Zobrazeno 1 - 10
of 12
pro vyhledávání: '"K. L. Weaver"'
Publikováno v:
Geochimica et Cosmochimica Acta. 292:235-253
Chromium stable isotope ratios are used to trace the reduction of Cr(VI) to Cr(III) in both ancient and modern systems. However, quantitative interpretation of Cr isotopic signatures has been stymied by the large variability in isotopic fractionation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a1f94a77f174251671af4323d729eb6d
https://doi.org/10.1016/j.gca.2020.09.034
https://doi.org/10.1016/j.gca.2020.09.034
Publikováno v:
Geochemical Perspectives Letters. :20-25
Author(s): Joe-Wong, C; Weaver, KL; Brown, ST; Maher, K | Abstract: Stable isotope fractionation arising from redox reactions has the potential to illuminate the oxygenation of Earth's interior, oceans, and atmosphere. However, reconstruction of past
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6feec213eed8d6c6d5d8adc563bffa80
https://doi.org/10.7185/geochemlet.1909
https://doi.org/10.7185/geochemlet.1909
Autor:
Scott Roycroft, K. L. Weaver, John R. Bargar, John Cliff, Christopher J. Takacs, Sharon E. Bone, Scott Fendorf
Publikováno v:
Environmental sciencetechnology. 54(3)
Uranium contamination threatens the availability of safe and clean drinking water globally. This toxic element occurs both naturally and as a result of mining and ore-processing in alluvial sediments, where it accumulates as tetravalent U [U(IV)], a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a39bb99423ff9a9fe14a3fce4b14856a
https://pubmed.ncbi.nlm.nih.gov/31886668
https://pubmed.ncbi.nlm.nih.gov/31886668
Autor:
Pierre Lefebvre, K. L. Weaver, Kate Maher, John R. Bargar, Noah E. Jemison, Kimberly V. Lau, Vincent Noel, Kenneth H. Williams
Publikováno v:
Environmental Science and Technology
Environmental Science and Technology, American Chemical Society, 2019, 53 (7), pp.3399-3409. ⟨10.1021/acs.est.8b05593⟩
Environmental science & technology, vol 53, iss 7
Environmental Science and Technology, 2019, 53 (7), pp.3399-3409. ⟨10.1021/acs.est.8b05593⟩
Environmental Science and Technology, American Chemical Society, 2019, 53 (7), pp.3399-3409. ⟨10.1021/acs.est.8b05593⟩
Environmental science & technology, vol 53, iss 7
Environmental Science and Technology, 2019, 53 (7), pp.3399-3409. ⟨10.1021/acs.est.8b05593⟩
International audience; Uranium (U) groundwater contamination is a major concern at numerous former mining and milling sites across the Upper Colorado River Basin (UCRB), USA, where U(IV)-bearing solids have accumulated within naturally reduced zones
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a7ea4581a5b1defc48a4b80f0fedf9b9
https://hal.sorbonne-universite.fr/hal-02881407
https://hal.sorbonne-universite.fr/hal-02881407
Autor:
Jonathan L. Payne, Kimberly V. Lau, Brian M. Kelley, Meiyi Yu, K. L. Weaver, Juan Carlos Silva-Tamayo, Daniel J. Lehrmann, Lee R. Kump, Kate Maher, Demir Altiner
Publikováno v:
Proceedings of the National Academy of Sciences. 113:2360-2365
Delayed Earth system recovery following the end-Permian mass extinction is often attributed to severe ocean anoxia. However, the extent and duration of Early Triassic anoxia remains poorly constrained. Here we use paired records of uranium concentrat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c54a3d8240b977407d1b30d517e1ac89
https://doi.org/10.1073/pnas.1515080113
https://doi.org/10.1073/pnas.1515080113
Autor:
Kate Maher, Gordon E. Brown, Dennis K. Bird, K. L. Weaver, Laura N. Lammers, Abe B. Torchinsky, Ariel Jackson, Natalie C. Johnson
Publikováno v:
Geochimica et Cosmochimica Acta. 174:313-334
The development of complex alteration layers on silicate mineral surfaces undergoing dissolution is a widely observed phenomenon. Given the complexity of these layers, most kinetic models used to predict rates of mineral–fluid interactions do not e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::231d0aea5674ae29ddba242d256c47e4
https://doi.org/10.1016/j.gca.2015.11.019
https://doi.org/10.1016/j.gca.2015.11.019
Publikováno v:
Geological Society of America Bulletin. 126:1387-1415
Widespread late Pleistocene lake systems of the Basin and Range Province indicate substantially greater moisture availability during glacial periods relative to modern times, but the climatic factors that drive changes in lake levels are poorly const
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d0b6a162116b11f69d01899e2c04888
https://doi.org/10.1130/b31014.1
https://doi.org/10.1130/b31014.1
Autor:
Ardyth M. Simmons, Anirban Basu, Jeffrey M. Heikoop, Paul W. Reimus, James T. Clay, Shaun T. Brown, Kate Maher, Giday WoldeGabriel, John N. Christensen, Donald J. DePaolo, K. L. Weaver
Publikováno v:
Environmental sciencetechnology. 50(12)
We use uranium (U) isotope ratios to detect and quantify the extent of natural U reduction in groundwater across a roll front redox gradient. Our study was conducted at the Smith Ranch-Highland in situ recovery (ISR) U mine in eastern Wyoming, USA, w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d5ca0a2cc1059bdcf6bbcc90b58e109
https://pubmed.ncbi.nlm.nih.gov/27203292
https://pubmed.ncbi.nlm.nih.gov/27203292
Publikováno v:
British Journal of Pharmacology. 151:1103-1108
Background and purpose: Studies were designed to examine the effects of dietary fats on metabolic effects of 3,4-methylenedioxymethamphetamine (MDMA, Ecstasy). These effects included hyperthermia, expression of uncoupling protein (UCP1 and 3) in brow
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8887fab14a5debcf5c2379b82c2c582
https://doi.org/10.1038/sj.bjp.0707312
https://doi.org/10.1038/sj.bjp.0707312
Autor:
Katalin M. Gothard, Yu-Lin Qin, Hemant S. Kudrimoti, Jason L. Gerrard, M Suster, K L Weaver, Bruce L. McNaughton, Min Whan Jung, William E. Skaggs, Carol A. Barnes, James J. Knierim
Publikováno v:
Journal of Experimental Biology. 199:173-185
Hippocampal ‘place’ cells and the head-direction cells of the dorsal presubiculum and related neocortical and thalamic areas appear to be part of a preconfigured network that generates an abstract internal representation of two-dimensional space
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba2d84a429ad30f4d5a5fc941ccf53db
https://doi.org/10.1242/jeb.199.1.173
https://doi.org/10.1242/jeb.199.1.173