[1] Univ Connecticut, Dept Chem, Storrs, CT 06269 USA
[2] Univ Connecticut, Ctr Hlth, Dept Pharmacol, Farmington, CT 06032 USA
[3] Salve Regina Univ, Dept Chem, Newport, RI 02840 USA
[4] Univ Connecticut, Inst Mat Sci, Storrs, CT 06269 USA
[5] NCI, Pathogenet Unit, Ctr Adv Technol, Pathol Lab,Ctr Canc Res, Bethesda, MD 20892 USA
[6] NCI, Urol Oncol Branch, Ctr Canc Res, Bethesda, MD 20892 USA
[7] Natl Inst Dent & Craniofacial Res, Oral & Pharyngeal Canc Branch, NIH, Bethesda, MD 20892 USA