Mitochondrial bioelectrocatalysis for biofuel cell applications

被引：40

作者：

Arechederra, Robert L. ^{[1
]}

Boehm, Kevin ^{[1
]}

Minteer, Shelley D. ^{[1
]}

机构：

[1] St Louis Univ, Dept Chem, St Louis, MO 63103 USA

来源：

ELECTROCHIMICA ACTA | 2009年 / 54卷 / 28期

基金：

美国国家科学基金会;

关键词：

Mitochondria; Biofuel cell; Bioelectrocatalysis; Pyruvate; Fatty acid oxidation; Cytochrome c; TRICARBOXYLIC-ACID CYCLE; METHANOL FUEL-CELL; FORMIC-ACID; ELECTROPOLYMERIZED AZINES; DEHYDROGENASE ENZYMES; TRANSPORT-PROPERTIES; NADH-OXIDATION; PT-RU; ELECTRODES; MEMBRANES;

D O I：

10.1016/j.electacta.2009.07.043

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Mitochondria modified electrodes have been developed and characterized that utilize whole mitochondria isolated from tubers and immobilized within a quaternary ammonium modified Nafion membrame on a carbon electrode that can oxidize pyruvate and fatty acids. Detailed characterization of the performance of these mitochondria modified electrodes has been accomplished by coupling the mitochondria-based bioanode with a commercial air breathing cathode in a complete pyruvate/air biofuel cell. The studies included the effect of fuel (pyruvate) concentration, mitochondria lysing, temperature and pH on the performance of the mitochondria catalyzed, pyruvate/air biofuel cell. Effect of oxygen and cytochrome c oxidase inhibitors on biofuel cell performance has allowed us to further understand the mechanism of electron transfer with the carbon electrode. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：7268 / 7273

页数：6

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