FN Thomson Reuters Web of Science™
VR 1.0
PT S
AU Grinstein, FF
Patnaik, G
Wachtor, AJ
Nelson, M
Brown, M
Bos, RJ
AF Grinstein, Fernando F.
Patnaik, Gopal
Wachtor, Adam J.
Nelson, Matt
Brown, Michael
Bos, Randy J.
BE Kuerten, H
Geurts, B
Armenio, V
Frohlich, J
TI Dispersal and fallout simulations for urban consequences management
SO DIRECT AND LARGE-EDDY SIMULATION VIII
SE ERCOFTAC Series
LA English
DT Proceedings Paper
CT 8th Workshop on Direct and Large-Eddy Simulation
CY JUL 07-09, 2010
CL Eindhoven Univ, Dept Mech Engn, Eindhoven, NETHERLANDS
SP Eindhoven Univ Technol, Royal Netherlands Acad Sci, Universiteitsfonds Eindhoven, Netherlands Org Sci Res
HO Eindhoven Univ, Dept Mech Engn
C1 [Grinstein, Fernando F.; Wachtor, Adam J.; Nelson, Matt; Brown, Michael; Bos, Randy J.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Grinstein, FF (reprint author), Los Alamos Natl Lab, MS F644, Los Alamos, NM 87545 USA.
EM fgrinstein@lanl.gov; patnaik@lcp.nrl.navy.mil
OI Wachtor, Adam/0000-0003-0609-9171
NR 12
TC 0
Z9 0
U1 0
U2 2
PU SPRINGER
PI DORDRECHT
PA PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS
SN 1382-4309
BN 978-94-007-2481-5
J9 ERCOFTAC SER
PY 2011
VL 15
BP 269
EP 274
DI 10.1007/978-94-007-2482-2_43
PG 6
WC Engineering, Mechanical; Mechanics
SC Engineering; Mechanics
GA BGI40
UT WOS:000323091800043
ER
PT S
AU Lin, CX
Ke, YG
Chhabra, R
Sharma, J
Liu, Y
Yan, H
AF Lin, Chenxiang
Ke, Yonggang
Chhabra, Rahul
Sharma, Jaswinder
Liu, Yan
Yan, Hao
BE Zuccheri, G
Samori, B
TI Synthesis and Characterization of Self-Assembled DNA Nanostructures
SO DNA NANOTECHNOLOGY: METHODS AND PROTOCOLS
SE Methods in Molecular Biology
LA English
DT Article; Book Chapter
DE DNA nanotechnology; Self-assembly; Electrophoresis; Atomic force
microscopy
ID GOLD NANOPARTICLE ARRAYS; PROTEIN ARRAYS; NANOARCHITECTURES; DESIGN;
NANOARRAYS; SURFACE
AB The past decade witnessed the fast evolvement of structural DNA nanotechnology, which uses DNA as blueprint and building material to construct artificial nanostructures. Using branched DNA as the main building block (also known as a "tile") and cohesive single-stranded DNA (ssDNA) ends to designate the pairing strategy for tile-tile recognition, one can rationally design and assemble complicated nanoarchitextures from specifically designed DNA oligonucleotides. Objects in both two- and three-dimensions with a large variety of geometries and topologies have been built from DNA with excellent yield; this development enables the construction of DNA-based nanodevices and DNA-template directed organization of other molecular species. The construction of such nanoscale objects constitutes the basis of DNA nanotechnology. This chapter describes the protocol for the preparation of ssDNA as starting material, the self-assembly of DNA nanostructures, and some of the most commonly used methods to characterize the self-assembled DNA nanostructures.
C1 [Lin, Chenxiang; Ke, Yonggang] Harvard Univ, Sch Med, Dana Farber Canc Inst, Boston, MA 02115 USA.
[Lin, Chenxiang] Harvard Univ, Wyss Inst, Boston, MA 02115 USA.
[Liu, Yan; Yan, Hao] Arizona State Univ, Dept Chem & Biochem, Biodesign Inst, Tempe, AZ USA.
[Chhabra, Rahul] Univ Alberta, Natl Inst Nanotechnol, Edmonton, AB, Canada.
[Sharma, Jaswinder] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM USA.
RP Lin, CX (reprint author), Harvard Univ, Sch Med, Dana Farber Canc Inst, 44 Binney St, Boston, MA 02115 USA.
OI Lin, Chenxiang/0000-0001-7041-1946
NR 31
TC 1
Z9 1
U1 1
U2 5
PU HUMANA PRESS INC
PI TOTOWA
PA 999 RIVERVIEW DR, STE 208, TOTOWA, NJ 07512-1165 USA
SN 1064-3745
BN 978-1-61779-141-3
J9 METHODS MOL BIOL
JI Methods Mol. Biol.
PY 2011
VL 749
BP 1
EP 11
DI 10.1007/978-1-61779-142-0_1
D2 10.1007/978-1-61779-142-0
PG 11
WC Biochemical Research Methods; Biochemistry & Molecular Biology;
Nanoscience & Nanotechnology
SC Biochemistry & Molecular Biology; Science & Technology - Other Topics
GA BVR34
UT WOS:000292531200001
PM 21674361
ER
PT S
AU Efendiev, Y
Galvis, J
Vassilevski, PS
AF Efendiev, Yalchin
Galvis, Juan
Vassilevski, Panayot S.
BE Huang, YQ
Kornhuber, R
Widlund, O
Xu, JC
TI Spectral Element Agglomerate Algebraic Multigrid Methods for Elliptic
Problems with High-Contrast Coefficients
SO DOMAIN DECOMPOSITION METHODS IN SCIENCE AND ENGINEERING XIX
SE Lecture Notes in Computational Science and Engineering
LA English
DT Proceedings Paper
CT 19th International Conference on Domain Decomposition
CY AUG 17-22, 2009
CL Xiangtan Univ, Sch Math & Comp Sci, Zhanjiajie, PEOPLES R CHINA
SP Hunan Key Lab Comp & Simulat Sci & Engn, Xiangtan Univ, Natl Nat Sci Fdn China
HO Xiangtan Univ, Sch Math & Comp Sci
ID AMGE
AB We apply a recently proposed [5] robust overlapping Schwarz method with a certain spectral construction of the coarse space in the setting of element agglomeration algebraic multigrid methods (or agglomeration AMGe) for elliptic problems with high-contrast coefficients. Our goal is to design multilevel iterative methods that converge independent of the contrast in the coefficients. We present simplified bounds for the condition number of the preconditioned operators. These bounds imply convergence that is independent of the contrast. In the presented preliminary numerical tests, we use geometric agglomerates; however, the algorithm is general and offers some simplifications over the previously proposed spectral agglomerate AMGe methods (cf., [2, 3]).
C1 [Efendiev, Yalchin; Galvis, Juan] Texas A&M Univ, Dept Math, College Stn, TX 77843 USA.
[Vassilevski, Panayot S.] Lawrence Livermore Natl Lab, Ctr Appl Sci Comp, Livermore, CA 94550 USA.
RP Efendiev, Y (reprint author), Texas A&M Univ, Dept Math, College Stn, TX 77843 USA.
EM efendiev@math.tamu.edu; jugal@math.tamu.edu; vassilevskil@llnl.gov
RI GALVIS, JUAN/A-7115-2012
OI GALVIS, JUAN/0000-0001-8904-1877
FU NSF; DOE [DE-AC52-07NA27344]
FX The work of Y.E. is partially supported by NSF and DOE.; The work of
this author was performed under the auspices of the U.S. DOE by Lawrence
Livermore National Laboratory under Contract DE-AC52-07NA27344.
NR 7
TC 19
Z9 19
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 1439-7358
BN 978-3-642-11303-1
J9 LECT NOTES COMP SCI
PY 2011
VL 78
BP 407
EP +
DI 10.1007/978-3-642-11304-8_47
PG 2
WC Engineering, Multidisciplinary; Mathematics, Applied
SC Engineering; Mathematics
GA BUR78
UT WOS:000290181500047
ER
PT J
AU Hong-Geller, E
Li, N
AF Hong-Geller, Elizabeth
Li, Nan
BE Rundfeldt, C
TI microRNAs as Therapeutic Targets to Combat Diverse Human Diseases
SO DRUG DEVELOPMENT - A CASE STUDY BASED INSIGHT INTO MODERN STRATEGIES
LA English
DT Article; Book Chapter
ID REGULATORY T-CELLS; IN-VIVO DELIVERY; RNA-INTERFERENCE; MESSENGER-RNA;
NONHUMAN-PRIMATES; LIPOPHILIC SIRNAS; MAMMALIAN-CELLS; GENE-EXPRESSION;
VIRUS; PROTEIN
C1 [Hong-Geller, Elizabeth; Li, Nan] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87544 USA.
RP Hong-Geller, E (reprint author), Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87544 USA.
NR 98
TC 0
Z9 0
U1 0
U2 0
PU INTECH EUROPE
PI RIJEKA
PA JANEZA TRDINE9, RIJEKA, 51000, CROATIA
BN 978-953-307-257-9
PY 2011
BP 163
EP 182
D2 10.5772/2435
PG 20
WC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Pharmacology & Pharmacy
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology;
Pharmacology & Pharmacy
GA BG1GF
UT WOS:000386731500008
ER
PT S
AU Kwon, WT
Kim, SR
Il Kim, J
Lee, YJ
Bhave, RR
Kim, Y
AF Kwon, Woo-Teck
Kim, Soo Ryong
Il Kim, Jong
Lee, Yoon Joo
Bhave, Ramesh R.
Kim, Younghee
BE Kim, HS
Yang, JF
Han, CH
Thongtem, SC
Lee, SW
TI Effect of Heat Treatment Temperature and Atmosphere on Micro Structure
of Polyphenylcarbosilane
SO ECO-MATERIALS PROCESSING AND DESIGN XII
SE Materials Science Forum
LA English
DT Proceedings Paper
CT 12th International Symposium on Eco-Materials Processing and Design
CY JAN 08-11, 2011
CL Chiang Mai, THAILAND
SP JSPS, NSFC, NRF, A3 Foresight Program, Thailands Off Higher Educ Commiss, Chiang Mai Univ, Mat Sci Res Ctr, Fac Sci, Chiang Mai Univ, Nanoscience & Nanotechnol Res Ctr, Fac Sci
DE polyphenylcarbosilane; preceramic; heat treatment; ceramic coating;
microstructure
ID SILICON-CARBIDE; PRECURSOR; MEMBRANE; POLYMER
AB Polyphenylcarbosilane (PPCS) was synthesized from thermal rearrangement of the polymethylphenylsilane around 350 similar to 430 degrees C. Characterization of synthesized PPCS was performed with FT-IR spectroscopy analysis. From FT-IR data, the band at 1035cm(-1) is very strong and assigned to CH2 bending vibration in Si-CH2-Si group, indicating the formation of the PPCS. Ceramic thin film was fabricated onto stainless substrate by dip coating using a 20wt% PPCS in toluene. Heat treatment of the samples was performed at various temperatures (600 degrees C and 800 degrees C) under nitrogen atmospheres. The prepared PPCS samples and the coating layers on SUS316 after heat treatment were analyzed using FT-IR and XPS, respectively.
C1 [Kwon, Woo-Teck; Kim, Soo Ryong; Il Kim, Jong; Lee, Yoon Joo; Kim, Younghee] Korea Inst Ceram Engn & Technol, Green Ceram Div, 103 Fash Danji Gil, Seoul 153801, South Korea.
[Bhave, Ramesh R.] Oak Ridge Natl Lab, Mat Sci & Technol Div, POB 2008, Oak Ridge, TN 37831 USA.
RP Kwon, WT (reprint author), Korea Inst Ceram Engn & Technol, Green Ceram Div, 103 Fash Danji Gil, Seoul 153801, South Korea.
EM wtkwon@kicet.re.kr; srkim@kicet.re.kr; ecolab@kicet.re.kr;
yi-theresal@nate.com; bhaverr@ornl.gov; yhkokim@kicet.re.kr
FU Korea Evaluation Institute of Industrial Technology (KEIT) - Korea
government
FX This study was supported by Korea Evaluation Institute of Industrial
Technology (KEIT) grant funded by the Korea government.
NR 5
TC 0
Z9 0
U1 0
U2 1
PU TRANS TECH PUBLICATIONS LTD
PI DURNTEN-ZURICH
PA KREUZSTRASSE 10, 8635 DURNTEN-ZURICH, SWITZERLAND
SN 0255-5476
J9 MATER SCI FORUM
PY 2011
VL 695
BP 239
EP +
DI 10.4028/www.scientific.net/MSF.695.239
PG 2
WC Materials Science, Multidisciplinary
SC Materials Science
GA BZR67
UT WOS:000302594800059
ER
PT J
AU Bond-Lamberty, B
Gower, ST
Amiro, B
Ewers, BE
AF Bond-Lamberty, Ben
Gower, Stith T.
Amiro, Brian
Ewers, Brent E.
TI Measurement and modelling of bryophyte evaporation in a boreal forest
chronosequence
SO ECOHYDROLOGY
LA English
DT Article
DE boreal forest; black spruce; evapotranspiration; modelling; moss;
evaporation
ID NET PRIMARY PRODUCTION; BLACK SPRUCE FOREST; WATER-VAPOR EXCHANGE;
LATENT-HEAT FLUX; CARBON-DIOXIDE; CLIMATE-CHANGE; STOMATAL CONDUCTANCE;
SEASONAL-VARIATION; PEAT ACCUMULATION; ENERGY-EXCHANGE
AB The effects of changing climate and disturbance on forest water cycling are not well understood. In particular, bryophytes contribute significantly to forest evapotranspiration in poorly drained boreal forests, but few studies have directly measured this flux and how it changes with stand age and soil drainage. We measured bryophyte evaporation (E) in the field (in Canadian Picea mariana forests of varying ages and soil drainages) and under controlled laboratory conditions, and modelled daily E using site-specific meteorological data to drive a Penman-Monteith-based model. Field measurements of E averaged 0.37 mm day(-1) and ranged from 0.03 (Pleurozium schreberii in a 77-year-old dry stand) to 1.43 mm day(-1) (Sphagnum riparium in a 43-year-old bog). In the laboratory, moss canopy resistance (which ranged from similar to 0 to 1500 s m(-1)) was constant until a moss water content of similar to 6 g g(-1) and then climbed sharply with further drying; unexpectedly, no difference was observed between the three moss groups (feather mosses, hollow mosses and hummock mosses) tested. Modelled annual E ranged from 0.4 mm day(-1), in the well-drained stands, to similar to 1 mm day(-1) in the 43-year-old bog. The Penman-Monteith modelling approach used was relatively insensitive to most parameters but only explained 35% of the variability in field measurements. Bryophyte E was greater in bogs than in upland stands, was driven by low-lying mosses and varied with stand age only in the poorly drained stands; this suggests that bryophytes may provide a buffering effect to fire-driven changes in tree transpiration. Copyright (C) 2010 John Wiley & Sons, Ltd.
C1 [Bond-Lamberty, Ben] DOE Pacific NW Natl Lab, Joint Global Change Res Inst, College Pk, MD 20740 USA.
[Gower, Stith T.] Univ Wisconsin, Dept Forest & Wildlife Ecol, Madison, WI 53706 USA.
[Amiro, Brian] Univ Manitoba, Dept Soil Sci, Winnipeg, MB R3T 2N2, Canada.
[Ewers, Brent E.] Univ Wyoming, Dept Bot, Program Ecol, Laramie, WY 82071 USA.
RP Bond-Lamberty, B (reprint author), DOE Pacific NW Natl Lab, Joint Global Change Res Inst, 5825 Univ Res Court,Suite 3500, College Pk, MD 20740 USA.
EM bondlamberty@pnl.gov
RI Bond-Lamberty, Ben/C-6058-2008
OI Bond-Lamberty, Ben/0000-0001-9525-4633
FU National Science Foundation [DEB-0515957]
FX This research was supported by a grant from the National Science
Foundation to B. E. Ewers, S. T. Gower and B. D. Amiro (DEB-0515957). We
thank Julia Angstmann and Scott Peckham for their technical assistance
in the field and are grateful for the assistance of Manitoba
Conservation.
NR 80
TC 13
Z9 13
U1 3
U2 27
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 1936-0584
EI 1936-0592
J9 ECOHYDROLOGY
JI Ecohydrology
PD JAN
PY 2011
VL 4
IS 1
BP 26
EP 35
DI 10.1002/eco.118
PG 10
WC Ecology; Environmental Sciences; Water Resources
SC Environmental Sciences & Ecology; Water Resources
GA 718VM
UT WOS:000287154500003
ER
PT J
AU Field, JP
Breshears, DD
Whicker, JJ
Zou, CB
AF Field, Jason P.
Breshears, David D.
Whicker, Jeffrey J.
Zou, Chris B.
TI Interactive effects of grazing and burning on wind- and water-driven
sediment fluxes: rangeland management implications
SO ECOLOGICAL APPLICATIONS
LA English
DT Article
DE aeolian transport; erosion; fire; fluvial transport; grassland;
livestock; resource redistribution; sediment transport; soil
ID SOIL-EROSION; DRYLAND ENVIRONMENTS; CONCEPTUAL-FRAMEWORK; ECOSYSTEM
SERVICES; SEMIARID SHRUBLAND; LAND DEGRADATION; UNITED-STATES;
VEGETATION; SCALE; DUST
AB Rangelands are globally extensive, provide fundamental ecosystem services, and are tightly coupled human-ecological systems. Rangeland sustainability depends largely on the implementation and utilization of various grazing and burning practices optimized to protect against soil erosion and transport. In many cases, however, land management practices lead to increased soil erosion and sediment fluxes for reasons that are poorly understood. Because few studies have directly measured both wind and water erosion and transport, an assessment of how they may differentially respond to grazing and burning practices is lacking. Here, we report simultaneous, co-located estimates of wind-and water-driven sediment transport in a semiarid grassland in Arizona, USA, over three years for four land management treatments: control, grazed, burned, and burned + grazed. For all treatments and most years, annual rates of wind-driven sediment transport exceeded that of water due to a combination of ongoing small but nontrivial wind events and larger, less frequent, wind events that generally preceded the monsoon season. Sediment fluxes by both wind and water differed consistently by treatment: burned + grazed. burned >> grazed > control, with effects immediately apparent after burning but delayed after grazing until the following growing season. Notably, the wind : water sediment transport ratio decreased following burning but increased following grazing. Our results show how rangeland practices disproportionally alter sediment fluxes driven by wind and water, differences that could potentially help explain divergence between rangeland sustainability and degradation.
C1 [Field, Jason P.; 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.
[Whicker, Jeffrey J.] Los Alamos Natl Lab, Environm Programs, Los Alamos, NM 87545 USA.
[Zou, Chris B.] Oklahoma State Univ, Dept Nat Resource Ecol & Management, Stillwater, OK 74078 USA.
RP Field, JP (reprint author), Univ Arizona, Sch Nat Resources & Environm, Tucson, AZ 85721 USA.
EM jpfield@email.arizona.edu
RI Zou, Chris/A-5039-2010
OI Zou, Chris/0000-0003-0080-2866
FU Arizona Agricultural Experiment Station; U.S. Department of Agriculture
Cooperative State Research, Education, and Extension Service [CSREES
2005-38420-15809]; National Science Foundation [NSF-DEB 0816162];
Department of Energy [DE-AC52-06NA25396]
FX We thank Chris McDonald and Guy McPherson for establishing the
treatments and experiment design. This study was supported by the
Arizona Agricultural Experiment Station (DDB), the U.S. Department of
Agriculture Cooperative State Research, Education, and Extension Service
(D. D. Breshears, J. P. Field; CSREES 2005-38420-15809), the National
Science Foundation (J. P. Field, D. D. Breshears; NSF-DEB 0816162), and
the Department of Energy (J. J. Whicker; DE-AC52-06NA25396).
NR 78
TC 15
Z9 15
U1 2
U2 26
PU ECOLOGICAL SOC AMER
PI WASHINGTON
PA 1990 M STREET NW, STE 700, WASHINGTON, DC 20036 USA
SN 1051-0761
J9 ECOL APPL
JI Ecol. Appl.
PD JAN
PY 2011
VL 21
IS 1
BP 22
EP 32
PG 11
WC Ecology; Environmental Sciences
SC Environmental Sciences & Ecology
GA 741FW
UT WOS:000288850200004
PM 21516885
ER
PT J
AU Garten, CT
Iversen, CM
Norby, RJ
AF Garten, Charles T., Jr.
Iversen, Colleen M.
Norby, Richard J.
TI Litterfall N-15 abundance indicates declining soil nitrogen availability
in a free-air CO2 enrichment experiment
SO ECOLOGY
LA English
DT Article
DE carbon-climate feedbacks; elevated CO2; forest litterfall; free-air CO2
enrichment (FACE); Liquidambar styraciflua; nitrogen availability;
progressive nitrogen limitation; stable isotope; sweetgum
ID ATMOSPHERIC CARBON-DIOXIDE; FINE-ROOT PRODUCTION; ELEVATED CO2;
NATURAL-ABUNDANCE; SWEETGUM PLANTATION; ISOTOPE COMPOSITION; MYCORRHIZAL
FUNGI; DECIDUOUS FOREST; RESPONSES; LIMITATION
AB Forest productivity increases in response to carbon dioxide (CO2) enrichment of the atmosphere. However, in nitrogen-limited ecosystems, increased productivity may cause a decline in soil nitrogen (N) availability and induce a negative feedback on further enhancement of forest production. In a free-air CO2 enrichment (FACE) experiment, the response of sweetgum (Liquidambar styraciflua L.) productivity to elevated CO2 concentrations [CO2] has declined over time, but documenting an associated change in soil N availability has been difficult. Here we assess the time history of soil N availability through analysis of natural N-15 abundance in archived samples of freshly fallen leaf litterfall. Litterfall delta N-15 declined from 1998 to 2005, and the rate of decline was significantly faster in elevated [CO2]. Declining leaf litterfall delta N-15 is indicative of a tighter ecosystem N cycle and more limited soil N availability. By integrating N availability over time and throughout the soil profile, temporal dynamics in leaf litterfall delta N-15 provide a powerful tool for documenting changes in N availability and the critical feedbacks between C and N cycles that will control forest response to elevated atmospheric CO2 concentrations.
C1 [Garten, Charles T., Jr.; Iversen, Colleen M.; Norby, Richard J.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
RP Garten, CT (reprint author), Oak Ridge Natl Lab, Div Environm Sci, POB 2008, Oak Ridge, TN 37831 USA.
EM gartenctjr@ornl.gov
RI Norby, Richard/C-1773-2012; Iversen, Colleen/B-8983-2012
OI Norby, Richard/0000-0002-0238-9828;
FU U.S. Department of Energy, Office of Science, Biological and
Environmental Research; U.S. Department of Energy [DE-AC05-00OR22725]
FX Research was sponsored by the U.S. Department of Energy, Office of
Science, Biological and Environmental Research. Oak Ridge National
Laboratory is managed by UT-Battelle, LLC, for the U.S. Department of
Energy under contract DE-AC05-00OR22725. We thank Aimee T. Classen
(University of Tennessee, Knoxville) and Paul Hanson (ORNL) for their
helpful reviews of the draft manuscript and Deanne J. Brice (ORNL) for
technical support.
NR 41
TC 31
Z9 32
U1 5
U2 62
PU ECOLOGICAL SOC AMER
PI WASHINGTON
PA 1990 M STREET NW, STE 700, WASHINGTON, DC 20036 USA
SN 0012-9658
EI 1939-9170
J9 ECOLOGY
JI Ecology
PD JAN
PY 2011
VL 92
IS 1
BP 133
EP 139
PG 7
WC Ecology
SC Environmental Sciences & Ecology
GA 750MS
UT WOS:000289552200015
PM 21560683
ER
PT J
AU van der Leeuw, S
Costanza, R
Aulenbach, S
Brewer, S
Burek, M
Cornell, S
Crumley, C
Dearing, JA
Downy, C
Graumlich, LJ
Heckbert, S
Hegmon, M
Hibbard, K
Jackson, ST
Kubiszewski, I
Sinclair, P
Sorlin, S
Steffen, W
AF van der Leeuw, Sander
Costanza, Robert
Aulenbach, Steve
Brewer, Simon
Burek, Michael
Cornell, Sarah
Crumley, Carole
Dearing, John A.
Downy, Catherine
Graumlich, Lisa J.
Heckbert, Scott
Hegmon, Michelle
Hibbard, Kathy
Jackson, Stephen T.
Kubiszewski, Ida
Sinclair, Paul
Sorlin, Sverker
Steffen, Will
TI Toward an Integrated History to Guide the Future
SO ECOLOGY AND SOCIETY
LA English
DT Article
DE agency; anthropocene; backcasting; causality; contingency; holistic
approach; integrated history; long-term perspective; resilience; social
and ecological systems
ID CLIMATE-CHANGE; LONG; MANAGEMENT; ECOLOGY
AB Many contemporary societal challenges manifest themselves in the domain of human-environment interactions. There is a growing recognition that responses to these challenges formulated within current disciplinary boundaries, in isolation from their wider contexts, cannot adequately address them. Here, we outline the need for an integrated, transdisciplinary synthesis that allows for a holistic approach, and, above all, a much longer time perspective. We outline both the need for and the fundamental characteristics of what we call "integrated history." This approach promises to yield new understandings of the relationship between the past, present, and possible futures of our integrated human-environment system. We recommend a unique new focus of our historical efforts on the future, rather than the past, concentrated on learning about future possibilities from history. A growing worldwide community of transdisciplinary scholars is forming around building this Integrated History and future of People on Earth (IHOPE). Building integrated models of past human societies and their interactions with their environments yields new insights into those interactions and can help to create a more sustainable and desirable future. The activity has become a major focus within the global change community.
C1 [van der Leeuw, Sander; Hegmon, Michelle] Arizona State Univ, Tempe, AZ 85287 USA.
[Costanza, Robert; Heckbert, Scott; Kubiszewski, Ida] Portland State Univ, Inst Sustainable Solut, Portland, OR 97207 USA.
[Brewer, Simon] Univ Utah, Salt Lake City, UT 84112 USA.
[Cornell, Sarah; Downy, Catherine] Univ Bristol, Bristol BS8 1TH, Avon, England.
[Crumley, Carole] Univ N Carolina, Chapel Hill, NC USA.
[Crumley, Carole; Sorlin, Sverker] Stockholm Resilience Ctr, Stockholm, Sweden.
[Dearing, John A.] Univ Southampton, Southampton SO9 5NH, Hants, England.
[Graumlich, Lisa J.] Univ Washington, Seattle, WA 98195 USA.
[Hibbard, Kathy] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Jackson, Stephen T.] Univ Wyoming, Laramie, WY 82071 USA.
[Sinclair, Paul] Uppsala Univ, Uppsala, Sweden.
[Sorlin, Sverker] Royal Inst Technol, Stockholm, Sweden.
[Steffen, Will] Australian Natl Univ, Canberra, ACT 0200, Australia.
RP van der Leeuw, S (reprint author), Arizona State Univ, Tempe, AZ 85287 USA.
RI Cornell, Sarah/A-6502-2011; Dearing, John/E-4206-2010; Costanza,
Robert/A-4912-2008; Cornell, Sarah/F-7003-2014; Kubiszewski,
Ida/A-5146-2012;
OI Cornell, Sarah/0000-0003-4367-1296; Costanza,
Robert/0000-0001-6348-8734; Cornell, Sarah/0000-0003-4367-1296;
Kubiszewski, Ida/0000-0003-3264-7899; Aulenbach,
Steve/0000-0002-0172-6538
FU National Center for Ecological Analysis and Synthesis; NSF [EF-0553768];
University of California, Santa Barbara; State of California; Uppsala
University; Stockholm Resilience Center; University of Bristol; Arizona
State University; Portland State University
FX This work was conducted as a part of the Integrated History and Future
of People on Earth (IHOPE) Working Group supported by the National
Center for Ecological Analysis and Synthesis, a Center funded by NSF
(Grant #EF-0553768), the University of California, Santa Barbara, and
the State of California. We thank three anonymous reviewers for their
helpful comments on earlier drafts. We also acknowledge Uppsala
University, the Stockholm Resilience Center, the Quest program at the
University of Bristol, Arizona State University, and Portland State
University for support of this work and the IHOPE initiative generally.
NR 34
TC 26
Z9 26
U1 1
U2 44
PU RESILIENCE ALLIANCE
PI WOLFVILLE
PA ACADIA UNIV, BIOLOGY DEPT, WOLFVILLE, NS B0P 1X0, CANADA
SN 1708-3087
J9 ECOL SOC
JI Ecol. Soc.
PY 2011
VL 16
IS 4
AR 2
DI 10.5751/ES-04341-160402
PG 11
WC Ecology; Environmental Studies
SC Environmental Sciences & Ecology
GA 872WS
UT WOS:000298841900010
ER
PT J
AU Newes, E
Inman, D
Bush, B
AF Newes, Emily
Inman, Daniel
Bush, Brian
BE Bernardes, MAD
TI Understanding the Developing Cellulosic Biofuels Industry through
Dynamic Modeling
SO ECONOMIC EFFECTS OF BIOFUEL PRODUCTION
LA English
DT Article; Book Chapter
C1 [Newes, Emily; Inman, Daniel; Bush, Brian] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Newes, E (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
NR 11
TC 2
Z9 2
U1 0
U2 0
PU INTECH EUROPE
PI RIJEKA
PA JANEZA TRDINE9, RIJEKA, 51000, CROATIA
BN 978-953-307-178-7
PY 2011
BP 373
EP 404
D2 10.5772/697
PG 32
WC Agricultural Economics & Policy; Economics; Energy & Fuels;
Environmental Studies
SC Agriculture; Business & Economics; Energy & Fuels; Environmental
Sciences & Ecology
GA BG0RD
UT WOS:000386478100019
ER
PT J
AU Tekabe, Y
Shen, XP
Luma, J
Weisenberger, D
Yan, SF
Haubner, R
Schmidt, AM
Johnson, L
AF Tekabe, Yared
Shen, Xiaoping
Luma, Joane
Weisenberger, Drew
Yan, Shi Fang
Haubner, Roland
Schmidt, Ann Marie
Johnson, Lynne
TI Imaging the effect of receptor for advanced glycation endproducts on
angiogenic response to hindlimb ischemia in diabetes
SO EJNMMI RESEARCH
LA English
DT Article
AB Background: Receptor for advanced glycation endproducts (RAGE) expression contributes to the impaired angiogenic response to limb ischemia in diabetes. The aim of this study was to detect the effect of increased expression of RAGE on the angiogenic response to limb ischemia in diabetes by targeting alpha(v)beta(3) integrin with Tc-99m-labeled Arg-Gly-Asp (RGD).
Methods: Male wild-type (WT) C57BL/6 mice were either made diabetic or left as control for 2 months when they underwent femoral artery ligation. Four groups were studied at days 3 to 7 after ligation: WT without diabetes (NDM) (n = 14), WT with diabetes (DM) (n = 14), RAGE(-/-) NDM (n = 16), and RAGE(-/-) DM (n = 14). Mice were injected with Tc-99m-HYNIC-RGD and imaged. Count ratios for ischemic/non-ischemic limbs were measured. Muscle was stained for RAGE, alpha(v)beta(3), and lectins.
Results: There was no difference in count ratio between RAGE(-/-) and WT NDM groups. Mean count ratio was lower for WT DM (1.38 +/- 0.26) vs. WT NDM (1.91 +/- 0.34) (P<0.001). Mean count ratio was lower for the RAGE(-/-) DM group than for RAGE(-/-) NDM group (1.75 +/- 0.22 vs. 2.02 +/- 0.29) (P<0.001) and higher than for the WT DM group (P<0.001). Immunohistopathology supported the scan findings.
Conclusions: In vivo imaging of alpha(v)beta(3) integrin can detect the effect of RAGE on the angiogenic response to limb ischemia in diabetes.
C1 [Tekabe, Yared; Luma, Joane; Johnson, Lynne] Columbia Univ, Med Ctr, Dept Med, New York, NY 10032 USA.
[Shen, Xiaoping; Yan, Shi Fang; Schmidt, Ann Marie] Columbia Univ, Med Ctr, Dept Surg, New York, NY 10032 USA.
[Shen, Xiaoping; Yan, Shi Fang; Schmidt, Ann Marie] NYU, Med Ctr, Dept Med, New York, NY 10032 USA.
[Weisenberger, Drew] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
[Haubner, Roland] Med Univ Innsbruck, Dept Nucl Med, A-6020 Innsbruck, Austria.
RP Johnson, L (reprint author), Columbia Univ, Med Ctr, Dept Med, New York, NY 10032 USA.
EM lj2129@columbia.edu
FU NHLBI NIH HHS [P01 HL060901]
NR 23
TC 4
Z9 4
U1 0
U2 0
PU SPRINGER HEIDELBERG
PI HEIDELBERG
PA TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY
SN 2191-219X
J9 EJNMMI RES
JI EJNMMI Res.
PY 2011
VL 1
AR 3
DI 10.1186/2191-219X-1-3
PG 9
WC Radiology, Nuclear Medicine & Medical Imaging
SC Radiology, Nuclear Medicine & Medical Imaging
GA V39UJ
UT WOS:000209435600003
PM 22214528
ER
PT J
AU Heydt, GT
Vittal, V
Malhara, S
Makarov, YV
Zhou, N
Etingov, PV
AF Heydt, G. T.
Vittal, V.
Malhara, S.
Makarov, Y. V.
Zhou, N.
Etingov, P. V.
TI Characterization and Impact of Extreme Forecast Errors on Power Systems
SO ELECTRIC POWER COMPONENTS AND SYSTEMS
LA English
DT Article
DE wind energy; renewable generation; wind forecast; generation reserve;
forecast error
ID CAPACITY; DEMAND
AB Extreme events in the electrical power system, caused by the load and wind forecasting errors, can impact the power system infrastructure via two main avenues. The first avenue is a sudden and significant power unbalance exceeding reasonable operating reserve capacity. The second is a sudden increase of power flows on the system critical paths causing transmission violations. The challenge in managing these system unbalances is more significant for a stand-alone balancing area operation. The consolidation of balancing authorities into a single balancing area can offset the operating reserve problem, but this strategy enhances incremental power flows on the transmission interfaces, potentially leading to more unpredictable transmission congestion. This article evaluates the expectation of occurrence of extreme events due to forecast error extremes using California Independent System Operator and Bonneville Power Administration data. Having this type of information, independent system operators and operating utilities could be better prepared to address the extreme events by exploring alternative reserve options, such as wide-area control coordination, new operating procedures, and remedial actions.
C1 [Heydt, G. T.; Vittal, V.] Arizona State Univ, Dept Elect Comp & Energy Engn, Tempe, AZ 85281 USA.
[Malhara, S.] Vestas Technol R&D Amer, Houston, TX USA.
[Makarov, Y. V.; Zhou, N.; Etingov, P. V.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Heydt, GT (reprint author), Arizona State Univ, Dept Elect Comp & Energy Engn, POB 875706, Tempe, AZ 85281 USA.
EM heydt@asu.edu
NR 23
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Z9 1
U1 1
U2 5
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
SN 1532-5008
J9 ELECTR POW COMPO SYS
JI Electr. Power Compon. Syst.
PY 2011
VL 39
IS 15
BP 1685
EP 1700
DI 10.1080/15325008.2011.608766
PG 16
WC Engineering, Electrical & Electronic
SC Engineering
GA 887RC
UT WOS:000299945500006
ER
PT J
AU Riley, LA
Cavanagh, AS
George, SM
Lee, SH
Dillon, AC
AF Riley, Leah A.
Cavanagh, Andrew S.
George, Steven M.
Lee, Se-Hee
Dillon, Anne C.
TI Improved Mechanical Integrity of ALD-Coated Composite Electrodes for
Li-Ion Batteries
SO ELECTROCHEMICAL AND SOLID STATE LETTERS
LA English
DT Article
ID POLYVINYLIDENE FLUORIDE; ANODE; NANOPARTICLES; BINDER; CREEP; FILMS
AB Mechanical properties of MoO(3) composite anodes coated with Al(2)O(3) by atomic layer deposition (ALD) were examined using nanoindentation and nanoscratching. Significant improvement in adhesion to the current collector for the ALD-coated MoO(3) is observed. This improved adhesion enables enhanced electrical conductivity for these high capacity/high volume expansion materials, suggesting the potential of these coatings for high-energy density Li-ion batteries suitable for vehicular applications. (C) 2010 The Electrochemical Society. [DOI: 10.1149/1.3529367] All rights reserved.
C1 [Riley, Leah A.; Lee, Se-Hee] Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA.
[Cavanagh, Andrew S.] Univ Colorado, Dept Phys, Boulder, CO 80309 USA.
[George, Steven M.] Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USA.
[Riley, Leah A.; Dillon, Anne C.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Riley, LA (reprint author), Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA.
EM Anne.dillon@nrel.gov
RI Lee, Sehee/A-5989-2011; George, Steven/O-2163-2013
OI George, Steven/0000-0003-0253-9184
FU U.S. Department of Energy through DOE Office of Energy Efficiency and
Renewable Energy Office of the Vehicle Technologies Program
[DE-AC36-08GO28308]; DARPA/MEMS S&T Fundamentals Program
[HR0011-06-1-0048]
FX This work was funded by the U.S. Department of Energy under subcontract
no. DE-AC36-08GO28308 through the DOE Office of Energy Efficiency and
Renewable Energy Office of the Vehicle Technologies Program. S. M. G.
and A. S. C. thank the DARPA Center on Nanoscale Science and Technology
for Integrated Micro/NanoElectromechanical Transducers (iMINT), and are
funded by DARPA/MEMS S&T Fundamentals Program (HR0011-06-1-0048). We
acknowledge Rachel Paietta and Dr. Virginia Ferguson for assistance with
the nanoindentation and nanoscratch tests.
NR 16
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U1 5
U2 39
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 1099-0062
J9 ELECTROCHEM SOLID ST
JI Electrochem. Solid State Lett.
PY 2011
VL 14
IS 3
BP A29
EP A31
DI 10.1149/1.3529367
PG 3
WC Electrochemistry; Materials Science, Multidisciplinary
SC Electrochemistry; Materials Science
GA 703JL
UT WOS:000285974100002
ER
PT J
AU Trahey, L
Johnson, CS
Vaughey, JT
Kang, SH
Hardwick, LJ
Freunberger, SA
Bruce, PG
Thackeray, MM
AF Trahey, L.
Johnson, C. S.
Vaughey, J. T.
Kang, S. -H.
Hardwick, L. J.
Freunberger, S. A.
Bruce, P. G.
Thackeray, M. M.
TI Activated Lithium-Metal-Oxides as Catalytic Electrodes for Li-O-2 Cells
SO ELECTROCHEMICAL AND SOLID STATE LETTERS
LA English
DT Article
ID MANGANESE OXIDES; ION BATTERIES; ELECTROLYTES; SOLVENTS; CATHODE; MN
AB Lithium-metal oxides with a high formal Li2O content, such as Li5FeO4 (5Li2O center dot Fe2O3) and a Li2MnO3 center dot LiFeO2 composite ({Li2O center dot MnO2}center dot{Li2O center dot Fe(2)O(3)g) have been explored as electrocatalysts for primary and rechargeable Li-O-2 cells. Activation occurs predominantly by Li2O removal, either electrochemically or chemically by acid-treatment. Superior electrochemical behavior is obtained if activation occurs by acid-treatment; Li2MnO3 center dot LiFeO2 catalysts provide 2516 mAh/g (carbon) corresponding to 931 mAh/g (electrocatalyst + carbon) during the initial discharge. The reaction is reasonably reversible during the early cycles. The approach has implications for designing electrocatalysts that participate through electrochemical Li2O extraction/reformation reactions, offering exceptionally high capacities. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3555366] All rights reserved.
C1 [Trahey, L.; Johnson, C. S.; Vaughey, J. T.; Kang, S. -H.; Thackeray, M. M.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
[Hardwick, L. J.; Freunberger, S. A.; Bruce, P. G.] Univ St Andrews, Sch Chem, St Andrews KY16 9ST, Fife, Scotland.
RP Trahey, L (reprint author), Argonne Natl Lab, Chem Sci & Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM trahey@anl.gov
RI Freunberger, Stefan/F-5221-2012;
OI Freunberger, Stefan/0000-0003-2902-5319; Vaughey,
John/0000-0002-2556-6129
FU U.S. Department of Energy; U.S. Department of Energy Office of Science
laboratory [DE-AC02-06CH11357]
FX Financial support from the U.S. Department of Energy is gratefully
acknowledged. Elemental analysis using ICP-OES was provided by Alice
Essling and Seema Naik of Argonne's Analytical Chemistry Laboratory.;
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 22
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U1 9
U2 123
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 1099-0062
J9 ELECTROCHEM SOLID ST
JI Electrochem. Solid State Lett.
PY 2011
VL 14
IS 5
BP A64
EP A66
DI 10.1149/1.3555366
PG 3
WC Electrochemistry; Materials Science, Multidisciplinary
SC Electrochemistry; Materials Science
GA 731SE
UT WOS:000288128800002
ER
PT J
AU Xun, S
Song, X
Grass, ME
Roseguo, DK
Liu, Z
Battaglia, VS
Liu, G
AF Xun, S.
Song, X.
Grass, M. E.
Roseguo, D. K.
Liu, Z.
Battaglia, V. S.
Liu, G.
TI Improved Initial Performance of Si Nanoparticles by Surface Oxide
Reduction for Lithium-Ion Battery Application
SO ELECTROCHEMICAL AND SOLID STATE LETTERS
LA English
DT Article
ID RECHARGEABLE BATTERIES; SILICON; ANODES; ELECTRODES; STORAGE
AB This study characterizes the native oxide layer of Si nanoparticles and evaluates its effect on their performance for Li-ion batteries. x-ray photoelectron spectroscopy and transmission electron microscopy were applied to identify the chemical state and morphology of the native oxide layer. Elemental and thermogravimetric analysis were used to estimate the oxide content for the Si samples. Hydrofluoric acid was used to reduce the oxide layer. A correlation between etching time and oxide content was established. The initial electrochemical performances indicate that the reversible capacity of etched Si nanoparticles was enhanced significantly compared with that of the as-received Si sample. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3559765] All rights reserved.
C1 [Xun, S.; Song, X.; Battaglia, V. S.; Liu, G.] Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94710 USA.
[Grass, M. E.; Liu, Z.] Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94710 USA.
[Roseguo, D. K.] Calif State Polytech Univ Pomona, Dept Aerosp Engn, Pomona, CA 91768 USA.
RP Xun, S (reprint author), Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94710 USA.
EM gliu@lbl.gov
RI Liu, Zhi/B-3642-2009
OI Liu, Zhi/0000-0002-8973-6561
FU Office of Vehicle Technologies of the U.S. DOE [DE-AC03-76SF00098];
Office of Science, Office of Basic Energy Sciences, of the U.S. DOE
[DE-AC02-05CH11231]; Advanced Light Source Postdoctoral Fellowship
program
FX This work was funded by the Assistant Secretary for Energy Efficiency,
Office of Vehicle Technologies of the U.S. DOE under Contract No.
DE-AC03-76SF00098. TEM and XPS were performed at National Center for
Electron Microscopy and the Molecular Foundry, funded by Office of
Science, Office of Basic Energy Sciences, of the U.S. DOE under Contract
No. DE-AC02-05CH11231. MEG is supported by the Advanced Light Source
Postdoctoral Fellowship program. DKR was a summer intern at LBNL through
the Science Undergraduate Laboratory Internship program. W. Maria Wang
performed advanced editing of the manuscript.
NR 17
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U1 4
U2 38
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 1099-0062
EI 1944-8775
J9 ELECTROCHEM SOLID ST
JI Electrochem. Solid State Lett.
PY 2011
VL 14
IS 5
BP A61
EP A63
DI 10.1149/1.3559765
PG 3
WC Electrochemistry; Materials Science, Multidisciplinary
SC Electrochemistry; Materials Science
GA 731SE
UT WOS:000288128800001
ER
PT J
AU Saraf, LV
AF Saraf, Laxmikant V.
TI Imaging Chemical Aggregation of Ni/NiO Particles from Reduced NiO-YSZ
SO ELECTROCHEMICAL AND SOLID STATE LETTERS
LA English
DT Article
ID NICKEL-OXIDE; REDUCTION; HYDROGEN; MICROSTRUCTURE; ANODE; KINETICS
AB Energy dispersive X-ray spectroscopy (EDS) mapping of nickel oxide yttria-stabilized zirconia (NiO-YSZ) was carried out after various hydrogen reducing and methane steam reforming conditions. Nickel aggregation was visualized after methane steam reforming by correlating Ni K alpha map with scanning transmission electron microscopy (STEM) images. From the reduced O K alpha intensities in the Ni K alpha dominated regions after methane steam reforming, NiO reduction in to Ni can be interpreted. From correlation between Zr K alpha and O K alpha maps, high stability of YSZ was also realized. Examples of NiO-YSZ overlapped particles are considered to discuss chemical imaging of a single particle. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3610426] All rights reserved.
C1 Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
RP Saraf, LV (reprint author), Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
EM Lax.Saraf@pnl.gov
FU DOE's Office of Fossil Energy; BER [DE-AC06-76RL01830]
FX The author would like to thank Dr. J.J. Strohm and Dr. D. L. King for
providing NiO-YSZ samples prepared under the partial financial support
from Solid State Energy Conversion Alliance (SECA) program of DOE's
Office of Fossil Energy. The research was performed using microscopy
resources at the Environmental Molecular Sciences Laboratory (EMSL), a
national scientific user facility from DOE's Office of Biological and
Environmental Research at Pacific Northwest National Laboratory (PNNL).
PNNL is operated by Battelle for the US DOE. The funding support is
provided by BER through the grant DE-AC06-76RL01830.
NR 14
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Z9 1
U1 1
U2 5
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 1099-0062
J9 ELECTROCHEM SOLID ST
JI Electrochem. Solid State Lett.
PY 2011
VL 14
IS 10
BP B100
EP B104
DI 10.1149/1.3610426
PG 5
WC Electrochemistry; Materials Science, Multidisciplinary
SC Electrochemistry; Materials Science
GA 824OM
UT WOS:000295211600009
ER
PT J
AU Raja, KS
Smith, YR
Kondamudi, N
Manivannan, A
Misra, M
Subramanian, V
AF Raja, K. S.
Smith, Y. R.
Kondamudi, N.
Manivannan, A.
Misra, M.
Subramanian, Vaidyanathan (Ravi)
TI CO2 Photoreduction in the Liquid Phase over Pd-Supported on TiO2
Nanotube and Bismuth Titanate Photocatalysts
SO ELECTROCHEMICAL AND SOLID STATE LETTERS
LA English
DT Article
ID ACID FUEL-CELLS; CARBON-DIOXIDE; REDUCTION; CATALYSTS; TITANIUM;
OXIDATION
AB A comparison of two film-based photocatalysts-anodized titanium oxide nanotubes (T-NT) and bismuth titanate (BTO) decorated with palladium (Pd) nanoparticles-for the photocatalytic reduction of carbon dioxide (CO2) in the liquid phase is presented. CO2 photoreduction was performed by illuminating a CO2-saturated H2SO4 solution in the presence of Pd_T-NT and Pd_BTO. The formation of formic acid as at least one of the products is clearly evident from cyclic voltammetry and confirmed using chromatographic analysis. Pd_BTO shows approximately a 2-fold increase in the formic acid yield compared to Pd_T-NT. Preliminary Mott-Schottky analysis attributes this improvement to better charge separation in Pd_BTO. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3543567] All rights reserved.
C1 [Raja, K. S.; Smith, Y. R.; Kondamudi, N.; Misra, M.; Subramanian, Vaidyanathan (Ravi)] Univ Nevada, Dept Chem & Met Engn, Reno, NV 89557 USA.
[Manivannan, A.] US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA.
RP Raja, KS (reprint author), Univ Nevada, Dept Chem & Met Engn, Reno, NV 89557 USA.
EM ravisv@unr.edu
RI Manivannan, Ayyakkannu/A-2227-2012; gao, erping/D-4499-2011; kondamudi,
narasimha/L-9978-2015
OI Manivannan, Ayyakkannu/0000-0003-0676-7918; kondamudi,
narasimha/0000-0003-3998-0707
FU Department of Energy; [EE000027]
FX R.S.V. greatly appreciates the funding from the Department of Energy.
Funding Award No. EE000027. The contribution from Sohana Khanal is
acknowledged. Dr. Mojthaba helped with the SEM analysis.
NR 20
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U1 4
U2 51
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 1099-0062
J9 ELECTROCHEM SOLID ST
JI Electrochem. Solid State Lett.
PY 2011
VL 14
IS 5
BP F5
EP F8
DI 10.1149/1.3543567
PG 4
WC Electrochemistry; Materials Science, Multidisciplinary
SC Electrochemistry; Materials Science
GA 731SE
UT WOS:000288128800014
ER
PT J
AU Cho, NG
Seo, H
Kim, DH
Kim, HG
Kim, J
Kim, ID
AF Cho, Nam Gyu
Seo, Hyungtak
Kim, Dong Hun
Kim, Ho-Gi
Kim, Jinwoo
Kim, Il-Doo
TI Characterization on Bandedge Electronic Structure of MgO Added
Bi1.5Zn1.0Nb1.5O7 Gate Dielectrics for ZnO-Thin Film Transistors
SO ELECTROCHEMICAL AND SOLID STATE LETTERS
LA English
DT Article
ID OXIDE SEMICONDUCTORS; TRANSPARENT; INSULATOR
AB Significantly reduced leakage current characteristics of the Bi1.5Zn1.0Nb1.5O7 (BZN) gate dielectric for producing high-performance ZnO-thin film transistors (TFTs) were achieved by an addition of MgO (30 atom %). The overall TFT parameters using MgO-BZN gate insulator against those that used pure BZN dielectric were enhanced remarkably. The diphasic MgO-BZN composite oxide structure was confirmed by an analysis of the spectroscopically detected bandedge electronic structures. The bandgap energy of MgO-BZN was identical to that of BZN at similar to 3.3 eV, but the Fermi energy level was shifted to 1.2 eV from 0.6 eV for BZN against the valence bandedge. (C) 2010 The Electrochemical Society. [DOI: 10.1149/1.3508481] All rights reserved.
C1 [Cho, Nam Gyu; Kim, Il-Doo] Korea Inst Sci & Technol, Optelect Mat Ctr, Seoul 130650, South Korea.
[Cho, Nam Gyu; Kim, Ho-Gi] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea.
[Seo, Hyungtak] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
[Seo, Hyungtak] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Kim, Dong Hun] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA.
[Kim, Jinwoo] N Carolina State Univ, Dept Mat Sci & Engn, Raleigh, NC 27695 USA.
RP Cho, NG (reprint author), Korea Inst Sci & Technol, Optelect Mat Ctr, Seoul 130650, South Korea.
EM hseo@lbl.gov; idkim@kist.re.kr
RI Kim, Il-Doo/C-1850-2011; Kim, Jinwoo/G-7223-2012
FU KIST [2E21632]
FX This work was supported by KIST research program (grant no. 2E21632).
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U1 2
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PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 1099-0062
J9 ELECTROCHEM SOLID ST
JI Electrochem. Solid State Lett.
PY 2011
VL 14
IS 1
BP G4
EP G7
DI 10.1149/1.3508481
PG 4
WC Electrochemistry; Materials Science, Multidisciplinary
SC Electrochemistry; Materials Science
GA 681LT
UT WOS:000284317600013
ER
PT J
AU Lo, CF
Liu, L
Kang, TS
Davies, R
Gila, BP
Pearton, SJ
Kravchenko, II
Laboutin, O
Cao, Y
Johnson, WJ
Ren, F
AF Lo, Chien-Fong
Liu, Lu
Kang, Tsung-Sheng
Davies, Ryan
Gila, Brent P.
Pearton, S. J.
Kravchenko, I. I.
Laboutin, O.
Cao, Yu
Johnson, Wayne J.
Ren, Fan
TI Improvement of Off-State Stress Critical Voltage by Using Pt-Gated
AlGaN/GaN High Electron Mobility Transistors
SO ELECTROCHEMICAL AND SOLID STATE LETTERS
LA English
DT Article
ID SCHOTTKY CONTACTS; OHMIC CONTACTS; HEMTS; GAN; DEGRADATION; RELIABILITY;
PERFORMANCE; STABILITY; MECHANISM; MBE
AB By replacing the commonly used Ni/Au gate metallization with Pt/Ti/Au, the critical voltage for degradation of AlGaN/GaN High Electron Mobility Transistors (HEMTs) during off-state biasing stress was significantly increased. The typical critical voltage for HEMTs with Ni/Au gate metallization was around -55 V. By sharp contrast, no critical voltage was observed for the HEMTs with Pt/Ti/Au gate metallization, even up -100 V, which was the instrumental limitation in this experiment. Both Schottky forward and reverse gate characteristics of the Ni/Au degraded once the gate voltage passed the critical voltage of -55 V. There was no degradation exhibited for the HEMTs with Pt-gated HEMTs. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3578388] All rights reserved.
C1 [Lo, Chien-Fong; Liu, Lu; Kang, Tsung-Sheng; Ren, Fan] Univ Florida, Dept Chem Engn, Gainesville, FL 32611 USA.
[Davies, Ryan; Gila, Brent P.; Pearton, S. J.] Univ Florida, Dept Mat Sci & Engn, Gainesville, FL 32611 USA.
[Kravchenko, I. I.] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37830 USA.
[Laboutin, O.; Cao, Yu; Johnson, Wayne J.] Kopin Corp, Taunton, MA 02780 USA.
RP Lo, CF (reprint author), Univ Florida, Dept Chem Engn, Gainesville, FL 32611 USA.
EM ren@che.ufl.edu
RI Cao, Yu/E-4990-2011; LIU, LU/H-2307-2013; Kravchenko, Ivan/K-3022-2015
OI LIU, LU/0000-0001-7256-3775; Kravchenko, Ivan/0000-0003-4999-5822
FU AFOSR MURI; Office of Basic Energy Sciences, U.S. Department of Energy
at Oak Ridge National Laboratory
FX The work performed at UF is supported by an AFOSR MURI monitored by
Gregg Jessen and Kitt Reinhardt. A portion of this research was
conducted at the Center for Nanophase Materials Sciences, which is
sponsored at Oak Ridge National Laboratory by the Office of Basic Energy
Sciences, U.S. Department of Energy.
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PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 1099-0062
J9 ELECTROCHEM SOLID ST
JI Electrochem. Solid State Lett.
PY 2011
VL 14
IS 7
BP H264
EP H267
DI 10.1149/1.3578388
PG 4
WC Electrochemistry; Materials Science, Multidisciplinary
SC Electrochemistry; Materials Science
GA 759VK
UT WOS:000290276400012
ER
PT J
AU Lamaka, SV
Taryba, M
Montemor, MF
Isaacs, HS
Ferreira, MGS
AF Lamaka, S. V.
Taryba, M.
Montemor, M. F.
Isaacs, H. S.
Ferreira, M. G. S.
TI Quasi-simultaneous measurements of ionic currents by vibrating probe and
pH distribution by ion-selective microelectrode
SO ELECTROCHEMISTRY COMMUNICATIONS
LA English
DT Article
DE SVET; Simultaneous; pH; Vibrating probe; SIET
ID CORROSION PROTECTION; GALVANIZED STEEL; CUT EDGE; SVET; MICROSCOPY;
COMPOSITES; ALUMINUM; ALLOY
AB This work reports a new methodology to measure quasi-simultaneously the local electric fields and the distribution of specific ions in a solution via selective microelectrodes. The field produced by the net electric current was detected using the scanning vibrating electrode technique (SVET) with quasi-simultaneous measurements of pH with an ion-selective microelectrode (pH-SME). The measurements were performed in a validation cell providing a 48 mu m diameter Pt wire cross section as a source of electric current. A time lag between acquiring each current density and pH data-point was 1.5 s due to the response time of pH-SME. The quasi-simultaneous SVET-pH measurements that correlate electrochemical oxidation-reduction processes with acid-base chemical equilibria are reported for the first time. No cross-talk between the vibrating microelectrode and the ion-selective microelectrode could be detected under given experimental conditions. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Lamaka, S. V.; Taryba, M.; Montemor, M. F.] Univ Tecn Lisboa, ICEMS, Inst Super Tecn, Lisbon, Portugal.
[Isaacs, H. S.] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
[Ferreira, M. G. S.] Univ Aveiro, CICECO, Dep Ceram & Glass Eng, P-3810193 Aveiro, Portugal.
RP Lamaka, SV (reprint author), Univ Tecn Lisboa, ICEMS, Inst Super Tecn, Av Rovisco Pais 1049-001, Lisbon, Portugal.
EM sviatlana.lamaka@ist.utl.pt
RI Lamaka, Svetlana/D-4259-2014; Ferreira, Mario/D-5869-2014; MONTEMOR,
FATIMA/D-8976-2012;
OI Ferreira, Mario/0000-0002-2071-9851; MONTEMOR,
FATIMA/0000-0001-7835-6814; Lamaka, Sviatlana/0000-0002-0349-0899
FU Portuguese FCT [PTDC/CTM/65632/2006, PTDC/CTM/108446/2008]; U.S.
Department of Energy, Divisions of Chemical and Material Sciences
[DE-AC02-98CH10886]
FX The financial support of the Portuguese FCT, through projects
PTDC/CTM/65632/2006 and PTDC/CTM/108446/2008 is gratefully acknowledged.
Work of HSI was assisted by the U.S. Department of Energy, Divisions of
Chemical and Material Sciences under the Contract No. DE-AC02-98CH10886.
Advice and maintenance of the SVET/SIET system by Alan M. Shipley of
Applicable Electronics is also acknowledged.
NR 32
TC 25
Z9 25
U1 3
U2 42
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 JAN
PY 2011
VL 13
IS 1
BP 20
EP 23
DI 10.1016/j.elecom.2010.11.002
PG 4
WC Electrochemistry
SC Electrochemistry
GA 715AY
UT WOS:000286854000006
ER
PT J
AU Shin, HC
Nam, KW
Chang, WY
Cho, BW
Yoon, WS
Yang, XQ
Chung, KY
AF Shin, Ho Chul
Nam, Kyung Wan
Chang, Won Young
Cho, Byung Won
Yoon, Won-Sub
Yang, Xiao-Qing
Chung, Kyung Yoon
TI Comparative studies on C-coated and uncoated LiFePO4 cycling at various
rates and temperatures using synchrotron based in situ X-ray diffraction
SO ELECTROCHIMICA ACTA
LA English
DT Article
DE LiFePO4; In situ X-ray diffraction; Low temperature performance; Rate
performance; Lithium secondary batteries
ID LITHIUM BATTERIES; PHOSPHO-OLIVINES; ELECTRODES; SPECTROSCOPY;
ABSORPTION; LIXFEPO4
AB The structural changes of LiFePO4 and C-coated LiFePO4 during charging at various C-rates and temperatures are investigated using synchrotron based in situ X-ray diffraction technique. The XRD patterns collected during cycling show the structural evidence of the positive effects of carbon coating on LiFePO4 for the electrochemical performance improvements at different temperatures, especially at low temperatures. At -10 degrees C, the C-coated LiFePO4 shows comparable capacities with the sample cycled at room temperature when cycled at C/5 rate with a slight shift of the plateau to a higher voltage during charging. The in situ XRD patterns collected simultaneously show a complete phase transformation from triphylite to heterosite. At -20 degrees C, the C-coated LiFePO4 delivers 55.6% of its theoretical capacities at C/5 rate. However, the plateau in the charging curve becomes sloppy and shifts to a higher voltage. The in situ XRD patterns show that the phase transformation from triphylite to heterosite is not completed when charged to 4.5 V due to the larger polarization when charged at -20 degrees C. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Shin, Ho Chul; Chang, Won Young; Cho, Byung Won; Chung, Kyung Yoon] Korea Inst Sci & Technol, Adv Battery Ctr, Seoul 136791, South Korea.
[Nam, Kyung Wan; Yang, Xiao-Qing] Brookhaven Natl Lab, Dept Chem, Upton, NY 11973 USA.
[Yoon, Won-Sub] Kookmin Univ, Sch Adv Mat Engn, Seoul 136702, South Korea.
RP Chung, KY (reprint author), Korea Inst Sci & Technol, Adv Battery Ctr, Seoul 136791, South Korea.
EM kychung@kist.re.kr
RI Nam, Kyung-Wan Nam/G-9271-2011; Yoon, Won-Sub/H-2343-2011; Nam,
Kyung-Wan/B-9029-2013; Nam, Kyung-Wan/E-9063-2015; Chung, Kyung
Yoon/E-4646-2011
OI Nam, Kyung-Wan/0000-0001-6278-6369; Nam, Kyung-Wan/0000-0001-6278-6369;
Chung, Kyung Yoon/0000-0002-1273-746X
FU Ministry of Education, Science and Technology (MEST) [2010-00351];
Office of Vehicle Technologies of the U.S. Department of Energy
[DE-AC02-98CH10886]
FX The work done at KIST was supported by Global Research Lab. Program
through the National Research Foundation of Korea (NRF) funded by the
Ministry of Education, Science and Technology (MEST) (grant number:
2010-00351). The work done at BNL 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 Number
DE-AC02-98CH10886.
NR 13
TC 14
Z9 17
U1 3
U2 30
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0013-4686
EI 1873-3859
J9 ELECTROCHIM ACTA
JI Electrochim. Acta
PD JAN 1
PY 2011
VL 56
IS 3
BP 1182
EP 1189
DI 10.1016/j.electacta.2010.10.087
PG 8
WC Electrochemistry
SC Electrochemistry
GA 746EL
UT WOS:000289225400025
ER
PT B
AU Bae, YS
Joung, M
Yang, HL
Namkung, W
Cho, MH
Park, H
Prater, R
Ellis, RA
Hosea, J
AF Bae, Young-Soon
Joung, M.
Yang, H. L.
Namkung, W.
Cho, M. H.
Park, H.
Prater, R.
Ellis, R. A.
Hosea, J.
BE Prater, R
TI RAY TRACING STUDY OF 170GHZ ELECTRON CYCLOTRON WAVES IN KSTAR PLASMAS
SO ELECTRON CYCLOTRON EMISSION AND ELECTRON CYCLOTRON RESONANCE HEATING
(EC-16)
LA English
DT Proceedings Paper
CT 16th Joint Workshop on Electron Cyclotron Emission and Electron
Cyclotron Resonance Heating (EC-16)
CY APR 12-15, 2010
CL Inst Plasma Phys Chinese Acad Sci, Sanya, PEOPLES R CHINA
HO Inst Plasma Phys Chinese Acad Sci
AB The electron cyclotron heating/current drive (ECH/ECCD) system has become an essential tool for the fusion plasma research in toroidal devices. In Korea Superconducting Tokamak Advanced Research (KSTAR) tokamak, development of high power and multi-frequency ECH/ECCD system is in progress. The frequencies employed in KSTAR are 84 GHz, 110 GHz, and 170 GHz. Multiple frequency sources can easily support the wide range of operating regimes from 1.5 T to 3.5 T in KSTAR tokamak. In particular, the 170 GHz source, that will be adapted to the ITER, corresponds to the second harmonic frequency of the KSTAR operating range from 2.6 T to 3.5 T. This frequency will be mainly used for the control of the local plasma current profile to manipulate the internal MED instabilities such as the neoclassical tearing mode (NTM) critical in high-beta plasma operation. This paper presents simulated ray tracings of the 170 GHz EC waves for a various plasma conditions in KSTAR. The TORAY-GA ray tracing code is used, along with Interactive Data Language (IDL) procedures that create the input files, to study the effect of ECH/ECCD on the plasma equilibrium profiles as a function of the initial density and temperature profiles and of toroidal field.
C1 [Bae, Young-Soon] Natl Fus Res Inst, Gwahangno 113, Daejeon 305333, South Korea.
[Joung, M.; Yang, H. L.] Natl Fus Res Inst, Daejeon 305333, South Korea.
[Namkung, W.; Cho, M. H.; Park, H.] Pohang Univ Sci & Technol, Pohang 790784, South Korea.
[Prater, R.] Gen Atom, San Diego, CA 92186 USA.
[Ellis, R. A.; Hosea, J.] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
RP Bae, YS (reprint author), Natl Fus Res Inst, Gwahangno 113, Daejeon 305333, South Korea.
NR 4
TC 0
Z9 0
U1 0
U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4340-26-7
PY 2011
BP 117
EP 123
PG 7
WC Physics, Fluids & Plasmas
SC Physics
GA BH0BM
UT WOS:000394555300015
ER
PT B
AU Taylor, G
AF Taylor, G.
BE Prater, R
TI SUMMARY OF ECE PRESENTATIONS AT EC-16
SO ELECTRON CYCLOTRON EMISSION AND ELECTRON CYCLOTRON RESONANCE HEATING
(EC-16)
LA English
DT Proceedings Paper
CT 16th Joint Workshop on Electron Cyclotron Emission and Electron
Cyclotron Resonance Heating (EC-16)
CY APR 12-15, 2010
CL Inst Plasma Phys Chinese Acad Sci, Sanya, PEOPLES R CHINA
HO Inst Plasma Phys Chinese Acad Sci
AB At the EC-16 workshop there were 17 presentations primarily on ECE and an invited talk on EBE. There was also a discussion session on the ITER ECE diagnostic system design. ECE imaging, correlation ECE, oblique ECE and EBE imaging diagnostic performance has continued to improve since EC-15. There have been some interesting developments in ECE receiver technology and data analysis that show promise for the future. There is still a need to agree on some potentially critical details of the ITER ECE diagnostic design, and it remains unclear how important the Thomson scattering/ECE discrepancy, seen previously on TFTR and JET, will be for ITER.
C1 [Taylor, G.] Princeton Univ, Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA.
RP Taylor, G (reprint author), Princeton Univ, Plasma Phys Lab, POB 451, Princeton, NJ 08543 USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4340-26-7
PY 2011
BP 151
EP 154
PG 4
WC Physics, Fluids & Plasmas
SC Physics
GA BH0BM
UT WOS:000394555300020
ER
PT B
AU Wan, BN
Ling, BL
Ang, T
Yong, L
Li, EZ
Xiang, H
Yu, CX
Liu, WD
Wen, YZ
Xie, JL
Xu, XY
Wang, J
Xu, M
Gao, BX
Luhmann, NC
Domier, CW
Tobias, BJ
Wang, J
Xia, ZG
Shen, ZW
Philippe, P
Gentle, K
Rowan, W
Huang, H
Prater, R
Taylor, G
AF Wan, Baonian
Ling, Bili
Ang, Ti
Yong, Liu
Li Erzhong
Xiang, Han
Yu, Changxuan
Liu, Wandong
Wen, Yizhi
Xie, Jinlin
Xu, Xiaoyuan
Wang, Jun
Xu, Ming
Gao, Binxi
Luhmann, N. C.
Domier, C. W.
Tobias, Benjamin John
Wang, Jian
Xia, Zhenggang
Shen, Zuowei
Philippe, Perry
Gentle, Kenneth
Rowan, William
Huang, He
Prater, Ron
Taylor, Gary
BE Prater, R
TI EC PROGRAM ON EAST AND HT-7
SO ELECTRON CYCLOTRON EMISSION AND ELECTRON CYCLOTRON RESONANCE HEATING
(EC-16)
LA English
DT Proceedings Paper
CT 16th Joint Workshop on Electron Cyclotron Emission and Electron
Cyclotron Resonance Heating (EC-16)
CY APR 12-15, 2010
CL Inst Plasma Phys Chinese Acad Sci, Sanya, PEOPLES R CHINA
HO Inst Plasma Phys Chinese Acad Sci
ID ELECTRON-TEMPERATURE FLUCTUATIONS; DIAGNOSTIC SYSTEM; TOKAMAK
AB Program of ECH of 4MW at 140 GHz is launched for pressure and current density profile control on EAST. Several ECE diagnostics are under development as important ingredient of the research program of EAST. HT-7 is equipped with a heterodyne radiometer containing 16 channels and a ECE image system with 8(radial)x16(vertical) channels. Physical issues including fluctuation by electron and ion modes, low frequency Zonal Flow, magnetic reconnection mechanism, anomalous Doppler resonance effect, etc were investigated on HT-7. These two systems have been moved to EAST after some modifications. New ECE systems including a 32-channel ECE system covering 104-168 GHz and a ECEI system of 24(radial)x16(vertical) channels are under developing. These two systems are designed to fit the ECH plasma regimes and synergetic work for long range correlation research of plasma turbulence. A grating polychromator ECE system will be installed soon for Te profile measurement covering whole operation range of toroidal magnetic field on EAST.
C1 [Wan, Baonian; Ling, Bili; Ang, Ti; Yong, Liu; Li Erzhong; Xiang, Han] Chinese Acad Sci, Inst Plasma Phys, Hefei, Peoples R China.
[Yu, Changxuan; Liu, Wandong; Wen, Yizhi; Xie, Jinlin; Xu, Xiaoyuan; Wang, Jun; Xu, Ming; Gao, Binxi] Univ Sci & Technol China, Hefei, Peoples R China.
[Luhmann, N. C.; Domier, C. W.; Tobias, Benjamin John; Wang, Jian; Xia, Zhenggang; Shen, Zuowei] UC, Davis, CA USA.
[Philippe, Perry; Gentle, Kenneth; Rowan, William; Huang, He] UT Austin, Fus Res Ctr, Austin, TX USA.
[Prater, Ron] Gen Atom, San Diego, CA USA.
[Taylor, Gary] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
RP Wan, BN (reprint author), Chinese Acad Sci, Inst Plasma Phys, Hefei, Peoples R China.
FU National Natural Science Foundation of China [10725523, 10990212,
10721505]
FX Work was supported by the National Natural Science Foundation of China
under Grant No. 10725523, No. 10990212 and No. 10721505.
NR 12
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U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4340-26-7
PY 2011
BP 155
EP 167
PG 13
WC Physics, Fluids & Plasmas
SC Physics
GA BH0BM
UT WOS:000394555300021
ER
PT B
AU Udintsev, VS
Vayakis, G
Cantone, B
Encheva, A
Walker, C
Benchikhoune, M
Costley, AE
Dammann, A
Henderson, MA
Kuehn, I
Lee, CH
Levesy, B
Martin, A
Patel, KM
Pitcher, CS
Tesini, A
Utin, Y
Walsh, MJ
Danani, S
Pandya, H
Vasu, P
Austin, M
Rowan, W
Feder, R
Johnson, D
Shelukhin, D
Vershkov, V
Counsell, G
Ingesson, C
Arshad, S
AF Udintsev, V. S.
Vayakis, G.
Cantone, B.
Encheva, A.
Walker, C.
Benchikhoune, M.
Costley, A. E.
Dammann, A.
Henderson, M. A.
Kuehn, I.
Lee, C. H.
Levesy, B.
Martin, A.
Patel, K. M.
Pitcher, C. S.
Tesini, A.
Utin, Y.
Walsh, M. J.
Danani, S.
Pandya, H.
Vasu, P.
Austin, M.
Rowan, W.
Feder, R.
Johnson, D.
Shelukhin, D.
Vershkov, V.
Counsell, G.
Ingesson, Ch.
Arshad, S.
BE Prater, R
TI PROGRESS IN INTERGRATION OF ITER MICROWAVE DIAGNOSTICS
SO ELECTRON CYCLOTRON EMISSION AND ELECTRON CYCLOTRON RESONANCE HEATING
(EC-16)
LA English
DT Proceedings Paper
CT 16th Joint Workshop on Electron Cyclotron Emission and Electron
Cyclotron Resonance Heating (EC-16)
CY APR 12-15, 2010
CL Inst Plasma Phys Chinese Acad Sci, Sanya, PEOPLES R CHINA
HO Inst Plasma Phys Chinese Acad Sci
AB This paper reports on the current status of integration of ITER microwave diagnostics, such as ECE, reflectometry systems and Collective Thomson scattering, and gives an outlook on the upcoming technical and design activity. Some open issues are addressed and discussed.
C1 [Udintsev, V. S.; Vayakis, G.; Cantone, B.; Encheva, A.; Walker, C.; Benchikhoune, M.; Costley, A. E.; Dammann, A.; Henderson, M. A.; Kuehn, I.; Lee, C. H.; Levesy, B.; Martin, A.; Patel, K. M.; Pitcher, C. S.; Tesini, A.; Utin, Y.; Walsh, M. J.] ITER Org, Route Vinon CS 90 046, F-13067 St Paul Les Durance, France.
[Danani, S.; Pandya, H.; Vasu, P.] Inst Plasma Res, Bhat 382428, Gandhinagar, India.
[Austin, M.; Rowan, W.] Univ Texas Austin, Fus Res Ctr, Austin, TX 78712 USA.
[Feder, R.; Johnson, D.] Princeton Univ, PPPL, Princeton, NJ 08544 USA.
[Shelukhin, D.; Vershkov, V.] RRC Kurchatov Inst, Moscow, Russia.
[Counsell, G.; Ingesson, Ch.; Arshad, S.] Fus Energy, Barcelona 08019, Spain.
RP Udintsev, VS (reprint author), ITER Org, Route Vinon CS 90 046, F-13067 St Paul Les Durance, France.
NR 2
TC 0
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U1 0
U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4340-26-7
PY 2011
BP 196
EP 201
PG 6
WC Physics, Fluids & Plasmas
SC Physics
GA BH0BM
UT WOS:000394555300026
ER
PT B
AU Liu, Y
Li, EZ
Ling, BL
Ti, A
Han, X
Taylor, G
AF Liu Yong
Li Erzhong
Ling Bili
Ti Ang
Han Xiang
Taylor, Gary
BE Prater, R
TI Recent progress of the 20-channel grating polychromator on EAST
SO ELECTRON CYCLOTRON EMISSION AND ELECTRON CYCLOTRON RESONANCE HEATING
(EC-16)
LA English
DT Proceedings Paper
CT 16th Joint Workshop on Electron Cyclotron Emission and Electron
Cyclotron Resonance Heating (EC-16)
CY APR 12-15, 2010
CL Inst Plasma Phys Chinese Acad Sci, Sanya, PEOPLES R CHINA
HO Inst Plasma Phys Chinese Acad Sci
ID ELECTRON-CYCLOTRON EMISSION; ALCATOR-C TOKAMAK; RADIOMETER; PLASMA
AB A 20-channel grating polychromator transferred from PPPL, has been re-built for electron cyclotron emission measurements on EAST. This instrument measures the second harmonic electron cyclotron emission from plasma with frequency range from 90 GHz to 250 GHz, which corresponds to a central magnetic field (R-0=1.7 m) of 2-3.5 T. The radial resolution is around 2.5 cm. New pre-amplifiers are made and tested, based on the electronics of GPC-II on TFTR. These amplifiers have a gain of around 520, with a 400 kHz 3 dB roll off frequency.
C1 [Liu Yong; Li Erzhong; Ling Bili; Ti Ang; Han Xiang] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China.
[Taylor, Gary] Princeton Univ, Plasma Phys Lab, Princeton, NJ 08543 USA.
RP Liu, Y (reprint author), Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China.
NR 13
TC 0
Z9 0
U1 0
U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4340-26-7
PY 2011
BP 234
EP 239
PG 6
WC Physics, Fluids & Plasmas
SC Physics
GA BH0BM
UT WOS:000394555300032
ER
PT B
AU Urban, J
Preinhaelter, J
Decker, J
Peysson, Y
Taylor, G
Vahala, L
Vahala, G
AF Urban, J.
Preinhaelter, J.
Decker, J.
Peysson, Y.
Taylor, G.
Vahala, L.
Vahala, G.
BE Prater, R
TI PROSPECTS FOR EBW HEATING AND CURRENT DRIVE ON SPHERICAL TORI
SO ELECTRON CYCLOTRON EMISSION AND ELECTRON CYCLOTRON RESONANCE HEATING
(EC-16)
LA English
DT Proceedings Paper
CT 16th Joint Workshop on Electron Cyclotron Emission and Electron
Cyclotron Resonance Heating (EC-16)
CY APR 12-15, 2010
CL Inst Plasma Phys Chinese Acad Sci, Sanya, PEOPLES R CHINA
HO Inst Plasma Phys Chinese Acad Sci
DE Tokamak; Spherical torus; Current drive; Heating; EBW
AB The electrostatic electron Bernstein wave (EBW) can provide localised on-and off-axis heating and current drive in typically overdense (high-beta) spherical tori (ST) where the usual electromagnetic EC modes are cut-off. Hence, the EBW is a candidate for plasma control and stabilisation in such devices. We present here a modelling of EBW heating and current drive in realistic ST conditions, particularly in typical NSTX equilibria and in model equilibria for NHTX [1] and MAST Upgrade [2,3]. The EBW injection parameters are varied in order to find optimized scenarios and possible ways to control the deposition location and the driven current. It is shown that EBWs can be deposited and efficiently drive current at any radial location.
C1 [Urban, J.; Preinhaelter, J.] Inst Plasma Phys AS CR, EURATOM IPP CR Ass, Prague, Czech Republic.
[Decker, J.; Peysson, Y.] EURATOM CEA, Cadarache, France.
[Taylor, G.] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
[Vahala, L.] Old Dominion Univ, Norfolk, VA 23529 USA.
[Vahala, G.] Coll William & Mary, Williamsburg, VA 23185 USA.
RP Urban, J (reprint author), Inst Plasma Phys AS CR, EURATOM IPP CR Ass, Prague, Czech Republic.
EM urban@ipp.cas.cz
FU EFDA; EURATOM; GACR [202/08/0419]; AS CR [AV0Z20430508]; MSMT [7G09042];
U.S. DoE
FX The work was partly supported by EFDA, EURATOM, GACR #202/08/0419, AS CR
#AV0Z20430508, MSMT #7G09042, and U.S. DoE.
NR 7
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U1 0
U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4340-26-7
PY 2011
BP 257
EP 262
PG 6
WC Physics, Fluids & Plasmas
SC Physics
GA BH0BM
UT WOS:000394555300035
ER
PT B
AU Henderson, MA
Becket, B
Cox, D
Darbos, C
Gandini, F
Gassman, T
Jean, O
Nazare, C
Omori, T
Purohit, D
Tanga, A
Udintsev, VS
Albajar, F
Bonicelli, T
Heidinger, R
Saibene, G
Alberti, S
Bertizzolo, R
Chavan, R
Collazos, A
Goodman, TP
Hogge, JP
Landis, JD
Paganakis, I
Porte, L
Sanchez, F
Sauter, O
Tran, MQ
Zucca, C
Baruah, U
Kushwah, M
Singh, NP
Rao, SL
Bigelow, T
Caughman, J
Rasmussen, D
Bruschi, A
Cirant, S
Farina, D
Moro, A
Platania, P
Ramponi, G
Sozzi, C
Debaar, M
Ronden, D
Denisov, G
Kajiwara, K
Kasugai, A
Kobayashi, N
Oda, Y
Sakamoto, K
Takahashi, K
Kasparek, W
Kumric, H
Plaum, B
Aiello, G
Gantenbein, G
Illy, S
Jin, J
Kern, S
Meier, A
Pioscyzk, B
Rzesnicki, T
Scherer, T
Schreck, S
Serikov, A
Spaeh, P
Strauss, D
Thumm, M
Vaccaro, A
Poli, E
Zohm, H
Shapiro, M
Temkin, R
AF Henderson, M. A.
Becket, B.
Cox, D.
Darbos, C.
Gandini, F.
Gassman, T.
Jean, O.
Nazare, C.
Omori, T.
Purohit, D.
Tanga, A.
Udintsev, V. S.
Albajar, F.
Bonicelli, T.
Heidinger, R.
Saibene, G.
Alberti, S.
Bertizzolo, R.
Chavan, R.
Collazos, A.
Goodman, T. P.
Hogge, J. P.
Landis, J. D.
Paganakis, I.
Porte, L.
Sanchez, F.
Sauter, O.
Tran, M. Q.
Zucca, C.
Baruah, U.
Kushwah, M.
Singh, N. P.
Rao, S. L.
Bigelow, T.
Caughman, J.
Rasmussen, D.
Bruschi, A.
Cirant, S.
Farina, D.
Moro, A.
Platania, P.
Ramponi, G.
Sozzi, C.
Debaar, M.
Ronden, D.
Denisov, G.
Kajiwara, K.
Kasugai, A.
Kobayashi, N.
Oda, Y.
Sakamoto, K.
Takahashi, K.
Kasparek, W.
Kumric, H.
Plaum, B.
Aiello, G.
Gantenbein, G.
Illy, S.
Jin, J.
Kern, S.
Meier, A.
Pioscyzk, B.
Rzesnicki, T.
Scherer, T.
Schreck, S.
Serikov, A.
Spaeh, P.
Strauss, D.
Thumm, M.
Vaccaro, A.
Poli, E.
Zohm, H.
Shapiro, M.
Temkin, R.
BE Prater, R
TI THE ITER EC H&CD SYSTEM
SO ELECTRON CYCLOTRON EMISSION AND ELECTRON CYCLOTRON RESONANCE HEATING
(EC-16)
LA English
DT Proceedings Paper
CT 16th Joint Workshop on Electron Cyclotron Emission and Electron
Cyclotron Resonance Heating (EC-16)
CY APR 12-15, 2010
CL Inst Plasma Phys Chinese Acad Sci, Sanya, PEOPLES R CHINA
HO Inst Plasma Phys Chinese Acad Sci
ID GYROTRON
AB A 24MW CW Electron Cyclotron Heating and Current Drive (EC H&CD) system operating at 170GHz is to be installed for the ITER tokamak. The EC system will represent a large step forward in the use of microwave systems for plasma heating for fusion applications; present day systems are operating in relatively short pulses (<= 10s) and installed power levels of <= 4.5MW. The magnitude of the ITER system necessitates a worldwide collaboration. This is also reflected in the EC system that is comprised of the power supplies, sources, transmission line and launchers. A partnership between Europe, India, Japan, Russia, United States and the ITER organization is formed to collaborate on design and R&D activities leading to the procurement, installation, commissioning and operation of this system.
C1 [Henderson, M. A.; Becket, B.; Cox, D.; Darbos, C.; Gandini, F.; Gassman, T.; Jean, O.; Nazare, C.; Omori, T.; Purohit, D.; Tanga, A.; Udintsev, V. S.] ITER Org, F-13067 St Paul Les Durance, France.
[Albajar, F.; Bonicelli, T.; Heidinger, R.; Saibene, G.] F4E, E-08019 Barcelona, Spain.
[Alberti, S.; Bertizzolo, R.; Chavan, R.; Collazos, A.; Goodman, T. P.; Hogge, J. P.; Landis, J. D.; Paganakis, I.; Porte, L.; Sanchez, F.; Sauter, O.; Tran, M. Q.; Zucca, C.] EPFL Ecublens, CRPP, Assoc EURATOM Confederat Suisse, CH-1015 Lausanne, Switzerland.
[Baruah, U.; Kushwah, M.; Singh, N. P.; Rao, S. L.] Inst Plasma Res, Bhat 382428, Gandhinagar, India.
[Bigelow, T.; Caughman, J.; Rasmussen, D.] ORNL, USIPO, Oak Ridge, TN 37831 USA.
[Bruschi, A.; Cirant, S.; Farina, D.; Moro, A.; Platania, P.; Ramponi, G.; Sozzi, C.] Assoc EURATOM ENEA CNR, Ist Fis Plasma, Milan, Italy.
[Debaar, M.; Ronden, D.] EURATOM, NL-3430 BE Nieuwegein, Netherlands.
[Denisov, G.] Inst Appl Phys, Nizhnii Novgorod 603950, Russia.
[Kajiwara, K.; Kasugai, A.; Kobayashi, N.; Oda, Y.; Sakamoto, K.; Takahashi, K.] JAEA, Naka, Ibaraki 3110193, Japan.
[Kasparek, W.; Kumric, H.; Plaum, B.] Univ Stuttgart, IPP, D-70569 Stuttgart, Germany.
[Aiello, G.; Gantenbein, G.; Illy, S.; Jin, J.; Kern, S.; Meier, A.; Pioscyzk, B.; Rzesnicki, T.; Scherer, T.; Schreck, S.; Serikov, A.; Spaeh, P.; Strauss, D.; Thumm, M.; Vaccaro, A.] KIT, Assoc EURATOM KIT, D-76131 Karlsruhe, Germany.
[Poli, E.; Zohm, H.] Assoc EURATOM IPP, IPP Garching, D-85748 Garching, Germany.
[Shapiro, M.; Temkin, R.] MIT, Plasma Sci & Fus Ctr, Cambridge, MA 02139 USA.
RP Henderson, MA (reprint author), ITER Org, F-13067 St Paul Les Durance, France.
NR 14
TC 0
Z9 0
U1 0
U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4340-26-7
PY 2011
BP 353
EP 363
PG 11
WC Physics, Fluids & Plasmas
SC Physics
GA BH0BM
UT WOS:000394555300048
ER
PT B
AU Gandini, F
Becket, B
Darbos, C
Gassman, T
Henderson, M
Jean, O
Nazare, C
Omori, T
Purohit, D
Albajar, F
Bonicelli, T
Saibene, G
Bigelow, T
Caughman, J
Rasmussen, D
Denisov, G
Kajiwara, K
Kobayashi, N
Oda, Y
Sakamoto, K
Takahashi, K
Rao, SL
Ronden, D
Shapiro, M
Temkin, R
AF Gandini, F.
Becket, B.
Darbos, C.
Gassman, T.
Henderson, M.
Jean, O.
Nazare, C.
Omori, T.
Purohit, D.
Albajar, F.
Bonicelli, T.
Saibene, G.
Bigelow, T.
Caughman, J.
Rasmussen, D.
Denisov, G.
Kajiwara, K.
Kobayashi, N.
Oda, Y.
Sakamoto, K.
Takahashi, K.
Rao, S. L.
Ronden, D.
Shapiro, M.
Temkin, R.
BE Prater, R
TI AN OVERVIEW OF THE ITER EC TRANSMISSION LINE
SO ELECTRON CYCLOTRON EMISSION AND ELECTRON CYCLOTRON RESONANCE HEATING
(EC-16)
LA English
DT Proceedings Paper
CT 16th Joint Workshop on Electron Cyclotron Emission and Electron
Cyclotron Resonance Heating (EC-16)
CY APR 12-15, 2010
CL Inst Plasma Phys Chinese Acad Sci, Sanya, PEOPLES R CHINA
HO Inst Plasma Phys Chinese Acad Sci
AB The ITER ECH&CD system will have an installed power of 24 MW at 170 GHz delivered to the launchers at the plasma side through a transmission line sub-system constituted by evacuated HE11 waveguides, DC breaks, power monitors, mitre bends, polarizers, switches, loads and pumping sections. Each line will be typically about 160 m in length and will connect the RF power sources alternatively to the equatorial launcher or to one of the upper launchers in order to accomplish the various physics requirements: heating, current drive and instability control. Two different source configurations are at the moment under study, pending the fmal decision about the European 2 MW coaxial gyrotron development. Each configuration will imply a dedicated transmission line layout. An overview of the actual design is presented and the technical requirements are discussed.
C1 [Gandini, F.; Becket, B.; Darbos, C.; Gassman, T.; Henderson, M.; Jean, O.; Nazare, C.; Omori, T.; Purohit, D.] ITER Org, F-13067 St Paul Les Durance, France.
[Albajar, F.; Bonicelli, T.; Saibene, G.] Fus Energy, E-08019 Barcelona, Spain.
[Bigelow, T.; Caughman, J.; Rasmussen, D.] ORNL, US ITER Project Off, Oak Ridge, TN 37831 USA.
[Denisov, G.] Inst Appl Phys, Nizhnii Novgorod 603950, Russia.
[Kajiwara, K.; Kobayashi, N.; Oda, Y.; Sakamoto, K.; Takahashi, K.] Japan Atom Energy Agcy, Naka, Ibaraki 3110193, Japan.
[Rao, S. L.] Inst Plasma Res, Bhat 382428, Gandhinagar, India.
[Ronden, D.] EURATOM, NL-3430 BE Nieuwegein, Netherlands.
[Shapiro, M.; Temkin, R.] MIT, Plasma Sci & Fus Ctr, Cambridge, MA 02139 USA.
RP Gandini, F (reprint author), ITER Org, F-13067 St Paul Les Durance, France.
NR 2
TC 0
Z9 0
U1 0
U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4340-26-7
PY 2011
BP 364
EP 369
PG 6
WC Physics, Fluids & Plasmas
SC Physics
GA BH0BM
UT WOS:000394555300049
ER
PT J
AU Serquis, A
Pasquini, G
Civale, L
AF Serquis, Adriana
Pasquini, Gabriela
Civale, Leonardo
BE Marulanda, JM
TI Carbon Nanotubes Addition Effects on MgB2 Superconducting Properties
SO ELECTRONIC PROPERTIES OF CARBON NANOTUBES
LA English
DT Article; Book Chapter
ID CRITICAL-CURRENT DENSITY; HIGH-TEMPERATURE SUPERCONDUCTORS; FLUX-PINNING
PROPERTIES; DOPED MGB2; MAGNESIUM DIBORIDE; SUBSTITUTED MGB2; TUBE MGB2;
WIRES; TAPES; POWDER
C1 [Serquis, Adriana] Consejo Nacl Invest Cient & Tecn, Ctr Atom Bariloche CNEA, Inst Balseiro UNCuyo, Buenos Aires, DF, Argentina.
[Pasquini, Gabriela] Univ Buenos Aires, IFIBA CONICET, Dept Fis FCEyN, RA-1053 Buenos Aires, DF, Argentina.
[Civale, Leonardo] Los Alamos Natl Lab, MPA STC, Los Alamos, NM 87545 USA.
RP Serquis, A (reprint author), Consejo Nacl Invest Cient & Tecn, Ctr Atom Bariloche CNEA, Inst Balseiro UNCuyo, Buenos Aires, DF, Argentina.
NR 52
TC 0
Z9 0
U1 0
U2 0
PU INTECH EUROPE
PI RIJEKA
PA JANEZA TRDINE9, RIJEKA, 51000, CROATIA
BN 978-953-307-499-3
PY 2011
BP 447
EP 472
PG 26
WC Chemistry, Physical; Nanoscience & Nanotechnology; Physics, Condensed
Matter
SC Chemistry; Science & Technology - Other Topics; Physics
GA BE4WS
UT WOS:000372180400022
ER
PT J
AU Deng, ZQ
Carlson, TJ
Dauble, DD
Ploskey, GR
AF Deng, Zhiqun
Carlson, Thomas J.
Dauble, Dennis D.
Ploskey, Gene R.
TI Fish Passage Assessment of an Advanced Hydropower Turbine and
Conventional Turbine Using Blade-Strike Modeling
SO ENERGIES
LA English
DT Article
DE advanced hydropower turbine; blade-strike modeling; fish-friendly
turbine; dams
ID MORTALITY; SURVIVAL; INJURY
AB Hydropower is the largest renewable energy source in the world. However, in the Columbia and Snake River basins, several species of Pacific salmon and steelhead have been listed for protection under the Endangered Species Act due to significant declines of fish population. Dam operators and design engineers are thus faced with the task of making hydroelectric facilities more fish friendly through changes in hydro-turbine design and operation. Public Utility District No. 2 of Grant County, Washington, applied for relicensing from the U. S. Federal Energy Regulatory Commission to replace the 10 turbines at Wanapum Dam with advanced hydropower turbines that were designed to increase power generation and improve fish passage conditions. We applied both deterministic and stochastic blade-strike models to compare fish passage performance of the newly installed advanced turbine to an existing turbine. Modeled probabilities were compared to the results of a large-scale live-fish survival study and a Sensor Fish study under the same operational parameters. Overall, injury rates predicted by the deterministic model were higher than experimental rates of injury, while those predicted by the stochastic model were in close agreement with experimental results. Fish orientation at the time of entry into the plane of the leading edges of the turbine runner blades was an important factor contributing to uncertainty in modeled results. The advanced design turbine had slightly higher modeled injury rates than the existing turbine design; however, no statistical evidence suggested significant differences in blade-strike injuries between the two turbines, thus the hypothesis that direct fish survival rate through the advanced hydropower turbine is equal to or higher than that for fish passing through the conventional turbine could not be rejected.
C1 [Deng, Zhiqun; Carlson, Thomas J.; Dauble, Dennis D.; Ploskey, Gene R.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Deng, ZQ (reprint author), Pacific NW Natl Lab, POB 999, Richland, WA 99352 USA.
EM zhiqun.deng@pnl.gov; thomas.carlson@pnl.gov; dennisdauble@charter.net;
Gene.Ploskey@pnl.gov
RI Deng, Daniel/A-9536-2011
OI Deng, Daniel/0000-0002-8300-8766
FU U.S. Department of Energy (DOE) Office of Energy Efficiency and
Renewable Energy Wind and Hydropower Technologies Program; DOE
[DE-AC05-76RL01830]
FX This study was funded by the U.S. Department of Energy (DOE) Office of
Energy Efficiency and Renewable Energy Wind and Hydropower Technologies
Program. Jim Ahlgrimm was the contracting officer for DOE, and Curt
Dotson was the technical point of contact for Grant PUD. We also wish to
thank Grant PUD and Normandeau Associates, Inc. for their help with this
study. Andrea Currie and Tao Fu of PNNL provided comments and technical
help preparing the manuscript. PNNL is owned by DOE and operated by
Battelle Memorial Institute under Contract DE-AC05-76RL01830.
NR 19
TC 10
Z9 12
U1 5
U2 45
PU MDPI AG
PI BASEL
PA KANDERERSTRASSE 25, CH-4057 BASEL, SWITZERLAND
SN 1996-1073
J9 ENERGIES
JI Energies
PD JAN
PY 2011
VL 4
IS 1
BP 57
EP 67
DI 10.3390/en4010057
PG 11
WC Energy & Fuels
SC Energy & Fuels
GA 711KS
UT WOS:000286590900004
ER
PT B
AU Zayas, J
AF Zayas, Jose
BE Rao, KR
TI SCOPE OF WIND ENERGY GENERATION TECHNOLOGIES
SO ENERGY AND POWER GENERATION HANDBOOK: ESTABLISHED AND EMERGING
TECHNOLOGIES
LA English
DT Article; Book Chapter
C1 Sandia Natl Labs, Renewable Energy Technol Grp, Livermore, CA 94550 USA.
RP Zayas, J (reprint author), Sandia Natl Labs, Renewable Energy Technol Grp, Livermore, CA 94550 USA.
NR 9
TC 0
Z9 0
U1 0
U2 0
PU AMER SOC MECHANICAL ENGINEERS
PI NEW YORK
PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA
BN 978-0-7918-5955-1
PY 2011
BP G1
EP G20
D2 10.1115/1.859551
PG 20
WC Energy & Fuels
SC Energy & Fuels
GA BGT43
UT WOS:000324079200009
ER
PT B
AU Baldwin, T
Seifert, G
AF Baldwin, Thomas
Seifert, Gary
BE Rao, KR
TI WIND ENERGY IN THE US
SO ENERGY AND POWER GENERATION HANDBOOK: ESTABLISHED AND EMERGING
TECHNOLOGIES
LA English
DT Article; Book Chapter
ID PUBLIC-ATTITUDES; POWER
C1 [Baldwin, Thomas; Seifert, Gary] Idaho Natl Lab, Idaho Falls, ID USA.
[Baldwin, Thomas] Florida State Univ, FAMU FSU Coll Engn, Tallahassee, FL 32306 USA.
[Seifert, Gary] Univ Wisconsin, Dept Engn Profess Dev, Madison, WI 53706 USA.
RP Baldwin, T (reprint author), Idaho Natl Lab, Idaho Falls, ID USA.
NR 15
TC 0
Z9 0
U1 0
U2 0
PU AMER SOC MECHANICAL ENGINEERS
PI NEW YORK
PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA
BN 978-0-7918-5955-1
PY 2011
BP H1
EP H23
D2 10.1115/1.859551
PG 23
WC Energy & Fuels
SC Energy & Fuels
GA BGT43
UT WOS:000324079200010
ER
PT B
AU Shevenell, L
Robinson, C
AF Shevenell, Lisa
Robinson, Curt
BE Rao, KR
TI GEOTHERMAL ENERGY AND POWER DEVELOPMENT
SO ENERGY AND POWER GENERATION HANDBOOK: ESTABLISHED AND EMERGING
TECHNOLOGIES
LA English
DT Article; Book Chapter
AB Geothermal energy constitutes an indigenous, sustainable, continuous, base load renewable resource available to power developers on most continents. This chapter discusses geothermal energy basics, resource exploration, and types of resources along with their utilization, sustainability, benefits, and the potential environmental consequences of resource development. The current state of knowledge and possible expansion of the resource base via Enhanced Geothermal Systems technologies are also discussed.
C1 [Shevenell, Lisa] Oak Ridge Natl Lab, Oak Ridge, TN USA.
NR 61
TC 0
Z9 0
U1 0
U2 0
PU AMER SOC MECHANICAL ENGINEERS
PI NEW YORK
PA THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA
BN 978-0-7918-5955-1
PY 2011
BP P1
EP P26
D2 10.1115/1.859551
PG 26
WC Energy & Fuels
SC Energy & Fuels
GA BGT43
UT WOS:000324079200018
ER
PT J
AU Jaouen, F
Proietti, E
Lefevre, M
Chenitz, R
Dodelet, JP
Wu, G
Chung, HT
Johnston, CM
Zelenay, P
AF Jaouen, Frederic
Proietti, Eric
Lefevre, Michel
Chenitz, Regis
Dodelet, Jean-Pol
Wu, Gang
Chung, Hoon Taek
Johnston, Christina Marie
Zelenay, Piotr
TI Recent advances in non-precious metal catalysis for oxygen-reduction
reaction in polymer electrolyte fuel cells
SO ENERGY & ENVIRONMENTAL SCIENCE
LA English
DT Article
ID FE-BASED CATALYSTS; CARBON-BLACK SUPPORTS; HEAT-TREATMENT AFFECT; O-2
REDUCTION; NONNOBLE ELECTROCATALYSTS; ACTIVE-SITES;
3,4,9,10-PERYLENETETRACARBOXYLIC DIANHYDRIDE; NONPLATINUM CATALYSTS;
PYROLYZED PORPHYRINS; COMPOSITE CATALYSTS
AB Hydrogen produced from water and renewable energy could fuel a large fleet of proton-exchange-fuel-cell vehicles in the future. However, the dependence on expensive Pt-based electrocatalysts in such fuel cells remains a major obstacle for a widespread deployment of this technology. One solution to overcome this predicament is to reduce the Pt content by a factor of ten by replacing the Pt-based catalysts with non-precious metal catalysts at the oxygen-reducing cathode. Fe-and Co-based electrocatalysts for this reaction have been studied for over 50 years, but they were insufficiently active for the high efficiency and power density needed for transportation fuel cells. Recently, several breakthroughs occurred that have increased the activity and durability of non-precious metal catalysts (NPMCs), which can now be regarded as potential competitors to Pt-based catalysts. This review focuses on the new synthesis methods that have led to these breakthroughs. A modeling analysis is also conducted to analyze the improvements required from NPMC-based cathodes to match the performance of Pt-based cathodes, even at high current density. While no further breakthrough in volume-specific activity of NPMCs is required, incremental improvements of the volume-specific activity and effective protonic conductivity within the fuel-cell cathode are necessary. Regarding durability, NPMCs with the best combination of durability and activity result in ca. 3 times lower fuel cell performance than the most active NPMCs at 0.80 V. Thus, major tasks will be to combine durability with higher activity, and also improve durability at cell voltages greater than 0.60 V.
C1 [Jaouen, Frederic; Proietti, Eric; Lefevre, Michel; Chenitz, Regis; Dodelet, Jean-Pol] Inst Natl Rech Sci Energie Mat & Telecommun, Varennes, PQ J3X 1S2, Canada.
[Wu, Gang; Chung, Hoon Taek; Johnston, Christina Marie; Zelenay, Piotr] Los Alamos Natl Lab, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA.
RP Jaouen, F (reprint author), Inst Natl Rech Sci Energie Mat & Telecommun, 1650 Bd Lionel Boulet, Varennes, PQ J3X 1S2, Canada.
EM jaouen@emt.inrs.ca; dodelet@emt.inrs.ca; zelenay@lanl.gov
RI lefevre, michel/B-5729-2009; Wu, Gang/E-8536-2010; Chung,
Hoon/A-7916-2012; Johnston, Christina/A-7344-2011;
OI lefevre, michel/0000-0003-3042-6128; Wu, Gang/0000-0003-4956-5208;
Chung, Hoon/0000-0002-5367-9294; jaouen, frederic/0000-0001-9836-3261
FU NSERC; General Motors of Canada; DOE-EERE Fuel Cell Technologies, Los
Alamos National Laboratory
FX Financial support of NSERC and General Motors of Canada for an
industrial chair in electrocatalysts for PEFCs at INRS and financial
support of the DOE-EERE Fuel Cell Technologies Program for non-precious
metal catalysis research at Los Alamos National Laboratory are
gratefully acknowledged.
NR 99
TC 625
Z9 635
U1 54
U2 461
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1754-5692
EI 1754-5706
J9 ENERG ENVIRON SCI
JI Energy Environ. Sci.
PD JAN
PY 2011
VL 4
IS 1
BP 114
EP 130
DI 10.1039/c0ee00011f
PG 17
WC Chemistry, Multidisciplinary; Energy & Fuels; Engineering, Chemical;
Environmental Sciences
SC Chemistry; Energy & Fuels; Engineering; Environmental Sciences & Ecology
GA 700MV
UT WOS:000285748400009
ER
PT J
AU Zhi, MJ
Zhou, GW
Hong, ZL
Wang, J
Gemmen, R
Gerdes, K
Manivannan, A
Ma, DL
Wu, NQ
AF Zhi, Mingjia
Zhou, Guangwen
Hong, Zhanglian
Wang, Jin
Gemmen, Randall
Gerdes, Kirk
Manivannan, Ayyakkannu
Ma, Dongling
Wu, Nianqiang
TI Single crystalline La0.5Sr0.5MnO3 microcubes as cathode of solid oxide
fuel cell
SO ENERGY & ENVIRONMENTAL SCIENCE
LA English
DT Article
ID OXYGEN REDUCTION; IMPEDANCE SPECTROSCOPY; STABILIZED ZIRCONIA;
ELECTRODE; SURFACE; OXIDATION; KINETICS; SYNGAS
AB The efficiency of solid oxide fuel cells (SOFCs) is heavily dependent on the electrocatalytic activity of the cathode toward the oxygen reduction reaction (ORR). In order to achieve better cathode performance, single crystalline La0.5Sr0.5MnO3 (LSM) microcubes with the {200} facets have been synthesized by the hydrothermal method. It is found that the LSM microcubes exhibit lower polarization resistance than the conventional polycrystalline La0.8Sr0.2MnO3 powder in air from 700 degrees C to 900 degrees C. The ORR activation energy of the LSM microcubes is lower than that of the conventional powder. The ORR kinetics for the microcubes is limited by the charge transfer step while that for the conventional powder is dominated by the oxygen adsorption and dissociation on the cathode surface.
C1 [Zhi, Mingjia; Wang, Jin; Gemmen, Randall; Gerdes, Kirk; Manivannan, Ayyakkannu; Wu, Nianqiang] Natl Energy Technol Lab, Dept Energy, Morgantown, WV 26507 USA.
[Zhi, Mingjia; Wang, Jin; Manivannan, Ayyakkannu; Wu, Nianqiang] W Virginia Univ, Dept Mech & Aerosp Engn, Morgantown, WV 26506 USA.
[Zhou, Guangwen] SUNY Binghamton, Dept Mech Engn, Binghamton, NY 13902 USA.
[Hong, Zhanglian] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China.
[Hong, Zhanglian] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R China.
[Ma, Dongling] Inst Natl Rech Sci, INRS Energie Mat & Telecommun, Varennes, PQ J3X 1S2, Canada.
RP Zhi, MJ (reprint author), Natl Energy Technol Lab, Dept Energy, 3610 Collins Ferry Rd, Morgantown, WV 26507 USA.
EM nick.wu@mail.wvu.edu
RI Manivannan, Ayyakkannu/A-2227-2012; Wu, Nianqiang/B-9798-2015; Zhi,
Mingjia/A-6866-2010
OI Manivannan, Ayyakkannu/0000-0003-0676-7918; Wu,
Nianqiang/0000-0002-8888-2444; Ma, Dongling/0000-0001-8558-3150; Zhi,
Mingjia/0000-0002-4291-0809
FU National Energy Technology Laboratory under the Research and Development
Solutions [41817M2187/41817M2100]; West Virginia State Research
Challenge [EPS08-01]; NSF [EPS 0554328]; West Virginia University
Research Corporation; West Virginia EPSCoR Office; LLC (RDS)
[DE-AC26-04NT41817]
FX This work was performed in support of the National Energy Technology
Laboratory's research in fuel cells project (41817M2187/41817M2100)
under the Research and Development Solutions, LLC (RDS) contract
DE-AC26-04NT41817 and West Virginia State Research Challenge
Grant-Energy Materials Program (EPS08-01). The facilities and resources
used in this work were partially supported by the NSF grant (EPS
0554328) with the matching funds from the West Virginia University
Research Corporation and the West Virginia EPSCoR Office.
NR 35
TC 29
Z9 29
U1 1
U2 41
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1754-5692
J9 ENERG ENVIRON SCI
JI Energy Environ. Sci.
PD JAN
PY 2011
VL 4
IS 1
BP 139
EP 144
DI 10.1039/c0ee00300j
PG 6
WC Chemistry, Multidisciplinary; Energy & Fuels; Engineering, Chemical;
Environmental Sciences
SC Chemistry; Energy & Fuels; Engineering; Environmental Sciences & Ecology
GA 700MV
UT WOS:000285748400012
ER
PT J
AU Chupka, GM
Yanowitz, J
Chiu, G
Alleman, TL
McCormick, RL
AF Chupka, G. M.
Yanowitz, J.
Chiu, G.
Alleman, T. L.
McCormick, R. L.
TI Effect of Saturated Monoglyceride Polymorphism on Low-Temperature
Performance of Biodiesel
SO ENERGY & FUELS
LA English
DT Article
ID HYDROPHOBIC SOLUTIONS; PALM OIL; BEHAVIOR; BLENDS
AB To investigate precipitates above the cloud point (CP) in biodiesel, three saturated monoglycerides (SMGs), monomyristin, monopalmitin, and monostearin, were spiked into distilled soy and animal fat-derived B100. It was shown that above a threshold or eutectic concentration the SMGs significantly raise the CP of B100. A comparison to published data suggests that commercial B100 has SMG content in the same range as the eutectic point. SMGs have an even greater impact on the final melting temperature (FMT, as measured when the sample is heated) at concentrations above the eutectic point. These results were verified and visualized using a controlled temperature stage microscope. It was shown that the FMT was highly dependent on the rate of heating. It is hypothesized that a lower melting point crystalline form of the SMG forms upon rapid cooling and then transforms into a more stable, higher melting point crystalline form when slowly heated or held at constant temperature. The CP and FMT results of this study were compared to an ideal solution thermodynamic model. The model was able to provide reasonable prediction of the eutectic point but was less successful at predicting CP and FMT above the eutectic.
C1 [Chupka, G. M.; Alleman, T. L.; McCormick, R. L.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Yanowitz, J.] Ecoengineering, Boulder, CO 80304 USA.
[Chiu, G.] Phase Technol, Richmond, BC V7A 5H8, Canada.
RP McCormick, RL (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
EM robert.mccormick@nrel.gov
RI Alleman, Teresa/F-6281-2011; McCormick, Robert/B-7928-2011
FU U.S. Department of Energy, Office of Vehicle Technologies, Fuels and
Lubricants Technologies [DE-AC36-99GO10337]; National Renewable Energy
Laboratory
FX This work was supported by the U.S. Department of Energy, Office of
Vehicle Technologies, Fuels and Lubricants Technologies Program under
Contract No. DE-AC36-99GO10337 with the National Renewable Energy
Laboratory. The assistance of Philip Parilla in obtaining the X-ray
diffraction data is gratefully acknowledged.
NR 24
TC 20
Z9 20
U1 1
U2 16
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 JAN
PY 2011
VL 25
BP 398
EP 405
DI 10.1021/ef1013743
PG 8
WC Energy & Fuels; Engineering, Chemical
SC Energy & Fuels; Engineering
GA 721ID
UT WOS:000287345900049
ER
PT J
AU Arent, D
Denholm, P
Drury, E
Gelman, R
Hand, M
Kutscher, C
Mann, M
Mehos, M
Wise, A
AF Arent, Douglas
Denholm, Paul
Drury, Easan
Gelman, Rachel
Hand, Maureen
Kutscher, Chuck
Mann, Margaret
Mehos, Mark
Wise, Alison
BE Sioshansi, FP
TI Prospects for Renewable Energy
SO ENERGY, SUSTAINABILITY AND THE ENVIRONMENT: TECHNOLOGY, INCENTIVES,
BEHAVIOR
LA English
DT Article; Book Chapter
C1 [Arent, Douglas] Natl Renewable Energy Lab, Joint Inst Strateg Energy Anal, Golden, CO USA.
[Denholm, Paul] Natl Renewable Energy Lab, Strateg Energy Anal Ctr, Golden, CO USA.
[Drury, Easan; Gelman, Rachel; Hand, Maureen] Natl Renewable Energy Lab, Golden, CO USA.
[Kutscher, Chuck] Natl Renewable Energy Lab, Thermal Syst Grp, Golden, CO USA.
[Mann, Margaret] Natl Renewable Energy Lab, Technol Syst & Sustainabil Anal Grp, Strateg Energy Anal Ctr, Golden, CO USA.
[Mehos, Mark] Natl Renewable Energy Lab, Concentrating Solar Power CSP Program, Golden, CO USA.
RP Arent, D (reprint author), Natl Renewable Energy Lab, Joint Inst Strateg Energy Anal, Golden, CO USA.
NR 57
TC 0
Z9 0
U1 0
U2 0
PU ELSEVIER BUTTERWORTH-HEINEMANN
PI BURLINGTON
PA 30 CORPORATE DRIVE, STE 400, BURLINGTON, MA 01803 USA
BN 978-0-12-385137-6
PY 2011
BP 367
EP 416
PG 50
WC Engineering, Environmental; Engineering, Civil
SC Engineering
GA BFX41
UT WOS:000321765000016
ER
PT J
AU Guillen, D
Klockow, H
Lehar, M
Freund, S
Jackson, J
AF Guillen, Donna
Klockow, Helge
Lehar, Matthew
Freund, Sebastian
Jackson, Jennifer
BE Neelameggham, NR
Belt, CK
Jolly, M
Reddy, RG
Yurko, JA
TI DEVELOPMENT OF A DIRECT EVAPORATOR FOR THE ORGANIC RANKINE CYCLE
SO ENERGY TECHNOLOGY 2011: CARBON DIOXIDE AND OTHER GREENHOUSE GAS
REDUCTION METALLURGY AND WASTE HEAT RECOVERY
LA English
DT Proceedings Paper
CT Symposium on Energy Technology - Carbon Dioxide and Other Greenhouse Gas
Reduction Metallurgy and Waste Heat Recovery Held during the 140th TMS
Annual Meeting and Exhibition
CY FEB 27-MAR 03, 2011
CL San Diego, CA
SP The Minerals, Met & Mat Soc, The Minerals, Met & Mat Soc, Light Met Div, The Minerals, Met & Mat Soc, Extract & Proc Div, Energy Comm
DE Organic Rankine Cycle; direct evaporator; waste heat recovery
ID AUTOIGNITION
AB Research and development is currently underway to design an Organic Rankine Cycle (ORC) system with the evaporator placed directly in the hot exhaust stream produced by a gas turbine (GT). ORCs can be used to generate electricity from heat that would otherwise be wasted, thus producing carbon-free energy. In conventional ORC configurations, an intermediate oil loop is used to separate the hot gas from the flammable working fluid. The goal of this research effort is to improve cycle efficiency and cost by eliminating the pumps, heat exchangers and all other added cost and complexity of the additional heat transfer loop by developing an evaporator that resides in the waste heat stream. Direct evaporation - although simpler and less expensive to implement than indirect evaporation of the working fluid - has historically been avoided due to a number of technical challenges imposed by the limitations of the working fluid. The high temperature of the hot exhaust gas may cause decomposition of the organic working fluid and safety is a major concern due to the high flammability of some of these working fluids. The research team has addressed these challenges and developed a new direct evaporator design that can reduce the ORC system cost by up to 15%, enabling the rapid adoption of ORCs for waste heat recovery. The ORC system is intended to integrate with the GT either as a retrofit or to be marketed as a single package, thus maintaining the manufacturer's warranty.
C1 [Guillen, Donna] Idaho Natl Lab, Idaho Falls, ID 83406 USA.
RP Guillen, D (reprint author), Idaho Natl Lab, Idaho Falls, ID 83406 USA.
RI Guillen, Donna/B-9681-2017
OI Guillen, Donna/0000-0002-7718-4608
NR 7
TC 3
Z9 3
U1 0
U2 0
PU JOHN WILEY & SONS
PI CHICHESTER
PA THE ATRIUM, SOUTHERN GATE, CHICHESTER, W SUSSEX PO 19 8SQ, ENGLAND
BN 978-1-11803-651-8
PY 2011
BP 25
EP 35
PG 11
WC Energy & Fuels; Metallurgy & Metallurgical Engineering
SC Energy & Fuels; Metallurgy & Metallurgical Engineering
GA BHW97
UT WOS:000326887300003
ER
PT J
AU Shirodkar, S
Reed, S
Romine, M
Saffarini, D
AF Shirodkar, Sheetal
Reed, Samantha
Romine, Margie
Saffarini, Daad
TI The octahaem SirA catalyses dissimilatory sulfite reduction in
Shewanella oneidensis MR-1
SO ENVIRONMENTAL MICROBIOLOGY
LA English
DT Article
ID CYTOCHROME-C BIOGENESIS; NITROUS-OXIDE REDUCTASE; ANAEROBIC RESPIRATION;
ELECTRON-TRANSPORT; NITRITE REDUCTASE; ESCHERICHIA-COLI;
HYDROGEN-SULFIDE; SALMONELLA-TYPHIMURIUM; FACULTATIVE ANAEROBE;
ELEMENTAL SULFUR
AB P>Shewanella oneidensis MR-1 is a metal reducer that uses a large number of electron acceptors including thiosulfate, polysulfide and sulfite. The enzyme required for thiosulfate and polysulfide respiration has been recently identified, but the mechanisms of sulfite reduction remained unexplored. Analysis of MR-1 cultures grown anaerobically with sulfite suggested that the dissimilatory sulfite reductase catalyses six-electron reduction of sulfite to sulfide. Reduction of sulfite required menaquinones but was independent of the intermediate electron carrier CymA. Furthermore, the terminal sulfite reductase, SirA, was identified as an octahaem c cytochrome with an atypical haem binding site. The sulfite reductase of S. oneidensis MR-1 does not appear to be a sirohaem enzyme, but represents a new class of sulfite reductases. The gene that encodes SirA is located within a 10-gene locus that is predicted to encode a component of a specialized haem lyase, a menaquinone oxidase and copper transport proteins. This locus was identified in the genomes of several Shewanella species and appears to be linked to the ability of these organisms to reduce sulfite under anaerobic conditions.
C1 [Shirodkar, Sheetal; Saffarini, Daad] Univ Wisconsin, Dept Biol Sci, Milwaukee, WI 53211 USA.
[Reed, Samantha; Romine, Margie] Pacific NW Natl Lab, Richland, WA 99354 USA.
RP Saffarini, D (reprint author), Univ Wisconsin, Dept Biol Sci, Milwaukee, WI 53211 USA.
EM daads@uwm.edu
OI Romine, Margaret/0000-0002-0968-7641
FU US Department of Energy (DOE) [DE-FG02-07ER64382]; DOE Genomics; DOE by
Battelle Memorial Institute [DE-AC05-76RLO 1830]
FX This work was supported by US Department of Energy (DOE) Grant No.
DE-FG02-07ER64382, and the DOE Genomics: GTL Program via the Shewanella
Federation consortium. Pacific Northwest National Laboratory is operated
for the DOE by Battelle Memorial Institute under Contract DE-AC05-76RLO
1830. We thank M. McBride and P. Trewitt for helpful discussion and
critical reading of the manuscript.
NR 49
TC 34
Z9 40
U1 4
U2 23
PU WILEY-BLACKWELL PUBLISHING, INC
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1462-2912
J9 ENVIRON MICROBIOL
JI Environ. Microbiol.
PD JAN
PY 2011
VL 13
IS 1
BP 108
EP 115
DI 10.1111/j.1462-2920.2010.02313.x
PG 8
WC Microbiology
SC Microbiology
GA 702EE
UT WOS:000285876600010
PM 21199252
ER
PT J
AU Whicker, JJ
Dewart, JM
Allen, SP
Eisele, WF
McNaughton, MW
Green, AA
AF Whicker, Jeffrey J.
Dewart, Jean M.
Allen, Shannon P.
Eisele, William F.
McNaughton, Michael W.
Green, Andrew A.
TI Corrections for measurements of tritium in subterranean vapor using
silica gel
SO ENVIRONMENTAL MONITORING AND ASSESSMENT
LA English
DT Article
DE Tritium; Soil gas monitoring; Risk assessment; Groundwater
ID TRITIATED-WATER; ADSORPTION; PRESSURE
AB Hazardous contaminants buried within vadose zones can accumulate in soil gas. The concentrations and spatial extent of these contaminants are measured to evaluate potential transport to groundwater for public risk evaluation. Tritium is an important contaminant found and monitored for in vadose zones across numerous sites within the US nuclear weapons complex, including Los Alamos National Laboratory. The extraction, collection, and laboratory analysis of tritium from subterranean soil gas presents numerous technical challenges that have not been fully studied. Particularly, the lack of moisture in the soil gas in the vadose zone makes it difficult to obtain enough sample (e.g., > 5 g) to provide for the required measurement sensitivity, and often, only small amounts of moisture can be collected. Further, although silica gel has high affinity for water vapor and is prebaked prior to sampling, there is still sufficient residual moisture in the prebaked gel to dilute the relatively small amount of sampled moisture; thereby, significantly lowering the "true" tritium concentration in the soil gas. This paper provides an evaluation of the magnitude of the bias from dilution, provides methods to correct past measurements by applying a correction factor (CF), and evaluates the uncertainty of the CF values. For this, 10,000 Monte Carlo calculations were performed, and distribution parameters of CF values were determined and evaluated. The mean and standard deviation of the distribution of CF values were 1.53 +/- 0.36, and the minimum, median, and maximum values were 1.14, 1.43, and 5.27, respectively.
C1 [Whicker, Jeffrey J.; Dewart, Jean M.; Allen, Shannon P.; Eisele, William F.; McNaughton, Michael W.; Green, Andrew A.] Los Alamos Natl Lab, Environm Programs, Los Alamos, NM 87545 USA.
RP Whicker, JJ (reprint author), Los Alamos Natl Lab, Environm Programs, Mail Stop M992, Los Alamos, NM 87545 USA.
EM jjwhicker@lanl.gov
FU United States Department of Energy [DE-AC52-06NA25369]
FX This work was supported by the United States Department of Energy under
contract DE-AC52-06NA25369. The authors would like to express their
thanks to Ron Rager, Craig Eberhart, and Chris Eco-hawk for their
technical guidance and support during this project.
NR 18
TC 0
Z9 0
U1 1
U2 3
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 0167-6369
J9 ENVIRON MONIT ASSESS
JI Environ. Monit. Assess.
PD JAN
PY 2011
VL 172
IS 1-4
BP 135
EP 143
DI 10.1007/s10661-010-1322-x
PG 9
WC Environmental Sciences
SC Environmental Sciences & Ecology
GA 689VU
UT WOS:000284959400009
PM 20140505
ER
PT J
AU Brooks, SC
Southworth, GR
AF Brooks, Scott C.
Southworth, George R.
TI History of mercury use and environmental contamination at the Oak Ridge
Y-12 Plant
SO ENVIRONMENTAL POLLUTION
LA English
DT Article
DE Bioaccumulation; Heavy metals; Multiple stress; Stress ecology;
Vegetation
ID BOREAL FOREST CATCHMENTS; METHYL MERCURY; INORGANIC MERCURY; AQUATIC
SYSTEMS; METHYLMERCURY; WATER; FISH; SEDIMENTS; GUIZHOU; CHINA
AB Between 1950 and 1963 approximately 11 million kilograms of mercury (Hg) were used at the Oak Ridge Y-12 National Security Complex (Y-12 NSC) for lithium isotope separation processes. About 3% of the Hg was lost to the air, soil and rock under facilities, and East Fork Poplar Creek (EFPC) which originates in the plant site. Smaller amounts of Hg were used at other Oak Ridge facilities with similar results. Although the primary Hg discharges from Y-12 NSC stopped in 1963, small amounts of Hg continue to be released into the creek from point sources and diffuse contaminated soil and groundwater sources within Y-12 NSC. Mercury concentration in EFPC has decreased 85% from similar to 2000 ng/L in the 1980s. In general, methylmercury concentrations in water and in fish have not declined in response to improvements in water quality and exhibit trends of increasing concentration in some cases. Published by Elsevier Ltd.
C1 [Brooks, Scott C.; Southworth, George R.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
RP Brooks, SC (reprint author), Oak Ridge Natl Lab, Div Environm Sci, POB 2008,MS 6038, Oak Ridge, TN 37831 USA.
EM brookssc@ornl.gov
RI Brooks, Scott/B-9439-2012
OI Brooks, Scott/0000-0002-8437-9788
FU U.S. Department of Energy, Office of Science; U.S. Department of Energy
[DEAC05-00OR22725]
FX This work was funded by the U.S. Department of Energy, Office of
Science, Biological and Environmental Research Program and is a product
of the Science Focus Area (SFA) at ORNL. ORNL is managed by UT-Battelle
LLC for the U.S. Department of Energy under contract DEAC05-00OR22725.
The authors wish to express their gratitude to two anonymous reviewers
for their thoughtful comments.
NR 76
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U1 6
U2 53
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0269-7491
J9 ENVIRON POLLUT
JI Environ. Pollut.
PD JAN
PY 2011
VL 159
IS 1
BP 219
EP 228
DI 10.1016/j.envpol.2010.09.009
PG 10
WC Environmental Sciences
SC Environmental Sciences & Ecology
GA 692CR
UT WOS:000285129600030
PM 20889247
ER
PT J
AU Keating, GN
Middleton, RS
Stauffer, PH
Viswanathan, HS
Letellier, BC
Pasqualini, D
Pawar, RJ
Wolfsberg, AV
AF Keating, Gordon N.
Middleton, Richard S.
Stauffer, Philip H.
Viswanathan, Hari S.
Letellier, Bruce C.
Pasqualini, Donatella
Pawar, Rajesh J.
Wolfsberg, Andrew V.
TI Mesoscale Carbon Sequestration Site Screening and CCS Infrastructure
Analysis
SO ENVIRONMENTAL SCIENCE & TECHNOLOGY
LA English
DT Article
ID SYSTEM MODEL; CO2; STORAGE; CAPTURE
AB We explore carbon capture and sequestration (CCS) at the mesoscale, a level of study between regional carbon accounting and highly detailed reservoir models for individual sites. We develop an approach to CO(2) sequestration site screening for industries or energy development policies that involves identification of appropriate sequestration basin, analysis of geologic formations, definition of surface sites, design of infrastructure, and analysis of CO(2) transport and storage costs. Our case study involves carbon management for potential oil shale development in the Piceance-Uinta Basin, CO and UT. This study uses new capabilities of the CO(2)-PENS model for site screening, including reservoir capacity, injectivity, and cost calculations for simple reservoirs at multiple sites. We couple this with a model of optimized source-sink-network infrastructure (SimCCS)to design pipeline networks and minimize CCS cost for a given industry or region. The CLEAR(uff) dynamical assessment model calculates the CO(2) source term for various oil production levels. Nine sites in a 13,300 km(2) area have the capacity to store 6.5 GtCO(2), corresponding to shale-oil production of 1.3 Mbbl/day for 50 years (about 1/4 of U.S. crude oil production). Our results highlight the complex, nonlinear relationship between the spatial deployment of CCS infrastructure and the oil-shale production rate.
C1 [Keating, Gordon N.; Middleton, Richard S.; Stauffer, Philip H.; Viswanathan, Hari S.; Pasqualini, Donatella; Pawar, Rajesh J.; Wolfsberg, Andrew V.] Los Alamos Natl Lab, Earth & Environm Sci Div, Los Alamos, NM 87545 USA.
[Letellier, Bruce C.] Los Alamos Natl Lab, Decis Anal Div, Los Alamos, NM 87545 USA.
RP Keating, GN (reprint author), Los Alamos Natl Lab, Earth & Environm Sci Div, POB 1663, Los Alamos, NM 87545 USA.
EM gkeating@lanl.gov
RI Middleton, Richard/A-5470-2011;
OI Middleton, Richard/0000-0002-8039-6601; Stauffer,
Philip/0000-0002-6976-221X
FU DOE Office of Naval Petroleum and Oil Shale Reserves; DOE Office of
Fossil Energy
FX The study of carbon management for oil shale production in the Piceance
Basin was performed as part of a larger feasibility study of oil shale
development within environmental constraints funded by the DOE Office of
Naval Petroleum and Oil Shale Reserves. We are grateful to James Killen,
our project manager in DOE-FE, for his valuable insight and support.
Development of the injectivity and capacity modules of the
CO2-PENS model was funded by DOE Office of Fossil Energy
through the NETL Carbon Program. We thank Rick Kelley for GIS analysis.
Three anonymous reviewers contributed to the clarity of presentation.
NR 27
TC 26
Z9 27
U1 0
U2 11
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 JAN 1
PY 2011
VL 45
IS 1
BP 215
EP 222
DI 10.1021/es101470m
PG 8
WC Engineering, Environmental; Environmental Sciences
SC Engineering; Environmental Sciences & Ecology
GA 699RA
UT WOS:000285679300033
PM 20698546
ER
PT J
AU Watanabe, KH
Andersen, ME
Basu, N
Carvan, MJ
Crofton, KM
King, KA
Sunol, C
Tiffany-Castiglioni, E
Schultz, IR
AF Watanabe, Karen H.
Andersen, Melvin E.
Basu, Niladri
Carvan, Michael J., III
Crofton, Kevin M.
King, Kerensa A.
Sunol, Cristina
Tiffany-Castiglioni, Evelyn
Schultz, Irvin R.
TI DEFINING AND MODELING KNOWN ADVERSE OUTCOME PATHWAYS DOMOIC ACID AND
NEURONAL SIGNALING AS A CASE STUDY
SO ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY
LA English
DT Article; Proceedings Paper
CT SLTAC Pellston Workshop
CY APR 18-23, 2009
CL Forest Grove, OR
DE Hippocampus; Neurobehavioral; Algal; Toxin; Calcium
ID LIONS ZALOPHUS-CALIFORNIANUS; CEREBELLAR GRANULE CELLS; MINNOW
PIMEPHALES-PROMELAS; HIPPOCAMPAL SLICE CULTURES; AMNESIC SHELLFISH
POISON; PRINCE-EDWARD-ISLAND; TISSUE DISTRIBUTION; ADULT-RATS; SEA
LIONS; RECEPTOR-BINDING
AB An adverse outcome pathway (AOP) is a sequence of key events from a molecular-level initiating event and an ensuing cascade of steps to an adverse outcome with population level significance To implement a predictive strategy for ecotoxicology the multiscale nature of an AOP requires computational models to link salient processes (e g in chemical uptake toxicokinetics to toxicodynamic and population dynamics) A case study with domoic acid was used to demonstrate strategies and enable generic recommendations for developing computational models in an effort to move toward a toxicity testing paradigm focused on toxicity pathway perturbations applicable to ecological risk assessment Domoic acid an algal toxin with adverse effects on both wildlife and humans is a potent agonise for kainate receptors (ionotropic glutamate receptors whose activation leads to the influx of Na(+) and Ca(2+)) Increased Ca(2+) concentrations result in neuronal excitotoxicity and cell death primarily in the hippocampus which produces seizures impairs learning and memory and alters behavior in some species Altered neuronal Ca(2+) is a key process in domoic acid toxicity which can be evaluated in vitro Furthermore results of these assays would be amenable to mechanistic modeling for identifying domoic acid concentrations and Ca(2+) perturbations that are normal adaptive or clearly toxic In vitro assays with outputs amenable to measurement in exposed populations can link in vitro to in vivo conditions and toxicokinetic information will aid in linking in vitro results to the individual organism Development of an AOP required an iterative process with three important outcomes a critically reviewed stressor specific AOP identification of key processes suitable for evaluation with in vitro assays and strategies for model development Environ Toxicol Chem 2011 30 9-21 (C) 2010 SETAC
C1 [Schultz, Irvin R.] Battelle Pacific NW Natl Lab, Sequim, WA USA.
[Watanabe, Karen H.] Oregon Hlth & Sci Univ, Beaverton, OR USA.
[Andersen, Melvin E.] Hamner Inst Hlth Res, Res Triangle Pk, NC USA.
[Basu, Niladri] Univ Michigan, Ann Arbor, MI 48109 USA.
[Carvan, Michael J., III] Univ Wisconsin, Milwaukee, WI 53201 USA.
[Crofton, Kevin M.] US EPA, Res Triangle Pk, NC 27711 USA.
[King, Kerensa A.] Univ Washington, Seattle, WA 98195 USA.
[Sunol, Cristina] Inst Invest Biomed, Barcelona, Spain.
[Tiffany-Castiglioni, Evelyn] Texas A&M Univ, College Stn, TX USA.
RP Schultz, IR (reprint author), Battelle Pacific NW Natl Lab, Sequim, WA USA.
RI Crofton, Kevin/J-4798-2015;
OI Crofton, Kevin/0000-0003-1749-9971; Andersen,
Melvin/0000-0002-3894-4811; Basu, Niladri/0000-0002-2695-1037
NR 125
TC 39
Z9 40
U1 3
U2 25
PU WILEY-BLACKWELL PUBLISHING, INC
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0730-7268
J9 ENVIRON TOXICOL CHEM
JI Environ. Toxicol. Chem.
PD JAN
PY 2011
VL 30
IS 1
BP 9
EP 21
DI 10.1002/etc.373
PG 13
WC Environmental Sciences; Toxicology
SC Environmental Sciences & Ecology; Toxicology
GA 701JM
UT WOS:000285814200002
PM 20963854
ER
PT J
AU Perkins, EJ
Chipman, JK
Edwards, S
Habib, T
Falciani, F
Taylor, R
Van Aggelen, G
Vulpe, C
Antczak, P
Loguinov, A
AF Perkins, Edward J.
Chipman, J. Kevin
Edwards, Stephen
Habib, Tanwir
Falciani, Francesco
Taylor, Ronald
Van Aggelen, Graham
Vulpe, Chris
Antczak, Philipp
Loguinov, Alexandre
TI REVERSE ENGINEERING ADVERSE OUTCOME PATHWAYS
SO ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY
LA English
DT Article; Proceedings Paper
CT SETAC Pellston Workshop
CY APR 18-23, 2009
CL Forest Grove, OR
SP SETAC
DE Mechanism of action; Toxicology; Microarray; Network inference; Adverse
outcome pathway
ID BIOLOGICAL NETWORK INFERENCE; MINNOW PIMEPHALES-PROMELAS;
GENE-EXPRESSION PROFILES; MOLECULAR NETWORKS; IN-VIVO; UNDERSTAND
MECHANISMS; SIGNALING PATHWAY; SYSTEMS BIOLOGY; RISK-ASSESSMENT;
TOXICITY
AB The toxicological effects of many stressors are mediated through unknown or incompletely characterized mechanisms of action The application of reverse engineering complex interaction networks from high dimensional miles data (gene protein metabolic signaling) can be used to overcome these limitations This approach was used to characterize adverse outcome pathways (AOPs) for chemicals that disrupt the hypothalamus-pituitary gonadal endocrine axis in fathead minnows (FHM Pimephales promelas) Gene expression changes in FHM ovaries in response to seven different chemicals over different times doses and in vivo versus in vitro conditions were captured in a large data set of 868 arrays Potential AOPs of the antiandrogen flutamide were examined using two mutual information based methods to infer gene regulatory networks and potential AOPs Representative networks from these studies were used to predict network paths from stressor to adverse outcome as candidate AOPs The relationship of individual chemicals to an adverse outcome can be determined by following perturbations through the network in response to chemical treatment thus leading to the nodes associated with the adverse outcome Identification of candidate pathways allows for formation of testable hypotheses about key biological processes biomarkers or alternative endpoints that can be used to monitor an AOP Finally the unique challenges facing the application of this approach in ecotoxicology were identified and a road map for the utilization of these tools presented Environ Toxicol Chem 2011,30 22-38 (C) 2010 SETAC
C1 [Perkins, Edward J.] USA, Engn Res & Dev Ctr, Vicksburg, MS USA.
[Chipman, J. Kevin; Falciani, Francesco; Antczak, Philipp] Univ Birmingham, Birmingham, W Midlands, England.
[Edwards, Stephen] US EPA, Res Triangle Pk, NC 27711 USA.
[Habib, Tanwir] Univ So Mississippi, Hattiesburg, MS 39406 USA.
[Taylor, Ronald] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Van Aggelen, Graham] Environm Canada, Vancouver, BC, Canada.
[Vulpe, Chris; Loguinov, Alexandre] Univ Calif Berkeley, Berkeley, CA 94720 USA.
RP Perkins, EJ (reprint author), USA, Engn Res & Dev Ctr, Vicksburg, MS USA.
RI Antczak, Philipp/F-4517-2011
NR 97
TC 28
Z9 30
U1 6
U2 31
PU WILEY-BLACKWELL
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0730-7268
EI 1552-8618
J9 ENVIRON TOXICOL CHEM
JI Environ. Toxicol. Chem.
PD JAN
PY 2011
VL 30
IS 1
BP 22
EP 38
DI 10.1002/etc.374
PG 17
WC Environmental Sciences; Toxicology
SC Environmental Sciences & Ecology; Toxicology
GA 701JM
UT WOS:000285814200003
PM 20963852
ER
PT J
AU Kramer, VJ
Etterson, MA
Hecker, M
Murphy, CA
Roesijadi, G
Spade, DJ
Spromberg, JA
Wang, M
Ankley, GT
AF Kramer, Vincent J.
Etterson, Matthew A.
Hecker, Markus
Murphy, Cheryl A.
Roesijadi, Guritno
Spade, Daniel J.
Spromberg, Julann A.
Wang, Magnus
Ankley, Gerald T.
TI ADVERSE OUTCOME PATHWAYS AND ECOLOGICAL RISK ASSESSMENT BRIDGING TO
POPULATION-LEVEL EFFECTS
SO ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY
LA English
DT Article; Proceedings Paper
CT SETAC Pellston Workshop
CY APR 18-23, 2009
CL Forest Grove, OR
SP SETAC
DE Risk assessment; Chemical toxicity; Adverse outcome pathway; Population
model; Pellston workshop
ID CYCLODIENE INSECTICIDE RESISTANCE; CROAKER MICROPOGONIAS-UNDULATUS;
ARYL-HYDROCARBON RECEPTOR; LIFE-HISTORY STRATEGIES; INDIVIDUAL-BASED
MODEL; FRESH-WATER GASTROPOD; ENDOCRINE DISRUPTION; FISH POPULATIONS; 2
STRAINS; ECOSYSTEMS
AB Maintaining the viability of populations of plants and animals is a key focus for environmental regulation Population level responses integrate the cumulative effects of chemical stressors on individuals as those individuals interact with and are affected by their conspecifics, competitors predators, prey habitat and other biotic and abiotic factors Models of population level effects of contaminants can integrate information from lower levels of biological organization and feed that information into higher level community and ecosystem models As individual level endpoints are used to predict population responses this requires that biological responses at lower levels of organization be translated Into a form that is usable by the population modeler In the current study we describe how mechanistic data as captured in adverse outcome pathways (AOPs) can be translated Into modeling focused on population level risk assessments First we describe the regulatory context surrounding population modeling, risk assessment and the emerging role of AOPs Then we present a succinct overview of different approaches to population modeling and discuss the types of data needed for these models We describe how different key biological processes measured at the level of the individual serve as the linkage or bridge between AOPs and predictions of population status including consideration of community level interactions and genetic adaptation Several case examples illustrate the potential for use of AOPs in population modeling and predictive ecotoxicology Finally we make recommendations for focusing toxicity studies to produce the quantitative data needed to define AOPs and to facilitate their incorporation into population modeling Environ Toxicol Chem 2011 30 64-76 (C) 2010 SETAC
C1 [Kramer, Vincent J.] Dow AgroSci, Indianapolis, IN 46268 USA.
[Etterson, Matthew A.; Ankley, Gerald T.] US EPA, Duluth, MN USA.
[Hecker, Markus] ENTRIX, Saskatoon, SK, Canada.
[Murphy, Cheryl A.] Michigan State Univ, E Lansing, MI 48824 USA.
[Roesijadi, Guritno] Pacific NW Natl Lab, Sequim, WA USA.
[Spade, Daniel J.] Univ Florida, Gainesville, FL USA.
[Spromberg, Julann A.] Natl Ocean & Atmospher Adm Fisheries, Seattle, WA USA.
[Wang, Magnus] RIFCON, Heidelberg, Germany.
RP Kramer, VJ (reprint author), Dow AgroSci, Indianapolis, IN 46268 USA.
NR 96
TC 70
Z9 75
U1 12
U2 91
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0730-7268
J9 ENVIRON TOXICOL CHEM
JI Environ. Toxicol. Chem.
PD JAN
PY 2011
VL 30
IS 1
BP 64
EP 76
DI 10.1002/etc.375
PG 13
WC Environmental Sciences; Toxicology
SC Environmental Sciences & Ecology; Toxicology
GA 701JM
UT WOS:000285814200006
PM 20963853
ER
PT J
AU Tannenbaum, JM
Kang, BSJ
Alvin, MA
AF Tannenbaum, J. M.
Kang, B. S. -J.
Alvin, M. A.
BE Monteiro, SN
Verhulst, DE
Anyalebechi, PN
Pomykala, JA
TI Material Performance of TBCs at High Temperature in Moisture-Containing
Environments Using a Load-based Micro-indentation Technique
SO EPD CONGRESS 2011
LA English
DT Proceedings Paper
CT Symposium of the Extraction-and-Processing-Division (EPD) held during
140th TMS Annual Meeting and Exhibition
CY FEB 27-MAR 03, 2011
CL San Diego, CA
SP Minerals, Met & Mat Soc, Minerals, Met & Mat Soc, Extract & Proc Div
AB A load-based micro-indentation technique has been developed for damage assessment and non-destructive spallation detection of TBCs at room temperature. This micro-indentation technology has been further extended to the development of a high temperature (HT) test methodology. Elastic modulus calibration tests performed on H13 Tool Steel to 500 degrees C and Haynes 230 at 1000 degrees C displayed excellent agreement with reported values. Moreover, indentation creep tests of Haynes 230 at 1200 degrees C were found to be in agreement with known creep exponents as well. Finally, a HT thermal flux indentation apparatus was assembled for conducting TBC turbine component testing under high temperature moisture-containing environments (>= 50% steam with controlled gas content temperatures up to 1250 degrees C). Description and design considerations of this test apparatus are discussed. Preliminary tests of ReneN5/MCrAlY/APS TBC coupons in steam/air environments with in-situ HT micro-indentation testing are conducted. Furthermore, the coupon is removed and examined for damage assessment at periodical intervals.
C1 [Tannenbaum, J. M.; Kang, B. S. -J.] West Virginia Univ, Mech & Aerosp Engn, Morgantown, WV 26506 USA.
[Alvin, M. A.] Natl Energy Technol Lab, Dept Energy, Morgantown, WV 26507 USA.
RP Tannenbaum, JM (reprint author), West Virginia Univ, Mech & Aerosp Engn, Morgantown, WV 26506 USA.
FU U.S. Department of Energy, National Energy Technology Laboratory
[DE-C26-04NT41817.606.01.01]
FX This research is supported by U.S. Department of Energy, National Energy
Technology Laboratory under Contract DE-C26-04NT41817.606.01.01. The
support of Richard Dennis, NETL Turbine Technology Manager, is much
appreciated.
NR 17
TC 0
Z9 0
U1 0
U2 0
PU JOHN WILEY & SONS
PI CHICHESTER
PA THE ATRIUM, SOUTHERN GATE, CHICHESTER, W SUSSEX PO 19 8SQ, ENGLAND
BN 978-1-11803-652-5
PY 2011
BP 13
EP 20
PG 8
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Mining & Mineral Processing
SC Materials Science; Metallurgy & Metallurgical Engineering; Mining &
Mineral Processing
GA BIC58
UT WOS:000327402200002
ER
PT J
AU Westphal, BR
Li, SX
Fredrickson, GL
Vaden, D
Johnson, TA
Wass, JC
AF Westphal, B. R.
Li, S. X.
Fredrickson, G. L.
Vaden, D.
Johnson, T. A.
Wass, J. C.
BE Monteiro, SN
Verhulst, DE
Anyalebechi, PN
Pomykala, JA
TI EVALUATION OF 2.25Cr-1Mo ALLOY FOR CONTAINMENT OF LiCl/KCl EUTECTIC
DURING THE PYROMETALLURGICAL PROCESSING OF USED NUCLEAR FUEL
SO EPD CONGRESS 2011
LA English
DT Proceedings Paper
CT Symposium of the Extraction-and-Processing-Division (EPD) held during
140th TMS Annual Meeting and Exhibition
CY FEB 27-MAR 03, 2011
CL San Diego, CA
SP Minerals, Met & Mat Soc, Minerals, Met & Mat Soc, Extract & Proc Div
DE Pyroprocessing; Molten Salt; Corrosion
ID CORROSION; KCL; METALS
AB Recovery of uranium from the Mk-IV and Mk-V electrorefiner vessels containing a LiCl/KCl eutectic salt has been on-going during the pyrometallurgical processing of used nuclear fuel for 14 and 12 years, respectively. Although austenitic stainless steels are typically utilized for LiCl/KCl salt systems, the presence of cadmium in the Mk-IV electrorefiner dictates an alternate material. A 2.25Cr-1Mo alloy (ASME SA-387) was chosen due to the absence of nickel in the alloy which has a considerable solubility in cadmium. Using the transition metal impurities (iron, chromium, nickel, molybdenum, and manganese) in the electrorefined uranium products, an algorithm was developed to derive values for the contribution of the transition metals from the various input sources. Weight loss and corrosion rate data for the Mk-V electrorefiner vessel were then generated based on the transition metal impurities in the uranium products. To date, the corrosion rate of the 2.25Cr-1Mo alloy in LiCl/KCl eutectic is "outstanding" assuming uniform (i.e. non-localized) conditions.
C1 [Westphal, B. R.; Li, S. X.; Fredrickson, G. L.; Vaden, D.; Johnson, T. A.; Wass, J. C.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
RP Westphal, BR (reprint author), Idaho Natl Lab, POB 1625, Idaho Falls, ID 83415 USA.
NR 15
TC 0
Z9 0
U1 1
U2 2
PU JOHN WILEY & SONS
PI CHICHESTER
PA THE ATRIUM, SOUTHERN GATE, CHICHESTER, W SUSSEX PO 19 8SQ, ENGLAND
BN 978-1-11803-652-5
PY 2011
BP 569
EP 574
PG 6
WC Materials Science, Multidisciplinary; Metallurgy & Metallurgical
Engineering; Mining & Mineral Processing
SC Materials Science; Metallurgy & Metallurgical Engineering; Mining &
Mineral Processing
GA BIC58
UT WOS:000327402200064
ER
PT S
AU Laurenzano, MA
Meswani, M
Carrington, L
Snavely, A
Tikir, MM
Poole, S
AF Laurenzano, Michael A.
Meswani, Mitesh
Carrington, Laura
Snavely, Allan
Tikir, Mustafa M.
Poole, Stephen
BE Jeannot, E
Namyst, R
Roman, J
TI Reducing Energy Usage with Memory and Computation-Aware Dynamic
Frequency Scaling
SO EURO-PAR 2011 PARALLEL PROCESSING, PT 1
SE Lecture Notes in Computer Science
LA English
DT Proceedings Paper
CT 17th International Euro-Par Conference on Parallel Processing
CY AUG 29-SEP 02, 2011
CL Bordeaux, FRANCE
SP French Natl Inst Res Comp Sci & Control, Bordeaux Sud Ouest Ctr, Comp Sci Lab Bordeaux
DE High Performance Computing; Dynamic Voltage Frequency Scaling;
Benchmarking; Memory Latency; Energy Optimization
AB Over the life of a modern supercomputer, the energy cost of running the system can exceed the cost of the original hardware purchase. This has driven the community to attempt to understand and minimize energy costs wherever possible. Towards these ends, we present an automated, fine-grained approach to selecting per-loop processor clock frequencies. The clock frequency selection criteria is established through a combination of lightweight static analysis and runtime tracing that automatically acquires application signatures - characterizations of the patterns of execution of each loop in an application. This application characterization is matched with one of a series of benchmark loops, which have been run on the target system and probe it in various ways. These benchmarks form a covering set, a machine characterization of the expected power consumption and performance traits of the machine over the space of execution patterns and clock frequencies. The frequency that confers the optimal behavior in terms of power-delay product for the benchmark that most closely resembles each application loop is the one chosen for that loop. The set of tools that implement this scheme is fully automated, built on top of freely available open source software, and uses an inexpensive power measurement apparatus. We use these tools to show a measured, system-wide energy savings of up to 7.6% on an 8-core Intel Xeon E5530 and 10.6% on a 32-core AMD Opteron 8380 (a Sun X4600 Node) across a range of workloads.
C1 [Laurenzano, Michael A.; Meswani, Mitesh; Carrington, Laura; Snavely, Allan] San Diego Supercomp Ctr, La Jolla, CA 92093 USA.
[Tikir, Mustafa M.] Inc, Google, Mountain View, CA USA.
[Poole, Stephen] Oak Ridge Natl Lab, Oak Ridge, TN USA.
RP Laurenzano, MA (reprint author), San Diego Supercomp Ctr, La Jolla, CA 92093 USA.
EM michaell@sdsc.edu; mitesh@sdsc.edu; lcarring@sdsc.edu; allans@sdsc.edu;
mustafa.m.tikir@gmail.com; spoole@ornl.gov
FU Department of Defense and used elements at the Extreme Scale Systems
Center; Oak Ridge National Laboratory and - Department of Defense
FX This work was funded in part by the Department of Defense and used
elements at the Extreme Scale Systems Center, located at Oak Ridge
National Laboratory and funded by the Department of Defense. This work
also used resources from Dash and from the Triton Resource at the San
Diego Supercomputer Center. Special thanks to Phil Papadopoulos, Jim
Hayes and Jeffrey Filliez at SDSC for their help related to gathering
measurements on the Triton Resource.
NR 18
TC 9
Z9 9
U1 0
U2 3
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-642-23400-2
J9 LECT NOTES COMPUT SC
PY 2011
VL 6852
BP 79
EP 90
PG 12
WC Computer Science, Theory & Methods
SC Computer Science
GA BB3LA
UT WOS:000342831000009
ER
PT S
AU Lindsay, AM
Galloway-Carson, M
Johnson, CR
Bunde, DP
Leung, VJ
AF Lindsay, Alexander M.
Galloway-Carson, Maxwell
Johnson, Christopher R.
Bunde, David P.
Leung, Vitus J.
BE Jeannot, E
Namyst, R
Roman, J
TI Backfilling with Guarantees Granted upon Job Submission
SO EURO-PAR 2011 PARALLEL PROCESSING, PT 1
SE Lecture Notes in Computer Science
LA English
DT Proceedings Paper
CT 17th International Euro-Par Conference on Parallel Processing
CY AUG 29-SEP 02, 2011
CL Bordeaux, FRANCE
SP French Natl Inst Res Comp Sci & Control, Bordeaux Sud Ouest Ctr, Comp Sci Lab Bordeaux
ID PERFORMANCE; PREDICTIONS
AB In this paper, we present scheduling algorithms that simultaneously support guaranteed starting times and favor jobs with system-desired traits. To achieve the first of these goals, our algorithms keep a profile with potential starting times for every unfinished job and never move these starting times later, just as in Conservative Backfilling. To achieve the second, they exploit previously unrecognized flexibility in the handling of holes opened in this profile when jobs finish early. We find that, with one choice of job selection function, our algorithms can consistently yield a lower average waiting time than Conservative Backfilling while still providing a guaranteed start time to each job as it arrives. In fact, in most cases, the algorithms give a lower average waiting time than the more aggressive EASY backfilling algorithm, which does not provide guaranteed start times. Alternately, with a different choice of job selection function, our algorithms can focus the benefit on the widest submitted jobs, the reason for the existence of parallel systems. In this case, these jobs experience significantly lower waiting time than Conservative Backfilling with minimal impact on other jobs.
C1 [Lindsay, Alexander M.] iBASEt, Foothill Ranch, CA 92610 USA.
[Galloway-Carson, Maxwell; Johnson, Christopher R.; Bunde, David P.] Knox Coll, Galesburg, IL USA.
[Leung, Vitus J.] Sandia Natl Labs, Livermore, CA 94551 USA.
RP Lindsay, AM (reprint author), iBASEt, Foothill Ranch, CA 92610 USA.
FU Sandia National Laboratories [763836, 899808]; United States Department
of Energy [DE-AC04-94AL85000]
FX A.M. Lindsay, M. Galloway- Carson, C.R. Johnson, and D. P. Bunde were
partially supported by contracts 763836 and 899808 from Sandia National
Laboratories. Sandia is a multipurpose laboratory operated by Sandia
Corporation, a Lockheed-Martin Company, for the United States Department
of Energy under Contract No. DE-AC04-94AL85000. We also thank all those
who contributed traces to the Parallel Workloads Archive.
NR 15
TC 0
Z9 0
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-642-23400-2
J9 LECT NOTES COMPUT SC
PY 2011
VL 6852
BP 142
EP 153
PG 12
WC Computer Science, Theory & Methods
SC Computer Science
GA BB3LA
UT WOS:000342831000014
ER
PT S
AU Lakshminarasimhan, S
Shah, N
Ethier, S
Klasky, S
Latham, R
Ross, R
Samatova, NF
AF Lakshminarasimhan, Sriram
Shah, Neil
Ethier, Stephane
Klasky, Scott
Latham, Rob
Ross, Rob
Samatova, Nagiza F.
BE Jeannot, E
Namyst, R
Roman, J
TI Compressing the Incompressible with ISABELA: In-situ Reduction of
Spatio-temporal Data
SO EURO-PAR 2011 PARALLEL PROCESSING, PT 1
SE Lecture Notes in Computer Science
LA English
DT Proceedings Paper
CT 17th International Euro-Par Conference on Parallel Processing
CY AUG 29-SEP 02, 2011
CL Bordeaux, FRANCE
SP French Natl Inst Res Comp Sci & Control, Bordeaux Sud Ouest Ctr, Comp Sci Lab Bordeaux
DE Lossy Compression; B-spline; In-situ Processing; Data-intensive
Application; High Performance Computing
ID B-SPLINES
AB Modern large-scale scientific simulations running on HPC systems generate data in the order of terabytes during a single run. To lessen the I/O load during a simulation run, scientists are forced to capture data infrequently, thereby making data collection an inherently lossy process. Yet, lossless compression techniques are hardly suitable for scientific data due to its inherently random nature; for the applications used here, they offer less than 10% compression rate. They also impose significant overhead during decompression, making them unsuitable for data analysis and visualization that require repeated data access.
To address this problem, we propose an effective method for In-situ Sort-And-B-spline Error-bounded Lossy Abatement (ISABELA) of scientific data that is widely regarded as effectively incompressible. With ISABELA, we apply a preconditioner to seemingly random and noisy data along spatial resolution to achieve an accurate fitting model that guarantees a >= 0.99 correlation with the original data. We further take advantage of temporal patterns in scientific data to compress data by approximate to 85%, while introducing only a negligible overhead on simulations in terms of runtime. ISABELA significantly outperforms existing lossy compression methods, such as Wavelet compression. Moreover, besides being a communication-free and scalable compression technique, ISABELA is an inherently local decompression method, namely it does not decode the entire data, making it attractive for random access.
C1 [Lakshminarasimhan, Sriram; Shah, Neil; Samatova, Nagiza F.] North Carolina State Univ, Raleigh, NC 27695 USA.
[Lakshminarasimhan, Sriram; Klasky, Scott; Samatova, Nagiza F.] Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA.
[Ethier, Stephane] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA.
[Latham, Rob; Ross, Rob] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Lakshminarasimhan, S (reprint author), North Carolina State Univ, Raleigh, NC 27695 USA.
EM samatova@csc.ncsu.edu
OI Latham, Rob/0000-0002-5285-6375
FU U. S. Department of Energy, Office of Science (SciDAC SDM Center)
[DE-AC02-06CH11357, DEFC02-10ER26002/DE-SC0004935, DE-FOA-0000256,
DE-FOA-0000257]; U. S. National Science Foundation [CCF-1029711]; LLC U.
S. D.O.E [DEAC05-00OR22725]
FX This work was supported in part by the U. S. Department of Energy,
Office of Science (SciDAC SDM Center, DE-AC02-06CH11357, DEFC02-
10ER26002/ DE-SC0004935, DE-FOA-0000256, DE-FOA-0000257) and the U. S.
National Science Foundation (CCF-1029711 (Expeditions in Computing)).
Oak Ridge National Laboratory is managed by UT-Battelle for the LLC U.
S. D.O.E. under contract no. DEAC05-00OR22725.
NR 18
TC 12
Z9 12
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-642-23400-2
J9 LECT NOTES COMPUT SC
PY 2011
VL 6852
BP 366
EP 379
PG 14
WC Computer Science, Theory & Methods
SC Computer Science
GA BB3LA
UT WOS:000342831000034
ER
PT S
AU Ali, N
Krishnamoorthy, S
Govind, N
Kowalski, K
Sadayappan, P
AF Ali, Nawab
Krishnamoorthy, Sriram
Govind, Niranjan
Kowalski, Karol
Sadayappan, Ponnuswamy
BE Jeannot, E
Namyst, R
Roman, J
TI Application-Specific Fault Tolerance via Data Access Characterization
SO EURO-PAR 2011 PARALLEL PROCESSING, PT 2
SE Lecture Notes in Computer Science
LA English
DT Proceedings Paper
CT 17th International Euro-Par Conference on Parallel Processing
CY AUG 29-SEP 02, 2011
CL Bordeaux, FRANCE
SP French Natl Inst Res Comp Sci & Control, Bordeaux Sud Ouest Ctr, Comp Sci Lab Bordeaux
DE Fault tolerance; Data access characterization; NWChem
ID ROLLBACK-RECOVERY; DOUBLES MODEL; PERFORMANCE; CHEMISTRY; SINGLES;
SYSTEMS
AB Recent trends in semiconductor technology and supercomputer design predict an increasing probability of faults during an application's execution. Designing an application that is resilient to system failures requires careful evaluation of the impact of various approaches on preserving key application state. In this paper, we present our experiences in an ongoing effort to make a large computational chemistry application fault tolerant. We construct the data access signatures of key application modules to evaluate alternative fault tolerance approaches. We present the instrumentation methodology, characterization of the application modules, and evaluation of fault tolerance techniques using the information collected. The application signatures developed capture application characteristics not traditionally revealed by performance tools. We believe these can be used in the design and evaluation of runtimes beyond fault tolerance.
C1 [Ali, Nawab; Krishnamoorthy, Sriram; Govind, Niranjan; Kowalski, Karol] Pacific Northwest Natl Lab, Richland, WA 99352 USA.
[Sadayappan, Ponnuswamy] Ohio State Univ, Columbus, OH 43210 USA.
RP Ali, N (reprint author), Pacific Northwest Natl Lab, Richland, WA 99352 USA.
EM nawab.ali@pnl.gov; sriram@pnl.gov; niri.govind@pnl.gov;
karol.kowalski@pnl.gov; saday@cse.ohio-state.edu
FU U. S. Department of Energy [47590, DE- AC05- 76RL01830]; Department of
Energy's Office of Biological and Environmental Research; Pacific
Northwest National Laboratory ( PNNL).
FX This work was supported by the U. S. Department of Energy via Grant
47590. A portion of the research was performed using the Molecular
Science Computing ( MSC) capability at EMSL, a national scientific user
facility sponsored by the 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 under contract DE- AC05- 76RL01830.
NR 28
TC 0
Z9 0
U1 0
U2 2
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-642-23397-5
J9 LECT NOTES COMPUT SC
PY 2011
VL 6853
BP 340
EP 352
PG 13
WC Computer Science, Theory & Methods
SC Computer Science
GA BB3KY
UT WOS:000342829200034
ER
PT S
AU Van Straalen, B
Colella, P
Graves, DT
Keen, N
AF Van Straalen, Brian
Colella, Phil
Graves, Daniel T.
Keen, Noel
BE Jeannot, E
Namyst, R
Roman, J
TI Petascale Block-Structured AMR Applications without Distributed
Meta-data
SO EURO-PAR 2011 PARALLEL PROCESSING, PT 2
SE Lecture Notes in Computer Science
LA English
DT Proceedings Paper
CT 17th International Euro-Par Conference on Parallel Processing
CY AUG 29-SEP 02, 2011
CL Bordeaux, FRANCE
SP French Natl Inst Res Comp Sci & Control, Bordeaux Sud Ouest Ctr, Comp Sci Lab Bordeaux
ID ADAPTIVE MESH REFINEMENT; NAVIER-STOKES EQUATIONS; 3 DIMENSIONS
AB Adaptive mesh refinement (AMR) applications to solve partial differential equations (PDE) are very challenging to scale efficiently to the petascale regime.
We describe optimizations to the Chombo AMR framework that enable it to scale efficiently to petascale on the Cray XT5. We describe an example of a hyperbolic solver (inviscid gas dynamics) and an matrix-free geometric multigrid elliptic solver. Both show good weak scaling to 131K processors without any thread-level or SIMD vector parallelism.
This paper describes the algorithms used to compress the Chombo metadata and the optimizations of the Chombo infrastructure that are necessary for this scaling result. That we are able to achieve petascale performance without distribution of the metadata is a significant advance which allows for much simpler and faster AMR codes.
C1 [Van Straalen, Brian; Colella, Phil; Graves, Daniel T.; Keen, Noel] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Appl Numer Algorithms Grp, Berkeley, CA 94720 USA.
RP Van Straalen, B (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Appl Numer Algorithms Grp, Berkeley, CA 94720 USA.
NR 12
TC 3
Z9 3
U1 1
U2 2
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-642-23397-5
J9 LECT NOTES COMPUT SC
PY 2011
VL 6853
BP 377
EP 386
PG 10
WC Computer Science, Theory & Methods
SC Computer Science
GA BB3KY
UT WOS:000342829200037
ER
PT S
AU Jenkins, J
Arkatkar, I
Owens, JD
Choudhary, A
Samatova, NF
AF Jenkins, John
Arkatkar, Isha
Owens, John D.
Choudhary, Alok
Samatova, Nagiza F.
BE Jeannot, E
Namyst, R
Roman, J
TI Lessons Learned from Exploring the Backtracking Paradigm on the GPU
SO EURO-PAR 2011 PARALLEL PROCESSING, PT 2
SE Lecture Notes in Computer Science
LA English
DT Proceedings Paper
CT 17th International Euro-Par Conference on Parallel Processing
CY AUG 29-SEP 02, 2011
CL Bordeaux, FRANCE
SP French Natl Inst Res Comp Sci & Control, Bordeaux Sud Ouest Ctr, Comp Sci Lab Bordeaux
ID ALGORITHMS; CLIQUES
AB We explore the backtracking paradigm with properties seen as sub-optimal for GPU architectures, using as a case study the maximal clique enumeration problem, and find that the presence of these properties limit GPU performance to approximately 1.4-2.25 times a single CPU core. The GPU performance "lessons" we find critical to providing this performance include a coarse-and-fine-grain parallelization of the search space, a low-overhead load-balanced distribution of work, global memory latency hiding through coalescence, saturation, and shared memory utilization, and the use of GPU output buffering as a solution to irregular workloads and a large solution domain. We also find a strong reliance on an efficient global problem structure representation that bounds any efficiencies gained from these lessons, and discuss the meanings of these results to backtracking problems in general.
C1 [Jenkins, John; Arkatkar, Isha; Samatova, Nagiza F.] North Carolina State Univ, Raleigh, NC 27695 USA.
[Jenkins, John; Arkatkar, Isha; Samatova, Nagiza F.] Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA.
[Owens, John D.] Univ Calif, Davis, CA 95616 USA.
[Choudhary, Alok] Northwestern Univ, Evanston, IL 60208 USA.
RP Samatova, NF (reprint author), North Carolina State Univ, Raleigh, NC 27695 USA.
EM samatova@csc.ncsu.edu
FU ARC; NVIDIA; U.S. Department of Energy; Office of Science (SciDAC SDM
Center and SciDAC Institute for Ultrascale Visualization); DOE
[DE-SC0005340, DE- FG02-08ER25848, DE-FC02-10ER26002/ DE-SC0004935]; NSF
[CCF1029166, CCF-1017399, IIS-0905205, CCF-0938000]; LLC U.S. D.O.E
[DEAC05-00OR22725]; [NSF-CRI 0958311]
FX We would like to thank Dr. W. Hendrix for useful discussions.
Experiments were conducted in part on the ARC cluster support in part by
NSF-CRI 0958311 and NVIDIA donations. This work was supported in part by
the U.S. Department of Energy, Office of Science (SciDAC SDM Center and
SciDAC Institute for Ultrascale Visualization), DOE DE-SC0005340, DOE
DE- FG02-08ER25848, DE-FC02-10ER26002/ DE-SC0004935, NSF CCF1029166,
CCF-1017399, IIS-0905205, and CCF-0938000. Oak Ridge National Laboratory
is managed by UT- Battelle for the LLC U.S. D.O.E. under contract no.
DEAC05-00OR22725.
NR 20
TC 6
Z9 6
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-642-23397-5
J9 LECT NOTES COMPUT SC
PY 2011
VL 6853
BP 425
EP 437
PG 13
WC Computer Science, Theory & Methods
SC Computer Science
GA BB3KY
UT WOS:000342829200042
ER
PT J
AU Silbar, RR
Goldman, T
AF Silbar, Richard R.
Goldman, T.
TI Solving the radial Dirac equations: a numerical odyssey
SO EUROPEAN JOURNAL OF PHYSICS
LA English
DT Article
ID QUARK CONDENSATE; QUANTUM-THEORY; NUCLEON; SYMMETRY; ELECTRON; MODEL;
CHARMONIUM; STATES
AB We discuss, in a pedagogical way, how to solve for relativistic wavefunctions from the radial Dirac equations. We first solve the equations for a linear Lorentz scalar potential, V-s(r), that provides for confinement of a quark; the case of massless u and d quarks is necessarily relativistic. We use an iterative 'shooting and matching' procedure to find the eigenenergies and the upper and lower component wavefunctions. Solutions for the massive quarks (s, c, and b) are also presented. We then consider the Coulomb potential [V-v(r), 0]. We re-derive, numerically, the (analytically well-known) relativistic hydrogen atom eigenenergies and wavefunctions, and later extend that to the cases of heavier one-electron atoms and muonic atoms. Finally, we solve for a combination of the V-s and V-v potentials, when both potentials are linearly confining and V-v has a color Coulombic component. We establish when these potentials give a vanishing spin-orbit interaction (as is approximately the case in quark models of the baryonic spectrum).
C1 [Silbar, Richard R.; Goldman, T.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
RP Silbar, RR (reprint author), Los Alamos Natl Lab, Div Theoret, MS B283, Los Alamos, NM 87545 USA.
EM silbar@lanl.gov; tgoldman@lanl.gov
NR 41
TC 3
Z9 3
U1 0
U2 3
PU IOP PUBLISHING LTD
PI BRISTOL
PA TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
SN 0143-0807
J9 EUR J PHYS
JI Eur. J. Phys.
PD JAN
PY 2011
VL 32
IS 1
BP 217
EP 233
DI 10.1088/0143-0807/32/1/021
PG 17
WC Education, Scientific Disciplines; Physics, Multidisciplinary
SC Education & Educational Research; Physics
GA 696PO
UT WOS:000285454000022
ER
PT J
AU Belloni, F
Calviani, M
Colonna, N
Mastinu, P
Milazzo, PM
Abbondanno, U
Aerts, G
Alvarez, H
Alvarez-Velarde, F
Andriamonje, S
Andrzejewski, J
Audouin, L
Badurek, G
Baumann, P
Becvar, F
Berthoumieux, E
Calvino, F
Cano-Ott, D
Capote, R
Carrapico, C
Cennini, P
Chepel, V
Chiaveri, E
Cortes, G
Couture, A
Cox, J
Dahlfors, M
David, S
Dillmann, I
Domingo-Pardo, C
Dridi, W
Duran, I
Eleftheriadis, C
Embid-Segura, M
Ferrari, A
Ferreira-Marques, R
Fujii, K
Furman, W
Goncalves, I
Gonzalez-Romero, E
Goverdovski, A
Gramegna, F
Guerrero, C
Gunsing, F
Haas, B
Haight, R
Heil, M
Herrera-Martinez, A
Igashira, M
Jericha, E
Kappeler, F
Kadi, Y
Karadimos, D
Karamanis, D
Kerveno, M
Koehler, P
Kossionides, E
Krticka, M
Lamboudis, C
Leeb, H
Lindote, A
Lopes, I
Lozano, M
Lukic, S
Marganiec, J
Marrone, S
Martinez, T
Massimi, C
Meaze, MH
Mengoni, A
Moreau, C
Mosconi, M
Neves, F
Oberhummer, H
O'Brien, S
Pancin, J
Papachristodoulou, C
Papadopoulos, C
Paradela, C
Patronis, N
Pavlik, A
Pavlopoulos, P
Perrot, L
Pigni, MT
Plag, R
Plompen, A
Plukis, A
Poch, A
Praena, J
Pretel, C
Quesada, J
Rauscher, T
Reifarth, R
Rosetti, M
Rubbia, C
Rudolf, G
Rullhusen, P
Salgado, J
Santos, C
Sarchiapone, L
Savvidis, I
Stephan, C
Tagliente, G
Tain, JL
Tassan-Got, L
Tavora, L
Terlizzi, R
Vannini, G
Vaz, P
Ventura, A
Villamarin, D
Vincente, MC
Vlachoudis, V
Vlastou, R
Voss, F
Walter, S
Wiescher, M
Wisshak, K
AF Belloni, F.
Calviani, M.
Colonna, N.
Mastinu, P.
Milazzo, P. M.
Abbondanno, U.
Aerts, G.
Alvarez, H.
Alvarez-Velarde, F.
Andriamonje, S.
Andrzejewski, J.
Audouin, L.
Badurek, G.
Baumann, P.
Becvar, F.
Berthoumieux, E.
Calvino, F.
Cano-Ott, D.
Capote, R.
Carrapico, C.
Cennini, P.
Chepel, V.
Chiaveri, E.
Cortes, G.
Couture, A.
Cox, J.
Dahlfors, M.
David, S.
Dillmann, I.
Domingo-Pardo, C.
Dridi, W.
Duran, I.
Eleftheriadis, C.
Embid-Segura, M.
Ferrari, A.
Ferreira-Marques, R.
Fujii, K.
Furman, W.
Goncalves, I.
Gonzalez-Romero, E.
Goverdovski, A.
Gramegna, F.
Guerrero, C.
Gunsing, F.
Haas, B.
Haight, R.
Heil, M.
Herrera-Martinez, A.
Igashira, M.
Jericha, E.
Kaeppeler, F.
Kadi, Y.
Karadimos, D.
Karamanis, D.
Kerveno, M.
Koehler, P.
Kossionides, E.
Krticka, M.
Lamboudis, C.
Leeb, H.
Lindote, A.
Lopes, I.
Lozano, M.
Lukic, S.
Marganiec, J.
Marrone, S.
Martinez, T.
Massimi, C.
Meaze, M. H.
Mengoni, A.
Moreau, C.
Mosconi, M.
Neves, F.
Oberhummer, H.
O'Brien, S.
Pancin, J.
Papachristodoulou, C.
Papadopoulos, C.
Paradela, C.
Patronis, N.
Pavlik, A.
Pavlopoulos, P.
Perrot, L.
Pigni, M. T.
Plag, R.
Plompen, A.
Plukis, A.
Poch, A.
Praena, J.
Pretel, C.
Quesada, J.
Rauscher, T.
Reifarth, R.
Rosetti, M.
Rubbia, C.
Rudolf, G.
Rullhusen, P.
Salgado, J.
Santos, C.
Sarchiapone, L.
Savvidis, I.
Stephan, C.
Tagliente, G.
Tain, J. L.
Tassan-Got, L.
Tavora, L.
Terlizzi, R.
Vannini, G.
Vaz, P.
Ventura, A.
Villamarin, D.
Vincente, M. C.
Vlachoudis, V.
Vlastou, R.
Voss, F.
Walter, S.
Wiescher, M.
Wisshak, K.
CA n TOF Collaboration
TI Neutron-induced fission cross-section of U-233 in the energy range 0.5 <
E-n < 20 MeV
SO EUROPEAN PHYSICAL JOURNAL A
LA English
DT Article
ID TOF; STANDARDS; CERN
AB The neutron-induced fission cross-section of U-233 has been measured at the CERN n_TOF facility relative to the standard fission cross-section of U-235 between 0.5 and 20MeV. The experiment was performed with a fast ionization chamber for the detection of the fission fragments and to discriminate against alpha-particles from the natural radioactivity of the samples. The high instantaneous flux and the low background of the n_TOF facility result in data with uncertainties of approximate to 3%, which were found in good agreement with previous experiments. The high quality of the present results allows to improve the evaluation of the U-233(n, f) cross-section and, consequently, the design of energy systems based on the Th/U cycle.
C1 [Belloni, F.; Milazzo, P. M.; Abbondanno, U.; Fujii, K.; Moreau, C.] Ist Nazl Fis Nucl INFN, Trieste, Italy.
[Calviani, M.; Mastinu, P.; Gramegna, F.] Ist Nazl Fis Nucl INFN, Lab Nazl Legnaro, Legnaro, Italy.
[Calviani, M.; Cennini, P.; Chiaveri, E.; Dahlfors, M.; Ferrari, A.; Herrera-Martinez, A.; Kadi, Y.; Mengoni, A.; Sarchiapone, L.; Vlachoudis, V.] CERN, Geneva, Switzerland.
[Colonna, N.; Marrone, S.; Meaze, M. H.; Tagliente, G.; Terlizzi, R.] Ist Nazl Fis Nucl INFN, Bari, Italy.
[Aerts, G.; Andriamonje, S.; Berthoumieux, E.; Dridi, W.; Gunsing, F.; Pancin, J.; Perrot, L.; Plukis, A.] CEA, Gif Sur Yvette, France.
[Alvarez, H.; Cano-Ott, D.; Duran, I.; Embid-Segura, M.; Gonzalez-Romero, E.; Paradela, C.] Univ Santiago de Compostela, Santiago De Compostela, Spain.
[Alvarez-Velarde, F.; Guerrero, C.; Martinez, T.; Villamarin, D.; Vincente, M. C.] Ctr Invest Energet Medioambient & Technol, Madrid, Spain.
[Andrzejewski, J.; Marganiec, J.] Univ Lodz, PL-90131 Lodz, Poland.
[Audouin, L.; Dillmann, I.; Heil, M.; Kaeppeler, F.; Mosconi, M.; Plag, R.; Voss, F.; Walter, S.; Wisshak, K.] Karlsruhe Inst Technol, Inst Kernphys, Karlsruhe, Germany.
[Badurek, G.; Jericha, E.; Leeb, H.; Oberhummer, H.; Pigni, M. T.] Vienna Univ Technol, Atominst Osterreich Univ, Vienna, Austria.
[Baumann, P.; David, S.; Kerveno, M.; Lukic, S.; Rudolf, G.] Ctr Natl Rech Sci, IN2P3 IReS, Strasbourg, France.
[Becvar, F.; Krticka, M.] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic.
[Calvino, F.; Cortes, G.; Poch, A.; Pretel, C.] Univ Politecn Cataluna, Barcelona, Spain.
[Capote, R.; Mengoni, A.] Int Atom Energy Agcy IAEA, NAPC Nucl Data Sect, Vienna, Austria.
[Capote, R.; Lozano, M.; Praena, J.; Quesada, J.] Univ Seville, Seville, Spain.
[Carrapico, C.; Goncalves, I.; Salgado, J.; Santos, C.; Tavora, L.; Vaz, P.] Inst Tecnol Nucl ITN, Lisbon, Portugal.
[Chepel, V.; Ferreira-Marques, R.; Lindote, A.; Lopes, I.; Neves, F.] Univ Coimbra, LIP Coimbra, P-3000 Coimbra, Portugal.
[Chepel, V.; Ferreira-Marques, R.; Lindote, A.; Lopes, I.; Neves, F.] Univ Coimbra, Dept Fis, P-3000 Coimbra, Portugal.
[Couture, A.; Cox, J.; O'Brien, S.; Wiescher, M.] Univ Notre Dame, Notre Dame, IN 46556 USA.
[Domingo-Pardo, C.; Tain, J. L.] Univ Valencia, Inst Fis Corpuscular, CSIC, E-46003 Valencia, Spain.
[Eleftheriadis, C.; Lamboudis, C.; Savvidis, I.] Aristotle Univ Thessaloniki, Thessaloniki, Greece.
[Furman, W.; Haight, R.] Joint Inst Nucl Res, Frank Lab Neutron Phys, Dubna, Russia.
[Goverdovski, A.] Inst Phys & Power Engn, Obninsk, Russia.
[Haas, B.] Ctr Natl Rech Sci, IN2P3 CENBG, Bordeaux, France.
[Reifarth, R.] Los Alamos Natl Lab, Los Alamos, NM USA.
[Igashira, M.] Tokyo Inst Technol, Tokyo 152, Japan.
[Karadimos, D.; Karamanis, D.; Papachristodoulou, C.; Patronis, N.] Univ Ioannina, GR-45110 Ioannina, Greece.
[Koehler, P.] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA.
[Kossionides, E.] NCSR, Athens, Greece.
[Massimi, C.; Vannini, G.] Univ Bologna, Dipartimento Fis, I-40126 Bologna, Italy.
[Massimi, C.; Vannini, G.] Sez INFN Bologna, Bologna, Italy.
[Papadopoulos, C.; Vlastou, R.] Natl Tech Univ Athens, GR-10682 Athens, Greece.
[Pavlik, A.] Univ Vienna, Inst Fak Phys, A-1010 Vienna, Austria.
[Pavlopoulos, P.] Pole Univ Leonard de Vinci, Paris, France.
[Plompen, A.; Rullhusen, P.] CEC JRC IRMM, Geel, Belgium.
[Rauscher, T.] Univ Basel, Dept Phys & Astron, CH-4003 Basel, Switzerland.
[Rosetti, M.; Ventura, A.] ENEA, Bologna, Italy.
[Rubbia, C.] Univ Pavia, I-27100 Pavia, Italy.
[Stephan, C.; Tassan-Got, L.] Ctr Natl Rech Sci, IN2P3 IPN, Orsay, France.
RP Belloni, F (reprint author), Ist Nazl Fis Nucl INFN, Trieste, Italy.
EM paolo.milazzo@ts.infn.it
RI Gramegna, Fabiana/B-1377-2012; Becvar, Frantisek/D-3824-2012; Jericha,
Erwin/A-4094-2011; Ventura, Alberto/B-9584-2011; Rauscher,
Thomas/D-2086-2009; Lindote, Alexandre/H-4437-2013; Neves,
Francisco/H-4744-2013; Goncalves, Isabel/J-6954-2013; Vaz,
Pedro/K-2464-2013; Lopes, Isabel/A-1806-2014; Tain, Jose L./K-2492-2014;
Cano Ott, Daniel/K-4945-2014; Quesada Molina, Jose Manuel/K-5267-2014;
Guerrero, Carlos/L-3251-2014; Gonzalez Romero, Enrique/L-7561-2014;
Pretel Sanchez, Carme/L-8287-2014; Martinez, Trinitario/K-6785-2014;
Capote Noy, Roberto/M-1245-2014; Massimi, Cristian/B-2401-2015; Duran,
Ignacio/H-7254-2015; Alvarez Pol, Hector/F-1930-2011; Massimi,
Cristian/K-2008-2015; Paradela, Carlos/J-1492-2012; Calvino,
Francisco/K-5743-2014; Mengoni, Alberto/I-1497-2012
OI Gramegna, Fabiana/0000-0001-6112-0602; Jericha,
Erwin/0000-0002-8663-0526; Ventura, Alberto/0000-0001-6748-7931;
Rauscher, Thomas/0000-0002-1266-0642; Lindote,
Alexandre/0000-0002-7965-807X; Neves, Francisco/0000-0003-3635-1083;
Vaz, Pedro/0000-0002-7186-2359; Lopes, Isabel/0000-0003-0419-903X; Cano
Ott, Daniel/0000-0002-9568-7508; Quesada Molina, Jose
Manuel/0000-0002-2038-2814; Guerrero, Carlos/0000-0002-2111-546X;
Gonzalez Romero, Enrique/0000-0003-2376-8920; Martinez,
Trinitario/0000-0002-0683-5506; Capote Noy, Roberto/0000-0002-1799-3438;
Massimi, Cristian/0000-0001-9792-3722; Alvarez Pol,
Hector/0000-0001-9643-6252; Massimi, Cristian/0000-0003-2499-5586;
Calvino, Francisco/0000-0002-7198-4639; Mengoni,
Alberto/0000-0002-2537-0038
FU EC [FIKW-CT-2000-00107]
FX This work was supported by the EC under contract FIKW-CT-2000-00107 and
by the funding agencies of the participating institutes.
NR 25
TC 8
Z9 8
U1 3
U2 20
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 JAN
PY 2011
VL 47
IS 1
AR 2
DI 10.1140/epja/i2011-11002-y
PG 7
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA 737ED
UT WOS:000288550800006
ER
PT J
AU Gao, H
Gamberg, L
Chen, JP
Qian, X
Qiang, Y
Huang, M
Afanasev, A
Anselmino, M
Avakian, H
Cates, G
Chudakov, E
Cisbani, E
de Jager, C
Garibaldi, F
Hu, BT
Jiang, X
Kumar, KS
Li, XM
Lu, HJ
Meziani, ZE
Ma, BQ
Mao, YJ
Peng, JC
Prokudin, A
Schlegel, M
Souder, P
Xiao, ZG
Ye, Y
Zhu, L
AF Gao, H.
Gamberg, L.
Chen, J. -P.
Qian, X.
Qiang, Y.
Huang, M.
Afanasev, A.
Anselmino, M.
Avakian, H.
Cates, G.
Chudakov, E.
Cisbani, E.
de Jager, C.
Garibaldi, F.
Hu, B. T.
Jiang, X.
Kumar, K. S.
Li, X. M.
Lu, H. J.
Meziani, Z. -E.
Ma, B. -Q.
Mao, Y. J.
Peng, J. -C.
Prokudin, A.
Schlegel, M.
Souder, P.
Xiao, Z. G.
Ye, Y.
Zhu, L.
TI Transverse spin structure of the nucleon through target single-spin
asymmetry in semi-inclusive deep-inelastic (e, e 'pi(+/-)) reaction at
Jefferson Lab
SO EUROPEAN PHYSICAL JOURNAL PLUS
LA English
DT Article
ID FINAL-STATE INTERACTIONS; PARTON DISTRIBUTIONS; SIVERS FUNCTION;
DRELL-YAN; SHASHLYK CALORIMETER; SOFFERS INEQUALITY; SPECTATOR MODEL;
LEPTOPRODUCTION; SCATTERING; EVOLUTION
AB Jefferson Lab (JLab) 12 GeV energy upgrade provides a golden opportunity to perform precision studies of the transverse spin and transverse-momentum-dependent structure in the valence quark region for both the proton and the neutron. In this paper, we focus our discussion on a recently approved experiment on the neutron as an example of the precision studies planned at JLab. The new experiment will perform precision measurements of target Single-Spin Asymmetries (SSA) from semi-inclusive electro-production of charged pions from a 40 cm long transversely polarized He-3 target in deep-inelastic-scattering kinematics using 11 and 8.8 GeV electron beams. This new coincidence experiment in Hall A will employ a newly proposed solenoid spectrometer (SoLID). The large acceptance spectrometer and the high polarized luminosity will provide precise 4D (x, z, PT and Q(2)) data on the Collins, Sivers, and pretzelosity asymmetries for the neutron through the azimuthal angular dependence. The full 2 pi azimuthal angular coverage in the lab is essential in controlling the systematic uncertainties. The results from this experiment, when combined with the proton Collins asymmetry measurement and the Collins fragmentation function determined from the e(+)e(-) collision data, will allow for a quark flavor separation in order to achieve a determination of the tensor charge of the d quark to a 10% accuracy. The extracted Sivers and pretzelosity asymmetries will provide important information to understand the correlations between the quark orbital angular momentum and the nucleon spin and between the quark spin and nucleon spin.
C1 [Gao, H.; Huang, M.] Duke Univ, Durham, NC 27708 USA.
[Gamberg, L.] Penn State Univ Berks, Reading, PA 19610 USA.
[Chen, J. -P.; Qiang, Y.; Avakian, H.; Chudakov, E.; de Jager, C.; Prokudin, A.] Jefferson Lab, Newport News, VA 23606 USA.
[Qian, X.] CALTECH, Kellogg Radiat Lab, Pasadena, CA 91125 USA.
[Afanasev, A.] Hampton Univ, Hampton, VA 23668 USA.
[Anselmino, M.] Univ Turin, I-10125 Turin, Italy.
[Anselmino, M.] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy.
[Cates, G.] Univ Virginia, Charlottesville, VA 22901 USA.
[Cisbani, E.; Garibaldi, F.] Ist Nazl Fis Nucl, Sez Roma 3, I-00146 Rome, Italy.
[Hu, B. T.] Lanzhou Univ, Lanzhou 730000, Peoples R China.
[Jiang, X.] Los Alamos Natl Lab, Los Alamos, NM USA.
[Kumar, K. S.] Univ Massachusetts, Amherst, MA 01003 USA.
[Li, X. M.] China Inst Atom Energy, Beijing, Peoples R China.
[Lu, H. J.] Huangshan Univ, Huangshan, Peoples R China.
[Meziani, Z. -E.] Temple Univ, Philadalphia, PA 19122 USA.
[Ma, B. -Q.; Mao, Y. J.] Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
[Peng, J. -C.] Univ Illinois, Urbana, IL 61801 USA.
[Schlegel, M.] Univ Tubingen, Inst Theoret Phys, D-72076 Tubingen, Germany.
[Souder, P.] Syracuse Univ, Syracuse, NY 13244 USA.
[Xiao, Z. G.] Tsinghua Univ, Beijing 100084, Peoples R China.
[Ye, Y.] Univ Sci & Technol China, Hefei 230026, Peoples R China.
RP Gao, H (reprint author), Duke Univ, Durham, NC 27708 USA.
RI Cisbani, Evaristo/C-9249-2011; Gao, Haiyan/G-2589-2011;
OI Cisbani, Evaristo/0000-0002-6774-8473; Afanasev,
Andrei/0000-0003-0679-3307
FU US Department of Energy [DE-AC05-84ER40150, DE-FG02-03ER41231,
DE-FG02-07ER41460]
FX This work is supported in part by the US Department of Energy under
contracts, DE-AC05-84ER40150, modification No. M175, under which the
Southeastern Universities Research Association operates the Thomas
Jefferson National Accelerator Facility, DE-FG02-03ER41231 (HG), and
DE-FG02-07ER41460 (LG).
NR 89
TC 27
Z9 27
U1 0
U2 5
PU SPRINGER HEIDELBERG
PI HEIDELBERG
PA TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY
SN 2190-5444
J9 EUR PHYS J PLUS
JI Eur. Phys. J. Plus
PD JAN
PY 2011
VL 126
IS 1
AR 2
DI 10.1140/epjp/i2011-11002-4
PG 16
WC Physics, Multidisciplinary
SC Physics
GA 760EC
UT WOS:000290305900013
ER
PT J
AU Zhang, WJ
Li, FX
Tolbert, LM
AF Zhang, Wenjuan
Li, Fangxing
Tolbert, Leon M.
TI Interpolation approximation of voltage stability constrained opf
(vscopf) for reactive power planning
SO EUROPEAN TRANSACTIONS ON ELECTRICAL POWER
LA English
DT Article
DE voltage stability constrained optimal power flow (VSCOPF); reactive
power planning (RPP); total transfer capability (TTC); stability margin
(SM); interpolation
ID SYSTEM SECURITY; ALGORITHMS; MODEL; FLOW
AB Reactive power planning (RPP), or Var planning, is to identify the optimal size and location of reactive power sources. In this paper, first, the previous work using least square method to simplify the voltage stability constrained OPF (VSCOPF) model for RPP is presented. Then, this paper presents a new model simplification solution using interpolation. The interpolation approach can be easily applied to a piecewise formulation while preserving the continuity at boundary points, which cannot be easily achieved by previous works like the least square method. The proposed interpolation approach is numerically tested and compared with the least square approach. It is concluded that interpolation is an improved model simplification approach for RPP. Copyright (C) 2010 John Wiley & Sons, Ltd.
C1 [Zhang, Wenjuan; Li, Fangxing; Tolbert, Leon M.] Univ Tennessee, Dept Elect Engn & Comp Sci, Knoxville, TN 37996 USA.
