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Baek, Jihyun, Md Delowar Hossain, Pinaki Mukherjee, Junghwa Lee, Kirsten T. Winther, Juyoung Leem, Yue Jiang, William C. Chueh, Michal Bajdich, and Xiaolin Zheng. “Synergistic Effects of Mixing and Strain in High Entropy Spinel Oxides for Oxygen Evolution Reaction.” Nature Communications 14, no. 1 (September 23, 2023): 5936. https://doi.org/10.1038/s41467-023-41359-7.
Durán, Ana De La Fuente, Allen Yu-Lun Liang, Ilaria Denti, Hang Yu, Drew Pearce, Adam Marks, Emily Penn, et al. “Origins of Hydrogen Peroxide Selectivity during Oxygen Reduction on Organic Mixed Ionic-Electronic Conducting Polymers.” Energy & Environmental Science, September 21, 2023. https://doi.org/10.1039/D3EE02102E.
Stegner, M Allison, Elizabeth A Hadly, Anthony D Barnosky, SeanPaul La Selle, Brian Sherrod, R Scott Anderson, Sergio A Redondo, et al. “The Searsville Lake Site (California, USA) as a Candidate Global Boundary Stratotype Section and Point for the Anthropocene Series.” The Anthropocene Review, January 16, 2023, 205301962211440. https://doi.org/10.1177/20530196221144098.
Griggs, Sophie, Adam Marks, Dilara Meli, Gonzague Rebetez, Olivier Bardagot, Bryan D. Paulsen, Hu Chen, et al. “The Effect of Residual Palladium on the Performance of Organic Electrochemical Transistors.” Nature Communications 13, no. 1 (December 27, 2022): 7964. https://doi.org/10.1038/s41467-022-35573-y.
Joe-Wong, Claresta, Karrie L. Weaver, Shaun T. Brown, and Kate Maher. “Chromium Isotope Fractionation during Reduction of Chromium(VI) by Iron(II/III)-Bearing Clay Minerals.” Geochimica et Cosmochimica Acta 292 (2021): 235–53. https://doi.org/https://doi.org/10.1016/j.gca.2020.09.034.
Bone, Sharon E., John Cliff, Karrie Weaver, Christopher J. Takacs, Scott Roycroft, Scott Fendorf, and John R. Bargar. “Complexation by Organic Matter Controls Uranium Mobility in Anoxic Sediments.” Environmental Science & Technology 54, no. 3 (December 2019): 1493–1502. https://doi.org/10.1021/acs.est.9b04741.
Forsyth, Jenna E., Karrie L. Weaver, Kate Maher, M. Saiful Islam, Rubhana Raqib, Mahbubur Rahman, Scott Fendorf, and Stephen P. Luby. “Sources of Blood Lead Exposure in Rural Bangladesh.” Environmental Science & Technology 53, no. 19 (September 2019): 11429–36. https://doi.org/10.1021/acs.est.9b00744.
Joe-Wong, Claresta, Karrie L. Weaver, Shaun T. Brown, and Kate Maher. “Thermodynamic Controls on Redox-Driven Kinetic Stable Isotope Fractionation.” Geochemical Perspectives Letters 10 (2019): 20–25. https://doi.org/doi: 10.7185/geochemlet.1909.
Lefebvre, Pierre, Vincent Noël, Kimberly V. Lau, Noah E. Jemison, Karrie L. Weaver, Kenneth H. Williams, John R. Bargar, and Kate Maher. “Isotopic Fingerprint of Uranium Accumulation and Redox Cycling in Floodplains of the Upper Colorado River Basin.” Environmental Science & Technology 53, no. 7 (2019): 3399–3409. https://doi.org/10.1021/acs.est.8b05593.
Joe-Wong, Claresta. “A Model for Kinetic Isotope Effects during Redox Reactions and Applications to Chromium(VI) Reduction.” PhD Thesis, Stanford University, 2019.
Gleason, A. E., C. A. Bolme, E. Galtier, H. J. Lee, E. Granados, D. H. Dolan, C. T. Seagle, et al. “Compression Freezing Kinetics of Water to Ice VII.” Phys. Rev. Lett. 119, no. 2 (July 2017): 025701. https://doi.org/10.1103/PhysRevLett.119.025701.
