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2009 Publications (published and in press)

• K.-U. Ulrich, E.S. Ilton, H. Veeramani, J.O. Sharp, R. Bernier-Latmani, E.J. Schofield, J.R. Bargar., D.L., S.D. Conradson, and D. E. Giammar. Dissolution kinetics of biogenic and abiotic UO2 under oxidizing conditions and in the presence of carbonate. In press in Geochim. Cosmochim. Acta
• H. Veeramani, E.J. Schofield, J.O. Sharp, E.I. Suvorova, K.-U. Ulrich, A. Mehta, D.E. Giammar, J.R. Bargar, and R. Bernier-Latmani. Effect of Mn(II) on the structure and reactivity of biogenic uraninite. In press in Environ. Sci. Technol.
• P. Junier, M. Frutschi, N.S. Wigginton, E.J. Schofield, J.R. Bargar, and R. Bernier-Latmani. Metal reduction by spores of Desulfotomaculum reducens. In press in Environmental Microbiology.
• H. Zeng, 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, 1373-1378.
• T. Hiemstra, 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, 4437-4451.
• A. Rossberg, 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, 1400-1406.
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2008 Publications (published and in press)

• J.R. Bargar, R. Bernier-Latmani, D.E. Giammar, and B.M. Tebo (2008) Nanocrystalline biogenic uraninite: structure and reactivity. Elements, 4, 407-412.
• S. Chinni, C.R. Anderson, C.R., 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, 8709-8714.
• E.J. Schofield, H. Veeramani, J. Sharp, E. 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 UO2 produced by Shewanella Oneidensis, strain MR-1. Environ. Sci. Technol., 42, 7898-7904.
• K.-U. Ulrich, D. Giammar, S. Dixon, A. Singh, E.J. Schofield, J.R. Bargar, H. Veeramani, J. Sharp, and R. Bernier-Latmani (2008) Dissolution of biogenic and synthetic UO2 under varied reducing conditions. Environ. Sci. Technol. 42, 5600-5606.
• E. J. Schofield, 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, 043118.
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Presentations at National and International Scientific Meetings

• Bargar, J.R., Bernier-Latmani, R., Giammar, D.E., Mehta, A., Schofield, E.J., Sharp, J.O., Suvorova, E.I., Ulrich, K-U, Veeramani, H. Structure, composition, size and reactivity of biogenic nano-uraninite. Presented at the 2009 Goldschmidt Geochemistry Conference, Symposium on synchrotron and neutron advances in environmental geochemistry and mineralogy. Davos, Switzerland, June 21-26, 2009. [keynote]
• Bernier-Latmani, R., Junier, P. Metal reduction in metal- vs. sulfate-reducing bacteria: insights from genomics and transcriptomics. Presented at the 2009 Goldschmidt Geochemistry Conference, Symposium on the genomics of geochemistry. Davos, Switzerland, June 21-26, 2009. [invited]
• Veeramani, H., Sharp, J.O., Suvorova, E.I., Schofield, E.J., Ulrich, K-U, Mehta, A., Giammar, D., Bargar, J.R., Bernier-Latmani, R. Manganese incorporation into biogenic uraninite affects its oxidative stability. Presented at the 2009 Goldschmidt Geochemistry Conference, Symposium on geomicrobiological processes controlling bioremediation, natural attenuation and trace gas emissions. Davos, Switzerland, June 21-26, 2009. [oral]
• Junier, P., Frutschi, M., Wigginton, N.S., Dalla Vecchia, E., Sharp, J.O., Suvorova, E.I., Schofield, E.J., Bargar, J.R., Bernier-Latmani, R. U(VI) reduction by Desulfotomaculum reducens. Presented at the 2009 Goldschmidt Geochemistry Conference, Symposium on synchrotron and neutron advances in environmental geochemistry and mineralogy. Davos, Switzerland, June 21-26, 2009. [oral]
• Bargar, J.R., Schofield, E.J., Veeramani, H., Ulrich, K.-U., Sharp, J., Bernier-Latmani, R., Giammar, D.E., Campbell, K., Mehta, A., Marshall, M., and Ilton, E., Structure, Composition, Size, and Reactivity of Environmental Nano-Uraninite. Presented at the EuCheMS ICCE Conference, Stockholm, Sweden, June 17, 2009. [keynote].