[Zhang, Wenjuan] Calif Independent Syst Operator, Folsom, CA USA.
[Tolbert, Leon M.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Li, FX (reprint author), Univ Tennessee, Dept Elect Engn & Comp Sci, Knoxville, TN 37996 USA.
EM fli6@utk.edu
RI Li, Fangxing/E-6023-2013;
OI Li, Fangxing/0000-0003-1060-7618; Tolbert, Leon/0000-0002-7285-609X
FU National Science Foundation [NSF ECS-0093884]; Oak Ridge National
Laboratory [4000041689]
FX The authors would like to thank the financial support in part by the
National Science Foundation under Contract NSF ECS-0093884 and Oak Ridge
National Laboratory under Contract 4000041689.
NR 22
TC 2
Z9 2
U1 0
U2 3
PU WILEY-BLACKWELL
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1430-144X
J9 EUR T ELECTR POWER
JI Eur. Trans. Electr. Power
PD JAN
PY 2011
VL 21
IS 1
BP 155
EP 164
DI 10.1002/etep.423
PG 10
WC Engineering, Electrical & Electronic
SC Engineering
GA 731TQ
UT WOS:000288132700016
ER
PT J
AU Easterbrook, DJ
Gosse, J
Sherard, C
Evenson, E
Finkel, R
AF Easterbrook, Don J.
Gosse, John
Sherard, Cody
Evenson, Ed
Finkel, Robert
BE Easterbrook, D
TI Evidence for Synchronous Global Climatic Events: Cosmogenic Exposure
Ages of Glaciations
SO EVIDENCE-BASED CLIMATE SCIENCE: DATA OPPOSING CO2 EMISSIONS AS THE
PRIMARY SOURCE OF GLOBAL WARMING
LA English
DT Article; Book Chapter
ID YOUNGER-DRYAS-AGE; CORDILLERAN ICE-SHEET; WESTERN NORTH-AMERICA;
LOCH-LOMOND READVANCE; FRANZ-JOSEF-GLACIER; LATE PLEISTOCENE;
ALPINE-GLACIATION; CASCADE RANGE; BRITISH-COLUMBIA; LAST GLACIATION
C1 [Easterbrook, Don J.] Western Washington Univ, Dept Geol, Bellingham, WA 98225 USA.
[Gosse, John] Dalhousie Univ, Halifax, NS B3H 4R2, Canada.
[Sherard, Cody] Western Washington Univ, Dept Geol, Bellingham, WA 98225 USA.
[Evenson, Ed] Earth & Environm Sci Dept, Bethlehem, PA 18015 USA.
[Finkel, Robert] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Easterbrook, DJ (reprint author), Western Washington Univ, Dept Geol, Bellingham, WA 98225 USA.
NR 81
TC 1
Z9 1
U1 0
U2 0
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
BN 978-0-12-385957-0
PY 2011
BP 53
EP 88
DI 10.1016/B978-0-12-385956-3.10002-6
PG 36
WC Environmental Sciences; Meteorology & Atmospheric Sciences
SC Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences
GA BEQ86
UT WOS:000317759000003
ER
PT B
AU Kubarovsky, V
Bedlinsky, I
Stoler, P
AF Kubarovsky, V.
Bedlinsky, I.
Stoler, P.
BE Radyushkin, A
TI DEEPLY VIRTUAL PSEUDOSCALAR MESON PRODUCTION WITH CLAS
SO EXCLUSIVE REACTIONS AT HIGH MOMENTUM TRANSFER IV
LA English
DT Proceedings Paper
CT 4th Workshop on Exclusive Reactions at High Momentum Transfer
CY MAY 18-21, 2010
CL Thomas Jefferson Natl Accelerator Facil, Newport News, VA
HO Thomas Jefferson Natl Accelerator Facil
ID HARD EXCLUSIVE ELECTROPRODUCTION
C1 [Kubarovsky, V.] Jefferson Lab, Newport News, VA 23606 USA.
[Bedlinsky, I.] Inst Theoret & Expt Phys, Moscow, Russia.
[Stoler, P.] Rensselaer Polytech Inst, Troy, NY USA.
RP Kubarovsky, V (reprint author), Jefferson Lab, Newport News, VA 23606 USA.
EM vpk@jlab.org; stoler@rpi.edu
FU U.S. Department of Energy; National Science Foundation; United States
Department of Energy [DE-AC05-06OR23177]
FX We acknowledge the outstanding efforts of the staff of the Accelerator
and Physics Divisions at Jefferson Lab that made this experiment
possible. We also acknowledge useful discussions with H. Avakian, A.
Afanasev, M. Burkardt, V. Burkert, R. De Masi, L. Elouadrhiri, M.
Garcon, F-X Girod, M. Guidal, G. Goldstein, K. Joo, J-M. Laget, S.
Liuti, S. Niccolai, R. Niyazov, A. Radyushkin, S. Stepanyan, M.
Strikman, I. Strakovski, M, Ungaro, C. Weiss, and B. Zhao. This work was
supported by the U.S. Department of Energy and National Science
Foundation. The Jefferson Science Associates (JSA) operates the Thomas
Jefferson National Accelerator Facility for the United States Department
of Energy under contract DE-AC05-06OR23177.
NR 11
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BN 978-981-4329-55-2
PY 2011
BP 77
EP 84
PG 8
WC Physics, Particles & Fields
SC Physics
GA BG9ZX
UT WOS:000394395500009
ER
PT B
AU Park, K
AF Park, Kijun
BE Radyushkin, A
TI MEASUREMENT OF THE GENERALIZED FORM FACTORS NEAR PION THRESHOLD VIA
gamma*p -> n pi(+) IN CLAS
SO EXCLUSIVE REACTIONS AT HIGH MOMENTUM TRANSFER IV
LA English
DT Proceedings Paper
CT 4th Workshop on Exclusive Reactions at High Momentum Transfer
CY MAY 18-21, 2010
CL Thomas Jefferson Natl Accelerator Facil, Newport News, VA
HO Thomas Jefferson Natl Accelerator Facil
DE CLAS; Threshold Pion; S-wave; Generalized Form Factors; Differential
Cross Section
ID ELECTROPRODUCTION
AB We extracted the multipoles near pion threshold for the first time at high momentum transfers (Q(2)) in the n pi(+) final state channel. The dominance of the S-wave transverse multipole (E0+) is expected in this region, which allows us to access the new generalized form factors G(1), G(2) within the Light-Cone-Sum-Rule (LCSR) framework. In this analysis, we used one of the recent CLAS experimental data sets which utilized the high-energy polarized electron beam on unpolarized proton target using the 4 pi detector coverage. We measured the differential cross sections and extracted the multipoles using two methods, LCSR and multipole fit. Both methods show consistent results, which are almost Q(2) independent.
C1 [Park, Kijun] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
RP Park, K (reprint author), Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
EM parkkj@jlab.org
NR 15
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BN 978-981-4329-55-2
PY 2011
BP 157
EP 165
PG 9
WC Physics, Particles & Fields
SC Physics
GA BG9ZX
UT WOS:000394395500018
ER
PT B
AU Brodsky, SJ
De Teramond, GF
Deur, A
AF Brodsky, Stanley J.
De Teramond, Guy F.
Deur, Alexandre
BE Radyushkin, A
TI THE ADS/QCD CORRESPONDENCE AND EXCLUSIVE PROCESSES
SO EXCLUSIVE REACTIONS AT HIGH MOMENTUM TRANSFER IV
LA English
DT Proceedings Paper
CT 4th Workshop on Exclusive Reactions at High Momentum Transfer
CY MAY 18-21, 2010
CL Thomas Jefferson Natl Accelerator Facil, Newport News, VA
HO Thomas Jefferson Natl Accelerator Facil
ID WAVE-FUNCTION REPRESENTATION; DEEP-INELASTIC SCATTERING; STRONG-COUPLING
CONSTANT; LANDAU GAUGE QCD; QUANTUM CHROMODYNAMICS; FORM-FACTORS;
COLOR-TRANSPARENCY; MOMENTUM-TRANSFER; PARTON DISTRIBUTIONS;
ELASTIC-SCATTERING
AB The AdS/CFT correspondence between theories in AdS space and conformal field theories in physical space-time provides an analytic, semi-classical, color confining model for strongly-coupled QCD. The soft-wall AdS/QCD model, modified by a positive-sign dilaton metric, leads to a remarkable one-parameter description of nonperturbative hadron dynamics at zero quark mass, including a zero-mass pion and meson and baryon Regge spectra of linear trajectories with the same slope in orbital angular momentum L and radial quantum number n. One also predicts the form of the non-perturbative effective coupling alpha(AdS)(s) (Q) and its beta-function which agrees with the effective coupling alpha(g1) extracted from the Bjorken sum rule. Light-front holography, which connects the fifth-dimensional coordinate of AdS space z to an invariant impact separation variable zeta, allows one to compute the analytic form of the frame-independent light-front wavefunctions, the fundamental entities which encode hadron properties as well as decay constants, form factors, deeply-virtual Compton scattering, exclusive heavy hadron decays, and other exclusive scattering amplitudes. One thus obtains a relativistic description of hadrons in QCD at the amplitude level with dimensional counting for exclusive reactions at high momentum transfer. As specific examples, we discuss the behavior of the pion and nucleon form factors in the space-like and time-like regions. We also review the phenomenology of exclusive processes including some anomalous empirical results.
C1 [Brodsky, Stanley J.] Stanford Univ, Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA.
[Brodsky, Stanley J.] Southern Denmark Univ, Origins CP3, Odense, Denmark.
[De Teramond, Guy F.] Univ Costa Rica, San Jose, Costa Rica.
[Deur, Alexandre] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
RP Brodsky, SJ (reprint author), Stanford Univ, Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA.
EM sjbth@slac.stanford.edu; gdt@asterix.crnet.cr; deurpam@jlab.org
FU Department of Energy [DE-AC02-76SF00515, DE-AC05-84ER40150]
FX We thank Volker Burkert, John Cornwall, Sadataka Furui, Philipp Hagler,
Wolfgang Korsch, G. Peter Lepage, Takemichi Okui, Joannis Papavassiliou,
Anatoly Radyushkin, Craig Roberts, Robert Shrock, and Peter Tandy for
helpful comments. This research was supported by the Department of
Energy contracts DE-AC02-76SF00515 and DE-AC05-84ER40150. Invited talk,
presented by SJB at the Workshop on Exclusive Reactions at High Momentum
Transfer (IV), May 18-21, 2010, Thomas Jefferson National Accelerator
Facility, Newport News, VA. SLAC-PUB-14208, CP3-Origins-2010-3, and
Jlab-PHY-10-1135.
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BN 978-981-4329-55-2
PY 2011
BP 175
EP 200
PG 26
WC Physics, Particles & Fields
SC Physics
GA BG9ZX
UT WOS:000394395500020
ER
PT B
AU Roberts, HLL
Chang, L
Cloet, IC
Roberts, CD
AF Roberts, H. L. L.
Chang, L.
Cloet, I. C.
Roberts, C. D.
BE Radyushkin, A
TI EXPOSING THE DRESSED QUARK'S MASS
SO EXCLUSIVE REACTIONS AT HIGH MOMENTUM TRANSFER IV
LA English
DT Proceedings Paper
CT 4th Workshop on Exclusive Reactions at High Momentum Transfer
CY MAY 18-21, 2010
CL Thomas Jefferson Natl Accelerator Facil, Newport News, VA
HO Thomas Jefferson Natl Accelerator Facil
DE Confinement; dynamical chiral symmetry breaking; Dyson-Schwinger
equations; light-front methods; hadron form factors; hadron spectrum
ID PION FORM-FACTOR; QCD; EQUATIONS; NEUTRON; PHYSICS; THEOREM; DYSON;
MODEL
AB This snapshot of recent progress in hadron physics made in connection with QCD's Dyson-Schwinger equations includes: a perspective on confinement and dynamical chiral symmetry breaking (DCSB); a precis on the physics of in-hadron condensates; results on the hadron spectrum, including dressed-quark core masses for the nucleon and Delta, their first radial excitations, and the parity partners of these states; an illustration of the impact of DCSB on the electromagnetic pion form factor, thereby exemplifying how data can be used to chart the momentum-dependence of the dressed-quark mass function; and a prediction that F-1(p,d)/F-1(p,u) passes through zero at Q(2) approximate to 5m(N)(2) owing to the presence of nonpointlike scalar and axial-vector diquark correlations in the nucleon.
C1 [Roberts, H. L. L.; Roberts, C. D.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
[Roberts, H. L. L.; Roberts, C. D.] Forschungszentrum Julich, Inst Kernphys, D-52425 Julich, Germany.
[Chang, L.] Inst Appl Phys & Computat Math, Beijing 100094, Peoples R China.
[Cloet, I. C.] Univ Washington, Dept Phys, Seattle, WA 98195 USA.
[Roberts, C. D.] Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
RP Roberts, HLL (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
EM cdroberts@anl.gov
FU Forschungszentrum Julich GmbH; National Natural Science Foundation of
China [10705002]; U.S. Department of Energy, Office of Nuclear Physics
[DE-AC02-06CH11357, DE-FG03-97ER4014]; Department of Energy's Science
Undergraduate Laboratory Internship programme
FX We acknowledge valuable discussions with C. Hanhart, T.-S.H. Lee, V.
Mokeev, S. Riordan, S. M. Schmidt, P. C. Tandy and B. Wojtsekhowski.
This work was supported by: Forschungszentrum Julich GmbH (HLLR, CDR);
the National Natural Science Foundation of China, contract no. 10705002
(LC); the U.S. Department of Energy, Office of Nuclear Physics, contract
nos. DE-AC02-06CH11357 (HLLR, CDR) and DE-FG03-97ER4014 (ICC); and the
Department of Energy's Science Undergraduate Laboratory Internship
programme (HLLR).
NR 47
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BN 978-981-4329-55-2
PY 2011
BP 201
EP 211
PG 11
WC Physics, Particles & Fields
SC Physics
GA BG9ZX
UT WOS:000394395500021
ER
PT B
AU Puckett, AJR
AF Puckett, A. J. R.
CA GEp-III Collaboration
BE Radyushkin, A
TI FINAL RESULTS OF THE GEp-III EXPERIMENT AND THE STATUS OF THE PROTON
FORM FACTORS
SO EXCLUSIVE REACTIONS AT HIGH MOMENTUM TRANSFER IV
LA English
DT Proceedings Paper
CT 4th Workshop on Exclusive Reactions at High Momentum Transfer
CY MAY 18-21, 2010
CL Thomas Jefferson Natl Accelerator Facil, Newport News, VA
HO Thomas Jefferson Natl Accelerator Facil
DE Proton Form Factors; Recoil Polarization Method
ID LARGE-MOMENTUM-TRANSFER; SQUARED 4-MOMENTUM TRANSFERS; POLARIZATION
TRANSFER; ELASTIC-SCATTERING; ELECTRON-SCATTERING
AB The recently published final results of experiment E04-108 in Jefferson Lab Hall C extend the recoil polarization measurements of the ratio of the proton electric and magnetic form factors to Q(2) = 8.5 GeV2, an increase in Q(2) coverage of more than 50%. A global fit of G(E)(p) and G(M)(p) to selected data for electron-proton elastic scattering cross sections and polarization observables is presented, illustrating the statistical impact of the new results.
C1 [Puckett, A. J. R.] Los Alamos Natl Lab, Los Alamos, NM 87544 USA.
[GEp-III Collaboration] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
RP Puckett, AJR (reprint author), Los Alamos Natl Lab, Los Alamos, NM 87544 USA.
EM puckett@jlab.org
NR 32
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BN 978-981-4329-55-2
PY 2011
BP 222
EP 229
PG 8
WC Physics, Particles & Fields
SC Physics
GA BG9ZX
UT WOS:000394395500023
ER
PT B
AU Khandaker, M
AF Khandaker, M.
CA JLab Hall EMFF Collaboration
BE Radyushkin, A
TI PROTON FORM FACTOR RATIO MEASUREMENTS AT HIGH Q(2) WITH SUPER BIGBITE
SO EXCLUSIVE REACTIONS AT HIGH MOMENTUM TRANSFER IV
LA English
DT Proceedings Paper
CT 4th Workshop on Exclusive Reactions at High Momentum Transfer
CY MAY 18-21, 2010
CL Thomas Jefferson Natl Accelerator Facil, Newport News, VA
HO Thomas Jefferson Natl Accelerator Facil
ID POLARIZATION TRANSFER; SCATTERING
AB A proposed measurement of the proton electromagnetic form factor ratio, mu(p)G(E)(p)/G(M)(p) using the Super Bigbite apparatus is presented. The proposed instrumentation will allow measurements of three nucleon electromagnetic form factors G(E)(p), G(E)(n), and G(M)(n) with unprecedented precision to Q(2)-values up to three times higher than existing data.
C1 [Khandaker, M.] Norfolk State Univ, Norfolk, VA 23504 USA.
Jefferson Lab, Newport News, VA 23606 USA.
RP Khandaker, M (reprint author), Norfolk State Univ, Norfolk, VA 23504 USA.
EM mahbub@jlab.org
FU DOE under Jefferson Science Associates, LLC [DE-AC05-06OR23177]
FX This work is supported by DOE contract DE-AC05-06OR23177, under which
Jefferson Science Associates, LLC, operates the Thomas Jefferson
National Accelerator Facility.
NR 21
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BN 978-981-4329-55-2
PY 2011
BP 249
EP 257
PG 9
WC Physics, Particles & Fields
SC Physics
GA BG9ZX
UT WOS:000394395500026
ER
PT B
AU Rioirdan, S
Cates, GD
Wojtsekhowski, B
AF Rioirdan, S.
Cates, G. D.
Wojtsekhowski, B.
BE Radyushkin, A
TI THE ELECTRIC AND MAGNETIC FORM FACTORS OF THE NEUTRON WITH SUPER BIGBITE
SO EXCLUSIVE REACTIONS AT HIGH MOMENTUM TRANSFER IV
LA English
DT Proceedings Paper
CT 4th Workshop on Exclusive Reactions at High Momentum Transfer
CY MAY 18-21, 2010
CL Thomas Jefferson Natl Accelerator Facil, Newport News, VA
HO Thomas Jefferson Natl Accelerator Facil
DE Neutron; Form factors; Electric form factor; Sachs form factors
AB Electromagnetic form factors provide experimental access to information about the underlying quark charge and magnetic moment distributions of the nucleon. By performing measurements of these form factors and comparing them to theories containing important aspects of QCD, we gain insight into the generation nucleon structure. Measurements of the form factors of the neutron are generally over a smaller range of Q(2) compared to that of the proton, but are are equally as important to complete our picture of the nucleon. Presented are two approved experiments using the proposed Super Bigbite spectrometer which will extend these measurements to a range of Q(2) comparable to that of the present proton form factors as well as with comparable precision.
C1 [Rioirdan, S.; Cates, G. D.] Univ Virginia, Dept Phys, Charlottesville, VA 22904 USA.
[Wojtsekhowski, B.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
RP Rioirdan, S (reprint author), Univ Virginia, Dept Phys, Charlottesville, VA 22904 USA.
EM spr4y@virginia.edu; bogdanw@jlab.org
NR 13
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BN 978-981-4329-55-2
PY 2011
BP 258
EP 265
PG 8
WC Physics, Particles & Fields
SC Physics
GA BG9ZX
UT WOS:000394395500027
ER
PT B
AU Ungaro, M
AF Ungaro, M.
BE Radyushkin, A
TI CLAS DATA AND PROGRESS IN THE INVESTIGATION OF ELECTRO-EXCITATION OF
NUCLEON RESONANCES
SO EXCLUSIVE REACTIONS AT HIGH MOMENTUM TRANSFER IV
LA English
DT Proceedings Paper
CT 4th Workshop on Exclusive Reactions at High Momentum Transfer
CY MAY 18-21, 2010
CL Thomas Jefferson Natl Accelerator Facil, Newport News, VA
HO Thomas Jefferson Natl Accelerator Facil
DE CLAS; barion resonances; transition form factors
ID DYSON-SCHWINGER EQUATIONS; CONSTITUENT-QUARK-MODEL; TRANSITION
FORM-FACTORS; HADRON PHYSICS; QCD; ELECTROPRODUCTION
AB We present an overview of selected CLAS nucleon excitations results: electroproduction of single pion from the Delta(1232), Roper, D-13(1520) resonances and electro-production of double pion N pi(+)pi(-). These and other CLAS measurements, coupled with recent theoretical developments, will allow non-perturbative approaches to shed lights on the role of quarks and gluons in nuclei and address issues such as confinement and the non-zero quark mass in the chiral limit.
C1 [Ungaro, M.] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA.
[Ungaro, M.] Jefferson Lab, Newport News, VA 23606 USA.
RP Ungaro, M (reprint author), Univ Connecticut, Dept Phys, Storrs, CT 06269 USA.
EM ungaro@jlab.org
NR 35
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PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4329-55-2
PY 2011
BP 275
EP 286
PG 12
WC Physics, Particles & Fields
SC Physics
GA BG9ZX
UT WOS:000394395500029
ER
PT B
AU Ramalho, G
Gross, F
Pena, MT
Tsushima, K
AF Ramalho, G.
Gross, F.
Pena, M. T.
Tsushima, K.
BE Radyushkin, A
TI A COVARIANT FORMALISM FOR THE N* ELECTROPRODUCTION AT HIGH MOMENTUM
TRANSFER
SO EXCLUSIVE REACTIONS AT HIGH MOMENTUM TRANSFER IV
LA English
DT Proceedings Paper
CT 4th Workshop on Exclusive Reactions at High Momentum Transfer
CY MAY 18-21, 2010
CL Thomas Jefferson Natl Accelerator Facil, Newport News, VA
HO Thomas Jefferson Natl Accelerator Facil
DE Covariant quark model; Nucleon resonances; Meson cloud
ID NUCLEON; DELTA; MODEL
AB A constituent quark model based on the spectator formalism is applied to the gamma N -> N* transition for the three cases, where N* is the nucleon, the Delta and the Roper resonance. The model is covariant, and therefore can be used for the predictions at higher four-momentum transfer squared, Q(2). The baryons are described as an off-mass-shell quark and a spectator on-mass-shell diquark systems. The quark electromagnetic current is described by quark form factors, which have a form inspired by the vector meson dominance. The valence quark contributions of the model are calibrated by lattice QCD simulations and experimental data. Contributions of the meson cloud to the inelastic processes are explicitly included.
C1 [Ramalho, G.; Pena, M. T.] Ctr Fis Teor Particulas, Av Rovisco Pais, P-1049001 Lisbon, Portugal.
[Gross, F.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
[Gross, F.] Coll William & Mary, Williamsburg, VA 23185 USA.
[Pena, M. T.] Inst Super Tecn, Dept Fis, P-1049001 Lisbon, Portugal.
[Tsushima, K.] Thomas Jefferson Natl Accelerator Facil, EBAC Theory Ctr, Newport News, VA 23606 USA.
RP Ramalho, G (reprint author), Ctr Fis Teor Particulas, Av Rovisco Pais, P-1049001 Lisbon, Portugal.
EM gilberto.ramalho@cftp.ist.utl.pt
FU Portuguese Fundacao para a Ciencia e Tecnologia (FCT)
[SFRH/BPD/26886/2006]
FX G. R. would like to thank Viktor Mokeev for the invitation to the
workshop. G. R. was supported by the Portuguese Fundacao para a Ciencia
e Tecnologia (FCT) under the grant SFRH/BPD/26886/2006.
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BN 978-981-4329-55-2
PY 2011
BP 287
EP 294
PG 8
WC Physics, Particles & Fields
SC Physics
GA BG9ZX
UT WOS:000394395500030
ER
PT B
AU Prokudin, A
AF Prokudin, A.
BE Radyushkin, A
TI TRANSVERSE MOMENTUM DEPENDENT DISTRIBUTIONS IN HARD SCATTERING
SO EXCLUSIVE REACTIONS AT HIGH MOMENTUM TRANSFER IV
LA English
DT Proceedings Paper
CT 4th Workshop on Exclusive Reactions at High Momentum Transfer
CY MAY 18-21, 2010
CL Thomas Jefferson Natl Accelerator Facil, Newport News, VA
HO Thomas Jefferson Natl Accelerator Facil
ID INELASTIC-SCATTERING; SPIN ASYMMETRIES; SINGLE-SPIN; NUCLEON; MODEL
AB Transverse Momentum Dependent Distributions (TMDs) describe the spin structure of the proton. At leading twist spin structure of spin-1/2 hadron can be described by 8 TMDs. TMDs reveal three-dimensional distribution of partons inside polarised nucleon. Experimentally these functions can be studied in polarised experiments using Spin Asymmetries in particular Single Spin Asymmetries (SSAs). We discuss transversity that measures distribution of transversely polarised quarks in a transversely polarised nucleon and Sivers distribution function that describes distribution of unpolarised quarks in a transversely polarised nucleon.
C1 [Prokudin, A.] Jefferson Lab, 12000 Jefferson Ave, Newport News, VA 23606 USA.
RP Prokudin, A (reprint author), Jefferson Lab, 12000 Jefferson Ave, Newport News, VA 23606 USA.
EM prokudin@jlab.org
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BN 978-981-4329-55-2
PY 2011
BP 295
EP 302
PG 8
WC Physics, Particles & Fields
SC Physics
GA BG9ZX
UT WOS:000394395500031
ER
PT B
AU Bland, LC
AF Bland, L. C.
BE Radyushkin, A
TI STUDIES OF TRANSVERSE MOMENTUM DEPENDENCE IN PP SCATTERING
SO EXCLUSIVE REACTIONS AT HIGH MOMENTUM TRANSFER IV
LA English
DT Proceedings Paper
CT 4th Workshop on Exclusive Reactions at High Momentum Transfer
CY MAY 18-21, 2010
CL Thomas Jefferson Natl Accelerator Facil, Newport News, VA
HO Thomas Jefferson Natl Accelerator Facil
ID DEEP-INELASTIC SCATTERING; DRELL-YAN; ELASTIC-SCATTERING; SPIN
ASYMMETRIES; BOSON PRODUCTION; ANALYZING POWER; DISTRIBUTIONS; REGION
AB The Relativistic Heavy Ion Collider at Brookhaven National Laboratory is the first and only polarized collider in the world. Measurements with polarized proton collisions that are sensitive to gluon polarization find small values. Measurements of transverse single spin asymmetries find large values. Present understanding is that these spin effects are from spin-correlated transverse momentum dependence in distribution and fragmentation functions. A summary of existing measurements, and plans for the future are presented.
C1 [Bland, L. C.] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Bland, LC (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
EM bland@bnl.xxx
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BN 978-981-4329-55-2
PY 2011
BP 321
EP 329
PG 9
WC Physics, Particles & Fields
SC Physics
GA BG9ZX
UT WOS:000394395500034
ER
PT B
AU Musch, BU
Hagler, P
Negele, JW
Schafer, A
AF Musch, B. U.
Haegler, Ph.
Negele, J. W.
Schaefer, A.
BE Radyushkin, A
TI TRANSVERSE MOMENTUM DEPENDENT QUARK DENSITIES FROM LATTICE QCD
SO EXCLUSIVE REACTIONS AT HIGH MOMENTUM TRANSFER IV
LA English
DT Proceedings Paper
CT 4th Workshop on Exclusive Reactions at High Momentum Transfer
CY MAY 18-21, 2010
CL Thomas Jefferson Natl Accelerator Facil, Newport News, VA
HO Thomas Jefferson Natl Accelerator Facil
DE transverse momentum; parton distribution functions; lattice; QCD
ID RENORMALIZATION; HADRON; LEPTOPRODUCTION; OPERATORS
AB We study transverse momentum dependent parton distribution functions (TMDs) with non-local operators in lattice QCD, using MILC/LHPC lattices. Results obtained with a simplified operator geometry show visible dipole deformations of spin-dependent quark momentum densities. We discuss the basic concepts of the method, including renormalization of the gauge link, and an extension to a more elaborate operator geometry that would allow us to analyze process-dependent TMDs such as the Sivers-function.
C1 [Musch, B. U.] Jefferson Lab, Ctr Theory, 12000 Jefferson Ave, Newport News, VA 23606 USA.
[Haegler, Ph.] Tech Univ Munich, Theoret Phys T39, D-85747 Garching, Germany.
[Negele, J. W.] MIT, Ctr Theoret Phys, Cambridge, MA 02139 USA.
[Schaefer, A.] Univ Regensburg, Inst Theoret Phys, D-93040 Regensburg, Germany.
RP Musch, BU (reprint author), Jefferson Lab, Ctr Theory, 12000 Jefferson Ave, Newport News, VA 23606 USA.
EM bmusch@jlab.org; phaegler@ph.tum.de
FU Emmy-Noether program of the DFG [SFB/TRR-55]; cluster of excellence
"Origin and Structure of the Universe" of the DFG [SFB/TRR-55]; US
Department of Energy [DE-FG02-94ER40818]; U.S. DOE [DE-AC05-06OR23177];
U.S. Government
FX We are very grateful to the LHP and MILC collaborations, for providing
us gauge configurations and propagators. We thank Vladimir Braun,
Meinulf Gockeler, Gunnar Bali, Markus Diehl, Alexei Bazavov, and Dru
Renner for very helpful discussions. Our software uses the
Chroma-library [27], and we use USQCD computing resources at Jefferson
Lab. We acknowledge support by the Emmy-Noether program and the cluster
of excellence "Origin and Structure of the Universe" of the DFG (Ph.H.
and B.M.), SFB/TRR-55 (A.S.) and the US Department of Energy grant
DE-FG02-94ER40818 (J.N.). Authored by Jefferson Science Associates, LLC
under U.S. DOE Contract No. DE-AC05-06OR23177. The U.S. Government
retains a nonexclusive, paid-up, irrevocable, world-wide license to
publish or reproduce this manuscript for U.S. Government purposes.
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PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4329-55-2
PY 2011
BP 339
EP 346
PG 8
WC Physics, Particles & Fields
SC Physics
GA BG9ZX
UT WOS:000394395500036
ER
PT B
AU Avakian, H
Efremov, AV
Schweitzer, P
Teryaev, OV
Zavada, P
AF Avakian, H.
Efremov, A. V.
Schweitzer, P.
Teryaev, O. V.
Zavada, P.
BE Radyushkin, A
TI QUARK ORBITAL ANGULAR MOMENTUM: CAN WE LEARN ABOUT IT FROM GPDs AND
TMDs?
SO EXCLUSIVE REACTIONS AT HIGH MOMENTUM TRANSFER IV
LA English
DT Proceedings Paper
CT 4th Workshop on Exclusive Reactions at High Momentum Transfer
CY MAY 18-21, 2010
CL Thomas Jefferson Natl Accelerator Facil, Newport News, VA
HO Thomas Jefferson Natl Accelerator Facil
DE nucleon spin structure; quark models; orbital angular momentum
ID GENERALIZED PARTON DISTRIBUTIONS; FINAL-STATE INTERACTIONS;
DEEP-INELASTIC SCATTERING; SINGLE-SPIN ASYMMETRIES; TRANSVERSE-MOMENTUM;
DRELL-YAN; FRAGMENTATION FUNCTIONS; GAUGE; NUCLEON; QCD
AB It is known how to access information on quark orbital angular momentum from generalized parton distribution functions, in a certain specified framework. It is intuitively expected, that such information can be accessed also through transverse momentum dependent distribution functions, but not known how. Now quark models provide promising hints. Recent results are reviewed.
C1 [Avakian, H.] Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
[Efremov, A. V.; Teryaev, O. V.] JINR, Bogoliubov Lab Theoret Phys, Dubna 141980, Russia.
[Schweitzer, P.] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA.
[Zavada, P.] Acad Sci Czech Republic, Inst Phys, CZ-18221 Prague 8, Czech Republic.
RP Avakian, H (reprint author), Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
EM avakian@jlab.org; peter.schweitzer@phys.uconn.xxx
FU RF MSE [RNP.2.2.2.2.6546]; Heisenberg-Landau Program of JINR; Academy of
Sciences of the Czech Republic [AV0Z10100502]; DOE under Jefferson
Science Associates, LLC [DE-AC05-06OR23177]; [RFBR 09-02-01149];
[07-02-91557]
FX P. S. is grateful to the organizers of the "4th Workshop on Exclusive
Reactions at High Momentum Transfer," 18-21 May 2010, Jefferson Lab,
where this work was reported. A. E. and O. T. are supported by the
Grants RFBR 09-02-01149 and 07-02-91557, RF MSE RNP.2.2.2.2.6546 (MIREA)
and by the Heisenberg-Landau Program of JINR. P. Z. is supported by the
project AV0Z10100502 of the Academy of Sciences of the Czech Republic.
The work was supported in part by DOE contract DE-AC05-06OR23177, under
which Jefferson Science Associates, LLC, operates the Jefferson Lab.
NR 58
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U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4329-55-2
PY 2011
BP 355
EP 362
PG 8
WC Physics, Particles & Fields
SC Physics
GA BG9ZX
UT WOS:000394395500038
ER
PT B
AU Guzey, V
AF Guzey, V.
BE Radyushkin, A
TI NUCLEAR GENERALIZED PARTON DISTRIBUTIONS AND COHERENT NUCLEAR PROCESSES
SO EXCLUSIVE REACTIONS AT HIGH MOMENTUM TRANSFER IV
LA English
DT Proceedings Paper
CT 4th Workshop on Exclusive Reactions at High Momentum Transfer
CY MAY 18-21, 2010
CL Thomas Jefferson Natl Accelerator Facil, Newport News, VA
HO Thomas Jefferson Natl Accelerator Facil
DE Nuclear generalized parton distributions; coherent nuclear processes
AB We discuss nuclear generalized parton distributions that can be accessed in coherent hard exclusive processes with nuclei. We consider two examples of kinematics and relevant nuclear effects: medium values of Bjorken x(B), x(B) > 0.05, and the interplay of the coherent and incoherent nuclear deeply virtual Compton scattering (DVCS), and small values of x(B), x(B) < 0.05, where the leading twist nuclear shadowing significantly suppresses nuclear GPDs, which leads to clear experimental signals.
C1 [Guzey, V.] Thomas Jefferson Natl Accelerator Facil, 12000 Jefferson Ave, Newport News, VA 23606 USA.
RP Guzey, V (reprint author), Thomas Jefferson Natl Accelerator Facil, 12000 Jefferson Ave, Newport News, VA 23606 USA.
EM vguzey@jlab.org
NR 11
TC 0
Z9 0
U1 0
U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4329-55-2
PY 2011
BP 407
EP 414
PG 8
WC Physics, Particles & Fields
SC Physics
GA BG9ZX
UT WOS:000394395500044
ER
PT J
AU Wong, SE
Lightstone, FC
AF Wong, Sergio E.
Lightstone, Felice C.
TI Accounting for water molecules in drug design
SO EXPERT OPINION ON DRUG DISCOVERY
LA English
DT Review
DE computation; docking; drug design; hit identification; lead
identification; lead optimization; water
ID PROTEIN-LIGAND COMPLEXES; FREE-ENERGY CALCULATIONS; INHOMOGENEOUS FLUID
APPROACH; POISSON-BOLTZMANN EQUATION; BINDING-SITES; BOUND WATER;
DOCKING LIGANDS; LIQUID WATER; SOLVATION THERMODYNAMICS; POTENTIAL
FUNCTIONS
AB Importance of the field: Water molecules often appear around ligands in protein crystal structures. Reliable prediction of the effects of water on ligand binding remains a challenge. Solvation effects are crucial for lead optimization where a 100-fold difference in binding affinity is significant but correspond to only similar to 3 kcal/mol in binding free energy. Well-known examples, such as nonpeptidic urea inhibitors of HIV protease, prove that careful examination of water molecules and their energetics can contribute significantly to a successful drug design campaign.
Areas covered in this review: In this review, we examine methods to account for the effect of water in ligand binding at two stages of drug discovery: lead identification via docking calculations and lead optimization. We provide a survey of the models and techniques available to account for water in drug design.
What the reader will gain: The reader will become aware of common practices and pitfalls in dealing with water molecules in structure-based drug design.
Take home message: Although solvation effects are not fully understood, some pragmatic recommendations at the end of the article provide guidance for modelers in this area as well as new practitioners.
C1 [Wong, Sergio E.; Lightstone, Felice C.] Lawrence Livermore Natl Lab, Biosci & Biotechnol Div, Livermore, CA 94550 USA.
RP Wong, SE (reprint author), Lawrence Livermore Natl Lab, Biosci & Biotechnol Div, 7000 East Ave, Livermore, CA 94550 USA.
EM wong105@llnl.gov
FU US Department of Energy, Office of Science, Offices of Advanced
Scientific Computing Research, and Biological & Environmental Research
through the U.C. Merced Center for Computational Biology
[DE-FG02-04ER25625]; US Department of Energy by Lawrence Livermore
National Laboratory [AC52-07NA27344]
FX This work was funded by the US Department of Energy, Office of Science,
Offices of Advanced Scientific Computing Research, and Biological &
Environmental Research through the U.C. Merced Center for Computational
Biology # DE-FG02-04ER25625.; This work was performed under the auspices
of the US Department of Energy by Lawrence Livermore National Laboratory
under Contract DE-AC52-07NA27344. Release number LLNL-JRNL-450501.
NR 92
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Z9 39
U1 2
U2 25
PU INFORMA HEALTHCARE
PI LONDON
PA TELEPHONE HOUSE, 69-77 PAUL STREET, LONDON EC2A 4LQ, ENGLAND
SN 1746-0441
J9 EXPERT OPIN DRUG DIS
JI Expert. Opin. Drug Discov.
PD JAN
PY 2011
VL 6
IS 1
BP 65
EP 74
DI 10.1517/17460441.2011.534452
PG 10
WC Pharmacology & Pharmacy
SC Pharmacology & Pharmacy
GA 697XG
UT WOS:000285552500006
PM 22646827
ER
PT S
AU George, SA
Chen, RJ
Baclea-an, LM
Naulleau, PP
AF George, Simi A.
Chen, Robert J.
Baclea-an, Lorie-Mae
Naulleau, Patrick P.
BE LaFontaine, BM
Naulleau, PP
TI 22X mask cleaning effects on EUV lithography process and lifetime
SO EXTREME ULTRAVIOLET (EUV) LITHOGRAPHY II
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Extreme Ultraviolet (EUV) Lithography II
CY FEB 28-MAR 03, 2011
CL San Jose, CA
SP SPIE, Cymer, Inc
DE EUVL; mask; chemical cleaning; process performance
AB For this paper, we evaluated the impact of repetitive cleans on a photomask that was fabricated and patterned for extreme ultraviolet lithography exposure. The lithographic performance of the cleaned mask, in terms of process window and line edge roughness, was monitored with the SEMATECH Berkeley micro-exposure tool (MET). Each process measurement of the cleaned mask was compared to a reference mask with the same mask architecture. Both masks were imaged on the same day in order to eliminate any process-related measurement uncertainties. The cleaned mask was periodically monitored with atomic force microscopy (AFM) measurements and pattern widths were monitored using scanning electron microscopy (SEM). In addition, reflectivity changes were also tracked with the aid of witness plate measurements. At the conclusion of this study, the mask under evaluation was cleaned 22 times; with none of the evaluation techniques showing any significant degradation in performance.
C1 [George, Simi A.; Baclea-an, Lorie-Mae; Naulleau, Patrick P.] Lawrence Berkeley Natl Lab, Ctr Xray Opt, Berkeley, CA 94720 USA.
RP George, SA (reprint author), SCHOTT N Amer, Duryea, PA 18642 USA.
EM simi.george@us.schott.com; robert.j.chen@intel.com; pnaulleau@lbl.gov
NR 5
TC 2
Z9 2
U1 0
U2 0
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-528-1
J9 PROC SPIE
PY 2011
VL 7969
AR 79691W
DI 10.1117/12.881525
PG 7
WC Optics
SC Optics
GA BWM07
UT WOS:000294218000064
ER
PT S
AU Goldberg, KA
Mochi, I
Rekawa, SB
Smith, NS
Macdougall, JB
Naulleau, PP
AF Goldberg, Kenneth A.
Mochi, Iacopo
Rekawa, Senajith B.
Smith, Nathan S.
Macdougall, James B.
Naulleau, Patrick P.
BE LaFontaine, BM
Naulleau, PP
TI An EUV Fresnel zoneplate mask-imaging microscope for lithography
generations reaching 8 nm
SO EXTREME ULTRAVIOLET (EUV) LITHOGRAPHY II
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Extreme Ultraviolet (EUV) Lithography II
CY FEB 28-MAR 03, 2011
CL San Jose, CA
SP SPIE, Cymer, Inc
DE extreme ultraviolet lithography; EUV; microscope; actinic; mask;
reticle; imaging; zoneplate
ID EXTREME-ULTRAVIOLET LITHOGRAPHY; CUSTOM-COHERENCE ILLUMINATOR
AB We present the potential optical performance capabilities of a next-generation extreme ultraviolet (EUV) mask-imaging microscope, based on the proven optical principle of the SEMATECH Berkeley Actinic Inspection Tool (AIT), but surpassing it in every performance metric. The new synchrotron-based tool, referred to here as the SEMATECH Berkeley Actinic Imaging Tool at 0.5 NA (AIT5) will enable research on multiple generations of EUV lithography design rules. The proposed microscope features an array of user-selectable Fresnel zoneplate lenses with diffraction-limited quality and different optical properties, such as numerical aperture (NA) and magnification. An efficient all-EUV optical system with variable high magnification and direct EUV detection provides images with the highest possible signal-to-noise ratio. A lossless, customizable-coherence illuminator based on angle-scanning mirrors and an ellipsoidal condenser creates arbitrary pupil fill patterns, with partial coherence sigma values up to 1.0 at 0.5 4xNA and higher. In combination with rotated zoneplate objective lenses, the illuminator will be capable of a range of discrete azimuthal angles as well, modeling the behavior of EUV steppers across a ring-field of view.
C1 [Goldberg, Kenneth A.; Mochi, Iacopo; Rekawa, Senajith B.; Smith, Nathan S.; Macdougall, James B.; Naulleau, Patrick P.] Univ Calif Berkeley, Lawrence Berkeley Lab, Ctr Xray Opt, Berkeley, CA 94720 USA.
RP Goldberg, KA (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Ctr Xray Opt, Berkeley, CA 94720 USA.
EM KAGoldberg@lbl.gov
NR 23
TC 6
Z9 6
U1 0
U2 4
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-528-1
J9 PROC SPIE
PY 2011
VL 7969
AR 796910
DI 10.1117/12.881651
PG 12
WC Optics
SC Optics
GA BWM07
UT WOS:000294218000034
ER
PT J
AU Wittstock, A
Wichmann, A
Biener, J
Baumer, M
AF Wittstock, Arne
Wichmann, Andre
Biener, Juergen
Baeumer, Marcus
TI Nanoporous gold: a new gold catalyst with tunable properties
SO FARADAY DISCUSSIONS
LA English
DT Article
ID THERMAL-DESORPTION MEASUREMENTS; ATOMIC LAYER DEPOSITION;
OXYGEN-CHEMISORPTION; PRASEODYMIUM OXIDE; SURFACE-CHEMISTRY;
CARBON-MONOXIDE; LOW-TEMPERATURE; CO OXIDATION; METHANOL; ADSORPTION
AB Nanoporous gold (np-Au) represents a novel nanostructured bulk material with very interesting perspectives in heterogeneous catalysis. Its monolithic porous structure and the absence of a support or other stabilizing agents opens up unprecedented possibilities to tune structure and surface chemistry in order to adapt the material to specific catalytic applications. We investigated three of these tuning options in more detail: change of the porosity by annealing, increase of activity by the deposition of oxides and change of activity and selectivity by bimetallic effects. As an example for the latter case, the effect of Ag impurities will be discussed. The presence and concentration of Ag can be correlated to the availability of active oxygen. While for the oxidation of CO the activity of the catalyst can be significantly enhanced when increasing the content of Ag, we show for the oxidation of methanol that the selectivity is shifted from partial to total oxidation. In a second set of experiments, two different metal-oxides were deposited on np-Au, praseodymia and titania. In both cases, the surface chemistry changed significantly. The activity of the catalyst for oxidation of CO was increased by up to one order of magnitude after modification. Finally, we used adsorbate controlled coarsening to tune the structure of np-Au. In this way, even gradients in the pore-and ligament size could be induced, taking advantage of mass transport phenomena.
C1 [Wittstock, Arne; Wichmann, Andre; Baeumer, Marcus] Univ Bremen, Inst Appl & Phys Chem, D-28359 Bremen, Germany.
[Biener, Juergen] Lawrence Livermore Natl Lab, Nanoscale Synth & Characterizat Lab, Livermore, CA USA.
RP Wittstock, A (reprint author), Univ Bremen, Inst Appl & Phys Chem, Leobener Str NW2, D-28359 Bremen, Germany.
EM awittstock@uni-bremen.de
RI Baumer, Marcus/S-5441-2016
OI Baumer, Marcus/0000-0002-8620-1764
FU University Bremen; U.S. DOE by LLNL [DE-AC52-07NA27344]
FX We thank the University Bremen for financial support. Work at LLNL was
performed under the auspices of the U.S. DOE by LLNL under Contract
DE-AC52-07NA27344. We gratefully acknowledge the experimental support
(SEM) of Petra Witte (Prof. Willems, Historical Geology - Palaeontology,
Geology department of the University Bremen).
NR 44
TC 24
Z9 24
U1 2
U2 64
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1364-5498
J9 FARADAY DISCUSS
JI Faraday Discuss.
PY 2011
VL 152
BP 87
EP 98
DI 10.1039/c1fd00022e
PG 12
WC Chemistry, Physical
SC Chemistry
GA 828ET
UT WOS:000295485000006
PM 22455040
ER
PT J
AU Xu, Y
Semidey-Flecha, L
Liu, L
Zhou, ZH
Goodman, DW
AF Xu, Ye
Semidey-Flecha, Lymarie
Liu, Li
Zhou, Zihao
Goodman, D. Wayne
TI Exploring the structure and chemical activity of 2-D gold islands on
graphene moire/Ru(0001)
SO FARADAY DISCUSSIONS
LA English
DT Article
ID DENSITY-FUNCTIONAL THEORY; GENERALIZED GRADIENT APPROXIMATION;
TOTAL-ENERGY CALCULATIONS; SUPPORTED AU CATALYSTS; GAS SHIFT REACTION;
WAVE BASIS-SET; CO OXIDATION; SELECTIVE OXIDATION; CARBON-MONOXIDE;
NANOPARTICLES
AB Au deposited on Ru(0001)-supported extended, continuous graphene moire forms large 2-D islands at room temperature that are several nanometers in diameter but only 0.55 nm in height, in the apparent absence of typical binding sites such as defects and adsorbates. These Au islands conform to the corrugation of the underlying graphene and display commensurate moire patterns. Several extended Au structure models on graphene/Ru(0001) are examined using density functional theory calculations. Close-packed Au overlayers are energetically more stable, but all interact weakly with the support. Preliminary tests found the Au islands/graphene/Ru(0001) surface to be active for CO oxidation at cryogenic temperature, which suggests that the Au itself is the locus of catalytic activity.
C1 [Xu, Ye; Semidey-Flecha, Lymarie] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
[Liu, Li; Zhou, Zihao; Goodman, D. Wayne] Texas A&M Univ, Dept Chem, College Stn, TX 77842 USA.
RP Xu, Y (reprint author), Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, POB 2008, Oak Ridge, TN 37831 USA.
EM xuy2@ornl.gov; goodman@mail.chem.tamu.edu
RI Xu, Ye/B-5447-2009; Liu, Li/E-8959-2013
OI Xu, Ye/0000-0002-6406-7832; Liu, Li/0000-0002-4852-1580
FU Center for Atomic-Level Catalyst Design, an Energy Frontier Research
Center; Office of Basic Energy Sciences, the Office of Science of the
U.S. Department of Energy [DE-SC0001058]; Office of Science of the U.S.
Department of Energy [DE-AC05-00OR22725]
FX This material is based upon work supported as part of the Center for
Atomic-Level Catalyst Design, an Energy Frontier Research Center funded
by the Office of Basic Energy Sciences, the Office of Science of the
U.S. Department of Energy under Award Number DE-SC0001058. This research
used computing resources of the Oak Ridge Leadership Facility at the Oak
Ridge National Laboratory, which is supported by the Office of Science
of the U.S. Department of Energy under Contract DE-AC05-00OR22725.
NR 77
TC 23
Z9 23
U1 2
U2 24
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1364-5498
J9 FARADAY DISCUSS
JI Faraday Discuss.
PY 2011
VL 152
BP 267
EP 276
DI 10.1039/c1fd00030f
PG 10
WC Chemistry, Physical
SC Chemistry
GA 828ET
UT WOS:000295485000018
PM 22455050
ER
PT J
AU Autrey, T
Bowden, M
Karkamkar, A
AF Autrey, Tom
Bowden, Mark
Karkamkar, Abhi
TI Control of hydrogen release and uptake in amine borane molecular
complexes: thermodynamics of ammonia borane, ammonium borohydride, and
the diammoniate of diborane
SO FARADAY DISCUSSIONS
LA English
DT Article
ID THERMAL-DECOMPOSITION; NEUTRON-SCATTERING; ORTHORHOMBIC PHASE; STORAGE
MATERIALS; REACTION PATHWAYS; DEHYDROGENATION; DYNAMICS; NMR;
THERMOCHEMISTRY; NH3BH3
AB Molecular complexes of Lewis acid-base pairs can be used to activate molecular hydrogen for applications ranging from hydrogen storage for fuel cells to catalytic hydrogenation reactions. In this paper, we examine the factors that determine the thermodynamics of hydrogen activation of a Lewis acid-base pair using the pedagogical examples of ammonia borane (NH3BH3, AB) and ammonium borohydride ([NH4][BH4], ABH(2)). At ambient temperatures, ABH(2) loses hydrogen to form the Lewis acid-base complex AB, suggesting that free energy drives the reaction to release hydrogen. However, direct measurement of the reaction enthalpy is not straightforward given the complex decomposition pathways leading to the formation of the diammoniate of diborane ([NH3BH2NH3][BH4], DADB). In this work, we compare two approaches for deriving the thermodynamic relationships among AB, DADB, and ABH(2).
C1 [Autrey, Tom; Bowden, Mark; Karkamkar, Abhi] Pacific NW Natl Lab, Catalysis Sci Grp, Fundamental & Computat Sci Directorate, Richland, WA 99352 USA.
RP Autrey, T (reprint author), Pacific NW Natl Lab, Catalysis Sci Grp, Fundamental & Computat Sci Directorate, Richland, WA 99352 USA.
FU U.S. Department of Energy's Basic Energy Sciences, Division of Chemical
Sciences, Biosciences and Geosciences; DOE Office of Biological and
Environmental Research
FX This research was supported by the U.S. Department of Energy's Basic
Energy Sciences, Division of Chemical Sciences, Biosciences and
Geosciences. The authors are grateful to Dr Don Camaioni and Dr Greg
Schenter for many insightful discussions. The work was performed in part
at EMSL, a national scientific user facility sponsored by the DOE Office
of Biological and Environmental Research. EMSL is located at Pacific
Northwest National Laboratory, which is operated by Battelle for DOE.
NR 60
TC 23
Z9 24
U1 0
U2 34
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1359-6640
J9 FARADAY DISCUSS
JI Faraday Discuss.
PY 2011
VL 151
BP 157
EP 169
DI 10.1039/c0fd00015a
PG 13
WC Chemistry, Physical
SC Chemistry
GA 802ND
UT WOS:000293517400012
PM 22455068
ER
PT J
AU Khistyaev, K
Bravaya, KB
Kamarchik, E
Kostko, O
Ahmed, M
Krylov, AI
AF Khistyaev, Kirill
Bravaya, Ksenia B.
Kamarchik, Eugene
Kostko, Oleg
Ahmed, Musahid
Krylov, Anna I.
TI The effect of microhydration on ionization energies of thymine
SO FARADAY DISCUSSIONS
LA English
DT Article
ID COUPLED-CLUSTER METHODS; URACIL-WATER COMPLEXES; NUCLEIC-ACID BASES;
EXCITATION-ENERGIES; IONIZED STATES; DIMER CATION; BASIS-SETS;
GAS-PHASE; AB-INITIO; ELECTRON
AB A combined theoretical and experimental study of the effect of microhydration on ionization energies (IEs) of thymine is presented. The experimental IEs are derived from photoionization efficiency curves recorded using tunable synchrotron VUV radiation. The onsets of the PIE curves are 8.85 +/- 0.05, 8.60 +/- 0.05, 8.55 +/- 0.05, and 8.40 +/- 0.05 eV for thymine, thymine mono-, di-, and tri-hydrates, respectively. The computed (EOM-IP-CCSD/cc-pVTZ) AIEs are 8.90, 8.51, 8.52, and 8.35 eV for thymine and the lowest isomers of thymine mono-, di-, and tri-hydrates. Due to large structural relaxation, the Franck-Condon factors for the 0 <- 0 transitions are very small shifting the apparent PIE onsets to higher energies. Microsolvation strongly affects IEs of thymine-the addition of each water molecule reduces the first vertical IE by 0.10-0.15 eV. The adiabatic IE decreases even more (up to 0.4 eV). The magnitude of the effect varies for different ionized states and for different isomers. For the ionized states that are localized on thymine the dominant contribution to the IE reduction is the electrostatic interaction between the delocalized positive charge on thymine and the dipole moment of the water molecule.
C1 [Kostko, Oleg; Ahmed, Musahid] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
[Khistyaev, Kirill; Bravaya, Ksenia B.; Kamarchik, Eugene; Krylov, Anna I.] Univ So Calif, Dept Chem, Los Angeles, CA 90089 USA.
[Kamarchik, Eugene] Emory Univ, Dept Chem, CL Emerson Ctr Sci Computat, Atlanta, GA 30322 USA.
RP Ahmed, M (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
EM musahidahmed@gmail.com; krylov@usc.edu
RI Kostko, Oleg/B-3822-2009; Ahmed, Musahid/A-8733-2009
OI Kostko, Oleg/0000-0003-2068-4991;
FU National Science Foundation [CHE-0625419, 0624602, 0625237]; Office of
Energy Research, Office of Basic Energy Sciences, Chemical Sciences
Division of the U.S. Department of Energy [DE-AC02-05CH11231];
Department of Energy [DE-FG02-05ER15685]
FX This work was conducted under the auspices of the iOpenShell Center for
Computational Studies of Electronic Structure and Spectroscopy of
Open-Shell and Electronically Excited Species (iopenshell.usc.edu)
supported by the National Science Foundation through the CRIF:CRF
CHE-0625419 + 0624602 + 0625237 grant. O.K. and M. A. acknowledge
support by the Director, Office of Energy Research, Office of Basic
Energy Sciences, Chemical Sciences Division of the U.S. Department of
Energy under contract No. DE-AC02-05CH11231. A. I. K. acknowledges
support by the Department of Energy through the DE-FG02-05ER15685 grant.
NR 48
TC 16
Z9 16
U1 4
U2 26
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1359-6640
J9 FARADAY DISCUSS
JI Faraday Discuss.
PY 2011
VL 150
BP 313
EP 330
DI 10.1039/c0fd00002g
PG 18
WC Chemistry, Physical
SC Chemistry
GA 795MA
UT WOS:000292977100016
PM 22457954
ER
PT J
AU Ramos-Cordoba, E
Lambrecht, DS
Head-Gordon, M
AF Ramos-Cordoba, Eloy
Lambrecht, Daniel S.
Head-Gordon, Martin
TI Charge-transfer and the hydrogen bond: Spectroscopic and structural
implications from electronic structure calculations
SO FARADAY DISCUSSIONS
LA English
DT Article
ID TIME-CORRELATION-FUNCTIONS; DENSITY-FUNCTIONAL THEORY; ARGON
PREDISSOCIATION SPECTROSCOPY; ENERGY DECOMPOSITION ANALYSIS; LOCALIZED
MOLECULAR-ORBITALS; SET SUPERPOSITION ERROR; CONSISTENT-FIELD METHOD;
GAUSSIAN-BASIS SETS; SIZE-SELECTED WATER; AB-INITIO
AB The absolutely localized molecular orbital (ALMO) model is a fully variational approach which permits polarization of molecules interacting in a cluster while prohibiting charge-transfer (or dative interactions) between individual molecules. The ALMO model can be applied within any density functional theory calculation - the B3LYP functional is employed in this work. ALMO DFT calculations of observables such as optimized geometry, vibrational frequencies and their intensities, and vertical detachment energies are performed for the water dimer, the chloride-water complex and the cyanide-water complex. The vibrational spectra are obtained both within the harmonic approximation and by quasiclassical trajectory simulations. By comparing these ALMO DFT calculations with full DFT calculations using precisely the same functional and basis, the role of charge-transfer on observables in these model hydrogen bonding systems can be assessed. The results can be further interpreted using ALMO-based energy decomposition analysis, which help to reveal the origin of sensitivity or insensitivity of observables to dative interactions. Analysis of the results also suggests that the B3LYP functional, while qualitatively adequate, appears to somewhat overestimate charge-transfer effects.
C1 [Lambrecht, Daniel S.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
[Ramos-Cordoba, Eloy] Univ Girona, Inst Computat Chem, Girona 17071, Catalonia, Spain.
[Ramos-Cordoba, Eloy] Univ Girona, Dept Chem, Girona 17071, Catalonia, Spain.
RP Lambrecht, DS (reprint author), Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
EM daniel.lambrecht@berkeley.edu; mhg@cchem.berkeley.edu
RI Ramos-Cordoba, Eloy/D-2830-2013
OI Ramos-Cordoba, Eloy/0000-0002-6558-7821
FU National Science Foundation [0344670]; Spanish Ministerio de Educacion y
Ciencia [MAT2008-04834/MAT]; FPU grant [AP2008-01231]
FX This work was supported by a National Science Foundation
Cyber-Infrastructure Award 0344670. We thank Dr Sotiris Xantheas for
providing unpublished CCSD(T) harmonic vibrational frequencies on the
cyanide anion-water system. We thank Dr. Thomas A. Baker for performing
ALMO/EDA calculations on the cyanide-water complex. ERC also
acknowledges support from the Spanish Ministerio de Educacion y Ciencia
(Project No. MAT2008-04834/MAT) and an FPU grant (ref. AP2008-01231).
NR 102
TC 33
Z9 33
U1 2
U2 33
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1359-6640
J9 FARADAY DISCUSS
JI Faraday Discuss.
PY 2011
VL 150
BP 345
EP 362
DI 10.1039/c1fd00004g
PG 18
WC Chemistry, Physical
SC Chemistry
GA 795MA
UT WOS:000292977100018
PM 22457956
ER
PT J
AU Pelmenschikov, V
Guo, YS
Wang, HX
Cramer, SP
Case, DA
AF Pelmenschikov, Vladimir
Guo, Yisong
Wang, Hongxin
Cramer, Stephen P.
Case, David A.
TI Fe-H/D stretching and bending modes in nuclear resonant vibrational,
Raman and infrared spectroscopies: Comparisons of density functional
theory and experiment
SO FARADAY DISCUSSIONS
LA English
DT Article
ID GENERALIZED GRADIENT APPROXIMATION; CLUSTER-FREE HYDROGENASE;
ACTIVE-SITE; IRON; SCATTERING; COMPLEXES; DYNAMICS; NIFE; ACTIVATION;
DINITROGEN
AB Infrared, Raman, and nuclear resonant vibrational (NRVS) spectroscopies have been used to address the Fe-H bonding in trans-HFe(CO) iron hydride compound, HFe(CO)(dppe)(2), dppe 1,2-bis(diphenylphosphino) ethane. H and D isotopomers of the compound, with selective substitution at the metal-coordinated hydrogen, have been considered in order to address the Fe-H/D stretching and bending modes. Experimental results are compared to the normal mode analysis by density functional theory (DFT). The results are that (i) the IR spectrum does not clearly show Fe-H stretching or bending modes; (ii) Fe-H stretching modes are clear but weak in the Raman spectrum, and Fe-H bending modes are weak; (iii) NRVS (57)Fe spectroscopy resolves Fe-H bending clearly, but Fe-H or Fe-D stretching is above its experimentally resolved frequency range. DFT calculations (with no scaling of frequencies) show intensities and peak locations that allow unambiguous correlations between observed and calculated features, with frequency errors generally less than 15 cm(-1). Prospects for using these techniques to unravel vibrational modes of protein active sites are discussed.
C1 [Case, David A.] Rutgers State Univ, BioMaPS Inst, Piscataway, NJ 08854 USA.
[Case, David A.] Rutgers State Univ, Dept Chem & Chem Biol, Piscataway, NJ 08854 USA.
[Wang, Hongxin; Cramer, Stephen P.] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Guo, Yisong; Wang, Hongxin; Cramer, Stephen P.] Univ Calif Davis, Dept Appl Sci, Davis, CA 95616 USA.
[Pelmenschikov, Vladimir] Univ Wurzburg, Inst Anorgan Chem, D-97074 Wurzburg, Germany.
RP Case, DA (reprint author), Rutgers State Univ, BioMaPS Inst, Piscataway, NJ 08854 USA.
OI Guo, Yisong/0000-0002-4132-3565
FU NIH [GM39914, GM61153, GM-65440, EB-001962]; DOE OBER; NSF
[CHE-0745353]; Alexander von Humboldt Foundation
FX This work was supported by NIH grants GM39914, GM61153, GM-65440 and
EB-001962 and by DOE OBER and NSF CHE-0745353. V. P. is grateful for a
research fellowship provided by the Alexander von Humboldt Foundation.
The FTIR spectra were done in ALS beamline 1.4 with the assistance of Dr
Hao Zhao and Dr Michael Martin. The FT-Raman were performed in Frei's
Lab in LBNL, with the assistance of Dr Walter Weare, and Dr Heinz Frei.
We thank Dr Curtis Whaley and Dr Thomas Rauchfuss for providing samples
and for providing information about the crystal structure of 1.
NR 38
TC 14
Z9 14
U1 1
U2 34
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1364-5498
J9 FARADAY DISCUSS
JI Faraday Discuss.
PY 2011
VL 148
BP 409
EP 420
DI 10.1039/c004367m
PG 12
WC Chemistry, Physical
SC Chemistry
GA 695HP
UT WOS:000285361500026
PM 21322496
ER
PT J
AU Edwards, AN
Siuti, P
Bible, AN
Alexandre, G
Retterer, ST
Doktycz, MJ
Morrell-Falvey, JL
AF Edwards, Amanda Nicole
Siuti, Piro
Bible, Amber N.
Alexandre, Gladys
Retterer, Scott T.
Doktycz, Mitchel J.
Morrell-Falvey, Jennifer L.
TI Characterization of cell surface and extracellular matrix remodeling of
Azospirillum brasilense chemotaxis-like 1 signal transduction pathway
mutants by atomic force microscopy
SO FEMS MICROBIOLOGY LETTERS
LA English
DT Article
DE flocculation; Azospirillum brasilense; CheY; CheA; exopolysaccharide;
lipopolysaccharides
ID BACTERIAL CHEMORECEPTORS; RHODOSPIRILLUM-CENTENUM; BIOFILM FORMATION;
PLANT-ROOTS; AGGREGATION; INVOLVEMENT; CD; POLYSACCHARIDES;
MICROBIOLOGY; ATTACHMENT
AB To compete in complex microbial communities, bacteria must sense environmental changes and adjust cellular functions for optimal growth. Chemotaxis-like signal transduction pathways are implicated in the regulation of multiple behaviors in response to changes in the environment, including motility patterns, exopolysaccharide production, and cell-to-cell interactions. In Azospirillum brasilense, cell surface properties, including exopolysaccharide production, are thought to play a direct role in promoting flocculation. Recently, the Che1 chemotaxis-like pathway from A. brasilense was shown to modulate flocculation, suggesting an associated modulation of cell surface properties. Using atomic force microscopy, distinct changes in the surface morphology of flocculating A. brasilense Che1 mutant strains were detected. Whereas the wild-type strain produces a smooth mucosal extracellular matrix after 24 h, the flocculating Che1 mutant strains produce distinctive extracellular fibril structures. Further analyses using flocculation inhibition, lectin-binding assays, and comparison of lipopolysaccharides profiles suggest that the extracellular matrix differs between the cheA1 and the cheY1 mutants, despite an apparent similarity in the macroscopic floc structures. Collectively, these data indicate that disruption of the Che1 pathway is correlated with distinctive changes in the extracellular matrix, which likely result from changes in surface polysaccharides structure and/or composition.
C1 [Edwards, Amanda Nicole; Siuti, Piro; Retterer, Scott T.; Doktycz, Mitchel J.; Morrell-Falvey, Jennifer L.] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
[Edwards, Amanda Nicole; Siuti, Piro; Alexandre, Gladys; Doktycz, Mitchel J.; Morrell-Falvey, Jennifer L.] Univ Tennessee, Oak Ridge Natl Lab, Grad Sch Genome Sci & Technol, Knoxville, TN USA.
[Bible, Amber N.; Alexandre, Gladys] Univ Tennessee, Dept Biochem Cellular & Mol Biol, Knoxville, TN USA.
[Retterer, Scott T.; Doktycz, Mitchel J.] Ctr Nanophase Mat Sci, Oak Ridge Natl Lab, Oak Ridge, TN USA.
RP Morrell-Falvey, JL (reprint author), Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA.
EM morrelljl1@ornl.gov
RI Retterer, Scott/A-5256-2011; Doktycz, Mitchel/A-7499-2011;
Morrell-Falvey, Jennifer/A-6615-2011;
OI Retterer, Scott/0000-0001-8534-1979; Doktycz,
Mitchel/0000-0003-4856-8343; Morrell-Falvey,
Jennifer/0000-0002-9362-7528; Alexandre, Gladys/0000-0002-9238-4640
FU Office of Biological and Environmental Research, US DOE; NSF
[MCB-0919819]; US Department of Energy [DE-AC05-00OR22725]
FX The authors would like to thank Dave Allison for helpful discussions.
This research was funded by the Genomic Science Program of the Office of
Biological and Environmental Research, US DOE, and NSF MCB-0919819 to
G.A. Oak Ridge National Laboratory is managed by UT-Battelle, LLC, for
the US Department of Energy under Contract no. DE-AC05-00OR22725.
NR 32
TC 9
Z9 9
U1 1
U2 15
PU WILEY-BLACKWELL PUBLISHING, INC
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0378-1097
J9 FEMS MICROBIOL LETT
JI FEMS Microbiol. Lett.
PD JAN
PY 2011
VL 314
IS 2
BP 131
EP 139
DI 10.1111/j.1574-6968.2010.02156.x
PG 9
WC Microbiology
SC Microbiology
GA 695RA
UT WOS:000285389100005
PM 21105907
ER
PT J
AU Molak, A
Lawniczak-Jablonska, K
Nachimuthu, P
Perera, RCC
AF Molak, A.
Lawniczak-Jablonska, K.
Nachimuthu, P.
Perera, R. C. C.
TI The Estimation of the Mn Atoms Chemical Bonding in
(Na1-xBix)(Nb1-yMny)O-3 Ceramics and Changeover in the Electrical
Properties
SO FERROELECTRICS
LA English
DT Article; Proceedings Paper
CT 1st Lithuanian-Ukranian-Polish (LUP)
CY SEP 12-16, 2010
CL Taujenai Estate, LITHUANIA
DE Covalent and ionic bonding; dielectric permittivity; electric
conductivity; XANES
ID ELECTRONIC-STRUCTURE; SINGLE-CRYSTALS; DOPED NANBO3; TRANSITION;
PERMITTIVITY; RELAXATION; MODULUS
AB The chemical bonding of Mn atoms in (Na1-xBix)(Nb1-yMny)O-3 ceramics were analysed using the X-ray Absorption Near Edge Structure (XANES) measurement at the Mn L-3,L-2-edge. In all the compounds coexistence of the covalent bonding Mn-CV state and ionic Mn+k states was found. The increase in the Bi and Mn content caused the marked dispersion and increased the values of electric conductivity and dielectric permittivity of the ceramics.
C1 [Molak, A.] Univ Silesia, Inst Phys, PL-40007 Katowice, Poland.
[Lawniczak-Jablonska, K.] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland.
[Nachimuthu, P.; Perera, R. C. C.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Ctr Xray Opt, Berkeley, CA 94720 USA.
RP Molak, A (reprint author), Univ Silesia, Inst Phys, Ul Uniwersytecka 4, PL-40007 Katowice, Poland.
EM andrzej.molak@us.edu.pl
RI Lawniczak-Jablonska, Krystyna/J-8994-2012
OI Lawniczak-Jablonska, Krystyna/0000-0003-1042-570X
NR 12
TC 5
Z9 5
U1 1
U2 3
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND
SN 0015-0193
EI 1563-5112
J9 FERROELECTRICS
JI Ferroelectrics
PY 2011
VL 418
BP 14
EP 18
DI 10.1080/00150193.2011.578544
PG 5
WC Materials Science, Multidisciplinary; Physics, Condensed Matter
SC Materials Science; Physics
GA 868RG
UT WOS:000298541200004
ER
PT J
AU Nishina, T
Higuchi, T
Magome, E
Velasco, PO
Chen, JL
Yang, WL
Guo, JH
Fukunaga, M
Komukae, M
AF Nishina, Tetsuya
Higuchi, Tohru
Magome, Eisuke
Velasco, Poul Olade
Chen, Jeng Long
Yang, Wang Li
Guo, Jinghua
Fukunaga, Masanori
Komukae, Masaru
TI Electronic Structure of KH2PO4 Single Crystal Studied by Soft-X-Ray
Spectroscopy
SO FERROELECTRICS
LA English
DT Article; Proceedings Paper
CT 10th Russia/CIS/Baltic/Japan Symposium on Ferroelectricity (RCBJSF)
CY JUN 20-24, 2010
CL Yokohama, JAPAN
AB The problem of resolving molecular components of the electronic structure of KH2PO4 single crystal with respect to its chemical and orbital character has been approached by X-ray absorption spectroscopy (XAS) and soft X-ray emission spectroscopy (SXES). XAS around K-absorption edge of O atom was carried out in order to the existence of relation between the electronic structure and ferroelectric phase transition. Temperature dependence of electronic structure was measured below and above T-C. Obvious differences of electronic structure at phase transition temperature were clearly observed. Density states of electronic structure might be gradually changed due to local distortion of PO4 tetrahedra.
C1 [Nishina, Tetsuya; Higuchi, Tohru; Magome, Eisuke; Fukunaga, Masanori; Komukae, Masaru] Tokyo Univ Sci, Dept Appl Phys, Tokyo 1628601, Japan.
[Velasco, Poul Olade; Chen, Jeng Long; Yang, Wang Li; Guo, Jinghua] Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA.
RP Nishina, T (reprint author), Tokyo Univ Sci, Dept Appl Phys, Tokyo 1628601, Japan.
EM j1509622@ed.kagu.tus.ac.jp
RI Yang, Wanli/D-7183-2011; Higuchi, Tohru/C-6544-2012
OI Yang, Wanli/0000-0003-0666-8063;
NR 10
TC 0
Z9 0
U1 0
U2 6
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND
SN 0015-0193
EI 1563-5112
J9 FERROELECTRICS
JI Ferroelectrics
PY 2011
VL 416
BP 90
EP 94
DI 10.1080/00150193.2011.577712
PG 5
WC Materials Science, Multidisciplinary; Physics, Condensed Matter
SC Materials Science; Physics
GA 868PZ
UT WOS:000298536500016
ER
PT S
AU Rubenchik, AM
Turitsyn, SK
Fedoruk, MP
AF Rubenchik, Alexander M.
Turitsyn, Sergei K.
Fedoruk, Michail P.
BE Dawson, JW
Honea, EC
TI On the Theory of the Modulation Instability in Optical Fiber and Laser
Amplifiers
SO FIBER LASERS VIII: TECHNOLOGY, SYSTEMS, AND APPLICATIONS
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Fiber Lasers VIII - Technology, Systems, and Applications
CY JAN 24-27, 2011
CL San Francisco, CA
SP SPIE, NKT Photon A/S, Fianium Ltd, PolarOnyx Inc
DE fibers; modulation instability; soliton laser; optical amplifier
ID REPETITION-RATE; GENERATION; SOLITONS; TRAIN; BEAMS
AB The modulation instability (MI) in optical fiber amplifiers and lasers with anomalous dispersion leads to CW beam breakup and the growth of multiple pulses. This can be both a detrimental effect, limiting the performance of amplifiers, and also an underlying physical mechanism in the operation of MI-based devices. Here we revisit the analytical theory of MI in fiber optical amplifiers. The results of the exact theory are compared with the previously used adiabatic approximation model, and the range of applicability of the latter is determined. The same technique is applicable to the study of spatial MI in solid state laser amplifiers and MI in non-uniform media.
C1 [Rubenchik, Alexander M.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Rubenchik, AM (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM rubenchik1@llnl.gov
RI Turitsyn, Sergei/J-5562-2013
OI Turitsyn, Sergei/0000-0003-0101-3834
NR 18
TC 0
Z9 0
U1 0
U2 0
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-451-2
J9 PROC SPIE
PY 2011
VL 7914
AR 791434
DI 10.1117/12.877737
PG 7
WC Optics; Physics, Applied
SC Optics; Physics
GA BYA86
UT WOS:000297791600089
ER
PT S
AU Benterou, J
May, C
Udd, E
Mihailov, SJ
Lu, P
AF Benterou, Jerry
May, Chadd
Udd, Eric
Mihailov, Stephen J.
Lu, Ping
BE Mihailov, SJ
Du, HH
Pickrell, G
Wang, A
Mendez, A
Udd, E
TI High speed measurements using fiber-optic Bragg gratings
SO FIBER OPTIC SENSORS AND APPLICATIONS VIII
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on the Fiber Optic Sensors and Applications VIII
CY APR 28-29, 2011
CL Orlando, FL
SP SPIE
DE Fiber gratings; structures; failure; high-speed; detonation velocity;
Bragg effect; CFBG
ID STRAIN SENSORS; SYSTEMS
AB Fiber grating sensors may be used to monitor high-speed events that include catastrophic failure of structures, ultrasonic testing and detonations. This paper provides insights into the utility of fiber grating sensors to measure structural changes under extreme conditions. An emphasis is placed on situations where there is a structural discontinuity. Embedded chirped fiber Bragg grating (CFBG) sensors can track the very high-speed progress of detonation waves (6-9 km/sec) inside energetic materials. This paper discusses diagnostic instrumentation and analysis techniques used to measure these high-speed events.
C1 [Benterou, Jerry; May, Chadd] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Benterou, J (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA.
RI Mihailov, Stephen/E-2687-2013
NR 18
TC 1
Z9 1
U1 0
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-602-8
J9 PROC SPIE
PY 2011
VL 8028
AR 802808
DI 10.1117/12.884703
PG 12
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA BVP18
UT WOS:000292155500005
ER
PT S
AU Biedrzycki, S
Buric, M
Falk, J
Woodruff, S
AF Biedrzycki, S.
Buric, M.
Falk, J.
Woodruff, S.
BE Mihailov, SJ
Du, HH
Pickrell, G
Wang, A
Mendez, A
Udd, E
TI Optical efficiency in metal-lined capillary waveguide Raman sensors
SO FIBER OPTIC SENSORS AND APPLICATIONS VIII
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on the Fiber Optic Sensors and Applications VIII
CY APR 28-29, 2011
CL Orlando, FL
SP SPIE
DE Raman scattering; optical sensors; capillary waveguides
ID HOLLOW FIBERS; DELIVERY
AB Researchers have long sought to improve collection efficiencies in scattered-light sensing applications. Herein, we demonstrate efficient collection of Raman scattered light from gaseous samples. This enables the accurate, real-time, simultaneous measurement of otherwise difficult to distinguish molecular gasses or hydrocarbons. Hollow capillary waveguides, lined with a metal and dielectric over-coating, have often been used to deliver IR laser light to a target. We show that these waveguides can be used as both a sample holder for Raman gasses and as a laser-pumped optical cell which can collect Raman scattered light from these gasses. We extend existing low mode-order capillary waveguide analysis to treat higher order modes. This extension allows a robust computer simulation to accurately predict the spontaneous Raman scattering power that can be collected by the waveguide. We verify our new theoretical models with experimental measurements of Raman signals from a nitrogen filled waveguide. We demonstrate a cutback experiment which verifies our new theoretical predictions of the variation of scattering collection efficiency with guide dimensions. The prediction accuracy of our simulations allows us to design spectrometers and detectors to maximize Raman-light throughput in a high-sensitivity gas detection system.
C1 [Biedrzycki, S.; Buric, M.; Falk, J.; Woodruff, S.] Natl Energy Technol Lab, Morgantown, WV 26507 USA.
RP Biedrzycki, S (reprint author), Natl Energy Technol Lab, Morgantown, WV 26507 USA.
NR 7
TC 1
Z9 1
U1 3
U2 10
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-602-8
J9 PROC SPIE
PY 2011
VL 8028
AR 80280K
DI 10.1117/12.883074
PG 6
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA BVP18
UT WOS:000292155500015
ER
PT S
AU Trumbo, M
Stevens-Adams, S
Hendrickson, SML
Abbott, R
Haass, M
Forsythe, C
AF Trumbo, Michael
Stevens-Adams, Susan
Hendrickson, Stacey M. L.
Abbott, Robert
Haass, Michael
Forsythe, Chris
BE Schmorrow, DD
Fidopiastis, CM
TI Individual Differences and the Science of Human Performance
SO FOUNDATIONS OF AUGMENTED COGNITION: DIRECTING THE FUTURE OF ADAPTIVE
SYSTEMS
SE Lecture Notes in Artificial Intelligence
LA English
DT Proceedings Paper
CT 6th International Conference on Foundations of Augmented Cognition (FAC)
Held as Part of 14th International Conference on Human-Computer
Interaction (HCI)
CY JUL 09-14, 2011
CL Orlando, FL
DE Individual Differences; EEG; Memory Span; RAT; Attentional Beam; Mental
Rotation; Ruff Attention Task; Raven's Matrices; Box Folding; Dual Task;
Barton's; Binary; Stroop; N-back; Mismatch Negativity; P300; Oddball;
Semantic Memory; Episodic Memory; Go/No-Go; Flanker; Line Drawing; MAT-B
ID BEHAVIOR
AB This study comprises the third year of the Robust Automated Knowledge Capture (RAKC) project. In the previous two years, preliminary research was conducted by collaborators at the University of Notre Dame and the University of Memphis. The focus of this preliminary research was to identify relationships between cognitive performance aptitudes (e.g., short-term memory capacity, mental rotation) and strategy selection for laboratory tasks, as well as tendencies to maintain or abandon these strategies. The current study extends initial research by assessing electrophysiological correlates with individual tendencies in strategy selection. This study identifies regularities within individual differences and uses this information to develop a model to predict and understand the relationship between these regularities and cognitive performance.
C1 [Trumbo, Michael; Stevens-Adams, Susan; Hendrickson, Stacey M. L.; Abbott, Robert; Haass, Michael; Forsythe, Chris] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Trumbo, M (reprint author), Sandia Natl Labs, MS 1188, Albuquerque, NM 87185 USA.
EM mctrumb@sandia.gov; smsteve@sandia.gov; smhendr@sandia.gov;
rgabbot@sandia.gov; mjhaass@sandia.gov; jcforsy@sandia.gov
NR 11
TC 0
Z9 0
U1 0
U2 1
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-642-21851-4
J9 LECT NOTES ARTIF INT
PY 2011
VL 6780
BP 46
EP 54
PG 9
WC Computer Science, Artificial Intelligence
SC Computer Science
GA BDB81
UT WOS:000312501400006
ER
PT S
AU Haass, MJ
Matzen, LE
AF Haass, Michael J.
Matzen, Laura E.
BE Schmorrow, DD
Fidopiastis, CM
TI Using Computational Modeling to Assess Use of Cognitive Strategies
SO FOUNDATIONS OF AUGMENTED COGNITION: DIRECTING THE FUTURE OF ADAPTIVE
SYSTEMS
SE Lecture Notes in Artificial Intelligence
LA English
DT Proceedings Paper
CT 6th International Conference on Foundations of Augmented Cognition (FAC)
Held as Part of 14th International Conference on Human-Computer
Interaction (HCI)
CY JUL 09-14, 2011
CL Orlando, FL
DE Memory; computational modeling; electroencephalography
ID BRAIN POTENTIALS; MEMORY; RECOGNITION; COMPETENCE; ILLUSIONS; WORDS
AB Although there are many strategies and techniques that can improve memory, cognitive biases generally lead people to choose suboptimal memory strategies. In this study, participants were asked to memorize words while their brain activity was recorded using electroencephalography (EEG). The participants' memory performance and EEG data revealed that a self-testing ( retrieval practice) strategy could improve memory. The majority of the participants did not use self-testing, but computational modeling revealed that a subset of the participants had brain activity that was consistent with this optimal strategy. We developed a model that characterized the brain activity associated with passive study and with explicit memory testing. We used that model to predict which participants adopted a self-testing strategy, and then evaluated the behavioral performance of those participants. This analysis revealed that, as predicted, the participants whose brain activity was consistent with a self-testing strategy had better memory performance at test.
C1 [Haass, Michael J.; Matzen, Laura E.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Haass, MJ (reprint author), Sandia Natl Labs, POB 5800,MS 1188, Albuquerque, NM 87185 USA.
EM mjhaass@sandia.gov; lematze@sandia.gov
NR 13
TC 1
Z9 1
U1 1
U2 2
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-642-21851-4
J9 LECT NOTES ARTIF INT
PY 2011
VL 6780
BP 77
EP 86
PG 10
WC Computer Science, Artificial Intelligence
SC Computer Science
GA BDB81
UT WOS:000312501400010
ER
PT S
AU Matzen, LE
AF Matzen, Laura E.
BE Schmorrow, DD
Fidopiastis, CM
TI Cultural Neuroscience and Individual Differences: Implications for
Augmented Cognition
SO FOUNDATIONS OF AUGMENTED COGNITION: DIRECTING THE FUTURE OF ADAPTIVE
SYSTEMS
SE Lecture Notes in Artificial Intelligence
LA English
DT Proceedings Paper
CT 6th International Conference on Foundations of Augmented Cognition (FAC)
Held as Part of 14th International Conference on Human-Computer
Interaction (HCI)
CY JUL 09-14, 2011
CL Orlando, FL
DE Cultural neuroscience; individual differences
ID EYE-MOVEMENTS; BRAIN; CHINESE; WORLD; FACES
AB Technologies that augment human cognition have the potential to enhance human performance in a wide variety of domains. However, there are a number of individual differences in brain activity that must be taken into account during the development, validation, and application of augmented cognition tools. A growing body of research in cultural neuroscience has shown that there are substantial differences in how people from different cultural backgrounds approach various cognitive tasks. In addition, there are many other types of individual differences and even changes in a single individual over time that have implications for augmented cognition research and development. The aim of this session is to highlight a few of those differences and to discuss how they might impact augmented cognition technologies.
C1 Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Matzen, LE (reprint author), Sandia Natl Labs, POB 5800,MS 1188, Albuquerque, NM 87185 USA.
EM lematze@sandia.gov
NR 24
TC 0
Z9 0
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-642-21851-4
J9 LECT NOTES ARTIF INT
PY 2011
VL 6780
BP 194
EP 198
PG 5
WC Computer Science, Artificial Intelligence
SC Computer Science
GA BDB81
UT WOS:000312501400024
ER
PT S
AU Dodel, S
Cohn, J
Mersmann, J
Luu, P
Forsythe, C
Jirsa, V
AF Dodel, Silke
Cohn, Joseph
Mersmann, Jochen
Phan Luu
Forsythe, Chris
Jirsa, Viktor
BE Schmorrow, DD
Fidopiastis, CM
TI Brain Signatures of Team Performance
SO FOUNDATIONS OF AUGMENTED COGNITION: DIRECTING THE FUTURE OF ADAPTIVE
SYSTEMS
SE Lecture Notes in Artificial Intelligence
LA English
DT Proceedings Paper
CT 6th International Conference on Foundations of Augmented Cognition (FAC)
Held as Part of 14th International Conference on Human-Computer
Interaction (HCI)
CY JUL 09-14, 2011
CL Orlando, FL
DE team; coordination; manifold; dimension; brain; dynamics; subspace; EEG
ID COORDINATION; INFORMATION; FLOW
AB We report results from a dual electroencephalography (EEG) study, in which two-member teams performed a simulated combat scenario. Our aim was to distinguish expert from novice teams by their brain dynamics. Our findings suggest that dimensionality increases in the joint brain dynamics of the team members is a signature of increased task demand, both objective, e. g. increased task difficulty, and subjective, e. g. lack of experience in performing the task. Furthermore in each team we identified a subspace of joint brain dynamics related to team coordination. Our approach identifies signatures specific to team coordination by introducing surrogate team data as a baseline for joint brain dynamics without team coordination. This revealed that team coordination affects the subspace itself in which the joint brain dynamics of the team members are evolving, but not its dimensionality. Our results confirm the possibility to identify signatures of team coordination from the team members' brain dynamics.
C1 [Dodel, Silke; Jirsa, Viktor] Florida Atlantic Univ, Ctr Complex Syst & Brain Sci, Boca Raton, FL 33431 USA.
[Cohn, Joseph] Def Adv Res Projects Agcy, Boca Raton, FL USA.
[Mersmann, Jochen] CodeBox Computerdienste GmbH, Stuttgart, Germany.
[Phan Luu] Elect Geodes Inc, Eugene, OR USA.
[Forsythe, Chris] Cognit Sci & Applicat, Sandia Natl Labs, Albuquerque, NM USA.
[Jirsa, Viktor] Univ Mediterran, CNRS UMR 6233, Inst Movement Sci, Theoret Neurosci Grp, Marseille, France.
RP Dodel, S (reprint author), Florida Atlantic Univ, Ctr Complex Syst & Brain Sci, Boca Raton, FL 33431 USA.
EM dodel@ccs.fau.edu
RI Jirsa, Viktor/M-4630-2016
OI Jirsa, Viktor/0000-0002-8251-8860
NR 23
TC 5
Z9 5
U1 1
U2 2
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-642-21851-4
J9 LECT NOTES ARTIF INT
PY 2011
VL 6780
BP 288
EP 297
PG 10
WC Computer Science, Artificial Intelligence
SC Computer Science
GA BDB81
UT WOS:000312501400035
ER
PT S
AU Lakkaraju, K
Stevens-Adams, S
Abbott, RG
Forsythe, C
AF Lakkaraju, Kiran
Stevens-Adams, Susan
Abbott, Robert G.
Forsythe, Chris
BE Schmorrow, DD
Fidopiastis, CM
TI Communications-Based Automated Assessment of Team Cognitive Performance
SO FOUNDATIONS OF AUGMENTED COGNITION: DIRECTING THE FUTURE OF ADAPTIVE
SYSTEMS
SE Lecture Notes in Artificial Intelligence
LA English
DT Proceedings Paper
CT 6th International Conference on Foundations of Augmented Cognition (FAC)
Held as Part of 14th International Conference on Human-Computer
Interaction (HCI)
CY JUL 09-14, 2011
CL Orlando, FL
AB In this paper we performed analysis of speech communications in order to determine if we can differentiate between expert and novice teams based on communication patterns. Two pairs of experts and novices performed numerous test sessions on the E-2 Enhanced Deployable Readiness Trainer (EDRT) which is a medium-fidelity simulator of the Naval Flight Officer (NFO) stations positioned at bank end of the E-2 Hawkeye. Results indicate that experts and novices can be differentiated based on communication patterns. First, experts and novices differ significantly with regard to the frequency of utterances, with both expert teams making many fewer radio calls than both novice teams. Next, the semantic content of utterances was considered. Using both manual and automated speech-to-text conversion, the resulting text documents were compared. For 7 of 8 subjects, the two most similar subjects (using cosine-similarity of term vectors) were in the same category of expertise (novice/expert). This means that the semantic content of utterances by experts was more similar to other experts, than novices, and vice versa. Finally, using machine learning techniques we constructed a classifier that, given as input the text of the speech of a subject, could identify whether the individual was an expert or novice with a very low error rate. By looking at the parameters of the machine learning algorithm we were also able to identify terms that are strongly associated with novices and experts.
C1 [Lakkaraju, Kiran; Stevens-Adams, Susan; Abbott, Robert G.; Forsythe, Chris] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Lakkaraju, K (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM klakkar@sandia.gov; smsteve@sandia.gov; rgabbot@sandia.gov;
jcforsy@sandia.gov
NR 5
TC 1
Z9 1
U1 0
U2 1
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-642-21851-4
J9 LECT NOTES ARTIF INT
PY 2011
VL 6780
BP 325
EP 334
PG 10
WC Computer Science, Artificial Intelligence
SC Computer Science
GA BDB81
UT WOS:000312501400039
ER
PT S
AU Zotov, M
Forsythe, C
Voyt, A
Akhmedova, I
Petrukovich, V
AF Zotov, Mikhail
Forsythe, Chris
Voyt, Alexey
Akhmedova, Inga
Petrukovich, Vladimir
BE Schmorrow, DD
Fidopiastis, CM
TI A Dynamic Approach to the Physiological-Based Assessment of Resilience
to Stressful Conditions
SO FOUNDATIONS OF AUGMENTED COGNITION: DIRECTING THE FUTURE OF ADAPTIVE
SYSTEMS
SE Lecture Notes in Artificial Intelligence
LA English
DT Proceedings Paper
CT 6th International Conference on Foundations of Augmented Cognition (FAC)
Held as Part of 14th International Conference on Human-Computer
Interaction (HCI)
CY JUL 09-14, 2011
CL Orlando, FL
DE heart rate variability; cognitive workload; simulation-based training
AB In the presented research, a new algorithm of detection and analysis of non-stationary phases (NSPh), characterizing sudden changes in heart rate variability (HRV) parameters was used. Physiological reactions of air traffic controllers during the performance of training scenario were estimated. 39 participants - 14 experienced air traffic controllers and 25 students performed a 40-minute scenario, which included 3 stressful incidents: a rapid increase in air traffic density, low fuel level and plane engine failure. Students also performed the scenario after brief training. The results have shown that as expertise grows respondents show a significant decrease in duration and change in patterns of non-stationary phases of heart rate arising in response to the stressful incidents. These changes of parameters of non-stationary phases are connected with increased efficiency of air traffic controllers' cognitive performance in stressful conditions. The research has illustrated that the analysis of non-stationary phase parameters complements classical HRV measures and may be used for assessment of physiological responses of operators in Augmented Cognition applications.
C1 [Zotov, Mikhail; Voyt, Alexey; Akhmedova, Inga; Petrukovich, Vladimir] St Petersburg State Univ, Univ Skaya Naberejnaya 7-9, St Petersburg 199034, Russia.
[Forsythe, Chris] Sandia Natl Labs, St Petersburg, FL USA.
RP Zotov, M (reprint author), St Petersburg State Univ, Univ Skaya Naberejnaya 7-9, St Petersburg 199034, Russia.
EM zotov@psy.pu.ru; jcforsy@sandia.gov; voytalexey@mail.ru;
pemphix@mail.ru; Petrukov_vm@mail.ru
RI Voyt, Alexey/P-1192-2014; Mikhail, Zotov/P-7507-2015;
OI Voyt, Alexey/0000-0001-9568-0376; Mikhail, Zotov/0000-0002-1988-8391;
Korotkova, Inga/0000-0002-9614-4329
FU Office of Naval Research [N00014- 08- 1- 0731]
FX This work was supported by Office of Naval Research Grant N00014- 08- 1-
0731.
NR 8
TC 3
Z9 3
U1 1
U2 3
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-642-21851-4
J9 LECT NOTES ARTIF INT
PY 2011
VL 6780
BP 657
EP 666
PG 10
WC Computer Science, Artificial Intelligence
SC Computer Science
GA BDB81
UT WOS:000312501400075
ER
PT J
AU Jana, S
Hovanski, Y
Grant, GJ
Mattlin, K
AF Jana, S.
Hovanski, Y.
Grant, G. J.
Mattlin, K.
BE Mishra, R
Mahoney, MW
Sato, Y
Hovanski, Y
Verma, R
TI EFFECT OF TOOL FEATURE ON THE JOINT STRENGTH OF DISSIMILAR FRICTION STIR
LAP WELDS
SO FRICTION STIR WELDING AND PROCESSING VI
LA English
DT Proceedings Paper
CT Symposium on Friction Stir Welding and Processing VI held during 140th
TMS Annual Meeting and Exhibition
CY FEB 27-MAR 03, 2011
CL San Diego, CA
SP Minerals, Met & Mat Soc, Minerals, Met & Mat Soc, Mat Proc & Mfg Div, Shaping & Forming Comm
DE Mg alloy; Steel; Lap-shear strength; Joining
AB Several variations of friction stir tools were used to investigate the effects on the joint strengths of dissimilar friction stir lap welds. In the present lap weld configuration the top sheet was a 2.32 mm thick Mg (AZ 31) alloy. The bottom sheet consisted of two different steels, a (i) 0.8 mm thick electro-galvanized (EG) mild steel, or a (ii) 1.5 mm thick hot dip galvanized (HDG) high strength low alloy (HSLA) steel. Initially the tool shape was modified to accommodate the material, at which point the tool geometry was fixed. With a fixed tool geometry an additional feature was added to the pin bottom on one of the tools by incorporating a short hard insert, which would act as a stronger bottom sheet cutter. The effects of such modification on the unguided lap shear strength, and associated microstructural changes are discussed in this study.
C1 [Jana, S.; Hovanski, Y.; Grant, G. J.; Mattlin, K.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Jana, S (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
NR 8
TC 4
Z9 4
U1 0
U2 1
PU JOHN WILEY & SONS
PI CHICHESTER
PA THE ATRIUM, SOUTHERN GATE, CHICHESTER, W SUSSEX PO 19 8SQ, ENGLAND
BN 978-1-11800-201-8
PY 2011
BP 205
EP 211
PG 7
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BIC59
UT WOS:000327403500025
ER
PT J
AU Goldfarb, KC
Karaoz, U
Hanson, CA
Santee, CA
Bradford, MA
Treseder, KK
Wallenstein, MD
Brodie, EL
AF Goldfarb, Katherine C.
Karaoz, Ulas
Hanson, China A.
Santee, Clark A.
Bradford, Mark A.
Treseder, Kathleen K.
Wallenstein, Matthew D.
Brodie, Eoin L.
TI Differential growth responses of soil bacterial taxa to carbon
substrates of varying chemical recalcitrance
SO FRONTIERS IN MICROBIOLOGY
LA English
DT Article
DE soil; bacteria; carbon; substrate quality; bromo-deoxyuridine;
microarray; rRNA copy number
AB Soils are immensely diverse microbial habitats with thousands of co-existing bacterial, archaeal, and fungal species. Across broad spatial scales, factors such as pH and soil moisture appear to determine the diversity and structure of soil bacterial communities. Within any one site however, bacterial taxon diversity is high and factors maintaining this diversity are poorly resolved. Candidate factors include organic substrate availability and chemical recalcitrance, and given that they appear to structure bacterial communities at the phylum level, we examine whether these factors might structure bacterial communities at finer levels of taxonomic resolution. Analyzing 16S rRNA gene composition of nucleotide analog-labeled DNA by PhyloChip microarrays, we compare relative growth rates on organic substrates of increasing chemical recalcitrance of >2,200 bacterial taxa across 43 divisions/phyla. Taxa that increase in relative abundance with labile organic substrates (i.e., glycine, sucrose) are numerous (>500), phylogenetically clustered, and occur predominantly in two phyla (Proteobacteria and Actinobacteria) including orders Actinomycetales, Enterobacteriales, Burkholderiales, Rhodocyclales, Alteromonadales, and Pseudomonadales. Taxa increasing in relative abundance with more chemically recalcitrant substrates (i.e., cellulose, lignin, or tannin-protein) are fewer (168) but more phylogenetically dispersed, occurring across eight phyla and including Clostridiales, Sphingomonadalaes, Desulfovibrionales. Just over 6% of detected taxa, including many Burkholderiales increase in relative abundance with both labile and chemically recalcitrant substrates. Estimates of median rRNA copy number per genome of responding taxa demonstrate that these patterns are broadly consistent with bacterial growth strategies. Taken together, these data suggest that changes in availability of intrinsically labile substrates may result in predictable shifts in soil bacterial composition.
C1 [Goldfarb, Katherine C.; Karaoz, Ulas; Santee, Clark A.; Brodie, Eoin L.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Dept Ecol, Div Earth Sci, Berkeley, CA 94720 USA.
[Hanson, China A.; Treseder, Kathleen K.] Univ Calif Irvine, Irvine, CA USA.
[Bradford, Mark A.] Yale Univ, Sch Forestry & Environm Studies, New Haven, CT 06511 USA.
[Wallenstein, Matthew D.] Colorado State Univ, Nat Resource Ecol Lab, Ft Collins, CO 80523 USA.
RP Brodie, EL (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, 1 Cyclotron Rd,MS70A-3317, Berkeley, CA 94720 USA.
EM elbrodie@lbl.gov
RI Bradford, Mark/G-3850-2012; Treseder, Kathleen/E-5148-2011; Brodie,
Eoin/A-7853-2008; Karaoz, Ulas/J-7093-2014;
OI Bradford, Mark/0000-0002-2022-8331; Brodie, Eoin/0000-0002-8453-8435;
Wallenstein, Matthew/0000-0002-6219-1442
FU U.S. Department of Energy by the University of California, Lawrence
Berkeley National Laboratory [DE-AC02-05CH11231]; Laboratory Directed
Research and Development Program of Lawrence Berkeley National
Laboratory; U.S. Department of Energy Program for Ecosystem Research
[DE-FG02-04ER63893]; National Science Foundation [DEB-0445458]; Warner
College of Natural Resources at Colorado State University
FX We thank Steven Allison for critical review of this manuscript. Part of
this work was performed under the auspices of the U.S. Department of
Energy by the University of California, Lawrence Berkeley National
Laboratory, under Contract DE-AC02-05CH11231 and was supported in part
by the Laboratory Directed Research and Development Program of Lawrence
Berkeley National Laboratory (to Eoin L. Brodie). Further support was
provided by U.S. Department of Energy Program for Ecosystem Research
grant number DE-FG02-04ER63893 (to Mark A. Bradford, Kathleen K.
Treseder, and Matthew D. Wallenstein), by National Science Foundation
grant number DEB-0445458 (to Kathleen K. Treseder), and a grant from the
Warner College of Natural Resources at Colorado State University (to
Matthew D. Wallenstein).
NR 82
TC 76
Z9 76
U1 7
U2 45
PU FRONTIERS RESEARCH FOUNDATION
PI LAUSANNE
PA PO BOX 110, LAUSANNE, 1015, SWITZERLAND
SN 1664-302X
J9 FRONT MICROBIOL
JI Front. Microbiol.
PY 2011
VL 2
AR 94
DI 10.3389/fmicb.2011.00094
PG 10
WC Microbiology
SC Microbiology
GA V31DE
UT WOS:000208863500104
PM 21833332
ER
PT J
AU Lin, MQ
Kikuchi, T
Brewer, HM
Norbeck, AD
Rikihisa, Y
AF Lin, Mingqun
Kikuchi, Takane
Brewer, Heather M.
Norbeck, Angela D.
Rikihisa, Yasuko
TI Global proteomic analysis of two tick-borne emerging zoonotic agents:
Anaplasma phagocytophilum and Ehrlichia chaffeensis
SO FRONTIERS IN MICROBIOLOGY
LA English
DT Article
DE Anaplasma phagocytophilum; Ehrlichia chaffeensis; proteomic analysis;
human granulocytic anaplasmosis; human monocytic ehrlichiosis; human
leukocytes
AB Anaplasma phagocytophilum and Ehrlichia chaffeensis are obligatory intracellular alpha-proteobacteria that infect human leukocytes and cause potentially fatal emerging zoonoses. In the present study, we determined global protein expression profiles of these bacteria cultured in the human promyelocytic leukemia cell line, HL-60. Mass spectrometric (MS) analyses identified a total of 1,212 A. phagocytophilum and 1,021 E. chaffeensis proteins, representing 89.3 and 92.3% of the predicted bacterial proteomes, respectively. Nearly all bacterial proteins (>= 99%) with known functions were expressed, whereas only approximately 80% of "hypothetical" proteins were detected in infected human cells. Quantitative MS/MS analyses indicated that highly expressed proteins in both bacteria included chaperones, enzymes involved in biosynthesis and metabolism, and outer membrane proteins, such as A. phagocytophilum P44 and E. chaffeensis P28/OMP-1. Among 113 A. phagocytophilum p44 paralogous genes, 110 of them were expressed and 88 of them were encoded by pseudogenes. In addition, bacterial infection of HL-60 cells up-regulated the expression of human proteins involved mostly in cytoskeleton components, vesicular trafficking, cell signaling, and energy metabolism, but down-regulated some pattern recognition receptors involved in innate immunity. Our proteomics data represent a comprehensive analysis of A. phagocytophilum and E. chaffeensis proteomes, and provide a quantitative view of human host protein expression profiles regulated by bacterial infection. The availability of these proteomic data will provide new insights into biology and pathogenesis of these obligatory intracellular pathogens.
C1 [Lin, Mingqun; Kikuchi, Takane; Rikihisa, Yasuko] Ohio State Univ, Dept Vet Biosci, Columbus, OH 43210 USA.
[Brewer, Heather M.; Norbeck, Angela D.] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99352 USA.
RP Rikihisa, Y (reprint author), Ohio State Univ, Dept Vet Biosci, 1925 Coffey Rd, Columbus, OH 43210 USA.
EM rikihisa.1@osu.edu
FU DOE by Battelle Memorial Institute [DE-AC05-76RLO-1830]; National
Institute of Allergy and Infectious Diseases (NIH/DHHS) [Y1-AI-4894-01];
NIH [R01 AI030010, R01 AI047885]
FX Proteomics analysis was performed in the Environmental Molecular Science
Laboratory, a U.S. Department of Energy (DOE) national scientific user
facility at Pacific Northwest National Laboratory (PNNL) in Richland,
Washington. PNNL is operated for the DOE by Battelle Memorial Institute
under contract DE-AC05-76RLO-1830. This research was funded by the
National Institute of Allergy and Infectious Diseases (NIH/DHHS) through
interagency agreement Y1-AI-4894-01 to PNNL, and synergized with NIH
grants R01 AI030010 and R01 AI047885 to Yasuko Rikihisa.
NR 90
TC 35
Z9 36
U1 2
U2 4
PU FRONTIERS RESEARCH FOUNDATION
PI LAUSANNE
PA PO BOX 110, LAUSANNE, 1015, SWITZERLAND
SN 1664-302X
J9 FRONT MICROBIOL
JI Front. Microbiol.
PY 2011
VL 2
AR 24
DI 10.3389/fmicb.2011.00024
PG 19
WC Microbiology
SC Microbiology
GA V31DE
UT WOS:000208863500034
PM 21687416
ER
PT J
AU McDermott, JE
Yoon, H
Nakayasu, ES
Metz, TO
Hyduke, DR
Kidwai, AS
Palsson, BO
Adkins, JN
Heffron, F
AF McDermott, Jason E.
Yoon, Hyunjin
Nakayasu, Ernesto S.
Metz, Thomas O.
Hyduke, Daniel R.
Kidwai, Afshan S.
Palsson, Bernhard O.
Adkins, Joshua N.
Heffron, Fred
TI Technologies and approaches to elucidate and model the virulence program
of Salmonella
SO FRONTIERS IN MICROBIOLOGY
LA English
DT Review
DE Salmonella; virulence; regulatory network; regulators; transcriptomics;
proteomics; computational modeling
AB Salmonella is a primary cause of enteric diseases in a variety of animals. During its evolution into a pathogenic bacterium, Salmonella acquired an elaborate regulatory network that responds to multiple environmental stimuli within host animals and integrates them resulting in fine regulation of the virulence program. The coordinated action by this regulatory network involves numerous virulence regulators, necessitating genome-wide profiling analysis to assess and combine efforts from multiple regulons. In this review we discuss recent high-throughput analytic approaches used to understand the regulatory network of Salmonella that controls virulence processes. Application of high-throughput analyses have generated large amounts of data and necessitated the development of computational approaches for data integration. Therefore, we also cover computer-aided network analyses to infer regulatory networks, and demonstrate how genome-scale data can be used to construct regulatory and metabolic systems models of Salmonella pathogenesis. Genes that are coordinately controlled by multiple virulence regulators under infectious conditions are more likely to be important for pathogenesis. Thus, reconstructing the global regulatory network during infection or, at the very least, under conditions that mimic the host cellular environment not only provides a bird's eye view of Salmonella survival strategy in response to hostile host environments but also serves as an efficient means to identify novel virulence factors that are essential for Salmonella to accomplish systemic infection in the host.
C1 [McDermott, Jason E.] Pacific NW Natl Lab, Computat Biol & Bioinformat Grp, Richland, WA 99352 USA.
[Yoon, Hyunjin; Kidwai, Afshan S.; Heffron, Fred] Oregon Hlth & Sci Univ, Dept Mol Microbiol & Immunol, Portland, OR 97201 USA.
[Nakayasu, Ernesto S.; Metz, Thomas O.; Adkins, Joshua N.] Pacific NW Natl Lab, Biol Separat & Mass Spect Grp, Richland, WA 99352 USA.
[Hyduke, Daniel R.; Palsson, Bernhard O.] Univ Calif San Diego, San Diego, CA 92103 USA.
RP McDermott, JE (reprint author), Pacific NW Natl Lab, Computat Biol & Bioinformat Grp, 902 Battelle Blvd, Richland, WA 99352 USA.
EM jason.mcdermott@pnl.gov
OI Adkins, Joshua/0000-0003-0399-0700; McDermott,
Jason/0000-0003-2961-2572; Metz, Tom/0000-0001-6049-3968
FU National Institute of Allergy and Infectious Diseases, NIH/DHHS
[Y1-AI-8401-01]; NIH [RO1 AI022933]
FX This work was supported by the National Institute of Allergy and
Infectious Diseases, NIH/DHHS, through interagency agreement
Y1-AI-8401-01 and NIH RO1 AI022933.
NR 176
TC 10
Z9 10
U1 1
U2 8
PU FRONTIERS RESEARCH FOUNDATION
PI LAUSANNE
PA PO BOX 110, LAUSANNE, 1015, SWITZERLAND
SN 1664-302X
J9 FRONT MICROBIOL
JI Front. Microbiol.
PY 2011
VL 2
AR 121
DI 10.3389/fmicb.2011.00121
PG 14
WC Microbiology
SC Microbiology
GA V31DE
UT WOS:000208863500131
PM 21687430
ER
PT J
AU Techtmann, SM
Colman, AS
Murphy, MB
Schackwitz, WS
Goodwin, LA
Robb, FT
AF Techtmann, Stephen M.
Colman, Albert S.
Murphy, Michael B.
Schackwitz, Wendy S.
Goodwin, Lynne A.
Robb, Frank T.
TI Regulation of multiple carbon monoxide consumption pathways in anaerobic
bacteria
SO FRONTIERS IN MICROBIOLOGY
LA English
DT Article
DE carbon monoxide; thermophiles; hydrogenogens; carboxydotrophs;
Carboxydothermus hydrogenoformans; carbon monoxide dehydrogenase; CooA
AB Carbon monoxide (CO), well known as a toxic gas, is increasingly recognized as a key metabolite and signaling molecule. Microbial utilization of CO is quite common, evidenced by the rapid escalation in description of new species of CO-utilizing bacteria and archaea. Carbon monoxide dehydrogenase (CODH), the protein complex that enables anaerobic CO-utilization, has been well-characterized from an increasing number of microorganisms, however the regulation of multiple CO-related gene clusters in single isolates remains unexplored. Many species are extraordinarily resistant to high CO concentrations, thriving under pure CO at more than one atmosphere. We hypothesized that, in strains that can grow exclusively on CO, both carbon acquisition via the CODH/acetyl CoA synthase complex and energy conservation via a CODH-linked hydrogenase must be differentially regulated in response to the availability of CO. The CO-sensing transcriptional activator, CooA is present in most CO-oxidizing bacteria. Here we present a genomic and phylogenetic survey of CODH operons and cooA genes found in CooA-containing bacteria. Two distinct groups of CooA homologs were found: one clade (CooA-1) is found in the majority of CooA-containing bacteria, whereas the other clade (CooA-2) is found only in genomes that encode multiple CODH clusters, suggesting that the CooA-2 might be important for cross-regulation of competing CODH operons. Recombinant CooA-1 and CooA-2 regulators from the prototypical CO-utilizing bacterium Carboxydothermus hydrogenoformans were purified, and promoter binding analyses revealed that CooA-1 specifically regulates the hydrogenase-linked CODH, whereas CooA-2 is able to regulate both the hydrogenase-linked CODH and the CODH/ACS operons. These studies point to the ability of dual CooA homologs to partition CO into divergent CO-utilizing pathways resulting in efficient consumption of a single limiting growth substrate available across a wide range of concentrations.
C1 [Techtmann, Stephen M.; Robb, Frank T.] Univ Maryland, Inst Marine & Environm Technol, Baltimore, MD 21202 USA.
[Colman, Albert S.] Univ Chicago, Dept Geophys Sci, Chicago, IL 60637 USA.
[Murphy, Michael B.] GE Healthcare, Piscataway, NJ USA.
[Schackwitz, Wendy S.] Joint Genome Inst, Dept Energy, Walnut Creek, CA USA.
[Goodwin, Lynne A.] Los Alamos Natl Lab, Joint Genome Inst, Los Alamos, NM USA.
RP Robb, FT (reprint author), Univ Maryland, Inst Marine & Environm Technol, 701 East Pratt St, Baltimore, MD 21202 USA.
EM frobb@som.umaryland.edu
OI Robb, Frank/0000-0001-5833-6496
FU US National Science Foundation [EAR 0747394, EAR 0747412, MCB 0605301];
Office of Science of the U.S. Department of Energy [DE-AC02-5CH11231]
FX This work was funded by the US National Science Foundation through award
numbers EAR 0747394 (Frank T. Robb), EAR 0747412 (Albert S. Colman), and
MCB 0605301 (Frank T. Robb and Albert S. Colman). The work conducted by
the U.S. Department of Energy Joint Genome Institute is supported by the
Office of Science of the U.S. Department of Energy under Contract No.
DE-AC02-5CH11231.
NR 49
TC 9
Z9 10
U1 0
U2 8
PU FRONTIERS RESEARCH FOUNDATION
PI LAUSANNE
PA PO BOX 110, LAUSANNE, 1015, SWITZERLAND
SN 1664-302X
J9 FRONT MICROBIOL
JI Front. Microbiol.
PY 2011
VL 2
DI 10.3389/fmicb.2011.00147
PG 12
WC Microbiology
SC Microbiology
GA V31DE
UT WOS:000208863500157
PM 21808633
ER
PT J
AU Heazlewood, JL
AF Heazlewood, Joshua L.
TI The Green proteome: challenges in plant proteomics
SO FRONTIERS IN PLANT SCIENCE
LA English
DT Editorial Material
C1 [Heazlewood, Joshua L.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Joint BioEnergy Inst, Berkeley, CA 94720 USA.
[Heazlewood, Joshua L.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
RP Heazlewood, JL (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Joint BioEnergy Inst, Berkeley, CA 94720 USA.
EM jlheazlewood@lbl.gov
RI Heazlewood, Joshua/A-2554-2008
OI Heazlewood, Joshua/0000-0002-2080-3826
NR 42
TC 14
Z9 14
U1 0
U2 4
PU FRONTIERS RESEARCH FOUNDATION
PI LAUSANNE
PA PO BOX 110, LAUSANNE, 1015, SWITZERLAND
SN 1664-462X
J9 FRONT PLANT SCI
JI Front. Plant Sci.
PY 2011
VL 2
AR 6
DI 10.3389/fpls.2011.00006
PG 3
WC Plant Sciences
SC Plant Sciences
GA V30TE
UT WOS:000208837500006
PM 22639573
ER
PT J
AU Kaur, N
Hu, JP
AF Kaur, Navneet
Hu, Jianping
TI Defining the plant peroxisomal proteome: from Arabidopsis to rice
SO FRONTIERS IN PLANT SCIENCE
LA English
DT Review
DE peroxisome; proteomics; Arabidopsis; rice
AB Peroxisomes are small subcellular organelles mediating a multitude of processes in plants. Proteomics studies over the last several years have yielded much needed information on the composition of plant peroxisomes. In this review, the status of peroxisome proteomics studies in Arabidopsis and other plant species and the cumulative advances made through these studies are summarized. A reference Arabidopsis peroxisome proteome is generated, and some unique aspects of Arabidopsis peroxisomes that were uncovered through proteomics studies and hint at unanticipated peroxisomal functions are also highlighted. Knowledge gained from Arabidopsis was utilized to compile a tentative list of peroxisome proteins for the model monocot plant, rice. Differences in the peroxisomal proteome between these two model plants were drawn, and novel facets in rice were expounded upon. Finally, we discuss about the current limitations of experimental proteomics in decoding the complete and dynamic makeup of peroxisomes, and complementary and integrated approaches that would be beneficial to defining the peroxisomal metabolic and regulatory roadmaps. The synteny of genomes in the grass family makes rice an ideal model to study peroxisomes in cereal crops, in which these organelles have received much less attention, with the ultimate goal to improve crop yield.
C1 [Kaur, Navneet; Hu, Jianping] Michigan State Univ, MSU DOE Plant Res Lab, E Lansing, MI 48824 USA.
[Hu, Jianping] Michigan State Univ, Dept Plant Biol, E Lansing, MI 48824 USA.
RP Hu, JP (reprint author), Michigan State Univ, MSU DOE Plant Res Lab, E Lansing, MI 48824 USA.
EM huji@msu.edu
FU National Science Foundation [MCB 0618335]; Chemical Sciences,
Geosciences and Biosciences Division, Office of Basic Energy Sciences,
Office of Science, U.S. Department of Energy [DE-FG02-91 ER20021]
FX We apologize to those colleagues whose works are not covered in [his
review. Work in the Hu lab was supported by grants from the National
Science Foundation (MCB 0618335) and the Chemical Sciences, Geosciences
and Biosciences Division, Office of Basic Energy Sciences, Office of
Science, U.S. Department of Energy (DE-FG02-91 ER20021) to Jianping Hu.
NR 247
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U1 1
U2 8
PU FRONTIERS RESEARCH FOUNDATION
PI LAUSANNE
PA PO BOX 110, LAUSANNE, 1015, SWITZERLAND
SN 1664-462X
J9 FRONT PLANT SCI
JI Front. Plant Sci.
PY 2011
VL 2
AR 103
DI 10.3389/fpls.2011.00103
PG 20
WC Plant Sciences
SC Plant Sciences
GA V30TE
UT WOS:000208837500103
PM 22645559
ER
PT J
AU Narayanan, NN
Ihemere, U
Chiu, WT
Siritunga, D
Rajamani, S
Singh, S
Oda, S
Sayre, RT
AF Narayanan, Narayanan N.
Ihemere, Uzoma
Chiu, Wai Ting
Siritunga, Dimuth
Rajamani, Sathish
Singh, Sareena
Oda, Saharu
Sayre, Richard T.
TI The iron assimilatory protein, FEA1, from Chlamydomonas reinhardtii
facilitates iron-specific metal uptake in yeast and plants
SO FRONTIERS IN PLANT SCIENCE
LA English
DT Article
DE FEA1; iron uptake; yeast; Arabidopsis thaliana
AB We demonstrate that the unique green algal iron assimilatory protein, FEA1, is able to complement the Arabidopsis iron-transporter mutant, irt1, as well as enhance iron accumulation in FEA1 expressing wild-type plants. Expression of the FEA1 protein reduced iron-deficient growth phenotypes when plants were grown under iron limiting conditions and enhanced iron accumulation up to fivefold relative to wild-type plants when grown in iron sufficient media. Using yeast iron-uptake mutants, we demonstrate that the FEA1 protein specifically facilitates the uptake of the ferrous form of iron. Significantly, the FEA1 protein does not increase sensitivity to toxic concentrations of competing, non-ferrous metals nor facilitate their (cadmium) accumulation. These results indicate that the FEA1 protein is iron specific consistent with the observation the FEA1 protein is overexpressed in cadmium stressed algae presumably to facilitate iron uptake. We propose that the FEA1 iron assimilatory protein has ideal characteristics for the iron biofortification of crops and/or for facilitated iron uptake in plants when they are grown in low iron, high pH soils, or soils that may be contaminated with heavy metals.
C1 [Narayanan, Narayanan N.; Ihemere, Uzoma; Sayre, Richard T.] Donald Danforth Plant Sci Ctr, St Louis, MO USA.
[Chiu, Wai Ting; Rajamani, Sathish; Singh, Sareena; Oda, Saharu] Ohio State Univ, Dept Plant Cellular & Mol Biol, Columbus, OH 43210 USA.
[Siritunga, Dimuth] Univ Puerto Rico, Dept Biol, Mayaguez, PR USA.
RP Sayre, RT (reprint author), Los Alamos Natl Lab, New Mexico Consortium, 4200 W Jemez Rd,Suite 202, Los Alamos, NM 87544 USA.
EM rsayre@newmexicoconsortium.org
OI Sayre, Richard/0000-0002-3153-7084
FU Ohio Sea Grant (NOAA); Bill and Melinda Gates Foundation for BioCassava
Plus Project
FX Drs. Narayanan and Ihemere contributed equally to this work, We are
grateful to Dr. Caroline Philpott, NIH, MD, USA for all the mutant yeast
strains. Technical assistance from Richard A. Gallenstein is greatly
appreciated. This research was supported by Ohio Sea Grant (NOAA) and
the Bill and Melinda Gates Foundation for BioCassava Plus Project.
NR 55
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U1 1
U2 10
PU FRONTIERS RESEARCH FOUNDATION
PI LAUSANNE
PA PO BOX 110, LAUSANNE, 1015, SWITZERLAND
SN 1664-462X
J9 FRONT PLANT SCI
JI Front. Plant Sci.
PY 2011
VL 2
AR 67
DI 10.3389/fpls.2011.00067
PG 13
WC Plant Sciences
SC Plant Sciences
GA V30TE
UT WOS:000208837500067
PM 22639604
ER
PT J
AU Schwender, J
AF Schwender, Joerg
TI Experimental flux measurements on a network scale
SO FRONTIERS IN PLANT SCIENCE
LA English
DT Article
DE C-13-metabolic flux analysis; primary metabolism; flux balance analysis;
carbon partitioning; constraint-based model
AB Metabolic flux is a fundamental property of living organisms. In recent years, methods for measuring metabolic flux in plants on a network scale have evolved further. One major challenge in studying flux in plants is the complexity of the plant's metabolism. In particular, in the presence of parallel pathways in multiple cellular compartments, the core of plant central metabolism constitutes a complex network. Hence, a common problem with the reliability of the contemporary results of C-13-Metabolic Flux Analysis in plants is the substantial reduction in complexity that must be included in the simulated networks; this omission partly is due to limitations in computational simulations. Here, I discuss recent emerging strategies that will better address these shortcomings.
C1 Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA.
RP Schwender, J (reprint author), Brookhaven Natl Lab, Dept Biol, Bldg 463, Upton, NY 11973 USA.
EM schwend@bnl.gov
RI Schwender, Jorg/P-2282-2014
OI Schwender, Jorg/0000-0003-1350-4171
FU U.S. Department of Energy (Division of Chemical Sciences, Geosciences,
and Biosciences, Office of Basic Energy Sciences) [BO-133]
FX Current funding from the U.S. Department of Energy (Division of Chemical
Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences,
Held Work Proposal BO-133) as well as by Bayer Bioscience is much
appreciated. I like to thank Avril Woodhead (Brookhaven National
Laboratory) for English language edits.
NR 70
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U1 0
U2 5
PU FRONTIERS RESEARCH FOUNDATION
PI LAUSANNE
PA PO BOX 110, LAUSANNE, 1015, SWITZERLAND
SN 1664-462X
J9 FRONT PLANT SCI
JI Front. Plant Sci.
PY 2011
VL 2
AR 63
DI 10.3389/fpls.2011.00063
PG 7
WC Plant Sciences
SC Plant Sciences
GA V30TE
UT WOS:000208837500063
PM 22639602
ER
PT J
AU Park, S
Popov, BN
AF Park, Sehkyu
Popov, Branko N.
TI Effect of a GDL based on carbon paper or carbon cloth on PEM fuel cell
performance
SO FUEL
LA English
DT Article
DE Proton exchange membrane fuel cells; Gas diffusion layer; Carbon paper;
Carbon cloth; Microporous layer
ID GAS-DIFFUSION LAYER; MICROPOROUS LAYER; WATER MANAGEMENT; ELECTRODES;
IMPROVEMENT; MORPHOLOGY; PRESSURE
AB A commercially available GDL based on carbon paper or carbon cloth as a macroporous substrate was characterized by various physical and electrochemical measurements: mercury porosimetry, surface morphology analysis, contact angle measurement, water permeation measurement, polarization techniques, and ac-impedance spectroscopy. SGL 10BB based on carbon paper demonstrated dual pore size distribution and high water flow resistance owing to less permeable macroporous substrate, and more hydrophobic and compact microporous layer, as compared to ELAT-LT-1400 W based on carbon cloth. The membrane-electrode-assembly fabricated using SGL 10BB showed an improved fuel cell performance when air was used as an oxidant. The ac-impedance response indicated that a microporous layer which has high volume of micropores and more hydrophobic property allows oxygen to readily diffuse towards the catalyst layer due to effective water removal from the catalyst layer to the gas flow channel. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Park, Sehkyu; Popov, Branko N.] Univ S Carolina, Dept Chem Engn, Ctr Electrochem Engn, Columbia, SC 29208 USA.
RP Park, S (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
EM sehkyu.park@pnl.gov
RI Park, Sehkyu/E-5153-2010
FU FUJIFILM Manufacturing U.S.A., Inc.
FX Financial support provided by FUJIFILM Manufacturing U.S.A., Inc. is
acknowledged gratefully.
NR 26
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U1 2
U2 27
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0016-2361
J9 FUEL
JI Fuel
PD JAN
PY 2011
VL 90
IS 1
BP 436
EP 440
DI 10.1016/j.fuel.2010.09.003
PG 5
WC Energy & Fuels; Engineering, Chemical
SC Energy & Fuels; Engineering
GA 679GP
UT WOS:000284150200055
ER
PT J
AU Shekhawat, D
Berry, DA
Spivey, JJ
AF Shekhawat, Dushyant
Berry, David A.
Spivey, James J.
BE Shekhawat, D
Spivey, JJ
Berry, DA
TI Introduction to Fuel Processing
SO FUEL CELLS: TECHNOLOGIES FOR FUEL PROCESSING
LA English
DT Editorial Material; Book Chapter
ID AUXILIARY POWER UNITS; HYDROGEN-PRODUCTION; CELL SYSTEMS; THERMODYNAMIC
ANALYSIS; PARTIAL-OXIDATION; RESIDENTIAL APPLICATIONS; DIMETHYL ETHER;
ECONOMICS; CATALYSTS; DIESEL
C1 [Shekhawat, Dushyant; Berry, David A.] US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA.
[Spivey, James J.] Louisiana State Univ, Dept Chem Engn, Baton Rouge, LA 70803 USA.
RP Shekhawat, D (reprint author), US DOE, Natl Energy Technol Lab, 3610 Collins Ferry Rd, Morgantown, WV 26507 USA.
EM dushyant.shekhawat@netl.doe.gov; david.berry@netl.doe.gov;
jjspivey@lsu.edu
NR 59
TC 4
Z9 4
U1 0
U2 2
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
BN 978-0-444-53564-1
PY 2011
BP 1
EP 9
DI 10.1016/B978-0-444-53563-4.10001-X
PG 9
WC Electrochemistry; Energy & Fuels
SC Electrochemistry; Energy & Fuels
GA BEM70
UT WOS:000317387900002
ER
PT J
AU Shekhawat, D
Spivey, JJ
Berry, DA
AF Shekhawat, Dushyant
Spivey, James J.
Berry, David A.
BE Shekhawat, D
Spivey, JJ
Berry, DA
TI FUEL CELLS: TECHNOLOGIES FOR FUEL PROCESSING Preface
SO FUEL CELLS: TECHNOLOGIES FOR FUEL PROCESSING
LA English
DT Editorial Material; Book Chapter
C1 [Shekhawat, Dushyant; Berry, David A.] US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA.
[Spivey, James J.] Louisiana State Univ, Gordon A & Mary Cain Dept Chem Engn, Baton Rouge, LA 70803 USA.
RP Shekhawat, D (reprint author), US DOE, Natl Energy Technol Lab, 3610 Collins Ferry Rd, Morgantown, WV 26507 USA.
EM dushyant.shekhawat@netl.doe.gov; jjspivey@lsu.edu;
david.berry@netl.doe.gov
NR 0
TC 0
Z9 0
U1 0
U2 1
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
BN 978-0-444-53564-1
PY 2011
BP VII
EP VIII
PG 2
WC Electrochemistry; Energy & Fuels
SC Electrochemistry; Energy & Fuels
GA BEM70
UT WOS:000317387900001
ER
PT J
AU Williams, MC
AF Williams, Mark C.
BE Shekhawat, D
Spivey, JJ
Berry, DA
TI Fuel Cells
SO FUEL CELLS: TECHNOLOGIES FOR FUEL PROCESSING
LA English
DT Article; Book Chapter
ID ELECTROLYTES; CARBON
C1 Natl Energy Technol Lab, Morgantown, WV 26507 USA.
RP Williams, MC (reprint author), Natl Energy Technol Lab, 3610 Collins Ferry Rd, Morgantown, WV 26507 USA.
EM mark.williams@ur.netl.doe.gov
NR 32
TC 3
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U1 0
U2 1
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
BN 978-0-444-53564-1
PY 2011
BP 11
EP 27
DI 10.1016/B978-0-444-53563-4.10002-1
PG 17
WC Electrochemistry; Energy & Fuels
SC Electrochemistry; Energy & Fuels
GA BEM70
UT WOS:000317387900003
ER
PT J
AU Smith, MW
Shekhawat, D
AF Smith, Mark W.
Shekhawat, Dushyant
BE Shekhawat, D
Spivey, JJ
Berry, DA
TI Catalytic Partial Oxidation
SO FUEL CELLS: TECHNOLOGIES FOR FUEL PROCESSING
LA English
DT Article; Book Chapter
ID SYNTHESIS GAS-FORMATION; SPATIALLY-RESOLVED MEASUREMENTS; HEAT-TRANSPORT
LIMITATIONS; METHANOL PARTIAL OXIDATION; METAL COATED MONOLITHS;
FUEL-CELL APPLICATIONS; FLUIDIZED-BED REACTOR; HYDROGEN-PRODUCTION;
CARBON-DIOXIDE; DIMETHYL ETHER
C1 [Smith, Mark W.; Shekhawat, Dushyant] US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA.
RP Smith, MW (reprint author), US DOE, Natl Energy Technol Lab, 3610 Collins Ferry Rd, Morgantown, WV 26507 USA.
EM mark.smith@netl.doe.gov; dushyant.shekhawat@netl.doe.gov
NR 148
TC 6
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U1 0
U2 0
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
BN 978-0-444-53564-1
PY 2011
BP 73
EP 128
DI 10.1016/B978-0-444-53563-4.10005-7
PG 56
WC Electrochemistry; Energy & Fuels
SC Electrochemistry; Energy & Fuels
GA BEM70
UT WOS:000317387900006
ER
PT J
AU Haynes, DJ
Shekhawat, D
AF Haynes, Daniel J.
Shekhawat, Dushyant
BE Shekhawat, D
Spivey, JJ
Berry, DA
TI Oxidative Steam Reforming
SO FUEL CELLS: TECHNOLOGIES FOR FUEL PROCESSING
LA English
DT Article; Book Chapter
ID CATALYTIC PARTIAL OXIDATION; FUEL-CELL APPLICATIONS; NOBLE-METAL
CATALYSTS; METHANE PARTIAL OXIDATION; ALUMINA-SUPPORTED NI;
WATER-GAS-SHIFT; QUALITY NATURAL-GAS; MGO SOLID-SOLUTION;
HYDROGEN-PRODUCTION; THERMODYNAMIC ANALYSIS
C1 [Haynes, Daniel J.; Shekhawat, Dushyant] US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA.
RP Haynes, DJ (reprint author), US DOE, Natl Energy Technol Lab, 3610 Collins Ferry Rd, Morgantown, WV 26507 USA.
EM daniel.haynes@netl.doe.gov; dushyant.shekhawat@netl.doe.gov
NR 242
TC 11
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U1 0
U2 1
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
BN 978-0-444-53564-1
PY 2011
BP 129
EP 190
DI 10.1016/B978-0-444-53563-4.10006-9
PG 62
WC Electrochemistry; Energy & Fuels
SC Electrochemistry; Energy & Fuels
GA BEM70
UT WOS:000317387900007
ER
PT B
AU Gallagher, MJ
Fridman, A
AF Gallagher, Michael J., Jr.
Fridman, Alexander
BE Shekhawat, D
Spivey, JJ
Berry, DA
TI Plasma Reforming for H-2-Rich Synthesis Gas
SO FUEL CELLS: TECHNOLOGIES FOR FUEL PROCESSING
LA English
DT Article; Book Chapter
ID DIELECTRIC BARRIER DISCHARGE; VIBRATIONALLY EXCITED METHANE; ASSISTED
PARTIAL OXIDATION; NONTHERMAL-PLASMA; ATMOSPHERIC-PRESSURE;
HYDROGEN-PRODUCTION; NANOSECOND DISCHARGE; ELECTRIC-DISCHARGE;
HYDROCARBON FUELS; SYNGAS PRODUCTION
C1 [Gallagher, Michael J., Jr.] US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA.
[Fridman, Alexander] Drexel Univ, AJ Drexel Plasma Inst, Philadelphia, PA 19104 USA.
RP Gallagher, MJ (reprint author), US DOE, Natl Energy Technol Lab, 3610 Collins Ferry Rd, Morgantown, WV 26507 USA.
EM michael.gallagher@ur.netl.doe.gov; af55@drexel.edu
NR 109
TC 3
Z9 3
U1 0
U2 2
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
BN 978-0-444-53564-1; 978-0-444-53563-4
PY 2011
BP 223
EP 259
DI 10.1016/B978-0-444-53563-4.10008-2
PG 37
WC Electrochemistry; Energy & Fuels
SC Electrochemistry; Energy & Fuels
GA BEM70
UT WOS:000317387900009
ER
PT J
AU Shekhawat, D
AF Shekhawat, Dushyant
BE Shekhawat, D
Spivey, JJ
Berry, DA
TI Nonconventional Reforming Methods
SO FUEL CELLS: TECHNOLOGIES FOR FUEL PROCESSING
LA English
DT Article; Book Chapter
ID SUPERCRITICAL-WATER OXIDATION; FUEL-CELL APPLICATIONS; RANEY-TYPE
CATALYSTS; HYDROGEN-PRODUCTION; METHANE DECOMPOSITION; POROUS-MEDIA;
FILAMENTOUS CARBON; ACTIVATED CARBONS; LOW-TEMPERATURE; THERMOCATALYTIC
DECOMPOSITION
C1 US DOE, Natl Energy Technol Lab, Morgantown, WV 26507 USA.
RP Shekhawat, D (reprint author), US DOE, Natl Energy Technol Lab, 3610 Collins Ferry Rd, Morgantown, WV 26507 USA.
EM dushyant.shekhawat@netl.doe.gov
NR 96
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U1 0
U2 2
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
BN 978-0-444-53564-1
PY 2011
BP 261
EP 283
DI 10.1016/B978-0-444-53563-4.10009-4
PG 23
WC Electrochemistry; Energy & Fuels
SC Electrochemistry; Energy & Fuels
GA BEM70
UT WOS:000317387900010
ER
PT B
AU Dagle, RA
Karim, A
Li, GS
Su, Y
King, DL
AF Dagle, Robert A.
Karim, Ayman
Li, Guosheng
Su, Yu
King, David L.
BE Shekhawat, D
Spivey, JJ
Berry, DA
TI Syngas Conditioning
SO FUEL CELLS: TECHNOLOGIES FOR FUEL PROCESSING
LA English
DT Article; Book Chapter
ID WATER-GAS-SHIFT; PREFERENTIAL CO OXIDATION; NOBLE-METAL CATALYSTS;
FUEL-CELL APPLICATIONS; HYDROGEN-RICH GAS; CARBON-MONOXIDE OXIDATION;
LOW-TEMPERATURE OXIDATION; COPPER MANGANESE OXIDE; IRON-BASED CATALYSTS;
SUPPORTED GOLD NANOPARTICLES
C1 [Dagle, Robert A.; Karim, Ayman; Li, Guosheng; Su, Yu; King, David L.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Dagle, RA (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd, Richland, WA 99352 USA.
EM robert.dagle@pnl.gov; ayman.karim@pnl.gov; guosheng.li@pnl.gov;
david.king@pnl.gov
NR 239
TC 1
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U1 0
U2 1
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
BN 978-0-444-53564-1; 978-0-444-53563-4
PY 2011
BP 361
EP 408
DI 10.1016/B978-0-444-53563-4.10012-4
PG 48
WC Electrochemistry; Energy & Fuels
SC Electrochemistry; Energy & Fuels
GA BEM70
UT WOS:000317387900013
ER
PT J
AU Hakala, JA
Stanchina, W
Soong, Y
Hedges, S
AF Hakala, J. Alexandra
Stanchina, William
Soong, Yee
Hedges, Sheila
TI Influence of frequency, grade, moisture and temperature on Green River
oil shale dielectric properties and electromagnetic heating processes
SO FUEL PROCESSING TECHNOLOGY
LA English
DT Review
DE Oil shale; Electromagnetic; EM; Radio frequency; Microwave; Water; In
situ retorting
ID ELECTRICAL SPECTROSCOPY; COMPLEX PERMITTIVITY; MICROWAVE PYROLYSIS; COAL
GRINDABILITY; POROUS ROCKS; WATER; MODEL; SOIL; CONDUCTIVITY; CONSTANTS
AB Development of in situ electromagnetic (EM) retorting technologies and design of specific EM well logging tools requires an understanding of various process parameters (applied frequency, mineral phases present, water content, organic content and temperature) on oil shale dielectric properties. In this literature review on oil shale dielectric properties, we found that at low temperatures (<200 degrees C) and constant oil shale grade, both the relative dielectric constant (epsilon') and imaginary permittivity (epsilon '') decrease with increased frequency and remain constant at higher frequencies. At low temperature and constant frequency, epsilon' decreases or remains constant with oil shale grade, while epsilon '' increases or shows no trend with oil shale grade. At higher temperatures (>200 degrees C) and constant frequency, epsilon' generally increases with temperature regardless of grade while epsilon '' fluctuates. At these temperatures, maximum values for both epsilon' and epsilon '' differ based upon oil shale grade. Formation fluids, mineral-bound water, and oil shale varve geometry also affect measured dielectric properties. This review presents and synthesizes prior work on the influence of applied frequency, oil shale grade, water, and temperature on the dielectric properties of oil shales that can aid in the future development of frequency- and temperature-specific in situ retorting technologies and oil shale grade assay tools. Published by Elsevier B.V.
C1 [Hakala, J. Alexandra; Stanchina, William; Soong, Yee; Hedges, Sheila] Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Stanchina, William] Univ Pittsburgh, Dept Elect & Comp Engn, Pittsburgh, PA 15261 USA.
RP Hakala, JA (reprint author), Natl Energy Technol Lab, 626 Cochrans Mill Rd,POB 10940, Pittsburgh, PA 15236 USA.
EM Jacqueline.Hakala@netl.doe.gov
OI Stanchina, William/0000-0002-1942-5805
FU U.S. Department of Energy, Office of Fossil Energy
FX This work was funded by the U.S. Department of Energy, Office of Fossil
Energy Complementary Program Research Funds, Section 999 of the U.S.
Energy Policy Act of 2005. We thank John Larsen and T. Robert McLendon
for helpful discussions regarding oil shale geochemistry and in situ oil
shale processing technologies. Any opinions, findings, conclusions, or
recommendations expressed herein are those of the authors and do not
necessarily reflect the views of the sponsors. Reference in this paper
to any specific commercial product, process, or service is to facilitate
understanding and does not imply endorsement by the United States
Department of Energy.
NR 111
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PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-3820
J9 FUEL PROCESS TECHNOL
JI Fuel Process. Technol.
PD JAN
PY 2011
VL 92
IS 1
BP 1
EP 12
DI 10.1016/j.fuproc.2010.08.016
PG 12
WC Chemistry, Applied; Energy & Fuels; Engineering, Chemical
SC Chemistry; Energy & Fuels; Engineering
GA 686CD
UT WOS:000284673500001
ER
PT S
AU Baker, SE
Panisko, EA
AF Baker, Scott E.
Panisko, Ellen A.
BE Xu, JR
Bluhm, BH
TI Proteome Studies of Filamentous Fungi
SO FUNGAL GENOMICS: METHODS AND PROTOCOLS
SE Methods in Molecular Biology
LA English
DT Article; Book Chapter
DE Proteomics; Fungi; Pigments; Gene models
ID QUANTITATIVE MASS-SPECTROMETRY
AB The continued fast pace of fungal genome sequence generation has enabled proteomic analysis of a wide variety of organisms that span the breadth of the Kingdom Fungi. There is some phylogenetic bias to the current catalog of fungi with reasonable DNA sequence databases (genomic or EST) that could be analyzed at a global proteomic level. However, the rapid development of next generation sequencing platforms has lowered the cost of genome sequencing such that in the near future, having a genome sequence will no longer be a time or cost bottleneck for downstream proteomic (and transcriptomic) analyses. High throughput, nongel-based proteomics offers a snapshot of proteins present in a given sample at a single point in time. There are a number of variations on the general methods and technologies for identifying peptides in a given sample. We present a method that can serve as a "baseline" for proteomic studies of fungi.
C1 [Baker, Scott E.; Panisko, Ellen A.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Baker, SE (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
NR 9
TC 0
Z9 0
U1 0
U2 1
PU HUMANA PRESS INC
PI TOTOWA
PA 999 RIVERVIEW DR, STE 208, TOTOWA, NJ 07512-1165 USA
SN 1064-3745
BN 978-1-61779-039-3
J9 METHODS MOL BIOL
JI Methods Mol. Biol.
PY 2011
VL 722
BP 133
EP 139
DI 10.1007/978-1-61779-040-9_9
D2 10.1007/978-1-61779-040-9
PG 7
WC Biochemical Research Methods; Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA BVG85
UT WOS:000291502500009
PM 21590417
ER
PT J
AU Tillack, MS
Raffray, AR
Wang, XR
Malang, S
Abdel-Khalik, S
Yoda, M
Youchison, D
AF Tillack, M. S.
Raffray, A. R.
Wang, X. R.
Malang, S.
Abdel-Khalik, S.
Yoda, M.
Youchison, D.
TI Recent US activities on advanced He-cooled W-alloy divertor concepts for
fusion power plants
SO FUSION ENGINEERING AND DESIGN
LA English
DT Article
DE Divertor; High heat flux; Power plant; Helium; Tungsten
ID ARIES-CS; THERMAL PERFORMANCE; DESIGN; TUBE; EXCHANGER; DEMO
AB Several advanced He-cooled W-alloy divertor concepts have been considered recently for power plant applications. They range in scale from a plate configuration with characteristic dimension of the order of 1 m, to the ARIES-CS T-tube configuration with characteristic dimension of the order of 10 cm, to the EU FZK finger concept with characteristic dimension of the order of 1.5 cm. The trend in moving to smaller-scale units is aimed at minimizing the thermal stress under a given heat load; however, this is done at the expense of increasing the number of units, with a corresponding impact on the reliability of the system. The possibility of optimizing the design by combining different configurations in an integrated design, based on the anticipated divertor heat flux profile, also has been proposed. Several heat transfer enhancement schemes have been considered in these designs, including slot jet, multi-hole jet, porous media and pin arrays. This paper summarizes recent US efforts in this area, including optimization and assessment of the different concepts under power plant conditions. Analytical and experimental studies of the concepts and cooling schemes are presented. Key issues are identified and discussed to help guide future R&D, including fabrication, joining, material behavior under the fusion environment and impact of design choice on reliability. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Tillack, M. S.; Raffray, A. R.; Wang, X. R.] Univ Calif San Diego, La Jolla, CA 90093 USA.
[Malang, S.] Fus Nucl Technol Consulting, D-76351 Linkenheim Hochstetten, Germany.
[Abdel-Khalik, S.; Yoda, M.] Georgia Inst Technol, George W Woodruff Sch Mech Engn, Atlanta, GA 30332 USA.
[Youchison, D.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Tillack, MS (reprint author), Univ Calif San Diego, 9500 Gilman Dr, La Jolla, CA 90093 USA.
EM mtillack@ucsd.edu
OI Youchison, Dennis/0000-0002-7366-1710
FU U.S. Department of Energy [DE-FG02-04ER54757, DE-FG02-01ER54656]; United
States Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]
FX This work was supported in part under U.S. Department of Energy grant
numbers DE-FG02-04ER54757 and DE-FG02-01ER54656. 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-AC04-94AL85000.
NR 34
TC 35
Z9 35
U1 2
U2 12
PU ELSEVIER SCIENCE SA
PI LAUSANNE
PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND
SN 0920-3796
J9 FUSION ENG DES
JI Fusion Eng. Des.
PD JAN
PY 2011
VL 86
IS 1
BP 71
EP 98
DI 10.1016/j.fusengdes.2010.08.015
PG 28
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 721EH
UT WOS:000287335900011
ER
PT J
AU Kozioziemski, BJ
Mapoles, ER
Sater, JD
Chernov, AA
Moody, JD
Lugten, JB
Johnson, MA
AF Kozioziemski, B. J.
Mapoles, E. R.
Sater, J. D.
Chernov, A. A.
Moody, J. D.
Lugten, J. B.
Johnson, M. A.
TI DEUTERIUM-TRITIUM FUEL LAYER FORMATION FOR THE NATIONAL IGNITION
FACILITY
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Target Fabrication Meeting
CY FEB 21-26, 2010
CL Orlando, FL
DE cryotarget; deuterium-tritium; NIF
ID INERTIAL CONFINEMENT FUSION; ICF CAPSULES; TARGETS; REQUIREMENTS;
TEMPERATURE; FABRICATION; HOHLRAUMS
AB Inertial confinement fusion requires very smooth and uniform solid deuterium-tritium (D-T) fuel layers. The National Ignition Facility (NIF) point design calls for a 65- to 75-mu m-thick D-T fuel layer inside of a 2-mm-diam spherical ablator shell to be 1.5 K below the D-T melting temperature (T-m) of 19.79 K. We find that the layer quality depends on the initial crystal seeding, with the best layers grown from a single seed. The low modes of the layer are controlled by thermal shimming of the hohlraum and meet the NIF requirement with beryllium shells and nearly meet the requirement with plastic shells. The remaining roughness is localized in grain-boundary grooves and is minimal for a single crystal layer. Once formed, the layers need to be cooled to T-m - 1.5 K. We have studied dependence of the roughness on the cooling rate and found that cooling at rates of 0.03 to 0.5 K/s is able to preserve the layer structure for a few seconds after reaching the desired temperature. The entire fuel layer remains in contact with the shell during this rapid cooling. Thus, rapid cooling of the layers is able to satisfy the NIF ignition requirements.
C1 [Kozioziemski, B. J.; Mapoles, E. R.; Sater, J. D.; Chernov, A. A.; Moody, J. D.; Lugten, J. B.; Johnson, M. A.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Kozioziemski, BJ (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
EM kozioziemski1@llnl.gov
NR 25
TC 22
Z9 23
U1 3
U2 24
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 JAN
PY 2011
VL 59
IS 1
BP 14
EP 25
PG 12
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 705PT
UT WOS:000286150800005
ER
PT J
AU Bhandarkar, S
Parham, T
Fair, J
AF Bhandarkar, S.
Parham, T.
Fair, J.
TI MODELING AND EXPERIMENTS OF COMPRESSIBLE GAS FLOW THROUGH MICROCAPILLARY
FILL TUBES ON NIF TARGETS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Target Fabrication Meeting
CY FEB 21-26, 2010
CL Orlando, FL
DE compressible gas; capillary flow; rarified flow
ID SELF-DIFFUSION; CAPILLARIES
AB For the various tuning as well as ignition campaigns, targets on the National Ignition Facility (NIF) need to be filled with gases, typically with the different isotopes of H(2) and He. Fill tubes that supply the two small chambers in the target, the capsule and the hohlraum, are microcapillaries that are only tens of microns in diameter and present significant impedance to flow. Knowledge of the exact pressures and gas compositions in the capsule and the hohlraum is critical for fielding targets on NIF. This requires modeling of the gas flow through the capillary tubes, at both room temperature and cryogenic temperatures. We present results from a comprehensive model and its experimental verification for a range of conditions such as temperature and pressure.
C1 [Bhandarkar, S.; Parham, T.; Fair, J.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Bhandarkar, S (reprint author), Lawrence Livermore Natl Lab, POB 808, Livermore, CA 94550 USA.
EM bhandarkar1@llnl.gov
NR 8
TC 4
Z9 4
U1 0
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 JAN
PY 2011
VL 59
IS 1
BP 51
EP 57
PG 7
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 705PT
UT WOS:000286150800010
ER
PT J
AU Stadermann, M
Letts, SA
Bhandarkar, S
AF Stadermann, M.
Letts, S. A.
Bhandarkar, S.
TI IMPROVEMENTS TO FORMVAR TENT FABRICATION USING THE MENISCUS COATER
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Target Fabrication Meeting
CY FEB 21-26, 2010
CL Orlando, FL
DE inertial confinement fusion; target materials; Formvar tent
AB The centering of an ignition target capsule strongly depends on high-quality "tents" with closely matched mechanical properties. The relevant properties are tent stiffness and relaxation behavior. Tent stiffness is matched by choosing tents of equal thickness. Here, we describe recent advances in tent fabrication that have increased the quality and production rate of tents. The most significant improvement comes from the use of a meniscus coater to produce Formvar tents of high uniformity and with good control of tent thickness and good yield. Other improvements include a switch to silicon wafers as deposition substrate and standardized tent holders. The improvements have resulted in a sixfold increase of the production rate while increasing the yield by a factor of 2, despite tighter quality control.
C1 [Stadermann, M.; Letts, S. A.; Bhandarkar, S.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Stadermann, M (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA.
EM stadermann2@llnl.gov
RI Stadermann, Michael /A-5936-2012
OI Stadermann, Michael /0000-0001-8920-3581
NR 6
TC 11
Z9 11
U1 0
U2 5
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 JAN
PY 2011
VL 59
IS 1
BP 58
EP 62
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 705PT
UT WOS:000286150800011
ER
PT J
AU Letts, SA
Bhandarkar, S
Stadermann, M
Birnbaum, J
AF Letts, S. A.
Bhandarkar, S.
Stadermann, M.
Birnbaum, J.
TI QUALITY ASSURANCE AND CHARACTERIZATION OF ADHESIVES USED FOR NIC TARGET
ASSEMBLY
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Target Fabrication Meeting
CY FEB 21-26, 2010
CL Orlando, FL
DE photocured adhesive characterization; differential scanning calorimetry;
viscometry
ID PHOTOPOLYMERIZATION; POLYMERIZATION; PHOTODSC
AB Ultraviolet (UV)-cured adhesives are used to assemble targets for the National Ignition Campaign. Since cure behavior and adhesive strength are critical to successful, leak-free production of targets, it is desirable to establish a testing procedure to verify the viability of adhesives. To measure reaction conversion, we used Fourier transform infrared spectroscopy, viscometry, and differential scanning calorimetry (DSC) each specially adapted to allow UV exposure within the measuring instrument. We found that photo-DSC was the most sensitive technique of those we investigated for measuring conversion and reaction rate. The effect of adhesive age was measured. We found that as adhesives aged the total heat of reaction dropped.
C1 [Letts, S. A.; Bhandarkar, S.; Stadermann, M.; Birnbaum, J.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Letts, SA (reprint author), Lawrence Livermore Natl Lab, POB 808, Livermore, CA 94550 USA.
EM letts1@llnl.gov
RI Stadermann, Michael /A-5936-2012
OI Stadermann, Michael /0000-0001-8920-3581
NR 6
TC 1
Z9 1
U1 0
U2 2
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 JAN
PY 2011
VL 59
IS 1
BP 63
EP 69
PG 7
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 705PT
UT WOS:000286150800012
ER
PT J
AU Montesanti, RC
Alger, ET
Atherton, LJ
Bhandarkar, SD
Castro, C
Dzenitis, EG
Edwards, GJ
Hamza, AV
Klingmann, JL
Lord, DM
Nikroo, A
Parham, TG
Reynolds, JL
Seugling, RM
Stadermann, M
Swisher, MF
Taylor, JS
Wegner, PJ
AF Montesanti, R. C.
Alger, E. T.
Atherton, L. J.
Bhandarkar, S. D.
Castro, C.
Dzenitis, E. G.
Edwards, G. J.
Hamza, A. V.
Klingmann, J. L.
Lord, D. M.
Nikroo, A.
Parham, T. G.
Reynolds, J. L.
Seugling, R. M.
Stadermann, M.
Swisher, M. F.
Taylor, J. S.
Wegner, P. J.
TI LESSONS FROM BUILDING LASER-DRIVEN FUSION IGNITION TARGETS WITH THE
PRECISION ROBOTIC ASSEMBLY MACHINE
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Target Fabrication Meeting
CY FEB 21-26, 2010
CL Orlando, FL
DE target fabrication; precision motion control; active compliance
AB The Precision Robotic Assembly Machine was developed to manufacture the small and intricate laser-driven fusion ignition targets that are being used in the National Ignition Facility. The machine enables one person to assemble a high-quality precision target in 1 day with repeatable quality. The target assembly technician provides top-level control of the machine, initiating and controlling the movement of the motorized precision instruments. Hand movements are scaled to precision at the 100-nm level. Sensors embedded in the manipulator system provide 100-mg resolution force and gram-millimeter resolution torque feedback of the contact loads between delicate components being assembled with micrometer-level or no clearance. Combining precision motion control with force and torque feedback provides active compliance for assembling tightly fitting or snap-together components. The machine provides simultaneous manipulation of five objects in a 1-cm(3) operating arena and can stitch together multiple millimeter-scale operating arenas over distances spanning tens of centimeters with micrometer-level accuracy. Technology developed with the machine has been migrated to other machines used to assemble fusion targets.
C1 [Montesanti, R. C.; Atherton, L. J.; Bhandarkar, S. D.; Castro, C.; Dzenitis, E. G.; Edwards, G. J.; Hamza, A. V.; Klingmann, J. L.; Lord, D. M.; Parham, T. G.; Reynolds, J. L.; Seugling, R. M.; Stadermann, M.; Taylor, J. S.; Wegner, P. J.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Alger, E. T.; Nikroo, A.] Gen Atom Co, San Diego, CA USA.
[Swisher, M. F.] IAP Worldwide Serv, Cape Canaveral, FL USA.
RP Montesanti, RC (reprint author), Lawrence Livermore Natl Lab, Livermore, CA USA.
EM montesanti1@llnl.gov
RI Stadermann, Michael /A-5936-2012
OI Stadermann, Michael /0000-0001-8920-3581
NR 7
TC 5
Z9 5
U1 0
U2 2
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 JAN
PY 2011
VL 59
IS 1
BP 70
EP 77
PG 8
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 705PT
UT WOS:000286150800013
ER
PT J
AU Alger, ET
Kroll, J
Dzenitis, EG
Montesanti, R
Hughes, J
Swisher, M
Taylor, J
Segraves, K
Lord, DM
Reynolds, J
Castro, C
Edwards, G
AF Alger, E. T.
Kroll, J.
Dzenitis, E. G.
Montesanti, R.
Hughes, J.
Swisher, M.
Taylor, J.
Segraves, K.
Lord, D. M.
Reynolds, J.
Castro, C.
Edwards, G.
TI NIF TARGET ASSEMBLY METROLOGY METHODOLOGY AND RESULTS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Target Fabrication Meeting
CY FEB 21-26, 2010
CL Orlando, FL
DE target; metrology; National Ignition Facility
AB Inertial confinement fusion (ICF) experiments at the National Ignition Facility (NIF) require cryogenic targets at the 1-cm scale to be fabricated, assembled, and metrologized to micron-level tolerances. During assembly of these ICF targets, there are physical dimension metrology steps to be made of the components, subassemblies, and completed targets. Metrology is primarily completed using optical coordinate measurement machines that provide repeatable measurements with micron precision, while also allowing in-process data collection for absolute accuracy in assembly. To date, 51 targets have been assembled and metrologized, and 34 targets have been successfully fielded on NIF relying on these metrology data. In the near future, ignition experiments on NIF will require tighter tolerances and more demanding target assembly and metrology capability.
Metrology methods, calculations, and uncertainty estimates will be discussed. Target diagnostic port alignment, target position, and capsule location results will be reviewed for the 2009 Energetics Campaign. The information is presented via control charts showing the effect of process improvements that were made during target production. Certain parameters, including capsule position, met the 2009 campaign specifications but will have much tighter requirements in the future. To meet these new requirements assembly process changes and metrology capability upgrades will be necessary.
C1 [Alger, E. T.] Gen Atom Co, San Diego, CA 92186 USA.
[Kroll, J.; Dzenitis, E. G.; Montesanti, R.; Hughes, J.; Taylor, J.; Lord, D. M.; Reynolds, J.; Castro, C.; Edwards, G.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Swisher, M.; Segraves, K.] IAP, Livermore, CA 94550 USA.
RP Alger, ET (reprint author), Gen Atom Co, POB 85608, San Diego, CA 92186 USA.
EM alger5@llnl.gov
NR 12
TC 4
Z9 9
U1 1
U2 5
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 JAN
PY 2011
VL 59
IS 1
BP 78
EP 86
PG 9
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 705PT
UT WOS:000286150800014
ER
PT J
AU Patterson, BM
Obrey, KA
Havrilla, GJ
AF Patterson, Brian M.
Obrey, Kimberly A.
Havrilla, George J.
TI FURTHER CHARACTERIZATIONS OF SPUTTERED COPPER BERYLLIUM CAPSULES USING
CONFOCAL MICRO X-RAY FLUORESCENCE
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Target Fabrication Meeting
CY FEB 21-26, 2010
CL Orlando, FL
DE confocal micro X-ray fluorescence; beryllium sputtered capsule; 3-D
analysis
AB Confocal micro X-ray fluorescence (confocal MXRF) is continuing to be explored as a method for characterizing copper and argon doped sputtered beryllium capsules. Previously demonstrated was the utility of confocal MXRF in both the two- and three-dimensional modes and overlaying the data with X-ray micro computed tomography as a method of nondestructive analysis. In this paper, the relative amount of copper dopant was measured as a function of capsule theta, examining the changes in the amounts of copper around the circumference of the capsule and comparing the relative amount of copper between capsules. A theta stage was specially constructed in order to perform line scans through the capsule wall while keeping the geometry of the measurement constant. Four capsules (one unpyrolyzed and three pyrolyzed) were examined with this method. The noise of the measurements averaged 1.43%, and differences within a capsule as a function of theta were 2.15%, with differences between capsules similar to 13% indicating that the measurement noise was approximately half the overall variation in copper signal and far less than the measured differences between capsules. These differences in the amount of copper within a capsule and between capsules are much greater than that obtained using absorption techniques.
C1 [Patterson, Brian M.; Obrey, Kimberly A.] Los Alamos Natl Lab, Div Mat Sci & Technol, Los Alamos, NM 87545 USA.
[Havrilla, George J.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM USA.
RP Patterson, BM (reprint author), Los Alamos Natl Lab, Div Mat Sci & Technol, Los Alamos, NM 87545 USA.
EM bpatterson@lanl.gov
NR 8
TC 5
Z9 5
U1 0
U2 2
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 JAN
PY 2011
VL 59
IS 1
BP 121
EP 125
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 705PT
UT WOS:000286150800021
ER
PT J
AU Youngblood, K
Alford, C
Bhandarkar, S
Hayes, J
Moreno, K
Nikroo, A
Xu, H
AF Youngblood, K.
Alford, C.
Bhandarkar, S.
Hayes, J.
Moreno, K.
Nikroo, A.
Xu, H.
TI IMPROVING THE REPRODUCIBILITY OF THE RADIAL ARGON CONCENTRATION IN
BERYLLIUM SHELLS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Target Fabrication Meeting
CY FEB 21-26, 2010
CL Orlando, FL
DE beryllium sputter coating; beryllium shells; NIF target
ID NATIONAL IGNITION FACILITY; CAPSULES; RADIOGRAPHY; ABLATORS; TARGETS
AB Sputter coating of beryllium on spherical mandrels has been used at Lawrence Livermore National Laboratory and at General Atomics to produce graded, copper doped beryllium shells. While these coatings have consistent microstructure and acceptable void content, different coaters produced different results with respect to argon implantation. Each individual system met the requirements for argon implantation, but the deviation from one system to another and from run to run exceeded the variability requirements as specified by the National Ignition Facility target design requirements. We redesigned the fixturing within one system to improve reproducibility. Then, we reconfigured the coaters so that the vertical and lateral alignments of the shells under the gun varied <1 mm between systems. After this process, the systems were able to produce beryllium capsules with radial argon profiles that met specifications and were consistent from run to run and from system to system. During this process we gained insight into the beryllium coating process. The radial argon variation was shown to be dependent on sputter target thickness. We also found that the argon content in the shells was extremely dependent on the position of the shells with respect to the gun.
C1 [Youngblood, K.; Hayes, J.; Moreno, K.; Nikroo, A.; Xu, H.] Gen Atom Co, San Diego, CA 92186 USA.
[Alford, C.; Bhandarkar, S.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Youngblood, K (reprint author), Gen Atom Co, POB 85608, San Diego, CA 92186 USA.
EM youngblood1@llnl.gov
NR 15
TC 2
Z9 2
U1 0
U2 1
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 JAN
PY 2011
VL 59
IS 1
BP 126
EP 132
PG 7
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 705PT
UT WOS:000286150800022
ER
PT J
AU Mirkarimi, PB
Bettencourt, KA
Kellam, MC
Davis, PJ
Teslich, NE
Alameda, JB
AF Mirkarimi, P. B.
Bettencourt, K. A.
Kellam, M. C.
Davis, P. J.
Teslich, N. E.
Alameda, J. B.
TI THICK, MULTISTEPPED IRON AND TANTALUM TARGETS FOR EQUATION-OF-STATE
MEASUREMENTS AT HIGH PRESSURES AND LOW TEMPERATURES
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Target Fabrication Meeting
CY FEB 21-26, 2010
CL Orlando, FL
DE film; target; iron
ID DEPOSITION; FILMS
AB There is significant interest in the measurement of the equation of state and other parameters at high pressures and low temperatures. An example is iron, which plays a critical role in planetary interiors. Targets are needed to perform these important measurements on experimental platforms such as Omega and the National Ignition Facility. We have developed a process to successfully deposit thick (several tens of microns), stepped iron and tantalum films on thin diamond substrates, to fabricate these targets. We will discuss the technical challenges that were encountered and overcome in their fabrication, such as stress/delamination in the iron system, and in achieving the desired phase in the tantalum system. We will also present characterization results on these targets.
C1 [Mirkarimi, P. B.; Bettencourt, K. A.; Kellam, M. C.; Davis, P. J.; Teslich, N. E.; Alameda, J. B.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Mirkarimi, PB (reprint author), Lawrence Livermore Natl Lab, POB 808, Livermore, CA 94551 USA.
EM Mirkarimi1@llnl.gov
NR 9
TC 1
Z9 1
U1 0
U2 4
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 JAN
PY 2011
VL 59
IS 1
BP 133
EP 138
PG 6
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 705PT
UT WOS:000286150800023
ER
PT J
AU Hamilton, CE
Honnell, D
Patterson, BM
Schmidt, DW
Obrey, KAD
AF Hamilton, Christopher E.
Honnell, Diana
Patterson, Brian M.
Schmidt, Derek W.
Obrey, Kimberly A. DeFriend
TI INCORPORATION OF TRACER ELEMENTS WITHIN AEROGELS AND CH FOAMS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Target Fabrication Meeting
CY FEB 21-26, 2010
CL Orlando, FL
DE aero gel; HIPE polymer foam; high-Z tracers
ID INERTIAL FUSION-TARGETS; EMULSIONS; ACRYLATE; LASER
AB Low-density materials containing tracer elements are an important component of target platforms for high-energy density physics experiments. High-Z elements can be dispersed homogeneously by changing chemistry of the matrix or by simple physical mixing; alternately, tracers can be introduced heterogeneously in the form of ultrathin foils or particles. We have recently focused on how best to manufacture and embed tracer elements into silica aerogels and polystyrene-divinylbenzene (CH)foams. The ability to control dopant concentration and distribution is critical to final shot success. We have produced low-density CH foams doped with chlorine at levels up to 2 at. %. In addition, we have placed metal particles and foils precisely within silica aerogel monoliths.
C1 [Hamilton, Christopher E.; Honnell, Diana; Patterson, Brian M.; Schmidt, Derek W.; Obrey, Kimberly A. DeFriend] Los Alamos Natl Lab, Div Mat Sci & Technol, Los Alamos, NM 87545 USA.
RP Hamilton, CE (reprint author), Los Alamos Natl Lab, Div Mat Sci & Technol, MST-7, Los Alamos, NM 87545 USA.
EM defriend@lanl.gov
OI Hamilton, Christopher/0000-0002-1605-5992
NR 22
TC 5
Z9 5
U1 4
U2 11
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 JAN
PY 2011
VL 59
IS 1
BP 194
EP 198
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 705PT
UT WOS:000286150800032
ER
PT J
AU Obrey, KAD
Sherrill, M
Devlin, DJ
Day, RD
Schmidt, DW
Espinoza, BF
Hubbard, KM
Valdez, AC
Archer, M
Capelli, D
Fierro, F
Randolph, RB
AF Obrey, Kimberly A. Defriend
Sherrill, Manolo
Devlin, David J.
Day, Robert D.
Schmidt, Derek W.
Espinoza, Brent F.
Hubbard, Kevin M.
Valdez, Adelaida C.
Archer, McIlwaine
Capelli, Deanna
Fierro, Franklin
Randolph, Randall B.
TI TARGET FABRICATION OF OPACITY EXPERIMENTS ON Z FOR WEAPONS SCIENCE
APPLICATIONS
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Target Fabrication Meeting
CY FEB 21-26, 2010
CL Orlando, FL
DE opacity; targets; coatings
AB Opacity data are very important in high energy density physics experiments. Recent targets of alternating layers of either Al(2)Te(3) or Mg/Sn with a CH tamper have been made for obtaining these data. These targets are geometrically simple in the half-moon configuration of the metal compound coating to the pure CH tamper but require stringent procedural requirements to fabricate to the purity requirements. These specific targets require mass ratios of elements that proved to be difficult to obtain while also having the requirement of being pinhole-free and oxygen-free.
C1 [Obrey, Kimberly A. Defriend; Sherrill, Manolo; Devlin, David J.; Day, Robert D.; Schmidt, Derek W.; Espinoza, Brent F.; Hubbard, Kevin M.; Valdez, Adelaida C.; Archer, McIlwaine; Capelli, Deanna; Fierro, Franklin; Randolph, Randall B.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Obrey, KAD (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM defriend@lanl.gov
NR 6
TC 0
Z9 0
U1 1
U2 4
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 JAN
PY 2011
VL 59
IS 1
BP 257
EP 261
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 705PT
UT WOS:000286150800041
ER
PT J
AU Lairson, B
Smith, R
Guckian, J
Ayers, T
Bhandarkar, S
AF Lairson, Bruce
Smith, Ryan
Guckian, Jeff
Ayers, Travis
Bhandarkar, Suhas
TI LASER ENTRANCE HOLE WINDOW BURST AND PRESSURE DEFLECTIONS AT CRYOGENIC
TEMPERATURE
SO FUSION SCIENCE AND TECHNOLOGY
LA English
DT Article; Proceedings Paper
CT 19th Target Fabrication Meeting
CY FEB 21-26, 2010
CL Orlando, FL
DE hohlraum; polyimide; Weibull
AB Laser entrance hole (LEH) windows for hohlraums must have minimal thickness yet must contain low-temperature tamping gas in a reproducible envelope at 52 kPa. Given the high cost of a window failure, it is important to understand variability in the finished windows. Polyimide LEH window pressure deflection profiles were measured at 18K. The shape and magnitude of pressure deflections of LEH windows were well described using thin film elastic mechanics. Subsequently, 24 windows with 3.9-mm apertures were selected from several production lots to measure reproducibility. The windows were cooled to 18 K, and their leak rates, deflections to 52 kPa, and burst pressures were measured. The mean window deflection at 18 K was 260 mu m, with a standard deviation of 20 mu m. Variability in window deflections was well described by an anisotropic initial strain model. Window burst pressure was found to obey first-order Weibull statistics. The predicted failure rate for the use conditions was extrapolated to be <0.1%.
C1 [Lairson, Bruce; Smith, Ryan; Guckian, Jeff; Ayers, Travis] Luxel Corp, Friday Harbor, WA 98250 USA.
[Bhandarkar, Suhas] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Lairson, B (reprint author), Luxel Corp, 515 Tucker Ave, Friday Harbor, WA 98250 USA.
EM bruce.lairson@luxel.com
NR 8
TC 2
Z9 2
U1 0
U2 2
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 JAN
PY 2011
VL 59
IS 1
BP 262
EP 266
PG 5
WC Nuclear Science & Technology
SC Nuclear Science & Technology
GA 705PT
UT WOS:000286150800042
ER
PT S
AU Misra, K
Fruchter, AS
Nugent, P
AF Misra, Kuntal
Fruchter, A. S.
Nugent, Peter
BE McEnery, JE
Racusin, JL
Gehrels, N
TI Late-time HST observations of XRF 060218/SN 2006aj
SO GAMMA RAY BURSTS 2010
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT Conference of the Gamma Ray Bursts
CY NOV 01-04, 2010
CL Annapolis, MD
DE X-Ray Flash; Supernova; SN 2006aj
ID GAMMA-RAY BURST; SN 1998BW; SUPERNOVA; GRB-060218; SN-2006AJ
AB We present the late-time Hubble Space Telescope observations of the supernova, SN 2006aj, associated with the X-ray flash (XRF) 060218. Using the multi-color observations, covering similar to 150-260 days after the burst, we constrain the late-time decay nature of the supernova.. The late-time decay rates in SN 2006aj are quite similar to those of SN 1998bw except in the B band. We find that the late-time luminosity in SN 2006aj is a factor of two less than that of SN 1998bw which suggests a factor of two less in the ejected mass of Ni-56.
C1 [Misra, Kuntal; Fruchter, A. S.] Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA.
[Nugent, Peter] Lawrence Berkeley Natl Lab, Computat Cosmol Ctr, Berkeley, CA 94720 USA.
RP Misra, K (reprint author), Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA.
NR 19
TC 2
Z9 2
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0916-3
J9 AIP CONF PROC
PY 2011
VL 1358
DI 10.1063/1.3621793
PG 4
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA BZU09
UT WOS:000302963100068
ER
PT S
AU Qian, WJ
Petritis, BO
Nicora, CD
Smith, RD
AF Qian, Wei-Jun
Petritis, Brianne O.
Nicora, Carrie D.
Smith, Richard D.
BE Gevaert, K
Vandekerckhove, J
TI 'Trypsin-Catalyzed Oxygen-18 Labeling for Quantitative Proteomics
SO GEL-FREE PROTEOMICS: METHODS AND PROTOCOLS
SE Methods in Molecular Biology
LA English
DT Article; Book Chapter
DE LC-MS; O-18 labeling; quantitative proteomics; stable isotope labeling;
enzymatic labelling
ID TIME TAG APPROACH; MASS-SPECTROMETRY; ACCURATE MASS; BACK-EXCHANGE;
THROUGHPUT
AB Stable isotope labeling based on relative peptide/protein abundance measurements is commonly applied for quantitative proteomics. Recently, trypsin-catalyzed oxygen-18 labeling has grown in popularity due to its simplicity, cost-effectiveness, and its ability to universally label peptides with high sample recovery. In O-18 labeling, both C-terminal carboxyl group atoms of tryptic peptides can be enzymatically exchanged with O-18, thus providing the labeled peptide with a 4 Da mass shift from the O-16-labeled sample. Peptide O-18 labeling is ideally suited for generating a labeled "universal" reference sample used for obtaining accurate and reproducible quantitative measurements across large number of samples in quantitative discovery proteomics.
C1 [Qian, Wei-Jun; Petritis, Brianne O.; Nicora, Carrie D.; Smith, Richard D.] Pacific NW Natl Lab, Div Biol Sci, Environm Mol Sci Lab, Richland, WA 99352 USA.
RP Qian, WJ (reprint author), Pacific NW Natl Lab, Div Biol Sci, Environm Mol Sci Lab, Richland, WA 99352 USA.
RI Smith, Richard/J-3664-2012
OI Smith, Richard/0000-0002-2381-2349
FU NCRR NIH HHS [RR018522]
NR 13
TC 4
Z9 4
U1 0
U2 2
PU HUMANA PRESS INC
PI TOTOWA
PA 999 RIVERVIEW DR, STE 208, TOTOWA, NJ 07512-1165 USA
SN 1064-3745
BN 978-1-61779-147-5
J9 METHODS MOL BIOL
JI Methods Mol. Biol.
PY 2011
VL 753
BP 43
EP 54
DI 10.1007/978-1-61779-148-2_3
D2 10.1007/978-1-61779-148-2
PG 12
WC Biochemical Research Methods; Biochemistry & Molecular Biology;
Biophysics
SC Biochemistry & Molecular Biology; Biophysics
GA BVJ56
UT WOS:000291666500003
PM 21604114
ER
PT J
AU Lopes, IF
Tomasulo-Seccomandi, AM
Bryan, AL
Brisbin, IL
Glenn, TC
Del Lama, SN
AF Lopes, I. F.
Tomasulo-Seccomandi, A. M.
Bryan, A. L., Jr.
Brisbin, I. L., Jr.
Glenn, T. C.
Del Lama, S. N.
TI Genetic status of the wood stork (Mycteria americana) from the
southeastern United States and the Brazilian Pantanal as revealed by
mitochondrial DNA analysis
SO GENETICS AND MOLECULAR RESEARCH
LA English
DT Article
DE Ciconiiformes; Conservation genetics; Heteroplasmy; Demographic history;
Population structuring; Waterbirds
ID STATISTICAL TESTS; POPULATION; HISTORY; MUTATIONS; DIFFERENTIATION;
POLYMORPHISM; BOTTLENECKS; VARIABILITY; NEUTRALITY; SELECTION
AB The wood stork (Mycteria americana) is a colonial wading bird that inhabits the Neotropical region from the southeastern United States (US) to northern Argentina. The species is considered to be endangered in the US due to degradation of its foraging and breeding habitat. In other parts of its range, such as in the Brazilian Pantanal region, breeding populations of this species appear to be stable. We compared the levels of genetic variability and population structuring of the US and the Pantanal breeding populations using mitochondrial DNA (mtDNA) control region sequences. Twenty-seven haplotypes were identified among 88 wood stork samples collected from eight breeding colonies in the US and eight in the Pantanal. Patterns indicative of heteroplasmy were observed in 35.3% of the mtDNA sequences that were examined. Significantly higher levels of haplotype diversity were observed in the Pantanal samples compared to those from the US, suggesting that during the last century, demographic declines or a recent evolutionary bottleneck reduced the levels of mtDNA variability of the US population. Analyses of genetic structuring revealed non-significant genetic differentiation between these regions, indicating that either the populations were only recently separated or that gene flow continues to occur at low levels. Haplotype network analysis indicated low current levels of gene flow between populations that were closely related in the past.
C1 [Lopes, I. F.; Tomasulo-Seccomandi, A. M.; Del Lama, S. N.] Univ Fed Sao Carlos, Dept Genet Evolucao, BR-13560 Sao Carlos, SP, Brazil.
[Tomasulo-Seccomandi, A. M.; Bryan, A. L., Jr.; Brisbin, I. L., Jr.; Glenn, T. C.] Univ Georgia, Savannah River Ecol Lab, Aiken, SC USA.
[Lopes, I. F.] Univ Fed Sao Joao Del Rei, Dept Engn Biossistemas, Sao Joao Del Rei, MG, Brazil.
[Glenn, T. C.] Univ Georgia, Dept Environm Hlth Sci, Athens, GA 30602 USA.
RP Lopes, IF (reprint author), Univ Fed Sao Carlos, Dept Genet Evolucao, BR-13560 Sao Carlos, SP, Brazil.
EM iaraflopes@ufsj.edu.br
RI Lopes, Iara/A-9425-2013
FU CNPq [140768/2002-5]; FAPESP [2004/15205-8]; FAPEMIG [PRI-00104-10];
U.S. Department of Energy [DE-FC09-96SR18546]
FX The authors are grateful to the property owners who allowed access to
the wood stork breeding colonies; A.E. Seccomandi, A.S. Cristino, A.T.B.
dos Santos, C.D. Rocha, and M.A. Del Lama assisted with wood stork blood
collection in the Pantanal; J.A. Rodgers Jr., R.A. Van Den Bussche, and
B. Hylton provided samples from the US. Thanks also go to J.A.F.
Monteiro and L. Rivaroli for drawing the map. We are grateful to
CEMAVE/IBAMA for permission to handle birds and to collect biological
material from wood storks in the Pantanal. Research supported by CNPq
(#140768/2002-5), FAPESP (#2004/15205-8), and FAPEMIG (#PRI-00104-10).
Additional support was provided by the U.S. Department of Energy
Financial Assistance Award #DE-FC09-96SR18546 to the University of
Georgia Research Foundation/SREL.
NR 41
TC 1
Z9 1
U1 0
U2 7
PU FUNPEC-EDITORA
PI RIBEIRAO PRETO
PA RUA HUDSON 655, JARDIM CANADA, RIBEIRAO PRETO, SP, BRAZIL
SN 1676-5680
J9 GENET MOL RES
JI Genet. Mol. Res.
PY 2011
VL 10
IS 3
BP 1910
EP 1922
DI 10.4238/vol10-3gmr1217
PG 13
WC Biochemistry & Molecular Biology; Genetics & Heredity
SC Biochemistry & Molecular Biology; Genetics & Heredity
GA 832RG
UT WOS:000295823500061
PM 21948753
ER
PT J
AU Kubicek, CP
Herrera-Estrella, A
Seidl-Seiboth, V
Martinez, DA
Druzhinina, IS
Thon, M
Zeilinger, S
Casas-Flores, S
Horwitz, BA
Mukherjee, PK
Mukherjee, M
Kredics, L
Alcaraz, LD
Aerts, A
Antal, Z
Atanasova, L
Cervantes-Badillo, MG
Challacombe, J
Chertkov, O
McCluskey, K
Coulpier, F
Deshpande, N
von Dohren, H
Ebbole, DJ
Esquivel-Naranjo, EU
Fekete, E
Flipphi, M
Glaser, F
Gomez-Rodriguez, EY
Gruber, S
Han, C
Henrissat, B
Hermosa, R
Hernandez-Onate, M
Karaffa, L
Kosti, I
Le Crom, S
Lindquist, E
Lucas, S
Lubeck, M
Lubeck, PS
Margeot, A
Metz, B
Misra, M
Nevalainen, H
Omann, M
Packer, N
Perrone, G
Uresti-Rivera, EE
Salamov, A
Schmoll, M
Seiboth, B
Shapiro, H
Sukno, S
Tamayo-Ramos, JA
Tisch, D
Wiest, A
Wilkinson, HH
Zhang, M
Coutinho, PM
Kenerley, CM
Monte, E
Baker, SE
Grigoriev, IV
AF Kubicek, Christian P.
Herrera-Estrella, Alfredo
Seidl-Seiboth, Verena
Martinez, Diego A.
Druzhinina, Irina S.
Thon, Michael
Zeilinger, Susanne
Casas-Flores, Sergio
Horwitz, Benjamin A.
Mukherjee, Prasun K.
Mukherjee, Mala
Kredics, Laszlo
Alcaraz, Luis D.
Aerts, Andrea
Antal, Zsuzsanna
Atanasova, Lea
Cervantes-Badillo, Mayte G.
Challacombe, Jean
Chertkov, Olga
McCluskey, Kevin
Coulpier, Fanny
Deshpande, Nandan
von Doehren, Hans
Ebbole, Daniel J.
Esquivel-Naranjo, Edgardo U.
Fekete, Erzsebet
Flipphi, Michel
Glaser, Fabian
Gomez-Rodriguez, Elida Y.
Gruber, Sabine
Han, Cliff
Henrissat, Bernard
Hermosa, Rosa
Hernandez-Onate, Miguel
Karaffa, Levente
Kosti, Idit
Le Crom, Stephane
Lindquist, Erika
Lucas, Susan
Luebeck, Mette
Luebeck, Peter S.
Margeot, Antoine
Metz, Benjamin
Misra, Monica
Nevalainen, Helena
Omann, Markus
Packer, Nicolle
Perrone, Giancarlo
Uresti-Rivera, Edith E.
Salamov, Asaf
Schmoll, Monika
Seiboth, Bernhard
Shapiro, Harris
Sukno, Serenella
Tamayo-Ramos, Juan Antonio
Tisch, Doris
Wiest, Aric
Wilkinson, Heather H.
Zhang, Michael
Coutinho, Pedro M.
Kenerley, Charles M.
Monte, Enrique
Baker, Scott E.
Grigoriev, Igor V.
TI Comparative genome sequence analysis underscores mycoparasitism as the
ancestral life style of Trichoderma
SO GENOME BIOLOGY
LA English
DT Article
ID INDUCED SYSTEMIC RESISTANCE; PLANT-ROOT COLONIZATION; CELL-WALL;
ASPERGILLUS-NIDULANS; EUKARYOTIC GENOMES; HYPOCREA-JECORINA;
NEUROSPORA-CRASSA; HYDROPHOBIN GENE; PATHOGENIC FUNGI; DNA-SEQUENCES
AB Background: Mycoparasitism, a lifestyle where one fungus is parasitic on another fungus, has special relevance when the prey is a plant pathogen, providing a strategy for biological control of pests for plant protection. Probably, the most studied biocontrol agents are species of the genus Hypocrea/Trichoderma.
Results: Here we report an analysis of the genome sequences of the two biocontrol species Trichoderma atroviride (teleomorph Hypocrea atroviridis) and Trichoderma virens (formerly Gliocladium virens, teleomorph Hypocrea virens), and a comparison with Trichoderma reesei (teleomorph Hypocrea jecorina). These three Trichoderma species display a remarkable conservation of gene order (78 to 96%), and a lack of active mobile elements probably due to repeat-induced point mutation. Several gene families are expanded in the two mycoparasitic species relative to T. reesei or other ascomycetes, and are overrepresented in non-syntenic genome regions. A phylogenetic analysis shows that T. reesei and T. virens are derived relative to T. atroviride. The mycoparasitism-specific genes thus arose in a common Trichoderma ancestor but were subsequently lost in T. reesei.
Conclusions: The data offer a better understanding of mycoparasitism, and thus enforce the development of improved biocontrol strains for efficient and environmentally friendly protection of plants.
C1 [Kubicek, Christian P.; Seidl-Seiboth, Verena; Druzhinina, Irina S.; Zeilinger, Susanne; Atanasova, Lea; Gruber, Sabine; Metz, Benjamin; Omann, Markus; Schmoll, Monika; Seiboth, Bernhard; Tisch, Doris] Vienna Univ Technol, Area Gene Technol & Appl Biochem, Inst Chem Engn, A-1060 Vienna, Austria.
[Herrera-Estrella, Alfredo; Alcaraz, Luis D.; Esquivel-Naranjo, Edgardo U.; Hernandez-Onate, Miguel] Lab Nacl Genom Biodiversidad, Irapuato 36821, Mexico.
[Martinez, Diego A.] Broad Inst MIT & Harvard, Cambridge, MA 02142 USA.
[Thon, Michael; Hermosa, Rosa; Sukno, Serenella; Monte, Enrique] Univ Salamanca, Dept Genet & Microbiol, Ctr Hispanoluso Invest Agr CIALE, Villamayor 37185, Spain.
[Casas-Flores, Sergio; Cervantes-Badillo, Mayte G.; Gomez-Rodriguez, Elida Y.; Uresti-Rivera, Edith E.] Inst Potosino Invest Cient & Tecnol, Div Mol Biol, San Luis Potosi 78216, Mexico.
[Horwitz, Benjamin A.; Mukherjee, Mala; Glaser, Fabian; Kosti, Idit] Technion Israel Inst Technol, Dept Biol, IL-32000 Haifa, Israel.
[Mukherjee, Prasun K.] Bhabha Atom Res Ctr, Nucl Agr & Biotechnol Div, Bombay 400085, Maharashtra, India.
[Kredics, Laszlo; Antal, Zsuzsanna] Univ Szeged, Dept Microbiol, Fac Sci & Informat, H-6726 Szeged, Hungary.
[Aerts, Andrea; Challacombe, Jean; Chertkov, Olga; Han, Cliff; Lindquist, Erika; Lucas, Susan; Misra, Monica; Salamov, Asaf; Shapiro, Harris; Zhang, Michael; Baker, Scott E.; Grigoriev, Igor V.] DOE Joint Genome Inst, Walnut Creek, CA 94598 USA.
[McCluskey, Kevin; Wiest, Aric] Univ Missouri, Sch Biol Sci, Kansas City, MO 64110 USA.
[Coulpier, Fanny; Le Crom, Stephane; Wilkinson, Heather H.] Ctr Natl Rech Sci UMR8197, IBENS, Inst Natl Sante & Rech Med U1024, F-75005 Paris, France.
[Deshpande, Nandan; Nevalainen, Helena; Packer, Nicolle] Macquarie Univ, N Ryde, NSW 2109, Australia.
[von Doehren, Hans] TU Berlin, FG Biochem & Mol Biol OE2, Inst Chem, D-10587 Berlin, Germany.
[Ebbole, Daniel J.; Kenerley, Charles M.] Texas A&M Univ, Dept Plant Pathol & Microbiol, College Stn, TX 77843 USA.
[Fekete, Erzsebet; Karaffa, Levente] Univ Debrecen, Dept Biochem Engn, Fac Sci & Technol, H-4010 Debrecen, Hungary.
[Flipphi, Michel] CSIC, Inst Agroquim & Tecnol Alimentos, E-46100 Burjassot, Valencia, Spain.
[Henrissat, Bernard; Coutinho, Pedro M.] Univ Aix Marseille 2, UMR6098, CNRS, F-13288 Marseille, France.
[Luebeck, Mette; Luebeck, Peter S.] Aalborg Univ, Dept Biotechnol Chem & Environm Engn, DK-2750 Ballerup, Denmark.
[Margeot, Antoine] IFP Energies Nouvelles, Dept Biotechnol, F-92852 Rueil Malmaison, France.
[Perrone, Giancarlo] CNR, Inst Sci Food Prod ISPA, I-70126 Bari, Italy.
[Tamayo-Ramos, Juan Antonio] Wageningen Univ, Fungal Syst Biol Grp, NL-6703 HB Wageningen, Netherlands.
[Baker, Scott E.] Pacific NW Natl Lab, Chem & Biol Proc Dev Grp, Richland, WA 99352 USA.
RP Kubicek, CP (reprint author), Vienna Univ Technol, Area Gene Technol & Appl Biochem, Inst Chem Engn, Getreidemarkt 9, A-1060 Vienna, Austria.
EM ckubicek@mail.zserv.tuwien.ac.at
RI Henrissat, Bernard/J-2475-2012; IFPEN, Publications/A-8028-2008;
Herrera-Estrella, Alfredo/F-3185-2011; Alcaraz, Luis David/D-1352-2011;
Perrone, Giancarlo/O-7475-2014; Sukno, Serenella/K-1449-2014; Thon,
Michael/M-9463-2014; Schmoll, Monika/I-6541-2016; Le Crom,
Stephane/P-4176-2016; Monte, Enrique/A-9008-2017; Hermosa,
Rosa/A-9409-2017; Physico chimie, Direction Physico /C-1380-2013;
OI Herrera-Estrella, Alfredo/0000-0002-4589-6870; Alcaraz, Luis
David/0000-0003-3284-0605; Perrone, Giancarlo/0000-0002-3841-6066;
Sukno, Serenella/0000-0003-3248-6490; Thon, Michael/0000-0002-7225-7003;
Schmoll, Monika/0000-0003-3918-0574; Le Crom,
Stephane/0000-0002-0534-7797; Monte, Enrique/0000-0002-0166-5181;
Hermosa, Rosa/0000-0003-4758-5838; Lubeck, Mette/0000-0003-1768-0279;
Zeilinger, susanne/0000-0003-3112-0948; Atanasova,
Lea/0000-0002-1751-277X; Kredics, Laszlo/0000-0002-8837-3973
FU Office of Science of the US Department of Energy [DE-AC02-05CH11231];
Infrastructures en Biologie Sante et Agronomie (IBISA); Junta de
Castilla y Leon [GR67]; MICINN [AGL2008-0512/AGR, AGL2009-13431-C02];
Austrian Science Foundation [FWF P17895-B06, P20559, T390, P18109-B12,
P-19421, V139B20, P-19340]; French national program PNRB
[AANR-07-BIOE-006]; Ramon y Cajal from the Spanish Ministry of Science
and Innovation (MCINN) [RYC-2004-003005]; Vienna Science and Technology
Fund [WWTF LS09-036]
FX Genome sequencing and analysis was conducted by the US Department of
Energy Joint Genome Institute and supported by the Office of Science of
the US Department of Energy under contract number DE-AC02-05CH11231.
