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Bioelectrochemical activation and inhibition of polyaniline glucose oxidase electrode by cations

✍ Scribed by Mu Shaolin; Kan Jinqing

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 496 KB
Volume: 40
Category: Article
ISSN: 0013-4686
DOI: 10.1016/0013-4686(94)e0185-3

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✦ Synopsis

The effect of 14 metal cations and NHf on the response current of a polyaniline glucose oxidase electrode is investigated in this paper. The immobilized glucose oxidase is only activated by Mn2+ among investigated cations. Based on the experimental results, a mechanism of the activation kinetics of the immobilized glucose oxidase in the presence of Mn2+ is presented, that is E + M + EM, EM + S + EMS + EM + P, and a rate equation from this model is given. The inhibition of glucose oxidase by Cu 2+ is reversible and non-competitive.

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