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Direct Electrochemical Tyrosinase Biosensor based on Mesoporous Carbon and Co3O4 Nanorods for the Rapid Detection of Phenolic Pollutants
文献类型:期刊论文
作者:Wang, Xue[1]  Lu, Xianbo[2]  Wu, Lidong[3]  Chen, Jiping[4]  
机构排名:[1]Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China.;Univ Chinese Acad Sci, Beijing 100049, Peoples R China.;
[2]Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China.;
[3]Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China.;Chinese Acad Fishery Sci, Beijing 100141, Peoples R China.;
[4]Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China.;
通讯作者:Lu, XB (reprint author), Chinese Acad Sci, Dalian Inst Chem Phys, 457 Zhongshan Rd, Dalian 116023, Peoples R China.
年:2014
期刊名称:CHEMELECTROCHEM影响因子和分区
卷:1
期:4
页码范围:808-816
增刊:正刊
收录情况:SCI(E)(WOS:000338296100017)  
所属部门:院机关
语言:外文
ISSN:2196-0216
被引频次:18
人气指数:673
浏览次数:673
基金:National Natural Science Foundation of China [20907051]; National High Technology Research and Development Program of China [2013AA065203]; Knowledge Innovation Program of the Chinese Academy of Sciences [DICP K2010C1]
关键词:biosensors; electron transfer; mesoporous materials; nanostructures; phenolic chemicals
摘要:
A novel tyrosinase (Tyr) biosensor based on a graphitized ordered mesoporous carbon/cobaltosic oxide nanorod (GMC/ Co3O4) nanocomposite is developed for the rapid detection of phenolic pollutants. By applying the GMC/Co3O4 nanocomposite as an enzyme immobilization matrix, rapid direct electron transfer between Tyr and the electrode is achieved. The biosensor exhibits a wide linear response for catechol, ranging from 5.0 x 10(-8) to 1.3 x 10(-5) m, with a limit of detection down to 25 nm and a re ...More
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