1. Department of Chemistry and Biochemistry, The City College of New York, New York, New York 10031, United States
2. Chemistry Program, Graduate School and University Center of the City University of New York, New York, New York 10016, United States
3. Department of Environmental Health and Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
4. Swiss Federal Institute of Aquatic Science and Technology (EAWAG), CH-8600 Duebendorf, Switzerland
5. School of Architecture, Civil and Environmental Engineering (ENAC), Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland