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Keywords:

  • catalysis;
  • electron transfer;
  • metal ions;
  • superoxide dismutase;
  • oxygen;
  • fullerene

Abstract

Catalysis in electron transfer reactions between electron donors and acceptors is described and the important mechanistic insight is provided by showing a number of examples of both thermal and photochemical reactions that involve metal ion-catalyzed electron transfer processes as the rate-determining steps. The quantitative measure of Lewis acidity of metal ions was obtained from the gzz values of ESR spectra of superoxide–metal ion complexes which vary significantly depending on the type of metal ions. Copyright © 2002 John Wiley & Sons, Ltd.