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Keywords:

  • catalytic oxidation;
  • glucose oxidation;
  • gold;
  • hydrogen peroxide;
  • oxygen

Abstract

Careful analytical determinations show that the gold-catalysed aerobic oxidation of glucose occurs through a two-electrons mechanism leading to gluconate and hydrogen peroxide. This latter decomposes before reaching the critical concentration for competing with O2 in glucose oxidation. A mechanism of glucose oxidation on gold nanoparticles is presented.