MGC-B, EYG-R, MH-O, and EEU-R are indebted to Conacyt for doctoral
fellowships. SLC and FC was supported by the Infrastructures en Biologie
Sante et Agronomie (IBISA). EM and RH work was supported by the grants
Junta de Castilla y Leon GR67, MICINN AGL2008-0512/AGR and
AGL2009-13431-C02. The work of ISD, VS-S, LA, BS, BM, SZ, MS, and CPK
was supported by the Austrian Science Foundation (grants FWF P17895-B06,
P20559, T390, P18109-B12, P-19421, V139B20 and P-19340). The work of PMC
and BH was supported by project number AANR-07-BIOE-006 from the French
national program PNRB. MF was the recipient of a postdoctoral contract
Ramon y Cajal from the Spanish Ministry of Science and Innovation
(MCINN: RYC-2004-003005). SZ acknowledges support from the Vienna
Science and Technology Fund (WWTF LS09-036).
NR 92
TC 166
Z9 175
U1 12
U2 92
PU BIOMED CENTRAL LTD
PI LONDON
PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND
SN 1465-6906
J9 GENOME BIOL
JI Genome Biol.
PY 2011
VL 12
IS 4
AR R40
DI 10.1186/gb-2011-12-4-r40
PG 15
WC Biotechnology & Applied Microbiology; Genetics & Heredity
SC Biotechnology & Applied Microbiology; Genetics & Heredity
GA 794BW
UT WOS:000292871100008
PM 21501500
ER
PT J
AU Li, XY
Thomas, S
Sabo, PJ
Eisen, MB
Stamatoyannopoulos, JA
Biggin, MD
AF Li, Xiao-Yong
Thomas, Sean
Sabo, Peter J.
Eisen, Michael B.
Stamatoyannopoulos, John A.
Biggin, Mark D.
TI The role of chromatin accessibility in directing the widespread,
overlapping patterns of Drosophila transcription factor binding
SO GENOME BIOLOGY
LA English
DT Article
ID EMBRYONIC STEM-CELLS; HOMEOPROTEIN-DNA-BINDING; CIS-REGULATORY MODULES;
INTERACTIONS IN-VIVO; HEAT-SHOCK GENES; HUMAN GENOME;
GLUCOCORTICOID-RECEPTOR; HYPERSENSITIVE SITES; REPRESSOR GRADIENTS;
PROTEIN-BINDING
AB Background: In Drosophila embryos, many biochemically and functionally unrelated transcription factors bind quantitatively to highly overlapping sets of genomic regions, with much of the lowest levels of binding being incidental, non-functional interactions on DNA. The primary biochemical mechanisms that drive these genome-wide occupancy patterns have yet to be established.
Results: Here we use data resulting from the DNaseI digestion of isolated embryo nuclei to provide a biophysical measure of the degree to which proteins can access different regions of the genome. We show that the in vivo binding patterns of 21 developmental regulators are quantitatively correlated with DNA accessibility in chromatin. Furthermore, we find that levels of factor occupancy in vivo correlate much more with the degree of chromatin accessibility than with occupancy predicted from in vitro affinity measurements using purified protein and naked DNA. Within accessible regions, however, the intrinsic affinity of the factor for DNA does play a role in determining net occupancy, with even weak affinity recognition sites contributing. Finally, we show that programmed changes in chromatin accessibility between different developmental stages correlate with quantitative alterations in factor binding.
Conclusions: Based on these and other results, we propose a general mechanism to explain the widespread, overlapping DNA binding by animal transcription factors. In this view, transcription factors are expressed at sufficiently high concentrations in cells such that they can occupy their recognition sequences in highly accessible chromatin without the aid of physical cooperative interactions with other proteins, leading to highly overlapping, graded binding of unrelated factors.
C1 [Thomas, Sean; Sabo, Peter J.; Stamatoyannopoulos, John A.] Univ Washington, Dept Genome Sci, Seattle, WA 98195 USA.
[Li, Xiao-Yong; Eisen, Michael B.; Biggin, Mark D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Genom Div, Berkeley, CA 94720 USA.
[Li, Xiao-Yong; Eisen, Michael B.] Univ Calif Berkeley, Howard Hughes Med Inst, Berkeley, CA 94720 USA.
[Eisen, Michael B.] Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA.
RP Stamatoyannopoulos, JA (reprint author), Univ Washington, Dept Genome Sci, Foege S310A,1705 NE Pacific St,Box 355065, Seattle, WA 98195 USA.
EM jstam@STAMLAB.ORG; mdbiggin@lbl.gov
OI Eisen, Michael/0000-0002-7528-738X
FU US National Institutes of Health (NIH) [GM704403]; NIH [R01GM71923, T90
HG 004007-04]; Department of Energy [DE-AC02-05CH11231]
FX This work is part of a collaboration between the BDTNP and John
Stamatoyannopoulos' group. We are very grateful for the frequent advice,
support, criticism, and enthusiasm of members of both groups. The in
vivo DNA binding data were funded by the US National Institutes of
Health (NIH) under grants GM704403 (to MDB and MBE). Computational
analyses were funded by NIH grant R01GM71923 (to JAS) and T90 HG
004007-04 (to ST). Work at Lawrence Berkeley National Laboratory was
conducted under Department of Energy contract DE-AC02-05CH11231.
NR 108
TC 91
Z9 94
U1 1
U2 3
PU BIOMED CENTRAL LTD
PI LONDON
PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND
SN 1474-760X
J9 GENOME BIOL
JI Genome Biol.
PY 2011
VL 12
IS 4
AR R34
DI 10.1186/gb-2011-12-4-r34
PG 17
WC Biotechnology & Applied Microbiology; Genetics & Heredity
SC Biotechnology & Applied Microbiology; Genetics & Heredity
GA 794BW
UT WOS:000292871100002
PM 21473766
ER
PT J
AU Miller, CS
Baker, BJ
Thomas, BC
Singer, SW
Banfield, JF
AF Miller, Christopher S.
Baker, Brett J.
Thomas, Brian C.
Singer, Steven W.
Banfield, Jillian F.
TI EMIRGE: reconstruction of full-length ribosomal genes from microbial
community short read sequencing data
SO GENOME BIOLOGY
LA English
DT Article
ID MAXIMUM-LIKELIHOOD; RARE BIOSPHERE; RNA GENES; DEEP-SEA; DIVERSITY;
ALIGNMENT; GENOME; AMPLIFICATION; BACTERIA; PCR
AB Recovery of ribosomal small subunit genes by assembly of short read community DNA sequence data generally fails, making taxonomic characterization difficult. Here, we solve this problem with a novel iterative method, based on the expectation maximization algorithm, that reconstructs full-length small subunit gene sequences and provides estimates of relative taxon abundances. We apply the method to natural and simulated microbial communities, and correctly recover community structure from known and previously unreported rRNA gene sequences. An implementation of the method is freely available at https://github.com/csmiller/EMIRGE.
C1 [Miller, Christopher S.; Baker, Brett J.; Thomas, Brian C.; Banfield, Jillian F.] Univ Calif Berkeley, Dept Earth & Planetary Sci, Berkeley, CA 94720 USA.
[Singer, Steven W.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
[Singer, Steven W.] Joint BioEnergy Inst, Deconstruct Div, Emeryville, CA 94660 USA.
[Banfield, Jillian F.] Univ Calif Berkeley, Dept Environm Sci Policy & Management, Berkeley, CA 94720 USA.
RP Miller, CS (reprint author), Univ Calif Berkeley, Dept Earth & Planetary Sci, 307 McCone Hall 4767, Berkeley, CA 94720 USA.
EM csmiller@berkeley.edu; jbanfield@berkeley.edu
RI Baker, Brett/P-1783-2014;
OI Baker, Brett/0000-0002-5971-1021; Miller,
Christopher/0000-0002-9448-8144
FU Genome Sciences Program in Carbon Cycling [DE-SC0004665]; Systems
Biology Knowledgebase [DE-SC0004918]; US Department of Energy, Office of
Science, Office of Biological and Environmental Research; US Department
of Energy, Office of Science, Office of Biological and Environmental
Research, through Lawrence Berkeley National Laboratory
[DE-AC02-05CH11231]; US Department of Energy, Office of Science, Office
of Biological and Environmental Research, through US Department of
Energy [DE-AC02-05CH11231]; Office of Science of the US Department of
Energy [DE-AC02-05CH11231]
FX We thank members of the Banfield lab for helpful discussions. Susannah
Tringe, Tijana Glavina Del Rio and Kurt LaButte of the Joint Genome
Institute (Walnut Creek, CA) are acknowledged for their assistance in
obtaining metagenomic sequencing data. This work was supported by Genome
Sciences Program in Carbon Cycling (contract number DE-SC0004665),
Systems Biology Knowledgebase (contract number DE-SC0004918), and by the
US Department of Energy, Office of Science, Office of Biological and
Environmental Research. Portions of this work were performed as part of
the DOE Joint BioEnergy Institute supported by the US Department of
Energy, Office of Science, Office of Biological and Environmental
Research, through contract DE-AC02-05CH11231 between Lawrence Berkeley
National Laboratory and the US Department of Energy. Metagenomic
sequencing was conducted by the Joint Genome Institute, which is
supported by the Office of Science of the US Department of Energy under
contract number DE-AC02-05CH11231.
NR 54
TC 91
Z9 92
U1 2
U2 28
PU BIOMED CENTRAL LTD
PI LONDON
PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND
SN 1474-760X
J9 GENOME BIOL
JI Genome Biol.
PY 2011
VL 12
IS 5
AR R44
DI 10.1186/gb-2011-12-5-r44
PG 14
WC Biotechnology & Applied Microbiology; Genetics & Heredity
SC Biotechnology & Applied Microbiology; Genetics & Heredity
GA 831LR
UT WOS:000295732700008
PM 21595876
ER
PT J
AU Sucgang, R
Kuo, A
Tian, XJ
Salerno, W
Parikh, A
Feasley, CL
Dalin, E
Tu, H
Huang, EY
Barry, K
Lindquist, E
Shapiro, H
Bruce, D
Schmutz, J
Salamov, A
Fey, P
Gaudet, P
Anjard, C
Babu, MM
Basu, S
Bushmanova, Y
van der Wel, H
Katoh-Kurasawa, M
Dinh, C
Coutinho, PM
Saito, T
Elias, M
Schaap, P
Kay, RR
Henrissat, B
Eichinger, L
Rivero, F
Putnam, NH
West, CM
Loomis, WF
Chisholm, RL
Shaulsky, G
Strassmann, JE
Queller, DC
Kuspa, A
Grigoriev, IV
AF Sucgang, Richard
Kuo, Alan
Tian, Xiangjun
Salerno, William
Parikh, Anup
Feasley, Christa L.
Dalin, Eileen
Tu, Hank
Huang, Eryong
Barry, Kerrie
Lindquist, Erika
Shapiro, Harris
Bruce, David
Schmutz, Jeremy
Salamov, Asaf
Fey, Petra
Gaudet, Pascale
Anjard, Christophe
Babu, M. Madan
Basu, Siddhartha
Bushmanova, Yulia
van der Wel, Hanke
Katoh-Kurasawa, Mariko
Dinh, Christopher
Coutinho, Pedro M.
Saito, Tamao
Elias, Marek
Schaap, Pauline
Kay, Robert R.
Henrissat, Bernard
Eichinger, Ludwig
Rivero, Francisco
Putnam, Nicholas H.
West, Christopher M.
Loomis, William F.
Chisholm, Rex L.
Shaulsky, Gad
Strassmann, Joan E.
Queller, David C.
Kuspa, Adam
Grigoriev, Igor V.
TI Comparative genomics of the social amoebae Dictyostelium discoideum and
Dictyostelium purpureum
SO GENOME BIOLOGY
LA English
DT Article
ID DIFFERENTIATION-INDUCING-FACTOR; CELLULAR SLIME-MOLD; MULTIPLE SEQUENCE
ALIGNMENT; ADENYLYL-CYCLASE; TERMINAL DIFFERENTIATION; POLYKETIDE
SYNTHASE; NATURAL-PRODUCTS; CHEATER MUTANTS; PROTEIN-KINASES; NONCODING
RNAS
AB Background: The social amoebae (Dictyostelia) are a diverse group of Amoebozoa that achieve multicellularity by aggregation and undergo morphogenesis into fruiting bodies with terminally differentiated spores and stalk cells. There are four groups of dictyostelids, with the most derived being a group that contains the model species Dictyostelium discoideum.
Results: We have produced a draft genome sequence of another group dictyostelid, Dictyostelium purpureum, and compare it to the D. discoideum genome. The assembly (8.41 x coverage) comprises 799 scaffolds totaling 33.0 Mb, comparable to the D. discoideum genome size. Sequence comparisons suggest that these two dictyostelids shared a common ancestor approximately 400 million years ago. In spite of this divergence, most orthologs reside in small clusters of conserved synteny. Comparative analyses revealed a core set of orthologous genes that illuminate dictyostelid physiology, as well as differences in gene family content. Interesting patterns of gene conservation and divergence are also evident, suggesting function differences; some protein families, such as the histidine kinases, have undergone little functional change, whereas others, such as the polyketide synthases, have undergone extensive diversification. The abundant amino acid homopolymers encoded in both genomes are generally not found in homologous positions within proteins, so they are unlikely to derive from ancestral DNA triplet repeats. Genes involved in the social stage evolved more rapidly than others, consistent with either relaxed selection or accelerated evolution due to social conflict.
Conclusions: The findings from this new genome sequence and comparative analysis shed light on the biology and evolution of the Dictyostelia.
C1 [Sucgang, Richard; Salerno, William; Dinh, Christopher; Kuspa, Adam] Baylor Coll Med, Verna & Marrs Mclean Dept Biochem & Mol Biol, Houston, TX 77030 USA.
[Kuo, Alan; Dalin, Eileen; Tu, Hank; Barry, Kerrie; Lindquist, Erika; Shapiro, Harris; Bruce, David; Schmutz, Jeremy; Salamov, Asaf; Grigoriev, Igor V.] US DOE, Joint Genome Inst, Walnut Creek, CA USA.
[Tian, Xiangjun; Putnam, Nicholas H.; Shaulsky, Gad; Strassmann, Joan E.; Queller, David C.; Kuspa, Adam] Rice Univ, Dept Ecol & Evolutionary Biol, Houston, TX 77005 USA.
[Parikh, Anup; Huang, Eryong; Katoh-Kurasawa, Mariko; Shaulsky, Gad; Kuspa, Adam] Baylor Coll Med, Dept Mol & Human Genet, Houston, TX 77030 USA.
[Feasley, Christa L.; van der Wel, Hanke; West, Christopher M.] Univ Oklahoma, Hlth Sci Ctr, Dept Biochem & Mol Biol, Oklahoma Ctr Med Glycobiol, Oklahoma City, OK 73104 USA.
[Fey, Petra; Gaudet, Pascale; Basu, Siddhartha; Bushmanova, Yulia; Chisholm, Rex L.] Northwestern Univ, Ctr Genet Med, DictyBase, Chicago, IL 60611 USA.
[Anjard, Christophe; Loomis, William F.] Univ Calif San Diego, Sect Cell & Dev Biol, Div Biol, La Jolla, CA 92093 USA.
[Babu, M. Madan; Kay, Robert R.] MRC Ctr, Mol Biol Lab, Cambridge CB2 2QH, England.
[Coutinho, Pedro M.; Henrissat, Bernard] Univ Aix Marseille 1, UMR6098, CNRS, F-13288 Marseille, France.
[Coutinho, Pedro M.; Henrissat, Bernard] Univ Aix Marseille 2, UMR6098, CNRS, F-13288 Marseille, France.
[Saito, Tamao] Sophia Univ, Dept Mat & Life Sci, Chiyoda Ku, Tokyo 1028554, Japan.
[Elias, Marek] Charles Univ Prague, Dept Bot, Fac Sci, Prague 12843, Czech Republic.
[Elias, Marek] Charles Univ Prague, Dept Parasitol, Fac Sci, Prague 12843, Czech Republic.
[Schaap, Pauline] Univ Dundee, Coll Life Sci, Dundee DD1 5EH, Scotland.
[Eichinger, Ludwig] University Cologne, Ctr Mol Med Cologne, D-50931 Cologne, Germany.
[Rivero, Francisco] Univ Hull, Ctr Biomed Res, Hull York Med Sch, Kingston Upon Hull HU6 7RX, N Humberside, England.
[Rivero, Francisco] Univ Hull, Dept Biol Sci, Kingston Upon Hull HU6 7RX, N Humberside, England.
RP Kuspa, A (reprint author), Baylor Coll Med, Verna & Marrs Mclean Dept Biochem & Mol Biol, 1 Baylor Plaza, Houston, TX 77030 USA.
EM akuspa@bcm.edu
RI Putnam, Nicholas/B-9968-2008; Schaap, Pauline/A-3682-2009; Henrissat,
Bernard/J-2475-2012; Elias, Marek/D-6851-2014; Fey, Petra/O-5977-2015;
OI Putnam, Nicholas/0000-0002-1315-782X; Schaap,
Pauline/0000-0003-4500-2555; Elias, Marek/0000-0003-0066-6542; Fey,
Petra/0000-0002-4532-2703; Kuspa, Adam/0000-0002-9156-149X; Kay, Robert
R/0000-0001-9836-7967; Shaulsky, Gad/0000-0002-0532-0551; Strassmann,
Joan/0000-0003-0638-8440
FU US Department of Energy's Office of Science, Biological and
Environmental Research; University of California; Lawrence Berkeley
National Laboratory [DE-AC02-05CH11231]; Lawrence Livermore National
Laboratory [DE-AC52-07NA27344]; Los Alamos National Laboratory
[DE-AC02-06NA25396]; National Institute of Health [HD39691, GM64426,
HG0022, GM84383]; National Science Foundation [EF-0626963, DEB-0918931];
Keck Center for Interdisciplinary Bioscience Training of the Gulf Coast
Consortia (NIH) [1 T90 DA022885, 1 R90 DA023418]
FX This work was performed under the auspices of the US Department of
Energy's Office of Science, Biological and Environmental Research
Program and the University of California, Lawrence Berkeley National
Laboratory under contract No. DE-AC02-05CH11231, Lawrence Livermore
National Laboratory under Contract No. DE-AC52-07NA27344, Los Alamos
National Laboratory under contract No. DE-AC02-06NA25396. The annotation
effort was supported by grants HD39691 (A Kuspa, GS, and RS), GM64426
(RLC), HG0022 (RLC) and GM84383 (CMW) from the National Institute of
Health, and by grants EF-0626963 and DEB-0918931 (JES and DCQ) from the
National Science Foundation. AP was supported by a fellowship from the
Keck Center for Interdisciplinary Bioscience Training of the Gulf Coast
Consortia (NIH Grants 1 T90 DA022885 and 1 R90 DA023418).
NR 130
TC 62
Z9 64
U1 2
U2 38
PU BIOMED CENTRAL LTD
PI LONDON
PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND
SN 1465-6906
J9 GENOME BIOL
JI Genome Biol.
PY 2011
VL 12
IS 2
AR R20
DI 10.1186/gb-2011-12-2-r20
PG 23
WC Biotechnology & Applied Microbiology; Genetics & Heredity
SC Biotechnology & Applied Microbiology; Genetics & Heredity
GA 748BS
UT WOS:000289365600016
PM 21356102
ER
PT J
AU Thomas, S
Li, XY
Sabo, PJ
Sandstrom, R
Thurman, RE
Canfield, TK
Giste, E
Fisher, W
Hammonds, A
Celniker, SE
Biggin, MD
Stamatoyannopoulos, JA
AF Thomas, Sean
Li, Xiao-Yong
Sabo, Peter J.
Sandstrom, Richard
Thurman, Robert E.
Canfield, Theresa K.
Giste, Erika
Fisher, William
Hammonds, Ann
Celniker, Susan E.
Biggin, Mark D.
Stamatoyannopoulos, John A.
TI Dynamic reprogramming of chromatin accessibility during Drosophila
embryo development
SO GENOME BIOLOGY
LA English
DT Article
ID TRANSCRIPTION FACTOR-BINDING; DNASE-I; HYPERSENSITIVE SITES;
GENE-EXPRESSION; MELANOGASTER; GENOME; ELEMENTS; REGIONS; SEGMENTATION;
DISCOVERY
AB Background: The development of complex organisms is believed to involve progressive restrictions in cellular fate. Understanding the scope and features of chromatin dynamics during embryogenesis, and identifying regulatory elements important for directing developmental processes remain key goals of developmental biology.
Results: We used in vivo DNaseI sensitivity to map the locations of regulatory elements, and explore the changing chromatin landscape during the first 11 hours of Drosophila embryonic development. We identified thousands of conserved, developmentally dynamic, distal DNaseI hypersensitive sites associated with spatial and temporal expression patterning of linked genes and with large regions of chromatin plasticity. We observed a nearly uniform balance between developmentally up-and down-regulated DNaseI hypersensitive sites. Analysis of promoter chromatin architecture revealed a novel role for classical core promoter sequence elements in directing temporally regulated chromatin remodeling. Another unexpected feature of the chromatin landscape was the presence of localized accessibility over many protein-coding regions, subsets of which were developmentally regulated or associated with the transcription of genes with prominent maternal RNA contributions in the blastoderm.
Conclusions: Our results provide a global view of the rich and dynamic chromatin landscape of early animal development, as well as novel insights into the organization of developmentally regulated chromatin features.
C1 [Thomas, Sean; Sabo, Peter J.; Sandstrom, Richard; Thurman, Robert E.; Canfield, Theresa K.; Giste, Erika; Stamatoyannopoulos, John A.] Univ Washington, Dept Genome Sci, Seattle, WA 98195 USA.
[Li, Xiao-Yong; Fisher, William; Hammonds, Ann; Celniker, Susan E.; Biggin, Mark D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Genom Div, Berkeley, CA 94720 USA.
[Li, Xiao-Yong; Fisher, William; Hammonds, Ann; Celniker, Susan E.; Biggin, Mark D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
RP Stamatoyannopoulos, JA (reprint author), Univ Washington, Dept Genome Sci, Foege S310A,1705 NE Pacific St,Box 355065, Seattle, WA 98195 USA.
EM jstam@uw.edu
FU BDTNP; US National Institutes of Health (NIH) [GM704403, R01GM71923, T90
HG 004007-04]; Department of Energy [DE-AC02-05CH11231]
FX This work is part of collaboration between the Berkeley Drosophila
Transcription Network Project (BDTNP) and the Stamatoyannopoulos lab at
UW. Special thanks to Brendan Henry for technical assistance during
analysis and to the members of the BDTNP for thoughtful comments on, and
support of, this project. This work was funded by the US National
Institutes of Health (NIH) under grants GM704403 (to MDB, SC, and MBE),
R01GM71923 (JAS), and T90 HG 004007-04 (ST). Work at Lawrence Berkeley
National Laboratory was conducted under Department of Energy contract
DE-AC02-05CH11231.
NR 64
TC 67
Z9 67
U1 0
U2 6
PU BIOMED CENTRAL LTD
PI LONDON
PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND
SN 1474-760X
J9 GENOME BIOL
JI Genome Biol.
PY 2011
VL 12
IS 5
AR R43
DI 10.1186/gb-2011-12-5-r43
PG 17
WC Biotechnology & Applied Microbiology; Genetics & Heredity
SC Biotechnology & Applied Microbiology; Genetics & Heredity
GA 831LR
UT WOS:000295732700007
PM 21569360
ER
PT J
AU Legatzki, A
Ortiz, M
Neilson, J
Dominguez, S
Andersen, GL
Toomey, RS
Pryor, BM
Pierson, LS
Maier, RM
AF Legatzki, Antje
Ortiz, Marian
Neilson, JuliaW.
Dominguez, Sky
Andersen, Gary L.
Toomey, Rickard S.
Pryor, Barry M.
Pierson, Leland S., III
Maier, Raina M.
TI Bacterial and Archaeal Community Structure of Two Adjacent Calcite
Speleothems in Kartchner Caverns, Arizona, USA
SO GEOMICROBIOLOGY JOURNAL
LA English
DT Article
DE Carbonate cave; speleothem; DGGE; Community structure; PhyloChip
ID GRADIENT GEL-ELECTROPHORESIS; 16S RIBOSOMAL-RNA;
POLYMERASE-CHAIN-REACTION; FERROMANGANESE DEPOSITS; MICROBIAL
COMMUNITIES; ALTAMIRA CAVE; ENVIRONMENTS; POPULATIONS; DIVERSITY;
GEOMICROBIOLOGY
AB Information concerning the bacterial and archaeal communities present on calcite speleothems in carbonate caves is of interest because the activity of these microbes has been implicated as a potential biogenic component in the formation of secondary mineral deposits. In addition, these speleothems may harbor unique, previously unidentified microbes. The current study presents a comparative analysis of the superficial bacterial and archaeal community structure of multiple stalactites from two different cave formations located in close proximity to each other in a nonhuman-impacted area of Kartchner Caverns, Arizona, USA. PCR-denaturing gradient gel electrophoresis analysis (PCR-DGGE) revealed that microbial communities sampled from stalactites of a single speleothem are more similar to each other than to the communities sampled from stalactites of an adjacent speleothem, suggesting that both bacterial and archaeal communities are speleothem-specific. SR-XRD analysis confirmed that both speleothems sampled were primarily calcite, but subtle differences were detected in the elemental composition profiles obtained from ICP-MS analysis indicating that substrate geochemistry was also speleothem-specific. PhyloChip analysis of composite samples from both speleothems revealed a broad diversity of phyla represented in the bacterial communities, while bacterial and archaeal bands sequenced from the DGGE profiles confirmed the presence of unique phylotypes not closely related ( 96% similarity) to any sequences deposited in the GenBank database.
C1 [Legatzki, Antje; Ortiz, Marian; Neilson, JuliaW.; Dominguez, Sky; Maier, Raina M.] Univ Arizona, Dept Soil Water & Environm Sci, Tucson, AZ 85721 USA.
[Andersen, Gary L.] Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA USA.
[Toomey, Rickard S.] Mammoth Cave Int Ctr Sci & Learning, Bowling Green, KY USA.
[Pryor, Barry M.; Pierson, Leland S., III] Univ Arizona, Sch Plant Sci, Div Plant Pathol & Microbiol, Tucson, AZ USA.
RP Maier, RM (reprint author), Univ Arizona, Dept Soil Water & Environm Sci, Shantz Bldg,Room 429,1177 E 4th St, Tucson, AZ 85721 USA.
EM rmaier@ag.arizona.edu
RI Andersen, Gary/G-2792-2015
OI Andersen, Gary/0000-0002-1618-9827
FU National Science Foundation [MCB0604300]; Arizona State Parks Board
FX This research was supported by Microbial Observatories Grant MCB0604300
from the National Science Foundation with additional funding from the
Arizona State Parks Board.
NR 45
TC 10
Z9 11
U1 1
U2 26
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
SN 0149-0451
J9 GEOMICROBIOL J
JI Geomicrobiol. J.
PY 2011
VL 28
IS 2
BP 99
EP 117
AR PII 933982283
DI 10.1080/01490451003738465
PG 19
WC Environmental Sciences; Geosciences, Multidisciplinary
SC Environmental Sciences & Ecology; Geology
GA 726GY
UT WOS:000287709300001
ER
PT J
AU Davidson, MM
Silver, BJ
Onstott, TC
Moser, DP
Gihring, TM
Pratt, LM
Boice, EA
Lollar, BS
Lippmann-Pipke, J
Pfiffner, SM
Kieft, TL
Seymore, W
Ralston, C
AF Davidson, Mark M.
Silver, Bianca J.
Onstott, T. C.
Moser, Duane P.
Gihring, Thomas M.
Pratt, Lisa M.
Boice, Erik A.
Lollar, Barbara Sherwood
Lippmann-Pipke, Johanna
Pfiffner, Susan M.
Kieft, T. L.
Seymore, Walter
Ralston, Colin
TI Capture of Planktonic Microbial Diversity in Fractures by Long-Term
Monitoring of Flowing Boreholes, Evander Basin, South Africa
SO GEOMICROBIOLOGY JOURNAL
LA English
DT Article
DE 16S rRNAphylogeny; dsrAB; sulfate reduction; methanogenesis; isotope
geochemistry
ID SULFATE-REDUCING BACTERIA; FATTY-ACID PROFILES; SULFUR ISOTOPE
FRACTIONATION; DEEP GOLD MINE; WITWATERSRAND BASIN; SP NOV.; COMMUNITY
STRUCTURE; IN-SITU; SUBSURFACE BACTERIA; ESTUARINE SEDIMENTS
AB The diversity of planktonic microorganisms in fluids from a group of flowing subterranean boreholes was monitored from the day they were drilled to as long as three and a half months after drilling as they drained into Evander Au mine. Geochemical analyses of the water, characterization of microbial communities by phospholipids fatty acid (PLFA) and DNA sequence analyses, and calculations of free energy flux indicated that mine-introduced microbial contaminants, dominated by and Proteobacteria, Cenarchaeaceae and Candidatus Nitrososphaera, were flushed from the boreholes and replaced by fracture water derived microbial communities dominated by Firmicutes, Methanosarcinalesand Thermoproteaceaea. The fracture water was a mixture of paleometeoric water and 2.0 Ga old, diagenetically altered, hydrothermal fluid. The C and H isotopic data for C1-4 indicated that the CH4 was primarily abiogenic in origin although 35-50% of it might have originated from microbial methanogenesis. Noble gas analyses yielded estimated residence times of some 10 million years for the fracture water, which is estimated to represent a capture cross-section of 0.25-0.50 km2. The 16S rRNA and dsrAB gene sequences indicated that the indigenous bacterial communities were predominantly comprised of sulfate reducers belonging to the genera Desulfotomaculum, Candiditus Desulforudis and Desulfofustis. The sulfur isotopic analyses of sulfate and sulfide yielded fractionation 34S values ranging from 16 to 22% consistent with microbial sulfate reduction. Thermodynamic analyses indicate that methanogenic reactions are inhibited by the high partial pressure of abiogenic CH4 and that sulfate-reducing reactions are more favorable, which is consistent with the abundance of 16S rRNA genes belonging to known sulfate reducing bacteria. Supplemental materials are available for this article. Go to the publisher's online edition of Geomicrobiology Journal to view the free supplemental files.
C1 [Davidson, Mark M.; Silver, Bianca J.; Onstott, T. C.] Princeton Univ, Dept Geosci, Princeton, NJ 08544 USA.
[Davidson, Mark M.] Geosyntec, Pasadena, CA USA.
[Moser, Duane P.; Gihring, Thomas M.] Pacific NW Natl Lab, Environm Microbiol Grp, Richland, WA 99352 USA.
[Moser, Duane P.] Desert Res Inst, Div Earth & Ecosyst Sci, Las Vegas, NV USA.
[Gihring, Thomas M.] Oak Ridge Natl Lab, Microbial Ecol & Physiol Grp, Biosci Div, Oak Ridge, TN USA.
[Pratt, Lisa M.; Boice, Erik A.] Indiana Univ, Dept Geol, Bloomington, IN 47405 USA.
[Boice, Erik A.] ExxonMobil Res & Engn Co, Houston, TX USA.
[Lollar, Barbara Sherwood] Univ Toronto, Dept Geol, Toronto, ON, Canada.
[Lippmann-Pipke, Johanna] Forschungszentrum Dresden Rossendorf, Inst Radiochem, Leipzig, Germany.
[Pfiffner, Susan M.] Univ Tennessee, Ctr Biomarker Anal, Knoxville, TN USA.
[Kieft, T. L.] New Mexico Inst Min & Technol, Dept Biol, Socorro, NM 87801 USA.
RP Onstott, TC (reprint author), Princeton Univ, Dept Geosci, Princeton, NJ 08544 USA.
EM tullis@princeton.edu
RI Lippmann-Pipke, Johanna/D-7987-2011
OI Lippmann-Pipke, Johanna/0000-0002-9765-3803
FU National Science Foundation [EAR-9978267, EAR 0409605]; NASA
Astrobiology Institute; NSERC; Canada Council Killam Research
FX This research was supported by National Science Foundation LExEn program
grant EAR-9978267 to T.C. Onstott, the NASA Astrobiology Institute grant
to L.M. Pratt of Indiana University, by NSERC Discovery and Canada
Council Killam Research funding to B. S. Lollar, and by the National
Science Foundation Continental Dynamics program grant EAR 0409605 to
Zeev Reches, University of Oklahoma. Special thanks to Harmony Gold Mine
for permission to collect samples and publish these results.
NR 80
TC 13
Z9 13
U1 0
U2 36
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
SN 0149-0451
J9 GEOMICROBIOL J
JI Geomicrobiol. J.
PY 2011
VL 28
IS 4
BP 275
EP 300
AR PII 938115604
DI 10.1080/01490451.2010.499928
PG 26
WC Environmental Sciences; Geosciences, Multidisciplinary
SC Environmental Sciences & Ecology; Geology
GA 773IY
UT WOS:000291301400001
ER
PT J
AU Stewart, BD
Amos, RT
Nico, PS
Fendorf, S
AF Stewart, Brandy D.
Amos, Richard T.
Nico, Peter S.
Fendorf, Scott
TI Influence of Uranyl Speciation and Iron Oxides on Uranium Biogeochemical
Redox Reactions
SO GEOMICROBIOLOGY JOURNAL
LA English
DT Article
DE uranium; redox; biogeochemistry; uraninite; microbial
ID HIGHLY CONTAMINATED AQUIFER; REDUCING BACTERIA; FERRIC (HYDR)OXIDES;
COMPLEX-FORMATION; DISSOLVED-OXYGEN; REDUCTION; U(VI); REOXIDATION;
ADSORPTION; CARBONATE
AB Uranium is a pollutant of concern to both human and ecosystem health. Uranium's redox state often dictates its partitioning between the aqueous-and solid-phases, and thus controls its dissolved concentration and, coupled with groundwater flow, its migration within the environment. In anaerobic environments, the more oxidized and mobile form of uranium (UO(2)(2+) and associated species) may be reduced, directly or indirectly, by microorganisms to U(IV) with subsequent precipitation of UO(2). However, various factors within soils and sediments may limit biological reduction of U(VI), inclusive of alterations in U(VI) speciation and competitive electron acceptors. Here we elucidate the impact of U(VI) speciation on the extent and rate of reduction with specific emphasis on speciation changes induced by dissolved Ca, and we examine the impact of Fe(III) (hydr) oxides (ferrihydrite, goethite and hematite) varying in free energies of formation on U reduction. The amount of uranium removed from solution during 100 h of incubation with S. putrefaciens was 77% with no Ca or ferrihydrite present but only 24% (with ferrihydrite) and 14% (no ferrihydrite) were removed for systems with 0.8 mM Ca. Imparting an important criterion on uranium reduction, goethite and hematite decrease the dissolved concentration of calcium through adsorption and thus tend to diminish the effect of calcium on uranium reduction. Dissimilatory reduction of Fe(III) and U(VI) can proceed through different enzyme pathways, even within a single organism, thus providing a potential second means by which Fe(III) bearing minerals may impact U(VI) reduction. We quantify rate coefficients for simultaneous dissimilatory reduction of Fe(III) and U(VI) in systems varying in Ca concentration (0 to 0.8 mM), and using a mathematical construct implemented with the reactive transport code MIN3P, we reveal the predominant influence of uranyl speciation, specifically the formation of uranyl-calcium-carbonato complexes, and ferrihydrite on the rate and extent of uranium reduction in complex geochemical systems.
C1 [Stewart, Brandy D.; Fendorf, Scott] Stanford Univ, Stanford, CA 94305 USA.
[Amos, Richard T.] Univ Waterloo, Dept Earth & Environm Sci, Waterloo, ON N2L 3G1, Canada.
[Nico, Peter S.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
RP Stewart, BD (reprint author), Stanford Univ, Stanford, CA 94305 USA.
EM brandy.stewart@erc.montana.edu
RI Nico, Peter/F-6997-2010
OI Nico, Peter/0000-0002-4180-9397
FU Office of Biological and Environmental Science, U.S. Department of
Energy [ER63609-1021814]; Stanford NSF Environmental Molecular Sciences
Institute [NSF-CHE-0431425]; U.S. Department of Energy, Office of
Science, Office of Biological and Environmental Resources
[DE-AC02-05CH11231]
FX We would like to thank Shawn Benner for his constructive input on this
manuscript, Jim Neiss for experimental assistance, and Guangchao Li for
assisting with experimental measurements. This work was funded by the
Environmental Remediation Science Program, Office of Biological and
Environmental Science, U.S. Department of Energy (grant number
ER63609-1021814), by the Stanford NSF Environmental Molecular Sciences
Institute (NSF-CHE-0431425), and in part by the U.S. Department of
Energy, Office of Science, Office of Biological and Environmental
Resources as part of the Subsurface Science Scientific Focus Area under
Award Number DE-AC02-05CH11231.
NR 49
TC 13
Z9 13
U1 6
U2 46
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
SN 0149-0451
J9 GEOMICROBIOL J
JI Geomicrobiol. J.
PY 2011
VL 28
IS 5-6
SI SI
BP 444
EP 456
DI 10.1080/01490451.2010.507646
PG 13
WC Environmental Sciences; Geosciences, Multidisciplinary
SC Environmental Sciences & Ecology; Geology
GA 837IR
UT WOS:000296189400007
ER
PT J
AU Williams, KH
Long, PE
Davis, JA
Wilkins, MJ
N'Guessan, AL
Steefel, CI
Yang, L
Newcomer, D
Spane, FA
Kerkhof, LJ
McGuinness, L
Dayvault, R
Lovley, DR
AF Williams, Kenneth H.
Long, Philip E.
Davis, James A.
Wilkins, Michael J.
N'Guessan, A. Lucie
Steefel, Carl I.
Yang, Li
Newcomer, Darrell
Spane, Frank A.
Kerkhof, Lee J.
McGuinness, Lora
Dayvault, Richard
Lovley, Derek R.
TI Acetate Availability and its Influence on Sustainable Bioremediation of
Uranium-Contaminated Groundwater
SO GEOMICROBIOLOGY JOURNAL
LA English
DT Article
DE uranium; bioremediation; Geobacter; iron-reduction; sulfate-reduction
ID RAY-ABSORPTION SPECTROSCOPY; FE(III) OXIDE REDUCTION; SUBMICROMOLAR
LEVELS; MICROBIAL REDUCTION; AQUEOUS URANIUM(VI); ANAEROBIC OXIDATION;
SULFATE REDUCTION; AQUATIC SEDIMENTS; HYDROGEN-SULFIDE; MARINE-SEDIMENTS
AB Field biostimulation experiments at the U. S. Department of Energy's Integrated Field Research Challenge (IFRC) site in Rifle, Colorado, have demonstrated that uranium concentrations in groundwater can be decreased to levels below the U.S. Environmental Protection Agency's (EPA) drinking water standard (0.126 mu M). During successive summer experiments - referred to as "Winchester" (2007) and "Big Rusty" (2008) - acetate was added to the aquifer to stimulate the activity of indigenous dissimilatory metal-reducing bacteria capable of reductively immobilizing uranium. The two experiments differed in the length of injection (31 vs. 110 days), the maximum concentration of acetate (5 vs. 30 mM), and the extent to which iron reduction ("Winchester") or sulfate reduction ("Big Rusty") was the predominant metabolic process. In both cases, rapid removal of U(VI) from groundwater occurred at calcium concentrations (6 mM) and carbonate alkalinities (8 meq/L) where Ca-UO2-CO3 ternary complexes constitute > 90% of uranyl species in groundwater. Complete consumption of acetate and increased alkalinity (> 30 meq/L) accompanying the onset of sulfate reduction corresponded to temporary increases in U(VI); however, by increasing acetate concentrations in excess of available sulfate (10 mM), low U(VI) concentrations (0.1-0.05 mu M) were achieved for extended periods of time (> 140 days). Uniform delivery of acetate during "Big Rusty" was impeded due to decreases in injection well permeability, likely resulting from biomass accumulation and carbonate and sulfide mineral precipitation. Such decreases were not observed during the short-duration "Winchester" experiment. Terminal restriction fragment length polymorphism (TRFLP) analysis of 16S rRNA genes demonstrated that Geobacter sp. and Geobacter-like strains dominated the groundwater community profile during iron reduction, with C-13 stable isotope probing (SIP) results confirming these strains were actively utilizing acetate to replicate their genome during the period of optimal U(VI) removal. Gene transcript levels during "Big Rusty" were quantified for Geobacter-specific citrate synthase (gltA), with ongoing transcription during sulfate reduction indicating that members of the Geobacteraceae were still active and likely contributing to U(VI) removal. The persistence of reducible Fe(III) in sediments recovered from an area of prolonged (110-day) sulfate reduction is consistent with this conclusion. These results indicate that acetate availability and its ability to sustain the activity of iron-and uranyl-respiring Geobacter strains during sulfate reduction exerts a primary control on optimized U(VI) removal from groundwater at the Rifle IFRC site over extended time scales (>50 days).
C1 [Williams, Kenneth H.; Steefel, Carl I.; Yang, Li] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Long, Philip E.; Wilkins, Michael J.; N'Guessan, A. Lucie; Newcomer, Darrell; Spane, Frank A.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Davis, James A.] US Geol Survey, Menlo Pk, CA 94025 USA.
[Kerkhof, Lee J.; McGuinness, Lora] Rutgers State Univ, Inst Marine & Coastal Sci, Piscataway, NJ 08855 USA.
[Dayvault, Richard] SM Stoller Corp, Grand Junction, CO USA.
[Lovley, Derek R.] Univ Massachusetts, Dept Microbiol, Amherst, MA 01003 USA.
RP Williams, KH (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
EM khwilliams@lbl.gov
RI YANG, LI/F-9392-2010; Steefel, Carl/B-7758-2010; Wilkins,
Michael/A-9358-2013; Long, Philip/F-5728-2013; Williams,
Kenneth/O-5181-2014; Davis, James/G-2788-2015
OI Long, Philip/0000-0003-4152-5682; Williams, Kenneth/0000-0002-3568-1155;
FU U.S. Department of Energy, Office of Science, Environmental Remediation
Science; Lawrence Berkeley National Laboratory's Subsurface Science
Scientific Focus Area; U.S. Department of Energy by the University of
California [DE-AC02-05CH11231, DE-FC02ER63446]; United States Department
Of Energy [DE-AC06-76RL01830]
FX This research was funded by the U.S. Department of Energy, Office of
Science, Environmental Remediation Science Program through the
Integrated Field Research Challenge Site (IFRC) at Rifle, Colorado, a
multi-institutional, multi-disciplinary project whose objective is to
gain a comprehensive and mechanistic understanding of the microbial
factors and associated geochemistry controlling uranium mobility so that
DOE can confidently remediate uranium plumes, as well as support
stewardship of uranium-contaminated sites. Additional funding was
provided as part of the Lawrence Berkeley National Laboratory's
Subsurface Science Scientific Focus Area. The Lawrence Berkeley National
Laboratory and Pacific Northwest National Laboratory are U. S.
Department of Energy, Office of Science laboratories that solve complex
problems in energy, national security and the environment and advance
scientific frontiers in the chemical, biological, materials,
environmental and computational sciences. Lawrence Berkeley National
Laboratory is operated for the U.S. Department of Energy by the
University of California under contract DE-AC02-05CH11231 and
Cooperative Agreement DE-FC02ER63446. Pacific Northwest National
Laboratory is operated by Battelle for the United States Department Of
Energy under Contract DE-AC06-76RL01830. We thank Dave Traub, Paula
Mouser, Hila Elifantz, Melissa Barlett, Marzia Miletto, Evan Arntzen,
Tom Resch, Chris Anderson, and Peter and Ruben Jaffe for their
assistance with the field experiments. We thank Sarah Morris for
quantifying groundwater uranium concentrations.
NR 67
TC 116
Z9 116
U1 7
U2 67
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA
SN 0149-0451
EI 1521-0529
J9 GEOMICROBIOL J
JI Geomicrobiol. J.
PY 2011
VL 28
IS 5-6
SI SI
BP 519
EP 539
DI 10.1080/01490451.2010.520074
PG 21
WC Environmental Sciences; Geosciences, Multidisciplinary
SC Environmental Sciences & Ecology; Geology
GA 837IR
UT WOS:000296189400013
ER
PT J
AU Wang, M
Ghan, S
Easter, R
Ovchinnikov, M
Liu, X
Kassianov, E
Qian, Y
Gustafson, WI
Larson, VE
Schanen, DP
Khairoutdinov, M
Morrison, H
AF Wang, M.
Ghan, S.
Easter, R.
Ovchinnikov, M.
Liu, X.
Kassianov, E.
Qian, Y.
Gustafson, W. I., Jr.
Larson, V. E.
Schanen, D. P.
Khairoutdinov, M.
Morrison, H.
TI The multi-scale aerosol-climate model PNNL-MMF: model description and
evaluation
SO GEOSCIENTIFIC MODEL DEVELOPMENT
LA English
DT Article
ID CLOUD-RESOLVING MODEL; RADIATION MEASUREMENT PROGRAM; SINGLE-COLUMN
MODELS; CONVECTIVE CLOUDS; OPTICAL-PROPERTIES; TRANSPORT MODELS;
SULFURIC-ACID; NORTH PACIFIC; GLOBAL-MODELS; PART I
AB Anthropogenic aerosol effects on climate produce one of the largest uncertainties in estimates of radiative forcing of past and future climate change. Much of this uncertainty arises from the multi-scale nature of the interactions between aerosols, clouds and large-scale dynamics, which are difficult to represent in conventional general circulation models (GCMs). In this study, we develop a multi-scale aerosol-climate model that treats aerosols and clouds across different scales, and evaluate the model performance, with a focus on aerosol treatment. This new model is an extension of a multi-scale modeling framework (MMF) model that embeds a cloud-resolving model (CRM) within each grid column of a GCM. In this extension, the effects of clouds on aerosols are treated by using an explicit-cloud parameterized-pollutant (ECPP) approach that links aerosol and chemical processes on the large-scale grid with statistics of cloud properties and processes resolved by the CRM. A two-moment cloud microphysics scheme replaces the simple bulk microphysics scheme in the CRM, and a modal aerosol treatment is included in the GCM. With these extensions, this multi-scale aerosol-climate model allows the explicit simulation of aerosol and chemical processes in both stratiform and convective clouds on a global scale. Simulated aerosol budgets in this new model are in the ranges of other model studies. Simulated gas and aerosol concentrations are in reasonable agreement with observations (within a factor of 2 in most cases), although the model underestimates black carbon concentrations at the surface by a factor of 2-4. Simulated aerosol size distributions are in reasonable agreement with observations in the marine boundary layer and in the free troposphere, while the model underestimates the accumulation mode number concentrations near the surface, and overestimates the accumulation mode number concentrations in the middle and upper free troposphere by a factor of about 2. The overestimation of accumulation model number concentrations in the middle and upper free troposphere is consistent with large aerosol mass fraction above 5 km in the MMF model compared with other models. Simulated cloud condensation nuclei (CCN) concentrations are within the observational variations. Simulated aerosol optical depths (AOD) are in reasonable agreement with observations (within a factor of 2), and the spatial distribution of AOD is consistent with observations, while the model underestimates AOD over regions with strong fossil fuel and biomass burning emissions. Overall, this multi-scale aerosol-climate model simulates aerosol fields as well as conventional aerosol models.
C1 [Wang, M.; Ghan, S.; Easter, R.; Ovchinnikov, M.; Liu, X.; Kassianov, E.; Qian, Y.; Gustafson, W. I., Jr.] Pacific NW Natl Lab, Atmospher Sci & Global Change Div, Richland, WA 99352 USA.
[Larson, V. E.; Schanen, D. P.] Univ Wisconsin, Dept Math Sci, Milwaukee, WI 53201 USA.
[Khairoutdinov, M.] SUNY Stony Brook, Sch Marine & Atmospher Sci, Stony Brook, NY 11794 USA.
[Morrison, H.] Natl Ctr Atmospher Res, Mesoscale & Microscale Meteorol Div, Boulder, CO 80307 USA.
RP Wang, M (reprint author), Pacific NW Natl Lab, Atmospher Sci & Global Change Div, Richland, WA 99352 USA.
EM minghuai.wang@pnl.gov
RI Gustafson, William/A-7732-2008; Ghan, Steven/H-4301-2011; Wang,
Minghuai/E-5390-2011; qian, yun/E-1845-2011; Liu, Xiaohong/E-9304-2011
OI Gustafson, William/0000-0001-9927-1393; Ghan,
Steven/0000-0001-8355-8699; Wang, Minghuai/0000-0002-9179-228X; Liu,
Xiaohong/0000-0002-3994-5955
FU NASA [NNX07AI56G]; National Oceanic and Atmospheric Administration
[NA08OAR4310544]; NOAA [NA08OAR4310543]; U.S. DOE [DE-FG02-08ER64574];
NSF Science and Technology Center for Multiscale Modeling of Atmospheric
Processes (CMMAP) [ATM-0425247]; DOE [DE-AC06-76RLO 1830]
FX This work was supported by the NASA Interdisciplinary Science Program
under grant NNX07AI56G. M. K. was supported by Grant NA08OAR4310544 from
the National Oceanic and Atmospheric Administration to Stony Brook
University. H. M. was supported by the NOAA grant NA08OAR4310543, U.S.
DOE ARM DE-FG02-08ER64574, and the NSF Science and Technology Center for
Multiscale Modeling of Atmospheric Processes (CMMAP), managed by
Colorado State University under cooperative agreement ATM-0425247. We
are grateful to the CMMAP for providing us the CSU MMF model. We thank
Manishkumar Shrivastava for his internal review and constructive
comments, and Phil Rasch for helpful discussion regarding the treatment
of convective transport of tracer species in GCMs. We are also grateful
to Joshua Schwarz for providing the HIPPO data used in Fig. 17, and to
Stefan Kinne for providing the satellite AOD retrieval composite data
used in Fig. 22. The Pacific Northwest National Laboratory (PNNL) is
operated for the DOE by Battelle Memorial Institute under contract
DE-AC06-76RLO 1830.
NR 95
TC 44
Z9 45
U1 0
U2 25
PU COPERNICUS GESELLSCHAFT MBH
PI GOTTINGEN
PA BAHNHOFSALLEE 1E, GOTTINGEN, 37081, GERMANY
SN 1991-959X
EI 1991-9603
J9 GEOSCI MODEL DEV
JI Geosci. Model Dev.
PY 2011
VL 4
IS 1
BP 137
EP 168
DI 10.5194/gmd-4-137-2011
PG 32
WC Geosciences, Multidisciplinary
SC Geology
GA 742AO
UT WOS:000288910700009
ER
PT J
AU Hewitt, HT
Copsey, D
Culverwell, ID
Harris, CM
Hill, RSR
Keen, AB
McLaren, AJ
Hunke, EC
AF Hewitt, H. T.
Copsey, D.
Culverwell, I. D.
Harris, C. M.
Hill, R. S. R.
Keen, A. B.
McLaren, A. J.
Hunke, E. C.
TI Design and implementation of the infrastructure of HadGEM3: the
next-generation Met Office climate modelling system
SO GEOSCIENTIFIC MODEL DEVELOPMENT
LA English
DT Article
ID SEA-ICE; THICKNESS DISTRIBUTION; SCHEME DESCRIPTION; BOUNDARY-LAYER;
UPPER OCEAN; PART I; TESTS; SIMULATIONS; TEMPERATURE; ATMOSPHERE
AB This paper describes the development of a technically robust climate modelling system, HadGEM3, which couples the Met Office Unified Model atmosphere component, the NEMO ocean model and the Los Alamos sea ice model (CICE) using the OASIS coupler. Details of the coupling and technical solutions of the physical model (HadGEM3-AO) are documented, in addition to a description of the configurations of the individual submodels. The paper demonstrates that the implementation of the model has resulted in accurate conservation of heat and freshwater across the model components. The model performance in early versions of this climate model is briefly described to demonstrate that the results are scientifically credible. HadGEM3-AO is the basis for a number of modelling efforts outside of the Met Office, both within the UK and internationally. This documentation of the HadGEM3-AO system provides a detailed reference for developers of HadGEM3-based climate configurations.
C1 [Hewitt, H. T.; Copsey, D.; Culverwell, I. D.; Harris, C. M.; Hill, R. S. R.; Keen, A. B.; McLaren, A. J.] Hadley Ctr, Met Off, Exeter, Devon, England.
[Hunke, E. C.] Los Alamos Natl Lab, Fluid Dynam & Solid Mech Grp T3, Los Alamos, NM USA.
RP Hewitt, HT (reprint author), Hadley Ctr, Met Off, Exeter, Devon, England.
EM helene.hewitt@metoffice.gov.uk
OI Hewitt, Helene/0000-0001-7432-6001
FU DECC/Defra [GA01101]
FX We thank all colleagues at the Met Office Hadley Centre who have
contributed towards the development of the model; Gurvan Madec and other
members of the NEMO System Team for their help with setting up the ORCA1
configuration; Andrew Coward for construction of the original ORCA1
ocean bathymetry; William Lipscomb for his help and advice with using
CICE; Adrian Lock, Rachel Stratton, Cyril Morcrette and James Manners
for their help describing the atmospheric sub-components; Rene Redler
and Sophie Valcke for advice in setting up OASIS and Kristian Mogensen
for useful discussions on the practicalities of OASIS use; and Jonathan
Gregory for his help in extending the tripolar boundary condition in
CICE and discussions surrounding CF-compliance of NEMO output. This work
was supported by the Joint DECC and Defra Integrated Climate Programme -
DECC/Defra (GA01101).
NR 61
TC 143
Z9 143
U1 2
U2 30
PU COPERNICUS GESELLSCHAFT MBH
PI GOTTINGEN
PA BAHNHOFSALLEE 1E, GOTTINGEN, 37081, GERMANY
SN 1991-959X
EI 1991-9603
J9 GEOSCI MODEL DEV
JI Geosci. Model Dev.
PY 2011
VL 4
IS 2
BP 223
EP 253
DI 10.5194/gmd-4-223-2011
PG 31
WC Geosciences, Multidisciplinary
SC Geology
GA 781NF
UT WOS:000291939100001
ER
PT J
AU Jones, CD
Hughes, JK
Bellouin, N
Hardiman, SC
Jones, GS
Knight, J
Liddicoat, S
O'Connor, FM
Andres, RJ
Bell, C
Boo, KO
Bozzo, A
Butchart, N
Cadule, P
Corbin, KD
Doutriaux-Boucher, M
Friedlingstein, P
Gornall, J
Gray, L
Halloran, PR
Hurtt, G
Ingram, WJ
Lamarque, JF
Law, RM
Meinshausen, M
Osprey, S
Palin, EJ
Chini, LP
Raddatz, T
Sanderson, MG
Sellar, AA
Schurer, A
Valdes, P
Wood, N
Woodward, S
Yoshioka, M
Zerroukat, M
AF Jones, C. D.
Hughes, J. K.
Bellouin, N.
Hardiman, S. C.
Jones, G. S.
Knight, J.
Liddicoat, S.
O'Connor, F. M.
Andres, R. J.
Bell, C.
Boo, K. -O.
Bozzo, A.
Butchart, N.
Cadule, P.
Corbin, K. D.
Doutriaux-Boucher, M.
Friedlingstein, P.
Gornall, J.
Gray, L.
Halloran, P. R.
Hurtt, G.
Ingram, W. J.
Lamarque, J. -F.
Law, R. M.
Meinshausen, M.
Osprey, S.
Palin, E. J.
Chini, L. Parsons
Raddatz, T.
Sanderson, M. G.
Sellar, A. A.
Schurer, A.
Valdes, P.
Wood, N.
Woodward, S.
Yoshioka, M.
Zerroukat, M.
TI The HadGEM2-ES implementation of CMIP5 centennial simulations
SO GEOSCIENTIFIC MODEL DEVELOPMENT
LA English
DT Article
ID LAND-USE CHANGE; SEA-SURFACE TEMPERATURE; THERMOHALINE CIRCULATION;
CLIMATE MODEL; 20TH-CENTURY TEMPERATURE; SPATIALLY EXPLICIT; SULFUR
EMISSIONS; ATMOSPHERE MODEL; FUTURE CLIMATE; SOIL-MOISTURE
AB The scientific understanding of the Earth's climate system, including the central question of how the climate system is likely to respond to human-induced perturbations, is comprehensively captured in GCMs and Earth System Models (ESM). Diagnosing the simulated climate response, and comparing responses across different models, is crucially dependent on transparent assumptions of how the GCM/ESM has been driven - especially because the implementation can involve subjective decisions and may differ between modelling groups performing the same experiment. This paper outlines the climate forcings and setup of the Met Office Hadley Centre ESM, HadGEM2-ES for the CMIP5 set of centennial experiments. We document the prescribed greenhouse gas concentrations, aerosol precursors, stratospheric and tropospheric ozone assumptions, as well as implementation of land-use change and natural forcings for the HadGEM2-ES historical and future experiments following the Representative Concentration Pathways. In addition, we provide details of how HadGEM2-ES ensemble members were initialised from the control run and how the palaeoclimate and AMIP experiments, as well as the "emission-driven" RCP experiments were performed.
C1 [Jones, C. D.; Hughes, J. K.; Bellouin, N.; Hardiman, S. C.; Jones, G. S.; Knight, J.; Liddicoat, S.; O'Connor, F. M.; Butchart, N.; Doutriaux-Boucher, M.; Gornall, J.; Halloran, P. R.; Ingram, W. J.; Palin, E. J.; Sanderson, M. G.; Sellar, A. A.; Wood, N.; Woodward, S.; Zerroukat, M.] Met Off Hadley Ctr, Exeter EX1 3PB, Devon, England.
[Andres, R. J.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Bell, C.] Univ Reading, Dept Meteorol, Reading RG6 6BB, Berks, England.
[Boo, K. -O.] Korea Meteorol Adm, Natl Inst Meteorol Res, Seoul, South Korea.
[Bozzo, A.; Schurer, A.] Univ Edinburgh, Sch Geosci, Edinburgh EH9 3JW, Midlothian, Scotland.
[Cadule, P.] Univ Paris 06, Inst Pierre Simon Laplace, F-75252 Paris 05, France.
[Corbin, K. D.; Law, R. M.] CSIRO Marine & Atmospher Res, Ctr Australian Weather & Climate Res, Aspendale, Vic, Australia.
[Friedlingstein, P.] Univ Exeter, Coll Engn Math & Phys Sci, Exeter EX4 4QF, Devon, England.
[Gray, L.; Osprey, S.] Univ Oxford, Natl Ctr Atmospher Sci, Dept Phys, Oxford OX1 3PU, England.
[Hurtt, G.; Chini, L. Parsons] Univ Maryland, Dept Geog, College Pk, MD 21403 USA.
[Lamarque, J. -F.] UCAR, Div Atmospher Chem, Boulder, CO USA.
[Meinshausen, M.] Potsdam Inst Climate Impact Res, Potsdam, Germany.
[Raddatz, T.] Max Planck Inst Meteorol, Hamburg, Germany.
[Valdes, P.; Yoshioka, M.] Univ Bristol, Sch Geog Sci, Bristol BS8 1SS, Avon, England.
[Hurtt, G.] Univ Maryland, Pacific NW Natl Lab, Joint Global Change Res Inst, College Pk, MD 20740 USA.
RP Jones, CD (reprint author), Met Off Hadley Ctr, Exeter EX1 3PB, Devon, England.
EM chris.d.jones@metoffice.gov.uk
RI Jones, Gareth/H-8022-2013; Lamarque, Jean-Francois/L-2313-2014;
Friedlingstein, Pierre/H-2700-2014; Law, Rachel/A-1969-2012; Hurtt,
George/A-8450-2012; ANDRES, ROBERT/B-9786-2012; Meinshausen,
Malte/A-7037-2011; Halloran, Paul/G-3965-2012; Valdes, Paul/C-4129-2013;
Osprey, Scott/P-6621-2016; Jones, Chris/I-2983-2014
OI ANDRES, ROBERT/0000-0001-8781-4979; Lamarque,
Jean-Francois/0000-0002-4225-5074; Law, Rachel/0000-0002-7346-0927;
Meinshausen, Malte/0000-0003-4048-3521; Halloran,
Paul/0000-0002-9227-0678; Osprey, Scott/0000-0002-8751-1211;
FU Joint DECC/Defra Met Office Hadley Centre [GA01101]; European Commission
[226520]; US Department of Energy Office of Science, Biological and
Environmental Research (BER); Oak Ridge National Laboratory (ORNL) under
US Department of Energy [DE-AC05-00OR22725]; Department of Climate
Change; Australian Bureau of Meteorology; CSIRO; Australian Commonwealth
Government; NCAS; EU; NERC [NE/D012287/1]
FX This work was supported by the Joint DECC/Defra Met Office Hadley Centre
Climate Programme (GA01101) and also by the European Commission's 7th
Framework Programme, under Grant Agreement number 226520, COMBINE
project. R. Andres was sponsored by US Department of Energy, Office of
Science, Biological and Environmental Research (BER) programs and
performed at Oak Ridge National Laboratory (ORNL) under US Department of
Energy contract DE-AC05-00OR22725. The contribution of K. Corbin and R.
Law has been undertaken as part of the Australian Climate Change Science
Program, funded jointly by the Department of Climate Change, the
Australian Bureau of Meteorology and CSIRO, and was undertaken on the
NCI National Facility in Canberra, Australia, which is supported by the
Australian Commonwealth Government. A. Bozzo and A. Schurer were
supported by NCAS. W. J. Ingram received additional support from the EU
WATCH project and NERC contract NE/D012287/1. We are especially grateful
to Karl Taylor for continued help and advice throughout the process of
experiment design and set-up. We are also grateful to Victor Brovkin for
help and advice regarding land-use CO2 emissions.
NR 92
TC 214
Z9 216
U1 7
U2 98
PU COPERNICUS GESELLSCHAFT MBH
PI GOTTINGEN
PA BAHNHOFSALLEE 1E, GOTTINGEN, 37081, GERMANY
SN 1991-959X
EI 1991-9603
J9 GEOSCI MODEL DEV
JI Geosci. Model Dev.
PY 2011
VL 4
IS 3
BP 543
EP 570
DI 10.5194/gmd-4-543-2011
PG 28
WC Geosciences, Multidisciplinary
SC Geology
GA 826UD
UT WOS:000295379500001
ER
PT J
AU Mao, J
Phipps, SJ
Pitman, AJ
Wang, YP
Abramowitz, G
Pak, B
AF Mao, J.
Phipps, S. J.
Pitman, A. J.
Wang, Y. P.
Abramowitz, G.
Pak, B.
TI The CSIRO Mk3L climate system model v1.0 coupled to the CABLE land
surface scheme v1.4b: evaluation of the control climatology
SO GEOSCIENTIFIC MODEL DEVELOPMENT
LA English
DT Article
ID NET PRIMARY PRODUCTION; GLOBAL PRECIPITATION; NONLINEAR INVERSION; FLUX
MEASUREMENTS; LONG-TERM; CARBON; ATMOSPHERE; CANOPIES; ENERGY;
CONDUCTANCE
AB The CSIRO Mk3L climate system model, a reduced-resolution coupled general circulation model, has previously been described in this journal. The model is configured for millennium scale or multiple century scale simulations. This paper reports the impact of replacing the relatively simple land surface scheme that is the default parameterisation in Mk3L with a sophisticated land surface model that simulates the terrestrial energy, water and carbon balance in a physically and biologically consistent way. An evaluation of the new model's near-surface climatology highlights strengths and weaknesses, but overall the atmospheric variables, including the near-surface air temperature and precipitation, are simulated well. The impact of the more sophisticated land surface model on existing variables is relatively small, but generally positive. More significantly, the new land surface scheme allows an examination of surface carbon-related quantities including net primary productivity which adds significantly to the capacity of Mk3L. Overall, results demonstrate that this reduced-resolution climate model is a good foundation for exploring long time scale phenomena. The addition of the more sophisticated land surface model enables an exploration of important Earth System questions including land cover change and abrupt changes in terrestrial carbon storage.
C1 [Mao, J.; Phipps, S. J.; Pitman, A. J.; Abramowitz, G.] Univ New S Wales, Climate Change Res Ctr, Sydney, NSW 2052, Australia.
[Mao, J.; Wang, Y. P.; Pak, B.] Ctr Australian Weather & Climate Res, Aspendale, Vic, Australia.
[Mao, J.] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
[Phipps, S. J.; Pitman, A. J.; Abramowitz, G.] Univ New S Wales, ARC Ctr Excellence Climate Syst Sci, Sydney, NSW 2052, Australia.
RP Phipps, SJ (reprint author), Univ New S Wales, Climate Change Res Ctr, Sydney, NSW 2052, Australia.
EM s.phipps@unsw.edu.au
RI Phipps, Steven/B-3135-2008; wang, yp/A-9765-2011; Pitman,
Andrew/A-7353-2011; Abramowitz, Gab/C-4977-2013; Mao, Jiafu/B-9689-2012
OI Phipps, Steven/0000-0001-5657-8782; Pitman, Andrew/0000-0003-0604-3274;
Abramowitz, Gab/0000-0002-4205-001X; Mao, Jiafu/0000-0002-2050-7373
FU Australian Commonwealth Government; ARC [LP0774996]; US Department of
Energy (DOE), Office of Science, Biological and Environmental Research;
UT-BATTELLE for DOE [DE-AC05-00OR22725]
FX This research was undertaken on the NCI National Facility in Canberra,
Australia, which is supported by the Australian Commonwealth Government.
This work was supported by ARC Linkage grant LP0774996. The first author
was supported in part by the US Department of Energy (DOE), Office of
Science, Biological and Environmental Research. Oak Ridge National
Laboratory is managed by UT-BATTELLE for DOE under contract
DE-AC05-00OR22725.
NR 49
TC 9
Z9 9
U1 1
U2 4
PU COPERNICUS GESELLSCHAFT MBH
PI GOTTINGEN
PA BAHNHOFSALLEE 1E, GOTTINGEN, 37081, GERMANY
SN 1991-959X
EI 1991-9603
J9 GEOSCI MODEL DEV
JI Geosci. Model Dev.
PY 2011
VL 4
IS 4
BP 1115
EP 1131
DI 10.5194/gmd-4-1115-2011
PG 17
WC Geosciences, Multidisciplinary
SC Geology
GA 866FQ
UT WOS:000298366300014
ER
PT B
AU Yichoy, M
Nakayasu, ES
De Chatterjee, A
Aley, SB
Almeida, IC
Das, S
AF Yichoy, Mayte
Nakayasu, Ernesto S.
De Chatterjee, Atasi
Aley, Stephen B.
Almeida, Igor C.
Das, Siddhartha
BE Lujan, HD
Svard, S
TI Mass Spectrometric Analysis of Phospholipids and Fatty Acids in Giardia
lamblia
SO GIARDIA: A MODEL ORGANISM
LA English
DT Article; Book Chapter
ID GLYCOSYLPHOSPHATIDYLINOSITOL ANCHOR; SPHINGOLIPID SYNTHESIS; PRIMITIVE
EUKARYOTE; PARASITIC PROTOZOAN; TRYPANOSOMA-CRUZI; ENCYSTATION; INVITRO;
BILE; PHOSPHATIDYLINOSITOL; ENDOCYTOSIS
AB In addition to plasma membrane, Giardia lamblia contains numerous membrane-enveloped, primitive organelles, which house a variety of metabolic processes. It has been proposed earlier that this intestinal pathogen lacks the ability to synthesize the majority of its own lipids de nova and depends on supplies from outside sources. Therefore, the questions as to how this ancient eukaryote utilizes exogenous lipids and synthesizes membranes and organelles are extremely important. Does this parasite depend predominantly on remodeling pathways, in which exogenous phospholipids undergo fatty acid and headgroup replacement reactions to generate new phospholipids? To answer this, and to better understand the overall pathway, we carried out a complete lipidomic analysis using electro-spray ionization quadrupole time-of-flight mass spectrometry (ESI-QTOF-MS). The results suggest that Giardia has the ability to generate new phospholipids de nova, most likely via the remodeling pathways. Among the newly synthesized lipids, phosphatidylglycerol (PG) is the major phospholipid followed by phosphatidylethanolamine (PE). Gas chromatography-mass spectrometry (GC-MS) analyses indicated that Giardia also has the ability to remodel fatty acids by chain elongation and de-saturation reactions. Thus, mass spectrometric analyses provided valuable information about lipid biosynthesis by Giardia and opened the possibility of investigating in greater detail the uptake and utilization of exogenous lipids for the synthesis of membranes and organelles.
C1 [Yichoy, Mayte] Texas A&M Univ, Dept Vet Pathobiol, College Stn, TX 77843 USA.
[Aley, Stephen B.; Almeida, Igor C.; Das, Siddhartha] Univ Texas El Paso, Dept Biol Sci, Border Biomed Res Ctr, Infect Dis & Immunol Program, El Paso, TX 79968 USA.
[Nakayasu, Ernesto S.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Yichoy, M (reprint author), Texas A&M Univ, Dept Vet Pathobiol, College Stn, TX 77843 USA.
OI Aley, Stephen/0000-0003-1214-4688
NR 45
TC 0
Z9 0
U1 0
U2 1
PU SPRINGER-VERLAG WIEN
PI VIENNA
PA SACHSENPLATZ 4-6, A-1201 VIENNA, AUSTRIA
BN 978-3-7091-0197-1
PY 2011
BP 111
EP 125
PG 15
WC Parasitology
SC Parasitology
GA BWT49
UT WOS:000294828300008
ER
PT B
AU Briggs, CM
AF Briggs, Chad Michael
BE Alemanno, A
TI Abrupt environmental changes: scenario planning for catastrophic
security risks
SO GOVERNING DISASTERS: THE CHALLENGES OF EMERGENCY RISK REGULATION
LA English
DT Article; Book Chapter
C1 [Briggs, Chad Michael] US DOE, Washington, DC 20585 USA.
NR 32
TC 0
Z9 0
U1 0
U2 0
PU EDWARD ELGAR PUBLISHING LTD
PI CHELTENHAM
PA GLENSANDA HOUSE, MONTPELLIER PARADE, CHELTENHAM GL50 1UA, GLOS, ENGLAND
BN 978-0-85793-572-4
PY 2011
BP 166
EP 181
PG 16
WC Law; Management
SC Government & Law; Business & Economics
GA BYL03
UT WOS:000299200200013
ER
PT S
AU Mendelev, MI
Rodin, AO
Bokstein, BS
AF Mendelev, M. I.
Rodin, A. O.
Bokstein, B. S.
BE Bokstein, BS
Rodin, AO
Straumal, BB
TI Computer Simulation of Fe Diffusion in Liquid Al and along Al Grain
Boundaries
SO GRAIN BOUNDARY DIFFUSION, STRESSES AND SEGREGATION, DSS 2010 MOSCOW
SE Defect and Diffusion Forum
LA English
DT Proceedings Paper
CT International Conference on Grain Boundary Diffusion, Stresses and
Segregation
CY JUN 01-04, 2010
CL Moscow, RUSSIA
DE Fe diffusion; grain boundary diffusion; liquid Al
ID SELF-DIFFUSION; ANOMALOUS DIFFUSION; SOLID-SOLUTIONS; MIGRATION;
ALUMINUM; DYNAMICS
AB We performed molecular dynamics simulation of diffusion along symmetric < 100 > Sigma 5 and < 111 > Sigma 7 and one non-symmetric < 100 > Sigma 5 tilt grain boundaries in Al in the presence of Fe impurities. The simulation results are in reasonable agreement with available experimental data. The addition of Fe considerably decreases both Al and Fe diffusivities and increases the activation energy for diffusion. The simulation data indicate that the mechanism of diffusion is different in different grain boundaries. The diffusion along < 100 > Sigma 5 grain boundaries reminds that in liquid alloys.
C1 [Mendelev, M. I.] Ames Lab, Ames, IA 50014 USA.
[Rodin, A. O.; Bokstein, B. S.] State Technol Univ, Moscow Inst Steel & Alloys, Moscow, Russia.
RP Mendelev, MI (reprint author), Ames Lab, Ames, IA 50014 USA.
EM mendelev@ameslab.gov; rodin@misis.ru; bokst@misis.ru
RI Rodine, Alexey/H-1381-2011
OI Rodine, Alexey/0000-0003-1209-7594
FU Office of Basic Energy Sciences [DE-AC02-07CH11358]; Russian Federal
Ministry of Science and Education [02.513.11.3402]; Russian Foundation
for Basic Research [08-03-00498]
FX Work at the Ames Laboratory was supported by the Department of Energy,
Office of Basic Energy Sciences, under Contract No. DE-AC02-07CH11358.
Work at MISIS was supported by the Russian Federal Ministry of Science
and Education under the contract No. 02.513.11.3402 and by the Russian
Foundation for Basic Research under grant No. 08-03-00498.
NR 22
TC 4
Z9 4
U1 0
U2 5
PU TRANS TECH PUBLICATIONS LTD
PI DURNTEN-ZURICH
PA KREUZSTRASSE 10, 8635 DURNTEN-ZURICH, SWITZERLAND
SN 1012-0386
J9 DEFECT DIFFUS FORUM
PY 2011
VL 309-310
BP 223
EP +
DI 10.4028/www.scientific.net/DDF.309-310.223
PG 2
WC Engineering, Mechanical; Materials Science, Multidisciplinary;
Metallurgy & Metallurgical Engineering
SC Engineering; Materials Science; Metallurgy & Metallurgical Engineering
GA BVK46
UT WOS:000291709300026
ER
PT J
AU Buluc, A
Gilbert, J
Shah, VB
AF Buluc, Aydin
Gilbert, John
Shah, Viral B.
BE Kepner, J
Gilbert, J
TI Implementing Sparse Matrices for Graph Algorithms
SO GRAPH ALGORITHMS IN THE LANGUAGE OF LINEAR ALGEBRA
SE Software Environments and Tools
LA English
DT Article; Book Chapter
ID QUADTREE; MATLAB
AB Sparse matrices are a key data structure for implementing graph algorithms using linear algebra. This chapter reviews and evaluates storage formats for sparse matrices and their impact on primitive operations. We present complexity results of these operations on different sparse storage formats both in the random access memory (RAM) model and in the input/output (I/O) model. RAM complexity results were known except for the analysis of sparse matrix indexing. On the other hand, most of the I/O complexity results presented are new. The chapter focuses on different variations of the triples (coordinates) format and the widely used compressed sparse row (CSR) and compressed sparse column (CSC) formats. For most primitives, we provide detailed pseudocodes for implementing them on triples and CSR/CSC.
C1 [Buluc, Aydin] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Gilbert, John; Shah, Viral B.] Univ Calif Santa Barbara, Dept Comp Sci, Santa Barbara, CA 93106 USA.
RP Buluc, A (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM abuluc@lbl.gov; gilbert@cs.ucsb.edu; viral@mayin.org
NR 38
TC 1
Z9 1
U1 0
U2 0
PU SIAM
PI PHILADELPHIA
PA 3600 UNIV CITY SCIENCE CENTER, PHILADELPHIA, PA 19104-2688 USA
BN 978-0-898719-90-1
J9 SOFTW ENVIRON TOOLS
PY 2011
VL 22
BP 287
EP 313
D2 10.1137/1.9780898719918
PG 27
WC Computer Science, Theory & Methods; Mathematics, Applied
SC Computer Science; Mathematics
GA BWH92
UT WOS:000293907200014
ER
PT J
AU Patete, JM
Peng, XH
Koenigsmann, C
Xu, Y
Karn, B
Wong, SS
AF Patete, Jonathan M.
Peng, Xiaohui
Koenigsmann, Christopher
Xu, Yan
Karn, Barbara
Wong, Stanislaus S.
TI Viable methodologies for the synthesis of high-quality nanostructures
SO GREEN CHEMISTRY
LA English
DT Review
ID MICROWAVE-ASSISTED SYNTHESIS; SUPERCRITICAL-CARBON-DIOXIDE; IRON-OXIDE
NANOPARTICLES; ONE-DIMENSIONAL NANOSTRUCTURES; BARIUM FLUORIDE
NANOPARTICLES; FACILE SONOCHEMICAL ROUTE; FUNGUS FUSARIUM-OXYSPORUM;
CITRATE COMPLEX PRECURSOR; IMIDAZOLIUM IONIC LIQUIDS; CHEMICAL FLUID
DEPOSITION
AB The development of environmentally benign methods for the synthesis of nanomaterials has become increasingly relevant as chemists look to shape a more sustainable future. In this critical review, we present current work towards developing alternative methods for synthesizing a wide range of high-quality nanomaterials with predictable and controllable size, shape, composition, morphology and crystallinity. In particular, we focus on the inherent advantages of utilizing porous membrane templates, ultrasonic and microwave irradiation, alternative solvent systems, as well as biologically-inspired reagents as reasonably cost-effective, environmentally responsible methods to generate metal, metal oxide, fluoride, sulfide, selenide and phosphate nanomaterials.
C1 [Patete, Jonathan M.; Peng, Xiaohui; Koenigsmann, Christopher; Xu, Yan; Wong, Stanislaus S.] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
[Karn, Barbara] US EPA, Off Res & Dev, NCER, Washington, DC 20460 USA.
[Wong, Stanislaus S.] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA.
RP Patete, JM (reprint author), SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
EM sswong@notes.cc.sunysb.edu
FU U.S. Department of Energy [DE-AC02-98CH10886]; Alfred P. Sloan
Foundation
FX We acknowledge the U.S. Department of Energy (DE-AC02-98CH10886) and the
Alfred P. Sloan Foundation for PI and student support.
NR 436
TC 66
Z9 66
U1 6
U2 138
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9262
J9 GREEN CHEM
JI Green Chem.
PY 2011
VL 13
IS 3
BP 482
EP 519
DI 10.1039/c0gc00516a
PG 38
WC Chemistry, Multidisciplinary; GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY
SC Chemistry; Science & Technology - Other Topics
GA 731RF
UT WOS:000288126300002
ER
PT J
AU Dibble, DC
Li, CL
Sun, L
George, A
Cheng, ARL
Cetinkol, OP
Benke, P
Holmes, BM
Singh, S
Simmons, BA
AF Dibble, Dean C.
Li, Chenlin
Sun, Lan
George, Anthe
Cheng, Aurelia
Cetinkol, Oezguel Persil
Benke, Peter
Holmes, Bradley M.
Singh, Seema
Simmons, Blake A.
TI A facile method for the recovery of ionic liquid and lignin from biomass
pretreatment
SO GREEN CHEMISTRY
LA English
DT Article
ID LIGNOCELLULOSIC BIOMASS; ENZYMATIC-HYDROLYSIS; WATER; DISSOLUTION;
CELLULOSE; ETHANOL; ACID; WOOD; IMIDAZOLIUM; HEXAFLUOROPHOSPHATE
AB In the biochemical conversion of lignocellulosic biomass to biofuels, the process of pretreatment is currently one of the most difficult and expensive operations. The use of ionic liquids (ILs) in biomass pretreatment has received considerable attention recently because of their effectiveness at decreasing biomass recalcitrance to subsequent enzymatic hydrolysis. In addition, ILs have the potential for decreasing the need for corrosive or toxic chemicals and associated waste streams that can be generated by other pretreatment methods that utilize acids and/or bases. In this article, we address two significant challenges to the realization of a practical IL pretreatment process. First, we describe a mixture containing specific proportions of a ketone and an alcohol that precipitates cellulose and lignocellulosic biomass from solutions of the IL 1-ethyl-3-methylimidazolium acetate without the formation of intermediate gel phases. Second, an IL recovery process is described that removes lignin and most residual IL solutes and that minimizes energy and solvent use. These two techniques are demonstrated by the pretreatment of 100 g of corn stover with the recovery of 89% of the initial IL and separate corn stover fractions rich in glucans, xylans, lignin, and non-polar substances. These results highlight one potential approach towards the realization of a scalable ionic liquid pretreatment process technology that enables ionic liquid recovery and reuse.
C1 [Dibble, Dean C.; Li, Chenlin; Sun, Lan; George, Anthe; Cheng, Aurelia; Cetinkol, Oezguel Persil; Benke, Peter; Holmes, Bradley M.; Singh, Seema; Simmons, Blake A.] Joint BioEnergy Inst, Emeryville, CA 94608 USA.
[Dibble, Dean C.; Holmes, Bradley M.; Singh, Seema; Simmons, Blake A.] Sandia Natl Labs, Biomass Sci & Convers Technol Dept, Livermore, CA USA.
RP Dibble, DC (reprint author), Joint BioEnergy Inst, Emeryville, CA 94608 USA.
EM dcdibbl@sandia.gov
RI Sun, Lan/C-7321-2012;
OI PERSIL CETINKOL, OZGUL/0000-0002-6632-6981; Li,
Chenlin/0000-0002-0793-0505; Simmons, Blake/0000-0002-1332-1810
FU U. S. Department of Energy, Office of Science, Office of Biological and
Environmental Research [DE-AC02-05CH11231]
FX We thank Profs. Bruce Dale and Venkatesh Balan from the Department of
Chemical Engineering & Materials Science at Michigan State University
for generously providing chemically characterized corn stover. Dr Jeff
Pelton and Dr Dave Wemmer at the University of California, Berkeley
provided assistance with NMR spectroscopic measurements. We thank Dr
Benjamin Wu for his assistance in reviewing this manuscript and Dr
Hanbin Liu for helpful discussions on the binding energy of [C2mim][OAc]
and water. This work was made possible by Sandia National Laboratories
and 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 67
TC 50
Z9 50
U1 12
U2 83
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9262
EI 1463-9270
J9 GREEN CHEM
JI Green Chem.
PY 2011
VL 13
IS 11
BP 3255
EP 3264
DI 10.1039/c1gc15111h
PG 10
WC Chemistry, Multidisciplinary; GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY
SC Chemistry; Science & Technology - Other Topics
GA 840OM
UT WOS:000296450100032
ER
PT J
AU Nulwala, HB
Tang, CN
Kail, BW
Damodaran, K
Kaur, P
Wickramanayake, S
Shi, W
Luebke, DR
AF Nulwala, Hunaid B.
Tang, Chau N.
Kail, Brian W.
Damodaran, Krishnan
Kaur, Palwinder
Wickramanayake, Shan
Shi, Wei
Luebke, David R.
TI Probing the structure-property relationship of regioisomeric ionic
liquids with click chemistry
SO GREEN CHEMISTRY
LA English
DT Article
ID PHYSICOCHEMICAL PROPERTIES; TERMINAL ALKYNES; GAS SEPARATIONS;
MEMBRANES; TEMPERATURES; AZIDES; PHASE
AB Understanding the structure-property relationship of ionic liquids is a key to the development of optimized materials for specific applications, such as CO(2) capture, battery electrolytes, or lubricants. Using Cu(I)-catalyzed click chemistry as a synthetic platform, a library of triazolium-based ionic liquids has been accessed for the first time. These regioisomers of ionic liquids give insight into the structure property of these important materials. The effect of substituents and the effect of regioisomerization on thermal stability, CO(2) solubility and inductive effects have been correlated.
C1 [Nulwala, Hunaid B.; Tang, Chau N.; Damodaran, Krishnan; Kaur, Palwinder; Luebke, David R.] Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Tang, Chau N.] Univ Pittsburgh, Dept Chem, Pittsburgh, PA 15260 USA.
[Kail, Brian W.; Wickramanayake, Shan; Shi, Wei] URS, South Pk, PA 15219 USA.
[Nulwala, Hunaid B.] Carnegie Mellon Univ, Dept Chem, Pittsburgh, PA 15213 USA.
RP Nulwala, HB (reprint author), Natl Energy Technol Lab, POB 10940, Pittsburgh, PA 15236 USA.
EM hunaid.nulwala@cm.netl.doe.gov; chau.tang@or.netl.doe.gov;
david.luebke@netl.doe.gov
RI Nulwala, Hunaid/G-8126-2012
OI Nulwala, Hunaid/0000-0001-7481-3723
FU NETL [DE-FE0004000]
FX The authors thank Christina Myers of NETL for conducting density
measurements. Part of this technical effort was performed in support of
NETL's ongoing research in CO2 capture under the contract
DE-FE0004000. 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 38
TC 35
Z9 35
U1 1
U2 19
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9262
J9 GREEN CHEM
JI Green Chem.
PY 2011
VL 13
IS 12
BP 3345
EP 3349
DI 10.1039/c1gc16067b
PG 5
WC Chemistry, Multidisciplinary; GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY
SC Chemistry; Science & Technology - Other Topics
GA 853KL
UT WOS:000297424900005
ER
PT J
AU George, A
Tran, K
Morgan, TJ
Benke, PI
Berrueco, C
Lorente, E
Wu, BC
Keasling, JD
Simmons, BA
Holmes, BM
AF George, Anthe
Tran, Kim
Morgan, Trevor J.
Benke, Peter I.
Berrueco, Cesar
Lorente, Esther
Wu, Ben C.
Keasling, Jay D.
Simmons, Blake A.
Holmes, Bradley M.
TI The effect of ionic liquid cation and anion combinations on the
macromolecular structure of lignins
SO GREEN CHEMISTRY
LA English
DT Article
ID WOOD; DISSOLUTION; SOLVENT
AB Imidazolium based ionic liquids (ILs) composed of anions such as chloride, acetate and alkyl phosphate have come to be considered as effective non-derivatizing solvents for cellulose, lignin and lignocellulosic biomass. After dissolution and thermal treatment of three technical lignins (organosolv, alkali and alkali low sulphonate) with an array of ILs, it was shown that these solvents behave as either reactants or catalysts, significantly reducing the molecular mass of these macromolecules and altering their structure. The degree of lignin structural modification is shown to be primarily influenced by the anion. Lignin fragmentation mechanisms were defined and a fragmentation hierarchy of the lignin macromolecule as a function of the IL anion was established. It was determined that sulfates > lactate > acetate > chlorides > phosphates in terms of the relative impact on reducing lignin molecular weight, with evidence of different anions causing cleavage of different linkages within the lignin. Of the ILs studied, sulfate based ionic liquids most comprehensively broke down the largest lignin molecules, resulting in fragments >1000-3000 u (by polysaccharide calibration). The lactate anion, while appearing less capable of breaking down the largest lignin molecules, causes the formation of significant quantities of the smallest sized fragments observed (2000-500 u). The new lower molecular mass species formed from the organosolv lignin are shown to have a more highly conjugated structure than their parent molecules, while a reduction in conjugation was observed in the alkali lignins. Using size exclusion chromatography coupled with UV detection, at least 40% of the original large-lignin molecules, from each of the lignins studied, were observed to remained intact. We hypothesize that fragmentation is effected either via catalytic means or through nucleophilic attack of inter-lignin beta-O-bonds.
C1 [Benke, Peter I.; Keasling, Jay D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[George, Anthe; Tran, Kim; Wu, Ben C.; Simmons, Blake A.; Holmes, Bradley M.] Sandia Natl Labs, Biomass Sci & Convers Technol Dept, Livermore, CA USA.
[Morgan, Trevor J.; Berrueco, Cesar; Lorente, Esther] Univ London Imperial Coll Sci Technol & Med, Dept Chem Engn, London SW7 2AZ, England.
[Morgan, Trevor J.] Commiss European Communities, Joint Res Ctr, Inst Energy, Petten, Netherlands.
EM bmholmes@lbl.gov
RI Keasling, Jay/J-9162-2012; Berrueco, Cesar/N-6931-2013;
OI Keasling, Jay/0000-0003-4170-6088; Berrueco, Cesar/0000-0002-6253-3465;
Simmons, Blake/0000-0002-1332-1810
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; U.S. Department of Energy's
National Nuclear Security Administration [DE-AC04-94AL85000]
FX This work was part of the 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 the Lawrence Berkeley National
Laboratory and the U.S. Department of Energy. Sandia is a multiprogram
laboratory operated by Sandia Corp., a Lockheed Martin company, for the
U.S. Department of Energy's National Nuclear Security Administration
under Contract DE-AC04-94AL85000.
NR 23
TC 61
Z9 62
U1 2
U2 85
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1463-9262
EI 1463-9270
J9 GREEN CHEM
JI Green Chem.
PY 2011
VL 13
IS 12
BP 3375
EP 3385
DI 10.1039/c1gc15543a
PG 11
WC Chemistry, Multidisciplinary; GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY
SC Chemistry; Science & Technology - Other Topics
GA 853KL
UT WOS:000297424900009
ER
PT J
AU Jantzen, CM
AF Jantzen, C. M.
BE Ojovan, MI
TI Historical development of glass and ceramic waste forms for high level
radioactive wastes
SO HANDBOOK OF ADVANCED RADIOACTIVE WASTE CONDITIONING TECHNOLOGIES
SE Woodhead Publishing Series in Energy
LA English
DT Article; Book Chapter
DE borosilicate; aluminosilicate; phosphate; ceramic; glass matrices;
vitrification
ID IRON PHOSPHATE-GLASSES; X-RAY PHOTOELECTRON; NUCLEAR-WASTE;
FISSION-PRODUCTS; IMMOBILIZATION; DISSOLUTION; DISPOSAL; PHASE; FILMS
AB The initial development of borosilicate, aluminosilicate, phosphate and ceramic glass formulations for the solidification of HLW took place in the US, Canada, Europe and the USSR over the course of the 1950s and 1960s. Borosilicate glass formulations were first investigated in the US between 1956 and 1957 by Goldman and colleagues at the Massachusets Institute of Technology (MIT). However, the main bulk of research into the vitrification process was conducted in the UK and Europe in the 1960s. Between 1952 and 1962, Canadian scientists began developing aluminosilicate glass formulations at the Chalk River Nuclear Laboratories (CRNL), and in 1967, Tuthill and others launched research into phosphate waste glasses at Brookhaven National Laboratory (BNL). This chapter describes the research and development process, the advantages and disadvantages of each method, and their various applications.
C1 Savannah River Natl Lab, Aiken, SC 29808 USA.
RP Jantzen, CM (reprint author), Savannah River Natl Lab, Aiken, SC 29808 USA.
EM carol.jantzen@srnl.doe.gov
NR 66
TC 3
Z9 3
U1 0
U2 5
PU WOODHEAD PUBL LTD
PI CAMBRIDGE
PA ABINGTON HALL ABINGTON, CAMBRIDGE CB1 6AH, CAMBS, ENGLAND
BN 978-1-84569-626-9
J9 WOODHEAD PUBL SER EN
PY 2011
IS 12
BP 159
EP 172
D2 10.1533/9780857090959
PG 14
WC Engineering, Environmental; Nuclear Science & Technology
SC Engineering; Nuclear Science & Technology
GA BVR13
UT WOS:000292502500006
ER
PT J
AU Jantzen, CM
AF Jantzen, C. M.
BE Ojovan, MI
TI Development of glass matrices for high level radioactive wastes
SO HANDBOOK OF ADVANCED RADIOACTIVE WASTE CONDITIONING TECHNOLOGIES
SE Woodhead Publishing Series in Energy
LA English
DT Article; Book Chapter
DE high level waste; HLW; glass; vitrification
ID IRON PHOSPHATE-GLASSES; SPINEL-NEPHELINE LIQUIDUS; X-RAY PHOTOELECTRON;
NUCLEAR-WASTE; STRUCTURAL FEATURES; CHEMICAL DURABILITY;
AQUEOUS-SOLUTIONS; VITREOUS SILICA; IMMOBILIZATION; CERAMICS
AB Vitrification is currently the most widely used technology for the treatment of high level radioactive wastes (HLW) throughout the world. Most of the nations that have generated HLW are immobilizing in either borosilicate glass or phosphate glass. One of the primary reasons that glass has become the most widely used immobilization medium is the relative simplicity of the vitrification process, e. g. melt waste plus glass-forming frit additives and cast. A second reason that glass has become widely used for HLW is that the short-range order (SRO) and medium-range order (MRO) found in glass atomistically bonds the radionuclides and governs the melt properties such as viscosity, resistivity, and sulfate solubility. The molecular structure of glass controls contaminant/radionuclide release by establishing the distribution of ion exchange sites and hydrolysis sites, and the access of water to those sites. The molecular structure is flexible and hence accounts for the flexibility of glass formulations to waste variability. Nuclear waste glasses melt between 1050 and 1150 degrees C which minimizes the volatility of radioactive components such as Tc-99, Cs-137, and I-129. Nuclear waste glasses have good long-term stability including irradiation resistance. Process control models based on the molecular structure of glass have been mechanistically derived and have been demonstrated to be accurate enough to control the world's largest HLW Joule-heated ceramic melter in the US since 1996 at 95% confidence.
C1 Savannah River Natl Lab, Aiken, SC 29808 USA.
RP Jantzen, CM (reprint author), Savannah River Natl Lab, Aiken, SC 29808 USA.
EM carol.jantzen@srnl.doe.gov
NR 153
TC 9
Z9 9
U1 1
U2 6
PU WOODHEAD PUBL LTD
PI CAMBRIDGE
PA ABINGTON HALL ABINGTON, CAMBRIDGE CB1 6AH, CAMBS, ENGLAND
BN 978-1-84569-626-9
J9 WOODHEAD PUBL SER EN
PY 2011
IS 12
BP 230
EP 292
D2 10.1533/9780857090959
PG 63
WC Engineering, Environmental; Nuclear Science & Technology
SC Engineering; Nuclear Science & Technology
GA BVR13
UT WOS:000292502500009
ER
PT J
AU Daniel, C
AF Daniel, Claus
BE Daniel, C
Besenhard, JO
TI Preface to the Second Edition of the Handbook of Battery Materials
SO HANDBOOK OF BATTERY MATERIALS, 2ND EDITION
LA English
DT Editorial Material; Book Chapter
C1 Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Daniel, C (reprint author), Oak Ridge Natl Lab, MS6083,POB 2008, Oak Ridge, TN 37831 USA.
NR 0
TC 0
Z9 0
U1 2
U2 2
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
BN 978-3-527-32695-2
PY 2011
BP XXVII
EP XXVIII
D2 10.1002/9783527637188
PG 2
WC Chemistry, Applied; Energy & Fuels
SC Chemistry; Energy & Fuels
GA BB2KT
UT WOS:000341843300002
ER
PT J
AU Liu, ZC
Fu, WJ
Liang, CD
AF Liu, Zengcai
Fu, Wujun
Liang, Chengdu
BE Daniel, C
Besenhard, JO
TI Lithium-Sulfur Batteries
SO HANDBOOK OF BATTERY MATERIALS, 2ND EDITION
LA English
DT Article; Book Chapter
ID COMPOSITE CATHODE MATERIALS; ALL-SOLID-STATE; GLYCOL) DIMETHYL ETHER;
HIGH-ENERGY DENSITY; NANOCOMPOSITE POLYMER ELECTROLYTES; GLASS-CERAMIC
ELECTROLYTES; IONIC LIQUID ELECTROLYTE; ELECTROCHEMICAL PROPERTIES;
RECHARGEABLE BATTERIES; CARBON NANOTUBES
C1 [Liu, Zengcai; Fu, Wujun; Liang, Chengdu] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
RP Liu, ZC (reprint author), Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
NR 146
TC 0
Z9 0
U1 1
U2 2
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
BN 978-3-527-32695-2
PY 2011
BP 811
EP 840
D2 10.1002/9783527637188
PG 30
WC Chemistry, Applied; Energy & Fuels
SC Chemistry; Energy & Fuels
GA BB2KT
UT WOS:000341843300026
ER
PT J
AU Mukherjee, PP
Pannala, S
Turner, JA
AF Mukherjee, Partha P.
Pannala, Sreekanth
Turner, John A.
BE Daniel, C
Besenhard, JO
TI Modeling and Simulation of Battery Systems
SO HANDBOOK OF BATTERY MATERIALS, 2ND EDITION
LA English
DT Article; Book Chapter
ID LITHIUM-ION BATTERIES; AIR SECONDARY BATTERIES; INTERCALATION-INDUCED
STRESS; DIRECT NUMERICAL-SIMULATION; DIFFUSION-INDUCED STRESS; GENERAL
ENERGY-BALANCE; PHASE-CHANGE MATERIAL; ELECTRODE PARTICLES; CAPACITY
FADE; FUEL-CELLS
C1 [Mukherjee, Partha P.; Pannala, Sreekanth; Turner, John A.] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA.
RP Mukherjee, PP (reprint author), Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA.
NR 104
TC 10
Z9 10
U1 1
U2 3
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
BN 978-3-527-32695-2
PY 2011
BP 843
EP 875
D2 10.1002/9783527637188
PG 33
WC Chemistry, Applied; Energy & Fuels
SC Chemistry; Energy & Fuels
GA BB2KT
UT WOS:000341843300027
ER
PT J
AU Li, JL
Daniel, C
Wood, DL
AF Li, Jianlin
Daniel, Claus
Wood, David L., III
BE Daniel, C
Besenhard, JO
TI Cathode Manufacturing for Lithium-Ion Batteries
SO HANDBOOK OF BATTERY MATERIALS, 2ND EDITION
LA English
DT Article; Book Chapter
ID THIN-FILM ELECTRODES; ELECTROSTATIC SPRAY DEPOSITION; SOL-GEL METHOD;
PULSED-LASER DEPOSITION; CHEMICAL-VAPOR-DEPOSITION; MINIMUM WET
THICKNESS; ELECTROCHEMICAL PERFORMANCE; LICOO2 FILMS; PARTICLE-SIZE;
NONFLAMMABLE ELECTROLYTES
C1 [Li, Jianlin; Wood, David L., III] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Daniel, Claus] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Li, JL (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RI Daniel, Claus/A-2060-2008;
OI Daniel, Claus/0000-0002-0571-6054; Wood, David/0000-0002-2471-4214; Li,
Jianlin/0000-0002-8710-9847
NR 138
TC 4
Z9 4
U1 0
U2 3
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
BN 978-3-527-32695-2
PY 2011
BP 939
EP 960
D2 10.1002/9783527637188
PG 22
WC Chemistry, Applied; Energy & Fuels
SC Chemistry; Energy & Fuels
GA BB2KT
UT WOS:000341843300030
ER
PT J
AU Wang, GJ
Volkow, ND
Telang, F
Thanos, PK
Fowler, JS
AF Wang, Gene-Jack
Volkow, Nora D.
Telang, Frank
Thanos, Panayotis K.
Fowler, Joanna S.
BE Preedy, VR
Watson, RR
Martin, CR
TI Gender Differences in Brain Activation by Food Stimulation
SO HANDBOOK OF BEHAVIOR, FOOD AND NUTRITION
LA English
DT Article; Book Chapter
ID DOPAMINE RELEASE; DORSAL STRIATUM; MENSTRUAL-CYCLE; DRUG REWARD;
IN-VIVO; WOMEN; OBESITY; DIETARY; RESTRICTION; MODULATION
C1 [Wang, Gene-Jack; Fowler, Joanna S.] Brookhaven Natl Lab, Dept Med, Upton, NY 11973 USA.
[Volkow, Nora D.] NIDA, Off Director, Rockville, MD USA.
[Telang, Frank] NIAAA, Neuroimaging Lab, Upton, NY USA.
[Thanos, Panayotis K.] NIAAA, Behav Neuropharmacol & Neuroimaging Lab, Upton, NY USA.
RP Wang, GJ (reprint author), Brookhaven Natl Lab, Dept Med, Bldg 490, Upton, NY 11973 USA.
EM gjwang@bnl.gov
NR 35
TC 1
Z9 1
U1 0
U2 1
PU SPRINGER
PI NEW YORK
PA 233 SPRING STREET, NEW YORK, NY 10013, UNITED STATES
BN 978-0-387-92270-6
PY 2011
BP 505
EP 514
DI 10.1007/978-0-387-92271-3_33
D2 10.1007/978-0-387-92271-3
PG 10
WC Behavioral Sciences; Nutrition & Dietetics
SC Behavioral Sciences; Nutrition & Dietetics
GA BDE45
UT WOS:000312946600035
ER
PT B
AU Gander, P
Graeber, C
Belenky, G
AF Gander, Philippa
Graeber, Curt
Belenky, Gregory
BE Boy, GA
TI Operator Fatigue: Implications for Human-Machine Interaction
SO HANDBOOK OF HUMAN-MACHINE INTERACTION: A HUMAN-CENTERED DESIGN APPROACH
LA English
DT Article; Book Chapter
ID REGIONAL BRAIN ACTIVITY; SLEEP-DEPRIVATION; WORK HOURS; FLIGHT CREW;
RISK; INTERNS; PATTERNS; RESTRICTION; ALERTNESS; RECOVERY
AB Operator fatigue is a catch-all term for impairment that commonly occurs if people continue working when they have not fully recovered from the demands of prior work and other waking activities. Fatigue-related impairment can accumulate across a work period where breaks are insufficient to allow short-term recovery from task demands. Fatigue-related impairment also occurs if operators do not obtain sufficient recovery sleep between work periods. The effects of inadequate sleep are cumulative, with performance becoming increasingly impaired to the point where an operator can slip uncontrollably in and out of attentional lapses and microsleeps, during which he or she is unresponsive to task demands or other environmental stimuli. Functional degradation due to fatigue is more likely during times in the circadian body clock cycle when physiological sleep drive is high and performance capacity is sub-optimal. (The circadian body clock is a light-sensitive neural pacemaker that modulates physiological and behavioral functioning in step with the day/night cycle, to facilitate sleep at night.)
Operator fatigue results in systematic changes in physical and mental performance, and in complex behaviors such as situation awareness, decision-making, and communication. It is increasingly being identified as a causal factor in accidents and incidents, as a result of improved scientific understanding and more systematic investigation methods. Thus, the dynamics of fatigue accumulation and recovery need to be integrated into human-centered design.
Fatigue risk has traditionally been addressed at the regulatory level through prescriptive limits on hours of work and rest. Increasingly, Fatigue Risk Management Systems (as an integrated part of safety management systems) are being promulgated as a regulatory alternative. The "defenses-in-depth" paradigm is being applied to identify strategies to reduce the likelihood of fatigue-related errors, to trap such errors when they occur, and to mitigate their consequences at multiple levels in an organization.
At a minimum, fatigue risk reduction strategies should be incorporated into the design of human-machine systems where operator fatigue can be expected to have an impact on safety. Systems that are designed to be resilient to the effects of operator fatigue are also more likely to provide efficient and reliable overall human-machine interaction.
C1 [Gander, Philippa] Massey Univ, Sleep Wake Res Ctr, Palmerston North, New Zealand.
[Gander, Philippa] Harvard Univ, Sch Med, Cambridge, MA 02138 USA.
[Gander, Philippa] NASA, Fatigue Countermeasures Program, Ames, IA USA.
[Gander, Philippa] Royal Soc New Zealand, Wellington, New Zealand.
[Graeber, Curt] Graeber Grp Ltd, Kirkland, WA USA.
[Graeber, Curt] Boeing Commercial Airplanes, Seattle, WA USA.
[Graeber, Curt] Boeing Commercial Airplanes, Human Factors, Seattle, WA USA.
[Graeber, Curt] NASA, Ames Res Ctr, Flight Crew Fatigue Program, Ames, IA USA.
[Graeber, Curt] Presidential Commiss Space Shuttle Challenger Acc, Washington, DC USA.
[Belenky, Gregory] Washington State Univ, Sleep & Performance Res Ctr, Pullman, WA 99164 USA.
NR 43
TC 0
Z9 0
U1 0
U2 1
PU ASHGATE PUBLISHING LTD
PI ALDERSHOT
PA GOWER HOUSE, CROFT ROAD, ALDERSHOT GU11 3HR, ENGLAND
BN 978-1-4094-1171-0; 978-0-7546-7580-8
PY 2011
BP 365
EP 382
PG 18
WC Computer Science, Interdisciplinary Applications; Social Sciences,
Interdisciplinary
SC Computer Science; Social Sciences - Other Topics
GA BC4WA
UT WOS:000352980300018
ER
PT J
AU Higdon, D
Reese, CS
Moulton, JD
Vrugt, JA
Fox, C
AF Higdon, David
Reese, C. Shane
Moulton, J. David
Vrugt, Jasper A.
Fox, Colin
BE Brooks, S
Gelman, A
Jones, GL
Meng, XL
TI Posterior Exploration for Computationally Intensive Forward Models
SO HANDBOOK OF MARKOV CHAIN MONTE CARLO
SE Chapman & Hall-CRC Handbooks of Modern Statistical Methods
LA English
DT Article; Book Chapter
ID CHAIN MONTE-CARLO; TOMOGRAPHY; INVERSION; ALGORITHM; COARSE
C1 [Higdon, David; Moulton, J. David] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Fox, Colin] Univ Otago, Dept Phys, Dunedin, New Zealand.
[Reese, C. Shane] Brigham Young Univ, Dept Stat, Provo, UT 84602 USA.
[Vrugt, Jasper A.] Ctr Nonlinear Studies, Irvine, CA USA.
RP Higdon, D (reprint author), Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RI Vrugt, Jasper/C-3660-2008
NR 34
TC 1
Z9 1
U1 0
U2 1
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-7942-5
J9 CH CRC HANDB MOD STA
PY 2011
BP 401
EP 418
D2 10.1201/b10905
PG 18
WC Statistics & Probability
SC Mathematics
GA BWR11
UT WOS:000294600700017
ER
PT S
AU Medforth, CJ
Shelnutt, JA
AF Medforth, Craig J.
Shelnutt, John A.
BE Kadish, KM
Smith, KM
Guilard, R
TI Self-Assembled Porphyrin Nanostructures
SO HANDBOOK OF PORPHYRIN SCIENCE WITH APPLICATIONS TO CHEMISTRY, PHYSICS,
MATERIALS SCIENCE, ENGINEERING, BIOLOGY AND MEDICINE, VOL 11: CATALYSIS
AND BIO-INSPIRED SYSTEMS, PT II
SE Handbook of Porphyrin Science
LA English
DT Article; Book Chapter
ID ARTIFICIAL PHOTOSYNTHESIS; METAL PHTHALOCYANINES; CARBON-DIOXIDE; WATER;
NANOTUBES; HYDROGEN; METALLIZATION; NANORODS; TETRAPYRIDYLPORPHYRIN;
PHOTOCONDUCTIVITY
C1 [Medforth, Craig J.; Shelnutt, John A.] Sandia Natl Labs, Adv Mat Lab, Albuquerque, NM 87185 USA.
[Medforth, Craig J.] Univ New Mexico, Dept Chem & Nucl Engn, Albuquerque, NM 87106 USA.
[Shelnutt, John A.] Univ Georgia, Dept Chem, Athens, GA 30602 USA.
RP Medforth, CJ (reprint author), Sandia Natl Labs, Adv Mat Lab, 1001 Univ Blvd SE, Albuquerque, NM 87185 USA.
EM jasheln@unm.edu
NR 72
TC 7
Z9 7
U1 2
U2 2
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
SN 1793-9518
BN 978-981-4322-33-1
J9 HANDB PORPHYR SCI
PY 2011
VL 11
BP 181
EP 222
D2 10.1142/9789814322386
PG 42
WC Chemistry, Physical
SC Chemistry
GA BEL46
UT WOS:000317212200004
ER
PT B
AU Hlavacek, WS
AF Hlavacek, William S.
BE Stumpf, MPH
Balding, DJ
Girolami, M
TI Two Challenges of Systems Biology
SO HANDBOOK OF STATISTICAL SYSTEMS BIOLOGY
LA English
DT Article; Book Chapter
ID RULE-BASED MODELS; SPECTROMETRY-BASED PROTEOMICS; CELL-CYCLE CONTROL;
STOCHASTIC SIMULATION; SIGNAL-TRANSDUCTION; SYNTHETIC BIOLOGY; REACTION
NETWORKS; DESIGN PRINCIPLES; PATHWAYS; RECEPTOR
C1 Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
RP Hlavacek, WS (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
NR 105
TC 2
Z9 2
U1 0
U2 0
PU BLACKWELL SCIENCE PUBL
PI OXFORD
PA OSNEY MEAD, OXFORD OX2 0EL, ENGLAND
BN 978-1-119-97061-3; 978-0-470-71086-9
PY 2011
BP 3
EP 14
D2 10.1002/9781119970606
PG 12
WC Mathematical & Computational Biology
SC Mathematical & Computational Biology
GA BA6BV
UT WOS:000337091900002
ER
PT S
AU Becker, EM
Seifert, CE
Myjak, MJ
Erikson, LE
Morris, SJ
Balvage, DT
Lundy, RP
AF Becker, Eric M.
Seifert, Carolyn E.
Myjak, Mitchell J.
Erikson, Luke E.
Morris, Scott J.
Balvage, Duane T.
Lundy, Richard P.
BE Franks, LA
James, RB
Burger, A
TI Performance characteristics of pixelated CZT crystals used on the
GammaTracker project
SO HARD X-RAY, GAMMA-RAY, AND NEUTRON DETECTOR PHYSICS XIII
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Hard X-Ray, Gamma-Ray and Neutron Detector Physics XIII
CY AUG 22-24, 2011
CL San Diego, CA
SP SPIE
DE cadmium zinc telluride; CdZnTe; radioisotope identifier; GammaTracker;
homeland security
ID GAMMA-RAY SPECTROMETERS
AB GammaTracker is a handheld radioisotope identification device in development at Pacific Northwest National Laboratory that uses eighteen pixelated Cadmium-Zinc Telluride (CZT) crystals to provide energy resolution approaching that of high-purity germanium without the need for cryogenic cooling. Additionally, these crystals can be used to provide directional and imaging capabilities that cannot be found in other handheld detectors. A significant number of CZT crystals have been procured during the development of the GammaTracker system; the majority of these were procured with the same set of specifications. Each of these detectors has been characterized in terms of key parameters, including current-voltage response and pixel-by-pixel energy resolution. The results of this testing indicate that the overall quality of CZT crystals is improving over time.
C1 [Becker, Eric M.; Seifert, Carolyn E.; Myjak, Mitchell J.; Erikson, Luke E.; Morris, Scott J.; Balvage, Duane T.; Lundy, Richard P.] Pacific NW Natl Lab, Richland, WA 99354 USA.
RP Becker, EM (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd, Richland, WA 99354 USA.
EM carolyn.seifert@pnnl.gov
OI Myjak, Mitchell/0000-0002-3807-3542
NR 5
TC 0
Z9 0
U1 0
U2 2
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-752-0
J9 PROC SPIE
PY 2011
VL 8142
AR 81420F
DI 10.1117/12.894114
PG 17
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA BXY56
UT WOS:000297626500010
ER
PT S
AU Bizarri, G
Moses, WW
Payne, SA
Williams, RT
AF Bizarri, G.
Moses, W. W.
Payne, S. A.
Williams, R. T.
BE Franks, LA
James, RB
Burger, A
TI Towards an understanding of nonlinearity in scintillator detector
materials.
SO HARD X-RAY, GAMMA-RAY, AND NEUTRON DETECTOR PHYSICS XIII
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Hard X-Ray, Gamma-Ray and Neutron Detector Physics XIII
CY AUG 22-24, 2011
CL San Diego, CA
SP SPIE
DE nonproportionality; energy resolution; scintillators; models
ID MEASURED ELECTRON RESPONSE; ENERGY RESOLUTION; NON-PROPORTIONALITY;
LIGHT YIELD; LINE-WIDTHS; GAMMA-RAYS; NAI(TL); CRYSTALS;
NONPROPORTIONALITY; COUNTERS
AB It has been known for more than 50 years that the light emitted by a scintillator under high-energy excitation (gamma, alpha, proton) is not always proportional to the amount of absorbed energy. The deviation from the linearity of luminosity versus absorbed energy is known as nonproportionality. In addition to its academic interest, this phenomenon has been considered central for scintillator development due to its implication in the limitation of achievable detector performance. Although non-proportional response was studied intensively during the second part of the 20th century, the understanding of its origin and implications on scintillator performance are mainly qualitative. Research in the 1960s uncovered a correlation between proportional response and ionization density, while in the 1980s nonproportionality was proposed as the main reason of energy resolution deviation from the counting statistics limit. It is only recently that the bridge between qualitative and quantitative understanding has been crossed, mainly driven by the large effort undertaken to discover new high-resolution scintillators. Developing such detector materials prompted efforts to gain a deeper understanding of the microscopic processes involved in scintillation mechanisms and so in nonproportionality. In this manuscript, the phenomenology of past and present understanding of non-proportional response will be reviewed. Based on recent experimental, computational and theoretical works, the relation between nonlinear response and energy resolution degradation will be addressed. Finally, the relation between material parameters and proportionality will be evaluated. These recent works are leading towards a deeper understanding of nonlinearity in scintillator detector materials and should result in the development of new high performance scintillator materials.
C1 [Bizarri, G.; Moses, W. W.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Bizarri, G (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
EM gabizarri@lbl.gov; wwmoses@lbl.gov; payne3@llnl.gov; williams@wfu.edu
NR 51
TC 0
Z9 0
U1 1
U2 6
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-752-0
J9 PROC SPIE
PY 2011
VL 8142
AR 81420X
DI 10.1117/12.896001
PG 11
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA BXY56
UT WOS:000297626500024
ER
PT S
AU Bolotnikov, AE
Butcher, J
Camarda, GS
Cui, Y
Egarievwe, SU
Fochuk, PM
Gul, R
Hamade, M
Hossain, A
Kim, K
Kopach, OV
Petryk, M
Raghothamachar, B
Yang, G
James, RB
AF Bolotnikov, A. E.
Butcher, J.
Camarda, G. S.
Cui, Y.
Egarievwe, S. U.
Fochuk, P. M.
Gul, R.
Hamade, M.
Hossain, A.
Kim, K.
Kopach, O. V.
Petryk, M.
Raghothamachar, B.
Yang, G.
James, R. B.
BE Franks, LA
James, RB
Burger, A
TI Effects of the networks of subgrain boundaries on spectral responses of
thick CdZnTe detectors
SO HARD X-RAY, GAMMA-RAY, AND NEUTRON DETECTOR PHYSICS XIII
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Hard X-Ray, Gamma-Ray and Neutron Detector Physics XIII
CY AUG 22-24, 2011
CL San Diego, CA
SP SPIE
DE CdZnTe detectors; virtual Frisch-grid detectors; crystal defects
AB CdZnTe (CZT) crystals used for nuclear-radiation detectors often contain high concentrations of subgrain boundaries and networks of poligonized dislocations that can significantly degrade the performance of semiconductor devices. These defects exist in all commercial CZT materials, regardless of their growth techniques and their vendor. We describe our new results from examining such detectors using IR transmission microscopy and white X-ray beam diffraction topography. We emphasize the roles on the devices' performances of networks of subgrain boundaries with low dislocation densities, such as poligonized dislocations and mosaic structures. Specifically, we evaluated their effects on the gamma-ray responses of thick, >10 mm, CZT detectors. Our findings set the lower limit on the energy resolution of CZT detectors containing dense networks of subgrain boundaries and walls of dislocations.
C1 [Bolotnikov, A. E.; Butcher, J.; Camarda, G. S.; Cui, Y.; Gul, R.; Hamade, M.; Hossain, A.; Kim, K.; Petryk, M.; Yang, G.; James, R. B.] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Bolotnikov, AE (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
RI Yang, Ge/G-1354-2011; Fochuk, Petro/D-9409-2016; Kopach,
Oleh/C-3993-2017
OI Fochuk, Petro/0000-0002-4149-4882; Kopach, Oleh/0000-0002-1513-5261
NR 8
TC 2
Z9 2
U1 1
U2 5
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-752-0
J9 PROC SPIE
PY 2011
VL 8142
AR 814206
DI 10.1117/12.896223
PG 6
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA BXY56
UT WOS:000297626500005
ER
PT S
AU Camarda, GS
Bolotnikov, AE
Chan, W
Cui, Y
Gul, R
Hossain, A
Kim, K
Yang, G
James, RB
AF Camarda, G. S.
Bolotnikov, A. E.
Chan, W.
Cui, Y.
Gul, R.
Hossain, A.
Kim, K.
Yang, G.
James, R. B.
BE Franks, LA
James, RB
Burger, A
TI Hybrid Contacts for CZT Virtual Frisch-grid Detectors
SO HARD X-RAY, GAMMA-RAY, AND NEUTRON DETECTOR PHYSICS XIII
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Hard X-Ray, Gamma-Ray and Neutron Detector Physics XIII
CY AUG 22-24, 2011
CL San Diego, CA
SP SPIE
DE CZT; Frisch-grid detectors; NSLS beamline X27B; hybrid anode; X-ray
response maps
AB In our previous design of virtual Frisch-grid CdZnTe (CZT) detectors, the charge drift-lines can be terminated at the side surfaces before the carriers reach the collecting anode; this results in a loss of signal from the interacting events near the detector's edges. Here, we describe our new design for the anode contact that reduces these edge effects by focusing the electric field towards the detectors' central axes. Four detectors were fabricated with the new hybrid anode contact, and their performances were evaluated and compared to those from the previous design for our virtual Frisch-grid detectors. The results obtained for all four showed similar improvement: therefore, we illustrate them with the findings from one detector.
C1 [Camarda, G. S.; Bolotnikov, A. E.; Cui, Y.; Gul, R.; Hossain, A.; Kim, K.; Yang, G.; James, R. B.] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Camarda, GS (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
EM Giuseppec@bnl.gov
RI Yang, Ge/G-1354-2011
NR 8
TC 1
Z9 1
U1 1
U2 2
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-752-0
J9 PROC SPIE
PY 2011
VL 8142
AR 814202
DI 10.1117/12.896682
PG 6
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA BXY56
UT WOS:000297626500003
ER
PT S
AU Cherepy, NJ
Payne, SA
Sturm, BW
O'Neal, SP
Seeley, ZM
Drury, OB
Haselhorst, LK
Rupert, BL
Sanner, RD
Thelin, PA
Fisher, SE
Hawrami, R
Shah, KS
Burger, A
Ramey, JO
Boatner, LA
AF Cherepy, N. J.
Payne, S. A.
Sturm, B. W.
O'Neal, S. P.
Seeley, Z. M.
Drury, O. B.
Haselhorst, L. K.
Rupert, B. L.
Sanner, R. D.
Thelin, P. A.
Fisher, S. E.
Hawrami, R.
Shah, K. S.
Burger, A.
Ramey, J. O.
Boatner, L. A.
BE Franks, LA
James, RB
Burger, A
TI Performance of Europium-Doped Strontium Iodide, Transparent Ceramics and
Bismuth-loaded Polymer Scintillators
SO HARD X-RAY, GAMMA-RAY, AND NEUTRON DETECTOR PHYSICS XIII
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Hard X-Ray, Gamma-Ray and Neutron Detector Physics XIII
CY AUG 22-24, 2011
CL San Diego, CA
SP SPIE
DE Scintillators; strontium iodide; garnets; bixbyites; transparent
ceramics; gamma ray spectrometers; radiography scintillators; plastic
scintillators
ID FLAME SPRAY-PYROLYSIS; LUMINESCENCE
AB Recently discovered scintillators for gamma ray spectroscopy - single-crystal SrI2(Eu), GYGAG(Ce) transparent ceramic and Bismuth-loaded plastics - offer resolution and fabrication advantages compared to commercial scintillators, such as NaI(Tl) and standard PVT plastic. Energy resolution at 662 keV of 2.7% is obtained with SrI2(Eu), while 4.5% is obtained with GYGAG(Ce). A new transparent ceramic scintillator for radiographic imaging systems, GLO(Eu), offers high light yield of 70,000 Photons/MeV, high stopping, and low radiation damage. Implementation of single-crystal SrI2(Eu), Gd-based transparent ceramics, and Bi-loaded plastic scintillators can advance the state-of-the art in ionizing radiation detection systems.
C1 [Cherepy, N. J.; Payne, S. A.; Sturm, B. W.; O'Neal, S. P.; Seeley, Z. M.; Drury, O. B.; Haselhorst, L. K.; Rupert, B. L.; Sanner, R. D.; Thelin, P. A.; Fisher, S. E.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Cherepy, NJ (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA.
EM cherepy1@llnl.gov
RI Cherepy, Nerine/F-6176-2013; Boatner, Lynn/I-6428-2013
OI Cherepy, Nerine/0000-0001-8561-923X; Boatner, Lynn/0000-0002-0235-7594
NR 25
TC 14
Z9 14
U1 1
U2 19
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-752-0
J9 PROC SPIE
PY 2011
VL 8142
AR 81420W
DI 10.1117/12.896656
PG 8
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA BXY56
UT WOS:000297626500023
ER
PT S
AU Conway, AM
Voss, LF
Nelson, AJ
Beck, PR
Graff, RT
Nikolic, RJ
Payne, SA
Kim, H
Cirignano, LJ
Shah, K
AF Conway, A. M.
Voss, L. F.
Nelson, A. J.
Beck, P. R.
Graff, R. T.
Nikolic, R. J.
Payne, S. A.
Kim, H.
Cirignano, L. J.
Shah, K.
BE Franks, LA
James, RB
Burger, A
TI Long-term room temperature stability of TlBr gamma detectors
SO HARD X-RAY, GAMMA-RAY, AND NEUTRON DETECTOR PHYSICS XIII
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Hard X-Ray, Gamma-Ray and Neutron Detector Physics XIII
CY AUG 22-24, 2011
CL San Diego, CA
SP SPIE
DE TlBr; semiconductor radiation detector; room temperature gamma detector
AB TlBr is a material of interest for use in room temperature gamma ray detector applications due to is wide bandgap 2.7 eV and high average atomic number (Tl 81, Br 35). Researchers have achieved energy resolutions of 1.3 % at 662 keV, demonstrating the potential of this material system. However, these detectors are known to polarize using conventional configurations, limiting their use. Continued improvement of room temperature, high-resolution gamma ray detectors based on TlBr requires further understanding of the degradation mechanisms. While high quality material is a critical starting point for excellent detector performance, we show that the room temperature stability of planar TlBr gamma spectrometers can be significantly enhanced by treatment with both hydrofluoric and hydrochloric acid. By incorporating F or Cl into the surface of TlBr, current instabilities are eliminated and the longer term current of the detectors remains unchanged. Am-241 spectra are also shown to be more stable for extended periods; detectors have been held at 2000 V/cm for 52 days with less than 10% degradation in peak centroid position. In addition, evidence for the long term degradation mechanism being related to the contact metal is presented.
C1 [Conway, A. M.; Voss, L. F.; Nelson, A. J.; Beck, P. R.; Graff, R. T.; Nikolic, R. J.; Payne, S. A.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Conway, AM (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA.
EM conway8@llnl.gov
NR 8
TC 4
Z9 4
U1 0
U2 4
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-752-0
J9 PROC SPIE
PY 2011
VL 8142
AR 81420J
DI 10.1117/12.896713
PG 9
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA BXY56
UT WOS:000297626500013
ER
PT S
AU Izumi, N
Emig, J
Moody, J
Middleton, C
Holder, J
Piston, K
Smalyuk, V
Hagmann, C
Ayers, J
Celeste, J
Cerjan, C
Felker, B
Sorce, C
Krauter, K
Glenn, S
Bourgade, JL
Kilkenny, JD
Bradley, DK
Bell, PM
AF Izumi, N.
Emig, J.
Moody, J.
Middleton, C.
Holder, J.
Piston, K.
Smalyuk, V.
Hagmann, C.
Ayers, J.
Celeste, J.
Cerjan, C.
Felker, B.
Sorce, C.
Krauter, K.
Glenn, S.
Bourgade, J. -L.
Kilkenny, J. D.
Bradley, D. K.
Bell, P. M.
BE Franks, LA
James, RB
Burger, A
TI Efficiency and decay time measurement of phosphors for x-ray framing
cameras usable in harsh radiation background
SO HARD X-RAY, GAMMA-RAY, AND NEUTRON DETECTOR PHYSICS XIII
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Hard X-Ray, Gamma-Ray and Neutron Detector Physics XIII
CY AUG 22-24, 2011
CL San Diego, CA
SP SPIE
DE gated x-ray imager; neutron background; phosphor
AB Phosphors are key components of x-ray framing cameras. On implosion experiments at the National Ignition Facility, the x-ray framing cameras must operate in a harsh neutron induced ionizing radiation. One promising approach of neutron induced background reduction is separation of the neutron background with using difference of x-ray and neutron time-of-flight. To complete x-ray imaging before arrival of the neutron induced radiation to the detector, it is crucial to find a phosphor which has high efficiency and fast decay time. We tested various phosphor materials to optimize design of framing cameras for implosion experiments.
C1 [Izumi, N.; Emig, J.; Moody, J.; Middleton, C.; Holder, J.; Piston, K.; Smalyuk, V.; Hagmann, C.; Ayers, J.; Celeste, J.; Cerjan, C.; Felker, B.; Sorce, C.; Krauter, K.; Glenn, S.; Bradley, D. K.; Bell, P. M.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Izumi, N (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA.
RI IZUMI, Nobuhiko/J-8487-2016
OI IZUMI, Nobuhiko/0000-0003-1114-597X
NR 10
TC 0
Z9 0
U1 0
U2 5
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-752-0
J9 PROC SPIE
PY 2011
VL 8142
AR 81420I
DI 10.1117/12.893840
PG 6
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA BXY56
UT WOS:000297626500012
ER
PT S
AU Jordan, DV
Baciak, JE
McDonald, BS
Hensley, WK
Miller, EA
Wittman, RS
Siciliano, ER
AF Jordan, David V.
Baciak, James E.
McDonald, Benjamin S.
Hensley, Walter K.
Miller, Erin A.
Wittman, Richard S.
Siciliano, Edward R.
BE Franks, LA
James, RB
Burger, A
TI Computational Assessment of the Impact of Gamma-ray Detector Material
Properties on Spectroscopic Performance
SO HARD X-RAY, GAMMA-RAY, AND NEUTRON DETECTOR PHYSICS XIII
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Hard X-Ray, Gamma-Ray and Neutron Detector Physics XIII
CY AUG 22-24, 2011
CL San Diego, CA
SP SPIE
DE Gamma-ray detectors; energy resolution; detection efficiency; parametric
study
ID NEUTRON-INDUCED FISSION; SIGNATURE CALCULATION
AB Pacific Northwest National Laboratory (PNNL) is performing a computational assessment of the impact of several important gamma-ray detector material properties (e. g. energy resolution and intrinsic detection efficiency) on the scenario-specific spectroscopic performance of these materials. The research approach combines 3D radiation transport calculations, detector response modeling, and spectroscopic analysis of simulated energy deposition spectra to map the functional dependence of detection performance on the underlying material properties. This assessment is intended to help guide formulation of performance goals for new detector materials within the context of materials discovery programs, with an emphasis on applications in the threat reduction, nonproliferation, and safeguards/verification user communities. The research results will also provide guidance to the gamma-ray sensor design community in estimating relative spectroscopic performance merits of candidate materials for novel or notional detectors.
C1 [Jordan, David V.; Baciak, James E.; McDonald, Benjamin S.; Hensley, Walter K.; Miller, Erin A.; Wittman, Richard S.; Siciliano, Edward R.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Jordan, DV (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd, Richland, WA 99352 USA.
EM David.Jordan@pnnl.gov
OI McDonald, Benjamin/0000-0002-4596-9670
NR 14
TC 1
Z9 1
U1 0
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-752-0
J9 PROC SPIE
PY 2011
VL 8142
AR 81421K
DI 10.1117/12.897316
PG 12
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA BXY56
UT WOS:000297626500037
ER
PT S
AU Maxey, LC
Ally, TR
Brunson, AM
Garcia, FD
Goetz, KC
Hasse, KE
McManamy, TJ
Mitchell, MA
Simpson, ML
Shea, TJ
Kumler, JJ
Brown, D
Lindsey, T
Victorio, T
AF Maxey, L. C.
Ally, T. R.
Brunson, A. M.
Garcia, F. D.
Goetz, K. C.
Hasse, K. E.
McManamy, T. J.
Mitchell, M. A.
Simpson, M. L.
Shea, T. J.
Kumler, J. J.
Brown, D.
Lindsey, T.
Victorio, T.
BE Franks, LA
James, RB
Burger, A
TI A hybrid reflective/refractive/diffractive achromatic fiber-coupled
radiation resistant imaging system for use in the Spallation Neutron
Source (SNS)
SO HARD X-RAY, GAMMA-RAY, AND NEUTRON DETECTOR PHYSICS XIII
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Hard X-Ray, Gamma-Ray and Neutron Detector Physics XIII
CY AUG 22-24, 2011
CL San Diego, CA
SP SPIE
DE Spallation Neutron Source; proton beam imaging; diffractive optics;
achromatic corrector
AB A fiber-coupled imaging system for monitoring the proton beam profile on the target of the Spallation Neutron Source was developed using reflective, refractive and diffractive optics to focus an image onto a fiber optic imaging bundle. The imaging system monitors the light output from a chromium-doped aluminum oxide (Al(2)0(3):Cr) scintillator on the nose of the target. Metal optics are used to relay the image to the lenses that focus the image onto the fiber. The material choices for the lenses and fiber were limited to high-purity fused silica, due to the anticipated radiation dose of 10(8) R. In the first generation system (which had no diffractive elements), radiation damage to the scintillator on the nose of the target significantly broadened the normally monochromatic (694 nm) spectrum. This created the need for an achromatic design in the second generation system. This was achieved through the addition of a diffractive optic for chromatic correction. An overview of the target imaging system and its performance, with particular emphasis on the design and testing of a hybrid refractive/diffractive high-purity fused silica imaging triplet, is presented.
C1 [Maxey, L. C.; Ally, T. R.; Brunson, A. M.; Garcia, F. D.; Goetz, K. C.; Hasse, K. E.; McManamy, T. J.; Mitchell, M. A.; Simpson, M. L.; Shea, T. J.] Oak Ridge Natl Lab, Oak Ridge, TN USA.
RP Maxey, LC (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN USA.
NR 6
TC 0
Z9 0
U1 0
U2 2
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-752-0
J9 PROC SPIE
PY 2011
VL 8142
AR 81420N
DI 10.1117/12.894125
PG 13
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA BXY56
UT WOS:000297626500016
ER
PT S
AU Payne, SA
Hunter, S
Sturm, BW
Cherepy, NJ
Ahle, L
Sheets, S
Dazeley, S
Moses, WW
Bizarri, G
AF Payne, S. A.
Hunter, S.
Sturm, B. W.
Cherepy, N. J.
Ahle, L.
Sheets, S.
Dazeley, S.
Moses, W. W.
Bizarri, G.
BE Franks, LA
James, RB
Burger, A
TI Physics of Scintillator Nonproportionality
SO HARD X-RAY, GAMMA-RAY, AND NEUTRON DETECTOR PHYSICS XIII
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Hard X-Ray, Gamma-Ray and Neutron Detector Physics XIII
CY AUG 22-24, 2011
CL San Diego, CA
SP SPIE
DE Scintillators; nonproportionality
ID ENERGY RESOLUTION
AB Scintillator nonproportionality is a key mechanism by which the energy resolution is degraded in gamma spectroscopy. Herein, we survey the results obtained for a number of inorganic scintillating materials, including alkali and multivalent halides, fluorides, simple oxides, silicates, and a tungstate. The results are interpreted in the context of a model that accounts for carrier attraction by the Onsager mechanism and exciton-exciton annihilation by the Birks model. We then utilize the theory of Landau fluctuations in combination with the fitted experimental nonproportionality curves to deduce the predicted value of the resolution degradation.
C1 [Payne, S. A.; Hunter, S.; Sturm, B. W.; Cherepy, N. J.; Ahle, L.; Sheets, S.; Dazeley, S.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Payne, SA (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RI Cherepy, Nerine/F-6176-2013
OI Cherepy, Nerine/0000-0001-8561-923X
NR 13
TC 1
Z9 1
U1 0
U2 5
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-752-0
J9 PROC SPIE
PY 2011
VL 8142
AR 814210
DI 10.1117/12.895969
PG 7
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA BXY56
UT WOS:000297626500026
ER
PT S
AU Singh, DJ
AF Singh, David J.
BE Franks, LA
James, RB
Burger, A
TI Optical properties of halide and oxide scintillators
SO HARD X-RAY, GAMMA-RAY, AND NEUTRON DETECTOR PHYSICS XIII
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Hard X-Ray, Gamma-Ray and Neutron Detector Physics XIII
CY AUG 22-24, 2011
CL San Diego, CA
SP SPIE
DE scintillators; halides; refractive index; transparent ceramic; CaI2;
CeCl3.
ID CERAMIC SCINTILLATORS
AB Knowledge of optical properties of scintillators is important both for the optimization of scintillator systems and the development of new materials particularly ceramic scintillators. Recent theoretical developments, especially new density functionals that enable accurate prediction of band gaps, have made it possible to perform quantitative calculations of the optical properties of scintillator materials. We used these techniques to obtain optical properties of a large number of high light output halide scintillators. These calculations showed that many halide scintillators have remarkably little optical anisotropy and may be good candidates for development as ceramic scintillators. These include materials such as CaI2:Eu2+ that have very high light output and other favorable properties but are difficult to develop due to crystal growth issues. We review some of our recent results and present new results for CeCl3.
C1 Oak Ridge Natl Lab, Ctr Radiat Detect Mat & Syst, Oak Ridge, TN 37831 USA.
RP Singh, DJ (reprint author), Oak Ridge Natl Lab, Ctr Radiat Detect Mat & Syst, Oak Ridge, TN 37831 USA.
EM singhdj@ornl.gov
RI Singh, David/I-2416-2012
NR 20
TC 0
Z9 0
U1 1
U2 6
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-752-0
J9 PROC SPIE
PY 2011
VL 8142
AR 81420U
DI 10.1117/12.894957
PG 7
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA BXY56
UT WOS:000297626500022
ER
PT S
AU Teague, LC
Washington, AL
Duff, MC
Groza, M
Buliga, V
Burger, A
AF Teague, Lucile C.
Washington, Aaron L., II
Duff, Martine C.
Groza, Michael
Buliga, Vladimir
Burger, Arnold
BE Franks, LA
James, RB
Burger, A
TI Illumination response of CdZnTe
SO HARD X-RAY, GAMMA-RAY, AND NEUTRON DETECTOR PHYSICS XIII
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Hard X-Ray, Gamma-Ray and Neutron Detector Physics XIII
CY AUG 22-24, 2011
CL San Diego, CA
SP SPIE
DE CdZnTe; CZT; detector; semiconductor; X-ray; gamma-ray
ID INTERNAL ELECTRIC-FIELD; RADIATION DETECTORS; CDTE; SPECTROSCOPY;
CRYSTALS; TRAPS
AB CdZnTe (CZT) semiconducting crystals are of interest for use as room temperature X-and gamma-ray spectrometers. Several studies have focused on understanding the various electronic properties of these materials, such as the surface and bulk resistivities and the distribution of the electric field within the crystal. Specifically of interest is how these properties are influenced by a variety of factors including structural heterogeneities, such as secondary phases (SPs) and line defects as well as environmental effects. Herein, we report the bulk current, surface current, electric field distribution and performance of a spectrometer-grade CZT crystal exposed to above band-gap energy illumination.
C1 [Teague, Lucile C.; Washington, Aaron L., II; Duff, Martine C.] Savannah River Natl Lab, Aiken, SC 29808 USA.
RP Teague, LC (reprint author), Savannah River Natl Lab, Aiken, SC 29808 USA.
EM lucile.teague@srnl.doe.gov
NR 20
TC 0
Z9 0
U1 0
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-752-0
J9 PROC SPIE
PY 2011
VL 8142
AR 814205
DI 10.1117/12.892398
PG 7
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA BXY56
UT WOS:000297626500004
ER
PT S
AU Yang, G
Bolotnikov, AE
Fochuk, PM
Cui, Y
Camarda, GS
Hossain, A
Kim, KH
Horace, J
McCall, B
Gul, R
Kopach, OV
Egarievwe, SU
James, RB
AF Yang, G.
Bolotnikov, A. E.
Fochuk, P. M.
Cui, Y.
Camarda, G. S.
Hossain, A.
Kim, K. H.
Horace, J.
McCall, B.
Gul, R.
Kopach, O. V.
Egarievwe, S. U.
James, R. B.
BE Franks, LA
James, RB
Burger, A
TI Effects of Thermal Annealing on the Structural Properties of CdZnTe
Crystals
SO HARD X-RAY, GAMMA-RAY, AND NEUTRON DETECTOR PHYSICS XIII
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Hard X-Ray, Gamma-Ray and Neutron Detector Physics XIII
CY AUG 22-24, 2011
CL San Diego, CA
SP SPIE
DE radiation detection; CZT; annealing; Te inclusions; sub-grain boundaries
ID RADIATION DETECTORS; PERFORMANCE
AB Although cadmium zinc telluride (CZT) is one of leading materials for fabricating room-temperature nuclear-radiation-detectors, different defects in the crystals can degrade the performance of CZT detectors. Post-growth thermal annealing potentially offers a satisfactory way to eliminate the deleterious influence of these defects. Here, we report that the annealing of CZT in Cd vapor effectively lowers the density of Te inclusions. It takes a much longer annealing time to eliminate separate large Te inclusions than small ones; however, the annealing time is greatly reduced when the large Te inclusions are distributed along grain boundaries. We found that sub-grain boundaries still exist after the annealing at 500 degrees C, indicating that a higher annealing temperature might be needed.
C1 [Yang, G.; Bolotnikov, A. E.; Fochuk, P. M.; Cui, Y.; Camarda, G. S.; Hossain, A.; Kim, K. H.; Horace, J.; McCall, B.; Gul, R.; Kopach, O. V.; Egarievwe, S. U.; James, R. B.] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Yang, G (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
EM gyang@bnl.gov
RI Yang, Ge/G-1354-2011; Fochuk, Petro/D-9409-2016; Kopach,
Oleh/C-3993-2017
OI Fochuk, Petro/0000-0002-4149-4882; Kopach, Oleh/0000-0002-1513-5261
NR 5
TC 5
Z9 5
U1 0
U2 5
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-752-0
J9 PROC SPIE
PY 2011
VL 8142
AR 814217
DI 10.1117/12.894961
PG 6
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA BXY56
UT WOS:000297626500030
ER
PT S
AU Roll, JL
Trew, NJM
Geis, MR
Havig, PR
AF Roll, Jason L.
Trew, Noel J. M.
Geis, Matthew R.
Havig, Paul R.
BE Marasco, PL
Havig, PR
TI Evaluation of anti-glare applications for a tactical helmet-mounted
display
SO HEAD- AND HELMET-MOUNTED DISPLAYS XVI: DESIGN AND APPLICATIONS
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Head- and Helmet-Mounted Displays XVI - Design and
Applications
CY APR 28, 2011
CL Orlando, FL
SP SPIE
DE HMD; Glare; Anti-Reflective; Hood
ID CONTRAST; PERFORMANCE
AB Non see-through, monocular helmet mounted displays (HMDs) provide warfighters with unprecedented amounts of information at a glance. The US Air Force recognizes their usefulness, and has included such an HMD as part of a kit for ground-based, Battlefield Airmen. Despite their many advantages, non see-through HMDs occlude a large portion of the visual field when worn as designed, directly in front of the eye. To address this limitation, operators have chosen to wear it just above the cheek, angled up toward the eye. However, wearing the HMD in this position exposes the display to glare, causing a potential viewing problem. In order to address this problem, we tested several film and HMD hood applications for their effect on glare. The first experiment objectively examined the amount of light reflected off the display with each application in a controlled environment. The second experiment used human participants to subjectively evaluate display readability/legibility with each film and HMD hood covering under normal office lighting and under a simulated sunlight condition. In this test paradigm, participants had to correctly identify different icons on a map and different words on a white background. Our results indicate that though some applications do reduce glare, they do not significantly improve the HMD's readability/legibility compared with an uncovered screen. This suggests that these post-production modifications will not completely solve this problem and underscores the importance of employing a user-centered approach early in the design cycle to determine an operator's use-case before manufacturing an HMD for a particular user community.
C1 [Roll, Jason L.] Oak Ridge Associated Univ, Belcamp, MD 21017 USA.
RP Roll, JL (reprint author), Oak Ridge Associated Univ, 4692 Millennium Dr, Belcamp, MD 21017 USA.
NR 11
TC 0
Z9 0
U1 0
U2 0
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-615-8
J9 PROC SPIE
PY 2011
VL 8041
AR 804106
DI 10.1117/12.884104
PG 12
WC Optics; Imaging Science & Photographic Technology
SC Optics; Imaging Science & Photographic Technology
GA BVO18
UT WOS:000292033000005
ER
PT J
AU Lyons, PB
AF Lyons, Peter B.
TI SIXTH WARREN K. SINCLAIR KEYNOTE ADDRESS: THE ROLE OF A STRONG REGULATOR
IN SAFE AND SECURE NUCLEAR ENERGY
SO HEALTH PHYSICS
LA English
DT Article
DE National Council on Radiation Protection and Measurements; nuclear power
industry; nuclear workers; regulations
AB The history of nuclear regulation is briefly reviewed to underscore the early recognition that independence of the regulator was essential in achieving and maintaining public credibility. The current licensing process is reviewed along with the status of applications. Challenges faced by both the NRC and the industry are reviewed, such as new construction techniques involving modular construction, digital controls replacing analog circuitry, globalization of the entire supply chain, and increased security requirements. The vital area of safety culture is discussed in some detail, and its importance is emphasized. Health Phys. 100(1):5-11; 2011
C1 US DOE, US Nucl Regulatory Commiss, Off Nucl Energy, Washington, DC 20585 USA.
RP Lyons, PB (reprint author), US DOE, US Nucl Regulatory Commiss, Off Nucl Energy, Washington, DC 20585 USA.
EM peter.lyons@hg.doe.gov
NR 0
TC 0
Z9 0
U1 1
U2 4
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 JAN
PY 2011
VL 100
IS 1
BP 5
EP 11
DI 10.1097/HP.0b013e3181f6e76e
PG 7
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 692FN
UT WOS:000285138600002
PM 21399404
ER
PT J
AU Hill, RN
Nutt, WM
Laidler, JJ
AF Hill, R. N.
Nutt, W. M.
Laidler, J. J.
TI ADVANCED REACTORS AND ASSOCIATED FUEL CYCLE FACILITIES: SAFETY AND
ENVIRONMENTAL IMPACTS
SO HEALTH PHYSICS
LA English
DT Article
DE National Council on Radiation Protection and Measurements; nuclear fuel
cycle; nuclear reactor; waste management
AB The safety and environmental impacts of new technology and fuel cycle approaches being considered in current U. S. nuclear research programs are contrasted to conventional technology options in this paper. Two advanced reactor technologies, the sodium-cooled fast reactor (SFR) and the very high temperature gas-cooled reactor (VHTR), are being developed. In general, the new reactor technologies exploit inherent features for enhanced safety performance. A key distinction of advanced fuel cycles is spent fuel recycle facilities and new waste forms. In this paper, the performance of existing fuel cycle facilities and applicable regulatory limits are reviewed. Technology options to improve recycle efficiency, restrict emissions, and/or improve safety are identified. For a closed fuel cycle, potential benefits in waste management are significant, and key waste form technology alternatives are described. Health Phys. 100(1):20-31; 2011
C1 [Hill, R. N.; Laidler, J. J.] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Hill, RN (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM bobhill@anl.gov
FU U.S. Department of Energy, Office of Nuclear Energy [DE-AC02-06CH11357]
FX Argonne National Laboratory's work was supported by the U.S. Department
of Energy, Office of Nuclear Energy, under contract DE-AC02-06CH11357.
NR 20
TC 1
Z9 1
U1 1
U2 9
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 JAN
PY 2011
VL 100
IS 1
BP 20
EP 31
DI 10.1097/HP.0b013e3181fa38d9
PG 12
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 692FN
UT WOS:000285138600005
PM 21399407
ER
PT J
AU Perkowski, JC
AF Perkowski, Joseph C.
TI PANEL SESSION ON INTERNATIONAL PERSPECTIVES ON THE FUTURE OF NUCLEAR
POWER
SO HEALTH PHYSICS
LA English
DT Article
DE National Council on Radiation Protection and Measurements; nuclear power
industry; radiation effects; radiation, technological enhancements
AB The 2009 National Council on Radiation Protection (NCRP) Annual Meeting provided an opportunity to exchange viewpoints and consider current information regarding the evolution of selected commercial nuclear power trends worldwide. Within the overall topical context of radiation-related regulation, focus was placed on activities in the United Kingdom, Japan, and the United States, although general global developments were reviewed to some extent. This paper provides the reader with a sense of these activities as described by the authors and presenters: David Bennett (Environmental Agency, United Kingdom), Alan Hanson (AREVA), Shojiro Matsuura (Japan Nuclear Safety Research Association), and Alexander Marion (Nuclear Energy Institute). Health Phys. 100(1):32-34; 2011
C1 Idaho Natl Lab, Idaho Falls, ID 83415 USA.
RP Perkowski, JC (reprint author), Idaho Natl Lab, 2525 Fremont Ave, Idaho Falls, ID 83415 USA.
EM Joseph.Perkowskianl@inl.gov
NR 0
TC 0
Z9 0
U1 1
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 JAN
PY 2011
VL 100
IS 1
BP 32
EP 34
DI 10.1097/HP.0b013e3181f59da4
PG 3
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 692FN
UT WOS:000285138600006
PM 21399408
ER
PT J
AU Finck, PJ
Wigeland, RA
Hill, RN
AF Finck, Phillip J.
Wigeland, Roald A.
Hill, Robert N.
TI REACTOR-BASED MANAGEMENT OF USED NUCLEAR FUEL: ASSESSMENT OF MAJOR
OPTIONS
SO HEALTH PHYSICS
LA English
DT Article
DE National Council on Radiation Protection and Measurements; nuclear fuel
cycle; nuclear reactor; waste management
ID GEOLOGIC REPOSITORY
AB This paper discusses the current status of the ongoing Advanced Fuel Cycle Initiative (AFCI) program in the U. S. Department of Energy that is investigating the potential for using the processing and recycling of used nuclear fuel to improve radioactive waste management, including used fuel. A key element of the strategies is to use nuclear reactors for further irradiation of recovered chemical elements to transmute certain long-lived highly-radioactive isotopes into less hazardous isotopes. Both thermal and fast neutron spectrum reactors are being studied as part of integrated nuclear energy systems where separations, transmutation, and disposal are considered. Radiotoxicity is being used as one of the metrics for estimating the hazard of used fuel and the processing of wastes resulting from separations and recycle-fuel fabrication. Decay heat from the used fuel and/or wastes destined for disposal is used as a metric for use of a geologic repository. Results to date indicate that the most promising options appear to be those using fast reactors in a repeated recycle mode to limit buildup of higher actinides, since the transuranic elements are a key contributor to the radiotoxicity and decay heat. Using such an approach, there could be much lower environmental impact from the high-level waste as compared to direct disposal of the used fuel, but there would likely be greater generation of low-level wastes that will also require disposal. An additional potential waste management benefit is having the ability to tailor waste forms and contents to one or more targeted disposal environments (i.e., to be able to put waste in environments best-suited for the waste contents and forms). Health Phys. 100(1):46-53; 2011
C1 [Finck, Phillip J.; Wigeland, Roald A.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
[Hill, Robert N.] Argonne Natl Lab, Argonne, IL 60439 USA.
RP Finck, PJ (reprint author), Idaho Natl Lab, POB 1625,Mail Stop 3860, Idaho Falls, ID 83415 USA.
EM phillip.finck@inl.gov
FU United States Department of Energy
FX This work was supported by the United States Department of Energy.
NR 6
TC 1
Z9 1
U1 1
U2 12
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 JAN
PY 2011
VL 100
IS 1
BP 46
EP 53
DI 10.1097/HP.0b013e3181fa4843
PG 8
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 692FN
UT WOS:000285138600009
PM 21399411
ER
PT J
AU Abergel, RJ
Raymond, KN
AF Abergel, Rebecca J.
Raymond, Kenneth N.
TI MULTIDENTATE TEREPHTHALAMIDATE AND HYDROXYPYRIDONATE LIGANDS: TOWARDS
NEW ORALLY ACTIVE CHELATORS
SO HEMOGLOBIN
LA English
DT Article; Proceedings Paper
CT 19th International Conference on Chelation (ICOC)
CY NOV 13-16, 2009
CL London, ENGLAND
DE Iron overload; Actinide contamination; Hydroxypyridonate ligands;
Terephthalamidate ligands; Chelating agents; Chelation therapy
ID IRON CHELATORS; ACTINIDE CHELATORS; METAL-IONS; IN-VIVO; DEFERASIROX;
TOXICITY; OVERLOAD; EFFICACY; PU(IV); AGENTS
AB The limitations of current therapies for the treatment of iron overload or radioisotope contamination have stimulated efforts to develop new orally bioavailable iron and actinide chelators. Siderophore-inspired tetradentate, hexadentate and octadentate terephthalamidate and hydroxypyridonate ligands were evaluated in vivo as selective and efficacious iron or actinide chelating agents, with several metal loading and ligand assessment procedures, using Fe-59, Pu-238, and Am-241 as radioactive tracers. The compounds presented in this study were compared to commercially available therapeutic sequestering agents [deferoxamine (DFO) for iron and diethylenetriaminepentaacetic acid (DPTA) for actinides] and are unrivaled in terms of affinity, selectivity and decorporation efficacy, which attests to the fact that high metal affinity may overcome the low bioavailability properties commonly associated to multidenticity.
C1 [Abergel, Rebecca J.; Raymond, Kenneth N.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Glenn T Seaborg Ctr, Berkeley, CA 94720 USA.
[Raymond, Kenneth N.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
RP Abergel, RJ (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Glenn T Seaborg Ctr, 1 Cyclotron Rd,MS 70A-1150, Berkeley, CA 94720 USA.
EM rjabergel@lbl.gov
FU NIAID NIH HHS [1RC2AI087604-01]; NIDDK NIH HHS [DK057814]
NR 27
TC 14
Z9 14
U1 2
U2 13
PU INFORMA HEALTHCARE
PI LONDON
PA TELEPHONE HOUSE, 69-77 PAUL STREET, LONDON EC2A 4LQ, ENGLAND
SN 0363-0269
J9 HEMOGLOBIN
JI Hemoglobin
PY 2011
VL 35
IS 3
BP 276
EP 290
DI 10.3109/03630269.2011.560771
PG 15
WC Biochemistry & Molecular Biology; Hematology
SC Biochemistry & Molecular Biology; Hematology
GA 766PJ
UT WOS:000290797500011
PM 21599440
ER
PT S
AU Bower, W
AF Bower, Ward
BE VanSant, K
Sherif, RA
TI Solar Energy Grid Integration Systems (SEGIS) Adding functionality while
maintaining reliability and economics
SO HIGH AND LOW CONCENTRATOR SYSTEMS FOR SOLAR ELECTRIC APPLICATIONS VI
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on High and Low Concentrator Systems for Solar Electric
Applications VI
CY AUG 22-24, 2011
CL San Diego, CA
SP SPIE
DE SEGIS; inverter; PV systems; smart grid; interconnect; VAr support;
communications; energy management
AB An overview of the activities and progress made during the US DOE Solar Energy Grid Integration Systems (SEGIS) solicitation, while maintaining reliability and economics is provided. The SEGIS R&D opened pathways for interconnecting PV systems to intelligent utility grids and micro-grids of the future. In addition to new capabilities are "value added" features. The new hardware designs resulted in smaller, less material-intensive products that are being viewed by utilities as enabling dispatchable generation and not just unpredictable negative loads. The technical solutions enable "advanced integrated system" concepts and "smart grid" processes to move forward in a faster and focused manner. The advanced integrated inverters/controllers can now incorporate energy management functionality, intelligent electrical grid support features and a multiplicity of communication technologies. Portals for energy flow and two-way communications have been implemented. SEGIS hardware was developed for the utility grid of today, which was designed for one-way power flow, for intermediate grid scenarios, AND for the grid of tomorrow, which will seamlessly accommodate managed two-way power flows as required by large-scale deployment of solar and other distributed generation. The SEGIS hardware and control developed for today meets existing standards and codes AND provides for future connections to a "smart grid" mode that enables utility control and optimized performance.
C1 Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Bower, W (reprint author), Sandia Natl Labs, MS0734, Albuquerque, NM 87185 USA.
EM wibower@sandia.gov
NR 9
TC 0
Z9 0
U1 1
U2 4
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-718-6
J9 PROC SPIE
PY 2011
VL 8108
AR 811202
DI 10.1117/12.915598
PG 6
WC Engineering, Electrical & Electronic; Optics
SC Engineering; Optics
GA BXB37
UT WOS:000295582300001
ER
PT B
AU Hau-Riege, SP
AF Hau-Riege, Stefan P.
BA HauRiege, SP
BF HauRiege, SP
TI Introduction
SO HIGH-INTENSITY X-RAYS - INTERACTION WITH MATTER: PROCESSES IN PLASMAS,
CLUSTERS, MOLECULES, AND SOLIDS
LA English
DT Editorial Material; Book Chapter
ID X-RAY LASER; SCATTERING; ATTENUATION; TABULATION; Z=1-92
C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Hau-Riege, SP (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM hauriege1@llnl.gov
NR 38
TC 0
Z9 0
U1 0
U2 1
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
BN 978-3-527-63638-9; 978-3-527-40947-1
PY 2011
BP 1
EP 27
D2 10.1002/9783527636365
PG 27
WC Physics, Applied; Physics, Fluids & Plasmas; Physics, Particles & Fields
SC Physics
GA BA9YX
UT WOS:000339992700002
ER
PT B
AU Hau-Riege, SP
AF Hau-Riege, Stefan P.
BA HauRiege, SP
BF HauRiege, SP
TI Preface
SO HIGH-INTENSITY X-RAYS - INTERACTION WITH MATTER: PROCESSES IN PLASMAS,
CLUSTERS, MOLECULES, AND SOLIDS
LA English
DT Editorial Material; Book Chapter
C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Hau-Riege, SP (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM hauriege1@llnl.gov
NR 0
TC 0
Z9 0
U1 0
U2 0
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
BN 978-3-527-63638-9; 978-3-527-40947-1
PY 2011
BP XIII
EP XV
D2 10.1002/9783527636365
PG 3
WC Physics, Applied; Physics, Fluids & Plasmas; Physics, Particles & Fields
SC Physics
GA BA9YX
UT WOS:000339992700001
ER
PT B
AU Hau-Riege, SP
AF Hau-Riege, Stefan P.
BA HauRiege, SP
BF HauRiege, SP
TI Atomic Physics
SO HIGH-INTENSITY X-RAYS - INTERACTION WITH MATTER: PROCESSES IN PLASMAS,
CLUSTERS, MOLECULES, AND SOLIDS
LA English
DT Article; Book Chapter
ID WAVE MECHANICS; IONIZATION; ELECTRON
C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Hau-Riege, SP (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM hauriege1@llnl.gov
NR 18
TC 0
Z9 0
U1 0
U2 0
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
BN 978-3-527-63638-9; 978-3-527-40947-1
PY 2011
BP 29
EP 60
D2 10.1002/9783527636365
PG 32
WC Physics, Applied; Physics, Fluids & Plasmas; Physics, Particles & Fields
SC Physics
GA BA9YX
UT WOS:000339992700003
ER
PT B
AU Hau-Riege, SP
AF Hau-Riege, Stefan P.
BA HauRiege, SP
BF HauRiege, SP
TI Scattering of X-Ray Radiation
SO HIGH-INTENSITY X-RAYS - INTERACTION WITH MATTER: PROCESSES IN PLASMAS,
CLUSTERS, MOLECULES, AND SOLIDS
LA English
DT Article; Book Chapter
ID REFLECTION; ELECTRONS; ATOMS
C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Hau-Riege, SP (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM hauriege1@llnl.gov
NR 25
TC 0
Z9 0
U1 0
U2 1
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
BN 978-3-527-63638-9; 978-3-527-40947-1
PY 2011
BP 61
EP 91
D2 10.1002/9783527636365
PG 31
WC Physics, Applied; Physics, Fluids & Plasmas; Physics, Particles & Fields
SC Physics
GA BA9YX
UT WOS:000339992700004
ER
PT B
AU Hau-Riege, SP
AF Hau-Riege, Stefan P.
BA HauRiege, SP
BF HauRiege, SP
TI Electromagnetic Wave Propagation
SO HIGH-INTENSITY X-RAYS - INTERACTION WITH MATTER: PROCESSES IN PLASMAS,
CLUSTERS, MOLECULES, AND SOLIDS
LA English
DT Article; Book Chapter
ID INTERFACIAL ROUGHNESS; REFLECTION; DISPERSION; SCATTERING
C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Hau-Riege, SP (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM hauriege1@llnl.gov
NR 19
TC 0
Z9 0
U1 0
U2 0
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
BN 978-3-527-63638-9; 978-3-527-40947-1
PY 2011
BP 93
EP 115
D2 10.1002/9783527636365
PG 23
WC Physics, Applied; Physics, Fluids & Plasmas; Physics, Particles & Fields
SC Physics
GA BA9YX
UT WOS:000339992700005
ER
PT B
AU Hau-Riege, SP
AF Hau-Riege, Stefan P.
BA HauRiege, SP
BF HauRiege, SP
TI Electron Dynamics
SO HIGH-INTENSITY X-RAYS - INTERACTION WITH MATTER: PROCESSES IN PLASMAS,
CLUSTERS, MOLECULES, AND SOLIDS
LA English
DT Article; Book Chapter
ID MEAN FREE PATHS; MODEL; DIAMOND; GAS
C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Hau-Riege, SP (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM hauriege1@llnl.gov
NR 28
TC 0
Z9 0
U1 0
U2 0
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
BN 978-3-527-63638-9; 978-3-527-40947-1
PY 2011
BP 117
EP 139
D2 10.1002/9783527636365
PG 23
WC Physics, Applied; Physics, Fluids & Plasmas; Physics, Particles & Fields
SC Physics
GA BA9YX
UT WOS:000339992700006
ER
PT B
AU Hau-Riege, SP
AF Hau-Riege, Stefan P.
BA HauRiege, SP
BF HauRiege, SP
TI Short X-Ray Pulses
SO HIGH-INTENSITY X-RAYS - INTERACTION WITH MATTER: PROCESSES IN PLASMAS,
CLUSTERS, MOLECULES, AND SOLIDS
LA English
DT Article; Book Chapter
ID FREE-ELECTRON LASER; AMPLIFIED SPONTANEOUS EMISSION; COHERENT-LIGHT
SOURCE; HARMONIC-GENERATION; HIGH-GAIN; RADIATION; FIELD; COMPRESSION;
DIFFRACTION; STATES
C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Hau-Riege, SP (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM hauriege1@llnl.gov
NR 59
TC 0
Z9 0
U1 0
U2 0
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
BN 978-3-527-63638-9; 978-3-527-40947-1
PY 2011
BP 141
EP 167
D2 10.1002/9783527636365
PG 27
WC Physics, Applied; Physics, Fluids & Plasmas; Physics, Particles & Fields
SC Physics
GA BA9YX
UT WOS:000339992700007
ER
PT B
AU Hau-Riege, SP
AF Hau-Riege, Stefan P.
BA HauRiege, SP
BF HauRiege, SP
TI High-Intensity Effects in the X-Ray Regime
SO HIGH-INTENSITY X-RAYS - INTERACTION WITH MATTER: PROCESSES IN PLASMAS,
CLUSTERS, MOLECULES, AND SOLIDS
LA English
DT Article; Book Chapter
ID PARAMETRIC CONVERSION; LASER FIELDS; ATOMS; ELECTRON; STABILIZATION;
PHOTOIONIZATION; IONIZATION; RADIATION; VACUUM; PLASMA
C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Hau-Riege, SP (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM hauriege1@llnl.gov
NR 47
TC 0
Z9 0
U1 0
U2 0
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
BN 978-3-527-63638-9; 978-3-527-40947-1
PY 2011
BP 169
EP 189
D2 10.1002/9783527636365
PG 21
WC Physics, Applied; Physics, Fluids & Plasmas; Physics, Particles & Fields
SC Physics
GA BA9YX
UT WOS:000339992700008
ER
PT B
AU Hau-Riege, SP
AF Hau-Riege, Stefan P.
BA HauRiege, SP
BF HauRiege, SP
TI Dynamics of X-Ray-Irradiated Materials
SO HIGH-INTENSITY X-RAYS - INTERACTION WITH MATTER: PROCESSES IN PLASMAS,
CLUSTERS, MOLECULES, AND SOLIDS
LA English
DT Article; Book Chapter
ID RADIATION-DAMAGE; DESIGN; TECHNOLOGIES; LITHOGRAPHY
C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Hau-Riege, SP (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM hauriege1@llnl.gov
NR 36
TC 0
Z9 0
U1 0
U2 0
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
BN 978-3-527-63638-9; 978-3-527-40947-1
PY 2011
BP 191
EP 214
D2 10.1002/9783527636365
PG 24
WC Physics, Applied; Physics, Fluids & Plasmas; Physics, Particles & Fields
SC Physics
GA BA9YX
UT WOS:000339992700009
ER
PT B
AU Hau-Riege, SP
AF Hau-Riege, Stefan P.
BA HauRiege, SP
BF HauRiege, SP
TI Simulation of X-Ray-Matter Interaction
SO HIGH-INTENSITY X-RAYS - INTERACTION WITH MATTER: PROCESSES IN PLASMAS,
CLUSTERS, MOLECULES, AND SOLIDS
LA English
DT Article; Book Chapter
ID INITIO MOLECULAR-DYNAMICS; DENSITY-FUNCTIONAL THEORY; MONTE-CARLO;
IONIZATION; ALGORITHM; EQUATIONS; ELECTRONS; RADIATION; ABLATION;
PLASMAS
C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Hau-Riege, SP (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM hauriege1@llnl.gov
NR 61
TC 0
Z9 0
U1 0
U2 0
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
BN 978-3-527-63638-9; 978-3-527-40947-1
PY 2011
BP 215
EP 237
D2 10.1002/9783527636365
PG 23
WC Physics, Applied; Physics, Fluids & Plasmas; Physics, Particles & Fields
SC Physics
GA BA9YX
UT WOS:000339992700010
ER
PT B
AU Hau-Riege, SP
AF Hau-Riege, Stefan P.
BA HauRiege, SP
BF HauRiege, SP
TI Examples of X-Ray-Matter Interaction
SO HIGH-INTENSITY X-RAYS - INTERACTION WITH MATTER: PROCESSES IN PLASMAS,
CLUSTERS, MOLECULES, AND SOLIDS
LA English
DT Article; Book Chapter
ID THOMSON SCATTERING; ELECTROSPRAY-IONIZATION; SINGLE PARTICLES; LOW
HYDRATION; DIFFRACTION; LASER; PLASMAS; CLUSTER; PULSES; PHASE
C1 Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Hau-Riege, SP (reprint author), Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
EM hauriege1@llnl.gov
NR 83
TC 0
Z9 0
U1 0
U2 0
PU WILEY-V C H VERLAG GMBH
PI WEINHEIM
PA PAPPELALLEE 3, W-69469 WEINHEIM, GERMANY
BN 978-3-527-63638-9; 978-3-527-40947-1
PY 2011
BP 239
EP 261
D2 10.1002/9783527636365
PG 23
WC Physics, Applied; Physics, Fluids & Plasmas; Physics, Particles & Fields
SC Physics
GA BA9YX
UT WOS:000339992700011
ER
PT S
AU Awwal, AAS
Leach, R
Brunton, G
Tse, E
Matone, J
Heebner, J
AF Awwal, Abdul A. S.
Leach, Richard
Brunton, Gordon
Tse, Eddy
Matone, Joann
Heebner, John
BE Awwal, AAS
Dunne, AM
Azechi, H
Kruschwitz, BE
TI Image processing and control of a programmable spatial light modulator
SO HIGH POWER LASERS FOR FUSION RESEARCH
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on High Power Lasers for Fusion Research
CY JAN 25-27, 2011
CL San Francisco, CA
SP SPIE, Lawrence Livermore Natl Lab, Natl Ignit Facil
DE pattern recognition; line detection; laser alignment; spatial light
modulator
ID NATIONAL-IGNITION-FACILITY; AUTOMATIC ALIGNMENT
AB The heart of the National Ignition Facility is a megajoule-class laser system consisting of 192 beams used to drive inertial confinement fusion reactions. A recently installed system of programmable, liquid-crystal-based spatial light modulators adds the capability of arbitrarily shaping the spatial beam profiles in order to enhance operational flexibility. Its primary intended use is for introducing "blocker" obscurations to shadow isolated flaws on downstream optical elements. To optimize the system, both the position and shape of the obscurations must be carefully verified prior to high-fluence operations. An automatic alignment algorithm is used to perform detection and estimation of the imposed blocker centroid positions compared to their intended locations. Furthermore, in order to minimize the spatially-varying nonlinear response of the device, a calibration of the local magnification is performed at multiple sub-image locations. In this paper, we describe the control and associated image processing of this device that helps to enhance the performance of the overall system.
C1 [Awwal, Abdul A. S.; Leach, Richard; Brunton, Gordon; Tse, Eddy; Matone, Joann; Heebner, John] Lawrence Livermore Natl Lab, Natl Ignit Facil, Livermore, CA 94551 USA.
RP Awwal, AAS (reprint author), Lawrence Livermore Natl Lab, Natl Ignit Facil, Livermore, CA 94551 USA.
EM awwal1@llnl.gov; awwal1@llnl.gov
RI Heebner, John/C-2411-2009
NR 11
TC 0
Z9 0
U1 0
U2 4
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-8453-6
J9 PROC SPIE
PY 2011
VL 7916
AR 79160Q
DI 10.1117/12.876399
PG 11
WC Optics; Physics, Applied
SC Optics; Physics
GA BYA96
UT WOS:000297798700018
ER
PT S
AU Barat, K
AF Barat, K.
BE Awwal, AAS
Dunne, AM
Azechi, H
Kruschwitz, BE
TI Laser Safety at High Profile Projects
SO HIGH POWER LASERS FOR FUSION RESEARCH
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on High Power Lasers for Fusion Research
CY JAN 25-27, 2011
CL San Francisco, CA
SP SPIE, Lawrence Livermore Natl Lab, Natl Ignit Facil
DE Laser Safety; Safety culture; High profile facility
AB Laser Safety at high profile laser facilities tends to be more controlled than in the standard laser lab found at a research institution. The reason for this is the potential consequences for such facilities from incidents. This ranges from construction accidents, to equipment damage to personnel injuries. No laser user wants to sustain a laser eye injury. Unfortunately, many laser users, most commonly experienced researchers and inexperienced graduate students, do receive laser eye injuries during their careers.. More unforgiveable is the general acceptance of this scenario, as part of the research & development experience. How do senior researchers, safety personnel and management stop this trend? The answer lies in a cultural change that involves institutional training, user mentoring, hazard awareness by users and administrative controls. None of these would inhibit research activities. As a matter of fact, proper implementation of these controls would increase research productivity. This presentation will review and explain the steps needed to steer an institution, research division, group or individual lab towards a culture that should nearly eliminate laser accidents. As well as how high profile facilities try to avoid laser injuries. Using the definition of high profile facility as one who's funding in the million to billions of dollars or Euros and derives form government funding.
C1 Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Barat, K (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, 1 Cyclotron Rd,MS 71-259, Berkeley, CA 94720 USA.
NR 7
TC 0
Z9 0
U1 1
U2 3
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-8453-6
J9 PROC SPIE
PY 2011
VL 7916
AR 791606
DI 10.1117/12.874088
PG 6
WC Optics; Physics, Applied
SC Optics; Physics
GA BYA96
UT WOS:000297798700006
ER
PT S
AU Bayramian, A
Deri, B
Fulkerson, S
Lanning, R
Telford, S
AF Bayramian, A.
Deri, B.
Fulkerson, S.
Lanning, R.
Telford, S.
BE Awwal, AAS
Dunne, AM
Azechi, H
Kruschwitz, BE
TI Compact, efficient, low-cost diode power conditioning for Laser Inertial
Fusion Energy
SO HIGH POWER LASERS FOR FUSION RESEARCH
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on High Power Lasers for Fusion Research
CY JAN 25-27, 2011
CL San Francisco, CA
SP SPIE, Lawrence Livermore Natl Lab, Natl Ignit Facil
DE diode power conditioning; diode pulsers; diode pumped solid state lasers
AB This year fusion ignition and gain are expected on the National Ignition Facility at LLNL. The pathway to inertial fusion energy begins by addressing high average power operation of the diode pumped solid state laser system, target chamber, target injection and tracking, target mass production, blanket, and the balance of plant. To meet efficiency requirements, the power conditioning for the laser diodes must be compact and efficient. A diode pulser has been designed to meet these specifications, operate efficiently, and provide a means to minimizing cost and size for the estimated 4.4 million pulsers needed for a power plant.
C1 [Bayramian, A.; Deri, B.; Fulkerson, S.; Lanning, R.; Telford, S.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Bayramian, A (reprint author), Lawrence Livermore Natl Lab, 7000 E Ave, Livermore, CA 94550 USA.
EM bayramian1@llnl.gov
NR 9
TC 1
Z9 1
U1 2
U2 3
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-8453-6
J9 PROC SPIE
PY 2011
VL 7916
AR 79160B
DI 10.1117/12.878937
PG 5
WC Optics; Physics, Applied
SC Optics; Physics
GA BYA96
UT WOS:000297798700008
ER
PT S
AU Brown, CG
Adcock, AB
Azevedo, SG
Liebman, JA
Bond, EJ
AF Brown, Charles G., Jr.
Adcock, Aaron B.
Azevedo, Stephen G.
Liebman, Judith A.
Bond, Essex J.
BE Awwal, AAS
Dunne, AM
Azechi, H
Kruschwitz, BE
TI Adaptation of a cubic smoothing spline algortihm for multi-channel data
stitching at the National Ignition Facility
SO HIGH POWER LASERS FOR FUSION RESEARCH
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on High Power Lasers for Fusion Research
CY JAN 25-27, 2011
CL San Francisco, CA
SP SPIE, Lawrence Livermore Natl Lab, Natl Ignit Facil
DE Cubic spline; smoothing
ID NOISY DATA
AB Some diagnostics at the National Ignition Facility (NIF), including the Gamma Reaction History (GRH) diagnostic, require multiple channels of data to achieve the required dynamic range. These channels need to be stitched together into a single time series, and they may have non-uniform and redundant time samples. We chose to apply the popular cubic smoothing spline technique to our stitching problem because we needed a general non-parametric method. We adapted one of the algorithms in the literature, by Hutchinson and deHoog, to our needs. The modified algorithm and the resulting code perform a cubic smoothing spline fit to multiple data channels with redundant time samples and missing data points. The data channels can have different, time-varying, zero-mean white noise characteristics. The method we employ automatically determines an optimal smoothing level by minimizing the Generalized Cross Validation (GCV) score. In order to automatically validate the smoothing level selection, the Weighted Sum-Squared Residual (WSSR) and zero-mean tests are performed on the residuals. Further, confidence intervals, both analytical and Monte Carlo, are also calculated. In this paper, we describe the derivation of our cubic smoothing spline algorithm. We outline the algorithm and test it with simulated and experimental data.
C1 [Brown, Charles G., Jr.; Adcock, Aaron B.; Azevedo, Stephen G.; Liebman, Judith A.; Bond, Essex J.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Brown, CG (reprint author), Lawrence Livermore Natl Lab, 7000 E Ave, Livermore, CA 94550 USA.
EM brown207@llnl.gov
NR 14
TC 0
Z9 0
U1 2
U2 3
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-8453-6
J9 PROC SPIE
PY 2011
VL 7916
AR 79160P
DI 10.1117/12.878918
PG 8
WC Optics; Physics, Applied
SC Optics; Physics
GA BYA96
UT WOS:000297798700017
ER
PT S
AU Bullington, AL
Sutton, SB
Bayramian, AJ
Caird, JA
Deri, RJ
Erlandson, AC
Henesian, MA
AF Bullington, Amber L.
Sutton, Steven B.
Bayramian, Andy J.
Caird, John A.
Deri, Robert J.
Erlandson, Al C.
Henesian, Mark A.
BE Awwal, AAS
Dunne, AM
Azechi, H
Kruschwitz, BE
TI Thermal birefringence and depolarization compensation in glass-based
high-average-power laser systems
SO HIGH POWER LASERS FOR FUSION RESEARCH
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on High Power Lasers for Fusion Research
CY JAN 25-27, 2011
CL San Francisco, CA
SP SPIE, Lawrence Livermore Natl Lab, Natl Ignit Facil
DE thermal birefringence; depolarization; high-average-power lasers
AB Thermally induced birefringence can degrade the beam quality in high-average-power laser systems with doped-glass substrates. In this work, we compare glass-laser slab amplifiers at either Brewster's angle or normal incidence and discuss trade-offs between both designs. Numerical simulations show the impact of thermally induced depolarization in both amplifier systems. A non-uniform temperature profile and the resultant mechanical stress leads to depolarization that worsens as the beam propagates through the slab-amplifier chain. Reflective losses for depolarized light at Brewster's angle cannot be compensated and degrade beam quality. This motivates the selection of normally incident slab amplifiers, which facilitates birefringence compensation.
Tolerances for birefringence compensation of two matched normal-incidence glass-slab amplifiers balanced by a quartz rotator are also investigated. Imbalances in thermal load, relative amplifier position and beam magnification between amplifiers show the highest depolarization sensitivity and establish limits for manufacturing tolerances and amplifier design.
C1 [Bullington, Amber L.; Sutton, Steven B.; Bayramian, Andy J.; Caird, John A.; Deri, Robert J.; Erlandson, Al C.; Henesian, Mark A.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Bullington, AL (reprint author), Lawrence Livermore Natl Lab, 7000 E Ave, Livermore, CA 94550 USA.
EM bullington1@llnl.gov
NR 10
TC 0
Z9 0
U1 3
U2 10
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-8453-6
J9 PROC SPIE
PY 2011
VL 7916
AR 79160V
DI 10.1117/12.876531
PG 9
WC Optics; Physics, Applied
SC Optics; Physics
GA BYA96
UT WOS:000297798700020
ER
PT S
AU Heebner, J
Borden, M
Miller, P
Hunter, S
Christensen, K
Scanlan, M
Haynam, C
Wegner, P
Hermann, M
Brunton, G
Tse, E
Awwal, A
Wong, N
Seppala, L
Franks, M
Marley, E
Williams, K
Budge, T
Henesian, M
Stolz, C
Suratwala, T
Monticelli, M
Walmer, D
Dixit, S
Widmayer, C
Wolfe, J
Bude, J
McCarty, K
DiNicola, JM
AF Heebner, John
Borden, Michael
Miller, Phil
Hunter, Steve
Christensen, Kim
Scanlan, Michael
Haynam, Chris
Wegner, Paul
Hermann, Mark
Brunton, Gordon
Tse, Eddy
Awwal, Abdul
Wong, Nan
Seppala, Lynn
Franks, Mark
Marley, Ed
Williams, Kevin
Budge, Tracy
Henesian, Mark
Stolz, Christopher
Suratwala, Tayyab
Monticelli, Marcus
Walmer, Dan
Dixit, Sham
Widmayer, Clay
Wolfe, Justin
Bude, Jeff
McCarty, Kelly
DiNicola, Jean-Michel
BE Awwal, AAS
Dunne, AM
Azechi, H
Kruschwitz, BE
TI Programmable Beam Spatial Shaping System for the National Ignition
Facility
SO HIGH POWER LASERS FOR FUSION RESEARCH
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on High Power Lasers for Fusion Research
CY JAN 25-27, 2011
CL San Francisco, CA
SP SPIE, Lawrence Livermore Natl Lab, Natl Ignit Facil
DE spatial light modulators; liquid crystal; bismuth silicon oxide; beam
shaping; high fluence; HEDP
AB A system of customized spatial light modulators has been installed onto the front end of the laser system at the National Ignition Facility (NIF). The devices are capable of shaping the beam profile at a low-fluence relay plane upstream of the amplifier chain. Their primary function is to introduce "blocker" obscurations at programmed locations within the beam profile. These obscurations are positioned to shadow small, isolated flaws on downstream optical components that might otherwise limit the system operating energy. The modulators were designed to enable a drop-in retrofit of each of the 48 existing Pre Amplifier Modules (PAMs) without compromising their original performance specifications. This was accomplished by use of transmissive Optically Addressable Light Valves (OALV) based on a Bismuth Silicon Oxide photoconductive layer in series with a twisted nematic liquid crystal (LC) layer. These Programmable Spatial Shaper packages in combination with a flaw inspection system and optic registration strategy have provided a robust approach for extending the operational lifetime of high fluence laser optics on NIF.
C1 [Heebner, John; Borden, Michael; Miller, Phil; Hunter, Steve; Christensen, Kim; Scanlan, Michael; Haynam, Chris; Wegner, Paul; Hermann, Mark; Brunton, Gordon; Tse, Eddy; Awwal, Abdul; Wong, Nan; Seppala, Lynn; Franks, Mark; Marley, Ed; Williams, Kevin; Budge, Tracy; Henesian, Mark; Stolz, Christopher; Suratwala, Tayyab; Monticelli, Marcus; Walmer, Dan; Dixit, Sham; Widmayer, Clay; Wolfe, Justin; Bude, Jeff; McCarty, Kelly; DiNicola, Jean-Michel] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Heebner, J (reprint author), Lawrence Livermore Natl Lab, 7000 E Ave, Livermore, CA 94551 USA.
RI Heebner, John/C-2411-2009; Suratwala, Tayyab/A-9952-2013
OI Suratwala, Tayyab/0000-0001-9086-1039
NR 7
TC 6
Z9 6
U1 1
U2 11
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-8453-6
J9 PROC SPIE
PY 2011
VL 7916
AR 79160H
DI 10.1117/12.875794
PG 6
WC Optics; Physics, Applied
SC Optics; Physics
GA BYA96
UT WOS:000297798700012
ER
PT S
AU Kane, JO
Rhodes, MA
Loosmore, GA
Latkowski, JF
Koning, JM
Patel, MV
Scott, HA
Zimmerman, GB
Demuth, JA
Moses, GA
AF Kane, J. O.
Rhodes, M. A.
Loosmore, G. A.
Latkowski, J. F.
Koning, J. M.
Patel, M. V.
Scott, H. A.
Zimmerman, G. B.
Demuth, J. A.
Moses, G. A.
BE Awwal, AAS
Dunne, AM
Azechi, H
Kruschwitz, BE
TI Modeling of the LIFE minichamber Xe theta pinch experiment
SO HIGH POWER LASERS FOR FUSION RESEARCH
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on High Power Lasers for Fusion Research
CY JAN 25-27, 2011
CL San Francisco, CA
SP SPIE, Lawrence Livermore Natl Lab, Natl Ignit Facil
DE Fusion; Xe; atomic physics; theta pinch; MHD
AB The LIFE minichamber experiment will investigate cooling of the strongly radiating Xe buffer gas protecting the LIFE chamber wall. A theta pinch will inductively heat a few cc of Xe at ion density 2e16/cc to several eV. Thomson scattering will be used to determine electron temperature and ionization state. Modeled is being done using the magnetohydrodynamic code HYDRA with an external circuit model and inductive feedback from the plasma to the external circuit. Coil stresses are being assessed using the 3D MHD code ALE3D. A major challenge to the design is the paucity of opacity and conductivity data for Xe in the buffer gas regime. Results of the modeling will be presented.
C1 [Kane, J. O.; Rhodes, M. A.; Loosmore, G. A.; Latkowski, J. F.; Koning, J. M.; Patel, M. V.; Scott, H. A.; Zimmerman, G. B.; Demuth, J. A.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Kane, JO (reprint author), Lawrence Livermore Natl Lab, 7000 E Ave, Livermore, CA 94550 USA.
OI Patel, Mehul/0000-0002-0486-010X
NR 7
TC 0
Z9 0
U1 0
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-8453-6
J9 PROC SPIE
PY 2011
VL 7916
AR 791605
DI 10.1117/12.877264
PG 12
WC Optics; Physics, Applied
SC Optics; Physics
GA BYA96
UT WOS:000297798700005
ER
PT S
AU King, JJ
AF King, Jamie J.
BE Awwal, AAS
Dunne, AM
Azechi, H
Kruschwitz, BE
TI "Defense-in-Depth" Laser Safety and the National Ignition Facility
SO HIGH POWER LASERS FOR FUSION RESEARCH
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on High Power Lasers for Fusion Research
CY JAN 25-27, 2011
CL San Francisco, CA
SP SPIE, Lawrence Livermore Natl Lab, Natl Ignit Facil
AB The National Ignition Facility (NIF) is the largest and most energetic laser in the world contained in a complex the size of a football stadium. From the initial laser pulse, provided by telecommunication style infrared nanoJoule pulsed lasers, to the final 192 laser beams (1.8 Mega Joules total energy in the ultraviolet) converging on a target the size of a pencil eraser, laser safety is of paramount concern.
In addition to this, there are numerous high-powered (Class 3B and 4) diagnostic lasers in use that can potentially send their laser radiation travelling throughout the facility. With individual beam paths of up to 1500 meters and a workforce of more than one thousand, the potential for exposure is significant. Simple laser safety practices utilized in typical laser labs just don't apply. To mitigate these hazards, NIF incorporates a multi layered approach to laser safety or "Defense in Depth."
C1 Lawrence Livermore Natl Lab, Natl Ignit Facil, CLSO, Livermore, CA 94551 USA.
RP King, JJ (reprint author), Lawrence Livermore Natl Lab, Natl Ignit Facil, CLSO, POB 808, Livermore, CA 94551 USA.
NR 0
TC 1
Z9 1
U1 0
U2 0
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-8453-6
J9 PROC SPIE
PY 2011
VL 7916
AR 791617
DI 10.1117/12.879274
PG 6
WC Optics; Physics, Applied
SC Optics; Physics
GA BYA96
UT WOS:000297798700027
ER
PT S
AU Leach, RR
Conder, A
Edwards, O
Kroll, J
Kozioziemski, B
Mapoles, E
McGuigan, D
Wilhelmsen, K
AF Leach, Richard R., Jr.
Conder, Alan
Edwards, Oliver
Kroll, Jeremy
Kozioziemski, Bernard
Mapoles, Evan
McGuigan, Dave
Wilhelmsen, Karl
BE Awwal, AAS
Dunne, AM
Azechi, H
Kruschwitz, BE
TI Hohlraum Target Alignment from X-ray Detector Images using Starburst
Design Patterns
SO HIGH POWER LASERS FOR FUSION RESEARCH
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on High Power Lasers for Fusion Research
CY JAN 25-27, 2011
CL San Francisco, CA
SP SPIE, Lawrence Livermore Natl Lab, Natl Ignit Facil
DE NIF; internal confinement fusion; hohlraum; pointing alignment;
starburst pattern; ablation; x-ray source and detector; frozen fuel
layer
ID INERTIAL CONFINEMENT FUSION; EDGE-DETECTION
AB National Ignition Facility (NIF) is a high-energy laser facility comprised of 192 laser beams focused with enough power and precision on a hydrogen-filled spherical, cryogenic target to initiate a fusion reaction. The target container, or hohlraum, must be accurately aligned to an x-ray imaging system to allow careful monitoring of the frozen fuel layer in the target. To achieve alignment, x-ray images are acquired through starburst-shaped windows cut into opposite sides of the hohlraum. When the hohlraum is in alignment, the starburst pattern pairs match nearly exactly and allow a clear view of the ice layer formation on the edge of the target capsule. During the alignment process, x-ray image analysis is applied to determine the direction and magnitude of adjustment required. X-ray detector and source are moved in concert during the alignment process. The automated pointing alignment system described here is both accurate and efficient. In this paper, we describe the control and associated image processing that enables automation of the starburst pointing alignment.
C1 [Leach, Richard R., Jr.; Conder, Alan; Edwards, Oliver; Kroll, Jeremy; Kozioziemski, Bernard; Mapoles, Evan; McGuigan, Dave; Wilhelmsen, Karl] Lawrence Livermore Natl Lab, Natl Ignit Facil, Livermore, CA 94551 USA.
RP Leach, RR (reprint author), Lawrence Livermore Natl Lab, Natl Ignit Facil, Livermore, CA 94551 USA.
EM leach1@llnl.gov
NR 14
TC 1
Z9 1
U1 0
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-8453-6
J9 PROC SPIE
PY 2011
VL 7916
AR 791616
DI 10.1117/12.878790
PG 11
WC Optics; Physics, Applied
SC Optics; Physics
GA BYA96
UT WOS:000297798700026
ER
PT S
AU Rhodes, MA
Kane, J
Loosmore, G
DeMuth, J
Latkowski, J
AF Rhodes, M. A.
Kane, J.
Loosmore, G.
DeMuth, J.
Latkowski, J.
BE Awwal, AAS
Dunne, AM
Azechi, H
Kruschwitz, BE
TI Experimental Study of High-Z Gas Buffers in Gas-Filled ICF Engines
SO HIGH POWER LASERS FOR FUSION RESEARCH
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on High Power Lasers for Fusion Research
CY JAN 25-27, 2011
CL San Francisco, CA
SP SPIE, Lawrence Livermore Natl Lab, Natl Ignit Facil
DE Xenon plasma; inertial fusion energy; theta pinch; first wall protection
AB ICF power plants, such as the LIFE scheme at LLNL, may employ a high-Z, target-chamber gas-fill to moderate the first-wall heat-pulse due to x-rays and energetic ions released during target detonation.
To reduce the uncertainties of cooling and beam/target propagation through such gas-filled chambers, we present a pulsed plasma source producing 2-5 eV plasma comprised of high-Z gases. We use a 5-kJ, 100-ns theta discharge for high peak plasma-heating-power, an electrode-less discharge for minimizing impurities, and unobstructed axial access for diagnostics and beam (and/or target) propagation studies. We will report on the plasma source requirements, design process, and the system design.
