Archived Publications

Calendar Year 2019 Publications

  1. Besold, J.;  Eberle, A.;  Noël, V.;  Kujala, K.;  Kumar, N.;  Scheinost, A. C.;  Pacheco, J. L.;  Fendorf, S. (2019) Planer-Friedrich, B., Antimonite binding to natural organic matter: spectroscopic evidence from a mine water impacted peatland. Environmental science & technology, 53 (18), 10792-10802. DOI: 10.1021/acs.est.9b03924
  2. Besold, J.; Kumar, N.; Scheinost, A. C.; Lezama-Pacheco, J. S.; Fendorf, S.; Planer-Friedrich, B. (2019) Antimonite complexation with thiol and carboxyl/phenol groups of peat organic matter. Environmental Science & Technology, 53 (9), 5005-5015. DOI: 10.1021/acs.est.9b00495 
  3. Duan, Y.; Schaefer, M. V.; Wang, Y.; Gan, Y.; Yu, K.; Deng, Y.; Fendorf, S. (2019) Experimental constrains on redox-induced arsenic release and retention from aquifer sediments in the central Yangtze River Basin. The Science of the Total Environment, 649, 629-639.  DOI: 10.1016/j.scitotenv.2018.08.205 
  4. Garcia-Arredondo, M.;  Lawrence, C.;  Schulz, M.;  Tfaily, M. M.;  Kukkadapu, R.;  Jones, M. E.;  Boye, K.; Keiluweit, M. (2019) Root-driven weathering impacts on mineral-organic associations over pedogenic time scales. Geochimica et Cosmochimica Acta, 263, 68-84. DOI: 10.1016/j.gca.2019.07.030 
  5. Lefebvre, P.;  Noël, V.;  Jemison, N. E.;  Weaver, K. L.;  Bargar, J. R.; Maher, K. (2019) Isotopic fingerprint of uranium bio-accumulation and redox cycling in floodplains of the Upper Colorado River Basin. Environmental Science & Technology, 53 (7), 3399-3409. DOI: 10.1021/acs.est.8b05593
  6. Maher, K.; Mayer, K. U. (2019) Tracking diverse minerals, hungry organisms, and dangerous contaminants using reactive transport models. Elements, 15 (2), 81-86. DOI: 10.2138/gselements.15.2.81
  7. Meredith, L. K.;  Ogee, J.;  Boye, K.;  Singer, E.;  Wingate, L.;  von Sperber, C.;  Sengupta, A.;  Whelan, M.;  Pang, E.;  Keiluweit, M.;  Bruggemann, N.;  Berry, J. A.; Welander, P. V. (2019) Soil exchange rates of COS and (COO)-O-18 differ with the diversity of microbial communities and their carbonic anhydrase enzymes. Isme Journal, 13 (2), 290-300. DOI: 10.1038/s41396-018-0270-2
  8. Merrot, P.;  Juillot, F.;  V., N.;  Lefebvre, P.;  Brest, J.;  Menguy, N.;  Guigner, J.-M.;  Blondeau, M.;  Viollier, E.;  Fernandez, J.-M.;  Moreton, B.;  Bargar, J.; Morin, G. (2019) Nickel and iron partitionning between clays, Fe-oxides and Fe-sulfides in lagoon sediments from New Caledonia. Environmental Science & Technology, 689, 1212-1227. DOI: 10.1016/j.scitotenv.2019.06.274
  9. Noel, V.; Boye, K.;  Kukkadapu, R. K.;  Li, Q. Y.; Bargar, J. R. (2019) Uranium storage mechanisms in wet-dry redox cycled sediments. Water Research, 152, 251-263. DOI:10.1016/j.watres.2018.12.040

