Assembly of direct-electron-transfer-type bioelectrodes with high performance
Assembly of direct-electron-transfer-type bioelectrodes with high performance
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高性能直接电子转移型生物电极的组装
DOI：
10.1016/j.electacta.2018.03.163
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发表时间：
2018
影响因子：
6.6
通讯作者：
Kano Kenji
中科院分区：
文献类型：
--
作者：
Sakai Kento;Xia Hong-qi;Kitazumi Yuki;Shirai Osamu;Kano Kenji
直接电子转移生物电催化是开发生物电化学装置如生物传感器、生物燃料电池和生物反应器的基本类型的反应。在这项工作中，我们进行了几个修改的介孔电极，以提高非均相电子转移动力学和三种不同的酶的方向：胆红素氧化酶从疣孢漆斑菌，氢化酶从脱硫弧菌vulgarisMiyazaki F，和含钨的甲酸脱氢酶从扭脱甲基杆菌AM1。基于介孔结构的曲率效应、微孔结构周围扩散双电层的边缘效应以及酶与电极之间的静电相互作用对结果进行了讨论。
Direct electron transfer bioelectrocatalysis is an essential type of reaction for the development of bioelectrochemical devices such as biosensors, biofuel cells, and bioreactors. In this work, we performed several modifications of mesoporous electrodes to improve the heterogeneous electron transfer kinetics and the orientation of three different enzymes: bilirubin oxidase fromMyrotheciumverrucaria, hydrogenase fromDesulfovibrio vulgarisMiyazaki F, and tungsten-containing formate dehydrogenase fromMethylobacterium extorquensAM1. The results are discussed based on the curvature effects of mesoporous structures, the edge effect of the diffuse double layer around microporous structures, and the electrostatic interactions between enzymes and electrodes.