All abstracts by John R. Bargar in conference series: Goldschmidt

(2019) Formation Mechanisms of Trace Metal-Bearing Sulfide Minerals in Acidic and Saline Environments
Le Pape P, Ona-Nguema G, Juillot F, Blanchard M, Noël V, Ikogou M, Brest J, Battaglia-Brunet F, Casiot C, Bargar JR & Morin G

(2019) Redox Cycling of Uranium Phosphate Minerals in a Mining-Contaminated Wetland
Stetten L, Blanchart P, Mangeret A, Lefebvre P, Le Pape P, Bargar JR, Cazala C & Morin G

(2019) Fluid-Mineral-Organic Interactions and Contaminant Release in Shale Reservoirs
Harrison A, Li Q, Jew A, Dustin M, Kiss A, Thomas D, Joe-wong C, Bargar J, Brown G & Maher K

(2019) Uranium Mobilization Across Saturated-Unsaturated Interfaces
Roycroft S, Boye K, Perzan Z, Johnson R, Dam W, Noel V, Fendorf S & Bargar J

(2019) Influence of Redox Interfaces on Arsenic Mobility
Kumar N, Boye K, Noel V, Planer-Friedrich B, Bargar J, Brown G & Fendorf S

(2019) Unforeseen Reaction Pathways of U(VI) with Fe(II) Limiting U(IV) Formation
Dewey C, Bargar J & Fendorf S

(2018) Crystal-Chemistry of Trace Metals in the Lagoon Sediments of New Caledonia
Merrot P, Juillot F, Noël V, Viollier E, Menguy N, Bargar J & Morin G

(2018) Microbial Energetics, Carbon, and the Progression of Redox Reactions in Flooded Soils
Boye K, Herrmann A, Bobb C, Tolar B, Noel V, Bargar J, Maher K & Fendorf S

(2018) Hydrologic and Thermodynamic Drivers Seasonally Shift Floodplain Soils between Two Redox States
Bobb C, Boye K, Tolar B, Bargar JR & Maher K

(2018) The Role of Iron Complexation in the Production of Reactive Oxygen Species and CO₂ in Arctic Soil Waters
Trusiak A, Treibergs L, Kling G, Bargar J, Noël V & Cory R

(2018) Influences of Organic Matter on U Retention and Mobilization in Contaminated Aquifers
Bone S, Cliff J, Jones M, Cahill M, Roycroft S, Dynes J, Fendorf S & Bargar J

(2018) Combining Hydrology and Redox Cycling: A New Model to Consider for U Transport?
Noël V, Boye K, Kukkadapu R & Bargar J

(2018) Role of Iron in Dissolved Organic Carbon Degradation in the Arctic
Cory R, Trusiak A, Ward C, Kling G, Noël V & Bargar J

(2017) Fe and S Speciation to Track Redox Constraints on Shallow Alluvial Sediments: Implications for U Storage and Stability
Noël V, Boye K, Kukkadapu R, Lezama Pacheco J, Fendorf S, Roycroft S & Bargar J

(2017) Investigation of Organic Matter in Uranium-Enriched Sediments
Dynes J, Noel V, Bone S & Bargar J

(2017) Geochemistry of Shale-Fluid Reactions at Pore and Fracture Scales
Bargar J, Jew A, Harrison A, Kiss A, Kohli A, Li Q, Maher K & Brown G

(2017) Partitioning of Uranyl between Ferrihydrite and Humic Substances at Acidic and Circum-Neutral pH
Dublet G, Lezama Pacheco J, Bargar JR, Fendorf S, Kumar N, Lowry GV & Brown GE

(2017) Towards a Mechanistic Understanding of Metal Isotope Fractionation Using Spectroscopic and Theoretical Approaches
Maher K, Wasylenki L, Nelson J, Joe-Wong C, Bargar J & Brown Jr. G

(2017) Carbon in Transit – Implications of Microbial Energetics for Carbon and Contaminant Fate in Transitory Systems
Boye K, Tfaily MM, Herrmann A, Noël V, Bargar JR & Fendorf S