C1 [Rhodes, M. A.; Kane, J.; Loosmore, G.; DeMuth, J.; Latkowski, J.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Rhodes, MA (reprint author), Lawrence Livermore Natl Lab, POB 808 L 460, Livermore, CA 94550 USA.
NR 2
TC 0
Z9 0
U1 0
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-8453-6
J9 PROC SPIE
PY 2011
VL 7916
AR 791604
DI 10.1117/12.877185
PG 7
WC Optics; Physics, Applied
SC Optics; Physics
GA BYA96
UT WOS:000297798700004
ER
PT S
AU Wilhelmsen, K
Awwal, AAS
Kalantar, D
Leach, R
Lowe-Webb, R
McGuigan, D
Kamm, VM
AF Wilhelmsen, Karl
Awwal, Abdul A. S.
Kalantar, Dan
Leach, Richard
Lowe-Webb, Roger
McGuigan, David
Kamm, Vicki Miller
BE Awwal, AAS
Dunne, AM
Azechi, H
Kruschwitz, BE
TI Recent advances in automatic alignment system for the National Ignition
Facility
SO HIGH POWER LASERS FOR FUSION RESEARCH
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on High Power Lasers for Fusion Research
CY JAN 25-27, 2011
CL San Francisco, CA
SP SPIE, Lawrence Livermore Natl Lab, Natl Ignit Facil
DE control systems; laser alignment; National Ignition Facility; automatic
alignment
AB The automatic alignment system for the National Ignition Facility (NIF) is a large-scale parallel system that directs all 192 laser beams along the 300-m optical path to a 50-micron focus at target chamber in less than 50 minutes. The system automatically commands 9,000 stepping motors to adjust mirrors and other optics based upon images acquired from high-resolution digital cameras viewing beams at various locations. Forty-five control loops per beamline request image processing services running on a LINUX cluster to analyze these images of the beams and references, and automatically steer the beams toward the target. This paper discusses the upgrades to the NIF automatic alignment system to handle new alignment needs and evolving requirements as related to various types of experiments performed. As NIF becomes a continuously-operated system and more experiments are performed, performance monitoring is increasingly important for maintenance and commissioning work. Data, collected during operations, is analyzed for tuning of the laser and targeting maintenance work. Handling evolving alignment and maintenance needs is expected for the planned 30-year operational life of NIF.
C1 [Wilhelmsen, Karl; Awwal, Abdul A. S.; Kalantar, Dan; Leach, Richard; Lowe-Webb, Roger; McGuigan, David; Kamm, Vicki Miller] Lawrence Livermore Natl Lab, Integrated Comp Control Syst, Natl Ignit Facil, Laser Sci Engn & Operat, Livermore, CA 94551 USA.
RP Wilhelmsen, K (reprint author), Lawrence Livermore Natl Lab, Integrated Comp Control Syst, Natl Ignit Facil, Laser Sci Engn & Operat, Livermore, CA 94551 USA.
EM wilhelmsen1@llnl.gov
NR 8
TC 0
Z9 0
U1 1
U2 6
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-8194-8453-6
J9 PROC SPIE
PY 2011
VL 7916
AR 79160O
DI 10.1117/12.878496
PG 10
WC Optics; Physics, Applied
SC Optics; Physics
GA BYA96
UT WOS:000297798700016
ER
PT J
AU Samudrala, GK
Tsoi, G
Stanishevsky, AV
Montgomery, JM
Vohra, YK
Weir, ST
AF Samudrala, Gopi K.
Tsoi, Georgiy
Stanishevsky, Andrei V.
Montgomery, Jeffrey M.
Vohra, Yogesh K.
Weir, Samuel T.
TI Conducting boron-doped single-crystal diamond films for high pressure
research
SO HIGH PRESSURE RESEARCH
LA English
DT Article
ID GROWTH
AB Epitaxial boron-doped diamond films were grown by microwave plasma chemical vapor deposition for application as heating elements in high pressure diamond anvil cell devices. To a mixture of hydrogen, methane and oxygen, diborane concentrations of 240-1200 parts per million were added to prepare five diamond thin-film samples. Surface morphology has been observed to change depending on the amount of diborane added to the feed gas mixture. Single-crystal diamond film with a lowest room temperature resistivity of 18m Omega cm was fabricated and temperature variation of resistivity was studied to a low temperature of 12 K. The observed minima in resistivity values with temperature for these samples have been attributed to a change in conduction mechanism from band conduction to hopping conduction. We also present a novel fabrication methodology for monocrystalline electrically conducting channels in diamond and present preliminary heating data with a boron-doped designer diamond anvil to 620K at ambient pressure.
C1 [Samudrala, Gopi K.; Tsoi, Georgiy; Stanishevsky, Andrei V.; Montgomery, Jeffrey M.; Vohra, Yogesh K.] Univ Alabama, Dept Phys, Birmingham, AL 35294 USA.
[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
FU National Nuclear Security Administration through US Department of Energy
(DOE) [DE-FG52-10NA29660]; Department of Education [P200A090143]
FX This research was sponsored by the National Nuclear Security
Administration under the Stewardship Science Academic Alliance program
through the US Department of Energy (DOE), Grant No. DE-FG52-10NA29660.
Jeffrey M. Montgomery acknowledges support from the Department of
Education, Grant No. P200A090143.
NR 19
TC 2
Z9 2
U1 0
U2 6
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0895-7959
J9 HIGH PRESSURE RES
JI High Pressure Res.
PY 2011
VL 31
IS 3
BP 388
EP 398
DI 10.1080/08957959.2011.603314
PG 11
WC Physics, Multidisciplinary
SC Physics
GA 881IB
UT WOS:000299475200003
ER
PT J
AU Yan, JY
Chen, B
Raju, S
Knight, J
Godwal, BK
AF Yan, Jinyuan
Chen, Bin
Raju, Selva
Knight, Jason
Godwal, B. K.
TI Investigation of phase transition of mercury decomposed from mercury
oxide up to 20GPa
SO HIGH PRESSURE RESEARCH
LA English
DT Article
DE X-ray diffraction; mercury; mercury oxide; phase transition; space group
ID CRYSTAL-STRUCTURE; HIGH-PRESSURE; DIAGRAM; GPA; HG
AB The high pressure behavior of mercury decomposed from mercury oxide up to 20.4 GPa was investigated using angular-dispersive X-ray diffraction. The results showed that liquid mercury solidified at 2.0 GPa and was resolved as alpha hexagonal, R-3m, a = 3.3743 +/- 0.0007 angstrom and c = 6.8199 +/- 0.0013 angstrom. When compressed up to 5.7 GPa, alpha mercury transformed into orthorhombic gamma phase directly, which is not the case of transforming from an alpha structure to a body-centered tetragonal structure (beta). The space group of orthorhombic gamma phase was interpreted successfully as Pmmn, with a = 2.7722 +/- 0.0010 angstrom, b = 4.0792 +/- 0.0028 angstrom and c = 6.8285 +/- 0.0029 angstrom at 8.9 GPa.
C1 [Yan, Jinyuan; Chen, Bin; Raju, Selva; Knight, Jason] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA.
[Yan, Jinyuan; Chen, Bin; Raju, Selva] Univ Calif Santa Cruz, Dept Earth & Planetary Sci, Santa Cruz, CA 95064 USA.
[Godwal, B. K.] Univ Calif Berkeley, Dept Earth & Planetary Sci, Berkeley, CA 94720 USA.
RP Yan, JY (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA.
EM jyan@lbl.gov
FU Office of Science, Office of Basic Energy Sciences, Materials Sciences
Division, of the US Department of Energy at Lawrence Berkeley National
Laboratory [DE-AC03-76SF00098]; University of California, Berkeley,
California.; COMPRES, the Consortium for Materials Properties Research
in Earth Sciences under NSF [EAR 06-49658]
FX The ALS 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-AC03-76SF00098 at Lawrence Berkeley
National Laboratory and University of California, Berkeley, California.
COMPRES, the Consortium for Materials Properties Research in Earth
Sciences, supported this project under NSF Cooperative Agreement EAR
06-49658 through funding of JY, BC and SVR as well as crucial beamline
equipment. We thank S. M. Clark and A. Christy for technical assistance.
NR 20
TC 3
Z9 3
U1 1
U2 4
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0895-7959
J9 HIGH PRESSURE RES
JI High Pressure Res.
PY 2011
VL 31
IS 4
BP 555
EP 559
DI 10.1080/08957959.2011.610317
PG 5
WC Physics, Multidisciplinary
SC Physics
GA 881IC
UT WOS:000299475400005
ER
PT J
AU Ni, PA
Bieniosek, FM
Waldron, WL
AF Ni, P. A.
Bieniosek, F. M.
Waldron, W. L.
TI Multi-channel optical pyrometer for sub-nanosecond temperature
measurements at NDCX-I/II
SO HIGH TEMPERATURES-HIGH PRESSURES
LA English
DT Article
DE Pyrometer; warm-dense-matter; temperature measurement
AB We present a detailed technical description of a fast multi-channel pyrometer designed for warm-dense-matter (WDM) experiments with intense heavy ion beams at the neutralized-drift-compression-experiment linear accelerator (NDCX-I/II) at Lawrence Berkeley National Laboratory (LBNL). The unique features of the described instrument are its sub-nanosecond temporal resolution (100 ps rise -time) and a broad range, 1,500 K - 12,000 K of measurable brightness temperatures in the visible and near-infrared regions of the spectrum. The working scheme, calibration procedure, experimental data obtained with the pyrometer and future applications are presented.
C1 [Ni, P. A.; Bieniosek, F. M.; Waldron, W. L.] Lawrence Berkeley Natl Lab, Berkeley, CA USA.
RP Ni, PA (reprint author), Lawrence Berkeley Natl Lab, Berkeley, CA USA.
EM pani@lbl.gov
FU U.S. Department of Energy [DE-AC02-05CH11231, DE-AC52-07NA27344]
FX This work was performed under auspices of the U.S. Department of Energy
under Contracts No. DE-AC02-05CH11231 and DE-AC52-07NA27344. The authors
would like to thank Dr. Dmitry Nikolaev from IPCP, Russia for critical
comments and consultations and Dr. Chris Weber for testing the pyrometer
in the laser experiment.
NR 8
TC 2
Z9 2
U1 2
U2 6
PU OLD CITY PUBLISHING INC
PI PHILADELPHIA
PA 628 NORTH 2ND ST, PHILADELPHIA, PA 19123 USA
SN 0018-1544
J9 HIGH TEMP-HIGH PRESS
JI High Temp.-High Press.
PY 2011
VL 40
IS 2
BP 151
EP 160
PG 10
WC Thermodynamics; Mechanics; Materials Science, Characterization & Testing
SC Thermodynamics; Mechanics; Materials Science
GA V27LJ
UT WOS:000208614400004
ER
PT B
AU Hochanadel, PW
Lienert, TJ
Martinez, JN
Martinez, RJ
Johnson, MQ
AF Hochanadel, P. W.
Lienert, T. J.
Martinez, J. N.
Martinez, R. J.
Johnson, M. Q.
BE Lippold, J
Bollinghaus, T
Cross, CE
TI Weld Solidification Cracking in 304 to 304L Stainless Steel
SO HOT CRACKING PHENOMENA IN WELDS III
LA English
DT Proceedings Paper
CT 3rd Workshop on Hot Cracking Phenomena Welds
CY MAR, 2010
CL Ohio State Univ, Columbus, OH
SP Ohio State Univ, Edison Weld Inst
HO Ohio State Univ
ID SUSCEPTIBILITY; METAL
C1 [Hochanadel, P. W.; Lienert, T. J.; Martinez, J. N.; Martinez, R. J.; Johnson, M. Q.] Los Alamos Natl Lab, Los Alamos, NM USA.
RP Hochanadel, PW (reprint author), Los Alamos Natl Lab, Los Alamos, NM USA.
EM phoch@lanl.gov; lienert@lanl.gov; mqj@lanl.gov
NR 26
TC 2
Z9 2
U1 0
U2 2
PU SPRINGER
PI NEW YORK
PA 233 SPRING STREET, NEW YORK, NY 10013, UNITED STATES
BN 978-3-642-16863-5
PY 2011
BP 145
EP 160
DI 10.1007/978-3-642-16864-2_9
PG 16
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BVN48
UT WOS:000291964400009
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Aluminum and Its Alloys
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Article; Book Chapter
ID DEFORMATION; METALS
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 53
TC 0
Z9 0
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP 1
EP 19
PG 19
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200002
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Hot Deformation and Processing of Aluminum Alloys Preface
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Editorial Material; Book Chapter
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP XIX
EP XIX
PG 1
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200001
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Metal Forming and Deformation Modes
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Article; Book Chapter
ID HOT-WORKING CHARACTERISTICS; COPPER SINGLE-CRYSTALS; DYNAMIC
RECRYSTALLIZATION; STAINLESS-STEEL; 316-STAINLESS STEEL;
ALUMINUM-ALLOYS; FLOW-STRESS; RECOVERY; TEMPERATURE; STATE
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 129
TC 0
Z9 0
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP 21
EP 51
PG 31
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200003
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Hot Work Testing Techniques
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Article; Book Chapter
ID HIGH-TEMPERATURE DEFORMATION; DYNAMIC RESTORATION MECHANISMS; THERMALLY
ACTIVATED PROCESS; CENTRED CUBIC METALS; HIGH STRAIN RATES;
ELEVATED-TEMPERATURES; ALUMINUM-ALLOYS; MICROSTRUCTURAL EVOLUTION;
STAINLESS-STEEL; THERMOMECHANICAL PROCESSES
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 223
TC 2
Z9 2
U1 0
U2 1
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP 53
EP 86
PG 34
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200004
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Hot Working of Aluminum
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Article; Book Chapter
ID HIGH-PURITY ALUMINUM; DYNAMIC RESTORATION MECHANISMS; ENERGY-DISSIPATION
EFFICIENCY; COPPER SINGLE-CRYSTALS; STEADY-STATE CREEP;
ELEVATED-TEMPERATURE DEFORMATION; STRAIN-INDUCED BOUNDARIES; CENTRED
CUBIC METALS; AL-MG-ALLOYS; DISLOCATION-STRUCTURES
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 303
TC 9
Z9 9
U1 1
U2 2
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP 87
EP 142
PG 56
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200005
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Hot Working of Dispersoid and Solute Alloys
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Article; Book Chapter
ID AL-MG-ALLOYS; HIGH-TEMPERATURE DEFORMATION; AA5XXX ALUMINUM-ALLOYS;
DYNAMIC RESTORATION MECHANISMS; CHANGING STRAIN-RATE; MICROSTRUCTURAL
EVOLUTION; STATIC RECRYSTALLIZATION; CONSTITUTIVE CONSTANTS;
AL-5MG-0.8MN ALLOY; DEFORMED ALUMINUM
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 207
TC 1
Z9 1
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP 143
EP 190
PG 48
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200006
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Precipitation Hardening Alloys
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Article; Book Chapter
ID ELEVATED-TEMPERATURE DEFORMATION; CU-MN ALLOY; AL-MG-SI; HOT-WORKING
CHARACTERISTICS; ALUMINUM-ALLOY; HOMOGENIZATION TREATMENTS; AL-5MG-0.8MN
ALLOY; ZR ALLOY; WORKABILITY; EXTRUSION
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 122
TC 0
Z9 0
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP 191
EP 238
PG 48
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200007
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Aluminum Matrix Composites
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Article; Book Chapter
ID SILICON-CARBIDE; REINFORCED ALUMINUM; STABILITY-CRITERIA; DYNAMIC
RECOVERY; HOT DEFORMATION; A356 ALLOY; PARTICULATE; BEHAVIOR; EXTRUSION;
FIBER
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 80
TC 0
Z9 0
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP 239
EP 265
PG 27
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200008
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Comparison of Hot Working of Other Metals
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Article; Book Chapter
ID HIGH-TEMPERATURE DEFORMATION; ZIRCONIUM-TIN ALLOYS; M2 TOOL STEELS;
DYNAMIC RECRYSTALLIZATION; STAINLESS-STEELS; TENSILE DEFORMATION;
MAGNESIUM ALLOYS; SINGLE-CRYSTALS; ALPHA-IRON; WORKABILITY
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 141
TC 2
Z9 2
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP 267
EP 300
PG 34
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200009
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Creep Strain Rates below 10(-4) s(-1)
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Article; Book Chapter
ID HARPER-DORN CREEP; SOLID-SOLUTION ALLOYS; STEADY-STATE CREEP; POWER-LAW
CREEP; HIGH-TEMPERATURE CREEP; INTERGRANULAR CAVITY GROWTH; HIGH-PURITY
ALUMINUM; DISPERSION-STRENGTHENED ALLOYS; DISLOCATION NETWORK THEORY;
GRAIN-BOUNDARY CAVITATION
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 198
TC 0
Z9 0
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP 301
EP 352
PG 52
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200010
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Cold Working
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Article; Book Chapter
ID CHANNEL ANGULAR EXTRUSION; SUBMICRON-GRAINED STRUCTURE; LARGE-STRAIN
DEFORMATION; COPPER SINGLE-CRYSTALS; STACKING-FAULT ENERGY; HIGH-ANGLE
BOUNDARIES; MICROSTRUCTURAL EVOLUTION; PLASTIC-DEFORMATION; HOT
DEFORMATION; FLOW-STRESS
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 111
TC 0
Z9 0
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP 353
EP 382
PG 30
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200011
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Static Restoration, Annealing
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Article; Book Chapter
ID AA5XXX ALUMINUM-ALLOYS; HIGH-TEMPERATURE DEFORMATION; HOT-WORKING;
DYNAMIC RECRYSTALLIZATION; DEFORMED ALUMINUM; MICROSTRUCTURAL CHANGES;
STRESS-RELAXATION; POLYCRYSTALLINE COPPER; SINGLE-CRYSTALS; PHASE-CHANGE
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 94
TC 0
Z9 0
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP 383
EP 405
PG 23
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200012
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Thermomechanical Processing
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Article; Book Chapter
ID AL-MG-SI; ALUMINUM CONDUCTOR ALLOYS; HOT WORKABILITY; DYNAMIC
RECRYSTALLIZATION; RESTORATION MECHANISMS; AL-5MG-0.8MN ALLOY; FATIGUE
RESISTANCE; DEFORMED ALUMINUM; SUBGRAIN SIZE; DEFORMATION
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 172
TC 1
Z9 1
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP 407
EP 436
PG 30
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200013
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Superplasticity
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Article; Book Chapter
ID STRAIN-RATE SUPERPLASTICITY; AL-MG ALLOY; ULTRAFINE-GRAINED ALUMINUM;
RATE-CONTROLLING MECHANISM; SC ALLOY; MICROSTRUCTURAL EVOLUTION;
7475AL+0.7ZR ALLOY; RATE SENSITIVITY; CAVITY GROWTH; LIQUID-PHASE
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 113
TC 1
Z9 1
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP 437
EP 459
PG 23
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200014
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Extrusion
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Article; Book Chapter
ID AL-MG-SI; ALUMINUM-ALLOYS; HOT WORKABILITY; DYNAMIC RECRYSTALLIZATION;
AL-5MG-0.8MN ALLOY; RESTORATION MECHANISMS; TEMPERATURE RISE; MAGNESIUM
ALLOYS; STRAIN RATES; DEFORMATION
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 152
TC 1
Z9 1
U1 1
U2 1
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP 461
EP 522
PG 62
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200015
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Rolling
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Article; Book Chapter
ID HIGH STRAIN RATES; HOT-WORKING; ALUMINUM-ALLOYS; DYNAMIC
RECRYSTALLIZATION; MICROSTRUCTURAL EVOLUTION; DEFORMATION; RESTORATION;
AL; TEMPERATURES; STRENGTH
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 106
TC 1
Z9 1
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP 523
EP 544
PG 22
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200016
ER
PT B
AU McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
AF McQueen, Hugh J.
Spigarelli, Stefano
Kassner, Michael E.
Evangelista, Enrico
BA McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
BF McQueen, HJ
Spigarelli, S
Kassner, ME
Evangelista, E
TI Hot and Cold Forging
SO HOT DEFORMATION AND PROCESSING OF ALUMINUM ALLOYS
SE Manufacturing Engineering and Materials Processing
LA English
DT Article; Book Chapter
ID ENERGY-DISSIPATION EFFICIENCY; DYNAMIC RECRYSTALLIZATION;
ALUMINUM-ALLOYS; DEFORMATION; FORMABILITY; EVOLUTION
C1 [McQueen, Hugh J.] Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
[McQueen, Hugh J.] Canada Ctr Mineral & Energy Technol, Hamilton, ON, Canada.
[McQueen, Hugh J.] Ecole Polytech, Montreal, PQ H3C 3A7, Canada.
[McQueen, Hugh J.] Canadian Inst Met, Montreal, PQ, Canada.
[McQueen, Hugh J.] Inst Met Mat & Minerals, Montreal, PQ, Canada.
[McQueen, Hugh J.; Kassner, Michael E.; Evangelista, Enrico] Amer Soc Met, New Orleans, LA USA.
[McQueen, Hugh J.] Canadian Soc Mech Engn, Kingston, ON, Canada.
[Spigarelli, Stefano] Univ Politecn Marche, Fac Engn, Met, Ancona, Italy.
[Spigarelli, Stefano] Univ Ancona, I-60128 Ancona, Italy.
[Kassner, Michael E.] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Kassner, Michael E.] Oregon State Univ, Dept Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Mech Engn, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Oregon State Univ, Interdisciplinary PhD Program Mat Sci, Corvallis, OR 97331 USA.
[Kassner, Michael E.] Univ So Calif, Dept Mech & Aerosp Engn, Los Angeles, CA 90089 USA.
[Kassner, Michael E.] Univ So Calif, Mat Sci, Los Angeles, CA USA.
[Kassner, Michael E.] ASME, Singapore, Singapore.
[Kassner, Michael E.] AAAS, Washington, DC USA.
[Evangelista, Enrico] Polytech Univ Ancona, Met Mech Engn, Ancona, Italy.
[Evangelista, Enrico] Univ Bologna, I-40126 Bologna, Italy.
[Evangelista, Enrico] Concordia Univ, Montreal, PQ, Canada.
RP McQueen, HJ (reprint author), Concordia Univ, Mat & Mfg Mech Engn, Montreal, PQ, Canada.
NR 47
TC 0
Z9 0
U1 0
U2 0
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-1768-7; 978-1-57444-678-4
J9 MANUF ENG MATER PROC
PY 2011
VL 75
BP 545
EP 564
PG 20
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA BC8DU
UT WOS:000355559200017
ER
PT S
AU Kojo, T
AF Kojo, Toru
BE Bleicher, M
Caines, H
Sanchez, MCD
DeFalco, A
Fries, R
DeCassagnac, RG
Hippolyte, B
Mischke, A
Nardi, M
Salgado, CA
TI Quarkyonic Matter and Chiral Spirals
SO HOT QUARKS 2010: WORKSHOP FOR YOUNG SCIENTISTS ON THE PHYSICS OF
ULTRARELATIVISTIC NUCLEUS-NUCLEUS COLLISIONS
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT 4th Workshop for Young Scientists on the Physics of Ultrarelativistic
Nucleus-nucleus Collisions
CY JUN 21-26, 2010
CL La Londe-Les-Maures, FRANCE
SP IN2P3/CNRS, EMMI, Inst Pluridisciplinaire Hubert Curien, Natl Sci Fdn, CERN, Helmholtz Int Ctr FAIR, Xunta Galicia, Journal Phys G Nucl & Particle Phys
ID LARGE N-C; DENSITY; QCD
AB The nuclear matter, deconfined quark matter, and Quarkyonic matter in low temperature region are classified based on the 1/N(c) expansion. The chiral symmetry in the Quarkyonic matter is investigated by taking into account condensations of chiral particle-hole pairs. It is argued that the chiral symmetry and parity are locally violated by the formation of chiral spirals, ((psi) over bar exp(2i mu(q)z gamma(0)gamma(z))psi). An extension to multiple chiral spirals is also briefly discussed.
C1 Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA.
RP Kojo, T (reprint author), Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA.
EM torujj@quark.phy.bnl.gov
RI Mischke, Andre/D-3614-2011; Salgado, Carlos A./G-2168-2015
OI Salgado, Carlos A./0000-0003-4586-2758
NR 11
TC 0
Z9 0
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 270
AR 012049
DI 10.1088/1742-6596/270/1/012049
PG 4
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA BVN47
UT WOS:000291964000049
ER
PT S
AU Lamont, MAC
AF Lamont, Matthew A. C.
CA BNL EIC Sci Task Force
BE Bleicher, M
Caines, H
Sanchez, MCD
DeFalco, A
Fries, R
DeCassagnac, RG
Hippolyte, B
Mischke, A
Nardi, M
Salgado, CA
TI Quantifying the glue - understanding the initial conditions at RHIC and
the LHC
SO HOT QUARKS 2010: WORKSHOP FOR YOUNG SCIENTISTS ON THE PHYSICS OF
ULTRARELATIVISTIC NUCLEUS-NUCLEUS COLLISIONS
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT 4th Workshop for Young Scientists on the Physics of Ultrarelativistic
Nucleus-Nucleus Collisions
CY JUN 21-26, 2010
CL La Londe-Les-Maures, FRANCE
SP IN2P3/CNRS, EMMI, Inst Pluridisciplinaire Hubert Curien, Natl Sci Fdn, CERN, Helmholtz Int Ctr FAIR (HIC FAIR), Xunta Galicia, Journal Phys G Nucl & Particle Phys
AB Recent results on the suppression of hadrons at forward rapidities from the STAR collaboration indicate that high gluon densities play an important role in the initial conditions of heavy-ion collisions. The study of these initial conditions is therefore crucial in the next stage of understanding and quantifying the data from RHIC and the LHC. The best way to perform these measurements is through Deep Inelastic Scattering measurements on nuclei. Currently, there are no accelerator facilities which are able to perform this measurement. In this paper, I will outline the latest developments of the eRHIC proposal at BNL as well as preliminary designs of a new detector as well as an assessment of the current detectors (PHENIX and STAR) abilities to run in an eRHIC era.
C1 [Lamont, Matthew A. C.; BNL EIC Sci Task Force] Brookhaven Natl Lab, Upton, NY 11777 USA.
RP Lamont, MAC (reprint author), Brookhaven Natl Lab, Upton, NY 11777 USA.
EM macl@bnl.gov
RI Mischke, Andre/D-3614-2011; Salgado, Carlos A./G-2168-2015
OI Salgado, Carlos A./0000-0003-4586-2758
NR 5
TC 0
Z9 0
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 270
AR 012057
DI 10.1088/1742-6596/270/1/012057
PG 4
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA BVN47
UT WOS:000291964000057
ER
PT S
AU Ruan, LJ
AF Ruan, Lijuan
BE Bleicher, M
Caines, H
Sanchez, MCD
DeFalco, A
Fries, R
DeCassagnac, RG
Hippolyte, B
Mischke, A
Nardi, M
Salgado, CA
TI Heavy flavor in heavy ion collisions
SO HOT QUARKS 2010: WORKSHOP FOR YOUNG SCIENTISTS ON THE PHYSICS OF
ULTRARELATIVISTIC NUCLEUS-NUCLEUS COLLISIONS
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT 4th Workshop for Young Scientists on the Physics of Ultrarelativistic
Nucleus-Nucleus Collisions
CY JUN 21-26, 2010
CL La Londe-Les-Maures, FRANCE
SP IN2P3/CNRS, EMMI, Inst Pluridisciplinaire Hubert Curien, Natl Sci Fdn, CERN, Helmholtz Int Ctr FAIR (HIC FAIR), Xunta Galicia, Journal Phys G Nucl & Particle Phys
ID PLUS AU COLLISIONS; QUARK-GLUON PLASMA; RESISTIVE PLATE CHAMBERS; J/PSI
SUPPRESSION; STAR; QCD; COLLABORATION; DISSOCIATION; PERSPECTIVE;
SPECTRA
AB The recent results on heavy flavor at the Relativistic Heavy Ion Collider will be reviewed. The results on charm cross section, heavy flavor collectivity and energy loss, color screening effect and quarkonia production mechanism will be highlighted. Precise measurements with future detector upgrades will be discussed.
C1 Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
RP Ruan, LJ (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
EM ruan@bnl.gov
RI Mischke, Andre/D-3614-2011; Salgado, Carlos A./G-2168-2015
OI Salgado, Carlos A./0000-0003-4586-2758
NR 57
TC 0
Z9 0
U1 0
U2 1
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 270
AR 012025
DI 10.1088/1742-6596/270/1/012025
PG 6
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA BVN47
UT WOS:000291964000025
ER
PT S
AU Silvestre, C
AF Silvestre, Catherine
CA CMS Collaboration
BE Bleicher, M
Caines, H
Sanchez, MCD
DeFalco, A
Fries, R
DeCassagnac, RG
Hippolyte, B
Mischke, A
Nardi, M
Salgado, CA
TI Di-muon measurements in Pb plus Pb and p plus p collisions with CMS
SO HOT QUARKS 2010: WORKSHOP FOR YOUNG SCIENTISTS ON THE PHYSICS OF
ULTRARELATIVISTIC NUCLEUS-NUCLEUS COLLISIONS
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT 4th Workshop for Young Scientists on the Physics of Ultrarelativistic
Nucleus-Nucleus Collisions
CY JUN 21-26, 2010
CL La Londe-Les-Maures, FRANCE
SP IN2P3/CNRS, EMMI, Inst Pluridisciplinaire Hubert Curien, Natl Sci Fdn, CERN, Helmholtz Int Ctr FAIR, Xunta Galicia, Journal Phys G Nucl & Particle Phys
AB Di-muons are especially relevant to study the properties of the strongly interacting QCD matter created in Pb+Pb collisions at the LHC, since they are produced at early times and propagate through the medium, mapping its evolution. Simulations of CMS di-muon measurements in such an environment are presented in this paper. In particular, we show that CMS has very good detection conditions for the studies of J/psi and gamma production, with an excellent di-muon mass resolution and a rather good acceptance. CMS will also be able to measure Z(0) production in heavy ion collisions for the first time. Early corresponding p+p measurements are reviewed as they will serve as the baseline for the heavy ion measurements.
C1 [Silvestre, Catherine; CMS Collaboration] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Silvestre, C (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM catherine.silvestre@cern.ch
RI Mischke, Andre/D-3614-2011; Salgado, Carlos A./G-2168-2015
OI Salgado, Carlos A./0000-0003-4586-2758
NR 13
TC 0
Z9 0
U1 0
U2 1
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 270
AR 012037
DI 10.1088/1742-6596/270/1/012037
PG 4
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA BVN47
UT WOS:000291964000037
ER
PT B
AU Lofstead, J
Polte, M
Gibson, G
Klasky, SA
Schwan, K
Oldfield, R
Wolf, M
Liu, Q
AF Lofstead, Jay
Polte, Milo
Gibson, Garth
Klasky, Scott A.
Schwan, Karsten
Oldfield, Ron
Wolf, Matthew
Liu, Qing
GP ACM SIGARCH/UOA
TI Six Degrees of Scientific Data: Reading Patterns for Extreme Scale
Science IO
SO HPDC 11: PROCEEDINGS OF THE 20TH INTERNATIONAL SYMPOSIUM ON HIGH
PERFORMANCE DISTRIBUTED COMPUTING
LA English
DT Proceedings Paper
CT 20th International Symposium on High Performance Distributed Computing
CY JUN 08-11, 2011
CL San Jose, CA
SP ACM SIGARCH, Univ Arizona
DE ADIOS; HDF5; PnetCDF; logically contiguous; log-based; analysis;
visualization; IO; Lustre; petascale
AB Petascale science simulations generate 10s of TBs of application data per clay, much of it devoted to their check-point/restart fault tolerance mechanisms. Previous work demonstrated the importance of carefully managing such output to prevent application slowdown due to 10 blocking, resource contention negatively impacting simulation performance and to fully exploit the IO bandwidth available to the petascale machine. This paper takes a further step in understanding and managing extreme-scale IO. Specifically, its evaluations seek to understand how to efficiently read data for subsequent data analysis, visualization, checkpoint restart after a failure, and other read-intensive operations. In their entirety, these actions support the 'end-to-end' needs of scientists enabling the scientific processes being undertaken. Contributions include the following. First, working with application scientists, we define 'read' benchmarks that capture the common read patterns used by analysis codes. Second, these read patterns are used to evaluate different IO techniques at scale to understand the effects of alternative data sizes and organizations in relation to the performance seen by end users. Third, defining the novel notion of a 'data district' to characterize how data is organized for reads, we experimentally compare the read performance seen with the ADIOS middleware's log-based BP format to that seen by the logically contiguous NetCDF or HDF5 formats commonly used by analysis tools. Measurements assess the performance seen across patterns and with different data sizes, organizations, and read process counts. Outcomes demonstrate that high end-to-end 10 performance requires data organizations that offer flexibility in data layout and placement on parallel storage targets, including in ways that can make tradeoffs in the performance of data writes vs. reads.
C1 [Lofstead, Jay; Oldfield, Ron] Sandia Natl Labs, Livermore, CA 94550 USA.
RP Lofstead, J (reprint author), Sandia Natl Labs, Livermore, CA 94550 USA.
OI Gibson, Garth/0000-0002-6656-7080
NR 25
TC 12
Z9 12
U1 0
U2 0
PU ASSOC COMPUTING MACHINERY
PI NEW YORK
PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA
BN 978-1-4503-0552-5
PY 2011
BP 49
EP 60
PG 12
WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic
SC Computer Science; Engineering
GA BVM70
UT WOS:000291897200006
ER
PT B
AU Hudson, R
Norris, J
Reid, LB
Weide, K
Jordan, GC
Papka, ME
AF Hudson, Randy
Norris, John
Reid, Lynn B.
Weide, Klaus
Jordan, G. Cal
Papka, Michael E.
GP ACM SIGARCH/UOA
TI Experiences Using Smaash to Manage Data-Intensive Simulations
SO HPDC 11: PROCEEDINGS OF THE 20TH INTERNATIONAL SYMPOSIUM ON HIGH
PERFORMANCE DISTRIBUTED COMPUTING
LA English
DT Proceedings Paper
CT 20th International Symposium on High Performance Distributed Computing
CY JUN 08-11, 2011
CL San Jose, CA
SP ACM SIGARCH, Univ Arizona
DE data capturing; archiving; massively parallel; FLASH; metadata
management; simulation management
ID CONFINED DETONATION MODEL; IA-SUPERNOVAE; SYSTEM; PHASE
AB High performance scientific computer simulations created with such systems as the University of Chicago's FLASH code generate enormous amounts of data that must be captured, cataloged, and analyzed. Unless this is formally done, monitoring such simulations, tracking and reproducing old ones, and analyzing and archiving their output, can be haphazard and idiosyncratic. Smaash, a simulation management and analysis system that has been developed at the University of Chicago and Argonne National Laboratory, seeks to solve some of these problems by offering what approaches a single point of control and analysis, a metadata-base, and a set of tools that automate some of what scientists have been doing by hand.
Smaash was designed to be independent of the particular simulation code, and is accessible from many computing platforms. It is automatic and standardized, and was built using open source software tools. Data security is considered throughout the process, yet users are insulated from onerous verification procedures. Because the system was developed with feedback from scientific users, its user interface reflects how scientists work in their daily life. We describe our system and a typical simulation it was designed to support. We illustrate its utility with several examples describing our experience of freeing scientists from the data manipulation phase to focus on the computational results and the analysis of high performance computing.
C1 [Hudson, Randy; Norris, John; Weide, Klaus; Jordan, G. Cal] Univ Chicago, Flash Ctr Computat Sci, Chicago, IL 60637 USA.
RP Papka, ME (reprint author), Univ Chicago, Computat Inst, Argonne Natl Lab, Chicago, IL 60622 USA.
EM hudson@mcs.anl.gov; jnorris@mcs.anl.gov; lynn.reid@csiro.au;
klaus@flash.uchicago.edu; gjordan@flash.uchicago.edu; papka@anl.gov
RI Reid, Lynn/A-7364-2011; 张, 红/F-9916-2011;
OI Weide, Klaus/0000-0001-9869-9750
NR 30
TC 2
Z9 2
U1 0
U2 0
PU ASSOC COMPUTING MACHINERY
PI NEW YORK
PA 1515 BROADWAY, NEW YORK, NY 10036-9998 USA
BN 978-1-4503-0552-5
PY 2011
BP 205
EP 215
PG 11
WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic
SC Computer Science; Engineering
GA BVM70
UT WOS:000291897200020
ER
PT J
AU Xing, L
Cullin, JR
Spitler, JD
Im, P
Fisher, DE
AF Xing, Lu
Cullin, James R.
Spitler, Jeffrey D.
Im, Piljae
Fisher, Daniel E.
TI Foundation heat exchangers for residential ground source heat pump
systems-Numerical modeling and experimental validation
SO HVAC&R RESEARCH
LA English
DT Article
ID SOIL; TEMPERATURE; STORAGE
AB A newtype of ground heat exchanger that utilizes the excavation often made for basements or foundations has been proposed as an alternative to conventional ground heat exchangers. This article describes a numerical model that can be used to size these foundation heat exchanger (FHX) systems. The numerical model is a two-dimensional finite-volume model that considers a wide variety of factors, such as soil freezing and evapotranspiration. The FHX numerical model is validated with one year of experimental data collected at an experimental house located near Oak Ridge, Tennessee. The model shows good agreement with the experimental data-heat pump entering fluid temperatures typically within 1 degrees C (1.8 degrees F)-with minor discrepancies due to approximations, such as constant moisture content throughout the year, uniform evapotranspiration over the seasons, and lack of ground shading in the model.
C1 [Xing, Lu; Cullin, James R.; Spitler, Jeffrey D.; Fisher, Daniel E.] Oklahoma State Univ, Stillwater, OK 74075 USA.
[Im, Piljae] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Xing, L (reprint author), Oklahoma State Univ, Stillwater, OK 74075 USA.
EM lxing@okstate.edu
NR 26
TC 12
Z9 12
U1 0
U2 11
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
SN 1078-9669
J9 HVAC&R RES
JI HVAC&R Res.
PY 2011
VL 17
IS 6
BP 1059
EP 1074
DI 10.1080/10789669.2011.605199
PG 16
WC Thermodynamics; Construction & Building Technology; Engineering,
Mechanical
SC Thermodynamics; Construction & Building Technology; Engineering
GA 887VG
UT WOS:000299958700013
ER
PT B
AU Vorobeychik, Y
AF Vorobeychik, Yevgeniy
BE Filipe, J
Fred, A
TI A GAME THEORETIC BIDDING AGENT FOR THE AD AUCTION GAME
SO ICAART 2011: PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON AGENTS
AND ARTIFICIAL INTELLIGENCE, VOL 2
LA English
DT Proceedings Paper
CT 3rd International Conference on Agents and Artificial Intelligence
CY JAN 28-30, 2011
CL Rome, ITALY
SP Inst Syst & Technol Informat Control & Commun
DE Bidding agents; Keyword auctions; Game theory
AB TAC/AA (ad auction game) provides a forum for research into strategic bidding in keyword auctions to try out their ideas in an independently simulated setting. We describe an agent that successfully competed in the TAC/AA game, showing in the process how to operationalize game theoretic analysis to develop a very simple, yet highly competent agent. Specifically, we use simulation-based game theory to approximate equilibria in a restricted bidding strategy space, assess their robustness in a normative sense, and argue for relative plausibility of equilibria based on an analogy to a common agent design methodology. Finally, we offer some evidence for the efficacy of equilibrium predictions based on TAC/AA tournament data.
C1 [Vorobeychik, Yevgeniy] Sandia Natl Labs, Livermore, CA 94550 USA.
RP Vorobeychik, Y (reprint author), Sandia Natl Labs, Livermore, CA 94550 USA.
NR 8
TC 0
Z9 0
U1 0
U2 1
PU INSTICC-INST SYST TECHNOLOGIES INFORMATION CONTROL & COMMUNICATION
PI SETUBAL
PA AVENIDA D MANUEL L, 27A 2 ESQUERDO, SETUBAL, 2910-595, PORTUGAL
BN 978-989-8425-41-6
PY 2011
BP 35
EP 44
PG 10
WC Computer Science, Artificial Intelligence
SC Computer Science
GA BG8JQ
UT WOS:000392353500009
ER
PT J
AU Redmer, R
Mattsson, TR
Nettelmann, N
French, M
AF Redmer, Ronald
Mattsson, Thomas R.
Nettelmann, Nadine
French, Martin
TI The phase diagram of water and the magnetic fields of Uranus and Neptune
SO ICARUS
LA English
DT Article
DE Neptune, Interior; Uranus, Interior; Magnetic fields
ID EQUATION-OF-STATE; GIANT PLANETS; BRILLOUIN-ZONE; HIGH-PRESSURES;
MELTING CURVE; INTERIORS; HYDROGEN; JUPITER; MODELS; ICE
AB The interior of giant planets can give valuable information on formation and evolution processes of planetary systems. However, the interior and evolution of Uranus and Neptune is still largely unknown. In this paper, we compare water-rich three-layer structure models of these planets with predictions of shell structures derived from magnetic field models. Uranus and Neptune have unusual non-dipolar magnetic fields contrary to that of the Earth. Extensive three-dimensional simulations of Stanley and Bloxham (Stanley, S., Bloxham, J. [2004]. Nature 428, 151-153) have indicated that such a magnetic field is generated in a rather thin shell of at most 0.3 planetary radii located below the H/He rich outer envelope and a conducting core that is fluid but stably stratified. Interior models rely on equation of state data for the planetary materials which have usually considerable uncertainties in the high-pressure domain. We present interior models for Uranus and Neptune that are based on ab initio equation of state data for hydrogen, helium, and water as the representative of all heavier elements or ices. Based on a detailed high-pressure phase diagram of water we can specify the region where superionic water should occur in the inner envelope. This superionic region correlates well with the location of the stably-stratified region as found in the dynamo models. Hence we suggest a significant impact of the phase diagram of water on the generation of the magnetic fields in Uranus and Neptune. (C) 2010 Elsevier Inc. All rights reserved.
C1 [Redmer, Ronald; Nettelmann, Nadine; French, Martin] Univ Rostock, Inst Phys, D-18051 Rostock, Germany.
[Mattsson, Thomas R.] Sandia Natl Labs, Pulsed Power Sci Ctr, Albuquerque, NM 87185 USA.
[Nettelmann, Nadine] Univ Calif Santa Cruz, Dept Astron & Astrophys, Santa Cruz, CA 95064 USA.
RP Redmer, R (reprint author), Univ Rostock, Inst Phys, D-18051 Rostock, Germany.
EM ronald.redmer@uni-rostock.de; trmatts@sandia.-gov; nadinen@ucolick.org;
martin.french@uni-rostock.de
RI Redmer, Ronald/F-3046-2013
FU Deutsche Forschungsgemeinschaft (DFG); Supercomputing Center North
(HLRN); Computing Center of the University of Rostock; NNSA Science
Campaigns; Lockheed Martin company [DE-AC04-94AL85000]
FX We thank W. Lorenzen, B. Hoist, R. Neuhauser, M.P. Desjarlais and V.E.
Fortov for helpful discussions and comments. This work was supported by
the Deutsche Forschungsgemeinschaft (DFG), the Supercomputing Center
North (HLRN), and the Computing Center of the University of Rostock.
This work was supported by the NNSA Science Campaigns. Sandia National
Laboratories is a multi-program laboratory operated by Sandia
Corporation, a wholly owned subsidiary of Lockheed Martin company, for
the US Department of Energy's National Nuclear Security Administration
under Contract DE-AC04-94AL85000.
NR 57
TC 46
Z9 47
U1 3
U2 44
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 JAN
PY 2011
VL 211
IS 1
BP 798
EP 803
DI 10.1016/j.icarus.2010.08.008
PG 6
WC Astronomy & Astrophysics
SC Astronomy & Astrophysics
GA 709MK
UT WOS:000286443600060
ER
PT B
AU Dalton, AC
Gelston, GM
Tate, LC
AF Dalton, Angela C.
Gelston, Gariann M.
Tate, Lucas C.
BE Callaos, N
Savoie, M
Siddique, M
Zinn, CD
TI Harnessing the Chaos: Understanding Barriers to Inter-organizational
Communication and Collaboration within the Grid Network
SO ICT&A 2011/DEMSET 2011: INTERNATIONAL CONFERENCE ON INFORMATION AND
COMMUNICATION TECHNOLOGIES AND APPLICATIONS / INTERNATIONAL CONFERENCE
ON DESIGN AND MODELING IN SCIENCE, EDUCATION, AND TECHNOLOGY
LA English
DT Proceedings Paper
CT Int Conf on Information and Communication Technologies and Applications
/ Int Conf on Design and Modeling in Science, Education, and Technology
CY NOV 29-DEC 02, 2011
CL Orlando, FL
SP Int Inst Informat & Syst
DE inter-organizational communication; collaboration; decision making;
emergency response; network effectiveness; power grid
C1 [Dalton, Angela C.; Gelston, Gariann M.; Tate, Lucas C.] Pacific Northwest Natl Lab, Richland, WA 99352 USA.
FU Future Power Grid Initiative, a Laboratory Directed Research and
Development Project at the Pacific Northwest National Laboratory
FX This research is supported by the Future Power Grid Initiative, a
Laboratory Directed Research and Development Project at the Pacific
Northwest National Laboratory. We thank Henry Huang, Jeff Dagle, Paul
Whitney, William Pike, and Garill Coles for their contributions.
NR 12
TC 0
Z9 0
U1 0
U2 0
PU INT INST INFORMATICS & SYSTEMICS
PI ORLANDO
PA 14269 LORD BARCLAY DR, ORLANDO, FL 32837 USA
BN 978-1-936338-45-0
PY 2011
BP 306
EP 309
PG 4
WC Engineering, Electrical & Electronic; Telecommunications
SC Engineering; Telecommunications
GA BG8PB
UT WOS:000392562500058
ER
PT J
AU Adams, JJ
Slimmer, SC
Malkowski, TF
Duoss, EB
Lewis, JA
Bernhard, JT
AF Adams, Jacob J.
Slimmer, Scott C.
Malkowski, Thomas F.
Duoss, Eric B.
Lewis, Jennifer A.
Bernhard, Jennifer T.
TI Comparison of Spherical Antennas Fabricated via Conformal Printing:
Helix, Meanderline, and Hybrid Designs
SO IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
LA English
DT Article
DE Conformal printing; electrically small; impedance matching; quality
factor; spherical antenna
ID BANDWIDTH; IMPEDANCE
AB The design tradeoffs between three spherically conformal electric monopoles-the spherical helix (SH), spherical meanderline (SM), and a hybrid design-are explored through both simulation and measurement. We show that the SH is efficient, but can be difficult to impedance match without external components. On the other hand, the SM antenna has a widely controllable impedance with slightly increased loss. Thus, a hybrid design is proposed that retains the desirable qualities of both the SH and SM. All three designs are fabricated using a conformal printing technique for comparison. We describe the design tradeoffs and physical insights gained through evaluating the efficiency, Q, and matching behavior of these antennas.
C1 [Adams, Jacob J.; Bernhard, Jennifer T.] Univ Illinois, Dept Elect & Comp Engn, Electromagnet Lab, Urbana, IL 61801 USA.
[Slimmer, Scott C.; Lewis, Jennifer A.] Univ Illinois, Dept Mat Sci & Engn, Frederick Seitz Mat Res Lab, Urbana, IL 61801 USA.
[Malkowski, Thomas F.] Univ Calif Santa Barbara, Dept Mat Sci, Santa Barbara, CA 93106 USA.
[Duoss, Eric B.] Lawrence Livermore Natl Lab, Ctr Micro & Nano Technol, Livermore, CA 94550 USA.
RP Adams, JJ (reprint author), Univ Illinois, Dept Elect & Comp Engn, Electromagnet Lab, Urbana, IL 61801 USA.
EM jjadams@illinois.edu; slimmer@illinois.edu; tmalkowski@umail.ucsb.edu;
duoss1@llnl.gov; jalewis@illinois.edu; jbernhar@illinois.edu
RI Adams, Jacob/B-8953-2008; Adams, Jacob/F-8321-2016;
OI Adams, Jacob/0000-0002-4253-9237; Bernhard, Jennifer/0000-0002-0929-387X
FU Intelligence Community Postdoctoral Research Fellowship Program; US
Department of Energy (DOE), Division of Materials Sciences
[DE-FG02-07ER46471]
FX Manuscript received October 05, 2011; revised November 07, 2011;
accepted November 19, 2011. Date of publication December 09, 2011; date
of current version December 26, 2011. The work of J. J. Adams and S. C.
Slimmer is supported by the Intelligence Community Postdoctoral Research
Fellowship Program. This work was supported in part by the US Department
of Energy (DOE), Division of Materials Sciences, under Award
DE-FG02-07ER46471.
NR 13
TC 9
Z9 9
U1 1
U2 13
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1536-1225
EI 1548-5757
J9 IEEE ANTENN WIREL PR
JI IEEE Antennas Wirel. Propag. Lett.
PY 2011
VL 10
BP 1425
EP 1428
DI 10.1109/LAWP.2011.2178999
PG 4
WC Engineering, Electrical & Electronic; Telecommunications
SC Engineering; Telecommunications
GA 868ZJ
UT WOS:000298565100001
ER
PT J
AU Schurig, D
Eleftheriades, GV
Smith, DR
Tretyakov, SA
AF Schurig, David
Eleftheriades, George V.
Smith, David R.
Tretyakov, Sergei A.
TI Guest Editorial: Special Cluster on Metamaterials
SO IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
LA English
DT Editorial Material
ID MEDIA
C1 [Schurig, David] Univ Utah, Dept Elect & Comp Engn, Salt Lake City, UT 84112 USA.
[Schurig, David] N Carolina State Univ, Dept Elect & Comp Engn, Raleigh, NC 27695 USA.
[Schurig, David] Duke Univ, Intelligence Community IC Postdoctoral Fellowship, Durham, NC USA.
[Schurig, David] Calif Space Inst, La Jolla, CA USA.
[Schurig, David] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
[Eleftheriades, George V.] Swiss Fed Inst Technol, CH-1015 Lausanne, Switzerland.
[Smith, David R.] Duke Univ, Dept Phys, Durham, NC 27706 USA.
[Tretyakov, Sergei A.] St Petersburg State Tech Univ, St Petersburg, Russia.
[Tretyakov, Sergei A.] St Petersburg State Tech Univ, Radiophys Dept, St Petersburg, Russia.
[Tretyakov, Sergei A.] Aalto Univ, Dept Radio Sci & Engn, Aalto, Finland.
RP Schurig, D (reprint author), Univ Utah, Dept Elect & Comp Engn, Salt Lake City, UT 84112 USA.
RI Smith, David/E-4710-2012; Tretyakov, Sergei/G-2454-2013
NR 11
TC 0
Z9 0
U1 0
U2 4
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1536-1225
J9 IEEE ANTENN WIREL PR
JI IEEE Antennas Wirel. Propag. Lett.
PY 2011
VL 10
BP 1476
EP 1479
DI 10.1109/LAWP.2012.2183989
PG 4
WC Engineering, Electrical & Electronic; Telecommunications
SC Engineering; Telecommunications
GA 887PJ
UT WOS:000299940400001
ER
PT J
AU Basilio, LI
Warne, LK
Langston, WL
Johnson, WA
Sinclair, MB
AF Basilio, Lorena I.
Warne, L. K.
Langston, W. L.
Johnson, W. A.
Sinclair, M. B.
TI A Quick and Easy Simulation Procedure to Aid in Metamaterial Unit-Cell
Design
SO IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
LA English
DT Article
DE Effective media; metamaterial simulations; metamaterials; negative index
AB In this letter, a simple simulation procedure is presented and used to design a negative-index metamaterial unit cell. The procedure is based upon full-wave simulations of a single unit cell where electric and magnetic drives are separated to significantly simplify the interpretation of the effective-media response. More specifically, by extracting polarizabilities from the far-field response of the resonator under these drive conditions, the effective-media parameters are shown to be nicely correlated with the resonant responses of the resonator. For the purposes of demonstrating this simulation procedure, a negative-index metamaterial design based on a composite unit cell containing a split-ring-resonator and z-dipole is employed as a straightforward example.
C1 [Basilio, Lorena I.; Warne, L. K.; Langston, W. L.; Johnson, W. A.; Sinclair, M. B.] Sandia Natl Labs, Electromagnet Theory Dept, Albuquerque, NM 87123 USA.
RP Basilio, LI (reprint author), Sandia Natl Labs, Electromagnet Theory Dept, Albuquerque, NM 87123 USA.
EM libasil@sandia.gov
FU U.S. Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]
FX Sandia National Laboratories is a multiprogram laboratory managed and
operated by Sandia Corporation, a wholly owned subsidiary of Lockheed
Martin Corporation, for the U.S. Department of Energy's National Nuclear
Security Administration under Contract DE-AC04-94AL85000.
NR 7
TC 7
Z9 7
U1 0
U2 4
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1536-1225
J9 IEEE ANTENN WIREL PR
JI IEEE Antennas Wirel. Propag. Lett.
PY 2011
VL 10
BP 1567
EP 1570
DI 10.1109/LAWP.2011.2171470
PG 4
WC Engineering, Electrical & Electronic; Telecommunications
SC Engineering; Telecommunications
GA 887PJ
UT WOS:000299940400024
ER
PT J
AU Bethel, EW
van Rosendale, J
Southard, D
Gaither, K
Childs, H
Brugger, E
Ahern, S
AF Bethel, E. Wes
van Rosendale, John
Southard, Dale
Gaither, Kelly
Childs, Hank
Brugger, Eric
Ahern, Sean
TI Visualization at Supercomputing Centers: The Tale of Little Big Iron and
the Three Skinny Guys
SO IEEE COMPUTER GRAPHICS AND APPLICATIONS
LA English
DT Editorial Material
C1 [Bethel, E. Wes; Childs, Hank; Brugger, Eric] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[van Rosendale, John] Coll William & Mary, Williamsburg, VA 23187 USA.
[Gaither, Kelly] Univ Texas Austin, Texas Adv Computat Ctr, Austin, TX 78712 USA.
[Ahern, Sean] Oak Ridge Natl Lab, Oak Ridge, TN USA.
RP Bethel, EW (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
EM ewbethel@lbl.gov; johnvr@wm.edu; dsouthard@nvidia.com;
kelly@tacc.utexas.edu; hchilds@lbl.gov; brugger1@llnl.gov;
ahern@ornl.gov
NR 1
TC 6
Z9 6
U1 0
U2 14
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1314 USA
SN 0272-1716
J9 IEEE COMPUT GRAPH
JI IEEE Comput. Graph. Appl.
PD JAN-FEB
PY 2011
VL 31
IS 1
BP 90
EP 95
DI 10.1109/MCG.2011.13
PG 6
WC Computer Science, Software Engineering
SC Computer Science
GA 695SC
UT WOS:000285391900010
PM 24807974
ER
PT J
AU Rambukkange, MP
Verlinde, J
Eloranta, EW
Flynn, CJ
Clothiaux, EE
AF Rambukkange, Mahlon P.
Verlinde, Johannes
Eloranta, Edwin W.
Flynn, Connor J.
Clothiaux, Eugene E.
TI Using Doppler Spectra to Separate Hydrometeor Populations and Analyze
Ice Precipitation in Multilayered Mixed-Phase Clouds
SO IEEE GEOSCIENCE AND REMOTE SENSING LETTERS
LA English
DT Article
DE Cloud radar Doppler spectra; ice crystals; ice fall velocity;
mixed-phase clouds
ID RADAR; SHEBA; LIDAR; MOTIONS
AB Multimodality of cloud radar Doppler spectra is used to partition cloud particle phases and separate distinct ice populations in the radar sample volume, thereby facilitating the analysis of individual ice showers in multilayered mixed-phase clouds. A 35-GHz cloud radar located at Barrow, Alaska, during the Mixed-Phase Arctic Cloud Experiment collected the Doppler spectra. Data from a pair of collocated depolarization lidars confirmed the presence of two liquid cloud layers reported in this letter. Both of these cloud layers were embedded in ice precipitation yet maintained their liquid. The spectral separation of the ice precipitation yielded two distinct ice populations: the ice initiated within the two liquid cloud layers and the ice precipitation formed in the higher cloud layers. The comparisons of ice fall velocity-versus-radar reflectivity relationships derived for distinct showers reveal that a single relationship does not properly represent the ice showers during this period.
C1 [Rambukkange, Mahlon P.; Verlinde, Johannes; Clothiaux, Eugene E.] Penn State Univ, Dept Meteorol, University Pk, PA 16802 USA.
[Eloranta, Edwin W.] Univ Wisconsin, Ctr Space Sci & Engn, Madison, WI 53706 USA.
[Flynn, Connor J.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Rambukkange, MP (reprint author), Penn State Univ, Dept Meteorol, 503 Walker Bldg, University Pk, PA 16802 USA.
EM verlinde@essc.psu.edu; eloranta@lidar.ssec.wisc.edu;
connor.flynn@pnl.gov
FU Office of Biological and Environmental Research, U.S. Department of
Energy [DE-FG02-05ER64058, DE-FG02-90ER61071]
FX Manuscript received March 8, 2010; revised May 5, 2010; accepted May 31,
2010. Date of publication July 26, 2010; date of current version
December 27, 2010. This work was supported by the Office of Biological
and Environmental Research, U.S. Department of Energy, under Grants
DE-FG02-05ER64058 and DE-FG02-90ER61071 as part of the Atmospheric
Radiation Measurement Program.
NR 23
TC 11
Z9 14
U1 0
U2 8
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1545-598X
J9 IEEE GEOSCI REMOTE S
JI IEEE Geosci. Remote Sens. Lett.
PD JAN
PY 2011
VL 8
IS 1
BP 108
EP 112
DI 10.1109/LGRS.2010.2052781
PG 5
WC Geochemistry & Geophysics; Engineering, Electrical & Electronic; Remote
Sensing; Imaging Science & Photographic Technology
SC Geochemistry & Geophysics; Engineering; Remote Sensing; Imaging Science
& Photographic Technology
GA 701SP
UT WOS:000285844000023
ER
PT J
AU Dyer, GC
Aizin, GR
Reno, JL
Shaner, EA
Allen, SJ
AF Dyer, Gregory C.
Aizin, Gregory R.
Reno, John L.
Shaner, Eric A.
Allen, S. James
TI Novel Tunable Millimeter-Wave Grating-Gated Plasmonic Detectors
SO IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
LA English
DT Article
DE Bolometers; millimeter wave detectors; millimeter wave devices;
plasmonics
ID FIELD-EFFECT TRANSISTORS; TERAHERTZ RADIATION; ELECTRON-GAS; MODES
AB We present the development of tunable, narrow-band plasmonic millimeter wave detectors. The current generation of this class of detector monolithically integrates a 2-D plasmonic absorber and a bolometric sensor in a GaAs/AlGaAs HEMT located at the vertex of a broad-band antenna. Response and transport measurements demonstrate absorption by high-order plasmon modes sensed by the integrated bolometer and with a two order of magnitude improvement in sensitivity and noise equivalent power over prior generations of 2-D plasmonic detectors. We compare these recent results with the state of the art in millimeter and submillimeter wave-detection technology.
C1 [Dyer, Gregory C.; Allen, S. James] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA.
[Aizin, Gregory R.] CUNY, Kingsborough Coll, Dept Phys Sci, Brooklyn, NY 11235 USA.
[Reno, John L.; Shaner, Eric A.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Dyer, GC (reprint author), Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA.
EM gdyer@physics.ucsb.edu; gaizin@kingsborough.edu; jlreno@sandia.gov;
eashabe@sandia.gov; allen@itst.ucsb.edu
FU University of Buffalo National Science Foundation-Nanoscale
Interdisciplinary Research Teams Terahertz Collaboratory [ECS0609146];
U.S. Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]; Army Research Office [W911NF-05-1-0031]; U.S. Air
Force Office of Scientific Research, Arlington, VA [FA9550-09-C-0168];
Physical Sciences, Inc., Andover, MA [FI011090528]
FX This work was supported by the University of Buffalo National Science
Foundation-Nanoscale Interdisciplinary Research Teams Terahertz
Collaboratory under Grant ECS0609146, by the Sandia, 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, by the Army Research
Office under Grant W911NF-05-1-0031, by the U.S. Air Force Office of
Scientific Research, Arlington, VA under Contract FA9550-09-C-0168, and
by Physical Sciences, Inc., Andover, MA under Agreement FI011090528.
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. Any opinions, findings, and conclusions or
recommendations expressed in this material are those of the author(s)
and do not necessarily reflect the views of the U. S. Air Force Office
of Scientific Research or Physical Sciences Inc.
NR 26
TC 28
Z9 28
U1 1
U2 26
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1077-260X
J9 IEEE J SEL TOP QUANT
JI IEEE J. Sel. Top. Quantum Electron.
PD JAN-FEB
PY 2011
VL 17
IS 1
BP 85
EP 91
DI 10.1109/JSTQE.2010.2049096
PG 7
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA 717YV
UT WOS:000287086100011
ER
PT S
AU Knoll, A
Thelen, S
Wald, I
Hansen, CD
Hagen, H
Papka, ME
AF Knoll, Aaron
Thelen, Sebastian
Wald, Ingo
Hansen, Charles D.
Hagen, Hans
Papka, Michael E.
BE DiBattista, G
Fekete, JD
Qu, H
TI Full-Resolution Interactive CPU Volume Rendering with Coherent BVH
Traversal
SO IEEE PACIFIC VISUALIZATION SYMPOSIUM 2011
SE IEEE Pacific Visualization Symposium
LA English
DT Proceedings Paper
CT 4th IEEE Pacific Visualization Symposium
CY MAR 01-04, 2011
CL Hong Kong, PEOPLES R CHINA
SP IEEE, IEEE Visualizat & Graph Tech Comm, IEEE Comp Soc
ID RAY; GPU
AB We present an efficient method for volume rendering by raycasting on the CPU. We employ coherent packet traversal of an implicit bounding volume hierarchy, heuristically pruned using preintegrated transfer functions, to exploit empty or homogeneous space. We also detail SIMD optimizations for volumetric integration, trilinear interpolation, and gradient lighting. The resulting system performs well on low-end and laptop hardware, and can outperform out-of-core GPU methods by orders of magnitude when rendering large volumes without level-of-detail (LOD) on a workstation. We show that, while slower than GPU methods for low-resolution volumes, an optimized CPU renderer does not require LOD to achieve interactive performance on large data sets.
C1 [Knoll, Aaron; Papka, Michael E.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Thelen, Sebastian; Hansen, Charles D.] TU Kaiserslautern, Kaiserslautern, Germany.
[Wald, Ingo] Intel Corp, Santa Clara, CA 95052 USA.
[Hansen, Charles D.] Univ Utah, Salt Lake City, UT 84112 USA.
RP Knoll, A (reprint author), Argonne Natl Lab, Argonne, IL 60439 USA.
EM knoll@mcs.anl.gov; s_thelen@informatik.uni-kl.de; ingo.wald@intel.com;
hansen@cs.utah.edu; hagen@informatik.uni-kl.de; papka@anl.gov
FU Office of Advanced Scientific Computing Research; Office of Science;
U.S. Department of Energy [DE-AC02-06CH11357]; Computational
Postdoctoral Fellowship at Argonne National Laboratory under the
American Reinvestment and Recovery Act; German Science Foundation (DFG)
International Research Training Group [RTG 1131]
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; the Computational Postdoctoral Fellowship at Argonne
National Laboratory under the American Reinvestment and Recovery Act,
and the German Science Foundation (DFG) International Research Training
Group (RTG 1131). The authors thank Younis Hijazi, Carson Brownlee,
Thiago Ize, and Jens Krueger for their help and insights.
NR 22
TC 4
Z9 4
U1 0
U2 0
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1264 USA
SN 2165-8765
BN 978-1-61284-932-4
J9 IEEE PAC VIS SYMP
PY 2011
BP 3
EP 10
PG 8
WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic
SC Computer Science; Engineering
GA BEJ08
UT WOS:000316816300001
ER
PT S
AU Bhatia, H
Jadhav, S
Bremer, PT
Chen, GN
Levine, JA
Nonato, LG
Pascucci, V
AF Bhatia, Harsha
Jadhav, Shreeraj
Bremer, Peer-Timo
Chen, Guoning
Levine, Joshua A.
Nonato, Luis Gustano
Pascucci, Valerio
BE DiBattista, G
Fekete, JD
Qu, H
TI Edge Maps: Representing Flow with Bounded Error
SO IEEE PACIFIC VISUALIZATION SYMPOSIUM 2011
SE IEEE Pacific Visualization Symposium
LA English
DT Proceedings Paper
CT 4th IEEE Pacific Visualization Symposium
CY MAR 01-04, 2011
CL Hong Kong, PEOPLES R CHINA
SP IEEE, IEEE Visualizat & Graph Tech Comm, IEEE Comp Soc
DE Vector Fields; Error Quantification; Edge Maps
ID VECTOR FIELD TOPOLOGY; MORSE-SMALE COMPLEXES; DESIGN; VISUALIZATION;
SURFACES
AB Robust analysis of vector fields has been established as an important tool for deriving insights from the complex systems these fields model. Many analysis techniques rely on computing streamlines, a task often hampered by numerical instabilities. Approaches that ignore the resulting errors can lead to inconsistencies that may produce unreliable visualizations and ultimately prevent in-depth analysis. We propose a new representation for vector fields on surfaces that replaces numerical integration through triangles with linear maps defined on its boundary. This representation, called edge maps, is equivalent to computing all possible streamlines at a user defined error threshold. In spite of this error, all the streamlines computed using edge maps will be pairwise disjoint. Furthermore, our representation stores the error explicitly, and thus can be used to produce more informative visualizations. Given a piecewise-linear interpolated vector field, a recent result [15] shows that there are only 23 possible map classes for a triangle, permitting a concise description of flow behaviors. This work describes the details of computing edge maps, provides techniques to quantify and refine edge map error, and gives qualitative and visual comparisons to more traditional techniques.
C1 [Bhatia, Harsha; Jadhav, Shreeraj; Chen, Guoning; Levine, Joshua A.; Pascucci, Valerio] Univ Utah, SCI Inst, Salt Lake City, UT 84112 USA.
[Bremer, Peer-Timo] Lawrence Livermore Natl Lab, Lawrence, KS 54912 USA.
[Nonato, Luis Gustano] Univ Sao Paulo, BR-05508 Sao Paulo, Brazil.
RP Bhatia, H (reprint author), Univ Utah, SCI Inst, Salt Lake City, UT 84112 USA.
EM hbhatia@sci.utah.edu; jadhav@sci.utah.edu; bremer5@llnl.gov;
chengu@sci.utah.edu; jlevine@sci.utah.edu; gnonato@icmc.usp.br;
pascucci@sci.utah.edu
RI Nonato, Luis Gustavo/D-5782-2011
FU National Science Foundation [IIS-1045032, OCI-0904631, OCI-0906379,
CCF0702817]; King Abdullah University of Science and Technology (KAUST)
[KUS-C1-016-04]; U.S. Department of Energy; University of Utah
[DE-SC0001922, DE-AC52-07NA27344, DE-FC02-06ER25781]; Lawrence Livermore
National Laboratory (LLNL) [DE-AC5207NA27344]
FX This work is supported in part by the National Science Foundation awards
IIS-1045032, OCI-0904631, OCI-0906379 and CCF0702817, and by King
Abdullah University of Science and Technology (KAUST) Award No.
KUS-C1-016- 04. This work was also performed under the auspices of the
U.S. Department of Energy by the University of Utah under contracts
DE-SC0001922, DE-AC52-07NA27344, and DE-FC02-06ER25781, and Lawrence
Livermore National Laboratory (LLNL) under contract DE-AC5207NA27344. We
are grateful to Jackie Chen for the dataset from Figure 11, Robert S.
Laramee for the diesel engine dataset from Figure 13, and Paul Miller,
William Cabot, and Andrew Cook for the bubbles dataset from Figure 14.
Attila Gyulassy and Philippe P. Pebay provided many useful comments and
discussions. LLNLPROC-463631.
NR 32
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Z9 5
U1 0
U2 0
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1264 USA
SN 2165-8765
BN 978-1-61284-932-4
J9 IEEE PAC VIS SYMP
PY 2011
BP 75
EP 82
PG 8
WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic
SC Computer Science; Engineering
GA BEJ08
UT WOS:000316816300010
ER
PT S
AU Wei, JS
Yu, HF
Grout, RW
Chen, JH
Ma, KL
AF Wei, Jishang
Yu, Hongfeng
Grout, Ray W.
Chen, Jacqueline H.
Ma, Kwan-Liu
BE DiBattista, G
Fekete, JD
Qu, H
TI Dual Space Analysis of Turbulent Combustion Particle Data
SO IEEE PACIFIC VISUALIZATION SYMPOSIUM 2011
SE IEEE Pacific Visualization Symposium
LA English
DT Proceedings Paper
CT 4th IEEE Pacific Visualization Symposium
CY MAR 01-04, 2011
CL Hong Kong, PEOPLES R CHINA
SP IEEE, IEEE Visualizat & Graph Tech Comm, IEEE Comp Soc
ID INTERACTIVE VISUAL ANALYSIS; EM ALGORITHM; LIKELIHOOD
AB Current simulations of turbulent flames are instrumented with particles to capture the dynamic behavior of combustion in next-generation engines. Categorizing the set of many millions of particles, each of which is featured with a history of its movement positions and changing thermo-chemical states, helps understand the turbulence mechanism. We introduce a dual-space method to analyze such data, starting by clustering the time series curves in the phase space of the data, and then visualizing the corresponding trajectories of each cluster in the physical space. To cluster time series curves, we adopt a model-based clustering technique in a two-stage scheme. In the first stage, the characteristics of shape and relative position are particularly concerned in classifying the time series curves, and in the second stage, within each group of curves, clustering is further conducted based on how the curves change over time. In our work, we perform the model-based clustering in a semi-supervised manner. Users' domain knowledge is integrated through intuitive interaction tools to steer the clustering process. Our dual-space method has been used to analyze particle data in combustion simulations and can also be applied to other scientific simulations involving particle trajectory analysis work.
C1 [Wei, Jishang; Ma, Kwan-Liu] Univ Calif Davis, Davis, CA 95616 USA.
[Yu, Hongfeng; Chen, Jacqueline H.] Sandia Natl Labs, Livermore, CA 94550 USA.
[Grout, Ray W.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Wei, JS (reprint author), Univ Calif Davis, Davis, CA 95616 USA.
EM jswei@ucdavis.edu; hyu@sandia.gov; Ray.Grout@nrel.gov;
jhchen@sandia.gov; ma@cs.ucdavis.edu
FU U.S. National Science Foundation [ACI-0749227, OCI-0950008, OCI0850566];
U.S. Department of Energy through the SciDAC program [FC02-06ER25777]
FX This research was supported in part by the U.S. National Science
Foundation through grants ACI-0749227, OCI- 0950008, and OCI0850566, and
the U.S. Department of Energy through the SciDAC program with Award No.
DE- FC02-06ER25777.
NR 34
TC 2
Z9 2
U1 0
U2 6
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1264 USA
SN 2165-8765
BN 978-1-61284-932-4
J9 IEEE PAC VIS SYMP
PY 2011
BP 91
EP 98
PG 8
WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic
SC Computer Science; Engineering
GA BEJ08
UT WOS:000316816300012
ER
PT S
AU Wang, CL
Yu, HF
Grout, RW
Ma, KL
Chen, JH
AF Wang, Chaoli
Yu, Hongfeng
Grout, Ray W.
Ma, Kwan-Liu
Chen, Jacqueline H.
BE DiBattista, G
Fekete, JD
Qu, H
TI Analyzing Information Transfer in Time-Varying Multivariate Data
SO IEEE PACIFIC VISUALIZATION SYMPOSIUM 2011
SE IEEE Pacific Visualization Symposium
LA English
DT Proceedings Paper
CT 4th IEEE Pacific Visualization Symposium
CY MAR 01-04, 2011
CL Hong Kong, PEOPLES R CHINA
SP IEEE, IEEE Visualizat & Graph Tech Comm, IEEE Comp Soc
ID VISUAL ANALYSIS; VISUALIZATION; FLOW
AB Effective analysis and visualization of time-varying multivariate data is crucial for understanding complex and dynamic variable interaction and temporal evolution. Advances made in this area are mainly on query-driven visualization and correlation exploration. Solutions and techniques that investigate the important aspect of causal relationships among variables have not been sought. In this paper, we present a new approach to analyzing and visualizing time-varying multivariate volumetric and particle data sets through the study of information flow using the information-theoretic concept of transfer entropy. We employ time plot and circular graph to show information transfer for an overview of relations among all pairs of variables. To intuitively illustrate the influence relation between a pair of variables in the visualization, we modulate the color saturation and opacity for volumetric data sets and present three different visual representations, namely, ellipse, smoke, and metaball, for particle data sets. We demonstrate this information-theoretic approach and present our findings with three time-varying multivariate data sets produced from scientific simulations.
C1 [Wang, Chaoli] Michigan Tech, Houghton, MI 49931 USA.
[Yu, Hongfeng; Chen, Jacqueline H.] Sandia Natl Labs, Livermore, CA 94551 USA.
[Grout, Ray W.] NREL, Golden, CO 80401 USA.
[Ma, Kwan-Liu] Univ Calif Davis, Davis, CA 95616 USA.
RP Wang, CL (reprint author), Michigan Tech, Houghton, MI 49931 USA.
EM chaoliw@mtu.edu; hyu@sandia.gov; ray.grout@nrel.gov; ma@cs.ucdavis.edu;
jhchen@sandia.gov
FU Michigan Technological University; U.S. National Science Foundation
[IIS-1017935, OCI-0749227, OCI-00905008, OCI-0850566]; U.S. Department
of Energy through the SciDAC program [DE-FC02-06ER25777]; DOE SciDAC
Program; Sandia Corporation; Lockheed Martin Company; DOE
[DE-AC04-94AL85000]
FX This work was supported by Michigan Technological University startup
fund, the U.S. National Science Foundation through grants IIS-1017935,
OCI-0749227, OCI-00905008, and OCI-0850566, and the U.S. Department of
Energy through the SciDAC program with Award No. DE-FC02-06ER25777. The
work at the Sandia National Laboratories (SNL) was supported by the DOE
SciDAC Program. SNL is a multi-programme laboratory operated by the
Sandia Corporation, a Lockheed Martin Company, for the DOE under
contract DE-AC04-94AL85000.
NR 23
TC 4
Z9 4
U1 0
U2 7
PU IEEE COMPUTER SOC
PI LOS ALAMITOS
PA 10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1264 USA
SN 2165-8765
BN 978-1-61284-932-4
J9 IEEE PAC VIS SYMP
PY 2011
BP 99
EP 106
PG 8
WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic
SC Computer Science; Engineering
GA BEJ08
UT WOS:000316816300013
ER
PT J
AU Marchiori, A
Hakkarinen, D
Han, Q
Earle, L
AF Marchiori, Alan
Hakkarinen, Douglas
Han, Qi
Earle, Lieko
TI Circuit-Level Load Monitoring for Household Energy Management
SO IEEE PERVASIVE COMPUTING
LA English
DT Article
C1 [Marchiori, Alan; Han, Qi] Colorado Sch Mines, Dept Math & Comp Sci, Golden, CO 80401 USA.
[Earle, Lieko] Natl Renewable Energy Lab, Elect Resources & Bldg Syst Integrat Ctr, Golden, CO USA.
RP Marchiori, A (reprint author), Colorado Sch Mines, Dept Math & Comp Sci, Golden, CO 80401 USA.
EM amarchio@mines.edu; dhakkari@mines.edu; qhan@mines.edu;
lieko.earle@nrel.gov
NR 7
TC 34
Z9 37
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 1536-1268
EI 1558-2590
J9 IEEE PERVAS COMPUT
JI IEEE Pervasive Comput.
PD JAN-MAR
PY 2011
VL 10
IS 1
BP 40
EP 48
DI 10.1109/MPRV.2010.72
PG 9
WC Computer Science, Information Systems; Engineering, Electrical &
Electronic; Telecommunications
SC Computer Science; Engineering; Telecommunications
GA 701SB
UT WOS:000285842200008
ER
PT J
AU Allen, DG
Hargett, T
Reno, JL
Zinn, AA
Wanke, MC
AF Allen, Dan G.
Hargett, Terry
Reno, John L.
Zinn, Alfred A.
Wanke, Michael C.
TI Index Tuning for Precise Frequency Selection of Terahertz Quantum
Cascade Lasers
SO IEEE PHOTONICS TECHNOLOGY LETTERS
LA English
DT Article
DE Distributed-feedback devices; laser tuning; local oscillators; quantum
cascade devices; submillimeter wave devices
ID METAL WAVE-GUIDES
AB We demonstrate precise shifts of terahertz quantum cascade laser frequencies by micron-scale changes to the duty cycle of a distributed-feedback grating, which alters the mode index, as an alternative to nanometer scale changes to the grating pitch. This method allows fabrication of lasers within a couple of gigahertz of a specific target frequency, enabling the temperature/bias to be independently optimized. Waveguides incorporating a central stripe were found to promote lasing on the fundamental lateral (TM00) mode, while an added oxide refill and metal cap made the lasers insensitive to wire bond locations for improved longitudinal mode control.
C1 [Allen, Dan G.; Hargett, Terry; Reno, John L.; Wanke, Michael C.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Zinn, Alfred A.] Lockheed Martin Space Syst, Palo Alto, CA 94089 USA.
RP Allen, DG (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM dgallen@sandia.gov; twharge@sandia.gov; jlreno@sandia.gov;
alfred.a.zinn@lmco.com; mcwanke@sandia.gov
FU United States Department of Energy's National Nuclear Security
Administration [DE-AC04-94AL85000]; Sandia LDRD; Lockheed Martin Shared
Vision
FX 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. This work was supported by the Lockheed Martin Shared
Vision and Sandia LDRD programs.
NR 11
TC 3
Z9 3
U1 5
U2 10
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1041-1135
J9 IEEE PHOTONIC TECH L
JI IEEE Photonics Technol. Lett.
PD JAN 1
PY 2011
VL 23
IS 1
BP 30
EP 32
DI 10.1109/LPT.2010.2090345
PG 3
WC Engineering, Electrical & Electronic; Optics; Physics, Applied
SC Engineering; Optics; Physics
GA 697JB
UT WOS:000285508700006
ER
PT J
AU Milberg, J
Schlenker, A
AF Milberg, Joshua
Schlenker, Ann
TI Plug into the Future
SO IEEE POWER & ENERGY MAGAZINE
LA English
DT Article
C1 [Milberg, Joshua] Chicago Dept Environm, Chicago, IL USA.
[Schlenker, Ann] Argonne Natl Lab, Ctr Transportat Res, Argonne, IL 60439 USA.
RP Milberg, J (reprint author), Chicago Dept Environm, Chicago, IL USA.
NR 0
TC 2
Z9 2
U1 0
U2 1
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1540-7977
J9 IEEE POWER ENERGY M
JI IEEE Power Energy Mag.
PD JAN-FEB
PY 2011
VL 9
IS 1
BP 56
EP 65
DI 10.1109/MPE.2010.939162
PG 10
WC Engineering, Electrical & Electronic
SC Engineering
GA 701SI
UT WOS:000285843200006
ER
PT J
AU Sanghavi, R
Nandasiri, M
Kuchibhatla, S
Jiang, WL
Varga, T
Nachimuthu, P
Engelhard, MH
Shutthanandan, V
Thevuthasan, S
Kayani, A
Prasad, S
AF Sanghavi, Rahul
Nandasiri, Manjula
Kuchibhatla, Satyanarayana
Jiang, Weilin
Varga, Tamas
Nachimuthu, Ponnusamy
Engelhard, Mark H.
Shutthanandan, Vaithiyalingam
Thevuthasan, Suntharampillai
Kayani, Asghar
Prasad, Shalini
TI Thickness Dependency of Thin-Film Samaria-Doped Ceria for Oxygen Sensing
SO IEEE SENSORS JOURNAL
LA English
DT Article
DE Hysteresis; oxygen sensor; samaria-doped ceria (SDC); thin film
ID SEMICONDUCTING METAL-OXIDES; GAS SENSOR; RESPONSE CHARACTERISTICS;
COMBUSTION GAS; TEMPERATURE
AB High-temperature oxygen sensors are widely used for exhaust gas monitoring in automobiles. This particular study explores the use of thin-film single crystalline samaria-doped ceria as the oxygen sensing material. Desired signal-to-noise ratio can be achieved in a material system with high conductance. From previous studies, it is established that 6 atomic percent samarium doping is the optimum concentration for thin-film samaria-doped ceria (SDC) to achieve high ionic conductivity. In this study, the conductance of the 6 atomic percent samaria-doped ceria (SDC) thin film is measured as a function of the sensing film thickness. Hysteresis and dynamic response of this sensing platform are tested for a range of oxygen pressures from 0.001 to 100 torr for temperatures above 673 K. An attempt has been made to understand the physics behind the thickness-dependent conductance of this sensing platform by developing a hypothetical operating model and through COMSOL simulations. This study can be used to identify the parameters required to construct a fast, reliable, and compact high-temperature oxygen sensor.
C1 [Sanghavi, Rahul; Prasad, Shalini] Arizona State Univ, Dept Elect Comp & Energy Engn, Tempe, AZ 85287 USA.
[Nandasiri, Manjula; Kayani, Asghar] Western Michigan Univ, Dept Phys, Kalamazoo, MI 49008 USA.
[Nandasiri, Manjula; Kuchibhatla, Satyanarayana; Jiang, Weilin; Varga, Tamas; Nachimuthu, Ponnusamy; Engelhard, Mark H.; Shutthanandan, Vaithiyalingam; Thevuthasan, Suntharampillai] EMSL, Richland, WA 99354 USA.
[Jiang, Weilin] Pacific NW Natl Lab, Richland, WA 99354 USA.
RP Sanghavi, R (reprint author), Arizona State Univ, Dept Elect Comp & Energy Engn, Tempe, AZ 85287 USA.
EM Shalini.Prasad.1@asu.edu; satya@pnl.gov; theva@pnl.gov
RI Engelhard, Mark/F-1317-2010
FU Department of Energy's Office of Biological and Environmental Research
FX This research was performed in part using EMSL, a national scientific
user facility sponsored by the Department of Energy's Office of
Biological and Environmental Research and located at Pacific Northwest
National Laboratory. The associate editor coordinating the review of
this paper and approving it for publication was Prof. Bernhard Jakoby.
NR 21
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Z9 12
U1 2
U2 13
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1530-437X
J9 IEEE SENS J
JI IEEE Sens. J.
PD JAN
PY 2011
VL 11
IS 1
BP 217
EP 224
DI 10.1109/JSEN.2010.2050766
PG 8
WC Engineering, Electrical & Electronic; Instruments & Instrumentation;
Physics, Applied
SC Engineering; Instruments & Instrumentation; Physics
GA 678QE
UT WOS:000284094100009
ER
PT J
AU Wohlberg, B
AF Wohlberg, Brendt
TI Inpainting by Joint Optimization of Linear Combinations of Exemplars
SO IEEE SIGNAL PROCESSING LETTERS
LA English
DT Article
DE Image inpainting; image completion; exemplar; patch; block; sparse
representation
AB Exemplar-based methods, in which actual image blocks are used to fill in missing content, have achieved state of the art performance in image inpainting. The majority of these adopt a progressive approach, filling in the missing region inwards from the boundary. The final result is highly dependent on fill order, and while significant progress has been made on the choice of this order, the greedy nature of such a process leads to artifacts in some cases. The alternative exemplar-based approach proposed here is defined via joint optimization of a single functional, simultaneously assigning an estimated value to the entire inpainting region. The results are found to be highly competitive with other recent inpainting methods.
C1 Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Wohlberg, B (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM brendt@lanl.gov
RI Wohlberg, Brendt/M-7764-2015
OI Wohlberg, Brendt/0000-0002-4767-1843
FU NNSA's Laboratory Directed Research and Development Program
FX This work was supported by the NNSA's Laboratory Directed Research and
Development Program. The associate editor coordinating the review of
this manuscript and approving it for publication was Prof. Kenneth E.
Barner.
NR 18
TC 11
Z9 13
U1 0
U2 3
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1070-9908
EI 1558-2361
J9 IEEE SIGNAL PROC LET
JI IEEE Signal Process. Lett.
PD JAN
PY 2011
VL 18
IS 1
BP 75
EP 78
DI 10.1109/LSP.2010.2095842
PG 4
WC Engineering, Electrical & Electronic
SC Engineering
GA 697NP
UT WOS:000285520600001
ER
PT J
AU Sundaresan, A
Varshney, PK
Rao, NSV
AF Sundaresan, Ashok
Varshney, Pramod K.
Rao, Nageswara S. V.
TI Copula-Based Fusion of Correlated Decisions
SO IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS
LA English
DT Article
ID SENSOR DETECTION SYSTEMS; DISTRIBUTED DETECTION; LOCAL DECISIONS;
COMPLEXITY; EXAMPLES
AB Detection of random signals under a distributed setting is considered. Due to the random nature of the spatial phenomenon being observed, the sensor decisions collected at the fusion center are correlated. Assuming that local detectors are single threshold binary quantizers, a novel approach for the fusion of correlated decisions is proposed using the theory of copulas. The proposed approach assumes only the knowledge of the marginal distribution of sensor observations but no prior knowledge of their joint distribution. Using a Neyman-Pearson (NP) framework for detection at the fusion center, the optimal fusion rule is derived. An example involving the detection of nuclear radiation is presented to illustrate the proposed approach, and results demonstrating the efficiency of the copula-based fusion rule are shown.
C1 [Sundaresan, Ashok; Varshney, Pramod K.] Syracuse Univ, Dept Elect Engn & Comp Sci, Syracuse, NY 13244 USA.
[Rao, Nageswara S. V.] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37830 USA.
RP Sundaresan, A (reprint author), Syracuse Univ, Dept Elect Engn & Comp Sci, 121 Link Hall, Syracuse, NY 13244 USA.
EM varshney@ecs.syr.edu
OI Rao, Nageswara/0000-0002-3408-5941
FU UT Battelle, LLC [4000053980]; Department of Energy [DE-AC05-00OR22725]
FX This material is based on work supported by UT Battelle, LLC Subcontract
4000053980, with funding originating from Department of Energy Contract
DE-AC05-00OR22725.
NR 22
TC 24
Z9 24
U1 0
U2 7
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0018-9251
J9 IEEE T AERO ELEC SYS
JI IEEE Trans. Aerosp. Electron. Syst.
PD JAN
PY 2011
VL 47
IS 1
BP 454
EP 471
DI 10.1109/TAES.2011.5705686
PG 18
WC Engineering, Aerospace; Engineering, Electrical & Electronic;
Telecommunications
SC Engineering; Telecommunications
GA 715YO
UT WOS:000286931800032
ER
PT J
AU Liserre, M
Balcells, J
Basso, T
Bialasiewicz, JT
Cecati, C
Chakraborty, S
Guerrero, JM
Kazerani, M
Kupzog, F
Nasiri, A
Palensky, P
Rodriguez, J
Rodriguez, P
Sauter, T
Teodorescu, R
AF Liserre, Marco
Balcells, Josep
Basso, Thomas
Bialasiewicz, Jan T.
Cecati, Carlo
Chakraborty, Sudipta
Guerrero, Josep M.
Kazerani, Mehrdad
Kupzog, Friederich
Nasiri, Adel
Palensky, Peter
Rodriguez, Jose
Rodriguez, Pedro
Sauter, Thilo
Teodorescu, Remus
TI SPECIAL SECTION ON RENEWABLE ENERGY SYSTEMS-PART I
SO IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
LA English
DT Editorial Material
C1 [Liserre, Marco] Polytech Univ Bari, I-70126 Bari, Italy.
[Balcells, Josep] Univ Politech Catalunya, Barcelona 08034, Spain.
[Basso, Thomas; Chakraborty, Sudipta] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Bialasiewicz, Jan T.] Univ Colorado, Dept Elect Engn, Denver, CO 80217 USA.
[Cecati, Carlo] Univ Aquila, Elect & Informat Engn Dept, I-67040 Laquila, Italy.
[Guerrero, Josep M.] Tech Univ Catalonia, Dept Automat Control Syst & Comp Engn, Barcelona 08028, Spain.
[Kazerani, Mehrdad] Univ Waterloo, Dept Elect & Comp Engn, Waterloo, ON N2L 3G1, Canada.
[Kupzog, Friederich] Vienna Univ Technol, Inst Comp Technol, A-1040 Vienna, Austria.
[Nasiri, Adel] Univ Wisconsin, Dept Elect Engn & Comp Sci, Milwaukee, WI 53201 USA.
[Palensky, Peter] AIT, A-1210 Vienna, Austria.
[Rodriguez, Jose] Univ Tecn Federico Santa Maria, Valparaiso 110 V, Chile.
[Rodriguez, Pedro] Univ Politecn Cataluna, Dept Elect Engn, Res Grp Renewable Elect Energy Syst, Barcelona 08036, Spain.
[Sauter, Thilo] Austrian Acad Sci, Inst Integraded Sensor Syst, A-2700 Wiener Neustadt, Austria.
[Teodorescu, Remus] Univ Aalborg, Inst Energy Technol, Power Elect & Drives Dept, DK-9220 Aalborg, Denmark.
RP Liserre, M (reprint author), Polytech Univ Bari, I-70126 Bari, Italy.
RI Rodriguez, Jose/A-2534-2013; RODRIGUEZ, PEDRO/C-8038-2013; Palensky,
Peter/J-7238-2013; Guerrero, Josep/D-5519-2014; Balcells,
Josep/F-2942-2016; researchers, ac3e/N-2008-2016; Teodorescu,
Remus/O-5224-2015
OI Palensky, Peter/0000-0003-3183-4705; Guerrero,
Josep/0000-0001-5236-4592; Balcells, Josep/0000-0001-7173-1255;
Teodorescu, Remus/0000-0002-2617-7168
NR 0
TC 2
Z9 2
U1 1
U2 12
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0278-0046
J9 IEEE T IND ELECTRON
JI IEEE Trans. Ind. Electron.
PD JAN
PY 2011
VL 58
IS 1
BP 2
EP 8
DI 10.1109/TIE.2010.2085210
PG 7
WC Automation & Control Systems; Engineering, Electrical & Electronic;
Instruments & Instrumentation
SC Automation & Control Systems; Engineering; Instruments & Instrumentation
GA 693TS
UT WOS:000285248900001
ER
PT J
AU Rosenthal, J
Edwards, N
Villanueva, D
Krishna, S
McDaniel, T
Panchanathan, S
AF Rosenthal, Jacob
Edwards, Nathan
Villanueva, Daniel
Krishna, Sreekar
McDaniel, Troy
Panchanathan, Sethuraman
TI Design, Implementation, and Case Study of a Pragmatic Vibrotactile Belt
SO IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
LA English
DT Article
DE Human factors; situational awareness; tactile displays; user-centered
design; vibrotactile learning tool
AB Recently, much research in the area of haptic technologies has focused on the development of waist-worn vibrotactile belts as substitution or augmentation modalities for audio-visual information. Vibrotactile belts have been used in varied applications, such as navigational aids, spatial orientation display, and balance control. Researchers have mostly focused on the functionality of these vibrotactile belts for specific applications while neglecting performance and usability. Considering the versatility of a vibrotactile belt, we previously conducted a study on the design requirements for vibrotactile belts and introduced an implementation based on these design guidelines. This paper builds on our previous work and provides details for the implementation of a ubiquitous wearable vibrotactile belt. A case study is presented in which the proposed belt was used by a researcher for a novel application of teaching participants choreographed dance. The usability of the belt is demonstrated from the researcher's perspective in terms of functionality and performance and from the participants' perspectives in terms of usability attributes such as comfort and unobtrusiveness.
C1 [Rosenthal, Jacob; Villanueva, Daniel; Krishna, Sreekar; McDaniel, Troy; Panchanathan, Sethuraman] Arizona State Univ, Tempe, AZ 85287 USA.
[Edwards, Nathan] Sandia Natl Labs, Albuquerque, NM 87123 USA.
EM sreekar.krishna@asu.edu
NR 30
TC 12
Z9 12
U1 0
U2 3
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0018-9456
J9 IEEE T INSTRUM MEAS
JI IEEE Trans. Instrum. Meas.
PD JAN
PY 2011
VL 60
IS 1
BP 114
EP 125
DI 10.1109/TIM.2010.2065830
PG 12
WC Engineering, Electrical & Electronic; Instruments & Instrumentation
SC Engineering; Instruments & Instrumentation
GA 691AN
UT WOS:000285052800012
ER
PT J
AU Katzenmeyer, AM
Leonard, F
Talin, AA
Toimil-Molares, ME
Cederberg, JG
Huang, JY
Lensch-Falk, JL
AF Katzenmeyer, A. M.
Leonard, F.
Talin, A. A.
Toimil-Molares, M. E.
Cederberg, J. G.
Huang, J. Y.
Lensch-Falk, J. L.
TI Observation of Space-Charge-Limited Transport in InAs Nanowires
SO IEEE TRANSACTIONS ON NANOTECHNOLOGY
LA English
DT Article
DE Carrier concentration; InAs; mobility; nanowires (NWs);
space-charge-limited (SCL)
ID FIELD-EFFECT TRANSISTORS; ACCUMULATION LAYER; ELECTRON-MOBILITY;
SURFACES; FILM
AB Recent theory and experiment have suggested that space-charge-limited (SCL) transport should be prevalent in high aspect ratio semiconducting nanowires (NWs). We report on InAs NWs exhibiting this mode of transport and utilize the underlying theory to determine the mobility and effective carrier concentration of individual NWs, both of which are found to be diameter dependent. Intentionally induced failure by Joule heating supports the notion of SCL transport and proposes reduced thermal conductivity due to the NWs' polymorphism.
C1 [Katzenmeyer, A. M.; Leonard, F.; Talin, A. A.; Toimil-Molares, M. E.; Lensch-Falk, J. L.] Sandia Natl Labs, Livermore, CA 94551 USA.
[Katzenmeyer, A. M.] Univ Calif Davis, Davis, CA 95616 USA.
[Talin, A. A.] Natl Inst Stand & Technol, Gaithersburg, MD 20899 USA.
[Toimil-Molares, M. E.] GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany.
[Cederberg, J. G.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Katzenmeyer, AM (reprint author), Sandia Natl Labs, Livermore, CA 94551 USA.
EM fleonar@sandia.gov
RI Sanders, Susan/G-1957-2011; Huang, Jianyu/C-5183-2008; Toimil-Molares,
Maria Eugenia/C-5946-2015; Katzenmeyer, Aaron/F-7961-2014
OI Katzenmeyer, Aaron/0000-0002-5755-8537
FU Laboratory Directed Research and Development at Sandia National
Laboratories; United States Department of Energy [DE-AC04-94-AL85000]
FX Manuscript received December 22, 2009; accepted July 14, 2010. Date of
publication July 29, 2010; date of current version January 26, 2011.
This work was supported in part by the Laboratory Directed Research and
Development program at Sandia National Laboratories, a multiprogram
laboratory operated by Sandia Corporation, and in part by the Lockheed
Martin Company, for the United States Department of Energy under
Contract DE-AC04-94-AL85000. The review of this paper was arranged by
Associate Editor M. M. De Souza.
NR 25
TC 21
Z9 21
U1 2
U2 14
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1536-125X
J9 IEEE T NANOTECHNOL
JI IEEE Trans. Nanotechnol.
PD JAN
PY 2011
VL 10
IS 1
BP 92
EP 95
DI 10.1109/TNANO.2010.2062198
PG 4
WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology;
Materials Science, Multidisciplinary; Physics, Applied
SC Engineering; Science & Technology - Other Topics; Materials Science;
Physics
GA 715ZF
UT WOS:000286933800016
ER
PT J
AU Lasseter, RH
Eto, JH
Schenkman, B
Stevens, J
Vollkommer, H
Klapp, D
Linton, E
Hurtado, H
Roy, J
AF Lasseter, R. H.
Eto, J. H.
Schenkman, B.
Stevens, J.
Vollkommer, H.
Klapp, D.
Linton, E.
Hurtado, H.
Roy, J.
TI CERTS Microgrid Laboratory Test Bed
SO IEEE TRANSACTIONS ON POWER DELIVERY
LA English
DT Article
DE CHP; uninterruptible power supply (UPS); distributed generation;
intentional islanding; inverters; microgrid; CERTS; power versus
frequency droop; voltage droop
AB The CERTS Microgrid concept captures the emerging potential of distributed generation using a system approach. CERTS views generation and associated loads as a subsystem or a "microgrid." The sources can operate in parallel to the grid or can operate in island, providing uninterruptible power-supply services. The system can disconnect from the utility during large events (i.e., faults, voltage collapses), but may also intentionally disconnect when the quality of power from the grid falls below certain standards. CERTS Microgrid concepts were demonstrated at a full-scale test bed built near Columbus, OH, and operated by American Electric Power. The testing fully confirmed earlier research that had been conducted initially through analytical simulations, then through laboratory emulations, and finally through factory acceptance testing of individual microgrid components. The islanding and resynchronization method met all Institute of Electrical and Electronics Engineers Standard 1547 and power-quality requirements. The electrical protection system was able to distinguish between normal and faulted operation. The controls were found to be robust under all conditions, including difficult motor starts and high impedance faults.
C1 [Lasseter, R. H.] Univ Wisconsin, Madison, WI USA.
[Eto, J. H.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Schenkman, B.; Stevens, J.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Vollkommer, H.; Klapp, D.] Amer Elect Power Co, Dolan Technol Ctr, Columbus, OH 43215 USA.
[Linton, E.; Hurtado, H.] No Power Syst, Waitsfield, VT 05673 USA.
[Roy, J.] Tecogen Inc, Waltham, MA 02451 USA.
RP Lasseter, RH (reprint author), Univ Wisconsin, Madison, WI USA.
EM lasseter@engr.wisc.edu; JHEto@lbl.gov; blschen@sandia.gov;
htvollkommer@aep.com; daklapp@aep.com; elinton@northernpower.com;
HHurtado@northern-power.com; Jean.Roy@Tecogen.com
FU California Energy Commission [500-02-004]
FX This work was supported by the Public Interest Energy Research (PIER)
Program of the California Energy Commission under Contract No.
500-02-004, Commission Work Authorization No: MR-041. Paper no.
TPWRD-00220-2009.
NR 10
TC 137
Z9 154
U1 1
U2 40
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0885-8977
J9 IEEE T POWER DELIVER
JI IEEE Trans. Power Deliv.
PD JAN
PY 2011
VL 26
IS 1
BP 325
EP 332
DI 10.1109/TPWRD.2010.2051819
PG 8
WC Engineering, Electrical & Electronic
SC Engineering
GA 701TF
UT WOS:000285845600037
ER
PT J
AU Omitaomu, OA
Jeong, MK
Badiru, AB
AF Omitaomu, Olufemi A.
Jeong, Myong K.
Badiru, Adedeji B.
TI Online Support Vector Regression With Varying Parameters for
Time-Dependent Data
SO IEEE TRANSACTIONS ON SYSTEMS MAN AND CYBERNETICS PART A-SYSTEMS AND
HUMANS
LA English
DT Article
DE Condition monitoring; inferential sensing; online prediction; support
vector machine; system diagnosis
ID SYSTEMS; TESTS; NOISE
AB Support vector regression (SVR) is a machine learning technique that continues to receive interest in several domains, including manufacturing, engineering, and medicine. In order to extend its application to problems in which data sets arrive constantly and in which batch processing of the data sets is infeasible or expensive, an accurate online SVR (AOSVR) technique was proposed. The AOSVR technique efficiently updates a trained SVR function whenever a sample is added to or removed from the training set without retraining the entire training data. However, the AOSVR technique assumes that the new samples and the training samples are of the same characteristics; hence, the same value of SVR parameters is used for training and prediction. This assumption is not applicable to data samples that are inherently noisy and nonstationary, such as sensor data. As a result, we propose AOSVR with varying parameters that uses varying SVR parameters rather than fixed SVR parameters and hence accounts for the variability that may exist in the samples. To accomplish this objective, we also propose a generalized weight function to automatically update the weights of SVR parameters in online monitoring applications. The proposed function allows for lower and upper bounds for SVR parameters. We tested our proposed approach and compared results with the conventional AOSVR approach using two benchmark time-series data and sensor data from a nuclear power plant. The results show that using varying SVR parameters is more applicable to time-dependent data.
C1 [Omitaomu, Olufemi A.] Oak Ridge Natl Lab, Computat Sci & Engn Div, Oak Ridge, TN 37831 USA.
[Jeong, Myong K.] Rutgers State Univ, Dept Ind & Syst Engn, New Brunswick, NJ 08854 USA.
[Jeong, Myong K.] Rutgers State Univ, RUTCOR, New Brunswick, NJ 08854 USA.
[Jeong, Myong K.] Korea Adv Inst Sci & Technol, Dept Ind & Syst Engn, Taejon 305701, South Korea.
[Badiru, Adedeji B.] USAF, Inst Technol, Dept Syst & Engn Management, AFIT ENV, Dayton, OH 45433 USA.
RP Omitaomu, OA (reprint author), Oak Ridge Natl Lab, Computat Sci & Engn Div, Oak Ridge, TN 37831 USA.
EM omitaomuoa@ornl.gov; mjeong@rci.rutgers.edu; Adedeji.Badiru@afit.edu
NR 16
TC 14
Z9 15
U1 1
U2 8
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 1083-4427
EI 1558-2426
J9 IEEE T SYST MAN CY A
JI IEEE Trans. Syst. Man Cybern. Paart A-Syst. Hum.
PD JAN
PY 2011
VL 41
IS 1
BP 191
EP 197
DI 10.1109/TSMCA.2010.2055156
PG 7
WC Computer Science, Cybernetics; Computer Science, Theory & Methods
SC Computer Science
GA 678QQ
UT WOS:000284095400018
ER
PT J
AU McCloy, JS
Korolev, KA
Li, ZJ
Afsar, MN
Sundaram, SK
AF McCloy, John S.
Korolev, Konstantin A.
Li, Zijing
Afsar, Mohammed N.
Sundaram, Shanmugavelayutham K.
TI Millimeter-Wave Dielectric Properties of Single-Crystal Ferroelectric
and Dielectric Materials
SO IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL
LA English
DT Article
ID FREE PIEZOELECTRIC CERAMICS; SOFT-MODE SPECTROSCOPY; LITHIUM-NIOBATE;
BISMUTH-GERMANATE; FERROMAGNETIC-RESONANCE; MICROWAVE-FREQUENCIES;
STRONTIUM-TITANATE; RAMAN-SPECTROSCOPY; PHASE-TRANSITIONS; DOMAIN
CRYSTALS
AB Transmittance measurements on various single crystal ferroelectric and dielectric materials, BaTiO3, SrTiO3, LiNbO3, LiTaO3, (PbMg1/3Nb2/3O3)(0.73)-(PbTiO3)(0.27), LaAlO3, and Bi4Ge3O12,, over a broad millimeter-wave (MMW) frequency range have been performed. Frequency dependence of the complex dielectric permittivity has been measured in the MMW region using high-power sources for the first time, using a free-space, quasi-optical MMW spectrometer equipped with high-power backward wave oscillators (BWOs) as sources of coherent radiation, tunable in the range from 30 to 120 and 180 to 260 GHz. These results are compared with MMW permittivity of these materials obtained by other methods as well as to RF, microwave, and optical frequency permittivities for all the materials tested. The effects of both crystallographic orientation and quality of the surface polishing of the crystals have been examined. Uncertainties and possible sources of instrumentation and measurement errors related to the free-space MMW technique are discussed. This work demonstrates that precise MMW permittivity data can be obtained even on relatively small and thin crystals of different surface conditions and orientations using the high-power BWO-based quasi-optical approach.
C1 [McCloy, John S.; Sundaram, Shanmugavelayutham K.] Pacific NW Natl Lab, Glass & Mat Sci Team, Richland, WA 99352 USA.
[Korolev, Konstantin A.; Li, Zijing; Afsar, Mohammed N.] Tufts Univ, Dept Elect & Comp Engn, High Frequency Mat Measurement & Informat Ctr, Medford, MA 02155 USA.
[Korolev, Konstantin A.] Boston Coll, Dept Phys, Chestnut Hill, MA 02167 USA.
[Korolev, Konstantin A.] Extremely High Frequency Med & Tech Assoc, Moscow, Russia.
RP McCloy, JS (reprint author), Pacific NW Natl Lab, Glass & Mat Sci Team, Richland, WA 99352 USA.
EM john.mccloy@pnl.gov
RI Afsar, Mohammed/H-5930-2013; McCloy, John/D-3630-2013
OI McCloy, John/0000-0001-7476-7771
FU Defense Threat Research Agency [09-46921]; U.S. Department of Energy by
Battelle [DE-AC05-76RL01830]
FX This work was supported in part by the Defense Threat Research Agency
grant number 09-46921. Pacific Northwest National Laboratory is operated
for the U.S. Department of Energy by Battelle under Contract
DE-AC05-76RL01830.
NR 81
TC 4
Z9 4
U1 0
U2 22
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0885-3010
EI 1525-8955
J9 IEEE T ULTRASON FERR
JI IEEE Trans. Ultrason. Ferroelectr. Freq. Control
PD JAN
PY 2011
VL 58
IS 1
BP 18
EP 29
DI 10.1109/TUFFC.2011.1770
PG 12
WC Acoustics; Engineering, Electrical & Electronic
SC Acoustics; Engineering
GA 708TB
UT WOS:000286386100003
PM 21244971
ER
PT J
AU Peng, QY
Zhang, LQ
AF Peng, Qiyu
Zhang, Li-Qun
TI High-Resolution Ultrasound Displacement Measurement Using Coded
Excitations
SO IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL
LA English
DT Article
ID MEDICAL ULTRASOUND; PROCESSING TECHNIQUES; DOPPLER VELOCIMETRY; PULSE
EXCITATION; IMAGING-SYSTEMS; COLORED NOISE; PART II; SIGNALS; REDUCTION;
AGREEMENT
AB Resolution of displacement measurements based on ultrasound pulse-echo techniques is limited by the center frequency of the transmitted wave, echo sampling rate, quantization errors, and electronic noises in the measurement system. We developed a new method utilizing the clutter signal in coded excitations to determine the displacement of an object or a desired region of an object with much improved resolution. The method includes transmitting a pair of Golay complementary sequences, receiving echoes from the object or a region of the object, compressing the pulse, eliminating the main lobe, and determining the object displacement between the two transmissions from the residual clutter signal around the main lobe of the compressed pulse. Results of computer simulations showed that the new method improved the resolution by several orders of magnitude and was more robust to noise than traditional pulse-echo methods. The new method was also evaluated using an experimental ultrasound system (10 MHz center frequency, 100 MHz sampling rate, and 8-bit sampling precision). A high precision in the displacement measurement was achieved with a measurement error of -5.76 nm +/- 36.27 nm (mean +/- standard deviation). The method has the potential to be applied in biomedical and industrial measurements of distance, displacement, and thickness.
C1 [Peng, Qiyu; Zhang, Li-Qun] Rehabtek LLC, Wilmette, IL 60091 USA.
[Peng, Qiyu] Univ Calif Berkeley, Lawrence Berkeley Lab, Dept Radiotracer Dev & Imaging Technol, Berkeley, CA 94720 USA.
[Zhang, Li-Qun] Rehabil Inst Chicago, Chicago, IL 60611 USA.
[Zhang, Li-Qun] Northwestern Univ, Chicago, IL 60611 USA.
RP Peng, QY (reprint author), Rehabtek LLC, Wilmette, IL 60091 USA.
EM l-zhang@northwestern.edu
RI peng, qiyu/G-1586-2013
NR 30
TC 9
Z9 11
U1 3
U2 7
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0885-3010
J9 IEEE T ULTRASON FERR
JI IEEE Trans. Ultrason. Ferroelectr. Freq. Control
PD JAN
PY 2011
VL 58
IS 1
BP 122
EP 133
DI 10.1109/TUFFC.2011.1779
PG 12
WC Acoustics; Engineering, Electrical & Electronic
SC Acoustics; Engineering
GA 708TB
UT WOS:000286386100012
PM 21244980
ER
PT J
AU Balogun, O
Cole, GD
Huber, R
Chinn, D
Murray, TW
Spicer, JB
AF Balogun, Oluwaseyi
Cole, Garrett D.
Huber, Robert
Chinn, Diane
Murray, Todd W.
Spicer, James B.
TI High-Spatial-Resolution Sub-Surface Imaging Using a Laser-Based Acoustic
Microscopy Technique
SO IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL
LA English
DT Article
ID VELOCITY LAMB MODES; GENERATED ULTRASOUND; THIN-FILMS; WAVES;
TRANSIENTS; PULSES; PLATE
AB Scanning acoustic microscopy techniques operating at frequencies in the gigahertz range are suitable for the elastic characterization and interior imaging of solid media with micrometer-scale spatial resolution. Acoustic wave propagation at these frequencies is strongly limited by energy losses, particularly from attenuation in the coupling media used to transmit ultrasound to a specimen, leading to a decrease in the depth in a specimen that can be interrogated. In this work, a laser-based acoustic microscopy technique is presented that uses a pulsed laser source for the generation of broadband acoustic waves and an optical interferometer for detection. The use of a 900-ps microchip pulsed laser facilitates the generation of acoustic waves with frequencies extending up to 1 GHz which allows for the resolution of micrometer-scale features in a specimen. Furthermore, the combination of optical generation and detection approaches eliminates the use of an ultrasonic coupling medium, and allows for elastic characterization and interior imaging at penetration depths on the order of several hundred micrometers. Experimental results illustrating the use of the laser-based acoustic microscopy technique for imaging micrometer-scale subsurface geometrical features in a 70-mu m-thick single-crystal silicon wafer with a (100) orientation are presented.
C1 [Balogun, Oluwaseyi] Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA.
[Cole, Garrett D.; Huber, Robert; Chinn, Diane] Lawrence Livermore Natl Lab, Livermore, CA USA.
[Murray, Todd W.] Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA.
[Spicer, James B.] Johns Hopkins Univ, Dept Mat Sci & Engn, Baltimore, MD 21218 USA.
RP Balogun, O (reprint author), Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA.
EM o-balogun@northwestern.edu
RI Cole, Garrett/B-9383-2011; Balogun, Oluwaseyi/B-7543-2009
FU U.S. Department of Energy by the University of California, Lawrence
Livermore National Laboratory [W-7405-Eng-48]; U.S. Department of
Energy, Office of Basic Energy Sciences [DEFG0203ER46090]; National
Science Foundation [CMS-0448796]
FX This work was performed under the auspices of the U.S. Department of
Energy by the University of California, Lawrence Livermore National
Laboratory under Contract No. W-7405-Eng-48 and was based on work
supported by, or in part by, the U.S. Department of Energy, Office of
Basic Energy Sciences under grant number DEFG0203ER46090. One of the
authors, T. W. Murray, acknowledges the support provided for this work
by the National Science Foundation under grant number CMS-0448796.
NR 34
TC 5
Z9 6
U1 2
U2 33
PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
PI PISCATAWAY
PA 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
SN 0885-3010
J9 IEEE T ULTRASON FERR
JI IEEE Trans. Ultrason. Ferroelectr. Freq. Control
PD JAN
PY 2011
VL 58
IS 1
BP 226
EP 233
DI 10.1109/TUFFC.2011.1789
PG 8
WC Acoustics; Engineering, Electrical & Electronic
SC Acoustics; Engineering
GA 708TB
UT WOS:000286386100022
PM 21244990
ER
PT S
AU Pankin, AY
Callen, JD
Cary, JR
Groebner, RJ
Hakim, A
Kruger, SE
Pletzer, A
Shasharina, S
Vadlamani, S
Cohen, RH
Kritz, AH
Rognlien, TD
Rafiq, T
AF Pankin, A. Y.
Callen, J. D.
Cary, J. R.
Groebner, R. J.
Hakim, A.
Kruger, S. E.
Pletzer, A.
Shasharina, S.
Vadlamani, S.
Cohen, R. H.
Kritz, A. H.
Rognlien, T. D.
Rafiq, T.
CA FACETS Team
BE Weiland, J
Lazzaro, E
TI Stress Tests of Transport Models Using FACETS Code
SO IFP-CNR-CHALMERS WORKSHOP ON NONLINEAR PHENOMENA IN FUSION PLASMAS
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT IFP-CNR-Chalmers Workshop on Nonlinear Phenomena in Fusion Plasmas
CY JUN 08-10, 2011
CL Varenna, ITALY
SP Chalmers Univ Technol, Ist Fisica Plasma
AB The confinement of H-mode plasmas strongly depends on the H-mode pedestal structure. The pedestal provides the boundary conditions for the hot core tokamak region and determines the stability properties of the plasma edge. The structure of H-mode pedestal depends on many factors such as heating of the plasma core, neutral fueling, recycling and density and thermal transport. It is important to elucidate the primary mechanisms that are responsible for the pedestal structure in order to optimize the tokamak performance, and avoid disruptions and large scale instabilities such as neoclassical tearing mode (NTM) and edge localized modes (ELMs). In this study, the FACETS code is used to test several models for anomalous, paleoclassical and neoclassical transport in the plasma edge of tokamaks. The FACETS code is a new whole-device integrated modeling code that advances plasma profiles in time using a selection of transport models and models for heating and particle sources. The simulation results are compared with experimental measurements from the DIII-D tokamak.
C1 [Pankin, A. Y.; Cary, J. R.; Hakim, A.; Kruger, S. E.; Pletzer, A.; Shasharina, S.; Vadlamani, S.] Tech X Corp, Boulder, CO 80303 USA.
[Callen, J. D.] Univ Wisconsin, Madison, WI 53706 USA.
[Groebner, R. J.] Gen Atom, San Diego, CA 92121 USA.
[Cohen, R. H.; Rognlien, T. D.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Kritz, A. H.; Rafiq, T.; FACETS Team] Lehigh Univ, Bethlehem, PA 18015 USA.
RP Pankin, AY (reprint author), Tech X Corp, Boulder, CO 80303 USA.
FU US Department of Energy
FX This research is supported by US Department of Energy.
NR 11
TC 2
Z9 2
U1 0
U2 2
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0962-0
J9 AIP CONF PROC
PY 2011
VL 1392
DI 10.1063/1.3647237
PG 6
WC Physics, Fluids & Plasmas; Physics, Multidisciplinary
SC Physics
GA BZD60
UT WOS:000301174700012
ER
PT B
AU Cuellar, L
Pan, F
Roach, F
Saeger, K
AF Cuellar, Leticia
Pan, Feng
Roach, Fred
Saeger, Kevin
BE Baralt, J
Callaos, N
Chu, HW
Lesso, W
Savoie, MJ
Siddique, M
Zinn, CD
TI Distributional Properties of Stochastic Shortest Paths for Smuggled
Nuclear Material
SO IMCIC'11: THE 2ND INTERNATIONAL MULTI-CONFERENCE ON COMPLEXITY,
INFORMATICS AND CYBERNETICS, VOL I
LA English
DT Proceedings Paper
CT 2nd International Multi-Conference on Complexity, Informatics and
Cybernetics (IMCIC 2011)
CY MAR 27-30, 2011
CL Orlando, FL
SP Int Inst Informat & Syst
DE Stochastic shortest path; network
AB The shortest path problem on a network with fixed weights is a well studied problem with applications to many diverse areas such as transportation and telecommunications. We are particularly interested in the scenario where a nuclear material smuggler tries to succesfully reach her/his target by identifying the most likely path to the target. The identification of the path relies on reliabilities (weights) associated with each link and node in a multi-modal transportation network. In order to account for the adversary's uncertainty and to perform sensitivity analysis we introduce random reliabilities. We perform some controlled experiments on the grid and present the distributional properties of the resulting stochastic shortest paths.
C1 [Cuellar, Leticia; Pan, Feng; Roach, Fred; Saeger, Kevin] Los Alamos Natl Lab, Risk Anal & Decis Support Syst D 6, Los Alamos, NM 87545 USA.
RP Cuellar, L (reprint author), Los Alamos Natl Lab, Risk Anal & Decis Support Syst D 6, Los Alamos, NM 87545 USA.
NR 6
TC 0
Z9 0
U1 0
U2 0
PU INT INST INFORMATICS & SYSTEMICS
PI ORLANDO
PA 14269 LORD BARCLAY DR, ORLANDO, FL 32837 USA
BN 978-1-936338-20-7
PY 2011
BP 78
EP 84
PG 7
WC Computer Science, Cybernetics; Computer Science, Information Systems;
Computer Science, Theory & Methods
SC Computer Science
GA BG9HO
UT WOS:000393240300015
ER
PT B
AU Braiman, A
Thundat, T
Rudakov, F
AF Braiman, Avital
Thundat, Thomas
Rudakov, Fedor
BE Callaos, N
Chu, HW
Ferrer, J
Tremante, A
Zinn, CD
TI DNA Separation by Surface Electrophoresis
SO IMETI 2011: 4TH INTERNATIONAL MULTI-CONFERENCE ON ENGINEERING AND
TECHNOLOGICAL INNOVATION, VOL I
LA English
DT Proceedings Paper
CT 4th International Multi-Conference on Engineering and Technological
Innovation
CY JUL 19-22, 2011
CL Orlando, FL
SP Int Inst Informat & Syst
C1 [Braiman, Avital] Brown Univ, Div Engn, Providence, RI 02912 USA.
[Braiman, Avital; Rudakov, Fedor] Oak Ridge Natl Lab, Ctr Engn Sci Adv Res, Comp Sci & Math Div, Oak Ridge, TN 37831 USA.
[Thundat, Thomas] Univ Alberta, Dept Chem & Mat Engn, Edmonton, AB T6G 2V4, Canada.
RP Braiman, A (reprint author), Brown Univ, Div Engn, Providence, RI 02912 USA.
NR 8
TC 0
Z9 0
U1 0
U2 0
PU INT INST INFORMATICS & SYSTEMICS
PI ORLANDO
PA 14269 LORD BARCLAY DR, ORLANDO, FL 32837 USA
BN 978-1-936338-36-8
PY 2011
BP 6
EP 7
PG 2
WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic
SC Computer Science; Engineering
GA BG8OJ
UT WOS:000392552900002
ER
PT B
AU Zaeem, MA
Yin, HB
Felicelli, SD
AF Zaeem, Mohsen Asle
Yin, Hebi
Felicelli, Sergio D.
BE Callaos, N
Chu, HW
Ferrer, J
Tremante, A
Zinn, CD
TI Comparison of Cellular Automaton and Phase-Field Models to Simulate
Dendritic Solidification
SO IMETI 2011: 4TH INTERNATIONAL MULTI-CONFERENCE ON ENGINEERING AND
TECHNOLOGICAL INNOVATION, VOL I
LA English
DT Proceedings Paper
CT 4th International Multi-Conference on Engineering and Technological
Innovation
CY JUL 19-22, 2011
CL Orlando, FL
SP Int Inst Informat & Syst
DE Cellular automaton; Phase-field model; Finite element; Dendrite growth;
Aluminum alloy; Magnesium alloy
ID FINITE-ELEMENT-METHOD; GROWTH; TRANSFORMATION
AB In this work, a cellular automaton (CA) finite element (FE) model and a phase-field (PF) FE model were developed to simulate dendritic solidification of both cubic and hexagonal crystal materials. Validation of the both models was performed by comparing the simulation results to the analytical model developed by Lipton-Glicksman-Kurz (LGK), showing qualitatively good agreement in the tip growth velocity at a given melt undercooling. Dendritic solidification in cubic materials is illustrated by simulating the solidification in aluminum alloy Al-3wt%Cu. Results show that both models successfully simulate multiple arbitrarily-oriented dendrites for cubic materials. Application to magnesium alloy AZ91 (approximated with the binary Mg-8.9wt%Al), illustrates the difficulty of modeling dendrite growth in hexagonal systems using CA FE regarding mesh-induced anisotropy and a better performance of PF FE in modeling multiple arbitrarily-oriented dendrites.
C1 [Zaeem, Mohsen Asle; Felicelli, Sergio D.] Mississippi State Univ, Ctr Adv Vehicular Syst, Starkville, MS 39759 USA.
[Yin, Hebi] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Felicelli, Sergio D.] Mississippi State Univ, Dept Mech Engn, Starkville, MS 39759 USA.
RP Zaeem, MA (reprint author), Mississippi State Univ, Ctr Adv Vehicular Syst, Starkville, MS 39759 USA.
EM mohsen@cavs.msstate.edu
OI Asle Zaeem, Mohsen/0000-0002-5164-6122
NR 15
TC 0
Z9 0
U1 0
U2 0
PU INT INST INFORMATICS & SYSTEMICS
PI ORLANDO
PA 14269 LORD BARCLAY DR, ORLANDO, FL 32837 USA
BN 978-1-936338-36-8
PY 2011
BP 183
EP 186
PG 4
WC Computer Science, Theory & Methods; Engineering, Electrical & Electronic
SC Computer Science; Engineering
GA BG8OJ
UT WOS:000392552900034
ER
PT J
AU Dong, X
AF Dong, X.
CA STAR Collaboration
TI Measurement of D* mesons in jets from p plus p collisions at root s=200
GeV
SO INDIAN JOURNAL OF PHYSICS
LA English
DT Article
DE Heavy ion collision; Heavy quark production; jets
ID Z DECAYS; PHYSICS
AB We report the measurement of charged D* mesons in jets produced in proton-proton collisions at a center of mass energy root s = 200 GeV with the STAR experiment at RHIC. The production rate is found to be N(D*(+) + D*(-))/N (jet) = 0.015 +/- 0.008 (stat) +/- 0.007 (sys) for D* mesons with fractional momenta 0.2 < z < 0.5 in jets with 11.5 GeV mean transverse energy. This rate is consistent with perturbative QCD evalulation of gluon splitting into a pair of charm quarks and subsequent hadronization.
C1 [Dong, X.; STAR Collaboration] Lawrence Berkeley Natl Lab, Berkeley, CA USA.
RP Dong, X (reprint author), Lawrence Berkeley Natl Lab, Berkeley, CA USA.
EM XDong@lbl.gov
NR 18
TC 0
Z9 0
U1 0
U2 1
PU INDIAN ASSOC CULTIVATION SCIENCE
PI KOLKATA
PA INDIAN J PHYSICS, JADAVPUR, KOLKATA 700 032, INDIA
SN 0973-1458
J9 INDIAN J PHYS
JI Indian J. Phys.
PD JAN
PY 2011
VL 85
IS 1
BP 33
EP 38
DI 10.1007/s12648-011-0014-x
PG 6
WC Physics, Multidisciplinary
SC Physics
GA 756CE
UT WOS:000289988500005
ER
PT J
AU Hegdea, P
Karsch, F
Laermann, E
Scheredin, S
AF Hegdea, P.
Karsch, F.
Laermann, E.
Scheredin, S.
TI Cutoff effects in lattice actions at A mu not equal 0
SO INDIAN JOURNAL OF PHYSICS
LA English
DT Article
DE Lattice QCD; quantum chorodynamics
AB We look at the cutoff dependence of several lattice actions, including two improved actions viz. Naik and p4, and and chirally-invariant ones, namely fixed-point, overlap and domain-wall, with the aim of understanding its behavior at A mu not equal 0. Apart from numerical results, we also derive a series expansion in N (r) (-1) for the free-gas pressure. We find that actions with O(a (n) )-improved rotational invariance produce O(a (n) )-improvement in the pressure. The series for unimproved overlap and domain-wall fermions are identical to the naive series, and hence using Naik or p 4 kernels should produce improvement in these formulations as well. Lastly, we find that actions that are improved at A mu = 0 remain so as the chemical potential is turned on. The series coefficients become A mu-dependent now, however their functional form at any given order is the same for all actions.
C1 [Laermann, E.; Scheredin, S.] Univ Bielefeld, Fak Phys, D-33615 Bielefeld, Germany.
[Karsch, F.] Brookhaven Natl Lab, Upton, NY 11733 USA.
[Hegdea, P.] SUNY Stony Brook, Stony Brook, NY 11794 USA.
RP Scheredin, S (reprint author), Univ Bielefeld, Fak Phys, D-33615 Bielefeld, Germany.
EM shchered@physik.uni-bielefeld.de
FU DFG [GRK/881]; EU [RII3-CT-2004-506078]; BMBF [06BI106]; U S Department
of Energy [DE-AC02-98CH10886]
FX SS has been supported by the DFG grant GRK/881 and by the EU under the
contract no. RII3-CT-2004-506078. FK and EL acknowledge partial support
through a grant of the BMBF under contract no. 06BI106. The work of FK
and PH has been supported by a contract DE-AC02-98CH10886 with the U S
Department of Energy.
NR 7
TC 0
Z9 0
U1 0
U2 0
PU INDIAN ASSOC CULTIVATION SCIENCE
PI KOLKATA
PA INDIAN J PHYSICS, JADAVPUR, KOLKATA 700 032, INDIA
SN 0973-1458
J9 INDIAN J PHYS
JI Indian J. Phys.
PD JAN
PY 2011
VL 85
IS 1
BP 129
EP 134
DI 10.1007/s12648-011-0030-x
PG 6
WC Physics, Multidisciplinary
SC Physics
GA 756CE
UT WOS:000289988500021
ER
PT J
AU McDermott, JE
Corrigan, A
Peterson, E
Oehmen, C
Niemann, G
Cambronne, ED
Sharp, D
Adkins, JN
Samudrala, R
Heffron, F
AF McDermott, Jason E.
Corrigan, Abigail
Peterson, Elena
Oehmen, Christopher
Niemann, George
Cambronne, Eric D.
Sharp, Danna
Adkins, Joshua N.
Samudrala, Ram
Heffron, Fred
TI Computational Prediction of Type III and IV Secreted Effectors in
Gram-Negative Bacteria
SO INFECTION AND IMMUNITY
LA English
DT Review
ID ENTERICA SEROVAR TYPHIMURIUM; SUPPORT VECTOR MACHINE; NUCLEOTIDE
EXCHANGE FACTOR; REMOTE HOMOLOGY DETECTION; SMALL-MOLECULE INHIBITORS;
TERMINAL TRANSLOCATION SIGNAL; LEGIONELLA-PNEUMOPHILA;
PSEUDOMONAS-SYRINGAE; PROTEIN SECRETION; FUNCTIONAL CONSERVATION
AB In this review, we provide an overview of the methods employed in four recent studies that described novel methods for computational prediction of secreted effectors from type III and IV secretion systems in Gram-negative bacteria. We present the results of these studies in terms of performance at accurately predicting secreted effectors and similarities found between secretion signals that may reflect biologically relevant features for recognition. We discuss the Web-based tools for secreted effector prediction described in these studies and announce the availability of our tool, the SIEVE server (http://www.sysbep.org/sieve). Finally, we assess the accuracies of the three type III effector prediction methods on a small set of proteins not known prior to the development of these tools that we recently discovered and validated using both experimental and computational approaches. Our comparison shows that all methods use similar approaches and, in general, arrive at similar conclusions. We discuss the possibility of an order-dependent motif in the secretion signal, which was a point of disagreement in the studies. Our results show that there may be classes of effectors in which the signal has a loosely defined motif and others in which secretion is dependent only on compositional biases. Computational prediction of secreted effectors from protein sequences represents an important step toward better understanding the interaction between pathogens and hosts.
C1 [McDermott, Jason E.; Oehmen, Christopher] Pacific NW Natl Lab, Computat Biol & Bioinformat Grp, Richland, WA 99352 USA.
[Niemann, George; Cambronne, Eric D.; Heffron, Fred] Oregon Hlth & Sci Univ, Dept Mol Microbiol & Immunol, Portland, OR 97201 USA.
[Sharp, Danna] Univ Tennessee, Dept Biochem & Mol Biol, Knoxville, TN USA.
[Samudrala, Ram] Univ Washington, Dept Microbiol, Seattle, WA 98195 USA.
RP McDermott, JE (reprint author), Pacific NW Natl Lab, Computat Biol & Bioinformat Grp, MSIN J4-33,902 Battelle Blvd,POB 999, Richland, WA 99352 USA.
EM Jason.McDermott@pnl.gov
RI Adkins, Joshua/B-9881-2013;
OI Adkins, Joshua/0000-0003-0399-0700; McDermott, Jason/0000-0003-2961-2572
FU National Institute of Allergy and Infectious Diseases, NIH/DHHS
[Y1-AI-8401-01]; Pacific Northwest National Laboratory (PNNL); Battelle
for the U.S. Department of Energy [DE-AC06-76RL01830]; Department of
Energy Science Undergraduate Laboratory; NIH [RO1 AI022933]; Medical
Research Foundation of Oregon [MRF810]; National Science Foundation [DBI
0217241]; Searle Scholars Program
FX This work was supported by the National Institute of Allergy and
Infectious Diseases, NIH/DHHS, through interagency agreement
Y1-AI-8401-01, by the Biomolecular Systems Initiative under the
Laboratory Directed Research and Development Program at the Pacific
Northwest National Laboratory (PNNL), a multiprogram national laboratory
operated by Battelle for the U.S. Department of Energy under contract
DE-AC06-76RL01830, by the Department of Energy Science Undergraduate
Laboratory Internship to D. S., by NIH grant RO1 AI022933 to F. H., by
Medical Research Foundation of Oregon grant MRF810 to E.D.C., by
National Science Foundation grant DBI 0217241 to R.S., and by a Searle
Scholars Program grant to R.S.
NR 85
TC 38
Z9 40
U1 0
U2 14
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0019-9567
J9 INFECT IMMUN
JI Infect. Immun.
PD JAN
PY 2011
VL 79
IS 1
BP 23
EP 32
DI 10.1128/IAI.00537-10
PG 10
WC Immunology; Infectious Diseases
SC Immunology; Infectious Diseases
GA 697WJ
UT WOS:000285550200001
PM 20974833
ER
PT J
AU Niemann, GS
Brown, RN
Gustin, JK
Stufkens, A
Shaikh-Kidwai, AS
Li, J
McDermott, JE
Brewer, HM
Schepmoes, A
Smith, RD
Adkins, JN
Heffron, F
AF Niemann, George S.
Brown, Roslyn N.
Gustin, Jean K.
Stufkens, Afke
Shaikh-Kidwai, Afshan S.
Li, Jie
McDermott, Jason E.
Brewer, Heather M.
Schepmoes, Athena
Smith, Richard D.
Adkins, Joshua N.
Heffron, Fred
TI Discovery of Novel Secreted Virulence Factors from Salmonella enterica
Serovar Typhimurium by Proteomic Analysis of Culture Supernatants
SO INFECTION AND IMMUNITY
LA English
DT Article
ID PATHOGENICITY ISLAND 2; ESCHERICHIA-COLI; III SECRETION;
MEMBRANE-VESICLES; MASS-SPECTROMETRY; CONTAINING VACUOLES; YEAST
PROTEOME; TYPHOID-FEVER; ACCURATE MASS; IDENTIFICATION
AB Salmonella enterica serovar Typhimurium is a leading cause of acute gastroenteritis throughout the world. This pathogen has two type III secretion systems (TTSS) encoded in Salmonella pathogenicity islands 1 and 2 (SPI-1 and SPI-2) that deliver virulence factors (effectors) to the host cell cytoplasm and are required for virulence. While many effectors have been identified and at least partially characterized, the full repertoire of effectors has not been catalogued. In this proteomic study, we identified effector proteins secreted into defined minimal medium designed to induce expression of the SPI-2 TTSS and its effectors. We compared the secretomes of the parent strain to those of strains missing essential (ssaK::cat) or regulatory (Delta ssaL) components of the SPI-2 TTSS. We identified 20 known SPI-2 effectors. Excluding the translocon components SseBCD, all SPI-2 effectors were biased for identification in the Delta ssaL mutant, substantiating the regulatory role of SsaL in TTS. To identify novel effector proteins, we coupled our secretome data with a machine learning algorithm (SIEVE, SVM-based identification and evaluation of virulence effectors) and selected 12 candidate proteins for further characterization. Using CyaA' reporter fusions, we identified six novel type III effectors and two additional proteins that were secreted into J774 macrophages independently of a TTSS. To assess their roles in virulence, we constructed nonpolar deletions and performed a competitive index analysis from intraperitoneally infected 129/SvJ mice. Six mutants were significantly attenuated for spleen colonization. Our results also suggest that non-type III secretion mechanisms are required for full Salmonella virulence.
C1 [Niemann, George S.; Stufkens, Afke; Shaikh-Kidwai, Afshan S.; Li, Jie; Heffron, Fred] Oregon Hlth & Sci Univ, Dept Microbiol & Immunol, Portland, OR 97201 USA.
[Brown, Roslyn N.; Brewer, Heather M.; Schepmoes, Athena; Smith, Richard D.; Adkins, Joshua N.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
[Gustin, Jean K.] Oregon Hlth & Sci Univ, Vaccine & Gene Therapy Inst, Portland, OR 97201 USA.
RP Heffron, F (reprint author), Oregon Hlth & Sci Univ, Dept Microbiol & Immunol, 3181 SW Sam Jackson Pk Rd, Portland, OR 97201 USA.
EM heffronf@ohsu.edu
RI Smith, Richard/J-3664-2012; Adkins, Joshua/B-9881-2013;
OI Smith, Richard/0000-0002-2381-2349; Adkins, Joshua/0000-0003-0399-0700;
McDermott, Jason/0000-0003-2961-2572
FU NIH/DHHS [Y1-A1-8401-01]; NIH/NIAID [A1022933-22A1]; National Center for
Research Resources [RR 018522]; DOE/BER; DOE [DE-AC05-76RL01830];
National Institute of Allergy and Infectious Diseases
FX Support for this work was provided by the National Institute of Allergy
and Infectious Diseases, NIH/DHHS, through interagency agreement
Y1-A1-8401-01 and by grant NIH/NIAID A1022933-22A1 to F. H. We used
instrumentation and capabilities developed with support from the
National Center for Research Resources (grant RR 018522 to R. D. S.) and
the DOE/BER.; Proteomic analyses were performed in the Environmental
Molecular Sciences Laboratory, a U.S. Department of Energy Office of
Biological and Environmental Research (DOE/BER) national scientific user
facility on the Pacific Northwest National Laboratory (PNNL) campus in
Richland, WA. PNNL is a multiprogram national laboratory operated by
Battelle for the DOE under contract DE-AC05-76RL01830. Mass spectrometry
results are available at SysBEP.org and Omics.pnl.gov.
NR 65
TC 50
Z9 51
U1 1
U2 12
PU AMER SOC MICROBIOLOGY
PI WASHINGTON
PA 1752 N ST NW, WASHINGTON, DC 20036-2904 USA
SN 0019-9567
J9 INFECT IMMUN
JI Infect. Immun.
PD JAN
PY 2011
VL 79
IS 1
BP 33
EP 43
DI 10.1128/IAI.00771-10
PG 11
WC Immunology; Infectious Diseases
SC Immunology; Infectious Diseases
GA 697WJ
UT WOS:000285550200002
PM 20974834
ER
PT J
AU Pon, RK
Cardenas, AF
Buttler, DJ
Critchlow, TJ
AF Pon, R. K.
Cardenas, A. F.
Buttler, D. J.
Critchlow, T. J.
TI Measuring the interestingness of articles in a limited user environment
SO INFORMATION PROCESSING & MANAGEMENT
LA English
DT Article
DE News filtering; Personalization; News recommendation
ID TRACKING
AB Search engines, such as Google, assign scores to news articles based on their relevance to a query. However, not all relevant articles for the query may be interesting to a user. For example, if the article is old or yields little new information, the article would be uninteresting. Relevance scores do not take into account what makes an article interesting, which would vary from user to user. Although methods such as collaborative filtering have been shown to be effective in recommendation systems, in a limited user environment, there are not enough users that would make collaborative filtering effective.
A general framework, called iScore, is presented for defining and measuring the "interestingness" of articles, incorporating user-feedback. iScore addresses the various aspects of what makes an article interesting, such as topic relevance, uniqueness, freshness, source reputation, and writing style. It employs various methods, such as multiple topic tracking, online parameter selection, language models, clustering, sentiment analysis, and phrase extraction to measure these features. Due to varying reasons that users hold about why an article is interesting, an online feature selection method in naive Bayes is also used to improve recommendation results. iScore can outperform traditional IR techniques by as much as 50.7%. iScore and its components are evaluated in the news recommendation task using three datasets from Yahoo! News, actual users, and Digg. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Pon, R. K.; Cardenas, A. F.] Univ Calif Los Angeles, Los Angeles, CA 90095 USA.
[Buttler, D. J.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
[Critchlow, T. J.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Pon, RK (reprint author), Univ Calif Los Angeles, 420 Westwood Plaza, Los Angeles, CA 90095 USA.
EM rpon@cs.ucla.edu; cardenas@cs.ucla.edu; buttler1@llnl.gov;
terence.critchlow@pnl.gov
FU US Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344, LLNL-JRNL-407783]
FX This work was performed under the auspices of the US Department of
Energy by Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344 (LLNL-JRNL-407783).
NR 73
TC 5
Z9 6
U1 0
U2 8
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0306-4573
EI 1873-5371
J9 INFORM PROCESS MANAG
JI Inf. Process. Manage.
PD JAN
PY 2011
VL 47
IS 1
BP 97
EP 116
DI 10.1016/j.ipm.2010.03.001
PG 20
WC Computer Science, Information Systems; Information Science & Library
Science
SC Computer Science; Information Science & Library Science
GA 683XG
UT WOS:000284511000007
ER
PT B
AU Roberto, FF
Silverman, HG
AF Roberto, Francisco F.
Silverman, Heather G.
BE Schwartz, M
TI Adhesive Proteins from Mussels
SO INNOVATIONS IN MATERIALS MANUFACTURING, FABRICATION, AND ENVIRONMENTAL
SAFETY
LA English
DT Article; Book Chapter
ID MYTILUS-EDULIS-L; FRESH-WATER MUSSEL; MARINE-MUSSEL;
LIMNOPERNA-FORTUNEI; ESCHERICHIA-COLI; ATTACHMENT STRENGTH; BYSSAL
PROTEIN; PLAQUE PROTEIN; POLYPHENOLIC PROTEINS; DREISSENA-POLYMORPHA
C1 [Roberto, Francisco F.; Silverman, Heather G.] Idaho Natl Lab, Dept Syst Biol, Idaho Falls, ID 83415 USA.
RP Roberto, FF (reprint author), Idaho Natl Lab, Dept Syst Biol, Idaho Falls, ID 83415 USA.
NR 125
TC 0
Z9 0
U1 0
U2 2
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-8216-6; 978-1-4200-8215-9
PY 2011
BP 53
EP 86
PG 34
WC Engineering, Multidisciplinary; Materials Science, Multidisciplinary
SC Engineering; Materials Science
GA BC7CD
UT WOS:000354734500004
ER
PT B
AU Burkes, DE
AF Burkes, Douglas E.
BE Schwartz, M
TI Nuclear Applications Using Friction Stir Welding
SO INNOVATIONS IN MATERIALS MANUFACTURING, FABRICATION, AND ENVIRONMENTAL
SAFETY
LA English
DT Article; Book Chapter
ID STRAIN RATE SUPERPLASTICITY; REPAIR; EVOLUTION; TEXTURE; REACTOR; STEEL;
ALLOY; LOAD
C1 Idaho Natl Lab, Nucl Fuels & Mat Div, Idaho Falls, ID 83415 USA.
RP Burkes, DE (reprint author), Idaho Natl Lab, Nucl Fuels & Mat Div, Idaho Falls, ID 83415 USA.
NR 39
TC 0
Z9 0
U1 0
U2 1
PU CRC PRESS-TAYLOR & FRANCIS GROUP
PI BOCA RATON
PA 6000 BROKEN SOUND PARKWAY NW, STE 300, BOCA RATON, FL 33487-2742 USA
BN 978-1-4200-8216-6; 978-1-4200-8215-9
PY 2011
BP 167
EP 192
PG 26
WC Engineering, Multidisciplinary; Materials Science, Multidisciplinary
SC Engineering; Materials Science
GA BC7CD
UT WOS:000354734500008
ER
PT J
AU Zwicker, A
Wissel, S
Morgan, J
AF Zwicker, A.
Wissel, S.
Morgan, J.
BE Chova, LG
Torres, IC
Martinez, AL
TI PLASMAS AS A TEACHING TOOL FOR UNDERGRADUATE STUDENTS AND K-12 TEACHERS:
WHAT CAN WE LEARN FROM A TEN-YEAR LONGITUDINAL STUDY?
SO INTED2011: 5TH INTERNATIONAL TECHNOLOGY, EDUCATION AND DEVELOPMENT
CONFERENCE
LA English
DT Proceedings Paper
CT 5th International Technology, Education and Development Conference
(INTED)
CY MAR 07-09, 2011
CL Valencia, SPAIN
DE Plasma; longitudinal; study; undergraduate; teacher; K-12; career;
choices; learning; student
C1 [Zwicker, A.; Wissel, S.; Morgan, J.] Princeton Plasma Phys Lab, Princeton, NJ USA.
EM azwicker@pppl.gov; swissel@princeton.edu; jmorgan@pppl.gov
NR 0
TC 0
Z9 0
U1 0
U2 0
PU IATED-INT ASSOC TECHNOLOGY EDUCATION A& DEVELOPMENT
PI VALENICA
PA LAURI VOLPI 6, VALENICA, BURJASSOT 46100, SPAIN
BN 978-84-614-7423-3
PY 2011
BP 2899
EP 2899
PG 1
WC Education & Educational Research
SC Education & Educational Research
GA BHR19
UT WOS:000326447702129
ER
PT S
AU Parekh, O
AF Parekh, Ojas
BE Gunluk, O
Woeginger, GJ
TI Iterative Packing for Demand and Hypergraph Matching
SO INTEGER PROGRAMMING AND COMBINATORAL OPTIMIZATION, IPCO 2011
SE Lecture Notes in Computer Science
LA English
DT Proceedings Paper
CT 15th International Conference on Integer Programming and Combinatorial
Optimization (IPCO)
CY JUN 15-17, 2011
CL IBM T J Watson Res Ctr, New York, NY
SP Math Optimizat Soc
HO IBM T J Watson Res Ctr
ID INTEGER PROGRAMS; APPROXIMATION; DUALITY
AB Iterative rounding has enjoyed tremendous success in elegantly resolving open questions regarding the approximability of problems dominated by covering constraints. Although iterative rounding methods have been applied to packing problems, no single method has emerged that matches the effectiveness and simplicity afforded by the covering case. We offer a simple iterative packing technique that retains features of Jain's seminal approach, including the property that the magnitude of the fractional value of the element rounded during each iteration has a direct impact on the approximation guarantee. We apply iterative packing to generalized matching problems including demand matching and k-column-sparse column-restricted packing (k-CS-PIP) and obtain approximation algorithms that essentially settle the integrality gap for these problems. We present a simple deterministic 2k-approximation for k-CS-PIP, where an 8k-approximation was the best deterministic algorithm previously known. The integrality gap in this case is at least 2(k-1+1/k). We also give a deterministic 3-approximation for a generalization of demand matching, settling its natural integrality gap.
C1 [Parekh, Ojas] Sandia Natl Labs, MS 1316, Albuquerque, NM 87185 USA.
RP Parekh, O (reprint author), Sandia Natl Labs, MS 1316, Albuquerque, NM 87185 USA.
EM odparek@sandia.gov
FU U.S. Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]
FX Sandia National Laboratories is a multi-program laboratory managed and
operated by Sandia Corporation, a wholly owned subsidiary of Lockheed
Martin Corporation, for the U.S. Department of Energy's National Nuclear
Security Administration under contract DE-AC04-94AL85000.
NR 16
TC 0
Z9 0
U1 0
U2 0
PU SPRINGER-VERLAG BERLIN
PI BERLIN
PA HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY
SN 0302-9743
BN 978-3-642-20807-2
J9 LECT NOTES COMPUT SC
PY 2011
VL 6655
BP 349
EP 361
PG 13
WC Computer Science, Theory & Methods
SC Computer Science
GA BG8AO
UT WOS:000392146900028
ER
PT J
AU Bhalla, A
Saxena, A
Priya, S
Guo, RY
Chen, CL
Jia, QX
AF Bhalla, Amar
Saxena, Avadh
Priya, Shashank
Guo, Ruyan
Chen, Chonglin
Jia, Quanxi
TI Untitled
SO INTEGRATED FERROELECTRICS
LA English
DT Editorial Material
C1 [Bhalla, Amar; Guo, Ruyan; Chen, Chonglin] Univ Texas San Antonio, San Antonio, TX 78249 USA.
[Saxena, Avadh; Jia, Quanxi] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Priya, Shashank] Virginia Tech, Blacksburg, VA USA.
RP Bhalla, A (reprint author), Univ Texas San Antonio, San Antonio, TX 78249 USA.
RI Jia, Q. X./C-5194-2008
NR 0
TC 0
Z9 0
U1 1
U2 7
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1058-4587
J9 INTEGR FERROELECTR
JI Integr. Ferroelectr.
PY 2011
VL 131
BP 1
EP 2
DI 10.1080/10584587.2011.621058
PG 2
WC Engineering, Electrical & Electronic; Physics, Applied; Physics,
Condensed Matter
SC Engineering; Physics
GA 888GE
UT WOS:000299991000001
ER
PT J
AU Saxena, A
AF Saxena, Avadh
TI Broken Symmetry, Ferroic Phase Transitions and Multifunctional Materials
SO INTEGRATED FERROELECTRICS
LA English
DT Article; Proceedings Paper
CT International Symposium on Multifunctionality of Ferroics and
Multiferroics
CY OCT 15-16, 2010
CL San Antonio, TX
DE Order parameter; Magnetic symmetry; Multiferroics; Magnetoelectrics;
Ferrotoroidics; Disorder; Tweed; Free energy
ID FERROELECTRIC THIN-FILMS; SHAPE-MEMORY ALLOYS; PREMARTENSITIC BEHAVIOR;
FERROTOROIDIC DOMAINS; FERROELASTIC CRYSTALS; NEUTRON-SCATTERING;
MAGNETIC SYMMETRY; PEROVSKITES; NANOSCALE; POINT
AB A phase transition is associated with a change of certain symmetry. This symmetry change is captured by an order parameter which is zero above the transition temperature (or pressure) and non-zero below it. An important class of functional materials is that of ferroics which are characterized by two or more orientation states with the ability to switch between them via an applied field. In terms of broken spatial inversion and time reversal symmetry, there are four types of primary ferroics: ferroelectrics described by polarization P (a polar vector with broken spatial inversion symmetry), ferromagnets described by magnetization M (an axial vector with broken time reversal symmetry), ferrotoroidics described by torodization T (an axio-polar vector with both spatial inversion and time reversal symmetries broken) and ferroelastics described by strain epsilon (a symmetric second rank polar tensor with neither spatial inversion nor time reversal symmetry broken but with broken rotational symmetry). Materials possessing two or more ferroic properties are called multiferroics. In particular, crystals exhibiting simultaneous ferroelectricity and magnetism are called magnetoelectrics. We consider the effect of disorder in these crystals which above the transition temperature may result in a tweed structure whereas it may lead to a glassy state below the transition. We also explore the properties of ferroics at nanoscale which are dominated by the surface/interface energy contribution. Finally, we describe in detail the magnetic symmetry of low-dimensional multiferroic materials and study a representative phase transition.
C1 Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
RP Saxena, A (reprint author), Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
EM avadh@lanl.gov
FU U.S. Department of Energy
FX We thank Turab Lookman, Antoni Planes and Teresa Castan for
collaboration and Amar Bhalla, Ruyan Guo and Pradeep Kumar for many
fruitful discussions on the topics presented here. This work was
supported by the U.S. Department of Energy.
NR 99
TC 3
Z9 3
U1 4
U2 34
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND
SN 1058-4587
EI 1607-8489
J9 INTEGR FERROELECTR
JI Integr. Ferroelectr.
PY 2011
VL 131
BP 3
EP 24
DI 10.1080/10584587.2011.616380
PG 22
WC Engineering, Electrical & Electronic; Physics, Applied; Physics,
Condensed Matter
SC Engineering; Physics
GA 888GE
UT WOS:000299991000002
ER
PT S
AU Peters, DW
Kemme, SA
Cruz-Cabrera, AA
Boye, RR
Bustard, CA
AF Peters, David W.
Kemme, Shanalyn A.
Cruz-Cabrera, Alvaro A.
Boye, Robert R.
Bustard, Chad A.
BE Broquin, JE
Conti, GN
TI Pixelated Resonant Subwavelength Grating Filters for Greenhouse Gas
Monitoring
SO INTEGRATED OPTICS: DEVICES, MATERIALS, AND TECHNOLOGIES XV
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT Conference on Integrated Optics - Devices, Materials, and Technologies
XV
CY JAN 24-26, 2011
CL San Francisco, CA
SP SPIE
DE grating; subwavelength; pixelated; filter; sensor; hyperspectral
ID INTEGRATION
AB We describe the design of pixelated filter arrays for hyperspectral monitoring of CO2 and H2O absorption in the midwave infrared (centered at 4.25 mu m and 5.15 mu m, respectively) using resonant subwavelength gratings (RSGs), also called guided-mode resonant filters (GMRFs). For each gas, a hyperspectral filter array of very narrowband filters is designed that spans the absorption band on a single substrate. A pixelated geometry allows for direct registration of filter pixels to focal plane array (FPA) sensor pixels and for non-scanning data collection. The design process for narrowband, low-sideband reflective and transmissive filters within fabrication limitations will be discussed.
C1 [Peters, David W.; Kemme, Shanalyn A.; Cruz-Cabrera, Alvaro A.; Boye, Robert R.; Bustard, Chad A.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Peters, DW (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM dwpeter@sandia.gov
NR 7
TC 0
Z9 0
U1 0
U2 1
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-478-9
J9 PROC SPIE
PY 2011
VL 7941
AR 794113
DI 10.1117/12.873932
PG 8
WC Optics
SC Optics
GA BYD24
UT WOS:000298084600026
ER
PT J
AU Mroue, RM
El-Sabban, ME
Talhouk, RS
AF Mroue, R. M.
El-Sabban, M. E.
Talhouk, R. S.
TI Connexins and the gap in context
SO INTEGRATIVE BIOLOGY
LA English
DT Review
ID JUNCTIONAL INTERCELLULAR COMMUNICATION; MAMMARY-GLAND DEVELOPMENT;
CANCER-CELLS; NEGATIVE REGULATION; CARDIAC MYOCYTES; SYSTEMS BIOLOGY;
BREAST-CANCER; CHORIOCARCINOMA CELLS; EXTRACELLULAR-MATRIX; TRAFFICKING
PATHWAYS
AB Gap junctions (GJ) can no longer be thought of as simple channel forming structures that mediate intercellular communication. Hemi-channel and channel-independent functions of connexins (Cxs) have been described and numerous Cx interacting partners have been uncovered ranging from enzymes to structural and scaffolding molecules to transcription factors. With the growing number of Cx partners and functions, including well-documented roles for Cxs as conditional tumor suppressors, it has become essential to understand how Cxs are regulated in a context-dependent manner to mediate distinct functions. In this review we will shed light on the tissue and context-dependent regulation and function of Cxs and on the importance of Cx-interactions in modulating tissue-specific function. We will emphasize how the context-dependent functions of Cxs can help in understanding the impact of Cx mis-expression on cancer development and, ultimately, explore whether Cxs can be used as potential therapeutic targets in cancer treatment. In the end, we will address the need for developing relevant assays for studying Cx and GJ functions and will highlight how advances in bioengineering tools and the design of 3D biological platforms can help studying gap junction function in real time in a non-intrusive manner.
C1 [Mroue, R. M.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
[El-Sabban, M. E.] Amer Univ Beirut, Dept Human Morphol, Fac Med, Beirut, Lebanon.
[Talhouk, R. S.] Amer Univ Beirut, Dept Biol, Fac Arts & Sci, Beirut, Lebanon.
RP Mroue, RM (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
EM rtalhouk@aub.edu.lb
FU University Research Board and Lebanese National Council for Scientific
Research; Medical Practice Plan; DOD Breast Cancer Research Program
FX The authors are grateful for Dr Hidetoshi Mori and Dr Mike Osta for
critical reading of the manuscript and Dr Cyrus Ghajar for helpful
advice. Ms Elia El-Habre is acknowledged for her help in manuscript and
figure preparation. This work was supported by the University Research
Board and Lebanese National Council for Scientific Research (RST and
MES), and Medical Practice Plan (MES). Rana Mroue is supported by a
predoctoral fellowship from the DOD Breast Cancer Research Program.
NR 130
TC 17
Z9 17
U1 1
U2 3
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1757-9694
J9 INTEGR BIOL-UK
JI Integr. Biol.
PY 2011
VL 3
IS 4
BP 255
EP 266
DI 10.1039/c0ib00158a
PG 12
WC Cell Biology
SC Cell Biology
GA 745GT
UT WOS:000289154600002
PM 21437329
ER
PT J
AU Veiseh, M
Turley, EA
AF Veiseh, M.
Turley, E. A.
TI Hyaluronan metabolism in remodeling extracellular matrix: probes for
imaging and therapy of breast cancer
SO INTEGRATIVE BIOLOGY
LA English
DT Review
ID EPITHELIAL-MESENCHYMAL TRANSITION; GENE-EXPRESSION SIGNATURES; ACUTE
MYELOID-LEUKEMIA; IN-VIVO; MULTIPLE-MYELOMA; MALIGNANT BREAST;
MACROMOLECULAR THERAPEUTICS; TUMOR MICROENVIRONMENT; ANTITUMOR
BIOCONJUGATE; PEPTIDE VACCINATION
AB Clinical and experimental evidence increasingly support the concept of cancer as a disease that emulates a component of wound healing, in particular abnormal stromal extracellular matrix remodeling. Here we review the biology and function of one remodeling process, hyaluronan (HA) metabolism, which is essential for wound resolution but closely linked to breast cancer (BCA) progression. Components of the HA metabolic cycle (HAS2, SPAM1 and HA receptors CD44, RHAMM/HMMR and TLR2) are discussed in terms of their known functions in wound healing and in breast cancer progression. Finally, we discuss recent advances in the use of HA-based platforms for developing nanoprobes to image areas of active HA metabolism and for therapeutics in breast cancer.
C1 [Veiseh, M.] Lawrence Berkeley Natl Labs, Div Life Sci, Berkeley, CA 94629 USA.
[Turley, E. A.] Univ Western Ontario, Dept Oncol, London Reg Canc Program, London Hlth Sci Ctr, London, ON, Canada.
[Turley, E. A.] Univ Western Ontario, Dept Biochem, London, ON, Canada.
RP Veiseh, M (reprint author), Lawrence Berkeley Natl Labs, Div Life Sci, Berkeley, CA 94629 USA.
EM mveiseh@lbl.gov; eva.turley@lhsc.on.ca
FU DOD-BCRP IDEA [BC044087]; National Institute of Health [R37CA064786,
R01CA057621]; Low Dose Radiation Program [DE-AC02-05CH1123]; Canadian
Breast Cancer Alliance and Cancer Research Society; National Cancer
Institute of National Institute of Health [FCA132491A]
FX We thank Mina J. Bissell for her continuing enthusiasm and support of
this work; we also thank Daniel H Kwon and Catlin Ward for
administrative help. This work was supported by a DOD-BCRP IDEA award to
Mina J Bissell and Eva A Turley (BC044087), by the National Institute of
Health grants R37CA064786 and R01CA057621, Low Dose Radiation Program
(contract no. DE-AC02-05CH1123) to MJB, the Canadian Breast Cancer
Alliance and Cancer Research Society to EAT, and by a Distinguished
Fellow Award to MJB. Mandana Veiseh was supported by a Ruth L.
Kirschstein National Research Service Award (NRSA) F32 postdoctoral
fellowship from National Cancer Institute of National Institute of
Health (FCA132491A).
NR 144
TC 20
Z9 20
U1 0
U2 21
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1757-9694
EI 1757-9708
J9 INTEGR BIOL-UK
JI Integr. Biol.
PY 2011
VL 3
IS 4
BP 304
EP 315
DI 10.1039/c0ib00096e
PG 12
WC Cell Biology
SC Cell Biology
GA 745GT
UT WOS:000289154600006
PM 21264398
ER
PT J
AU Perez-Losada, J
Castellanos-Martin, A
Mao, JH
AF Perez-Losada, Jesus
Castellanos-Martin, Andres
Mao, Jian-Hua
TI Cancer evolution and individual susceptibility
SO INTEGRATIVE BIOLOGY
LA English
DT Review
ID GENOME-WIDE ASSOCIATION; QUANTITATIVE TRAIT LOCI; POSITIVE
BREAST-CANCER; TUMOR MODIFIER LOCI; COMPLEX TRAITS; PAS1 LOCUS; GERMLINE
POLYMORPHISMS; CONFER SUSCEPTIBILITY; COLLABORATIVE CROSS;
COLORECTAL-CANCER
AB Cancer susceptibility is due to interactions between inherited genetic factors and exposure to environmental carcinogens. The genetic component is constituted mainly by weakly acting low-penetrance genetic variants that interact among themselves, as well as with the environment. These low susceptibility genes can be categorized into two main groups: one includes those that control intrinsic tumor cell activities (i.e. apoptosis, proliferation or DNA repair), and the other contains those that modulate the function of extrinsic tumor cell compartments (i.e. stroma, angiogenesis, or endocrine and immune systems). Genome-Wide Association Studies (GWAS) of human populations have identified numerous genetic loci linked with cancer risk and behavior, but nevertheless the major component of cancer heritability remains to be explained. One reason may be that GWAS cannot readily capture gene-gene or gene-environment interactions. Mouse model approaches offer an alternative or complementary strategy, because of our ability to control both the genetic and environmental components of risk. Recently developed genetic tools, including high-throughput technologies such as SNP, CGH and gene expression microarrays, have led to more powerful strategies for refining quantitative trait loci (QTL) and identifying the critical genes. In particular, the cross-species approaches will help to refine locations of QTLs, and reveal their genetic and environmental interactions. The identification of human tumor susceptibility genes and discovery of their roles in carcinogenesis will ultimately be important for the development of methods for prediction of risk, diagnosis, prevention and therapy for human cancers.
C1 [Perez-Losada, Jesus; Castellanos-Martin, Andres] Univ Salamanca, Inst Mixto, CSIC, IBMCC, Salamanca 37007, Spain.
[Mao, Jian-Hua] Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94127 USA.
RP Perez-Losada, J (reprint author), Univ Salamanca, Inst Mixto, CSIC, IBMCC, Campus Miguel de Unamuno S-N, Salamanca 37007, Spain.
EM jperezlosada@usal.es; JHMao@lbl.gov
RI 2011, Secribsal/D-9425-2012; Castellanos, Andres/F-3302-2016
FU Office of Biological & Environmental Research, of the U.S. Department of
Energy [DE-AC02-05CH11231]; Laboratory Directed Research & Development
Program (LDRD); National Institutes of Health, National Cancer Institute
[R01 CA116481]; FEDER; MICINN [PLE2009-119]; FIS [PI070057, PI10/00328];
CSIC [200920I137]; Junta de Castilla y Leon [SAN126/SA66/09, SA079A09]
FX We apologize for these contributions that could not be cited in the
manuscript due to space restrictions. We thank Drs Allan Balmain, Isidro
Sanchez Garcia and Cesar Cobaleda for useful comments. J. H. Mao is
supported by Office of Biological & Environmental Research, of the U.S.
Department of Energy under Contract No. DE-AC02-05CH11231, by Laboratory
Directed Research & Development Program (LDRD), and by the National
Institutes of Health, National Cancer Institute grant R01 CA116481. J.
Perez-Losada is partially supported by FEDER and MICINN (PLE2009-119),
FIS (PI070057; PI10/00328), CSIC (200920I137), Junta de Castilla y Leon
(SAN126/SA66/09; SA079A09). A. Castellanos-Martin is supported by FEDER
and MICINN (PLE2009-119).
NR 119
TC 18
Z9 18
U1 1
U2 12
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1757-9694
J9 INTEGR BIOL-UK
JI Integr. Biol.
PY 2011
VL 3
IS 4
BP 316
EP 328
DI 10.1039/c0ib00094a
PG 13
WC Cell Biology
SC Cell Biology
GA 745GT
UT WOS:000289154600007
PM 21264404
ER
PT J
AU Mian, IS
Rose, C
AF Mian, I. S.
Rose, C.
TI Communication theory and multicellular biology
SO INTEGRATIVE BIOLOGY
LA English
DT Editorial Material
ID DYNAMICAL PATTERNING MODULES; GALECTIN-GLYCAN INTERACTIONS;
INFORMATION-THEORY; MOLECULAR-BIOLOGY; CHROMOSOME TERRITORIES; SYNTHETIC
BIOLOGY; MICROBIAL WORLD; CELL BIOLOGY; EVOLUTION; GENOME
AB In this Perspective, we propose that communication theory-a field of mathematics concerned with the problems of signal transmission, reception and processing-provides a new quantitative lens for investigating multicellular biology, ancient and modern. What underpins the cohesive organisation and collective behaviour of multicellular ecosystems such as microbial colonies and communities (microbiomes) and multicellular organisms such as plants and animals, whether built of simple tissue layers (sponges) or of complex differentiated cells arranged in tissues and organs (members of the 35 or so phyla of the subkingdom Metazoa)? How do mammalian tissues and organs develop, maintain their architecture, become subverted in disease, and decline with age? How did single-celled organisms coalesce to produce many-celled forms that evolved and diversified into the varied multicellular organisms in existence today? Some answers can be found in the blueprints or recipes encoded in (epi)genomes, yet others lie in the generic physical properties of biological matter such as the ability of cell aggregates to attain a certain complexity in size, shape, and pattern. We suggest that Lasswell's maxim "Who says what to whom in what channel with what effect'' provides a foundation for understanding not only the emergence and evolution of multicellularity, but also the assembly and sculpting of multicellular ecosystems and many-celled structures, whether of natural or human-engineered origin. We explore how the abstraction of communication theory as an organising principle for multicellular biology could be realised. We highlight the inherent ability of communication theory to be blind to molecular and/or genetic mechanisms. We describe selected applications that analyse the physics of communication and use energy efficiency as a central tenet. Whilst communication theory has and could contribute to understanding a myriad of problems in biology, investigations of multicellular biology could, in turn, lead to advances in communication theory, especially in the still immature field of network information theory.
C1 [Mian, I. S.] Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
[Rose, C.] Rutgers State Univ, Wireless Informat Network Lab, N Brunswick, NJ 08902 USA.
RP Mian, IS (reprint author), Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
EM smian@lbl.gov; crose@winlab.rutgers.edu
NR 126
TC 24
Z9 24
U1 2
U2 16
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1757-9694
EI 1757-9708
J9 INTEGR BIOL-UK
JI Integr. Biol.
PY 2011
VL 3
IS 4
BP 350
EP 367
DI 10.1039/c0ib00117a
PG 18
WC Cell Biology
SC Cell Biology
GA 745GT
UT WOS:000289154600010
PM 21424025
ER
PT J
AU Xu, R
Mao, JH
AF Xu, Ren
Mao, Jian-Hua
TI Gene transcriptional networks integrate microenvironmental signals in
human breast cancer
SO INTEGRATIVE BIOLOGY
LA English
DT Editorial Material
ID GROWTH-FACTOR RECEPTOR; NATURAL-KILLER-CELLS; MOUSE MAMMARY-GLAND;
E-CADHERIN; EXTRACELLULAR-MATRIX; TGF-BETA; MEDIATED ADHESION;
EPITHELIAL-CELLS; IN-VIVO; EXPRESSION
AB A significant amount of evidence shows that microenvironmental signals generated from extracellular matrix (ECM) molecules, soluble factors, and cell-cell adhesion complexes cooperate at the extra-and intracellular level. This synergetic action of microenvironmental cues is crucial for normal mammary gland development and breast malignancy. To explore how the microenvironmental genes coordinate in human breast cancer at the genome level, we have performed gene co-expression network analysis in three independent microarray datasets and identified two microenvironment networks in human breast cancer tissues. Network I represents crosstalk and cooperation of ECM microenvironment and soluble factors during breast malignancy. The correlated expression of cytokines, chemokines, and cell adhesion proteins in Network II implicates the coordinated action of these molecules in modulating the immune response in breast cancer tissues. These results suggest that microenvironmental cues are integrated with gene transcriptional networks to promote breast cancer development.
C1 [Xu, Ren] Univ Kentucky, Markey Canc Ctr, BBSRB, Lexington, KY 40536 USA.
[Xu, Ren] Univ Kentucky, Dept Mol & Biomed Pharmacol, BBSRB, Lexington, KY 40536 USA.
[Mao, Jian-Hua] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
RP Xu, R (reprint author), Univ Kentucky, Markey Canc Ctr, BBSRB, 741 S Limestone St, Lexington, KY 40536 USA.
EM ren.xu20101@uky.edu
FU NCI NIH HHS [P30 CA147886, R01 CA116481-04, R01 CA116481]
NR 57
TC 9
Z9 10
U1 0
U2 4
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1757-9694
J9 INTEGR BIOL-UK
JI Integr. Biol.
PY 2011
VL 3
IS 4
BP 368
EP 374
DI 10.1039/c0ib00087f
PG 7
WC Cell Biology
SC Cell Biology
GA 745GT
UT WOS:000289154600011
PM 21165486
ER
PT J
AU Tang, J
Enderling, H
Becker-Weimann, S
Pham, C
Polyzos, A
Chen, CY
Costes, SV
AF Tang, Jonathan
Enderling, Heiko
Becker-Weimann, Sabine
Pham, Christopher
Polyzos, Aris
Chen, Chen-Yi
Costes, Sylvain V.
TI Phenotypic transition maps of 3D breast acini obtained by imaging-guided
agent-based modeling
SO INTEGRATIVE BIOLOGY
LA English
DT Article
ID MAMMARY EPITHELIAL-CELLS; CELLULAR-AUTOMATON MODEL; RECONSTITUTED
BASEMENT-MEMBRANE; TUMOR-GROWTH; ALVEOLAR MORPHOGENESIS;
EXTRACELLULAR-MATRIX; APOPTOSIS; CULTURES; CANCER; DIFFERENTIATION
AB We introduce an agent-based model of epithelial cell morphogenesis to explore the complex interplay between apoptosis, proliferation, and polarization. By varying the activity levels of these mechanisms we derived phenotypic transition maps of normal and aberrant morphogenesis. These maps identify homeostatic ranges and morphologic stability conditions. The agent-based model was parameterized and validated using novel high-content image analysis of mammary acini morphogenesis in vitro with focus on time-dependent cell densities, proliferation and death rates, as well as acini morphologies. Model simulations reveal apoptosis being necessary and sufficient for initiating lumen formation, but cell polarization being the pivotal mechanism for maintaining physiological epithelium morphology and acini sphericity. Furthermore, simulations highlight that acinus growth arrest in normal acini can be achieved by controlling the fraction of proliferating cells. Interestingly, our simulations reveal a synergism between polarization and apoptosis in enhancing growth arrest. After validating the model with experimental data from a normal human breast line (MCF10A), the system was challenged to predict the growth of MCF10A where AKT-1 was overexpressed, leading to reduced apoptosis. As previously reported, this led to non growth-arrested acini, with very large sizes and partially filled lumen. However, surprisingly, image analysis revealed a much lower nuclear density than observed for normal acini. The growth kinetics indicates that these acini grew faster than the cells comprising it. The in silico model could not replicate this behavior, contradicting the classic paradigm that ductal carcinoma in situ is only the result of high proliferation and low apoptosis. Our simulations suggest that overexpression of AKT-1 must also perturb cell-cell and cell-ECM communication, reminding us that extracellular context can dictate cellular behavior.
C1 [Tang, Jonathan; Becker-Weimann, Sabine; Pham, Christopher; Polyzos, Aris; Chen, Chen-Yi; Costes, Sylvain V.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
[Tang, Jonathan; Becker-Weimann, Sabine; Costes, Sylvain V.] Univ Calif Berkeley, Bay Area Phys Sci, Ctr Oncol, Berkeley, CA 94720 USA.
[Enderling, Heiko; Costes, Sylvain V.] Tufts Univ, Sch Med, St Elizabeths Med Ctr, Ctr Canc Syst Biol, Boston, MA 02135 USA.
RP Tang, J (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
EM jonathantang@lbl.gov; svcostes@lbl.gov
RI Tang, Jonathan/F-8151-2010; Costes, Sylvain/D-2522-2013;
OI Costes, Sylvain/0000-0002-8542-2389; Enderling,
Heiko/0000-0002-9696-6410
FU National Cancer Institute [U54 CA143836, U54CA149233]
FX This project was supported by the National Cancer Institute under Award
Number U54 CA143836 for the PSOC affiliated authors and U54CA149233 for
the ICBP affiliated authors. The content is solely the responsibility of
the authors and does not necessarily represent the official views of the
National Cancer Institute or the National Institutes of Health.
NR 55
TC 18
Z9 18
U1 0
U2 4
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1757-9694
J9 INTEGR BIOL-UK
JI Integr. Biol.
PY 2011
VL 3
IS 4
BP 408
EP 421
DI 10.1039/c0ib00092b
PG 14
WC Cell Biology
SC Cell Biology
GA 745GT
UT WOS:000289154600014
PM 21373705
ER
PT J
AU Reindl, W
Bowen, BP
Balamotis, MA
Green, JE
Northen, TR
AF Reindl, Wolfgang
Bowen, Benjamin P.
Balamotis, Michael A.
Green, Jeffrey E.
Northen, Trent R.
TI Multivariate analysis of a 3D mass spectral image for examining tissue
heterogeneity
SO INTEGRATIVE BIOLOGY
LA English
DT Article
ID TUMOR MICROENVIRONMENT; MAMMARY-GLAND; SPECTROMETRY; CANCER; BRAIN
AB The tissue microenvironment critically influences the molecular characteristics of a tumor. However, as tumorous tissue is highly heterogeneous it may harbor various sub-populations with different microenvironments, greatly complicating the unambiguous analysis of tumor biology. Mass spectrometry imaging techniques allow for the direct analysis of tumors in the spatial context of their microenvironment. However, discovery of heterogeneous sub-populations often depends on the use of multivariate statistical methods. While this is routinely used for 2D images, multivariate statistical approaches are rarely seen in the context of 3D images. Here we present the automatic alignment of 2D images recorded by nanostructure-initiator mass spectrometry (NIMS) to reconstruct a 3D model of a mouse mammary tumor. Multivariate statistical analysis was applied to the whole 3D reconstruction at once, revealing distinct tumor regions, an observation that would not have been possible in such clarity through the analysis of isolated 2D sections. These sub-structures were confirmed by H&E and Oil Red O stains. This study shows that the combination of 3D imaging and multivariate statistics can be used to define tumor regions.
C1 [Reindl, Wolfgang; Bowen, Benjamin P.; Northen, Trent R.] Univ Calif Berkeley, Lawrence Berkeley Lab, Dept Bioenergy GTL & Struct Biol, Div Life Sci, Berkeley, CA 94720 USA.
[Balamotis, Michael A.] Univ Calif Berkeley, Lawrence Berkeley Lab, Dept Genome Dynam, Div Life Sci, Berkeley, CA 94720 USA.
[Green, Jeffrey E.] NCI, Transgen Oncogenesis & Genom Sect, Lab Canc Biol & Genet, Bethesda, MD 20892 USA.
RP Reindl, W (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Dept Bioenergy GTL & Struct Biol, Div Life Sci, Berkeley, CA 94720 USA.
EM TRNorthen@lbl.gov
RI Northen, Trent/K-3139-2012;
OI Northen, Trent/0000-0001-8404-3259
FU Department of Energy Low Dose Radiation SFA [DE-AC02-05CH11231]; Bay
Area Breast Cancer SPORE [P50 CA 58207]; California Breast Cancer
Research Program [15IB-0063]; National Institutes of Health; Center for
Cancer Research; National Cancer Institute; Forschungsstipendium of the
Deutsche Forschungsgemeinschaft (DFG) [RE 3108/1-1]
FX We gratefully acknowledge support from the Department of Energy Low Dose
Radiation SFA [DE-AC02-05CH11231], Bay Area Breast Cancer SPORE [P50 CA
58207], and from the California Breast Cancer Research Program
[15IB-0063]. This work was supported in part by the Intramural Research
Program of the National Institutes of Health, Center for Cancer
Research, National Cancer Institute and a Forschungsstipendium of the
Deutsche Forschungsgemeinschaft (DFG) [RE 3108/1-1] to W. R. We thank
Sandhya Bhatnagar for helping with the H&E stains and Dr Zi-yao Liu for
assisting with animal preparation.
NR 29
TC 10
Z9 10
U1 0
U2 11
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1757-9694
J9 INTEGR BIOL-UK
JI Integr. Biol.
PY 2011
VL 3
IS 4
BP 460
EP 467
DI 10.1039/c0ib00091d
PG 8
WC Cell Biology
SC Cell Biology
GA 745GT
UT WOS:000289154600018
PM 21212877
ER
PT J
AU Nabavizadeh, N
Klifa, C
Newitt, D
Lu, Y
Chen, YY
Hsu, H
Fisher, C
Tokayasu, T
Olshen, AB
Spellman, P
Gray, JW
Hylton, N
Park, CC
AF Nabavizadeh, Nima
Klifa, Catherine
Newitt, David
Lu, Ying
Chen, Yunn-Yi
Hsu, Howard
Fisher, Clark
Tokayasu, Taku
Olshen, Adam B.
Spellman, Paul
Gray, Joe W.
Hylton, Nola
Park, Catherine C.
TI Topographic enhancement mapping of the cancer-associated breast stroma
using breast MRI
SO INTEGRATIVE BIOLOGY
LA English
DT Article
ID TUMOR SIZE CORRELATION; CARCINOMA IN-SITU; PATHOLOGY MEASUREMENTS;
EPITHELIAL-CELLS; MICROENVIRONMENT; CARCINOGENESIS; TUMORIGENESIS;
ANGIOGENESIS; EXPRESSION; MUTATIONS
AB In animal and laboratory models, cancer-associated stroma, or elements of the supporting tissue surrounding a primary tumor, has been shown to be necessary for tumor evolution and progression. However, little is understood or studied regarding the properties of intact stroma in human cancer in vivo. In addition, for breast cancer patients, the optimal volume of local tissue to treat surrounding a primary tumor is not clear. Here, we performed an interdisciplinary study of normal-appearing breast tissue using breast magnetic resonance imaging (MRI), correlative histology and array comparative genomic hybridization to identify a cancer-associated stroma in humans. Using a novel technique for segmenting breast fibroglandular tissue, quantifiable topographic percent enhancement mapping of the stroma surrounding invasive breast cancer was found to be significantly elevated within 2 cm of the tumor edge. This region was also found to harbor increased microvessel density, and genomic changes that were closely associated with host normal breast tissue. These findings indicate that a cancer-associated stroma may be identified and characterized in human breast cancer using non-invasive imaging techniques. Identification of a cancer-associated stroma may be further developed to help guide local therapy to reduce recurrence and morbidity in breast cancer patients.
C1 [Nabavizadeh, Nima; Fisher, Clark; Park, Catherine C.] Univ Calif San Francisco, Dept Radiat Oncol, Ctr Comprehens Canc, San Francisco, CA 94143 USA.
[Nabavizadeh, Nima; Klifa, Catherine; Newitt, David; Lu, Ying; Hylton, Nola] Univ Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USA.
[Chen, Yunn-Yi] Univ Calif San Francisco, Dept Pathol, San Francisco, CA 94143 USA.
[Hsu, Howard; Spellman, Paul; Gray, Joe W.; Park, Catherine C.] Ernest Orlando Lawrence Berkeley Natl Lab, Div Life Sci, Berkeley, CA USA.
[Tokayasu, Taku; Olshen, Adam B.] Univ Calif San Francisco, Helen Diller Family Comprehens Canc Ctr, San Francisco, CA 94143 USA.
[Lu, Ying] Univ Calif San Francisco, Dept Epidemiol & Biostat, San Francisco, CA 94143 USA.
RP Nabavizadeh, N (reprint author), Univ Calif San Francisco, Dept Radiat Oncol, Ctr Comprehens Canc, 1600 Divisadero St,H1031, San Francisco, CA 94143 USA.
EM cpark@radonc.ucsf.edu
OI Fisher, Clark/0000-0003-0707-1613
FU NIH [1R01CA124891, R01 CA 069587]; American Cancer Society
[RSG-07-1110-01-CCE]; Doris Duke Charitable Foundation; California
Breast Cancer Research Program CBCRP [13IB-0171]
FX We thank Hui Zhang for expert technical assistance and Dylan Smart for
assistance with the figures. This work is supported by NIH grant
1R01CA124891 (to CP) and by the American Cancer Society
RSG-07-1110-01-CCE (to CP); Doris Duke Charitable Foundation (N.N.),
California Breast Cancer Research Program CBCRP 13IB-0171 (C. K.) and
NIH Grant R01 CA 069587 to N.H.
NR 24
TC 6
Z9 6
U1 0
U2 3
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1757-9694
J9 INTEGR BIOL-UK
JI Integr. Biol.
PY 2011
VL 3
IS 4
BP 490
EP 496
DI 10.1039/c0ib00089b
PG 7
WC Cell Biology
SC Cell Biology
GA 745GT
UT WOS:000289154600021
PM 21416100
ER
PT J
AU Alcaraz, J
Mori, H
Ghajar, CM
Brownfield, D
Galgoczy, R
Bissell, MJ
AF Alcaraz, Jordi
Mori, Hidetoshi
Ghajar, Cyrus M.
Brownfield, Doug
Galgoczy, Roland
Bissell, Mina J.
TI Collective epithelial cell invasion overcomes mechanical barriers of
collagenous extracellular matrix by a narrow tube-like geometry and
MMP14-dependent local softening
SO INTEGRATIVE BIOLOGY
LA English
DT Article
ID ATOMIC-FORCE MICROSCOPY; GLAND BRANCHING MORPHOGENESIS; GROWTH-FACTOR;
MAMMARY EPITHELIUM; MIGRATION; CANCER; DIFFERENTIATION; LUNG;
ELASTICITY; PROTEASE
AB Collective cell invasion (CCI) through interstitial collagenous extracellular matrix (ECM) is crucial to the initial stages of branching morphogenesis, and a hallmark of tissue repair and dissemination of certain tumors. The collagenous ECM acts as a mechanical barrier against CCI. However, the physical nature of this barrier and how it is overcome by cells remains incompletely understood. To address these questions, we performed theoretical and experimental analysis of mammary epithelial branching morphogenesis in 3D type I collagen (collagen-I) gels. We found that the mechanical resistance of collagen-I is largely due to its elastic rather than its viscous properties. We also identified two strategies utilized by mammary epithelial cells that can independently minimize ECM mechanical resistance during CCI. First, cells adopt a narrow tube-like geometry during invasion, which minimizes the elastic opposition from the ECM as revealed by theoretical modeling of the most frequent invasive shapes and sizes. Second, the stiffness of the collagenous ECM is reduced at invasive fronts due to its degradation by matrix metalloproteinases (MMPs), as indicated by direct measurements of collagen-I microelasticity by atomic force microscopy. Molecular techniques further specified that the membrane-bound MMP14 mediates degradation of collagen-I at invasive fronts. Thus, our findings reveal that MMP14 is necessary to efficiently reduce the physical restraints imposed by collagen-I during branching morphogenesis, and help our overall understanding of how forces are balanced between cells and their surrounding ECM to maintain collective geometry and mechanical stability during CCI.
C1 [Alcaraz, Jordi; Mori, Hidetoshi; Ghajar, Cyrus M.; Brownfield, Doug; Bissell, Mina J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
[Alcaraz, Jordi; Galgoczy, Roland] Univ Barcelona, Unitat Biofis & Bioengn, E-08036 Barcelona, Spain.
RP Alcaraz, J (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, 1 Cyclotron Rd,MS 977R225A, Berkeley, CA 94720 USA.
EM jalcaraz@ub.edu; mjbissell@lbl.gov
RI Alcaraz, Jordi/F-5513-2016
OI Alcaraz, Jordi/0000-0001-7898-1599
FU U.S. Department of Energy [DE-AC02-05CH1123]; National Cancer Institute
[R37CA064786, U54CA126552, R01CA057621, U54CA112970, U01CA143233,
U54CA143836]; U.S. Department of Defense [W81XWH0810736]; Ministerio de
Ciencia e Innovacion [SAF2009-1324]; la Asociacion Espanola Contra el
Cancer; Lawrence Berkeley National Laboratory
FX We thank C Bustamante and D Fletcher from UC Berkeley (UCB) for the use
of the AFM equipment in their laboratories, and S Smith (Bustamante Lab,
UCB) and A Crow (Fletcher Lab, UCB) for technical assistance. We also
thank all members of the Bissell lab and R Sunyer (UB) for helpful
discussions and technical support. This work was supported by the U.S.
Department of Energy (DE-AC02-05CH1123 to M.J.B.), the National Cancer
Institute (R37CA064786, U54CA126552, R01CA057621, U54CA112970,
U01CA143233, and U54CA143836-Bay Area Physical Sciences-Oncology Center,
University of California, Berkeley, to M.J.B.), the U.S. Department of
Defense (W81XWH0810736 to M.J.B.), the Ministerio de Ciencia e
Innovacion (SAF2009-1324 to J.A.), la Asociacion Espanola Contra el
Cancer (to J.A.) and the Glenn T. Seaborg postdoctoral fellowship from
Lawrence Berkeley National Laboratory (to C.G.).
NR 68
TC 24
Z9 24
U1 1
U2 11
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 1757-9694
EI 1757-9708
J9 INTEGR BIOL-UK
JI Integr. Biol.
PY 2011
VL 3
IS 12
BP 1153
EP 1166
DI 10.1039/c1ib00073j
PG 14
WC Cell Biology
SC Cell Biology
GA 853DW
UT WOS:000297407400001
PM 21993836
ER
PT J
AU Spellman, BA
AF Spellman, Barbara A.
BE Fischhoff, B
Chauvin, C
TI Individual Reasoning
SO INTELLIGENCE ANALYSIS: BEHAVIORAL AND SOCIAL SCIENTIFIC FOUNDATIONS
LA English
DT Article; Book Chapter
ID INFORMATION; SIMILARITY; JUDGMENTS; INSTRUCTION; HINDSIGHT; SEQUENCES;
ATTENTION; COGNITION; LIFE
C1 [Spellman, Barbara A.] Univ Virginia, Psychol, Charlottesville, VA 22903 USA.
[Spellman, Barbara A.] Univ Virginia, Law, Charlottesville, VA 22903 USA.
[Spellman, Barbara A.] Amer Assoc Advancement Sci, Cambridge, MA USA.
[Spellman, Barbara A.] APS, College Pk, MD USA.
[Spellman, Barbara A.] APS, Governing Boards, College Pk, MD USA.
[Spellman, Barbara A.] Psychon Soc, Madison, WI USA.
RP Spellman, BA (reprint author), Univ Virginia, Psychol, Charlottesville, VA 22903 USA.
NR 52
TC 4
Z9 4
U1 0
U2 0
PU NATL ACADEMIES PRESS
PI WASHINGTON
PA 2101 CONSTITUTION AVE, WASHINGTON, DC 20418 USA
BN 978-0-309-17698-9
PY 2011
BP 117
EP 141
PG 25
WC Multidisciplinary Sciences; Social Sciences, Interdisciplinary
SC Science & Technology - Other Topics; Social Sciences - Other Topics
GA BC4IE
UT WOS:000352541500010
ER
PT S
AU Furukawa, Y
Sumida, Y
Kumagai, K
Borsa, F
Nojiri, H
Shimizu, Y
Amitsuka, H
Tenya, K
Kogerler, P
Cronin, L
AF Furukawa, Yuji
Sumida, Yuzuru
Kumagai, Ken-ichi
Borsa, Ferdinando
Nojiri, Hiroyuki
Shimizu, Yusei
Amitsuka, Hiroshi
Tenya, Ken-ichi
Koegerler, Paul
Cronin, Leroy
BE Katori, HA
Kawamura, H
Arima, TH
Fujiyama, S
TI Magnetic properties of the triangular quantum spin tube
[(CuCl(2)tachH)(3)Cl]Cl-2 studied by NMR and magnetization
SO INTERNATIONAL CONFERENCE ON FRUSTRATION IN CONDENSED MATTER (ICFCM)
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Conference on Frustration in Condensed Matter (ICFCM)
CY JAN 11-14, 2011
CL Sendai, JAPAN
SP MEXT Project
ID DYNAMICS
AB Static and dynamical properties of Cu2+ (3d(9); S = 1/2) spins in a twisted Heisenberg triangular spin tube, [(CuCl(2)tachH)(3)Cl]Cl-2, have been investigated by nuclear magnetic resonance (NMR) and magnetization measurements in the temperature range T = 0.05-300 K. Magnetization curves below 0.5 K show a clear change in slope around 5 T, attributed to a signature of 1/3 plateau in magnetization. From a systematic measurement of nuclear spin-lattice relaxation rates as a function of temperature and external field, the fluctuation frequency of Cu2+ spins is found to decrease with decreasing temperature, revealing an unusual slow spin dynamics at low temperatures.
C1 [Furukawa, Yuji; Borsa, Ferdinando; Koegerler, Paul] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
RP Furukawa, Y (reprint author), Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
EM furukawa@ameslab.gov
RI Cronin, Leroy/B-7752-2008; Kogerler, Paul/H-5866-2013
OI Cronin, Leroy/0000-0001-8035-5757; Kogerler, Paul/0000-0001-7831-3953
NR 18
TC 3
Z9 3
U1 0
U2 3
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 320
AR 012047
DI 10.1088/1742-6596/320/1/012047
PG 6
WC Physics, Condensed Matter
SC Physics
GA BYM52
UT WOS:000299350600047
ER
PT S
AU Roy, B
Furukawa, Y
Nath, R
Johnston, DC
AF Roy, Beas
Furukawa, Yuji
Nath, Ramesh
Johnston, David C.
