1. Lucent Technologies, 2000 N.E. Expressway G010, Norcross, Georgia 30071 (L.S.); World Precision Instruments Inc., 175 Sarasota Center Boulevard, Sarasota, Florida 34240-9258 (S.L., V.Z.); and School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332-0400 (M.A.E.)