Electrochemical activity of an Fe(III)-reducing bacterium, Shewanella putrefaciens IR-1, in the presence of alternative electron acceptors

被引：121
|
作者：
Kim, BH
Ikeda, T
Park, HS
Kim, HJ
Hyun, MS
Kano, K
Takagi, K
Tatsumi, H
机构：
[1] KIST, Water Environm Res Ctr, Sungpook Ku, Seoul 136791, South Korea
[2] Kyoto Univ, Grad Sch Agr, Div Appl Life Sci, Sakyo Ku, Kyoto 606, Japan
来源：
BIOTECHNOLOGY TECHNIQUES | 1999年 / 13卷 / 07期
关键词：
bioelectrochemistry; cyclic voltammetry; metal reducing bacterium; Shewanella putrefaciens;
D O I：
10.1023/A:1008993029309
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
Cyclic voltammetry demonstrated that cells of Shewanella putrefaciens grown under anaerobic conditions without nitrate were electrochemically active. The electrochemical activity was inactivated reversibly by exposure to air, but not by nitrate. Lactate and an applied potential at +200 mV against an Ag/AgCl reference electrode restored the electrochemical activity. These findings can be used to improve the performance of a mediator-less microbial fuel cell using electrochemically active bacteria in the presence of nitrate.
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收藏
页码：475 / 478
页数：4
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