Calendar Year 2018 Publications

  1. Stetten, L.; Blanchart, P.; Mangeret, A.; Lefebvre, P.; Le Pape, P.; Brest, J., Merrot, P.; Julien, A.; Proux, O.; Webb, S. M. (2018) Redox fluctuations and organic complexation govern uranium redistribution from u (iv)-phosphate minerals in a mining-polluted wetland soil, Brittany, France. Environmental science & technology, 52, 13099-13109. DOI: 10.1021/acs.est.8b03031
  2. Boye, K.;  Herrmann, A. M.;  Schaefer, M. V.;  Tfaily, M. M.; Fendorf, S. (2018) Discerning Microbially Mediated Processes During Redox Transitions in Flooded Soils Using Carbon and Energy Balances. Front Environ Sci, 6, 15. DOI: 10.3389/fenvs.2018.00015
  3. Hsu, H. T.;  Lawrence, C. R.;  Winnick, M. J.;  Bargar, J. R.; Maher, K. A. (2018) Molecular Investigation of Soil Organic Carbon Composition across a Subalpine Catchment. Soil Systems, 2 (1), 6. DOI: 10.3390/soils2010006
  4. Kumar, N.;  Lezama Pacheco, J. S.;  Noël, V.;  Dublet, G.; Brown, G. E. (2018) Sulfidation Mechanisms of Fe(III)-(oxyhydr)oxide Nanoparticles: A Spectroscopic Study. Environmental Science: Nano, 5 (4), 1012-1026. DOI: 10.1039/C7EN01109A
  5. Löv, Å.;  Cornelis, G.;  Larsbo, M.;  Persson, I.;  Sjöstedt, C.;  Gustafsson, J. P.;  Boye, K.; Kleja, D. B. (2018) Particle and colloid facilitated Pb leaching in four historically contaminated soils – Speciation and effect of irrigation intensity. Applied Geochemistry, 96, 327-338. DOI: 10.1016/j.apgeochem.2018.07.012
  6. Meredith, L. K.;  Boye, K.;  Youngerman, C.;  Whelan, M.;  Ogée, J.;  Sauze, J.; Wingate, L. (2018) Coupled biological and abiotic mechanisms driving carbonyl sulfide production in soils. Soil Systems, 2 (3), 37. DOI: 10.1021/acs.est.8b01255
  7. Seder-Colomina, M.;  Mangeret, A.;  Stetten, L.;  Merrot, P.;  Diez, O.;  Julien, A.;  Barker, E.;  Thouveno, A.;  Bargar, J. R.;  Cazala, C.; Morin, G. (2018) Carbonate Facilitated Mobilization of Uranium from Lacustrine Sediments under Anoxic Conditions. Environmental Science & Technology, 52 (17), 9615-9624. DOI: 10.1021/acs.est.8b01255
  8. Sjöstedt, C.;  Löv, Å.;  Olivecrona, Z.;  Boye, K.; Kleja, D. B. (2018) Improved geochemical modeling of lead solubility in contaminated soils by considering colloidal fractions and solid phase EXAFS speciation. Applied Geochemistry, 92, 110-120. DOI: 10.1016/j.apgeochem.2018.01.014
  9. Stetten, L.;  Blanchart, P.;  Mangeret, A.;  Lefebvre, P.;  Le Pape, P.;  Brest, J.;  Merrot, P.;  Julien, A.;  Proux, O.;  Webb, S. M.;  Bargar, J. R.;  Cazala, C.; Morin, G. (2018) Redox Fluctuations and Organic Complexation Govern Uranium Redistribution from U(IV)-Phosphate Minerals in a Mining-Polluted Wetland Soil, Brittany, France. Environmental Science & Technology, 52 (22), 13099-13109. DOI: 10.1021/acs.est.8b03031
  10. Vilhelmsen, T. N.; Maher, K.; Da Silva, C.; Hermans, T.; Grujic, O.; Park, J.; Yang, G. (2018) Quantifying uncertainty in subsurface systems. In: Quantifying Uncertainty in Subsurface Systems (C. Scheidt, L. Li, J. Caers), Wiley-Blackwell, American Geophysical Union, 217-262. DOI: 10.1002/9781119325888.ch8

