标题:A method based on electrodeposition of reduced graphene oxide on glassy carbon electrode for sensitive detection of theophylline
作者:Cui, F.;Zhang, X.
作者机构:[Cui, F] School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China;[ Zhang, X] School of Chemistry and Chemical Engineeri 更多
通讯作者:Zhang, X
通讯作者地址:[Zhang, XL]Shandong Univ, Sch Chem & Chem Engn, Jinan 250100, Peoples R China.
来源:Journal of solid state electrochemistry
出版年:2013
卷:17
期:1
页码:167-173
DOI:10.1007/s10008-012-1867-4
关键词:Electrochemical sensor;Electrodeposition;Graphene;Theophylline
摘要:Graphene nanosheets were directly electrodeposited onto a glassy carbon electrode (GCE) from the electrolyte solution containing graphene oxide (GO); the resulting electrode (ED-GO/GCE) was characterized with scanning electron microscopy. A simple and rapid electrochemical method was developed for the determination of theophylline (TP), based on the excellent properties of ED-GO film. The result indicated that ED-GO film-modified GCE exhibited efficient electrocatalytic oxidation for TP with relatively high sensitivity and stability. The electrochemical behavior of TP at ED-GO/GCE was investigated in detail. Under the optimized conditions, the oxidation peak current was proportional to the TP concentration in the range of 8.0 × 10~(-7) to 6.0 × 10~(-5) mol L~(-1) with the detection limit of 1.0 × 10~(-7) mol L~(-1) (S/N = 3). The proposed method was successfully applied to green tea samples with satisfactory results.
收录类别:EI;SCOPUS;SCIE
WOS核心被引频次:14
Scopus被引频次:16
资源类型:期刊论文
原文链接:https://www.scopus.com/inward/record.uri?eid=2-s2.0-84872295111&doi=10.1007%2fs10008-012-1867-4&partnerID=40&md5=8e1d10c40c7aeb8e9ff4aa470b2a1db0
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