BE Katori, HA
Kawamura, H
Arima, TH
Fujiyama, S
TI Low-temperature (31)P NMR study of the two-dimensional frustrated square
lattice compound BaCdVO(PO(4))(2)
SO INTERNATIONAL CONFERENCE ON FRUSTRATION IN CONDENSED MATTER (ICFCM)
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Conference on Frustration in Condensed Matter (ICFCM)
CY JAN 11-14, 2011
CL Sendai, JAPAN
SP MEXT Project
AB We report the (31)P NMR spectrum and spin-lattice relaxation rate 1/T(1) as a function of temperature in the two-dimensional frustrated square lattice compound BaCdVO(PO(4))(2). The temperature dependence of 1/T(1) indicates the existence of antiferromagnetic ordering at T(N) similar to 1.05 K which is also evidenced by the broadening of the NMR spectrum below that temperature. The temperature dependences of 1/T(1) and 1/T(1)T(chi) just above T(N) demonstrate the importance of two-dimensional antiferromagnetic spin correlations for critical fluctuations.
C1 [Roy, Beas; Furukawa, Yuji; Nath, Ramesh; Johnston, David C.] Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
RP Roy, B (reprint author), Iowa State Univ, Ames Lab, Ames, IA 50011 USA.
EM broy@iastate.edu
RI Nath, Ramesh/C-9345-2011
NR 10
TC 1
Z9 1
U1 0
U2 1
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 320
AR 012048
DI 10.1088/1742-6596/320/1/012048
PG 6
WC Physics, Condensed Matter
SC Physics
GA BYM52
UT WOS:000299350600048
ER
PT S
AU Xu, GY
AF Xu, Guangyong
BE Katori, HA
Kawamura, H
Arima, TH
Fujiyama, S
TI Probing local polar structures in PZN-xPT and PMN-xPT relaxor
ferroelectrics with neutron and x-ray scattering
SO INTERNATIONAL CONFERENCE ON FRUSTRATION IN CONDENSED MATTER (ICFCM)
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Conference on Frustration in Condensed Matter (ICFCM)
CY JAN 11-14, 2011
CL Sendai, JAPAN
SP MEXT Project
ID PHASE-TRANSITIONS; ELECTROMECHANICAL RESPONSE; SINGLE-CRYSTALS;
ELECTRIC-FIELD; CENTRAL-PEAK; PBMG1/3NB2/3O3; INSTABILITY; BEHAVIOR
AB "Polar nano-regions" (PNR) are nanometer sized local polar structures found in relaxor ferroelectric materials. They play key roles in understanding many relaxor properties. Here I will discuss some of our recent work using neutron scattering and x-ray diffraction to probe the properties of the PNR in two prototypical lead based perovskite relaxor systems Pb(Zn1/3Nb2/3)O-3 (PZN), Pb(Mg1/3Nb2/3)O-3 (PMN), and their solid solutions with PbTiO3 (PT). The local atomic structures in the PNR are rather complicated, consisting of polarizations/atomic shifts along both < 110 > and < 100 > directions. These different (components of) local polarizations respond differently to external electric fields along [ 001] or [ 111] directions; and are associated with phonons of different polarizations (T1 and T2 phonon modes). Our work also indicates that the PNR are dynamic at high temperatures well above the Curie temperature T C, and gradually freeze with cooling. A significant portion of the PNR has already become static before a long-range polar order can be established in the bulk. The short-range polar order in the PNR is quite robust, and persists when the system is cooled (with or without external electric field) into the ferroelectric phase. Because of the frustration between charge neutrality and lattice strain in relaxor systems, the low temperature phase of these relaxor materials usually does not have perfect long-range order, but rather a phase where both short-range and long-range polar orders coexist and compete.
C1 Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA.
RP Xu, GY (reprint author), Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA.
EM gxu@bnl.gov
NR 56
TC 3
Z9 3
U1 2
U2 18
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 320
AR 012081
DI 10.1088/1742-6596/320/1/012081
PG 10
WC Physics, Condensed Matter
SC Physics
GA BYM52
UT WOS:000299350600081
ER
PT S
AU Gofryk, K
Sefat, AS
McGuire, MA
Sales, BC
Mandrus, D
Imai, T
Thompson, JD
Bauer, ED
Ronning, F
AF Gofryk, K.
Sefat, A. S.
McGuire, M. A.
Sales, B. C.
Mandrus, D.
Imai, T.
Thompson, J. D.
Bauer, E. D.
Ronning, F.
BE Ronning, F
Batista, C
TI Effect of annealing on the specific heat of optimally doped
Ba(Fe(0.92)Co(0.08))(2)As(2)
SO INTERNATIONAL CONFERENCE ON STRONGLY CORRELATED ELECTRON SYSTEMS (SCES
2010)
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Conference on Strongly Correlated Electron Systems (SCES
2010)
CY JUN 27-JUL 02, 2010
CL Santa Fe, NM
SP Natl High Magnet Field Lab, Dept Energy Natl Labs, Quantum Design, ICAM-I2CAM
AB We report the temperature dependence of the low-temperature specific heat down to 400 mK of the electron-doped Ba(Fe(0.92)Co (0.0 8))(2)As(2) superconductors. We have measured two samples extracted from the same batch: first sample has been measured just after preparation with no additional heat treatment. The sample shows T(c)=20 K, residual specific heat gamma(0)=3.6 mJ/mol K(2) and a Schottky-like contribution at low temperatures. A second sample has been annealed at 800 degrees C for two weeks and shows T(c)=25 K and gamma(0)=1.4 mJ/mol K(2). By subtracting the lattice specific heat, from pure BaFe(2)As(2), the temperature dependence of the electronic specific heat has been obtained and studied. For both samples the temperature dependence of C(el)(T) clearly indicate the presence of low-energy excitations in the system. Their specific heat data cannot be described by single clean s- or d-wave models and the data requires an anisotropic gap scenario which may or may not have nodes.
C1 [Gofryk, K.; Thompson, J. D.; Bauer, E. D.; Ronning, F.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Gofryk, K (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM gofryk@lanl.gov
RI Bauer, Eric/D-7212-2011; McGuire, Michael/B-5453-2009; Gofryk,
Krzysztof/F-8755-2014; Mandrus, David/H-3090-2014;
OI McGuire, Michael/0000-0003-1762-9406; Gofryk,
Krzysztof/0000-0002-8681-6857; Sefat, Athena /0000-0002-5596-3504
NR 13
TC 11
Z9 11
U1 0
U2 5
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 273
AR 012094
DI 10.1088/1742-6596/273/1/012094
PG 5
WC Physics, Condensed Matter
SC Physics
GA BVD96
UT WOS:000291224100094
ER
PT S
AU Joyce, JJ
Durakiewicz, T
Graham, KS
Bauer, ED
Moore, DP
Mitchell, JN
Kennison, JA
Martin, RL
Roy, LE
Scuseria, GE
AF Joyce, J. J.
Durakiewicz, T.
Graham, K. S.
Bauer, E. D.
Moore, D. P.
Mitchell, J. N.
Kennison, J. A.
Martin, R. L.
Roy, L. E.
Scuseria, G. E.
BE Ronning, F
Batista, C
TI Pu Electronic Structure and Photoelectron Spectroscopy
SO INTERNATIONAL CONFERENCE ON STRONGLY CORRELATED ELECTRON SYSTEMS (SCES
2010)
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Conference on Strongly Correlated Electron Systems (SCES
2010)
CY JUN 27-JUL 02, 2010
CL Santa Fe, NM
SP Natl High Magnet Field Lab, Dept Energy Natl Labs, Quantum Design, ICAM-I2CAM
ID PLUTONIUM; STATES
AB The electronic structure of PuCoGa(5), Pu metal, and PuO(2) is explored using photoelectron spectroscopy. Ground state electronic properties are inferred from temperature dependent photoemission near the Fermi energy for Pu metal. Angle-resolved photoemission details the energy vs. crystal momentum landscape near the Fermi energy for PuCoGa(5)which shows significant dispersion in the quasiparticle peak near the Fermi energy. For the Mott insulators AnO(2)(An = U, Pu) the photoemission results are compared against hybrid functional calculations and the model prediction of a crossover from ionic to covalent bonding is found to be reasonable.
C1 [Joyce, J. J.; Durakiewicz, T.; Graham, K. S.; Bauer, E. D.; Moore, D. P.; Mitchell, J. N.; Kennison, J. A.; Martin, R. L.; Roy, L. E.] Los Alamos Natl Lab, Los Alamos, NM 87544 USA.
RP Joyce, JJ (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87544 USA.
EM jjoyce@lanl.gov
RI Bauer, Eric/D-7212-2011; Mitchell, Jeremy/E-2875-2010;
OI Mitchell, Jeremy/0000-0001-7109-3505; Durakiewicz,
Tomasz/0000-0002-1980-1874; Moore, David/0000-0002-0645-587X; Bauer,
Eric/0000-0003-0017-1937
NR 11
TC 6
Z9 6
U1 0
U2 8
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 273
AR 012023
DI 10.1088/1742-6596/273/1/012023
PG 5
WC Physics, Condensed Matter
SC Physics
GA BVD96
UT WOS:000291224100023
ER
PT S
AU Kurita, N
Miclea, CF
Putzke, C
Seyfarth, G
Capan, C
Bianchi, A
Fisk, Z
Thompson, JD
Movshovich, R
AF Kurita, N.
Miclea, C. F.
Putzke, C.
Seyfarth, G.
Capan, C.
Bianchi, A.
Fisk, Z.
Thompson, J. D.
Movshovich, R.
BE Ronning, F
Batista, C
TI Low-temperature thermal conductivity of the noncentrosymmetric
superconductor LaRhSi(3)
SO INTERNATIONAL CONFERENCE ON STRONGLY CORRELATED ELECTRON SYSTEMS (SCES
2010)
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Conference on Strongly Correlated Electron Systems (SCES
2010)
CY JUN 27-JUL 02, 2010
CL Santa Fe, NM
SP Natl High Magnet Field Lab, Dept Energy Natl Labs, Quantum Design, ICAM-I2CAM
ID INVERSION SYMMETRY
AB We report on low-temperature thermal conductivity of the noncentrosymmetric superconductor LaRhSi(3) (T(c) = 2.3 K), which is a paramagnetic analog of the pressure-induced superconductor CeRhSi(3). In the normal state (either in zero field above T(c), or in magnetic field above H(c2)), the thermal conductivity kappa is mostly due to electrons, and shows a nearly T-linear dependence. In the superconducting state, kappa decreases exponentially below T(c), and crosses over to kappa proportional to T(2) behavior at T << T(c). The temperature dependence of thermal conductivity of LaRhSi(3) is similar to that of a number of conventional s-wave superconductors. The field dependence of the residual linear term kappa(0)/T as a function of magnetic field suggests that LaRhSi(3) has no nodes in the superconducting gap.
C1 [Kurita, N.; Miclea, C. F.; Thompson, J. D.; Movshovich, R.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Kurita, N (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM KURITA.Nobuyuki@nims.go.jp
RI Bianchi, Andrea/E-9779-2010
OI Bianchi, Andrea/0000-0001-9340-6971
NR 26
TC 1
Z9 1
U1 0
U2 1
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 273
AR 012077
DI 10.1088/1742-6596/273/1/012077
PG 5
WC Physics, Condensed Matter
SC Physics
GA BVD96
UT WOS:000291224100077
ER
PT S
AU Kurita, N
Ronning, F
Miclea, CF
Tokiwa, Y
Bauer, ED
Subedi, A
Singh, DJ
Sakai, H
Thompson, JD
Movshovich, R
AF Kurita, N.
Ronning, F.
Miclea, C. F.
Tokiwa, Y.
Bauer, E. D.
Subedi, A.
Singh, D. J.
Sakai, H.
Thompson, J. D.
Movshovich, R.
BE Ronning, F
Batista, C
TI Fully gapped superconductivity in Ni-pnictide superconductors
BaNi(2)As(2) and SrNi(2)P(2)
SO INTERNATIONAL CONFERENCE ON STRONGLY CORRELATED ELECTRON SYSTEMS (SCES
2010)
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Conference on Strongly Correlated Electron Systems (SCES
2010)
CY JUN 27-JUL 02, 2010
CL Santa Fe, NM
SP Natl High Magnet Field Lab, Dept Energy Natl Labs, Quantum Design, ICAM-I2CAM
ID THERMAL-CONDUCTIVITY; TEMPERATURE; FIELD
AB We have performed low-temperature specific heat C and thermal conductivity kappa measurements on the Ni-pnictide superconductors BaNi(2)As(2) (T(c) = 0.7 K) and SrNi(2)P(2) (T(c) = 1.4 K). The temperature dependences C(T) and kappa(T) of the two compounds are similar to the results of a number of s-wave superconductors. Furthermore, the concave field responses of the residual kappa for BaNi(2)As(2) rules out the presence of nodes on the Fermi surfaces. We postulate that fully gapped superconductivity could be universal for Ni-pnictide superconductors. Specific heat data on Ba(0.6)La(0.4)Ni(2)As(2) shows a mild suppression of T(c) and H(c2) relative to BaNi(2)As(2).
C1 [Kurita, N.; Ronning, F.; Miclea, C. F.; Tokiwa, Y.; Bauer, E. D.; Sakai, H.; Thompson, J. D.; Movshovich, R.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Kurita, N (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM KURITA.Nobuyuki@nims.go.jp
RI Bauer, Eric/D-7212-2011; Tokiwa, Yoshifumi/P-6593-2015
OI Tokiwa, Yoshifumi/0000-0002-6294-7879
NR 28
TC 5
Z9 5
U1 0
U2 7
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 273
AR 012097
DI 10.1088/1742-6596/273/1/012097
PG 5
WC Physics, Condensed Matter
SC Physics
GA BVD96
UT WOS:000291224100097
ER
PT J
AU Raybourn, EM
AF Raybourn, Elaine M.
BE Bruzzone, A
Buck, W
Sokolowski, JA
TI INCORPORATING REFLECTION INTO LEARNER AND INSTRUCTOR MODELS FOR ADAPTIVE
AND PREDICTIVE COMPUTER-BASED TUTORING ADAPTIVE AND PREDICTIVE
COMPUTER-BASED TUTORING TRACK
SO INTERNATIONAL DEFENSE AND HOMELAND SECURITY SIMULATION WORKSHOP, (DHSS
2011)
LA English
DT Proceedings Paper
CT International Defense and Homeland Security Simulation Workshop (DHSS)
CY SEP 12-14, 2011
CL Rome, ITALY
SP Univ Genoa, DIPTEM, Liophant Simulat, Simulat Team, Int Mediterranean & Latin Amer Council Simulat, Univ Calabria, Mech Dept, Lab Enterprise Solut, Modeling & Simulat Ctr, Modeling & Simulat Ctr Excellence, Riga Tech Univ, MISS Lativan Ctr, LOGISIM, Lab Sci Informat Syst, Movimento Italiano Modellazione Simulazione, Univ Perugia, McLeod Inst SImulat Sci, McLeod Inst SImulat Sci, Brasilian Ctr, LAMCE COPPE UFRJ, McLeod Inst SImulat Sci, Mcleod Modeling & Simulat Network, Lativan Simulat Soc, Ecole Super Ingn Sci Appliquees, Fac Ciencia Exactas Ingn Agrimensura, Univ Laguna, CIFASIS CONICET UNR UPCAM, Inst Syst & Technologies Informat Control & Commun
DE adaptive; predictive tutoring; games; learner model; Reflective
Observer/Evaluator; instructor model; reflection
ID FOSTERS METACOGNITIVE AGILITY; GAME
AB In the present paper the act of learner reflection during training with an adaptive or predictive computer-based tutor is considered a learner-system interaction. Incorporating reflection and real-time evaluation of peer performance into adaptive and predictive computer-based tutoring can support the development of automated adaptation. Allowing learners to refine and inform student models from reflective practice with independent open learner models may improve overall accuracy and relevancy. Given the emphasis on self-directed peer learning with adaptive technology, learner and instructor modeling research continue to be critical research areas for education and training technology.
C1 [Raybourn, Elaine M.] Sandia Natl Labs, Livermore, CA 94550 USA.
[Raybourn, Elaine M.] Adv Distributed Learning Initiat, Livermore, CA USA.
RP Raybourn, EM (reprint author), Sandia Natl Labs, Livermore, CA 94550 USA.
EM emraybo@sandia.gov
FU United States Department of Energy's National Nuclear Security
Administration [DEAC04-94AL85000]
FX 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
DEAC04-94AL85000.
NR 24
TC 0
Z9 0
U1 0
U2 0
PU DIPTEM UNIV GENOA
PI GENOA
PA VIA OPERA OUA 15, GENOA, 16145, ITALY
BN 978-88-903724-3-8
PY 2011
BP 117
EP 122
PG 6
WC Operations Research & Management Science
SC Operations Research & Management Science
GA BG8PN
UT WOS:000392603200017
ER
PT J
AU Silling, SA
AF Silling, S. A.
TI A COARSENING METHOD FOR LINEAR PERIDYNAMICS
SO INTERNATIONAL JOURNAL FOR MULTISCALE COMPUTATIONAL ENGINEERING
LA English
DT Article
DE coarse-graining; multiscale; nonlocal; continuum mechanics; elasticity;
computational mechanics; molecular dynamics
ID LONG-RANGE FORCES; SOLID MECHANICS; ELASTICITY; EQUATION; CONVERGENCE;
MODEL; BAR
AB A method is obtained for deriving peridynamic material models for a sequence of increasingly coarsened descriptions of a body. The starting point is a known detailed, small scale linearized state-based description. Each successively coarsened model excludes some of the material present in the previous model, and the length scale increases accordingly. This excluded material, while not present explicitly in the coarsened model, is nevertheless taken into account implicitly through its effect on the forces in the coarsened material. Numerical examples demonstrate that the method accurately reproduces the effective elastic properties of a composite as well as the effect of a small defect in a homogeneous medium.
C1 Sandia Natl Labs, Multiscale Dynam Mat Modeling Dept, Albuquerque, NM 87185 USA.
RP Silling, SA (reprint author), Sandia Natl Labs, Multiscale Dynam Mat Modeling Dept, POB 5800,MS-1322, Albuquerque, NM 87185 USA.
EM sasilli@sandia.gov
FU NASA [NNL09AA18I]; United States Department of Energy's National Nuclear
Security Administration [DE-AC04-94AL85000]
FX The author gratefully acknowledges helpful discussions with Drs. John
Aidun, Abe Askari, Florin Bobaru, Richard B. Lehoucq, Michael L. Parks,
and Olaf Weckner. This work was performed under a Laboratory Directed
Research and Development project at Sandia National Laboratories and
additionally supported by NASA Interagency Agreement NNL09AA18I. 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 No. DE-AC04-94AL85000.
NR 17
TC 6
Z9 6
U1 2
U2 29
PU BEGELL HOUSE INC
PI REDDING
PA 50 CROSS HIGHWAY, REDDING, CT 06896 USA
SN 1543-1649
J9 INT J MULTISCALE COM
JI Int. J. Multiscale Comput. Eng.
PY 2011
VL 9
IS 6
BP 609
EP 621
PG 13
WC Engineering, Multidisciplinary; Mathematics, Interdisciplinary
Applications
SC Engineering; Mathematics
GA 882TS
UT WOS:000299587400002
ER
PT J
AU Weckner, O
Silling, SA
AF Weckner, Olaf
Silling, Stewart A.
TI DETERMINATION OF NONLOCAL CONSTITUTIVE EQUATIONS FROM PHONON DISPERSION
RELATIONS
SO INTERNATIONAL JOURNAL FOR MULTISCALE COMPUTATIONAL ENGINEERING
LA English
DT Article
DE nonlocal elasticity; long-range forces; integral equations
ID LONG-RANGE FORCES; PERIDYNAMIC STATES; LINEAR ELASTICITY; DYNAMICS;
CONVERGENCE
AB All materials exhibit wave dispersion at 'small' wavelengths leading to non-linearities in experimentally determined dispersion curves. Classical local elasticity fails to predict these non-linearities. Nonlocal continuum mechanics allows for the prediction of the elastic behavior over a considerably wider range of lengthscales. Starting from ab initio lattice dynamics calculations we determine the elastic constants and the phonon dispersion relation for silicon. We verify our results using inelastic neutron scattering data. Next we develop the theoretical and numerical framework to construct nonlocal constitutive equations for longitudinal and transverse acoustic modes.
C1 [Weckner, Olaf] Boeing Co, Seattle, WA 98124 USA.
[Silling, Stewart A.] Sandia Natl Labs, Multiscale Dynam Mat Modeling Dept, Albuquerque, NM 87185 USA.
RP Weckner, O (reprint author), Boeing Co, POB 3707,MC 42-26, Seattle, WA 98124 USA.
EM olaf.weckner@boeing.com
FU United States Department of Energy's National Nuclear Security
Administration [DE-AC04-94AL85000]
FX 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. We thank Stephen Christensen and Andrea Browning from
The Boeing Company for their invaluable help in deriving phonon
dispersion relations using lattice dynamics calculations. Also we are
very grateful to Juliane Dunkel for her critical reading of the
manuscript.
NR 25
TC 7
Z9 7
U1 0
U2 13
PU BEGELL HOUSE INC
PI REDDING
PA 50 CROSS HIGHWAY, REDDING, CT 06896 USA
SN 1543-1649
J9 INT J MULTISCALE COM
JI Int. J. Multiscale Comput. Eng.
PY 2011
VL 9
IS 6
BP 623
EP 634
PG 12
WC Engineering, Multidisciplinary; Mathematics, Interdisciplinary
Applications
SC Engineering; Mathematics
GA 882TS
UT WOS:000299587400003
ER
PT J
AU Burch, N
Lehoucq, RB
AF Burch, Nathanial
Lehoucq, R. B.
TI CLASSICAL, NONLOCAL, AND FRACTIONAL DIFFUSION EQUATIONS ON BOUNDED
DOMAINS
SO INTERNATIONAL JOURNAL FOR MULTISCALE COMPUTATIONAL ENGINEERING
LA English
DT Article
DE nonlocal diffusion; fractional diffusion; anomalous diffusion
ID LAPLACIAN EVOLUTION EQUATION; ADVECTION-DISPERSION; VECTOR CALCULUS;
FORMULATION; TRANSPORT; BEHAVIOR
AB The purpose of this paper is to compare the solutions of one-dimensional boundary value problems corresponding to classical, fractional, and nonlocal diffusion on bounded domains. The latter two diffusions are viable alternatives for anomalous diffusion when Fick's first law is an inaccurate model. In the case of nonlocal diffusion, a generalization of Fick's first law in terms of a nonlocal flux is demonstrated to hold. A relationship between nonlocal and fractional diffusion is also reviewed, where the order of the fractional Laplacian can lie in the interval (0, 2]. The contribution of this paper is to present boundary value problems for nonlocal diffusion including a variational formulation that leads to a conforming finite-element method using piecewise discontinuous shape functions. The nonlocal Dirichlet and Neumann boundary conditions used represent generalizations of the classical boundary conditions. Several examples are given where the effect of nonlocality is studied. The relationship between nonlocal and fractional diffusion explains that the numerical solution of boundary value problems, where the order of the fractional Laplacian can lie in the interval (0, 2], is possible.
C1 [Lehoucq, R. B.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Burch, Nathanial] Colorado State Univ, Dept Math, Ft Collins, CO 80523 USA.
RP Lehoucq, RB (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM rblehou@sandia.gov
FU U.S. Department of Energy [DE-AC04-94AL85000]
FX 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.
NR 18
TC 20
Z9 20
U1 0
U2 5
PU BEGELL HOUSE INC
PI DANBURY
PA 50 NORTH ST, DANBURY, CT 06810 USA
SN 1543-1649
EI 1940-4352
J9 INT J MULTISCALE COM
JI Int. J. Multiscale Comput. Eng.
PY 2011
VL 9
IS 6
BP 661
EP 674
PG 14
WC Engineering, Multidisciplinary; Mathematics, Interdisciplinary
Applications
SC Engineering; Mathematics
GA 882TS
UT WOS:000299587400005
ER
PT J
AU Foster, JT
Silling, SA
Chen, WN
AF Foster, John T.
Silling, Stewart A.
Chen, Weinong
TI AN ENERGY BASED FAILURE CRITERION FOR USE WITH PERIDYNAMIC STATES
SO INTERNATIONAL JOURNAL FOR MULTISCALE COMPUTATIONAL ENGINEERING
LA English
DT Article
DE peridynamic states; integral equations; dynamic fracture; energy failure
criterion
ID ELASTICITY THEORY; 4340 STEEL; BAR
AB Peridynamics is a continuum reformulation of the standard theory of solid mechanics. Unlike the partial differential equations of the standard theory, the basic equations of peridynamics are applicable even when cracks and other singularities appear in the deformation field. Interactions between continuum material points are termed "bonds." In this paper, a method for implementing a rate-dependent plastic material model within a peridynamic numerical code is summarized and a novel failure criterion is then presented by analyzing the energy required to break all bonds across a plane of unit area (energy release rate); with this, one can determine the critical energy density required to irreversibly fail a single bond. By failing individual bonds, this allows cracks to initiate, coalesce, and propagate without a prescribed external crack law. This is demonstrated using experimentally collected fracture toughness measurements to evaluate the energy release rate. Simulations are compared to experimental results.
C1 [Foster, John T.] Univ Texas San Antonio, Dept Mech Engn, San Antonio, TX 78249 USA.
[Foster, John T.; Silling, Stewart A.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Chen, Weinong] Purdue Univ, W Lafayette, IN 47907 USA.
RP Foster, JT (reprint author), Univ Texas San Antonio, Dept Mech Engn, San Antonio, TX 78249 USA.
EM john.foster@utsa.edu
RI Foster, John/K-5291-2016
OI Foster, John/0000-0002-7173-4728
NR 13
TC 15
Z9 15
U1 2
U2 23
PU BEGELL HOUSE INC
PI REDDING
PA 50 CROSS HIGHWAY, REDDING, CT 06896 USA
SN 1543-1649
J9 INT J MULTISCALE COM
JI Int. J. Multiscale Comput. Eng.
PY 2011
VL 9
IS 6
BP 675
EP 687
PG 13
WC Engineering, Multidisciplinary; Mathematics, Interdisciplinary
Applications
SC Engineering; Mathematics
GA 882TS
UT WOS:000299587400006
ER
PT J
AU Seleson, P
Parks, ML
AF Seleson, Pablo
Parks, Michael L.
TI ON THE ROLE OF THE INFLUENCE FUNCTION IN THE PERIDYNAMIC THEORY
SO INTERNATIONAL JOURNAL FOR MULTISCALE COMPUTATIONAL ENGINEERING
LA English
DT Article
DE peridynamics; influence function; nonlocal
ID MOLECULAR-DYNAMICS; CONVERGENCE; ELASTICITY; MODELS
AB The influence function in the peridynamic theory is used to weight the contribution of all the bonds participating in the computation of volume-dependent properties. In this work, we use influence functions to establish relationships between bond-based and state-based peridynamic models. We also demonstrate how influence functions can be used to modulate nonlocal effects within a peridynamic model independently of the peridynamic horizon. We numerically explore the effects of influence functions by studying wave propagation in simple one-dimensional models and brittle fracture in three-dimensional models.
C1 [Parks, Michael L.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Seleson, Pablo] Florida State Univ, Dept Comp Sci, Tallahassee, FL 32306 USA.
RP Parks, ML (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM mlparks@sandia.gov
OI Seleson, Pablo/0000-0003-3279-4231
FU Laboratory Directed Research and Development program at Sandia National
Laboratories; DOE/OASCR [DE-FG02-05ER25698]; United States Department of
Energy [DE-AC04-94-AL85000]
FX This work was supported by the Laboratory Directed Research and
Development program at Sandia National Laboratories. P.S. also
recognizes support from DOE/OASCR under grant number DE-FG02-05ER25698.
The authors acknowledge several insightful discussions with Stewart
Silling (Sandia), Max Gunzburger (Florida State), Rich Lehoucq (Sandia),
and Per Arne Rikvold (Florida State). The authors thank the Florida
State University shared High-Performance Computing Facility and staff
for assistance with the 3D fracture simulations. The authors also
acknowledge helpful comments from the two anonymous referees. Sandia is
a multiprogram laboratory operated by Sandia Corporation, a Lockheed
Martin Company, for the United States Department of Energy under
contract DE-AC04-94-AL85000.
NR 25
TC 25
Z9 25
U1 0
U2 7
PU BEGELL HOUSE INC
PI REDDING
PA 50 CROSS HIGHWAY, REDDING, CT 06896 USA
SN 1543-1649
J9 INT J MULTISCALE COM
JI Int. J. Multiscale Comput. Eng.
PY 2011
VL 9
IS 6
BP 689
EP 706
PG 18
WC Engineering, Multidisciplinary; Mathematics, Interdisciplinary
Applications
SC Engineering; Mathematics
GA 882TS
UT WOS:000299587400007
ER
PT J
AU Elman, HC
Miller, CW
Phipps, ET
Tuminaro, RS
AF Elman, Howard C.
Miller, Christopher W.
Phipps, Eric T.
Tuminaro, Raymond S.
TI ASSESSMENT OF COLLOCATION AND GALERKIN APPROACHES TO LINEAR DIFFUSION
EQUATIONS WITH RANDOM DATA
SO INTERNATIONAL JOURNAL FOR UNCERTAINTY QUANTIFICATION
LA English
DT Article
DE uncertainty quantification; stochastic partial differential equations;
polynomial chaos; stochastic Galerkin method; stochastic sparse grid
collocation; Karhunen-Loeve expansion
AB We compare the performance of two methods, the stochastic Galerkin method and the stochastic collocation method, for solving partial differential equations (PDEs) with random data. The stochastic Galerkin method requires the solution of a single linear system that is several orders larger than linear systems associated with deterministic PDEs. The stochastic collocation method requires many solves of deterministic PDEs, which allows the use of existing software. However, the total number of degrees of freedom in the stochastic collocation method can be considerably larger than the number of degrees of freedom in the stochastic Galerkin system. We implement both methods using the Trilinos software package and we assess their cost and performance. The implementations in Trilinos are known to be efficient, which allows for a realistic assessment of the computational complexity of the methods. We also develop a cost model for both methods which allows us to examine asymptotic behavior.
C1 [Elman, Howard C.] Univ Maryland, Dept Comp Sci, College Pk, MD 20742 USA.
[Elman, Howard C.] Univ Maryland, Inst Adv Comp Studies, College Pk, MD 20742 USA.
[Miller, Christopher W.] Univ Maryland, Dept Appl Math & Sci Computat, College Pk, MD 20742 USA.
[Phipps, Eric T.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Tuminaro, Raymond S.] Sandia Natl Labs, Livermore, CA 94551 USA.
RP Elman, HC (reprint author), Univ Maryland, Dept Comp Sci, College Pk, MD 20742 USA.
EM elman@cs.umd.edu
FU U.S. Department of Energy [DEFG0204ER25619, DE-AC04-94AL85000]; U.S.
National Science Foundation [CCF0726017]; U.S. Department of Energy
National Nuclear Securety Administration through its Advanced Simulation
and Computing Program; U.S. Department of Energy Office of Science ASCR
Applied Math Research program
FX Howard C. Elman was supported by the U.S. Department of Energy under
grant DEFG0204ER25619, and by the U.S. National Science Foundation under
grant CCF0726017. Christopher W. Miller was supported by the U.S.
Department of Energy under grant DEFG0204ER25619. Eric T. Phipps was
supported in part by the U.S. Department of Energy National Nuclear
Securety Administration through its Advanced Simulation and Computing
Program. Raymond S. Tuminaro was supported by the U.S. Department of
Energy Office of Science ASCR Applied Math Research program. Sandia is a
multiprogram laboratory operated by Sandia Corporation, a Lockheed
Martin Company, for the U.S. Department of Energy under contract
DE-AC04-94AL85000.
NR 22
TC 28
Z9 28
U1 0
U2 2
PU BEGELL HOUSE INC
PI REDDING
PA 50 CROSS HIGHWAY, REDDING, CT 06896 USA
SN 2152-5080
EI 2152-5099
J9 INT J UNCERTAIN QUAN
JI Int. J. Uncertain. Quantif.
PY 2011
VL 1
IS 1
BP 19
EP 33
DI 10.1615/Int.J.UncertaintyQuantification.v1.i1.20
PG 15
WC Engineering, Multidisciplinary; Mathematics, Interdisciplinary
Applications
SC Engineering; Mathematics
GA V34QC
UT WOS:000209099900002
ER
PT J
AU Eldred, MS
AF Eldred, Michael S.
TI DESIGN UNDER UNCERTAINTY EMPLOYING STOCHASTIC EXPANSION METHODS
SO INTERNATIONAL JOURNAL FOR UNCERTAINTY QUANTIFICATION
LA English
DT Article
DE stochastic optimization; computational design; polynomial chaos;
stochastic collocation; stochastic sensitivity analysis
AB Nonintrusive polynomial chaos expansion (PCE) and stochastic collocation (SC) methods are attractive techniques for uncertainty quantification due to their fast convergence properties and ability to produce functional representations of stochastic variability. PCE estimates coefficients for known orthogonal polynomial basis functions based on a set of response function evaluations, using sampling, linear regression, tensor-product quadrature, cubature, or Smolyak sparse grid approaches. SC, on the other hand, forms interpolation functions for known coefficients and requires the use of structured collocation point sets derived from tensor product or sparse grids. Once PCE or SC representations have been obtained for a response metric of interest, analytic expressions can be derived for the moments of the expansion and for the design derivatives of these moments, allowing for efficient design under uncertainty formulations involving moment control (e.g., robust design). This paper presents two approaches for moment design sensitivities, one involving a single response function expansion over the full range of both the design and uncertain variables and one involving response function and derivative expansions over only the uncertain variables for each instance of the design variables. These two approaches present trade-offs involving expansion dimensionality, global versus local validity, collocation point data requirements, and L-2 (mean, variance, probability) versus L-infinity (minima, maxima) interrogation requirements. Given this capability for analytic moments and moment sensitivities, bilevel, sequential, and multifidelity formulations for design under uncertainty are explored. Computational results are presented for a set of algebraic benchmark test problems, with attention to design formulation, stochastic expansion type, stochastic sensitivity approach, and numerical integration method.
C1 Sandia Natl Labs, Optimizat & Uncertainty Quantificat Dept, Albuquerque, NM 87185 USA.
RP Eldred, MS (reprint author), Sandia Natl Labs, Optimizat & Uncertainty Quantificat Dept, POB 5800, Albuquerque, NM 87185 USA.
EM mseldre@sandia.gov
FU U.S. Department of Energy's National Nuclear Security Administration
[DE-AC04-94AL85000]
FX Sandia National Laboratories is a multi-program laboratory operated by
Sandia Corporation, a wholly owned subsidiary of Lockheed Martin
company, for the U.S. Department of Energy's National Nuclear Security
Administration under Contract DE-AC04-94AL85000.
NR 44
TC 25
Z9 25
U1 0
U2 10
PU BEGELL HOUSE INC
PI REDDING
PA 50 CROSS HIGHWAY, REDDING, CT 06896 USA
SN 2152-5080
EI 2152-5099
J9 INT J UNCERTAIN QUAN
JI Int. J. Uncertain. Quantif.
PY 2011
VL 1
IS 2
BP 119
EP 146
DI 10.1615/IntJUncertaintyQuantification.v1.i2.20
PG 28
WC Engineering, Multidisciplinary; Mathematics, Interdisciplinary
Applications
SC Engineering; Mathematics
GA V34QD
UT WOS:000209100000002
ER
PT J
AU Dalbey, KR
Karystinos, GN
AF Dalbey, Keith R.
Karystinos, George N.
TI GENERATING A MAXIMALLY SPACED SET OF BINS TO FILL FOR HIGH-DIMENSIONAL
SPACE-FILLING LATIN HYPERCUBE SAMPLING
SO INTERNATIONAL JOURNAL FOR UNCERTAINTY QUANTIFICATION
LA English
DT Article
DE uncertainty quantification; Monte Carlo; Latin hypercube sampling;
space-filling; computational design; high-dimensional methods;
regularity detection
AB In the literature, space-filling Latin hypercube sample designs typically are generated by optimizing some criteria such as maximizing the minimum distance between points or minimizing discrepancy. However, such methods are time consuming and frequently produce designs that are highly regular, which can bias results. A fast way to generate irregular space-filling Latin hypercube sample designs is to randomly distribute the sample points to a pre-selected set of well-spaced bins. Such designs are said to be "binning optimal" and are shown to be irregular. Specifically, Fourier analysis reveals regular patterns in the multi-dimensional spacing of points for the Sobol sequence but not for Binning optimal symmetric Latin hypercube sampling. For M = 2(r) <= 8 dimensions and N = 2(s) >= 2M points, where r and s are non-negative integers, simple patterns can be used to create a list of maximally spaced bins. Good Latin hypercube sample designs for non-power of two dimensions can be generated by discarding excess dimensions. Since the octants/ bins containing the 2 M end points of an "orientation" (a rotated set of orthogonal axes) are maximally spaced, the process of generating the list of octants simplifies to finding a list of maximally spaced orientations. Even with this simplification, the "patterns" for maximally spaced bins in M >= 16 dimensions are not so simple. In this paper, we use group theory to generate 2(M) / (2M) disjoint orientations, and present an algorithm to sort these into maximally spaced order. Conceptually, the procedure works for arbitrarily large numbers of dimensions. However, memory requirements currently preclude even listing the 2(M) / (2M) orientation leaders for M >= 32 dimensions. In anticipation of overcoming this obstacle, we outline a variant of the sorting algorithm with a low memory requirement for use in M >= 32 dimensions.
C1 [Dalbey, Keith R.] Sandia Natl Labs, Dept Optimizat & Uncertainty Quantificat, Albuquerque, NM 87123 USA.
[Karystinos, George N.] Tech Univ Crete, Dept Elect & Comp Engn, Kounoupidiana 73100, Chania, Greece.
RP Karystinos, GN (reprint author), Tech Univ Crete, Dept Elect & Comp Engn, Kounoupidiana 73100, Chania, Greece.
EM karystinos@telecom.tuc.gr
FU United States Department of Energy's National Nuclear Security
Administration [DE-AC04-94AL85000]
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 No.
DE-AC04-94AL85000.
NR 19
TC 3
Z9 3
U1 1
U2 1
PU BEGELL HOUSE INC
PI REDDING
PA 50 CROSS HIGHWAY, REDDING, CT 06896 USA
SN 2152-5080
EI 2152-5099
J9 INT J UNCERTAIN QUAN
JI Int. J. Uncertain. Quantif.
PY 2011
VL 1
IS 3
BP 241
EP 255
DI 10.1615/Int.J.UncertaintyQuantification.v1.i3.40
PG 15
WC Engineering, Multidisciplinary; Mathematics, Interdisciplinary
Applications
SC Engineering; Mathematics
GA V34QE
UT WOS:000209100100004
ER
PT J
AU Xu, XF
Hu, KQ
Beyerlein, IJ
Deodatis, G
AF Xu, X. Frank
Hu, Keqiang
Beyerlein, Irene J.
Deodatis, George
TI STATISTICAL STRENGTH OF HIERARCHICAL CARBON NANOTUBE COMPOSITES
SO INTERNATIONAL JOURNAL FOR UNCERTAINTY QUANTIFICATION
LA English
DT Article
DE load sharing models; statistical size effect; statistical failure;
carbon nanotubes; hierarchical structure; Monte Carlo simulation
AB In modeling and simulation of material failure, a major challenge lies in the computation of stress redistributions during the stochastic propagation of localized failures. In this study, an nth-order generalized local load sharing (GLLS) model is introduced to account for the complexity of such local interactions in an efficient way. The rule is flexible, covering a wide range of load sharing mechanisms between the equal load sharing and local load sharing types. A Monte Carlo simulation model employing various orders of this GLLS rule is used to study the effect of such load redistributions on the failure of a micron-scale carbon nanotube (CNT) fiber. These CNT fibers exhibit a hierarchical structure. At the lowest length scale are single- or multi-walled CNTs with nanoscale diameters (e.g., 1-10 nm), which are aligned and clustered to form small bundles at the next higher length scale (15-60 nm in diameter). Thousands of these CNT bundles aggregate and align to create CNT fibers with micron-scale diameters. The results of this study indicate that the mean strength of the CNT fibers reduces by approximately two-thirds of an order of magnitude when up-scaling from an individual CNT to a CNT fiber. This dramatic strength reduction occurs at three different stages of the up-scaling process: (1) from individual CNTs of length l(t) to CNT bundles of the same length; (2) from a CNT bundle of length lt to a CNT bundle of length l(b)(l(b)= 10l(t)); and (3) from CNT bundles of length l(b) to CNT fibers of the same length. The specific strength reductions during these three stages are provided in the paper. The computed fiber strengths are in the same general range as corresponding experimental values reported in the literature. The ability of the GLLS model to efficiently account for different mechanisms of load sharing, in combination with the multi-stage up-scaling Monte Carlo simulation approach, is expected to benefit the design and optimization of robust structural composites built up from carbon nanotubes.
C1 [Xu, X. Frank; Hu, Keqiang] Stevens Inst Technol, Dept Civil Environm & Ocean Engn, Hoboken, NJ 07307 USA.
[Beyerlein, Irene J.] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Deodatis, George] Columbia Univ, Dept Civil Engn & Engn Mech, New York, NY 10027 USA.
RP Xu, XF (reprint author), Stevens Inst Technol, Dept Civil Environm & Ocean Engn, Hoboken, NJ 07307 USA.
EM x.xu@stevens.edu
FU Department of Energy of the Early Career Principal Investigator Program
[DE-FG02-06ER25732]; Los Alamos National Laboratory Directed Research
and Development (LDRD) [DR20110029]; National Science Foundation
[CMMI-0928129]
FX X. F. Xu and K. Hu acknowledge the support provided by the Department of
Energy under Award No. DE-FG02-06ER25732 of the Early Career Principal
Investigator Program. I. J. Beyerlein acknowledges support provided by
the Los Alamos National Laboratory Directed Research and Development
(LDRD) project DR20110029. G. Deodatis acknowledges the support provided
by the National Science Foundation under Grant No. CMMI-0928129 with Dr.
Mahendra P. Singh as Program Director.
NR 29
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Z9 3
U1 1
U2 6
PU BEGELL HOUSE INC
PI REDDING
PA 50 CROSS HIGHWAY, REDDING, CT 06896 USA
SN 2152-5080
EI 2152-5099
J9 INT J UNCERTAIN QUAN
JI Int. J. Uncertain. Quantif.
PY 2011
VL 1
IS 4
BP 279
EP 295
DI 10.1615/Int.J.UncertaintyQuantification.2011002456
PG 17
WC Engineering, Multidisciplinary; Mathematics, Interdisciplinary
Applications
SC Engineering; Mathematics
GA V34QF
UT WOS:000209100200001
ER
PT J
AU Li, Y
Anitescu, M
Roderick, O
Hickernell, F
AF Li, Yiou
Anitescu, Mihai
Roderick, Oleg
Hickernell, Fred
TI ORTHOGONAL BASES FOR POLYNOMIAL REGRESSION WITH DERIVATIVE INFORMATION
IN UNCERTAINTY QUANTIFICATION
SO INTERNATIONAL JOURNAL FOR UNCERTAINTY QUANTIFICATION
LA English
DT Article
DE uncertainty quantification; representation of uncertainty; stochastic
collocation; heat transfer; energy and the environment
ID DIFFERENTIAL-EQUATIONS; OPTIMIZATION
AB We discuss the choice of polynomial basis for approximation of uncertainty propagation through complex simulation models with capability to output derivative information. Our work is part of a larger research effort in uncertainty quantification using sampling methods augmented with derivative information. The approach has new challenges compared with standard polynomial regression. In particular, we show that a tensor product multivariate orthogonal polynomial basis of an arbitrary degree may no longer be constructed. We provide sufficient conditions for an orthonormal set of this type to exist, a basis for the space it spans. We demonstrate the benefits of the basis in the propagation of material uncertainties through a simplified model of heat transport in a nuclear reactor core. Compared with the tensor product Hermite polynomial basis, the orthogonal basis results in a better numerical conditioning of the regression procedure, a modest improvement in approximation error when basis polynomials are chosen a priori, and a significant improvement when basis polynomials are chosen adaptively, using a stepwise fitting procedure.
C1 [Li, Yiou; Hickernell, Fred] IIT, Dept Appl Math, Chicago, IL 60616 USA.
[Anitescu, Mihai; Roderick, Oleg] Argonne Natl Lab, Div Math & Comp Sci, Argonne, IL 60439 USA.
RP Anitescu, M (reprint author), Argonne Natl Lab, Div Math & Comp Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM anitescu@mcs.anl.gov
FU U.S. Department of Energy [DE-AC02-06CH11357]
FX This work was supported by the U.S. Department of Energy under Contract
DE-AC02-06CH11357.
NR 37
TC 3
Z9 3
U1 0
U2 0
PU BEGELL HOUSE INC
PI REDDING
PA 50 CROSS HIGHWAY, REDDING, CT 06896 USA
SN 2152-5080
EI 2152-5099
J9 INT J UNCERTAIN QUAN
JI Int. J. Uncertain. Quantif.
PY 2011
VL 1
IS 4
BP 297
EP 320
DI 10.1615/Int.J.UncertaintyQuantification.2011002790
PG 24
WC Engineering, Multidisciplinary; Mathematics, Interdisciplinary
Applications
SC Engineering; Mathematics
GA V34QF
UT WOS:000209100200002
ER
PT J
AU Alvarez, E
Meier, A
Weil, KS
Yang, ZG
AF Alvarez, Estefania
Meier, Alan
Weil, K. Scott
Yang, Zhenguo
TI Oxidation Kinetics of Manganese Cobaltite Spinel Protection Layers on
Sanergy HT for Solid Oxide Fuel Cell Interconnect Applications
SO INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY
LA English
DT Article
ID FERRITIC STAINLESS-STEELS; METALLIC INTERCONNECTS; SOFC; TEMPERATURE;
CONDUCTIVITY; SCALES
AB Chromia forming ferritic stainless steels (SS) exhibit many desirable qualities for intermediate temperature solid oxide fuel cell interconnect applications. However, with these alloys, there is a need to prevent chromia volatilization and the associated chromium poisoning at the cathode-electrolyte interface, while ensuring low interfacial electrical resistance with the cell electrodes; a need that has generated renewed interest in the development of oxidation resistant, electrically conductive coatings. In the present study, screen printed (Mn,Co)(3)O(4) coatings were applied to a newly developed ferritic SS alloy, Sanergy HT(Cr-21.9%, Ni-0.5%, Mo-0.88%, Nb-0.60%, and Si-0.05%). The oxidation behavior of both the coated alloy and the bare alloy were evaluated at 800 degrees C in air for exposures times up to 1500 h. The oxidation kinetics, investigated using weight gain and scale thickness measurements, exhibited parabolic behavior for the bare alloy. The oxidation behavior of the coated material could not be explained by a single parabolic mechanism. The calculated parabolic thickening rate constants were compared with published data on other ferritic SS alloy compositions.
C1 [Alvarez, Estefania; Meier, Alan] Alfred Univ, Inamori Sch Engn, Alfred, NY 14802 USA.
[Weil, K. Scott; Yang, Zhenguo] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Alvarez, E (reprint author), Alfred Univ, Inamori Sch Engn, Alfred, NY 14802 USA.
EM ealvare@clemson.edu
FU NYSTAR through Center for Advanced Ceramic Technology (CACT) [C030093]
FX The authors acknowledge NYSTAR for the funding through Center for
Advanced Ceramic Technology (CACT) by a NYSTAR contract # C030093 CDP
grant.
NR 17
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Z9 9
U1 0
U2 10
PU WILEY-BLACKWELL PUBLISHING, INC
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1546-542X
J9 INT J APPL CERAM TEC
JI Int. J. Appl. Ceram. Technol.
PY 2011
VL 8
IS 1
BP 33
EP 41
DI 10.1111/j.1744-7402.2009.02421.x
PG 9
WC Materials Science, Ceramics
SC Materials Science
GA 703HI
UT WOS:000285968600004
ER
PT J
AU Zhang, YX
Sun, S
Olsen, SC
Dubey, MK
He, JH
AF Zhang, Yongxin
Sun, Shan
Olsen, Seth C.
Dubey, Manvendra K.
He, Jinhai
TI CCSM3 simulated regional effects of anthropogenic aerosols for two
contrasting scenarios: rising Asian emissions and global reduction of
aerosols
SO INTERNATIONAL JOURNAL OF CLIMATOLOGY
LA English
DT Article
DE aerosol effects; CCSM3; ENSO; teleconnection
ID BLACK CARBON AEROSOLS; ATMOSPHERIC BROWN CLOUDS; MODEL VERSION-3 CCSM3;
CLIMATE; POLLUTION; MONSOON; PACIFIC; IMPACTS; CHINA
AB This paper examines the effects of two largely contrasting aerosol emissions scenarios on regional climate using National Center for Atmospheric Research Community Climate System Model version 3: (1) increasing the anthropogenic aerosols over China and India by a factor of three and (2) reducing the global anthropogenic aerosols by a factor of 10. Dynamic footprints of the increased Asian aerosols with monthly variations are obtained from Model for OZone And Related chemical Tracers simulations. Increasing Asian aerosol emissions would result in cooling and reduction of precipitation over China and India, with large warming over the USA and southern Canada in winter and cooling in summer. Additionally, large changes in rainfall rate are identified over the tropical regions. In contrast, reducing the global aerosol emissions by a factor of 10 would significantly warm the atmosphere especially over the polluted land areas of both hemispheres. Increases in rainfall over polluted land areas are also noted. Deepening of the Aleutian low and weakening of the Icelandic low in winter are noted in the 500-mb geopotential height under both scenarios suggesting a strengthening of the North Pacific storm track and weakening of the North Atlantic Oscillation. The polar regions of winter hemisphere are subject to large changes in the 500-mb geopotential height. Teleconnection patterns associated with ENSO play important roles in causing large changes in surface air temperature and rainfall far away from the source regions of the altered aerosol concentrations. Copyright (C) 2009 Royal Meteorological Society
C1 [Zhang, Yongxin] Univ Victoria, Pacific Climate Impacts Consortium, Victoria, BC V8W 2Y2, Canada.
[Sun, Shan] NASA, Goddard Inst Space Studies, New York, NY 10025 USA.
[Olsen, Seth C.] Univ Illinois, Dept Atmospher Sci, Urbana, IL 61801 USA.
[Dubey, Manvendra K.] Los Alamos Natl Lab, Div Earth & Environm Sci, Los Alamos, NM 87545 USA.
[He, Jinhai] Nanjing Univ Informat Sci & Technol, Dept Atmospher Sci, Nanjing, Peoples R China.
RP Zhang, YX (reprint author), Univ Victoria, Pacific Climate Impacts Consortium, POB 1700 Sta CSC, Victoria, BC V8W 2Y2, Canada.
EM yongxin.fred@gmail.com
RI Dubey, Manvendra/E-3949-2010; 杨, 宇栋/F-6250-2012; Sun, Shan/H-2318-2015
OI Dubey, Manvendra/0000-0002-3492-790X;
FU Los Alamos National Laboratory [LA-UR-07-3930, LDRD200500014DR];
National Natural Science Foundation of China [2006CB403705]; National
Science Foundation
FX This work (LA-UR-07-3930) was supported by the Los Alamos National
Laboratory through the Laboratory Directed Research Development (LDRD)
Program (Project Number: LDRD200500014DR; PI: Dr. Manvendra K. Dubey).
Support was also provided to Y. Zhang by the National Natural Science
Foundation of China through the 973 Program (Grant Number: 2006CB403705;
PI: Prof. Jinhai He). Three anonymous reviewers are acknowledged for
their constructive comments and suggestions for improving the
manuscript. The model simulations were performed at the NCAR
Computational and Information System Laboratory (CISL). NCAR is
sponsored by the National Science Foundation.
NR 35
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U1 2
U2 9
PU WILEY-BLACKWELL PUBLISHING, INC
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0899-8418
J9 INT J CLIMATOL
JI Int. J. Climatol.
PD JAN
PY 2011
VL 31
IS 1
BP 95
EP 114
DI 10.1002/joc.2060
PG 20
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 703AE
UT WOS:000285936200009
ER
PT J
AU Bojanowski, C
Kulak, RF
AF Bojanowski, Cezary
Kulak, Ronald F.
TI Multi-objective optimisation and sensitivity analysis of a paratransit
bus structure for rollover and side impact tests
SO INTERNATIONAL JOURNAL OF CRASHWORTHINESS
LA English
DT Article
DE rollover; side impact; LSTC IIHS barrier; paratransit bus;
multi-objective optimisation
AB Paratransit buses are heavily used in the United States. A paratransit bus consists of custom passenger compartments mounted onto separate cutaway chassis. The lack of dedicated national crashworthiness standards, along with different construction methods used by paratransit fleet manufacturers, can result in a wide variance of passenger compartment structural strength. In August 2007, the Florida Department of Transportation (FDOT), to ensure adequate crashworthiness performance, introduced a standard stipulating that newly acquired buses must be tested for rollover and side impact conditions. The rollover test is performed using a tilt table test according to UN-ECE Regulation 66. The side impact test involves the impact of a bus by a common sport utility vehicle or pickup truck. In the current study, an original finite element model of a paratransit bus was used in LS-DYNA (R) simulations of both the rollover and the side impact testing procedures per FDOT standard. Using LS-OPT (R), a metamodel-based approach was used to perform multi-objective optimisation of the bus structure for the rollover and the side impact tests. The linear ANOVA and the Sobol's indices approach were used for sensitivity analysis. The structural components of the bus having the greatest influence on the bus performance in the simulated test scenarios were identified. The simulation results show that the original bus design would pass the FDOT testing procedure. However, appropriate redistribution of the mass can noticeably increase its strength for the side impact case.
C1 [Bojanowski, Cezary; Kulak, Ronald F.] Argonne Natl Lab, Div Energy Syst, Transportat Res & Anal Comp Ctr, Argonne, IL 60439 USA.
[Kulak, Ronald F.] RFK Engn Mech Consultants, Naperville, IL USA.
RP Bojanowski, C (reprint author), Argonne Natl Lab, Div Energy Syst, Transportat Res & Anal Comp Ctr, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM cbojanowski@anl.gov
FU US Department of Transportation; US DOT Research and Innovative
Technology Administration
FX Argonne National Laboratory is a US Department of Energy laboratory
managed by UChicago Argonne, LLC. Argonne's Transportation Research and
Analysis Computing Center (TRACC) is supported by the US Department of
Transportation. Argonne's TRACC wishes to acknowledge Dawn Tucker-Thomas
of the US DOT Research and Innovative Technology Administration for
supporting this work. The authors acknowledge the strong support for
this research from TRACC's Director, Dr. Hubert Ley. The authors would
also like to express their appreciation to Robert Westbrook from the
Transit Office of the Florida DOT and Dr. Jerry Wekezer from FAMU-FSU
College of Engineering for allowing using the FE model of the bus.
NR 13
TC 3
Z9 3
U1 2
U2 14
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1358-8265
J9 INT J CRASHWORTHINES
JI Int. J. Crashworthiness
PY 2011
VL 16
IS 6
BP 665
EP 676
DI 10.1080/13588265.2011.616118
PG 12
WC Engineering, Manufacturing; Engineering, Mechanical
SC Engineering
GA 868CA
UT WOS:000298499900007
ER
PT J
AU Berryman, JG
AF Berryman, James G.
TI Mechanics of layered anisotropic poroelastic media with applications to
effective stress for fluid permeability
SO INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE
LA English
DT Article
DE Anisotropic proelasticity; Effective stress; Fluid permeability
ID POROUS-MEDIA; TRANSPORT-PROPERTIES; ROCK; FRACTURE; RESISTIVITY;
DEPENDENCE; POROSITY; MODEL; FLOW
AB The mechanics of vertically layered porous media has some similarities to and some differences from the more typical layered analysis for purely elastic media. Assuming welded solid contact at the solid-solid interfaces implies the usual continuity conditions, which are continuity of the vertical (layering direction) stress components and the horizontal strain components. These conditions are valid for both elastic and poroelastic media. Differences arise through the conditions for the pore pressure and the increment of fluid content in the context of fluid-saturated porous media. The two distinct conditions most often considered between any pair of contiguous layers are: (1) an undrained fluid condition at the interface, meaning that the increment of fluid content is zero (i.e., delta zeta = 0), or (2) fluid pressure continuity at the interface, implying that the change in fluid pressure is zero across the interface (i.e., delta pf = 0). Depending on the types of measurements being made on the system and the pertinent boundary conditions for these measurements, either (or neither) of these two conditions might be directly pertinent. But these conditions are sufficient nevertheless to be used as thought experiments to determine the expected values of all the poroelastic coefficients. For quasi-static mechanical changes over long time periods, we expect drained conditions to hold, so the pressure must then be continuous. For high-frequency wave propagation, the pore-fluid typically acts as if it were undrained (or very nearly so), with vanishing of the fluid increment at the boundaries being appropriate. Poroelastic analysis of both these end-member cases is discussed, and the general equations for a variety of applications to heterogeneous porous media are developed. In particular, effective stress for the fluid permeability of such poroelastic systems is considered; fluid permeabilities characteristic of granular media or tubular pore shapes are treated in some detail, as are permeabilities of some of the simpler types of fractured materials. (C) 2010 Elsevier Ltd. All rights reserved.
C1 Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Berryman, JG (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, 1 Cyclotron Rd,MS 90R1116, Berkeley, CA 94720 USA.
EM JGBerryman@LBL.GOV
FU DOE Office of Basic Energy Sciences, Division of Chemical Sciences,
Geosciences and Biosciences
FX Work performed under the auspices of the US Department of Energy, at the
Lawrence Berkeley National Laboratory under Contract No.
DE-AC02-05CH11231. Support was provided specifically by the Geosciences
Research Program of the DOE Office of Basic Energy Sciences, Division of
Chemical Sciences, Geosciences and Biosciences. Additional support was
provided by the Enhanced Geothermal Systems Demonstration Project on
Induced Seismicity. All support of this research is gratefully
acknowledged.
NR 47
TC 6
Z9 6
U1 2
U2 14
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0020-7225
EI 1879-2197
J9 INT J ENG SCI
JI Int. J. Eng. Sci.
PD JAN
PY 2011
VL 49
IS 1
SI SI
BP 122
EP 139
DI 10.1016/j.ijengsci.2010.06.027
PG 18
WC Engineering, Multidisciplinary
SC Engineering
GA 702NJ
UT WOS:000285901100010
ER
PT J
AU Barai, P
Weng, GJ
AF Barai, Pallab
Weng, George J.
TI A micro-continuum model for the creep behavior of complex
nanocrystalline materials
SO INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE
LA English
DT Article
DE Creep; Nanocrystalline materials; Nanoparticles and nano pores;
Grain-size effects; Micromechanics
ID STRAIN-RATE SENSITIVITY; GRAIN-SIZE DEPENDENCE; MECHANICAL-PROPERTIES;
REINFORCED COMPOSITES; YIELD STRENGTH; FCC METALS; PLASTICITY; SOLIDS;
MIXTURES; TENSILE
AB A nanocrystalline material which has an average grain size of less than 100 nm is characterized with a significant portion of atoms residing in the grain boundaries or in the grain-boundary affected zone (GBAZ), while nanocrystalline materials with a more complex structure may contain additional strengthening nanoparticles or nano pores. In this article we develop a micro-continuum model to capture the creep response of such a complex nanocrystalline system. We make use of the concept of a three-phase composite with the GBAZ serving as the matrix, and grain interiors and dispresed particles (or voids) as two distinct types of inclusions. Both the grain interior and the GB zone are capable of undergoing the rate-dependent plastic deformation, but the strengthening nanoparticles or pores are taken to deform only elastically. During deformation the porosity will continue to evolve: its evolution is also addressed. In addition, the effect of temperature on the overall creep response is also accounted for. Several important features of creep characteristics in light of grain size, and nanoparticle and nanopore concentrations, are illustrated, and it is also demonstrated that the calculated results are in reasonable agreement with available experimental data. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Weng, George J.] Rutgers State Univ, Dept Mech & Aerosp Engn, New Brunswick, NJ 08903 USA.
[Barai, Pallab] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37830 USA.
RP Weng, GJ (reprint author), Rutgers State Univ, Dept Mech & Aerosp Engn, New Brunswick, NJ 08903 USA.
EM weng@jove.rutgers.edu
RI Weng, George/J-3482-2014
OI Weng, George/0000-0003-1543-1535
FU Mathematical, Information and Computational Sciences Division, Office of
Advanced Scientific Computing Research, US Department of Energy
[DE-AC05-00OR22725]; UT-Battelle, LLC; National Science Foundation
[CMS-0510409]
FX This research was sponsored by the Mathematical, Information and
Computational Sciences Division, Office of Advanced Scientific Computing
Research, US Department of Energy under contract number
DE-AC05-00OR22725 with UT-Battelle, LLC, and by the National Science
Foundation, Mechanics and Materials Program, under CMS-0510409.
NR 43
TC 5
Z9 5
U1 0
U2 5
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0020-7225
J9 INT J ENG SCI
JI Int. J. Eng. Sci.
PD JAN
PY 2011
VL 49
IS 1
SI SI
BP 155
EP 174
DI 10.1016/j.ijengsci.2010.09.019
PG 20
WC Engineering, Multidisciplinary
SC Engineering
GA 702NJ
UT WOS:000285901100012
ER
PT J
AU Zhang, YQ
Freifeld, B
Finsterle, S
Leahy, M
Ennis-King, J
Paterson, L
Dance, T
AF Zhang, Yingqi
Freifeld, Barry
Finsterle, Stefan
Leahy, Martin
Ennis-King, Jonathan
Paterson, Lincoln
Dance, Tess
TI Single-well experimental design for studying residual trapping of
supercritical carbon dioxide
SO INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
LA English
DT Article
DE Single-well test; Residual CO2 saturation; Geologic carbon sequestration
ID VADOSE ZONE CHARACTERIZATION; PARTITIONING TRACER TEST; NONAQUEOUS PHASE
LIQUID; PUSH-PULL TESTS; OIL SATURATION; POROUS-MEDIA; GAS TRACERS;
WATER; CONTAMINATION; SUBSURFACE
AB The objective of our research is to design a single-well injection-withdrawal test to evaluate residual phase trapping at potential CO2 geological storage sites. Given the significant depths targeted for CO2 storage and the resulting high costs associated with drilling to those depths, it is attractive to develop a single-well test that can provide data to assess reservoir properties and reduce uncertainties in the appraisal phase of site investigation. The main challenges in a single-well test design include (1) difficulty in quantifying the amount of CO2 that has dissolved into brine or migrated away from the borehole; (2) non-uniqueness and uncertainty in the estimate of the residual gas saturation (S-gr) due to correlations among various parameters; and (3) the potential biased S-gr estimate due to unaccounted heterogeneity of the geological medium. To address each of these challenges, we propose (1) to use a physical-based model to simulation test sequence and inverse modeling to analyze data information content and to quantify uncertainty; (2) to jointly use multiple data types generated from different kinds of tests to constrain the S-gr estimate; and (3) to reduce the sensitivity of the designed tests to geological heterogeneity by conducting the same test sequence in both a water-saturated system and a system with residual gas saturation. To perform the design calculation, we build a synthetic model and conduct a formal analysis for sensitivity and uncertain quantification. Both parametric uncertainty and geological uncertainty are considered in the analysis. Results show (1) uncertainty in the estimation of S-gr can be reduced by jointly using multiple data types and repeated tests; and (2) geological uncertainty is essential and needs to be accounted for in the estimation of S-gr and its uncertainty. The proposed methodology is applied to the design of a CO2 injection test at CO2CRC's Otway Project Site, Victoria, Australia. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Zhang, Yingqi] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, Berkeley, CA 94720 USA.
[Leahy, Martin; Ennis-King, Jonathan; Paterson, Lincoln; Dance, Tess] CSIRO Petr, Clayton, Vic, Australia.
RP Zhang, YQ (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Earth Sci, MS 90R1116,1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM yqzhang@lbl.gov
RI Finsterle, Stefan/A-8360-2009; Paterson, Lincoln/B-7156-2015; Zhang,
Yingqi/D-1203-2015; Freifeld, Barry/F-3173-2010;
OI Finsterle, Stefan/0000-0002-4446-9906; Ennis-King,
Jonathan/0000-0002-4016-390X
FU Office of Fossil Energy, U.S. Department of Energy, National Energy
Technology Laboratory through the Australian CO2CRC [DE-AC02-05CH11231]
FX The authors wish to acknowledge the review provided by Christine Doughty
from Lawrence Berkeley National Laboratory and thank the two anonymous
reviewers for their most useful suggestions. Funding to support this
study has been provided by the Assistant Secretary of the Office of
Fossil Energy, U.S. Department of Energy, National Energy Technology
Laboratory under contract DE-AC02-05CH11231 and through the Australian
CO2CRC.
NR 36
TC 23
Z9 24
U1 1
U2 9
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 1750-5836
J9 INT J GREENH GAS CON
JI Int. J. Greenh. Gas Control
PD JAN
PY 2011
VL 5
IS 1
BP 88
EP 98
DI 10.1016/j.ijggc.2010.06.011
PG 11
WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Energy & Fuels; Engineering,
Environmental
SC Science & Technology - Other Topics; Energy & Fuels; Engineering
GA 717SC
UT WOS:000287066700010
ER
PT J
AU Dooley, JJ
AF Dooley, James J.
TI Valuing national and basin level geologic CO2 storage capacity
assessments in a broader context
SO INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
LA English
DT Article
DE Carbon dioxide capture and storage; Geologic CO2 storage assessments;
Greenhouse gas mitigation
ID CARBON-DIOXIDE; UNDERGROUND-STORAGE; GAS-RESERVOIRS; AQUIFERS; CAPTURE;
DISPOSAL; COST
AB By their very nature, early national and basin scale assessments of geologic carbon dioxide (CO2) storage capacity must rely on simplifying assumptions and generalizations across a broad range of deep geologic structures. Key aspects of the technical literature and much of the public policy dialogue surrounding these assessments tend to emphasize the lack of detailed data and uncertainties at these scales. However, looking beyond the imperfections of data and methodology, the results of such assessments offer significant value in helping us to understand the potential for carbon dioxide capture and storage (CCS) technologies to deploy across various regions of the world. Published by Elsevier Ltd.
C1 Pacific NW Natl Lab, Joint Global Change Res Inst, 5825 Univ Res Court Suite 3500, College Pk, MD 20740 USA.
RP Dooley, JJ (reprint author), Pacific NW Natl Lab, Joint Global Change Res Inst, 5825 Univ Res Court Suite 3500, College Pk, MD 20740 USA.
EM jj.dooley@pnl.gov
OI Dooley, James/0000-0002-2824-4344
NR 27
TC 10
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U1 0
U2 7
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 1750-5836
EI 1878-0148
J9 INT J GREENH GAS CON
JI Int. J. Greenh. Gas Control
PD JAN
PY 2011
VL 5
IS 1
BP 177
EP +
DI 10.1016/j.ijggc.2010.07.002
PG 2
WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Energy & Fuels; Engineering,
Environmental
SC Science & Technology - Other Topics; Energy & Fuels; Engineering
GA 717SC
UT WOS:000287066700018
ER
PT J
AU Bhouri, M
Goyette, J
Hardy, BJ
Anton, DL
AF Bhouri, Maha
Goyette, Jacques
Hardy, Bruce J.
Anton, Donald L.
TI Sensitivity study of alanate hydride storage system
SO INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
LA English
DT Article
DE Hydrogen storage system; Numerical study; Fin thickness; Heat exchanger
tubes
ID HYDROGEN STORAGE; HEAT-EXCHANGER; DESIGN; REACTORS; DEVICE
AB A successful metal hydride application is closely related to an optimized design of the storage hydrogen system. In previous studies, Hardy and Anton developed scoping and numerical models describing phenomena occurring during the loading process in an alanate storage system having the configuration of a cylindrical shell, tube and fin heat exchanger. In this paper, the numerical tool is used to evaluate the influence of varying the fin thickness and the number of heat exchanger tubes on both the loading and discharging processes. The objective is to evaluate the influence of the geometric parameters of these heat exchangers on the management of heat to be removed/supplied during the sorption process and thus optimize the loading/discharging times; while having the maximum possible volume for containing the hydride and the lightest weight of the storage system. Results showed that equipping the storage system with fins fitted to the heat exchanger tubes is the best design for efficient use of the hydride bed. In the absence of fins, a number of optimal tubes is determined, however, the hydrogen uptake rate is still lower than one obtained for the finned case and there is a reduction of volumetric and gravimetric storage capacities by comparison to the finned system. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
C1 [Bhouri, Maha; Goyette, Jacques] Univ Quebec, Hydrogen Res Inst, Trois Rivieres, PQ G9A 5H7, Canada.
[Hardy, Bruce J.; Anton, Donald L.] Savannah River Natl Lab, Aiken, SC 29808 USA.
RP Bhouri, M (reprint author), Univ Quebec, Hydrogen Res Inst, 3351 Blvd DesForges,POB 500, Trois Rivieres, PQ G9A 5H7, Canada.
EM maha.bhouri@uqtr.ca
FU Canadian International Development Agency; NSERC Hydrogen Canada (H2CAN)
Strategic Research Network; Natural Resources Canada; United States
Department of Energy through the Hydrogen Storage Engineering Center of
Excellence
FX M.B. would like to thank the Canadian International Development Agency
for a graduate student fellowship. This work was funded in part by the
NSERC Hydrogen Canada (H2CAN) Strategic Research Network and by Natural
Resources Canada.; B.J.H. and D.L.A. wish to acknowledge the support and
funding of the United States Department of Energy through the Hydrogen
Storage Engineering Center of Excellence.
NR 12
TC 13
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U1 0
U2 2
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 JAN
PY 2011
VL 36
IS 1
BP 621
EP 633
DI 10.1016/j.ijhydene.2010.10.009
PG 13
WC Chemistry, Physical; Electrochemistry; Energy & Fuels
SC Chemistry; Electrochemistry; Energy & Fuels
GA 731JR
UT WOS:000288102700067
ER
PT J
AU Bray, TH
Copping, R
Shuh, DK
Gibson, JK
AF Bray, Travis H.
Copping, Roy
Shuh, David K.
Gibson, John K.
TI Electrospray ionization mass spectrometry of a cerium(III)
phosphomolybdate complex: Condensed and gas-phase cluster chemistry
SO INTERNATIONAL JOURNAL OF MASS SPECTROMETRY
LA English
DT Article
DE Electrospray ionization; Quadrupole ion trap; Phosphomolybdate;
Polyoxometalate; Cerium; Collision induced dissociation
ID PH-DEPENDENCE; POLYOXOMETALATE; ANIONS; POLYOXOTUNGSTATE; KEGGIN;
DAWSON; IONS
AB Electrospray ionization quadrupole ion trap mass spectrometry (ESI-QIT/MS) of the ammonium cerium(III) phosphomolybdate complex (NH4)(11) [Ce(III)(PMo11O39)(2)] in aqueous media has revealed a concentration-dependent behavior. Under fixed instrumental parameters, the Ce-containing polyoxomolybdate complexes H2Ce(III)P2Mo22O753- and Ce(III)PMo11O382- are the primary species present at 11 mM (pH =4.3); at 0.7 mM (pH =3.6), Ce(III)PMo10O352- is the predominant species, Ce(III)PMo11O382- is quite diminished, and H2Ce(III)P2MO22O753- is absent. As a result of the complex isotopic fingerprints from multiple molybdenums, compositions of such ions are difficult to assign successive collision induced dissociation (CID) of large ions produced smaller ions for which calculated and experimental isotopic patterns could be compared. The oxidation state of Ce and the number of counter cations on negative complexes was discerned from spectra of ions containing H-1(+) and 7 Li+. The overall result is an ESI method applicable to phosphomolybdate complexes containing redox sensitive f-block metal ions such as Ce(IV) and Pu(III/IV). Dissociation studies also gave insight into favored fragmentation pathways, and generated gas ions with empirical formulae similar to known condensed-phase ions. Deconvolution of concentration- and pH-dependent solution behavior via ESI/MS and P-31 NMR spectroscopy showed speciation dependent on solution concentration, not on pH. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Bray, Travis H.; Copping, Roy; Shuh, David K.; Gibson, John K.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Glenn T Seaborg Ctr, Berkeley, CA 94720 USA.
RP Gibson, JK (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Glenn T Seaborg Ctr, Berkeley, CA 94720 USA.
EM JKGibson@lbl.gov
FU Office of Science, Office of Basic Energy Sciences, Division of Chemical
Sciences, Geosciences, and Biosciences of the U.S. Department of Energy
at LBNL [DE-AC02-05CH11231]
FX The authors thank Dr. Wayne Lukens and Dr. Rebecca Abergel for
suggestions and assistance, and Dr. Philip Rutkowski for critical
comments on the manuscript. This research 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
at LBNL under Contract No. DE-AC02-05CH11231.
NR 33
TC 8
Z9 8
U1 3
U2 19
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 1387-3806
J9 INT J MASS SPECTROM
JI Int. J. Mass Spectrom.
PD JAN 1
PY 2011
VL 299
IS 1
BP 35
EP 46
DI 10.1016/j.ijms.2010.09.015
PG 12
WC Physics, Atomic, Molecular & Chemical; Spectroscopy
SC Physics; Spectroscopy
GA 694EW
UT WOS:000285278800007
ER
PT J
AU Bang, BH
Yoon, SS
Kim, HY
Heister, SD
Park, H
James, SC
AF Bang, B. H.
Yoon, S. S.
Kim, H. Y.
Heister, S. D.
Park, H.
James, S. C.
TI Assessment of gas and liquid velocities induced by an impacting liquid
drop
SO INTERNATIONAL JOURNAL OF MULTIPHASE FLOW
LA English
DT Article
DE BEM; Two-phase flow; Drop impact; Air entrapment; Aerodynamics effect;
Kelvin-Helmholtz instability; Splashing
ID MOLTEN-METAL DROPLETS; SOLID-SURFACE; FLAT SURFACE; BUBBLE ENTRAINMENT;
SINGLE DROP; DRY SURFACE; SPLASH; DEFORMATION; COLLISION; BOUNDARY
AB A two-phase flow model using the boundary element method was applied to investigate the physics of a liquid drop impacting onto a solid, dry plate. Xu et al. showed that air pressure plays an important role in splashing: as air pressure was reduced, splashing of an ethanol drop with a Weber number of 838 was suppressed. This remarkable observation provided the motivation for the current modeling effort. We numerically investigate how air pressure affects the behavior of an impacting drop. Surveying both inside and outside the impacting drop, velocities of both the liquid and gas are computed. Simulations show that gas speed, as it is displaced by the falling drop, is more than three times higher than the incoming drop speed. Air entrainment induced by the displaced gas seems to be an important contributor to corona formation, which always precedes any instability, fingering, or splashing of the liquid. To describe drop-impact phenomena, the maximum spreading diameter of the drop and the topology of the impacting fluid are reported as functions of Weber number and gas density. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Bang, B. H.; Yoon, S. S.; Kim, H. Y.] Korea Univ, Dept Mech, Seoul 136713, South Korea.
[Heister, S. D.] Purdue Univ, Sch Aeronaut & Astronaut, W Lafayette, IN 47907 USA.
[Park, H.] ADD, Taejon 305152, South Korea.
[James, S. C.] Sandia Natl Labs, Livermore, CA 94551 USA.
RP Yoon, SS (reprint author), Korea Univ, Dept Mech, 5 Ga, Seoul 136713, South Korea.
EM skyoon@korea.ac.kr
OI James, Scott/0000-0001-7955-0491
FU Ministry of Knowledge Economy [2009-3021010030-11-1]; Korea Research
Council Industrial Science and Technology, Republic of Korea
[B551179-08-03-00]; United States Department of Energy's National
Nuclear Security Administration [DE-AC04-94AL85000]
FX This research was supported by Research Center of Breakthrough
Technology Program through the Korea Institute of Energy Technology
Evaluation and Planning (KETEP) funded by the Ministry of Knowledge
Economy (2009-3021010030-11-1). This study was partly supported by a
grant from the cooperative R&D Program (B551179-08-03-00) funded by the
Korea Research Council Industrial Science and Technology, Republic of
Korea. The last author acknowledges that 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 59
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U1 1
U2 35
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0301-9322
EI 1879-3533
J9 INT J MULTIPHAS FLOW
JI Int. J. Multiph. Flow
PD JAN
PY 2011
VL 37
IS 1
BP 55
EP 66
DI 10.1016/j.ijmultiphaseflow.2010.08.008
PG 12
WC Mechanics
SC Mechanics
GA 689YL
UT WOS:000284966900006
ER
PT J
AU Weyens, N
Truyens, S
Saenen, E
Boulet, J
Dupae, J
Taghavi, S
van der Lelie, D
Carleer, R
Vangronsveld, J
AF Weyens, Nele
Truyens, Sascha
Saenen, Eline
Boulet, Jana
Dupae, Joke
Taghavi, Safiyh
van der Lelie, Daniel
Carleer, Robert
Vangronsveld, Jaco
TI Endophytes and Their Potential to Deal with Co-Contamination of Organic
Contaminants (Toluene) and Toxic Metals (Nickel) During Phytoremediation
SO INTERNATIONAL JOURNAL OF PHYTOREMEDIATION
LA English
DT Article
DE endophytes; toxic metals; organic contaminants; Ni; toluene;
co-contamination
ID HEAVY-METALS; BACTERIA; SOIL; DEGRADATION; POLLUTANTS; RESISTANCE;
IMPACT
AB The aim was to investigate if engineered endophytes that are capable of degrading organic contaminants, and deal with or ideally improve uptake and translocation of toxic metals, can improve phytoremediation of mixed organic-metal pollution. As a model system, yellow lupine was inoculated with the endophyte Burkholderia cepacia VM1468 possessing (a) the pTOM-Bu61 plasmid, coding for constitutive toluene/TCE degradation, and (b) the chromosomally inserted ncc-nre Ni resistance/sequestration system. As controls, plants were inoculated with B. vietnamiensis BU61 (pTOM-Bu61) and B. cepacia BU72 (containing the ncc-nre Ni resistance/sequestration system). Plants were exposed to mixes of toluene and Ni. Only inoculation with B. cepacia VM1468 resulted in decreased Ni and toluene phytotoxicity, as measured by a protective effect on plant growth and decreased activities of enzymes involved in antioxidative defence (catalase, guaiacol peroxidase, superoxide dismutase) in the roots. Besides, plants inoculated with B. cepacia VM1468 and B. vietnamiensis BU61 released less toluene through the leaves than non-inoculated plants and those inoculated with B. cepacia BU72. Ni-uptake in roots was slightly increased for B. cepacia BU72 inoculated plants. These results indicate that engineered endophytes have the potential to assist their host plant to deal with co-contamination of toxic metals and organic contaminants during phytoremediation.
C1 [Weyens, Nele; Truyens, Sascha; Saenen, Eline; Boulet, Jana; Dupae, Joke; Carleer, Robert; Vangronsveld, Jaco] Hasselt Univ, Ctr Environm Sci, B-3590 Diepenbeek, Belgium.
[Taghavi, Safiyh; van der Lelie, Daniel] Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA.
RP Vangronsveld, J (reprint author), Hasselt Univ, Ctr Environm Sci, Agoralaan Bldg, B-3590 Diepenbeek, Belgium.
EM jaco.vangronsveld@uhasselt.be
FU Institute for the Promotion of Innovation through Science and Technology
in Flanders (IWT-Vlaanderen); Fund for Scientific Research Flanders
(FWO-Vlaanderen); UHasselt Methusalem [08M03VGRJ]; US Department of
Energy, Office of Science, BER [KP1102010, DE-AC02-98CH10886];
Brookhaven National Laboratory [LDRD05-063, 09-005]; U.S. Department of
Energy
FX This research was funded by the Institute for the Promotion of
Innovation through Science and Technology in Flanders (IWT-Vlaanderen)
for N.W. and for J.D. and by the Fund for Scientific Research Flanders
(FWO-Vlaanderen), Ph.D. grant for J.B. This work was also supported by
the UHasselt Methusalem project 08M03VGRJ. D.v.d.L. and S.T. are
supported by the US Department of Energy, Office of Science, BER,
project number KP1102010 under contract DE-AC02-98CH10886, and by
Laboratory Directed Research and Development funds (LDRD05-063 & 09-005)
at the Brookhaven National Laboratory under contract with the U.S.
Department of Energy. We thank J. Czech for GC analysis.
NR 24
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U1 2
U2 27
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
SN 1522-6514
J9 INT J PHYTOREMEDIAT
JI Int. J. Phytoremediat.
PY 2011
VL 13
IS 3
BP 244
EP 255
AR PII 927134237
DI 10.1080/15226511003753920
PG 12
WC Environmental Sciences
SC Environmental Sciences & Ecology
GA 714PQ
UT WOS:000286821900003
PM 21598790
ER
PT J
AU Centofanti, T
Tappero, RV
Davis, AP
Chaney, RL
AF Centofanti, Tiziana
Tappero, Ryan V.
Davis, Allen P.
Chaney, Rufus L.
TI Chelator-Buffered Nutrient Solution is Ineffective in Extracting NI From
Seeds of Alyssum
SO INTERNATIONAL JOURNAL OF PHYTOREMEDIATION
LA English
DT Article
DE nickel; HEDTA; solution culture; seeds; localization; Alyssum
ID NICKEL; HYPERACCUMULATION; LOCALIZATION; MURALE; PIXE
AB Hyperaccumulator species of the genera Alyssum can accumulate 100 times more Ni than normal crops and are therefore used for phytomining and phytoextraction of nickel contaminated soils. Basic studies on the physiology and metal uptake mechanisms of these plants are needed to increase efficiency and uptake capacity of Nickel (Ni) by hyperaccumulators. Recent attempts to disclose if those hyperaccumulator species require higher Ni level than normal plants failed because of the high Ni content in the seeds (7000-9000 g g-1). In this study, we attempted to use chelator buffered nutrient solution to deplete Ni from the seed/seed coat and to obtain low Ni seedlings of Alyssum cultivars to be used in physiology studies. HEDTA-buffered nutrient solution did not deplete Ni from the seeds, perhaps because Ni was mainly localized within the seedling embryonic tissues with greatest Ni enrichment in the cotyledons and hypocotyls. We could not observe any positive correlation between seed fitness and germination capacity with seed Ni content. Investigation of nickel localization in Alyssum seeds using synchrotron X-ray microfluorescence (-SXRF) showed that nickel is localized in the embryonic tissues with greatest Ni enrichment observed in the cotyledons and hypocotyl.
C1 [Centofanti, Tiziana; Davis, Allen P.] Univ Maryland, Dept Civil & Environm Engn, College Pk, MD 20742 USA.
[Centofanti, Tiziana; Chaney, Rufus L.] Agr Res Serv, USDA, Environm Management & Byprod Utilizat Lab, Beltsville, MD USA.
[Tappero, Ryan V.] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Centofanti, T (reprint author), Room 214,10300 Baltimore Ave,BLDG 007 Barc W, Beltsville, MD 20705 USA.
EM tiziana.centofanti@gmail.com
RI DAVIS, ALLEN/F-1066-2017
OI DAVIS, ALLEN/0000-0001-7818-1890
FU U.S. Department of Energy-Geosciences [DE-FG02-92ER14244]; Brookhaven
National Laboratory Department of Environmental Sciences; U.S.
Department of Energy, Office of Science, Office of Basic Energy Sciences
[DE-AC02-98CH10886]
FX Portions of this work were performed at Beamline X27A, National
Synchrotron Light Source (NSLS), Brookhaven National Laboratory. X27A is
supported in part by the U.S. Department of Energy-Geosciences
(DE-FG02-92ER14244 to The University of Chicago-CARS) and Brookhaven
National Laboratory Department of Environmental Sciences. Use of the
NSLS was supported by the U.S. Department of Energy, Office of Science,
Office of Basic Energy Sciences, under Contract No. DE-AC02-98CH10886.
NR 15
TC 1
Z9 1
U1 1
U2 9
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
SN 1522-6514
J9 INT J PHYTOREMEDIAT
JI Int. J. Phytoremediat.
PY 2011
VL 13
IS 5
BP 434
EP 440
AR PII 929200607
DI 10.1080/15226514.2010.483264
PG 7
WC Environmental Sciences
SC Environmental Sciences & Ecology
GA 733PV
UT WOS:000288276000004
PM 21598774
ER
PT J
AU Beyerlein, IJ
Mara, NA
Bhattacharyya, D
Alexander, DJ
Necker, CT
AF Beyerlein, Irene J.
Mara, Nathan A.
Bhattacharyya, Dhriti
Alexander, David J.
Necker, Carl T.
TI Texture evolution via combined slip and deformation twinning in rolled
silver-copper cast eutectic nanocomposite
SO INTERNATIONAL JOURNAL OF PLASTICITY
LA English
DT Article
DE Multilayer; Nanocomposite; Twinning; Texture; Silver-copper
ID AG FILAMENTARY COMPOSITES; SEVERE PLASTIC-DEFORMATION; STACKING-FAULT
ENERGIES; LOW STRAIN-RATE; CU-AG; ROOM-TEMPERATURE; GRAIN-SIZE;
CONSTITUTIVE DESCRIPTION; MECHANICAL RESPONSE; FCC METALS
AB In this work, a silver-copper (Ag-Cu) nanocomposite with 200 nm bilayer thickness and eutectic composition was rolled at room temperature and 200 degrees C to nominal reductions of 75% and higher. Initially the material had a random texture and {1 1 1} bi-metal interface plane. X-ray diffraction measurements show that the Ag and Cu phases developed the same brass-type (or 'alloy-type') rolling texture regardless of rolling reduction and temperature. Transmission electron microscopy analyses of the nanostructures before and after rolling suggest that adjoining Ag and Cu layers maintained a cube-on-cube relationship but the interface plane changed after rolling. Polycrystal plasticity simulations accounting for plastic slip and deformation twinning in each phase were carried out to explore many possible causes for the brass-type texture development: twinning via a volume effect or barrier effect, Shockley partial slip, and confined layer slip. The results suggest that the observed texture evolution may be due to profuse twinning within both phases. Maintaining the cube-on-cube relationship would then imply that neighboring Ag and Cu crystals twinned by the same variant and on a twin plane non-parallel to the original interface plane. Explanations for this unusual possibility for Cu are provided at the end based on the properties of the Ag-Cu interface. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Beyerlein, Irene J.; Mara, Nathan A.; Bhattacharyya, Dhriti; Alexander, David J.; Necker, Carl T.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Beyerlein, IJ (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM irene@lanl.gov
RI Beyerlein, Irene/A-4676-2011; Mara, Nathan/J-4509-2014;
OI Mara, Nathan/0000-0002-9135-4693
FU U.S. Department of Energy, Office of Science. Office of Basic Energy
Sciences [2008LANL1026]
FX This research was supported as part of the Center for Materials at
Irradiation and Mechanical Extremes, an Energy Frontier Research Center
funded by the U.S. Department of Energy, Office of Science. Office of
Basic Energy Sciences under Award Number 2008LANL1026.
NR 83
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U1 6
U2 66
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0749-6419
EI 1879-2154
J9 INT J PLASTICITY
JI Int. J. Plast.
PD JAN
PY 2011
VL 27
IS 1
BP 121
EP 146
DI 10.1016/j.ijplas.2010.05.007
PG 26
WC Engineering, Mechanical; Materials Science, Multidisciplinary; Mechanics
SC Engineering; Materials Science; Mechanics
GA 684RN
UT WOS:000284567100006
ER
PT J
AU Phuoc, TX
Massoudi, M
Chen, RH
AF Phuoc, Tran X.
Massoudi, Mehrdad
Chen, Ruey-Hung
TI Viscosity and thermal conductivity of nanofluids containing multi-walled
carbon nanotubes stabilized by chitosan
SO INTERNATIONAL JOURNAL OF THERMAL SCIENCES
LA English
DT Article
DE MWCNT nanofluids; Thermal conductivity; Viscosity; Stability
ID PARTICLE CONCENTRATION; 2ND-GRADE FLUID; HEAT-TRANSFER; SUSPENSIONS;
MODEL; FLOW; THERMODYNAMICS; NANOPARTICLES; ENHANCEMENT; SURFACTANT
AB Thermal conductivity, viscosity, and stability of nanofluids containing multi-walled carbon nanotubes (MWCNTs) stabilized by cationic chitosan were studied. Chitosan with weight fraction of 0.1%, 0.2 wt%, and 0.5 wt% was used to disperse stably MWCNTs in water. The measured thermal conductivity showed an enhancement from 2.3% to 13% for nanofluids that contained from 0.5 wt% to 3 wt% MWCNTs (0.24 to 1.43 vol %). These values are significantly higher than those predicted using the Maxwell's theory. We also observed that the enhancements were independent of the base fluid viscosity. Thus, use of microconvection effect to explain the anomalous thermal conductivity enhancement should be reconsidered. MWCNTs can be used either to enhance or reduce the fluid base viscosity depending on the weight fractions. In the viscosity-reduction case, a reduction up to 20% was measured by this work. In the viscosity-enhancement case, the fluid behaved as a non-Newtonian shear-thinning fluid. By assuming that MWCNT nanofluids behave as a generalized second grade fluid where the viscosity coefficient depends upon the rate of deformation, a theoretical model has been developed. The model was found to describe the fluid behavior very well. Published by Elsevier Masson SAS.
C1 [Phuoc, Tran X.; Massoudi, Mehrdad] Dept Energy, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Chen, Ruey-Hung] Univ Cent Florida, Dept Mech Mat & Aerosp Engn, Orlando, FL 32816 USA.
RP Phuoc, TX (reprint author), Dept Energy, Natl Energy Technol Lab, POB 10940,MS 84-340, Pittsburgh, PA 15236 USA.
EM tran@netl.doe.gov
FU DOE-NETL
FX This work was supported by the DOE-NETL under the EPact Complementary
program.
NR 46
TC 100
Z9 103
U1 1
U2 28
PU ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
PI PARIS
PA 23 RUE LINOIS, 75724 PARIS, FRANCE
SN 1290-0729
J9 INT J THERM SCI
JI Int. J. Therm. Sci.
PD JAN
PY 2011
VL 50
IS 1
BP 12
EP 18
DI 10.1016/j.ijthermalsci.2010.09.008
PG 7
WC Thermodynamics; Engineering, Mechanical
SC Thermodynamics; Engineering
GA 705IZ
UT WOS:000286123400003
ER
PT S
AU Alcorta, M
Borge, MJG
Cubero, M
Diget, CA
Dominguez-Reyes, R
Fraile, L
Fulton, BR
Fynbo, HOU
Galaviz, D
Hyldegaard, S
Jeppesen, HB
Jonson, B
Kirsebom, OS
Madurga, M
Maira, A
Munoz, A
Nilsson, T
Nyman, G
Obradors, D
Perea, A
Riisager, K
Tengblad, O
Turrion, M
AF Alcorta, M.
Borge, M. J. G.
Cubero, M.
Diget, C. A.
Dominguez-Reyes, R.
Fraile, L.
Fulton, B. R.
Fynbo, H. O. U.
Galaviz, D.
Hyldegaard, S.
Jeppesen, H. B.
Jonson, B.
Kirsebom, O. S.
Madurga, M.
Maira, A.
Munoz, A.
Nilsson, T.
Nyman, G.
Obradors, D.
Perea, A.
Riisager, K.
Tengblad, O.
Turrion, M.
GP IOP
TI Properties of resonances in C-12 above the triple-alpha threshold
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC): NUCLEAR STRUCTURE
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
AB A complete kinematics study of the B-10 (He-3,p alpha alpha alpha) and the B-11 (3He,d alpha alpha alpha) reactions has been performed to study the multi-particle break-up of C-12 resonances above the triple-alpha threshold. The values of energy and widths of some states has been improved, and instates of natural parity partial branches of decay through the ground state of Be-8 have been extracted. The influence of the "ghost" of the Be-8 ground state has been taken into account in order to clarify the partial branches.
C1 [Alcorta, M.; Borge, M. J. G.; Cubero, M.; Dominguez-Reyes, R.; Galaviz, D.; Madurga, M.; Maira, A.; Obradors, D.; Perea, A.; Tengblad, O.; Turrion, M.] CSIC, Inst Estruct Mat, E-28006 Madrid, Spain.
RP Alcorta, M (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM malcorta@anl.gov
RI Galaviz Redondo, Daniel/A-7325-2008; Diget, Christian Aaen/D-8063-2016;
Turrion, Manuela/B-2280-2017; Alcorta, Martin/G-7107-2011; Cubero,
Mario/H-3416-2012; Fraile, Luis/B-8668-2011; Jonson, Bjorn/B-2816-2014;
Nilsson, Thomas/B-7705-2009; Dominguez-Reyes, Ricardo /H-4433-2015;
Tengblad, Olof/O-5852-2015
OI Galaviz Redondo, Daniel/0000-0003-2992-4496; Diget, Christian
Aaen/0000-0002-9778-8759; Turrion, Manuela/0000-0003-4941-3378; Alcorta,
Martin/0000-0002-6217-5004; Fraile, Luis/0000-0002-6281-3635; Nilsson,
Thomas/0000-0002-6990-947X;
NR 23
TC 0
Z9 0
U1 0
U2 5
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 092013
DI 10.1088/1742-6596/312/9/092013
PG 6
WC Physics, Nuclear
SC Physics
GA BYM51
UT WOS:000299349500013
ER
PT S
AU Berryman, JS
Clark, RM
Gregorich, KE
Allmond, JM
Bleuel, DL
Cooper, RJ
Cromaz, M
Deleplanque, MA
Dragojevic, I
Dvorak, J
Ellison, PA
Fallon, P
Garcia, MA
Gates, JM
Gros, S
Gothe, O
Jeppesen, HB
Kaji, D
Lee, IY
Macchiavelli, AO
Morimoto, K
Nitsche, H
Paschalis, S
Petri, M
Qian, J
Stavsetra, L
Stephens, FS
Stoyer, MA
Ross, TJ
Watanabe, H
Wiedeking, M
AF Berryman, J. S.
Clark, R. M.
Gregorich, K. E.
Allmond, J. M.
Bleuel, D. L.
Cooper, R. J.
Cromaz, M.
Deleplanque, M. A.
Dragojevic, I.
Dvorak, J.
Ellison, P. A.
Fallon, P.
Garcia, M. A.
Gates, J. M.
Gros, S.
Gothe, O.
Jeppesen, H. B.
Kaji, D.
Lee, I. Y.
Macchiavelli, A. O.
Morimoto, K.
Nitsche, H.
Paschalis, S.
Petri, M.
Qian, J.
Stavsetra, L.
Stephens, F. S.
Stoyer, M. A.
Ross, T. J.
Watanabe, H.
Wiedeking, M.
GP IOP
TI Nuclear spectroscopy of the heaviest elements: studies of (254)No,
(257)Rf, and (261)Sg
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC): NUCLEAR STRUCTURE
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
ID SINGLE-PARTICLE ENERGIES; SUPERHEAVY ELEMENTS; K-ISOMERS; DECAY; STATES
AB Recently it has become possible to perform detailed spectroscopy on nuclei beyond Z = 100 with the aim of understanding the underlying single-particle structure of superheavy elements. A number of such experiments have been performed at the 88-Inch Cyclotron of the Lawrence Berkeley National Laboratory using the Berkeley Gas-filled Separator (BGS), coupled with delayed gamma-ray and electron-decay spectroscopy. Experiments have been performed on (254)No (Z = 102), (257)Rf (Z = 104), and (261)Sg (Z = 106). The results provide new information on the properties of transactinide nuclei, which is important for testing models of the heaviest elements.
C1 [Berryman, J. S.; Clark, R. M.; Gregorich, K. E.; Cromaz, M.; Deleplanque, M. A.; Dragojevic, I.; Dvorak, J.; Ellison, P. A.; Fallon, P.; Garcia, M. A.; Gates, J. M.; Gros, S.; Gothe, O.; Jeppesen, H. B.; Lee, I. Y.; Macchiavelli, A. O.; Nitsche, H.; Paschalis, S.; Petri, M.; Qian, J.; Stavsetra, L.; Stephens, F. S.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Berryman, JS (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
EM berrymaj@nscl.msu.edu
RI Petri, Marina/H-4630-2016; Paschalis, Stefanos/H-8758-2016;
OI Petri, Marina/0000-0002-3740-6106; Paschalis,
Stefanos/0000-0002-9113-3778; Allmond, James
Mitchell/0000-0001-6533-8721
NR 29
TC 1
Z9 1
U1 1
U2 5
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 092017
DI 10.1088/1742-6596/312/9/092017
PG 6
WC Physics, Nuclear
SC Physics
GA BYM51
UT WOS:000299349500017
ER
PT S
AU Carpenter, MP
Janssens, RVF
Zhu, S
Frauendorf, S
AF Carpenter, M. P.
Janssens, R. V. F.
Zhu, S.
Frauendorf, S.
GP IOP
TI New Results on Octupole Collectivity
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC): NUCLEAR STRUCTURE
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
ID ISOTOPES; NUCLEI
AB Octupole correlations play an important role in determining the level structure of nuclei throughout the periodic chart. Microscopically, octupole correlations are the result of the long-range, octupole-octupole interaction between nucleons occupying pairs of orbitals which differ in both orbital and total angular momentum by 3 units. A review of some of the most recent findings on octupole correlations is given. Emphasis is placed on new results from the actinide region, where two distinct collective modes have long been identified: octupole vibration and octupole deformation. These new results include negative-parity structures which appear to evolve from an octupole vibration into a static octupole deformed mode. In addition, newly observed rotational structures built on an excited 0(+) state have been tentatively associated with a double-octupole phonon excitation. These newly observed properties can be successively described by calculations based on the concept of rotational-aligned octupole phonon condensation.
C1 [Carpenter, M. P.; Janssens, R. V. F.; Zhu, S.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
RP Carpenter, MP (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
EM carpenter@anl.gov
RI Carpenter, Michael/E-4287-2015
OI Carpenter, Michael/0000-0002-3237-5734
NR 14
TC 1
Z9 1
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 092006
DI 10.1088/1742-6596/312/9/092006
PG 7
WC Physics, Nuclear
SC Physics
GA BYM51
UT WOS:000299349500006
ER
PT S
AU Kay, BP
Schiffer, JP
Freeman, SJ
Back, BB
Bedoor, S
Baker, SI
Bloxham, T
Clark, JA
Deibel, CM
Hoffman, CR
Howard, AM
Lighthall, JC
Marley, ST
Rehm, KE
Sharp, DK
Shetty, DV
Thomas, JS
Wuosmaa, AH
AF Kay, B. P.
Schiffer, J. P.
Freeman, S. J.
Back, B. B.
Bedoor, S.
Baker, S. I.
Bloxham, T.
Clark, J. A.
Deibel, C. M.
Hoffman, C. R.
Howard, A. M.
Lighthall, J. C.
Marley, S. T.
Rehm, K. E.
Sharp, D. K.
Shetty, D. V.
Thomas, J. S.
Wuosmaa, A. H.
GP IOP
TI Study of valence neutrons in (136)Xe with HELIOS
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC): NUCLEAR STRUCTURE
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
ID INVERSE KINEMATICS; NUCLEAR-STRUCTURE; BEAMS; D,P
AB The single-neutron adding (d,p) reaction has been performed on (136)Xe in inverse kinematics at 10 MeV/u. The position, time-of-flight, and energy of the outgoing protons were analyzed by the new helical orbit spectrometer, HELIOS, at Argonne National Laboratory. An excitation-energy resolution of less than or similar to 100 keV was obtained in the outgoing proton spectra. The experimental setup is described, along with a technique of extracting absolute cross sections. Data are shown which illustrate the performance of the device. This measurement clearly demonstrates the potential of HELIOS for future heavy radioactive-beam studies.
C1 [Kay, B. P.; Schiffer, J. P.; Back, B. B.; Baker, S. I.; Clark, J. A.; Deibel, C. M.; Hoffman, C. R.; Lighthall, J. C.; Marley, S. T.; Rehm, K. E.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
RP Kay, BP (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
EM kay@phy.anl.gov
RI Kay, Benjamin/F-3291-2011
OI Kay, Benjamin/0000-0002-7438-0208
NR 25
TC 0
Z9 0
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 092034
DI 10.1088/1742-6596/312/9/092034
PG 6
WC Physics, Nuclear
SC Physics
GA BYM51
UT WOS:000299349500034
ER
PT S
AU Paschalis, S
Fallon, P
Macchiavelli, AO
Petri, M
Bender, PC
Carpenter, MP
Chen, X
Chiara, CJ
Clark, RM
Cromaz, M
Gros, S
Hamilton, L
Hoffman, CR
Janssens, RVF
Lauritsen, T
Lee, IY
Lister, CJ
McCutchan, EA
Phair, L
Reviol, W
Sarantites, DG
Seweryniak, D
Tabor, SL
Toh, Y
Wiedeking, M
Zhu, S
AF paschalis, S.
Fallon, P.
Macchiavelli, A. O.
Petri, M.
Bender, P. C.
Carpenter, M. P.
Chen, X.
Chiara, C. J.
Clark, R. M.
Cromaz, M.
Gros, S.
Hamilton, L.
Hoffman, C. R.
Janssens, R. V. F.
Lauritsen, T.
Lee, I. Y.
Lister, C. J.
McCutchan, E. A.
Phair, L.
Reviol, W.
Sarantites, D. G.
Seweryniak, D.
Tabor, S. L.
Toh, Y.
Wiedeking, M.
Zhu, S.
GP IOP
TI The deformed 0(+) state in (34)Si
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC): NUCLEAR STRUCTURE
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
ID SHELL-MODEL; ISOTOPES; GAMMASPHERE; SCHEMES; SODIUM; MASSES
AB The energy of the lowest deformed 2-particle 2-hole (2p2h) 0(+) state in even-even N=20 nuclei is a key observable directly related to the size of the neutron N=20 shell closure. (34)Si, with 14 protons and 20 neutrons, lies at the boundary of the "island of inversion", where the deformed 2p2h 0(+) state is the ground state in even-A nuclei. In (34)Si, the 2p2h 0(+) state is expected to be particularly low lying - in some theories it is even predicted to lie below the first 2(+) state. While there have been a number of attempts, using various techniques, no experiment to date has been able to firmly locate the (34)Si 2p2h 0(+) state although a number of candidates have been suggested. Here we present, for the first time, data obtained from a fusion-evaporation reaction (18)O((18)O, 2p) to produce (34)Si. Gammasphere and Microball were used to detect gamma-gamma coincidences and charged particles (two protons), respectively. The increased sensitivity of this experiment using gamma-gamma coincidences and a high charged-particle detection efficiency helped to exclude previously reported candidates and provided a stringent limit on the anticipated gamma decay from the first 2(+) state to the 2p2h 0(+) state
C1 [paschalis, S.; Fallon, P.; Macchiavelli, A. O.; Petri, M.; Clark, R. M.; Cromaz, M.; Gros, S.; Lee, I. Y.; Phair, L.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Paschalis, S (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RI Carpenter, Michael/E-4287-2015; Petri, Marina/H-4630-2016; Paschalis,
Stefanos/H-8758-2016
OI Carpenter, Michael/0000-0002-3237-5734; Petri,
Marina/0000-0002-3740-6106; Paschalis, Stefanos/0000-0002-9113-3778
NR 22
TC 1
Z9 1
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 092050
DI 10.1088/1742-6596/312/9/092050
PG 5
WC Physics, Nuclear
SC Physics
GA BYM51
UT WOS:000299349500050
ER
PT S
AU Imig, A
AF Imig, Astrid
CA Storage Ring EDM Collaboration
GP IOP
TI Polarimeter Development for an Electric Dipole Moment Search in a
Storage Ring
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC): STANDARD MODEL
TESTS AND FUNDAMENTAL SYMMETRIES
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
AB The search for a charged particle EDM in a storage ring with the goal of a statistical sensitivity of 10(-29) e.cm/year requires a very sensitive polarimeter. Studies described here have shown that systematic error effects can be handled and corrected to a sensitivity better than the required 10(-6) level. The required statistical precision was shown to be attainable using a thick scattering target onto which the stored beam is slowly extracted. Models for geometric and rate systematic error effects describe the results well.
C1 [Imig, Astrid; Storage Ring EDM Collaboration] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
RP Imig, A (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
EM imig@bnl.gov
NR 3
TC 0
Z9 0
U1 0
U2 1
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 102007
DI 10.1088/1742-6596/312/10/102007
PG 6
WC Physics, Nuclear
SC Physics
GA BYN25
UT WOS:000299425100007
ER
PT S
AU Marciano, WJ
AF Marciano, William J.
GP IOP
TI Precision electroweak tests of the standard model
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC): STANDARD MODEL
TESTS AND FUNDAMENTAL SYMMETRIES
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
ID RADIATIVE-CORRECTIONS; UNIVERSALITY; VIOLATION; CONSTRAINT; NEUTRON;
DECAYS
AB CKM Unitarity in the Standard Model predicts vertical bar V(ud)vertical bar(2) + vertical bar V(us)vertical bar(2) + vertical bar V(ub)vertical bar(2) = 1. Experiments currently give 0.9999(6). The outstanding agreement constrains "new physics" effects at the tree and quantum loop level. Examples considered are: exotic muon decays, heavy quark or lepton mixing, high scale induced 4 fermion operators (e.g. excited W* bosons from extra dimensions) and additional Z' gauge bosons. Also, combining K(mu 2) decays and CKM unitarity gives a charged Higgs mass bound m(H +/-) greater than or similar to 5 tan beta GeV. Constraints from other precisely measured electroweak observables are also discussed.
C1 Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Marciano, WJ (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
EM marciano@bnl.gov
NR 29
TC 2
Z9 2
U1 0
U2 3
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 102002
DI 10.1088/1742-6596/312/10/102002
PG 6
WC Physics, Nuclear
SC Physics
GA BYN25
UT WOS:000299425100002
ER
PT S
AU McKeown, RD
AF McKeown, R. D.
GP IOP
TI The Jefferson Lab 12 GeV Upgrade
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC2010): HADRON
STRUCTURE
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
ID SPIN
AB Construction of the 12 GeV upgrade to the Continuous Electron Beam Accelerator Facility (CEBAF) at the Thomas Jefferson National Accelerator Facility is presently underway. This upgrade includes doubling the energy of the electron beam to 12 GeV, the addition of a new fourth experimental hall, and the construction of upgraded detector hardware. An overview of this upgrade project is presented, along with highlights of the anticipated experimental program.
C1 Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
RP McKeown, RD (reprint author), Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
EM bmck@jlab.org
NR 12
TC 2
Z9 2
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 032014
DI 10.1088/1742-6596/312/3/032014
PG 6
WC Physics, Nuclear
SC Physics
GA BYM93
UT WOS:000299389600014
ER
PT S
AU Nakamura, SX
Kamano, H
Lee, TSH
Sato, T
AF Nakamura, S. X.
Kamano, H.
Lee, T. -S. H.
Sato, T.
GP IOP
TI Extraction of P(11) Resonance from pi N Data and Its Stability
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC2010): HADRON
STRUCTURE
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
ID CLOUDY BAG MODEL
AB An important question about resonance extraction is how much resonance poles and residues extracted from data depend on a model used for the extraction, and on the precision of data. We address this question with the dynamical coupled-channel (DCC) model developed in Excited Baryon Analysis Center (EBAC) at JLab. We focus on the P(11) pi N scattering. We examine the model-dependence of the poles by varying parameters to a large extent within the EBAC-DCC model. We find that two poles associated with the Roper resonance are fairly stable against the variation. We also develop a model with a bare nucleon, thereby examining the stability of the Roper poles against different analytic structure of the P(11) amplitude below pi N threshold. We again find a good stability of the Roper poles.
C1 [Nakamura, S. X.; Kamano, H.; Lee, T. -S. H.; Sato, T.] Thomas Jefferson Natl Accelerator Facil, Excited Baryon Anal Ctr EBAC, Newport News, VA 23606 USA.
RP Nakamura, SX (reprint author), Thomas Jefferson Natl Accelerator Facil, Excited Baryon Anal Ctr EBAC, Newport News, VA 23606 USA.
EM satoshi@jlab.org
NR 11
TC 0
Z9 0
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 032016
DI 10.1088/1742-6596/312/3/032016
PG 6
WC Physics, Nuclear
SC Physics
GA BYM93
UT WOS:000299389600016
ER
PT S
AU Millener, DJ
AF Millener, D. J.
GP IOP
TI Structure of p-shell hypernuclei
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC2010): HADRONS IN
NUCLEI
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
ID GAMMA-RAY SPECTROSCOPY; SPIN-DEPENDENCE; HYPER-NUCLEI; TRANSITIONS;
MODEL; LI-7(LAMBDA); B-11(LAMBDA); POTENTIALS; SIZE; HALL
AB Shell-model calculations that include both A and Sigma configurations with p-shell cores are used to interpret gamma-ray transitions in Li-7(A), Be-9(A), B-10(A), B-11(A), C-12(A), N-15(A), and O-16(A) observed with the Hyperball array of Ge detectors. It is shown that the data puts strong constraints on the spin dependence of the AN effective interaction and that the A-Sigma coupling plays an important role.
C1 Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Millener, DJ (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
EM millener@bnl.gov
NR 45
TC 5
Z9 5
U1 0
U2 1
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 022005
DI 10.1088/1742-6596/312/2/022005
PG 10
WC Physics, Nuclear
SC Physics
GA BYN40
UT WOS:000299436900005
ER
PT S
AU Ruan, LJ
AF Ruan, Lijuan
GP IOP
TI Probing QGP medium properties using identified particles and new
detector technology
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC2010): NEW FACILITIES
AND INSTRUMENTATION
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
ID QUARK-GLUON PLASMA; TRANSVERSE-MOMENTUM DISTRIBUTIONS; RESISTIVE PLATE
CHAMBERS; HEAVY-ION COLLISIONS; PLUS AU COLLISIONS; J/PSI SUPPRESSION;
BRAHMS EXPERIMENT; D+AU COLLISIONS; HADRON SPECTRA; QCD
AB Two physics topics, jet quenching at high transverse momentum (p(T)) and baryon enhancement at intermediate p(T) at the Relativistic Heavy Ion Collider (RHIC) will be introduced. Identified particle measurements up to high p(T) will be presented to study the color charge dependence of energy loss in the medium. The physics capabilities of the Time-of-Flight detector (TOF) at the Solenoidal Tracker at RHIC (STAR) will be discussed.
C1 Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
RP Ruan, LJ (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
EM ruan@bnl.gov
NR 63
TC 0
Z9 0
U1 0
U2 2
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 052003
DI 10.1088/1742-6596/312/5/052003
PG 8
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA BYK29
UT WOS:000299112900003
ER
PT S
AU Savard, G
AF Savard, Guy
GP IOP
TI Large radio-frequency gas catchers and the production of radioactive
nuclear beams
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC2010): NEW FACILITIES
AND INSTRUMENTATION
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
ID ISOTOPE SEPARATOR; MASS-SPECTROMETER; ION GUIDE; ONLINE
AB Gas catchers provide a means to transform radioactive recoils from various production mechanisms into low-energy beams of good ion optical properties. Recent developments with large radio-frequency gas catchers have pushed back purity and space-charge limitations in this technology to the point that it can now be used reliably for producing radioactive beams intense enough for various secondary experiments to be possible. The basic technology available and the current demonstrated capabilities are presented in the following. A number of examples of such systems currently under commissioning/construction/design at ANL to produce beams from fusion-evaporation, fission, deep-inelastic and fragmentation reaction products will also be presented together with the specific challenges to each approach and the chosen solutions.
C1 Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
RP Savard, G (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
EM savard@anl.gov
NR 23
TC 13
Z9 13
U1 0
U2 2
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 052004
DI 10.1088/1742-6596/312/5/052004
PG 9
WC Physics, Nuclear; Physics, Particles & Fields
SC Physics
GA BYK29
UT WOS:000299112900004
ER
PT S
AU Dean, DJ
AF Dean, D. J.
GP IOP
TI Computational Science and Innovation
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC2010): NUCLEAR
APPLICATIONS AND INTERDISCIPLINARY RESEARCH
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
ID NUCLEI
AB Simulations - utilizing computers to solve complicated science and engineering problems - are a key ingredient of modern science. The U. S. Department of Energy ( DOE) is a world leader in the development of high-performance computing (HPC), the development of applied math and algorithms that utilize the full potential of HPC platforms, and the application of computing to science and engineering problems. An interesting general question is whether the DOE can strategically utilize its capability in simulations to advance innovation more broadly. In this article, I will argue that this is certainly possible.
C1 US DOE, Washington, DC 20585 USA.
RP Dean, DJ (reprint author), US DOE, Washington, DC 20585 USA.
EM David.Dean@science.doe.gov
OI Dean, David/0000-0002-5688-703X
NR 25
TC 1
Z9 1
U1 1
U2 2
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 062001
DI 10.1088/1742-6596/312/6/062001
PG 10
WC Physics, Nuclear
SC Physics
GA BYM92
UT WOS:000299385900001
ER
PT S
AU Jiang, CL
Back, BB
Esbensen, H
Janssens, RVF
Rehm, KE
Tang, XD
AF Jiang, C. L.
Back, B. B.
Esbensen, H.
Janssens, R. V. F.
Rehm, K. E.
Tang, X. D.
GP IOP
TI Do we understand heavy-ion fusion reactions of importance in stellar
evolution?
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC2010): NUCLEAR
ASTROPHYSICS
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
ID THERMONUCLEAR REACTION-RATES; CROSS-SECTIONS; SUBCOULOMB ENERGIES;
COULOMB BARRIER; SYSTEM; O-16
AB Since the first observation of hindrance in heavy-ion fusion, many extrapolated cross sections for astrophysically interesting fusion reactions, such as C-12 + C-12, C-12 + O-16, O-16 + O-16, O-24 + O-24 etc. need to be reexamined. In this contribution, the effects of fusion hindrance at extreme low energies are discussed.
C1 [Jiang, C. L.; Back, B. B.; Esbensen, H.; Janssens, R. V. F.; Rehm, K. E.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
RP Jiang, CL (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
EM jiang@phy.anl.gov
RI Tang, Xiaodong /F-4891-2016
NR 40
TC 0
Z9 0
U1 0
U2 1
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 042011
DI 10.1088/1742-6596/312/4/042011
PG 6
WC Astronomy & Astrophysics; Physics, Nuclear
SC Astronomy & Astrophysics; Physics
GA BYN21
UT WOS:000299412800011
ER
PT S
AU Rogers, AM
Lynch, WG
Famiano, MA
Wallace, MS
Amorini, F
Bazin, D
Charity, RJ
Delaunay, F
de Souza, RT
Elson, J
Gade, A
Galaviz, D
Hudan, S
Lee, J
Lobostov, S
Lukyanov, S
Matos, M
Mocko, M
Tsang, MB
Shapira, D
Sobotka, LG
Verde, G
AF Rogers, A. M.
Lynch, W. G.
Famiano, M. A.
Wallace, M. S.
Amorini, F.
Bazin, D.
Charity, R. J.
Delaunay, F.
de Souza, R. T.
Elson, J.
Gade, A.
Galaviz, D.
Hudan, S.
Lee, J.
Lobostov, S.
Lukyanov, S.
Matos, M.
Mocko, M.
Tsang, M. B.
Shapira, D.
Sobotka, L. G.
Verde, G.
GP IOP
TI Ground-state proton decay of (69)Br and implications for the rp-process
(68)Se waiting-point
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC2010): NUCLEAR
ASTROPHYSICS
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
ID SECONDARY-ELECTRON EMISSION; ATOMIC MASS EVALUATION; X-RAY-BURSTS;
DRIP-LINE; FRAGMENTATION; POSITION; DETECTOR; IMPACT
AB The first direct measurement of the proton separation energy, S(p), for the proton-unbound nucleus (69)Br is reported. Of interest is the exponential dependence of the 2p-capture rate on S(p) which can bypass the (68)Se waiting-point in the astrophysical rp process. An analysis of the observed proton decay spectrum is given in terms of the (69)Se mirror nucleus and the influence of S(p) is explored within the context of a single-zone X-ray burst model.
C1 [Rogers, A. M.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
RP Rogers, AM (reprint author), Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA.
EM amrogers@phy.anl.gov
RI Galaviz Redondo, Daniel/A-7325-2008; Verde, Giuseppe/J-3609-2012; Matos,
Milan/G-6947-2012
OI Galaviz Redondo, Daniel/0000-0003-2992-4496; Matos,
Milan/0000-0003-1722-9509
NR 21
TC 1
Z9 1
U1 0
U2 3
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 042020
DI 10.1088/1742-6596/312/4/042020
PG 6
WC Astronomy & Astrophysics; Physics, Nuclear
SC Astronomy & Astrophysics; Physics
GA BYN21
UT WOS:000299412800020
ER
PT S
AU Navratil, P
Quaglioni, S
Roth, R
AF Navratil, Petr
Quaglioni, Sofia
Roth, Robert
GP IOP
TI Ab Initio Theory of Light-ion Reactions
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC2010): NUCLEAR
REACTIONS
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
ID ELASTIC-SCATTERING; CROSS-SECTIONS; NUCLEI; LENGTHS
AB The exact treatment of nuclei starting from the constituent nucleons and the fundamental interactions among them has been a long-standing goal in nuclear physics. Above all nuclear scattering and reactions, which require the solution of the many-body quantum-mechanical problem in the continuum, represent a theoretical and computational challenge for ab initio approaches. After a brief overview of the field, we present a new ab initio many-body approach capable of describing simultaneously both bound and scattering states in light nuclei. By combining the resonating-group method (RGM) with the ab initio no-core shell model (NCSM), we complement a microscopic cluster technique with the use of realistic interactions and a microscopic and consistent description of the clusters. We show results for neutron and proton scattering on light nuclei, including p-Be-7 and n-He-8. We also highlight the first results of the d-He-3 and d-H-3 fusion calculations obtained within this approach.
C1 [Navratil, Petr; Quaglioni, Sofia] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Navratil, P (reprint author), Lawrence Livermore Natl Lab, POB 808,L-414, Livermore, CA 94551 USA.
EM navratil1@llnl.gov
NR 62
TC 5
Z9 5
U1 0
U2 1
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 082002
DI 10.1088/1742-6596/312/8/082002
PG 10
WC Physics, Nuclear
SC Physics
GA BYN23
UT WOS:000299413400002
ER
PT S
AU Nobre, GPA
Thompson, IJ
Escher, JE
Dietrich, FS
AF Nobre, G. P. A.
Thompson, I. J.
Escher, J. E.
Dietrich, F. S.
GP IOP
TI Reaction cross-section predictions for nucleon induced reactions
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC2010): NUCLEAR
REACTIONS
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
ID OPTICAL MODEL; SCATTERING; RANGE; CA-40
AB A microscopic calculation of the optical potential for nucleon-nucleus scattering has been performed by explicitly coupling the elastic channel to all the particle-hole (p-h) excitation states in the target and to all relevant pickup channels. These p-h states may be regarded as doorway states through which the flux flows to more complicated configurations, and to long-lived compound nucleus resonances. We calculated the reaction cross sections for the nucleon induced reactions on the targets Ca-40,Ca-48, Ni-58, Zr-90 and Sm-144 using the QRPA description of target excitations, coupling to all inelastic open channels, and coupling to all transfer channels corresponding to the formation of a deuteron. The results of such calculations were compared to predictions of a well-established optical potential and with experimental data, reaching very good agreement. The inclusion of couplings to pickup channels was an important contribution to the absorption. For the first time, calculations of excitations account for all of the observed reaction cross-sections, at least for incident energies above 10 MeV.
C1 [Nobre, G. P. A.; Thompson, I. J.; Escher, J. E.; Dietrich, F. S.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Nobre, GPA (reprint author), Lawrence Livermore Natl Lab, POB 808,L-414, Livermore, CA 94551 USA.
EM nobre1@llnl.gov
RI Escher, Jutta/E-1965-2013
NR 20
TC 1
Z9 1
U1 1
U2 2
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 082033
DI 10.1088/1742-6596/312/8/082033
PG 6
WC Physics, Nuclear
SC Physics
GA BYN23
UT WOS:000299413400033
ER
PT S
AU Thompson, IJ
AF Thompson, Ian J.
GP IOP
TI The Theory of Partial Fusion
SO INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC2010): NUCLEAR
REACTIONS
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Nuclear Physics Conference (INPC)
CY JUL 04-09, 2010
CL TRIUMF, Canadian Natl Lab Particle & Nucl Phys, Vancouver, CANADA
HO TRIUMF, Canadian Natl Lab Particle & Nucl Phys
ID FINAL-STATES
AB A theory of partial fusion is used to calculate the competition between escape (breakup) and absorption (compound-nucleus production) following a deuteron-induced transfer of one neutron to a heavy nucleus at energies above the neutron escape threshold. Preliminary calculations are shown to yield excellent results for the competition between neutron absorption and neutron escape when deposited on actinides at energies up to 3 MeV.
C1 Lawrence Livermore Natl Lab, Nucl Theory & Modeling Grp, Livermore, CA 94551 USA.
RP Thompson, IJ (reprint author), Lawrence Livermore Natl Lab, Nucl Theory & Modeling Grp, POB 808,L-414, Livermore, CA 94551 USA.
EM I-Thompson@llnl.gov
NR 13
TC 5
Z9 5
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 312
AR 082041
DI 10.1088/1742-6596/312/8/082041
PG 4
WC Physics, Nuclear
SC Physics
GA BYN23
UT WOS:000299413400041
ER
PT J
AU De, AK
Goswami, D
AF De, Arijit Kumar
Goswami, Debabrata
TI Towards controlling molecular motions in fluorescence microscopy and
optical trapping: a spatiotemporal approach
SO INTERNATIONAL REVIEWS IN PHYSICAL CHEMISTRY
LA English
DT Review
DE fluorescence microscopy; optical tweezers; spatiotemporal control
ID ABSORPTION CROSS-SECTION; HIGH-REPETITION-RATE; 2-PHOTON ABSORPTION;
COHERENT CONTROL; SENSITIVE MEASUREMENT; LASER-PULSES; MODULATION;
PHASE; EXCITATION; TWEEZERS
AB This account reviews some recent studies pursued in our group on several control experiments with important applications in (one-photon) confocal and two-photon fluorescence laser-scanning microscopy and optical trapping with laser tweezers. We explore the simultaneous control of internal and external (i.e. centre-of-mass motion) degrees of freedom, which require the coupling of various control parameters to result in the spatiotemporal control. Of particular interest to us is the implementation of such control schemes in living systems. A live cell is a system of a large number of different molecules which combine and interact to generate complex structures and functions. These combinations and interactions of molecules need to be choreographed perfectly in time and space to achieve intended intra-cellular functions. Spatiotemporal control promises to be a versatile tool for dynamical control of spatially manipulated bio-molecules.
C1 [De, Arijit Kumar; Goswami, Debabrata] Indian Inst Technol, Dept Chem, Kanpur 208016, UP, India.
[De, Arijit Kumar] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[De, Arijit Kumar] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
RP Goswami, D (reprint author), Indian Inst Technol, Dept Chem, Kanpur 208016, UP, India.
EM dgoswami@iitk.ac.in
RI Goswami, Debabrata/A-9347-2009; De, Anindya/I-2255-2015; De,
Arijit/I-1750-2013
OI Goswami, Debabrata/0000-0002-2052-0594; De, Arijit/0000-0002-5938-2766
FU Wellcome Trust Foundation (UK); DST (India); MCIT (India); CSIR (India)
FX This review is dedicated to Prof. N. Sathyamurthy on his sixtieth
birthday. Debabrata Goswami thanks the International Senior Research
Fellows Program of the Wellcome Trust Foundation (UK) as it supported
the major bulk of work presented here and also led to the PhD thesis of
Arijit Kumar De, which may be found at http://library.iitk.ac.in/. We
thank DST (India), MCIT (India) for additional funds. Arijit Kumar De
thanks CSIR (India) for graduate fellowship during this period. The
generous help extended by all our femtosecond laboratory members, most
importantly, that by Debjit Roy, needs a special mention. Special thanks
are due to Pardeep Kumar for insightful discussion on photo-thermal
effect.
NR 82
TC 7
Z9 7
U1 2
U2 14
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0144-235X
J9 INT REV PHYS CHEM
JI Int. Rev. Phys. Chem.
PY 2011
VL 30
IS 3
BP 275
EP 299
DI 10.1080/0144235X.2011.603237
PG 25
WC Chemistry, Physical; Physics, Atomic, Molecular & Chemical
SC Chemistry; Physics
GA 880RQ
UT WOS:000299425000001
ER
PT B
AU Budnitz, RJ
AF Budnitz, Robert J.
BE Ragaini, R
TI OVERVIEW OF PASSIVE SAFETY FEATURES OF ADVANCED LIGHT WATER REACTORS
SO INTERNATIONAL SEMINAR ON NUCLEAR WAR AND PLANETARY EMERGENCIES, 43RD
SESSION
SE Science and Culture Series-Nuclear Strategy and Peace Technology
LA English
DT Proceedings Paper
CT 43rd International Seminar on Nuclear War and Planetary Emergencies
CY AUG 19-24, 2010
CL Erice, ITALY
C1 [Budnitz, Robert J.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Budnitz, RJ (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4365-92-5
J9 SCI CULT-NUCL STRAT
PY 2011
BP 107
EP 111
PG 5
WC Environmental Sciences; Multidisciplinary Sciences; Nuclear Science &
Technology
SC Environmental Sciences & Ecology; Science & Technology - Other Topics;
Nuclear Science & Technology
GA BG9ZR
UT WOS:000394395000011
ER
PT B
AU Ingersoll, DT
AF Ingersoll, Daniel T.
BE Ragaini, R
TI PASSIVE SAFETY FEATURES FOR SMALL MODULAR REACTORS
SO INTERNATIONAL SEMINAR ON NUCLEAR WAR AND PLANETARY EMERGENCIES, 43RD
SESSION
SE Science and Culture Series-Nuclear Strategy and Peace Technology
LA English
DT Proceedings Paper
CT 43rd International Seminar on Nuclear War and Planetary Emergencies
CY AUG 19-24, 2010
CL Erice, ITALY
ID DESIGN
AB The rapid growth in the size and complexity of commercial nuclear power plants in the 1970s spawned an interest in smaller, simpler designs that are inherently or intrinsically safe through the use of passive design features. Several designs were developed, but none were ever built, although some of their passive safety features were incorporated into large commercial plant designs that are being planned or built today. In recent years, several reactor vendors are actively redeveloping small modular reactor (SMR) designs with even greater use of passive features. Several designs incorporate the ultimate in passive safety they completely eliminate specific accident initiators from the design. Other design features help to reduce the likelihood of an accident or help to mitigate the accident's consequences, should one occur. While some passive safety features are common to most SMR designs, irrespective of the coolant technology, other features are specific to water, gas, or liquid-metal cooled SMR designs. The extensive use of passive safety features in SMRs promise to make these plants highly robust, protecting both the general public and the owner/investor. Once demonstrated, these plants should allow nuclear power to be used confidently for a broader range of customers and applications than will be possible with large plants alone.
C1 [Ingersoll, Daniel T.] Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA.
RP Ingersoll, DT (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA.
NR 11
TC 0
Z9 0
U1 0
U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4365-92-5
J9 SCI CULT-NUCL STRAT
PY 2011
BP 113
EP 121
PG 9
WC Environmental Sciences; Multidisciplinary Sciences; Nuclear Science &
Technology
SC Environmental Sciences & Ecology; Science & Technology - Other Topics;
Nuclear Science & Technology
GA BG9ZR
UT WOS:000394395000012
ER
PT B
AU Sofu, T
AF Sofu, Tanju
BE Ragaini, R
TI SODIUM-COOLED FAST REACTOR (SFR) SAFETY
SO INTERNATIONAL SEMINAR ON NUCLEAR WAR AND PLANETARY EMERGENCIES, 43RD
SESSION
SE Science and Culture Series-Nuclear Strategy and Peace Technology
LA English
DT Proceedings Paper
CT 43rd International Seminar on Nuclear War and Planetary Emergencies
CY AUG 19-24, 2010
CL Erice, ITALY
C1 [Sofu, Tanju] Argonne Natl Lab, Engn Anal Dept, Nucl Engn Div, Argonne, IL 60439 USA.
RP Sofu, T (reprint author), Argonne Natl Lab, Engn Anal Dept, Nucl Engn Div, Argonne, IL 60439 USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4365-92-5
J9 SCI CULT-NUCL STRAT
PY 2011
BP 123
EP 129
PG 7
WC Environmental Sciences; Multidisciplinary Sciences; Nuclear Science &
Technology
SC Environmental Sciences & Ecology; Science & Technology - Other Topics;
Nuclear Science & Technology
GA BG9ZR
UT WOS:000394395000013
ER
PT B
AU Difiglio, C
AF Difiglio, Carmen
BE Ragaini, R
TI THE GULF OF MEXICO OIL SPILL AND DEEPWATER OIL DRILLING: INTRODUCTION
SO INTERNATIONAL SEMINAR ON NUCLEAR WAR AND PLANETARY EMERGENCIES, 43RD
SESSION
SE Science and Culture Series-Nuclear Strategy and Peace Technology
LA English
DT Proceedings Paper
CT 43rd International Seminar on Nuclear War and Planetary Emergencies
CY AUG 19-24, 2010
CL Erice, ITALY
C1 [Difiglio, Carmen] US DOE, Off Policy & Int Affairs, Washington, DC 20585 USA.
RP Difiglio, C (reprint author), US DOE, Off Policy & Int Affairs, Washington, DC 20585 USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4365-92-5
J9 SCI CULT-NUCL STRAT
PY 2011
BP 133
EP 137
PG 5
WC Environmental Sciences; Multidisciplinary Sciences; Nuclear Science &
Technology
SC Environmental Sciences & Ecology; Science & Technology - Other Topics;
Nuclear Science & Technology
GA BG9ZR
UT WOS:000394395000014
ER
PT B
AU Grahame, TJ
AF Grahame, Thomas J.
BE Ragaini, R
TI DETERMINING WHICH TYPES OF FINE PARTICLES IN AMBIENT AIR HARM HUMAN
HEALTH
SO INTERNATIONAL SEMINAR ON NUCLEAR WAR AND PLANETARY EMERGENCIES, 43RD
SESSION
SE Science and Culture Series-Nuclear Strategy and Peace Technology
LA English
DT Proceedings Paper
CT 43rd International Seminar on Nuclear War and Planetary Emergencies
CY AUG 19-24, 2010
CL Erice, ITALY
ID EMERGENCY-DEPARTMENT VISITS; HEART-RATE-VARIABILITY;
SOURCE-APPORTIONMENT; HOSPITAL ADMISSIONS; PARTICULATE MATTER; PM2.5
CONSTITUENTS; POLLUTION; MORTALITY; DISEASE; EXPOSURE
AB For many decades, it has been accepted that particles in ambient air can harm human health. However, only within the last decade have advances in air pollution statistics and science made it possible to evaluate which specific types of tiny airborne particles might be most harmful to human health, or perhaps have limited toxicity.
Population-based epidemiology is the standard method by which an air pollutant's harm to populations is estimated. It is important to include a large number of potentially harmful PM2.5 species in a given epidemiology model, so researchers can be assured that any associations found are not due to the absence of potentially important PM2.5 species. However, due in part to a lack of standardized available monitoring information for many different PM2.5 species, epidemiology studies rarely included many PM2.5 species in models until relatively recently. Epidemiology studies from the 1990s rarely included more than one or two PM2.5 species in models of health effect associations (although they often included gases). The only PM2.5 species consistently included in older studies was sulfate, which has been monitored for several decades. Perhaps unsurprisingly, sulfate was frequently associated with the health effects examined in the models.
Because several epidemiology studies with 6 to 20 PM2.5 species have been published since 2008, there is now a "critical mass" of such at least 9 such studies. Cardiovascular disease daily emergency hospital admissions, daily mortality, or survival since enrollment in prospective cohort studies are the health endpoints examined. In 8 of the 9 studies, black carbon or elemental carbon (BC/EC) is significantly associated with the health endpoint of the study.
In 8 of the 9 studies, sulfate is not significantly associated with the health endpoint considered. Despite the fact that the metals vanadium (V) and nickel (Ni) are each a tiny fraction of PM2.5 species, every study which includes Ni, all but one which include V, find health associations with each.
These studies, by themselves, may not be adequate to make policy determinations as to which types of emissions are most harmful, and which emissions may pose little health threats. The consistency of findings, however, is quite surprising. It is doubtful that many air pollution health experts would have predicted such consistent findings. These results may suggest that PM2.5 species capable of causing particular biological effects, such as oxidative stress and inflammation, might be the ones which cause significant portions of chronic and acute mortality and morbidity via these mechanisms. Such a possibility should spur additional toxicology research.
To provide added confirmation of these epidemiological findings, it is important to utilize toxicology and human panel studies, where the exposure to specific emissions is known accurately. Doing so will allow us to see if biological mechanisms of harm found in toxicology, from exposure to particular PM2.5 species, would also be found in studies of humans using the same PM2.5 species. Adverse effects associated with particular PM2.5 species in population-based epidemiology studies, and effects caused by the same species in human panel studies, could then confidently linked. We will briefly review results of some human panel studies which allow such comparison of effects among different types of PM2.5 species. Because effects of BC/EC, and of traffic emissions, have been studied comprehensively, we will also briefly examine findings of two review articles of such studies.
C1 [Grahame, Thomas J.] US DOE, Off Fossil Energy, Washington, DC 20585 USA.
RP Grahame, TJ (reprint author), US DOE, Off Fossil Energy, Washington, DC 20585 USA.
NR 33
TC 0
Z9 0
U1 0
U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4365-92-5
J9 SCI CULT-NUCL STRAT
PY 2011
BP 267
EP 280
PG 14
WC Environmental Sciences; Multidisciplinary Sciences; Nuclear Science &
Technology
SC Environmental Sciences & Ecology; Science & Technology - Other Topics;
Nuclear Science & Technology
GA BG9ZR
UT WOS:000394395000030
ER
PT B
AU Plesko, CS
Weaver, RP
Bradley, PA
Huebner, WF
AF Plesko, Catherine S.
Weaver, Robert P.
Bradley, Paul A.
Huebner, Walter F.
BE Ragaini, R
TI LOOKING BEFORE WE LEAP: AN ONGOING, QUANTITATIVE INVESTIGATION OF
ASTEROID AND COMET IMPACT HAZARD MITIGATION
SO INTERNATIONAL SEMINAR ON NUCLEAR WAR AND PLANETARY EMERGENCIES, 43RD
SESSION
SE Science and Culture Series-Nuclear Strategy and Peace Technology
LA English
DT Proceedings Paper
CT 43rd International Seminar on Nuclear War and Planetary Emergencies
CY AUG 19-24, 2010
CL Erice, ITALY
ID EARTH; SIMULATION; ITOKAWA; BODIES
AB There are many outstanding questions about the correct response to an asteroid or comet impact threat on Earth. Nuclear munitions are currently thought to be the most efficient method of delivering an impact-preventing impulse to a potentially hazardous object (PHO). However, there are major uncertainties about the response of PHOs to a nuclear burst, and the most appropriate ways to use nuclear munitions for hazard mitigation.
C1 [Plesko, Catherine S.] Los Alamos Natl Lab, Div Appl Phys, Los Alamos, NM 87544 USA.
[Weaver, Robert P.; Bradley, Paul A.] Los Alamos Natl Lab, Appl Phys Theoret Design, Los Alamos, NM USA.
[Huebner, Walter F.] Los Alamos Natl Lab, Theoret Phys, Los Alamos, NM USA.
RP Plesko, CS (reprint author), Los Alamos Natl Lab, Div Appl Phys, Los Alamos, NM 87544 USA.
NR 54
TC 0
Z9 0
U1 0
U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4365-92-5
J9 SCI CULT-NUCL STRAT
PY 2011
BP 413
EP 428
PG 16
WC Environmental Sciences; Multidisciplinary Sciences; Nuclear Science &
Technology
SC Environmental Sciences & Ecology; Science & Technology - Other Topics;
Nuclear Science & Technology
GA BG9ZR
UT WOS:000394395000042
ER
PT B
AU Fulkerson, W
Ongena, J
Difiglio, C
AF Fulkerson, William
Ongena, Jef
Difiglio, Carmen
BE Ragaini, R
TI REPORT OF THE ENERGY PERMANENT MONITORING PANEL
SO INTERNATIONAL SEMINAR ON NUCLEAR WAR AND PLANETARY EMERGENCIES, 43RD
SESSION
SE Science and Culture Series-Nuclear Strategy and Peace Technology
LA English
DT Proceedings Paper
CT 43rd International Seminar on Nuclear War and Planetary Emergencies
CY AUG 19-24, 2010
CL Erice, ITALY
C1 [Fulkerson, William] Univ Tennessee, Inst Secure & Sustainable Environm, Knoxville, TN USA.
[Ongena, Jef] Ecole Royale Mil, Plasmaphys Lab, Brussels, Belgium.
[Difiglio, Carmen] US DOE, Off Policy & Int Affairs, Washington, DC 20585 USA.
RP Fulkerson, W (reprint author), Univ Tennessee, Inst Secure & Sustainable Environm, Knoxville, TN USA.
NR 0
TC 0
Z9 0
U1 0
U2 0
PU WORLD SCIENTIFIC PUBL CO PTE LTD
PI SINGAPORE
PA PO BOX 128 FARRER RD, SINGAPORE 9128, SINGAPORE
BN 978-981-4365-92-5
J9 SCI CULT-NUCL STRAT
PY 2011
BP 577
EP 581
PG 5
WC Environmental Sciences; Multidisciplinary Sciences; Nuclear Science &
Technology
SC Environmental Sciences & Ecology; Science & Technology - Other Topics;
Nuclear Science & Technology
GA BG9ZR
UT WOS:000394395000059
ER
PT S
AU Kamae, T
AF Kamae, Tuneyoshi
BE Saito, S
Tanaka, H
Nakamura, T
Nakamura, M
TI Cosmic-Ray accelerators in Milky Way studied with the Fermi Gamma-ray
Space Telescope
SO INTERNATIONAL SYMPOSIUM: NANOSCIENCE AND QUANTUM PHYSICS 2011
(NANOPHYS'11)
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Symposium on Nanoscience and Quantum Physics
CY JAN 26-28, 2011
CL Tokyo, JAPAN
SP Tokyo Inst Technol, Phys GCOE Project
ID LARGE-AREA TELESCOPE; RAPIDLY SPINNING PULSARS; ENERGETIC RADIATION;
OUTER MAGNETOSPHERE; CRAB-NEBULA; FLARES; VELA
AB High-energy gamma-ray astrophysics is now situated at a confluence of particle physics, plasma physics and traditional astrophysics. Fermi Gamma-ray Space Telescope (FGST) and upgraded Imaging Atmospheric Cherenkov Telescopes (IACTs) have been invigorating this interdisciplinary area of research. Among many new developments, I focus on two types of cosmic accelerators in the Milky-Way galaxy (pulsar, pulsar wind nebula, and supernova remnants) and explain discoveries related to cosmic-ray acceleration.
C1 Stanford Univ, SLAC, Menlo Pk, CA 94025 USA.
RP Kamae, T (reprint author), Stanford Univ, SLAC, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA.
EM kamae@slac.stanford.edu
NR 19
TC 0
Z9 0
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 302
AR 012059
DI 10.1088/1742-6596/302/1/012059
PG 6
WC Nanoscience & Nanotechnology; Physics, Multidisciplinary
SC Science & Technology - Other Topics; Physics
GA BXY29
UT WOS:000297607900059
ER
PT S
AU Bolotnikov, A
Camarda, G
Hossain, A
Kim, KH
Yang, G
Gul, R
Cui, YG
James, RB
AF Bolotnikov, Aleksey
Camarda, Giuseppe
Hossain, Anwar
Kim, Ki Hyun
Yang, Ge
Gul, Rubi
Cui, Yonggang
James, Ralph B.
BE Wang, Y
Xie, H
Jin, Y
TI Development of CdZnTe Radiation Detectors
SO INTERNATIONAL SYMPOSIUM ON PHOTOELECTRONIC DETECTION AND IMAGING 2011:
SENSOR AND MICROMACHINED OPTICAL DEVICE TECHNOLOGIES
SE Proceedings of SPIE
LA English
DT Proceedings Paper
CT 4th International Symposium on Photoelectronic Detection and Imaging
(ISPDI) - Sensor and Micromachined Optical Device Technologies
CY MAY 24-26, 2011
CL Beijing, PEOPLES R CHINA
SP Chinese Soc Astronaut, Photoelect Technol Profess Comm, CSA, Tianjin Jinhang Inst Tech Phys, CASIC, Sci & Technol Low Light Level Night Vis Lab
DE CdZnTe; Radiation detectors; Crystal defects
AB Cadmium Zinc Telluride (CdZnTe or CZT) is a very attractive material for room-temperature semiconductor detectors because of its wide band-gap and high atomic number. Despite these advantages, CZT still presents some material limitations and poor hole mobility. In the past decade most of the efforts developing CZT detectors focused on designing different electrode configurations, mainly to minimize the deleterious effect due to the poor hole mobility. A few different electrode geometries were designed and fabricated, such as pixelated anodes and Frisch-grid detectors developed at Brookhaven National Lab (BNL) [1][2]. However, crystal defects in CZT materials still limit the yield of detector-grade crystals, and, in general, dominate the detector's performance. In the past few years, our group's research extended to characterizing the CZT materials at the micro-scale, and to correlating crystal defects with the detector's performance. We built a set of unique tools for this purpose, including infrared (IR) transmission microscopy, X-ray micro-scale mapping using synchrotron light source, X- ray transmission- and reflection-topography, current deep level transient spectroscopy (I-DLTS), and photoluminescence measurements. Our most recent work on CZT detectors was directed towards detailing various crystal defects, studying the internal electrical field, and delineating the effects of thermal annealing on improving the material properties. In this paper, we report our most recent results.
C1 [Bolotnikov, Aleksey; Camarda, Giuseppe; Hossain, Anwar; Kim, Ki Hyun; Yang, Ge; Gul, Rubi; Cui, Yonggang; James, Ralph B.] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Bolotnikov, A (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
EM ycui@bnl.gov
NR 11
TC 1
Z9 1
U1 2
U2 5
PU SPIE-INT SOC OPTICAL ENGINEERING
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
SN 0277-786X
BN 978-0-81948-832-9
J9 PROC SPIE
PY 2011
VL 8191
AR 819129
DI 10.1117/12.901077
PG 8
WC Instruments & Instrumentation; Optics; Imaging Science & Photographic
Technology
SC Instruments & Instrumentation; Optics; Imaging Science & Photographic
Technology
GA BXX96
UT WOS:000297572400081
ER
PT S
AU Ciovati, G
Kneisel, P
Myneni, GR
AF Ciovati, Gianluigi
Kneisel, Peter
Myneni, Ganapati R.
BE Myneni, GR
Ciovati, G
Stuart, M
TI America's Overview of Superconducting Science and Technology of Ingot
Niobium
SO INTERNATIONAL SYMPOSIUM ON THE SUPERCONDUCTING SCIENCE & TECHNOLOGY OF
INGOT NIOBIUM
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT International Symposium on the Superconducting Science and Technology of
Ingot Niobium
CY SEP 22-24, 2010
CL Jefferson Lab, Newport News, VA
SP CBMM, Jefferson Lab, Int Symposium Hydrogen Matter
HO Jefferson Lab
DE Superconducting cavities; niobium
ID MECHANICAL-PROPERTIES; CRYSTAL NIOBIUM; SRF CAVITIES
AB This contribution will present an overview of the results from R&D programs in the USA over the past four years towards the development of ingot Niobium as a viable alternative material to fabricate SRF cavities for particle accelerators. Activities at several laboratories and universities include fabrication, surface treatment and RF testing of single- and multi-cell cavities and studies of the thermal, mechanical and superconducting properties of samples from ingots of different purity. Possible advantages of ingot niobium over standard fine-grain (ASTM 6) are discussed and a streamlined treatment procedure to fully exploit those advantages is proposed.
C1 [Ciovati, Gianluigi; Kneisel, Peter; Myneni, Ganapati R.] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA.
RP Ciovati, G (reprint author), Thomas Jefferson Natl Accelerator Facil, 12000 Jefferson Ave, Newport News, VA 23606 USA.
NR 37
TC 6
Z9 6
U1 0
U2 5
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0909-5
J9 AIP CONF PROC
PY 2011
VL 1352
BP 25
EP 37
DI 10.1063/1.3579221
PG 13
WC Materials Science, Multidisciplinary; Physics, Applied; Physics,
Particles & Fields; Spectroscopy
SC Materials Science; Physics; Spectroscopy
GA BVW11
UT WOS:000292939700003
ER
PT S
AU Ricker, RE
Myneni, GR
AF Ricker, R. E.
Myneni, G. R.
BE Myneni, GR
Ciovati, G
Stuart, M
TI Thermodynamic Evaluation of Hydrogen Absorption by Niobium During SRF
Fabrication
SO INTERNATIONAL SYMPOSIUM ON THE SUPERCONDUCTING SCIENCE & TECHNOLOGY OF
INGOT NIOBIUM
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT International Symposium on the Superconducting Science and Technology of
Ingot Niobium
CY SEP 22-24, 2010
CL Jefferson Lab, Newport News, VA
SP CBMM, Jefferson Lab, Int Symposium Hydrogen Matter
HO Jefferson Lab
DE Superconducting niobium; fabrication; chemical polishing;
electropolishing; hydrogen absorption
AB The properties and performance of the ultra high purity Nb used to fabricate superconducting radio frequency (SRF) particle accelerator cavities have been found to vary with processing conditions. One hypothesis for these variations is that hydrogen, absorbed during processing, is responsible for this behavior. The key assumption behind this hypothesis is that niobium can absorb hydrogen from one or more of the processing environments. This paper reviews work examining the validity of this assumption. It was determined that Nb will spontaneously react with water producing adsorbed atomic hydrogen that is readily absorbed into the metal. The passivating oxide film normally prevents this reaction, but this film is frequently removed during processing and it is attacked by the fluoride ion used in the polishing solutions for SRF cavities. However, during electropolishing that cathodic reduction of hydrogen is transferred to the auxiliary electrode and this should suppress hydrogen absorption.
C1 [Ricker, R. E.] Natl Inst Stand & Technol, Div Met, Gaithersburg, MD 20899 USA.
[Myneni, G. R.] Thomas Jefferson Natl Accelerator Fac, Newport News, VA 23606 USA.
RP Ricker, RE (reprint author), Natl Inst Stand & Technol, Div Met, Gaithersburg, MD 20899 USA.
RI Sanders, Susan/G-1957-2011; Ricker, Richard/H-4880-2011
OI Ricker, Richard/0000-0002-2871-4908
NR 5
TC 0
Z9 0
U1 0
U2 2
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0909-5
J9 AIP CONF PROC
PY 2011
VL 1352
BP 49
EP +
DI 10.1063/1.3579223
PG 2
WC Materials Science, Multidisciplinary; Physics, Applied; Physics,
Particles & Fields; Spectroscopy
SC Materials Science; Physics; Spectroscopy
GA BVW11
UT WOS:000292939700005
ER
PT S
AU Roy, SB
Sahni, VC
Myneni, GR
AF Roy, S. B.
Sahni, V. C.
Myneni, G. R.
BE Myneni, GR
Ciovati, G
Stuart, M
TI Research & Development on Superconducting Niobium Materials via Magnetic
Measurements
SO INTERNATIONAL SYMPOSIUM ON THE SUPERCONDUCTING SCIENCE & TECHNOLOGY OF
INGOT NIOBIUM
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT International Symposium on the Superconducting Science and Technology of
Ingot Niobium
CY SEP 22-24, 2010
CL Jefferson Lab, Newport News, VA
SP CBMM, Jefferson Lab, Int Symposium Hydrogen Matter
HO Jefferson Lab
DE Niobium; superconducting critical field; superconducting cavity
ID OXYGEN
AB We present a study of superconducting properties of both large grain (1 mm average grain size) and small grain (50 micron average grain size) Niobium materials containing varying amounts of Tantalum impurities that have been used in the fabrication of high accelerating gradient superconducting radio frequency cavities. We found that a buffered chemical polishing of these Niobium samples causes a distinct reduction in the superconducting parameters like T-C, wt- ppm to 1300 wt-ppm. Implications of these results on the performance of niobium superconducting radio frequency cavities are discussed, especially the anomalous high field RF losses that have been reported in the literature.
C1 [Roy, S. B.] Raja Ramanna Ctr Adv Technol, Magnet & Superconducting Mat Sect, Indore 452013, Madhya Pradesh, India.
[Sahni, V. C.] Bhabha Atom Res Ctr, Bombay 400085, Maharashtra, India.
[Myneni, G. R.] Thomas Jefferson Natl Accelerator Fac, Newport News, VA 23606 USA.
RP Roy, SB (reprint author), Raja Ramanna Ctr Adv Technol, Magnet & Superconducting Mat Sect, Indore 452013, Madhya Pradesh, India.
NR 11
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0909-5
J9 AIP CONF PROC
PY 2011
VL 1352
BP 56
EP +
DI 10.1063/1.3579224
PG 2
WC Materials Science, Multidisciplinary; Physics, Applied; Physics,
Particles & Fields; Spectroscopy
SC Materials Science; Physics; Spectroscopy
GA BVW11
UT WOS:000292939700006
ER
PT S
AU Tchelidze, L
Wells, DP
Maloy, SA
AF Tchelidze, L.
Wells, D. P.
Maloy, S. A.
BE Kuriplach, J
Prochazka, I
TI Defect studies of stainless steel via positron annihilation energy
spectroscopy
SO INTERNATIONAL WORKSHOP ON POSITRON STUDIES OF DEFECTS (PSD 08)
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT International Workshop on Positron Studies of Defects (PSD 08)
CY SEP 01-05, 2008
CL Charles Univ, Fac Math & Phys, Prague, CZECH REPUBLIC
HO Charles Univ, Fac Math & Phys
ID RADIATION; SPECTRA
AB High Energy proton (up to 800 MeV) and spallation neutron irradiated samples of stainless steel 316L and Mod 9Cr1Mo were studied using positron annihilation energy spectroscopy. Doses delivered to 316L were up to 10 displacements per atom (dpa) and doses to 9Cr1Mo were up to 2.5dpa. We studied the change of T-parameter, which is calculated as the ratio of the number of counts in the wings of the Doppler-broadened 511 keV peak to the number of counts in the center of the peak. T-parameter is related to the density of defects in the sample of interest. Higher defect densities induce, generally, smaller T-parameter, although this is complicated by additional effects that include the size, nature and other properties of defects that may lead to saturation of T-parameter. For the large doses studied, positron annihilation energy spectroscopy showed that the T-parameter dropped sharply from 0 to 3 dpa, and continued dropping up to 10 dpa. In 9Cr1Mo, similarly, T-parameter dropped sharply from 0 dpa to 1dpa, but from 1 dpa to 2.5 dpa it remained constant, indicating that the density of defects or T-parameter saturated with dose above 1 dpa in 9Cr1Mo. These results, where the change in T-parameter from zero dose to 1 or more dpa, is much larger than the effect that we see from one irradiated specimen to another, led us in both cases to investigate lower doses. We measured energy spectra in 316L and 9Cr1Mo that were irradiated under the similar conditions as the above samples, but with doses less than 0.1dpa. These results fill in the gap between 0 and 1 dpa and suggest that most of the change in T-parameter occurs below 0.05 dpa.
C1 [Tchelidze, L.; Wells, D. P.] Idaho State Univ, Dept Phys, 785 S 8th Ave,Campus Box 8106, Pocatello, ID 83209 USA.
[Wells, D. P.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Tchelidze, L (reprint author), Idaho State Univ, Dept Phys, 785 S 8th Ave,Campus Box 8106, Pocatello, ID 83209 USA.
EM tchelali@isu.edu
RI Maloy, Stuart/A-8672-2009
OI Maloy, Stuart/0000-0001-8037-1319
FU DOE [DE FG04 02AL68026, DE FC07 06ID 14780]
FX This work was supported by DOE under contract number DE FG04 02AL68026
and DE FC07 06ID 14780. The authors gratefully acknowledge the review of
this manuscript and helpful suggestions of Dr. Bulent Sencer.
NR 4
TC 0
Z9 0
U1 0
U2 1
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 265
AR 012011
DI 10.1088/1742-6596/265/1/012011
PG 4
WC Nanoscience & Nanotechnology; Instruments & Instrumentation; Materials
Science, Multidisciplinary; Physics, Condensed Matter
SC Science & Technology - Other Topics; Instruments & Instrumentation;
Materials Science; Physics
GA BVO23
UT WOS:000292036000011
ER
PT J
AU Wang, C
Verma, N
Kwon, Y
Tiekink, W
Kikuchi, N
Sridhar, S
AF Wang, Cong
Verma, Neerav
Kwon, Youjong
Tiekink, Wouter
Kikuchi, Naoki
Sridhar, Seetharaman
TI A Study on the Transient Inclusion Evolution during Reoxidation of a
Fe-Al-Ti-O Melt
SO ISIJ INTERNATIONAL
LA English
DT Article
DE inclusions; reoxidation; transient stage
ID ALUMINUM OXIDE; SOLID SOLUTION; MOLTEN STEEL; TITANIUM; BEHAVIOR;
SYSTEM; NOZZLE; AL2O3; SLAGS
AB The effect of a simulated reoxidizing environment on the chemical and morphological evolution of nonmetallic oxide inclusions was studied. Additions of 545 ppm and 274 ppm of soluble oxygen were introduced to an Al killed melt containing approximately 600 ppm of Ti and 600 ppm of Al. It was found that inclusion chemistry evolved from Al(2)O(3), Al(2)TiO(5) and eventually to Ti(3)O(5) for the higher oxygen addition case and to Al-Ti complex oxides for the lower oxygen addition one. Morphologically, it was observed that irregular inclusions gradually were replaced by spherical ones during the reoxidation process. These changes are discussed through the coupling of thermodynamic prediction and experimental conditions, and considerations on the local variations of O and metallic element activities.
C1 [Wang, Cong; Verma, Neerav; Kwon, Youjong; Sridhar, Seetharaman] Carnegie Mellon Univ, Dept Mat Sci & Engn, Ctr Iron & Steelmaking Res, Pittsburgh, PA 15213 USA.
[Tiekink, Wouter] Tata Steel Res Dev & Technol, NL-1970 CA Ijmuiden, Netherlands.
[Kikuchi, Naoki] JFE Steel Corp, Steelmaking Res Dept, Steel Res Lab, Hiroshima 7218510, Japan.
[Sridhar, Seetharaman] Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
RP Wang, C (reprint author), Carnegie Mellon Univ, Dept Mat Sci & Engn, Ctr Iron & Steelmaking Res, 5000 Forbes Ave, Pittsburgh, PA 15213 USA.
EM sridhars@andrew.cmu.edu
RI Wang, Cong/E-8156-2011
FU Center for Iron and Steelmaking Research (CISR)
FX The authors would like to acknowledge the Center for Iron and
Steelmaking Research (CISR) for financial support.
NR 30
TC 14
Z9 17
U1 0
U2 10
PU IRON STEEL INST JAPAN KEIDANREN KAIKAN
PI TOKYO
PA NIIKURA BLDG 2F, 2 KANDA-TSUKASACHO 2-CHOME, TOKYO, CHIYODA-KU 101-0048,
JAPAN
SN 0915-1559
J9 ISIJ INT
JI ISIJ Int.
PY 2011
VL 51
IS 3
BP 375
EP 381
PG 7
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA 742FS
UT WOS:000288927300006
ER
PT J
AU Kikuchi, N
Nabeshima, S
Yamashita, T
Kishimoto, Y
Sridhar, S
Nagasaka, T
AF Kikuchi, Naoki
Nabeshima, Seiji
Yamashita, Takako
Kishimoto, Yasuo
Sridhar, Seetharaman
Nagasaka, Tetsuya
TI Micro-structure Refinement in Low Carbon High Manganese Steels through
Ti-Deoxidation, Characterization and Effect of Secondary Deoxidation
Particles
SO ISIJ INTERNATIONAL
LA English
DT Article
DE low-carbon steel; de-oxidation; Aluminum; Titanium; inclusion;
solidification microstructure; Confocal-laser-scanning-microscopy;
ferrite formation; grain growth; Ti-oxide
ID AUSTENITE GRAIN-GROWTH; IN-SITU OBSERVATION; LOW-ALLOY STEELS; PERCENT-P
ALLOYS; ACICULAR FERRITE; INCLUSION PARTICLES; WELD METALS;
SOLIDIFICATION MICROSTRUCTURE; STAINLESS-STEEL; ARC WELDS
AB This paper investigates the effect of de-oxidation inclusions on micro-structure in low carbon (0.07 mass%), high Mn (0.9 mass%) steel. De-oxidation tests were carried out by adding either aluminum (0.05 mass%) or titanium (0.05, 0.03 or 0.015 mass%) to an iron melt in a 400 g-scale vacuum furnace. A Confocal Scanning Laser Microscope (CSLM) was used to evaluate the effect of cooling rate by re-melting and quenching during solidification. Fine secondary de-oxidation particles were obtained in the Ti-killed samples, and the particle density increased with increasing oxygen content, and their size decreased with increasing the cooling rate during solidification.
The secondary Ti de-oxidation particles were found to have an effect on microstructure evolution, such as solidifying microstructure, austenite grain growth and austenite decomposition. The de-oxidation particles were examined through FE-TEM and were identified to be TiO, MnTiO(3) and Mn(2)TiO(4), in low oxygen ([O]=7 ppm) and high oxygen ([O]=56, 81 ppm) Ti-killed steels respectively, which were qualitatively same as those predicted by thermodynamic calculations. Stabilities of TiO, MnTiO(3) and Mn(2)TiO(4) are influenced by Mn presence. Composition change and decomposition of oxide were estimated through thermodynamic calculations. The effect of the particles on ferrite formation was evaluated through thermo-mechanical treatments. TiO was the most effective for promoting ferrite formation through heterogeneous nucleation. The particles contributed to ferrite formation in the following order, TiO>TiN>MnS> MnTiO(3)>Ti(2)O(3).
It was found that the secondary Ti de-oxidation particles work are engulfed by the advancing solid phase during solidification based on analysis with PET (Pushing Engulfment Transition) velocity, particle sizes and solidification rates. The particles at dendrite tips and inter-dendritic regions are likely restraining the molten steel flow resulting in a finer solidification microstructure.
C1 [Kikuchi, Naoki] JFE Steel Corp, Steel Res Lab, Steelmaking Res Dept, Fukuyama, Hiroshima 7218510, Japan.
[Nabeshima, Seiji] JFE Steel Corp, Steel Res Lab, Steelmaking Res Dept, Kurashiki, Okayama 7128511, Japan.
[Yamashita, Takako] JFE Steel Corp, Steel Res Lab, Anal & Characterizat Res Dept, Chuo Ku, Chiba 2600835, Japan.
[Kishimoto, Yasuo] JFE Steel Corp, Steel Res Lab, Res Planning & Adm Dept, Chuo Ku, Chiba 2600835, Japan.
[Sridhar, Seetharaman] Carnegie Mellon Univ, Dept Mat Sci & Engn, Pittsburgh, PA 15213 USA.
[Sridhar, Seetharaman] Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Nagasaka, Tetsuya] Tohoku Univ, Grad Sch Environm Studies, Aoba Ku, Sendai, Miyagi 9808579, Japan.
RP Kikuchi, N (reprint author), JFE Steel Corp, Steel Res Lab, Steelmaking Res Dept, 1 Kokan Cho, Fukuyama, Hiroshima 7218510, Japan.
EM n-kikuchi@jfe-steel.co.jp; se-nabeshima@jfe-steel.co.jp;
ta-yamashita@jfe-steel.co.jp; y-kishimoto@jfe-steel.co.jp;
sridhars@andrew.cmu.edu; nagasaka@mail.tains.tohoku.ac.jp
NR 53
TC 6
Z9 6
U1 4
U2 17
PU IRON STEEL INST JAPAN KEIDANREN KAIKAN
PI TOKYO
PA NIIKURA BLDG 2F, 2 KANDA-TSUKASACHO 2-CHOME, TOKYO, CHIYODA-KU 101-0048,
JAPAN
SN 0915-1559
J9 ISIJ INT
JI ISIJ Int.
PY 2011
VL 51
IS 12
SI SI
BP 2019
EP 2028
PG 10
WC Metallurgy & Metallurgical Engineering
SC Metallurgy & Metallurgical Engineering
GA 869UU
UT WOS:000298624500013
ER
PT J
AU Lykidis, A
Chen, CL
Tringe, SG
McHardy, AC
Copeland, A
Kyrpides, NC
Hugenholtz, P
Macarie, H
Olmos, A
Monroy, O
Liu, WT
AF Lykidis, Athanasios
Chen, Chia-Lung
Tringe, Susannah G.
McHardy, Alice C.
Copeland, Alex
Kyrpides, Nikos C.
Hugenholtz, Philip
Macarie, Herve
Olmos, Alejandro
Monroy, Oscar
Liu, Wen-Tso
TI Multiple syntrophic interactions in a terephthalate-degrading
methanogenic consortium
SO ISME JOURNAL
LA English
DT Article
DE metagenomics; methanogenesis; syntroph; microbial diversity; carbon
cycling
ID GEOBACTER-METALLIREDUCENS; COMMUNITY STRUCTURE; ANAEROBIC-BACTERIA;
PHTHALATE ISOMERS; BENZOYL-COENZYME; GENOME SEQUENCE; GEN. NOV.;
DEGRADATION; ENVIRONMENTS; METABOLISM
AB Terephthalate (TA) is one of the top 50 chemicals produced worldwide. Its production results in a TA-containing wastewater that is treated by anaerobic processes through a poorly understood methanogenic syntrophy. Using metagenomics, we characterized the methanogenic consortium inside a hyper-mesophilic (that is, between mesophilic and thermophilic), TA-degrading bioreactor. We identified genes belonging to dominant Pelotomaculum species presumably involved in TA degradation through decarboxylation, dearomatization, and modified b-oxidation to H-2/CO2 and acetate. These intermediates are converted to CH4/CO2 by three novel hyper-mesophilic methanogens. Additional secondary syntrophic interactions were predicted in Thermotogae, Syntrophus and candidate phyla OP5 and WWE1 populations. The OP5 encodes genes capable of anaerobic autotrophic butyrate production and Thermotogae, Syntrophus and WWE1 have the genetic potential to oxidize butyrate to CO2/H-2 and acetate. These observations suggest that the TA-degrading consortium consists of additional syntrophic interactions beyond the standard H-2-producing syntroph-methanogen partnership that may serve to improve community stability. The ISME Journal (2011) 5, 122-130; doi:10.1038/ismej.2010.125; published online 5 August 2010
C1 [Liu, Wen-Tso] Univ Illinois, Dept Civil & Environm Engn, Newmark Civil Engn Lab 3207, Urbana, IL 61801 USA.
[Lykidis, Athanasios; Tringe, Susannah G.; Copeland, Alex; Kyrpides, Nikos C.; Hugenholtz, Philip] Lawrence Natl Berkeley Lab, Joint Genome Inst, Walnut Creek, CA USA.
[Chen, Chia-Lung; Liu, Wen-Tso] Natl Univ Singapore, Div Environm Sci & Engn, Singapore 117548, Singapore.
[McHardy, Alice C.] Max Planck Inst Informat, Saarbrucken, Germany.
[Macarie, Herve] PRAM, UMR IMEP, IRD, Le Lamentin, France.
[Olmos, Alejandro; Monroy, Oscar] Univ Autonoma Metropolitana Iztapalapa, Dept Biotecnol, Mexico City, DF, Mexico.
[Liu, Wen-Tso] Univ Illinois, Dept Civil & Environm Engn, Urbana, IL 61801 USA.
RP Liu, WT (reprint author), Univ Illinois, Dept Civil & Environm Engn, Newmark Civil Engn Lab 3207, MC-250,205 N Mathews Ave, Urbana, IL 61801 USA.
EM wtliu@illinois.edu
RI Liu, Wen-Tso/C-8788-2011; Hugenholtz, Philip/G-9608-2011; Abu Laban ,
Dr. Nidal /E-5809-2011; Macarie, Herve/B-1403-2013; Monroy-Hermosillo,
Oscar/M-4720-2016; Kyrpides, Nikos/A-6305-2014;
OI Liu, Wen-Tso/0000-0002-8700-9803; Macarie, Herve/0000-0002-8233-6215;
Kyrpides, Nikos/0000-0002-6131-0462; Tringe,
Susannah/0000-0001-6479-8427; Monroy, Oscar/0000-0003-0073-711X
FU US Department of Energy's Office of Science, Biological and
Environmental Research; 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 This work was 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, Lawrence Livermore
National Laboratory under Contract No. DE-AC52-07NA27344 and Los Alamos
National Laboratory under contract No. DE-AC02-06NA25396.
NR 31
TC 41
Z9 42
U1 4
U2 41
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 JAN
PY 2011
VL 5
IS 1
BP 122
EP 130
DI 10.1038/ismej.2010.125
PG 9
WC Ecology; Microbiology
SC Environmental Sciences & Ecology; Microbiology
GA 701TB
UT WOS:000285845200012
PM 20686509
ER
PT J
AU Burnum, KE
Callister, SJ
Nicora, CD
Purvine, SO
Hugenholtz, P
Warnecke, F
Scheffrahn, RH
Smith, RD
Lipton, MS
AF Burnum, Kristin E.
Callister, Stephen J.
Nicora, Carrie D.
Purvine, Samuel O.
Hugenholtz, Philip
Warnecke, Falk
Scheffrahn, Rudolf H.
Smith, Richard D.
Lipton, Mary S.
TI Proteome insights into the symbiotic relationship between a captive
colony of Nasutitermes corniger and its hindgut microbiome
SO ISME JOURNAL
LA English
DT Article
DE Nasutitermes; mass spectrometry; microbial communities
ID HIGHER TERMITE; METABOLISM; CELLULASES; ACETATE; BIOLOGY
AB We analyzed the metaproteome of the bacterial community resident in the hindgut paunch of the wood-feeding 'higher' termite (Nasutitermes) and identified 886 proteins, 197 of which have known enzymatic function. Using these enzymes, we reconstructed complete metabolic pathways revealing carbohydrate transport and metabolism, nitrogen fixation and assimilation, energy production, amino-acid synthesis and significant pyruvate ferredoxin/flavodoxin oxidoreductase protein redundancy. Our results suggest that the activity associated with these enzymes may have more of a role in the symbiotic relationship between the hindgut microbial community and its termite host than activities related to cellulose degradation. The ISME Journal (2011) 5, 161-164; doi:10.1038/ismej.2010.97; published online 8 July 2010
C1 [Burnum, Kristin E.; Callister, Stephen J.; Nicora, Carrie D.; Purvine, Samuel O.; Smith, Richard D.; Lipton, Mary S.] Pacific NW Natl Lab, Div Biol Sci, Richland, WA 99352 USA.
[Hugenholtz, Philip; Warnecke, Falk] DOE Joint Genome Inst, Microbial Ecol Program, Walnut Creek, CA USA.
[Scheffrahn, Rudolf H.] Univ Florida, Lauderdale Res & Educ Ctr, Davie, FL USA.
RP Lipton, MS (reprint author), Pacific NW Natl Lab, Div Biol Sci, POB 999,K8-98, Richland, WA 99352 USA.
EM mary.lipton@pnl.gov
RI Burnum, Kristin/B-1308-2011; Hugenholtz, Philip/G-9608-2011; Smith,
Richard/J-3664-2012
OI Burnum, Kristin/0000-0002-2722-4149; Smith, Richard/0000-0002-2381-2349
FU US Department of Energy's Office of Biological and Environmental
Research; DOE's Office of Biological and Environmental Research; DOE
[DE-ACO5-76RLO 1830]; Genomes to Life
FX The research described in this paper was funded by the Genomes to Life
program sponsored by the US Department of Energy's Office of Biological
and Environmental Research and performed in the Environmental Molecular
Sciences Laboratory, a national scientific user facility sponsored by
the DOE's Office of Biological and Environmental Research and located at
Pacific Northwest National Laboratory (PNNL). PNNL is a multiprogram
national laboratory operated by Battelle for the DOE under Contract
DE-ACO5-76RLO 1830. We also thank Penny Colton for technical editing.
The data used in the analysis can requested at
http://ober-proteomics.pnl.gov/.
NR 12
TC 32
Z9 34
U1 3
U2 28
PU NATURE PUBLISHING GROUP
PI LONDON
PA MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND
SN 1751-7362
J9 ISME J
JI ISME J.
PD JAN
PY 2011
VL 5
IS 1
BP 161
EP 164
DI 10.1038/ismej.2010.97
PG 4
WC Ecology; Microbiology
SC Environmental Sciences & Ecology; Microbiology
GA 701TB
UT WOS:000285845200016
PM 20613792
ER
PT S
AU Pennington, MR
AF Pennington, M. R.
BE LlanesEstrada, FJ
Pelaez, JR
TI Strong Coupling Continuum QCD
SO IX INTERNATIONAL CONFERENCE ON QUARK CONFINEMENT AND THE HADRON SPECTRUM
(QCHS IX)
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 9th International Conference on Quark Confinement and the Hadron
Spectrum
CY AUG 30-SEP 03, 2010
CL Univ Complutense Madrid, Madrid, SPAIN
SP CPAN, GOBIERNO DE ESPANA, HadronPhysics, HELMHOLTZ, Inst Mainz, Jefferson Lab, EPS, FlaviA net, Real Soc Espanola de Fisica
HO Univ Complutense Madrid
DE Quarks; gluons; ghosts; confinement; hadrons
ID DYSON-SCHWINGER EQUATIONS; YANG-MILLS THEORY; ELECTROMAGNETIC
FORM-FACTORS; GAUGE GLUON PROPAGATOR; INFRARED BEHAVIOR; LANDAU GAUGE;
AXIAL GAUGE; NONPERTURBATIVE CALCULATION; QUARK CONFINEMENT;
SYMMETRY-BREAKING
AB The Schwinger-Dyson, Bethe-Salpeter system of equations are the link between coloured quarks and gluons, and colourless hadrons and their properties. This talk reviews some aspects of these studies from the infrared behaviour of ghosts to the prediction of electromagnetic form-factors.
C1 Thomas Jefferson Natl Accelerator Facil, Ctr Theory, Newport News, VA 23606 USA.
RP Pennington, MR (reprint author), Thomas Jefferson Natl Accelerator Facil, Ctr Theory, 12000 Jefferson Ave, Newport News, VA 23606 USA.
NR 75
TC 4
Z9 4
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0899-9
J9 AIP CONF PROC
PY 2011
VL 1343
BP 63
EP 68
DI 10.1063/1.3574943
PG 6
WC Physics, Particles & Fields
SC Physics
GA BWT25
UT WOS:000294780400009
ER
PT S
AU Thomas, CE
AF Thomas, Christopher E.
CA Hadron Spectrum Collaboration
BE LlanesEstrada, FJ
Pelaez, JR
TI Highly excited and exotic meson spectroscopy from lattice QCD
SO IX INTERNATIONAL CONFERENCE ON QUARK CONFINEMENT AND THE HADRON SPECTRUM
(QCHS IX)
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 9th International Conference on Quark Confinement and the Hadron
Spectrum
CY AUG 30-SEP 03, 2010
CL Univ Complutense Madrid, Madrid, SPAIN
SP CPAN, GOBIERNO DE ESPANA, HadronPhysics, HELMHOLTZ, Inst Mainz, Jefferson Lab, EPS, FlaviA net, Real Soc Espanola de Fisica
HO Univ Complutense Madrid
DE Lattice QCD; spectroscopy; light mesons; exotics
AB We discuss recent progress in calculating highly excited and exotic light meson spectra using lattice QCD. A combination of techniques have enabled us to extract the most extensive excited meson spectra ever obtained from such a calculation and to reliably identify the spin of the extracted states. Highlights of these spectra include many states with exotic quantum numbers and, for the first time in such a calculation, spin-four mesons. We conclude with some comments on future prospects.
C1 [Thomas, Christopher E.; Hadron Spectrum Collaboration] Jefferson Lab, Newport News, VA 23606 USA.
RP Thomas, CE (reprint author), Jefferson Lab, 12000 Jefferson Ave,Suite 1, Newport News, VA 23606 USA.
NR 12
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0899-9
J9 AIP CONF PROC
PY 2011
VL 1343
BP 284
EP 286
DI 10.1063/1.3575004
PG 3
WC Physics, Particles & Fields
SC Physics
GA BWT25
UT WOS:000294780400070
ER
PT S
AU Bodwin, GT
Tormo, XGI
Lee, J
AF Bodwin, Geoffrey T.
Garcia i Tormo, Xavier
Lee, Jungil
BE LlanesEstrada, FJ
Pelaez, JR
TI Closing a Loophole in Factorization Proofs
SO IX INTERNATIONAL CONFERENCE ON QUARK CONFINEMENT AND THE HADRON SPECTRUM
(QCHS IX)
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 9th International Conference on Quark Confinement and the Hadron
Spectrum
CY AUG 30-SEP 03, 2010
CL Univ Complutense Madrid, Madrid, SPAIN
SP CPAN, GOBIERNO DE ESPANA, HadronPhysics, HELMHOLTZ, Inst Mainz, Jefferson Lab, EPS, FlaviA net, Real Soc Espanola de Fisica
HO Univ Complutense Madrid
DE quantum chromodynamics; factorization; perturbation theory
ID VACUUM POLARIZATION DIAGRAMS; HADRON-HADRON SCATTERING; ANNIHILATION
PROCESSES; MASS DIVERGENCES
AB We address the possibility in factorization proofs that low-energy collinear gluons can couple to soft gluons.
C1 [Bodwin, Geoffrey T.; Garcia i Tormo, Xavier] Argonne Natl Lab, HEP Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
[Garcia i Tormo, Xavier] Univ Alberta, Dept Phys, Edmonton, AB T6G 2G7, Canada.
[Lee, Jungil] Korea Univ, Dept Phys, Seoul 136701, South Korea.
RP Bodwin, GT (reprint author), Argonne Natl Lab, HEP Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
FU U.S. Department of Energy; Division of High Energy Physics
[DE-AC02-06CH11357]; NSERC
FX The work of G.T.B. and X.G.T. was supported by the U.S. Department of
Energy, Division of High Energy Physics, under Contract No.
DE-AC02-06CH11357. The research of X.G.T. was also supported by NSERC.
NR 12
TC 1
Z9 1
U1 0
U2 1
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0899-9
J9 AIP CONF PROC
PY 2011
VL 1343
BP 317
EP 319
DI 10.1063/1.3575015
PG 3
WC Physics, Particles & Fields
SC Physics
GA BWT25
UT WOS:000294780400081
ER
PT S
AU Pasyuk, E
AF Pasyuk, Eugene
BE LlanesEstrada, FJ
Pelaez, JR
TI Baryon Spectroscopy with CLAS
SO IX INTERNATIONAL CONFERENCE ON QUARK CONFINEMENT AND THE HADRON SPECTRUM
(QCHS IX)
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 9th International Conference on Quark Confinement and the Hadron
Spectrum
CY AUG 30-SEP 03, 2010
CL Univ Complutense Madrid, Madrid, SPAIN
SP CPAN, GOBIERNO DE ESPANA, HadronPhysics, HELMHOLTZ, Inst Mainz, Jefferson Lab, EPS, FlaviA net, Real Soc Espanola de Fisica
HO Univ Complutense Madrid
DE baryon spectroscopy; meson photoproduction
ID BREMSSTRAHLUNG; PHOTON
AB A large part of the experimental program of CLAS at Jefferosn Lab is dedicated to hadron spectroscopy. An overview of this program is presented.
C1 Jefferson Lab, Newport News, VA USA.
RP Pasyuk, E (reprint author), Jefferson Lab, Newport News, VA USA.
NR 18
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0899-9
J9 AIP CONF PROC
PY 2011
VL 1343
BP 325
EP 327
DI 10.1063/1.3575018
PG 3
WC Physics, Particles & Fields
SC Physics
GA BWT25
UT WOS:000294780400084
ER
PT S
AU D'Elia, M
Mukherjee, S
Sanfilippo, F
AF D'Elia, M.
Mukherjee, S.
Sanfilippo, F.
BE LlanesEstrada, FJ
Pelaez, JR
TI The QCD Phase Transition in Strong Magnetic Fields
SO IX INTERNATIONAL CONFERENCE ON QUARK CONFINEMENT AND THE HADRON SPECTRUM
(QCHS IX)
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 9th International Conference on Quark Confinement and the Hadron
Spectrum
CY AUG 30-SEP 03, 2010
CL Univ Complutense Madrid, Madrid, SPAIN
SP CPAN, GOBIERNO DE ESPANA, HadronPhysics, HELMHOLTZ, Inst Mainz, Jefferson Lab, EPS, FlaviA net, Real Soc Espanola de Fisica
HO Univ Complutense Madrid
DE QCD; Magnetic Background Field; Deconfinement; Chiral Symmetry
ID HEAVY-ION COLLISIONS; ELECTROMAGNETIC-FIELD; SYMMETRY; MODEL
AB We investigate the properties of the deconfining/chiral restoring transition for two flavor QCD in presence of a uniform background magnetic field. We adopt a standard staggered discretization of the fermion action, different values of the bare quark mass corresponding to m(pi) ranging from 200 to 500 MeV, and magnetic fields up to eB 1 GeV2. We present first results regarding the dependence of the deconfinement and chiral transition temperature and strength on the magnetic field.
C1 [D'Elia, M.] Univ Genoa, Dipartimento Fis, Via Dodecaneso 33, I-16146 Genoa, Italy.
[Mukherjee, S.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
[Sanfilippo, F.] Univ Roma La Sapienza, Ist Nazl Fis Nucl, Dipartimento Fis, I-00185 Rome, Italy.
RP D'Elia, M (reprint author), Univ Genoa, Dipartimento Fis, Via Dodecaneso 33, I-16146 Genoa, Italy.
RI Sanfilippo, Francesco/P-9914-2016;
OI Sanfilippo, Francesco/0000-0002-1333-745X; Mukherjee,
Swagato/0000-0002-3824-1008
FU U.S. Department of Energy. [DE-AC02-98CH10886]
FX S. M. is supported under Contract No. DE-AC02- 98CH10886 with the U.S.
Department of Energy.
NR 25
TC 0
Z9 0
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0899-9
J9 AIP CONF PROC
PY 2011
VL 1343
BP 525
EP 527
DI 10.1063/1.3575083
PG 3
WC Physics, Particles & Fields
SC Physics
GA BWT25
UT WOS:000294780400149
ER
PT S
AU Kojo, T
AF Kojo, Toru
BE LlanesEstrada, FJ
Pelaez, JR
TI Quarkyonic matter and chiral spirals
SO IX INTERNATIONAL CONFERENCE ON QUARK CONFINEMENT AND THE HADRON SPECTRUM
(QCHS IX)
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 9th International Conference on Quark Confinement and the Hadron
Spectrum
CY AUG 30-SEP 03, 2010
CL Univ Complutense Madrid, Madrid, SPAIN
SP CPAN, GOBIERNO DE ESPANA, HadronPhysics, HELMHOLTZ, Inst Mainz, Jefferson Lab, EPS, FlaviA net, Real Soc Espanola de Fisica
HO Univ Complutense Madrid
DE Dense quark matter; Chiral symmetry breaking; Large N-c expansion
ID LARGE N-C; DENSITY; QCD
AB Nuclear matter, deconfined quark matter, and Quarkyonic matter in low temperature region are classified based on the 1/N-c expansion. The chiral symmetry in the Quarkyonic matter is investigated by taking into account condensations of chiral particle-hole pairs. It is argued that chiral symmetry and parity are locally violated by the formation of chiral spirals, <(psi) over bar exp(2i mu(q)z gamma(0)gamma(z))psi >. An extension to multiple chiral spirals is also briefly discussed.
C1 Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA.
RP Kojo, T (reprint author), Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA.
NR 9
TC 0
Z9 0
U1 0
U2 2
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0899-9
J9 AIP CONF PROC
PY 2011
VL 1343
BP 557
EP 559
DI 10.1063/1.3575093
PG 3
WC Physics, Particles & Fields
SC Physics
GA BWT25
UT WOS:000294780400159
ER
PT S
AU Zihlmann, B
AF Zihlmann, B.
BE LlanesEstrada, FJ
Pelaez, JR
TI The Search for Gluonic Degrees of Freedom in QCD using the GlueX
Facility at Jefferson Lab
SO IX INTERNATIONAL CONFERENCE ON QUARK CONFINEMENT AND THE HADRON SPECTRUM
(QCHS IX)
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 9th International Conference on Quark Confinement and the Hadron
Spectrum
CY AUG 30-SEP 03, 2010
CL Univ Complutense Madrid, Madrid, SPAIN
SP CPAN, GOBIERNO DE ESPANA, HadronPhysics, HELMHOLTZ, Inst Mainz, Jefferson Lab, EPS, FlaviA net, Real Soc Espanola de Fisica
HO Univ Complutense Madrid
DE Exotic Mesons; Photo-production
AB The search for gluonic degrees of freedom in mesons is an experimental challenge. The most promising approach is to look for mesons with exotic quantum numbers that can not be described by quark degrees of freedom only. The GlueX experiment at Jefferson Lab in Hall-D, currently under construction, will search for such hybrid mesons with exotic quantum numbers by scattering a linearly polarized high energetic photon beam off a liquid hydrogen target. An amplitude analysis will be employed to search for such resonances in the data and determine their quantum numbers.
C1 Jefferson Lab, Newport News, VA 23606 USA.
RP Zihlmann, B (reprint author), Jefferson Lab, 12000 Jefferson Av, Newport News, VA 23606 USA.
NR 2
TC 1
Z9 1
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0899-9
J9 AIP CONF PROC
PY 2011
VL 1343
BP 560
EP 562
DI 10.1063/1.3575094
PG 3
WC Physics, Particles & Fields
SC Physics
GA BWT25
UT WOS:000294780400160
ER
PT S
AU Creutz, M
AF Creutz, Michael
BE LlanesEstrada, FJ
Pelaez, JR
TI Quark masses and strong CP violation
SO IX INTERNATIONAL CONFERENCE ON QUARK CONFINEMENT AND THE HADRON SPECTRUM
(QCHS IX)
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 9th International Conference on Quark Confinement and the Hadron
Spectrum
CY AUG 30-SEP 03, 2010
CL Univ Complutense Madrid, Madrid, SPAIN
SP CPAN, GOBIERNO DE ESPANA, HadronPhysics, HELMHOLTZ, Inst Mainz, Jefferson Lab, EPS, FlaviA net, Real Soc Espanola de Fisica
HO Univ Complutense Madrid
DE QCD; quark masses; strong CP violation
AB Two flavor QCD involves three independent mass parameters for which non-perturbative effects are not universal. This precludes matching lattice and perturbative results for non-degenerate quarks and eliminates a vanishing up quark mass as a viable solution to the strong CP problem.
C1 Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
RP Creutz, M (reprint author), Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
NR 6
TC 1
Z9 1
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0899-9
J9 AIP CONF PROC
PY 2011
VL 1343
BP 618
EP 618
DI 10.1063/1.3575115
PG 1
WC Physics, Particles & Fields
SC Physics
GA BWT25
UT WOS:000294780400181
ER
PT S
AU Polikarpov, MI
Larina, OV
Buividovich, PV
Chernodub, MN
Kalaydzhyan, TK
Kharzeev, DE
Luschevskaya, EV
AF Polikarpov, M. I.
Larina, O. V.
Buividovich, P. V.
Chernodub, M. N.
Kalaydzhyan, T. K.
Kharzeev, D. E.
Luschevskaya, E. V.
BE LlanesEstrada, FJ
Pelaez, JR
TI Conductivity of SU(2) gluodynamics vacuum induced by magnetic field
SO IX INTERNATIONAL CONFERENCE ON QUARK CONFINEMENT AND THE HADRON SPECTRUM
(QCHS IX)
SE AIP Conference Proceedings
LA English
DT Proceedings Paper
CT 9th International Conference on Quark Confinement and the Hadron
Spectrum
CY AUG 30-SEP 03, 2010
CL Univ Complutense Madrid, Madrid, SPAIN
SP CPAN, GOBIERNO DE ESPANA, HadronPhysics, HELMHOLTZ, Inst Mainz, Jefferson Lab, EPS, FlaviA net, Real Soc Espanola de Fisica
HO Univ Complutense Madrid
DE electric conductivity; magnetic field; lattice guage field
AB We study the electric conductivity of the vacuum of quenched SU(2) lattice gauge theory in the magnetic field, B, both in the confinement and in the deconfinement phases. In the confinement phase the external magnetic field induces nonzero electric conductivity along the direction of the field, transforming the system from an insulator into an anisotropic conductor. In the deconfinement phase the conductivity does not exhibit any sizable dependence on the magnetic field. We also find that the conductivity grows as the quark mass decreases, the behavior has a form B/root m.
C1 [Polikarpov, M. I.; Larina, O. V.; Buividovich, P. V.; Chernodub, M. N.; Luschevskaya, E. V.] ITEP, B Cheremushkinskaya 25, Moscow 117218, Russia.
