Award Abstract #0237479
Collaborative Research: NIRT: The Role of Nano-scale Colloids in Particle Aggregation and Trace Metal Scavenging in Aquatic Systems

NSF Org:	CBET Division of Chemical, Bioengineering, Environmental, and Transport Systems
Initial Amendment Date:	September 10, 2002
Latest Amendment Date:	September 13, 2006
Award Number:	0237479
Award Instrument:	Standard Grant
Program Manager:	Clark C. K. Liu CBET Division of Chemical, Bioengineering, Environmental, and Transport Systems ENG Directorate for Engineering
Start Date:	September 15, 2002
Expires:	August 31, 2007 (Estimated)
Awarded Amount to Date:	$320246
Investigator(s):	Adrian Burd adrianb@uga.edu (Principal Investigator)
Sponsor:	University of Georgia Research Foundation Inc 621-630 GRADUATE STUDIES ATHENS, GA 30602 706/542-5939
NSF Program(s):	NANOSCALE: INTRDISCPL RESRCH T, ENVIRONMENTAL ENGINEERING
Field Application(s):	0313040 Water Pollution, 0316000 Trace Contaminants
Program Reference Code(s):	EGCH, 9187, 1674
Program Element Code(s):	1674, 1440

ABSTRACT

0237479 Burd The proposal addresses the role that nano-scale colloids play in the transport of trace metals and pollutants in natural environmental and engineered systems.

The combination of experimental studies encompassing microscopic methods (AFM and EM), synchrotron-based methods (SAXS, XAS), and multi-scale modeling will aid in elucidating the significance of particulate material in aquatic systems.

This project is collaborative and multi-disciplinary, combining expertise from chemistry, biology, and modeling to investigate the role of fibrils and macromolecules in inorganic colloid aggregation. Results of this work should help in the understanding the self-cleansing capacity of fresh, estuarine and marine waters through transport and sedimentation. Of special interest is the understanding of the similarities and differences between freshwater and seawater.

This proposal was received in response to the Nanoscale Science and Engineering Initiative, NSF 01-157, category NIRT.

PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH

Aisling M. Metcalfe, Serge Stoll and Adrian Burd. "The effect of inhomogeneous stickiness on polymer aggregation," Journal of Colloid and Interface Science, v.298, 2006, p. 629.

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