High current density bioelectrolysis of D-fructose at fructose dehydrogenase-adsorbed and Ketjen black-modified electrodes without a mediator

被引：76

作者：

Kamitaka, Yuji ^{[1
]}

Tsujimura, Seiya ^{[1
]}

Kano, Kenji ^{[1
]}

机构：

[1] Kyoto Univ, Div Appl Life Sci, Grad Sch Agr, Sakyo Ku, Kyoto 6068502, Japan

来源：

CHEMISTRY LETTERS | 2007年 / 36卷 / 02期

关键词：

D O I：

10.1246/cl.2007.218

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

D-Fructose dehydrogenase (FDH) has been irreversibly adsorbed without loss of the enzymatic activity on Ketjen black (KB)-modified glassy carbon electrodes, although the adsorption rate is very slow probably owing to the microstructure of KB. The FDH-adsorbed electrode produced the enzyme- kinetic-controlled catalytic oxidation wave Of D-fructose at current densities of as high as 10mAcm(-2) without a mediator, in which the electron in FDH seems to be directly transferred to the electrode via the heme c site. No hindrance was observed in the mass transfer Of D-fructose to KB-modified electrodes.

引用

页码：218 / 219

页数：2

共 24 条

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