Mb-Collagen薄膜电极对O<sub>2</sub>,H_2O<sub>2</sub>的电化学催化

李敏; 朱秋芳; 陈志敏

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Mb-Collagen薄膜电极对O₂,H_2O₂的电化学催化

更新时间：2026-09-14

- Mb-Collagen薄膜电极对O₂,H_2O₂的电化学催化
- Mb-Collagen薄膜电极对O₂,H_2O₂的电化学催化
- Issue 4, (2007)
- 作者机构：
  
  太原工业学院应用化学系
- 作者简介：
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- Published：2007
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李敏, 朱秋芳, 陈志敏. Mb-Collagen薄膜电极对O₂,H_2O₂的电化学催化[J]. 2007, (4).
DOI：

李敏, 朱秋芳, 陈志敏. Mb-Collagen薄膜电极对O₂,H_2O₂的电化学催化[J]. 2007, (4). DOI：

摘要

用循环伏安法研究了肌红蛋白(Mb)在胶原蛋白(Collagen)薄膜电极的电化学行为.研究表明

胶原蛋白具有一定的生物适应性

提供了适合于肌红蛋白与石墨电极之间进行直接电子转移的微环境.Mb-Collagen薄膜的循环伏安峰出现在-0.35 V(vs.SCE)左右

为Mb Fe()/Fe()电对的特征峰.H2O2

O2是许多氧化酶催化反应的产物

具有一定的生物意义.Mb-Collagen薄膜可用于对H2O2和O2的电化学催化还原

使它们的还原过电位显著降低

显示了该体系在构筑新型的基于蛋白质直接电化学的生物传感器方面具有潜在的应用价值.

Abstract

The electrochemical properties of myoglobin(Mb) in collagen films electrodes were investigated with cyclic voltammetry.As their biocompatibility

Collagen offers a suitable microenvironment for myoglobin to transfer electron directly with the underlying electrodes.Cyclic voltammetry of Mb-Collagen films show a pair of well-defined and nearly reversible peaks at about-0.35 V(vs.SCE)

characteristic of Mb Fe(Ⅲ)/Fe(Ⅱ) redox couple.Oxygen and hydrogen peroxide are product of electrocatalyze reduction for oxidase

and have the biological significance.They can be used to electrocatalyze reduction of oxygen and hydrogen peroxide with significant decrease of the reduction overpotential.This indicates potential value of the films for the fabrication of a new type of biosensors based on the direct electrochemistry of redox proteins.

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Related Author

李敏

朱秋芳

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Related Institution

太原工业学院应用化学系

山西利民工业有限责任公司科研所

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Mb-Collagen薄膜电极对O2,H_2O2的电化学催化

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Mb-Collagen薄膜电极对O₂,H_2O₂的电化学催化