Pulse radiolytic study of electron transfer reaction for fast repair of the one-electron oxidized radicals of dAMP and dGMP by hydroxycinnamic acid derivatives

Abstract

Abstract Using the techniques of pulse radiolysis, it has been demonstrated that the interaction of one-electron-oxidized radicals of dAMP (2'-deoxyadenosine-5-monophosphate) and dGMP (2'-deoxyguanosine-5'-monophosphate), produced by SO − 4 radical reaction, with hydroxycinnamic acid derivatives proceeds via electron transfer reaction. The rate constants of electron transfer from hydroxycinnamic acid derivatives to oxidizing free radicals of dAMP and dGMP were obtained to be (1–3)×10 9 dm 3 mol −1 s −1 .