John Bargar

Research interests

Publications

• Uranium(IV) adsorption by natural organic matter in anoxic sediments

  Proceedings of the National Academy of Sciences · 2017 · 10.1073/pnas.1611918114

• Thermodynamically controlled preservation of organic carbon in floodplains

  Nature Geoscience · 2017 · https://doi.org/10.1038/ngeo2940

• Identification of Highly Active Fe Sites in (Ni,Fe)OOH for Electrocatalytic Water Splitting

  Journal of the American Chemical Society · 2015 · https://doi.org/10.1021/ja511559d

• Persistence of uranium groundwater plumes: Contrasting mechanisms at two DOE sites in the groundwater–river interaction zone

  Journal of Contaminant Hydrology · 2013 · 10.1016/j.jconhyd.2013.02.001

• Uranium redox transition pathways in acetate-amended sediments

  Proceedings of the National Academy of Sciences · 2013 · 10.1073/pnas.1219198110

• Environmental Speciation of Actinides

  Inorganic Chemistry · 2012 · https://doi.org/10.1021/ic301686d

• Adsorption of Uranium(VI) to Manganese Oxides: X-ray Absorption Spectroscopy and Surface Complexation Modeling

  Environmental Science & Technology · 2012 · 10.1021/es304454g

• Bioremediation of uranium-contaminated groundwater: a systems approach to subsurface biogeochemistry

  Current Opinion in Biotechnology · 2012 · 10.1016/j.copbio.2012.10.008

• Uranium Isotope Fractionation during Adsorption to Mn-Oxyhydroxides

  Environmental Science & Technology · 2011 · 10.1021/es103061v

• Non-uraninite Products of Microbial U(VI) Reduction

  Environmental Science & Technology · 2010 · 10.1021/es101675a

• Bacteriogenic Manganese Oxides

  Accounts of Chemical Research · 2009 · 10.1021/ar800232a

• Biogenic Uraninite Nanoparticles and Their Importance for Uranium Remediation

  Elements · 2008 · 10.2113/gselements.4.6.407

• Biotic and abiotic products of Mn(II) oxidation by spores of the marine Bacillus sp. strain SG-1

  American Mineralogist · 2005 · 10.2138/am.2005.1557

• ATR-FTIR spectroscopic characterization of coexisting carbonate surface complexes on hematite

  Geochimica et Cosmochimica Acta · 2005 · 10.1016/j.gca.2004.08.002

• Evidence for the presence of Mn(III) intermediates in the bacterial oxidation of Mn(II)

  Proceedings of the National Academy of Sciences · 2005 · 10.1073/pnas.0409119102

• Mechanisms of Pb(II) Sorption on a Biogenic Manganese Oxide

  Environmental Science & Technology · 2004 · 10.1021/es049434a

• BIOGENIC MANGANESE OXIDES: Properties and Mechanisms of Formation

  Annual Review of Earth and Planetary Sciences · 2004 · https://doi.org/10.1146/annurev.earth.32.101802.120213

• Characterization of the manganese oxide produced by pseudomonas putida strain MnB1

  Geochimica et Cosmochimica Acta · 2003 · https://doi.org/10.1016/s0016-7037(03)00217-5

• Mechanisms of Uranium Interactions with Hydroxyapatite: Implications for Groundwater Remediation

  Environmental Science & Technology · 2001 · 10.1021/es0108483

• In situ characterization of Mn(II) oxidation by spores of the marine Bacillus sp. strain SG-1

  Geochimica et Cosmochimica Acta · 2000 · 10.1016/s0016-7037(00)00368-9

• Characterization of U(VI)-carbonato ternary complexes on hematite: EXAFS and electrophoretic mobility measurements

  Geochimica et Cosmochimica Acta · 2000 · 10.1016/s0016-7037(00)00398-7

• Spectroscopic Confirmation of Uranium(VI)−Carbonato Adsorption Complexes on Hematite

  Environmental Science & Technology · 1999 · 10.1021/es990048g

• Surface Precipitation of Co(II)(aq) on Al2O3

  Journal of Colloid and Interface Science · 1997 · 10.1006/jcis.1996.4539

• Surface complexation of Pb(II) at oxide-water interfaces: II. XAFS and bond-valence determination of mononuclear Pb(II) sorption products and surface functional groups on iron oxides

  Geochimica et Cosmochimica Acta · 1997 · 10.1016/s0016-7037(97)00125-7

• Surface complexation of Pb(II) at oxide-water interfaces: I. XAFS and bond-valence determination of mononuclear and polynuclear Pb(II) sorption products on aluminum oxides

  Geochimica et Cosmochimica Acta · 1997 · 10.1016/s0016-7037(97)00124-5

Current projects

No projects listed.