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Abstract
The interfacial mass transfer of mediators of anodic oxidation of glucose using bromide ion and hypobromite ion as the redox mediator was studied. Both the experimental results and the theoretical analysis indicate that the rate of oxidation of glucose is independent of the concentration of glucose but significantly affected by the interfacial mass transfer and the initial concentration of the mediator, the ratio of the surface area of electrode to the volume of solution, and the rate of generation of the active mediator. The interfacial mass transfer coefficient and the rate constants of the generating mediators were obtained.