Calendar Year 2017 Publications

  1. Bone, S. E.;  Cahill, M. R.;  Jones, M. E.;  Fendorf, S.;  Davis, J.;  Williams, K. H.; Bargar, J. R. (2017) Oxidative Uranium Release from Anoxic Sediments under Diffusion-Limited Conditions. Environmental Science & Technology, 51 (19), 11039-11047. DOI: 10.1021/acs.est.7b02241
  2. Bone, S. E.; Dynes, J. J.; Cliff, J.; Bargar, J. R. (2017) Uranium (IV) adsorption by natural organic matter in sediments. P Natl Acad Sci USA, 114 (4), 711–716. DOI: 10.1073/pnas.1611918114
  3. Boye, K.; Lezama Pacheco, J. S.; Fendorf, S. (2017) Relevance of Reactive Fe:S Ratios for Sulfur Impacts on Arsenic Uptake by Rice. Soils, 1 (1), 1. DOI: 10.3390/soils1010001
  4. Boye, K.; Noël, V.; Tfaily, M.; Bone, S.; Williams, K.; Bargar, J.; Fendorf, S. (2017) Thermodynamically controlled preservation of organic carbon in floodplains. Nature Geoscience, 10, 415–419. DOI: 10.1038/ngeo2940
  5. César, N.;  Almeida, J.;  Ellström, M.;  Bahr, A.;  Bone, S. E.;  Rosenstock, N.;  Bargar, J. R.;  Tunlid, A.;  Persson, P.; Wallander, H. (2017) Chemical changes in organic matter after fungal colonization in a nitrogen fertilized and unfertilized Norway spruce forest. Plant and Soi,l, 419 (1-2), 113-126. DOI: 10.1007/s11104-017-3324-8
  6. Dublet, G.;  Lezama Pacheco, J.;  Bargar, J. R.;  Fendorf, S.;  Kumar, N.;  Lowry, G. V.; Brown, G. E. (2017) Partitioning of uranyl between ferrihydrite and humic substances at acidic and circum-neutral ph. Geochim. Cosmochim. Acta, 215, 122. DOI: 10.1016/j.gca.2017.07.013
  7. Hausladen, D. M.; Fendorf, S., (2017) Hexavalent Chromium Generation within Naturally Structured Soils and Sediments. Environmental Science & Technology, 51 (4), 2058-2067. DOI: 10.1021/acs.est.6b04039
  8. Ikogou, M.;  Ona-Nguema, G.;  Juillot, F.;  Le Pape, P.;  Menguy, N.;  Richeux, N.;  Guigner, J.-M.;  Noël, V.;  Brest, J.;  Baptiste, B.; Morin, G. (2017) Long-term sequestration of nickel in mackinawite formed by Desulfovibrio capillatus upon Fe(III)-citrate reduction in the presence of thiosulfate. Applied Geochemistry, 80, 143-154. DOI: 10.1016/j.apgeochem.2017.02.019
  9. Keiluweit, M.; Wanzek, T.; Kleber, M.; Nico, P.; Fendorf, S. (2017) Anaerobic microsites have an unaccounted role in soil carbon stabilization. Nature Communications, 8, 1771. DOI: 10.1038/s41467-017-01406-6 
  10. Morin, G.;  Noël, V.;  Menguy, N.;  Brest, J.;  Baptiste, B.;  Tharaud, M.;  Ona-Nguema, G.;  Ikogou, M.;  Viollier, E.; Juillot, F. (2017) Nickel accelerates pyrite nucleation at ambient temperature. Geochemical Perspectives Letters, 5, 6-11. DOI: 10.7185/geochemlet.1738
  11. Noël, V.;  Boye, K.;  Kukkadapu, R. K.;  Bone, S.;  Pacheco, J. S. L.;  Cardarelli, E.;  Janot, N.;  Fendorf, S.;  Williams, K. H.; Bargar, J. R., (2017) Understanding controls on redox processes in floodplain sediments of the Upper Colorado River Basin. Sci Total Environ, 603, 663-675. DOI: 10.1016/j.scitotenv.2017.01.109
  12. Noël, V.;  Boye, K.;  Lezama Pacheco, J. S.;  Bone, S. E.;  Janot, N.;  Cardarelli, E.;  Williams, K. H.; Bargar, J. R., (2017) Redox controls over the stability of U(IV) in floodplains of the Upper Colorado River Basin. Environmental Science & Technology, 51 (19), 10954-10964. DOI: 10.1021/acs.est.7b02203
  13. Noël, V.;  Juillot, F.;  Morin, G.;  Marchand, C.;  Ona-Nguema, G.;  Viollier, E.;  Prévot, F.;  Dublet, G.;  Maillot, F.;  Delbes, L.;  Marakovic, G.;  Bargar, J. R.; Brown, G. E., (2017) Oxidation of Ni-Rich Mangrove Sediments after Isolation from the Sea (Dumbea Bay, New Caledonia): Fe and Ni Behavior and Environmental Implications. ACS Earth and Space Chemistry, 1, (8) 455-464. DOI: 10.1021/acsearthspacechem.7b00005
  14. Stubbs, J. E.;  Biwer, C. A.;  Chaka, A. M.;  Ilton, E. S.;  Bargar, J. R.; Eng, P. J. (2017) Oxidative corrosion of the UO2 (001) surface by nonclassical diffusion . Langmuir, 33 (46), 13189-13196 DOI: 10.1021/acs.langmuir.7b02800.
  15. Yabusaki, S. B.;  Wilkins, M. J.;  Fang, Y.;  Williams, K. H.;  Arora, B.;  Bargar, J.;  Beller, H. R.;  Bouskill, N. J.;  Brodie, E. L.;  Christensen, J. N.;  Conrad, M. E.;  Danczak, R. E.;  King, E.;  Soltanian, M. R.;  Spycher, N. F.;  Steefel, C. I.;  Tokunaga, T. K.;  Versteeg, R.;  Waichler, S. R.; Wainwright, H. M. (2017) Water Table Dynamics and Biogeochemical Cycling in a Shallow, Variably-Saturated Floodplain. Environmental Science & Technology, 51 (6), 3307-3317. DOI: 10.1021/acs.est.6b04873