Jost, Adam B, Aviv Bachan, Bas van de Schootbrugge, Kimberly V Lau, Karrie L Weaver, Kate Maher, and Jonathan L Payne. “Uranium Isotope Evidence for an Expansion of Marine Anoxia during the End-Triassic Extinction.” Geochemistry, Geophysics, Geosystems 18, no. 8 (2017): 3093–3108. https://doi.org/10.1002/2017GC006941.
Lau, Kimberly V., Francis A. Macdonald, Kate Maher, and Jonathan L. Payne. “Uranium Isotope Evidence for Temporary Ocean Oxygenation in the Aftermath of the Sturtian Snowball Earth.” Earth and Planetary Science Letters 458 (2017): 282–92. https://doi.org/http://dx.doi.org/10.1016/j.epsl.2016.10.043.
Lau, Kimberly V., Kate Maher, Shaun T. Brown, Adam B. Jost, Demir Altıner, Donald J. DePaolo, Anton Eisenhauer, et al. “The Influence of Seawater Carbonate Chemistry, Mineralogy, and Diagenesis on Calcium Isotope Variations in Lower-Middle Triassic Carbonate Rocks.” Chemical Geology 471 (2017): 13–37. https://doi.org/https://doi.org/10.1016/j.chemgeo.2017.09.006.
Lau, Kimberly V., Kate Maher, Demir Altiner, Brian M. Kelley, Lee R. Kump, Daniel J. Lehrmann, Juan Carlos Silva-Tamayo, Karrie L. Weaver, Meiyi Yu, and Jonathan L. Payne. “Marine Anoxia and Delayed Earth System Recovery after the End-Permian Extinction.” Proceedings of the National Academy of Sciences 113, no. 9 (2016): 2360–65. https://doi.org/10.1073/pnas.1515080113.
Ibarra, Daniel E, Anne Egger, Brian N Marion, Karrie L Weaver, and Katharine Maher. “Refining Shoreline Hydrograph Chronology and Hydroclimate Estimates for Pleistocene Lake Surprise, California,” 2016.
Lau, Kimberly V, Adam B Jost, Jonathan Payne, Claire Miles, and Katharine Maher. “Evaluating Uranium Isotopes in Carbonates and Implications for Reconstructing Marine Paleoredox Conditions,” 2016.
Brown, Shaun T, Anirban Basu, John N Christensen, Paul Reimus, Jeffrey Heikoop, Ardyth Simmons, Giday Woldegabriel, et al. “Isotopic Evidence for Reductive Immobilization of Uranium across a Roll-Front Mineral Deposit.” Environmental Science & Technology 50, no. 12 (2016): 6189–98. https://doi.org/DOI: 10.1021/acs.est.6b00626.
Lefebvre, Pierre, Vincent Noël, Noah Jemison, Karrie Weaver, John Bargar, and Kate Maher. “Uranium Bio-Accumulation and Cycling as Revealed by Uranium Isotopes in Naturally Reduced Sediments from the Upper Colorado River Basin.” Geophysical Research Abstracts 18, no. EGU2016-11320–1 (2016).
Roycroft, Scott, Vincent Noël, Kristin Boye, Clemence Besancon, Karrie L Weaver, Raymond H Johnson, William L Dam, Scott E Fendorf, and John Bargar. “Hydrologic and Temporal Influences of Evaporite Minerals on the Vertical Distribution, Storage, and Mobility of Uranium,” 2016.
Maher, Kate, Natalie C. Johnson, Ariel Jackson, Laura N. Lammers, Abe B. Torchinsky, Karrie L. Weaver, Dennis K. Bird, and Gordon E. Brown Jr. “A Spatially Resolved Surface Kinetic Model for Forsterite Dissolution.” Geochimica et Cosmochimica Acta 174 (2016): 313–34. https://doi.org/http://dx.doi.org/10.1016/j.gca.2015.11.019.
Lau, Kimberly V. “Isotopic Constraints on the Marine Environment and Biogeochemical Cycles during Major Periods of Animal Evolution and Extinction.” PhD Thesis, Stanford University, 2016.
Jost, Adam B. “Constraining Ocean Acidification and Anoxia during the End-Guadalupian and End-Triassic Extinctions with Calcium and Uranium Isotopes.” PhD Thesis, Stanford University, 2015.
