Selective fluorescence quenching of benzo[a]pyrene and a mutagenic diol epoxide derivative in mouse cells

epoxy-7, 8, 9, 10-tetrahydroben:io [a J pyrene; DMSO ,. dimethyl sulfoxide; s• It "• GM, 1. 5 mM Na 2 Hro 4 ;1. 1 mM KH 2 ro 4 at pH 7. 4 with 1. 1 mM glucose, 0.14 M NaCl, and 5 mM KCl; NOI, n-octyl iodide; MBalb, MSV /MLV Balb