Calendar Year 2016 Publications

  1. Janot, Noémie, Lezama Pacheco, Juan S, Pham, Don Q, O’Brien, Timothy M, Hausladen, Debra, Noël, Vincent, Lallier, Florent, Maher, Kate, Fendorf, Scott and Williams, Kenneth H (2016). Physico-chemical heterogeneity of organic-rich sediments in the Rifle aquifer, CO: Impact on uranium biogeochemistry. Environmental Science & Technology 50(1):46-53. DOI: 10.1021/acs.est.5b03208
  2. Morin, G, Mangeret, A, Othmane, G, Stetten, L, Seder-Colomina, M, Brest, J, Ona-Nguema, G, Bassot, S, Courbet, C and Guillevic, J. (2016) Mononuclear U(IV) complexes and ningyoite as major uranium species in lake sediments. Geochemical Perspectives Letters 2(1):95-105. DOI: 10.7185/geochemlet.1610
  3. Mikutta, C., P. Langner, J. R. Bargar and R. Kretzschmar (2016). Tetra- and hexavalent uranium forms bidentate-mononuclear complexes with particulate organic matter in a naturally uranium-enriched peatland. Environmental Science & Technology 50(19): 10465-10475.

Calendar Year 2015 Publications

  1. Lezama-Pacheco, J. S., J. M. Cerrato, H. Veeramani, D. S. Alessi, E. Suvorova, R. Bernier-Latmani, D. E. Giammar, P. E. Long, K. H. Williams and J. R. Bargar (2015). Long-term in situ oxidation of biogenic uraninite in an alluvial aquifer: Impact of dissolved oxygen and calcium. Environmental Science & Technology 49(12): 7340-7347.
  2. Noël, V., G. Morin, F. Juillot, C. Marchand, J. Brest, J. R. Bargar, M. Muñoz, G. Marakovic, S. Ardo and G. E. Brown (2015). Ni cycling in mangrove sediments from New Caledonia. Geochimica et Cosmochimica Acta 169: 82-98.
  3. Gallegos, T. J., K. M. Campbell, R. A. Zielinski, P. W. Reimus, J. T. Clay, N. Janot, J. R. Bargar and W. M. Benzel (2015). Persistent U(IV) and U(VI) following in-situ recovery (ISR) mining of a sandstone uranium deposit, Wyoming, USA. Applied Geochemistry 63: 222-234.
  4. Herndon, E. M., Z. Yang, J. Bargar, N. Janot, T. Z. Regier, D. E. Graham, S. D. Wullschleger, B. Gu and L. Liang (2015). Geochemical drivers of organic matter decomposition in arctic tundra soils. Biogeochemistry 126(3): 397-414.
  5. Jones, L. C., B. Peters, J. S. Lezama Pacheco, K. L. Casciotti and S. Fendorf (2015). Stable isotopes and iron oxide mineral products as markers of chemodenitrification. Environmental Science & Technology 49(6): 3444-3452.
  6. Stubbs, J. E., A. M. Chaka, E. S. Ilton, C. A. Biwer, M. H. Engelhard, J. R. Bargar and P. J. Eng (2015). UO2 oxidative corrosion by nonclassical diffusion. Physical Review Letters 114(24): 246103.

Calendar Year 2014 Publications

  1. Bone, S. E., J. R. Bargar and G. Sposito (2014). Mackinawite (FeS) reduces mercury(II) under sulfidic conditions. Environmental Science & Technology 48(18): 10681-10689.
  2. Massey, M. S., J. S. Lezama-Pacheco, M. E. Jones, E. S. Ilton, J. M. Cerrato, J. R. Bargar and S. Fendorf (2014). Competing retention pathways of uranium upon reaction with Fe(II). Geochimica et Cosmochimica Acta 142: 166-185.
  3. Massey, M. S., J. S. Lezama-Pacheco, F. M. Michel and S. Fendorf (2014). Uranium incorporation into aluminum-substituted ferrihydrite during iron(II)-induced transformation. Environmental Science: Processes & Impacts 16(9): 2137-2144.
  4. Massey, M. S., J. S. Lezama-Pacheco, J. M. Nelson, S. Fendorf and K. Maher (2014). Uranium incorporation into amorphous silica. Environmental Science & Technology 48(15): 8636-8644.
  5. Alessi, D. S., J. S. Lezama-Pacheco, N. Janot, E. I. Suvorova, J. M. Cerrato, D. E. Giammar, J. A. Davis, P. M. Fox, K. H. Williams, P. E. Long, K. M. Handley, R. Bernier-Latmani and J. R. Bargar (2014) Speciation and reactivity of uranium products formed during in situ bioremediation in a shallow alluvial aquifer. Environmental Science & Technology 48(21): 12842-12850.
  6. Alessi, D. S., J. S. Lezama-Pacheco, J. E. Stubbs, M. Janousch, J. R. Bargar, P. Persson and R. Bernier-Latmani (2014). "The product of microbial uranium reduction includes multiple species with U(IV)-phosphate coordination." Geochimica et Cosmochimica Acta 131: 115-127.
  7. Qafoku, N.P., B.N. Gartman, R.K. Kukkadapu, B.W. Arey, K.H. Williams, P.J. Mouser, S.M. Heald, J.R. Bargar, N. Janot, S. Yabusaki, and P.E. Long (2014) Geochemical and mineralogical investigation of uranium in multi-element contaminated, organic-rich subsurface sediment, Appl. Geochem., 42: 77–85. DOI: 10.1016/j.apgeochem.2013.12.001.