[Buividovich, P. V.; Luschevskaya, E. V.] Dubna Joint Nucl Res Inst, Dubna 141980, Russia.
[Chernodub, M. N.] Univ Tours, Fed Denis Poisson, CNRS, LMPT, F-37200 Tours, France.
[Kalaydzhyan, T. K.] DESY, Theory Grp, D-22607 Hamburg, Germany.
[Kalaydzhyan, T. K.] ITEP, Moscow 117218, Russia.
[Kharzeev, D. E.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.
[Kharzeev, D. E.] Yale Univ, Dept Phys, New Haven, CT 06520 USA.
RP Polikarpov, MI (reprint author), ITEP, B Cheremushkinskaya 25, Moscow 117218, Russia.
RI Chernodub, Maxim/B-9426-2009
OI Chernodub, Maxim/0000-0003-2101-4914
FU NSH [NSh-6260.2010.2]; RFBR [08-02-00661-a]; Russian Ministry of Science
and Education
FX The authors are partially supported by grants for Leading Scientific
Schools NSh-6260.2010.2, RFBR 08-02-00661-a and Federal Special-Purpose
Programme Cadres of the Russian Ministry of Science and Education.
NR 13
TC 1
Z9 1
U1 0
U2 0
PU AMER INST PHYSICS
PI MELVILLE
PA 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
SN 0094-243X
BN 978-0-7354-0899-9
J9 AIP CONF PROC
PY 2011
VL 1343
BP 630
EP +
DI 10.1063/1.3575124
PG 2
WC Physics, Particles & Fields
SC Physics
GA BWT25
UT WOS:000294780400190
ER
PT J
AU Lee, MV
Lee, JRI
Willey, TM
AF Lee, Michael V.
Lee, Jonathan R. I.
Willey, Trevor M.
TI Mesitylene-Solvated Monolayers by Thermal Hydrosilylation
SO JAPANESE JOURNAL OF APPLIED PHYSICS
LA English
DT Article; Proceedings Paper
CT International Symposium on Organic and Inorganic Electronic Materials
and Related Nanotechnologies (EM-NANO 2010)
CY JUN 22-25, 2010
CL Toyama Int Conf Ctr, Toyama, JAPAN
HO Toyama Int Conf Ctr
ID HYDROGEN-TERMINATED SILICON; ABSORPTION FINE-STRUCTURE; MOLECULAR
ELECTRONICS; ORGANIC MONOLAYERS; ALKYL MONOLAYERS; SURFACES;
FUNCTIONALIZATION; 1-ALKENES; CHEMISTRY
AB In this paper we show near-edge X-ray absorption fine structure (NEXAFS) analysis of monolayers that are formed by thermal hydrosilylation from 1-alkene diluted in mesitylene. The monolayers are not purely aliphatic as originally proposed. Instead the bound molecules have an alkenyl structure that is promoted by the presence of mesitylene. The double bonds are more prevalent than in our previous report for monolayers formed without mesitylene. Simulated NEXAFS spectra suggest that the double bonds are present in the form of 2-alkenyl moieties. The presence of double bonds impairs the use of these monolayers as dielectrics and enables their use for conductive interfaces. (C) 2011 The Japan Society of Applied Physics
C1 [Lee, Michael V.] Natl Inst Mat Sci, World Premier Int Ctr Mat Nanoarchitecton, Int Ctr Young Scientists, Tsukuba, Ibaraki 3050044, Japan.
[Lee, Jonathan R. I.; Willey, Trevor M.] Lawrence Livermore Natl Lab, Condensed Matter & Mat Div, Livermore, CA 94550 USA.
RP Lee, MV (reprint author), Natl Inst Mat Sci, World Premier Int Ctr Mat Nanoarchitecton, Int Ctr Young Scientists, 1-1 Namiki, Tsukuba, Ibaraki 3050044, Japan.
EM LEE.Michael@nims.go.jp
RI Lee, Michael/A-8189-2012; Willey, Trevor/A-8778-2011;
OI Willey, Trevor/0000-0002-9667-8830; Lee, Michael/0000-0002-3953-3811
FU US DOE; Lawrence Livermore National Laboratory [DE-AC52-07NA27344]
FX MVL acknowledges support by the World Premier International Research
Center (WPI) Initiative on Materials Nanoarchitectonics, Ministry of
Education, Culture, Sports, Science and Technology, Japan. MVL also
acknowledges Roberto Scipioni for computer cluster support. JRIL and TMW
acknowledge funding by the Office of Basic Energy Sciences (OBES),
Materials Sciences, US DOE. This work was partially performed by the
Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344.
The Stanford Synchrotron Radiation Lightsource is a national user
facility operated by SLAC National Accelerator Laboratory on behalf of
the US DOE, OBES.
NR 24
TC 1
Z9 1
U1 1
U2 8
PU JAPAN SOC APPLIED PHYSICS
PI TOKYO
PA KUDAN-KITA BUILDING 5TH FLOOR, 1-12-3 KUDAN-KITA, CHIYODA-KU, TOKYO,
102-0073, JAPAN
SN 0021-4922
J9 JPN J APPL PHYS
JI Jpn. J. Appl. Phys.
PD JAN
PY 2011
VL 50
IS 1
SI SI
AR 01BD01
DI 10.1143/JJAP.50.01BD01
PN 3
PG 4
WC Physics, Applied
SC Physics
GA 723RG
UT WOS:000287523900022
ER
PT S
AU Kousouris, K
AF Kousouris, Konstantinos
GP IOP
TI Jet and Multijet Results from CMS
SO JET RECONSTRUCTION AND SPECTROSCOPY AT HADRON COLLIDERS
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT Conference on Jet Reconstruction and Spectroscopy at Hadron Colliders
CY APR 18-19, 2011
CL Pisa, ITALY
ID ROOT-S=7 TEV; COLLISIONS
AB QCD measurements with jets are presented, from proton-proton collisions at a centre-of-mass energy of 7 TeV at the CERN LHC. The data were collected with the CMS detector during the 2010 data-taking period, and correspond up to an integrated luminosity of 36 pb(-1). The measured inclusive-jet and dijet production cross sections are compared to perturbative QCD predictions at next-to-leading-order, and are found to be in good agreement. Observables sensitive to multijet production, such as the hadronic event shapes, the dijet azimuthal decorrelations, and the ratio of the 3-jet to 2-jet production cross section, are compared to the predictions of various QCD Monte-Carlo generators.
C1 Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
RP Kousouris, K (reprint author), Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA.
EM kkousour@fnal.gov
NR 17
TC 0
Z9 0
U1 0
U2 1
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 323
AR 012007
DI 10.1088/1742-6596/323/1/012007
PG 8
WC Physics, Applied; Spectroscopy
SC Physics; Spectroscopy
GA BYA77
UT WOS:000297787200008
ER
PT S
AU Salvachua, B
AF Salvachua, Belen
CA ATLAS Collaboration
GP IOP
TI Searches for new physics with jets in ATLAS
SO JET RECONSTRUCTION AND SPECTROSCOPY AT HADRON COLLIDERS
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT Conference on Jet Reconstruction and Spectroscopy at Hadron Colliders
CY APR 18-19, 2011
CL Pisa, ITALY
AB We present the latest results of searches for new physics beyond the Standard Model with jets in the final state using the ATLAS detector. These analyses are performed with the full LHC 2010 data from proton-proton collisions at a center-of-mass energy of 7 TeV. The results are based on an integrated luminosity of 33 to 37 pb(-1) depending on the analysis. No significant discrepancy is found with the expected Standard Model predictions. New limits on various models are set beyond the reach of previous experiments.
C1 [Salvachua, Belen; ATLAS Collaboration] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA.
RP Salvachua, B (reprint author), Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA.
EM belen.salvachua@cern.ch
NR 12
TC 0
Z9 0
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 323
AR 012008
DI 10.1088/1742-6596/323/1/012008
PG 8
WC Physics, Applied; Spectroscopy
SC Physics; Spectroscopy
GA BYA77
UT WOS:000297787200009
ER
PT S
AU Velev, G
AF Velev, Gueorgui
CA CDF Collaboration
GP IOP
TI Top Physics at CDF
SO JET RECONSTRUCTION AND SPECTROSCOPY AT HADRON COLLIDERS
SE Journal of Physics Conference Series
LA English
DT Proceedings Paper
CT Conference on Jet Reconstruction and Spectroscopy at Hadron Colliders
CY APR 18-19, 2011
CL Pisa, ITALY
ID QUARK PRODUCTION; (P)OVER-BAR-P COLLISIONS; COLLIDER DETECTOR; HADRON
COLLIDERS; MEASURING MASSES; ENERGY; FERMILAB
AB Top quark physics is one of the most important successes of the concluding Tevatron program. In this paper, a summary of the most recent measurements of top quark properties, including the mass and its 2011 average, will be presented. Some common techniques and discussion of major systematic uncertainties for top measurements will also be presented.
C1 [Velev, Gueorgui; CDF Collaboration] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA.
RP Velev, G (reprint author), Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA.
EM velev@fnal.gov
NR 41
TC 0
Z9 0
U1 0
U2 0
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1742-6588
J9 J PHYS CONF SER
PY 2011
VL 323
AR 012010
DI 10.1088/1742-6596/323/1/012010
PG 12
WC Physics, Applied; Spectroscopy
SC Physics; Spectroscopy
GA BYA77
UT WOS:000297787200011
ER
PT J
AU Felton, JA
Schilling, GD
Ray, SJ
Sperline, RP
Denton, MB
Barinaga, CJ
Koppenaal, DW
Hieftje, GM
AF Felton, Jeremy A.
Schilling, Gregory D.
Ray, Steven J.
Sperline, Roger P.
Denton, M. Bonner
Barinaga, Charles J.
Koppenaal, David W.
Hieftje, Gary M.
TI Evaluation of a fourth-generation focal plane camera for use in
plasma-source mass spectrometry
SO JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
LA English
DT Article; Proceedings Paper
CT JAAS Symposium
CY NOV 23, 2010
CL Tsinghua Univ, Beijing, PEOPLES R CHINA
HO Tsinghua Univ
ID INDUCTIVELY-COUPLED PLASMA; SPECTROGRAPH; ARRAY
AB A fourth-generation focal plane camera containing 1696 Faraday-strip detectors was fitted to a Mattauch-Herzog mass spectrograph and characterized for its performance with inductively coupled plasma ionization. The camera provides limits of detection in the single to tens of ng L(-1) range for most elements and has a linear dynamic range of at least nine orders of magnitude. Isotope-ratio precision better than 0.02% has also been achieved with this device, and this fourth-generation system features the broadest simultaneous mass range obtainable to date with this family of focal plane camera detectors.
C1 [Felton, Jeremy A.; Schilling, Gregory D.; Ray, Steven J.; Hieftje, Gary M.] Indiana Univ, Dept Chem, Bloomington, IN 47405 USA.
[Sperline, Roger P.; Denton, M. Bonner] Univ Arizona, Dept Chem, Tucson, AZ 85721 USA.
[Barinaga, Charles J.; Koppenaal, David W.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Hieftje, GM (reprint author), Indiana Univ, Dept Chem, Bloomington, IN 47405 USA.
EM hieftje@indiana.edu
OI Ray, Steven/0000-0001-5675-1258
NR 14
TC 15
Z9 16
U1 0
U2 13
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0267-9477
J9 J ANAL ATOM SPECTROM
JI J. Anal. At. Spectrom.
PY 2011
VL 26
IS 2
BP 300
EP 304
DI 10.1039/c0ja00087f
PG 5
WC Chemistry, Analytical; Spectroscopy
SC Chemistry; Spectroscopy
GA 711TG
UT WOS:000286613700005
ER
PT J
AU Richter, S
Kuhn, H
Aregbe, Y
Hedberg, M
Horta-Domenech, J
Mayer, K
Zuleger, E
Burger, S
Boulyga, S
Kopf, A
Poths, J
Mathew, K
AF Richter, S.
Kuhn, H.
Aregbe, Y.
Hedberg, M.
Horta-Domenech, J.
Mayer, K.
Zuleger, E.
Buerger, S.
Boulyga, S.
Koepf, A.
Poths, J.
Mathew, K.
TI Improvements in routine uranium isotope ratio measurements using the
modified total evaporation method for multi-collector thermal ionization
mass spectrometry
SO JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
LA English
DT Article
ID SAMPLES; FRACTIONATION; U-238/U-235; PLUTONIUM; STANDARDS; SERIES;
U-236; TIMS
AB A new version of the "modified total evaporation" (MTE) method for isotopic analysis of uranium samples by multi-collector thermal ionization mass spectrometry (TIMS), with high analytical performance and designed in a more user-friendly and routinely applicable way, is described in detail. It is mainly being used for nuclear safeguards measurements, but can readily be applied in other scientific areas like geochemistry. The development of the MTE method was organized in collaboration of several "key nuclear mass spectrometry laboratories", namely the New Brunswick Laboratory (NBL), the Safeguards Analytical Laboratory (SAL, now SGAS-Safeguards Analytical Services) of the International Atomic Energy Agency (IAEA), the Institute for Transuranium Elements (ITU/JRC), and the Institute for Reference Materials and Measurements (IRMM/JRC), with IRMM taking the leading role. Due to the use of the "total evaporation" (TE) principle the measurement of the "major" ratio n((235)U)/n((238)U) is routinely being performed with an accuracy of 0.02%. In contrast to the TE method, in the MTE method the total evaporation process is interrupted on a regular basis to allow for correction for background from peak tailing, internal calibration of a secondary electron multiplier (SEM) detector versus the Faraday cups, peak-centering, and ion source re-focusing. Therefore, the most significant improvement using the MTE method is in the measurement performance achieved for the "minor" ratios n((234)U)/n((238)U) and n((236)U)/n((238)U). The n((234)U)/n((238)U) ratio is measured using Faraday cups only with the result that the (relative) measurement uncertainty (k = 2) is better than 0.12%, which is an improvement by a factor of about 5-10 compared to TE measurements. Furthermore, the IAEA requirement for the "measurement performance", defined here as the sum of the (absolute) deviation of the measured from the true (certified) value plus the (absolute) measurement uncertainty (k = 2), for n((236)U)/n((238)U) ratio measurements is 1 x 10(-6), but the MTE method provides a measurement performance which is, depending on the ratio, by several orders of magnitude superior compared to this limit and to the TE method. For routine MTE measurements a detection limit of 3 x 10(-9) was achieved using an SEM detector for detecting the isotope (236)U. The MTE method is now routinely being used at all collaborating laboratories with the hope that more laboratories will implement this capability in the future as well. Additional applications for the MTE method are presented in this paper, e. g., for absolute Ca isotope measurements.
C1 [Richter, S.; Kuhn, H.; Aregbe, Y.] Commiss European Communities, Joint Res Ctr, Inst Reference Mat & Measurements, B-2440 Geel, Belgium.
[Hedberg, M.; Horta-Domenech, J.; Mayer, K.; Zuleger, E.] European Union, Joint Res Ctr, Inst Transuranium Elements ITU, D-76344 Eggenstein Leopoldshafen, Germany.
[Buerger, S.; Boulyga, S.; Koepf, A.; Poths, J.] IAEA, Safeguards Analyt Serv SGAS, A-1400 Vienna, Austria.
[Mathew, K.] US DOE, New Brunswick Lab NBL, Argonne, IL 60439 USA.
RP Richter, S (reprint author), Commiss European Communities, Joint Res Ctr, Inst Reference Mat & Measurements, Retieseweg 111, B-2440 Geel, Belgium.
EM stephan.richter@ec.europa.eu
NR 27
TC 38
Z9 39
U1 0
U2 23
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0267-9477
J9 J ANAL ATOM SPECTROM
JI J. Anal. At. Spectrom.
PY 2011
VL 26
IS 3
BP 550
EP 564
DI 10.1039/c0ja00173b
PG 15
WC Chemistry, Analytical; Spectroscopy
SC Chemistry; Spectroscopy
GA 725SB
UT WOS:000287665300010
ER
PT J
AU Zanella, L
Casadio, F
Gray, KA
Warta, R
Ma, Q
Gaillard, JF
AF Zanella, Luciana
Casadio, Francesca
Gray, Kimberly A.
Warta, Richard
Ma, Qing
Gaillard, Jean-Francois
TI The darkening of zinc yellow: XANES speciation of chromium in artist's
paints after light and chemical exposures
SO JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
LA English
DT Article
ID NEAR-EDGE STRUCTURE; RAY-ABSORPTION-SPECTRA; HEXAVALENT CHROMIUM;
OXIDATION-STATES; SULFUR CYCLE; SPECTROSCOPY; SIMULATION; IFEFFIT;
REDOX; EXAFS
AB The color darkening of selected brushstrokes of the masterpiece A Sunday on La Grande Jatte - 1884 (by Georges Seurat) has been attributed to the alteration of the chromate pigment zinc yellow. The pigment originally displays a bright greenish - yellow color but may undergo, after aging, darkening to a dull, ocher tone. We used XANES to probe the oxidation state of Cr on paint reconstructions, and show that color changes are associated with the reduction of Cr(VI) to Cr(III). Paint mixtures containing the pigment and linseed oil to mimic mixtures used in La Grande Jatte were subjected to artificial aging in the presence of light, SO(2), and variable air humidity-50 and 90% relative humidity. High relative humidity led to the largest degree of Cr(VI) reduction whereas low relative humidity promoted light-induced alterations. These results are corroborated by visible reflectance measurements on the same laboratory samples and contribute to a better understanding of the chemical reactivity of chromate pigments, which are present in many historical works of art.
C1 [Zanella, Luciana; Gray, Kimberly A.; Warta, Richard; Gaillard, Jean-Francois] Northwestern Univ, Dept Civil & Environm Engn, Evanston, IL 60208 USA.
[Casadio, Francesca] Art Inst Chicago, Chicago, IL 60603 USA.
[Ma, Qing] Argonne Natl Lab, Adv Photon Source, NW Synchrotron Res Ctr, DND CAT, Argonne, IL 60439 USA.
RP Gaillard, JF (reprint author), Northwestern Univ, Dept Civil & Environm Engn, 2145 Sheridan Rd, Evanston, IL 60208 USA.
EM jf-gaillard@northwestern.edu
RI Gaillard, Jean-Francois/B-6981-2009; Gray, Kimberly/B-6989-2009;
Gaillard, Jean-Francois/E-9445-2013
OI Gaillard, Jean-Francois/0000-0002-8276-6418
FU Andrew W. Mellon Foundation; Walter P. Murphy Fellowship; U.S.
Department of Energy, Office of Science, Office of Basic Energy Sciences
[DE-AC02-06CH11357]
FX The authors would like to thank Inge Fiedler at the Art Institute of
Chicago for valuable discussions about this work and Dr Steve Heald for
kindly offering the TEY accessory for data collection. This work was
supported by The Andrew W. Mellon Foundation. L.Z. was supported by The
Walter P. Murphy Fellowship. XANES experiments were performed at the
DuPont-North-western-Dow Collaborative Access Team (DND-CAT) located at
Sector 5 of the Advanced Photon Source (APS). DND-CAT is supported by E.
I. DuPont de Nemours & Co., The Dow Chemical Company and the State of
Illinois. Use of the APS was supported by the U.S. Department of Energy,
Office of Science, Office of Basic Energy Sciences, under Contract No.
DE-AC02-06CH11357.
NR 37
TC 20
Z9 20
U1 2
U2 30
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0267-9477
J9 J ANAL ATOM SPECTROM
JI J. Anal. At. Spectrom.
PY 2011
VL 26
IS 5
BP 1090
EP 1097
DI 10.1039/c0ja00151a
PG 8
WC Chemistry, Analytical; Spectroscopy
SC Chemistry; Spectroscopy
GA 752YR
UT WOS:000289731900026
ER
PT J
AU Russo, RE
Suen, TW
Bol'shakov, AA
Yoo, J
Sorkhabi, O
Mao, XL
Gonzalez, J
Oropeza, D
Zorba, V
AF Russo, Richard E.
Suen, Timothy W.
Bol'shakov, Alexander A.
Yoo, Jong
Sorkhabi, Osman
Mao, Xianglei
Gonzalez, Jhanis
Oropeza, Dayana
Zorba, Vassilia
TI Laser plasma spectrochemistry
SO JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
LA English
DT Article
ID INDUCED BREAKDOWN SPECTROSCOPY; FIELD OPTICAL MICROSCOPY; DEPOSITED
THIN-FILMS; ICP-MS MEASUREMENTS; ISOTOPE ENRICHMENT; MASS SPECTROMETRY;
CHEMICAL-ANALYSIS; ABLATION; DISCRIMINATION; FUNDAMENTALS
AB An overview of laser plasma spectrochemistry is presented to demonstrate its wide range of capabilities. Laser plasmas offer the ability to perform elemental, isotopic, molecular, quantitative and qualitative sample analysis with sub-micron spatial resolution, and each feature can be measured at standoff distances. Obviously, these attributes are not all achievable at the same time, but they can be optimized for specific applications. This manuscript gives a sampling (pun intended) of the research in our group that has demonstrated each of these capabilities. Although the technology is commonly referred to as LIBS (laser-induced breakdown spectroscopy), the authors prefer to use laser plasma spectrometry to represent the underlying science.
C1 [Russo, Richard E.; Suen, Timothy W.; Sorkhabi, Osman; Mao, Xianglei; Gonzalez, Jhanis; Oropeza, Dayana; Zorba, Vassilia] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Bol'shakov, Alexander A.; Yoo, Jong; Gonzalez, Jhanis] Appl Spectra Inc, Fremont, CA 94538 USA.
RP Russo, RE (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
EM rerusso@lbl.gov
RI Bol'shakov, Alexander/A-9258-2015; Zorba, Vassilia/C-4589-2015
OI Bol'shakov, Alexander/0000-0002-6034-7079;
FU U. S. Department of Energy [DE-AC02-05CH11231]; Defense Threat Reduction
Administration (DTRA) of the U. S. Department of Defense [LB09005541,
LB09005541A]; U.S. Department of Energy through National Nuclear
Security Administration (NNSA) [DE-AC02-05CH11231]; NASA [NNX10CA07C]
FX This work was supported by the Director, Office of Science, Office of
Basic Energy Sciences, Chemical Sciences, Geosciences, and Biosciences
Division, and the Deputy Administrator for Defense Nuclear
Nonproliferation, Assistant Deputy Administrator for Nonproliferation
Research and Development of the U. S. Department of Energy under
Contract No. DE-AC02-05CH11231. We also acknowledge support from the
Defense Threat Reduction Administration (DTRA) of the U. S. Department
of Defense under federal Awards No. LB09005541 and LB09005541A; and
Contract No. DE-AC02-05CH11231 awarded by the U.S. Department of Energy
through the National Nuclear Security Administration (NNSA); and NASA
Contract No. NNX10CA07C awarded to Applied Spectra Inc.
NR 46
TC 35
Z9 36
U1 0
U2 28
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0267-9477
J9 J ANAL ATOM SPECTROM
JI J. Anal. At. Spectrom.
PY 2011
VL 26
IS 8
BP 1596
EP 1603
DI 10.1039/c1ja10107b
PG 8
WC Chemistry, Analytical; Spectroscopy
SC Chemistry; Spectroscopy
GA 795KN
UT WOS:000292973200003
ER
PT J
AU Zajic, D
Fernando, HJS
Calhoun, R
Princevac, M
Brown, MJ
Pardyjak, ER
AF Zajic, D.
Fernando, H. J. S.
Calhoun, R.
Princevac, M.
Brown, M. J.
Pardyjak, E. R.
TI Flow and Turbulence in an Urban Canyon
SO JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY
LA English
DT Article
ID LARGE-EDDY SIMULATION; AVENUE STREET CANYON; WIND-TUNNEL; POLLUTANT
DISPERSION; CANOPY LAYER; PART II; MODEL; STATISTICS; BUILDINGS; FIELD
AB A better understanding of the interaction between the built environment and the atmosphere is required to more effectively manage urban airsheds. This paper reports an analysis of data from an atmospheric measurement campaign in Oklahoma City, Oklahoma, during the summer of 2003 that shows wind flow patterns, turbulence, and thermal effects in the downtown area. Experimental measurements within a street canyon yielded airflow patterns, stability conditions, and turbulence properties as a function of the incoming wind direction and time of the day. Air and surface temperatures at two different sites, one within the downtown urban canyon and the other in a nearby park, were measured. A study of the stability conditions within the urban canyon during the campaign indicates that dynamically stable conditions did not occur within the canyon. This provides evidence that the built environment can strongly influence the thermal characteristics in cities. Mean flow patterns close to the street level are analyzed for two different ranges of incoming wind directions and are compared with those obtained from a previous field experiment featuring idealized building configurations. This paper presents an approach allowing the estimation of wind direction in an urban canyon, given inflow conditions, that shows good agreement with wind patterns in the Oklahoma City street canyon. Turbulence statistics were calculated and normalized using different velocity scales to investigate the efficacy of the latter in specifying turbulence levels in urban canopies. The dependence of turbulence quantities on incoming wind direction and time of the day was investigated.
C1 [Zajic, D.; Fernando, H. J. S.; Calhoun, R.; Princevac, M.] Arizona State Univ, Dept Mech & Aerosp Engn, Ctr Environm Fluid Dynam, Tempe, AZ 85287 USA.
[Zajic, D.; Brown, M. J.] Los Alamos Natl Lab, Syst Engn & Integrat Grp, Los Alamos, NM USA.
[Fernando, H. J. S.] Univ Notre Dame, Environm Fluid Dynam Labs, Notre Dame, IN 46556 USA.
[Princevac, M.] Univ Calif Riverside, Dept Mech Engn, Riverside, CA 92521 USA.
[Pardyjak, E. R.] Univ Utah, Dept Mech Engn, Salt Lake City, UT 84112 USA.
RP Zajic, D (reprint author), Arizona State Univ, Dept Mech & Aerosp Engn, Ctr Environm Fluid Dynam, Tempe, AZ 85287 USA.
EM dzajic@lanl.gov
OI Brown, Michael J./0000-0002-8069-0835
FU NSF (ATM, CMG); Army Research Office
FX We thank NSF (ATM, CMG) and Army Research Office for supporting the
analysis.
NR 63
TC 5
Z9 5
U1 0
U2 26
PU AMER METEOROLOGICAL SOC
PI BOSTON
PA 45 BEACON ST, BOSTON, MA 02108-3693 USA
SN 1558-8424
J9 J APPL METEOROL CLIM
JI J. Appl. Meteorol. Climatol.
PD JAN
PY 2011
VL 50
IS 1
BP 203
EP 223
DI 10.1175/2010JAMC2525.1
PG 21
WC Meteorology & Atmospheric Sciences
SC Meteorology & Atmospheric Sciences
GA 719QD
UT WOS:000287222400013
ER
PT J
AU Arman, B
An, Q
Luo, SN
Desai, TG
Tonks, DL
Cagin, T
Goddard, WA
AF Arman, B.
An, Q.
Luo, S. N.
Desai, T. G.
Tonks, D. L.
Cagin, T.
Goddard, W. A., III
TI Dynamic response of phenolic resin and its carbon-nanotube composites to
shock wave loading
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
ID MOLECULAR-DYNAMICS; FORCE-FIELD; SIMULATIONS; ORIENTATION; GLASSES
AB We investigate with nonreactive molecular dynamics simulations the dynamic response of phenolic resin and its carbon-nanotube (CNT) composites to shock wave compression. For phenolic resin, our simulations yield shock states in agreement with experiments on similar polymers except the "phase change" observed in experiments, indicating that such phase change is chemical in nature. The elastic-plastic transition is characterized by shear stress relaxation and atomic-level slip, and phenolic resin shows strong strain hardening. Shock loading of the CNT-resin composites is applied parallel or perpendicular to the CNT axis, and the composites demonstrate anisotropy in wave propagation, yield and CNT deformation. The CNTs induce stress concentrations in the composites and may increase the yield strength. Our simulations suggest that the bulk shock response of the composites depends on the volume fraction, length ratio, impact cross-section, and geometry of the CNT components; the short CNTs in current simulations have insignificant effect on the bulk response of resin polymer. (C) 2011 American Institute of Physics. [doi:10.1063/1.3524559]
C1 [Arman, B.; An, Q.; Luo, S. N.; Tonks, D. L.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
[Arman, B.; Cagin, T.] Texas A&M Univ, Dept Chem Engn, College Stn, TX 77845 USA.
[An, Q.; Goddard, W. A., III] CALTECH, Mat & Proc Simulat Ctr, Pasadena, CA 91125 USA.
[Desai, T. G.] Adv Cooling Technol Inc, Lancaster, PA 17601 USA.
RP Arman, B (reprint author), Los Alamos Natl Lab, POB 1663, Los Alamos, NM 87545 USA.
EM sluo@lanl.gov
RI An, Qi/G-4517-2011; Luo, Sheng-Nian /D-2257-2010; An, Qi/I-6985-2012
OI Luo, Sheng-Nian /0000-0002-7538-0541;
FU LANL; U.S. Department of Energy [DE-AC52-06NA25396]; NASA Small Business
Innovation Research (SBIR) [NNX10CC69P]
FX We have benefited from J. W. Lawson, C. Wei (NASA Ames Research Center),
J. Li (UPenn), and C. Brandl (LANL) in various ways. This work was
partly supported by the Advanced Simulation and Computation (ASC)
Program at LANL. LANL is operated by Los Alamos National Security, LLC
for the U.S. Department of Energy under Contract No. DE-AC52-06NA25396.
T.G.D. was supported by the NASA Small Business Innovation Research
(SBIR) Grant under Contract No. NNX10CC69P.
NR 30
TC 15
Z9 16
U1 5
U2 39
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 JAN 1
PY 2011
VL 109
IS 1
AR 013503
DI 10.1063/1.3524559
PG 7
WC Physics, Applied
SC Physics
GA 706LG
UT WOS:000286219300028
ER
PT J
AU Mitri, FG
AF Mitri, F. G.
TI Linear axial scattering of an acoustical high-order Bessel trigonometric
beam by compressible soft fluid spheres
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
ID GAUSS BEAMS; ELASTIC SPHERE; REFLECTION; ULTRASOUND; EXAMPLE; BUBBLE;
SHELL; FORCE
AB The acoustic scattering properties of nondiffracting high-order Bessel trigonometric beams (HOBTBs) by fluid spheres are investigated. The three-dimensional directivity acoustic scattering patterns of hexane, red blood, and mercury soft spheres immersed in water and centered on the beam axis of wave propagation are presented and discussed. HOBTBs belong to the family of nondiffracting beams and are proper solutions of the homogeneous (source-free) Helmholtz equation. Closed-form analytical solutions for the incident and scattered pressure fields are provided. The far-field acoustic scattering field is expressed as a partial wave series involving the scattering angle relative to the beam axis, the order, and the half-conical angle of the wave number components of the HOBTB. The properties of the acoustic scattering by fluid spheres are discussed and numerical computations with animated graphics show exciting scattering phenomena that are especially useful in applications related to particle entrapment and manipulation of soft matter using acoustic HOBTBs. Other potential applications may include medical or nondestructive ultrasound imaging with contrast agents, or monitoring of the manufacturing processes of sample soft matter systems with HOBTBs. (C) 2011 American Institute of Physics. (doi:10.1063/1.3518496)
C1 Los Alamos Natl Lab, Acoust & Sensors Technol Team, Los Alamos, NM 87545 USA.
RP Mitri, FG (reprint author), Los Alamos Natl Lab, Acoust & Sensors Technol Team, MPA 11,MS D429, Los Alamos, NM 87545 USA.
EM mitri@lanl.gov
FU Los Alamos National Laboratory [LDRD-X9N9]
FX The author acknowledges the financial support provided through a
Director's fellowship (LDRD-X9N9) from Los Alamos National Laboratory.
Disclosure: this unclassified publication, with the following Reference
No. LA-UR 10-07253, has been approved for unlimited public release under
DUSA ENSCI.
NR 31
TC 17
Z9 17
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 0021-8979
J9 J APPL PHYS
JI J. Appl. Phys.
PD JAN 1
PY 2011
VL 109
IS 1
AR 014916
DI 10.1063/1.3518496
PG 5
WC Physics, Applied
SC Physics
GA 706LG
UT WOS:000286219300160
ER
PT J
AU Raeymaekers, B
Pantea, C
Sinha, DN
AF Raeymaekers, Bart
Pantea, Cristian
Sinha, Dipen N.
TI Manipulation of diamond nanoparticles using bulk acoustic waves
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
ID RADIATION FORCE; SEPARATION; SPHERE; PARTICLES; FIELDS; FRACTIONATION;
RESONATORS; ALIGNMENT; PRESSURE; DEVICES
AB We investigate the manipulation of 5 nm diamond nanoparticles in a user-defined pattern on a substrate using the acoustic radiation force associated with a bulk acoustic standing wave. Both concentric and rectangular patterns are studied and the experimental results are compared with theoretical predictions. The effect of drag force acting on a nanoparticle is evaluated and limits for particle speed and particle size that can be moved by acoustic radiation force are determined. We found good agreement between our experimental results and existing theoretical models and demonstrate that nanosized particles can be manipulated effectively by means of bulk wave acoustic radiation force. (C) 2011 American Institute of Physics. [doi:10.1063/1.3530670]
C1 [Raeymaekers, Bart; Pantea, Cristian; Sinha, Dipen N.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Raeymaekers, B (reprint author), Los Alamos Natl Lab, POB 1663,MS D429 Los Alamos, Los Alamos, NM 87545 USA.
EM braeymae@alum.mit.edu
RI Pantea, Cristian/D-4108-2009;
OI Pantea, Cristian/0000-0002-0805-8923; Sinha, Dipen/0000-0002-3606-7907
NR 42
TC 29
Z9 29
U1 2
U2 19
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 JAN 1
PY 2011
VL 109
IS 1
AR 014317
DI 10.1063/1.3530670
PG 8
WC Physics, Applied
SC Physics
GA 706LG
UT WOS:000286219300123
ER
PT J
AU Simon, J
Tomasulo, S
Simmonds, PJ
Romero, M
Lee, ML
AF Simon, J.
Tomasulo, S.
Simmonds, P. J.
Romero, M.
Lee, M. L.
TI Metamorphic GaAsP buffers for growth of wide-bandgap InGaP solar cells
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
ID MOLECULAR-BEAM EPITAXY; VAPOR-PHASE EPITAXY; III-V; LAYERS; MORPHOLOGY;
EFFICIENCY; ANTIMONY; STRESS; OXYGEN; MBE
AB GaAsxP1-x graded buffers were grown via solid source molecular beam epitaxy (MBE) to enable the fabrication of wide-bandgap InyGa1-yP solar cells. Tensile-strained GaAsxP1-x buffers grown on GaAs using unoptimized conditions exhibited asymmetric strain relaxation along with formation of faceted trenches, 100-300 nm deep, running parallel to the [0 (1) over bar1] direction. We engineered a 6 mu m thick grading structure to minimize the faceted trench density and achieve symmetric strain relaxation while maintaining a threading dislocation density of <= 10(6) cm(-2). In comparison, compressively-strained graded GaAsxP1-x buffers on GaP showed nearly-complete strain relaxation of the top layers and no evidence of trenches but possessed threading dislocation densities that were one order of magnitude higher. We subsequently grew and fabricated wide-bandgap InyGa1-yP solar cells on our GaAsxP1-x buffers. Transmission electron microscopy measurements gave no indication of CuPt ordering. We obtained open circuit voltage as high as 1.42 V for In0.39Ga0.61P with a bandgap of 2.0 eV. Our results indicate MBE-grown InyGa1-yP is a promising material for the top junction of a future multijunction solar cell. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3525599]
C1 [Simon, J.; Tomasulo, S.; Simmonds, P. J.; Lee, M. L.] Yale Univ, Dept Elect Engn, New Haven, CT 06520 USA.
[Romero, M.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Simon, J (reprint author), Yale Univ, Dept Elect Engn, New Haven, CT 06520 USA.
EM john.simonnavas@yale.edu
RI Simmonds, Paul/A-9886-2010; Lee, Minjoo/A-9720-2008; Simmonds,
Paul/M-8377-2013
OI Simmonds, Paul/0000-0001-5524-0835; Lee, Minjoo/0000-0002-3151-3808;
Simmonds, Paul/0000-0001-5524-0835
FU Reid and Anne Buckley Foundation for Energy and the Environment; NSF
[DMR-0955916]
FX We gratefully acknowledge Jung Han for access to characterization
equipment, as well as funding from the Reid and Anne Buckley Foundation
for Energy and the Environment and the NSF CAREER Program (Grant No.
DMR-0955916).
NR 43
TC 14
Z9 15
U1 0
U2 14
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0021-8979
EI 1089-7550
J9 J APPL PHYS
JI J. Appl. Phys.
PD JAN 1
PY 2011
VL 109
IS 1
AR 013708
DI 10.1063/1.3525599
PG 6
WC Physics, Applied
SC Physics
GA 706LG
UT WOS:000286219300065
ER
PT J
AU Whitley, VH
McGrane, SD
Eakins, DE
Bolme, CA
Moore, DS
Bingert, JF
AF Whitley, V. H.
McGrane, S. D.
Eakins, D. E.
Bolme, C. A.
Moore, D. S.
Bingert, J. F.
TI The elastic-plastic response of aluminum films to ultrafast
laser-generated shocks
SO JOURNAL OF APPLIED PHYSICS
LA English
DT Article
ID PRECURSOR DECAY; COMPRESSION; DYNAMICS; WAVES
AB We present the free surface response of 2, 5, and 8 mu m aluminum films to shocks generated from chirped ultrafast lasers. We find two distinct steps to the measured free surface velocity that indicate a separation of the faster elastic wave from the slower plastic wave. We resolve the separation of the two waves to times as short as 20 ps. We measured peak elastic free surface velocities as high as 1.4 km/s corresponding to elastic stresses of 12 GPa. The elastic waves rapidly decay with increasing sample thickness. The magnitude of both the elastic wave and the plastic wave and the temporal separation between them was strongly dependent on the incident laser drive energy. c 2011 American Institute of Physics. [doi:10.1063/1.3506696]
C1 [Whitley, V. H.; McGrane, S. D.; Eakins, D. E.; Bolme, C. A.; Moore, D. S.] Los Alamos Natl Lab, Shock & Detonat Phys WX9, Los Alamos, NM 87545 USA.
[Bingert, J. F.] Los Alamos Natl Lab, Struct Property Relat MST8, Los Alamos, NM 87545 USA.
RP Whitley, VH (reprint author), Los Alamos Natl Lab, Shock & Detonat Phys WX9, POB 1663, Los Alamos, NM 87545 USA.
EM vwhitley@lanl.gov
RI Moore, David/C-8692-2013;
OI Mcgrane, Shawn/0000-0002-2978-3980; Bolme, Cynthia/0000-0002-1880-271X;
Eakins, Daniel/0000-0002-3535-5624
FU U.S. Department of Energy through the LANL/LDRD
FX We gratefully acknowledge the support of the U.S. Department of Energy
through the LANL/LDRD Program for this work. The authors would like to
thank Ron Rabie, Paulo Rigg, and Brian Jensen for valuable discussions
and suggestions.
NR 20
TC 57
Z9 58
U1 0
U2 23
PU AMER INST PHYSICS
PI MELVILLE
PA 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
SN 0021-8979
EI 1089-7550
J9 J APPL PHYS
JI J. Appl. Phys.
PD JAN 1
PY 2011
VL 109
IS 1
AR 013505
DI 10.1063/1.3506696
PG 4
WC Physics, Applied
SC Physics
GA 706LG
UT WOS:000286219300030
ER
PT J
AU Hajimorad, M
Gray, PR
Keasling, JD
AF Hajimorad, Meghdad
Gray, Paul R.
Keasling, Jay D.
TI A framework and model system to investigate linear system behavior in
Escherichia coli
SO JOURNAL OF BIOLOGICAL ENGINEERING
LA English
DT Article
AB Background: The ability to compose biological systems from smaller elements that act independently of the other upon assembly may help make the forward engineering of biological systems practical. Engineering biology in this manner is made difficult by the inherent nonlinear response of organisms to genetic devices. Devices are inevitably coupled to one another in the cell because they share the same transcriptional machinery for expression. Thus, new properties can emerge when devices that had been characterized in isolation are expressed concurrently. We show in this report that, similar to physical systems, the Escherichia coli (E. coli) transcriptional system can exhibit linear behavior under "small" perturbation conditions. This, in turn, allows devices to be treated as independent modules.
Results: We developed a framework and model system consisting of three devices to investigate linear system behavior in E. coli. Our framework employed the transfer curve concept to determine the amount of nonlinearity elicited by the E. coli transcriptional system in response to the devices. To this effect, the model system was quantitatively characterized using real-time quantitative PCR to produce device transfer curves (DTCs). Two of the devices encoded the bacterial neomycin phosphotransferase II (nptII) and chloramphenicol acetyl transferase (cat), while the third encoded the jellyfish-originating green fluorescent protein (gfp). The gfp device was the most nonlinear in our system, with nptII and cat devices eliciting linear responses. Superposition experiments verified these findings, with independence among the three devices having been lost when gfp was present at copy numbers above the lowest one used.
Conclusions: We show that linear system behavior is possible in E. coli. Elucidation of the mechanism underlying the nonlinearity observed in gfp may lead to design rules that ensure linear system behavior, enabling the accurate prediction of the quantitative behavior of a system assembled from individually characterized devices. Our work suggests that biological systems follow principles similar to physical ones, and that concepts borrowed from the latter (such as DTCs) may be of use in the characterization and design of biological systems.
C1 [Hajimorad, Meghdad; Gray, Paul R.] Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA.
[Hajimorad, Meghdad; Keasling, Jay D.] Univ Calif Berkeley, Synthet Biol Engn Res Ctr, Berkeley, CA 94720 USA.
[Hajimorad, Meghdad; Keasling, Jay D.] Univ Calif Berkeley, Calif Inst Quantitat Biol Res QB3, Berkeley, CA 94720 USA.
[Hajimorad, Meghdad; Keasling, Jay D.] Univ Calif Berkeley, Lawrence Berkeley Natl 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 & Biomol Engn, Berkeley, CA 94720 USA.
[Keasling, Jay D.] Joint BioEnergy Inst, Emeryville, CA 94608 USA.
RP Keasling, JD (reprint author), Univ Calif Berkeley, Synthet Biol Engn Res Ctr, Berkeley, CA 94720 USA.
EM keasling@berkeley.edu
RI Keasling, Jay/J-9162-2012
OI Keasling, Jay/0000-0003-4170-6088
FU National Science Foundation; Synthetic Biology Engineering Research
Center (SynBERC) through National Science Foundation; Joint BioEnergy
Institute (JBEI) [DE-AC02-05CH11231]; Lawrence Berkeley National
Laboratory; U. S. Department of Energy, Office of Science, Office of
Biological and Environmental Research
FX The authors thank Murali Raghavendra Rao for helpful discussions
concerning SAS and regression analysis. This research was supported by a
National Science Foundation Graduate Research Fellowship (to MH); the
Synthetic Biology Engineering Research Center (SynBERC), through a grant
from the National Science Foundation; and the Joint BioEnergy Institute
(JBEI), through contract DE-AC02-05CH11231 between Lawrence Berkeley
National Laboratory and the U. S. Department of Energy, Office of
Science, Office of Biological and Environmental Research.
NR 48
TC 10
Z9 10
U1 0
U2 2
PU BIOMED CENTRAL LTD
PI LONDON
PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND
SN 1754-1611
J9 J BIOL ENG
JI J. Biol. Eng.
PY 2011
VL 5
IS 1
AR 3
DI 10.1186/1754-1611-5-3
PG 15
WC Biochemical Research Methods; Biotechnology & Applied Microbiology
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology
GA V31TC
UT WOS:000208904900003
PM 21510907
ER
PT J
AU Lee, TS
Krupa, RA
Zhang, FZ
Hajimorad, M
Holtz, WJ
Prasad, N
Lee, SK
Keasling, JD
AF Lee, Taek Soon
Krupa, Rachel A.
Zhang, Fuzhong
Hajimorad, Meghdad
Holtz, William J.
Prasad, Nilu
Lee, Sung Kuk
Keasling, Jay D.
TI BglBrick vectors and datasheets: A synthetic biology platform for gene
expression
SO JOURNAL OF BIOLOGICAL ENGINEERING
LA English
DT Article
AB Background: As engineered biological systems become more complex, it is increasingly common to express multiple operons from different plasmids and inducible expression systems within a single host cell. Optimizing such systems often requires screening combinations of origins of replication, expression systems, and antibiotic markers. This procedure is hampered by a lack of quantitative data on how these components behave when more than one origin of replication or expression system are used simultaneously. Additionally, this process can be time consuming as it often requires the creation of new vectors or cloning into existing but disparate vectors.
Results: Here, we report the development and characterization of a library of expression vectors compatible with the BglBrick standard (BBF RFC 21). We have designed and constructed 96 BglBrick-compatible plasmids with a combination of replication origins, antibiotic resistance genes, and inducible promoters. These plasmids were characterized over a range of inducer concentrations, in the presence of non-cognate inducer molecules, and with several growth media, and their characteristics were documented in a standard format datasheet. A three plasmid system was used to investigate the impact of multiple origins of replication on plasmid copy number.
Conclusions: The standardized collection of vectors presented here allows the user to rapidly construct and test the expression of genes with various combinations of promoter strength, inducible expression system, copy number, and antibiotic resistance. The quantitative datasheets created for these vectors will increase the predictability of gene expression, especially when multiple plasmids and inducers are utilized.
C1 [Lee, Taek Soon; Krupa, Rachel A.; Zhang, Fuzhong; Hajimorad, Meghdad; Prasad, Nilu; Lee, Sung Kuk; Keasling, Jay D.] Joint BioEnergy Inst, Emeryville, CA 94608 USA.
[Lee, Taek Soon; Krupa, Rachel A.; Prasad, Nilu; Lee, Sung Kuk; Keasling, Jay D.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Zhang, Fuzhong; Keasling, Jay D.] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA.
[Zhang, Fuzhong; Keasling, Jay D.] Univ Calif Berkeley, Dept Bioengn, Berkeley, CA 94720 USA.
[Hajimorad, Meghdad; Holtz, William J.] Univ Calif Berkeley, Dept Elect Engn, Berkeley, CA 94720 USA.
[Holtz, William J.; Keasling, Jay D.] Univ Calif Berkeley, Synthet Biol Engn Res Ctr, Berkeley, CA 94720 USA.
RP Keasling, JD (reprint author), Joint BioEnergy Inst, 5885 Hollis St, Emeryville, CA 94608 USA.
EM jdkeasling@lbl.gov
RI Keasling, Jay/J-9162-2012; Lee, Sung/E-6525-2010
OI Keasling, Jay/0000-0003-4170-6088;
FU DOE Joint BioEnergy Institute; 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; Synthetic Biology Engineering Research Center;
National Science Foundation [0540879]; NSERC Canada
FX We thank Nathan Hillson, Harry Beller (JBEI), and Seth Karten (LBNL) for
helpful comments on the manuscript and Timothy Ham (JBEI) for JBEI
registry works. This work was funded in part by 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 and in part by
the Synthetic Biology Engineering Research Center, which is funded by
National Science Foundation through Award No. 0540879. FZ is funded by
NSERC Canada.
NR 49
TC 105
Z9 105
U1 3
U2 26
PU BIOMED CENTRAL LTD
PI LONDON
PA 236 GRAYS INN RD, FLOOR 6, LONDON WC1X 8HL, ENGLAND
SN 1754-1611
J9 J BIOL ENG
JI J. Biol. Eng.
PY 2011
VL 5
IS 1
AR 12
DI 10.1186/1754-1611-5-12
PG 14
WC Biochemical Research Methods; Biotechnology & Applied Microbiology
SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology
GA V31TC
UT WOS:000208904900012
PM 21933410
ER
PT J
AU Wetter, M
AF Wetter, Michael
TI Co-simulation of building energy and control systems with the Building
Controls Virtual Test Bed
SO JOURNAL OF BUILDING PERFORMANCE SIMULATION
LA English
DT Article
DE building simulation; co-simulation; integrated analysis; modular
modelling
ID PERFORMANCE SIMULATION; HVAC SYSTEMS; EMULATOR; SUPPORT
AB This article describes the implementation of the Building Controls Virtual Test Bed (BCVTB). The BCVTB is a software environment that allows connecting different simulation programs to exchange data during the time integration, and that allows conducting hardware in the loop simulation. The software architecture is a modular design based on Ptolemy II, a software environment for design and analysis of heterogeneous systems. Ptolemy II provides a graphical model building environment, synchronizes the exchanged data and visualizes the system evolution during run-time. The BCVTB provides additions to Ptolemy II that allow the run-time coupling of different simulation programs for data exchange, including EnergyPlus, MATLAB, Simulink and the Modelica modelling and simulation environment Dymola. The additions also allow executing system commands, such as a script that executes a Radiance simulation. In this article, the software architecture is presented and the mathematical model used to implement the co-simulation is discussed. The simulation program interface that the BCVTB provides is explained. The article concludes by presenting applications in which different state of the art simulation programs are linked for run-time data exchange. This link allows the use of the simulation program that is best suited for the particular problem to model building heat transfer, HVAC system dynamics and control algorithms, and to compute a solution to the coupled problem using co-simulation.
C1 Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Bldg Technol Dept, Berkeley, CA 94720 USA.
RP Wetter, M (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Bldg Technol Dept, Berkeley, CA 94720 USA.
EM mwetter@lbl.gov
FU Office of Building Technologies of the US Department of Energy
[DE-AC02-05CH11231]
FX This research was supported by the Assistant Secretary for Energy
Efficiency and Renewable Energy, Office of Building Technologies of the
US Department of Energy, under Contract No. DE-AC02-05CH11231. We thank
Philip Haves from the Lawrence Berkeley National Laboratory for his
feedback and guidance during the development of this software. Special
thanks go to Prof. Edward A. Lee and Christopher Brooks from the
University of California at Berkeley for their support in integrating
the BCVTB functionality into the Ptolemy II software. We thank Gregor
Henze, Charles Corbin, Anthony Florita and Peter May-Ostendorp from the
University of Colorado at Boulder for their contributions to the MATLAB
interface and the EnergyPlus 3.0 upgrade. We thank Rui Zhang from
Carnegie Mellon for her contributions to the Windows configuration and
the EnergyPlus 3.1 upgrade.
NR 38
TC 66
Z9 69
U1 4
U2 20
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 1940-1493
J9 J BUILD PERFORM SIMU
JI J. Build. Perf. Simul.
PY 2011
VL 4
IS 3
BP 185
EP 203
DI 10.1080/19401493.2010.518631
PG 19
WC Construction & Building Technology
SC Construction & Building Technology
GA 879PL
UT WOS:000299343700001
ER
PT J
AU Rodier, F
Munoz, DP
Teachenor, R
Chu, V
Le, O
Bhaumik, D
Coppe, JP
Campeau, E
Beausejour, CM
Kim, SH
Davalos, AR
Campisi, J
AF Rodier, Francis
Munoz, Denise P.
Teachenor, Robert
Chu, Victoria
Le, Oanh
Bhaumik, Dipa
Coppe, Jean-Philippe
Campeau, Eric
Beausejour, Christian M.
Kim, Sahn-Ho
Davalos, Albert R.
Campisi, Judith
TI DNA-SCARS: distinct nuclear structures that sustain damage-induced
senescence growth arrest and inflammatory cytokine secretion
SO JOURNAL OF CELL SCIENCE
LA English
DT Article
DE Aging; Cancer; Cellular senescence; DNA repair; Homologous
recombination; Interleukin 6 (IL6); Promyelocytic leukemia protein (PML)
ID ONCOGENE-INDUCED SENESCENCE; DOUBLE-STRAND BREAKS; CELLULAR SENESCENCE;
IN-VIVO; HUMAN FIBROBLASTS; HUMAN-CELLS; PREMATURE SENESCENCE; TRIGGERS
SENESCENCE; HUMAN TELOMERES; AGING PRIMATES
AB DNA damage can induce a tumor suppressive response termed cellular senescence. Damaged senescent cells permanently arrest growth, secrete inflammatory cytokines and other proteins and harbor persistent nuclear foci that contain DNA damage response (DDR) proteins. To understand how persistent damage foci differ from transient foci that mark repairable DNA lesions, we identify sequential events that differentiate transient foci from persistent foci, which we term 'DNA segments with chromatin alterations reinforcing senescence' (DNA-SCARS). Unlike transient foci, DNA-SCARS associate with PML nuclear bodies, lack the DNA repair proteins RPA and RAD51, lack single-stranded DNA and DNA synthesis and accumulate activated forms of the DDR mediators CHK2 and p53. DNA-SCARS form independently of p53, pRB and several other checkpoint and repair proteins but require p53 and pRb to trigger the senescence growth arrest. Importantly, depletion of the DNA-SCARS-stabilizing component histone H2AX did not deplete 53BP1 from DNA-SCARS but diminished the presence of MDC1 and activated CHK2. Furthermore, depletion of H2AX reduced both the p53-dependent senescence growth arrest and p53-independent cytokine secretion. DNA-SCARS were also observed following severe damage to multiple human cell types and mouse tissues, suggesting that they can be used in combination with other markers to identify senescent cells. Thus, DNA-SCARS are dynamically formed distinct structures that functionally regulate multiple aspects of the senescent phenotype.
C1 [Rodier, Francis; Munoz, Denise P.; Teachenor, Robert; Chu, Victoria; Coppe, Jean-Philippe; Kim, Sahn-Ho; Davalos, Albert R.; Campisi, Judith] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Rodier, Francis; Munoz, Denise P.; Bhaumik, Dipa; Coppe, Jean-Philippe; Davalos, Albert R.; Campisi, Judith] Buck Inst Age Res, Novato, CA 94945 USA.
[Le, Oanh; Beausejour, Christian M.] Univ Montreal, CHU Ste Justine, Dept Pharmacol, Montreal, PQ H3T 1C5, Canada.
[Campeau, Eric] Univ Massachusetts, Sch Med, Program Gene Funct & Express, Worcester, MA 01605 USA.
RP Campisi, J (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM jcampisi@buckinstitute.org
FU Canadian Institutes of Health Research [MPO79317]; US NIH [AG09909,
AG17242, AG025708]; DOE [AC03-76SF00098]
FX We thank Patrick Kaminker for valuable assistance with the confocal
microscope, Dolf Beems for comments on mouse histology and Pierre
Desprez for critically reading the manuscript. This work was supported
by grants from the Canadian Institutes of Health Research MPO79317 to
C.B., US NIH AG09909 and AG17242 to J.C. and AG025708 to the Buck
Institute, and DOE contract AC03-76SF00098. Deposited in PMC for release
after 12 months.
NR 78
TC 133
Z9 135
U1 0
U2 7
PU COMPANY OF BIOLOGISTS LTD
PI CAMBRIDGE
PA BIDDER BUILDING CAMBRIDGE COMMERCIAL PARK COWLEY RD, CAMBRIDGE CB4 4DL,
CAMBS, ENGLAND
SN 0021-9533
J9 J CELL SCI
JI J. Cell Sci.
PD JAN
PY 2011
VL 124
IS 1
BP 68
EP 81
DI 10.1242/jcs.071340
PG 14
WC Cell Biology
SC Cell Biology
GA 693RF
UT WOS:000285242200009
PM 21118958
ER
PT J
AU Spencer, VA
Costes, S
Inman, JL
Xu, R
Chen, J
Hendzel, MJ
Bissell, MJ
AF Spencer, Virginia A.
Costes, Sylvain
Inman, Jamie L.
Xu, Ren
Chen, James
Hendzel, Michael J.
Bissell, Mina J.
TI Depletion of nuclear actin is a key mediator of quiescence in epithelial
cells
SO JOURNAL OF CELL SCIENCE
LA English
DT Article
DE Actin; Laminin; Microenvironment; Nucleus
ID RNA-POLYMERASE-II; EXTRACELLULAR-MATRIX; HUMAN-BREAST;
BASEMENT-MEMBRANE; GENE-EXPRESSION; BRANCHING MORPHOGENESIS;
MAMMARY-GLAND; FUNCTIONAL-DIFFERENTIATION; TRANSCRIPTION FACTORS;
HISTONE ACETYLATION
AB Functional differentiation is orchestrated by precise growth-regulatory controls conveyed by the tissue microenvironment. Cues from laminin 111 (LN1) lower transcription and suppress mammary epithelial cell growth in culture, but how LN1 induces quiescence is unknown. Recent literature points to involvement of nuclear beta-actin in transcriptional regulation. Here, we show that quiescence induced by growth factor withdrawal, or LN1 addition, rapidly decreases nuclear beta-actin. LN1, but not other extracellular matrix (ECM) molecules, decreases the levels of nuclear beta-actin and destabilizes RNA polymerase (RNA Pol) II and III binding to transcription sites, leading to a dramatic drop in transcription and DNA synthesis. Constitutive overexpression of globular beta-actin in the nucleus reverses the effect of LN1 on transcription and RNA Pol II association and prevents the cells from becoming quiescent in the presence of LN1. The physiological relevance of our findings was verified by identifying a clear spatial separation of LN1 and beta-actin in developing mammary end buds. These data indicate a novel role for nuclear beta-actin in growth arrest of epithelial cells and underscore the importance of the integrity of the basement membrane in homeostasis.
C1 [Spencer, Virginia A.; Costes, Sylvain; Inman, Jamie L.; Xu, Ren; Chen, James; Bissell, Mina J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, Berkeley, CA 94720 USA.
[Hendzel, Michael J.] Univ Alberta, Dept Oncol, Edmonton, AB T6G 1Z2, Canada.
[Hendzel, Michael J.] Cross Canc Inst, Edmonton, AB T6G 1Z2, Canada.
RP Spencer, VA (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Div Life Sci, 1 Cyclotron Rd,MS 977R225A, Berkeley, CA 94720 USA.
EM vaspencer@lbl.gov; mjbissell@lbl.gov
RI Costes, Sylvain/D-2522-2013;
OI Costes, Sylvain/0000-0002-8542-2389; Hendzel,
Michael/0000-0002-9603-7945
FU US Dept of Energy; Office of Biological and Environmental Research
[DE-AC02-05CH1123]; Office of Health and Environmental Research Health
Effects Division [03-76SF00098]; National Cancer Institute [R01CA064786,
U54CA126552, U54CA112970, U54CA143836, U01CA143233, R01CA057621]; US DOD
Medical and Materiel Command [W81XWH0810736, W81XWH0510338,
W81XWH0410581]; Canadian Institutes of Health Research
FX We thank Irene Kuhn for critical reading of the manuscript and Cyrus
Ghajar, Aaron Boudreau, Joni Mott, Sanjay Kumar, Roland Meier, Kandice
Tanner, Ken Yamada and Zena Werb for their constructive comments. We
also thank UCSF Helen Diller Family Comprehensive Cancer Center Mouse
Pathology Core for tissue sectioning. The NLS-beta-actin construct was a
kind gift from Richard Treisman. The rat antibody against the LN1 alpha
1 chain was a kind gift from Lydia Sorokin. This work was supported by
grants from the US Dept of Energy, the Office of Biological and
Environmental Research (contract no. DE-AC02-05CH1123), a Low Dose
Radiation Program and a Distinguished Fellow Award from the Office of
Health and Environmental Research Health Effects Division (contract no.
03-76SF00098) to M.J.B., the National Cancer Institute [awards
R01CA064786, U54CA126552, U54CA112970, U54CA143836 (Bay Area Physical
Sciences-Oncology Center, University of California, Berkeley, CA) and
U01CA143233 to M.J.B. and R01CA057621 to M.J.B. and Zena Werb], the US
Dept of Defense (DOD) Medical and Materiel Command Innovator Awards
(contract no. W81XWH0810736 and W81XWH0510338) to M.J.B. V.A.S. was
supported by postdoctoral fellowships from the US DOD Medical and
Materiel Command (W81XWH0410581) and the Canadian Institutes of Health
Research. R.X. was supported by a postdoctoral fellowship
(W81XWH0410581) from the US DOD Medical and Materiel Command. M.J.H. is
an Alberta Innovates Health Sciences Senior Scholar. Deposited in PMC
for release after 12 months.
NR 80
TC 41
Z9 41
U1 1
U2 7
PU COMPANY OF BIOLOGISTS LTD
PI CAMBRIDGE
PA BIDDER BUILDING CAMBRIDGE COMMERCIAL PARK COWLEY RD, CAMBRIDGE CB4 4DL,
CAMBS, ENGLAND
SN 0021-9533
J9 J CELL SCI
JI J. Cell Sci.
PD JAN
PY 2011
VL 124
IS 1
BP 123
EP 132
DI 10.1242/jcs.073197
PG 10
WC Cell Biology
SC Cell Biology
GA 693RF
UT WOS:000285242200014
PM 21172822
ER
PT J
AU Cho, WJ
Lee, JS
Zhang, L
Ren, G
Shin, LA
Manke, CW
Potoff, J
Kotaria, N
Zhvania, MG
Jena, BP
AF Cho, Won Jin
Lee, Jin-Sook
Zhang, Lei
Ren, Gang
Shin, Leah
Manke, Charles W.
Potoff, Jeffrey
Kotaria, Nato
Zhvania, Mzia G.
Jena, Bhanu P.
TI Membrane-directed molecular assembly of the neuronal SNARE complex
SO JOURNAL OF CELLULAR AND MOLECULAR MEDICINE
LA English
DT Article
DE membrane-associated SNARE ring complex; electron 3D topography; atomic
force microscopy
ID UCSF CHIMERA; PROTEIN; VISUALIZATION; FUSION; IDENTIFICATION;
MICROSCOPY; SOFTWARE
AB Since the discovery and implication of N-ethylmaleimide-sensitive factor (NSF)-attachment protein receptor (SNARE) proteins in membrane fusion almost two decades ago, there have been significant efforts to understand their involvement at the molecular level. In the current study, we report for the first time the molecular interaction between full-length recombinant t-SNAREs and v-SNARE present in opposing liposomes, leading to the assembly of a t-/v-SNARE ring complex. Using high-resolution electron microscopy, the electron density maps and 3D topography of the membrane-directed SNARE ring complex was determined at nanometre resolution. Similar to the t-/v-SNARE ring complex formed when 50 nm v-SNARE liposomes meet a t-SNARE-reconstituted planer membrane, SNARE rings are also formed when 50 nm diameter isolated synaptic vesicles (SVs) meet a t-SNARE-reconstituted planer lipid membrane. Furthermore, the mathematical prediction of the SNARE ring complex size with reasonable accuracy, and the possible mechanism of membrane-directed t-/v-SNARE ring complex assembly, was determined from the study. Therefore in the present study, using both lipososome-reconstituted recombinant t-/v-SNARE proteins, and native v-SNARE present in isolated SV membrane, the membrane-directed molecular assembly of the neuronal SNARE complex was determined for the first time and its size mathematically predicted. These results provide a new molecular understanding of the universal machinery and mechanism of membrane fusion in cells, having fundamental implications in human health and disease.
C1 [Cho, Won Jin; Lee, Jin-Sook; Shin, Leah; Jena, Bhanu P.] Wayne State Univ, Sch Med, Dept Physiol, Detroit, MI 48201 USA.
[Zhang, Lei; Ren, Gang] Univ Calif San Francisco, Dept Biochem & Biophys, San Francisco, CA 94143 USA.
[Zhang, Lei; Manke, Charles W.; Potoff, Jeffrey; Jena, Bhanu P.] Wayne State Univ, Coll Engn, Dept Chem Engn & Mat Sci, Detroit, MI 48201 USA.
[Kotaria, Nato; Zhvania, Mzia G.] I Beritashvili Inst Physiol Georgia, Tbilisi, Rep of Georgia.
[Ren, Gang] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
RP Jena, BP (reprint author), Wayne State Univ, Sch Med, Dept Physiol, 540 E Canfield,5245 Scott Hall, Detroit, MI 48201 USA.
EM bjena@med.wayne.edu
RI Zhang, Lei/G-6427-2012
OI Zhang, Lei/0000-0002-4880-824X
FU NSF [CBET-0730768]; NIH [NS-39918]; Wayne State Univ.
FX Financial support from NSF CBET-0730768 (J.J.P., C.W.M., B.P.J.), NIH
NS-39918 (B.P.J.) and Wayne State Univ. Research Enhancement Program
(B.P.J.), is gratefully acknowledged.
NR 21
TC 17
Z9 18
U1 1
U2 5
PU WILEY-BLACKWELL PUBLISHING, INC
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 1582-1838
J9 J CELL MOL MED
JI J. Cell. Mol. Med.
PD JAN
PY 2011
VL 15
IS 1
BP 31
EP 37
DI 10.1111/j.1582-4934.2010.01152.x
PG 7
WC Cell Biology; Medicine, Research & Experimental
SC Cell Biology; Research & Experimental Medicine
GA 710LT
UT WOS:000286513900007
PM 20716122
ER
PT J
AU Millett, PC
Wang, YU
AF Millett, Paul C.
Wang, Yu U.
TI Diffuse-interface field approach to modeling arbitrarily-shaped
particles at fluid-fluid interfaces
SO JOURNAL OF COLLOID AND INTERFACE SCIENCE
LA English
DT Article
DE Modeling and simulation; Colloidal particles; Fluid-fluid interfaces;
Capillary forces
ID COLLOIDAL PARTICLES; FORCES; SIMULATION; WATER
AB We present a novel mesoscale simulation approach to modeling the evolution of solid particles segregated at fluid-fluid interfaces. The approach involves a diffuse-interface field description of each fluid phase in addition to the set of solid particles. The unique strength of the model is its generality to include particles of arbitrary shapes and orientations, as well as the ability to incorporate electrostatic particle interactions and external forces via a previous work [P.C. Millett, Y.U. Wang, Acta Mater. 57 (2009) 3101]. In this work, we verify that the model produces the correct capillary forces and contact angles by comparing with a well-defined analytical solution. In addition, simulation results of rotations of various-shaped particles at fluid-fluid interfaces, external force-induced capillary attraction/repulsion between particles, and spinodal decomposition arrest due to colloidal particle jamming at the interfaces are presented. Published by Elsevier Inc.
C1 [Millett, Paul C.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
[Wang, Yu U.] Michigan Tech, Dept Mat Sci & Engn, Houghton, MI 49931 USA.
RP Millett, PC (reprint author), Idaho Natl Lab, Idaho Falls, ID 83415 USA.
EM Paul.Millett@inl.gov
FU INL high-performance computing department at Idaho National Laboratory;
NSF [DMR-0968792]
FX PCM gratefully acknowledges support from the INL high-performance
computing department at Idaho National Laboratory. YUW gratefully
acknowledges financial support from NSF grant DMR-0968792.
NR 27
TC 9
Z9 9
U1 0
U2 15
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 JAN 1
PY 2011
VL 353
IS 1
BP 46
EP 51
DI 10.1016/j.jcis.2010.09.021
PG 6
WC Chemistry, Physical
SC Chemistry
GA 675JB
UT WOS:000283825300006
PM 20888570
ER
PT J
AU Cowan, BM
Bruhwiler, DL
Cormier-Michel, E
Esarey, E
Geddes, CGR
Messmer, P
Paul, KM
AF Cowan, Benjamin M.
Bruhwiler, David L.
Cormier-Michel, Estelle
Esarey, Eric
Geddes, Cameron G. R.
Messmer, Peter
Paul, Kevin M.
TI Characteristics of an envelope model for laser-plasma accelerator
simulation
SO JOURNAL OF COMPUTATIONAL PHYSICS
LA English
DT Article
DE Plasma accelerator; Laser-plasma acceleration; Laser wakefield
acceleration; PIC; Envelope model
ID RELATIVISTIC PONDEROMOTIVE FORCE; IN-CELL SIMULATION; ELECTRON-BEAMS;
CHARGE CONSERVATION; INTENSE; PULSES; FRAMES
AB Simulation of laser-plasma accelerator (LPA) experiments is computationally intensive due to the disparate length scales involved. Current experiments extend hundreds of laser wavelengths transversely and many thousands in the propagation direction, making explicit PIC simulations enormously expensive and requiring massively parallel execution in 3D. Simulating the next generation of LPA experiments is expected to increase the computational requirements yet further, by a factor of 1000. We can substantially improve the performance of LPA simulations by modeling the envelope evolution of the laser field rather than the field itself. This allows for much coarser grids, since we need only resolve the plasma wavelength and not the laser wavelength, and therefore larger timesteps can be used. Thus an envelope model can result in savings of several orders of magnitude in computational resources. By propagating the laser envelope in a Galilean frame moving at the speed of light, dispersive errors can be avoided and simulations over long distances become possible. The primary limitation to this envelope model is when the laser pulse develops large frequency shifts, and thus the slowly-varying envelope assumption is no longer valid. Here we describe the model and its implementation, and show rigorous benchmarks for the algorithm, establishing second-order convergence and correct laser group velocity. We also demonstrate simulations of LPA phenomena such as self-focusing and meter-scale acceleration stages using the model. (C) 2010 Elsevier Inc. All rights reserved.
C1 [Cowan, Benjamin M.; Bruhwiler, David L.; Cormier-Michel, Estelle; Messmer, Peter; Paul, Kevin M.] Tech X Corp, Boulder, CO 80303 USA.
[Cormier-Michel, Estelle; Esarey, Eric; Geddes, Cameron G. R.] Univ Calif Berkeley, Lawrence Berkeley Lab, LOASIS Program, Berkeley, CA 94720 USA.
RP Cowan, BM (reprint author), Tech X Corp, Boulder, CO 80303 USA.
EM benc@txcorp.com; bruhwile@txcorp.com; ecormier@txcorp.com;
EHEsarey@lbl.gov; CGRGeddes@lbl.gov; messmer@txcorp.com;
kpaul@txcorp.com
OI Bruhwiler, David/0000-0002-2318-8494
FU US Department of Energy, Office of Science [DE-FC02-07ER41499,
DE-SC0000840, DE-AC02-05CH11231]; Tech-X CorporatioN; office of Fusion
Energy Sciences; Air Force Office of Scientific Research; Technology
Office; Department of Defense; office of High Energy Physics; office of
Nuclear Physics; Office of the Secretary of Defense; Department of
Energy Office of Science; Department of Energy
FX This work was supported by US Department of Energy, Office of Science
Grants DE-FC02-07ER41499 (SciDAC), DE-SC0000840 (SBIR), and
DE-AC02-05CH11231 (LBNL), and by Tech-X Corporation. This research used
resources of the National Energy Research Scientific Computing Center,
which is supported by the Office of Science of the US Department of
Energy under Contract No. DE-AC02-05CH11231. In addition, we acknowledge
additional support for VORPAL development from the offices of Fusion
Energy Sciences, High Energy Physics, and Nuclear Physics and the SciDAC
program of the Department of Energy Office of Science, the Air Force
Office of Scientific Research, the Joint Technology Office, and Office
of the Secretary of Defense, and the SBIR programs of the Department of
Energy and Department of Defense.
NR 48
TC 9
Z9 9
U1 2
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 JAN 1
PY 2011
VL 230
IS 1
BP 61
EP 86
DI 10.1016/j.jcp.2010.09.009
PG 26
WC Computer Science, Interdisciplinary Applications; Physics, Mathematical
SC Computer Science; Physics
GA 686AX
UT WOS:000284670300004
ER
PT J
AU Min, MS
Lee, T
AF Min, Misun
Lee, Taehun
TI A spectral-element discontinuous Galerkin lattice Boltzmann method for
nearly incompressible flows
SO JOURNAL OF COMPUTATIONAL PHYSICS
LA English
DT Article
DE Lattice Boltzmann method; Spectral element method; Discontinous Galerkin
method
ID IMPULSIVELY STARTED CYLINDER; NAVIER-STOKES EQUATIONS; EULERIAN
DESCRIPTION; BOUNDARY-CONDITIONS; SCHEME; MODEL; SIMULATION; ALGORITHM
AB We present a spectral-element discontinuous Galerkin lattice Boltzmann method for solving nearly incompressible flows. Decoupling the collision step from the streaming step offers numerical stability at high Reynolds numbers. In the streaming step, we employ high-order spectral-element discontinuous Galerkin discretizations using a tensor product basis of one-dimensional Lagrange interpolation polynomials based on Gauss-Lobatto-Legendre grids. Our scheme is cost-effective with a fully diagonal mass matrix, advancing time integration with the fourth-order Runge-Kutta method. We present a consistent treatment for imposing boundary conditions with a numerical flux in the discontinuous Galerkin approach. We show convergence studies for Couette flows and demonstrate two benchmark cases with lid-driven cavity flows for Re = 400-5000 and flows around an impulsively started cylinder for Re = 550-9500. Computational results are compared with those of other theoretical and computational work that used a multigrid method, a vortex method, and a spectral element model. (C) 2010 Elsevier Inc. All rights reserved.
C1 [Lee, Taehun] CUNY City Coll, Dept Mech Engn, New York, NY 10031 USA.
[Min, Misun] Argonne Natl Lab, Div Math & Comp Sci, Argonne, IL 60439 USA.
RP Lee, T (reprint author), CUNY City Coll, Dept Mech Engn, New York, NY 10031 USA.
EM mmin@mcs.anl.gov; thlee@ccny.cuny.edu
RI Lee, Taehun/G-2695-2010
OI Lee, Taehun/0000-0001-9965-5637
FU Office of Advanced Scientific Computing Research, Office of Science,
U.S. Department of Energy [DE-AC02-06CH11357]; National Science
Foundation [DMS-0811046]; Nuclear Regulatory Commission [NRC-38-09-947]
FX This work was partially supported by the Office of Advanced Scientific
Computing Research, Office of Science, U.S. Department of Energy, under
Contract DE-AC02-06CH11357, and partially by the National Science
Foundation grant DMS-0811046 and Nuclear Regulatory Commission grant
NRC-38-09-947. The authors thank Paul Fischer for his helpful
discussions and providing his drag coefficient data for SEM.
NR 42
TC 22
Z9 23
U1 2
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 JAN 1
PY 2011
VL 230
IS 1
BP 245
EP 259
DI 10.1016/j.jcp.2010.09.024
PG 15
WC Computer Science, Interdisciplinary Applications; Physics, Mathematical
SC Computer Science; Physics
GA 686AX
UT WOS:000284670300013
ER
PT J
AU Afshordi, N
Slosar, A
Wang, Y
AF Afshordi, Niayesh
Slosar, Anze
Wang, Yi
TI A theory of a spot
SO JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
LA English
DT Article
DE inflation; integrated Sachs-Wolfe effect; cosmological perturbation
theory; Sunyaev-Zeldovich effect
ID MICROWAVE-ANISOTROPY-PROBE; GAUSSIAN COLD SPOT; INFLATIONARY UNIVERSE;
BACKGROUND ANOMALIES; SPHERICAL WAVELETS; COSMOLOGICAL MODEL; ANGULAR
VARIATIONS; 1ST-YEAR DATA; LOCAL VOIDS; PERTURBATIONS
AB We present a simple inflationary scenario that can produce arbitrarily large spherical underdense or overdense regions embedded in a standard Lambda cold dark matter paradigm, which we refer to as bubbles. We analyze the effect such bubbles would have on the Cosmic Microwave Background (CMB). For super-horizon sized bubble in the vicinity of the last scattering surface, a signal is imprinted onto CMB via a combination of Sach-Wolfe and an early integrated Sach-Wolfe (ISW) effects. Smaller, sub-horizon sized bubbles at lower redshifts (during matter domination and later) can imprint secondary anisotropies on the CMB via Rees-Sciama, late-time ISW and Ostriker-Vishniac effects. Our scenario, and arguably most similar inflationary models, produce bubbles which are over/underdense in potential: in density such bubbles are characterized by having a distinct wall with the interior staying at the cosmic mean density. We show that such models can potentially, with only moderate fine tuning, explain the cold spot, a non-Gaussian feature identified in the Wilkinson Microwave Anisotropy Probe (WMAP) data by several authors. However, more detailed comparisons with current and future CMB data are necessary to confirm (or rule out) this scenario.
C1 [Afshordi, Niayesh] Perimeter Inst Theoret Phys, Waterloo, ON N2L 2Y5, Canada.
[Afshordi, Niayesh] Univ Waterloo, Dept Phys & Astron, Waterloo, ON N2L 3G1, Canada.
[Slosar, Anze] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Wang, Yi] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada.
RP Afshordi, N (reprint author), Perimeter Inst Theoret Phys, 31 Caroline St N, Waterloo, ON N2L 2Y5, Canada.
EM nafshordi@perimeterinstitute.ca; anze@bnl.gov;
wangyi@hep.physics.mcgill.ca
OI Slosar, Anze/0000-0002-8713-3695; Wang, Yi/0000-0002-7605-553X
FU Chinese Academy of Sciences [KJCX2.YW.W10]; Perimeter Institute (PI) for
Theoretical Physics; Government of Canada through Industry Canada;
Province of Ontario through the Ministry of Research Innovation; U.S.
Department of Energy [DE-AC02-98CH10886]; Institute of Particle Physics;
McGill University
FX We would like to thank Andrei Frolov, Ghazal Geshnizjani, and Tanmay
Vachaspati for useful discussions. The authors acknowledge the
hospitality of the Kavli Institute for Theoretical Physics in Beijing
(KITPC), where this work was originated. The research at KITPC was
supported in part by the Project of Knowledge Innovation Program (PKIP)
of Chinese Academy of Sciences, Grant No. KJCX2.YW.W10. NA is in part
supported by Perimeter Institute (PI) for Theoretical Physics. Research
at PI is supported by the Government of Canada through Industry Canada
and by the Province of Ontario through the Ministry of Research &
Innovation. AS is supported in part by the U.S. Department of Energy
under Contract No. DE-AC02-98CH10886. YW is supported in part by
Institute of Particle Physics, and by funds from McGill University.
NR 57
TC 12
Z9 12
U1 0
U2 1
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 JAN
PY 2011
IS 1
AR 019
DI 10.1088/1475-7516/2011/01/019
PG 17
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 714IL
UT WOS:000286802900019
ER
PT J
AU Markovic, K
Bridle, S
Slosar, A
Weller, J
AF Markovic, Katarina
Bridle, Sarah
Slosar, Anze
Weller, Jochen
TI Constraining warm dark matter with cosmic shear power spectra
SO JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
LA English
DT Article
DE dark matter theory; cosmological parameters from LSS; weak gravitational
lensing
ID LARGE-SCALE STRUCTURE; MICROWAVE BACKGROUND ANISOTROPIES; UNIVERSAL
DENSITY PROFILE; ANGULAR-MOMENTUM; COSMOLOGICAL PARAMETERS; NONLINEAR
EVOLUTION; MASSIVE NEUTRINOS; LINEAR POWER; HALO; GALAXY
AB We investigate potential constraints from cosmic shear on the dark matter particle mass, assuming all dark matter is made up of light thermal relic particles. Given the theoretical uncertainties involved in making cosmological predictions in such warm dark matter scenarios we use analytical fits to linear warm dark matter power spectra and compare (i) the halo model using a mass function evaluated from these linear power spectra and (ii) an analytical fit to the non-linear evolution of the linear power spectra. We optimistically ignore the competing effect of baryons for this work. We find approach (ii) to be conservative compared to approach (i). We evaluate cosmological constraints using these methods, marginalising over four other cosmological parameters. Using the more conservative method we find that a Euclid-like weak lensing survey together with constraints from the Planck cosmic microwave background mission primary anisotropies could achieve a lower limit on the particle mass of 2.5 keV.
C1 [Markovic, Katarina; Weller, Jochen] Univ Munich, Univ Observ Munich, D-81679 Munich, Germany.
[Markovic, Katarina; Weller, Jochen] Excellence Cluster Universe, D-85748 Garching, Germany.
[Bridle, Sarah] UCL, Dept Phys & Astron, London WC1E 6BT, England.
[Slosar, Anze] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Weller, Jochen] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany.
RP Markovic, K (reprint author), Univ Munich, Univ Observ Munich, Scheinerstr 1, D-81679 Munich, Germany.
EM markovic@usm.lmu.de; sarah.bridle@ucl.ac.uk; anze@bnl.gov;
jochen.weller@usm.lmu.de
OI Slosar, Anze/0000-0002-8713-3695; Weller, Jochen/0000-0002-8282-2010;
Markovic, Dida/0000-0001-6764-073X
FU International Max-Planck Research School; Royal Society; ERC; U.S.
Department of Energy [DE-AC02-98CH10886]
FX We are grateful to Jesus Zavala for kindly sharing the results of his
simulation and to Robert Smith, Adam Amara, Tom Kitching, Alexandre
Refregier, Donnacha Kirk, Uros Seljak, Alan Heavens, Filipe Abdalla,
Martin Kilbinger, Rob Yates, Marco Baldi and John Peacock for many
fruitful discussions. We thank Lawrence Berkeley National Lab & George
Smoot, University College London, CEA Saclay. KM performed this work
with support from the International Max-Planck Research School. SLB
acknowledges support from the Royal Society from a University Research
Fellowship, and from an ERC Starting Grant. AS is supported in part by
the U.S. Department of Energy under Contract No. DE-AC02-98CH10886. We
thank the Euclid Weak Lensing Working Group for helpful discussions.
NR 92
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U1 0
U2 1
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 JAN
PY 2011
IS 1
AR 022
DI 10.1088/1475-7516/2011/01/022
PG 24
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 714IL
UT WOS:000286802900022
ER
PT J
AU Sandick, P
Diemand, J
Freese, K
Spolyar, D
AF Sandick, Pearl
Diemand, Juerg
Freese, Katherine
Spolyar, Douglas
TI Black holes in our galactic halo: compatibility with FGST and PAMELA
data and constraints on the first stars
SO JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
LA English
DT Article
DE first stars; dark matter theory; gamma ray theory
ID DARK-MATTER ANNIHILATION; POPULATION III STARS; RADIATIVE FEEDBACK;
PRIMORDIAL GAS; UNIVERSE; FRAGMENTATION; TELESCOPE; EVOLUTION; ENERGIES;
OBJECTS
AB 10 - 10(5) M-circle dot black holes with dark matter spikes that formed in early minihalos and still exist in our Milky Way Galaxy today are examined in light of recent data from the Fermi Gamma-Ray Space Telescope (FGST). The dark matter spikes surrounding black holes in our Galaxy are sites of significant dark matter annihilation. We examine the signatures of annihilations into gamma-rays, e(+)/e(-), and neutrinos. We find that some significant fraction of the point sources detected by FGST might be due to dark matter annihilation near black holes in our Galaxy. We obtain limits on the properties of dark matter annihilations in the spikes using the information in the FGST First Source Catalog as well as the diffuse gamma-ray flux measured by FGST. We determine the maximum fraction of high redshift minihalos that could have hosted the formation of the first generation of stars and, subsequently, their black hole remnants. The strength of the limits depends on the choice of annihilation channel and black hole mass; limits are strongest for the heaviest black holes and annhilation to b (b) over bar and W+W- final states. The larger black holes considered in this paper may arise as the remnants of Dark Stars after the dark matter fuel is exhausted and thermonuclear burning runs its course; thus FGST observations may be used to constrain the properties of Dark Stars. Additionally, we comment on the excess positron flux found by PAMELA and its possible interpretation in terms of dark matter annihilation around these black hole spikes.
C1 [Sandick, Pearl] Univ Texas Austin, Theory Grp, Austin, TX 78712 USA.
[Sandick, Pearl] Univ Texas Austin, Texas Cosmol Ctr, Austin, TX 78712 USA.
[Diemand, Juerg] Univ Zurich, Inst Theoret Phys, CH-8057 Zurich, Switzerland.
[Freese, Katherine] Univ Michigan, 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 Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA.
RP Sandick, P (reprint author), Univ Texas Austin, Theory Grp, Austin, TX 78712 USA.
EM pearl@physics.utexas.edu; diemand@physik.uzh.ch; ktfreese@umich.edu;
dspolyar@fnal.gov
RI Diemand, Juerg/G-9448-2011
FU Swiss National Science Foundation; Department of Energy; Michigan Center
for Theoretical Physics; National Science Foundation [PHY-0455649]
FX J.D. is supported by the Swiss National Science Foundation. K.F. thanks
the Department of Energy and the Michigan Center for Theoretical Physics
for support, and the Aspen Center for Physics for hospitality during the
course of this research. K.F. thanks Paul Shapiro for helpful
conversations. P.S. is supported by the National Science Foundation
under Grant No. PHY-0455649, and thanks the Michigan Center for
Theoretical Physics for providing a stimulating working environment
during the Dark Stars Workshop. P.S. also thanks Eiichiro Komatsu for
helpful conversations. D.S. is supported by the Department of Energy.
NR 98
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U1 0
U2 1
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 JAN
PY 2011
IS 1
AR 018
DI 10.1088/1475-7516/2011/01/018
PG 36
WC Astronomy & Astrophysics; Physics, Particles & Fields
SC Astronomy & Astrophysics; Physics
GA 714IL
UT WOS:000286802900018
ER
PT J
AU Zaitseva, N
Carman, L
Glenn, A
Newby, J
Faust, M
Hamel, S
Cherepy, N
Payne, S
AF Zaitseva, Natalia
Carman, Leslie
Glenn, Andrew
Newby, Jason
Faust, Michelle
Hamel, Sebastien
Cherepy, Nerine
Payne, Stephen
TI Application of solution techniques for rapid growth of organic crystals
SO JOURNAL OF CRYSTAL GROWTH
LA English
DT Article
DE Supersaturated solutions; Single crystal growth; Organic compounds;
Scintillator materials; Neutron detection; Pulse shape discrimination
ID PULSE-SHAPE DISCRIMINATION; DKDP CRYSTALS; NEUTRON; SCINTILLATORS;
KH2PO4; KDP
AB Single crystals of a pure hydrocarbon, 1,3,5-triphenylbenzene, with properties suitable for high-energy neutron detection were grown from toluene solutions using slow evaporation and temperature reduction methods with growth rates up to 10 mm/day. Application of the rapid growth technique developed earlier for growth of large water-soluble crystals shows that crystals of aromatic compounds can be successfully grown from solutions in large volumes required for their use as scintillator materials for radiation detection. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Zaitseva, Natalia; Carman, Leslie; Glenn, Andrew; Newby, Jason; Faust, Michelle; Hamel, Sebastien; Cherepy, Nerine; Payne, Stephen] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
RP Zaitseva, N (reprint author), Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94551 USA.
EM zaitseva1@llnl.gov
RI Cherepy, Nerine/F-6176-2013;
OI Cherepy, Nerine/0000-0001-8561-923X; Newby, Robert/0000-0003-3571-1067
FU US Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]; US Department of Energy Office of Non-proliferation
Research and Development [NA-22]
FX This work was performed under the auspices of the US Department of
Energy by Lawrence Livermore National Laboratory under Contract
DE-AC52-07NA27344 and supported by the US Department of Energy Office of
Non-proliferation Research and Development (NA-22).
NR 19
TC 28
Z9 28
U1 2
U2 18
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 JAN 1
PY 2011
VL 314
IS 1
BP 163
EP 170
DI 10.1016/j.jcrysgro.2010.10.139
PG 8
WC Crystallography; Materials Science, Multidisciplinary; Physics, Applied
SC Crystallography; Materials Science; Physics
GA 715AS
UT WOS:000286853400032
ER
PT J
AU Lin, Y
Norman, AG
McMahon, WE
Moutinho, HR
Jiang, CS
Ptak, AJ
AF Lin, Y.
Norman, A. G.
McMahon, W. E.
Moutinho, H. R.
Jiang, C. -S.
Ptak, A. J.
TI Effects of substrate orientation on aluminum grown on MgAl2O4 spinel
using molecular beam epitaxy
SO JOURNAL OF CRYSTAL GROWTH
LA English
DT Article
DE Planar defects; Molecular beam epitaxy; Metals; Oxides
ID LIGHT-EMITTING-DIODES; OXIDE SURFACES; ENERGY; FILMS; INTERFACES; CDTE
AB Al thin films have been grown on single-crystal MgAl2O4 spinel substrates using solid source molecular beam epitaxy. The structural properties of Al layers were systematically investigated as a function of substrate orientation. X-ray diffraction reveals that Al layers are coherently grown on both (0 0 1)- and (1 1 1)-oriented spinel substrates. However, scanning electron microscopy and atomic force microscopy show that Al layers on (0 0 1) spinel substrates display smoother surface morphology than those grown on (1 1 1) spinel substrates. Additionally, electron backscatter diffraction and transmission electron microscopy demonstrate the presence of a high density of twin domain structures in Al thin films grown on (1 1 1) spinel substrates. (C) 2010 Published by Elsevier B.V.
C1 [Lin, Y.; Norman, A. G.; McMahon, W. E.; Moutinho, H. R.; Jiang, C. -S.; Ptak, A. J.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Lin, Y (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
EM yong.lin@nrel.gov
RI Norman, Andrew/F-1859-2010; jiang, chun-sheng/F-7839-2012
OI Norman, Andrew/0000-0001-6368-521X;
FU US Department of Energy [DE-AC36-08-GO28308]; National Renewable Energy
Laboratory
FX The authors would like to acknowledge Y. Yan and X. Zhang of the
National Renewable Energy Laboratory for helpful discussions. This work
was supported by the US Department of Energy under Contract no.
DE-AC36-08-GO28308 with the National Renewable Energy Laboratory.
NR 17
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Z9 0
U1 0
U2 5
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 JAN 1
PY 2011
VL 314
IS 1
BP 298
EP 301
DI 10.1016/j.jcrysgro.2010.11.004
PG 4
WC Crystallography; Materials Science, Multidisciplinary; Physics, Applied
SC Crystallography; Materials Science; Physics
GA 715AS
UT WOS:000286853400054
ER
PT J
AU Bell, NS
Frischknecht, AL
Piech, M
AF Bell, Nelson S.
Frischknecht, Amalie L.
Piech, Martin
TI Grafted Low Molecular Weight Polymers as Steric Stabilizers of
Commercial Titania Nanoparticles in Polydimethylsiloxane Fluids
SO JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY
LA English
DT Article
DE Grafted polymer; nanoparticle; rheology; titania
ID COLLOIDAL DISPERSIONS; CONCENTRATED SUSPENSIONS; HOMOPOLYMER MATRIX;
RHEOLOGY; DENSITY; PARTICLES; BRUSHES; NANOCOMPOSITES; ATTRACTION;
TRANSITION
AB A commercial titania nanopowder was surface modified by grafting with polydimethylsiloxane (PDMS) polymers with a molecular weight of 5000, and characterized for particle dispersion and rheology in a silicone oil fluid medium. Methods employed include TEM, TGA, dynamic light scattering, and steady shear and dynamic rheology. Estimates of the adsorbed amount of grafted chains suggest the steric layer is at the interface of the mushroom and brush conformation regions. The interaction energy between the particles is modeled using van der Waals expressions and steric repulsion derived from self-consistent field theory calculations. Calculations show that the steric layer is a oweto brush under good (athermal) solvent conditions, and is of low grafting density. These results are related to flow properties and fluid structure up to absolute volume fractions of 37%, corresponding to effective volume fractions of 63.9vol%. Based on the effective volume fraction, a fluid to solid transition is found at 60.5vol%. This system shows that nanoparticle dispersion can be effective even with low density brush layers and good solvent conditions.
C1 [Bell, Nelson S.; Frischknecht, Amalie L.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Piech, Martin] United Technol Corp, United Technol Res Ctr, E Hampton, CT USA.
RP Bell, NS (reprint author), Sandia Natl Labs, POB 5800-1411, Albuquerque, NM 87185 USA.
EM nsbell@sandia.gov
RI Frischknecht, Amalie/N-1020-2014
OI Frischknecht, Amalie/0000-0003-2112-2587
FU Sandia National Laboratories
FX Sandia is a multiprogram laboratory operated by Sandia Corporation, a
Lockheed Martin Company for the United States Department of Energy
National Nuclear Security Administration under contract
DE-AX04-934AL85000. Funding for this work was provided by Sandia
National Laboratories LDRD program. Thanks go to Tom Headley for TEM
images.
NR 49
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U1 4
U2 26
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
SN 0193-2691
J9 J DISPER SCI TECHNOL
JI J. Dispersion Sci. Technol.
PY 2011
VL 32
IS 1
BP 128
EP 140
AR PII 931418192
DI 10.1080/01932691003656789
PG 13
WC Chemistry, Physical
SC Chemistry
GA 697LG
UT WOS:000285514500020
ER
PT J
AU Kelesoglu, S
Meakin, P
Sjoblom, J
AF Kelesoglu, Serkan
Meakin, Paul
Sjoblom, Johan
TI Effect of Aqueous Phase pH on the Dynamic Interfacial Tension of Acidic
Crude Oils and Myristic Acid in Dodecane
SO JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY
LA English
DT Article
DE Acidic crude oil; dynamic interfacial tension; indigenous surfactants;
myristic acid; synthetic oil
ID NAPHTHENIC ACIDS; MASS-SPECTROMETRY; PARTITION-COEFFICIENTS;
WATER/HEXANE INTERFACE; ALKYLPHOSPHINE OXIDES; ADSORPTION-KINETICS;
FINITE SYSTEMS; WATER; EMULSIONS; STABILITY
AB The time dependence of the interfacial tension between water-acidic crude oil and water-synthetic oil was investigated for aqueous phase pHs ranging from 2 to 9 using the du Nouy ring method at 20 degrees C. Myristic acid in dodecane was selected as a model (synthetic oil) for acidic crude oil containing indigenous surfactants, and the similarities and differences between the dynamic interfacial tension behaviours of the natural and synthetic crude oil systems were compared. The initial interfacial tension and the relaxation of the interfacial tension are sensitive to the aqueous phase pH for both systems. The adsorption kinetics of the indigenous surfactants and myristic acid could be well fitted with the monoexponential model, and the time constants obtained in this manner indicates that reorganization of the indigenous surfactants and myristic acid at the w/o interface are pH dependent. The experimental results also indicate that indigenous surfactants in acidic crude oil and myristic acid in dodecane have similar film formation behaviours at the w/o interface for the range of pHs investigated.
C1 [Kelesoglu, Serkan; Sjoblom, Johan] Norwegian Univ Sci & Technol NTNU, Ugelstad Lab, Dept Chem Engn, N-7491 Trondheim, Norway.
[Meakin, Paul] Inst Energy Technol IFE, Multiphase Flow Assurance Innovat Ctr, Kjeller, Norway.
[Meakin, Paul] Univ Oslo, Ctr Phys Geol Proc, Oslo, Norway.
[Meakin, Paul] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
RP Kelesoglu, S (reprint author), Norwegian Univ Sci & Technol NTNU, Ugelstad Lab, Dept Chem Engn, N-7491 Trondheim, Norway.
EM serkan.kelesoglu@chemeng.ntnu.no
FU Multiphase Flow Assurance Centre (FACE); IFE; NTNU; SINTEF; Research
Council of Norway; Statoil AS; Norske ConocoPhillips AS; Vetco Gray
Scandinavia AS; Scandpower Petroleum Technology AS; FMC; CD-adapco; ENI
Norge AS; Shell Technology Norway AS
FX S. K. acknowledges a Ph.D. grant and financial support from the
Multiphase Flow Assurance Centre (FACE), a research cooperation between
IFE, NTNU, and SINTEF. The center is funded by The Research Council of
Norway, and by the following industrial partners: Statoil AS, Norske
ConocoPhillips AS, Vetco Gray Scandinavia AS, Scandpower Petroleum
Technology AS, FMC, CD-adapco, ENI Norge AS, Shell Technology Norway AS.
The authors also acknowledge discussions with and comments by Dr. Brian
Grimes on a first draft of the manuscript.
NR 46
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U2 11
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
SN 0193-2691
J9 J DISPER SCI TECHNOL
JI J. Dispersion Sci. Technol.
PY 2011
VL 32
IS 11
BP 1682
EP 1691
DI 10.1080/01932691.2010.516416
PG 10
WC Chemistry, Physical
SC Chemistry
GA 864KQ
UT WOS:000298239300019
ER
PT J
AU Jahnke, T
Titze, J
Foucar, L
Wallauer, R
Osipov, T
Benis, EP
Jagutzki, O
Arnold, W
Czasch, A
Staudte, A
Schoffler, M
Alnaser, A
Weber, T
Prior, MH
Schmidt-Bocking, H
Dorner, R
AF Jahnke, T.
Titze, J.
Foucar, L.
Wallauer, R.
Osipov, T.
Benis, E. P.
Jagutzki, O.
Arnold, W.
Czasch, A.
Staudte, A.
Schoeffler, M.
Alnaser, A.
Weber, T.
Prior, M. H.
Schmidt-Boecking, H.
Doerner, R.
TI Carbon K-shell photoionization of CO: Molecular frame angular
distributions of normal and conjugate shakeup satellites
SO JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA
LA English
DT Article
DE MFPAD; Electron correlation; Shakeup states; Molecular symmetry
ID VIBRATIONALLY RESOLVED PHOTOIONIZATION; PHOTOELECTRON-SPECTRUM;
ENERGY-DEPENDENCE; SHAPE RESONANCE; CK-SHELL; N-2; IONIZATION; HELIUM
AB We have measured the molecular frame angular distributions of photoelectrons emitted from the Carbon K-shell of fixed-in-space CO molecules for the case of simultaneous excitation of the remaining molecular ion. Normal and conjugate shakeup states are observed. Photoelectrons belonging to normal Sigma-satellite lines show an angular distribution resembling that observed for the main photoline at the same electron energy. Surprisingly a similar shape is found for conjugate shakeup states with Pi-symmetry. In our data we identify shake rather than electron scattering (PEVE) as the mechanism producing the conjugate lines. The angular distributions clearly show the presence of a Sigma shape resonance for all of the satellite lines. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Jahnke, T.; Titze, J.; Foucar, L.; Wallauer, R.; Jagutzki, O.; Arnold, W.; Czasch, A.; Schmidt-Boecking, H.; Doerner, R.] Goethe Univ Frankfurt, Inst Kernphys, D-60438 Frankfurt, Germany.
[Osipov, T.; Schoeffler, M.; Alnaser, A.; Weber, T.; Prior, M. H.] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Benis, E. P.] Univ Ioannina, Dept Phys, GR-45110 Ioannina, Greece.
[Staudte, A.] NRC, Steacie Inst Mol Sci, Ottawa, ON, Canada.
RP Dorner, R (reprint author), Goethe Univ Frankfurt, Inst Kernphys, Max von Laue Str 1, D-60438 Frankfurt, Germany.
EM doerner@atom.uni-frankfurt.de
RI Doerner, Reinhard/A-5340-2008; Weber, Thorsten/K-2586-2013; Schoeffler,
Markus/B-6261-2008; Benis, Emmanouil/G-9543-2011
OI Doerner, Reinhard/0000-0002-3728-4268; Weber,
Thorsten/0000-0003-3756-2704; Schoeffler, Markus/0000-0001-9214-6848;
Staudte, Andre/0000-0002-8284-3831; Benis, Emmanouil/0000-0002-5564-153X
FU DFG; Division of Chemical Sciences, Geosciences and Biosciences
Division, Office of Basic Energy Sciences, Office of Science, U.S.
Department of Energy; Office of Science, Office of Basic Energy Sciences
and Division of Materials Sciences under U.S. Department of Energy
[DE-AC03-76SF00098]
FX This work was supported by DFG, the Division of Chemical Sciences,
Geosciences and Biosciences Division, Office of Basic Energy Sciences,
Office of Science, U.S. Department of Energy and the Director, Office of
Science, Office of Basic Energy Sciences and Division of Materials
Sciences under U.S. Department of Energy Contract No. DE-AC03-76SF00098.
We are grateful for excellent support during the beamtime by Elke
Arenholz and Tony Young. We are deeply indebted to an unknown referee of
our paper, who has pointed out a serious mistake in our interpretation
and has suggested the molecular version of the shake off as we describe
it now in the final version of this paper.
NR 46
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U1 0
U2 7
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0368-2048
J9 J ELECTRON SPECTROSC
JI J. Electron Spectrosc. Relat. Phenom.
PD JAN
PY 2011
VL 183
IS 1-3
SI SI
BP 48
EP 52
DI 10.1016/j.elspec.2010.04.010
PG 5
WC Spectroscopy
SC Spectroscopy
GA 740YW
UT WOS:000288831300007
ER
PT J
AU Powell, CF
Kastengren, AL
Liu, Z
Fezzaa, K
AF Powell, C. F.
Kastengren, A. L.
Liu, Z.
Fezzaa, K.
TI The Effects of Diesel Injector Needle Motion on Spray Structure
SO JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE
ASME
LA English
DT Article
DE fuel systems; nozzles; petroleum
AB The internal structure of diesel fuel injectors is known to have a significant impact on the steady-state fuel distribution within the spray. However, little experimental or computational work has been performed on the dynamics of fuel injectors. Recent studies have shown that it is possible to measure the three-dimensional geometry of the injector nozzle, and to track changes in that geometry as the needle opens and closes in real time. This has enabled the dynamics of the injector to be compared with the dynamics of the spray, and allows computational fluid dynamics (CFD) simulations to use realistic time-dependent flow passage geometries. In this study, X-ray phase-enhanced imaging has been used to perform time-resolved imaging of the needle seat area in several common-rail diesel injection nozzles. The fuel distributions of the sprays emitted by these injectors were also studied with fast X-ray radiography. Correlations between eccentric motions of the injector needle valve and oscillations in the fuel density as it emerges from the nozzle are examined. CFD modeling is used to interpret the effect of needle motion on fuel flow. [DOI: 10.1115/1.4001073]
C1 [Powell, C. F.; Kastengren, A. L.] Argonne Natl Lab, Ctr Transportat Res, Argonne, IL 60439 USA.
[Liu, Z.; Fezzaa, K.] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA.
RP Powell, CF (reprint author), Argonne Natl Lab, Ctr Transportat Res, 9700 S Cass Ave, Argonne, IL 60439 USA.
FU U.S. Department of Energy [DE-AC02-06CH11357]; Department of Energy
FX This research was performed at the 1-BM and 32-ID beamlines of the
Advanced Photon Source, Argonne National Laboratory. The use of the APS
is supported by the U.S. Department of Energy under Contract No.
DE-AC02-06CH11357. The fuel spray research is sponsored by the
Department of Energy Vehicle Technologies Program. The authors thank
Gurpreet Singh for his support of this work.
NR 14
TC 12
Z9 12
U1 1
U2 17
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 JAN
PY 2011
VL 133
IS 1
AR 012802
DI 10.1115/1.4001073
PG 9
WC Engineering, Mechanical
SC Engineering
GA 655UD
UT WOS:000282274800018
ER
PT J
AU Webb-Robertson, BJ
Bunn, AL
Bailey, VL
AF Webb-Robertson, Bobbie-Jo
Bunn, Amoret L.
Bailey, Vanessa L.
TI Phospholipid fatty acid biomarkers in a freshwater periphyton community
exposed to uranium: discovery by non-linear statistical learning
SO JOURNAL OF ENVIRONMENTAL RADIOACTIVITY
LA English
DT Article
DE Non-linear statistics; Periphyton; Phospholipid fatty acids; Uranium;
Predictive; Model
ID MICROBIAL COMMUNITY; CHLOROFORM FUMIGATION; SALT-MARSH; SOIL; BIOMASS;
BACTERIAL; REDUCTION; DIVERSITY; SEDIMENTS; PROFILES
AB Phospholipid fatty acids (PLFA) have been widely used to characterize environmental microbial communities, generating community profiles that can distinguish phylogenetic or functional groups within the community. The poor specificity of organism groups with fatty acid biomarkers in the classic PLFA-microorganism associations is a confounding factor in many of the statistical classification/clustering approaches traditionally used to interpret PLFA profiles. In this paper we demonstrate that non-linear statistical learning methods, such as a support vector machine (SVM), can more accurately find patterns related to uranyl nitrate exposure in a freshwater periphyton community than linear methods, such as partial least squares discriminant analysis. In addition, probabilistic models of exposure can be derived from the identified lipid biomarkers to demonstrate the potential model-based approach that could be used in remediation. The SVM probability model separates dose groups at accuracies of similar to 87.0%, similar to 71.4%, similar to 87.5%, and 100% for the four groups; Control (non-amended system), low dose (amended at 10 mu g U L(-1)), medium dose (amended at 100 mu g U L(-1)), and high dose (500 mu g U L(-1)). The SVM model achieved an overall cross-validated classification accuracy of similar to 87% in contrast to similar to 59% for the best linear classifier. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [Webb-Robertson, Bobbie-Jo; Bunn, Amoret L.; Bailey, Vanessa L.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Bailey, VL (reprint author), Pacific NW Natl Lab, 902 Battelle Blvd,J4-18, Richland, WA 99352 USA.
EM vanessa.bailey@pnl.gov
RI Guan, Xiaokang/A-6675-2012;
OI Bailey, Vanessa/0000-0002-2248-8890
FU U.S. Department of Energy (DOE) through the Environmental Biomarkers;
Data Intensive Computing Initiatives at Pacific Northwest National
Laboratory (PNNL)
FX This work was supported by the U.S. Department of Energy (DOE) through
the Environmental Biomarkers and Data Intensive Computing Initiatives of
the Laboratory Directed Research and Development program at Pacific
Northwest National Laboratory (PNNL). PNNL is a multiprogram national
laboratory operated by Battelle for the U.S. DOE under contract
DE-AC05-76RL01830.
NR 45
TC 3
Z9 3
U1 1
U2 12
PU ELSEVIER SCI LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
SN 0265-931X
J9 J ENVIRON RADIOACTIV
JI J. Environ. Radioact.
PD JAN
PY 2011
VL 102
IS 1
BP 64
EP 71
DI 10.1016/j.jenvrad.2010.09.005
PG 8
WC Environmental Sciences
SC Environmental Sciences & Ecology
GA 692SA
UT WOS:000285174200008
PM 20952106
ER
PT J
AU Li, L
Chen, CH
Huang, C
Huang, HY
Zhang, GF
Wang, YJ
Chen, MH
Wang, HL
Chen, YR
Streets, DG
Fu, JM
AF Li, Li
Chen, Changhong
Huang, Cheng
Huang, Haiying
Zhang, Gangfeng
Wang, Yangjun
Chen, Minghua
Wang, Hongli
Chen, Yiran
Streets, D. G.
Fu, Jiamo
TI Ozone sensitivity analysis with the MM5-CMAQ modeling system for
Shanghai
SO JOURNAL OF ENVIRONMENTAL SCIENCES
LA English
DT Article
DE ozone sensitivity; indicators; Shanghai
ID EASTERN CHINA; SURFACE OZONE; URBAN; EMISSIONS; NOX; HYDROCARBONS;
ENVIRONMENTS; SITE
AB Ozone has become one of the most important air pollution issues around the world. This article applied both O-3/(NOy-NOx) and H2O2/HNO3 indicators to analyze the ozone sensitivity in urban and rural areas of Shanghai, with implementation of the MM5-CMAQ modeling system in July, 2007. The meteorological parameters were obtained by using the MM5 model. A regional emission inventory with spatial and temporal allocation based on the statistical data has been developed to provide input emission data to the MM5-CMAQ modeling system. Results showed that the ozone concentrations in Shanghai show clear regional differences. The ozone concentration in rural areas was much higher than that in the urban area. Two indicators showed that ozone was more sensitive to VOCs in urban areas, while it tended to be NOx sensitive in rural areas of Shanghai.
C1 [Li, Li; Chen, Changhong; Huang, Cheng; Huang, Haiying; Zhang, Gangfeng; Chen, Minghua; Wang, Hongli; Chen, Yiran] Shanghai Acad Environm Sci, Shanghai 200233, Peoples R China.
[Li, Li; Wang, Yangjun; Fu, Jiamo] Shanghai Univ, Sch Environm & Chem Engn, Inst Environm Pollut & Hlth, Shanghai 200444, Peoples R China.
[Streets, D. G.] Argonne Natl Lab, Decis & Informat Sci Div, Argonne, IL 60439 USA.
RP Chen, CH (reprint author), Shanghai Acad Environm Sci, Shanghai 200233, Peoples R China.
EM lili@saes.sh.cn; chench@saes.sh.cn
RI Huang, Cheng/I-7099-2015;
OI Streets, David/0000-0002-0223-1350
FU Chinese National Key Technology RD Program [2009BAK43B33]
FX This work was supported by the Chinese National Key Technology R&D
Program (No. 2009BAK43B33). The authors would like to thank US EPA for
providing the CMAQ model code, full model documentation, and assistance
with model set-up and running.
NR 40
TC 9
Z9 16
U1 4
U2 22
PU SCIENCE PRESS
PI BEIJING
PA 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
SN 1001-0742
EI 1878-7320
J9 J ENVIRON SCI-CHINA
JI J. Environ. Sci.
PY 2011
VL 23
IS 7
BP 1150
EP 1157
DI 10.1016/S1001-0742(10)60527-X
PG 8
WC Environmental Sciences
SC Environmental Sciences & Ecology
GA 798JL
UT WOS:000293201900013
PM 22125908
ER
PT J
AU Harendra, S
Vipulanandan, C
AF Harendra, Sivaram
Vipulanandan, Cumaraswamy
TI Solubilization and degradation of perchloroethylene (PCE) in cationic
and nonionic surfactant solutions
SO JOURNAL OF ENVIRONMENTAL SCIENCES
LA English
DT Article
DE Fe-Ni particles; perchloroethylene (PCE); solubilization; degradation
ID BIMETALLIC PARTICLES; DECHLORINATION; TETRACHLOROETHENE; BIOSURFACTANT;
MICROEMULSION
AB Solubilization of perchloroethylene (PCE) in a nonionic (Triton X-100) and a cationic (cetyltrimethylammonium bromide (CTAB)) surfactant solutions and the degradation of surfactant solubilized PCE using fine to nanosize Fe and bi-metallic Fe-Ni particles were investigated. Micelle partition coefficients (K-m) and molar solubility ratio (MSR) for PCE in 10 g/L of surfactant solutions have been quantified and the solubility of PCE (100 mg/L in water) in the surfactant solutions increased by about ten fold. Of the two surfactants studied, Triton X-100 solubilized the higher amount of PCE per gram of surfactant. To degrade solubilized PCE, both iron and bimetallic Fe-Ni particles were used in continuously stirred batch reactors. The iron and bi-metallic particles were synthesized using the solution method and the particles were characterized using the SEM, EDS, TEM and XRD. The PCE solubilized up to 500 mg/L in both surfactant solutions were totally degraded at various rates by 200 g/L of hi-metallic Fe-Ni particles in less than 20 hr, which is the highest concentration of PCE degraded in the shortest time compared to data in the literature. The degradations of PCE solubilized in surfactant solutions were represented by nonlinear kinetic relationships which depended on the type of surfactant used for solubilizing the PCE.
C1 [Vipulanandan, Cumaraswamy] Univ Houston, Houston, TX 77204 USA.
[Harendra, Sivaram] Natl Energy Technol Lab, Dept Energy, Albany, OR 97321 USA.
RP Vipulanandan, C (reprint author), Univ Houston, N107 Engn Bldg 1, Houston, TX 77204 USA.
EM ps_harendra@yahoo.com; cvipulanandan@uh.edu
FU Center for Innovative Grouting Materials and Technology (CIGMAT) at the
University of Houston; Texas Hazardous Waste Research Center and Texas
Higher Education Coordinating Board (THECB)
FX This study was supported by the Center for Innovative Grouting Materials
and Technology (CIGMAT) at the University of Houston with funding from
the Texas Hazardous Waste Research Center and Texas Higher Education
Coordinating Board (THECB). The contents do not necessarily reflect the
views and policies of the funding agencies.
NR 39
TC 6
Z9 6
U1 1
U2 4
PU SCIENCE PRESS
PI BEIJING
PA 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
SN 1001-0742
EI 1878-7320
J9 J ENVIRON SCI-CHINA
JI J. Environ. Sci.
PY 2011
VL 23
IS 8
BP 1240
EP 1248
DI 10.1016/S1001-0742(10)60576-1
PG 9
WC Environmental Sciences
SC Environmental Sciences & Ecology
GA 812TF
UT WOS:000294315100002
PM 22128529
ER
PT J
AU Wang, F
Huang, W
Zhang, YF
Wang, MY
Sun, LN
Tang, B
Wang, W
AF Wang, Feng
Huang, Wei
Zhang, Yunfeng
Wang, Mingyin
Sun, Lina
Tang, Bo
Wang, Wei
TI Determination of Protein by Fluorescence Enhancement of Curcumin in
Lanthanum-Curcumin-Sodium Dodecyl Benzene Sulfonate-Protein System
SO JOURNAL OF FLUORESCENCE
LA English
DT Article
DE Fluorescence; Spectral analysis; Protein; La(3+); Curcumin; Surfactant
ID LIGHT-SCATTERING TECHNIQUE; CAPILLARY-ELECTROPHORESIS; ENERGY-TRANSFER;
ANTIOXIDANT; QUANTITIES; PEPTIDES; CELLS; PROBE
AB We found that the fluorescence intensity of the lanthanum (La(3+))-curcumin (CU) complex can be highly enhanced by proteins in the presence of sodium dodecyl benzene sulphonate (SDBS). Based on this finding, a new fluorimetric method for the determination of protein was developed. Under optimized conditions, the enhanced intensities of fluorescence are quantitatively in proportion to the concentrations of proteins in the range 0.0080-20.0 mu g center dot mL(-1) for bovine serum albumin (BSA) and 0.00080-20.0 mu g center dot mL(-1) for human serum albumin (HSA) with excitation of 425 nm, and 0.00020-20.0 mu g center dot mL(-1) for bovine serum albumin (BSA) and 0.00080-20.0 mu g center dot mL(-1)for human serum albumin (HSA) with excitation of 280 nm, while corresponding qualitative detection limits (S/N a parts per thousand yenaEuro parts per thousand 3) are as low as 5.368, 0.573, 0.049, 0.562 A mu g center dot mL(-1), respectively. Study on reaction mechanism reveals that proteins can bind with La(3+), CU and SDBS through self-assembling function with electrostatic attraction, hydrogen bonding, hydrophobic interaction and van der Waals forces, etc. The proteins form a supermolecular association with multilayer structure, in which La(3+)-CU is clamped between BSA and SDBS. The unique high fluorescence enhancement of CU is resulted through synergic effects of favorable hydrophobic microenvironment provided by BSA and SDBS, and efficient intermolecular energy transfer among BSA, SDBS and CU. In energy transfer process, La(3+) plays a crucial role because it not only shortens the distance between SDBS and CU, but also acts as a "bridge" for transferring the energy from BSA to CU.
C1 [Wang, Feng; Huang, Wei; Zhang, Yunfeng; Wang, Mingyin; Sun, Lina] Zaozhuang Univ, Dept Chem, Zaozhuang 277160, Peoples R China.
[Tang, Bo] Shandong Normal Univ, Coll Chem Chem Engn & Mat Sci, Jinan 250014, Peoples R China.
[Wang, Wei] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA.
RP Wang, F (reprint author), Zaozhuang Univ, Dept Chem, Zaozhuang 277160, Peoples R China.
EM wf332@uzz.edu.cn; wangw@ornl.gov
RI Wang, Wei/B-5924-2012
FU Natural Science Foundations of Shandong Province, P. R. China [Y2008B36]
FX The research is sponsored by Natural Science Foundations of Shandong
Province, P. R. China, through the project #Y2008B36.
NR 43
TC 2
Z9 2
U1 1
U2 13
PU SPRINGER/PLENUM PUBLISHERS
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1053-0509
J9 J FLUORESC
JI J. Fluoresc.
PD JAN
PY 2011
VL 21
IS 1
BP 25
EP 34
DI 10.1007/s10895-010-0686-1
PG 10
WC Biochemical Research Methods; Chemistry, Analytical; Chemistry, Physical
SC Biochemistry & Molecular Biology; Chemistry
GA 716CV
UT WOS:000286943500004
PM 20607371
ER
PT J
AU Dukowicz, JK
Price, SF
Lipscomb, WH
AF Dukowicz, John K.
Price, Stephen F.
Lipscomb, William H.
TI Incorporating arbitrary basal topography in the variational formulation
of ice-sheet models
SO JOURNAL OF GLACIOLOGY
LA English
DT Article
ID FLOW; DYNAMICS; GLACIER
AB There are many advantages to formulating an ice-sheet model in terms of a variational principle. In particular, this applies to the specification of boundary conditions, which might otherwise be problematic to implement. Here we focus primarily on the frictional basal sliding boundary condition in a non-Newtonian Stokes model. This type of boundary condition is particularly difficult because it is heterogeneous, requiring both a Dirichlet (no-penetration) condition normal to the bed, and a Neumann (frictional sliding) condition tangential to the bed. In general, Neumann conditions correspond to natural boundary conditions in a variational principle; that is, they arise naturally in the variational formulation and thus need not be explicitly specified. While the same is not necessarily true of Dirichlet conditions, it is possible to enforce a no-penetration condition using Lagrange multipliers within the variational principle so that the Dirichlet condition becomes a natural boundary condition. Thus, in the case of ice sheets, all relevant boundary conditions may be incorporated in the variational functional, making them particularly easy to discretize. For the Stokes model, the resulting basal boundary condition is valid for arbitrary topographic slopes. Here we apply the same methodology to the Blatter Pattyn higher-order approximate model, which is ordinarily limited to small basal slopes by the small-aspect-ratio approximation. We introduce a modification that improves on the accuracy of the standard Blatter Pattyn model for all values of the basal slope, as we demonstrate in the slow sliding regime for which analytical results are available. The remaining error is due to the effects of the small-aspect-ratio approximation in the Blatter Pattyn model.
C1 [Dukowicz, John K.; Price, Stephen F.; Lipscomb, William H.] Los Alamos Natl Lab, Climate Ocean & Sea Ice Modeling Project, Los Alamos, NM 87545 USA.
RP Dukowicz, JK (reprint author), Los Alamos Natl Lab, Climate Ocean & Sea Ice Modeling Project, POB 1663, Los Alamos, NM 87545 USA.
EM sprice@lanl.gov
RI Price, Stephen /E-1568-2013
OI Price, Stephen /0000-0001-6878-2553
NR 10
TC 3
Z9 3
U1 0
U2 1
PU CAMBRIDGE UNIV PRESS
PI CAMBRIDGE
PA EDINBURGH BLDG, SHAFTESBURY RD, CB2 8RU CAMBRIDGE, ENGLAND
SN 0022-1430
EI 1727-5652
J9 J GLACIOL
JI J. Glaciol.
PY 2011
VL 57
IS 203
BP 461
EP 467
PG 7
WC Geography, Physical; Geosciences, Multidisciplinary
SC Physical Geography; Geology
GA 799YX
UT WOS:000293324300008
ER
PT J
AU Carter, SP
Fricker, HA
Blankenship, DD
Johnson, JV
Lipscomb, WH
Price, SF
Young, DA
AF Carter, Sasha P.
Fricker, Helen A.
Blankenship, Donald D.
Johnson, Jesse V.
Lipscomb, William H.
Price, Stephen F.
Young, Duncan A.
TI Modeling 5 years of subglacial lake activity in the MacAyeal Ice Stream
(Antarctica) catchment through assimilation of ICESat laser altimetry
SO JOURNAL OF GLACIOLOGY
LA English
DT Article
ID WEST ANTARCTICA; EAST ANTARCTICA; RADAR INTERFEROMETRY; WATER-PRESSURE;
STICKY SPOTS; MASS-BALANCE; SHEET; SYSTEM; GLACIER; BENEATH
AB Subglacial lakes beneath Antarctica's fast-moving ice streams are known to undergo similar to 1 km(3) volume changes on annual timescales. Focusing on the MacAyeal Ice Stream (MacIS) lake system, we create a simple model for the response of subglacial water distribution to lake discharge events through assimilation of lake volume changes estimated from Ice, Cloud and land Elevation Satellite (ICESat) laser altimetry. We construct a steady-state water transport model in which known subglacial lakes are treated as either sinks or sources depending on the ICESat-derived filling or draining rates. The modeled volume change rates of five large subglacial lakes in the downstream portion of MacIS are shown to be consistent with observed filling rates if the dynamics of all upstream lakes are considered. However, the variable filling rate of the northernmost lake suggests the presence of an undetected lake of similar size upstream. Overall, we show that, for this fast-flowing ice stream, most subglacial lakes receive >90% of their water from distant distributed sources throughout the catchment, and we confirm that water is transported from regions of net basal melt to regions of net basal freezing. Our study provides a geophysically based means of validating subglacial water models in Antarctica and is a potential way to parameterize subglacial lake discharge events in large-scale ice-sheet models where adequate data are available.
C1 [Carter, Sasha P.; Fricker, Helen A.] Univ Calif San Diego, Inst Geophys & Planetary Phys, Scripps Inst Oceanog, La Jolla, CA 92093 USA.
[Blankenship, Donald D.; Young, Duncan A.] Univ Texas Austin, Inst Geophys UTIG, John A & Katherine G Jackson Sch Geosci, Austin, TX 78758 USA.
[Johnson, Jesse V.] Univ Montana, Dept Comp Sci, Missoula, MT 59812 USA.
[Lipscomb, William H.; Price, Stephen F.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Carter, SP (reprint author), Univ Calif San Diego, Inst Geophys & Planetary Phys, Scripps Inst Oceanog, 9500 Gilman Dr, La Jolla, CA 92093 USA.
EM spcarter@ucsd.edu
RI Price, Stephen /E-1568-2013; Young, Duncan/G-6256-2010
OI Price, Stephen /0000-0001-6878-2553; Young, Duncan/0000-0002-6866-8176
FU NASA [NNX07AL18G, NNX08AN68G]; US National Science Foundation
[OPP-9120464, OPP-9319369]; Scripps Institution of Oceanography;
Institute of Geophysics and Planetary Physics of Los Alamos National
Laboratory LLC [73593-001-09]
FX ICESat data analysis was funded through NASA Award NNX07AL18G. RES data
collection was funded by NASA grant NNX08AN68G. The University of Texas
Institute for Geophysics Support Office for Aerogeophysical Research
through which many of the RES data in this paper were collected was
supported by US National Science Foundation grant OPP-9120464,
OPP-9319369. Funding during the analysis and writing was provided by the
Scripps Institution of Oceanography Postdoctoral Program and the
Institute of Geophysics and Planetary Physics of Los Alamos National
Laboratory LLC subcontract No. 73593-001-09. The manuscript was improved
by comments from and conversations with H. Pritchard, R. Bindschadler,
T. Creyts, J. MacGregor, T. Haran, T. Scambos, C. Jackson and A. Le
Brocq.
NR 66
TC 17
Z9 18
U1 1
U2 10
PU CAMBRIDGE UNIV PRESS
PI CAMBRIDGE
PA EDINBURGH BLDG, SHAFTESBURY RD, CB2 8RU CAMBRIDGE, ENGLAND
SN 0022-1430
EI 1727-5652
J9 J GLACIOL
JI J. Glaciol.
PY 2011
VL 57
IS 206
BP 1098
EP 1112
PG 15
WC Geography, Physical; Geosciences, Multidisciplinary
SC Physical Geography; Geology
GA 864GC
UT WOS:000298224000011
ER
PT J
AU Cotta, RC
Conley, JA
Gainer, JS
Hewett, JL
Rizzo, TG
AF Cotta, R. C.
Conley, J. A.
Gainer, J. S.
Hewett, J. L.
Rizzo, T. G.
TI Cosmic ray anomalies from the MSSM?
SO JOURNAL OF HIGH ENERGY PHYSICS
LA English
DT Article
DE Cosmology of Theories beyond the SM; Supersymmetric Standard Model
ID SUPERSYMMETRIC DARK-MATTER; SOLAR MODULATION; DIFFUSION-MODEL; HELIUM
SPECTRA; ENERGY-SPECTRA; ELECTRONS; PROPAGATION; GALAXY; GAMMA;
SPECTROMETER
AB The recent positron excess in cosmic rays (CR) observed by the PAMELA satellite may be a signal for dark matter (DM) annihilation. When these measurements are combined with those from FERMI on the total (e(+) + e(-)) flux and from PAMELA itself on the (p) over bar /p ratio, these and other results are difficult to reconcile with traditional models of DM, including the conventional mSUGRA version of Supersymmetry even if boosts as large as 10(3-4) are allowed. In this paper, we combine the results of a previously obtained scan over a more general 19-parameter subspace of the MSSM with a corresponding scan over astrophysical parameters that describe the propagation of CR. We then ascertain whether or not a good fit to this CR data can be obtained with relatively small boost factors while simultaneously satisfying the additional constraints arising from gamma ray data. We find that a specific subclass of MSSM models where the LSP is mostly pure bino and annihilates almost exclusively into tau pairs comes very close to satisfying these requirements. The lightest (tau) over tilde in this set of models is found to be relatively close in mass to the LSP and is in some cases the nLSP. These models lead to a significant improvement in the overall fit to the data by an amount Delta chi(2) similar to 1/dof in comparison to the best fit without Supersymmetry while employing boosts similar to 100. The implications of these models for future experiments are discussed.
C1 [Cotta, R. C.; Hewett, J. L.; Rizzo, T. G.] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA.
[Conley, J. A.] Univ Bonn, Inst Phys, D-5300 Bonn, Germany.
[Gainer, J. S.] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA.
[Gainer, J. S.] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA.
RP Cotta, RC (reprint author), SLAC Natl Accelerator Lab, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA.
EM rcotta@stanford.edu; conley@th.physik.uni-bonn.de; jgainer@hep.anl.gov;
hewett@slac.stanford.edu; rizzo@slac.stanford.edu
OI Gainer, James/0000-0002-8872-0664
FU Department of Energy [DE-AC02-76SF00515]; NSF; BMBF [05H09PDE]; U.S.
Department of Energy [DE-AC02-06CH11357, DE-FG02-91ER40684]
FX Work supported by the Department of Energy, Contract DE-AC02-76SF00515.;
The authors would like to thank M.P. Le, T. Porter and G. Tarle for
discussions related to this work. They would also like to thank M.P. Le
for computational aid. The work of R.C.C. is supported in part by an NSF
Graduate Fellowship. The work of J.A.C. is supported by the BMBF
"Verbundprojekt HEP-Theorie" under contract 05H09PDE. The work of J.S.G.
is supported in part by the U.S. Department of Energy under contracts
No. DE-AC02-06CH11357 and No. DE-FG02-91ER40684.
NR 117
TC 8
Z9 8
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 JAN
PY 2011
IS 1
AR 064
DI 10.1007/JHEP01(2011)064
PG 53
WC Physics, Particles & Fields
SC Physics
GA 729GY
UT WOS:000287937900016
ER
PT J
AU Khachatryan, V
Sirunyan, AM
Tumasyan, A
Adam, W
Bergauer, T
Dragicevic, M
Ero, J
Fabjan, C
Friedl, M
Fruhwirth, R
Ghete, VM
Hammer, J
Hansel, S
Hartl, C
Hoch, M
Homann, N
Hrubec, J
Jeitler, M
Kasieczka, G
Kiesenhofer, W
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
Ceard, L
Cerny, K
De Wolf, EA
Janssen, X
Maes, T
Mucibello, L
Ochesanu, S
Roland, B
Rougny, R
Selvaggi, M
Van Haevermaet, H
Van Mechelen, P
Van Remortel, N
Adler, V
Beauceron, S
Blekman, F
Blyweert, S
D'Hondt, J
Devroede, O
Suarez, RG
Kalogeropoulos, A
Maes, J
Maes, M
Tavernier, S
Van Doninck, W
Van Mulders, P
Van Onsem, GP
Villella, I
Charaf, O
Clerbaux, B
De Lentdecker, G
Dero, V
Gay, APR
Hammad, GH
Hreus, T
Marage, PE
Thomas, L
Vander Velde, C
Vanlaer, P
Wickens, J
Costantini, S
Grunewald, M
Klein, B
Marinov, A
Mccartin, J
Ryckbosch, D
Thyssen, F
Tytgat, M
Vanelderen, L
Verwilligen, P
Walsh, S
Zaganidis, N
Basegmez, S
Bruno, G
Caudron, J
De Jeneret, JDF
Delaere, C
Demin, P
Favart, D
Giammanco, A
Gregoire, G
Hollar, J
Lemaitre, V
Liao, J
Militaru, O
Ovyn, S
Pagano, D
Pin, A
Piotrzkowski, K
Quertenmont, L
Schul, N
Beliy, N
Caebergs, T
Daubie, E
Alves, GA
Damiao, DD
Pol, ME
Souza, MHG
Carvalho, W
Da Costa, EM
Martins, CD
De Souza, SF
Mundim, L
Nogima, H
Oguri, V
Da Silva, WLP
Santoro, A
Do Amaral, SMS
Sznajder, A
Araujo, FTD
Dias, FA
Dias, MAF
Tomei, TRFP
Gregores, EM
Marinho, F
Novaes, SF
Padula, SS
Darmenov, N
Dimitrov, L
Genchev, V
Iaydjiev, P
Piperov, S
Rodozov, M
Stoykova, S
Sultanov, G
Tcholakov, V
Trayanov, R
Vankov, I
Dyulendarova, M
Hadjiiska, R
Kozhuharov, V
Litov, L
Marinova, E
Mateev, M
Pavlov, B
Petkov, P
Bian, JG
Chen, GM
Chen, HS
Jiang, CH
Liang, D
Liang, S
Wang, J
Wang, J
Wang, X
Wang, Z
Xu, M
Yang, M
Zang, J
Zhang, Z
Ban, Y
Guo, S
Li, W
Mao, Y
Qian, SJ
Teng, H
Zhu, B
Cabrera, A
Moreno, BG
Rios, AAO
Oliveros, AFO
Sanabria, JC
Godinovic, N
Lelas, D
Lelas, K
Plestina, R
Polic, D
Puljak, I
Antunovic, Z
Dzelalija, M
Brigljevic, V
Duric, S
Kadija, K
Morovic, S
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CA CMS collaboration
TI Measurements of inclusive W and Z cross sections in pp collisions at
root s=7 TeV
SO JOURNAL OF HIGH ENERGY PHYSICS
LA English
DT Article
DE Hadron-Hadron Scattering
ID LHC
AB Measurements of inclusive W and Z boson production cross sections in pp collisions at root s = 7 TeV are presented, based on 2 : 9 pb(-1) of data recorded by the CMS detector at the LHC. The measurements, performed in the electron and muon decay channels, are combined to give sigma(pp -> WX) x B (W -> lv) = 9.95 +/- 0.07 (stat.) +/- 0.28 (syst.) +/- 1.09 (lumi.) nb and sigma(pp -> ZX) x B (Z -> l(+)l(-)) = 0.931 +/- 0.026 (stat.) +/- 0.023 (syst.) +/- 0.102 (lumi.) nb, where l stands for either e or mu. Theoretical predictions, calculated at the next-to-next-to-leading order in QCD using recent parton distribution functions, are in agreement with the measured cross sections. Ratios of cross sections, which incur an experimental systematic uncertainty of less than 4%, are also reported.
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[Adam, W.; Bergauer, T.; Dragicevic, M.; Eroe, J.; Fabjan, C.; Friedl, M.; Fruehwirth, R.; Ghete, V. M.; Hammer, J.; Haensel, S.; Hartl, C.; Hoch, M.; Hoermann, N.; Hrubec, J.; Jeitler, M.; Kasieczka, G.; Kiesenhofer, W.; 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.
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[Adler, V.; Beauceron, S.; Blekman, F.; Blyweert, S.; D'Hondt, J.; Devroede, O.; Suarez, R. Gonzalez; Kalogeropoulos, A.; Maes, J.; Maes, M.; Tavernier, S.; Van Doninck, W.; Van Mulders, P.; Van Onsem, G. P.; Villella, I.] Vrije Univ Brussel, Brussels, Belgium.
[Charaf, O.; Clerbaux, B.; De Lentdecker, G.; Dero, V.; Gay, A. P. R.; Hammad, G. H.; Hreus, T.; Marage, P. E.; Thomas, L.; Vander Velde, C.; Vanlaer, P.; Wickens, J.] Univ Libre Bruxelles, Brussels, Belgium.
[Costantini, S.; Grunewald, M.; Klein, B.; Marinov, A.; Mccartin, J.; Ryckbosch, D.; Thyssen, F.; Tytgat, M.; Vanelderen, L.; Verwilligen, P.; Walsh, S.; Zaganidis, N.] Univ Ghent, B-9000 Ghent, Belgium.
[Basegmez, S.; Bruno, G.; Caudron, J.; De Jeneret, J. De Favereau; Delaere, C.; Demin, P.; Favart, D.; Giammanco, A.; Gregoire, G.; Hollar, J.; Lemaitre, V.; Liao, J.; Militaru, O.; Ovyn, S.; Pagano, D.; Pin, A.; Piotrzkowski, K.; Quertenmont, L.; Schul, N.] Catholic Univ Louvain, B-3000 Louvain, Belgium.
[Beliy, N.; Caebergs, T.; Daubie, E.] Univ Mons, B-7000 Mons, Belgium.
[Alves, G. A.; De Jesus Damiao, D.; Pol, M. E.; Souza, M. H. G.] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil.
[Carvalho, W.; Da Costa, E. M.; De Oliveira Martins, C.; Fonseca De Souza, S.; Mundim, L.; Nogima, H.; Oguri, V.; Prado Da Silva, W. L.; 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.; Fernandez Perez Tomei, T. R.; Gregores, E. M.; Marinho, F.; Novaes, S. F.; Padula, Sandra S.] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil.
[Darmenov, N.; Dimitrov, L.; Genchev, V.; Iaydjiev, P.; Piperov, S.; Rodozov, M.; Stoykova, S.; Sultanov, G.; Tcholakov, V.; Trayanov, R.; Vankov, I.] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia, Bulgaria.
[Dyulendarova, M.; Hadjiiska, R.; Kozhuharov, V.; Litov, L.; Marinova, E.; Mateev, M.; Pavlov, B.; Petkov, P.] Univ Sofia, BU-1126 Sofia, Bulgaria.
[Bian, J. G.; Chen, G. M.; Chen, H. S.; Jiang, C. H.; Liang, S.; Wang, J.; Wang, X.; Wang, Z.; Xu, M.; Yang, M.; Zang, J.; Zhang, J.] Inst High Energy Phys, Beijing 100039, Peoples R China.
[Ban, Y.; Guo, S.; Li, W.; Mao, Y.; Qian, S. J.; Teng, H.; Zhu, B.] Peking Univ, State Key Lab Nucl Phys & Tech, Beijing 100871, Peoples R China.
[Cabrera, A.; Gomez Moreno, B.; Ocampo Rios, A. A.; Osorio Oliveros, A. F.; Sanabria, J. C.] Univ Los Andes, Bogota, Colombia.
[Godinovic, N.; Lelas, D.; 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.; Galanti, M.; Mousa, J.; Nicolaou, C.; Ptochos, F.; Razis, P. A.; Rykaczewski, H.] Univ Cyprus, Nicosia, Cyprus.
[Assran, Y.; Mahmoud, M. A.] Egyptian Network High Energy Phys, Acad Sci Res & Technol Arab Republ Egypt, Cairo, Egypt.
[Hektor, A.; Kadastik, M.; Kannike, K.; Muentel, M.; Raidal, M.; Rebane, L.] NICPB, Tallinn, Estonia.
[Azzolini, V.; 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.; 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.; Shreyber, I.; Titov, M.; Verrecchia, P.] CEA Saclay, DSM IRFU, F-91191 Gif Sur Yvette, France.
[Baffioni, S.; Beaudette, F.; Bianchini, L.; Bluj, M.; Broutin, C.; Busson, P.; Charlot, C.; Dahms, T.; Dobrzynski, L.; de Cassagnac, R. Granier; Haguenauer, M.; Mine, P.; Mironov, C.; Ochando, C.; Paganini, P.; Sabes, D.; Salerno, R.; Sirois, Y.; Thiebaux, C.; Wyslouch, B.; Zabi, A.] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France.
[Agram, J. -L.; Andrea, J.; Besson, A.; Bloch, D.; Bodin, D.; Brom, J. -M.; Cardaci, M.; Chabert, E. C.; Collard, C.; Conte, E.; Drouhin, F.; Ferro, C.; Fontaine, J. -C.; Gele, D.; Goerlach, U.; Greder, S.; Juillot, P.; Karim, M.; Le Bihan, A. -C.; Mikami, Y.; Van Hove, P.] Univ Haute Alsace Mulhouse, Univ Strasbourg, Inst Pluridisciplinaire Hubert Curien, CNRS,IN2P3, Strasbourg, France.
[Fassi, F.; Mercier, D.] Inst Natl Phys Nucl & Phys Particules IN2P3, Ctr Calcul, Villeurbanne, France.
[Bruno, G.; Baty, C.; Beaupere, N.; Bedjidian, M.; Bondu, O.; Boudoul, G.; Boumediene, D.; Chanon, N.; Chierici, R.; Contardo, D.; Depasse, P.; El Mamouni, H.; Falkiewicz, A.; Fay, J.; Gascon, S.; Ille, B.; Kurca, T.; Le Grand, T.; Lethuillier, M.; Mirabito, L.; Perries, S.; Sordini, V.; Tosi, S.; Tschudi, Y.; Verdier, P.; Xiao, H.] Univ Lyon 1, CNRS, IN2P3, Inst Phys Nucl Lyon, F-69622 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.; 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.
[Ata, M.; Bender, W.; Erdmann, M.; Frangenheim, J.; Hebbeker, T.; Hinzmann, A.; Hoepfner, K.; Hof, C.; Klimkovich, T.; Klingebiel, D.; Kreuzer, P.; Lanske, D.; Magass, C.; Masetti, G.; Merschmeyer, M.; Meyer, A.; Papacz, P.; Pieta, H.; Reithler, H.; Schmitz, S. A.; Sonnenschein, L.; Steggemann, J.; Teyssier, D.] 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.; Rennefeld, J.; Sauerland, P.; Stahl, A.; Thomas, M.; Tornier, D.; Zoeller, M. H.] Rhein Westfal TH Aachen, Phys Inst B 3, Aachen, Germany.
[Martin, M. Aldaya; Behrenhoff, W.; Behrens, U.; Bergholz, M.; Borras, K.; Cakir, A.; Campbell, A.; Castro, E.; Dammann, D.; Eckerlin, G.; Eckstein, D.; Flossdorf, A.; Flucke, G.; Geiser, A.; Glushkov, I.; Hauk, J.; Jung, H.; Kasemann, M.; Katkov, I.; Katsas, P.; Kleinwort, C.; Kluge, H.; Knutsson, A.; Kruecker, D.; Kuznetsova, E.; Lange, W.; Lohmann, W.; Mankel, R.; Marienfeld, M.; Melzer-Pellmann, I. -A.; Meyer, A. B.; Mnich, J.; Mussgiller, A.; Olzem, J.; Parenti, A.; Raspereza, A.; Raval, A.; Schmidt, R.; Schoerner-Sadenius, T.; Sen, N.; Stein, M.; Tomaszewska, J.; Volyanskyy, D.; Walsh, R.; Wissing, C.] DESY, Hamburg, Germany.
[Autermann, C.; Bobrovskyi, S.; Draeger, J.; Enderle, H.; Gebbert, U.; Kaschube, K.; Kaussen, G.; Klanner, R.; Lange, J.; Mura, B.; Naumann-Emme, S.; Nowak, F.; Pietsch, N.; Sander, C.; Schettler, H.; Schleper, P.; Schroeder, M.; Schum, T.; Schwandt, J.; Srivastava, A. K.; Stadie, H.; Steinbrueck, G.; Thomsen, J.; Wolf, R.] Univ Hamburg, Hamburg, Germany.
[Bauer, J.; Buege, V.; Chwalek, T.; De Boer, W.; Dierlamm, A.; Dirkes, G.; Feindt, M.; Gruschke, J.; Hackstein, C.; Hartmann, F.; Heindl, S. M.; Heinrich, M.; Held, H.; 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.; Ratnikov, F.; Renz, M.; Saout, C.; Scheurer, A.; Schieferdecker, P.; Schilling, F. -P.; Schott, G.; Simonis, H. J.; Stober, F. M.; Troendle, D.; Wagner-Kuhr, J.; Zeise, M.; Zhukov, V.; Ziebarth, E. B.] Univ Karlsruhe, Inst Expt Kernphys, D-7500 Karlsruhe, Germany.
[Daskalakis, G.; Geralis, T.; Kesisoglou, S.; Kyriakis, A.; Loukas, D.; Manolakos, I.; Markou, A.; Markou, C.; Mavrommatis, C.; Petrakou, E.] Inst Nucl Phys Demokritos, Aghia Paraskevi, Greece.
[Gouskos, L.; Mertzimekis, T. J.; Panagiotou, A.; Sphicas, P.] Univ Athens, Athens, Greece.
[Evangelou, I.; Foudas, C.; Kokkas, P.; Manthos, N.; Papadopoulos, I.; Patras, V.; Triantis, F. A.] Univ Ioannina, GR-45110 Ioannina, Greece.
[Benucci, L.; Aranyi, A.; Bencze, G.; Boldizsar, L.; Debreczeni, G.; Hajdu, C.; Horvath, D.; Kapusi, A.; Krajczar, K.; Laszlo, A.; Sikler, F.; Vesztergombi, G.; Pasztor, 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.; Dhingra, N.; Jindal, M.; Kaur, M.; Kohli, J. M.; Mehta, M. Z.; Nishu, N.; Saini, L. K.; Sharma, A.; Singh, A. P.; Singh, J. B.; Singh, S. P.] Panjab Univ, Chandigarh 160014, India.
[Ahuja, S.; Bhattacharya, S.; Choudhary, B. C.; Gupta, P.; Jain, S.; Kumar, A.; 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.; Mohanty, G. B.; Saha, A.; Sudhakar, K.; Wickramage, N.] Tata Inst Fundamental Res, EHEP, Mumbai 400005, Maharashtra, India.
[Guchait, M.; Banerjee, S.; Dugad, S.; Mondal, N. K.] Tata Inst Fundamental Res, HECR, Bombay 400005, Maharashtra, India.
[Arfaei, H.; Bakhshiansohi, H.; Etesami, S. M.; Fahim, A.; Hashemi, M.; Jafari, A.; Khakzad, M.; Mohammadi, A.; Najafabadi, M. Mohammadi; Mehdiabadi, S. Paktinat; Safarzadeh, B.; Zeinali, M.] Inst Studies Theoret Phys & Math IPM, Tehran, Iran.
[Abbrescia, M.; Barbone, L.; Calabria, C.; Colaleo, A.; Creanza, D.; De Filippis, N.; De Palma, M.; Dimitrov, A.; Fiore, L.; Iaselli, G.; Lusito, L.; Maggi, G.; Maggi, M.; Manna, N.; Marangelli, B.; My, S.; Nuzzo, S.; Pacifico, N.; Pierro, G. A.; Pompili, A.; Pugliese, G.; Romano, F.; Roselli, G.; Selvaggi, G.; Silvestris, L.; Trentadue, R.; Tupputi, S.; Zito, G.] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy.
[Abbrescia, M.; Barbone, L.; Calabria, C.; De Palma, M.; Lusito, L.; Manna, N.; Marangelli, B.; Nuzzo, S.; Pacifico, N.; Pompili, A.; Roselli, G.; Selvaggi, G.; Tupputi, S.] Univ Bari, Bari, Italy.
[Creanza, D.; De Filippis, N.; Iaselli, G.; Maggi, G.; My, S.; Pugliese, G.; Romano, F.] Politecn Bari, Bari, Italy.
[Abbiendi, G.; Benvenuti, A. C.; Bonacorsi, D.; Braibant-Giacomelli, S.; Capiluppi, P.; Castro, A.; Cavallo, F. R.; Cuffiani, M.; Dallavalle, G. M.; Fabbri, F.; Fanfani, A.; Fasanella, D.; Giacomelli, P.; Giunta, M.; Marcellini, S.; Meneghelli, M.; Montanari, A.; Navarria, F. L.; Odorici, F.; Perrotta, A.; Primavera, F.; Rossi, A. M.; Rovelli, T.; Siroli, G.; Travaglini, R.] Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy.
[Braibant-Giacomelli, S.; Capiluppi, P.; Castro, A.; Cuffiani, M.; Fanfani, A.; Meneghelli, M.; Navarria, F. L.; Rossi, A. M.; Rovelli, T.; Siroli, G.; Travaglini, R.] Univ Bologna, Bologna, Italy.
[Albergo, S.; Cappello, G.; Chiorboli, M.; Costa, S.; Tricomi, A.; Tuve, C.] Ist Nazl Fis Nucl, Sez Catania, I-95129 Catania, Italy.
[Albergo, S.; Cappello, G.; Chiorboli, M.; Costa, S.; Tricomi, A.] Univ Catania, Catania, Italy.
[Barbagli, G.; Ciulli, V.; Civinini, C.; D'Alessandro, R.; Focardi, E.; Frosali, S.; Gallo, E.; Genta, C.; Lenzi, P.; Meschini, M.; Paoletti, S.; Sguazzoni, G.; Tropiano, A.] Ist Nazl Fis Nucl, Sez Firenze, I-50125 Florence, Italy.
[Ciulli, V.; D'Alessandro, R.; Focardi, E.; Frosali, S.; Lenzi, P.] Univ Florence, Florence, Italy.
[Fabbri, F.; Benussi, L.; 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.; Di Matteo, L.; Ghezzi, A.; Malberti, M.; Malvezzi, S.; Martelli, A.; Massironi, A.; Menasce, D.; Moroni, L.; Paganoni, M.; Pedrini, D.; Ragazzi, S.; Redaelli, N.; Sala, S.; De Fatis, T. Tabarelli; Tancini, V.] Ist Nazl Fis Nucl, Sez Milano Biccoca, I-20133 Milan, Italy.
[Benaglia, A.; Cerati, G. B.; De Guio, F.; Di Matteo, L.; Ghezzi, A.; Malberti, M.; Martelli, A.; Massironi, A.; Paganoni, M.; Ragazzi, S.; De Fatis, T. Tabarelli; Tancini, V.] Univ Milano Bicocca, Milan, Italy.
[Buontempo, S.; Montoya, C. A. Carrillo; Cimmino, A.; De Cosa, A.; De Gruttola, M.; Fabozzi, F.; Iorio, A. O. M.; Lista, L.; Merola, M.; Noli, P.; Paolucci, P.] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy.
[Cimmino, A.; De Cosa, A.; De Gruttola, M.; Merola, M.; Noli, P.] Univ Napoli Federico II, Naples, Italy.
[Azzi, P.; Bacchetta, N.; Bellan, P.; Bisello, D.; Branca, A.; Carlin, R.; Checchia, P.; De Mattia, M.; Dorigo, T.; Dosselli, U.; Fanzago, F.; Gasparini, F.; Gasparini, U.; Giubilato, P.; Gresele, A.; Lacaprara, S.; Lazzizzera, I.; Margoni, M.; Mazzucato, M.; Meneguzzo, A. T.; Nespolo, M.; Perrozzi, L.; Pozzobon, N.; Ronchese, P.; Simonetto, F.; Torassa, E.; Tosi, M.; Vanini, S.; Zotto, P.; Zumerle, G.] Ist Nazl Fis Nucl, Sez Padova, Padua, Italy.
[Bellan, P.; Bisello, D.; Carlin, R.; De Mattia, M.; Gasparini, F.; Gasparini, U.; Giubilato, P.; Margoni, M.; Meneguzzo, A. T.; Pozzobon, N.; Ronchese, P.; Simonetto, F.; Tosi, M.; Vanini, S.; Zotto, P.; Zumerle, G.] Univ Padua, Padua, Italy.
[Gresele, A.] Univ Trento Trento, Padua, Italy.
[Baesso, P.; Berzano, U.; Riccardi, C.; Torre, P.; Vitulo, P.; Viviani, C.] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy.
[Baesso, 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.; Menichelli, M.; Nappi, A.; Santocchia, A.; Servoli, L.; Taroni, S.; Valdata, M.; Volpe, R.; Pioppi, M.] Ist Nazl Fis Nucl, Sez Perugia, I-06100 Perugia, Italy.
[Biasini, M.; Caponeri, B.; Fano, L.; Lariccia, P.; Lucaroni, A.; Mantovani, G.; Nappi, A.; Santocchia, A.; Taroni, S.; Valdata, M.; Volpe, R.; Pioppi, M.] Univ Perugia, I-06100 Perugia, Italy.
[Azzurri, P.; Bagliesi, G.; Bernardini, J.; Boccali, T.; Broccolo, G.; Castaldi, R.; D'Agnolo, R. T.; Dell'Orso, R.; Fiori, F.; Foa, L.; 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.; Broccolo, G.; D'Agnolo, R. T.; Foa, L.; Ligabue, F.; Sarkar, S.] 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.] 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.; Botta, C.; Cartiglia, N.; Castello, R.; Costa, M.; Demaria, N.; Graziano, A.; Mariotti, C.; Marone, M.; Maselli, S.; Migliore, E.; Mila, G.; Monaco, V.; Musich, M.; Obertino, M. M.; Pastrone, N.; Pelliccioni, M.; Romero, A.; Ruspa, M.; Sacchi, R.; Sola, V.; Solano, A.; Staiano, A.; Trocino, D.; Pereira, A. Vilela] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy.
[Amapane, N.; Argiro, S.; Botta, C.; Castello, R.; Costa, M.; Graziano, A.; Marone, M.; Migliore, E.; Mila, G.; Monaco, V.; Musich, M.; Pelliccioni, M.; Romero, A.; Sacchi, R.; Sola, V.; Solano, A.; Trocino, D.; Pereira, A. Vilela] Univ Turin, Turin, Italy.
[Arcidiacono, R.; Arneodo, M.; Obertino, M. M.; Ruspa, M.] Univ Piemonte Orientale Novara, Turin, Italy.
[Ambroglini, F.; Belforte, S.; Cossutti, F.; Della Ricca, G.; Gobbo, B.; Montanino, D.; Penzo, A.] Ist Nazl Fis Nucl, Sez Trieste, Trieste, Italy.
[Ambroglini, F.; Della Ricca, G.; Montanino, D.] Univ Trieste, Trieste, Italy.
[Heo, S. G.] Kangwon Natl Univ, Chunchon, South Korea.
[Chang, S.; Chung, J.; Kim, D. H.; Kim, G. N.; Kim, J. E.; Kong, D. J.; Park, H.; Son, D.; Son, D. C.] Kyungpook Natl Univ, Taegu, South Korea.
[Kim, Zero; Kim, J. Y.; Song, S.] Chonnam Natl Univ, Inst Universe & Elementary Particles, Kwangju, South Korea.
[Choi, S.; Hong, B.; Jo, M.; Kim, H.; Kim, J. H.; Kim, T. J.; Lee, K. S.; Moon, D. H.; Park, S. K.; Rhee, H. B.; Seo, E.; Shin, S.; Sim, K. S.] Korea Univ, Seoul, South Korea.
[Kim, H.; Choi, M.; Kang, S.; Park, C.; Park, I. C.; Park, S.; Ryu, G.] Univ Seoul, Seoul, South Korea.
[Choi, Y.; Choi, Y. K.; Goh, J.; Lee, J.; Lee, S.; Seo, H.; Yu, I.] Sungkyunkwan Univ, Suwon, South Korea.
[Bilinskas, M. J.; Grigelionis, I.; Janulis, M.; Martisiute, D.; Petrov, P.; Sabonis, T.] Vilnius State Univ, Vilnius, Lithuania.
[Castilla Valdez, H.; De La Cruz Burelo, E.; Lopez-Fernandez, R.; Sanchez Hernandez, A.; Villasenor-Cendejas, L. M.] IPN, Ctr Invest & Estudios Avanzados, Mexico City 07738, DF, Mexico.
[Carrillo Moreno, S.; Vazquez Valencia, F.] Univ Iberoamer, Mexico City, DF, Mexico.
[Salazar Ibarguen, H. A.] Benemerita Univ Autonoma Puebla, Puebla, Mexico.
[Casimiro Linares, E.; Morelos Pineda, A.; Reyes-Santos, M. A.] Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico.
[Allfrey, P.; Krofcheck, D.] Univ Auckland, Auckland 1, New Zealand.
[Butler, P. H.; Doesburg, R.; Silverwood, H.] 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.; Kalinowski, A.; Konecki, M.; Krolikowski, J.] Univ Warsaw, Inst Expt Phys, Fac Phys, Warsaw, Poland.
[Bluj, M.; Frueboes, T.; Gokieli, R.; Gorski, M.; Kazana, M.; Nawrocki, K.; Romanowska-Rybinska, K.; Szleper, M.; Wrochna, G.; Zalewski, P.] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland.
[Almeida, N.; David, A.; Faccioli, P.; Ferreira Parracho, P. G.; Gallinaro, M.; Martins, P.; Musella, P.; Nayak, A.; Ribeiro, P. Q.; Seixas, J.; Silva, P.; Varela, J.; Woehri, H. K.] Lab Instrumentacao & Fis Expt Particulas, Lisbon, Portugal.
[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.; Volodko, A.; Zarubin, A.] Joint Inst Nucl Res, Dubna, Russia.
[Bondar, N.; Golovtsov, V.; Ivanov, Y.; Kim, V.; Levchenko, P.; Murzin, V.; Oreshkin, V.; Smirnov, I.; Sulimov, V.; Uvarov, L.; Vavilov, S.; Vorobyev, A.] Petersburg Nucl Phys Inst, St Petersburg, Russia.
[Andreev, Yu.; Gninenko, S.; Golubev, N.; Kirsanov, M.; Krasnikov, N.; Matveev, V.; Pashenkov, A.; Toropin, A.; Troitsky, S.] Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
[Epshteyn, V.; Gavrilov, V.; Kaftanov, V.; Kossov, M.; Krokhotin, A.; Lychkovskaya, N.; Safronov, G.; Semenov, S.; Stolin, V.; Vlasov, E.; Zhokin, A.; Nikitenko, A.] Inst Theoret & Expt Phys, Moscow 117259, Russia.
[Boos, E.; Dubinin, M.; Dudko, L.; Ershov, A.; Gribushin, A.; Kodolova, O.; Lokhtin, I.; Obraztsov, S.; Petrushanko, S.; Sarycheva, L.; Savrin, V.; Snigirev, A.] Moscow MV Lomonosov State Univ, Moscow, Russia.
[Andreev, V.; Azarkin, M.; Dremin, I.; Kirakosyan, M.; Rusakov, S. V.; Vinogradov, A.] PN Lebedev Phys Inst, Moscow 117924, Russia.
[Azhgirey, I.; Bitioukov, S.; Grishin, V.; Kachanov, V.; Konstantinov, D.; Korablev, A.; Krychkine, V.; Petrov, V.; Ryutin, R.; Slabospitsky, S.; Sobol, 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.; Krpic, D.; Milosevic, J.; Milenovic, P.] Univ Belgrade, Fac Phys, Belgrade 11001, Serbia.
[Adzic, P.; Djordjevic, M.; Krpic, D.; Milosevic, J.; Milenovic, P.] Vinca Inst Nucl Sci, Belgrade, Serbia.
[Aguilar-Benitez, M.; Alcaraz Maestre, J.; Arce, P.; Battilana, C.; Calvo, E.; Cepeda, M.; Cerrada, 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.; Lopez, O. Gonzalez; Goy Lopez, S.; Hernandez, J. M.; Josa, M. I.; Merino, G.; Puerta Pelayo, J.; Redondo, I.; Romero, L.; Santaolalla, J.; Soares, M. S.; Willmott, C.] CIEMAT, E-28040 Madrid, Spain.
[Albajar, C.; Codispoti, G.; de Troconiz, J. F.] Univ Autonoma Madrid, Madrid, Spain.
[Cuevas, J.; Fernandez Menendez, J.; Folgueras, S.; Gonzalez Caballero, I.; Lloret Iglesias, L.; Vizan Garcia, J. M.] Univ Oviedo, Oviedo, Spain.
[Brochero Cifuentes, J. A.; Cabrillo, I. J.; Calderon, A.; Chamizo Llatas, M.; Chuang, S. H.; Duarte Campderros, J.; Felcini, M.; Fernandez, M.; Gomez, G.; Gonzalez Sanchez, J.; Jorda, C.; Lobelle Pardo, P.; Lopez Virto, A.; Marco, J.; Marco, R.; Martinez Rivero, C.; Matorras, F.; Munoz Sanchez, F. J.; Gomez, J. Piedra; Rodrigo, T.; Ruiz Jimeno, A.; Scodellaro, L.; Sobron Sanudo, M.; Vila, I.; Vilar Cortabitarte, R.] Univ Cantabria, CSIC, IFCA, E-39005 Santander, Spain.
[Hammer, J.; Darmenov, N.; Genchev, V.; Iaydjiev, P.; Hoffmann, K. H.; Panagiotou, A.; Hajdu, C.; Sharma, A.; Mohanty, A. K.; Lusito, L.; Chiorboli, M.; Tropiano, A.; Perrozzi, L.; Lucaroni, A.; Volpe, R.; Boccali, T.; Tonelli, G.; Venturi, A.; Pandolfi, F.; Botta, C.; Graziano, A.; Pereira, A. Vilela; Varela, J.; Grishin, V.; Abbaneo, D.; Auffray, E.; Auzinger, G.; Baillon, P.; Ball, A. H.; Barney, D.; Bell, A. J.; Benedetti, D.; Bernet, C.; Bialas, W.; Bloch, P.; Bocci, A.; Bolognesi, S.; Breuker, H.; Brona, G.; Bunkowski, K.; Camporesi, T.; Cano, E.; Cerminara, G.; Christiansen, T.; Perez, J. A. Coarasa; Cure, B.; D'Enterria, D.; De Roeck, A.; Ramos, F. Duarte; Elliott-Peisert, A.; Frisch, B.; Funk, W.; Gaddi, A.; Gennai, S.; Georgiou, G.; Gerwig, H.; Gigi, D.; Gill, K.; Giordano, D.; Glege, F.; Garrido, R. Gomez-Reino; Gouzevitch, M.; Govoni, P.; Gowdy, S.; Guiducci, L.; Hansen, M.; Harvey, J.; Hegeman, J.; Hegner, B.; Henderson, C.; Hesketh, G.; Honma, A.; Innocente, V.; Janot, P.; Karavakis, E.; Lecoq, P.; Leonidopoulos, C.; Lourenco, C.; Macpherson, A.; Maeki, T.; Malgeri, L.; Mannelli, M.; Masetti, L.; Meijers, F.; Mersi, S.; Meschi, E.; Moser, R.; Mozer, M. U.; Mulders, M.; Nesvold, E.; Nguyen, M.; Orimoto, T.; Orsini, L.; Perez, E.; Petrilli, A.; Er, A. Pfei Ff; Pierini, M.; Pimiae, M.; Polese, G.; Racz, A.; Rolandi, G.; Rommerskirchen, T.; Rovelli, C.; Rovere, M.; Sakulin, H.; Schaefer, C.; Schwick, C.; Segoni, I.; Siegrist, P.; Simon, M.; Sphicas, P.; Spiga, D.; Spiropulu, M.; Stoeckli, F.; Stoye, M.; Tropea, P.; Tsirou, A.; Tsyganov, A.; Veres, G. I.; Vichoudis, P.; Voutilainen, M.; Zeuner, W. D.; Erhan, S.; Sharma, V.; Everett, A.; Hall-Wilton, R.] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland.
[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.; Marchica, C.] Paul Scherrer Inst, Villigen, Switzerland.
[Weber, M.; Bortignon, P.; Caminada, L.; Chen, Z.; Cittolin, S.; Dissertori, G.; Dittmar, M.; Eugster, J.; Freudenreich, K.; Grab, C.; Herve, A.; Hintz, W.; Lecomte, P.; Lustermann, W.; Marchica, C.; del Arbol, P. Martinez Ruiz; Meridiani, P.; Milenovic, P.; Moortgat, F.; Nef, P.; Nessi-Tedaldi, F.; Pape, L.; Pauss, F.; Punz, T.; Rizzi, A.; Ronga, F. J.; Rossini, M.; Sala, L.; Sanchez, A. K.; Sawley, M. -C.; Stieger, B.; Tauscher, L.; Thea, A.; Theofilatos, K.; Treille, D.; Urscheler, C.; Wallny, R.; Wehrli, L.; Weng, J.] Swiss Fed Inst Technol, Inst Particle Phys, Zurich, Switzerland.
[Aguilo, E.; Amsler, C.; Chiochia, V.; De Visscher, S.; Favaro, C.; Rikova, M. Ivova; Mejias, B. Millan; Regenfus, C.; Robmann, P.; Schmidt, A.; Snoek, H.; Wilke, L.] Univ Zurich, Zurich, Switzerland.
[Chang, Y. H.; Chen, K. H.; Chen, W. T.; Dutta, S.; Go, A.; Kuo, C. M.; Li, S. W.; Lin, W.; Liu, M. H.; Liu, Z. K.; Lu, Y. J.; Wu, J. H.; Yu, S. S.] Natl Cent Univ, Chungli 32054, Taiwan.
[Chang, Y. H.; Bartalini, P.; Chang, P.; Chang, Y. W.; Chao, Y.; Chen, K. F.; Hou, W. -S.; Hsiung, Y.; Kao, K. Y.; Lei, Y. J.; Lu, R. -S.; Shiu, J. G.; Tzeng, Y. M.; Wang, M.] Natl Taiwan Univ, Taipei 10764, Taiwan.
[Adiguzel, A.; Bakirci, M. N.; Cerci, S.; Dozen, C.; Dumanoglu, I.; Eskut, E.; Girgis, S.; Gokbulut, G.; Guler, Y.; Gurpinar, E.; Hos, I.; Kangal, E. E.; Karaman, T.; Topaksu, A. Kayis; Nart, A.; Onengut, G.; Ozdemir, K.; Ozturk, S.; Polatoz, A.; Sogut, K.; Tali, B.; Topakli, H.; Uzun, D.; Vergili, L. N.; Vergili, M.; Zorbilmez, C.] Cukurova Univ, Adana, Turkey.
[Akin, I. V.; Aliev, T.; Bilmis, S.; Deniz, M.; Gamsizkan, H.; Guler, A. M.; Ocalan, K.; Ozpineci, A.; Serin, M.; Sever, R.; Surat, U. E.; Yildirim, 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, Istanbul, Turkey.
[Levchuk, L.] Kharkov Phys & Technol Inst, Natl Sci Ctr, UA-310108 Kharkov, Ukraine.
[Hansen, M.; Bell, P.; Bostock, F.; Brooke, J. J.; Cheng, T. L.; Clement, E.; Cussans, D.; Frazier, R.; Goldstein, J.; Grimes, M.; Hartley, D.; Heath, G. P.; Heath, H. F.; Huckvale, B.; Jackson, J.; Kreczko, L.; Metson, S.; Newbold, D. M.; Nirunpong, K.; Poll, A.; Senkin, S.; Smith, V. J.; Ward, S.] Univ Bristol, Bristol, Avon, England.
[Newbold, D. M.; Basso, L.; Bell, K. W.; Belyaev, A.; Brew, C.; Brown, R. M.; Camanzi, B.; Cockerill, D. J. A.; Coughlan, J. A.; Harder, K.; Harper, S.; Kennedy, B. W.; Olaiya, E.; Petyt, D.; Radburn-Smith, B. C.; 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.; Cutajar, M.; Davies, G.; Della Negra, M.; Fulcher, J.; Futyan, D.; Bryer, A. Guneratne; Hall, G.; Hatherell, Z.; Hays, J.; Iles, G.; Karapostoli, G.; Lyons, L.; Magnan, A. -M.; Marrouche, J.; Nandi, R.; 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.; Sparrow, A.; Tapper, A.; Tourneur, S.; Acosta, M. Vazquez; Virdee, T.; Wakefield, S.; Wardrope, D.; Whyntie, T.] Univ London Imperial Coll Sci Technol & Med, London, England.
[Barrett, M.; Chadwick, M.; Cole, J. E.; Hobson, P. R.; Khan, A.; Kyberd, P.; Leslie, D.; Martin, W.; Reid, I. D.; Teodorescu, L.] Brunel Univ, Uxbridge UB8 3PH, Middx, England.
[Hatakeyama, K.] Baylor Univ, Waco, TX 76798 USA.
[Bose, T.; Jarrin, E. Carrera; Clough, A.; Fantasia, C.; Heister, A.; John, J. St.; Lawson, P.; Lazic, D.; Rohlf, J.; Sperka, D.; Sulak, L.] Boston Univ, Boston, MA 02215 USA.
[Bhattacharya, S.; Avetisyan, A.; Chou, J. P.; Cutts, D.; Ferapontov, A.; Heintz, U.; Jabeen, S.; Kukartsev, G.; Landsberg, G.; Narain, M.; Nguyen, D.; Segala, M.; Speer, T.; Tsang, K. V.] Brown Univ, Providence, RI 02912 USA.
[Borgia, M. A.; Breedon, R.; Sanchez, M. Calderon De La Barca; Cebra, D.; Chauhan, S.; 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.; Schwarz, T.; Searle, M.; Smith, J.; Squires, M.; Tripathi, M.; Sierra, R. Vasquez; Veelken, C.] Univ Calif Davis, Davis, CA 95616 USA.
[Andreev, V.; Wallny, R.; Arisaka, K.; Cline, D.; Cousins, R.; Deisher, A.; Duris, J.; Erhan, S.; Farrell, C.; Hauser, J.; Ignatenko, M.; Jarvis, C.; Plager, C.; Rakness, G.; Schlein, P.; Tucker, J.; Valuev, V.] Univ Calif Los Angeles, Los Angeles, CA USA.
[Liu, H.; Babb, J.; Clare, R.; Ellison, J.; Gary, J. W.; Giordano, F.; Hanson, G.; Jeng, G. Y.; Kao, S. C.; Liu, F.; Luthra, A.; Nguyen, H.; Pasztor, G.; Satpathy, A.; Shen, B. C.; Stringer, R.; Sturdy, J.; Sumowidagdo, S.; 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.; Padhi, S.; Palmer, C.; Petrucciani, G.; Pi, H.; Pieri, M.; Ranieri, R.; Sani, M.; Sharma, V.; Simon, S.; Tu, Y.; Vartak, A.; Wuerthwein, F.; Yagil, A.] Univ Calif San Diego, La Jolla, CA 92093 USA.
[Barge, D.; Bellan, R.; Campagnari, C.; D'Alfonso, M.; Danielson, T.; Flowers, K.; Geffert, P.; Incandela, J.; Justus, C.; Kalavase, P.; Koay, S. A.; Kovalskyi, D.; Krutelyov, V.; Lowette, S.; Mccoll, N.; Pavlunin, V.; Rebassoo, F.; Ribnik, J.; Richman, J.; Rossin, R.; Stuart, D.; To, W.; Vlimant, J. R.] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA.
[Bornheim, A.; Bunn, J.; Chen, Y.; Gataullin, M.; Kcira, D.; Litvine, V.; Ma, Y.; Mott, A.; Newman, H. B.; Rogan, C.; Timciuc, V.; Traczyk, P.; Veverka, J.; Wilkinson, R.; Yang, Y.; Zhu, R. Y.] CALTECH, Pasadena, CA 91125 USA.
[Akgun, B.; Carroll, R.; Ferguson, T.; Iiyama, Y.; Jang, D. W.; Jun, S. Y.; Liu, Y. F.; 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.; Edelmaier, C. J.; Ford, W. T.; Heyburn, B.; Lopez, E. Luiggi; Nauenberg, U.; Smith, J. G.; Stenson, K.; Ulmer, K. A.; Wagner, S. R.; Zang, S. L.] Univ Colorado, Boulder, CO 80309 USA.
[Agostino, L.; Alexander, J.; Chatterjee, A.; Das, S.; Eggert, N.; Fields, L. J.; Gibbons, L. K.; Heltsley, B.; Hopkins, W.; Khukhunaishvili, A.; Kreis, B.; Kuznetsov, V.; Kaufman, G. Nicolas; Patterson, J. R.; Puigh, D.; Riley, D.; Ryd, A.; Shi, X.; Sun, W.; Teo, W. D.; Thom, J.; Thompson, J.; Vaughan, J.; Weng, Y.; Winstrom, L.; Wittich, P.] Cornell Univ, Ithaca, NY USA.
[Biselli, A.; Cirino, G.; Winn, D.] Fairfield Univ, Fairfield, CT 06430 USA.
[Banerjee, S.; Abdullin, S.; Albrow, M.; Anderson, J.; Apollinari, G.; Atac, M.; Bakken, J. A.; Bauerdick, L. A. T.; Beretvas, A.; Berryhill, J.; Bhat, P. C.; 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.; Esen, S.; Fisk, I.; Freeman, J.; Gao, Y.; Gottschalk, E.; Green, D.; Gunthoti, K.; Gutsche, O.; Hahn, A.; Hanlon, J.; Hirschauer, J.; Hooberman, B.; James, E.; Jensen, H.; Joshi, U.; Khatiwada, R.; Kilminster, B.; Klima, B.; Kousouris, K.; Kunori, S.; Kwan, S.; Limon, P.; Lipton, R.; Lykken, J.; Maeshima, K.; No, J. M. Marra Ffi; Mason, D.; McBride, P.; McCauley, T.; Miao, T.; Mishra, K.; Mrenna, S.; Musienko, Y.; Newman-Holmes, C.; O'Dell, V.; Popescu, S.; Pordes, R.; Prokofyev, O.; Saoulidou, N.; Sexton-Kennedy, E.; Sharma, S.; Soha, A.; Spalding, W. J.; Spiegel, L.; Tan, P.; Taylor, L.; Tkaczyk, S.; Uplegger, L.; Vaandering, E. W.; Vidal, R.; Whitmore, J.; Wu, W.; Yang, F.; Yumiceva, F.; Yun, J. C.; Johnson, K. F.; Harris, P.] 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.; Fisher, M.; Fu, Y.; Furic, I. K.; Gartner, J.; Goldberg, S.; Kim, B.; Klimenko, S.; Konigsberg, J.; Korytov, A.; Kropivnitskaya, A.; Kypreos, T.; Matchev, K.; Mitselmakher, G.; Muniz, L.; Pakhotin, Y.; Prescott, C.; Remington, R.; Schmitt, M.; Scurlock, B.; Sellers, P.; Skhirtladze, N.; 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.; Bandurin, D.; Bochenek, J.; Chen, J.; Diamond, B.; Gleyzer, S. V.; Haas, J.; Hagopian, S.; Hagopian, V.; Jenkins, M.; Johnson, K. F.; Prosper, H.; Sekmen, S.; Veeraraghavan, V.] Florida State Univ, Tallahassee, FL 32306 USA.
[Baarmand, M. M.; Dorney, B.; Guragain, S.; Hohlmann, M.; Kalakhety, H.; Ralich, R.; Vodopiyanov, I.] Florida Inst Technol, Melbourne, FL 32901 USA.
[Adams, M. R.; Anghel, I. M.; Apanasevich, L.; Bai, Y.; Bazterra, V. E.; Betts, R. R.; Callner, J.; Cavanaugh, R.; Dragoiu, C.; Garcia-Solis, E. J.; Gerber, C. E.; Hofman, D. J.; Khalatyan, S.; Lacroix, F.; O'Brien, C.; Silvestre, C.; Smoron, A.; Strom, D.; Varelas, N.] Univ Illinois Chicago UIC, Chicago, IL USA.
[Akgun, U.; Albayrak, E. A.; Bilki, B.; Cankocak, K.; Clarida, W.; Duru, F.; Lae, C. K.; McCliment, E.; Merlo, J. -P.; Mermerkaya, H.; 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.] Univ Iowa, Iowa City, IA USA.
[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.; Whitbeck, A.] Johns Hopkins Univ, Baltimore, MD USA.
[Baringer, P.; Bean, A.; Benelli, G.; Grachov, O.; Murray, M.; Noonan, D.; Radicci, V.; Sanders, S.; Wood, J. S.; Zhukova, V.] Univ Kansas, Lawrence, KS 66045 USA.
[Bolton, T.; Chakaberia, I.; Ivanov, A.; Makouski, M.; 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, A.; Boutemeur, M.; Eno, S. C.; Ferencek, D.; Gomez, J. A.; Hadley, N. J.; Kellogg, R. G.; Kirn, M.; Lu, Y.; Mignerey, A. C.; 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.
[Wyslouch, B.; Alver, B.; Bauer, G.; Bendavid, J.; Busza, W.; Butz, E.; Cali, I. A.; Chan, M.; Dutta, V.; Everaerts, P.; Ceballos, G. Gomez; Goncharov, M.; Hahn, K. A.; Harris, P.; Kim, Y.; Klute, M.; Lee, Y. -J.; Loizides, C.; Luckey, P. D.; Ma, T.; Nahn, S.; Paus, C.; Ralph, D.; Roland, C.; Roland, G.; Rudolph, M.; Stephans, G. S. F.; Sumorok, K.; Sung, K.; Wenger, E. A.; 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.; Rekovic, V.; Rusack, R.; Sasseville, M.; Singovsky, A.] Univ Minnesota, Minneapolis, MN USA.
[Cremaldi, L. M.; Godang, R.; Kroeger, R.; Perera, L.; Rahmat, R.; Sanders, D. A.; 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.; Godshalk, A.; Iashvili, I.; Kharchilava, A.; Shipkowski, S. P.; Smith, K.] SUNY Buffalo, Buffalo, NY 14260 USA.
[Alverson, G.; Barberis, E.; Baumgartel, D.; Boeriu, O.; Chasco, M.; Kaadze, K.; Reucroft, S.; Swain, J.; Wood, D.; Zhang, J.] Northeastern Univ, Boston, MA 02115 USA.
[Schmitt, M.; Anastassov, A.; Kubik, A.; Odell, N.; Erzynski, R. A. O. Fi; Pollack, B.; Pozdnyakov, A.; Stoynev, S.; Velasco, M.; Won, S.] Northwestern Univ, Evanston, IL USA.
[Antonelli, L.; Berry, D.; Hildreth, M.; Jessop, C.; Karmgard, D. J.; Kolb, J.; Kolberg, T.; Lannon, K.; Luo, W.; Lynch, S.; Marinelli, N.; Morse, D. M.; Pearson, T.; Ruchti, R.; Slaunwhite, J.; Valls, N.; Warchol, J.; Wayne, M.; Ziegler, J.] Univ Notre Dame, Notre Dame, IN 46556 USA.
[Bylsma, B.; Durkin, L. S.; Gu, J.; Hill, C.; Killewald, P.; Kotov, K.; Ling, T. Y.; Rodenburg, M.; Williams, G.] Ohio State Univ, Columbus, OH 43210 USA.
[Adam, N.; Berry, E.; Elmer, P.; Gerbaudo, D.; Halyo, V.; Hebda, P.; Hunt, A.; Jones, J.; Laird, E.; Pegna, D. Lopes; Marlow, D.; Medvedeva, T.; Mooney, M.; Olsen, J.; Piroue, P.; Quan, X.; Saka, H.; 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; Zatserklyaniy, A.] Univ Puerto Rico, Mayaguez, PR USA.
[Alagoz, E.; Barnes, V. E.; Bolla, G.; Borrello, L.; Bortoletto, D.; Everett, A.; Garfinkel, A. F.; Gecse, Z.; Gutay, L.; Hu, Z.; Jones, M.; Koybasi, O.; Maroussov, V.; Laasanen, A. T.; Leonardo, N.; Liu, C.; Merkel, P.; Miller, D. H.; Neumeister, N.; Potamianos, K.; Shipsey, I.; Silvers, D.; Svyatkovskiy, A.; Yoo, H. D.; Zablocki, J.; Zheng, Y.] Purdue Univ, W Lafayette, IN 47907 USA.
[Jindal, P.; Parashar, N.] Purdue Univ Calumet, Hammond, LA USA.
[Boulahouache, C.; Cuplov, V.; Ecklund, K. M.; Geurts, F. J. M.; Liu, J. H.; Morales, J.; Padley, B. P.; Redjimi, R.; Roberts, J.; Zabel, J.] Rice Univ, Houston, TX USA.
[Chung, J.; Betchart, B.; Bodek, A.; Covarelli, R.; de Barbaro, P.; Demina, R.; Eshaq, Y.; Flacher, H.; Garcia-Bellido, A.; Goldenzweig, P.; Gotra, Y.; Han, J.; Harel, A.; Miner, D. C.; Orbaker, D.; Petrillo, G.; Vishnevskiy, D.; Zielinski, M.] Univ Rochester, Rochester, NY 14627 USA.
[Bhatti, A.; Demortier, L.; Goulianos, K.; Lungu, G.; Mesropian, C.; Yan, M.] Rockefeller Univ, New York, NY 10021 USA.
[Atramentov, O.; Barker, A.; Duggan, D.; Gershtein, Y.; Gray, R.; Halkiadakis, E.; Hidas, D.; Hits, D.; Lath, A.; Panwalkar, S.; Patel, R.; Richards, 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.; Montalvo, R.; Nguyen, C. N.; Pivarski, J.; Safonov, A.; Sengupta, S.; Tatarinov, A.; Toback, D.; Weinberger, M.] Texas A&M Univ, College Stn, TX USA.
[Akchurin, N.; Bardak, C.; Damgov, J.; Jeong, C.; Kovitanggoon, K.; Lee, S. W.; Mane, P.; Roh, Y.; Sill, A.; Volobouev, I.; Wigmans, R.; Yazgan, E.] Texas Tech Univ, Lubbock, TX 79409 USA.
[Appelt, E.; Brownson, E.; Engh, D.; Florez, C.; Gabella, W.; Johns, W.; Kurt, P.; Maguire, C.; Melo, A.; Sheldon, P.; Velkovska, J.] Vanderbilt Univ, Nashville, TN USA.
[Arenton, M. W.; Balazs, M.; Boutle, S.; Buehler, M.; Conetti, S.; Cox, B.; Francis, B.; Hirosky, R.; Ledovskoy, A.; Lin, C.; Neu, C.; Yohay, R.] Univ Virginia, Charlottesville, VA USA.
[Gollapinni, S.; Harr, R.; Karchin, P. E.; Lamichhane, P.; Mattson, M.; Milstene, C.; Sakharov, A.] Wayne State Univ, Detroit, MI USA.
[Anderson, M.; Bachtis, M.; Bellinger, J. N.; Carlsmith, D.; Dasu, S.; Efron, J.; Gray, L.; Grogg, K. S.; Grothe, M.; Hall-Wilton, R.; Herndon, M.; Klabbers, P.; Klukas, J.; Lanaro, A.; Lazaridis, C.; Leonard, J.; Lomidze, D.; Loveless, R.; Mohapatra, A.; Reeder, D.; Ross, I.; Savin, A.; Smith, W. H.; Swanson, J.; Weinberg, M.] Univ Wisconsin, Madison, WI 53706 USA.
[Hektor, A.] Univ Fed ABC, Santo Andre, Brazil.
[Plestina, R.] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France.
[Assran, Y.] Suez Canal Univ, Suez, Egypt.
[Adam, W.; Mahmoud, M. A.] Fayoum Univ, Al Fayyum, Egypt.
[Agram, J. -L.; Conte, E.; Drouhin, F.; Fontaine, J. -C.] Univ Haute Alsace, Mulhouse, France.
[Bergholz, M.; Lohmann, W.; Schmidt, R.] Brandenburg Tech Univ Cottbus, Cottbus, Germany.
[Zhukov, V.] Moscow MV Lomonosov State Univ, Moscow, Russia.
[Horvath, D.] Inst Nucl Res ATOMKI, Debrecen, Hungary.
[Krajczar, K.; Vesztergombi, G.; Veres, G. I.] Eotvos Lorand Univ, Budapest, Hungary.
[Maity, M.] Visva Bharati Univ, Santini Ketan, W Bengal, India.
[Colafranceschi, S.] Univ Roma La Sapienza, Fac Ingn, Rome, Italy.
Univ Basilicata, I-85100 Potenza, Italy.
[Lacaprara, S.] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy.
[Bell, A. J.] Univ Geneva, Geneva, Switzerland.
Ist Nazl Fis Nucl, Scuola Normale Sez, Pisa, Italy.
[Cerci, S.] Adiyaman Univ, Adiyaman, Turkey.
[Sogut, K.] Mersin Univ, Mersin, Turkey.
[Demir, D.] Izmir Inst Technol, Izmir, Turkey.
[Kaya, M.; Kaya, O.] Kafkas Univ, Kars, Turkey.
[Ozkorucuklu, S.] Suleyman Demirel Univ, TR-32200 Isparta, Turkey.
[Sonmez, N.] Ege Univ, Izmir, Turkey.
[Popescu, S.] Horia Hulubei Natl Inst Phys & Nucl Engn IFIN HH, Bucharest, Romania.
[Cankocak, K.] Istanbul Tech Univ, TR-80626 Istanbul, Turkey.