(2017) Alteration of Porosity and Permeability within a Shale Matrix during Hydraulic Fracturing
Li Q, Jew A, Harrison A, Kiss A, Brown Jr. G, Bargar J & Maher K

(2017) Redox, Hydrological, and Molecular Controls over Uranium Mobility in Redox-Variable Aquifers
Bargar J, Noël V, Bone S, Roycroft S, Dam W, Johnson R & Williiams K

(2016) Imprints of Thermodynamic Constraints on Microbial Carbon Oxidation in Floodplains
Boye K, Noël V, Cardarelli E, Tfaily M, Dam W, Bargar J & Fendorf S

(2016) Physical and Chemical Alteration of Shales during Hydraulic Fracturing
Harrison AL, Jew A, Dustin M, Kiss A, Kohli A, Thomas D, Joe-Wong C, Liu Y, Lim J-H, Brown G, Maher K & Bargar J

(2015) Nanocrystalline and Non-Crystalline U(IV) in the Subsurface
Bone S & Bargar J

(2015) Uranium Biogeochemistry: Nanometer to Regional Scales
Bargar J, Williams K, Bone S, Boye K, Janot N & Noel V

(2015) Regional Importance of Organic-Rich Sediments to Uranium Mobility in the Upper Colorado River Basin
Noël V, Bargar J, Boye K, Cardarelli E, Bone S, Lezama-Pacheco J, Williams K, Dam W, Bush R, Dayvault J, Linard J, Kautsky M, Johnson R & Goodknight G

(2015) Characterization and Impact of Organic-Rich Sediments on Uranium Behavior in the Rifle Aquifer, CO
Janot N, Lezama-Pacheco J, Pham D, O'Brien T, Hausladen D, Williams K, Long P, Fendorf S & Bargar J

(2014) Effect of Humic Substances on the Affinity of Ferrihydrite for U(VI)
Dublet G, Brown GE, Bargar JR, Janot N & Fendorf S

(2014) Geochemical Drivers of Organic Matter Degradation in Arctic Tundra
Herndon E, Mann B, Bargar J, Graham D, Wullschleger S, Gu B & Liang L

(2014) U(IV) Complexation by Sedimentary Organic Matter
Bone S, Dynes J, Regier T, Jones M, Fendorf S & Bargar J

(2014) Diffusion-Limited Controls on U, Fe, and S Cycling in Organic-Rich Sediments
Jones M, Bargar J & Fendorf S

(2014) A Floodplain Perspective on Elemental Cycling and Uranium Plume Persistence
Williams K & Bargar J

(2014) Reactions of Soil Organic Matter with Iron and Iron-Oxides on its Sorption, Transport and Degradation
Gu B, Herndon E, Mann B, Bargar J, Wullschleger S, Graham D & Liang L

(2014) Effect of Groundwater Solutes on Uraninite Stability: Laboratory and Field Studies
Cerrato J, Lezama-Pacheco J, Williams K, Long P, Alessi D, Suvorova E, Bernier-Latmani R, Giammar D & Bargar J

(2014) Bioremediation to Plume Persistence: Uranium Biogeochemistry in Naturally and Artificially Bioreduced Aquifer Sediments
Bargar J, Janot N, Alessi D, Jones M, Williams K, Long P, Bernier-Latmani R & Cerrato J

(2014) Peering into Nanopores: XAS Studies of Zn Adsorption Under Confinement
Nelson J, Bargar J, Brown G & Maher K

(2014) Controls on U(IV) Speciation in Biological and Abiotic Systems
Bernier-Latmani R, Stylo M, Wang Y, Shao P, Bargar J, Neubert N & Weyer S

(2013) Accumulation Mechanisms and Bonding of High-Tech Metals in Marine Ferromanganese Crusts
Koschinsky A, Hein J, Mohwinkel D, Foster A & Bargar J

(2013) Uranyl on Mg-Rich Minerals: Polarisation Dependent EXAFS
van Veelen A, Copping R, Law GTW, Smith AJ, Bargar JR, Shuh DK & Wogelius RA

(2013) Sorption of Cobalt and Nickel by Biogenic Birnessite
Pena J, Simanova AA, Bargar JR & Sposito G