Calendar Year 2013 Publications

  1. Bargar, J.R., K.H. Williams, K.M. Campbell, P.E. Long, J.E. Stubbs, E. Suvorova, D.S. Alessi, M. Stylo, and R. Bernier-Latmani (2013) Uranium redox transition pathways in acetate-amended sediments, Proceedings of the National Academy of Sciences 110(12): 4506-4511. DOI: 10.1073/pnas.1219198110.
  2. Stylo, M., D.S. Alessi, P.P. Shao, J.S. Lezama-Pacheco, J.R. Bargar, and R. Bernier-Latmani. Biogeochemical controls on the product of microbial U(VI) reduction, Environ. Sci. & Technol. 47(21): 12351-12358. DOI: 201310.1021/es402631w.
  3. Cerrato, J.M., M.N. Ashner, D.S. Alessi, J.S. Lezama-Pacheco, R. Bernier-Latmani, J.R. Bargar, and D.E. Giammar (2013) Relative reactivity of uraninite and non-crystalline U(IV) species, Environ. Sci. & Technol.. 47 (17): 9756–9763. DOI: 10.1021/es401663t.
  4. Alessi, D.S., B. Uster, C. Borca, D. Grolimund and R. Bernier-Latmani (2013) Beam induced oxidation of monomeric U(IV) species, J. Synchrotron Radiation  20(1): 197-199. DOI: 10.1107/S0909049512041763.
  5. Wang, Z. S.-W. Lee, P. Kapoor, B.M. Tebo, and D.E. Giammar (2013) Uraninite oxidation and dissolution induced by manganese oxide: A redox reaction between two insoluble minerals, Geochim. Cosmochim. Acta 100: 24-40. DOI: 10.1016/j.gca.2012.09.053.
  6. Wang, Z., S.-W. Lee, J.G. Catalano, J.S. Lezama-Pacheco, J.R. Bargar, B.M. Tebo, and D.E. Giammar (2013) Adsorption of uranium(VI) to manganese oxides: X-ray absorption spectroscopy and surface complexation modeling, Environ. Sci. & Technol. 47(2): 850-858.  DOI: 10.1021/es304454g.
  7. Wang, Z. and D.E. Giammar (2013) Mass action expressions for bidentate adsorption in surface complexation modeling: Theory and practice, Environ. Sci. & Technol., 47(9): 3982–3996. DOI: 10.1021/es305180e.
  8. Williams, K.H., J.R. Bargar, J.R. Lloyd, and D.R. Lovley (2013) Bioremediation of uranium-contaminated groundwater: a systems approach to subsurface biogeochemistry. Current Opinion in Biotechnology 24(3): 489-497, DOI: 497   DOI: 10.1016/j.copbio.2012.10.008.
  9. Orellana, R., J.J. Leavitt, L.R. Comolli, R. Csencsits, N. Janot, K.A. Flanagan, A.S. Gray, C. Leang, M. Izallalen, T. Mester and D.R. Lovley (2013) U(VI) reduction by a diversity of outer surface c-type cytochromes of Geobacter sulfurreducens, Appl. Environ. Microbiol., 76(12): 3999-4007.  DOI: 10.1128/AEM.00027-10.
  10. Maher, K., J.R. Bargar, and G.E. Brown, Jr. (2013) Environmental speciation of actinides. Inorg. Chem., 52(7): 3510-3532. DOI: 10.1021/ic301686d.
  11. Cismasu, A.C., C. Levard, F.M. Michel, and G.E. Brown, Jr. (2013) Properties of impurity-bearing ferrihydrite II: Insights into the surface structure and composition of pure, Al- and Si-bearing ferrihydrite from Zn(II) sorption experiments and Zn K-edge X-ray absorption spectroscopy. Geochim. Cosmochim. Acta 119: 46-60: DOI: 10.1016/j.gca2013.05.040.