RP Khachatryan, V (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
RI Haj Ahmad, Wael/E-6738-2016; 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; Andreev,
Vladimir/M-8665-2015; Cakir, Altan/P-1024-2015; TUVE',
Cristina/P-3933-2015; Gulmez, Erhan/P-9518-2015; KIM, Tae
Jeong/P-7848-2015; Arce, Pedro/L-1268-2014; Flix, Josep/G-5414-2012;
Ozdemir, Kadri/P-8058-2014; Azarkin, Maxim/N-2578-2015; Paganoni,
Marco/A-4235-2016; Kirakosyan, Martin/N-2701-2015; Sznajder,
Andre/L-1621-2016; Vilela Pereira, Antonio/L-4142-2016; D'Alessandro,
Raffaello/F-5897-2015; Belyaev, Alexander/F-6637-2015; 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; Rovelli, Tiziano/K-4432-2015; Dremin,
Igor/K-8053-2015; Hoorani, Hafeez/D-1791-2013; Bolton, Tim/A-7951-2012;
Yang, Fan/B-2755-2012; Krammer, Manfred/A-6508-2010; Tinoco Mendes,
Andre David/D-4314-2011; Lokhtin, Igor/D-7004-2012; Kodolova,
Olga/D-7158-2012; Dudko, Lev/D-7127-2012; Mignerey, Alice/D-6623-2011;
Ruiz, Alberto/E-4473-2011; Stahl, Achim/E-8846-2011; Hektor,
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Jie/H-6210-2011; Katkov, Igor/E-2627-2012; Boos, Eduard/D-9748-2012;
Snigirev, Alexander/D-8912-2012; Brona, Grzegorz/E-5544-2012; Servoli,
Leonello/E-6766-2012; Tomei, Thiago/E-7091-2012; Novaes,
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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; 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; 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; Zalewski, Piotr/H-7335-2013; Ivanov,
Andrew/A-7982-2013; Hill, Christopher/B-5371-2012; Wimpenny,
Stephen/K-8848-2013; 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; Gribushin, Andrei/J-4225-2012; Cerrada,
Marcos/J-6934-2014; Calderon, Alicia/K-3658-2014; de la Cruz,
Begona/K-7552-2014; Scodellaro, Luca/K-9091-2014; Josa,
Isabel/K-5184-2014; Calvo Alamillo, Enrique/L-1203-2014; Vogel,
Helmut/N-8882-2014; Marinho, Franciole/N-8101-2014; Ragazzi,
Stefano/D-2463-2009; Benussi, Luigi/O-9684-2014; Russ,
James/P-3092-2014; Dahms, Torsten/A-8453-2015; Ahmed, Ijaz/E-9144-2015;
Lazzizzera, Ignazio/E-9678-2015; Sen, Sercan/C-6473-2014
OI Haj Ahmad, Wael/0000-0003-1491-0446; 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; Heath, Helen/0000-0001-6576-9740;
TUVE', Cristina/0000-0003-0739-3153; Gulmez, Erhan/0000-0002-6353-518X;
KIM, Tae Jeong/0000-0001-8336-2434; Arce, Pedro/0000-0003-3009-0484;
Flix, Josep/0000-0003-2688-8047; Ozdemir, Kadri/0000-0002-0103-1488;
Paganoni, Marco/0000-0003-2461-275X; Sznajder,
Andre/0000-0001-6998-1108; Vilela Pereira, Antonio/0000-0003-3177-4626;
D'Alessandro, Raffaello/0000-0001-7997-0306; Belyaev,
Alexander/0000-0002-1733-4408; 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; Rovelli, Tiziano/0000-0002-9746-4842;
Krammer, Manfred/0000-0003-2257-7751; Tinoco Mendes, Andre
David/0000-0001-5854-7699; Dudko, Lev/0000-0002-4462-3192; 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;
Katkov, Igor/0000-0003-3064-0466; Servoli, Leonello/0000-0003-1725-9185;
Tomei, Thiago/0000-0002-1809-5226; Novaes, Sergio/0000-0003-0471-8549;
Azzi, Patrizia/0000-0002-3129-828X; de Jesus Damiao,
Dilson/0000-0002-3769-1680; Montanari, Alessandro/0000-0003-2748-6373;
Amapane, Nicola/0000-0001-9449-2509; Della Ricca,
Giuseppe/0000-0003-2831-6982; Mundim, Luiz/0000-0001-9964-7805; Rolandi,
Luigi (Gigi)/0000-0002-0635-274X; Ivanov, Andrew/0000-0002-9270-5643;
Hill, Christopher/0000-0003-0059-0779; Wimpenny,
Stephen/0000-0003-0505-4908; Troitsky, Sergey/0000-0001-6917-6600;
Codispoti, Giuseppe/0000-0003-0217-7021; Cerrada,
Marcos/0000-0003-0112-1691; Scodellaro, Luca/0000-0002-4974-8330; Calvo
Alamillo, Enrique/0000-0002-1100-2963; Vogel,
Helmut/0000-0002-6109-3023; Marinho, Franciole/0000-0002-7327-0349;
Ragazzi, Stefano/0000-0001-8219-2074; Benussi,
Luigi/0000-0002-2363-8889; Russ, James/0000-0001-9856-9155; Dahms,
Torsten/0000-0003-4274-5476; Lazzizzera, Ignazio/0000-0001-5092-7531;
Sen, Sercan/0000-0001-7325-1087
NR 28
TC 49
Z9 49
U1 3
U2 51
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 JAN
PY 2011
IS 1
AR 080
DI 10.1007/JHEP01(2011)080
PG 40
WC Physics, Particles & Fields
SC Physics
GA 729GW
UT WOS:000287937700078
ER
PT J
AU Khachatryan, V
Sirunyan, AM
Tumasyan, A
Adam, W
Bergauer, T
Dragicevic, M
Ero, J
Fabjan, C
Friedl, M
Fruhwirth, R
Ghete, VM
Hammer, J
Hansel, S
Hartl, C
Hoch, M
Hormann, N
Hrubec, J
Jeitler, M
Kasieczka, G
Kiesenhofer, W
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
Ceard, L
Cerny, K
De Wolf, EA
Janssen, X
Maes, T
Mucibello, L
Ochesanu, S
Roland, B
Rougny, R
Selvaggi, M
Van Haevermaet, H
Van Mechelen, P
Van Remortel, N
Adler, V
Beauceron, S
Blekman, F
Blyweert, S
D'Hondt, J
Devroede, O
Kalogeropoulos, A
Maes, J
Maes, M
Tavernier, S
Van Doninck, W
Van Mulders, P
Van Onsem, GP
Villella, I
Charaf, O
Clerbaux, B
De Lentdecker, G
Dero, V
Gay, APR
Hammad, GH
Hreus, T
Marage, PE
Thomas, L
Velde, CV
Vanlaer, P
Wickens, J
Costantini, S
Grunewald, M
Klein, B
Marinov, A
Ryckbosch, D
Thyssen, F
Tytgat, M
Vanelderen, L
Verwilligen, P
Walsh, S
Zaganidis, N
Basegmez, S
Bruno, G
Caudron, J
De Jeneret, JD
Delaere, C
Demin, P
Favart, D
Giammanco, A
Gregoire, G
Hollar, J
Lemaitre, V
Liao, J
Militaru, O
Ovyn, S
Pagano, D
Pin, A
Piotrzkowski, K
Quertenmont, L
Schul, N
Beliy, N
Caebergs, T
Daubie, E
Alves, GA
Damiao, DDJ
Pol, ME
Souza, MHG
Carvalho, W
Da Costa, EM
Martins, CD
De Souza, SF
Mundim, L
Nogima, H
Oguri, V
Da Silva, WLP
Santoro, A
Do Amaral, SMS
Sznajder, A
De Araujo, FTD
Dias, FA
Dias, MAF
Tomei, TRFP
Gregores, EM
Marinho, F
Novaes, SF
Padula, SS
Darmenov, N
Dimitrov, L
Genchev, V
Iaydjiev, P
Piperov, S
Rodozov, M
Stoykova, S
Sultanov, G
Tcholakov, V
Trayanov, R
Vankov, I
Dyulendarova, M
Hadjiiska, R
Kozhuharov, V
Litov, L
Marinova, E
Mateev, M
Pavlov, B
Petkov, P
Bian, JG
Chen, GM
Chen, HS
Jiang, CH
Liang, D
Liang, S
Wang, J
Wang, J
Wang, X
Wang, Z
Yang, M
Zang, J
Zhang, Z
Ban, Y
Guo, S
Li, W
Mao, Y
Qian, SJ
Teng, H
Zhu, B
Cabrera, A
Moreno, BG
Rios, AAO
Oliveros, AFO
Sanabria, JC
Godinovic, N
Lelas, D
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
Nicolaou, C
Ptochos, F
Razis, PA
Rykaczewski, H
Assran, Y
Mahmoud, MA
Hektor, A
Kadastik, M
Kannike, K
Muntel, M
Raidal, M
Rebane, L
Azzolini, V
Eerola, P
Czellar, S
Harkonen, J
Heikkinen, A
Karimaki, V
Kinnunen, R
Klem, J
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Luukka, P
Maenpaa, T
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Ungaro, D
Wendland, L
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Korpela, A
Tuuva, T
Sillou, D
Besancon, M
Dejardin, M
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Gentit, FX
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Gras, P
de Monchenault, GH
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Locci, E
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Millischer, L
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de Cassagnac, RG
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Paganini, P
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CA CMS Collaboration
TI Charged particle multiplicities in pp interactions at root s=0:9, 2:36,
and 7 TeV
SO JOURNAL OF HIGH ENERGY PHYSICS
LA English
DT Article
DE Hadron-Hadron Scattering
ID DUAL PARTON MODEL; PROTON-ANTIPROTON COLLISIONS; TRANSVERSE-MOMENTUM;
MULTIPARTICLE PRODUCTION; NUCLEUS COLLISIONS; HADRON-COLLISIONS;
CROSS-SECTIONS; HIGH-ENERGIES; MINIMUM-BIAS; ISR ENERGIES
AB Measurements of primary charged hadron multiplicity distributions are presented for non-single-diffractive events in proton-proton collisions at centre-of-mass energies of root s = 0.9, 2.36, and 7 TeV, in five pseudorapidity ranges from vertical bar eta vertical bar < 0.5 to vertical bar eta vertical bar < 2.4. The data were collected with the minimum-bias trigger of the CMS experiment during the LHC commissioning runs in 2009 and the 7 TeV run in 2010. The multiplicity distribution at root s - 0.9 TeV is in agreement with previous measurements. At higher energies the increase of the mean multiplicity with root s is underestimated by most event generators. The average transverse momentum as a function of the multiplicity is also presented. The measurement of higher-order moments of the multiplicity distribution con firms the violation of Koba-Nielsen-Olesen scaling that has been observed at lower energies.
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[Albergo, S.; Cappello, G.; Chiorboli, M.; Costa, S.; Tricomi, A.; Tuve, C.] Ist Nazl Fis Nucl, Sez Catania, I-95129 Catania, Italy.
[Albergo, S.; Cappello, G.; Chiorboli, M.; Costa, S.; Tricomi, A.] Univ Catania, Catania, Italy.
[Barbagli, G.; Ciulli, V.; Civinini, C.; D'Alessandro, R.; Focardi, E.; Frosali, S.; Gallo, E.; Genta, C.; Lenzi, P.; Meschini, M.; Paoletti, S.; Sguazzoni, G.; Tropiano, A.] Ist Nazl Fis Nucl, Sez Firenze, I-50125 Florence, Italy.
[Ciulli, V.; D'Alessandro, R.; Focardi, E.; Frosali, S.; Lenzi, P.] Univ Florence, Florence, Italy.
[Benussi, L.; Bianco, S.; Colafranceschi, S.; Fabbri, F.; 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.; Di Matteo, L.; Ghezzi, A.; Malberti, M.; Malvezzi, S.; Martelli, A.; Massironi, A.; Menasce, D.; Moroni, L.; Paganoni, M.; Pedrini, D.; Ragazzi, S.; Redaelli, N.; Sala, S.; de Fatis, T. Tabarelli; Tancini, V.] Ist Nazl Fis Nucl, Sez Milano Biccoca, I-20133 Milan, Italy.
[Benaglia, A.; Cerati, G. B.; De Guio, F.; Di Matteo, L.; Ghezzi, A.; Malberti, M.; Martelli, A.; Massironi, A.; Paganoni, M.; Ragazzi, S.; de Fatis, T. Tabarelli; Tancini, V.] Univ Milano Bicocca, Milan, Italy.
[Cimmino, A.; De Cosa, A.; De Gruttola, M.; Merola, M.; Noli, P.] Univ Naples Federico II, Naples, Italy.
[Buontempo, S.; Montoya, C. A. Carrillo; Cimmino, A.; De Cosa, A.; De Gruttola, M.; Fabozzi, F.; Iorio, A. O. M.; Lista, L.; Merola, M.; Noli, P.; Paolucci, P.] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy.
[Bellan, P.; Bisello, D.; Carlin, R.; De Mattia, M.; Gasparini, F.; Giubilato, P.; Margoni, M.; Meneguzzo, A. T.; Pozzobon, N.; Ronchese, P.; Simonetto, F.; Tosi, M.; Vanini, S.; Zotto, P.; Zumerle, G.] Univ Padua, Padua, Italy.
[Gresele, A.; Lazzizzera, I.] Univ Trento Trento, Padua, Italy.
[Azzi, P.; Bacchetta, N.; Bellan, P.; Biasotto, M.; Bisello, D.; Branca, A.; Carlin, R.; Checchia, P.; Conti, E.; De Mattia, M.; Dorigo, T.; Fanzago, F.; Gasparini, F.; Giubilato, P.; Gresele, A.; Lacaprara, S.; Lazzizzera, I.; Margoni, M.; Meneguzzo, A. T.; Nespolo, M.; Perrozzi, L.; Pozzobon, N.; Ronchese, P.; Simonetto, F.; Torassa, E.; Tosi, M.; Vanini, S.; Ventura, S.; Zotto, P.; Zumerle, G.] Ist Nazl Fis Nucl, Sez Padova, Padua, Italy.
[Baesso, P.; Riccardi, C.; Torre, P.; Vitulo, P.; Viviani, C.] Univ Pavia, I-27100 Pavia, Italy.
[Baesso, P.; Berzano, U.; Riccardi, C.; Torre, P.; Vitulo, P.; Viviani, C.] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy.
[Biasini, M.; Bilei, G. M.; Caponeri, B.; Fano, L.; Lariccia, P.; Lucaroni, A.; Mantovani, G.; Menichelli, M.; Nappi, A.; Santocchia, A.; Servoli, L.; Taroni, S.; Valdata, M.; Volpe, R.; Azzurri, P.; Bagliesi, G.; Bernardini, J.; Boccali, T.; Broccolo, G.; Castaldi, R.; D'Agnolo, R. T.; Dell'Orso, R.; Fiori, F.; Foa, L.; 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.] Ist Nazl Fis Nucl, Sez Perugia, I-06100 Perugia, Italy.
[Biasini, M.; Bilei, G. M.; Caponeri, B.; Fano, L.; Lariccia, P.; Lucaroni, A.; Menichelli, M.; Nappi, A.; Santocchia, A.; Servoli, L.; Taroni, S.; Valdata, M.; Volpe, R.] Univ Perugia, Perugia, Italy.
[Azzurri, P.; Bagliesi, G.; Bernardini, J.; Boccali, T.; Broccolo, G.; Castaldi, R.; D'Agnolo, R. T.; Dell'Orso, R.; Fiori, F.; Foa, L.; 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.
[Biasini, M.; Caponeri, B.; Fano, L.; Lucaroni, A.; Mantovani, G.; Nappi, A.; Santocchia, A.; Valdata, M.; Bernardini, J.; Fiori, F.; Messineo, A.; Tonelli, G.; Barone, L.; Del Re, D.; Di Marco, E.; Franci, D.; Longo, E.; Organtini, G.; Palma, A.; Pandolfi, F.] Univ Pisa, Pisa, Italy.
[Azzurri, P.; Broccolo, G.; D'Agnolo, R. T.; Foa, L.; Ligabue, F.; Sarkar, S.] 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.] Ist Nazl Fis Nucl, Sez Roma, Rome, 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.] Univ Roma La Sapienza, Rome, Italy.
[Amapane, N.; Arcidiacono, R.; Argiro, S.; Arneodo, M.; Biino, C.; Botta, C.; Cartiglia, N.; Castello, R.; Costa, M.; Demaria, N.; Graziano, A.; Mariotti, C.; Marone, M.; Maselli, S.; Migliore, E.; Mila, G.; Monaco, V.; Musich, M.; Obertino, M. M.; Pastrone, N.; Pelliccioni, M.; Romero, A.; Ruspa, M.; Sacchi, R.; Sola, V.; Solano, A.; Staiano, A.; Trocino, D.; Pereira, A. Vilela] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy.
[Amapane, N.; Argiro, S.; Botta, C.; Castello, R.; Costa, M.; Graziano, A.; Marone, M.; Migliore, E.; Mila, G.; Monaco, V.; Musich, M.; Pelliccioni, M.; Romero, A.; Sacchi, R.; Sola, V.; Solano, A.; Trocino, D.; Pereira, A. Vilela] Univ Turin, Turin, Italy.
[Arcidiacono, R.; Arneodo, M.; Obertino, M. M.; Ruspa, M.] Univ Piemonte Orientale Novara, Turin, Italy.
[Ambroglini, F.; Belforte, S.; Cossutti, F.; Della Ricca, G.; Gobbo, B.; Montanino, D.; Penzo, A.] Ist Nazl Fis Nucl, Sez Trieste, Trieste, Italy.
[Ambroglini, F.; Della Ricca, G.; Montanino, D.] Univ Trieste, Trieste, Italy.
[Heo, S. G.] Kangwon Natl Univ, Chunchon, South Korea.
[Chang, S.; Chung, J.; Kim, D. H.; Kim, G. N.; Kim, J. E.; Kong, D. J.; Park, H.; Son, D.; Son, D. C.] Kyungpook Natl Univ, Taegu, South Korea.
[Kim, Zero; Kim, J. Y.; Song, S.] Chonnam Natl Univ, Inst Universe & Elementary Particles, Kwangju, South Korea.
[Choi, S.; Hong, B.; Jo, M.; Kim, H.; Kim, J. H.; Kim, T. J.; Lee, K. S.; Moon, D. H.; Park, S. K.; Rhee, H. B.; Seo, E.; Shin, S.; Sim, K. S.] Korea Univ, Seoul, South Korea.
[Choi, M.; Kang, S.; Kim, H.; Park, C.; Park, I. C.; Park, S.; Ryu, G.] Univ Seoul, Seoul, South Korea.
[Choi, Y.; Choi, Y. K.; Goh, J.; Lee, J.; Lee, S.; Seo, H.; Yu, I.] Sungkyunkwan Univ, Suwon, South Korea.
[Bilinskas, M. J.; Grigelionis, I.; Janulis, M.; Martisiute, D.; Petrov, P.; Sabonis, T.] Vilnius Univ, Vilnius, Lithuania.
[Castilla Valdez, H.; De La Cruz Burelo, E.; Lopez-Fernandez, R.; Sanchez Hernandez, A.; Villasenor-Cendejas, L. M.] IPN, Ctr Invest & Estudios Avanzados, Mexico City 07738, DF, Mexico.
[Carrillo Moreno, S.; Vazquez Valencia, F.] Univ Iberoamer, Mexico City, DF, Mexico.
[Salazar Ibarguen, H. A.] Benemerita Univ Autonoma Puebla, Puebla, Mexico.
[Casimiro Linares, E.; Morelos Pineda, A.; Reyes-Santos, M. A.] Univ Autonoma San Luis Potosi, San Luis Potosi, Mexico.
[Allfrey, P.; Krofcheck, D.; Tam, J.] Univ Auckland, Auckland 1, New Zealand.
[Butler, P. H.; Doesburg, R.; Silverwood, H.] 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.; Kalinowski, A.; Konecki, M.; Krolikowski, J.] Univ Warsaw, Inst Expt Phys, Warsaw, Poland.
[Frueboes, T.; Gokieli, R.; Gorski, M.; Kazana, M.; Nawrocki, K.; Romanowska-Rybinska, K.; Szleper, M.; Wrochna, G.; Zalewski, P.] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland.
[Almeida, N.; David, A.; Faccioli, P.; Ferreira Parracho, P. G.; Gallinaro, M.; Martins, P.; Musella, P.; Nayak, A.; Ribeiro, P. Q.; Seixas, J.; Varela, P. Silva J.; Woehri, H. K.] Lab Instrumentacao & Fis Expt Particulas, Lisbon, Portugal.
[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.; Volodko, A.; Zarubin, A.] Joint Inst Nucl Res, Dubna, Russia.
[Bondar, N.; Golovtsov, V.; Kim, V.; Levchenko, P.; Murzin, V.; Oreshkin, V.; Smirnov, I.; Sulimov, V.; Uvarov, L.; Vavilov, S.; Vorobyev, A.] Petersburg Nucl Phys Inst, St Petersburg, Russia.
[Andreev, Yu.; Gninenko, S.; Golubev, N.; Kirsanov, M.; Krasnikov, N.; Matveev, V.; Pashenkov, A.; Toropin, A.; Troitsky, S.] Russian Acad Sci, Inst Nucl Res, Moscow, Russia.
[Epshteyn, V.; Gavrilov, V.; Kaftanov, V.; Kossov, M.; Krokhotin, A.; Lychkovskaya, N.; Safronov, G.; Semenov, S.; 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.; Obraztsov, S.; Petrushanko, S.; Sarycheva, L.; Savrin, V.; Snigirev, A.] Moscow MV Lomonosov State Univ, Moscow, Russia.
[Andreev, V.; Azarkin, M.; Dremin, I.; Kirakosyan, M.; Rusakov, S. V.; Vinogradov, A.] PN Lebedev Phys Inst, Moscow 117924, Russia.
[Azhgirey, I.; Bitioukov, S.; Grishin, V.; Kachanov, V.; Konstantinov, D.; Korablev, A.; Krychkine, V.; Petrov, V.; Ryutin, R.; Slabospitsky, S.; Sobol, 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.; Krpic, D.; Milosevic, J.] Univ Belgrade, Fac Phys, Belgrade 11001, Serbia.
[Adzic, P.; Djordjevic, M.; Krpic, D.; Milosevic, J.] Vinca Inst Nucl Sci, Belgrade, Serbia.
[Aguilar-Benitez, M.; Alcaraz Maestre, J.; Arce, P.; Battilana, C.; Calvo, E.; Cepeda, M.; Cerrada, 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.; Redondo, I.; Romero, L.; Santaolalla, J.; Willmott, C.] CIEMAT, E-28040 Madrid, Spain.
[Albajar, C.; Codispoti, G.; de Troconiz, J. F.] Univ Autonoma Madrid, Madrid, Spain.
[Cuevas, J.; Fernandez Menendez, J.; Folgueras, S.; Gonzalez Caballero, I.; Lloret Iglesias, L.; Vizan Garcia, J. M.] Univ Oviedo, Oviedo, Spain.
[Brochero Cifuentes, J. A.; Cabrillo, I. J.; Calderon, A.; Chamizo Llatas, M.; Chuang, S. H.; Duarte Campderros, J.; Felcini, M.; 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.; Matorras, F.; Munoz Sanchez, F. J.; Piedra Gomez, J.; 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.
[Abbaneo, D.; Ray, E. Au Ff; Auzinger, G.; Baillon, P.; Ball, A. H.; Barney, D.; Bell, A. J.; Benedetti, D.; Bernet, C.; Bialas, W.; Bloch, P.; Bocci, A.; Bolognesi, S.; Breuker, H.; Brona, G.; Bunkowski, K.; Camporesi, T.; Cano, E.; Cerminara, G.; Christiansen, T.; Perez, J. A. Coarasa; Covarelli, R.; Cure, B.; D'Enterria, D.; Dahms, T.; De Roeck, A.; Ramos, F. Duarte; Elliott-Peisert, A.; Funk, W.; Gaddi, A.; Gennai, S.; Georgiou, G.; Gerwig, H.; Gigi, D.; Gill, K.; Giordano, D.; Glege, F.; Garrido, R. Gomez-Reino; Gouzevitch, M.; Govoni, P.; Gowdy, S.; Guiducci, L.; Hansen, M.; Harvey, J.; Hegeman, J.; Hegner, B.; Henderson, C.; Hoffmann, H. F.; Honma, A.; Innocente, V.; Janot, P.; Karavakis, E.; Lecoq, P.; Leonidopoulos, C.; Lourenco, C.; Macpherson, A.; Maeki, T.; Malgeri, L.; Mannelli, M.; Masetti, L.; Meijers, F.; Mersi, S.; Meschi, E.; Moser, R.; Mozer, M. U.; Mulders, M.; Nesvold, E.; Nguyen, M.; Orimoto, T.; Orsini, L.; Perez, E.; Petrilli, A.; Pfeiffer, A.; Pierini, M.; Pimia, M.; Polese, G.; Racz, A.; Rolandi, G.; Rommerskirchen, T.; Rovelli, C.; Rovere, M.; Sakulin, H.; Schaefer, C.; Schwick, C.; Segoni, I.; Sharma, A.; Siegrist, P.; Simon, M.; Sphicas, P.; Spiga, D.; Spiropulu, M.; Stoeckli, F.; Stoye, M.; Tropea, P.; Tsirou, A.; Tsyganov, A.; Veres, G. I.; Vichoudis, P.; Voutilainen, M.; Zeuner, W. D.; Anastassov, A.] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland.
[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.] Paul Scherrer Inst, Villigen, Switzerland.
[Bortignon, P.; Caminada, L.; Chen, Z.; Cittolin, S.; Dissertori, G.; Dittmar, M.; Eugster, J.; Freudenreich, K.; Grab, C.; Herve, A.; Hintz, W.; Lecomte, P.; Lustermann, W.; Marchica, C.; del Arbol, P. Martinez Ruiz; Meridiani, P.; Milenovic, P.; Moortgat, F.; Nef, P.; Nessi-Tedaldi, F.; Pape, L.; Pauss, F.; Punz, T.; Rizzi, A.; Ronga, F. J.; Sala, L.; Sanchez, A. K.; Sawley, M. -C.; Stieger, B.; Tauscher, L.; Thea, A.; Theofilatos, K.; Treille, D.; Urscheler, C.; Wallny, R.; Weber, M.; Wehrli, L.; Weng, J.] ETH, Inst Particle Phys, Zurich, Switzerland.
[Aguilo, E.; Amsler, C.; Chiochia, V.; De Visscher, S.; Favaro, C.; Rikova, M. Ivova; Mejias, B. Millan; Regenfus, C.; Robmann, P.; Schmidt, A.; Snoek, H.; Wilke, L.] Univ Zurich, Zurich, Switzerland.
[Chang, Y. H.; Chen, K. H.; Chen, W. T.; Dutta, S.; Go, A.; Kuo, C. M.; Li, S. W.; Lin, W.; Liu, M. H.; Liu, Z. K.; Lu, Y. J.; Wu, J. H.; Yu, S. S.] Natl Cent Univ, Chungli, Taiwan.
[Bartalini, P.; Chang, P.; Chang, Y. H.; Chang, Y. W.; Chao, Y.; Chen, K. F.; Hou, W. -S.; Hsiung, Y.; Kao, K. Y.; Lei, Y. J.; Lu, R. -S.; Shiu, J. G.; Tzeng, Y. M.; Wang, M.] Natl Taiwan Univ, Taipei 10764, Taiwan.
[Adiguzel, A.; Bakirci, M. N.; Cerci, S.; Dozen, C.; Dumanoglu, I.; Eskut, E.; Girgis, S.; Goekbulut, G.; Gueler, Y.; Gurpinar, E.; Hos, I.; Kangal, E. E.; Karaman, T.; Topaksu, A. Kayis; Nart, A.; Onengut, G.; Ozdemir, K.; Ozturk, S.; Polatoz, A.; Sogut, K.; Tali, B.; Topakli, H.; Uzun, D.; Vergili, L. N.; Vergili, M.; Zorbilmez, C.] Cukurova Univ, Adana, Turkey.
[Akin, I. V.; Aliev, T.; Bilmis, S.; Deniz, M.; Gamsizkan, H.; Guler, A. M.; Ocalan, K.; Ozpineci, A.; Serin, M.; Sever, R.; Surat, U. E.; Yildirim, 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.; Ozbek, M.; Ozkorucuklu, S.; Sonmez, N.] Bogazici Univ, Istanbul, Turkey.
[Levchuk, L.] Kharkov Inst Phys & Technol, Natl Sci Ctr, Kharkov, Ukraine.
[Bell, P.; Bostock, F.; Brooke, J. J.; Cheng, T. L.; Clement, E.; Cussans, D.; Frazier, R.; Goldstein, J.; Grimes, M.; Hansen, M.; Hartley, D.; Heath, G. P.; Heath, H. F.; Huckvale, B.; Jackson, J.; Kreczko, L.; Metson, S.; Newbold, D. M.; Nirunpong, K.; Poll, A.; Senkin, S.; Smith, V. J.; Ward, S.] Univ Bristol, Bristol, Avon, England.
[Basso, L.; Bell, K. W.; Belyaev, A.; Brew, C.; Brown, R. M.; Camanzi, B.; Cockerill, D. J. A.; Coughlan, J. A.; Harder, K.; Harper, S.; Kennedy, B. W.; Olaiya, E.; Petyt, D.; Radburn-Smith, B. C.; 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.; Cutajar, M.; Davies, G.; Della Negra, M.; Fulcher, J.; Futyan, D.; Bryer, A. Guneratne; Hall, G.; Hatherell, Z.; Hays, J.; Iles, G.; Karapostoli, G.; Lyons, L.; Magnan, A. -M.; Marrouche, J.; Nandi, R.; 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.; Sparrow, A.; Tapper, A.; Tourneur, S.; Acosta, M. Vazquez; Virdee, T.; Wakefield, S.; Wardrope, D.; Whyntie, T.] Univ London Imperial Coll Sci Technol & Med, London, England.
[Barrett, M.; Chadwick, M.; Cole, J. E.; Hobson, P. R.; Khan, A.; Kyberd, P.; Leslie, D.; Martin, W.; Reid, I. D.; Teodorescu, L.] Brunel Univ, Uxbridge UB8 3PH, Middx, England.
[Hatakeyama, K.] Baylor Univ, Waco, TX 76798 USA.
[Bose, T.; Jarrin, E. Carrera; Clough, A.; Fantasia, C.; Heister, A.; St John, J.; Lawson, P.; Lazic, D.; Rohlf, J.; Sperka, D.; Sulak, L.] Boston Univ, Boston, MA 02215 USA.
[Avetisyan, A.; Bhattacharya, S.; Chou, J. P.; Cutts, D.; Esen, S.; Ferapontov, A.; Heintz, U.; Jabeen, S.; Kukartsev, G.; Landsberg, G.; Narain, M.; Nguyen, D.; Segala, M.; Speer, T.; Tsang, K. V.] Brown Univ, Providence, RI 02912 USA.
[Borgia, M. A.; Breedon, R.; Sanchez, M. Calderon De La Barca; Cebra, D.; Chauhan, S.; 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.; Schwarz, T.; 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.; Deisher, A.; Duris, J.; Erhan, S.; Farrell, C.; Hauser, J.; Ignatenko, M.; Jarvis, C.; Plager, C.; Rakness, G.; Schlein, P.; Tucker, J.; Valuev, V.] Univ Calif Los Angeles, Los Angeles, CA USA.
[Babb, J.; Clare, R.; Ellison, J.; Gary, J. W.; Giordano, F.; Hanson, G.; Jeng, G. Y.; Kao, S. C.; Liu, F.; Liu, H.; Luthra, A.; Nguyen, H.; Pasztor, G.; Satpathy, A.; Shen, B. C.; Stringer, R.; Sturdy, J.; Sumowidagdo, S.; 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.; Padhi, S.; Palmer, C.; Petrucciani, G.; Pi, H.; Pieri, M.; Ranieri, R.; Sani, M.; Sharma, V.; Simon, S.; Tu, Y.; Vartak, A.; Wuerthwein, F.; Yagil, A.] Univ Calif San Diego, La Jolla, CA 92093 USA.
[Barge, D.; Bellan, R.; Campagnari, C.; D'Alfonso, M.; Danielson, T.; Geffert, P.; Incandela, J.; Justus, C.; Kalavase, P.; Koay, S. A.; Kovalskyi, D.; Krutelyov, V.; Lowette, S.; Mccoll, N.; Pavlunin, V.; Rebassoo, F.; Ribnik, J.; Richman, J.; Rossin, R.; Stuart, D.; To, W.; Vlimant, J. R.] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA.
[Bornheim, A.; Bunn, J.; Chen, Y.; Gataullin, M.; Kcira, D.; Litvine, V.; Ma, Y.; Mott, A.; Newman, H. B.; Rogan, C.; Timciuc, V.; Traczyk, P.; Veverka, J.; Wilkinson, R.; Yang, Y.; Zhu, R. Y.] CALTECH, Pasadena, CA 91125 USA.
[Akgun, B.; Carroll, R.; Ferguson, T.; Iiyama, Y.; Jang, D. W.; Jun, S. Y.; Liu, Y. F.; 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.; Edelmaier, C. J.; Ford, W. T.; Heyburn, B.; Lopez, E. Luiggi; Nauenberg, U.; Smith, J. G.; Stenson, K.; Ulmer, K. A.; Wagner, S. R.; Zang, S. L.] Univ Colorado, Boulder, CO 80309 USA.
[Agostino, L.; Alexander, J.; Chatterjee, A.; Das, S.; Eggert, N.; Fields, L. J.; Gibbons, L. K.; Heltsley, B.; Hopkins, W.; Khukhunaishvili, A.; Kreis, B.; Kuznetsov, V.; Kaufman, G. Nicolas; Patterson, J. R.; Puigh, D.; Riley, D.; Ryd, A.; Shi, X.; Sun, W.; Teo, W. D.; Thom, J.; Thompson, J.; Vaughan, J.; Weng, Y.; Winstrom, L.; Wittich, P.] Cornell Univ, Ithaca, NY USA.
[Biselli, A.; Cirino, G.; Winn, D.] Fairfield Univ, Fairfield, CT 06430 USA.
[Abdullin, S.; Albrow, M.; Anderson, J.; Apollinari, G.; Atac, M.; Bakken, J. A.; Banerjee, S.; Bauerdick, L. A. T.; Beretvas, A.; Berryhill, J.; Bhat, P. C.; 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.; Gao, Y.; Gottschalk, E.; Green, D.; Gunthoti, K.; Gutsche, O.; Hahn, A.; Hanlon, J.; Harris, R. M.; Hirschauer, J.; Hooberman, B.; James, E.; Jensen, H.; Johnson, M.; Joshi, U.; Khatiwada, R.; Kilminster, B.; Klima, B.; Kousouris, K.; Kunori, S.; Kwan, S.; Limon, P.; Lipton, R.; 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.; Pordes, R.; Prokofyev, O.; Saoulidou, N.; Sexton-Kennedy, E.; Sharma, S.; Soha, A.; Spalding, W. J.; Spiegel, L.; Tan, P.; Taylor, L.; Tkaczyk, S.; Uplegger, L.; Vaandering, E. W.; Vidal, R.; Whitmore, J.; Wu, W.; Yang, F.; 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.; Fisher, M.; Fu, Y.; Furic, I. K.; Gartner, J.; Goldberg, S.; Kim, B.; Klimenko, S.; Konigsberg, J.; Korytov, A.; Kropivnitskaya, A.; Kypreos, T.; Matchev, K.; Mitselmakher, G.; Muniz, L.; Pakhotin, Y.; Prescott, C.; Remington, R.; Schmitt, M.; Scurlock, B.; Sellers, P.; Skhirtladze, N.; 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.; Bandurin, D.; Bochenek, J.; Chen, J.; Diamond, B.; Gleyzer, S. V.; Haas, J.; Hagopian, S.; Hagopian, V.; Jenkins, M.; Johnson, K. F.; Prosper, H.; Sekmen, S.; Veeraraghavan, V.] Florida State Univ, Tallahassee, FL 32306 USA.
[Baarmand, M. M.; Dorney, B.; Guragain, S.; Hohlmann, M.; Kalakhety, H.; Ralich, R.; Vodopiyanov, I.] Florida Inst Technol, Melbourne, FL 32901 USA.
[Adams, M. R.; Anghel, I. M.; Apanasevich, L.; Bai, Y.; Bazterra, V. E.; Betts, R. R.; Callner, J.; Cavanaugh, R.; Dragoiu, C.; Garcia-Solis, E. J.; Gerber, C. E.; Hofman, D. J.; Khalatyan, S.; Lacroix, F.; O'Brien, C.; Silvestre, C.; Smoron, A.; Strom, D.; Varelas, N.] Univ Illinois, Chicago, IL USA.
[Akgun, U.; Albayrak, E. A.; Bilki, B.; Cankocak, K.; Clarida, W.; Duru, F.; Lae, C. K.; McCliment, E.; Merlo, J. -P.; Mermerkaya, H.; 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.] Univ Iowa, Iowa City, IA USA.
[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.; Whitbeck, A.] Johns Hopkins Univ, Baltimore, MD USA.
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[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.; Rekovic, V.; Rusack, R.; Sasseville, M.; Singovsky, A.] Univ Minnesota, Minneapolis, MN USA.
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[Baur, U.; Godshalk, A.; Iashvili, I.; Kharchilava, A.; Kumar, A.; Smith, K.] SUNY Buffalo, Buffalo, NY 14260 USA.
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[Adam, N.; Berry, E.; Elmer, P.; Gerbaudo, D.; Halyo, V.; Hebda, P.; Hunt, A.; Jones, J.; Laird, E.; Pegna, D. Lopes; Marlow, D.; Medvedeva, T.; Mooney, M.; Olsen, J.; Piroue, P.; Quan, X.; Saka, H.; Stickland, D.; Tully, C.; Werner, J. S.; Zuranski, A.] Princeton Univ, Princeton, NJ 08544 USA.
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[Jindal, P.; Parashar, N.] Purdue Univ Calumet, Hammond, LA USA.
[Boulahouache, C.; Cuplov, V.; Ecklund, K. M.; Geurts, F. J. M.; Liu, J. H.; Morales, J.; Padley, B. P.; Redjimi, R.; Roberts, J.; Zabel, J.] Rice Univ, Houston, TX USA.
[Betchart, B.; Bodek, A.; Chung, Y. S.; de Barbaro, P.; Demina, R.; Eshaq, Y.; Flacher, H.; Garcia-Bellido, A.; Goldenzweig, P.; Gotra, Y.; Han, J.; Harel, A.; Miner, D. C.; Orbaker, D.; Petrillo, G.; Vishnevskiy, D.; Zielinski, M.] Univ Rochester, Rochester, NY 14627 USA.
[Bhatti, A.; Demortier, L.; Goulianos, K.; Lungu, G.; Mesropian, C.; Yan, M.] Rockefeller Univ, New York, NY 10021 USA.
[Atramentov, O.; Barker, A.; Duggan, D.; Gershtein, Y.; Gray, R.; Halkiadakis, E.; Hidas, D.; Hits, D.; Lath, A.; Panwalkar, S.; Patel, R.; Richards, 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.; Montalvo, R.; Nguyen, C. N.; Pivarski, J.; Safonov, A.; Sengupta, S.; Tatarinov, A.; Toback, D.; Weinberger, M.] Texas A&M Univ, College Stn, TX USA.
[Akchurin, N.; Bardak, C.; Damgov, J.; Jeong, C.; Kovitanggoon, K.; Lee, S. W.; Mane, P.; Roh, Y.; Sill, A.; Volobouev, I.; Wigmans, R.; Yazgan, E.] Texas Tech Univ, Lubbock, TX 79409 USA.
[Appelt, E.; Brownson, E.; Engh, D.; Florez, C.; Gabella, W.; Johns, W.; Kurt, P.; Maguire, C.; Melo, A.; Sheldon, P.; Velkovska, J.] Vanderbilt Univ, Nashville, TN USA.
[Arenton, M. W.; Balazs, M.; Boutle, S.; Buehler, M.; Conetti, S.; Cox, B.; Francis, B.; Hirosky, R.; Ledovskoy, A.; Lin, C.; Neu, C.; Yohay, R.] Univ Virginia, Charlottesville, VA USA.
[Gollapinni, S.; Harr, R.; Karchin, P. E.; Mattson, M.; Milstene, C.; Sakharov, A.] Wayne State Univ, Detroit, MI USA.
[Anderson, M.; Bachtis, M.; Bellinger, J. N.; Carlsmith, D.; Dasu, S.; Efron, J.; Gray, L.; Grogg, K. S.; Grothe, M.; Hall-Wilton, R.; Herndon, M.; Klabbers, P.; Klukas, J.; Lanaro, A.; Lazaridis, C.; Leonard, J.; Lomidze, D.; Loveless, R.; Mohapatra, A.; Parker, W.; Reeder, D.; Ross, I.; Savin, A.; Smith, W. H.; Swanson, J.; Weinberg, M.] Univ Wisconsin, Madison, WI 53706 USA.
[Cankocak, K.] Istanbul Tech Univ, Istanbul, Turkey.
RP Khachatryan, V (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
RI Montanari, Alessandro/J-2420-2012; Amapane, Nicola/J-3683-2012; tosi,
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FU Austrian Federal Ministry of Science and Research; Belgium Fonds de la
Recherche Scientifique, and Fonds voor Wetenschappelijk Onderzoek;
Brazilian Funding Agencies (CNPq, CAPES, FAPERJ, and FAPESP); Bulgarian
Ministry of Education and Science; CERN; Chinese Academy of Sciences,
Ministry of Science and Technology, and National Natural Science
Foundation of China; Colombian Funding Agency (COLCIENCIAS); Croatian
Ministry of Science, Education and Sport; Research Promotion Foundation,
Cyprus; Estonian Academy of Sciences and NICPB; Academy of Finland,
Finnish Ministry of Education, and Helsinki Institute of Physics;
Institut National de Physique Nucleaire et de Physique des Particules /
CNRS, and Commissariat a l'Energie Atomique, France; Bundesministerium
fur Bildung und Forschung, Deutsche Forschungsgemeinschaft, and
Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germa-ny; General
Secretariat for Research and Technology, Greece; National Scientific
Research Foundation, and National Office for Research and Technology,
Hungary; Department of Atomic Energy, and Department of Science and
Technology, India; Institute for Studies in Theoretical Physics and
Mathematics, Iran; Science Foundation, Ireland; Istituto Nazionale di
Fisica Nucleare, Italy; Korean Ministry of Education, Science and
Technology; World Class University program of NRF, Korea; Lithuanian
Academy of Sciences; Mexican Funding Agencies (CINVESTAV, CONACYT, SEP,
and UASLP-FAI); Pakistan Atomic Energy Commission; State Commission for
Scientific Research, Poland; Fundacao para a Ciencia e a Tecnologia,
Portugal; JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan);
Ministry of Science and Technologies of the Russian Federation, and
Russian Ministry of Atomic Energy; Ministry of Science and Technological
Development of Serbia; Ministerio de Ciencia e Innovacion, Spain; Swiss
Funding Agencies (ETH Board, ETH Zurich, PSI, SNF, UniZH, Canton Zurich,
and SER); National Science Council, Taipei; Scientific and Technical
Research Council of Turkey, and Turkish Atomic Energy Authority; Science
and Technology Facilities Council, U. K.; US Department of Energy; US
National Science Foundation; European Research Council (European Union);
Leventis Foundation; A. P. Sloan Foundation; Alexander von Humboldt
Foundation; Associazione per lo Sviluppo Scientifico e Tecnologico del
Piemonte (Italy); Belgian Federal Science Policy Office; Fonds pour la
Formation a la Recherche dans l'industrie et dans l'Agriculture
(FRIA-Belgium); Agentschap voor Innovatie door Wetenschap en Technologie
(IWT-Belgium); Marie-Curie programme
FX We wish to congratulate our colleagues in the CERN accelerator
departments for the excellent performance of the LHC machine. We thank
the technical and administrative staff at CERN and other CMS institutes.
This work was supported by the Austrian Federal Ministry of Science and
Research; the Belgium Fonds de la Recherche Scientifique, and Fonds voor
Wetenschappelijk Onderzoek; the Brazilian Funding Agencies (CNPq, CAPES,
FAPERJ, and FAPESP); the Bulgarian Ministry of Education and Science;
CERN; the Chinese Academy of Sciences, Ministry of Science and
Technology, and National Natural Science Foundation of China; the
Colombian Funding Agency (COLCIENCIAS); the Croatian Ministry of
Science, Education and Sport; the Research Promotion Foundation, Cyprus;
the Estonian Academy of Sciences and NICPB; the Academy of Finland,
Finnish Ministry of Education, and Helsinki Institute of Physics; the
Institut National de Physique Nucleaire et de Physique des Particules /
CNRS, and Commissariat a l'Energie Atomique, France; the
Bundesministerium fur Bildung und Forschung, Deutsche
Forschungsgemeinschaft, and Helmholtz-Gemeinschaft Deutscher
Forschungszentren, Germa-ny; the General Secretariat for Research and
Technology, Greece; the National Scientific Research Foundation, and
National Office for Research and Technology, Hungary; the Department of
Atomic Energy, and Department of Science and Technology, India; the
Institute for Studies in Theoretical Physics and Mathematics, Iran; the
Science Foundation, Ireland; the Istituto Nazionale di Fisica Nucleare,
Italy; the Korean Ministry of Education, Science and Technology and the
World Class University program of NRF, Korea; the Lithuanian Academy of
Sciences; the Mexican Funding Agencies (CINVESTAV, CONACYT, SEP, and
UASLP-FAI); the Pakistan Atomic Energy Commission; the State Commission
for Scientific Research, Poland; the Fundacao para a Ciencia e a
Tecnologia, Portugal; JINR (Armenia, Belarus, Georgia, Ukraine,
Uzbekistan); the Ministry of Science and Technologies of the Russian
Federation, and Russian Ministry of Atomic Energy; the Ministry of
Science and Technological Development of Serbia; the Ministerio de
Ciencia e Innovacion, and Programa Consolider-Ingenio 2010, Spain; the
Swiss Funding Agencies (ETH Board, ETH Zurich, PSI, SNF, UniZH, Canton
Zurich, and SER); the National Science Council, Taipei; the Scientific
and Technical Research Council of Turkey, and Turkish Atomic Energy
Authority; the Science and Technology Facilities Council, U. K.; the US
Department of Energy, and the US National Science Foundation.;
Individuals have received support from the Marie-Curie programme and the
European Research Council (European Union); the Leventis Foundation; the
A. P. Sloan Foundation; the Alexander von Humboldt Foundation; the
Associazione per lo Sviluppo Scientifico e Tecnologico del Piemonte
(Italy); the Belgian Federal Science Policy Office; the Fonds pour la
Formation a la Recherche dans l'industrie et dans l'Agriculture
(FRIA-Belgium); and the Agentschap voor Innovatie door Wetenschap en
Technologie (IWT-Belgium).
NR 88
TC 44
Z9 44
U1 2
U2 41
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 JAN
PY 2011
IS 1
AR 079
DI 10.1007/JHEP01(2011)079
PG 38
WC Physics, Particles & Fields
SC Physics
GA 729GY
UT WOS:000287937900001
ER
PT J
AU Liu, DY
Zhou, L
Karney, B
Zhang, QF
Ou, CQ
AF Liu, Deyou
Zhou, Ling
Karney, Bryan
Zhang, Qinfen
Ou, Chuanqi
TI Rigid-plug elastic-water model for transient pipe flow with entrapped
air pocket
SO JOURNAL OF HYDRAULIC RESEARCH
LA English
DT Article
DE Air pocket; entrapped air; mathematical model; pipe system; pressure
surge; transient flow
ID SYSTEMS
AB Pressure transients in a rapidly-filling pipe with an entrapped air pocket are investigated analytically. A rigid-plug elastic-water model is developed by applying elastic-water hammer to the majority of the water columns while applying rigid-water analysis to a small portion near the air-water interface. The proposed model is validated by the full elastic-water model and experimental data. It effectively avoids the interpolation error of the method of characteristics
C1 [Liu, Deyou; Zhou, Ling] Hohai Univ, Coll Water Conservancy & Hydropower Engn, Nanjing 210098, Jiangsu, Peoples R China.
[Karney, Bryan] Univ Toronto, Dept Civil Engn, Toronto, ON M5S 1A4, Canada.
[Zhang, Qinfen] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Ou, Chuanqi] Int Ctr Small Hydro Power, Hangzhou 310002, Zhejiang, Peoples R China.
RP Liu, DY (reprint author), Hohai Univ, Coll Water Conservancy & Hydropower Engn, Nanjing 210098, Jiangsu, Peoples R China.
EM liudyhhuc@163.com; zlhhu@163.com; karney@ecf.utoronto.ca;
zhangq1@ornl.gov; cq_o@163.com
FU National Natural Science Foundation of China [50979029]; China Scholar
Council (CSC) [2009671024]
FX The authors gratefully acknowledge the financial support from the
National Natural Science Foundation of China (Grant No. 50979029) and
the China Scholar Council (CSC), File No. 2009671024.
NR 13
TC 8
Z9 8
U1 2
U2 8
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0022-1686
J9 J HYDRAUL RES
JI J. Hydraul. Res.
PY 2011
VL 49
IS 6
BP 799
EP 803
DI 10.1080/00221686.2011.621740
PG 5
WC Engineering, Civil; Water Resources
SC Engineering; Water Resources
GA 865PB
UT WOS:000298321700012
ER
PT J
AU Abreu, P
Aglietta, M
Ahn, EJ
Allard, D
Allekotte, I
Allen, J
Castillo, JA
Alvarez-Muniz, J
Ambrosio, M
Aminaei, A
Anchordoqui, L
Andringa, S
Anticic, T
Anzalone, A
Aramo, C
Arganda, E
Arisaka, K
Arqueros, F
Asorey, H
Assis, P
Aublin, J
Ave, M
Avenier, M
Avila, G
Backer, T
Badagnani, D
Balzer, M
Barber, KB
Barbosa, AF
Bardenet, R
Barroso, SLC
Baughman, B
Beatty, JJ
Becker, BR
Becker, KH
Belletoile, A
Bellido, JA
BenZvi, S
Berat, C
Bergmann, T
Bertou, X
Biermann, PL
Billoir, P
Blanco, F
Blanco, M
Bleve, C
Blumer, H
Bohacova, M
Boncioli, D
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
Castellina, A
Catalano, O
Cataldi, G
Cazon, L
Cester, R
Chauvin, J
Chiavassa, A
Chinellato, JA
Chou, A
Chudoba, J
Clay, RW
Colombo, E
Coluccia, MR
Conceicao, R
Contreras, F
Cook, H
Cooper, MJ
Coppens, J
Cordier, A
Cotti, U
Coutu, S
Covault, CE
Creusot, A
Criss, A
Cronin, J
Curutiu, A
Dagoret-Campagne, S
Dallier, R
Dasso, S
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
Dembinski, H
Denkiewicz, A
Di Giulio, C
Diaz, JC
Castro, MLD
Diep, PN
Dobrigkeit, C
D'Olivo, JC
Dong, PN
Dorofeev, A
dos Anjos, JC
Dova, MT
D'Urso, D
Dutan, I
Ebr, J
Engel, R
Erdmann, M
Escobar, CO
Etchegoyen, A
San Luis, PF
Falcke, H
Farrar, G
Fauth, AC
Fazzini, N
Ferguson, AP
Ferrero, A
Fick, B
Filevich, A
Filipcic, A
Fleck, I
Fliescher, S
Fracchiolla, CE
Fraenkel, ED
Frohlich, U
Fuchs, B
Fulgione, W
Gamarra, RF
Gambetta, S
Garcia, B
Gamez, DG
Garcia-Pinto, D
Garrido, X
Gascon, A
Gelmini, G
Gemmeke, H
Gesterling, K
Ghia, PL
Giaccari, U
Giller, M
Glass, H
Gold, MS
Golup, G
Albarracin, FG
Berisso, MG
Goncalves, P
Gonzalez, D
Gonzalez, JG
Gookin, B
Gora, D
Gorgi, A
Gouffon, P
Gozzini, SR
Grashorn, E
Grebe, S
Grigat, M
Grillo, AF
Guardincerri, Y
Guarino, F
Guedes, GP
Hague, JD
Hansen, P
Harari, D
Harmsma, S
Harton, JL
Haungs, A
Hebbeker, T
Heck, D
Herve, AE
Hojvat, C
Holmes, VC
Homola, P
Horandel, JR
Horneffer, A
Hrabovsky, M
Huege, T
Insolia, A
Ionita, F
Italiano, A
Jiraskova, S
Kadija, K
Kaducak, M
Kampert, KH
Karhan, P
Karova, T
Kasper, P
Kegl, B
Keilhauer, B
Keivani, A
Kelley, JL
Kemp, E
Kieckhafer, RM
Klages, HO
Kleifges, M
Kleinfeller, J
Knapp, J
Koang, DH
Kotera, K
Krohm, N
Kromer, O
Kruppke-Hansen, D
Kuehn, F
Kuempel, D
Kulbartz, JK
Kunka, N
La Rosa, G
Lachaud, C
Lautridou, P
Leao, MSAB
Lebrun, D
Lebrun, P
de Oliveira, MAL
Lemiere, A
Letessier-Selvon, A
Lhenry-Yvon, I
Link, K
Lopez, R
Aguera, AL
Louedec, K
Bahilo, JL
Lucero, A
Ludwig, M
Lyberis, H
Maccarone, MC
Macolino, C
Maldera, S
Mandat, D
Mantsch, P
Mariazzi, AG
Marin, V
Maris, IC
Falcon, HRM
Marsella, G
Martello, D
Martin, L
Bravo, OM
Mathes, HJ
Matthews, J
Matthews, JAJ
Matthiae, G
Maurizio, D
Mazur, PO
Medina-Tanco, G
Melissas, M
Melo, D
Menichetti, E
Menshikov, A
Meurer, C
Micanovic, S
Micheletti, MI
Miller, W
Miramonti, L
Mollerach, S
Monasor, M
Ragaigne, DM
Montanet, F
Morales, B
Morello, C
Moreno, E
Moreno, JC
Morris, C
Mostafa, M
Mueller, S
Muller, MA
Muller, G
Munchmeyer, M
Mussa, R
Navarra, G
Navarro, JL
Navas, S
Necesal, P
Nellen, L
Nhung, PT
Nierstenhoefer, N
Nitz, D
Nosek, D
Nozka, L
Nyklicek, M
Oehlschlager, J
Olinto, A
Oliva, P
Olmos-Gilbaja, VM
Ortiz, M
Pacheco, N
Selmi-Dei, DP
Palatka, M
Pallotta, J
Palmieri, N
Parente, G
Parizot, E
Parra, A
Parrisius, J
Parsons, RD
Pastor, S
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
Phan, N
Piegaia, R
Pierog, T
Pieroni, P
Pimenta, M
Pirronello, V
Platino, M
Ponce, VH
Pontz, M
Privitera, P
Prouza, M
Quel, EJ
Rautenberg, J
Ravel, O
Ravignani, D
Revenu, B
Ridky, J
Riggi, S
Risse, M
Ristori, P
Rivera, H
Riviere, C
Rizi, 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, B
Roulet, E
Rovero, AC
Salamida, F
Salazar, H
Salina, G
Sanchez, F
Santander, M
Santo, CE
Santos, E
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
Shadkam, A
Shellard, RC
Sidelnik, I
Sigl, G
Smialkowski, A
Smida, R
Snow, GR
Sommers, P
Sorokin, J
Spinka, H
Squartini, R
Stapleton, J
Stasielak, J
Stephan, M
Strazzeri, E
Stutz, A
Suarez, F
Suomijavi, T
Supanitsky, AD
Susa, T
Sutherland, MS
Swain, J
Szadkowski, Z
Tamashiro, A
Tapia, A
Tarutina, T
Tascau, O
Tcaciuc, R
Tcherniakhovski, D
Tegolo, D
Thao, NT
Thomas, D
Tiffenberg, J
Timmermans, C
Tiwari, DK
Tkaczyk, W
Peixoto, JT
Tome, B
Tonachini, A
Travnicek, P
Tridapalli, DB
Tristram, G
Trovato, E
Tueros, M
Ulrich, R
Unger, M
Urban, M
Galicia, JFV
Valino, I
Valore, L
van den Berg, AM
Cardenas, BV
Vazquez, JR
Vazquez, RA
Veberic, D
Venters, T
Verzi, V
Videla, M
Villasenor, L
Wahlberg, H
Wahrlich, P
Wainberg, O
Warner, D
Watson, AA
Weber, M
Weidenhaupt, K
Weindl, A
Westerhoff, S
Whelan, BJ
Wieczorek, G
Wiencke, L
Wilczynska, B
Wilczynski, H
Will, M
Williams, C
Winchen, T
Winders, L
Winnick, MG
Wommer, M
Wundheiler, B
Yamamoto, T
Younk, P
Yuan, G
Yushkov, A
Zamorano, B
Zas, E
Zavrtanik, D
Zavrtanik, M
Zaw, I
Zepeda, A
Ziolkowski, M
AF Abreu, P.
Aglietta, M.
Ahn, E. J.
Allard, D.
Allekotte, I.
Allen, J.
Alvarez Castillo, J.
Alvarez-Muniz, J.
Ambrosio, M.
Aminaei, A.
Anchordoqui, L.
Andringa, S.
Anticic, T.
Anzalone, A.
Aramo, C.
Arganda, E.
Arisaka, K.
Arqueros, F.
Asorey, H.
Assis, P.
Aublin, J.
Ave, M.
Avenier, M.
Avila, G.
Baecker, T.
Badagnani, D.
Balzer, M.
Barber, K. B.
Barbosa, A. F.
Bardenet, R.
Barroso, S. L. C.
Baughman, B.
Beatty, J. J.
Becker, B. R.
Becker, K. H.
Belletoile, A.
Bellido, J. A.
BenZvi, S.
Berat, C.
Bergmann, T.
Bertou, X.
Biermann, P. L.
Billoir, P.
Blanco, F.
Blanco, M.
Bleve, C.
Bluemer, H.
Bohacova, M.
Boncioli, D.
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.
Castellina, A.
Catalano, O.
Cataldi, G.
Cazon, L.
Cester, R.
Chauvin, J.
Chiavassa, A.
Chinellato, J. A.
Chou, A.
Chudoba, J.
Clay, R. W.
Colombo, E.
Coluccia, M. R.
Conceicao, R.
Contreras, F.
Cook, H.
Cooper, M. J.
Coppens, J.
Cordier, A.
Cotti, U.
Coutu, S.
Covault, C. E.
Creusot, A.
Criss, A.
Cronin, J.
Curutiu, A.
Dagoret-Campagne, S.
Dallier, R.
Dasso, S.
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 Junior, W. J. M.
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.
Dembinski, H.
Denkiewicz, A.
Di Giulio, C.
Diaz, J. C.
Diaz Castro, M. L.
Diep, P. N.
Dobrigkeit, C.
D'Olivo, J. C.
Dong, P. N.
Dorofeev, A.
dos Anjos, J. C.
Dova, M. T.
D'Urso, D.
Dutan, I.
Ebr, J.
Engel, R.
Erdmann, M.
Escobar, C. O.
Etchegoyen, A.
San Luis, P. Facal
Falcke, H.
Farrar, G.
Fauth, A. C.
Fazzini, N.
Ferguson, A. P.
Ferrero, A.
Fick, B.
Filevich, A.
Filipcic, A.
Fleck, I.
Fliescher, S.
Fracchiolla, C. E.
Fraenkel, E. D.
Froehlich, U.
Fuchs, B.
Fulgione, W.
Gamarra, R. F.
Gambetta, S.
Garcia, B.
Garcia Gamez, D.
Garcia-Pinto, D.
Garrido, X.
Gascon, A.
Gelmini, G.
Gemmeke, H.
Gesterling, K.
Ghia, P. L.
Giaccari, U.
Giller, M.
Glass, H.
Gold, M. S.
Golup, G.
Gomez Albarracin, F.
Gomez Berisso, M.
Goncalves, P.
Gonzalez, D.
Gonzalez, J. G.
Gookin, B.
Gora, D.
Gorgi, A.
Gouffon, P.
Gozzini, S. R.
Grashorn, E.
Grebe, S.
Grigat, M.
Grillo, A. F.
Guardincerri, Y.
Guarino, F.
Guedes, G. P.
Hague, J. D.
Hansen, P.
Harari, D.
Harmsma, S.
Harton, J. L.
Haungs, A.
Hebbeker, T.
Heck, D.
Herve, A. E.
Hojvat, C.
Holmes, V. C.
Homola, P.
Hoerandel, J. R.
Horneffer, A.
Hrabovsky, M.
Huege, T.
Insolia, A.
Ionita, F.
Italiano, A.
Jiraskova, S.
Kadija, K.
Kaducak, M.
Kampert, K. H.
Karhan, P.
Karova, T.
Kasper, P.
Kegl, B.
Keilhauer, B.
Keivani, A.
Kelley, J. L.
Kemp, E.
Kieckhafer, R. M.
Klages, H. O.
Kleifges, M.
Kleinfeller, J.
Knapp, J.
Koang, D. -H.
Kotera, K.
Krohm, N.
Kroemer, O.
Kruppke-Hansen, D.
Kuehn, F.
Kuempel, D.
Kulbartz, J. K.
Kunka, N.
La Rosa, G.
Lachaud, C.
Lautridou, P.
Leao, M. S. A. B.
Lebrun, D.
Lebrun, P.
Leigui de Oliveira, M. A.
Lemiere, A.
Letessier-Selvon, A.
Lhenry-Yvon, I.
Link, K.
Lopez, R.
Lopez Agueera, A.
Louedec, K.
Lozano Bahilo, J.
Lucero, A.
Ludwig, M.
Lyberis, H.
Maccarone, M. C.
Macolino, C.
Maldera, S.
Mandat, D.
Mantsch, P.
Mariazzi, A. G.
Marin, V.
Maris, I. C.
Marquez Falcon, H. R.
Marsella, G.
Martello, D.
Martin, L.
Martinez Bravo, O.
Mathes, H. J.
Matthews, J.
Matthews, J. A. J.
Matthiae, G.
Maurizio, D.
Mazur, P. O.
Medina-Tanco, G.
Melissas, M.
Melo, D.
Menichetti, E.
Menshikov, A.
Meurer, C.
Micanovic, S.
Micheletti, M. I.
Miller, W.
Miramonti, L.
Mollerach, S.
Monasor, M.
Ragaigne, D. Monnier
Montanet, F.
Morales, B.
Morello, C.
Moreno, E.
Moreno, J. C.
Morris, C.
Mostafa, M.
Mueller, S.
Muller, M. A.
Mueller, G.
Muenchmeyer, M.
Mussa, R.
Navarra, G.
Navarro, J. L.
Navas, S.
Necesal, P.
Nellen, L.
Nhung, P. T.
Nierstenhoefer, N.
Nitz, D.
Nosek, D.
Nozka, L.
Nyklicek, M.
Oehlschlaeger, J.
Olinto, A.
Oliva, P.
Olmos-Gilbaja, V. M.
Ortiz, M.
Pacheco, N.
Pakk Selmi-Dei, D.
Palatka, M.
Pallotta, J.
Palmieri, N.
Parente, G.
Parizot, E.
Parra, A.
Parrisius, J.
Parsons, R. D.
Pastor, S.
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.
Phan, N.
Piegaia, R.
Pierog, T.
Pieroni, P.
Pimenta, M.
Pirronello, V.
Platino, M.
Ponce, V. H.
Pontz, M.
Privitera, P.
Prouza, M.
Quel, E. J.
Rautenberg, J.
Ravel, O.
Ravignani, D.
Revenu, B.
Ridky, J.
Riggi, S.
Risse, M.
Ristori, P.
Rivera, H.
Riviere, C.
Rizi, V.
Robledo, C.
Rodriguez, G.
Rodriguez Martino, J.
Rodriguez Rojo, J.
Rodriguez-Cabo, I.
Rodriguez-Frias, M. D.
Ros, G.
Rosado, J.
Rossler, T.
Roth, M.
Rouille-d'Orfeuil, B.
Roulet, E.
Rovero, A. C.
Salamida, F.
Salazar, H.
Salina, G.
Sanchez, F.
Santander, M.
Santo, C. E.
Santos, 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.
Shadkam, A.
Shellard, R. C.
Sidelnik, I.
Sigl, G.
Smialkowski, A.
Smida, R.
Snow, G. R.
Sommers, P.
Sorokin, J.
Spinka, H.
Squartini, R.
Stapleton, J.
Stasielak, J.
Stephan, M.
Strazzeri, E.
Stutz, A.
Suarez, F.
Suomijaervi, T.
Supanitsky, A. D.
Susa, T.
Sutherland, M. S.
Swain, J.
Szadkowski, Z.
Tamashiro, A.
Tapia, A.
Tarutina, T.
Tascau, O.
Tcaciuc, R.
Tcherniakhovski, D.
Tegolo, D.
Thao, N. T.
Thomas, D.
Tiffenberg, J.
Timmermans, C.
Tiwari, D. K.
Tkaczyk, W.
Todero Peixoto, C. J.
Tome, B.
Tonachini, A.
Travnicek, P.
Tridapalli, D. B.
Tristram, G.
Trovato, E.
Tueros, M.
Ulrich, R.
Unger, M.
Urban, M.
Valdes Galicia, J. F.
Valino, I.
Valore, L.
van den Berg, A. M.
Vargas Cardenas, B.
Vazquez, J. R.
Vazquez, R. A.
Veberic, D.
Venters, T.
Verzi, V.
Videla, M.
Villasenor, L.
Wahlberg, H.
Wahrlich, P.
Wainberg, O.
Warner, D.
Watson, A. A.
Weber, M.
Weidenhaupt, K.
Weindl, A.
Westerhoff, S.
Whelan, B. J.
Wieczorek, G.
Wiencke, L.
Wilczynska, B.
Wilczynski, H.
Will, M.
Williams, C.
Winchen, T.
Winders, L.
Winnick, M. G.
Wommer, M.
Wundheiler, B.
Yamamoto, T.
Younk, P.
Yuan, G.
Yushkov, A.
Zamorano, B.
Zas, E.
Zavrtanik, D.
Zavrtanik, M.
Zaw, I.
Zepeda, A.
Ziolkowski, M.
CA Pierre Auger Collaboration
TI The Pierre Auger Observatory scaler mode for the study of solar activity
modulation of galactic cosmic rays
SO JOURNAL OF INSTRUMENTATION
LA English
DT Article
DE Cherenkov detectors; Large detector systems for particle and
astroparticle physics; Particle detectors
ID CHERENKOV DETECTOR; WATER; BURSTS
AB Since data-taking began in January 2004, the Pierre Auger Observatory has been recording the count rates of low energy secondary cosmic ray particles for the self-calibration of the ground detectors of its surface detector array. After correcting for atmospheric effects, modulations of galactic cosmic rays due to solar activity and transient events are observed. Temporal variations related with the activity of the heliosphere can be determined with high accuracy due to the high total count rates. In this study, the available data are presented together with an analysis focused on the observation of Forbush decreases, where a strong correlation with neutron monitor data is found.
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[Abreu, P.; Andringa, S.; Assis, P.; Brogueira, P.; Cazon, L.; Conceicao, R.; Goncalves, P.; Pimenta, M.; Santo, C. E.; Santos, E.; Tome, B.] Inst Super Tecn, Lisbon, Portugal.
[Allekotte, I.; Asorey, H.; Bertou, X.; Golup, G.; Gomez Berisso, M.; Harari, D.; Mollerach, S.; Ponce, V. H.; Roulet, E.] CNEA UNCuyo CONICET, Ctr Atom Bariloche, San Carlos De Bariloche, Rio Negro, Argentina.
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Univ Palermo, Catania, Italy.
[Lopez, R.; Martinez Bravo, O.; Moreno, E.; Robledo, C.; Salazar, H.] Benemerita Univ Autonoma Puebla, Puebla, Mexico.
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[Aminaei, A.; Coppens, J.; de Jong, S. J.; Falcke, H.; Grebe, S.; Hoerandel, J. R.; Horneffer, A.; Jiraskova, S.; Kelley, J. L.; Schoorlemmer, H.; Timmermans, C.] Radboud Univ Nijmegen, IMAPP, NL-6525 ED Nijmegen, Netherlands.
[de Vries, K. D.; Fraenkel, E. D.; Harmsma, S.; Scholten, O.; van den Berg, A. M.] Univ Groningen, Kernfysisch Versneller Inst, Groningen, Netherlands.
[Coppens, J.; Harmsma, S.; Petrovic, J.; Timmermans, C.] NIKHEF, Amsterdam, Netherlands.
[Falcke, H.] ASTRON, Dwingeloo, Netherlands.
[Borodai, N.; Gora, D.; Homola, P.; Pekala, J.; Stasielak, J.; Wilczynska, B.; Wilczynski, H.] Inst Nucl Phys PAN, Krakow, Poland.
[Giller, M.; Smialkowski, A.; Szadkowski, Z.; Tkaczyk, W.; Wieczorek, G.] Univ Lodz, PL-90131 Lodz, Poland.
[Filipcic, A.; Veberic, D.; Zavrtanik, D.; Zavrtanik, M.] Jozef Stefan Inst, Ljubljana, Slovenia.
[Pastor, S.] Univ Valencia, CSIC, Inst Fis Corpuscular, Valencia, Spain.
[Arganda, E.; Arqueros, F.; Blanco, F.; Garcia-Pinto, D.; Ortiz, M.; Rosado, J.; Vazquez, J. R.] Univ Complutense Madrid, Madrid, Spain.
[Blanco, M.; del Peral, L.; Pacheco, N.; Rodriguez-Frias, M. D.; Ros, G.] Univ Alcala De Henares, Alcala De Henares, Madrid, Spain.
[Bueno, A.; Garcia Gamez, D.; Gascon, A.; Lozano Bahilo, J.; Navarro, J. L.; Navas, S.; Zamorano, B.] Univ Granada, Granada, Spain.
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[Alvarez-Muniz, J.; Lopez Agueera, A.; Olmos-Gilbaja, V. M.; Parente, G.; Parra, A.; Pelayo, R.; Rodriguez, G.; Rodriguez-Cabo, I.; Valino, I.; Vazquez, R. A.; Zas, E.] Univ Santiago de Compostela, Santiago De Compostela, Spain.
[Sarkar, S.] Univ Oxford, Rudolf Peierls Ctr Theoret Phys, Oxford, England.
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[Brown, W. C.] Colorado State Univ, Pueblo, CO USA.
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[Keivani, A.; Matthews, J.; Shadkam, A.; Yuan, G.] Louisiana State Univ, Baton Rouge, LA 70803 USA.
[Diaz, J. C.; Fick, B.; Kieckhafer, R. M.; Nitz, D.] Michigan Technol Univ, Houghton, MI 49931 USA.
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[Matthews, J.] Southern Univ, Baton Rouge, LA USA.
[Arisaka, K.; Gelmini, G.] Univ Calif Los Angeles, Los Angeles, CA USA.
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[Petermann, E.; Snow, G. R.] Univ Nebraska, Lincoln, NE USA.
[Becker, B. R.; Gesterling, K.; Gold, M. S.; Hague, J. D.; Matthews, J. A. J.; Miller, W.; Phan, N.] Univ New Mexico, Albuquerque, NM 87131 USA.
[BenZvi, S.; Pfendner, C.; Westerhoff, S.] Univ Wisconsin, Madison, WI USA.
[Anchordoqui, L.; Winders, L.] Univ Wisconsin, Milwaukee, WI 53201 USA.
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[Yamamoto, T.] Konan Univ, Kobe, Hyogo, Japan.
[Pavlidou, V.] CALTECH, Pasadena, CA 91125 USA.
RP Abreu, P (reprint author), LIP, P-1000 Lisbon, Portugal.
RI Oliva, Pietro/K-5915-2015; Inst. of Physics, Gleb Wataghin/A-9780-2017;
De Mitri, Ivan/C-1728-2017; Rodriguez Fernandez, Gonzalo/C-1432-2014;
Nosek, Dalibor/F-1129-2017; Navas, Sergio/N-4649-2014; Assis,
Pedro/D-9062-2013; Arqueros, Fernando/K-9460-2014; Blanco,
Francisco/F-1131-2015; Conceicao, Ruben/L-2971-2014; Bueno,
Antonio/F-3875-2015; 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; Vazquez,
Jose Ramon/K-2272-2015; Martello, Daniele/J-3131-2012; Insolia,
Antonio/M-3447-2015; de Mello Neto, Joao/C-5822-2013; Lozano-Bahilo,
Julio/F-4881-2016; 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; Tome, Bernardo/J-4410-2013; Espirito Santo, Maria
Catarina/L-2341-2014; Pimenta, Mario/M-1741-2013; Ros,
German/L-4764-2014; Di Giulio, Claudio/B-3319-2015; Pavlidou,
Vasiliki/C-2944-2011; Parente, Gonzalo/G-8264-2015; dos Santos,
Eva/N-6351-2013; Alvarez-Muniz, Jaime/H-1857-2015; Rosado,
Jaime/K-9109-2014; Valino, Ines/J-8324-2012; De Donato,
Cinzia/J-9132-2015; Prouza, Michael/F-8514-2014; Mandat,
Dusan/G-5580-2014; Bohacova, Martina/G-5898-2014; 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;
Chudoba, Jiri/G-7737-2014; Pech, Miroslav/G-5760-2014; Garcia Pinto,
Diego/J-6724-2014; Pastor, Sergio/J-6902-2014; D'Urso,
Domenico/I-5325-2012; Bleve, Carla/J-2521-2012; Brogueira,
Pedro/K-3868-2012; Chinellato, Jose Augusto/I-7972-2012; Yushkov,
Alexey/A-6958-2013; Falcke, Heino/H-5262-2012; Ebr, Jan/H-8319-2012;
Anjos, Joao/C-8335-2013; Schussler, Fabian/G-5313-2013; Nierstenhofer,
Nils/H-3699-2013; Pakk Selmi-Dei, Daniel/H-2675-2013; Goncalves,
Patricia /D-8229-2013; Muller, Marcio Aparecido/H-9112-2012; fulgione,
walter/I-5232-2012; Aramo, Carla/D-4317-2011; Pesce,
Roberto/G-5791-2011; Chiavassa, Andrea/A-7597-2012; Chinellato, Carola
Dobrigkeit /F-2540-2011; Venters, Tonia/D-2936-2012; Fauth,
Anderson/F-9570-2012; Todero Peixoto, Carlos Jose/G-3873-2012; de souza,
Vitor/D-1381-2012; Shellard, Ronald/G-4825-2012; Petrolini,
Alessandro/H-3782-2011
OI Dembinski, Hans/0000-0003-3337-3850; Del Peral,
Luis/0000-0003-2580-5668; Coutu, Stephane/0000-0003-2923-2246; Ulrich,
Ralf/0000-0002-2535-402X; Garcia, Beatriz/0000-0003-0919-2734; Tiwari,
Dhirendra Kumar/0000-0002-6754-3398; Zamorano,
Bruno/0000-0002-4286-2835; Catalano, Osvaldo/0000-0002-9554-4128;
Navarro Quirante, Jose Luis/0000-0002-9915-1735; Mantsch,
Paul/0000-0002-8382-7745; Oliva, Pietro/0000-0002-3572-3255; De Mitri,
Ivan/0000-0002-8665-1730; Rodriguez Fernandez,
Gonzalo/0000-0002-4683-230X; Nosek, Dalibor/0000-0001-6219-200X; de
Jong, Sijbrand/0000-0002-3120-3367; Sigl, Guenter/0000-0002-4396-645X;
Cataldi, Gabriella/0000-0001-8066-7718; Maccarone, Maria
Concetta/0000-0001-8722-0361; Anzalone, Anna/0000-0003-1849-198X;
Segreto, Alberto/0000-0001-7341-6603; La Rosa,
Giovanni/0000-0002-3931-2269; Navas, Sergio/0000-0003-1688-5758; Assis,
Pedro/0000-0001-7765-3606; Arqueros, Fernando/0000-0002-4930-9282;
Blanco, Francisco/0000-0003-4332-434X; Conceicao,
Ruben/0000-0003-4945-5340; Bueno, Antonio/0000-0002-7439-4247; Beatty,
James/0000-0003-0481-4952; Guarino, Fausto/0000-0003-1427-9885;
Rodriguez Frias, Maria /0000-0002-2550-4462; 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; Lozano-Bahilo, Julio/0000-0003-0613-140X;
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; 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; Di Giulio,
Claudio/0000-0002-0597-4547; Pavlidou, Vasiliki/0000-0002-0870-1368;
Parente, Gonzalo/0000-0003-2847-0461; dos Santos,
Eva/0000-0002-0474-8863; Alvarez-Muniz, Jaime/0000-0002-2367-0803;
Rosado, Jaime/0000-0001-8208-9480; Valino, Ines/0000-0001-7823-0154; De
Donato, Cinzia/0000-0002-9725-1281; Prouza, Michael/0000-0002-3238-9597;
Cazon, Lorenzo/0000-0001-6748-8395; Ridky, Jan/0000-0001-6697-1393;
Garcia Pinto, Diego/0000-0003-1348-6735; 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; Ebr, Jan/0000-0001-8807-6162; Schussler,
Fabian/0000-0003-1500-6571; Goncalves, Patricia /0000-0003-2042-3759;
Chinellato, Carola Dobrigkeit /0000-0002-1236-0789; Fauth,
Anderson/0000-0001-7239-0288; Todero Peixoto, Carlos
Jose/0000-0003-3669-8212; Shellard, Ronald/0000-0002-2983-1815;
Petrolini, Alessandro/0000-0003-0222-7594
FU Comision Nacional de Energia Atomica; Fundacion Antorchas; Gobierno De
La Provincia de Mendoza; Municipalidad de Malargue; NDM Holdings; Valle
Las Lenas; Australian Research Council; Conselho Nacional de
Desenvolvimento Cientifico e Tecnologico (CNPq); Financiadora de Estudos
e Projetos (FINEP); Fundacao de Amparo a Pesquisa do Estado de Rio de
Janeiro (FAPERJ); Fundacao de Amparo a Pesquisa do Estado de Sao Paulo
(FAPESP); Ministerio de Ciencia e Tecnologia (MCT), Brazil; AVCR, Czech
Republic [AV0Z10100502, AV0Z10100522, GAAV KJB300100801, KJB100100904,
MSMT-CR LA08016, LC527, 1M06002, MSM0021620859]; Centre de Calcul
IN2P3/CNRS; Centre National de la Recherche Scientifique (CNRS); Conseil
Regional Ile-de-France, Departement Physique Nucleaire et Corpusculaire
[PNC-IN2P3/CNRS]; Departement Sciences de l'Univers (SDU-INSU/CNRS),
France; Bundesministerium fur Bildung und Forschung (BMBF); Deutsche
Forschungsgemeinschaft (DFG); Finanzministerium Baden-Wurttemberg;
Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF); Ministerium
fur Wissenschaft und Forschung; Nordrhein-Westfalen; Ministerium fur
Wissenschaft; Forschung und Kunst; Baden-Wurttemberg, Germany; Istituto
Nazionale di Fisica Nucleare (INFN); Istituto Nazionale di Astrofisica
(INAF); Ministero dell'Istruzione, dell'Universita e della Ricerca
(MIUR), Italy; Consejo Nacional de Ciencia y Tecnologia (CONACYT),
Mexico; Ministerie van Onderwijs; Cultuur en Wetenschap; Nederlandse
Organisatie voor Wetenschappelijk Onderzoek (NWO); Stichting voor
Fundamenteel Onderzoek der Materie (FOM); Netherlands; Ministry of
Science and Higher Education, Poland [1 P03 D 014 30, N N202 207238];
Fundacao para a Ciencia e a Tecnologia, Portugal; Ministry for Higher
Education, Science, and Technology, Slovenian Research Agency, Slovenia;
Comunidad de Madrid; Consejeria de Educacion de la Comunidad de Castilla
La Mancha; FEDER; Ministerio de Ciencia e Innovacion;
Consolider-Ingenio; Generalitat Valenciana; Junta de Andalucia; Xunta de
Galicia, Spain; Science and Technology Facilities Council, United
Kingdom; Department of Energy [DE-AC02-07CH11359, DE-FR02-04ER41300];
National Science Foundation [0450696]; Grainger Foundation USA; ALFA-EC
/ HELEN; European Union [MEIF-CT-2005-025057, PIEF-GA-2008-220240];
UNESCO
FX We are very grateful to the following agencies and organizations for
financial support: Comision Nacional de Energia Atomica, Fundacion
Antorchas, Gobierno De La Provincia de Mendoza, Municipalidad de
Malargue, NDM Holdings and Valle Las Lenas, in gratitude for their
continuing cooperation over land access, Argentina; the Australian
Research Council; Conselho Nacional de Desenvolvimento Cientifico e
Tecnologico (CNPq), Financiadora de Estudos e Projetos (FINEP), Fundacao
de Amparo a Pesquisa do Estado de Rio de Janeiro (FAPERJ), Fundacao de
Amparo a Pesquisa do Estado de Sao Paulo (FAPESP), Ministerio de Ciencia
e Tecnologia (MCT), Brazil; AVCR AV0Z10100502 and AV0Z10100522, GAAV
KJB300100801 and KJB100100904, MSMT-CR LA08016, LC527, 1M06002, and
MSM0021620859, Czech Republic; Centre de Calcul IN2P3/CNRS, Centre
National de la Recherche Scientifique (CNRS), Conseil Regional
Ile-de-France, Departement Physique Nucleaire et Corpusculaire
(PNC-IN2P3/CNRS), Departement Sciences de l'Univers (SDU-INSU/CNRS),
France; Bundesministerium fur Bildung und Forschung (BMBF), Deutsche
Forschungsgemeinschaft (DFG), Finanzministerium Baden-Wurttemberg,
Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF), Ministerium
fur Wissenschaft und Forschung, Nordrhein-Westfalen, Ministerium fur
Wissenschaft, Forschung und Kunst, Baden-Wurttemberg, Germany; Istituto
Nazionale di Fisica Nucleare (INFN), Istituto Nazionale di Astrofisica
(INAF), Ministero dell'Istruzione, dell'Universita e della Ricerca
(MIUR), Italy; Consejo Nacional de Ciencia y Tecnologia (CONACYT),
Mexico; Ministerie van Onderwijs, Cultuur en Wetenschap, Nederlandse
Organisatie voor Wetenschappelijk Onderzoek (NWO), Stichting voor
Fundamenteel Onderzoek der Materie (FOM), Netherlands; Ministry of
Science and Higher Education, Grant Nos. 1 P03 D 014 30 and N N202
207238, Poland; Fundacao para a Ciencia e a Tecnologia, Portugal;
Ministry for Higher Education, Science, and Technology, Slovenian
Research Agency, Slovenia; Comunidad de Madrid, Consejeria de Educacion
de la Comunidad de Castilla La Mancha, FEDER funds, Ministerio de
Ciencia e Innovacion and Consolider-Ingenio 2010 (CPAN), Generalitat
Valenciana, Junta de Andalucia, Xunta de Galicia, Spain; Science and
Technology Facilities Council, United Kingdom; Department of Energy,
Contract Nos. DE-AC02-07CH11359, DE-FR02-04ER41300, National Science
Foundation, Grant No. 0450696, The Grainger Foundation USA; ALFA-EC /
HELEN, European Union 6th Framework Program, Grant No.
MEIF-CT-2005-025057, European Union 7th Framework Program, Grant No.
PIEF-GA-2008-220240, and UNESCO.
NR 27
TC 8
Z9 8
U1 0
U2 25
PU IOP PUBLISHING LTD
PI BRISTOL
PA DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
SN 1748-0221
J9 J INSTRUM
JI J. Instrum.
PD JAN
PY 2011
VL 6
AR P01003
DI 10.1088/1748-0221/6/01/P01003
PG 16
WC Instruments & Instrumentation
SC Instruments & Instrumentation
GA 773XS
UT WOS:000291345600003
ER
PT J
AU Zhou, Y
Evans, GH
Chowdhury, M
Wang, KC
Fries, R
AF Zhou, Yan
Evans, Glenn Hamilton, Jr.
Chowdhury, Mashrur
Wang, Kuang-Ching
Fries, Ryan
TI Wireless Communication Alternatives for Intelligent Transportation
Systems: A Case Study
SO JOURNAL OF INTELLIGENT TRANSPORTATION SYSTEMS
LA English
DT Article
DE Wireless Communication; On-Line Traffic Management; WiFi; WiMAX
AB Communication systems are the basis of every effective and reliable traffic control and management application. While cellular-based communication through commercial carriers is widely used for online traffic management applications, public agencies have also begun to consider other technologies, such as WiFi and WiMAX. Most such agencies still seek additional guidelines for the selection of suitable wireless options for different traffic control and management applications under different physical and environmental conditions. Performance and reliability are among the most important parameters to be considered when examining wireless communication options for traffic control and management applications. The authors first conducted interviews with selected traffic agencies regarding their experiences with performance of wireless communication infrastructure, as well as their interests and plans on future expansion. Next, they conducted a thorough literature review focusing on various wireless technologies that could be used in an intelligent transportation system environment. Last, the authors conducted a case study in which a section of the South Carolina Department of Transportation traffic camera system was wirelessly connected via either WiFi or WiMAX network architecture. This case study followed the proposed network design process presented in the article using WiFi and WiMAX technologies to support a traffic surveillance system that considered coverage range and two different network topologies: mesh/ad hoc (devices forward data to neighboring devices to reach the destination) and infrastructure (devices send data to an access point directly). The network simulator ns-2 was used to assess the average throughput that each camera can receive in different network topologies. Throughput/cost analysis of WiFi and WiMAX mesh and infrastructure topologies indicated that for given number of devices, a mesh network has better throughput for every dollar spent than infrastructure based topology. This article provides a foundation for further investigation of WiFi and WiMAX performance and reliability under different network topologies. Findings from this research will benefit transportation agencies and other stakeholders in evaluating and selecting wireless communication options and network topologies for various traffic control and management applications.
C1 [Chowdhury, Mashrur] Clemson Univ, Dept Civil Engn, Clemson, SC 29634 USA.
[Zhou, Yan] Argonne Natl Lab, Ctr Transportat Res, Lemont, IL USA.
[Evans, Glenn Hamilton, Jr.; Wang, Kuang-Ching] Clemson Univ, Dept Elect & Comp Engn, Clemson, SC 29634 USA.
[Fries, Ryan] So Illinois Univ, Dept Civil Engn, Edwardsville, IL 62026 USA.
RP Chowdhury, M (reprint author), Clemson Univ, Dept Civil Engn, 216 Lowry Hall, Clemson, SC 29634 USA.
EM mac@clemson.edu
NR 44
TC 5
Z9 5
U1 1
U2 6
PU TAYLOR & FRANCIS INC
PI PHILADELPHIA
PA 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
SN 1547-2450
J9 J INTELL TRANSPORT S
JI J. Intell. Transport. Syst.
PY 2011
VL 15
IS 3
BP 147
EP 160
DI 10.1080/15472450.2011.594681
PG 14
WC Transportation Science & Technology
SC Transportation
GA 883ED
UT WOS:000299615900003
ER
PT J
AU Zhang, L
Song, J
Cavigiolio, G
Ishida, BY
Zhang, SL
Kane, JP
Weisgraber, KH
Oda, MN
Rye, KA
Pownall, HJ
Ren, G
AF Zhang, Lei
Song, James
Cavigiolio, Giorgio
Ishida, Brian Y.
Zhang, Shengli
Kane, John P.
Weisgraber, Karl H.
Oda, Michael N.
Rye, Kerry-Anne
Pownall, Henry J.
Ren, Gang
TI Morphology and structure of lipoproteins revealed by an optimized
negative-staining protocol of electron microscopy
SO JOURNAL OF LIPID RESEARCH
LA English
DT Article
DE lipoprotein structure; lipoprotein morphology; protocol
ID HIGH-DENSITY-LIPOPROTEIN; APOLIPOPROTEIN-A-I; LECITHIN-CHOLESTEROL
ACYLTRANSFERASE; SINGLE-PARTICLE RECONSTRUCTIONS; RESONANCE
ENERGY-TRANSFER; CORONARY-ARTERY DISEASE; LIMPET HEMOCYANIN KLH;
C-TERMINAL DOMAIN; SERUM-LIPOPROTEINS; CRYOELECTRON MICROSCOPY
AB Plasma lipoprotein levels are predictors of risk for coronary artery disease. Lipoprotein structure-function relationships provide important clues that help identify the role of lipoproteins in cardiovascular disease. The compositional and conformational heterogeneity of lipoproteins are major barriers to the identification of their structures, as discovered using traditional approaches. Although electron microscopy (EM) is an alternative approach, conventional negative staining (NS) produces rouleau artifacts. In a previous study of apolipoprotein (apo)E4-containing reconstituted HDL (rHDL) particles, we optimized the NS method in a way that eliminated rouleaux. Here we report that phosphotungstic acid at high buffer salt concentrations plays a key role in rouleau formation. We also validate our protocol for analyzing the major plasma lipoprotein classes HDL, LDL, IDL, and VLDL, as well as homogeneously prepared apoA-I-containing rHDL. High-contrast EM images revealed morphology and detailed structures of lipoproteins, especially apoA-I-containing rHDL, that are amenable to three-dimensional reconstruction by single-particle analysis and electron tomography.-Zhang, L., J. Song, G. Cavigiolio, B. Y. Ishida, S. Zhang, J. P. Kane, K. H. Weisgraber, M. N. Oda, K-A. Rye, H. J. Pownall, and G. Ren. The morphology and structure of lipoproteins revealed by an optimized negativestaining protocol of electron microscopy. J. Lipid Res. 2011. 52: 175-184.
C1 [Zhang, Lei; Ren, Gang] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Zhang, Lei; Song, James; Ren, Gang] Univ Calif San Francisco, Dept Biochem & Biophys, San Francisco, CA 94143 USA.
[Cavigiolio, Giorgio; Oda, Michael N.] Childrens Hosp Oakland Res Inst, Oakland, CA 94609 USA.
[Ishida, Brian Y.; Kane, John P.] Univ Calif San Francisco, Cardiovasc Res Inst, San Francisco, CA 94158 USA.
[Zhang, Shengli; Ren, Gang] Xi An Jiao Tong Univ, Dept Appl Phys, Xian 710049, Peoples R China.
[Weisgraber, Karl H.] Univ Calif San Francisco, Gladstone Inst Neurol Dis, San Francisco, CA 94158 USA.
[Weisgraber, Karl H.] Univ Calif San Francisco, Dept Pathol, San Francisco, CA 94158 USA.
[Rye, Kerry-Anne] Heart Res Inst, Lipid Res Grp, Sydney, NSW 2050, Australia.
[Rye, Kerry-Anne] Univ Sydney, Fac Med, Sydney, NSW 2060, Australia.
[Rye, Kerry-Anne] Univ Melbourne, Dept Med, Melbourne, Vic 3010, Australia.
[Pownall, Henry J.] Baylor Coll Med, Dept Med, Houston, TX 77030 USA.
RP Ren, G (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
EM gren@lbl.gov
RI Zhang, Lei/G-6427-2012; Zhang, Shengli/G-5219-2010
OI Zhang, Lei/0000-0002-4880-824X;
FU Office of Science, Office of Basic Energy Sciences of the U.S.
Department of Energy [DE-AC02-05CH11231]; W.M. Keck foundations; State
Scholarship of China through China Scholarship Council [2008628018]
FX This work was supported by the Office of Science, Office of Basic Energy
Sciences of the U.S. Department of Energy (contract no.
DE-AC02-05CH11231) and the W.M. Keck foundations to G.R. L.Z. was
supported in part by the State Scholarship of China through China
Scholarship Council (file no. 2008628018).
NR 81
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Z9 38
U1 0
U2 13
PU AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC
PI BETHESDA
PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3996 USA
SN 0022-2275
J9 J LIPID RES
JI J. Lipid Res.
PD JAN
PY 2011
VL 52
IS 1
BP 175
EP 184
DI 10.1194/jlr.D010959
PG 10
WC Biochemistry & Molecular Biology
SC Biochemistry & Molecular Biology
GA 692WA
UT WOS:000285185400019
PM 20978167
ER
PT J
AU Woo, BK
Joly, AG
Chen, W
AF Woo, Boon Kuan
Joly, Alan G.
Chen, Wei
TI Observation of green emission from Ce3+-doped gadolinium oxide
nanoparticles
SO JOURNAL OF LUMINESCENCE
LA English
DT Article
DE Gd2O3 Ce; Nanoparticles; Green emission; Luminescence; Defects
ID OPTICAL-PROPERTIES; SCINTILLATION PROPERTIES; LUMINESCENT PROPERTIES;
DOPED NANOCRYSTALS; CANCER-TREATMENT; QUANTUM DOTS; SPECTROSCOPY;
RADIATION; CRYSTALS; EU3+
AB Green emission at around 500 nm is observed in Gd2O3 Ce3+ nanoparticles and the intensity is highly dependent on the concentration of Ce3+ in the nanoparticles The luminescence of this emission displays both picosecond (ps) and millisecond (ms) lifetimes The ms lifetime is over four orders of magnitude longer than typical luminescence lifetimes (10-40 ns) of Ce3+ in traditional Ce3+ doped phosphors and therefore likely originates from defect states The picosecond lifetime is shorter than the typical Ce3+ value and is also likely due to defect or surface states When the samples are annealed at 700 degrees C this emission disappears possibly due to changes in the defect moieties or concentration In addition a blue emission at around 430 nm is observed in freshly prepared Gd2O3 undoped nanoparticles which is attributed to the stabilizer polyethylene glycol biscarboxymethyl ether On aging the undoped particles show similar emission to the doped particles with similar luminescence lifetimes When Eu3+ ions are co-doped in Gd2O3 Ce nanoparticles, both the green emission and the emission at 612 nm from Eu3+ are observed (c) 2010 Elsevier B V All rights reserved
C1 [Woo, Boon Kuan; Chen, Wei] Univ Texas Arlington, Dept Phys, Arlington, TX 76019 USA.
[Joly, Alan G.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Chen, W (reprint author), Univ Texas Arlington, Dept Phys, POB 19059, Arlington, TX 76019 USA.
FU UTA; NSF [2008-DN-077-ARI016-03]; DHS [2008-DN-077-ARI016-03]; US Army
Medical Research Acquisition Activity (USAM-RAA) [W81XWH-10-1-0279,
W81XWH-10-1-0234, DOD DTRA08-005-II]; Department of Energy s Office of
Biological and Environmental Research; US Department of Energy
[DE-AC06-76RLO1830]
FX We would like to thank the support by the Startup funds from UTA, the
NSF and DHS Joint program (2008-DN-077-ARI016-03), and the US Army
Medical Research Acquisition Activity (USAM-RAA) under Contracts for
W81XWH-10-1-0279 and W81XWH-10-1-0234, and DOD DTRA08-005-II Part of the
research described was performed at the W R Wiley 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 (PNNL) PNNL is operated by Battelle for the US Department of
Energy under contract DE-AC06-76RLO1830
NR 36
TC 6
Z9 6
U1 1
U2 19
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-2313
J9 J LUMIN
JI J. Lumines.
PD JAN
PY 2011
VL 131
IS 1
BP 49
EP 53
DI 10.1016/j.jlumin.2010.08.028
PG 5
WC Optics
SC Optics
GA 690AN
UT WOS:000284972500010
ER
PT J
AU Steinwart, I
Hush, D
Scovel, C
AF Steinwart, Ingo
Hush, Don
Scovel, Clint
TI Training SVMs Without Offset
SO JOURNAL OF MACHINE LEARNING RESEARCH
LA English
DT Article
DE support vector machines; decomposition algorithms
ID SUPPORT VECTOR MACHINES; TIME DECOMPOSITION ALGORITHMS; WORKING SET
SELECTION; SMO ALGORITHM; CONVERGENCE
AB We develop, analyze, and test a training algorithm for support vector machine classifiers without offset. Key features of this algorithm are a new, statistically motivated stopping criterion, new warm start options, and a set of inexpensive working set selection strategies that significantly reduce the number of iterations. For these working set strategies, we establish convergence rates that, not surprisingly, coincide with the best known rates for SVMs with offset. We further conduct various experiments that investigate both the run time behavior and the performed iterations of the new training algorithm. It turns out, that the new algorithm needs significantly less iterations and also runs substantially faster than standard training algorithms for SVMs with offset.
C1 [Steinwart, Ingo] Univ Stuttgart, Inst Stochast & Anwendungen, Fak Math & Phys, D-70569 Stuttgart, Germany.
[Hush, Don; Scovel, Clint] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Steinwart, I (reprint author), Univ Stuttgart, Inst Stochast & Anwendungen, Fak Math & Phys, Pfaffenwaldring 57, D-70569 Stuttgart, Germany.
EM INGO.STEINWART@MATHEMATIK.UNI-STUTTGART.DE; DHUSH@LANL.GOV; JCS@LANL.GOV
OI Steinwart, Ingo/0000-0002-4436-7109
NR 28
TC 17
Z9 18
U1 1
U2 3
PU MICROTOME PUBL
PI BROOKLINE
PA 31 GIBBS ST, BROOKLINE, MA 02446 USA
SN 1532-4435
J9 J MACH LEARN RES
JI J. Mach. Learn. Res.
PD JAN
PY 2011
VL 12
BP 141
EP 202
PG 62
WC Automation & Control Systems; Computer Science, Artificial Intelligence
SC Automation & Control Systems; Computer Science
GA 729HE
UT WOS:000287938500006
ER
PT J
AU Yang, CX
Manocchi, AK
Lee, B
Yi, HM
AF Yang, Cuixian
Manocchi, Amy K.
Lee, Byeongdu
Yi, Hyunmin
TI Viral-templated palladium nanocatalysts for Suzuki coupling reaction
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID TOBACCO-MOSAIC-VIRUS; IN-SITU GISAXS; ARYL CHLORIDES; HOMOCOUPLING
REACTION; THERMAL-STABILITY; PLATINUM CLUSTERS; ARYLBORONIC ACIDS;
WATER; NANOPARTICLES; CATALYSTS
AB We demonstrate and thoroughly examine tobacco mosaic virus (TMV)-templated palladium (Pd) nanocatalysts for the ligand-free Suzuki coupling reaction under mild conditions. The surface-assembled TMV templates allow for facile catalyst synthesis under mild aqueous conditions that leads to high Pd surface loading and stability. Further, the chip-based format enables simple catalyst separation and reuse as well as facile product recovery. Reaction condition studies demonstrated that the solvent ratio played an important role in the selectivity of the Suzuki reaction, and that a higher water/acetonitrile ratio significantly facilitated the cross-coupling pathway. We envision that our viral template-based bottom-up assembly approach can be readily extended to other biotemplates, metal catalysts and organic reaction systems.
C1 [Yang, Cuixian; Manocchi, Amy K.; Yi, Hyunmin] Tufts Univ, Dept Chem & Biol Engn, Medford, MA 02155 USA.
[Lee, Byeongdu] Argonne Natl Lab, Xray Sci Div, Argonne, IL 60439 USA.
RP Yi, HM (reprint author), Tufts Univ, Dept Chem & Biol Engn, Medford, MA 02155 USA.
EM hyunmin.yi@tufts.edu
RI Yi, Hyunmin/B-9852-2008;
OI Lee, Byeongdu/0000-0003-2514-8805
FU Stanley Charm Fellowship; Wittich Family Fund for Sustainable Energy;
National Science Foundation [CBET-0941538, DMR-1006613]; US Department
of Energy, BES-Chemical Sciences and BES-Scientific User Facilities
[DE-AC-02-06CH11357]; UChicago Argonne, LLC, operator of Argonne
National Laboratory
FX We gratefully acknowledge financial support by the Stanley Charm
Fellowship (C.Y.). Partial funding for this work was also provided by
the Wittich Family Fund for Sustainable Energy and by the National
Science Foundation under Grant No. CBET-0941538 and DMR-1006613. GISAXS
work at Argonne National Laboratory was supported by the US Department
of Energy, BES-Chemical Sciences and BES-Scientific User Facilities
under Contract DE-AC-02-06CH11357 with UChicago Argonne, LLC, operator
of Argonne National Laboratory. We thank Jessica Englehart and Yonggang
Wang from Department of Civil and Environmental Engineering of Tufts
University for the help in ICP examination.
NR 44
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U1 0
U2 19
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 1
BP 187
EP 194
DI 10.1039/c0jm03145c
PG 8
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 691GC
UT WOS:000285067300023
ER
PT J
AU Han, TYJ
Worsley, MA
Baumann, TF
Satcher, JH
AF Han, T. Yong-Jin
Worsley, Marcus A.
Baumann, Theodore F.
Satcher, Joe H., Jr.
TI Synthesis of ZnO coated activated carbon aerogel by simple sol-gel route
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID LIGHT-EMITTING DIODE; METHANOL FUEL-CELL; ZINC-OXIDE; MOLECULAR-SIEVES;
MESOPOROUS ZNO; PORE SIZES; FILMS; CATALYSIS; ELECTRODES; FRAMEWORK
AB We demonstrated the synthesis of high surface area ZnO-ACA composites with well-crystallized ZnO nanoparticles by simple sol-gel process. The coverage of ZnO nanoparticles on the carbon framework of ACA is very uniform, with no exposed carbon framework. Thermal removal of carbon produces ZnO replica structure mimicking the original ACA framework.
C1 [Han, T. Yong-Jin; Worsley, Marcus A.; Baumann, Theodore F.; Satcher, Joe H., Jr.] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA.
RP Han, TYJ (reprint author), Lawrence Livermore Natl Lab, 7000 E Ave L-235, Livermore, CA 94550 USA.
EM han5@llnl.gov
RI Worsley, Marcus/G-2382-2014
OI Worsley, Marcus/0000-0002-8012-7727
FU US Department of Energy by Lawrence Livermore National Laboratory
[DE-AC52-07NA27344]; LLNL [09-LW-024]
FX This work performed under the auspices of the US Department of Energy by
Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344.
The project 09-LW-024 was funded by the Laboratory Directed Research and
Development Program at LLNL.
NR 46
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U1 4
U2 50
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 2
BP 330
EP 333
DI 10.1039/c0jm03204b
PG 4
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 695RW
UT WOS:000285391300006
ER
PT J
AU Mayoral, A
Allard, LF
Ferrer, D
Esparza, R
Jose-Yacaman, M
AF Mayoral, Alvaro
Allard, Lawrence F.
Ferrer, Domingo
Esparza, Rodrigo
Jose-Yacaman, Miguel
TI On the behavior of Ag nanowires under high temperature: in situ
characterization by aberration-corrected STEM
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID UNIFORM SILVER NANOWIRES; CARBON NANOTUBES; ELECTRON; WIRE;
NANOPARTICLES; IRRADIATION; ARRAYS
AB Single crystal nanowires have been monitored at a wide range of temperatures from room temperature up to 900 degrees C using an aberration-corrected JEOL 2200FS scanning transmission electron microscope in both, bright field and high angle annular dark field, modes. The in situ measurements allowed heating and cooling the material instantaneously at the desired value making able to analyze the behaviour of silver nanowires at atomic resolution. The nanowires which firstly melted and subsequently vaporized left after the reaction empty carbon nanotubes. In addition, a Chevron-like defect has been also observed for the first time in silver nanowires and a structural analysis has been carried out by aberration corrected scanning transmission electron microscopy using high angle annular dark field imaging.
C1 [Mayoral, Alvaro; Esparza, Rodrigo; Jose-Yacaman, Miguel] Univ Texas San Antonio, Dept Phys & Astron, San Antonio, TX 78249 USA.
[Allard, Lawrence F.] Oak Ridge Natl Lab, High Temp Mat Lab, Microscopy Grp, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Ferrer, Domingo] Univ Texas Austin, Microelect Res Ctr, Austin, TX 78758 USA.
RP Jose-Yacaman, M (reprint author), Univ Texas San Antonio, Dept Phys & Astron, 1 UTSA Circle, San Antonio, TX 78249 USA.
EM miguel.yacaman@utsa.edu
RI jose yacaman, miguel/B-5622-2009; Mayoral, Alvaro/H-2093-2015
OI Mayoral, Alvaro/0000-0002-5229-2717
FU US Department of Energy, Office of Energy Efficiency and Renewable
Energy; Welch foundation [AX-161]; NSF foundation [DMR 0934218]
FX This research at the Oak Ridge National Laboratory's High Temperature
Materials Laboratory was sponsored by the US Department of Energy,
Office of Energy Efficiency and Renewable Energy, Vehicle Technologies
Program. The authors would also like to thank CONACYT, CONICET. We
acknowledge the Welch foundation PROJECT # AX-161 for financial support.
We also acknowledge the NSF foundation for support through PREM program
grant DMR 0934218 and to Dave Olmos for technical support.
NR 41
TC 17
Z9 17
U1 2
U2 29
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
EI 1364-5501
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 3
BP 893
EP 898
DI 10.1039/c0jm02624g
PG 6
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 700NH
UT WOS:000285749900043
ER
PT J
AU Pan, AQ
Liu, J
Zhang, JG
Cao, GZ
Xu, W
Nie, ZM
Jie, XA
Choi, DW
Arey, BW
Wang, CM
Liang, SQ
AF Pan, Anqiang
Liu, Jun
Zhang, Ji-Guang
Cao, Guozhong
Xu, Wu
Nie, Zimin
Jie, Xiao
Choi, Daiwon
Arey, Bruce W.
Wang, Chongmin
Liang, Shuquan
TI Template free synthesis of LiV3O8 nanorods as a cathode material for
high-rate secondary lithium batteries
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID LOW-TEMPERATURE SYNTHESIS; SOL-GEL METHOD; ELECTROCHEMICAL PROPERTIES;
LI1+XV3O8; VANADIUM; PERFORMANCE; LI1.2V3O8; INSERTION; LI1.1V3O8;
CHEMISTRY
AB A novel, template-free, low-temperature method has been developed to synthesize LiV3O8 cathode material for high-power secondary lithium (Li) batteries. The LiV3O8 prepared using this new method was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The thermal decomposition process was investigated using thermogravimetric (TG) and differential thermal analysis (DTA). LiV3O8 produced using the conventional high-temperature fabrication method also was analyzed. The electrochemical performances and the effects of synthesis temperature on our LiV3O8 and the conventionally produced LiV3O8 were compared. The LiV3O8 produced using our new method has a nanorod crystallite structure composed of uniform, well-separated particles with diameters ranging from 30 to 150 nm. The TEM work reveals the stacking defaults within the nanorod structures, which would facilitate the electron transportation during the insertion and removal process of lithium ions. It delivers specific discharge capacities of 320 mAh g(-1) and 239 mAh g(-1) at current densities of 100 mA g(-1) and 1 A g(-1), respectively. It also exhibits excellent capacity retention with only 0.23% capacity fading per cycle. This excellent electrochemical performance can be attributed to the superior structural characteristics of our material, and the results of our study demonstrate that LiV3O8 nanorod crystallites produced by this new thermal decomposition method are promising cathode materials for high-power Li batteries.
C1 [Liu, Jun] Pacific NW Natl Lab, Fundamental & Computat Sci Directorate, Richland, WA 99354 USA.
[Pan, Anqiang; Liang, Shuquan] Cent S Univ, Dept Mat Sci & Engn, Changsha 410083, Peoples R China.
[Pan, Anqiang; Zhang, Ji-Guang; Xu, Wu; Nie, Zimin; Jie, Xiao; Choi, Daiwon] Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99354 USA.
[Cao, Guozhong] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA.
[Arey, Bruce W.; Wang, Chongmin] Pacific NW Natl Lab, Environm Mol Sci Lab, Richland, WA 99354 USA.
RP Liu, J (reprint author), Pacific NW Natl Lab, Fundamental & Computat Sci Directorate, Richland, WA 99354 USA.
EM jun.liu@pnl.gov; jiguang.zhang@pnl.gov; lsq@mail.csu.edu.cn
RI Choi, Daiwon/B-6593-2008; Cao, Guozhong/E-4799-2011
FU National Nature Science Foundation of China [50774097]; Creative
Research Group of the National Natural Science Foundation of China
[50721003]; Pacific Northwest National Laboratory (PNNL); Office of
Vehicle Technology of U.S. Department of Energy (DOE); DOE's Office of
Biological and Environmental Research; DOE Office of Basic Energy
Sciences, Division of Materials Sciences and Engineering
[KC020105-FWP12152]
FX We acknowledge the financial support provided by the National Nature
Science Foundation of China (No. 50774097), the Creative Research Group
of the National Natural Science Foundation of China (No. 50721003), the
Laboratory Directed Research and Development Program of Pacific
Northwest National Laboratory (PNNL), and the Batteries for the Advanced
Transportation Technologies program of Office of Vehicle Technology of
U.S. Department of Energy (DOE). The TEM work was performed at the
Environmental Molecular Sciences Laboratory, a national scientific-user
facility sponsored by the DOE's Office of Biological and Environmental
Research and located at PNNL. The DOE Office of Basic Energy Sciences,
Division of Materials Sciences and Engineering, also provided support
under Award KC020105-FWP12152.
NR 44
TC 79
Z9 81
U1 7
U2 88
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 4
BP 1153
EP 1161
DI 10.1039/c0jm02810j
PG 9
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 705DZ
UT WOS:000286110400032
ER
PT J
AU Wettach, H
Hoger, S
Chaudhuri, D
Lupton, JM
Liu, F
Lupton, EM
Tretiak, S
Wang, GJ
Li, M
De Feyter, S
Fischer, S
Forster, S
AF Wettach, Henning
Hoeger, Sigurd
Chaudhuri, Debangshu
Lupton, John. M.
Liu, Feng
Lupton, Elizabeth M.
Tretiak, Sergei
Wang, Guojie
Li, Min
De Feyter, Steven
Fischer, Steffen
Foerster, Stephan
TI Synthesis and properties of a triphenylene-butadiynylene macrocycle
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID SHAPE-PERSISTENT MACROCYCLES; POLYCYCLIC AROMATIC-HYDROCARBONS;
SCANNING-TUNNELING-MICROSCOPY; LIQUID-SOLID INTERFACE; COIL
BLOCK-COPOLYMERS; PI-PI-INTERACTIONS; ETHYNYLENE MACROCYCLES; CONJUGATED
MACROCYCLE; ASSOCIATION BEHAVIOR; MOLECULAR NETWORKS
AB The synthesis and characterization of a shape-persistent triphenylene-butadiynylene macrocycle formed by intermolecular Glaser-coupling of two "half-rings" and also by intramolecular coupling of the appropriate open dimer, respectively, are described in detail. The investigation of the photophysics has revealed that-compared to its open dimer-the macrocycle is more conjugated in the ground state and less so in the excited state, a result of the diacetylene bending in the macrocycle due to its constrained topology. The macrocycle is decorated with flexible side groups that support its adsorption on highly oriented pyrolytic graphite (HOPG) where a concentration-dependence of the 2D-structure is observed by means of scanning tunnelling microscopy (STM). The flexible side groups also guarantee a high compound solubility even in nonpolar solvents (cyclohexane). However, solvophobic interactions lead to the formation of a tube-like superstructure, as revealed by dynamic light scattering, X-ray scattering and atomic force microscopy.
C1 [Wettach, Henning; Hoeger, Sigurd] Univ Bonn, Kekule Inst Organ Chem & Biochem, D-53121 Bonn, Germany.
[Chaudhuri, Debangshu; Lupton, John. M.] Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA.
[Liu, Feng; Lupton, Elizabeth M.] Univ Utah, Dept Mat Sci, Salt Lake City, UT 84112 USA.
[Tretiak, Sergei] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Tretiak, Sergei] Los Alamos Natl Lab, Ctr Integrated Nanotechnol CINT, Los Alamos, NM 87545 USA.
[Wang, Guojie; Li, Min; De Feyter, Steven] Katholieke Univ Leuven, Dept Chem, Lab Photochem & Spect, B-3001 Heverlee, Belgium.
[Wang, Guojie; Li, Min; De Feyter, Steven] Katholieke Univ Leuven, Inst Nanoscale Phys & Chem, B-3001 Heverlee, Belgium.
[Fischer, Steffen; Foerster, Stephan] Univ Hamburg, Inst Phys Chem, D-20146 Hamburg, Germany.
RP Hoger, S (reprint author), Univ Bonn, Kekule Inst Organ Chem & Biochem, Gerhard Domagk Str 1, D-53121 Bonn, Germany.
EM hoeger@uni-bonn.de; lupton@physics.utah.edu; lupton@eng.utah.edu;
Steven.DeFeyter@chem.kuleuven.be; forster@chemie.uni-hamburg.de
RI Chaudhuri, Debangshu/E-2513-2013; Forster, Stephan/B-2180-2015; Tretiak,
Sergei/B-5556-2009; De Feyter, Steven/K-7245-2014
OI Tretiak, Sergei/0000-0001-5547-3647; De Feyter,
Steven/0000-0002-0909-9292
FU Deutsche Forschungsgemeinschaft (DFG) [SFB 624]; MIWFT; Volkswagen
Foundation; K.U. Leuven (GOA); Fund for Scientific Research-Flanders
(F.W.O.); Belgian Federal Science Policy Office [IAP-6/27]; LANL-CINT
FX Financial support by the Deutsche Forschungsgemeinschaft (DFG), the SFB
624, the MIWFT in the frame of the consortium ENQUETE, the Volkswagen
Foundation (JML and SH), K.U. Leuven (GOA), Fund for Scientific
Research-Flanders (F.W.O.) and the Belgian Federal Science Policy Office
through IAP-6/27 is gratefully acknowledged. EML and JML acknowledge
support through a LANL-CINT user project. JML is a David and Lucile
Packard Foundation Fellow.
NR 121
TC 12
Z9 12
U1 2
U2 64
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 5
BP 1404
EP 1415
DI 10.1039/c0jm02150d
PG 12
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 708AF
UT WOS:000286332000015
ER
PT J
AU Rodriguez, EE
Poineau, F
Llobet, A
Thompson, JD
Seshadri, R
Cheetham, AK
AF Rodriguez, Efrain E.
Poineau, Frederic
Llobet, Anna
Thompson, Joe D.
Seshadri, Ram
Cheetham, Anthony K.
TI Preparation, magnetism and electronic structures of cadmium technetates
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID PYROCHLORE OXIDE CD2RE2O7; CRYSTAL-STRUCTURES; TRANSITION; DIFFRACTION;
PEROVSKITES; CD2OS2O7; HALIDES
AB Due to the scarcity of the artificial transition metal technetium, studies on the solid-state properties of its oxides have been rarely undertaken. We have prepared a new technetium metal oxide system that include the 4d metal in two separate oxidation states and have characterized the new phases' crystal structures and magnetic properties. One phase Cd2Tc2O7 was prepared through the vapor-phase reaction of the heptaoxide Tc2O7 with Cd metal; the other phase, CdTcO3, was prepared through the solid state reaction of TcO2 with CdO. High-resolution synchrotron X-ray diffraction was used to characterize the crystal structures and stoichiometries of the two new technetates. At room temperature, Cd2Tc2O7 takes on the pyrochlore structure with a 10.18118(1) angstrom, space group, Fd (3) over barm and Z = 8. CdTcO3 has the GdFeO3-type structure with space group Pbnm and a 5.38881(1) angstrom, b = 5.46504(1) angstrom, and c = 7.71272(1) angstrom. The magnetic susceptibility behavior of Cd2Tc2O7 is strikingly similar to that observed in Cd2Re2O7, with a broad transition close to 200 K. The magnetic behavior of Cd2Tc2O7 is also compared with that of isomorphous Pb2Tc2O6 and Bi2Tc2O7, also presented in this study. The magnetic susceptibility of the distorted perovskite phase CdTcO3 is weakly temperature dependent, with no obvious signs of an ordering transition below 300 K. Electronic band structure calculations performed to simulate electronic densities of states indicate that the Fermi level is located in a 't(2g)' band of the octahedrally coordinated Tc cations and therefore metallic conductivity in both CdTcO3 and Cd2Tc2O7.
C1 [Rodriguez, Efrain E.] Natl Inst Stand & Technol, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA.
[Rodriguez, Efrain E.; Llobet, Anna] Los Alamos Natl Lab, Manuel Lujan Neutron Scattering Ctr, Los Alamos, NM 87545 USA.
[Poineau, Frederic] Univ Nevada, Harry Reid Ctr Environm Studies, Las Vegas, NV 89154 USA.
[Thompson, Joe D.] Los Alamos Natl Lab, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA.
[Seshadri, Ram] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA.
[Seshadri, Ram] Univ Calif Santa Barbara, Mat Res Lab, Santa Barbara, CA 93106 USA.
[Cheetham, Anthony K.] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England.
RP Rodriguez, EE (reprint author), Natl Inst Stand & Technol, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA.
EM efrainr@nist.gov
RI Sanders, Susan/G-1957-2011; Llobet, Anna/B-1672-2010; Lujan Center,
LANL/G-4896-2012; Seshadri, Ram/C-4205-2013; Rodriguez,
Efrain/N-1928-2013
OI Seshadri, Ram/0000-0001-5858-4027; Rodriguez, Efrain/0000-0001-6044-1543
FU U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences [DE-AC02-06CH11357]; U.S. Department of Energy, Office of Basic
Energy Sciences
FX 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. Work at Los Alamos was performed under
the auspices of the U.S. Department of Energy, Office of Basic Energy
Sciences. We would like to thank Brian Toby and Lynn Ribaud from the APS
for their help in obtaining the synchrotron XRD data, and Tom O'Dou from
the HRC for his valuable help with health physics.
NR 39
TC 6
Z9 6
U1 1
U2 21
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 5
BP 1496
EP 1502
DI 10.1039/c0jm02470h
PG 7
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 708AF
UT WOS:000286332000026
ER
PT J
AU Davis, RJ
Lloyd, MT
Ferreira, SR
Bruzek, MJ
Watkins, SE
Lindell, L
Sehati, P
Fahlman, M
Anthony, JE
Hsu, JWP
AF Davis, Robert J.
Lloyd, Matthew T.
Ferreira, Summer R.
Bruzek, Matthew J.
Watkins, Scott E.
Lindell, Linda
Sehati, Parisa
Fahlman, Mats
Anthony, John E.
Hsu, Julia W. P.
TI Determination of energy level alignment at interfaces of hybrid and
organic solar cells under ambient environment
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID INDIUM-TIN-OXIDE; OPEN-CIRCUIT VOLTAGE; WORK FUNCTION; PHOTOVOLTAIC
CELLS; KELVIN PROBE; ELECTRONIC-STRUCTURES; PHOTOEMISSION; SURFACE;
PENTACENE; SPECTROSCOPY
AB Device function in organic electronics is critically governed by the transport of charge across interfaces of dissimilar materials. Accurate measurements of energy level positions in organic electronic devices are therefore necessary for assessing the viability of new materials and optimizing device performance. In contrast to established methods that are used in solution or vacuum environments, here we combine Kelvin probe measurements performed in ambient environments to obtain work function values with photoelectron spectroscopy in air to obtain ionization potential, so that a complete energy level diagram for organic semiconductors can be determined. We apply this new approach to study commonly used electron donor and acceptor materials in organic photovoltaics (OPV), including poly(3-hexylthiophene) (P3HT), [6,6]-phenyl C61 butyric acid methyl ester (PCBM), and ZnO, as well as examine new materials. Band alignments across the entire OPV devices are constructed and compared with actual device performance. The ability to determine interfacial electronic properties in the devices enables us to answer the outstanding question: why previous attempts to make OPV devices using 6,13-bis(triisopropylsilylethynyl) (TIPS)-pentacene as the electron donor were not successful.
C1 [Davis, Robert J.; Ferreira, Summer R.; Hsu, Julia W. P.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
[Lloyd, Matthew T.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Bruzek, Matthew J.; Anthony, John E.] Univ Kentucky, Lexington, KY 40506 USA.
[Watkins, Scott E.] CSIRO Mat Sci & Engn, Clayton, Vic 3169, Australia.
[Lindell, Linda; Sehati, Parisa; Fahlman, Mats] Linkoping Univ, S-58183 Linkoping, Sweden.
RP Davis, RJ (reprint author), GE Global Res, 1 Res Circle, Niskayuna, NY 12309 USA.
EM davisrob@ge.com
RI Watkins, Scott/C-7463-2009; CSIRO, OPV/F-2904-2013; Fahlman,
Mats/A-1524-2009;
OI Watkins, Scott/0000-0002-6058-9895; Fahlman, Mats/0000-0001-9879-3915;
Anthony, John/0000-0002-8972-1888
FU U.S. Department of Energy, Office of Basic Energy Sciences, Division of
Material Sciences and Engineering; United States Department of Energy
[DE-AC04-94AL85000]
FX The authors are grateful to M. T. Brumbach for the UPS measurements of
ZnOnp films, P. Lu for the transmission electron microscopy image of the
ZnO/P3HT bilayer device, and D. L. Moore and R. G. Copeland for
technical support and XRD measurements. The materials fabrication was
supported by a Sandia LDRD program and the development of ambient band
alignment measurements was supported by the U.S. Department of Energy,
Office of Basic Energy Sciences, Division of Material Sciences and
Engineering. Sandia is a multiprogram laboratory operated by Sandia
Corporation, a Lockheed Martin Company, for the United States Department
of Energy under contract DE-AC04-94AL85000.
NR 44
TC 77
Z9 78
U1 11
U2 118
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
EI 1364-5501
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 6
BP 1721
EP 1729
DI 10.1039/c0jm02349c
PG 9
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 711TK
UT WOS:000286614100014
ER
PT J
AU Zhang, B
Xu, P
Xie, XM
Wei, H
Li, ZP
Mack, NH
Han, XJ
Xu, HX
Wang, HL
AF Zhang, Bin
Xu, Ping
Xie, Xinmiao
Wei, Hong
Li, Zhipeng
Mack, Nathan H.
Han, Xijiang
Xu, Hongxing
Wang, Hsing-Lin
TI Acid-directed synthesis of SERS-active hierarchical assemblies of silver
nanostructures
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID ENHANCED RAMAN-SCATTERING; GOLD-NANOPARTICLE DIMERS;
CHEMICAL-DEPOSITION; FACILE SYNTHESIS; CATALYTIC-PROPERTIES; HOT-SPOTS;
NANOCRYSTALS; POLARIZATION; MOLECULES; DNA
AB SERS-active silver hierarchical assemblies are synthesized in solution by the assistance of small acid molecules. We here demonstrate the acid-directed self-assembly of metal nanoparticles (MNPs) into large systems with complex structures, without the application of any polymer surfactant or capping agent. It is verified that small acid molecules (citric acid, mandelic acid, etc.) incorporated into conventional solution chemistry can direct the assembly of MNPs into well-defined hierarchical structures. The constructed assembled structures with highly roughened surfaces can be highly sensitive SERS platforms, and the fabricated core-shell Ag wires show especially high SERS sensitivity toward the analyte melamine. The prepared Ag particles with hierarchical structures show no evident polarization-dependent SERS behavior, and this isotropic feature may be an advantage for highly sensitive SERS tags, since no certain incident polarization is required for molecule detection. We believe the subsequent addition of acid to induce formation of self-assembled structures can be a general synthetic platform to fabricate metal structures with complex morphologies.
C1 [Zhang, Bin; Xu, Ping; Xie, Xinmiao; Han, Xijiang] Harbin Inst Technol, Dept Chem, Harbin 150001, Peoples R China.
[Xu, Ping; Mack, Nathan H.; Wang, Hsing-Lin] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA.
[Wei, Hong; Li, Zhipeng; Xu, Hongxing] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China.
RP Xu, P (reprint author), Harbin Inst Technol, Dept Chem, Harbin 150001, Peoples R China.
EM pxu@hit.edu.cn; hongxingxu@aphy.iphy.ac.cn; hwang@lanl.gov
RI li, zhipeng/D-3313-2009; IoP, Nano Lab/B-9663-2013; Xu, Ping/I-1910-2013
OI Xu, Ping/0000-0002-1516-4986
FU Laboratory Directed Research and Development (LDRD) under DOE; BES
Office of Science; National Nanotechnology Enterprise Development Center
(NNEDC); U.S. Department of Energy, Center for Integrated
Nanotechnologies, at Los Alamos National Laboratory [DE-AC52-06NA25396];
Sandia National Laboratories [DE-AC04-94AL85000]; Chinese Scholarship
Council (CSC); NSFC [20776032, 21071037, 10625418, 10874233]; Special
Fund of Harbin Technological Innovation [2010RFXXG012]; MOST
[2007CB936800, 2009CB930700]
FX HLW acknowledges the financial support from Laboratory Directed Research
and Development (LDRD) fund under the auspices of DOE, BES Office of
Science, and the National Nanotechnology Enterprise Development Center
(NNEDC). This work was performed in part at the U.S. Department of
Energy, Center for Integrated Nanotechnologies, at Los Alamos National
Laboratory (Contract DE-AC52-06NA25396) and Sandia National Laboratories
(Contract DE-AC04-94AL85000). PX thanks the support from the Joint
Educational Ph.D. Program of Chinese Scholarship Council (CSC), NSFC
(No. 20776032, 21071037) and Special Fund of Harbin Technological
Innovation (2010RFXXG012). HXX thanks the financial support from NSFC
(No. 10625418, 10874233) and MOST (No. 2007CB936800, 2009CB930700).
NR 56
TC 68
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U1 7
U2 97
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 8
BP 2495
EP 2501
DI 10.1039/c0jm02837a
PG 7
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 718AP
UT WOS:000287092000014
ER
PT J
AU Zhou, XF
Wang, F
Zhu, YM
Liu, ZP
AF Zhou, Xufeng
Wang, Feng
Zhu, Yimei
Liu, Zhaoping
TI Graphene modified LiFePO4 cathode materials for high power lithium ion
batteries
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID ELECTROCHEMICAL PERFORMANCE; CYCLIC PERFORMANCE; CARBON; NANOPARTICLES;
IMPACT; ENERGY; IRON; COMPOSITES; ELECTRODES; PHOSPHATE
AB Graphene-modified LiFePO4 composite has been developed as a Li-ion battery cathode material with excellent high-rate capability and cycling stability. The composite was prepared with LiFePO4 nanoparticles and graphene oxide nanosheets by spray-drying and annealing processes. The LiFePO4 primary nanoparticles embedded in micro-sized spherical secondary particles were wrapped homogeneously and loosely with a graphene 3D network. Such a special nanostructure facilitated electron migration throughout the secondary particles, while the presence of abundant voids between the LiFePO4 nanoparticles and graphene sheets was beneficial for Li+ diffusion. The composite cathode material could deliver a capacity of 70 mAh g(-1) at 60C discharge rate and showed a capacity decay rate of <15% when cycled under 10C charging and 20C discharging for 1000 times.
C1 [Zhou, Xufeng; Liu, Zhaoping] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn NIMTE, Ningbo 315201, Zhejiang, Peoples R China.
[Wang, Feng; Zhu, Yimei] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Liu, ZP (reprint author), Chinese Acad Sci, Ningbo Inst Mat Technol & Engn NIMTE, Ningbo 315201, Zhejiang, Peoples R China.
EM liuzp@nimte.ac.cn
RI Wang, Feng/C-1443-2016
OI Wang, Feng/0000-0003-4068-9212
FU Chinese Academy of Sciences [KGCX2-YW-231-4, KGCX2-YW-365]; Ningbo
Municipality [2009B21005]; Zhejiang Provincial Natural Science
Foundation of China [R4100194, Y4100499]; Natural Science Foundation of
Ningbo [2009A610046, 2009A610029]; US DOE/BES [DE-AC02-98CH10886]
FX We are grateful for financial support from the Chinese Academy of
Sciences (Program of Knowledge Innovation, Grant No. KGCX2-YW-231-4 and
KGCX2-YW-365; Program for Science and Technology Innovative Research
Team of Ningbo Municipality, Grant No. 2009B21005), Zhejiang Provincial
Natural Science Foundation of China (Grant No. R4100194 and Y4100499),
and the Natural Science Foundation of Ningbo (Grant No. 2009A610046 and
2009A610029). Work at Brookhaven was supported by US DOE/BES under
contract No. DE-AC02-98CH10886.
NR 32
TC 267
Z9 280
U1 78
U2 450
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 10
BP 3353
EP 3358
DI 10.1039/c0jm03287e
PG 6
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 724OE
UT WOS:000287585300012
ER
PT J
AU Zubarev, DY
You, XQ
McClean, J
Lester, WA
Frenklach, M
AF Zubarev, Dmitry Yu
You, Xiaoqing
McClean, Jarrod
Lester, William A., Jr.
Frenklach, Michael
TI Patterns of local aromaticity in graphene oxyradicals
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID OXIDATION; SURFACE; SOOT; GRAPHITE; O-2; CHEMISORPTION; DECOMPOSITION;
HYDROCARBONS; SIMULATIONS; MOLECULES
AB Two families of polyaromatic hydrocarbon (PAH) oxyradicals are investigated using density functional theory (DFT) and the semi-empirical PM6 method. These families result from the edge oxidation of substrates that involve only zigzag edges and those that include both zigzag and armchair edges. Oxyradical stability is shown to correlate with local aromatic character of six-atom rings characterized by the harmonic oscillator measure of aromaticity (HOMA) and with the distribution of HOMA values in molecules. It is demonstrated, that oxidation at the edge has a non-local effect on the structure of PAHs and leads to distinguishable types of HOMA patterns that are common for both families of PAHs.
C1 [Zubarev, Dmitry Yu; McClean, Jarrod; Lester, William A., Jr.] Univ Calif Berkeley, Dept Chem, Kenneth S Pitzer Ctr Theoret Chem, Berkeley, CA 94720 USA.
[Lester, William A., Jr.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA.
[Frenklach, Michael] Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
[You, Xiaoqing; Frenklach, Michael] Univ Calif Berkeley, Dept Mech Engn, Berkeley, CA 94720 USA.
RP Lester, WA (reprint author), Univ Calif Berkeley, Dept Chem, Kenneth S Pitzer Ctr Theoret Chem, Berkeley, CA 94720 USA.
EM walester@lbl.gov
RI You, Xiaoqing/B-1240-2015
FU Office of Energy Research, Office of Basic Energy Sciences, Chemical
Sciences, Geosciences and Biosciences Division of the US Department of
Energy [DE-AC03-76F00098]; US Army Corps of Engineers, Humphreys
Engineering Center [W912HQ-07-C-0044]; National Science Foundation [NSF
CHE-0809969]; Office of Science of the U.S. Department of Energy
[DE-AC02-05CH11231]
FX WAL, and MF were supported by the Director, Office of Energy Research,
Office of Basic Energy Sciences, Chemical Sciences, Geosciences and
Biosciences Division of the US Department of Energy, under Contract No.
DE-AC03-76F00098. XY, and MF were supported by the US Army Corps of
Engineers, Humphreys Engineering Center Support Activity, under Contract
No. W912HQ-07-C-0044. DYZ was supported by the National Science
Foundation under grant NSF CHE-0809969. 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 No. DE-AC02-05CH11231.
NR 29
TC 8
Z9 8
U1 0
U2 19
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 10
BP 3404
EP 3409
DI 10.1039/c0jm04360e
PG 6
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 724OE
UT WOS:000287585300020
ER
PT J
AU Cai, L
Arias, AL
Nino, JC
AF Cai, Lu
Arias, Alex L.
Nino, Juan C.
TI The tolerance factors of the pyrochlore crystal structure
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID MICROWAVE DIELECTRIC-PROPERTIES; NEUTRON POWDER DIFFRACTION; CUBIC
PYROCHLORE; ELECTRICAL-PROPERTIES; WEBERITE STRUCTURE; HIGH-PRESSURE;
STRUCTURE REFINEMENT; TRANSPORT-PROPERTIES; MAGNETIC-PROPERTIES; OXIDE
PYROCHLORES
AB The tolerance factor (t) concept, widely used in crystallochemical analysis of perovskites ABO(3), is here applied to A(2)B(2)O(7) fluorite-derivative superstructure: pyrochlores. Based on geometrical considerations of the different cation coordination polyhedra two tolerance factors for pyrochlores are introduced. The t values were calculated for 315 pyrochlores. A stability field is proposed to distinguish A(2)(2+)B(2)(5+)O(7) pyrochlores from A(2)(2+)B(2)(5+)O(7) weberites. A relationship between the tolerance factors and dielectric properties and their applicability to analyze structure-propoerty relations within this family of compounds is also discussed.
C1 [Arias, Alex L.; Nino, Juan C.] Univ Florida, Dept Mat Sci & Engn, Gainesville, FL 32601 USA.
[Cai, Lu] Oak Ridge Natl Lab, Spallat Neutron Source, Oak Ridge, TN 37831 USA.
RP Nino, JC (reprint author), Univ Florida, Dept Mat Sci & Engn, Gainesville, FL 32601 USA.
EM jnino@ufl.mse.edu
RI Cai, Lu/E-5833-2011; Nino, Juan/A-6496-2008
OI Nino, Juan/0000-0001-8256-0535
FU National Science Foundation (NSF) [0449710]
FX The authors would like to acknowledge Julian Guzman for the initial work
and discussions on revisiting the tolerance factor for pyrochlores. This
material is based upon work supported by the National Science Foundation
(NSF) under Grant No. 0449710 and the corresponding author's NSF
American Competitiveness and Innovation Fellowship.
NR 115
TC 17
Z9 17
U1 6
U2 56
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 11
BP 3611
EP 3618
DI 10.1039/c0jm03380d
PG 8
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 729SG
UT WOS:000287970500016
ER
PT J
AU Wang, Y
Zhang, S
Du, D
Shao, YY
Li, ZH
Wang, J
Engelhard, MH
Li, JH
Lin, YH
AF Wang, Ying
Zhang, Sheng
Du, Dan
Shao, Yuyan
Li, Zhaohui
Wang, Jun
Engelhard, Mark H.
Li, Jinghong
Lin, Yuehe
TI Self assembly of acetylcholinesterase on a gold nanoparticles-graphene
nanosheet hybrid for organophosphate pesticide detection using
polyelectrolyte as a linker
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID PHOSPHORYLATED ACETYLCHOLINESTERASE; SELECTIVE DETECTION; CARBON
NANOTUBES; OXIDE SHEETS; NERVE AGENTS; BIOSENSOR; BIOMARKER;
FABRICATION; COMPOSITES; EXPOSURES
AB A nanohybrid of gold nanoparticles (Au NPs) and chemically reduced graphene oxide nanosheets (cr-Gs) was synthesized by in situ growth of Au NPs on the surface of graphene nanosheets in the presence of poly(diallyldimethylammonium chloride) (PDDA), which not only improved the dispersion of Au NPs but also stabilized cholinesterase with high activity and loading efficiency. The obtained nanohybrid was characterized by TEM, XRD, XPS, and electrochemistry. Then an enzyme nanoassembly (AChE/Au NPs/cr-Gs) was prepared by self-assembling acetylcholinesterase (AChE) on Au NP/cr-Gs nanohybrid. An electrochemical sensor based on AChE/Au NPs/cr-Gs was further developed for ultrasensitive detection of organophosphate pesticide. The results demonstrate that the developed approach provides a promising strategy to improve the sensitivity and enzyme activity of electrochemical biosensors.
C1 [Wang, Ying; Li, Jinghong] Tsinghua Univ, Dept Chem, Key Lab Bioorgan Phosphorus Chem & Chem Biol, Beijing 100084, Peoples R China.
[Wang, Ying; Zhang, Sheng; Du, Dan; Shao, Yuyan; Li, Zhaohui; Wang, Jun; Engelhard, Mark H.; Lin, Yuehe] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Du, Dan] Cent China Normal Univ, Coll Chem, Minist Educ, Key Lab Pesticide & Chem Biol, Wuhan 430079, Peoples R China.
RP Li, JH (reprint author), Tsinghua Univ, Dept Chem, Key Lab Bioorgan Phosphorus Chem & Chem Biol, Beijing 100084, Peoples R China.
EM jhli@mail.tsinghua.edu.cn; yuehe.lin@pnl.gov
RI Zhang, Sheng/H-2452-2011; Shao, Yuyan/A-9911-2008; Lin,
Yuehe/D-9762-2011; Li, Jinghong /D-4283-2012; Engelhard,
Mark/F-1317-2010; Du, Dan (Annie)/G-3821-2012;
OI Zhang, Sheng/0000-0001-7532-1923; Shao, Yuyan/0000-0001-5735-2670; Lin,
Yuehe/0000-0003-3791-7587; Li, Jinghong /0000-0002-0750-7352; Wang,
Ying/0000-0002-9847-4655; Engelhard, Mark/0000-0002-5543-0812
FU National Institute of Neurological Disorders and Stroke [NS058161-01];
Pacific Northwest National Laboratory (PNNL); U.S. Department of Energy
(DOE) [DE-AC05-76RL01830]; DOE's office of Biological and Environmental
Research located at PNNL; National Natural Science Foundation of China
[20975060, 21075047]; National Basic Research Program of China
[2007CB310500]; Program for Chenguang Young Scientist for Wuhan
[200950431184]
FX The work was supported by the National Institutes of Health CounterACT
Program through the National Institute of Neurological Disorders and
Stroke (award # NS058161-01) and a Laboratory Directed Research and
Development Program at the Pacific Northwest National Laboratory (PNNL).
Its contents are solely the responsibility of the authors and do not
necessarily represent the official views of the federal government. PNNL
is operated for the U.S. Department of Energy (DOE) by Battelle under
Contract DE-AC05-76RL01830. The materials characterization was performed
at the Environmental Molecular Sciences Laboratory, a national
scientific user facility sponsored by DOE's office of Biological and
Environmental Research located at PNNL. J. H. Li acknowledges the
support from the National Natural Science Foundation of China (no.
20975060), National Basic Research Program of China (no. 2007CB310500).
Dan Du acknowledges the support from the National Natural Science
Foundation of China (21075047) and the Program for Chenguang Young
Scientist for Wuhan (200950431184).
NR 45
TC 125
Z9 127
U1 16
U2 161
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 14
BP 5319
EP 5325
DI 10.1039/c0jm03441j
PG 7
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 738RJ
UT WOS:000288659500020
ER
PT J
AU Chen, ZH
Ren, Y
Qin, Y
Wu, HM
Ma, SQ
Ren, JG
He, XM
Sun, YK
Amine, K
AF Chen, Zonghai
Ren, Yang
Qin, Yan
Wu, Huiming
Ma, Shengqian
Ren, Jianguo
He, Xiangming
Sun, Y. -K.
Amine, Khalil
TI Solid state synthesis of LiFePO4 studied by in situ high energy X-ray
diffraction
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID LITHIUM-ION BATTERIES; ELECTRODE MATERIALS; CARBON; PHOSPHATES;
TRANSPORT; IRON
AB The phase evolution and crystal structure transition of materials during solid-state synthesis of LiFePO4 were investigated by in situ high energy X-ray diffraction. It was found that the solid state reaction forming LiFePO4 started at a very low temperature, and LiFePO4 was clearly observed when the reaction temperature was above 173 degrees C. In situ X-ray diffraction data also revealed that several impurities appeared when the reaction temperature was above 400 degrees C. These impurities were successfully indexed with ex situ X-ray diffraction as Li3PO4, Fe2P, and Fe3P.
C1 [Chen, Zonghai; Qin, Yan; Wu, Huiming; Ma, Shengqian; Ren, Jianguo; Amine, Khalil] Argonne Natl Lab, Chem Sci & Engn Div, Lemont, IL 60439 USA.
[Ren, Yang] Argonne Natl Lab, Adv Photon Source, Xray Sci Div, Lemont, IL 60439 USA.
[Ma, Shengqian] Univ S Florida, Dept Chem, Tampa, FL 33620 USA.
[He, Xiangming] Tsinghua Univ, Inst Nucl Sci & New Energy Technol, Beijing 100084, Peoples R China.
[Sun, Y. -K.] Hanyang Univ, Dept WCU Energy Engn, Seoul 133791, South Korea.
RP Chen, ZH (reprint author), Argonne Natl Lab, Chem Sci & Engn Div, 9700 S Cass Ave, Lemont, IL 60439 USA.
EM zonghai.chen@anl.gov; amine@anl.gov
RI He, Xiangming/A-8316-2008; Ma, Shengqian/B-4022-2012; Sun,
Yang-Kook/B-9157-2013; Chen, Zonghai/K-8745-2013; Amine,
Khalil/K-9344-2013
OI He, Xiangming/0000-0001-7146-4097; Ma, Shengqian/0000-0002-1897-7069;
Sun, Yang-Kook/0000-0002-0117-0170;
FU US Department of Energy, FreedomCAR and Vehicle Technologies Office; US
Department of Energy by UChicago Argonne, LLC [DE-AC02-06CH11357];
Korean Government (MEST) [NRF-2009-C1AAA001-0093307]
FX Research at Argonne National Laboratory was funded by US Department of
Energy, FreedomCAR and Vehicle Technologies Office. Argonne National
Laboratory is operated for the US Department of Energy by UChicago
Argonne, LLC, under contract DE-AC02-06CH11357. This work was also
supported by the National Research Foundation of Korea Grant funded by
the Korean Government (MEST) (NRF-2009-C1AAA001-0093307).
NR 20
TC 30
Z9 30
U1 3
U2 36
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 15
BP 5604
EP 5609
DI 10.1039/c0jm04049e
PG 6
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 741ZC
UT WOS:000288906400011
ER
PT J
AU Feller, RK
Purdy, GM
Ortiz-Acosta, D
Stange, S
Li, A
McKigney, EA
Esch, EI
Muenchausen, RE
Gilbertson, R
Bacrania, M
Bennett, BL
Ott, KC
Brown, L
Macomber, CS
Scott, BL
Del Sesto, RE
AF Feller, Russell K.
Purdy, Geraldine M.
Ortiz-Acosta, Denisse
Stange, Sy
Li, Andy
McKigney, Edward A.
Esch, Ernst I.
Muenchausen, Ross E.
Gilbertson, Robert
Bacrania, Minesh
Bennett, Bryan L.
Ott, Kevin C.
Brown, Leif
Macomber, Clay S.
Scott, Brian L.
Del Sesto, Rico E.
TI Large-scale synthesis of CexLa1-xF3 nanocomposite scintillator materials
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID NANOPARTICLES; SPECTROSCOPY; FLUORIDE
AB Transparent nanocomposites have been developed which consist of nanocrystals embedded in an organic matrix. The materials are comprised of up to 60% by volume of 7-13 nm crystals of the phosphor CexLa1-xF3, and are greater than 70% transparent in the visible region at a thickness of 1 cm. Consistencies of the nanocomposites range from a solid polymer to a wax to a liquid, depending on the workup conditions of the nanoparticle synthesis. These transparent nanophosphor composite materials have potential applications in radiation detection as scintillators, as well as in other areas such as imaging and lighting, and can be produced on large scales up to near-kilogram quantities at near ambient conditions, much lower in temperature than typical nanoparticle syntheses.
C1 [Feller, Russell K.; Purdy, Geraldine M.; Ortiz-Acosta, Denisse; Ott, Kevin C.; Macomber, Clay S.; Scott, Brian L.; Del Sesto, Rico E.] Los Alamos Natl Lab, Mat Chem Mat Phys & Applicat Div, Los Alamos, NM 87544 USA.
[Stange, Sy; Li, Andy; McKigney, Edward A.; Esch, Ernst I.; Bacrania, Minesh] Los Alamos Natl Lab, Nonproliferat Div, Los Alamos, NM 87544 USA.
[Muenchausen, Ross E.; Bennett, Bryan L.] Los Alamos Natl Lab, Struct Property Relat Mat Sci & Technol Div, Los Alamos, NM 87544 USA.
[Gilbertson, Robert] Los Alamos Natl Lab, Polymers & Coatings Mat Sci & Technol Div, Los Alamos, NM 87544 USA.
[Brown, Leif] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87544 USA.
RP Del Sesto, RE (reprint author), Los Alamos Natl Lab, Mat Chem Mat Phys & Applicat Div, POB 1663, Los Alamos, NM 87544 USA.
EM ricod@lanl.gov
RI Feller, Russell/H-3250-2014; Scott, Brian/D-8995-2017
OI Scott, Brian/0000-0003-0468-5396
FU US Department of Energy [DE-AC52-06NA25396]; Office of Basic Energy
Sciences
FX We gratefully acknowledge the support of this work by the US Department
of Energy through the LANL/LDRD Program and the Office of Basic Energy
Sciences. Los Alamos National Laboratory is operated by Los Alamos
National Security, LLC, for the National Nuclear Security Administration
of the US Department of Energy under contract DE-AC52-06NA25396.
NR 15
TC 12
Z9 12
U1 2
U2 18
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 15
BP 5716
EP 5722
DI 10.1039/c0jm04162a
PG 7
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 741ZC
UT WOS:000288906400027
ER
PT J
AU Shui, JL
Zhang, JW
Li, JCM
AF Shui, Jiang-Lan
Zhang, Jing-Wen
Li, James C. M.
TI Making Pt-shell Pt30Ni70 nanowires by mild dealloying and heat
treatments with little Ni loss
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID CU CORE-SHELL; OXYGEN-REDUCTION; PLATINUM NANOTUBES; ELECTROCATALYSTS;
NANOPARTICLES; NANOFIBERS; OXIDATION; MONOLAYER; BATTERIES; HYDROGEN
AB Dealloying treatment is one way to make a Pt rich shell on Pt alloy through chemically depleting the surface of non-noble metals. However, this treatment usually causes more than half of the non-noble metal to be lost before the catalyst forms an effective protective surface. This process may cause unfavorable morphology and size change of the alloy catalyst. Our research indicates that a mild dealloying treatment in acid combined with an annealing treatment could make an effective Pt rich surface layer when only a little non-noble metal is dissolved from the alloy surface. Pt-Ni alloy nanowires are chosen as the treatment target because long nanowires are mechanically more stable than nanoparticles, which tend to migrate, agglomerate and lose surface area during working. Pt-Ni nanowires are made by electrospinning followed by a mild dealloying treatment and a post-heat treatment to make a core-shell structure in which Ni loses only similar to 10 atom% and the resultant Pt-shell could prevent nickel (> 70 atom% of the whole wire) in the core from dissolving in 1 M hot sulfuric acid. These long nanowires have diameters around 10-20 nm and form a self-supporting net.
C1 [Shui, Jiang-Lan] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
[Shui, Jiang-Lan; Zhang, Jing-Wen; Li, James C. M.] Univ Rochester, Mat Sci Program, Rochester, NY 14627 USA.
RP Shui, JL (reprint author), Argonne Natl Lab, Chem Sci & Engn Div, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM shui@anl.gov
FU NSF [DMR0801402]
FX Work supported by NSF through DMR0801402 monitored by Dr Harsh Chopra
and Dr Bruce MacDonald.
NR 31
TC 11
Z9 12
U1 4
U2 39
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 17
BP 6225
EP 6229
DI 10.1039/c1jm10216h
PG 5
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 750DG
UT WOS:000289524300018
ER
PT J
AU White, CE
Perander, LM
Provis, JL
van Deventer, JSJ
AF White, Claire E.
Perander, Linus M.
Provis, John L.
van Deventer, Jannie S. J.
TI The use of XANES to clarify issues related to bonding environments in
metakaolin: a discussion of the paper S. Sperinck et al.,
"Dehydroxylation of kaolinite to metakaolin-a molecular dynamics study,"
J. Mater. Chem., 2011, 21, 2118-2125
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Editorial Material
ID X-RAY-ABSORPTION; LOCAL-STRUCTURE; AL-27; SPECTROSCOPY; SI-29; EDGE;
TEMPERATURE; ALUMINUM; MELTS
AB We provide a discussion of some issues raised by a recent paper published in Journal of Materials Chemistry regarding the local structure of metakaolin. Furthermore, we show using synchrotron X-ray absorption near-edge spectroscopy (XANES) that tri-coordinated aluminium sites can exist in metakaolin, providing new evidence regarding the coordination environment of aluminium in metakaolin.
C1 [White, Claire E.] Los Alamos Natl Lab, Manuel Lujan Jr Neutron Scattering Ctr, Los Alamos, NM 87545 USA.
[White, Claire E.; Provis, John L.; van Deventer, Jannie S. J.] Univ Melbourne, Dept Chem & Biomol Engn, Melbourne, Vic, Australia.
[Perander, Linus M.] Univ Auckland, Dept Chem, Auckland, New Zealand.
RP White, CE (reprint author), Los Alamos Natl Lab, Manuel Lujan Jr Neutron Scattering Ctr, Los Alamos, NM 87545 USA.
EM whitece@lanl.gov; l.perander@auckland.ac.nz; jprovis@unimelb.edu.au;
jannie@unimelb.edu.au
RI White, Claire/A-1722-2011; Lujan Center, LANL/G-4896-2012; Provis,
John/A-7631-2008
OI White, Claire/0000-0002-4800-7960; Provis, John/0000-0003-3372-8922
NR 18
TC 11
Z9 11
U1 2
U2 15
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
EI 1364-5501
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 19
BP 7007
EP 7010
DI 10.1039/c1jm10379b
PG 4
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 755AP
UT WOS:000289899300038
ER
PT J
AU Okamoto, T
Jiang, Y
Becerril, HA
Hong, S
Senatore, ML
Tang, ML
Toney, MF
Siegrist, T
Bao, ZA
AF Okamoto, Toshihiro
Jiang, Ying
Becerril, Hector A.
Hong, Sanghyun
Senatore, Michelle L.
Tang, Ming L.
Toney, Michael F.
Siegrist, Theo
Bao, Zhenan
TI Synthesis of regioregular pentacene-containing conjugated polymers
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID SOLID-STATE ORDER; PHOTOVOLTAIC CELLS; HIGH-MOBILITY; HETEROJUNCTIONS;
COPOLYMERS; OLIGOMERS
AB We report the synthesis and characterization of a new class of regioregular pentacene-containing conjugated polymers via our synthetic routes reported previously. We found that our regioregular pentacene polymers showed improved ordering than their regiorandom counterpart as well as ambipolar OFET performance.
C1 [Okamoto, Toshihiro; Jiang, Ying; Becerril, Hector A.; Hong, Sanghyun; Senatore, Michelle L.; Bao, Zhenan] Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA.
[Tang, Ming L.] Stanford Univ, Dept Chem, Stanford, CA 94305 USA.
[Toney, Michael F.] Stanford Linear Accelerator Ctr, Menlo Pk, CA 94025 USA.
[Siegrist, Theo] Florida State Univ, Dept Chem & Biomed Engn, Tallahassee, FL 32306 USA.
RP Bao, ZA (reprint author), Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA.
EM zbao@stanford.edu
RI Okamoto, Toshihiro/N-3303-2013
OI Okamoto, Toshihiro/0000-0002-4783-0621
FU Center for Advanced Molecular Photovoltaics, made by the King Abdullah
University of Science and Technology; Stanford Global Climate and Energy
Project; Air Force Office of Scientific Research
FX Y.J. is acknowledged for equal contribution to this work. Z.B.
acknowledges financial support from the Center for Advanced Molecular
Photovoltaics, made by the King Abdullah University of Science and
Technology, the Stanford Global Climate and Energy Project, and the Air
Force Office of Scientific Research.
NR 20
TC 17
Z9 17
U1 1
U2 10
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 20
BP 7078
EP 7081
DI 10.1039/c1jm10643k
PG 4
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 758LV
UT WOS:000290167200006
ER
PT J
AU Li, XL
Qin, YJ
Picraux, ST
Guo, ZX
AF Li, Xianglong
Qin, Yujun
Picraux, S. T.
Guo, Zhi-Xin
TI Noncovalent assembly of carbon nanotube-inorganic hybrids
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID PHOTOINDUCED CHARGE-TRANSFER; FUEL-CELL ELECTROCATALYST; METAL
NANOPARTICLES; PLATINUM NANOPARTICLES; GOLD NANOPARTICLES; MAGNETIC
NANOPARTICLES; CATALYTIC PERFORMANCE; SILVER NANOPARTICLES; COAXIAL
NANOCABLES; METHANOL OXIDATION
AB The combination of carbon nanotubes with inorganic nanostructures is believed to be a powerful tool for constructing novel organic-inorganic hybrid architectures with desirable functionalities and applications in many fields ranging from energy storage and conversion, to catalysis, sensing, and medical diagnosis and treatment. Due to the chemically inert graphitic surface of the carbon nanotube, different assembly protocols for building functional carbon nanotube-inorganic hybrids, including covalent and noncovalent routes, have been designed and demonstrated. A better understanding of the chemistry associated with the hybrid assembly holds a key to rational manipulation of the hybrid properties. This critical review discusses nondestructive noncovalent assembly methodologies for constructing diverse carbon nanotube-inorganic hybrid materials and provides the latest advances in this field. Particular focus is given to the noncovalent assembly via functional linking molecules which play pivotal roles in the control of morphology, composition, structure, interface, and thus properties of the hybrid materials.
C1 [Li, Xianglong; Picraux, S. T.] Los Alamos Natl Lab, Mat Phys & Applicat Div, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA.
[Qin, Yujun; Guo, Zhi-Xin] Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China.
RP Li, XL (reprint author), Los Alamos Natl Lab, Mat Phys & Applicat Div, Ctr Integrated Nanotechnol, POB 1663, Los Alamos, NM 87545 USA.
EM xianglongli@gmail.com; picraux@lanl.gov; gzhixin@ruc.edu.cn
RI ruc, chem/E-4160-2012; Li, Xianglong/A-9010-2010
OI Li, Xianglong/0000-0002-6200-1178
NR 134
TC 44
Z9 44
U1 2
U2 63
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 21
BP 7527
EP 7547
DI 10.1039/c1jm10516g
PG 21
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 764YG
UT WOS:000290670000003
ER
PT J
AU Szarko, JM
Guo, JC
Rolczynski, BS
Chen, LX
AF Szarko, Jodi M.
Guo, Jianchang
Rolczynski, Brian S.
Chen, Lin X.
TI Current trends in the optimization of low band gap polymers in bulk
heterojunction photovoltaic devices
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID ACCEPTOR BLOCK-COPOLYMERS; SOLAR-CELLS; SEMICONDUCTING POLYMERS;
HIGH-PERFORMANCE; CONVERSION EFFICIENCY; ORGANIC PHOTOVOLTAICS;
ELECTRONIC-PROPERTIES; NANOSCALE MORPHOLOGY; CONJUGATED POLYMERS;
ENERGY-TRANSFER
AB Applications of low band gap polymers in solar cells have attracted intense attention due to their energetic overlap with the solar spectrum. Recently, low band gap organic photovoltaic (OPV) materials have shown an unprecedented similar to 8% efficiency in solar cell devices. Although the energetic alignment is crucial in the optimization of these materials, the structural and kinetic effects are also important factors in the overall device performance. Here we focus on the morphology and charge separation kinetics of several energetically similar low band gap materials. Special emphasis will be on two polymers, PF and PTB, in this report.
C1 [Szarko, Jodi M.; Rolczynski, Brian S.; Chen, Lin X.] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA.
[Guo, Jianchang; Rolczynski, Brian S.; Chen, Lin X.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
[Guo, Jianchang] Univ Chicago, Dept Chem, Chicago, IL 60637 USA.
[Guo, Jianchang] Univ Chicago, James Franck Inst, Chicago, IL 60637 USA.
RP Chen, LX (reprint author), Northwestern Univ, Dept Chem, 2145 Sheridan Rd, Evanston, IL 60208 USA.
EM l-chen@northwestern.edu
OI Szarko, Jodi/0000-0002-2181-9408
FU U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences [DE-SC0001059, DEAC02-06CH11357]; Division of Chemical
Sciences, Office of Basic Energy Sciences, the U.S. Department of Energy
[DEAC02-06CH11357]
FX This material is based upon work supported as part of the ANSER Center,
an Energy Frontier Research Center funded by the U.S. Department of
Energy, Office of Science, Office of Basic Energy Sciences under Award
Number DE-SC0001059, and is also partially supported by the Division of
Chemical Sciences, Office of Basic Energy Sciences, the U. S. Department
of Energy under contract DEAC02-06CH11357 (for L. X. C.). We thank
Professor Luping Yu and Dr Yongye Liang in the University of Chicago for
their discovery and material synthesis of the PF and PTB polymers
presented in this highlight. We also thank Drs Joseph W. Strzalka and
Byeongdu Lee of the Advanced Photon Source for their help at the
beamline setup and useful discussions in data analysis for GIXS, and Dr.
David J. Gosztola for his help in using the transient absorption
spectroscopy setup at the Center for Nanoscale Materials. The use of the
user facilities, the Advanced Photon Source and the Center of Nanoscale
Materials in Argonne National Laboratory was supported by the U. S.
Department of Energy, Office of Science, Office of Basic Energy
Sciences, under Contract No. DEAC02-06CH11357.
NR 53
TC 44
Z9 44
U1 1
U2 25
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
EI 1364-5501
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 22
BP 7849
EP 7857
DI 10.1039/c0jm04433d
PG 9
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 768DY
UT WOS:000290912900001
ER
PT J
AU Du, D
Liu, J
Zhang, XY
Cui, XL
Lin, YH
AF Du, Dan
Liu, Juan
Zhang, Xiaoyan
Cui, Xiaoli
Lin, Yuehe
TI One-step electrochemical deposition of a graphene-ZrO2 nanocomposite:
Preparation, characterization and application for detection of
organophosphorus agents
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID SOLID-PHASE EXTRACTION; NERVE AGENTS; PHOSPHORYLATED
ACETYLCHOLINESTERASE; ZIRCONIA NANOPARTICLES; CHEMICAL-REDUCTION;
GLUCOSE-OXIDASE; GRAPHITE OXIDE; PESTICIDES; FILMS; NANOSHEETS
AB This paper described the preparation, characterization, and electrochemical properties of a graphene-ZrO2 nanocomposite (GZN) and its application for both the enrichment and detection of methyl parathion (MP). GZN was fabricated using electrochemical deposition and characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS), which showed the successful formation of nanocomposites. Due to the strong affinity to the phosphoric group and the fast electron-transfer kinetics of GZN, both the extraction and electrochemical detection of organophosphorus (OP) agents at the same GZN modified electrochemical sensor was possible. The combination of solid-phase extraction and stripping voltammetric analysis allowed fast, sensitive, and selective determination of MP in garlic samples. The stripping response was highly linear over the MP concentrations ranging from 0.5 ng mL(-1) to 100 ng mL(-1), with a detection limit of 0.1 ng mL(-1). This new nanocomposite-based electrochemical sensor provides an opportunity to develop a field-deployable, sensitive, and quantitative method for monitoring exposure to OPs.
C1 [Du, Dan; Liu, Juan] Cent China Normal Univ, Coll Chem, Key Lab Pesticide & Chem Biol, Minist Educ, Wuhan 430079, Peoples R China.
[Zhang, Xiaoyan; Cui, Xiaoli] Fudan Univ, Dept Mat Sci, Shanghai 200433, Peoples R China.
[Lin, Yuehe] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Du, D (reprint author), Cent China Normal Univ, Coll Chem, Key Lab Pesticide & Chem Biol, Minist Educ, Wuhan 430079, Peoples R China.
EM dudan@mail.ccnu.edu.cn; xiaolicui@fudan.edu.cn; yuehe.lin@pnl.gov
RI Lin, Yuehe/D-9762-2011; Du, Dan (Annie)/G-3821-2012; 张, 晓艳/A-8125-2016
OI Lin, Yuehe/0000-0003-3791-7587;
FU National Natural Science Foundation of China [21075047]; Program for
Chenguang Young Scientist for Wuhan [200950431184]; Special Fund for
Basic Scientific Research of Central Colleges [CCNU10A02005]; National
Institute of Neurological Disorders and Stroke, NIH [U01 NS058161-01];
DOE, Battelle [DE-AC05-76L01830]
FX This work was supported by the National Natural Science Foundation of
China (21075047), the Program for Chenguang Young Scientist for Wuhan
(200950431184) and the Special Fund for Basic Scientific Research of
Central Colleges (CCNU10A02005). Dr Y. Lin acknowledges the financial
support by Grant U01 NS058161-01 from the NIH's CounterACT Program
through the National Institute of Neurological Disorders and Stroke,
NIH. The contents of this publication are solely the responsibility of
the authors and do not necessarily represent the official views of the
federal government. Pacific Northwest National Laboratory is operated
for DOE by Battelle under Contract DE-AC05-76L01830.
NR 42
TC 91
Z9 93
U1 12
U2 124
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 22
BP 8032
EP 8037
DI 10.1039/c1jm10696a
PG 6
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 768DY
UT WOS:000290912900028
ER
PT J
AU Kansal, I
Goel, A
Tulyaganov, DU
Santos, LF
Ferreira, JMF
AF Kansal, Ishu
Goel, Ashutosh
Tulyaganov, Dilshat U.
Santos, Luis F.
Ferreira, Jose M. F.
TI Structure, surface reactivity and physico-chemical degradation of
fluoride containing phospho-silicate glasses
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID MOLECULAR-DYNAMICS SIMULATIONS; BIOACTIVE GLASSES; HYDROXYAPATITE
POWDERS; ANTIBACTERIAL ACTIVITY; CHEMICAL DURABILITY; APATITE FORMATION;
GENE-EXPRESSION; BODY-FLUID; IN-VITRO; MAS-NMR
AB We report on the structure, apatite-forming ability and physicochemical degradation of glasses along the fluorapatite [FA; Ca-5(PO4)(3)F]-diopside (Di; CaMgSi2O6) join. A series of glasses with varying FA/Di ratio have been synthesised by melt-quenching technique. The amorphous glasses could be obtained only for compositions up to 40 wt.% of FA. The detailed structural analysis of the glasses has been made by infrared spectroscopy (FTIR), Raman spectroscopy and magic angle spinning-nuclear magnetic resonance spectroscopy (MAS-NMR). Silicon was predominantly present as Q(2) (Si) species while phosphorus was found in an orthophosphate type environment in all the investigated glasses. The apatite forming ability of glasses was investigated by immersion of the glass powders in simulated body fluid (SBF) for times varying between 1 h-28 days. An extensive precipitation of calcite (CaCO3) after immersion in SBF was found in all the glasses, which considerably masked the formation of hydroxyapatite [HA; Ca-5(PO4)(3)OH]. The possible mechanism favouring the formation of calcite instead of HA has been explained on the basis of experimental results obtained for the structure of the glasses, leaching profile of glass powders in SBF solution and pH variation in SBF solution. Furthermore, the physico-chemical degradation of the glasses has been studied in accordance with ISO 10993-14 "Biological evaluation of medical devices - Part 14: Identification and quantification of degradation products from ceramics" in Tris HCl and citric acid buffer. All the FA containing glasses exhibited a weight gain (instead of weight loss) after immersion in citric acid buffer due to the formation of different crystalline products.
C1 [Goel, Ashutosh] Pacific NW Natl Lab, Radiol & Nucl Sci & Technol Div, Energy & Environm Directorate, Richland, WA 99354 USA.
[Kansal, Ishu; Ferreira, Jose M. F.] Univ Aveiro, Dept Ceram & Glass Engn, CICECO, P-3810193 Aveiro, Portugal.
[Tulyaganov, Dilshat U.] Turin Polytech Univ Tashkent, Tashkent 100174, Uzbekistan.
[Santos, Luis F.] Univ Tecn Lisboa, Dept Mat Engn ICEMS, Inst Super Tecn, P-1049001 Lisbon, Portugal.
RP Goel, A (reprint author), Pacific NW Natl Lab, Radiol & Nucl Sci & Technol Div, Energy & Environm Directorate, Richland, WA 99354 USA.
EM Ashutosh.Goel@pnl.gov; jmf@ua.pt
RI Santos, Luis/A-5818-2010; Goel, Ashutosh/J-9972-2012
OI Santos, Luis/0000-0003-0986-9880;
FU Ishu Kansal in the framework of project [PTDC/CTM/099489/2008-GELMEMS];
CICECO
FX The research scholarship for Ishu Kansal in the framework of project
PTDC/CTM/099489/2008-GELMEMS is greatly acknowledged. The support from
CICECO is also acknowledged.
NR 57
TC 24
Z9 24
U1 2
U2 25
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 22
BP 8074
EP 8084
DI 10.1039/c1jm10811e
PG 11
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 768DY
UT WOS:000290912900034
ER
PT J
AU Du, WX
Wang, Q
LaScala, CA
Zhang, LH
Su, D
Frenkel, AI
Mathur, VK
Teng, XW
AF Du, Wenxin
Wang, Qi
LaScala, Carlo A.
Zhang, Lihua
Su, Dong
Frenkel, Anatoly I.
Mathur, Virendra K.
Teng, Xiaowei
TI Ternary PtSnRh-SnO2 nanoclusters: synthesis and electroactivity for
ethanol oxidation fuel cell reaction
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID OXYGEN-REDUCTION; ELECTROCATALYTIC PROPERTIES; INTERMETALLIC COMPOUNDS;
OXIDIZING ETHANOL; GOLD CLUSTERS; CATALYSTS; PTPB; NANOPARTICLES;
NANOWIRES; ALLOYS
AB Carbon supported ternary Pt52Sn(36-x)Rh12-SnxO2x electrocatalysts with the average diameter of 2.8 +/- 0.5 nm were synthesized using a Polyol process followed by thermal treatment. Several techniques including high resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD) and extended X-ray absorption fine structure (EXAFS) were used to identify the coexistence of homogeneously distributed Pt/Sn/Rh random alloy and non-alloyed SnO2 throughout the catalyst. The Pt52Sn(36-x)Rh12-SnxO2x catalyst showed a superior long-term activity and stability towards ethanol oxidation than the commercial Pt catalyst. Our data of ternary Pt/Sn/Rh catalysts with different chemical compositions and crystalline structures also indicated that the superior performance of Pt52Sn(36-x)Rh12-SnxO2x might result from the electronic effect of the Pt/Sn/Rh random alloy.
C1 [Du, Wenxin; LaScala, Carlo A.; Mathur, Virendra K.; Teng, Xiaowei] Univ New Hampshire, Dept Chem Engn, Durham, NH 03824 USA.
[Wang, Qi] Univ Delaware, Dept Chem Engn, Newark, DE 19716 USA.
[Zhang, Lihua; Su, Dong] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA.
[Frenkel, Anatoly I.] Yeshiva Univ, Dept Phys, New York, NY 10016 USA.
RP Teng, XW (reprint author), Univ New Hampshire, Dept Chem Engn, Durham, NH 03824 USA.
EM xw.teng@unh.edu
RI Frenkel, Anatoly/D-3311-2011; Wang, Qi/C-5478-2012; Su,
Dong/A-8233-2013; Zhang, Lihua/F-4502-2014; Du, Wenxin/P-9195-2014
OI Frenkel, Anatoly/0000-0002-5451-1207; Su, Dong/0000-0002-1921-6683;
FU UNH; DOE [DE-FG02-03ER15476, DE-AC02-98CH10886]; U.S. Department of
Energy, Office of Science, Office of Basic Energy Sciences
[DE-AC02-98CH10886]; Synchrotron Catalysis Consortium
[DE-FG02-05ER15688]
FX This work is supported by the UNH (XT, WD, CAL) and DOE (AIF,
DE-FG02-03ER15476; DS and LZ, DE-AC02-98CH10886). CAL thanks for the
REAP and SURF summer supports from UNH. The use of the NSLS was
supported by the U.S. Department of Energy, Office of Science, Office of
Basic Energy Sciences, under Contract No. DE-AC02-98CH10886. Beam lines
X19A/X18B are partly supported by Synchrotron Catalysis Consortium
(DE-FG02-05ER15688).
NR 39
TC 34
Z9 34
U1 5
U2 40
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 24
BP 8887
EP 8892
DI 10.1039/c0jm04358c
PG 6
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 774AE
UT WOS:000291352900058
ER
PT J
AU Li, HQ
Qu, J
Cui, QZ
Xu, HB
Luo, HM
Chi, MF
Meisner, RA
Wang, W
Dai, S
AF Li, Huaqing
Qu, Jun
Cui, Qingzhou
Xu, Hanbing
Luo, Huimin
Chi, Miaofang
Meisner, Roberta A.
Wang, Wei
Dai, Sheng
TI TiO2 nanotube arrays grown in ionic liquids: high-efficiency in
photocatalysis and pore-widening
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID TITANIA NANOTUBES; SOLAR-CELLS; 2-STEP ANODIZATION; ANODIC GROWTH;
ELECTROLYTES; FABRICATION; LENGTH; WATER; DYE
AB Debris-free, long, well-separated TiO2 nanotube arrays were obtained using an ionic liquid (IL) as electrolyte. The high conductivity of IL resulted in fast pore widening and few contaminants from electrolyte decomposition leading to high photocatalytic efficiency in water splitting.
C1 [Li, Huaqing; Qu, Jun; Xu, Hanbing; Chi, Miaofang; Meisner, Roberta A.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
[Li, Huaqing; Meisner, Roberta A.] Univ Tennessee, Dept Phys, Knoxville, TN 37996 USA.
[Cui, Qingzhou; Wang, Wei] Oak Ridge Natl Lab, Biol & Environm Sci Div, Oak Ridge, TN 37831 USA.
[Luo, Huimin] Oak Ridge Natl Lab, Energy & Transportat Sci Div, Oak Ridge, TN 37831 USA.
[Dai, Sheng] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
RP Qu, J (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
EM qujn@ornl.gov
RI Wang, Wei/B-5924-2012; Li, Huaqing/E-7071-2010; Chi,
Miaofang/Q-2489-2015; Dai, Sheng/K-8411-2015
OI Chi, Miaofang/0000-0003-0764-1567; Dai, Sheng/0000-0002-8046-3931
FU U.S. Department of Energy (DOE); DOE Office of Basic Energy Sciences
FX Research is sponsored by the U.S. Department of Energy (DOE), EERE
Industrial Materials Program, under the American Recovery and
Reinvestment Act. The characterization work was supported in part by
ORNL's SHaRE User Facility, which is sponsored by the DOE Office of
Basic Energy Sciences.
NR 37
TC 22
Z9 22
U1 2
U2 31
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 26
BP 9487
EP 9490
DI 10.1039/c1jm11540e
PG 4
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 780SC
UT WOS:000291878100010
ER
PT J
AU Liu, J
Conry, TE
Song, XY
Yang, L
Doeff, MM
Richardson, TJ
AF Liu, Jun
Conry, Thomas E.
Song, Xiangyun
Yang, Li
Doeff, Marca M.
Richardson, Thomas J.
TI Spherical nanoporous LiCoPO4/C composites as high performance cathode
materials for rechargeable lithium-ion batteries
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID ELECTRODE MATERIALS; ENERGY-STORAGE; LIFEPO4; CHALLENGES; FE
AB Spherical nanoporous LiCoPO4/C composite microparticles were synthesized from soluble precursors by spray pyrolysis. They consisted of similar to 70 nm primary particles agglomerated into micron-sized spheres with an average pore size of 68 nm and a 3-5 nm thick conformal carbon coating comprising 2.4% carbon by weight. The material delivered a reversible capacity of 123 mAh g(-1) at C/10 rate, and showed excellent cycling behavior and rate capability. The good electrochemical performance is due to the presence of three-dimensional networks for both electronic and ionic transport.
C1 [Liu, Jun; Conry, Thomas E.; Song, Xiangyun; Yang, Li; Doeff, Marca M.; Richardson, Thomas J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Doeff, MM (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, 1 Cyclotron Rd, Berkeley, CA 94720 USA.
EM MMDoeff@lbl.gov; TJRichardson@lbl.gov
RI Doeff, Marca/G-6722-2013
OI Doeff, Marca/0000-0002-2148-8047
FU Office of Vehicle Technologies of the U.S. Department of Energy
[DE-AC02-05CH11231]
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. The authors
would like to thank Hydro Quebec for a gift of the carbon-free
LiCoPO4.
NR 32
TC 51
Z9 55
U1 6
U2 73
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 27
BP 9984
EP 9987
DI 10.1039/c1jm10793c
PG 4
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 784LV
UT WOS:000292159700015
ER
PT J
AU Kam, KC
Doeff, MM
AF Kam, Kinson C.
Doeff, Marca M.
TI Aliovalent titanium substitution in layered mixed Li Ni-Mn-Co oxides for
lithium battery applications
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID SOLID-STATE CHEMISTRY; ION BATTERIES; ELECTRODE MATERIALS; INSERTION
MATERIAL; ELECTROCHEMISTRY; LICO1/3NI1/3MN1/3O2
AB Improved electrochemical characteristics are observed for Li[Ni(1/3)Co(1/3-y)Ti(y)Mn(1/3)]O(2) cathodes, compared to the baseline material, with up to 15% increased discharge capacity.
C1 [Kam, Kinson C.; Doeff, Marca M.] Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Kam, KC (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
EM mmdoeff@lbl.gov
RI Doeff, Marca/G-6722-2013
OI Doeff, Marca/0000-0002-2148-8047
FU Office of Vehicle Technologies of the United States Department of Energy
[DE-AC02-05CH11231]
FX This work was supported by the Assistant Secretary of Energy for Energy
Efficiency and Renewable Energy, Office of Vehicle Technologies of the
United States Department of Energy under contract no. DE-AC02-05CH11231.
NR 17
TC 19
Z9 19
U1 2
U2 36
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 27
BP 9991
EP 9993
DI 10.1039/c0jm04193a
PG 3
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 784LV
UT WOS:000292159700017
ER
PT J
AU Cabana, J
Shirakawa, J
Nakayama, M
Wakihara, M
Grey, CP
AF Cabana, Jordi
Shirakawa, Junichi
Nakayama, Masanobu
Wakihara, Masataka
Grey, Clare P.
TI Effect of ball-milling and lithium insertion on the lithium mobility and
structure of Li3Fe2(PO4)(3)
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID POSITIVE-ELECTRODE MATERIALS; SOLID-STATE NMR; LI-7 MAS NMR; MONOCLINIC
LI3FE2(PO4)(3); IONIC-CONDUCTION; RECHARGEABLE BATTERIES;
NEUTRON-DIFFRACTION; PHASE-TRANSITIONS; CATHODE MATERIALS; NA3FE2(PO4)3
AB The structure and lithium mobility have been investigated for A-and B-Li3Fe2(PO4)(3), before and after mechanical milling and lithium insertion, by using Li NMR. The data indicate that the milling step induces a significant amount of defects in the structure, while it improves the ability of the material to take up lithium. The lithium mobility in the different samples was studied by collecting NMR spectra at different temperatures, extensive lithium mobility being observed for both polytypes at temperatures above 150 degrees C. This mobility was found to be enhanced after milling. The enhancement in the electrode material utilization is ascribed to both a reduction of the diffusion lengths (particle size) and an increase in the intrinsic mobility of lithium in the sample.
C1 [Cabana, Jordi; Shirakawa, Junichi; Grey, Clare P.] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
[Cabana, Jordi] Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
[Shirakawa, Junichi; Nakayama, Masanobu; Wakihara, Masataka] Tokyo Inst Technol, Dept Appl Chem, Megro ku, Tokyo 1528552, Japan.
[Grey, Clare P.] Univ Cambridge, Dept Chem, Cambridge CB2 1EW, England.
RP Cabana, J (reprint author), SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA.
EM jcabana@lbl.gov; cpg27@cam.ac.uk
RI Cabana, Jordi/G-6548-2012
OI Cabana, Jordi/0000-0002-2353-5986
FU Office of Vehicle Technologies of the U.S. Department of Energy
[DE-AC02-05CH11231]; Lawrence Berkeley National Laboratory [6517749];
Generalitat de Catalunya; Japan Society for the Promotion of Science
(JSPS)
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, and via
subcontract no. 6517749 with the Lawrence Berkeley National Laboratory.
JC is indebted to Generalitat de Catalunya for funding through a Beatriu
de Pinos fellowship. J.S. thanks the Japan Society for the Promotion of
Science (JSPS) for financial support. CPG thanks Prof. Christian
Masquelier (LRCS, France) for helpful discussions.
NR 51
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PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
EI 1364-5501
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 27
BP 10012
EP 10020
DI 10.1039/c0jm04197a
PG 9
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 784LV
UT WOS:000292159700021
ER
PT J
AU Pan, AQ
Zhang, JG
Cao, GZ
Liang, SQ
Wang, CM
Nie, ZM
Arey, BW
Xu, W
Liu, DW
Xiao, J
Li, GS
Liu, J
AF Pan, Anqiang
Zhang, Ji-Guang
Cao, Guozhong
Liang, Shuquan
Wang, Chongmin
Nie, Zimin
Arey, Bruce W.
Xu, Wu
Liu, Dawei
Xiao, Jie
Li, Guosheng
Liu, Jun
TI Nanosheet-structured LiV3O8 with high capacity and excellent stability
for high energy lithium batteries
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID POSITIVE ELECTRODE MATERIALS; LOW-TEMPERATURE SYNTHESIS; SOL-GEL METHOD;
ELECTROCHEMICAL PROPERTIES; CATHODE MATERIAL; ION BATTERIES;
RAMAN-SPECTROSCOPY; SECONDARY BATTERIES; CRYSTAL-STRUCTURE; CARBON
NANOTUBES
AB Highly stable LiV3O8 with a nanosheet-structure was successfully prepared using polyethylene glycol (PEG) polymer in the precursor solution as the structure modifying agent, followed by calcination in air at 400 degrees C, 450 degrees C, 500 degrees C, and 550 degrees C. These materials provide the best electrochemical performance ever reported for LiV3O8 crystalline electrodes, with a specific discharge capacity of 260 mAh g(-1) and no capacity fading over 100 cycles at 100 mA g(-1). The excellent cyclic stability and high specific discharge capacity of the material are attributed to the novel nanosheets structure formed in LiV3O8. These LiV3O8 nanosheets are good candidates for cathode materials for high-energy lithium battery applications.
C1 [Pan, Anqiang; Zhang, Ji-Guang; Wang, Chongmin; Nie, Zimin; Arey, Bruce W.; Xu, Wu; Xiao, Jie; Li, Guosheng; Liu, Jun] Pacific NW Natl Lab, Richland, WA 99354 USA.
[Pan, Anqiang; Liang, Shuquan] Cent S Univ, Dept Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China.
[Cao, Guozhong; Liu, Dawei] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA.
RP Zhang, JG (reprint author), Pacific NW Natl Lab, Richland, WA 99354 USA.
EM Jiguang.zhang@pnl.gov; sql@mail.csu.edu.cn; jun.liu@pnl.gov
RI Cao, Guozhong/E-4799-2011
FU National Nature Science Foundation of China [50774097]; Creative
Research Group of the National Natural Science Foundation of China
[50721003]; Pacific Northwest National Laboratory (PNNL); Office of
Vehicle Technology of the U.S. Department of Energy (DOE); Chinese
Council Scholarship; DOE Office of Biological and Environmental
Research; DOE Office of Basic Energy Sciences, Division of Materials
Sciences and Engineering [KC020105-FWP12152]
FX We acknowledge the financial support provided by the National Nature
Science Foundation of China (No. 50774097), the Creative Research Group
of the National Natural Science Foundation of China (No. 50721003), the
Laboratory Directed Research and Development Program of Pacific
Northwest National Laboratory (PNNL), and the Batteries for the Advanced
Transportation Technologies program of Office of Vehicle Technology of
the U.S. Department of Energy (DOE). A. Pan appreciates the financial
support from the Chinese Council Scholarship. The TEM work was performed
at the Environmental Molecular Sciences Laboratory, a national
scientific-user facility sponsored by the DOE Office of Biological and
Environmental Research. The DOE Office of Basic Energy Sciences,
Division of Materials Sciences and Engineering, also provided support
under Award KC020105-FWP12152. PNNL is operated for DOE by Battelle
Memorial Institure.
NR 50
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PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 27
BP 10077
EP 10084
DI 10.1039/c1jm10976f
PG 8
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 784LV
UT WOS:000292159700029
ER
PT J
AU Sun, YK
Lee, BR
Noh, HJ
Wu, HM
Myung, ST
Amine, K
AF Sun, Yang-Kook
Lee, Bo-Ram
Noh, Hyung-Ju
Wu, Huiming
Myung, Seung-Taek
Amine, Khalil
TI A novel concentration-gradient Li[Ni0.83Co0.07Mn0.10]O-2 cathode
material for high-energy lithium-ion batteries
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID POSITIVE-ELECTRODE MATERIALS; ELECTROCHEMICAL PROPERTIES; CELLS;
COPRECIPITATION; PARTICLES; PERFORMANCE; COMPOSITE
AB A novel concentration-gradient Li[Ni0.83Co0.07Mn0.10]O-2 cathode material was successfully synthesized via co-precipitation, in which the core Li[Ni0.9Co0.05Mn0.05]O-2 was encapsulated completely with a stable concentration-gradient layer having reduced Ni content. The electrochemical and thermal properties of the concentration-gradient Li[Ni0.83Co0.07Mn0.10]O-2 were studied and compared to those of the core Li[Ni0.9Co0.05Mn0.05]O-2 material alone. The concentration-gradient material had a superior lithium intercalation stability and thermal stability compared to the core material. The high capacity was delivered from the Ni-rich core Li[Ni0.9Co0.05Mn0.05]O-2, and the improved thermal stability was achieved by the Ni-depleted concentration-gradient layer with outer surface composition of Li[Ni0.68Co0.12Mn0.20]O-2. The concentration-gradient materials open a new era for the development of advanced Li-ion batteries with high energy density, long cycle life, and improved safety.
C1 [Sun, Yang-Kook; Noh, Hyung-Ju] Hanyang Univ, Dept WCU Energy Engn, Seoul 133791, South Korea.
[Sun, Yang-Kook; Lee, Bo-Ram] Hanyang Univ, Dept Chem Engn, Seoul 133791, South Korea.
[Wu, Huiming; Amine, Khalil] Argonne Natl Lab, Electrochem Technol Program, Chem Sci & Engn Div, Argonne, IL 60439 USA.
[Myung, Seung-Taek] Iwate Univ, Dept Chem Engn, Morioka, Iwate 0208551, Japan.
RP Sun, YK (reprint author), Hanyang Univ, Dept WCU Energy 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;
FU Korea government Ministry of Knowledge Economy [20104010100560];
Ministry of Education, Science and Technology [R31-10092]
FX This work was supported by the Human Resources Development of the Korea
Institute of Energy Technology Evaluation and Planning (KETEP) grant
funded by the Korea government Ministry of Knowledge Economy (no.
20104010100560) and by WCU (World Class University) program through the
National Research Foundation of Korea funded by the Ministry of
Education, Science and Technology (R31-10092)
NR 20
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PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 27
BP 10108
EP 10112
DI 10.1039/c0jm04242k
PG 5
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 784LV
UT WOS:000292159700033
ER
PT J
AU Chen, GY
Shukla, AK
Song, XY
Richardson, TJ
AF Chen, Guoying
Shukla, Alpesh K.
Song, Xiangyun
Richardson, Thomas J.
TI Improved kinetics and stabilities in Mg-substituted LiMnPO4
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID RECHARGEABLE LITHIUM BATTERIES; HYDROTHERMAL SYNTHESIS; MANGANESE
PHOSPHATE; ELECTRODE MATERIALS; CATHODES; MN; FE; PERFORMANCE; OLIVINES;
LIFEPO4
AB LiMgxMn1-xPO4 (x = 0, 0.1, 0.2, 0.3, 0.4 and 0.5) crystals were prepared hydrothermally. The presence of Mg2+ was found to improve the kinetics, utilization, and physical stability of the crystals during chemical and electrochemical delithiation, as well as the thermal stability of the delithiated phase. The best performance was found in the sample with 20% substitution. The positive effect of Mg2+ was attributed to the reduced volume mismatch between the lithiated and delithiated phases, and to more favorable particle morphologies. Mg2+ dilutes the concentration of Jahn-Teller active ion, Mn3+, and reduces local strains between the phases, and thereby increases the structural stability of the crystals. The result is a reduction in fracturing and decrepitation, which translates to improved electrochemical performance. Although the thermal stability improved with increasing Mg substitution, the heat evolved during reaction with electrolyte remains proportional to the Mn content and therefore to the theoretical capacity.
C1 [Chen, Guoying; Shukla, Alpesh K.; Song, Xiangyun; 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, Berkeley, CA 94720 USA.
EM gchen@lbl.gov
RI Shukla, Alpesh/B-2058-2013
FU National Center for Electron Microscopy at Lawrence Berkeley National
Laboratory; Energy Efficiency and Renewable Energy, Office of Vehicle
Technologies of the US Department of Energy [DE-AC02-05CH11231]
FX The authors acknowledge support of the National Center for Electron
Microscopy at Lawrence Berkeley National Laboratory. This work was
supported by the Assistant Secretary for Energy Efficiency and Renewable
Energy, Office of Vehicle Technologies of the US Department of Energy
under Contract no. DE-AC02-05CH11231.
NR 24
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PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 27
BP 10126
EP 10133
DI 10.1039/c0jm04230g
PG 8
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 784LV
UT WOS:000292159700036
ER
PT J
AU Coker, EN
Ambrosini, A
Rodriguez, MA
Miller, JE
AF Coker, Eric N.
Ambrosini, Andrea
Rodriguez, Mark A.
Miller, James E.
TI Ferrite-YSZ composites for solar thermochemical production of synthetic
fuels: in operando characterization of CO2 reduction
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID YTTRIA-STABILIZED ZIRCONIA; HYDROGEN-PRODUCTION; WATER; OXIDE; SYSTEM;
PHASE; ZRO2; ZRO2-FE2O3; CYCLES; HEAT
AB Ferrites are promising materials for enabling solar-thermochemical cycles. Such cycles utilize solar-thermal energy for the production of hydrogen from water, or carbon monoxide from carbon dioxide. Mixing ferrites with zirconia or yttria-stabilized zirconia (YSZ) greatly improves the cyclability of the ferrites and enables a move away from powder to monolithic systems. This synergistic effect is only partially understood. In order to unravel the underlying mechanisms of the effect and to understand the evolution of thermochemically active phases, we have studied the behaviour of iron oxides co-sintered with 8YSZ (8 mol% Y2O3) using in operando X-ray diffraction and thermogravimetric analysis at temperatures up to 1500 degrees C and under environments representative of those present in a thermochemical cycle. The solubility of iron oxide in 8YSZ measured by XRD at room temperature, following calcination to 1500 degrees C in air, was 9.4 mol% Fe. The solubility increased to at least 10.4 mol% Fe when heated between 800 and 1000 degrees C under inert (He) atmosphere. Furthermore iron was found to migrate in and out of the 8YSZ phase as the temperature and oxidation state of the iron changed. In samples containing insoluble iron (i.e., containing > 9.4 mol% Fe) stepwise heating to 1400 degrees C under helium caused reduction of Fe2O3 (hematite) to Fe3O4 (magnetite) to FeO (wustite). This gradual thermal reduction from hematite to wustite was accompanied by evolution of oxygen. The wustite remained stable upon cooling to room temperature in the helium environment, although after multiple consecutive cycles some of the wustite was observed to disproportionate to Fe metal and magnetite. Exposure of the wustite-containing material to CO2 at 1100 degrees C enabled re-oxidation of the wustite to magnetite with evolution of CO. Thermogravimetric analysis during thermochemical cycling of materials with iron oxide contents between 1.8 and 27.6 mol% Fe showed that samples with mostly dissolved iron utilized a greater proportion of the iron atoms present than did samples possessing a significant fraction of un-dissolved iron oxides.
C1 [Coker, Eric N.; Ambrosini, Andrea; Rodriguez, Mark A.; Miller, James E.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Coker, EN (reprint author), Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA.
EM encoker@sandia.gov
RI Miller, James/C-1128-2011
OI Miller, James/0000-0001-6811-6948
FU Sandia National Laboratories; United States Department of Energy's
National Nuclear Security Administration [DE-AC04-94AL85000]
FX This work was supported by the Laboratory Directed Research and
Development program at Sandia National Laboratories, in the form of a
Grand Challenge project entitled "Reimagining Liquid Transportation
Fuels: Sunshine to Petrol," Ellen Stechel, program manager. 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. We
thank James NMI Griego and Jonathan Torres for help with HT-XRD data
collection and analysis, and Kristin Meyer and Kathy Huang for
assistance with sample preparation.
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PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
EI 1364-5501
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 29
BP 10767
EP 10776
DI 10.1039/C1JM11053E
PG 10
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 795MP
UT WOS:000292978600029
ER
PT J
AU Wu, G
Johnston, CM
Mack, NH
Artyushkova, K
Ferrandon, M
Nelson, M
Lezama-Pacheco, JS
Conradson, SD
More, KL
Myers, DJ
Zelenay, P
AF Wu, Gang
Johnston, Christina M.
Mack, Nathan H.
Artyushkova, Kateryna
Ferrandon, Magali
Nelson, Mark
Lezama-Pacheco, Juan S.
Conradson, Steven D.
More, Karren L.
Myers, Deborah J.
Zelenay, Piotr
TI Synthesis-structure-performance correlation for polyaniline-Me-C
non-precious metal cathode catalysts for oxygen reduction in fuel cells
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID CONTAINING CARBON CATALYSTS; ABSORPTION FINE-STRUCTURE; METHANOL
ELECTROOXIDATION; ACTIVE-SITES; ELECTROCATALYTIC ACTIVITY;
HIGH-TEMPERATURE; COMPOSITE FILMS; MODEL CATALYSTS; O-2 REDUCTION;
THIN-FILMS
AB In this report, we present the systematic preparation of active and durable non-precious metal catalysts (NPMCs) for the oxygen reduction reaction in polymer electrolyte fuel cells (PEFCs) based on the heat treatment of polyaniline/metal/carbon precursors. Variation of the synthesis steps, heat-treatment temperature, metal loading, and the metal type in the synthesis leads to markedly different catalyst activity, speciation, and morphology. Microscopy studies demonstrate notable differences in the carbon structure as a function of these variables. Balancing the need to increase the catalyst's degree of graphitization through heat treatment versus the excessive loss of surface area that occurs at higher temperatures is a key to preparing an active catalyst. XPS and XAFS spectra are consistent with the presence of Me-Nx structures in both the Co and Fe versions of the catalyst, which are often proposed to be active sites. The average speciation and coordination environment of nitrogen and metal, however, depends greatly on the choice of Co or Fe. Taken together, the data indicate that better control of the metal-catalyzed transformations of the polymer into new graphitized carbon forms in the heat-treatment step will allow for even further improvement of this class of catalysts.
C1 [Wu, Gang; Johnston, Christina M.; Nelson, Mark; Zelenay, Piotr] Los Alamos Natl Lab, Mat Phys & Applicat Div, Los Alamos, NM 87545 USA.
[Mack, Nathan H.] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA.