(2013) Fe and S Redox Cycling during a Biostimulation Episode at the Old Rifle, CO Aquifer
Janot N, Lezama-Pacheco J, Alessi D, Bernier-Latmani R, Suvorova E, Cerrato J, Giammar D, Yang L, Davis J, Fox P, Williams K, Long P, Handley K & Bargar J

(2013) A Bimodal Crystallite Size Distribution for Mackinawite (FeS)
Bone S, Sposito G & Bargar J

(2013) Oxidative Corrosion of Uraninite (UO₂) Surfaces
Stubbs J, Eng P, Biwer C, Chaka A, Waychunas G & Bargar J

(2013) Spectroscopic Studies of Radionuclide Adsorption and Diffusion
Wogelius R, van Veelen A, Zou B, Bargar J, Brown, Jr. G, Grime G & Law G

(2013) Speciation of Uranium Products Formed during in situ Biostimulation of the Old Rifle, CO Aquifer
Alessi D, Janot N, Lezama-Pacheco J, Suvorova E, Cerrato J, Giammar D, Fox P, Williams K, Long P, Handley K, Wrighton K, Miller C, Yang L, Bernier-Latmani R & Bargar J

(2013) Microbial Extracellular Polymeric Substances Modulate the Product of Uranium Biomineralization
Bernier-Latmani R, Shao PP, Comolli LR, Stylo M, Alessi DS & Bargar JR

(2013) Ni Sorption at the Particle Edges of Synthetic and Biogenic Birnessite
Simanova AA, Bone SE, Bargar JR, Sposito G & Pena J

(2013) Effects of Sediment Porosity and Particulate Organic Carbon on Fe, S and U Cycling in Naturally Reduced Zones (NRZs) of a Contaminated Aquifer
Jones M, Janot N, Bargar J & Fendorf S

(2013) Biogeochemical Controls on the Product of Microbial U(VI) Reduction
Stylo M, Alessi DS, Shao PP-Y, Lezama-Pacheco J, Bargar J & Bernier-Latmani R

(2012) Oxidative Corrosion of the Uraninite (111) Surface
Stubbs J, Eng P, Biwer C, Chaka A, Waychunas G & Bargar J

(2012) Manipulating Uranium Redox Status in an Alluvial Aquifer: Insights from Electron Donor Amendment Experiments
Long P, Williams K, Banfield J, Bargar J, Davis J, Fox P, Handley K, Hatfield K, Lovley D, Verberkmoes N, Wilkins M, Wrighton K, Yabusaki S & Science Team RI

(2012) Modulation of the Product of U(VI) Reduction by Phosphate and Calcium
Stylo M, Allesi D, Lezama-Pacheco J, Bargar J & Bernier-Latmani R

(2012) Impact of Biological Mn(II) Oxidation on the Fate of Subsurface U(IV)
Plathe K, Lee S-W, Wang Z, Giammar D, Tebo B, Bargar J & Bernier-Latmani R

(2012) Effects of Common Groundwater Constituents on Coupled Mn(II)/U(IV) Oxidation by Bacillus sp. SG-1
Lee S-W, Plathe K, Wang Z, Lezama-Pacheco J, Bargar J, Giammar D, Bernier-Latmani R & Tebo B

(2012) Linking Mackinawite (FeS) Structure to Redox Activity
Bone S, Kwon K, Bargar J & Sposito G

(2012) Stability and Transformation of Monomeric U(IV) Species at the Rifle, Colorado IFRC Field Site
Alessi DS, Stylo M, Lezama-Pacheco JS, Stubbs JE, Dunham-Cheatham SM, Janot N, Bargar JR, Campbell KM, Long PE & Bernier-Latmani R

(2012) Trace Metal Complexation and Dissolution by the Triscatecholate Siderophore Protochelin
Duckworth O, Harrington J, Akafia M, Bargar J, Jarzecki A, Roberts J & Sombers L