Calendar Year 2012 Publications

  1. Giammar, D.E., J.M. Cerrato, V. Mehta, Z. Wang, Y. Wang, T.J. Pepping, K.-U. Ulrich, J.S. Lezama-Pacheco, and J.R. Bargar (2012) Effect of diffusive transport limitations on UO2 dissolution, Water Research 46(18): 6023-6032. DOI: 10.1016/j.watres.2012.08.034.
  2. Cismasu, A.C., F.M. Michel, J.F. Stebbins, C.M. Levard, and G.E. Brown, Jr. (2012) Properties of impurity-bearing ferrihydrite I. Effects of Al content and precipitation rate on the structure of 2-line ferrihydrite, Geochim. Cosmochim. Acta 92: 275-291. DOI: 10.1016/j.gca.2012.06.010.
  3. Alessi, D. S., B. Uster, H. Veeramani, E.I. Suvorova, J.S. Lezama-Pacheco, J.E. Stubbs, J.R. Bargar and R. Bernier-Latmani (2012) Quantitative separation of monomeric U(IV) from UO2 in products of U(VI) reduction, Environ. Sci. Technol. 46(11): 6150-6157. DOI: 10.1021/es204123z
  4. Barrón, V., J. Torrent, and F.M. Michel (2012) Critical evaluation of the revised akdalaite model for ferrihydrite – Discussion, Amer. Mineral, 97(1): 253-254. DOI: 10.2138/am.2012.3894
  5. Cerrato, J.M., C.J. Barrows, L.Y. Blue, J.S. Lezama-Pacheco, J.R. Bargar, and D.E. Giammar (2012) Effect of Ca2+ and Zn2+ on UO2 dissolution rates, Environ. Sci. Technol., 46(5): 2731-2737. DOI: 10.1021/es203751t
  6. Toner, B.M., T.S. Berquó, F.M. Michel, J.V. Sorensen, A.S. Templeton, and K.J. Edwards (2012) Mineralogy of iron microbial mats from Loihi Seamount, Front. Microbiol., 3: 1-18. DOI: 10.3389/fmicb.2012.00118
  7. Ma, R., C.M. Levard, S. Marinakos, S.Y. Chen, J. Liu, F.M. Michel, G.E. Brown, Jr., and G.V. Lowry (2012) Size-controlled dissolution of organic-coated silver nanoparticles, Environ. Sci. Technol. 46(2):752-759. DOI: 10.1021/es201686j
  8. Singh, A., J.G. Catalano, K.-U. Ulrich, and D.E. Giammar (2012) Molecular-scale structure of uranium(VI) immobilized with goethite and phosphate, Environ. Sci. Technol. 46(12): 6604-6611. DOI: 10.1021/es300494x
  9. Campbell, K.M., R.K. Kukkadapu, N.P.  Qafoku, A.D. Peacock, E. Lesher, K.H. Williams, J.R. Bargar, M.J. Wilkins, L. Figueroa, J. Ranville, J.A. Davis, and P.E. Long (2012) Geochemical, mineralogical and microbiological characteristics of sediment from a naturally reduced zone in a uranium-contaminated aquifer. Appl. Geochem., 27(8): 1499-1511. DOI: 10.1016/j.apgeochem.2012.04.013.
  10. Handley, K.M., K.C. Wrighton, Y.M. Piceno, G.L. Andersen, T.Z. DeSantis, K.H. Williams, M.J. Wilkins, A.L. N'Guessan, A.D. Peacock, J.R. Bargar, P.E. Long, and J.F. Banfield (2012) High-density PhyloChip profiling of stimulated aquifer microbial communities reveals a complex response to acetate amendment. FEMS Microbiol. Ecol., 81(1): 188-204. DOI: 10.1111/j.1574-6941.2012.01363.x

