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Nonenzymatic uric acid electrochemical sensor based on graphene-modified carbon fiber electrode
Du Jiao; Yue Ruirui; Yao Zhangquan; Jiang Fengxing; Du Yukou; Yang Ping; Wang Chuanyi
2013
Source PublicationCOLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
ISSN0927-7757
Volume419Issue:2Pages:94-99
AbstractA 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.
KeywordGraphene Uric Acid Carbon Fiber Sensor
Subject AreaChemistry
DOI10.1016/j.colsurfa.2012.11.060
Indexed BySCI
WOS IDWOS:000314446500013
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Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/2681
Collection环境科学与技术研究室
AffiliationSoochow 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
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GB/T 7714
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.
APA Du Jiao.,Yue Ruirui.,Yao Zhangquan.,Jiang Fengxing.,Du Yukou.,...&Wang Chuanyi.(2013).Nonenzymatic uric acid electrochemical sensor based on graphene-modified carbon fiber electrode.COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,419(2),94-99.
MLA Du Jiao,et al."Nonenzymatic uric acid electrochemical sensor based on graphene-modified carbon fiber electrode".COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 419.2(2013):94-99.
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