(2011) Speciation and Dynamics of Biologically Reduced U(IV) in the Old Rifle, CO Aquifer
Bargar J, Stubbs J, Suvorova E, Williams K, Campbell K, Lezama-Pacheco J, Cerrato J, Stylo M, Alessi D, Webb S, Bernier-latmani R, Giammar D, Davis J, Fox P & Long P

(2011) Fate of U(IV) during Microbially-Driven Mn(II) Oxidation in Sediments
Plathe K, Lee S-W, Lezama-Pacheco J, Tebo B, Bargar J & Bernier-Latmani R

(2011) Impact of Groundwater Composition and Diffusive Transport Limitations on Uraninite Stability
Giammar D, Cerrato JM, Barrows C, Wang Z, Mehta V, Lezama-Pacheco J & Bargar J

(2011) Uranyl Coordination Chemistry on Magnesite and Brucite Surfaces: Polarisation Dependent EXAFS
van Veelen A, Law GTW, Smith AJ, Bargar JR, Rogers J & Wogelius RA

(2011) Does the Electron Transfer Process Determine the Product of U(VI) Reduction?
Bernier-Latmani R, Alessi D, Veeramani H, Sharp J, Dalla Vecchia E, Suvorova E, Stubbs J, Lezama-Pacheco J & Bargar J

(2011) Natural Ferrihydrite: Impact of Structure and Composition on Redox Cycling
Michel FM, Cismasu AC, Lezama-Pacheco JS, Massey M, Fendorf S, Brown GE & Bargar JR

(2011) Sorption of Hg(II) by Nanocrystalline Mackinawite (Tetragonal FeS)
Bone S, Kwon K, Bargar J & Sposito G

(2011) Nanoscale Study of Exopolymeric Substance-Mediated Uranium Biomineralization
Shao P, Alessi D, Stylo M, Bargar J & Bernier-Latmani R

(2011) Geochemical and Biological Controls on the Product of Microbial U(VI) Reduction
Stylo M, Alessi D, Uster B, Lezama-Pacheco J, Bargar J & Bernier-Latmani R

(2011) Spectroscopic Characterization of U(IV)-Biomass Complexes
Alessi D, Lezama-Pacheco J, Stubbs J, Janousch M, Persson P, Bargar J & Bernier-Latmani R

(2010) The Mechanism of Uranium Isotope Fractionation during Adsorption to Mn Oxyhydroxide
Wasylenki L, Brennecka G, Bargar J & Anbar A

(2010) The Structure and Reactivity of Cobalt-Siderophore Complexes
Duckworth O, Bi Y, Jarzecki A & Bargar J

(2010) Non-Uraninite Products for Microbial U(VI) Reduction
Bernier-Latmani R, Dalla Vecchia E, Junier P, Lezama J, Veeramani H, Suvorova E, Bargar J, Alessi D, Sharp J, Wigginton N & Stubbs J

(2010) Products of Abiotic U(VI) Reduction by Biogenic Magnetite and Vivianite
Veeramani H, Alessi D, Suvorova E, Lezama-Pacheco J, Stubbs J, Dippon U, Kappler A, Bargar J & Bernier-Latmani R

(2010) Reactivity of Nano-Biogenic Uraninite in the Subsurface: Dissolution Rates and Mechanisms
Bargar J, Campbell K, Veeramani H, Stubbs J, Lezama-Pacheco J, Suvorova E, Ulrich K-U, Blue L, Bernier-Latmani R, Giammar D, Yabusaki S & Long P

(2010) Method to Estimate the Contribution of Molecular U(IV) to the Product of U(VI) Reduction
Alessi D, Uster B, Veeramani H, Stubbs J, Lezama-Pacheco J, Bargar J & Bernier-Latmani R

(2010) Structure of Hydrated UO₂ Surfaces
Stubbs J, Eng P, Waychunas G, Paffett M & Bargar J

(2009) U(VI) Reduction by Desulfotomaculum reducens MI-1
Junier P, Frutschi M, Wigginton NS, Dalla Vecchia E, Sharp JO, Suvorova E, Schofield E, Bargar JR & Bernier-Latmani R

(2009) Manganese Incorporation into Biogenic Uraninite Affects its Oxidative Stability
Veeramani H, Sharp J, Suvorova E, Schofield E, Ulrich K-U, Metha A, Giammar D, Bargar J & Bernier-Latmani R