• Bernier-Latmani, R., Junier, P., Wigginton, N., Veeramani, H., Dalla Vecchia, E., Sharp, J.O., Schofield, E.J., Bargar. J.R. Reduction of U(VI) by spores of Desulfotomaculum reducens. 68th Swiss Society for Microbiology annual meeting in Lausanne, June 4-5, 2009. [invited]
• Bargar, J.R., Schofield, E.J., Veeramani, H., Ulrich, K.-U., Sharrp, J., Bernier-Latmani, R., Giammar, D.E., Campbell, K., Mehta, A., Marshall, M., and Ilton, E., Structure, Composition, Size, and Reactivity of Biogenic Nano-Uraninite. Presented at the Seaborg Institute for Transactinium Science Institute at LBNL, Berkeley, CA, May 27, 2009 [invited]
• Bernier-Latmani, R., Junier, P., Sharp, J.O., Schofield, E.J., Bargar. J.R. Reduction of U(VI) by spores of Desulfotomaculum reducens. 109th ASM meeting in Philadelphia May 17-21, 2009. [poster]
• Bargar, J.R.; Bernier-Latmani, R.; Giammar, D.E.; Schofield, E.J.; Veeramani, H.; Ulrich, K.-U.; Sharp, J.; Conradson, Mehta, A.; S.D; and Clark, D.L. "Fundamental Structural/Compositional and Solute Controls Governing Biogenic Uraninite Stability in Ground Water". Presented at the DOE-ERSP 4th Annual PI Meeting 2009, Lansdowne, VA, April 23, 2009.
• Bernier-Latmani, R., Sharp, J.O., Veeramani, H., Suvorova, E.I., Bargar, J.R., Mehta, A., Ulrich, K-U., Giammar, D.E. "How do biogeochemical conditions affect the product of U(VI) reduction by bacteria?" Presented at the 237th ACS National Meeting, Symposium on Metal and Metalloid Speciation and Adsorption in Honor of James O. Leckie, Salt Lake City, UT, Mar 24, 2009. [oral]
• Ulrich, K.-U., Ilton, E.S., Veeramani, H., Sharp, J.O., Bernier-Latmani, R., Schofield, E.J., Bargar, J.R., and Giammar, D.E. "Speciation and Reactivity of Biogenic UO2 in Water". Presented at the 237th ACS National Meeting, Symposium on Metal and Metalloid Speciation and Adsorption in Honor of James O. Leckie, Salt Lake City, UT, Mar 24, 2009. [oral]
• Schofield, E.; Bargar, J. R.; Veeramani, H.; Sharp, J.; Bernier-Latmani, R.; Survova, E.; Giammar, D.E.; Ulrich, K.-U.; Mehta, A.; Webb, S.M.; Clark, D. L.; Conradon, S. D.; and Ilton, E. "Molecular- and nano-scale structure and reactivity of biogenic uranium(IV) oxide". Presented at the 2008 Fall Conference of the American Geophysical Union, Session on Nature and Role of Colloids and Nanoparticles in the Environment I, San Francisco, CA, Dec. 16, 2008. [oral]
• Schofield, E.J.; Bargar, J.R.; Webb, S.; Mehta, A.; Bernier-Latmani, R.; Sharp, J.O.; Veeramani, H.; Conradson, S.D.; Clark, D.L.; Ulrich, K.-U.; Giammar, D.E.; and Ilton, E.. "Molecular and nano-scale structure and reactivity of biogenic uranium(IV) oxide". Presented at the 2008 SSRL/LCLS Users Meeting Workshop on Advanced Topics in EXAFS Analysis and Applications, Menlo Park, CA, October 15, 2008. [invited]
• Schofield, E.J.; Bargar, J.R.; Webb, S.; Mehta, A.; Bernier-Latmani, R.; Sharp, J.O.; Veeramani, H.; Conradson, S.D.; Clark, D.L.; Ulrich, K.-U.; Giammar, D.E.; and Ilton, E.. "Molecular and nano-scale structure and reactivity of biogenic uranium(IV) oxide". Presented at the 2008 SSRL/LCLS Users Meeting, Menlo Park, CA, October 15, 2008. [poster]
• Bargar, J.R.; Schofield, E.J.; Mehta, A.; Veeramani, H.; Ulrich, K.-U.; Sharp, J.; Bernier-Latmani, R.; Giammar, D.E.; Conradson, S.D; and Clark, D.L.. "Structural identity and reactivity of biogenic UO2". Presented at the 236th ACS National Meeting, Symposium on Biogeochemical Redox Processes in Soils and Sediments, Philadelphia, PA, Aug, 19, 2008. [invited]
• Sharp, J.; Schofield, E.J.; Junier, P.; Veeramani, H.; Suvorova, E.; Bargar, J.R.; and Bernier-Latmani, R.. "Systematic investigation of the product of microbial U(VI) reduction by different bacteria". Presented at the 2008 Goldschmidt Geochemistry Conference, Symposium on The Effect of Microbes on metal Speciation in the Environment. A Tribute to Terry Beveridge, Vancouver, Canada, July 17, 2008. [oral]
• Schofield, E.J.; Bargar, J.R.; Ulrich, K.-U.; Mehta, A.; J.; Bernier-Latmani, R.; Veeramani, H.; Sharp, J.; Conradson, S.D..; Clark, D.L.; Giammar, D. E.; and Webb, S.. "Molecular and Nano-Scale Structure and reactivity of Biogenic Uranium (IV) Oxide". Presented at the 2008 Goldschmidt Geochemistry Conference, Symposium on Advances in Microbe Radionuclide Interactions, Vancouver, Canada, July 16, 2008. [oral]
• Chinni, S., C. Anderson, K.-U. Ulrich, H. Veeramani, J.O. Sharp, D.E. Giammar, R. Bernier-Latmani, and B.M. Tebo (2008). Kinetics of indirect UO2 oxidation by Mn(II)-oxidizing Bacillus spores. Presented at the 2008 Goldschmidt Geochemistry Conference, Symposium on the Molecular-Scale Chemical and Biogeochemical Processes Affecting the Mobility of Metal and Radionuclide Contaminants in the Subsurface, Vancouver, Canada, July 15, 2008.
