Papers Presented

Xu, Y., and Axe, L. Heavy Metal Adsorption on Iron Oxide and Iron Oxide-Coated Silica: Macroscopic, Spectroscopic, and Modeling Studies, Environmental Chemistry Session, 51^st Annual Pentasectional Meeting Oklahoma Sections of the American Chemical Society, ConocoPhillips Technology Center, Bartlesville, OK, April 1, 2006.

Boonfueng, T., Axe, L., Yee, N. Zn(II) Sorption Mechanisms on biogenic Mn oxide Sheathed Leptothrix discophora SP-6, 231st ACS National Meeting, Atlanta, GA, United States, March 26-30, 2006. 

Xu, Y., Axe, L., Yee, N., Dyer, J. A. Surface complexation modeling of heavy metal adsorption and competition on goethite, 231st ACS National Meeting, Atlanta, GA, United States, March 26-30, 2006.

Xu, Y., and Axe, L. Iron Oxide Coatings and Heavy Metal Adsorption on Iron Oxide-Coated Silica: Macroscopic, Spectroscopic, and Modeling Studies 2005 AEESP Research and Education Conference, Clarkson University, Potsdam, NY, July 24-26, 2005.

Boonfueng, T., Axe, L., and Yee, N. Sequestration of Pb by Hydrous Manganese Oxide-Coated Clay SS-67: Speciation of Metals and Metalloids in the Environment: Control by Mineral Structures and Surface Processes 15^th Annual Goldschmidt, Moscow, Idaho, May 20-25, 2005.

Jiang, A., Tyson, T. A., and Axe, L. The structure, stability and origin of β-phase American Physical Society March Meeting, Los Angeles, CA, March, 2005.

Jiang, A., Tyson, T. A., and Axe, L. The Structure and Stability of β-Ta: An Experimental and Theoretical Study Meeting of Materials Science Society, Boston, MA, December, 2004.

Fan, M., Axe, L., and Tyson, T.A. Incorporating intraparticle surface diffusion into a bulk transport code for groundwater modeling Advances in Environmental Reaction Kinetics and Thermodynamics: Long-term Fate of Anthropogenic Contaminants, Division of Environmental Chemistry, 228^th American Chemical Society National Meeting, Philadelphia, PA, Aug. 22-26, 2004.

Boonfueng, T., Axe, L., Fan, M., and Xu, Y. Long-term studies on zinc sorption onto hydrous manganese oxide coated montmorillonite Advances in Environmental Reaction Kinetics and Thermodynamics: Long-term Fate of Anthropogenic Contaminants, Division of Environmental Chemistry, 228^th American Chemical Society National Meeting, Philadelphia, PA, August 22-26, 2004.

 Xu, Y., and Axe, L. Pb Adsorption to Nanometer Iron Oxide Coatings A Symposium Honoring Professor Charles O’Melia, Division of Environmental Chemistry, 228th American Chemical Society National Meeting, Philadelphia, PA, August 22-26, 2004.

 Boonfueng, T., and Axe, L. Adsorption of heavy metals on manganese oxide coated clay 11^th International Symposium on Water Rock Interactions, Environmental Geochemistry, Saratoga Springs, NY, June 27-July 2, 2004.

Xu, Y., and Axe, L. Characterization and Pb adsorption to iron oxide-coated silica 11^th International Symposium on Water Rock Interactions, Environmental Geochemistry, Saratoga Springs, NY, June 27-July 2, 2004.

 Boonfueng, T., and Axe, L. Macro and Microscopic Studies on Zn Sorbed onto Manganese Oxide-coated clay American Chemical Society 78th Colloid and Surface Science Symposium, Chemical Reactivity and Sorption Phenomena, Yale University, June, 2004.

Fan, M., Thongsri, T., Axe, L., and Tyson, T.A. A probabilistic risk assessment addressing metal mobility and bioavailability The 20^th Society of Environmental Toxicology and Chemistry Hudson-Delaware Chapter Annual Meeting, Sandy Hook, NJ, Apr. 22-23, 2004.

Fan, M., Thongsri, T., Axe, L., and T. A. Tyson, A Novel Probabilistic Approach in Ecological Risk Assessment: Test Case Depleted Uranium, Society of Environmental Toxicology and Chemistry 24^th North America Annual Meeting, Session on Methods in Risk Assessment, Austin, TX, Nov. 9-13, 2003.

Fan, M., Xu, Y., Boonfueng, T., Yuan, W., Axe, L., Tyson, T.A., Intraparticle surface diffusion of Pb in amorphous Fe and Mn oxides, Physicochemical Processes in Environmental Systems: A Symposium in Honor of Professor Walter J. Weber, Jr., 226^th American Chemical Society National Meeting, New York, NY, September 7-11, 2003.

Xu, Y., Axe, L., Maeng, S., Trivedi, P., Boonfueng, T., Tyson, T.A., Pandya, K., Adsorption of heavy metals on iron oxide coated silica, Poster Session, Division of Geochemistry, 226^th American Chemical Society National Meeting, New York, NY, September 7-11, 2003.

Boonfueng, T. and Axe, L., Surface properties of manganese oxide coated montmorillonite, Poster Session, Division of Geochemistry, 226^th American Chemical Society National Meeting, New York, NY, September 7-11, 2003.

Boonfueng, T. and Axe, L., Lead adsorption studies on hydrous manganese oxide (HMO), montmorillonite, and HMO coated montmorillonite, Physicochemical Processes in Environmental Systems: A Symposium in Honor of Professor Walter J. Weber, J.r, Division of Environmental Chemistry program, 226^th American Chemical Society National Meeting, New York, NY, September 7-11, 2003.

