GEOCSunday, March 28, 2004

1:25 PM-5:05 PM Marriott -- Marquis NE, Oral
Chemistry of Metals in Terrestrial and Aquatic Systems
Biogeochemistry
Organizer, Presidings:Stephan Kraemer
Bernd Nowack
1:25 PM Introductory Remarks
1:30 PM 10Amphiphilic and α-hydroxy acid-containing siderophores from marine bacteria
Alison Butler
2:10 PM 11Light induced dissolution of iron(III)(hydr)oxides in the presence of siderophores
Stephan Kraemer, Paul Borer, Barbara Sulzberger
2:30 PM 12Interactions between algal/bacterial populations and trace metals in fjordic surface waters during a nutrient-stimulated diatom bloom
François L.L. Muller, Aud Larsen
2:50 PM 13Complexation of transition metals by phytosiderophores: Implications for metal-phytotoxicity and food-chain transfer
Suzanne M. Reichman, David R. Parker Sr.
3:10 PM 14Use of novel synchrotron-based techniques to explore the connection between metal speciation in soils and plants
David H. McNear Jr., Edward Peltier, Jeff Everhart, D. L. Sparks, Rufus L. Chaney, S. Sutton, M. Newville
3:30 PM 15Speciation of cadmium and zinc in saline soil solutions and their relationship with Cd and Zn concentrations in wheat shoots
Amir H. Khoshgoftar, Hossein Shariatmadari, David R. Parker, Suzanne M. Reichman
3:50 PM Intermission
4:05 PM 16Transformation of selenite and selenate by the facultative aerobe - Ralstonia metallidurans CH34
Laure Avoscan, Richard N Collins, Géraldine Sarret, Marie Carriere, Jacques Covès, Barbara Gouget
4:25 PM 17Biogeochemical dynamics of iron and sulfur in sediments from hydro-electric dams submitted to wetting and drying cycles
Michelle V. Nugent, Kristi Hindle, David R.S. Lean, Danielle Fortin
4:45 PM 18Analysis of copper and nickel in plants from mineralised areas in Botswana
Bonang B. M. Nkoane, Gerald M. Sawula, Grethe Wibetoe

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The 227th ACS National Meeting, Anaheim, CA, March 28-April 1, 2004