Calendar Year 2011 Publications

  1. Harrington, R., D.B. Hausner, W. Xu, N. Bhandari, F.M. Michel, G.E. Brown, Jr., D.R. Strongin, and J.B. Parise, (2011) Neutron pair distribution function study of two-line ferrihydrite, Environ. Sci. Technol., 45(23): 9883-9890. DOI: 10.1021/es2020633
  2. Levard, C.M., F.M. Michel, Y. Wang, Y. Choi, P. Eng, and G.E. Brown, Jr. (2011) Probing Ag nanoparticle surface oxidation in contact with (in)organics: an X-ray scattering and fluorescence yield approach, J Synchrotron. Radiat., 18:871-878. DOI: 10.1107/S090904951103843X
  3. Sharp, J.O., J.S. Lezama-Pacheco, E.J. Schofield, P. Junier, K.-U. Ulrich, S. Chinni, H. Veeramani, C. Margot-Roquier, S.M. Webb, B.M. Tebo, D.E. Giammar, J.R. Bargar, and R. Bernier-Latmani (2011) Uranium speciation and stability after reductive immobilization in aquifer sediments. Geochim. Cosmochim. Acta, 75(21): 6497-6510. DOI: 10.1016/j.gca.2011.08.022
  4. Levard, C.M., B.C. Reinsch, F.M. Michel, C. Oumahi, G.V. Lowry, G.E. Brown, Jr. (2011) Sulfidation processes of PVP-coated silver nanoparticles in aqueous solution: Impact on dissolution rate, Environ. Sci. Technol., 45(12): 5260-5266. DOI: 10.1021/es2007758
  5. Ulrich, K.-U., H. Veeramani, R. Bernier-Latmani, and D.E. Giammar (2011) Speciation-dependent kinetics of uranium(VI) bioreduction. Geomicrobio. J., 28(5-6): 396-409. DOI: 10.1080/01490451.2010.507640
  6. Campbell, K.M., J.A. Davis, J.R., Bargar, D.E. Giammar, R. Kukkadapu, K.H. Williams, H. Veeramani, K.-U. Ulrich, J.E. Stubbs, S.B. Yabusaki, L. Figueroa, F. Lesher, M.J. Wilkins, A. Peakcock, and P.E. Long (2011) Composition, stability, and measurement of reduced uranium phases for groundwater bioremediation at Old Rifle, CO. Appl. Geochemistry, 26(S): S167-S169. DOI: 10.1016/j.apgeochem.2011.03.094
  7. Campbell, K.M., H. Veeramani, K.-U. Ulrich, L.Y. Blue, D.E. Giammar, R. Bernier-Latmani, J.E. Stubbs, E.I. Suvorova, S.B. Yabusaki, J.S. Lezama-Pacheco, A. Mehta, P.E. Long, and J.R. Bargar (2011) Oxidative dissolution of biogenic uraninite in groundwater at Old Rifle, CO. Envir. Sci. Technol. 45(20): 8748-8754. DOI: 10.1021/es200482f
  8. Veeramani, H., D.S. Alessi, E.I. Suvorova, J.S. Lezama-Pacheco, J.E. Stubbs, J.O. Sharp, U. Dippon, A. Kappler, J.R. Bargar, and R. Bernier-Latmani (2011) Products of abiotic U(VI) reduction by biogenic magnetite and vivianite. Geochim. Cosmochim. Acta, 75(9): 2512-2528. DOI: 10.1016/j.gca.2011.02.024
  9. Ray, A.E., J.R. Bargar, V. Sivaswamy, A.C. Dohnalkovae, U. Fujita, B.M. Peyton, and T.S. Magnuson. (2011) Evidence for multiple modes of uranium immobilization by an anaerobic bacterium. Geochim. Cosmochim. Acta 75(10): 2648-2695. DOI: 10.1016/j.gca.2011.02.040
  10. Cismasu, A.C., F.M. Michel, P.A. Tcaciuc, T. Tyliszczak, and G.E. Brown, Jr., (2011) Composition and structural aspects of naturally-occurring ferrihydrite. C. R. Geosci., 343(2-3): 210-218. DOI: 10.1016/j.crte.2010.11.001
  11. Xin, D., B. Boonchayaanant, W.-M. Wu, S. Fendorf, J.R. Bargar, and C.S. Criddle (2011) Reduction of uranium(VI) by soluble iron(II) conforms with thermodynamic predictions. Environ. Sci. Technol., 45(11): 4718-4725DOI: 10.1021/es2006012.

Calendar Year 2010 Publications

  1. Dalla Vecchia, E., H. Veeramani, E.I. Suvorova, N.S. Wigginton, J.R. Bargar and R. Bernier-Latmani. (2010) U(VI) reduction by spores of Clostridium acetobutylicumRes. Microbiol., 161(9): 765-771. DOI: 10.1016/j.resmic.2010.08.001
  2. Bernier-Latmani, R., H. Veeramani, E. Dalla Vecchia, P. Junier, J.S. Lezama-Pacheco, E.I. Suvorova, J.O. Sharp, J.E. Stubbs, N.S. Wigginton, and J.R. Bargar (2010) Non-uraninite products of microbial U(VI) reduction. Environ. Sci. Technol., 44(24): 9456-9462. DOI: 10.1021/es101675a
  3. Ilton, E.S., J.-F. Boily, E.C. Buck, F.N. Skomurski, K.M. Rosso, C.L. Cahill, J.R. Bargar, and A.R. Felmy (2010) Influence of Dynamical Conditions on the Reduction of U-VI at the Magnetite-Solution Interface. Environ. Sci. Technol., 44(1): 170-176. DOI: 10.1021/es9014597
  4. Michel, F.M., V. Barrón, J. Torrent, M.P. Morales, C.J. Serna, J.-F. Boily, Q.S. Liu, A. Ambrosini, A.C. Cismasu, and G.E. Brown, Jr. (2010) Ordered ferrimagnetic form of ferrihydrite reveals links among structure and magnetism. P. Natl. Acad. Sci. U.S.A., 107(7): 2787-2792. DOI: 10.1073/pnas.0910170107
  5. Singh, A., K.-U. Ulrich, and D.E. Giammar (2010) Impact of phosphate on U(VI) immobilization in the presence of goethite, Geochim. Cosmochim. Acta, 74(22): 6324-6343. DOI: 10.1016/j.gca.2010.08.031