Xu, Y., and L. Axe, Heavy metal competition on iron oxide coated silica, 77^th America Chemical Society Colloid and Surface Science Symposium, Session on Colloidal and Interfacial in the Environment, Atlanta, GA, June 15-18, 2003.

Fan, M., Axe, L., and T. A. Tyson, Modeling intraparticle diffusion of metal contaminants in amorphous oxide minerals, 77^th America Chemical Society Colloid and Surface Science Symposium, Session on Colloidal and Interfacial in the Environment, Atlanta, GA, June 15-18, 2003.

Fan, M., Thongsri, T., Axe, L., and T. A. Tyson, Metal contaminant mobility, bioavailability, and ecological risk assessment, Society of Environmental Toxicology and Chemistry (SETAC) 23^rd North America Annual Meeting, Session on Ecological Risk Assessment, Salt Lake City, UT, Nov. 16–20, 2002.

Trivedi, P., Axe, L., and T. A. Tyson, Spectroscopic evaluation of diffusion in microporous iron oxide, American Chemical Society 223^rd National Meeting, Division of Geochemistry, Orlando, FL, April 2002. 

Trivedi, P., Axe, L., and T. A. Tyson, Nickel and Zinc Sorption to Hydrous Manganese Oxide: An Investigation with XAS, American Chemical Society, 75^th Colloid and Surface Science Symposium, Colloidal & Interfacial Phenomena in Aquatic Environments, Carnegie Mellon University, Pittsburgh, PA, June 2001.

Trivedi, P., Axe, L., and J. Dyer, Adsorption of Metals onto Goethite: Single Adsorbate and Competitive Systems, American Chemical Society, 75^th Colloid and Surface Science Symposium, Colloidal & Interfacial Phenomena in Aquatic Environments, Carnegie Mellon University, Pittsburgh, PA, June 2001.

Trivedi, P., and L. Axe, Macroscopic and Spectroscopic Studies of Transition Metal Sorption to Hydrous Metal Oxides in Aquatic Environments, Chemical Speciation and Reactivity in Water Chemistry and Water Technology: A Symposium in Honor of James J. Morgan, American Chemical Society Fall 2000 National Meeting, Washington, DC, August 20-24, 2000.

Upadhya, H., Trivedi, P., Axe, L., and J. Dyer, Competitive Adsorption Studies of Ni, Zn, and Ca to Goethite: Single, Binary, and Ternary Systems, 32nd Mid-Atlantic Industrial and Hazardous Waste Conference, RPI, Troy, NY, June 26-28, 2000.

Lu, H., Jing, X., Thongsri, T., Axe, L., and T. A. Tyson, Application of Computer Simulation Tools in Ecological Risk Assessment – Implication of Replacing Electroplated Cr with Alternative Coatings, 32nd Mid-Atlantic Industrial and Hazardous Waste Conference, RPI, Troy, NY, June 26-28, 2000.

Trivedi, P., and L. Axe, Predicting Nickel Sorption to Hydrous Metal Oxides, 74th Colloid and Surface Science Symposium, Colloidal & Interfacial Phenomena in Aquatic Environments, Lehigh University, Bethlehem, PA, June 18-21, 2000.

Lu, H., Weiss, E. J., Axe, L., and T. A. Tyson, Application of Computer Simulation Tools for a Preliminary Ecological Risk Assessment of Replacing Electroplated Chromium with Alternative Coatings, Sustaining Global Environmental Integrity, 20th Annual Meeting of the Society of Environmental Toxicology and Chemistry, Philadelphia, PA, November 14-18, 1999.

Trivedi, P., and L. Axe, Modeling of Cd and Zn Sorption to Hydrous Metal Oxides in Environmental Systems, presented at the Colloidal and Interfacial Phenomena in Aquatic Environments symposium, 217th American Chemical Society National Meeting, Anaheim, CA, March 22-24, 1999.

Axe, L., Tyson, T., Trivedi, P., and T. Morrison, Local Structure Analysis of Strontium Sorption to Hydrous Manganese Oxide, 216th American Chemical Society National Meeting, Boston, MA, August 23-27, 1998.

Trivedi, P., and L. Axe, Characterization of Hydrous Aluminum Oxide and Sorption Studies with Sr and Cd, 72nd Colloid and Surface Science Sympsoium, American Chemical Society, Pennsylvania State University, University Park, PA, June 21-24, 1998.

Axe, L., Bunker, G., Anderson, P., and T. Tyson, An XAFS Analysis of Strontium at the Hydrous Ferric Oxide Surface, 71st Colloid and Surface Science Sympsoium, American Chemical Society, University of Delaware, Newark, June 29-July 2, 1997.

Axe, L., and P. R. Anderson, Experimental and Theoretical Diffusivities of Cd and Sr in HFO, presented at the Sorption of Metals by Earth Materials, Division of Environmental Chemistry, 211th American Chemical Society National Meeting, New Orleans, LA, March 24-28, 1996.

Axe, L., and P. R. Anderson, Sr and Cd diffusion and reaction within Fe Oxides, presented at the Colloidal and Interfacial Phenomena in Aquatic Environments symposium, 209th American Chemical Society National Meeting, Anaheim, CA, April 4-6, 1995.

Invited Papers

Axe, L., XAS Studies on Metal Sorption and Attenuation in Amorphous Fe and Mn Oxides, The Environmental Sciences: Synchrotrons Providing Powerful Tools for a New Science, NSLS Annual Users' Meeting, Brookhaven National Laboratory, Upton, NY May 20-22, 2002.

Axe, L.,Trivedi, P., Spataro, M., and T. Tyson, Laboratory and Spectroscopic Studies of Metal Interactions with Al, Fe, and Mn Oxides, University of Deleware, Soil Science Seminar Series, Department of Plant and Soil Sciences, May 1, 1998.