• Ulrich, K.-U.; Schofield, E.J.; Bargar, J.R.; Sharp, J.; Veeramani, H.; Bernier-Latmani, R.; Singh, A.; and Giammar, D.E.. "Nano-scale structure and stability of biogenic uranium(IV) oxide". Presented at the 2008 Goldschmidt Geochemistry Conference, Symposium on the Molecular-Scale Chemical and Biogeochemical Processes Affecting the Mobility of Metal and Radionuclide Contaminants in the Subsurface, Vancouver, Canada, July 15, 2008. [oral]
• Veeramani, H.; Sharp, Suvorova, E.; J.; Schofield, E.J.; Ulrich, K.-U.; Bargar, J.R.; Giammar, D.E.; and Bernier-Latmani, R.. "Effect of Mn(II) on the oxidative dissolution of biogenic UO2". Presented at the 2008 Goldschmidt Geochemistry Conference, Symposium on the Molecular-Scale Chemical and Biogeochemical Processes Affecting the Mobility of Metal and Radionuclide Contaminants in the Subsurface, Vancouver, Canada, July 14, 2008. [oral]
• Bargar, J.R.; Schofield, E.J.; Mehta, A.; Veeramani, H.; Ulrich, K.-U.; Sharp, J.; Bernier-Latmani, R.; and Giammar, D.E.. "Synchrotron-based XAS and powder diffraction measurements of biogenic uraninite". Presented at the Canadian Light Source Earth and Environmental Sciences Workshop, May 5, 2008, Saskatoon, Canada. [invited]
• Bargar, J. R.; Bernier-Latmani, R.; Giammar, D. E.; and Tebo, B. M.. "Coupled biogeochemical processes governing the stability of bacteriogenic UO2: molecular to meter scales". Presented at the 3rd Annual DOE-ERSP PI Meeting, Lansdowne, VA, April 7-9, 2008. [poster]
• Schofield, E.; Bargar, J. R.; Bernier-Latmani, R.; Sharp, J.; Veeramani, H.; Clark, D. L.; Conradon, S. D.; Mehta, A.. "Structural chemistry of cation-reacted bacteriogenic UO2". Presented at the 2007 Fall Conference of the American Geophysical Union, Session on Environmental, Ecological, and Biogeochemical Impacts of Natural and Synthetic Nanomaterials, San Francisco, CA, Dec. 12, 2007. [poster]
• Bargar, J. R.; Tebo, B. M.; Schofield, E.; Sharp, J.; Veeramani, J.; Bernier-Latmani, R.; Ulrich, K.-U.; Giammar, D. E.. "Fundamental controls on the reactivity of biogenic UO2". Presented at Los Alamos National Laboratory, Hydrology, Geology, and Geochemistry Group, Nov. 19, 2007, Los Alamos, NM. [invited]
• Bargar, J. R.; Tebo, B. M.; Schofield, E.; Sharp, J.; Veeramani, J.; Bernier-Latmani, R.; Ulrich, K.-U.; Giammar, D. E.. "Fundamental controls on the environmental reactivity of transition-and heavy-metal bacteriogenic oxides". Presented at the 2007 GSA Denver Annual Meeting, Session No. 102: A Retrospective and Prospective Look at Mineralogy, Petrology, and Geochemistry II: A Session in Honor of Gordon E. Brown, Jr., October 29, 2007, Denver, CO. [invited]
• Schofield, E.; Sharp, J.; Veeramani, H.; Bernier-Latmani, R.; Bargar, J. R.. "Structural chemistry of cation-reacted bacteriogenic UO2". Presented at the 2007 SSRL Users’ Conference, Stanford, CA, October 1. 2007. [poster]
• Ulrich, K. U.; Singh, A.; Dixon, S.; Giammar, D. E.; Veeramani, H.; Sharp, J.; Bernier-Latmani, R.; Schofield, E.; Bargar, J.R.; Chinni, S.; and Tebo, B. M.. "Nanoscale structure and dissolution kinetics of abiotic and bacteriogenic uraninite". Presented at the Migration 2007 Conference, Session A-1. Solubility and Dissolution, Aug 30. 2007, Munich, Germany. [oral]
