIZATION; POTENTIALS; MEG
AB As a part of a larger study of normal aging and Alzheimer's disease (AD), which included patients with mild cognitive impairment (MCI), we investigated the response to median nerve stimulation in primary and secondary somatosensory areas. We hypothesized that the somatosensory response would be relatively spared given the reported late involvement of sensory areas in the progression of AD. We applied brief pulses of electric current to left and right median nerves to test the somatosensory response in normal elderly (NE), MCI, and AD. MEG responses were measured and were analyzed with a semi-automated source localization algorithm to characterize source locations and timecourses. We found an overall difference in the amplitude of the response of the primary somatosensory source (SI) based on diagnosis. Across the first three peaks of the SI response, the MCI patients exhibited a larger amplitude response than the NE and AD groups (P < 0.03). Additional relationships between neuropsychological measures and SI amplitude were also determined. There was no significant difference in amplitude for the contralateral secondary somatosensory source across diagnostic category. These results suggest that somatosensory cortex is affected early in the progression of AD and may have some consequence on behavioral and functional measures.
C1 [Stephen, Julia M.] Mind Res Network, Albuquerque, NM 87106 USA.
[Montano, Rebecca; Donahue, Christopher H.; Hart, Blaine; Aine, Cheryl J.] Univ New Mexico, Dept Radiol, Hlth Sci Ctr, Albuquerque, NM 87131 USA.
[Adair, John C.] Univ New Mexico, Dept Neurol, Hlth Sci Ctr, Albuquerque, NM 87131 USA.
[Knoefel, Janice] Univ New Mexico, Dept Internal Med, Hlth Sci Ctr, Albuquerque, NM 87131 USA.
[Adair, John C.] New Mexico VA Healthcare Syst, Neurol Serv, Albuquerque, NM USA.
[Knoefel, Janice] New Mexico VA Healthcare Syst, Internal Med Serv, Albuquerque, NM USA.
[Qualls, Clifford] Univ New Mexico, Gen Clin Res Ctr, Hlth Sci Ctr, Albuquerque, NM 87131 USA.
[Ranken, Doug] Los Alamos Natl Lab, Biophys Grp P 21, Los Alamos, NM USA.
RP Stephen, JM (reprint author), Mind Res Network, 1101 Yale Blvd NE, Albuquerque, NM 87106 USA.
EM jstephen@mrn.org
RI Ranken, Douglas/J-4305-2012;
OI Donahue, Christopher/0000-0003-1574-1162; Stephen,
Julia/0000-0003-2486-747X
FU NIH [R01AG020302, DE-FG02-07ER64415, GCRC-NIH 5M01-RR00997]; UNM
Radiology; VA Research Office
FX This work was supported by NIH R01AG020302, DE-FG02-07ER64415, UNM HSC
GCRC-NIH 5M01-RR00997. We thank the Mind Research Network for their
excellent IT support as well as UNM Radiology and the VA Research Office
for their support. We also thank Denise Padilla for coordinating the
project, Jennifer Bryant for her help acquiring the data, and S. Laura
Lundy for help with neuropsychological testing.
NR 32
TC 14
Z9 15
U1 0
U2 3
PU SPRINGER WIEN
PI WIEN
PA SACHSENPLATZ 4-6, PO BOX 89, A-1201 WIEN, AUSTRIA
SN 0300-9564
J9 J NEURAL TRANSM
JI J. Neural Transm.
PD FEB
PY 2010
VL 117
IS 2
BP 217
EP 225
DI 10.1007/s00702-009-0343-5
PG 9
WC Clinical Neurology; Neurosciences
SC Neurosciences & Neurology
GA 546LD
UT WOS:000273811400009
PM 20013008
ER
EF