Affiliation: | (1) Department of Chemistry and Biochemistry, The University of South Carolina, Columbia, SC 29208, USA;(2) FBI Laboratory, Counterterrorism and Forensic Science Research Unit, FBI Academy, Quantico, VA 22135, USA;(3) Chemistry Unit, FBI Laboratory, Quantico, VA 22135, USA;(4) Present address: Vertex Pharmaceuticals, 130 Waverly Street, Cambridge, MA 02139-4242, USA;(5) Present address: Building 82, Eastman Kodak Co., 1999 Lake Ave., Rochester, NY 14650-2140, USA;(6) Present address: Waters Associates, 34 Maple Street, Milford, MA 01757-3696, USA |