• Ulrich, K. U.; Singh, A.; Dixon, S.F.; Schofield, E.; Bargar, J.R.; and Giammar, D.E.. "Uranium(IV) oxide surface reactivity". Presented at the 2007 Goldschmidt Conference, Symposium on Metal Oxide Surface Reactivity from the Nano to Macro-Scale. August, 24, 2007, Cologne, Germany. [oral]
• Schofield, E.; Bernier-Latmani, R.; Veeramani, H.; Sharp, J.; Clark, D. L.; Conradson, S. D.; and Bargar, J.R.. "Structural chemistry of cation doped bacteriogenic UO2". Presented at the 2007 Goldschmidt Conference, symposium on microbial mineralization. August, 21, 2007, Cologne, Germany. [poster]
• Bernier-Latmani, R.; Sharp, J.; Suvorova, E.; Veeramani, H.; Bargar, J.R.; Schofield, E.J.; Giammar, D. E.; Ulrich, K. U.; Chinni, S.; Tebo, B. M.; Clark, D. L.; and Conradson, S. D.. "Biogeochemical processes governing the stability of bacteriogenic UO2+x". Presented at the Frontiers in Mineral Sciences 2007 Conference, Cambridge, UK, June 26-28. 2007. [poster]
• Bargar, J. R.; Schofield, E.; Bernier-Latmani, R.; Sharp, J.; Suvorova, E.; Veeramani, H.; Giammar, D. E.; Ulrich, K. U.; Chinni, S.; Tebo, B. M.; Clark, D. L.; Conradson, S. D.. "Coupled biogeochemical processes governing the stability of bacteriogenic UO2+x". Presented at the 2nd Annual ERSP PI Meeting, Lansdowne, VA, April 18, 2007. [poster]
• Giammar, D.E.; Ulrich, K.U.; Dixon, S.F.; Bernier-Latmani, R.; Veeramani, H.; Sharp, J.; Schofield, E.J.; Tebo, B.M.; Bargar, J.R.. "Stability of bacteriogenic uranium(IV) oxide nanoparticles for environmental remediation". Presented at the 233rd ACS National Meeting, Symposium on Understanding Radionuclide Transport in the Environment: Remediation, Nuclear Waste Disposal, and Long-term Stewardship, Chicago, Il, March 29. 2007. [oral]
• Schofield, E.J.; Bernier-Latmani, R.; Veeramani, H.; Sharp, J.; Clark, D.L.; Conradson, S.D.; and Bargar, J.R.. "Structural chemistry of cation-doped bacteriogenic UO2". Presented at the 2006 Fall Conference of the American Geophysical Union, Session on Frontiers in Biomineralization Research I: Processes and Signatures in Natural and Model Systems, San Francisco, CA, Dec. 12, 2006. [poster]
• Veeramani, H.; Bernier-Latmani, R.; Bargar, J.R.; Giammar, D.E.; and Tebo, B.M.. "Coupled biogeochemical processes governing the stability of bacteriogenic UO2+x". Presented at the DOE Environmental Remediation Sciences Program Fall Meeting, Oak Ridge, TN, October 23-25. 2006. [poster]
• Schofield, E.; Veeramani, H.; Pope, A.; Bencheikh-Latmani, R.; Webb, S.; Mehta, A.; and Bargar, J.R.. "Structural chemistry of bacteriogenic UO2". Presented at the 2006 SSRL Users’ Conference, Stanford, CA, October 12. 2006. [poster]
• Bargar, J.R.; Bernier-Latmani, R.; Giammar, D.E.; and Tebo, B.M.. "Coupled biogeochemical processes governing the stability of bacteriogenic UO2+x". Presented at the DOE Environmental Remediation Sciences Program Workshop at INEL, Idaho Falls, ID, June 12-14. 2006. [poster].
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