GEOCMonday, 29 August 2005

1:30 PM-5:10 PM Washington DC Convention Center -- 204C, Oral
Research, Education and Outreach in the NSF Environmental Molecular Science Institutes
Organic Geochemisty
Organizers:James Kubicki
Christopher M. Hadad
Richard J. Reeder
Presiding:Patrick G. Hatcher
Patricia A. Maurice
1:30 PMCondensed aromatic ring structures (CARS) from ultrahigh-resolution mass spectral analysis of dissolved organic matter: Implications for the export of black carbon in soils
Patrick G Hatcher, William C. Hockaday, Amanda M. Grannas, Sunghwan Kim
1:50 PMReactions of hydroxyl radical with polycyclic aromatic hydrocarbons in non-aqueous solutions
Matthew P. DeMatteo, James S. Poole, Xiaofeng Shi, Matthew S. Platz, Christopher M. Hadad
2:10 PMExperimental and theoretical study of methyl radical adsorption on hematite(0001) surface
Xiaoyan Ma, Li Liu, Jianjian Jin, Peter C Stair, Don E. Ellis
2:30 PMSurface complexation of 2'-deoxyadenosine 5'-monophosphate with alumina surface: ATR-FTIR, 31P solid NMR, and electronic structure studies
Kideok D. Kwon, Roderick A. Fry, Karl T. Mueller, James D. Kubicki
2:50 PMMulti-elements distributions at organic film-mineral and biofilm-mineral interfaces: Long-period X-ray Standing Wave (XSW) study
Tae Hyun Yoon, Karim Benzerara, Thomas P. Trainor, Peter Eng, Gordon E. Brown Jr.
3:10 PMIntermission
3:30 PMThe effects of siderophores on the adsorption of Pb to kaolinite
Patricia A. Maurice, Bhoopesh Mishra, Elizabeth A. Haack, Sarah Hepinstall, Bruce A Bunker
3:50 PMPb Speciation in the presence of siderophores: An example of the importance of molecular approaches in environmental biogeochemistry
Bhoopesh Mishra, Elizabeth A. Haack, Patricia A. Maurice, Bruce A Bunker
4:10 PMEffects of Fe on physicochemical characteristics of natural organic matter
Patricia A. Maurice, Michael J. Pullin, Charles Anthony III
4:30 PMThe application of size exclusion chromatography with absorbance, fluorescence and online dissolved organic carbon detection in a study of the oxidation of dissolved organic matter
David I. Kreller, Prashant Kamat, Patricia A. Maurice
4:50 PMCharacterizing the structure of dicarboxylic acids at the hematite/water interface
Yu Sik Hwang, Jin Liu, John J. Lenhart, Christopher M. Hadad

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The 230th ACS National Meeting, in Washington, DC, Aug 28-Sept 1, 2005