Calendar Year 2009 Publication

  1. Sharp, J.O., E.J. Schofield, H. Veeramani, E.I. Suvorova, D.W. Kennedy, M.J. Marshall, A. Mehta, J.R. Bargar, and R. Bernier-Latmani (2009) Structural similarities between biogenic uraninites produced by phylogenetically and metabolically diverse bacteria, Environ. Sci. Technol. 43(21): 8295-8301. DOI: 10.1021/es901281e
  2. Ulrich, K.-U., E.S. Ilton, H. Veeramani, J.O. Sharp, R. Bernier-Latmani, E.J. Schofield, J.R. Bargar., S.D. Conradson, and D.E. Giammar (2009) Comparative dissolution kinetics of biogenic and chemogenic uraninite under oxidizing conditions in the presence of carbonate. Geochim. Cosmochim. Acta 73(20): 6065–6083. DOI: 10.1016/j.gca.2009.07.012
  3. Veeramani, H., E.J. Schofield, J.O. Sharp, E.I. Suvorova, K.-U. Ulrich, A. Mehta, D.E. Giammar, J.R. Bargar, and R. Bernier-Latmani (2009) Effect of Mn(II) on the structure and reactivity of biogenic uraninite. Environ. Sci. Technol. 43(17): 6541–6547. DOI: 10.1021/es900556k
  4.  Zeng, H., A. Singh, S. Basak, K.-U. Ulrich, M. Sahu, P. Biswas, J.G. Catalano, and D.E. Giammar (2009) Nanoscale size effects on uranium(VI) adsorption to hematite. Environ. Sci. Technol. 43(5): 1373-1378. DOI: 10.1021/es802334e
  5. Hiemstra, T., W.H. Van Riemsdijk, A. Rossberg, and K.-U. Ulrich (2009) A surface structural model for ferrihydrite. II. Adsorption of uranyl and carbonate. Geochim. Cosmochim. Acta. 73(15): 4437-4451. DOI: 10.1016/j.gca.2009.04.035
  6. Junier, P., J. Frutschi, N.S. Wiggington, E.J. Schofield, J.R. Bargar, and R. Bernier-Latmani (2009) Metal reduction by spores of Desulfotomaculum reducensEnviron. Microbiol. 11(12): 3007-3017.  DOI: 10.1111/j.1462-2920.2009.02003.x
  7. Rossberg, A., K.-U. Ulrich, S. Weiss, S. Tsushima, T. Hiemstra, and A.C. Scheinost. (2009) Identification of uranyl surface complexes on ferrihydrite: Advanced EXAFS data analysis and CD-MUSIC modeling. Environ. Sci. Technol. 43(5): 1400-1406. DOI: 10.1021/es801727w

Calendar Year 2008 Publication

  1. Bargar, J.R., R. Bernier-Latmani, D.E. Giammar, and B.M. Tebo (2008) Biogenic uraninite nanoparticles and their importance for uranium remediation. Elements, 4(6): 407-412. DOI: 10.2113/gselements.4.6.407
  2. Schofield, E.J., H. Veeramani, J.O. Sharp, E.I. Suvorova, R. Bernier-Latmani, A. Mehta, J. Stahlman, S.M. Webb, D.L. Clark, S.D. Conradson, and J.R. Bargar (2008) Structure of biogenic uraninite produced by Shewanella Oneidensis, strain MR-1. Environ. Sci. Technol. 42(21): 7898-7904. DOI: 10.1021/es800579g
  3. Ulrich, K.-U., D.E. Giammar, S. Dixon, A. Singh, E.J. Schofield, J.R. Bargar, H. Veeramani, J.O. Sharp, and R. Bernier-Latmani (2008) Dissolution of biogenic and synthetic UO2 under varied reducing conditions. Environ. Sci. Technol. 42(15): 5600-5606. DOI: 10.1021/es800647u
  4.  Schofield, E.J., B. Ingham, A. Turnbull, M.F. Toney, and M.P. Ryan (2008) Strain development in nanoporous metallic foils formed by dealloying. Appl. Phys. Lett. 92(4): 043118. DOI: 10.1063/1.2838351
  5.  Chinni, S., C.R. Anderson, K.-U. Ulrich, D.E. Giammar, and B.M. Tebo (2008) Indirect UO2 oxidation by Mn(II)-oxidizing spores of Bacillus sp. strain SG-1 and the effect of U and Mn concentrations. Environ. Sci. Technol. 42(23): 8709-8714. DOI: 10.1021/es801388p