Catalysis of oxygen reduction reaction by an iron-reducing bacterium isolated from marine corrosion product layers

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	Catalysis of oxygen reduction reaction by an iron-reducing bacterium isolated from marine corrosion product layers
	Wu, Jiajia1 ; Wang, Peng 1; Zhang, Dun 1; Chen, Shiqiang1 ; Sun, Yan 1; Wu, Jinyi 2
刊名	JOURNAL OF ELECTROANALYTICAL CHEMISTRY
	2016-08-01
卷号	774 页码:83-87
关键词	Oxygen reduction reaction Catalysis Thalassospira sp. Rotating ring-disk electrode
英文摘要	The impact of Thalassospira sp., an iron-reducing bacterium isolated from marine corrosion product layers, on oxygen reduction reaction (ORR) has been investigated in the present study. ORR catalysis has been observed on a glassy carbon (GC) electrode when it is exposed to phosphate-buffered saline containing Thalassospira sp., and the adhesive biofilm consisting of bacterial cells and metabolites is believed to be responsible for the catalysis. A certain time of contact between the electrode and live cells is necessary for ORR catalysis, but the metabolic activity of cells after adhesion is not vital for the catalysis, and adsorbed compounds excreted by bacteria play a more important role. The ORR catalytic activity of Thalassospira sp. does not depend directly on bacterial surface coverage given the results of cyclic voltammetry and scanning electron microscopy. For the ORR kinetics analysis, the 4-electron pathway with H2O as the final product is achieved by the biofilm, which is different from the predominant 2-electron transformation on the bare GC electrode. (C) 2016 Elsevier B.V. All rights reserved.
收录类别	SCI
语种	英语
WOS记录号	WOS:000379558800012
内容类型	期刊论文
源URL	[http://ir.qdio.ac.cn/handle/337002/130953]
专题	海洋研究所_海洋腐蚀与防护研究发展中心
作者单位	1.Chinese Acad Sci, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China 2.Hainan Univ, Coll Mat & Chem Engn, Remin Ave 58, Haikou 570228, Peoples R China
推荐引用方式 GB/T 7714	Wu, Jiajia,Wang, Peng,Zhang, Dun,et al. Catalysis of oxygen reduction reaction by an iron-reducing bacterium isolated from marine corrosion product layers[J]. JOURNAL OF ELECTROANALYTICAL CHEMISTRY,2016,774:83-87.
APA	Wu, Jiajia,Wang, Peng,Zhang, Dun,Chen, Shiqiang,Sun, Yan,&Wu, Jinyi.(2016).Catalysis of oxygen reduction reaction by an iron-reducing bacterium isolated from marine corrosion product layers.JOURNAL OF ELECTROANALYTICAL CHEMISTRY,774,83-87.
MLA	Wu, Jiajia,et al."Catalysis of oxygen reduction reaction by an iron-reducing bacterium isolated from marine corrosion product layers".JOURNAL OF ELECTROANALYTICAL CHEMISTRY 774(2016):83-87.