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Oxygen Reduction Reaction Affected by Sulfate-Reducing Bacteria: Different Roles of Bacterial Cells and Metabolites
Wu, Jiajia1; Liu, Huaiqun2; Wang, Peng1; Zhang, Dun1; Sun, Yan1; Li, Ee1,3
2017-09-01
发表期刊INDIAN JOURNAL OF MICROBIOLOGY
卷号57期号:3页码:344-350
文章类型Article
摘要Sulfate-reducing bacteria (SRB) were found to be capable of tolerating a certain amount of oxygen (O-2), but how they affect oxygen reduction reaction (ORR) has not been clear. The present work investigated the impact of SRB on ORR in 3.5 wt% sodium chloride solution with the cyclic voltammetry method. The addition of SRB culture solution hampered both the reduction of O-2 to superoxide (O (2) (center dot-) ) and hydrogen peroxide (H2O2) to water (H2O), and the influence of SRB metabolites was much larger than that of bacterial cells. Sulfide and extracellular polymeric substances (EPS), typical inorganic and organic metabolic products, had great impact on ORR. Sulfide played an important role in the decrease of cathodic current for H2O2 reduction due to its hydrolysis and chemical reaction activity with H2O2. EPS were sticky, easy to adsorb on the electrode surface and abundant in functional groups, which hindered the transformation of O-2 into O (2) (center dot-) and favored the reduction of H2O2 to H2O.
关键词Sulfate-reducing Bacteria Oxygen Reduction Reaction Sulfide Extracellular Polymeric Substances Cyclic Voltammetry
DOI10.1007/s12088-017-0667-z
收录类别SCI
语种英语
WOS记录号WOS:000408699600012
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/143152
专题海洋腐蚀与防护研究发展中心
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.State Ocean Adm, Shenzhen Marine Environm Monitoring Stn, Shenzhen 518067, Peoples R China
3.Univ Chinese Acad Sci, 19 Jia Yuquan Rd, Beijing, Peoples R China
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Wu, Jiajia,Liu, Huaiqun,Wang, Peng,et al. Oxygen Reduction Reaction Affected by Sulfate-Reducing Bacteria: Different Roles of Bacterial Cells and Metabolites[J]. INDIAN JOURNAL OF MICROBIOLOGY,2017,57(3):344-350.
APA Wu, Jiajia,Liu, Huaiqun,Wang, Peng,Zhang, Dun,Sun, Yan,&Li, Ee.(2017).Oxygen Reduction Reaction Affected by Sulfate-Reducing Bacteria: Different Roles of Bacterial Cells and Metabolites.INDIAN JOURNAL OF MICROBIOLOGY,57(3),344-350.
MLA Wu, Jiajia,et al."Oxygen Reduction Reaction Affected by Sulfate-Reducing Bacteria: Different Roles of Bacterial Cells and Metabolites".INDIAN JOURNAL OF MICROBIOLOGY 57.3(2017):344-350.
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