(2009) How Mo Isotopes Fractionate during Adsorption to Mn and Fe Oxyhydroxides
Wasylenki L, Weeks C, Spiro T, Bargar J & Anbar A

(2009) Sorption Processes on Small and Dirty Mineral Particles – Do Size and Cleanliness Matter?
Brown Jr. GE, Ha J, Gélabert A, Singer DM, Wang Y, Bargar JR, Eng P, Choi Y, Kendelewicz T & Spormann AM

(2009) Structure, Composition, Size and Reactivity of Biogenic Nano-Uraninite
Bargar JR, Bernier-Latmani R, Giammar DE, Mehta A, Schofield EJ, Sharp JO, Suvorova EI, Ulrich K-U & Veeramani H

(2008) Sorption of Iron from Siderophore Complexes by Mn Oxides
Duckworth O, Bargar J & Sposito G

(2008) Parameters Controlling Metal Adsorption at the Biofilm/Mineral Interface: Evidence for a Diffusion Limited Process and Comparison with Thermodynamic Modeling
Gelabert A, Wang Y, Ha J, Ona-Nguema G, Spormann AM, Bargar JR, Rogers J, Eng P, Ghose S & Brown GE

(2008) Systematic Investigation of the Product of Microbial U(VI) Reduction by Different Bacteria
Sharp J, Schofield E, Junier P, Veeramani H, Suvorava E, Bargar J & Bernier-Latmani R

(2008) When Does Metal Adsorption Cause Isotopes to Apportion?
Wasylenki L, Weeks C, Spiro T, Bargar J & Anbar A

(2008) Molecular- and Nano-Scale Structure and Reactivity of Biogenic Uranium (IV) Oxide
Schofield E, Bargar J, Ulrich K-U, Mehta A, Bernier-Latmani R, Veeramani H, Sharp J, Conradson S, Clark D, Giammar D & Webb S

(2008) Reaction of Aqueous U(VI) with Nano-Crystalline Magnetite
Ilton E, Boily J-F & Bargar J

(2008) Nano-Scale Structure and Stability of Biogenic Uranium(IV) Oxide
Ulrich K-U, Schofield E, Bargar J, Sharp J, Veeramani H, Bernier-Latmani R, Singh A & Giammar D

(2008) Impact of S. oneidensis MR-1 Biofilm Coatings on Trace Element Partitioning at Metal-Oxide/Water Interfaces: A Long Period XSW-FY Study
Wang Y, Alexandre G, Ona-Nguema G, Ha J, Gescher J, Bargar J, Rogers J, Eng P, Spormann A & Brown G

(2008) Effect of Mn(II) on the Oxidative Dissolution of Biogenic UO₂
Veeramani H, Sharp J, Suvorova E, Schofield E, Ulrich K-U, Giammar D, Bargar J & Bernier-Latmani R

(2007) Uranium(IV) Oxide Surface Reactivity
Ulrich K-U, Singh A, Dixon S, Schofield E, Bargar J & Giammar D

(2007) Influence of Transition Metal Cations on the Formation and Reactivity of Biogenic Mn Oxides
Peña J, Sposito G & Bargar JR

(2007) Structural Chemistry of Cation-Doped Bacteriogenic UO₂
Schofield E, Sharp J, Veeramani H, Bernier-Latmani R & Bargar J

(2005) Effects of Monomeric Silicate Anion on Uranyl Adsorption and Surface Speciation at the Hematite-Water Interface
Arai Y, Bargar J & Davis J

(2005) Nanoparticulate Bacteriogenic Manganese Oxides: Environmental Reactivity and Stuctural Chemistry
Bargar J, Fuller C, Webb S & Tebo B

(2004) Structural Chemistry and Formation Mechanisms of Bacteriogenic Manganese Oxides
Bargar J, Webb S, Fuller C & Tebo B

(2002) Role of Arsenic in Pyrite Oxidation
Bostick B, Doyle C, Fendorf S, Kendelewicz T, Bargar J & Brown GE