GEOCTuesday, March 30, 2004

1:00 PM-5:50 PM Marriott -- Marquis NW, Oral
Interfacial Phenomena: Linking Atomistic and Macroscopic Properties
Structure and Properties of Interfacial Water and Nanoparticle Surface Reactivity
Organizers:David J. Wesolowski
Gordon E. Brown Jr.
1:00 PM 81Structure and bonding of water on metal surfaces
Anders Nilsson, Lars G.M. Pettersson, Hirohito Ogasawara
1:30 PM 82Structure and dynamics of fluids in confined geometries
David R. Cole, J. Michael Simonson, M. S. Gruszkiewicz, Ariel A. Chialvo, George D. Wignall, Yuri B. Melnichenko, J.S. Lin, Gary W. Lynn, Baohua Gu, Karren L. More, T. D. Burchell, Peter T. Cummings, Yongsheng Leng, Keith E. Gubbins, Alberto Striolo, William T. Cooper, Michael Schilling, A. Habenschuss
2:00 PM 83Viscosity and hydrophobicity of interfacial water
Steve Granick
2:30 PM 84How water meets a hydrophobic surface
Adelé Poynor, Ashis Mukhophadyay, Steve Granick
2:50 PM 85Capillary condensation and phase transitions in confined spaces and its implications for the hydrophobic interaction
Nobuo Maeda, Mika Kohonen, Kenny Rosenberg, Richard Pashley
3:10 PM Intermission
3:20 PM 86Characterizing titanium dioxide nanoparticles using molecular dynamics simulations
Pavan K. Naicker, Vishal N Koparde, Peter T. Cummings, Ariel A. Chialvo
3:40 PM 87Soft X-ray spectromicroscopy study of the colloidal behavior of various mineral-NOM suspensions
Tae Hyun Yoon, Stephen B. Johnson, Karim Benzerara, Tolek Tylszczak, Gordon E. Brown Jr.
4:00 PM 88Phase transitions and chemical reactions at the nano-scale: Effects of confinement
Benoit Coasne, Keith E. Gubbins, Francisco Hung, Erik Santiso, Malgorzata Sliwinska-Bartkowiak
4:30 PM 89Structure of water in nano-confinement between two talc (001) surfaces
Jianwei Wang, Andrey G. Kalinichev, R. James Kirkpatrick
4:50 PM 90Unique reactivity and speciation of heavy metals on goethite nanoparticles
Christopher S. Kim, Jillian F. Banfield, Glenn A. Waychunas
5:10 PM 91Size dependent reactivity of iron oxyhydroxide nanoparticles
Amy J. Anschutz, R. Lee Penn
5:30 PM 92Testing geochemical reactivity as a function of mineral size: Manganese oxidation promoted by hematite nanoparticles
Andrew S. Madden, Michael F. Hochella Jr.

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