Basu, A, S T Brown, J N Christensen, D J DePaolo, P W Reimus, J M Heikoop, K Schilling, and T M Johnson. “Uranium Remediation at an in Situ Recover (ISR) Site: Isotope Ratios as Indicators of Reducing Environments.” Goldschmidt Geochemistry Conference, 2014. http://goldschmidt.info/2014/abstracts/abstractView?abstractId=3971.
Nelson, J, J Bargar, G Brown, and K Maher. “Peering onto Nanopores: XAS Studies of Zn Absorption under Confinement.” Goldschmidt Geochemistry Conference, 2014. http://goldschmidt.info/2014/abstracts/abstractView?abstractId=3275.
Thomas, D, D Bird, S Arnorsson, G Brown, and K Maher. “CO2 Uptake and Trace Element Mobilization in Icelandic Geothermal Systems.” Goldschmidt Geochemistry Conference, 2014. http://goldschmidt.info/2014/abstracts/abstractView?abstractId=3519.
Johnson, N, K Maher, B Thomas, R Rosenbauer, D Bird, and G Brown. “Uptake of Isotopic Spike by Si-Rich Alteration Layer during Olivine Dissolution.” Goldschmidt Geochemistry Conference, 2014. http://goldschmidt.info/2014/abstracts/abstractView?abstractId=4449.
Nuriel, P, D Miller, K Schmidt, and K Maher. “What Can Fault-Related Opals Tell Us about Brittle Fault Behavior?” Goldschmidt Geochemistry Conference, 2014. http://goldschmidt.info/2014/abstracts/abstractView?abstractId=2133.
Jost, A B, A Bachan, B Van Der Schootbrugge, D J DePaolo, and J L Payne. “Calcium Isotope Evidence for End-Triassic Ocean Acidification.” Goldschmidt Geochemistry Conference, 2014. http://goldschmidt.info/2014/abstracts/abstractView?abstractId=4652.
Lau, K, K Maher, L Kump, B Kelley, D Lehrmann, M Yu, and J Payne. “Extent of Early Triassic Global Marine Anoxia from Multiple Uranium Isotope Records and Numerical Modeling.” Goldschmidt, 2014. http://goldschmidt.info/2014/abstracts/abstractView?abstractId=4070.
Jost, Adam B., Roland Mundil, Bin He, Shaun T. Brown, Demir Altiner, Yadong Sun, Donald J. DePaolo, and Jonathan L. Payne. “Constraining the Cause of the End-Guadalupian Extinction with Coupled Records of Carbon and Calcium Isotopes.” Earth and Planetary Science Letters 396 (2014): 201–12. http://www.sciencedirect.com/science/article/pii/S0012821X14002465.
Maher, K, N Johnson, L Nielsen, K Weaver, D Bird, and Jr G Brown. “An ‘Ion-by-Ion’ Model for Kinetic Isotope Fractionation during Mineral Dissolution.” Goldschmidt Geochemistry Conference, 2014.
Ibarra, Daniel E, Anne E Egger, Karrie L Weaver, Caroline R Harris, and Kate Maher. “Rise and Fall of Late Pleistocene Pluvial Lakes in Response to Reduced Evaporation and Precipitation: Evidence from Lake Surprise, California.” Geological Society of America Bulletin 126, no. 11–12 (2014): 1387–1415. https://doi.org/10.1130/B31014.1.
Johnson, Natalie C. “Mineral Carbonation for Subsurface Carbon Storage [Electronic Resource] : An Experimental Investigation of Olivine (Mg, Fe)2SiO4 Dissolution and Carbonation.” PhD Thesis, Stanford University, 2014.
Ibarra, Daniel E. “Applying Uranium-Series Isotope Geochemistry and Geochronology to Great Basin Pleistocene Paleohydrology.” Master’s Thesis, Stanford University, 2013.
Torchinsky, Daniel Abraham Beer. “An Assessment of Global Magnesium Cycle and Approaches to Magnesium Isotope Measurement of Terrestrial Material by MC-ICP-MS.” Master’s Thesis, Stanford University, 2012.
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Publication acknowledgement
Work was performed in part in the Stanford SIGMA Facility with support from the Stanford Doerr School of Sustainability and Stanford Nano Shared Facilities (SNSF)/Stanford Nanofabrication Facility (SNF) under National Science Foundation award ECCS-2026822.
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