a
Department of Chemical and Biological Engineering, 303 Furnas Hall, The University at Buffalo, The State University of New York, Buffalo, USA
E-mail: swihart@buffalo.edu
;
Fax: +1 716-645-3822
;
Tel: +1 716-645-1181
b
Institute for Lasers Photonics and Biophotonics, 458 Natural Sciences Complex, The University at Buffalo, The State University of New York, Buffalo, USA
E-mail: pnprasad@buffalo.edu
;
Fax: +1 716-645-6945
;
Tel: +1 716-645-4147
c
Department of Chemistry, 359 Natural Sciences Complex, The University at Buffalo, The State University of New York, Buffalo