A biopolymer composite that catalyzes the reduction of oxygen to water

被引:38
作者
Fei, Jiangfeng
Song, Hyun-Kon
Palmore, G. Tayhas R. [1 ]
机构
[1] Brown Univ, Div Engn, Providence, RI 02912 USA
[2] Brown Univ, Div Biol & Med, Providence, RI 02912 USA
关键词
D O I
10.1021/cm0608490
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A biopolymer composite consisting of polypyrrole, ABTS, and laccase (PAL) was electrodeposited onto the surface of an electrode and was shown to catalyze the reduction of dioxygen to water under acidic conditions. The catalytic activity of this biopolymer composite is highest at pH 4, decreasing with increasing pH. The activity of laccase immobilized within this polymer composite was found to be higher than laccase dissolved in solution when methanol was present or at elevated temperatures.
引用
收藏
页码:1565 / 1570
页数:6
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