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学科主题: Chemistry
题名: Nonenzymatic uric acid electrochemical sensor based on graphene-modified carbon fiber electrode
作者: Du Jiao; Yue Ruirui; Yao Zhangquan; Jiang Fengxing; Du Yukou; Yang Ping; Wang Chuanyi
关键词: Graphene ; Uric acid ; Carbon fiber ; Sensor
刊名: COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
发表日期: 2013
DOI: 10.1016/j.colsurfa.2012.11.060
卷: 419, 期:2, 页:94-99
收录类别: SCI
资助者: National Natural Science Foundation of China 20933007, 51073114, 51073074, 50963002; key scientific project from Ministry of Education, China 2007-207058; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD); Natural Science Foundation of Jiangxi province 2007GZH1091; Jiangxi Provincial Department of Education GJJ08369
摘要: A facile and cost effective approach has been developed towards electrochemical fabrication of graphene-modified carbon fiber electrode (GE/CFE) to determine the content of uric acid (UA) via cyclic voltammetry (CV) and potentiostatic (i-t) methods. The combined merits of GE and CFE endow the electrode with large specific surface area and high electrical conductivity. The advantage of thus obtained GE/CFE for UA detection is supported by its higher peak current intensity and lower oxidation potential compared with those of bare glassy carbon electrode (GCE), bare carbon fiber electrode (CFE), and graphene-modified glassy carbon electrode (GE/GCE). Further amperometric study gives a wide liner range from 0.194 mu M to 49.68 mu M and a low detection limit of 0.132 mu M (S/N = 3) with fast response time for the determination of UA on GE/CFE. The determination of UA with GE/CFE is highly selective and reproducible, within a relative standard deviation of 2.8%. (c) 2012 Elsevier B.V. All rights reserved.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/2681
Appears in Collections:环境科学与技术研究室_期刊论文

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作者单位: Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China;Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Xinjiang Key Lab Elect Informat Mat & Devices, Urumqi 830011, Peoples R China

Recommended Citation:
Du Jiao,Yue Ruirui,Yao Zhangquan,et al. Nonenzymatic uric acid electrochemical sensor based on graphene-modified carbon fiber electrode[J]. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,2013,419(2):94-99.
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