[Artyushkova, Kateryna] Univ New Mexico, Dept Chem & Nucl Engn, Albuquerque, NM 87131 USA.
[Ferrandon, Magali; Myers, Deborah J.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
[Lezama-Pacheco, Juan S.; Conradson, Steven D.] Los Alamos Natl Lab, Mat Phys & Applicat Div, Div Mat Sci & Technol, Los Alamos, NM 87545 USA.
[More, Karren L.] Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37831 USA.
RP Johnston, CM (reprint author), Los Alamos Natl Lab, Mat Phys & Applicat Div, POB 1663, Los Alamos, NM 87545 USA.
EM cjohnston@lanl.gov; zelenay@lanl.gov
RI Artyushkova, Kateryna/B-4709-2008; Johnston, Christina/A-7344-2011; Wu,
Gang/E-8536-2010; More, Karren/A-8097-2016
OI Artyushkova, Kateryna/0000-0002-2611-0422; Wu, Gang/0000-0003-4956-5208;
More, Karren/0000-0001-5223-9097
FU DOE-EERE; Los Alamos National Laboratory; US Department of Energy,
Office of Basic Energy Sciences; Scientific User Facilities Division,
Office of Basic Energy Sciences, the US Department of Energy
FX We are grateful to Drs Jerzy Chlistunoff, Fernando Garzon, Rangachary
Mukundan, and Hoon Chung at LANL for relevant discussions. Financial
support for this work has been provided by the DOE-EERE Fuel Cells
Technologies Program (Technology Development Manager: Nancy Garland) and
the Los Alamos National Laboratory through Laboratory-Directed Research
and Development program (LDRD). 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. Microscopy research was
supported by Oak Ridge National Laboratory's SHaRE User Facility, which
is sponsored by the Scientific User Facilities Division, Office of Basic
Energy Sciences, the US Department of Energy.
NR 75
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U1 20
U2 172
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PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 30
BP 11392
EP 11405
DI 10.1039/c0jm03613g
PG 14
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 795KZ
UT WOS:000292974400051
ER
PT J
AU Wang, XJ
Jaye, C
Nam, KW
Zhang, B
Chen, HY
Bai, JM
Li, H
Huang, XJ
Fischer, DA
Yang, XQ
AF Wang, Xiao-Jian
Jaye, Cherno
Nam, Kyung-Wan
Zhang, Bin
Chen, Hai-Yan
Bai, Jianming
Li, Hong
Huang, Xuejie
Fischer, Daniel A.
Yang, Xiao-Qing
TI Investigation of the structural changes in Li1-xFePO4 upon charging by
synchrotron radiation techniques
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID X-RAY-DIFFRACTION; LI-ION BATTERIES; LITHIUM BATTERIES; UNSUPPORTED
CLAIMS; LIFEPO4; SPECTROSCOPY; ELECTRODE; LIXFEPO4; CARBON; MN
AB A systematic study on a LiFePO4 sample with 600 nm particle size was carried out to investigate the electronic and crystal structure changes during charge and their relationships with the charging curve. In situ X-ray diffraction data collected at 0.1C rate during first charge shows that the crystal FePO4 is observed at x = 0.3 in Li1-xFePO4, with significant delay than the beginning of the charge plateau. On the other hand, in situ X-ray absorption spectra for the Fe K-edge collected at 0.1C during first charge show that the average oxidation of Fe2+ to Fe3+ almost synchronized with the charging curve. In addition, the ex-situ soft X-ray absorption data for the Fe LII-III edges using surface sensitive partial electron yield detection mode show that the lithium content changes at the surface of the sample particles synchronized or ahead to the charge curve, while the data collected at the same time using bulk sensitive fluorescence yield detection mode show that the lithium content changes in the bulk of the particles lag behind the charging curve. The contents of FePO4 and LiFePO4 calculated from in situ XRD in relating to the charge curve are quite different than those calculated from in situ XAS and ex-situ soft X-ray absorption data. This tells us that cautious need to be taken when using XRD data alone to track the state of charge of LiFePO4 samples, significant delay in observing the new crystal phase formation could occur, especially at relatively high charging rate.
C1 [Wang, Xiao-Jian; Nam, Kyung-Wan; Yang, Xiao-Qing] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Jaye, Cherno; Fischer, Daniel A.] Natl Inst Stand & Technol, Gaithersburg, MD 20899 USA.
[Zhang, Bin; Li, Hong; Huang, Xuejie] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
[Chen, Hai-Yan] New Jersey Inst Technol, Dept Phys, Newark, NJ 07102 USA.
[Bai, Jianming] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
RP Yang, XQ (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
EM xyang@bnl.gov
RI Sanders, Susan/G-1957-2011; Nam, Kyung-Wan Nam/G-9271-2011; Chen,
Haiyan/C-8109-2012; Li, Hong/C-4643-2008; Nam, Kyung-Wan/B-9029-2013;
Nam, Kyung-Wan/E-9063-2015; Bai, Jianming/O-5005-2015
OI Li, Hong/0000-0002-8659-086X; Nam, Kyung-Wan/0000-0001-6278-6369; Nam,
Kyung-Wan/0000-0001-6278-6369;
FU Northeastern Center for Chemical Energy Storage; U.S. Department of
Energy, Office of Science, Office of Basic Energy Sciences
[DE-SC0001294, BNL: DEAC02-98CH10886]
FX This work was supported by the Northeastern Center for Chemical Energy
Storage, an Energy Frontier Research Center funded by the U.S.
Department of Energy, Office of Science, Office of Basic Energy Sciences
under Contract Number DE-SC0001294 (Contract number for BNL:
DEAC02-98CH10886).
NR 35
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U1 6
U2 67
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 30
BP 11406
EP 11411
DI 10.1039/c1jm11036e
PG 6
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 795KZ
UT WOS:000292974400052
ER
PT J
AU Llordes, A
Hammack, AT
Buonsanti, R
Tangirala, R
Aloni, S
Helms, BA
Milliron, DJ
AF Llordes, Anna
Hammack, Aaron T.
Buonsanti, Raffaella
Tangirala, Ravisubhash
Aloni, Shaul
Helms, Brett A.
Milliron, Delia J.
TI Polyoxometalates and colloidal nanocrystals as building blocks for metal
oxide nanocomposite films
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID DECANIOBATE ION; SUPERLATTICES; NANOSTRUCTURES; DIHYDRATE
AB We report the preparation of solution-derived metal oxide nanocomposite films by combining polyoxometalates (POMs) and colloidal oxide nanocrystals. Polyniobates and vanadates were combined with Sn-doped In(2)O(3) (ITO) nanocrystals leading to Nb(2)O(5)-ITO, V(2)O(5)-ITO and VO(2)-ITO nanocomposite films. Compared to other solution-phase methodologies, this approach offers excellent control of the nanoinclusion composition, size, morphology, and volume fraction. Two different methodologies have been used, which are based on the ex situ (in solution) and in situ (within the film) ligand exchange of the pristine organic capping ligands of the nanocrystals by POMs. A thorough structural and compositional characterization of the films at different stages of the ligand exchange process is also presented.
C1 [Llordes, Anna; Hammack, Aaron T.; Buonsanti, Raffaella; Tangirala, Ravisubhash; Aloni, Shaul; Helms, Brett A.; Milliron, Delia J.] Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA.
RP Milliron, DJ (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA.
EM dmilliron@lbl.gov
RI Hammack, Aaron/A-4843-2011; Milliron, Delia/D-6002-2012; Llordes,
Anna/H-2370-2015;
OI Hammack, Aaron/0000-0002-8966-5978; Llordes, Anna/0000-0003-4169-9156;
Helms, Brett/0000-0003-3925-4174
FU Office of Science, Office of Basic Energy Sciences, Scientific User
Facilities Division, of the U.S. Department of Energy
[DE-AC02-05CH11231]; DOE; Laboratory Directed Research and Development
Program
FX We thank Dr Angang Dong for helpful suggestions regarding ligand
exchange, A. Hexemer and E. Chan for assistance and guidance with GISAXS
measurements and Maria Berbetores for help with the artwork designs.
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, Scientific User Facilities Division, of the
U.S. Department of Energy under Contract No. DE-AC02-05CH11231. D.J.M.
was supported by a DOE Early Career Research Program grant, and A. L.
and R.T. were supported by the Laboratory Directed Research and
Development Program.
NR 25
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Z9 38
U1 5
U2 45
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 31
BP 11631
EP 11638
DI 10.1039/c1jm10514k
PG 8
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 798GI
UT WOS:000293190200028
ER
PT J
AU Peng, S
Sun, YG
AF Peng, Sheng
Sun, Yugang
TI Ripening of bimodally distributed AgCl nanoparticles
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID SILVER-CHLORIDE NANOPARTICLES; X-RAY-DIFFRACTION; HIGHLY EFFICIENT;
WATER OXIDATION; MICELLE SYSTEM; VISIBLE-LIGHT; AT-AGCL; PHOTOCATALYST;
O-2; MICROEMULSIONS
AB Ripening of AgCl nanoparticles with a bimodal size distribution has been carefully studied in ethylene glycol containing poly(vinyl pyrrolidone) (PVP) as capping molecules and at elevated temperatures (e.g., 160 degrees C). The resulting AgCl particles exhibit high uniformity in size and cube-tetrapod morphology that are significantly different from the original AgCl nanoparticles. In addition, enhanced reducing ability of ethylene glycol at high temperature partially reduces AgCl to form Ag nanocrystalline domains in the AgCl particles, leading the AgCl particles to be efficiently absorbing visible light and to serve as a class of visible-light-driven photocatalysts due to the strong surface plasmon resonance (SPR) associated with the Ag nanocrystallites.
C1 [Peng, Sheng; Sun, Yugang] 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 Peng, Sheng/E-7988-2010; Sun, Yugang /A-3683-2010
OI Sun, Yugang /0000-0001-6351-6977
FU U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences [DE-AC02-06CH11357]
FX Use of the Center for Nanoscale Materials, and 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 DE-AC02-06CH11357. We gratefully
appreciate Dr C. An for his help at the beginning of this study, Dr G.
Wiederrecht and Dr J. Zhang for helpful discussion, and X. Wang for help
in preparing SEM samples.
NR 37
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PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 31
BP 11644
EP 11650
DI 10.1039/c1jm10475f
PG 7
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 798GI
UT WOS:000293190200030
ER
PT J
AU Yue, Q
Li, YZ
Kong, M
Huang, JC
Zhao, XJ
Liu, J
Williford, RE
AF Yue, Qin
Li, Yuanzhi
Kong, Ming
Huang, Jichao
Zhao, Xiujian
Liu, Jun
Williford, Ralph E.
TI Ultralow density, hollow silica foams produced through interfacial
reaction and their exceptional properties for environmental and energy
applications
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID MECHANICAL-PROPERTIES; SPHERES; AEROGELS; FABRICATION; TITANIA;
MICROSPHERES; NANOCRYSTALS; TEMPERATURE; CAPSULES; COATINGS
AB We report a novel, facile, and reproducible method for large-scale production of highly porous, hollow silica foams (hollow spheres) with a robust ultrathin shell of several nanometres through a simple, one-step, bubble-controlled, interfacial hydrolysis reaction. This material has exceptional properties, including ultralow density (0.028 g cm(-3), approaching 99% porosity), good thermal stability up to 1000 degrees C, an exceptionally high capacity for oil uptake from mixed solvents (up to 25.6 cm(3) g(-1)), and a very low thermal conductivity comparable to ultralow density silica aerogels.
C1 [Yue, Qin; Li, Yuanzhi; Kong, Ming; Huang, Jichao; Zhao, Xiujian] Wuhan Univ Technol, State Key Lab Silicate Mat Architectures, Wuhan 430070, Peoples R China.
[Liu, Jun; Williford, Ralph E.] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Li, Yuanzhi] Hubei Normal Univ, Hubei Key Lab Pollutant Anal & Reuse Technol, Huangshi 435002, Hubei, Peoples R China.
RP Li, YZ (reprint author), Wuhan Univ Technol, State Key Lab Silicate Mat Architectures, 122 Luoshi Rd, Wuhan 430070, Peoples R China.
EM liyuanzhi66@hotmail.com
RI Zhao, Xiujian/E-1499-2011
OI Zhao, Xiujian/0000-0002-2517-2605
FU National Basic Research Program of China [2009CB939704]; Ministry of
Education of China [309021]; Innovative Research Team Project of Hubei
Province [2010CDA070]; National Science Foundation [51032005]; Hubei Key
Laboratory of Pollutant Analysis & Reuse Technology [KY2010M02]; U.S.
Department of Energy [DE-AC05-76RL01830]
FX This work was supported by the National Basic Research Program of China
(2009CB939704), an important project of the Ministry of Education of
China (309021), the Innovative Research Team Project of Hubei Province
(2010CDA070), the National Science Foundation (51032005), and the
Opening Project of Hubei Key Laboratory of Pollutant Analysis & Reuse
Technology (KY2010M02). Pacific Northwest National Laboratory is
operated for the U.S. Department of Energy by Battelle under contract
DE-AC05-76RL01830.
NR 42
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Z9 25
U1 0
U2 18
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 32
BP 12041
EP 12046
DI 10.1039/c1jm12040a
PG 6
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 802IY
UT WOS:000293504500051
ER
PT J
AU Yu, JG
Rosso, KM
Zhang, JG
Liu, J
AF Yu, Jianguo
Rosso, Kevin M.
Zhang, Ji-Guang
Liu, Jun
TI Ab initio study of lithium transition metal fluorophosphate cathodes for
rechargeable batteries
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID MIXED ANIONIC FRAMEWORK; ELECTRODE MATERIALS; CRYSTAL-STRUCTURE; LI;
INTERCALATION; CHALLENGES; OXIDES; MN
AB Density functional theory (DFT) calculations using plane-wave methods were performed for (Li2TPO4F)-P-M, (LiTPO4F)-P-M, and (TPO4F)-P-M (T-M = V, Mn, Fe, Co, Ni) to address their feasibility as high-voltage cathode materials (>3.5 V relative to Li metal) for Li ion batteries. We computed their structures, average open circuit voltages, and thermal stabilities for step-wise lithiation/delithation (discharge/charge) reactions. The calculations suggest that associated unit cell volume changes are sufficiently small on average that they should not be a significant detriment to the mechanical stability of the cathode. In the nickel case, the calculated volume change deviates from the series by increasing during the first delithiation step. Furthermore, the volume increases for all these materials during the second delithiation step. The relative volume expansion in the series during delithiation appears related to the degree of mixing between metal d-orbtials and ligand p-orbitals. Predicted average open circuit voltages indicate that these Li-based transition metal fluorophosphates, most of which have yet to be successfully synthesized, are worthy of experimental pursuit as high-voltage cathodes, except for the lower predicted voltage for the reaction Li2VPO4F to LiVPO4F. However, examination of the relative thermal stability of possible undesirable decomposition products such as LiF suggests that in these materials Li extraction efficiency and the reversibility may be low in all but the vanadium phases.
C1 [Yu, Jianguo; Rosso, Kevin M.; Zhang, Ji-Guang; Liu, Jun] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Yu, JG (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
RI Yu, Jianguo/C-3424-2013
OI Yu, Jianguo/0000-0001-5604-8132
FU U.S. Department of Energy [DE-AC06-76RLO 1830]; U.S. DOE, Office of
Biological and Environmental Research
FX This work was conducted under the Laboratory Directed Research and
Development Program at Pacific Northwest National Laboratory, a
multi-program national laboratory operated by Battelle Memorial
Institute for the U.S. Department of Energy under Contract No.
DE-AC06-76RLO 1830. The computations were performed using resources of
the Molecular Science Computing Facility (MSCF) in the Environmental
Molecular Sciences Laboratory (EMSL), a national scientific user
facility sponsored by the U.S. DOE, Office of Biological and
Environmental Research and located at Pacific Northwest National
Laboratory.
NR 30
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U1 3
U2 28
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 32
BP 12054
EP 12058
DI 10.1039/c1jm10900f
PG 5
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 802IY
UT WOS:000293504500053
ER
PT J
AU Ding, B
Wang, XF
Yu, JY
Wang, MR
AF Ding, Bin
Wang, Xianfeng
Yu, Jianyong
Wang, Moran
TI Polyamide 6 composite nano-fiber/net functionalized by polyethyleneimine
on quartz crystal microbalance for highly sensitive formaldehyde sensors
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID NANOFIBROUS MEMBRANES; SENSING PROPERTIES; HUMIDITY; FILM; RECOGNITION;
PERFORMANCE; FABRICATION; COATINGS; ARRAYS; MODEL
AB A nanostructured complex, polyethyleneimine (PEI) functionalized polyamide 6 (PA 6) (PEI-PA 6) nano-fiber/net (NFN), is developed as a novel sensing coating on quartz crystal microbalance (QCM) for highly sensitive formaldehyde detection. The NFN structured substrate comprising common electrospun nanofibers and two-dimensional (2D) spider-web-like nano-nets fabricated by a facile electro-spinning/netting (ESN) process, exhibit large specific surface area, high porosity and large stacking density, which make them optimal candidates for sensing applications. The responses of the sensors in response to formaldehyde were analyzed in terms of PA 6 NFN membranes morphologies, PA 6 substrate and sensing PEI coating loads, and the comparison with nanoporous fibers. Experimental results show that this new PEI-PA 6 NFN nanostructure based QCM sensor exhibits excellent formaldehyde sensing performances in terms of remarkably low detection limit (50 ppb), rapid response, superior selectivity and good reproducibility. We expect the highly sensitive and robust NFN-based QCM sensor may serve as a practical and powerful tool for gas sensing and chemical analysis.
C1 [Ding, Bin; Wang, Xianfeng] Donghua Univ, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China.
[Ding, Bin; Wang, Xianfeng; Yu, Jianyong] Donghua Univ, Nanomat Res Ctr, Modern Text Inst, Shanghai 201620, Peoples R China.
[Wang, Xianfeng] Donghua Univ, Coll Text, Shanghai 201620, Peoples R China.
[Wang, Moran] Los Alamos Natl Lab, Div Earth & Environm Sci, Los Alamos, NM 87545 USA.
RP Ding, B (reprint author), Donghua Univ, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China.
EM binding@dhu.edu.cn; yujy@dhu.edu.cn
RI Wang, Moran/A-1150-2010; Wang, Xianfeng/I-9846-2014
FU National Natural Science Foundation of China [50803009]; 111 Project
[111-2-04, B07024]; Shanghai Committee of Science and Technology
[10JC1400600]; National Basic Research Program of China (973 Program)
[2011CB606103]; Shanghai Municipal Education Commission [11ZZ59];
Shanghai Education Commission [10SG32]
FX This work is supported by the National Natural Science Foundation of
China (No. 50803009), the "111 Project" (No. 111-2-04 and B07024), the
Shanghai Committee of Science and Technology (No. 10JC1400600), the
National Basic Research Program of China (973 Program, 2011CB606103),
the Innovation Program of Shanghai Municipal Education Commission
(11ZZ59), and the "Dawn" Program of Shanghai Education Commission
(10SG32).
NR 50
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U1 7
U2 60
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 34
BP 12784
EP 12792
DI 10.1039/c1jm11847a
PG 9
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 807LC
UT WOS:000293898300030
ER
PT J
AU Wang, CJ
Thompson, RL
Ohodnicki, P
Baltrus, J
Matranga, C
AF Wang, Congjun
Thompson, Robert L.
Ohodnicki, Paul
Baltrus, John
Matranga, Christopher
TI Size-dependent photocatalytic reduction of CO2 with PbS quantum dot
sensitized TiO2 heterostructured photocatalysts
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID VISIBLE-LIGHT; SEMICONDUCTOR NANOCRYSTALS; ELECTRON INJECTION;
CHARGE-TRANSFER; NANOPARTICLES; FILMS; GOLD; PHOTOCHEMISTRY;
PHOTOREDUCTION; CONVERSION
AB The photocatalytic reduction of CO2 to value-added chemicals, such as CH4, is a promising carbon management approach which can generate revenue from chemical sales to offset the cost of implementing CO2 capture technologies. To make photocatalytic conversion approaches efficient, economically practical, and industrially scalable, catalysts capable of utilizing visible and near infrared (IR) photons need to be developed. Here we investigate the sensitization of TiO2 catalysts using PbS quantum dots (QDs) which lead to the size dependent photocatalytic reduction of CO2 at frequencies ranging from the violet to the orange-red edge of the electromagnetic spectrum (lambda similar to 420 to 610 nm). Under broad band illumination (UV-NIR), the PbS QDs enhance CO2 photoreduction rates with TiO2 by a factor of similar to 5 in comparison to unsensitized photocatalysts. X-ray photoelectron spectroscopy (XPS) is used to investigate the deactivation mechanism of the QD sensitizers after prolonged photoexcitation. The synthesis, characterization, and catalytic testing of these PbS sensitized TiO2 heterostructures will aid the development of more robust, visible light active photocatalysts for carbon management applications.
C1 [Wang, Congjun; Thompson, Robert L.; Ohodnicki, Paul; Baltrus, John; Matranga, Christopher] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Wang, Congjun; Thompson, Robert L.] URS Corp, Pittsburgh, PA 15219 USA.
RP Wang, CJ (reprint author), US DOE, Natl Energy Technol Lab, 626 Cochrans Mill Rd, Pittsburgh, PA 15236 USA.
EM congjun.wang@ur.netl.doe.gov
RI Wang, Congjun/A-9608-2010; Matranga, Christopher/E-4741-2015
OI Matranga, Christopher/0000-0001-7082-5938
FU National Energy Technology Laboratory's under RES [DE-FE0004000]
FX This technical effort was performed in support of the National Energy
Technology Laboratory's on-going research under the RES contract
DE-FE0004000. Reference in this work to any specific commercial product
is to facilitate understanding and does not necessarily imply
endorsement by the US Department of Energy.
NR 38
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U1 10
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PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 35
BP 13452
EP 13457
DI 10.1039/c1jm12367j
PG 6
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 811BJ
UT WOS:000294176600043
ER
PT J
AU Wang, XF
Ding, B
Yu, JY
Wang, MR
AF Wang, Xianfeng
Ding, Bin
Yu, Jianyong
Wang, Moran
TI Highly sensitive humidity sensors based on electro-spinning/netting a
polyamide 6 nano-fiber/net modified by polyethyleneimine
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID QUARTZ-CRYSTAL MICROBALANCE; SENSING PROPERTIES; NANOFIBROUS MEMBRANES;
QCM SENSOR
AB A simple and straightforward strategy of depositing a nanostructured complex, based on a polyethyleneimine (PEI) functionalized polyamide 6 (PA 6) (PEI-PA 6) nano-fiber/net (NFN), on a quartz crystal microbalance (QCM) sensor for humidity detection is demonstrated. The PA 6 NFN substrate, comprising common electrospun nanofibers and spider-web-like nano-nets fabricated by a versatile electro-spinning/netting (ESN) process, exhibits several fundamental characteristics, such as a remarkable specific surface area, high open porosity and good interconnectivity. Therefore, the sensors based on PEI-PA 6 NFN membranes show high sensitivity and fast response/recovery time to humidity, which outperform current porous structure-based sensors. The frequency changes by approximately three orders of magnitude with relative humidity (RH) varying from 2% to 95%. Moreover, the resultant sensors also presents relatively small hysteresis and long-term stability. For low RH levels, the response of the QCM sensor is dependent on water molecules adsorbed/desorbed masses on NFN membranes, whereas for increasing RH levels variations in interlayer expansion stress of NFN membranes derived from the swelling effect become prevalent. This study demonstrates that NFN structured materials are have potential applications for fabricating high performance humidity sensors.
C1 [Wang, Xianfeng; Ding, Bin] Donghua Univ, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China.
[Ding, Bin] Donghua Univ, Engn Res Ctr Tech Text, Minist Educ, Shanghai 201620, Peoples R China.
[Wang, Xianfeng; Ding, Bin; Yu, Jianyong] Donghua Univ, Nanomat Res Ctr, Modern Text Inst, Shanghai 201620, Peoples R China.
[Wang, Xianfeng] Donghua Univ, Coll Text, Shanghai 201620, Peoples R China.
[Wang, Moran] Los Alamos Natl Lab, Div Earth & Environm Sci, Los Alamos, NM 87545 USA.
RP Ding, B (reprint author), Donghua Univ, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China.
EM binding@dhu.edu.cn; yujy@dhu.edu.cn
RI Wang, Moran/A-1150-2010; Wang, Xianfeng/I-9846-2014
FU National Natural Science Foundation of China [50803009, 51173022]; "111
Project" [111-2-04, B07024]; Shanghai Committee of Science and
Technology [10JC1400600]; National Basic Research Program of China (973
Program) [2011CB606103]; Shanghai Municipal Education Commission
[11ZZ59]; Shanghai Education Commission [10SG32]
FX This work is supported by the National Natural Science Foundation of
China (No. 50803009 and 51173022), the "111 Project" (No. 111-2-04 and
B07024), the Shanghai Committee of Science and Technology (No.
10JC1400600), the National Basic Research Program of China (973 Program,
2011CB606103), the Innovation Program of Shanghai Municipal Education
Commission (11ZZ59), and the "Dawn" Program of Shanghai Education
Commission (10SG32).
NR 42
TC 32
Z9 33
U1 14
U2 65
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 40
BP 16231
EP 16238
DI 10.1039/c1jm13037d
PG 8
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 829KZ
UT WOS:000295580800054
ER
PT J
AU Li, XL
Cao, YL
Qi, W
Saraf, LV
Xiao, J
Nie, ZM
Mietek, J
Zhang, JG
Schwenzer, B
Liu, J
AF Li, Xiaolin
Cao, Yuliang
Qi, Wen
Saraf, Laxmikant V.
Xiao, Jie
Nie, Zimin
Mietek, Jaroniec
Zhang, Ji-Guang
Schwenzer, Birgit
Liu, Jun
TI Optimization of mesoporous carbon structures for lithium-sulfur battery
applications
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID COMPOSITE CATHODE MATERIALS; IONIC LIQUID ELECTROLYTE; GLYCOL) DIMETHYL
ETHER; ELECTROCHEMICAL PROPERTIES; RECHARGEABLE BATTERIES; CYCLE
PROPERTY; PERFORMANCE; IMPROVEMENT; NANOTUBES; BINDER
AB Mesoporous carbon (MC) with tunable pore sizes (22 nm, 12 nm, 7 nm, and 3 nm) and pore volumes (from 1.3 to 4.8 cm(3) g(-1)) containing sulfur in the pores was studied as a mesoporous carbon-sulfur (MCS) composite electrode for lithium-sulfur (Li-S) batteries. Systematic investigation of these MCS composites reveals that MC with a larger pore volume can hold a higher maximum sulfur loading, but overall the battery performance is very similar for different MCS composites at full sulfur-filling conditions (i.e., the condition at which the sulfur loading approaches the maximum limit set by the pore volume of the individual MC and, therefore, the pores of each MC are fully filled by sulfur). For the same MC, partial sulfur-filling (i.e., the condition at which the sulfur loading is lower than the maximum limit and, therefore, the pores are only partially filled with sulfur) leads to an improved initial discharge capacity and cycle stability, probably because of improved electrical and ionic transport during electrochemical reactions. Based on this understanding, an MCS composite electrode using MC with a large pore volume, partial sulfur filling, and a novel surface modification was designed for Li-S batteries. An initial capacity of similar to 1390 mA h g(-1) (based on sulfur) and a capacity retention of similar to 840 mA h g(-1) over 100 cycles at a 0.1 C rate were obtained using MC (22 nm, 4.8 cm(3) g(-1)) with 50 wt% sulfur loading and a commercially available Clevios P (poly(3,4-ethylenedioxythiophene)poly (styrenesulfonate) (PEDT/PSS)) coating.
C1 [Li, Xiaolin; Cao, Yuliang; Qi, Wen; Saraf, Laxmikant V.; Xiao, Jie; Nie, Zimin; Zhang, Ji-Guang; Schwenzer, Birgit; Liu, Jun] Pacific NW Natl Lab, Richland, WA 99354 USA.
[Cao, Yuliang] Wuhan Univ, Dept Chem, Wuhan 430072, Peoples R China.
[Qi, Wen] Tianjin Univ, Sch Mat Sci & Engn, Tianjin 300072, Peoples R China.
[Mietek, Jaroniec] Kent State Univ, Dept Chem & Biochem, Kent, OH 44242 USA.
RP Li, XL (reprint author), Pacific NW Natl Lab, Richland, WA 99354 USA.
EM Xiaolin.li@pnl.gov; jun.liu@pnl.gov
FU U.S. Department of Energy (DOE), Office of Basic Energy Sciences,
Division of Materials Sciences and Engineering [KC020105-FWP12152];
Battelle [DE-AC05-76RL01830]
FX This research is supported by the U.S. Department of Energy (DOE),
Office of Basic Energy Sciences, Division of Materials Sciences and
Engineering, under Award KC020105-FWP12152. PNNL is a multiprogram
national laboratory operated for DOE by Battelle under Contract
DE-AC05-76RL01830.
NR 34
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U1 17
U2 261
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 41
BP 16603
EP 16610
DI 10.1039/c1jm12979a
PG 8
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 831LW
UT WOS:000295733300045
ER
PT J
AU Zhang, YHP
Myung, S
You, C
Zhu, ZG
Rollin, JA
AF Zhang, Y-H Percival
Myung, Suwan
You, Chun
Zhu, Zhiguang
Rollin, Joseph A.
TI Toward low-cost biomanufacturing through in vitro synthetic biology:
bottom-up design
SO JOURNAL OF MATERIALS CHEMISTRY
LA English
DT Article
ID FREE PROTEIN-SYNTHESIS; CATALYZED ORGANIC-SYNTHESIS; ONE-STEP
PRODUCTION; COFACTOR-REGENERATION; ENZYME IMMOBILIZATION;
BACILLUS-SUBTILIS; ESCHERICHIA-COLI; BIOFUEL CELLS; PHOSPHITE
DEHYDROGENASE; POLYPHOSPHATE KINASE
AB While most in vitro synthetic biology projects are usually used for the purposes of basic science research or the formation of high-value products, cell-free synthetic pathway biotransformation (SyPaB), which can implement complicated biochemical reactions by the in vitro assembly of numerous enzymes and coenzymes, would be used for low-cost biomanufacturing. In this article, we present bottom-up design principles for SyPaB from basic building blocks (enzymes and/or immobilized enzymes) to basic modules, such as NAD(P) H regeneration, NAD(P) H consumption, ATP regeneration, and extra ATP removal. A combination of thermostable enzymes (called thermoenzymes) with immobilization on solid supports, especially nano-materials and/or electrodes, would greatly prolong enzyme lifetime, enhance mass transfer, and facilitate product/biocatalyst separation. With developments in stable building blocks and modules (called biocatalytic modules), SyPaB has the potential to become a low-cost biomanufacturing platform for biofuels production and even biological CO2 fixation.
C1 [Zhang, Y-H Percival; Myung, Suwan; You, Chun; Zhu, Zhiguang; Rollin, Joseph A.] Virginia Tech, Dept Biol Syst Engn, Blacksburg, VA 24061 USA.
[Zhang, Y-H Percival] Virginia Tech, ICTAS, Blacksburg, VA 24061 USA.
[Zhang, Y-H Percival] DOE Bioenergy Sci Ctr, Oak Ridge, TN 37831 USA.
[Zhang, Y-H Percival; Rollin, Joseph A.] Gate Fuels Inc, Blacksburg, VA 24060 USA.
RP Zhang, YHP (reprint author), Virginia Tech, Dept Biol Syst Engn, 210-A Seitz Hall, Blacksburg, VA 24061 USA.
EM ypzhang@vt.edu
RI You, Chun/D-7656-2013; Zhu, Zhiguang/I-3936-2016
FU Air Force Office of Scientific Research; MURI; DOE Bioenergy Science
Center (BESC); USDA Biodesign and Bioprocess Center; China National
Special Fund for Key Laboratories [2060204]
FX This work was supported mainly by the Air Force Office of Scientific
Research and MURI, and partially by DOE Bioenergy Science Center (BESC),
USDA Biodesign and Bioprocess Center, and China National Special Fund
for Key Laboratories (No. 2060204).
NR 124
TC 34
Z9 35
U1 7
U2 44
PU ROYAL SOC CHEMISTRY
PI CAMBRIDGE
PA THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS,
ENGLAND
SN 0959-9428
J9 J MATER CHEM
JI J. Mater. Chem.
PY 2011
VL 21
IS 47
BP 18877
EP 18886
DI 10.1039/c1jm12078f
PG 10
WC Chemistry, Physical; Materials Science, Multidisciplinary
SC Chemistry; Materials Science
GA 851JW
UT WOS:000297265800003
ER
PT J
AU Ozcan, S
Tezcan, J
Gurung, B
Filip, P
AF Ozcan, Soydan
Tezcan, Jale
Gurung, Bijay
Filip, Peter
TI The effect of heat treatment temperature on the interfacial shear
strength of C/C composites
SO JOURNAL OF MATERIALS SCIENCE
LA English
DT Article
ID POLARIZED-LIGHT MICROSCOPY; CARBON CARBON COMPOSITES; FIBER-MATRIX
ADHESION; MECHANICAL-PROPERTIES; TENSILE-STRENGTH; SINGLE-FIBER; TESTS;
MICROSTRUCTURE; BEHAVIOR; CERAMICS
AB This paper investigates the effect of heat treatment temperature on the interfacial shear strength (IFSS) of carbon/carbon composites reinforced with polyacrylonitrile-based fibers. A series of single fiber push-out tests were performed on specimens heat treated at 1800, 2100, and 2400 A degrees C, using a nanoindenter with a flat ended conical tip. The microstructure was characterized using polarized light and transmission electron microscopy and the debonded fiber/matrix interface was examined using scanning electron microscopy. Wavelet analysis of the load-displacement data was used as an additional tool to investigate the initiation and progression of debonding. Compared to 1800 A degrees C, heat treatment at 2400 A degrees C was associated with a decrease in IFSS, from 12 to 7 MPa. Transmission electron microscopy study showed that the microstructure of the fiber/matrix interphase remained amorphous even with heat treatment at 2400 A degrees C. The decrease in the IFSS can be partly attributed to the reorganization of the graphene sheets in the matrix in the vicinity of fiber/matrix interphase. The thermal expansion mismatch between fiber and pyrocarbon matrix is another possible reason for the observed decrease in the IFSS.
C1 [Ozcan, Soydan; Gurung, Bijay; Filip, Peter] So Illinois Univ, Ctr Adv Frict Studies, Carbondale, IL 62901 USA.
RP Ozcan, S (reprint author), Oak Ridge Natl Lab, Div Mat Sci & Technol, Oak Ridge, TN 37830 USA.
EM ozcans@ornl.gov
OI Ozcan, Soydan/0000-0002-3825-4589
FU National Science Foundation [EEC 3369523372]; U.S. Department of Energy
[DEFG02-91-ER45439]; State of Illinois; consortium of 11 industrial
partners of the Center for Advanced Friction Studies
FX This research was sponsored by the National Science Foundation (Grant
EEC 3369523372), State of Illinois and a consortium of 11 industrial
partners of the Center for Advanced Friction Studies
(http://frictioncenter.engr.siu.edu). The high-resolution TEM
characterization was carried out at the Center for Microanalysis of
Materials, University of Illinois, which is partially supported by the
U.S. Department of Energy under grant DEFG02-91-ER45439.
NR 48
TC 4
Z9 4
U1 3
U2 35
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 JAN
PY 2011
VL 46
IS 1
BP 38
EP 46
DI 10.1007/s10853-010-4793-9
PG 9
WC Materials Science, Multidisciplinary
SC Materials Science
GA 700PG
UT WOS:000285755800002
ER
PT J
AU Bruno, G
Efremov, AM
Levandovskyi, AN
Clausen, B
AF Bruno, Giovanni
Efremov, Alexander M.
Levandovskyi, Andreyi N.
Clausen, Bjorn
TI Connecting the macro- and microstrain responses in technical porous
ceramics: modeling and experimental validations
SO JOURNAL OF MATERIALS SCIENCE
LA English
DT Article
ID YOUNG MODULUS; NEUTRON-DIFFRACTION; ELASTIC-MODULI; POROSITY DEPENDENCE;
TENSILE MODULUS; SINGLE-CRYSTAL; STRESS; REFINEMENT; CONSTANTS; BEHAVIOR
AB The relation between the macroscopic and the microscopic (lattice) strain response to external uniaxial stress has been investigated for porous ceramics. Analytical and finite element modeling (FEM) have been performed and neutron diffraction data on porous sintered alumina and extruded honeycomb SiC have been used to validate the theoretical approach. By FEM simulations, it is shown that in spite of the complex pore microstructure, shear stresses are small during uniaxial compression. Analytical modeling shows that while the average microscopic stress depends on the applied macroscopic stress only through the porosity p, the average microscopic strain depends on the macroscopic stress through the pore morphology factor m, as well. Novel relationships are proposed to describe this dependence. Analytical calculations and numerical modeling perfectly agree with each other, and both show good consistency with experiments. As predicted, it has been observed that the microscopic (diffraction) Young's modulus does not depend on the pore morphology factor, and follows the rule-of-mixtures, while the microscopic Poisson's ratio does not even depend on porosity, but is equal to the value for the dense material property. A practical implication of these findings is that it is not possible to attach a pore morphology factor to a material, unless the processing conditions are tailored to vary p without varying m. In fact, the different values of m found for the different porosities explain why many models can be used to rationalize the experimental data. With the proposed method, the factor m can be independently evaluated by the use of macro- and micro-elastic properties of the porous body. Analogously, the macroscopic elastic properties of the dense material can be obtained by macroscopic and microscopic values measured on the correspondent porous material.
C1 [Bruno, Giovanni] Corning SAS, CETC, F-77210 Avon, France.
[Efremov, Alexander M.; Levandovskyi, Andreyi N.] Corning Inc, St Petersburg 194018, Russia.
[Clausen, Bjorn] LANL, LANSCE, Lujan Ctr, Los Alamos, NM 87545 USA.
RP Bruno, G (reprint author), Corning SAS, CETC, 7 Bis Av Valvins, F-77210 Avon, France.
EM brunog@corning.com
RI Bruno, Giovanni/E-2817-2013; Clausen, Bjorn/B-3618-2015
OI Clausen, Bjorn/0000-0003-3906-846X
FU Office of Basic Energy Sciences (DOE); DOE [DE AC52 06NA25396]
FX Thomas Glasson and Cedric LeGoff (Corning SAS, CETC, Avon, France),
Angela Graefe, Andy Schermerhorn, James E. Webb and Lisa Noni (Corning
Inc, Painted Post, NY, USA.), Irina Pozdnyakova (CNRS, Orleans, France),
and Darren J Hughes (ILL, Grenoble, France), Donald W. Brown and Thomas
A. Sisneros (MST-8, LANL, Los Alamos, NM, USA) are kindly acknowledged.
This work has benefited from beam time from the Institut LaueLangevin
(ILL), Grenoble, France, as well as the use of the Lujan Neutron
Scattering Center at LANSCE, which is funded by the Office of Basic
Energy Sciences (DOE). Los Alamos National Laboratory is operated by Los
Alamos National Security LLC under DOE Contract DE AC52 06NA25396.
NR 44
TC 28
Z9 28
U1 2
U2 19
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 JAN
PY 2011
VL 46
IS 1
BP 161
EP 173
DI 10.1007/s10853-010-4899-0
PG 13
WC Materials Science, Multidisciplinary
SC Materials Science
GA 700PG
UT WOS:000285755800018
ER
PT J
AU Yao, PJ
Yang, X
Xu, XH
Lu, YQ
Ji, HF
Dai, S
AF Yao, Pengjun
Yang, Xin
Xu, Xiaohe
Lu, Yanqing
Ji, Hai-Feng
Dai, Sheng
TI Morphologies and optical properties of nanostructures self-assembled
from asymmetrical, amphiphilic perylene derivatives
SO JOURNAL OF MATERIALS SCIENCE
LA English
DT Article
ID PHOTOLUMINESCENCE; PHTHALOCYANINE; TRANSISTORS; FIELD; DYES
AB Two asymmetrical, amphiphilic perylene derivatives, N-Decyl-perylene-3,4:9,10-tetracaboxylic-3,4-di(methoxyethoxyethyl)ester-9,10-imide (D1E2) and N-(1-Decylundecyl)-perylene-3,4:9,10-tetracaboxylic-3,4-di(methoxyethoxyethyl)ester-9,10-imide (D2E2), have been synthesized and characterized. These compounds contain one long hydrophobic chain on one end and two hydrophilic ethoxy chains on the other end. Self-assembly of these molecules in a variety of solvents has been demonstrated. Scanning electron microscopy images showed that these compounds self-assembled to various nanostructures in different solvents. The most well-defined structure was flexible nanoribbons obtained from D1E2 precipitation in methanol. The UV-vis absorption and fluorescence spectra of these compounds in solution and solid form are also reported. The self-assembled nanostructures have potential applications in optoelectronics.
C1 [Yang, Xin; Xu, Xiaohe; Ji, Hai-Feng] Drexel Univ, Dept Chem, Philadelphia, PA 19010 USA.
[Yao, Pengjun; Lu, Yanqing] Louisiana Tech Univ, Inst Micromfg, Ruston, LA 71272 USA.
[Dai, Sheng] Oak Ridge Natl Lab, Div Chem Sci, Oak Ridge, TN 37831 USA.
RP Ji, HF (reprint author), Drexel Univ, Dept Chem, Philadelphia, PA 19010 USA.
EM hj56@drexel.edu
RI Dai, Sheng/K-8411-2015
OI Dai, Sheng/0000-0002-8046-3931
FU National Natural Science Foundation of China (NSFC) [20728506/B05]
FX This work was partially supported by National Natural Science Foundation
of China (NSFC) 20728506/B05.
NR 31
TC 2
Z9 2
U1 0
U2 13
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 JAN
PY 2011
VL 46
IS 1
BP 188
EP 195
DI 10.1007/s10853-010-4907-4
PG 8
WC Materials Science, Multidisciplinary
SC Materials Science
GA 700PG
UT WOS:000285755800021
ER
PT J
AU Cheng, J
Vianco, PT
Subjeck, J
Li, JCM
AF Cheng, Jing
Vianco, Paul T.
Subjeck, Joeseph
Li, James C. M.
TI An assessment of Sn whiskers and depleted area formation in thin Sn
films using quantitative image analysis
SO JOURNAL OF MATERIALS SCIENCE
LA English
DT Article
ID SOLDER JOINTS; GROWTH
AB An experimental technique was developed to determine the extent of Sn whisker growth and depleted area formation on evaporated 1 mu m tin (Sn) films. Deformation of the Si substrate placed a controlled magnitude of compressive or tensile stress across the films. Quantitative image analysis was used to monitor whisker growth and size of the depleted areas. The test conditions were: stresses 10-40 MPa; temperature, 180 A degrees C; and time durations, 1-8 weeks. The whisker length increased with compressive stress. The whiskers appeared within the first week, but then did not grow significantly with additional time. Some whiskers were located in the centers of depleted areas. The depleted areas size was not sensitive to the applied stress, but did increase with annealing time. Both Sn whiskers and depleted areas were the result of potentially similar rapid, long-range diffusion processes. However, differing trends suggested that separate driving forces and/or rate kinetics controlled the two phenomena.
C1 [Cheng, Jing; Subjeck, Joeseph; Li, James C. M.] Univ Rochester, Mat Sci Program, Rochester, NY 14627 USA.
[Vianco, Paul T.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Cheng, J (reprint author), Univ Rochester, Mat Sci Program, 601 Elmwood Ave, Rochester, NY 14627 USA.
EM jicheng@me.rochester.edu
FU Sandia National Laboratories [DE-AC04-94AL85000]
FX This research was supported by Sandia National Laboratories, which 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 No. DE-AC04-94AL85000.
NR 28
TC 5
Z9 5
U1 0
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 JAN
PY 2011
VL 46
IS 1
BP 263
EP 274
DI 10.1007/s10853-010-4976-4
PG 12
WC Materials Science, Multidisciplinary
SC Materials Science
GA 700PG
UT WOS:000285755800029
ER
PT J
AU Bondar, AN
Fischer, S
Smith, JC
AF Bondar, Ana-Nicoleta
Fischer, Stefan
Smith, Jeremy C.
TI Water Pathways in the Bacteriorhodopsin Proton Pump
SO JOURNAL OF MEMBRANE BIOLOGY
LA English
DT Article
DE Water; Proton transfer; Bacteriorhodopsin; QM/MM; Reaction path
computation
ID SOLID-STATE NMR; SCHIFF-BASE; MOLECULAR-DYNAMICS; X-RAY;
CRYSTALLOGRAPHIC STRUCTURE; EXTRACELLULAR SURFACE; THEORETICAL-ANALYSIS;
ANGSTROM RESOLUTION; L-PHOTOINTERMEDIATE; STRUCTURAL-CHANGES
AB Internal water molecules play key roles in the functioning of the light-driven bacteriorhodopsin proton pump. Of particular importance is whether during the proton-pumping cycle the critical water molecule w402 can relocate from the extracellular to the cytoplasmic side of the retinal Schiff base. Here, classical mechanical and combined quantum mechanical/molecular mechanical reaction path computations are performed to investigate pathways and energetic factors influencing w402 relocation. Hydrogen bonding between w402 and the negatively charged Asp85 and Asp212 largely opposes repositioning of the water molecule. In contrast, favorable contributions from hydrogen bonding of w402 with the Schiff base and Thr89 and from the untwisting of the retinal polyene chain lower the energetic cost for water relocation. The delicate balance between the competing contributions underlies the need for highly accurate calculations and structural information.
C1 [Bondar, Ana-Nicoleta; Fischer, Stefan; Smith, Jeremy C.] Univ Heidelberg, IWR, D-69120 Heidelberg, Germany.
[Bondar, Ana-Nicoleta] German Canc Res Ctr, Dept Mol Biophys, D-69120 Heidelberg, Germany.
[Smith, Jeremy C.] Univ Tennessee, Oak Ridge Natl Lab, Ctr Biophys Mol, Oak Ridge, TN 37831 USA.
[Bondar, Ana-Nicoleta] Univ Calif Irvine, Dept Physiol & Biophys, Irvine, CA 92697 USA.
RP Bondar, AN (reprint author), Free Univ Berlin, Dept Phys, Arnimallee 14, D-14195 Berlin, Germany.
EM nicoleta.bondar@uci.edu; smithjc@ornl.gov
RI smith, jeremy/B-7287-2012
OI smith, jeremy/0000-0002-2978-3227
FU Deutsche Forschungsgemeinschaft [SM 63/7]; National Institutes of
General Medical Sciences [GM74637, GM-86685]; U.S. Department of Energy
FX This work was financed in part by the Deutsche Forschungsgemeinschaft
(SM 63/7). ANB was supported by grants GM74637 and GM-86685 from the
National Institutes of General Medical Sciences. JCS was supported by a
Laboratory-Directed Research and Development grant in Systems Biology to
Oak Ridge National Laboratory from the U.S. Department of Energy.
NR 64
TC 8
Z9 8
U1 2
U2 17
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 0022-2631
J9 J MEMBRANE BIOL
JI J. Membr. Biol.
PD JAN
PY 2011
VL 239
IS 1-2
BP 73
EP 84
DI 10.1007/s00232-010-9329-3
PG 12
WC Biochemistry & Molecular Biology; Cell Biology; Physiology
SC Biochemistry & Molecular Biology; Cell Biology; Physiology
GA 712KG
UT WOS:000286665000009
PM 21113780
ER
PT J
AU Vijayakumar, M
Bhuvaneswari, MS
Nachimuthu, P
Schwenzer, B
Kim, S
Yang, ZG
Liu, J
Graff, GL
Thevuthasan, S
Hu, JZ
AF Vijayakumar, M.
Bhuvaneswari, M. S.
Nachimuthu, P.
Schwenzer, Birgit
Kim, Soowhan
Yang, Zhenguo
Liu, Jun
Graff, Gordon L.
Thevuthasan, S.
Hu, Jianzhi
TI Spectroscopic investigations of the fouling process on Nafion membranes
in vanadium redox flow batteries
SO JOURNAL OF MEMBRANE SCIENCE
LA English
DT Article
DE Vanadium redox flow battery; Nafion membrane; XPS; O-17 & F-19 NMR and
UV/Vis spectroscopy
ID PERFLUOROSULFONATED IONOMER MEMBRANES; XPS ANALYSIS; PERFLUORINATED
IONOMER; TRANSPORT CHARACTERISTICS; PHOTOVOLTAIC SYSTEMS; EXCHANGE
MEMBRANES; OXIDATION-STATES; WATER TRANSPORT; FUEL-CELL; ION
AB The Nation membrane is a critical component in redox flow batteries, which are widely investigated for grid-scale energy storage. However, there is very limited understanding of the fundamental properties of the membrane materials in the working environment relevant to redox flow batteries. This paper presents results of the analysis of the Nafion-117 membrane used in a vanadium redox flow battery by X-ray photoelectron spectroscopy (XPS), nuclear magnetic resonance (NMR) spectroscopy, and ultraviolet/visible spectroscopy. The XPS study reveals the chemical identity and environment of vanadium cations accumulated at the surface. On the other hand, the O-17 NMR measurement explores the nature of the diffused vanadium cations inside the bulk part of the Nation and shows the chemical bonding of cations and the host membrane. The F-19 NMR shows that the basic Nafion structure is not altered by the vanadium cations diffused inside. Based on these spectroscopic studies, the chemical identity and environment of the diffused vanadium cations in the Nafion membrane are discussed. This study reveals important information on the origin of performance degradation of the membrane materials in vanadium redox flow batteries and provides clues on how to improve the chemistry and properties of the energy storage devices. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Vijayakumar, M.; Bhuvaneswari, M. S.; Nachimuthu, P.; Schwenzer, Birgit; Kim, Soowhan; Yang, Zhenguo; Liu, Jun; Graff, Gordon L.; Thevuthasan, S.; Hu, Jianzhi] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Hu, JZ (reprint author), Pacific NW Natl Lab, Richland, WA 99352 USA.
EM Vijayakumar.Murugesan@pnl.gov; Jianzhi.Hu@pnl.gov
RI Murugesan, Vijayakumar/C-6643-2011; Hu, Jian Zhi/F-7126-2012;
OI Murugesan, Vijayakumar/0000-0001-6149-1702; Schwenzer,
Birgit/0000-0002-7872-1372
FU Pacific Northwest National Laboratory (PNNL); Office of Electricity (OE
Delivery & Energy Reliability, U.S. Department of Energy [DOE]) [57558];
DOE's Office of Biological and Environmental Research; DOE
[DE-AC05-76RL01830]
FX The work is supported by the Laboratory-Directed Research and
Development Program of the Pacific Northwest National Laboratory (PNNL),
and by the Office of Electricity (OE Delivery & Energy Reliability, U.S.
Department of Energy [DOE]) under Contract #57558. The NMR and XPS work
were carried out at the Environmental and Molecular Sciences Laboratory,
a national scientific user facility sponsored by DOE's Office of
Biological and Environmental Research. PNNL is a multiprogram laboratory
operated for DOE by Battelle under Contract DE-AC05-76RL01830.
NR 57
TC 49
Z9 52
U1 9
U2 69
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 JAN 1
PY 2011
VL 366
IS 1-2
BP 325
EP 334
DI 10.1016/j.memsci.2010.10.018
PG 10
WC Engineering, Chemical; Polymer Science
SC Engineering; Polymer Science
GA 701VH
UT WOS:000285851600038
ER
PT J
AU Sorenson, SG
Payzant, EA
Gibbons, WT
Soydas, B
Kita, H
Noble, RD
Falconer, JL
AF Sorenson, Stephanie G.
Payzant, E. Andrew
Gibbons, William T.
Soydas, Belma
Kita, Hidetoshi
Noble, Richard D.
Falconer, John L.
TI Influence of zeolite crystal expansion/contraction on NaA zeolite
membrane separations
SO JOURNAL OF MEMBRANE SCIENCE
LA English
DT Article
DE Water/alcohol separations; Pervaporation; X-ray diffraction; Zeolite A
crystal; Zeolite expansion/contraction
ID GAS PERMEATION PROPERTIES; LIQUID-MIXTURES; A MEMBRANES; PERVAPORATION;
WATER; ADSORPTION; REDETERMINATION; SILICALITE; DIFFUSION; ALCOHOL
AB In situ powder XRD measurements showed that adsorption causes the NaA zeolite unit cell to contract or expand, and these changes depend on adsorbate loading. Changes in zeolite crystal size correlated with permeation changes through NaA zeolite membranes. These membranes had high water/alcohol pervaporation selectivities, even though gas permeation was mainly through defects, as indicated by Knudsen selectivities for single gas permeation. At 300 K and a thermodynamic activity of 0.03, water contracted the NaA crystals by 0.22 vol%, and this contraction increased the helium flux through two NaA membranes by approximately 80%. Crystal contraction also increased the fluxes of i-butane during vapor permeation and i-propanol (IPA) during pervaporation (similar to 0.03 wt% water). At activities above 0.07, water expanded NaA crystals and correspondingly decreased the fluxes of helium, i-butane, and IPA through NaA zeolite membranes. Methanol also contracted NaA crystals, but by only 0.05 vol% at an activity of 0.02, and this contraction slightly increased the helium and i-butane fluxes through a NaA membrane. Above an activity of 0.06, methanol expanded the NaA crystals, and the fluxes of helium and i-butane through a NaA membrane decreased. These adsorbate-induced changes explain some pervaporation behavior reported by others, and they indicate that crystal expansion and contraction may increase or decrease zeolite NaA membrane selectivity by changing the defect sizes. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Sorenson, Stephanie G.; Gibbons, William T.; Soydas, Belma; Noble, Richard D.; Falconer, John L.] Univ Colorado, Dept Chem & Biol Engn, Boulder, CO 80309 USA.
[Payzant, E. Andrew] Oak Ridge Natl Lab, Ctr Nanophase Mat Sci, Oak Ridge, TN 37831 USA.
[Kita, Hidetoshi] Yamaguchi Univ, Dept Environm Sci & Engn, Yamaguchi 7558611, Japan.
[Soydas, Belma] Middle E Tech Univ, Dept Chem Engn, TR-06531 Ankara, Turkey.
RP Falconer, JL (reprint author), Univ Colorado, Dept Chem & Biol Engn, Boulder, CO 80309 USA.
EM john.falconer@colorado.edu
RI Payzant, Edward/B-5449-2009; Wettstein, Stephanie/D-2286-2012;
OI Payzant, Edward/0000-0002-3447-2060; Gibbons,
William/0000-0002-3193-3490
FU American Chemical Society; Division of Scientific User Facilities, U.S.
Department of Energy at Oak Ridge National Laboratory; Department of
Education; Scientific User Facilities Division, Office of Basic Energy
Sciences, U.S. Department of Energy
FX Acknowledgment is made to the Donors of the American Chemical Society
Petroleum Research Fund for partial support of this research. A portion
of this research was conducted at the Center for Nanophase Materials
Sciences, which is sponsored at Oak Ridge National Laboratory by the
Division of Scientific User Facilities, U.S. Department of Energy. We
gratefully acknowledge support by a Department of Education GAANN
fellowship to SGS, and the Scientific User Facilities Division, Office
of Basic Energy Sciences, U.S. Department of Energy. We thank Dr.
Yanfeng Zhang for preparing the zeolite crystals and one of the
membranes.
NR 32
TC 20
Z9 21
U1 2
U2 41
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 JAN 1
PY 2011
VL 366
IS 1-2
BP 413
EP 420
DI 10.1016/j.memsci.2010.10.043
PG 8
WC Engineering, Chemical; Polymer Science
SC Engineering; Polymer Science
GA 701VH
UT WOS:000285851600049
ER
PT J
AU Park, JM
Kim, TG
Constant, K
Ho, KM
AF Park, Joong-Mok
Kim, Tae-Geun
Constant, Kristen
Ho, Kai-Ming
TI Fabrication of submicron metallic grids with interference and phase-mask
holography
SO JOURNAL OF MICRO-NANOLITHOGRAPHY MEMS AND MOEMS
LA English
DT Article
DE holographic interferometry; photonic bandgap materials; complex
nanostructures; fabrication and characterization nanoscale materials;
methods of micro- and nanofabrication
ID SUBWAVELENGTH HOLE ARRAYS; LITHOGRAPHY; MICROSTRUCTURES; TRANSMISSION;
SYMMETRY; EXPOSURE
AB Complex, submicron Cu metallic mesh nanostructures are made by electrochemical deposition using polymer templates made from photoresist. The polymer templates are fabricated with photoresist using two- beam interference holography and phase mask holography with three diffracted beams. Freestanding metallic mesh structures are made in two separate electrodepositions with perpendicular photoresist grating templates. Cu mesh square nanostructures having large (52.6%) open areas are also made by single electrodeposition with a photoresist template made with a phase mask. These structures have potential as electrodes in photonic devices. (C) 2011 Society of Photo-Optical Instrumentation Engineers (SPIE). [DOI: 10.1117/1.3541794]
C1 [Park, Joong-Mok; Constant, Kristen; Ho, Kai-Ming] US DOE, Ames Lab, Ames, IA 50011 USA.
[Park, Joong-Mok; Ho, Kai-Ming] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA.
[Kim, Tae-Geun] Korea Univ, Sch Elect Engn, Seoul 136701, South Korea.
[Constant, Kristen] Iowa State Univ, Dept Mat Sci & Engn, Ames, IA 50011 USA.
RP Park, JM (reprint author), US DOE, Ames Lab, 317 Zaffarano, Ames, IA 50011 USA.
EM joongmok@iastate.edu
RI Constant, Kristen/C-3673-2014
OI Constant, Kristen/0000-0001-7138-9365
FU Division of Materials Sciences and Engineering, Basic Energy Sciences,
U.S. Department of Energy; Iowa State University for the Office of
Science, U.S. Department of Energy [DE-AC0207-CH11358]; Korean
Government (MOEHRD) [KRF-2008-D00074]; Korea government (MOST)
[F012007-00011760-0]
FX This work is supported by the Division of Materials Sciences and
Engineering, Basic Energy Sciences, U.S. Department of Energy. The Ames
Laboratory is operated by Iowa State University for the Office of
Science, U.S. Department of Energy under Contract No. DE-AC0207-CH11358.
This work also was supported by a Korea Research Foundation grant funded
by the Korean Government (MOEHRD) (Grant No. KRF-2008-D00074) and partly
supported by a Korea Science and Engineering Foundation (KOSEF) grant
funded by the Korea government (MOST) under Project No.
F012007-00011760-0.
NR 18
TC 3
Z9 3
U1 3
U2 8
PU SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
PI BELLINGHAM
PA 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98225 USA
SN 1932-5150
EI 1932-5134
J9 J MICRO-NANOLITH MEM
JI J. Micro-Nanolithogr. MEMS MOEMS
PD JAN-MAR
PY 2011
VL 10
IS 1
AR 013011
DI 10.1117/1.3541794
PG 5
WC Engineering, Electrical & Electronic; Nanoscience & Nanotechnology;
Materials Science, Multidisciplinary; Optics
SC Engineering; Science & Technology - Other Topics; Materials Science;
Optics
GA 742LK
UT WOS:000288944900020
ER
PT J
AU Caleman, C
Bergh, M
Scott, HA
Spence, JCH
Chapman, HN
Timneanu, N
AF Caleman, Carl
Bergh, Magnus
Scott, Howard A.
Spence, John C. H.
Chapman, Henry N.
Timneanu, Nicusor
TI Simulations of radiation damage in biomolecular nanocrystals induced by
femtosecond X-ray pulses
SO JOURNAL OF MODERN OPTICS
LA English
DT Article
DE radiation damage; X-ray free electron laser; molecular dynamics; non-LTE
ID FREE-ELECTRON LASER; PROTEIN NANOCRYSTALLOGRAPHY; DIFFRACTION; PLASMAS;
IONIZATION; DYNAMICS; OPERATION; CASCADES; GROMACS; IMPACT
AB The Linac Coherent Light Source (LCLS) is the first X-ray free electron laser to achieve lasing at subnanometer wavelengths (6 angstrom). LCLS is poised to reach even shorter wavelengths (1.5 angstrom) and thus holds the promise of single molecular imaging at atomic resolution. The initial operation at a photon energy of 2 keV provides the possibility to perform the first experiments on damage to biological particles, and to assess the limitations to coherent imaging of biological samples, which are directly relevant at atomic resolution. In this paper we theoretically investigate the damage formation and detection possibilities for a biological crystal, by employing and comparing two different damage models with complementary strengths. Molecular dynamics provides a discrete approach which investigates structural details at the atomic level by tracking all atoms in the real space. Our continuum model is based on a non-local thermodynamics equilibrium code with atomic kinetics and radiation transfer and can treat hydrodynamic expansion of the entire system. The latter approach captures the essential features of atomic displacements, without taking into account structural information and intrinsic atomic movements. This proves to be a powerful computational tool for many samples, including biological crystals, which will be studied with X-ray free electron lasers.
C1 [Timneanu, Nicusor] Uppsala Univ, Dept Cell & Mol Biol, SE-75124 Uppsala, Sweden.
[Caleman, Carl; Chapman, Henry N.] DESY, Ctr Free Elect Laser Sci, Coherent Imaging Div, DE-22607 Hamburg, Germany.
[Bergh, Magnus] Swedish Def Res Agcy, SE-14725 Tumba, Sweden.
[Scott, Howard A.] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA.
[Spence, John C. H.] Arizona State Univ, Dept Phys, Tempe, AZ 85287 USA.
[Chapman, Henry N.] Univ Hamburg, DE-22761 Hamburg, Germany.
RP Timneanu, N (reprint author), Uppsala Univ, Dept Cell & Mol Biol, Box 596, SE-75124 Uppsala, Sweden.
EM nicusor@xray.bmc.uu.se
RI Timneanu, Nicusor/C-7691-2012; Chapman, Henry/G-2153-2010
OI Timneanu, Nicusor/0000-0001-7328-0400; Chapman,
Henry/0000-0002-4655-1743
FU Lawrence Livermore National Laboratory (LLNL) [DE-AC52-07NA27344];
Swedish Research Foundation; Helmholtz Association through the Center
for Free-Electron Laser Science; NSF [MCB-1021557]; Swedish National
Infrastructure for Computing; UPPMAX [p2009018]
FX This material is published by permission of the Lawrence Livermore
National Laboratory (LLNL) www.llnl.gov under Contract No.
DE-AC52-07NA27344. The U. S. Government retains for itself, and others
acting on its behalf, a paid-up, non-exclusive, and 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.; The Swedish Research
Foundation is acknowledged for financial support, as well as the
Helmholtz Association through the Center for Free-Electron Laser
Science, and NSF award MCB-1021557. The Swedish National Infrastructure
for Computing, UPPMAX (project p2009018) and David van der Spoel are
gratefully acknowledged for support with computational resources.
Prepared in part by LLNL under Contract DE-AC52-07NA27344.
NR 53
TC 20
Z9 20
U1 0
U2 15
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0950-0340
J9 J MOD OPTIC
JI J. Mod. Opt.
PY 2011
VL 58
IS 16
SI SI
BP 1486
EP 1497
DI 10.1080/09500340.2011.597519
PG 12
WC Optics
SC Optics
GA 833FC
UT WOS:000295866700013
ER
PT J
AU Carmele, A
Kabuss, J
Richter, M
Knorr, A
Chow, WW
AF Carmele, Alexander
Kabuss, Julia
Richter, Marten
Knorr, Andreas
Chow, Weng W.
TI Quantum optics in a semiconductor quantum dot
SO JOURNAL OF MODERN OPTICS
LA English
DT Article
DE quantum dots; photon statistics; cluster expansion; phonons;
anti-bunching
ID SINGLE-PHOTON SOURCES
AB A many-body theory for quantum optics in a semiconductor quantum dot strongly coupled to cavity field and phonon bath is presented. We discuss the slow convergence of the typical cluster expansion and present an exactly solvable model for the combined electron, photon and phonon dynamics.
C1 [Carmele, Alexander; Kabuss, Julia; Richter, Marten; Knorr, Andreas] Tech Univ Berlin, Inst Theoret Phys Nichtlineare Opt & Quantenelekt, D-10623 Berlin, Germany.
[Chow, Weng W.] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Carmele, A (reprint author), Tech Univ Berlin, Inst Theoret Phys Nichtlineare Opt & Quantenelekt, Hardenbergstr 36, D-10623 Berlin, Germany.
EM alex@itp.tu-berlin.de
RI Richter, Marten/B-7790-2008
OI Richter, Marten/0000-0003-4160-1008
FU Sandia's Solid-State Lighting Science Center, an Energy Frontier
Research Center (EFRC); U.S. Department of Energy, Office of Science,
Office of Basic Energy Sciences; Deutsche [Sonderforschungbereich (SFB)
787]
FX This work is funded in parts by the Sandia's Solid-State Lighting
Science Center, an Energy Frontier Research Center (EFRC) funded by the
U.S. Department of Energy, Office of Science, Office of Basic Energy
Sciences and the Deutsche Sonderforschungbereich (SFB) 787.
NR 21
TC 0
Z9 0
U1 0
U2 3
PU TAYLOR & FRANCIS LTD
PI ABINGDON
PA 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
SN 0950-0340
J9 J MOD OPTIC
JI J. Mod. Opt.
PY 2011
VL 58
IS 21
SI SI
BP 1951
EP 1956
DI 10.1080/09500340.2011.596630
PG 6
WC Optics
SC Optics
GA 866RK
UT WOS:000298399200009
ER
PT J
AU Dai, Q
Zou, B
Yu, WW
Seo, J
Hu, MZ
AF Dai, Quanqin
Zou, Bo
Yu, William W.
Seo, Jaetae
Hu, Michael Z.
TI Nanocrystals-Related Synthesis, Assembly, and Energy Applications
SO JOURNAL OF NANOMATERIALS
LA English
DT Editorial Material
C1 [Dai, Quanqin; Hu, Michael Z.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Zou, Bo] Jilin Univ, State Key Lab Superhard Mat, Changchun 130012, Peoples R China.
[Yu, William W.] Rice Univ, Ctr Biol & Environm Nanotechnol, Houston, TX 77005 USA.
[Seo, Jaetae] Hampton Univ, Dept Phys, Hampton, VA 23668 USA.
RP Dai, Q (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM connectdai@hotmail.com
RI Zou, Bo/C-6926-2008;
OI Zou, Bo/0000-0002-3215-1255; Hu, Michael/0000-0001-8461-9684
NR 0
TC 0
Z9 0
U1 0
U2 6
PU HINDAWI PUBLISHING CORPORATION
PI NEW YORK
PA 410 PARK AVENUE, 15TH FLOOR, #287 PMB, NEW YORK, NY 10022 USA
SN 1687-4110
J9 J NANOMATER
JI J. Nanomater.
PY 2011
AR 237050
DI 10.1155/2011/237050
PG 2
WC Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
SC Science & Technology - Other Topics; Materials Science
GA 728NL
UT WOS:000287880700001
ER
PT J
AU Podsiadlo, P
Krylova, GV
Demortiere, A
Shevchenko, EV
AF Podsiadlo, Paul
Krylova, Galyna V.
Demortiere, Arnaud
Shevchenko, Elena V.
TI Multicomponent periodic nanoparticle superlattices
SO JOURNAL OF NANOPARTICLE RESEARCH
LA English
DT Review
DE Self-assembly; Interparticle forces; Colloidal crystals; Nanoparticles;
Superlattices; Future perspective; Nanopatterning; Surface science
ID BINARY NANOCRYSTAL SUPERLATTICES; 2 DIFFERENT SIZES; PEPTIDE-AMPHIPHILE
NANOFIBERS; SEMICONDUCTOR QUANTUM DOTS; ENTROPY-DRIVEN FORMATION;
CLOSE-PACKED STRUCTURES; HARD-SPHERE COLLOIDS; SELF-ORGANIZATION; COPT3
NANOCRYSTALS; PHOTONIC CRYSTALS
AB In this article, we review the state-of-the-art in the preparation and characterization of multicomponent self-assembled superlattices of colloidal nanoparticles with core sizes in the range of 2-20 nm and interparticle spacing less than 2 nm down to intimate contact stemming from sintering. Several aspects of the field are discussed, including: structural organization, the role of particle size distribution, key interparticle forces at play, and methods of investigation of the structures. Contrary to the extensively studied colloidal crystals composed of microscale particles, the nanoparticles possess unique size-dependent properties, such as electronic, optical, or magnetic, which when combined into periodic structures can potentially lead to new collective states stemming from precise positioning of the nanocolloids. As such, we examine a number of emerging applications of this new class of metamaterials. Finally, we speculate on the potential impact of these materials, the new directions, and the challenges for the researchers.
C1 [Podsiadlo, Paul; Krylova, Galyna V.; Demortiere, Arnaud; Shevchenko, Elena V.] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
RP Podsiadlo, P (reprint author), Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA.
EM ppodsiadlo@anl.gov; eshevchenko@anl.gov
FU Office of Science, Office of Basic Energy Sciences, of the U.S.
Department of Energy [DE-AC02-06CH11357]; Argonne National Laboratory
FX Work at the Center for Nanoscale Materials is supported by the Office of
Science, Office of Basic Energy Sciences, of the U.S. Department of
Energy under Contract No. DE-AC02-06CH11357. P.P. acknowledges the
support of Willard Frank Libby postdoctoral fellowship from Argonne
National Laboratory.
NR 132
TC 20
Z9 20
U1 7
U2 89
PU SPRINGER
PI DORDRECHT
PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
SN 1388-0764
J9 J NANOPART RES
JI J. Nanopart. Res.
PD JAN
PY 2011
VL 13
IS 1
BP 15
EP 32
DI 10.1007/s11051-010-0174-1
PG 18
WC Chemistry, Multidisciplinary; Nanoscience & Nanotechnology; Materials
Science, Multidisciplinary
SC Chemistry; Science & Technology - Other Topics; Materials Science
GA 712LA
UT WOS:000286667000002
ER
PT J
AU Li, XC
Shu, XL
Liu, YN
Gao, F
Lu, GH
AF Li, Xiao-Chun
Shu, Xiaolin
Liu, Yi-Nan
Gao, F.
Lu, Guang-Hong
TI Modified analytical interatomic potential for a W-H system with defects
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID MOLECULAR-DYNAMICS; TRANSITION-METALS; AB-INITIO; TUNGSTEN; SURFACE;
ENERGY; DEUTERIUM; RETENTION; HYDROGEN; SINGLE
AB We construct modified W-H and W-W analytical bond-order potentials for a W-H system. In combination with Brenner's H-H potential, we demonstrate that such potentials can reproduce energetics and structural properties of W and W-H systems, including defect formation energies, surface energies and diffusion barriers as well as melting point determined from first-principles or experiments. The present potentials can be employed for modelling the behaviour of H in W containing defects such as vacancies and surfaces. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Li, Xiao-Chun; Shu, Xiaolin; Liu, Yi-Nan; Lu, Guang-Hong] Beijing Univ Aeronaut & Astronaut, Dept Phys, Beijing 100191, Peoples R China.
[Gao, F.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Lu, GH (reprint author), Beijing Univ Aeronaut & Astronaut, Dept Phys, Beijing 100191, Peoples R China.
EM lgh@buaa.edu.cn
RI Gao, Fei/H-3045-2012
FU National Magnetic Confinement Fusion [2009GB106003]; National Natural
Science Foundation of China (NSFC) [50871009]; US Department of Energy,
Office of Fusion Energy Science [DE-AC06-76RLO 1830]
FX This work has been supported by National Magnetic Confinement Fusion
Program with Grant No. 2009GB106003 and National Natural Science
Foundation of China (NSFC) Grant No. 50871009. F. Gao is grateful for
the support by the US Department of Energy, Office of Fusion Energy
Science, under Contract DE-AC06-76RLO 1830.
NR 53
TC 55
Z9 56
U1 2
U2 39
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-3115
J9 J NUCL MATER
JI J. Nucl. Mater.
PD JAN 1
PY 2011
VL 408
IS 1
BP 12
EP 17
DI 10.1016/j.jnucmat.2010.10.020
PG 6
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA 710VH
UT WOS:000286544600003
ER
PT J
AU del Rio, E
Sampedro, JM
Dogo, H
Caturla, MJ
Caro, M
Caro, A
Perlado, JM
AF del Rio, Emma
Sampedro, Jesus M.
Dogo, Harun
Caturla, Maria J.
Caro, Magdalena
Caro, Alfredo
Manuel Perlado, J.
TI Formation energy of vacancies in FeCr alloys: Dependence on Cr
concentration
SO JOURNAL OF NUCLEAR MATERIALS
LA English
DT Article
ID AB-INITIO; ALPHA-IRON; IRRADIATION; SIMULATION
AB A modified version of the concentration-dependent model (CDM) potential (A. Caro et al., Phys. Rev. Lett. 95 (2005) 075702) [1] has been developed to study defects in Fe-Cr for different Cr concentrations. A comparison between this new potential and DFT results for a variety of point defect configurations is performed in order to test its reliability for radiation damage studies. The effect of Cr concentration on the vacancy formation energy in Fe-Cr alloys is analyzed in detail. This study shows a linear dependence of the vacancy formation energy on Cr concentration for values above 6% of Cr. However, the formation energy deviates from the linear interpolation in the region below 6% Cr concentration. In order to understand this behavior, the influence of the relative positions between Cr atoms and vacant sites on the vacancy formation energy has been studied. (C) 2010 Elsevier B.V. All rights reserved.
C1 [del Rio, Emma; Sampedro, Jesus M.; Manuel Perlado, J.] Univ Politecn Madrid, Inst Fus Nucl, E-28006 Madrid, Spain.
[Dogo, Harun; Caro, Magdalena; Caro, Alfredo] Los Alamos Natl Lab, Div Mat Sci & Technol, Los Alamos, NM 87545 USA.
[Caturla, Maria J.] Univ Alicante, Fac Ciencias, Dept Fis Aplicada, E-03690 Alicante, Spain.
RP del Rio, E (reprint author), Univ Politecn Madrid, Inst Fus Nucl, C Jose Gutierrez Abascal 2, E-28006 Madrid, Spain.
EM emma.delrio@upm.es; MJ.Caturla@ua.es; caro@lanl.gov
RI Caturla, Maria /D-6241-2012;
OI Caturla, Maria /0000-0002-4809-6553; RIO REDONDO, EMMA
DEL/0000-0002-6854-1087
FU European Commission [212175]; VI Spanish National Project
[ENE2008-06403-C06-06]; European Union [08/061]; European Fusion
Development Agreement (EFDA); US Department of Energy at Los Alamos
National Laboratory [2008LANL1026]
FX We thank Lorenzo Malerba and Par Olsson for valuable discussions. This
work has been partially supported by the European Commission within the
FP7 project GETMAT (Grant agreement number 212175), the VI Spanish
National Project ENE2008-06403-C06-06, the European Union Keep in Touch
Program on Inertial Confinement Fusion (ref. 08/061), and the European
Fusion Development Agreement (EFDA). Alfredo Caro was supported by the
Center for Materials at Irradiation and Mechanical Extremes, an Energy
Frontier Research Center funded by the US Department of Energy (Award
Number 2008LANL1026) at Los Alamos National Laboratory. This work also
contributes to the International Atomic Energy Agency CRP SMoRE program.
NR 24
TC 19
Z9 19
U1 5
U2 20
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0022-3115
J9 J NUCL MATER
JI J. Nucl. Mater.
PD JAN 1
PY 2011
VL 408
IS 1
BP 18
EP 24
DI 10.1016/j.jnucmat.2010.10.021
PG 7
WC Materials Science, Multidisciplinary; Nuclear Science & Technology
SC Materials Science; Nuclear Science & Technology
GA 710VH
UT WOS:000286544600004
ER
PT J
AU Naulleau, P
Anderson, C
George, S
AF Naulleau, Patrick
Anderson, Chris
George, Simi
TI EUV Resists: Illuminating the Challenges
SO JOURNAL OF PHOTOPOLYMER SCIENCE AND TECHNOLOGY
LA English
DT Article
DE photoresist; extreme ultraviolet; shot noise; line-edge roughness
ID LINE-EDGE ROUGHNESS; EXTREME-ULTRAVIOLET LITHOGRAPHY; MASK-ROUGHNESS
AB As extreme ultraviolet (EUV) lithography enters the commercialization phase with potential introduction at the 3x nm half-pitch node in 2013, the attention of advanced EUV resist research has turned to addressing patterning at 16-nm half pitch and below. Whereas line-edge roughness is the primary concern at 2x half pitch and larger, research at the 16-nm half pitch level is uncovering broader.
C1 [Naulleau, Patrick; Anderson, Chris; George, Simi] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Ctr Xray Opt, Berkeley, CA 94720 USA.
RP Naulleau, P (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Ctr Xray Opt, Berkeley, CA 94720 USA.
RI Anderson, Christopher/H-9526-2015
OI Anderson, Christopher/0000-0002-2710-733X
FU SEMATECH through the U.S. Department of Energy [DE-AC02-05CH11231]
FX The authors are greatly indebted to the CXRO MET team including Paul
Denham, Gideon Jones, Lone-mae Baclea-an, and Nate Smith. This work was
funded by SEMATECH and the author thanks Bryan Rice and Stefan Wurm for
continued support of the SEMATECH MET exposure facility at the Advanced
Light Source. The work was performed at Lawrence Berkeley National
Laboratory's Advanced Light Source synchrotron facility and was
supported by SEMATECH through the U.S. Department of Energy under
Contract No. DE-AC02-05CH11231.
NR 19
TC 4
Z9 4
U1 1
U2 1
PU TECHNICAL ASSOC PHOTOPOLYMERS,JAPAN
PI CHIBA
PA CHIBA UNIV, FACULTY ENGINEERING, YAYOICHO, CHIBA, 263-8522, JAPAN
SN 0914-9244
J9 J PHOTOPOLYM SCI TEC
JI J. Photopolym Sci. Technol.
PY 2011
VL 24
IS 6
BP 637
EP 642
PG 6
WC Polymer Science
SC Polymer Science
GA 873QL
UT WOS:000298898000005
ER
PT J
AU Lu, ZG
Hardy, J
Templeton, J
Stevenson, J
AF Lu, Zigui
Hardy, John
Templeton, Jared
Stevenson, Jeffry
TI New insights in the polarization resistance of anode-supported solid
oxide fuel cells with La0.6Sr0.4Co0.2Fe0.8O3 cathodes
SO JOURNAL OF POWER SOURCES
LA English
DT Article
DE LSCF cathode; Electrochemical impedance spectroscopy; Operating voltage;
Tafel; Concentration polarization
ID OXYGEN REDUCTION; ELECTROCHEMICAL PERFORMANCE; COMPOSITE CATHODES;
ELECTRODES; STABILITY; MECHANISM; KINETICS; DESIGN; SOFCS
AB In this study, the polarization resistance of anode-supported solid oxide fuel cells (SOFC) with La0.6Sr0.4Co0.2Fe0.8O3 (LSCF) cathodes was investigated by I-V sweep and electrochemical impedance spectroscopy under a series of operating voltages and cathode environments (i.e. stagnant air, flowing air, and flowing oxygen) at temperatures from 550 degrees C to 750 degrees C. In flowing oxygen, the polarization resistance of the fuel cell decreased considerably with the applied current density. A linear relationship was observed between the ohmic-free over-potential and the logarithm of the current density of the fuel cell at all the measuring temperatures. In stagnant or flowing air, an arc related to the molecular oxygen diffusion through the majority species (molecular nitrogen) present in the pores of the cathode was identified at high temperatures and high current densities. The magnitude of this arc increased linearly with the applied current density due to the decreased oxygen partial pressure at the interface of the cathode and the electrolyte. It is found that the performance of the fuel cell in air is mainly determined by the oxygen diffusion process. Elimination of this process by flowing pure oxygen to the cathode improved the cell performance significantly. At 750 degrees C, for a fuel cell with a laser-deposited Sm0.2Ce0.8O1.9 (SDC) interlayer, an extraordinarily high power density of 2.6W cm(-2) at 0.7 V was achieved in flowing oxygen, as a result of reduced ohmic and polarization resistance of the fuel cell, which were 0.06 Omega cm(2) and 0.03 Omega cm(2), respectively. The results indicate that microstructural optimization of the LSCF cathode or adoption of a new cell design which can mitigate the oxygen diffusion limitation in the cathode might enhance cell performance significantly. Published by Elsevier B.V.
C1 [Lu, Zigui; Hardy, John; Templeton, Jared; Stevenson, Jeffry] Pacific NW Natl Lab, Energy & Environm Directorate, Richland, WA 99352 USA.
RP Lu, ZG (reprint author), Pacific NW Natl Lab, Energy & Environm Directorate, K2-03, Richland, WA 99352 USA.
EM zigui.lu@pnl.gov
RI Hardy, John/E-1938-2016;
OI Hardy, John/0000-0002-1699-3196; Lu, Zigui/0000-0001-9848-7088
FU US Department of Energy's Solid-state Energy Conversion Alliance Core
Technology Program
FX This work was supported by the US Department of Energy's Solid-state
Energy Conversion Alliance Core Technology Program. The authors would
like to thank Daniel Fisher at the University of Houston for preparation
of the dense SDC interlayer by pulsed laser deposition.
NR 30
TC 19
Z9 19
U1 2
U2 26
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 JAN 1
PY 2011
VL 196
IS 1
SI SI
BP 39
EP 45
DI 10.1016/j.jpowsour.2010.07.054
PG 7
WC Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials
Science, Multidisciplinary
SC Chemistry; Electrochemistry; Energy & Fuels; Materials Science
GA 658MC
UT WOS:000282493100004
ER
PT J
AU Ryan, EM
Tartakovsky, AM
Recknagle, KP
Khaleel, MA
Amon, C
AF Ryan, E. M.
Tartakovsky, A. M.
Recknagle, K. P.
Khaleel, M. A.
Amon, C.
TI Pore-scale modeling of the reactive transport of chromium in the cathode
of a solid oxide fuel cell
SO JOURNAL OF POWER SOURCES
LA English
DT Article
DE Solid oxide fuel cell; Computational modeling; Chromium poisoning;
Reactive transport; Competitive adsorption
ID SMOOTHED PARTICLE HYDRODYNAMICS; OXYGEN TRACER DIFFUSION; METALLIC
INTERCONNECT; ALLOY SEPARATOR; POROUS-MEDIA; DUSTY-GAS; SOFC; ANODE;
ADSORPTION; REDUCTION
AB We present a pore-scale model of a solid oxide fuel cell (SOFC) cathode. Volatile chromium species are known to migrate from the current collector of the SOFC into the cathode where over time they decrease the voltage output of the fuel cell. A pore-scale model is used to investigate the reactive transport of chromium species in the cathode and to study the driving forces of chromium poisoning. A multi-scale modeling approach is proposed which uses a cell level model of the cathode, air channel and current collector to determine the boundary conditions for a pore-scale model of a section of the cathode. The pore-scale model uses a discrete representation of the cathode to explicitly model the surface reactions of oxygen and chromium with the cathode material. The pore-scale model is used to study the reaction mechanisms of chromium by considering the effects of reaction rates, diffusion coefficients, chromium vaporization, and oxygen consumption on chromium's deposition in the cathode. The study shows that chromium poisoning is most significantly affected by the chromium reaction rates in the cathode and that the reaction rates are a function of the local current density in the cathode. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Ryan, E. M.; Tartakovsky, A. M.; Recknagle, K. P.; Khaleel, M. A.] Pacific NW Natl Lab, Computat Sci & Math Div, Richland, WA 99352 USA.
[Ryan, E. M.; Amon, C.] Carnegie Mellon Univ, Dept Mech Engn, Pittsburgh, PA 15213 USA.
[Amon, C.] Univ Toronto, Fac Engn & Appl Sci, Toronto, ON M5S 1A4, Canada.
RP Ryan, EM (reprint author), Pacific NW Natl Lab, Computat Sci & Math Div, POB 999, Richland, WA 99352 USA.
EM emily.ryan@pnl.gov; alexandre.tartakovsky@pnl.gov; kp.recknagle@pnl.gov;
moe.khaleel@pnl.gov; dean@ecf.utoronto.ca
RI Ryan, Emily/I-8183-2015;
OI Ryan, Emily/0000-0001-6111-3269; khaleel, mohammad/0000-0001-7048-0749
FU U.S. Department of Energy's National Energy Technology Laboratory;
National Science Foundation; Laboratory Directed Research and
Development (LDRD) at Pacific Northwest National Laboratory; U.S.
Department of Energy [DE-AC06-76RL01830]
FX The work presented in this paper was funded as part of the Solid-State
Energy Conversion Alliance Core Technology Program by the U.S.
Department of Energy's National Energy Technology Laboratory.; The first
author was also supported by a National Science Foundation Graduate
Research Fellowship.; The second author was supported by a Laboratory
Directed Research and Development (LDRD) project at Pacific Northwest
National Laboratory.; The Pacific Northwest National Laboratory is
operated for the U.S. Department of Energy by Battelle under contract
DE-AC06-76RL01830.
NR 57
TC 12
Z9 12
U1 0
U2 14
PU ELSEVIER SCIENCE BV
PI AMSTERDAM
PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN 0378-7753
EI 1873-2755
J9 J POWER SOURCES
JI J. Power Sources
PD JAN 1
PY 2011
VL 196
IS 1
SI SI
BP 287
EP 300
DI 10.1016/j.jpowsour.2010.06.030
PG 14
WC Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials
Science, Multidisciplinary
SC Chemistry; Electrochemistry; Energy & Fuels; Materials Science
GA 658MC
UT WOS:000282493100037
ER
PT J
AU Sethuraman, VA
Kowolik, K
Srinivasan, V
AF Sethuraman, Vijay A.
Kowolik, Kristin
Srinivasan, Venkat
TI Increased cycling efficiency and rate capability of copper-coated
silicon anodes in lithium-ion batteries
SO JOURNAL OF POWER SOURCES
LA English
DT Article
DE Alloy anodes; Copper coating; Cycling efficiency; Lithium-ion batteries;
Rate capability; Silicon anodes
ID THIN-FILMS; INSERTION/EXTRACTION REACTION; CARBON-FIBER; LI; ELECTRODE;
GRAPHITE; SI; SURFACE; POWDER
AB Cycling efficiency and rate capability of porous copper-coated, amorphous silicon thin-film negative electrodes are compared to equivalent silicon thin-film electrodes in lithium-ion batteries. The presence of a copper layer coated on the active material plays a beneficial role in increasing the cycling efficiency and the rate capability of silicon thin-film electrodes. Between 3C and C/8 discharge rates, the available cell energy decreased by 8% and 18% for 40 nm copper-coated silicon and equivalent silicon thin-film electrodes, respectively. Copper-coated silicon thin-film electrodes also show higher cycling efficiency, resulting in lower capacity fade, than equivalent silicon thin-film electrodes. We believe that copper appears to act as a glue that binds the electrode together and prevents the electronic isolation of silicon particles, thereby decreasing capacity loss. Rate capability decreases significantly at higher copper coating thicknesses as the silicon active material is not accessed, suggesting that the thickness and porosity of the copper coating need to be optimized for enhanced capacity retention and rate capability in this system. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Sethuraman, Vijay A.] Brown Univ, Div Engn, Providence, RI 02912 USA.
[Sethuraman, Vijay A.; Kowolik, Kristin; Srinivasan, Venkat] Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Sethuraman, VA (reprint author), Brown Univ, Div Engn, Providence, RI 02912 USA.
EM vj@cal.berkeley.edu; vsrinivasan@lbl.gov
RI Sethuraman, Vijay/E-5702-2010
OI Sethuraman, Vijay/0000-0003-4624-1355
FU Assistant Secretary for Energy Efficiency and Renewable Energy, Office
of Vehicle Technologies; United States Department of Energy
[DE-AC02-05CH11231]; United States National Science Foundation
[DMR0520651]
FX The authors gratefully acknowledge the financial support from the
Assistant Secretary for Energy Efficiency and Renewable Energy, Office
of Vehicle Technologies, the United States Department of Energy, under
contract no. DE-AC02-05CH11231 and the National Center for Electron
Microscopy at LBNL, which is supported by the United States Department
of Energy, under contract no. DE-AC02-05CH11231. The authors acknowledge
the Micro-fabrication Laboratory at the Department of Electrical
Engineering, University of California, Berkeley, for the fabrication of
thin-film electrodes. The authors thank Xiangyun Song (LBNL) for
assistance with electron microscopy measurements. VAS gratefully
acknowledges the support by the Materials Research, Science and
Engineering Center (MRSEC) sponsored by the United States National
Science Foundation, under contract no. DMR0520651. Helpful discussions
with Professor Pradeep R. Guduru (Brown University) are gratefully
acknowledged.
NR 24
TC 93
Z9 94
U1 6
U2 135
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 JAN 1
PY 2011
VL 196
IS 1
SI SI
BP 393
EP 398
DI 10.1016/j.jpowsour.2010.06.043
PG 6
WC Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials
Science, Multidisciplinary
SC Chemistry; Electrochemistry; Energy & Fuels; Materials Science
GA 658MC
UT WOS:000282493100050
ER
PT J
AU Renganathan, S
White, RE
AF Renganathan, Sindhuja
White, Ralph E.
TI Semianalytical method of solution for solid phase diffusion in lithium
ion battery electrodes: Variable diffusion coefficient
SO JOURNAL OF POWER SOURCES
LA English
DT Article
DE Integral transform technique; Semianalytical method; Lithium ion battery
electrode; Nonlinear diffusion; Spherical coordinate
ID STRESS GENERATION; MOVING-BOUNDARY; INTERCALATION; DISCHARGE; CHARGE;
MODEL; IMPEDANCE; TRANSPORT; FRACTURE; MEDIA
AB A semianalytical methodology based on the integral transform technique is proposed to solve the diffusion equation with concentration dependent diffusion coefficient in a spherical intercalation electrode particle. The method makes use of an integral transform pair to transform the nonlinear partial differential equation into a set of ordinary differential equations, which is solved with less computational efforts. A general solution procedure is presented and two illustrative examples are used to demonstrate the usefulness of this method for modeling of diffusion process in lithium ion battery electrode. The solutions obtained using the method presented in this study are compared to the numerical solutions. (C) 2010 Elsevier B.V. All rights reserved.
C1 [Renganathan, Sindhuja; White, Ralph E.] Univ S Carolina, Dept Chem Engn, Columbia, SC 29208 USA.
RP Renganathan, S (reprint author), Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94706 USA.
EM SRenganathan@lbl.gov; white@cec.sc.edu
FU National Reconnaissance Office (NRO) [NRO-000-03-C-0122]
FX The authors are grateful for the financial support of this project
provided by the National Reconnaissance Office (NRO) under contract #
NRO-000-03-C-0122.
NR 23
TC 12
Z9 13
U1 2
U2 22
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 JAN 1
PY 2011
VL 196
IS 1
SI SI
BP 442
EP 448
DI 10.1016/j.jpowsour.2010.06.081
PG 7
WC Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials
Science, Multidisciplinary
SC Chemistry; Electrochemistry; Energy & Fuels; Materials Science
GA 658MC
UT WOS:000282493100056
ER
PT J
AU Shui, WQ
Petzold, CJ
Redding, A
Liu, J
Pitcher, A
Sheu, L
Hsieh, TY
Keasling, JD
Bertozzi, CR
AF Shui, Wenqing
Petzold, Christopher J.
Redding, Alyssa
Liu, Jun
Pitcher, Austin
Sheu, Leslie
Hsieh, Tsung-yen
Keasling, Jay D.
Bertozzi, Carolyn R.
TI Organelle Membrane Proteomics Reveals Differential Influence of
Mycobacterial Lipoglycans on Macrophage Phagosome Maturation and
Autophagosome Accumulation
SO JOURNAL OF PROTEOME RESEARCH
LA English
DT Article
DE Phagosome; autophagosome; membrane proteome; mycobacterial lipoglycans;
mannosecapped LAM
ID TUBERCULOSIS PHAGOSOME; PHOSPHATIDYLINOSITOL 3-KINASE;
SACCHAROMYCES-CEREVISIAE; INFECTED MACROPHAGES; EARLY ENDOSOMES;
DISTINCT ROLES; ISOBARIC TAGS; LIPOARABINOMANNAN; TRAFFICKING;
BIOGENESIS
AB The mycobacterial cell wall component lipoarabinomannan (LAM) has been described as one of the key virulence factors of Mycobacterium tuberculosis. Modification of the terminal arabinan residues of this lipoglycan with mannose caps in M. tuberculosis or with phosphoinositol caps in Mycobacterium smegmatis results in distinct host immune responses. Given that M. tuberculosis typically persists in the phagosomal vacuole after being phagocytosed by macrophages, we performed a proteomic analysis of that organelle after treatment of macrophages with LAMs purified from the two mycobacterial species. The quantitative changes in phagosomal proteins suggested a distinct role for mannose-capped LAM in modulating protein trafficking pathways that contribute to the arrest of phagosome maturation. Enlightened by our proteomic data, we performed further experiments to show that only the LAM from M. tuberculosis inhibits accumulation of autophagic vacuoles in the macrophage, suggesting a new function for this virulence-associated lipid.
C1 [Shui, Wenqing] Nankai Univ, Coll Life Sci, Tianjin 300071, Peoples R China.
[Pitcher, Austin; Bertozzi, Carolyn R.] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA.
[Sheu, Leslie; Hsieh, Tsung-yen; Bertozzi, Carolyn R.] Univ Calif Berkeley, Dept Mol & Cell Biol, Berkeley, CA 94720 USA.
[Liu, Jun] Bayer HealthCare LLC, Biol Prod Div, Berkeley, CA 94701 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.
[Petzold, Christopher J.; Redding, Alyssa; Keasling, Jay D.] Univ Calif Berkeley, Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA.
[Bertozzi, Carolyn R.] Univ Calif Berkeley, Lawrence Berkeley Lab, Mol Foundry, Berkeley, CA 94720 USA.
[Petzold, Christopher J.; Redding, Alyssa; Keasling, Jay D.] Joint BioEnergy Inst, Emeryville, CA 94720 USA.
RP Shui, WQ (reprint author), Nankai Univ, Coll Life Sci, Tianjin 300071, Peoples R China.
EM angelshui@nankai.edu.cn; keasling@berkeley.edu; crb@berkeley.edu
RI Keasling, Jay/J-9162-2012
OI Keasling, Jay/0000-0003-4170-6088
FU National Institutes of Health [AI51622]; U.S. Department of Energy
[DE-AC02-05CH11231]
FX We thank Dr. Patrick Fitzgerald (St. Jude's Children's Research
Hospital, Memphis, TN) for the gift of LC3-GFP-expressing RAW cells and
Dr. Hu Cang for assistance with proteomic data analysis. This work was
supported by a grant from the National Institutes of Health (AI51622)
and a grant from the GTL program of the U.S. Department of Energy
(DE-AC02-05CH11231).
NR 59
TC 20
Z9 23
U1 0
U2 11
PU AMER CHEMICAL SOC
PI WASHINGTON
PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA
SN 1535-3893
J9 J PROTEOME RES
JI J. Proteome Res.
PD JAN
PY 2011
VL 10
IS 1
BP 339
EP 348
DI 10.1021/pr100688h
PG 10
WC Biochemical Research Methods
SC Biochemistry & Molecular Biology
GA 701IQ
UT WOS:000285812000039
PM 21105745
ER
PT J
AU McClarren, RG
Wohlbier, JG
AF McClarren, Ryan G.
Woehlbier, John G.
TI Solutions for ion-electron-radiation coupling with radiation and
electron diffusion
SO JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
LA English
DT Article
DE Radiative transfer; Electron-ion coupling; Three temperature equations;
Verification solutions
ID BENCHMARK; SCATTERING
AB We present semi-analytic solutions to the equations for radiation-electron-ion coupling, the so-called 3-T equations. Our solutions use a linearization based on Pomraning's form for the heat capacity given by C-v alpha T-e(3) with additional stipulations for the electron heat conduction and ion-electron coupling coefficients. To solve the linearized equations we use integral transform techniques and compute a Fourier integral numerically. We give solutions for a 3-T version and a 2-T with heat conduction version of the Su-Olson problem as well as solutions for spherical and spherical shell sources. We use the xRage radiation hydrodynamics code to demonstrate that our solutions are useful for code verification in multiple dimensions and axisymmetric geometries. (C) 2010 Elsevier Ltd. All rights reserved.
C1 [McClarren, Ryan G.] Texas A&M Univ, Dept Nucl Engn, College Stn, TX 77843 USA.
[Woehlbier, John G.] Los Alamos Natl Lab, Computat Phys Grp CCS 2, Los Alamos, NM 87545 USA.
RP McClarren, RG (reprint author), Texas A&M Univ, Dept Nucl Engn, College Stn, TX 77843 USA.
EM rgm@tamu.edu
FU DOE NNSA [DEFC52-08NA28616]; U.S. Department of Energy
[DE-AC52-06NA25396, LA-UR 10-01969]
FX The contributions of R.G. McClarren were supported by the DOE NNSA under
the Predictive Science Academic Alliance Program by Grant
DEFC52-08NA28616. Los Alamos National Laboratory is operated by Los
Alamos National Security, LLC. (LANS) for the U.S. Department of Energy
under Contract Number DE-AC52-06NA25396, LA-UR 10-01969.
NR 20
TC 3
Z9 3
U1 0
U2 4
PU PERGAMON-ELSEVIER SCIENCE LTD
PI OXFORD
PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
SN 0022-4073
J9 J QUANT SPECTROSC RA
JI J. Quant. Spectrosc. Radiat. Transf.
PD JAN
PY 2011
VL 112
IS 1
BP 119
EP 130
DI 10.1016/j.jqsrt.2010.08.015
PG 12
WC Optics; Spectroscopy
SC Optics; Spectroscopy
GA 690AK
UT WOS:000284972100012
ER
PT J
AU Duan, YH
AF Duan, Yuhua
TI Electronic structural and electrochemical properties of lithium
zirconates and their capabilities of CO2 capture: A first-principles
density-functional theory and phonon dynamics approach
SO JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY
LA English
DT Article
ID CARBON-DIOXIDE SORPTION; X-RAY-DIFFRACTION; AB-INITIO; SOLID-SOLUTIONS;
RELATIVE STABILITY; SILICATE PELLETS; TEMPERATURE; LI2ZRO3; ABSORPTION;
KINETICS
AB Lithium zirconates have attracted researchers' interests because they can also be used as solid sorbents for CO2 capture. The structural, electronic, and phonon properties of Li2ZrO3, Li6Zr2O7, and monoclinic phase ZrO2 are investigated by the density-functional theory and phonon dynamics. Their electrochemical properties and their thermodynamics of CO2 absorption/desorption are analyzed. The calculated results show that their optimized structures and calculated bulk moduli as well as cohesive energies are in good agreement with experimental measurements. The calculated band gaps are 3.90 eV (indirect), 3.98 eV (direct), and 3.76 eV (direct) for Li2ZrO3, Li6Zr2O7, and ZrO2, respectively. The calculated Li intercalation voltage and energy densities of Li2ZrO3 are higher than that of Li6Zr2O7, which indicates that as a cathode material Li2ZrO3 is better than Li6Zr2O7. The calculated phonon dispersions and density of states show that there is one soft mode in Li2ZrO3 and two soft modes in Li6Zr2O7. From the calculated thermodynamic properties of these two lithium zirconates reacting with CO2, we found that the performance of Li2ZrO3 as a CO2 sorbent is better than that of Li6Zr2O7. In the first half cycle, sorbents absorbing CO2 to form lithium carbonate, Li6Zr2O7 performs better than Li2ZrO3 because the former releases more heat of reaction and has a lower Gibbs free energy and a higher CO2 capture capacity. However, during the second half cycle, regenerating sorbent from carbonate and zirconia to release CO2, the main product is the thermodynamically favorable Li2ZrO3 rather than forming Li6Zr2O7. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3529427]
C1 [Duan, Yuhua] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
[Duan, Yuhua] URS Corp, South Pk, PA 15129 USA.
RP Duan, YH (reprint author), US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA.
EM yuhua.duan@netl.doe.gov
RI Duan, Yuhua/D-6072-2011
OI Duan, Yuhua/0000-0001-7447-0142
FU National Energy Technology Laboratory's Office of Research and
Development [DE-FE-0004000]
FX This work was performed in support of the National Energy Technology
Laboratory's Office of Research and Development under Contract No.
DE-FE-0004000 with activity number 4000.2.660.241.001. The author thanks
Dr. H. P. Loh and R. Anderson for reading the manuscript, Dr. D. C.
Sorescu, Dr. H. W. Pennline, and Dr. S. Chen for their fruitful
discussions, and Professor K. Palinski for communication discussions on
phonon calculations, especially dealing with soft modes.
NR 74
TC 23
Z9 24
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 1941-7012
J9 J RENEW SUSTAIN ENER
JI J. Renew. Sustain. Energy
PD JAN 1
PY 2011
VL 3
IS 1
AR 013102
DI 10.1063/1.3529427
PG 17
WC GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY; Energy & Fuels
SC Science & Technology - Other Topics; Energy & Fuels
GA 727OY
UT WOS:000287812000003
ER
PT J
AU Goldsbury, C
Baxa, U
Simon, MN
Steven, AC
Engel, A
Wall, JS
Aebi, U
Muller, SA
AF Goldsbury, Claire
Baxa, Ulrich
Simon, Martha N.
Steven, Alasdair C.
Engel, Andreas
Wall, Joseph S.
Aebi, Ueli
Mueller, Shirley A.
TI Amyloid structure and assembly: Insights from scanning transmission
electron microscopy
SO JOURNAL OF STRUCTURAL BIOLOGY
LA English
DT Review
DE Amyloid; Mass measurement; Fibril; Filament; Oligomer; Protein
aggregation; Electron microscopy; Scanning transmission electron
microscopy; STEM; Alzheimer Disease; Type 2 Diabetes Mellitus; Prion;
Scrapie; Yeast; Fungi
ID PAIRED HELICAL FILAMENTS; BETA-SHEET STRUCTURE;
NUCLEAR-MAGNETIC-RESONANCE; ATOMIC-FORCE MICROSCOPY; URE2P PRION
FILAMENTS; NEURONAL CELL-DEATH; SOLID-STATE NMR; HET-S PRION; IN-VITRO;
A-BETA
AB Amyloid fibrils are filamentous protein aggregates implicated in several common diseases such as Alzheimer's disease and type II diabetes. Similar structures are also the molecular principle of the infectious spongiform encephalopathies such as Creutzfeldt-Jakob disease in humans, scrapie in sheep, and of the so-called yeast prions, inherited non-chromosomal elements found in yeast and fungi. Scanning transmission electron microscopy (STEM) is often used to delineate the assembly mechanism and structural properties of amyloid aggregates. In this review we consider specifically contributions and limitations of STEM for the investigation of amyloid assembly pathways, fibril polymorphisms and structural models of amyloid fibrils. This type of microscopy provides the only method to directly measure the mass-per-length (MPL) of individual filaments. Made on both in vitro assembled and ex vivo samples, STEM mass measurements have illuminated the hierarchical relationships between amyloid fibrils and revealed that polymorphic fibrils and various globular oligomers can assemble simultaneously from a single polypeptide. The MPLs also impose strong constraints on possible packing schemes, assisting in molecular model building when combined with high-resolution methods like solid-state nuclear magnetic resonance (NMR) and electron paramagnetic resonance (EPR). (C) 2010 Elsevier Inc. All rights reserved.
C1 [Simon, Martha N.; Wall, Joseph S.] Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA.
[Goldsbury, Claire] Univ Sydney, Brain & Mind Res Inst, Sydney, NSW 2006, Australia.
[Baxa, Ulrich; Steven, Alasdair C.] NIAMSD, Struct Biol Lab, NIH, Bethesda, MD 20892 USA.
[Engel, Andreas; Mueller, Shirley A.] Univ Basel, Ctr Cellular Imaging & Nanoanalyt, Biozentrum, CH-4058 Basel, Switzerland.
[Engel, Andreas; Aebi, Ueli; Mueller, Shirley A.] Univ Basel, ME Muller Inst Struct Biol, Biozentrum, CH-4056 Basel, Switzerland.
RP Wall, JS (reprint author), Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA.
EM wall@bnl.gov; shirley.mueller@unibas.ch
FU Swiss National Foundation [3100A0-108299]; Maurice E Muller Foundation
of Switzerland; NIAMS, National Institutes of Health; USDOE-OHER
(Department of Energy, Office of Health and Environmental Research)
FX We thank all current and past operators of the Basel STEM for their
contributions to the cited work and Robert Haring, Robert Wyss and
Roland Burki for maintenance of the instrument and its computer system.
We thank Robert Tycko, Beat Meier and David Eisenberg for data and
images adapted in Figs. 2 and 4. The Basel STEM has been continuously
supported by Swiss National Foundation grants (present Grant:
3100A0-108299 to A.E.) and by the Maurice E Muller Foundation of
Switzerland. This work was supported in part by the Intramural Research
Program of NIAMS, National Institutes of Health. The BNL STEM is
supported by USDOE-OHER (Department of Energy, Office of Health and
Environmental Research).
NR 98
TC 44
Z9 45
U1 4
U2 39
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 1047-8477
J9 J STRUCT BIOL
JI J. Struct. Biol.
PD JAN
PY 2011
VL 173
IS 1
BP 1
EP 13
DI 10.1016/j.jsb.2010.09.018
PG 13
WC Biochemistry & Molecular Biology; Biophysics; Cell Biology
SC Biochemistry & Molecular Biology; Biophysics; Cell Biology
GA 705JB
UT WOS:000286123600001
PM 20868754
ER
PT J
AU Hanssen, E
Knoechel, C
Klonis, N
Abu-Bakar, N
Deed, S
LeGros, M
Larabell, C
Tilley, L
AF Hanssen, Eric
Knoechel, Christian
Klonis, Nectarios
Abu-Bakar, Nurhidanatasha
Deed, Samantha
LeGros, Mark
Larabell, Carolyn
Tilley, Leann
TI Cryo transmission X-ray imaging of the malaria parasite, P. falciparum
SO JOURNAL OF STRUCTURAL BIOLOGY
LA English
DT Article
DE Plasmodium; Digestive vacuole; Hemoglobin uptake; Cryo X-ray tomography;
Soft X-ray microscopy
ID RED-BLOOD-CELLS; PLASMODIUM-FALCIPARUM; INFECTED ERYTHROCYTES;
ENDOPEROXIDE ANTIMALARIALS; ELECTRON TOMOGRAPHY; SPATIAL-RESOLUTION;
ARTEMISININ; HEME; TRAFFICKING; ULTRASTRUCTURE
AB Cryo transmission X-ray microscopy in the "water window" of photon energies has recently been introduced as a method that exploits the natural contrast of biological samples. We have used cryo tomographic X-ray imaging of the intra-erythrocytic malaria parasite, Plasmodium falciparum, to undertake a survey of the cellular features of this important human pathogen. We examined whole hydrated cells at different stages of growth and defined some of the structures with different X-ray density, including the parasite nucleus, cytoplasm, digestive vacuole and the hemoglobin degradation product, hemozoin. As the parasite develops from an early cup-shaped morphology to a more rounded shape, puncta of hemozoin are formed; these coalesce in the mature trophozoite into a central compartment. In some trophozoite stage parasites we observed invaginations of the parasite surface and, using a selective permeabilization process, showed that these remain connected to the RBC cytoplasm. Some of these invaginations have large openings consistent with phagocytic structures and we observed independent endocytic vesicles in the parasite cytoplasm which appear to play a role in hemoglobin uptake. In schizont stage parasites staggered mitosis was observed and X-ray-dense lipid-rich structures were evident at their apical ends of the developing daughter cells. Treatment of parasites with the antimalarial drug artemisinin appears to affect parasite development and their ability to produce the hemoglobin breakdown product, hemozoin. (C) 2010 Elsevier Inc. All rights reserved.
C1 [Hanssen, Eric; Klonis, Nectarios; Abu-Bakar, Nurhidanatasha; Deed, Samantha; Tilley, Leann] La Trobe Univ, Dept Biochem, Melbourne, Vic 3086, Australia.
[Hanssen, Eric; Klonis, Nectarios; Abu-Bakar, Nurhidanatasha; Deed, Samantha; Tilley, Leann] La Trobe Univ, Ctr Excellence Coherent Xray Sci, Melbourne, Vic 3086, Australia.
[Hanssen, Eric] Univ Melbourne, Electron Microscopy Unit, Mol Sci & Biotechnol Inst Bio21, Melbourne, Vic 3010, Australia.
[Larabell, Carolyn] Univ Calif San Francisco, Dept Anat, San Francisco, CA 94143 USA.
[Knoechel, Christian; LeGros, Mark; Larabell, Carolyn] Univ Calif Berkeley, Lawrence Berkeley Lab, Natl Ctr Xray Tomog, Berkeley, CA 94720 USA.
RP Hanssen, E (reprint author), La Trobe Univ, Dept Biochem, Melbourne, Vic 3086, Australia.
EM ehanssen@unimelb.edu.au; L.Tilley@latrobe.edu.au
RI Hanssen, Eric/A-7217-2013
OI Hanssen, Eric/0000-0002-4064-1844
FU Australian Research Council; Australian National Health and Medical
Research Council; US Department of Energy, Office of Biological and
Environmental Research [DE-AC02-05CH11231]; National Center for Research
Resources of the National Institutes of Health [P41RR019664]; National
Institutes of General Medicine of the National Institutes of Health
[GM63948]
FX The authors acknowledge support from the Australian Research Council and
the Australian National Health and Medical Research Council, the US
Department of Energy, Office of Biological and Environmental Research
(DE-AC02-05CH11231), the National Center for Research Resources of the
National Institutes of Health (P41RR019664) and the National Institutes
of General Medicine of the National Institutes of Health (GM63948). Use
of the Advanced Light Source was supported by the US Department of
Energy, Office of Science. We thank Sam Deed, Wei-Wei Gu, Dilworth
Parkinson and Emily Wilson for technical support. We thank Professor
Peter Beck, Swiss Tropical Institute for supplying transfected
parasites, Assoc. Prof. Mike Ryan, La Trobe University, for anti-GFP
antibodies.
NR 59
TC 36
Z9 37
U1 0
U2 9
PU ACADEMIC PRESS INC ELSEVIER SCIENCE
PI SAN DIEGO
PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
SN 1047-8477
J9 J STRUCT BIOL
JI J. Struct. Biol.
PD JAN
PY 2011
VL 173
IS 1
BP 161
EP 168
DI 10.1016/j.jsb.2010.08.013
PG 8
WC Biochemistry & Molecular Biology; Biophysics; Cell Biology
SC Biochemistry & Molecular Biology; Biophysics; Cell Biology
GA 705JB
UT WOS:000286123600018
PM 20826218
ER
PT J
AU Kurter, C
Ozyuzer, L
Zasadzinski, JF
Hinks, DG
Gray, KE
AF Kurter, C.
Ozyuzer, L.
Zasadzinski, J. F.
Hinks, D. G.
Gray, K. E.
TI The ICRN Value in Intrinsic Josephson Tunnel Junctions in
Bi2Sr2CaCu2O8+delta (Bi2212) Mesas
SO JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
LA English
DT Article
DE Josephson tunneling; ICRN product; Bi2212 mesas
ID OVERDOPED BI2SR2CACU2O8+DELTA; SUPERCONDUCTORS
AB The c-axis current-voltage I(V) characteristics have been obtained on a set of mesas of varying height sculpted on Bi2Sr2CaCu2O8+delta (Bi2212) crystals intercalated with HgB2. The intercalation, along with the small number of junctions in the mesa, N=6-30, minimizes the degree of self-heating, leading to a consistent Josephson critical current, I (C) , among junctions in the mesa. The Bi2212 crystals with a bulk T (C) =74 K are overdoped and display negligible pseudogap effects allowing an accurate measure of the normal state resistance, R (N) . These properties make the mesas nearly ideal for the determination of the Josephson I (C) R (N) product. We find I (C) R (N) values consistently similar to 30% of the quasiparticle gap parameter, Delta/e, which was measured independently using a mechanical contact, break junction technique. The latter was necessitated by higher bias heating effects in the mesas which prevented direct measurements of the superconducting gap. These values are among the highest reported and may represent the maximum intrinsic value for I (C) R (N) . The results indicate that the c-axis transport is a mixture of coherent and incoherent tunneling.
C1 [Kurter, C.; Ozyuzer, L.; Zasadzinski, J. F.; Hinks, D. G.; Gray, K. E.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Zasadzinski, J. F.] Illinois Inst Tech, BCPS Dept, Div Phys, Chicago, IL 60616 USA.
[Ozyuzer, L.] Izmir Inst Tech, Dept Phys, TR-35430 Izmir, Turkey.
[Kurter, C.] Univ Maryland, Dept Phys, College Pk, MD 20742 USA.
RP Zasadzinski, JF (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM zasadzinski@iit.edu
RI Ozyuzer, Lutfi/H-3142-2011
FU UChicago Argonne, LLC; Argonne National Laboratory, a US Department of
Energy Office of Science laboratory [DE-AC02-06CH11357]; TUBITAK
(Scientific and Technical Research Council of Turkey) [106T053]; Turkish
Academy of Sciences [LO/TUBA-GEBIP/2002-1-17]
FX Work supported by UChicago Argonne, LLC, operator of Argonne National
Laboratory, a US Department of Energy Office of Science laboratory,
operated under contract No. DE-AC02-06CH11357 and TUBITAK (Scientific
and Technical Research Council of Turkey) project number 106T053. L.O.
acknowledges support from the Turkish Academy of Sciences, in the
framework of the Young Scientist Award Program
(LO/TUBA-GEBIP/2002-1-17).
NR 12
TC 1
Z9 1
U1 1
U2 8
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1557-1939
J9 J SUPERCOND NOV MAGN
JI J. Supercond. Nov. Magn
PD JAN
PY 2011
VL 24
IS 1-2
BP 101
EP 104
DI 10.1007/s10948-010-1049-5
PG 4
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 754LI
UT WOS:000289855700015
ER
PT J
AU Karapetrov, G
Belkin, A
Iavarone, M
Fedor, J
Novosad, V
Milosevic, MV
Peeters, FM
AF Karapetrov, G.
Belkin, A.
Iavarone, M.
Fedor, J.
Novosad, V.
Milosevic, M. V.
Peeters, F. M.
TI Anisotropic Superconductivity and Vortex Dynamics in Magnetically
Coupled F/S and F/S/F Hybrids
SO JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
LA English
DT Article
DE Superconductor ferromagnet hybrids; Vortex dynamics; Scanning tunneling
microscopy; Vortex chains; Superconducting anisotropy
ID FERROMAGNET; MULTILAYERS
AB Magnetically coupled superconductor-ferromagnet hybrids offer advanced routes for nanoscale control of superconductivity. Magnetotransport characteristics and scanning tunneling microscopy images of vortex structures in superconductor-ferromagnet hybrids reveal rich superconducting phase diagrams. Focusing on a particular combination of a ferromagnet with a well-ordered periodic magnetic domain structure with alternating out-of-plane component of magnetization, and a small coherence length superconductor, we find directed nucleation of superconductivity above the domain wall boundaries. We show that near the superconductor-normal state phase boundary the superconductivity is localized in narrow mesoscopic channels.
In order to explore the Abrikosov flux line ordering in F/S hybrids, we use a combination of scanning tunneling microscopy and Ginzburg-Landau simulations. The magnetic stripe domain structure induces periodic local magnetic induction in the superconductor, creating a series of pinning-anti-pinning channels for externally added magnetic flux quanta. Such laterally confined Abrikosov vortices form quasi-1D arrays (chains). The transitions between multichain states occur through propagation of kinks at the intermediate fields. At high fields we show that the system becomes nonlinear due to a change in both the number of vortices and the confining potential.
In F/S/F hybrids we demonstrate the evolution of the anisotropic conductivity in the superconductor that is magnetically coupled with two adjacent ferromagnetic layers. Stripe magnetic domain structures in both F-layers are aligned under each other, resulting in a directional superconducting order parameter in the superconducting layer. The conductance anisotropy strongly depends on the period of the magnetic domains and the strength of the local magnetization. The anisotropic conductivity of up to three orders of magnitude can be achieved with a spatial critical temperature modulation of 5% of T (c).
Induced anisotropic properties in the F/S and F/S/F hybrids have a potential for future application in switching and nonvolatile memory elements operating at low temperatures.
C1 [Karapetrov, G.; Belkin, A.; Iavarone, M.; Fedor, J.; Novosad, V.] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.
[Belkin, A.] IIT, Div Phys, Chicago, IL 60610 USA.
[Iavarone, M.] Temple Univ, Dept Phys, Philadelphia, PA 19122 USA.
[Karapetrov, G.; Fedor, J.] Slovak Acad Sci, Inst Elect Engn, Bratislava 84104, Slovakia.
[Milosevic, M. V.; Peeters, F. M.] Univ Antwerp, Dept Fys, B-2020 Antwerp, Belgium.
RP Karapetrov, G (reprint author), Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA.
EM goran@anl.gov
RI Milosevic, Milorad/H-9393-2012; Novosad, Valentyn/C-2018-2014; CMT,
UAntwerpen Group/A-5523-2016; Karapetrov, Goran/C-2840-2008; Novosad, V
/J-4843-2015
OI Karapetrov, Goran/0000-0003-1113-0137;
FU UChicago Argonne, LLC; Operator of Argonne National Laboratory; U.S.
Department of Energy Office of Science laboratory [DE-AC02-06CH11357];
Ministry of Education, Agency [262 401 200 19]; Flemish Science
Foundation (FWO-VI); Belgian Science Policy; JSPS/ESF-NES; ESF-AQDJJ
network; Vlaanderen-USA
FX This work as well as the use of the Center for Nanoscale Materials and
the Electron Microscopy Center at Argonne National Laboratory were
supported 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.
This work was also supported by the Ministry of Education, Agency for
Structural Funds of the European Union, Research and Development
Program, under agreement 262 401 200 19. M.V.M. and F. M. P. acknowledge
support from the Flemish Science Foundation (FWO-VI), the Belgian
Science Policy, the JSPS/ESF-NES program, the ESF-AQDJJ network, and the
Vlaanderen-USA bilateral program.
NR 31
TC 1
Z9 1
U1 0
U2 11
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1557-1939
J9 J SUPERCOND NOV MAGN
JI J. Supercond. Nov. Magn
PD JAN
PY 2011
VL 24
IS 1-2
BP 905
EP 910
DI 10.1007/s10948-010-0880-z
PG 6
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 754LI
UT WOS:000289855700150
ER
PT J
AU Bhattacharya, RN
Qiao, YF
Selvamanickam, V
AF Bhattacharya, Raghu N.
Qiao, Yunfei
Selvamanickam, Venkat
TI Electrodeposited Cu-Stabilization Layer for High-Temperature
Superconducting Coated Conductors
SO JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
LA English
DT Article
DE Electrodeposition; Stabilization layer; Cu; Superconductor; Nonaqueous
ID HIGH-TC SUPERCONDUCTIVITY; O SYSTEM; THIN-FILMS; YBCO TAPE; BISRCACU2OX;
TRANSITION; PHASE
AB We have developed a nonaqueous-based process for electrodepositing a Cu-stabilization layer on a YBCO superconductor tape. Conventional approaches to electroplating Cu layers use a cyanide-based solution to prevent uncontrolled hydrogen evolution from the aqueous-based solution; these are very reactive with the superconductor layer, and thus destroy its critical-current capability when plated directly onto high-temperature superconductor (HTS) tape. It has been found that a capping layer at least 1 micron thick is needed between the superconductor and stabilizer layers to avoid such a reaction and the subsequent reduction in the critical-current capability of the superconductor layer. In contrast, the nonaqueous electroplating solution is nonreactive to the HTS layer, allowing the Ag capping layer to be thinner. We demonstrated that direct Cu plating on YBCO tapes using a nonaqueous solvent does not destroy the superconducting YBCO layer. The superconducting current capabilities of these tapes were measured by noncontact magnetic measurements. Contact current-voltage (I-V) measurements required a 0.1-micron-thick Ag capping layer on YBCO tapes, which is sufficient for subsequent Cu plating from the non-aqueous solvent.
C1 [Bhattacharya, Raghu N.] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Qiao, Yunfei] SuperPower Inc, Schenectady, NY 12304 USA.
[Selvamanickam, Venkat] Univ Houston, Houston, TX 77204 USA.
RP Bhattacharya, RN (reprint author), Natl Renewable Energy Lab, 1617 Cole Blvd, Golden, CO 80401 USA.
EM Raghu.Bhattacharya@nrel.gov
FU US Department of Energy [DE-AC36-08GO28308]
FX The author thanks Bobby To for scanning electron micrographs. This work
has been authored by an employee of the Alliance of Sustainable Energy,
LLC, under contract number DE-AC36-08GO28308 with the US Department of
Energy. The United States Government retains and the publisher, by
accepting the article for publication, acknowledges that the United
States Government retains a nonexclusive, paid-up, irrevocable,
worldwide license to publish or reproduce the published form of this
work, or allow others to do so, for United States Government purposes.
NR 26
TC 0
Z9 0
U1 1
U2 11
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1557-1939
J9 J SUPERCOND NOV MAGN
JI J. Supercond. Nov. Magn
PD JAN
PY 2011
VL 24
IS 1-2
BP 1021
EP 1026
DI 10.1007/s10948-010-0883-9
PG 6
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 754LI
UT WOS:000289855700169
ER
PT J
AU Bussmann-Holder, A
Simon, A
Keller, H
Bishop, AR
AF Bussmann-Holder, A.
Simon, A.
Keller, H.
Bishop, A. R.
TI Identifying the Pairing Mechanism in Fe-As Based Superconductors: Gaps
and Isotope Effects
SO JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
LA English
DT Article
DE Superconductivity; Fe based systems; Izotope effects
ID CUPRATE SUPERCONDUCTORS; 2-BAND MODEL; TEMPERATURE; BA0.6K0.4FE2AS2;
SPECTROSCOPY; WAVE
AB The temperature dependencies of the coupled superconducting gaps, observed in Fe-As based superconducting compounds is calculated and a universal temperature scaling observed which is only present if the coupled order parameters both have s-wave symmetry. Predictions for possible isotope effects on the superconducting transition temperature T (c) are made if phonons are involved in the pairing or polaronic effects are of importance. Comparison to experimental data is given where these are available.
C1 [Bussmann-Holder, A.; Simon, A.] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany.
[Keller, H.] Univ Zurich, Inst Phys, CH-8057 Zurich, Switzerland.
[Bishop, A. R.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Bussmann-Holder, A (reprint author), Max Planck Inst Festkorperforsch, Heisenbergstr 1, D-70569 Stuttgart, Germany.
EM a.bussmann-holder@fkf.mpg.de
NR 55
TC 4
Z9 4
U1 0
U2 5
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1557-1939
J9 J SUPERCOND NOV MAGN
JI J. Supercond. Nov. Magn
PD JAN
PY 2011
VL 24
IS 1-2
BP 1099
EP 1103
DI 10.1007/s10948-010-0864-z
PG 5
WC Physics, Applied; Physics, Condensed Matter
SC Physics
GA 754LI
UT WOS:000289855700182
ER
PT J
AU Stoner-Ma, D
Skinner, JM
Schneider, DK
Cowan, M
Sweet, RM
Orville, AM
AF Stoner-Ma, Deborah
Skinner, John M.
Schneider, Dieter K.
Cowan, Matt
Sweet, Robert M.
Orville, Allen M.
TI Single-crystal Raman spectroscopy and X-ray crystallography at beamline
X26-C of the NSLS
SO JOURNAL OF SYNCHROTRON RADIATION
LA English
DT Article; Proceedings Paper
CT 3rd International Symposium on Diffraction Structural Biology
(ISDSB2010)
CY MAY 25-28, 2010
CL Paris, FRANCE
DE Raman; single-crystal spectroscopy; X-ray diffraction
ID BIOLOGICAL CRYSTALS; MICROSPECTROPHOTOMETRY; OXIDASE
AB Three-dimensional structures derived from X-ray diffraction of protein crystals provide a wealth of information. Features and interactions important for the function of macromolecules can be deduced and catalytic mechanisms postulated. Still, many questions can remain, for example regarding metal oxidation states and the interpretation of 'mystery density', i.e. ambiguous or unknown features within the electron density maps, especially at similar to 2 angstrom resolutions typical of most macromolecular structures. Beamline X26-C at the National Synchrotron Light Source (NSLS), Brookhaven National Laboratory (BNL), provides researchers with the opportunity to not only determine the atomic structure of their samples but also to explore the electronic and vibrational characteristics of the sample before, during and after X-ray diffraction data collection. When samples are maintained under cryo-conditions, an opportunity to promote and follow photochemical reactions in situ as a function of X-ray exposure is also provided. Plans are in place to further expand the capabilities at beamline X26-C and to develop beamlines at NSLS-II, currently under construction at BNL, which will provide users access to a wide array of complementary spectroscopic methods in addition to high-quality X-ray diffraction data.
C1 [Stoner-Ma, Deborah; Skinner, John M.; Schneider, Dieter K.; Cowan, Matt; Sweet, Robert M.; Orville, Allen M.] Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA.
RP Stoner-Ma, D (reprint author), Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA.
EM dstonerma@bnl.gov; amorv@bnl.gov
FU NCRR NIH HHS [2 P41 RR012408, P41 RR012408]
NR 20
TC 16
Z9 16
U1 0
U2 4
PU WILEY-BLACKWELL PUBLISHING, INC
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0909-0495
J9 J SYNCHROTRON RADIAT
JI J. Synchrot. Radiat.
PD JAN
PY 2011
VL 18
BP 37
EP 40
DI 10.1107/S0909049510033601
PN 1
PG 4
WC Instruments & Instrumentation; Optics; Physics, Applied
SC Instruments & Instrumentation; Optics; Physics
GA 695YN
UT WOS:000285409000010
PM 21169688
ER
PT J
AU Allaire, M
Yang, L
AF Allaire, Marc
Yang, Lin
TI Biomolecular solution X-ray scattering at the National Synchrotron Light
Source
SO JOURNAL OF SYNCHROTRON RADIATION
LA English
DT Article; Proceedings Paper
CT 3rd International Symposium on Diffraction Structural Biology
(ISDSB2010)
CY MAY 25-28, 2010
CL Paris, FRANCE
DE SAXS; WAXS; beamline; proteins; DNA/RNA
AB In recent years there has been a growing interest in the application of X-ray scattering techniques to biomolecules in solution. At NSLS, a new undulator-based beamline, X9, has been constructed to address the oversubscribed user demand for X-ray scattering. Beamline X9 has the capability to perform small/wide-angle X-ray scattering (SAXS/WAXS) all in one single instrument. This is accomplished by utilizing a vacuum sample/detector chamber that is an integral part of the SAXS scattering flight path. This vacuum chamber allows a WAXS detector to be positioned at a close distance from the sample, while not interfering with scattered X-rays at small angles from reaching the SAXS detector. A regular training program, the X9 workbench, has also been established to allow users to become familiar with beamline X9 for solution X-ray scattering.
C1 [Allaire, Marc; Yang, Lin] Brookhaven Natl Lab, Upton, NY 11973 USA.
RP Allaire, M (reprint author), Brookhaven Natl Lab, Upton, NY 11973 USA.
EM allaire@bnl.gov; lyang@bnl.gov
RI Yang, Lin/D-5872-2013
OI Yang, Lin/0000-0003-1057-9194
NR 4
TC 32
Z9 32
U1 0
U2 7
PU WILEY-BLACKWELL PUBLISHING, INC
PI MALDEN
PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA
SN 0909-0495
J9 J SYNCHROTRON RADIAT
JI J. Synchrot. Radiat.
PD JAN
PY 2011
VL 18
BP 41
EP 44
DI 10.1107/S0909049510036022
PN 1
PG 4
WC Instruments & Instrumentation; Optics; Physics, Applied
SC Instruments & Instrumentation; Optics; Physics
GA 695YN
UT WOS:000285409000011
PM 21169689
ER
PT J
AU Anderson, BE
Griffa, M
Le Bas, PY
Ulrich, TJ
Johnson, PA
AF Anderson, Brian E.
Griffa, Michele
Le Bas, Pierre-Yves
Ulrich, Timothy J.
Johnson, Paul A.
TI Experimental implementation of reverse time migration for nondestructive
evaluation applications
SO JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
LA English
DT Article
ID DEPTH MIGRATION; PRESTACK; INVARIANTS; OPERATOR
AB Reverse time migration (RTM) is a commonly employed imaging technique in seismic applications (e. g., to image reservoirs of oil). Its standard implementation cannot account for multiple scattering/reverberation. For this reason it has not yet found application in nondestructive evaluation (NDE). This paper applies RTM imaging to NDE applications in bounded samples, where reverberation is always present. This paper presents a fully experimental implementation of RTM, whereas in seismic applications, only part of the procedure is done experimentally. A modified RTM imaging condition is able to localize scatterers and locations of disbonding. Experiments are conducted on aluminum samples with controlled scatterers. (C) 2011 Acoustical Society of America
C1 [Anderson, Brian E.] Brigham Young Univ, Dept Phys & Astron, Acoust Res Grp, Eyring Sci Ctr N283, Provo, UT 84602 USA.
[Griffa, Michele] EMPA, Swiss Fed Labs Mat Sci & Technol, Lab Bldg Sci & Technol, CH-8600 Dubendorf, Switzerland.
[Le Bas, Pierre-Yves; Ulrich, Timothy J.; Johnson, Paul A.] Los Alamos Natl Lab, Solid Earth Geophys Grp EES 17, Los Alamos, NM 87545 USA.
RP Anderson, BE (reprint author), Brigham Young Univ, Dept Phys & Astron, Acoust Res Grp, Eyring Sci Ctr N283, Provo, UT 84602 USA.
EM bea@byu.edu; michele.griffa@empa.ch; pylb@lanl.gov; tju@lanl.gov
RI Anderson, Brian/G-8819-2012;
OI Johnson, Paul/0000-0002-0927-4003
NR 32
TC 8
Z9 8
U1 0
U2 3
PU ACOUSTICAL SOC AMER AMER INST PHYSICS
PI MELVILLE
PA STE 1 NO 1, 2 HUNTINGTON QUADRANGLE, MELVILLE, NY 11747-4502 USA
SN 0001-4966
J9 J ACOUST SOC AM
JI J. Acoust. Soc. Am.
PD JAN
PY 2011
VL 129
IS 1
BP EL8
EP EL14
DI 10.1121/1.3526379
PG 7
WC Acoustics; Audiology & Speech-Language Pathology
SC Acoustics; Audiology & Speech-Language Pathology
GA 716DE
UT WOS:000286944600002
PM 21302980
ER
PT J
AU Graham, AWG
Ray, SJ
Enke, CG
Barinaga, CJ
Koppenaal, DW
Hieftje, GM
AF Graham, Alexander W. G.
Ray, Steven J.
Enke, Christie G.
Barinaga, Charles J.
Koppenaal, David W.
Hieftje, Gary M.
TI First Distance-of-Flight Instrument: Opening a New Paradigm in Mass
Spectrometry
SO JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
LA English
DT Article
DE Mass spectrometry; Instrumentation; Glow discharge
ID ION DETECTION; SPECTROGRAPH; ARRAY; PERFORMANCE; SPECIATION; DETECTORS;
DESIGN; ENERGY
AB A new instrumental concept, distance-of-flight mass spectrometry (DOFMS), is demonstrated experimentally. In DOFMS the mass-to-charge ratio of ions is determined by the distance each ion travels during a fixed time period; the mass spectrum is then recorded with a position-sensitive detector. The DOF approach provides a new way to separate and quantify components of complex samples. Initial results are demonstrated with a glow discharge ion source and a microchannel plate-phosphor screen detector assembly for atomic ion determination. This detection system demonstrated mass spectral peak widths of approximately 0.65 mm, corresponding to resolving powers of approximately 400-600 for a number of elemental samples.
C1 [Graham, Alexander W. G.; Ray, Steven J.; Enke, Christie G.; Hieftje, Gary M.] Indiana Univ, Dept Chem, Bloomington, IN 47405 USA.
[Enke, Christie G.] Univ New Mexico, Dept Chem, Albuquerque, NM 87131 USA.
[Barinaga, Charles J.; Koppenaal, David W.] Pacific NW Natl Lab, Richland, WA 99352 USA.
RP Ray, SJ (reprint author), Indiana Univ, Dept Chem, Bloomington, IN 47405 USA.
EM sjray@indiana.edu
RI Gundlach-Graham, Alexander/B-6069-2011;
OI Gundlach-Graham, Alexander/0000-0003-4806-6255; Ray,
Steven/0000-0001-5675-1258
FU Pacific Northwest National Laboratory; US Department of Energy
[DE-FG02-98EF14890]; Lilly Endowment-Indiana MetaCyt Initiative
FX The authors are grateful to the Indiana University Edward G. Bair
Mechanical Instrumentation Facility for construction of the DOFMS
instrument. This work was supported in part by Laboratory Directed
Research & Development (LDRD) funds from Pacific Northwest National
Laboratory (operated by Battelle Memorial Institute under contract to
the US Department of Energy), by the US Department of Energy through
federal grant number DE-FG02-98EF14890, and by the Lilly
Endowment-Indiana MetaCyt Initiative.
NR 23
TC 18
Z9 18
U1 1
U2 19
PU SPRINGER
PI NEW YORK
PA 233 SPRING ST, NEW YORK, NY 10013 USA
SN 1044-0305
J9 J AM SOC MASS SPECTR
JI J. Am. Soc. Mass Spectrom.
PD JAN
PY 2011
VL 22
IS 1
BP 110
EP 117
DI 10.1007/s13361-010-0005-8
PG 8
WC Biochemical Research Methods; Chemistry, Analytical; Chemistry,
Physical; Spectroscopy
SC Biochemistry & Molecular Biology; Chemistry; Spectroscopy
GA 726CM
UT WOS:000287696300012
PM 21472549
ER
PT J
AU Guo, S
Jesse, S
Kalnaus, S
Balke, N
Daniel, C
Kalinin, SV
AF Guo, S.
Jesse, S.
Kalnaus, S.
Balke, N.
Daniel, C.
Kalinin, S. V.
TI Direct Mapping of Ion Diffusion Times on LiCoO2 Surfaces with Nanometer
Resolution
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID ATOMIC-FORCE MICROSCOPY; BATTERY CATHODE; SOLAR-CELLS; STRESS;
EXPANSION; TRANSPORT; ELECTRODE
AB Spatial variability of ionic transport on the polycrystalline LiCoO2 surface is studied on the similar to 10 nanometer level by time-resolved electrochemical strain spectroscopy (ESM). Strong variability between ESM signal relaxation and hence ionic transport at the grain boundaries and within the grains is observed. The relationship between relaxation and ESM hysteresis loop formation is established. The use of these strain measurements allows ionic transport be probed on the nanoscale, and suggests enormous potential for probing ionic materials and devices including batteries and fuel cells. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3604759] All rights reserved.
C1 [Guo, S.; Jesse, S.; Kalnaus, S.; Balke, N.; Daniel, C.; Kalinin, S. V.] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
[Daniel, C.] Univ Tennessee, Knoxville, TN 37996 USA.
RP Guo, S (reprint author), Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
EM sergei2@ornl.gov
RI Kalinin, Sergei/I-9096-2012; Balke, Nina/Q-2505-2015; Jesse,
Stephen/D-3975-2016;
OI Kalinin, Sergei/0000-0001-5354-6152; Balke, Nina/0000-0001-5865-5892;
Jesse, Stephen/0000-0002-1168-8483; Kalnaus, Sergiy/0000-0002-7465-3034
FU U.S. Department of Energy [DE-AC05-00OR22725]; Vehicle Technologies
Program for the Office of Energy Efficiency and Renewable Energy; Office
of Science, Basic Energy Sciences Program, Division of User Facilities
FX This research at Oak Ridge National Laboratory, managed by UT Battelle,
LLC, for the U.S. Department of Energy under contract DE-AC05-00OR22725,
was sponsored by the Vehicle Technologies Program for the Office of
Energy Efficiency and Renewable Energy. Parts of this research were
performed at the Center for Nanophase Materials Science and the Shared
Research Equipment Collaborative Research Center, both sponsored by the
Office of Science, Basic Energy Sciences Program, Division of User
Facilities. The authors want to thank Nancy Dudney for the use of the rf
magnetron sputtering facilities in her group. SVK gratefully
acknowledges communications with A. Schirmeisen (University of
Muenster).
NR 50
TC 24
Z9 24
U1 4
U2 32
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 8
BP A982
EP A990
DI 10.1149/1.3604759
PG 9
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 784JV
UT WOS:000292154300018
ER
PT J
AU Jung, YS
Cavanagh, AS
Yan, YF
George, SM
Manthiram, A
AF Jung, Yoon Seok
Cavanagh, Andrew S.
Yan, Yanfa
George, Steven M.
Manthiram, Arumugam
TI Effects of Atomic Layer Deposition of Al2O3 on the
Li[Li0.20Mn0.54Ni0.13Co0.13]O-2 Cathode for Lithium-Ion Batteries
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID COMPOSITE ELECTRODES; SURFACE-CHEMISTRY; CAPACITY; CELL
AB The lithium-excess layered oxide Li[Li0.2Mn0.54Ni0.13Co0.13]O-2 has been surface modified with Al2O3 films grown with atomic layer deposition (ALD) and examined as cathodes for lithium-ion batteries. Al2O3 was grown on powders prior to electrode fabrication, directly on the electrode, and directly on the electrode followed by a heat-treatment at 300 degrees C in air. Compared to the bare electrode, an Al2O3 film on an as-formed electrode improved the cycle performance significantly. Furthermore, the heat treatment of the ALD-coated electrodes result in significant increase in capacity, due to the transformation of the as-deposited Al2O3 to a better Li+-conductive material. X-ray photoelectron spectroscopy (XPS) results indicate that the heat-treatment leads to an inter-diffusion of atoms between the Al2O3 coating and the Li[Li0.20Mn0.54Ni0.13Co0.13]O-2 core. (C) 2011 The Electrochemical Society. [DOI: 10.1149/2.030112jes] All rights reserved.
C1 [Jung, Yoon Seok; Yan, Yanfa] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Jung, Yoon Seok; Manthiram, Arumugam] Univ Texas Austin, Mat Sci & Engn Program, Austin, TX 78712 USA.
[George, Steven M.] Univ Colorado, Dept Chem & Biol Engn, Boulder, CO 80309 USA.
[George, Steven M.] Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USA.
[Cavanagh, Andrew S.] Univ Colorado, Dept Phys, Boulder, CO 80309 USA.
RP Jung, YS (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
EM rmanth@mail.utexas.edu
RI George, Steven/O-2163-2013; Jung, Yoon Seok/B-8512-2011
OI George, Steven/0000-0003-0253-9184; Jung, Yoon Seok/0000-0003-0357-9508
FU NASA Glenn Research Center; Welch Foundation [F-1254]; U.S. Department
of Energy [DE-AC36-08GO28308]
FX Financial support by NASA Glenn Research Center and Welch Foundation
grant F-1254 is gratefully acknowledged. NREL is grateful for support
from the U.S. Department of Energy under subcontract number
DE-AC36-08GO28308.
NR 21
TC 72
Z9 75
U1 6
U2 75
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 12
BP A1298
EP A1302
DI 10.1149/2.030112jes
PG 5
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 860WP
UT WOS:000297979300008
ER
PT J
AU Jung, YS
Hwang, YH
Javey, A
Pyo, M
AF Jung, Youn Su
Hwang, Yun-Hwa
Javey, Ali
Pyo, Myoungho
TI PCBM-Grafted MWNT for Enhanced Electron Transport in Polymer Solar Cells
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID PHOTOVOLTAIC CELLS; CARBON NANOTUBES; COMPOSITES; DEVICES; LAYER
AB 1-(3-methoxycarbonyl) propyl-1-phenyl[6,6]C(61) (PCBM) grafted to multi-walled carbon nanotubes (MWNTs) was for the first time synthesized and utilized for enhancing the electron transport in bulk-heterojunction solar cells. Minimal interaction between poly (3-hexylthiophene) (P3HT) and PCBM-grafted MWNT (PCBM-g-MWNT) reduced the chance for MWNT to function as a hole transporter. The comparison of charge carrier mobilities revealed that the electron moves ca. twice faster in a device containing 0.3 wt % PCBM-g-MWNT than in devices with 0.1 wt % MWNT or no MWNT. PCBM-g-MWNT, blended with P3HT and PCBM for polymer solar cells, enhanced the cell efficiency (eta) by 39% at 0.3 wt %. (C) 2011 The Electrochemical Society. [DOI:10.1149/1.3530197] All rights reserved.
C1 [Jung, Youn Su; Hwang, Yun-Hwa; Javey, Ali; Pyo, Myoungho] Sunchon Natl Univ, World Class Univ Program, Dept Printed Elect Engn, Chungnam 540742, South Korea.
[Javey, Ali] Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA.
[Javey, Ali] Univ Calif Berkeley, Berkeley Sensor & Actuator Ctr, Berkeley, CA 94720 USA.
[Javey, Ali] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Jung, YS (reprint author), Sunchon Natl Univ, World Class Univ Program, Dept Printed Elect Engn, Chungnam 540742, South Korea.
EM mho@sunchon.ac.kr
RI Javey, Ali/B-4818-2013
FU Ministry of Education, Science and Technology (MEST) [R31-10022]; Korea
Institute for Advancement of Technology (KIAT)
FX This research was supported in part by the WCU (World Class University)
program through the Korea Science and Engineering Foundation funded by
the Ministry of Education, Science and Technology (R31-10022). This work
was also supported in parts by the Ministry of Education, Science
Technology (MEST) and Korea Institute for Advancement of Technology
(KIAT) through the Human Resource Training Project for Regional
Innovation.
NR 13
TC 5
Z9 5
U1 1
U2 12
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 3
BP A237
EP A240
DI 10.1149/1.3530197
PG 4
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 712PE
UT WOS:000286677900005
ER
PT J
AU Kang, SH
Lu, WQ
Gallagher, KG
Park, SH
Pol, VG
AF Kang, Sun-Ho
Lu, Wenquan
Gallagher, Kevin G.
Park, Sang-Ho
Pol, Vilas G.
TI Study of Li1+x(Mn4/9Co1/9Ni4/9)(1-x)O-2 Cathode Materials for Vehicle
Battery Applications
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID LITHIUM-ION BATTERIES; X-RAY-ABSORPTION; ELECTROCHEMICAL PROPERTIES;
INSERTION MATERIAL; DRYING METHOD; ELECTRODES; LI; CO; MN; NI
AB Li1+x(Mn4/9Co1/9Ni4/9)(1-x)O-2 with two lithium content (x = 0 and 0.05) has been synthesized using coprecipitated (Mn4/9Co1/9Ni4/9) (OH)(2) and their electrochemical properties have been investigated. Compared with the x = 0 material, the lithium-rich material (x = 0.05) exhibited superior electrochemical properties. When cycled between 2.5 and 4.4 V, the Li/Li-1.05(Mn4/9Co1/9Ni4/9)(0.95)O-2 cells showed high first-cycle coulombic efficiency (93%), reversible discharge capacity of 187 mAh/g at C/12 with 99% capacity retention after 40 cycles, and excellent rate performance (86% of C/12 rate at 5 C discharge current). The Li-1.05(Mn4/9Co1/9Ni4/9)(0.95)O-2 electrode also showed a full-cell pulse power characteristics (5 C discharge pulse) comparable to Li-1.05(Mn1/3Co1/3Ni1/3)(0.95)O-2 electrode and better thermal stability at charged state (4.4 V) than charged LiNi0.8Co0.15Al0.05O2 (4.2 V). Using a battery design and cost model developed in-house, calculations found battery packs with Li-1.05(Mn4/9Co1/9Ni4/9)(0.95)O-2 as the positive electrode to be of lower cost and higher energy density than those with LiNi0.8Co0.15Al0.05O2 and Li-1.05(Mn1/3Co1/3Ni1/3)(0.95)O-2 electrodes. The experimental and modeling results obtained in this work suggest Li-1.05(Mn4/9Co1/9Ni4/9)(0.95)O-2 to be a promising cathode material for vehicle battery applications. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3600701] All rights reserved.
C1 [Kang, Sun-Ho; Lu, Wenquan; Gallagher, Kevin G.; Park, Sang-Ho; Pol, Vilas G.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
RP Kang, SH (reprint author), Korean Intellectual Property Off, Taejon 302701, South Korea.
EM sunho.kang@anl.gov
FU Office of Vehicle Technologies of the U. S. Department of Energy;
[DE-AC02-06CH11357]
FX Financial support from the Office of Vehicle Technologies of the U. S.
Department of Energy is gratefully acknowledged. The authors thank Dr.
Donghan Kim (Argonne) for his help with the Rietveld refinement. Use of
the FESEM facility at Argonne's Center for Nanoscale Materials (CNM) is
also acknowledged.; 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 30
TC 16
Z9 16
U1 2
U2 38
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 8
BP A936
EP A941
DI 10.1149/1.3600701
PG 6
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 784JV
UT WOS:000292154300012
ER
PT J
AU Kim, GH
Smith, K
Lee, KJ
Santhanagopalan, S
Pesaran, A
AF Kim, Gi-Heon
Smith, Kandler
Lee, Kyu-Jin
Santhanagopalan, Shriram
Pesaran, Ahmad
TI Multi-Domain Modeling of Lithium-Ion Batteries Encompassing
Multi-Physics in Varied Length Scales
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID POROUS INSERTION ELECTRODES; POSITIVE ELECTRODES; POLYMER BATTERY; CELL;
SIMULATIONS; DESIGN
AB This paper presents a general multi-scale multi-physics lithium-ion battery model framework, the Multi-Scale Multi-Dimensional model. The model introduces multiple coupled computational domains to resolve the interplay of lithium-ion battery physics in varied length scales. Model geometry decoupling and domain separation for the physicochemical process interplay are valid where the characteristic time or length scale is segregated. Assuming statistical homogeneity for repeated architectures typical of lithium-ion battery devices is often adequate and effective for modeling submodel geometries and physics in each domain. The modularized hierarchical architecture of the model provides a flexible and expandable framework facilitating modeling of the multiphysics behavior of lithium-ion battery systems. In this paper, the Multi-Scale Multi-Dimensional model is introduced and applied to a model analysis that resolves electrochemical-, electrical-, and thermal-coupled physics in large-format stacked prismatic cell designs. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3597614] All rights reserved.
C1 [Kim, Gi-Heon; Smith, Kandler; Lee, Kyu-Jin; Santhanagopalan, Shriram; Pesaran, Ahmad] Natl Renewable Energy Lab, Golden, CO 80401 USA.
RP Kim, GH (reprint author), Natl Renewable Energy Lab, Golden, CO 80401 USA.
EM gi-heon.kim@nrel.gov
FU U.S. DOE Office of Vehicle Technologies
FX The authors gratefully acknowledge David Howell, Brian Cunningham, and
the U.S. DOE Office of Vehicle Technologies Energy Storage Program for
funding and support and Jeffrey Gonder of NREL for generating the
vehicle application power profile.
NR 31
TC 73
Z9 79
U1 8
U2 65
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 8
BP A955
EP A969
DI 10.1149/1.3597614
PG 15
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 784JV
UT WOS:000292154300015
ER
PT J
AU Lee, BR
Noh, HJ
Myung, ST
Amine, K
Sun, YK
AF Lee, B. -R.
Noh, H. -J.
Myung, S. -T.
Amine, K.
Sun, Y. -K.
TI High-Voltage Performance of Li[Ni0.55Co0.15Mn0.30]O-2 Positive Electrode
Material for Rechargeable Li-Ion Batteries
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID LITHIUM INSERTION MATERIAL; ELECTROCHEMICAL PROPERTIES; CATHODE
MATERIALS; HIGH-POWER; FLUORINE SUBSTITUTION; SECONDARY BATTERIES;
HIGH-ENERGY; CELLS; PARTICLES; CAPACITY
AB The electrochemical properties and thermal stabilities of a new positive electrode material for Li-ion batteries, Li[Ni0.55Co0.15Mn0.30]O-2, were investigated over a wide potential window. This electrode material was synthesized via a coprecipitation method. X-ray diffraction studies indicated that the synthesized material crystallized into an alpha-NaFeO2 layered structure (R (3) over barm). The Li[Ni0.55Co0.15Mn0.30]O-2 positive electrode has a discharge capacity of 202 mAh g(-1) in the voltage range of 2.7-4.5 V. This high capacity was retained throughout cycling. The thermal stability of Li[Ni0.55Co0.15Mn0.30]O-2 was measured by differential thermal calorimetry and found to be comparable to that of Li[Ni1/3Co1/3Mn1/3]O-2. This positive electrode material was also characterized in a full cell configuration (graphite negative electrode) by the hybrid pulse power characterization tests following the FreedomCAR battery test manual for plug-in hybrid electric vehicles (PHEVs). The pulse power capability and available energy met the goals for PHEVs. (C) 2010 The Electrochemical Society. [DOI: 10.1149/1.3525247] All rights reserved.
C1 [Lee, B. -R.; Noh, H. -J.; Sun, Y. -K.] Hanyang Univ, Dept Energy Engn, Seoul 133791, South Korea.
[Myung, S. -T.] Iwate Univ, Dept Chem Engn, Morioka, Iwate 0208551, Japan.
[Amine, K.] Argonne Natl Lab, Chem Sci & Engn Div, Electrochem Technol Program, Argonne, IL 60439 USA.
RP Lee, BR (reprint author), Hanyang Univ, Dept Energy Engn, Seoul 133791, South Korea.
EM smyung@iwate-u.ac.jp; amine@anl.gov; yksun@hanyang.ac.kr
RI Sun, Yang-Kook/B-9157-2013; Amine, Khalil/K-9344-2013
OI Sun, Yang-Kook/0000-0002-0117-0170;
FU Korea government (MEST) [2009-0092780]; Ministry of Education, Science
and Technology (MEST) of Korea [2009-0063371]
FX This work was supported by the National Research Foundation of Korea
(NRF) grant funded by the Korea government (MEST) (no. 2009-0092780).
This work was also supported by the Korea Science and Engineering
Foundation (KOSEF) grant funded from the Ministry of Education, Science
and Technology (MEST) of Korea for the Center for Next Generation
Dye-sensitized Solar Cells (no. 2009-0063371).
NR 30
TC 18
Z9 20
U1 5
U2 37
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 2
BP A180
EP A186
DI 10.1149/1.3525247
PG 7
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 700SW
UT WOS:000285765600017
ER
PT J
AU Lim, J
Choi, E
Mathew, V
Kim, D
Ahn, D
Gim, J
Kang, SH
Kim, J
AF Lim, Jinsub
Choi, Eunseok
Mathew, Vinod
Kim, Donghan
Ahn, Docheon
Gim, Jihyeon
Kang, Sun-Ho
Kim, Jaekook
TI Enhanced High-Rate Performance of Li4Ti5O12 Nanoparticles for
Rechargeable Li-Ion Batteries
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID LITHIUM INTERCALATION PROPERTIES; SOL-GEL PROCESS; ELECTROCHEMICAL
PROPERTIES; SPINEL LI4TI5O12; ANODE MATERIAL; NANOCRYSTALLINE LI4TI5O12;
NEGATIVE ELECTRODE; TITANIUM-SPINEL; INSERTION; NANOWIRES
AB Li4Ti5O12 was successfully synthesized by solvothermal techniques using cost-effective precursors in polyol medium. The x-ray diffraction (XRD) pattern of the sample (LTO-500) was clearly indexed to the spinel shaped Li4Ti5O12 and in order to accurately determine the lattice parameters, synchrotron powder XRD pattern was fitted by the whole-pattern profile matching method using the model space group, Fd (3) over barm. The particle size, morphology, and crystallinity of LTO-500 were identified using field-emission scanning electron microscopy and transmission electron microscopy. The electrochemical performance of the sample revealed fairly high initial discharge/charge specific capacities of 230 and 179 mAh/g, respectively, and exhibited highly improved rate performances at C-rates as high as 30 and 60 C, when compared to Li4Ti5O12 by the solid-state reaction method. This was attributed to the achievement of small particle sizes in nanoscale dimensions, a reasonably narrow particle size distribution and, hence, shorter diffusion paths combined with larger contact area at the electrode/electrolyte interface. (C) 2011 The Electrochemical Society. [DOI:10.1149/1.3527983] All rights reserved.
C1 [Lim, Jinsub; Choi, Eunseok; Mathew, Vinod; Gim, Jihyeon; Kim, Jaekook] Chonnam Natl Univ WCU, Dept Mat Sci & Engn, Bukgu 500757, Gwangju, South Korea.
[Kim, Donghan; Kang, Sun-Ho] Argonne Natl Lab, Chem Sci & Engn Div, Electrochem Energy Storage Dept, Argonne, IL 60439 USA.
[Ahn, Docheon] Pohang Accelerator Lab, Beamline Res Div, Pohang 790784, South Korea.
RP Lim, J (reprint author), Chonnam Natl Univ WCU, Dept Mat Sci & Engn, Bukgu 500757, Gwangju, South Korea.
EM jaekook@chonnam.ac.kr
FU Ministry of Education, Science and Technology [R32-2008-000-20074-0]
FX This research was supported by the WCU (World Class University) program
through the Korea Science and Engineering Foundation funded by the
Ministry of Education, Science and Technology (R32-2008-000-20074-0).
NR 55
TC 45
Z9 45
U1 6
U2 46
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 3
BP A275
EP A280
DI 10.1149/1.3527983
PG 6
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 712PE
UT WOS:000286677900011
ER
PT J
AU Mullin, SA
Stone, GM
Panday, A
Balsara, NP
AF Mullin, Scott A.
Stone, Gregory M.
Panday, Ashoutosh
Balsara, Nitash P.
TI Salt Diffusion Coefficients in Block Copolymer Electrolytes
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID FILM LITHIUM BATTERIES; TRANSPORT-PROPERTIES; POLYMER ELECTROLYTES;
MOLECULAR-WEIGHT; SOLID-STATE; IONIC-CONDUCTIVITY; RESTRICTED DIFFUSION;
POLY(ETHYLENE OXIDE); INTEGRAL-EQUATIONS; GRAFT COPOLYMER
AB The salt diffusion coefficient in a series of nanostructured block copolymer electrolytes was measured in a symmetric lithium/polymer electrolyte/lithium cell using the restricted diffusion technique. The decay of the open-circuit potential as measured by this technique was analyzed by a Laplace inversion algorithm to give the distribution of relaxation processes characteristic of the electrolytes. The distribution function was characterized by two parameters, an average diffusion coefficient, D-avg, and a polydispersity index, PDIdiffusion, which is a measure of the width of the distribution. We compare these parameters obtained from a series of nearly symmetric poly(styrene)-block-poly(ethylene oxide) (SEO) block copolymer electrolytes containing lithium bis(trifluoromethanesulfone) imide salt (LiTFSI) with those obtained from a homogeneous poly(ethylene oxide) (PEO)/LiTFSI mixture. D-avg of the SEO/LiTFSI mixtures increases with increasing molecular weight of the PEO block, M-PEO, and reaches a plateau of 2/3D(PEO) when M-PEO exceeds 50 kg/mol (D-PEO is the average salt diffusion coefficient in PEO homopolymer). The PDIdiffusion values obtained for SEO copolymers are significantly higher than those obtained in PEO homopolymer. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3563802]
C1 [Mullin, Scott A.; Stone, Gregory M.; Balsara, Nitash P.] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA.
[Mullin, Scott A.; Panday, Ashoutosh; Balsara, Nitash P.] Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
[Stone, Gregory M.; Balsara, Nitash P.] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA.
RP Mullin, SA (reprint author), Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA.
EM nbalsara@berkeley.edu
FU U.S. Department of Energy, Office of Energy Efficiency and Renewable
Energy's Batteries for Advanced Transportation Technologies (BATT)
[DE-AC02-05CH11231]; Arkema and Tyco Electronics; Office of Science,
Office of Basic Energy Sciences, of the U.S. Department of Energy
[DE-AC02-05CH11231]
FX This work was conducted under the U.S. Department of Energy, Office of
Energy Efficiency and Renewable Energy's Batteries for Advanced
Transportation Technologies (BATT) Program, under Contract No.
DE-AC02-05CH11231. S. A. M. was also supported by fellowships from
Arkema and Tyco Electronics. Some experiments were conducted at the
L.B.N.L Advanced Light Source which 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. The authors benefitted from
many helpful and educational discussions with Professor John Newman. We
also acknowledge Dr. Jason Giurleo and Professor David Talaga for help
with the GRIP program.
NR 57
TC 30
Z9 30
U1 2
U2 48
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 6
BP A619
EP A627
DI 10.1149/1.3563802
PG 9
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 754KY
UT WOS:000289854700001
ER
PT J
AU Rhodes, K
Meisner, R
Kim, Y
Dudney, N
Daniel, C
AF Rhodes, Kevin
Meisner, Roberta
Kim, Yoongu
Dudney, Nancy
Daniel, Claus
TI Evolution of Phase Transformation Behavior in Li(Mn1.5Ni0.5)O-4 Cathodes
Studied By In Situ XRD
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID LITHIUM-ION BATTERIES; X-RAY-DIFFRACTION; SPINEL ELECTRODES; SECONDARY
BATTERY; ACOUSTIC-EMISSION; INTERCALATION; INSERTION; CELLS;
ELECTROCHEMISTRY; DEGRADATION
AB In situ X-ray diffraction of Li(Mn1.5Ni0.5)O-4 was performed using a novel electrochemical cell based on coin cell hardware. The pristine material had a cubic spinel structure with a Ni2+ oxidation state. As the cell was charged through its 4.75V plateau, a transition between spinels with Ni2+, Ni3+, and Ni4+ oxidation was observed. As the oxidation of the nickel increased, the lattice parameter of the corresponding spinel diminished. During discharge, the spinel reversed its phase changes until only the Ni2+ spinel was observed. As the discharge potential reached a plateau at 2.75V a tetragonal spinel phase was formed, which upon subsequent cell charging was completely converted back to a cubic spinel phase. Lattice parameter changes of each phase were calculated and showed a characteristic strain release during phase changes. After 15 full cycles the transition between cubic spinels was no longer complete and the formation of the tetragonal spinel phase was no longer detected. This suggests a gradual change from an ordered to disordered MNO structure and lithium trapping in the active material. These cycle-induced changes to phase transition behavior can be related to capacity fade and overall cell performance. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3596376] All rights reserved.
C1 [Rhodes, Kevin; Meisner, Roberta; Kim, Yoongu; Dudney, Nancy; Daniel, Claus] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37931 USA.
[Rhodes, Kevin; Meisner, Roberta; Daniel, Claus] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA.
RP Rhodes, K (reprint author), Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37931 USA.
EM kevinrhodes74@gmail.com
RI Daniel, Claus/A-2060-2008
OI Daniel, Claus/0000-0002-0571-6054
FU U.S. Department of Energy [DE-AC05-00OR22725]; Vehicle Technologies
Program for the Office of Energy Efficiency and Renewable Energy; Office
of Basic Energy Sciences, Division of Materials Sciences and Engineering
FX This research at Oak Ridge National Laboratory, managed by UT Battelle,
LLC, for the U.S. Department of Energy under contract DE-AC05-00OR22725,
was sponsored by the Vehicle Technologies Program for the Office of
Energy Efficiency and Renewable Energy and the Office of Basic Energy
Sciences, Division of Materials Sciences and Engineering, with
additional support through the High Temperature Materials Laboratory
User Program. Also, thanks to Melanie Kirkham and Andrew Payzant for
their assistance with diffractometer setup and operation.
NR 43
TC 29
Z9 31
U1 3
U2 42
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 8
BP A890
EP A897
DI 10.1149/1.3596376
PG 8
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 784JV
UT WOS:000292154300006
ER
PT J
AU Tang, M
Newman, J
AF Tang, Maureen
Newman, John
TI Electrochemical Characterization of SEI-Type Passivating Films Using
Redox Shuttles
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID LI-ION BATTERIES; SOLID-ELECTROLYTE INTERPHASE; OVERCHARGE PROTECTION;
GRAPHITE-ELECTRODES; DIETHYL CARBONATES; CELLS; MODEL; KINETICS;
INTERCALATION; INTERFACE
AB Although redox shuttles have been demonstrated to provide overcharge protection for up to 200 cycles, the existence of the solid-electrolyte-interphase (SEI), a passivating film on the negative electrode, seems to be inherently incompatible with a successful shuttle reaction. In this work, the kinetics of ferrocene is measured in the presence and absence of passivating films using rotating-disk-electrode voltammetry. The steady-state current-voltage curve is described by a simple model of Butler-Volmer kinetics and a through-film limiting current. The presence of a passivating film decreases both the limiting current and the effective rate constant. Both parameters decrease with increased passivation time; a decreasing porosity is a possible explanation for the latter observation. The characterization method developed in this work allows direct measurements of the effect of passivating films, thus contributing to understanding of passivation phenomena in nonaqueous electrolytes. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3567765] All rights reserved.
C1 [Tang, Maureen; Newman, John] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA.
[Newman, John] Environm Energy Technol Div, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA.
RP Tang, M (reprint author), Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA.
EM mtang@berkeley.edu
RI Newman, John/B-8650-2008
OI Newman, John/0000-0002-9267-4525
FU Office of Vehicle Technologies of the U.S. Department of Energy
[DE-AC02-05CH11231]
FX Drs. John Kerr and Philip N. Ross, Jr., are acknowledged for helpful
experimental advice. 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 33
TC 25
Z9 25
U1 4
U2 36
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 5
BP A530
EP A536
DI 10.1149/1.3567765
PG 7
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 741ML
UT WOS:000288867700014
ER
PT J
AU Veith, GM
Dudney, NJ
AF Veith, Gabriel M.
Dudney, Nancy J.
TI Current Collectors for Rechargeable Li-Air Batteries
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID LITHIUM BATTERIES; POLYMER ELECTROLYTE; LIQUID ELECTROLYTES; OXYGEN
BATTERIES; GRAPHITE; INTERCALATION; CATALYSTS; DECOMPOSITION;
PERFORMANCE; STABILITY
AB Here we report the negative influence of porous nickel foam for use as current collectors in rechargeable Li-air batteries. Uncoated nickel foam promotes the decomposition of LiPF(6)-organic carbonate electrolytes under normal charging conditions reported for rechargeable Li-air cells. Partially coating the Ni reduces the extent of electrolyte decomposition. We have identified Ni-free porous carbon supports as more appropriate cathode current collectors. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3569750]
C1 [Veith, Gabriel M.; Dudney, Nancy J.] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
RP Veith, GM (reprint author), Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA.
EM veithgm@ornl.gov
RI Dudney, Nancy/I-6361-2016
OI Dudney, Nancy/0000-0001-7729-6178
FU Oak Ridge National Laboratory
FX The authors thank IncoFoam, Timcal, and Celgard for donating materials
used in this study and Dr's Chengdu Liang and Jagjit Nanda for the
helpful discussions. Research sponsored by the Laboratory Directed
Research and Development Program of Oak Ridge National Laboratory,
managed by UT-Battelle, LLC, for the U.S. Department of Energy.
NR 39
TC 32
Z9 33
U1 3
U2 38
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 6
BP A658
EP A663
DI 10.1149/1.3569750
PG 6
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 754KY
UT WOS:000289854700006
ER
PT J
AU Xun, S
Song, X
Wang, L
Grass, ME
Liu, Z
Battaglia, VS
Liu, G
AF Xun, S.
Song, X.
Wang, L.
Grass, M. E.
Liu, Z.
Battaglia, V. S.
Liu, G.
TI The Effects of Native Oxide Surface Layer on the Electrochemical
Performance of Si Nanoparticle-Based Electrodes
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID LITHIUM-ION-BATTERIES; THIN-FILM ELECTRODE; RECHARGEABLE BATTERIES;
ANODE MATERIAL; SILICON; REDUCTION; STORAGE; CARBON
AB This study controllably reduces the silicon dioxide (SiO2) layer on Si nanoparticles and evaluates its effect on the performance of Si nanoparticle-based electrodes in Li-ion batteries. Various thicknesses of this native oxide are present on Si nanoparticles generated by chemical vapor deposition (CVD) due to the process conditions and exposure to oxygen during storage. This layer can be effectively reduced by hydrofluoric acid (HF) etching, which results in improved electrochemical performance over as-received samples. As-received Si sample has a higher first-cycle capacity loss than that of the etched Si samples, when the capacity loss is normalized to the surface area of the Si particles. Spectroscopic analysis reveals that when the Si electrode is held at a low potential, the oxide layer can be converted to a more stable silicate form due to the irreversible consumption of lithium species in the cell. The thick SiO2 surface layer also isolates the Si core from lithium-ion alloying; therefore, the as-received Si nanoparticles deliver a lower specific capacity than their etched counterpart. Incomplete lithiation of the as-received Si particles is confirmed by transmission electron microscopy, which shows that nanocrystalline Si domains remain after cycling. The surface insulating effects of SiO2 also cause high impedance in the Si electrode. (C) 2011 The Electrochemical Society. [DOI: 10.1149/2.007112jes] All rights reserved.
C1 [Xun, S.; Song, X.; Wang, L.; Battaglia, V. S.; Liu, G.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
[Grass, M. E.; Liu, Z.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA.
RP Xun, S (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
EM gliu@lbl.gov
RI Wang, Lei/D-4773-2012; Liu, Zhi/B-3642-2009
OI Liu, Zhi/0000-0002-8973-6561
FU Assistant Secretary for Energy Efficiency, Office of Vehicle
Technologies of the U.S. DOE [DE-AC02-05CH11231]; Office of Science,
Office of Basic Energy Sciences, of the U.S. DOE [DE-AC02-05CH11231];
Advanced Light Source Postdoctoral Fellowship program
FX This work was funded by the Assistant Secretary for Energy Efficiency,
Office of Vehicle Technologies of the U.S. DOE under contract no.
DE-AC02-05CH11231 under the Batteries for Advanced Transportation
Technologies (BATT) Program. TEM and XPS were performed at National
Center for Electron Microscopy and the Molecular Foundry, funded by
Office of Science, Office of Basic Energy Sciences, of the U.S. DOE
under Contract No. DE-AC02-05CH11231. MEG is supported by the Advanced
Light Source Postdoctoral Fellowship program. W. Maria Wang performed
advanced editing for the manuscript.
NR 25
TC 54
Z9 54
U1 7
U2 71
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
EI 1945-7111
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 12
BP A1260
EP A1266
DI 10.1149/2.007112jes
PG 7
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 860WP
UT WOS:000297979300003
ER
PT J
AU Yu, JM
Balbuena, PB
Budzien, J
Leung, K
AF Yu, Jiamei
Balbuena, Perla B.
Budzien, Joanne
Leung, Kevin
TI Hybrid DFT Functional-Based Static and Molecular Dynamics Studies of
Excess Electron in Liquid Ethylene Carbonate
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID LITHIUM-ION BATTERIES; GENERALIZED GRADIENT APPROXIMATION; DOT-O
INTERACTIONS; PROPYLENE CARBONATE; LI-ION; DIMETHYL CARBONATE;
SURFACE-CHEMISTRY; ELECTROCHEMICAL REDUCTION; VINYLENE CARBONATE;
GRAPHITE ANODE
AB We applied static and dynamic hybrid functional density functional theory (DFT) calculations to study the interactions of one and two excess electrons with ethylene carbonate (EC) liquid and clusters. Optimal structures of (EC)(n) and (EC)(n)(-) clusters devoid of Li+ ions, n = 1-6, were obtained. The excess electron was found to be localized on a single EC in all cases, and the EC dimeric radical anion exhibits a reduced barrier associated with the breaking of the ethylene carbon-oxygen covalent bond compared to EC-. In ab initio molecular dynamics (AIMD) simulations of EC- solvated in liquid EC, large fluctuations in the carbonyl carbon-oxygen bond lengths were observed. AIMD simulations of a two-electron attack on EC in EC liquid and on Li metal surfaces yielded products similar to those predicted using nonhybrid DFT functionals, except that CO release did not occur for all attempted initial configurations in the liquid state. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3545977]
C1 [Yu, Jiamei; Balbuena, Perla B.] Texas A&M Univ, Mat Sci & Engn Program, College Stn, TX 77843 USA.
[Balbuena, Perla B.] Texas A&M Univ, Dept Chem Engn, College Stn, TX 77843 USA.
[Budzien, Joanne] Frostburg State Univ, Dept Phys & Engn, Frostburg, MD 21532 USA.
[Leung, Kevin] Sandia Natl Labs, Albuquerque, NM 87185 USA.
RP Yu, JM (reprint author), Texas A&M Univ, Mat Sci & Engn Program, College Stn, TX 77843 USA.
EM balbuena@tamu.edu
RI Budzien, Joanne/E-8315-2011
FU Department of Energy [DE-AC04-94AL85000]; U.S. Department of Energy,
Office of Science, and Office of Basic Energy Sciences [DESC0001160];
Department of Energy, Basic Energy Sciences [DE-FG02-05ER15729]
FX J.B. was supported by the Department of Energy under Contract No.
DE-AC04-94AL85000. Sandia is a multiprogram laboratory operated by
Sandia Corporation, a Lockheed Martin Company, for the U.S. Department
of Energy. K. L. was supported by Nanostructures for Electrical Energy
Storage, an Energy Frontier Research Center funded by the U.S.
Department of Energy, Office of Science, and Office of Basic Energy
Sciences under Award No. DESC0001160. J.Y. and P. B. B. acknowledge
financial support from the Department of Energy, Basic Energy Sciences,
under Grant No. DE-FG02-05ER15729.
NR 50
TC 30
Z9 30
U1 2
U2 33
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
EI 1945-7111
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 4
BP A400
EP A410
DI 10.1149/1.3545977
PG 11
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 729SX
UT WOS:000287972300007
ER
PT J
AU Zhang, GQ
Zheng, JP
Liang, R
Zhang, C
Wang, B
Au, M
Hendrickson, M
Plichta, EJ
AF Zhang, G. Q.
Zheng, J. P.
Liang, R.
Zhang, C.
Wang, B.
Au, M.
Hendrickson, M.
Plichta, E. J.
TI alpha-MnO2/Carbon Nanotube/Carbon Nanofiber Composite Catalytic Air
Electrodes for Rechargeable Lithium-air Batteries
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID ORGANIC ELECTROLYTE; LI/AIR BATTERIES; ION BATTERIES; CATHODE
AB Air electrodes, made with a mixture of carbon nanotube (CNT)/carbon nanofiber (CNF) and with/without alpha-MnO2 nano-rods, were prepared for Li-air cells. The charge capacity and cyclability were found to increase largely for the cells made with the alpha-MnO2 catalyst; however, the first cycle discharge capacities were no different for the cells made with and without the alpha-MnO2 catalyst. It was found that the discharge capacity of the Li-air cell was mainly due to oxygen deficiency from the pinch-off of the diffusion channel by the deposition product at the air side of the air electrode. Electrochemical impedance spectra at different cycles demonstrated that the charge transfer resistance was increased and decreased during discharge and charge processes, respectively, due to the change of porosity, oxygen concentration, and rate of coefficient of chemical reaction in the air electrode. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3590736] All rights reserved.
C1 [Zhang, G. Q.; Zheng, J. P.] Florida A&M Univ, Dept Elect & Comp Engn, Tallahassee, FL 32310 USA.
[Liang, R.; Zhang, C.; Wang, B.] Florida A&M Univ, Dept Ind & Mfg Engn, Tallahassee, FL 32310 USA.
[Zheng, J. P.] Florida State Univ, Ctr Adv Power Syst, Tallahassee, FL 32310 USA.
[Liang, R.; Zhang, C.; Wang, B.] Florida State Univ, High Performance Mat Inst, Tallahassee, FL 32310 USA.
[Au, M.] Savannah River Natl Lab, Aiken, SC 29808 USA.
[Hendrickson, M.; Plichta, E. J.] USA, Power Div, Army CERDEC, Ft Monmouth, NJ 07703 USA.
RP Zhang, GQ (reprint author), Florida A&M Univ, Dept Elect & Comp Engn, Tallahassee, FL 32310 USA.
EM zheng@eng.fsu.edu
RI zhang, guoqing/G-7798-2011
OI zhang, guoqing/0000-0001-5896-0483
FU US Army-CERDEC; Savannah River National Laboratory
FX This work was supported by US Army-CERDEC and Savannah River National
Laboratory.
NR 20
TC 91
Z9 96
U1 16
U2 173
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 7
BP A822
EP A827
DI 10.1149/1.3590736
PG 6
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 767QI
UT WOS:000290870700008
ER
PT J
AU Dufek, EJ
Lister, TE
McIlwain, ME
AF Dufek, Eric J.
Lister, Tedd E.
McIlwain, Michael E.
TI Influence of S Contamination on CO2 Reduction at Ag Electrodes
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID SILVER SULFIDE MONOLAYER; ELECTROCHEMICAL REDUCTION; METAL-ELECTRODES;
CARBON-DIOXIDE; SULFUR ADLAYERS; LOW-TEMPERATURE; DIMETHYL ETHER;
HIGH-PRESSURE; SYNGAS; GOLD
AB The influence of S poisoning on Ag electrodes for the production of synthesis gas (syn-gas) was evaluated at 20 and 70 degrees C using a flow-cell electrolysis system with a gas diffusion electrode (GDE). Before poisoning, a mixture of CO and H-2 (syn-gas) was produced. After exposure to Na2S at open circuit potential (OCP) the overpotential for H-2 evolution decreased resulting in a significant decrease in the Faradaic efficiency for CO. It was found that poisoning was mostly reversed by performing electrolysis at 20 degrees C in S free electrolyte but not at 70 degrees C. Measurements on planar disk electrodes showed distinct stripping waves for S adsorbed at OCP. The stripping waves were influenced by both temperature and the presence of CO2. These measurements show the potential dependant nature of electrode recovery where at elevated temperature adequate polarization to strip S was prevented by H-2 evolution. Poisoning during flow-cell operation led to a temporary decrease in CO produced which can be mostly recovered by exchanging the catholyte. SEM analysis of S-exposed GDEs demonstrated a blocking of the pore-structure at the GDE surface. Preliminary experiments with economical grades of CO2 showed only minor poisoning due to S-containing species leading to only marginal changes in syn-gas composition. (C) 2011 The Electrochemical Society. [DOI: 10.1149/2.051111jes] All rights reserved.
C1 [Dufek, Eric J.; Lister, Tedd E.; McIlwain, Michael E.] Idaho Natl Lab, Idaho Falls, ID 83415 USA.
RP Dufek, EJ (reprint author), Idaho Natl Lab, Idaho Falls, ID 83415 USA.
EM tedd.lister@inl.gov
RI Dufek, Eric/B-8847-2017
OI Dufek, Eric/0000-0003-4802-1997
FU INL Laboratory Directed Research and Development (LDRD) under DOE Idaho
Operations Office; Battelle Energy Alliance, LLC [DE-AC07-05ID14517];
U.S. Department of Energy
FX Work supported through the INL Laboratory Directed Research and
Development (LDRD) Program under DOE Idaho Operations Office. This
manuscript has been authored by Battelle Energy Alliance, LLC under
Contract No. DE-AC07-05ID14517 with the U.S. Department of Energy. The
United States Government retains and the publisher, by accepting the
article for publication, acknowledges that the United States Government
retains a nonexclusive, paid-up, irrevocable, world-wide license to
publish or reproduce the published form of this manuscript, or allow
others to do so, for United States Government purposes.
NR 32
TC 11
Z9 11
U1 3
U2 50
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 11
BP B1384
EP B1390
DI 10.1149/2.051111jes
PG 7
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 829ZL
UT WOS:000295626000023
ER
PT J
AU Khudhayer, WJ
Kariuki, NN
Wang, XP
Myers, DJ
Shaikh, AU
Karabacak, T
AF Khudhayer, Wisam J.
Kariuki, Nancy N.
Wang, Xiaoping
Myers, Deborah J.
Shaikh, Ali U.
Karabacak, Tansel
TI Oxygen Reduction Reaction Electrocatalytic Activity of Glancing Angle
Deposited Platinum Nanorod Arrays
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID PEM FUEL-CELLS; TEMPERATURE-DEPENDENCE; TUNGSTEN NANORODS; DISK
ELECTRODE; ACID-SOLUTIONS; CATALYSTS; SURFACES; GROWTH; MODEL;
NANOPARTICLES
AB The electrocatalytic oxygen reduction reaction (ORR) activity of vertically-aligned Pt nanorods has been evaluated utilizing cyclic voltammetry (CV) and rotating-disk electrode (RDE) techniques in a 0.1 M HClO(4) solution at temperatures ranging from 20 to 60 degrees C. A glancing angle deposition (GLAD) technique was used to fabricate Pt nanorod arrays on glassy carbon (GC) electrodes. GLAD catalyst nanorods, without any carbon support, have been produced at different lengths varying between 50 and 400 nm, corresponding to 0.04-0.32 mg/cm(2) Pt loadings, with diameter and spacing values ranging from about 5 up to 100 nm. The scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray diffraction (XRD) results reveal that Pt nanorods are well-isolated, vertically aligned, and single-crystal. Crystal orientation analysis demonstrates that large surface area Pt nanorod sidewalls are mainly dominated by Pt(110) planes, which is known to be the most active crystal plane of Pt for the ORR. Compared to a commercial high-surface-area-supported Pt (Pt/C) catalyst, the CV results show that the Pt-nanorod electrocatalyst exhibits a more positive oxide reduction peak potential, indicating that GLAD Pt nanorods are less oxophilic. Moreover, the nanorods exhibit enhanced stability against loss of electrochemically-active surface area as a result of potential cycling in acidic electrolyte as compared to the Pt/C catalyst. Specific ORR activities determined by the RDE technique for GLAD Pt nanorods of different lengths are analyzed and compared to literature values for polycrystalline Pt, nano-structured thin film Pt (3M NSTF Pt), and to those measured for Pt/C. RDE results reveal that Pt-nanorod electrocatalysts exhibit higher area-specific activity, higher electron-transfer rate constant, and comparable activation energy for ORR than those of Pt/C due to their larger crystallite size, single-crystal property, and dominance of the preferred crystal orientations for ORR. However, Pt nanorods show lower mass specific activity than that of Pt/C electrocatalyst due to the large diameter of nanorods. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3599901] All rights reserved.
C1 [Khudhayer, Wisam J.] Univ Arkansas, Dept Syst Engn, Little Rock, AR 72204 USA.
[Shaikh, Ali U.] Univ Arkansas, Dept Chem, Little Rock, AR 72204 USA.
[Karabacak, Tansel] Univ Arkansas, Dept Appl Sci, Little Rock, AR 72204 USA.
[Kariuki, Nancy N.; Wang, Xiaoping; Myers, Deborah J.] Argonne Natl Lab, Chem Sci & Engn Div, Argonne, IL 60439 USA.
RP Khudhayer, WJ (reprint author), Univ Arkansas, Dept Syst Engn, Little Rock, AR 72204 USA.
EM wjkhudhayer@ualr.edu
FU U.S. Department of Energy, Office of Energy Efficiency and Renewable
Energy; [DE-AC02-06CH11357]
FX The authors would like to thank the UALR Nanotechnology Center and Dr.
Fumiya Watanabe for his valuable support and discussions during SEM,
XRD, and TEM measurements. A portion of this research was conducted at
Argonne National Laboratory, a U.S. Department of Energy, Office of
Science Laboratory, operated by UChicago Argonne, LLC, under contract
no. DE-AC02-06CH11357. The Argonne National Laboratory authors would
like to acknowledge the support of the U.S. Department of Energy, Office
of Energy Efficiency and Renewable Energy, Fuel Cell Technologies
Program, program manager Nancy Garland.
NR 58
TC 27
Z9 27
U1 2
U2 46
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 8
BP B1029
EP B1041
DI 10.1149/1.3599901
PG 13
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 784JV
UT WOS:000292154300022
ER
PT J
AU Kienitz, B
Pivovar, B
Zawodzinski, T
Garzon, FH
AF Kienitz, Brian
Pivovar, Bryan
Zawodzinski, Tom
Garzon, Fernando H.
TI Cationic Contamination Effects on Polymer Electrolyte Membrane Fuel Cell
Performance
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID PLATINUM-ELECTRODES; PEMFC PERFORMANCE; OXYGEN REDUCTION; AMMONIA;
TRANSPORT; IMPURITY; KINETICS; IONOMER; H+
AB There are significant impacts to fuel cell performance when contaminant cations replace protons in the ionomer. The purpose of this paper is to directly correlate extent of cationic contamination with fuel cell performance and also to elucidate main mechanisms responsible for this performance degradation. A series of standard membrane electrode assemblies (MEAs) were contaminated by varying the ratio of protons to cesium cations in the ionomer phase. The amount of contamination was determined using X-ray Fluorescence (XRF) Spectroscopy. These MEAs were then run in fuel cell mode to determine fuel cell performance as a function of cationic contamination level. A strip cell configuration was also utilized to distinguish between ohmic, thermodynamic, and kinetic effects. Additionally, the distribution of contaminants was measured using XRF.
The decrease in fuel cell limiting current, power density, and membrane conductivity as a function of contamination level were quantified. Performance decreased monotonically with increased contamination. The cationic contaminant was preferentially located near the cathode of the strip cell under load. This distribution led to increases in thermodynamic and kinetic polarizations that were more important than changes in membrane conductivity. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3610986] All rights reserved.
C1 [Kienitz, Brian] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
[Pivovar, Bryan] Natl Renewable Energy Lab, Golden, CO 80401 USA.
[Zawodzinski, Tom] Univ Tennessee Knoxville, Knoxville, TN 37996 USA.
[Garzon, Fernando H.] Los Alamos Natl Lab, Los Alamos, NM 87545 USA.
RP Kienitz, B (reprint author), Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA.
EM bkienitz@wlgore.com
OI Kienitz, Brian/0000-0002-0648-0303
FU US DOE EERE
FX The authors wish to acknowledge the support of the US DOE EERE Hydrogen,
Fuel Cell and Infrastructure Technologies program.
NR 23
TC 17
Z9 17
U1 1
U2 25
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 9
BP B1175
EP B1183
DI 10.1149/1.3610986
PG 9
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 798BH
UT WOS:000293175600027
ER
PT J
AU Kusoglu, A
Kienitz, BL
Weber, AZ
AF Kusoglu, Ahmet
Kienitz, Brian L.
Weber, Adam Z.
TI Understanding the Effects of Compression and Constraints on Water Uptake
of Fuel-Cell Membranes
SO JOURNAL OF THE ELECTROCHEMICAL SOCIETY
LA English
DT Article
ID PERFLUORINATED IONOMER MEMBRANES; X-RAY-SCATTERING; POLYMER ELECTROLYTE
MEMBRANE; PERFLUOROSULFONIC ACID MEMBRANES; SMALL-ANGLE SCATTERING;
GAS-DIFFUSION LAYERS; SCHROEDERS-PARADOX; NAFION MEMBRANES; PROTON
TRANSPORT; PFSA MEMBRANES
AB Accurate characterization of polymer-electrolyte fuel cells (PEFCs) requires understanding the impact of mechanical and electrochemical loads on cell components. An essential aspect of this relationship is the effect of compression on the polymer membrane's water-uptake behavior and transport properties. However, there is limited information on the impact of physical constraints on membrane properties. In this paper, we investigate both theoretically and experimentally how the water uptake of Nafion membrane changes under external compression loads. The swelling of a compressed membrane is modeled by modifying the swelling pressure in the polymer backbone which relies on the changes in the microscopic volume of the polymer. The model successfully predicts the water content of the compressed membrane measured through in-situ swelling-compression tests and neutron imaging. The results show that external mechanical loads could reduce the water content and conductivity of the membrane, especially at lower temperatures, higher humidities, and in liquid water. The modeling framework and experimental data provide valuable insight for the swelling and conductivity of constrained and compressed membranes, which are of interest in electrochemical devices such as batteries and fuel cells. (C) 2011 The Electrochemical Society. [DOI: 10.1149/2.097112jes]
C1 [Kusoglu, Ahmet; Kienitz, Brian L.; Weber, Adam Z.] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
RP Kusoglu, A (reprint author), Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA.
EM azweber@lbl.gov
OI Kienitz, Brian/0000-0002-0648-0303; Weber, Adam/0000-0002-7749-1624;
Kusoglu, Ahmet/0000-0002-2761-1050
FU Office of Fuel Cell Technologies, of the U.S. Department of Energ
[DE-AC02-05CH11231]
FX This work was funded by the Assistant Secretary for Energy Efficiency
and Renewable Energy, Office of Fuel Cell Technologies, of the U.S.
Department of Energy under contract number DE-AC02-05CH11231.
Additionally, the authors thank Dr. Rodney Borup for helpful
discussions. We would also like to thank Ray Tang, Ron Walker, and
Jae-Wan Park of University of California at Davis for their kind help
with facilitating the use of equipment at McCellan Nuclear Research
Center (MNRC) for the ex-situ water imaging. Lastly, we gratefully
acknowledge Craig Gittleman and Yeh-hung Lai of the Electrochemical
Energy Research Lab at General Motors for their insightful comments and
providing the fixture for the compression experiments.
NR 83
TC 31
Z9 31
U1 4
U2 38
PU ELECTROCHEMICAL SOC INC
PI PENNINGTON
PA 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
SN 0013-4651
J9 J ELECTROCHEM SOC
JI J. Electrochem. Soc.
PY 2011
VL 158
IS 12
BP B1504
EP B1514
DI 10.1149/2.097112jes
PG 11
WC Electrochemistry; Materials Science, Coatings & Films
SC Electrochemistry; Materials Science
GA 860WP
UT WOS:000297979300043
ER
EF