Affiliation: | School of Civil and Environmental Engineering, Hollister Hall, Cornell University, Ithaca, New York 14853,1. Department of Materials Science and Engineering, 214 Bard Hall, Cornell University, Ithaca, New York 14853,2. Department of Microbiology, B35A Wing Hall, Cornell University, Ithaca, New York 14853,3. School of Chemistry and Biochemistry, Administration Building, Georgia Institute of Technology, Atlanta, Georgia 303324. |