Determination of Rutin by a Graphene-Modified Glassy Carbon Electrode

被引：21
作者：
Lei, Yan [1 ,2 ]
Du, Danxin [1 ]
Tang, Lina [1 ]
Tan, Chenkun [1 ]
Chen, Keli [2 ]
Zhang, Guo-Jun [1 ]
机构：
[1] Hubei Univ Chinese Med, Sch Lab Med, Wuhan 430065, Peoples R China
[2] Hubei Univ Chinese Med, Sch Pharm, Wuhan 430065, Peoples R China
来源：
ANALYTICAL LETTERS | 2015年 / 48卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Rutin; Electrochemistry; Graphene; Cyclic voltammetry; Differential pulse voltammetry; IONIC LIQUID ELECTRODE; ELECTROCHEMICAL SENSOR; SENSITIVE DETECTION; GOLD NANOPARTICLES; OXIDE; DNA; EXTRACTION; QUERCETIN; COMPOSITE; NANOTUBES;
D O I：
10.1080/00032719.2014.966376
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A reduced graphene oxide-modified glassy carbon electrode for sensitive detection of rutin is reported. The modified electrode was obtained by one-step electrochemical reduction of graphene oxide on the bare glassy carbon electrode. In the presence of graphene, an enhanced electrochemical response for rutin appeared with a pair of well-defined anodic and cathodic peaks in pH 3.0 phosphate buffer. Under the optimized conditions, the anodic peak currents exhibited a linear relationship with rutin concentration from 0.1 to 2.0 mu M with a detection limit of 23.2nM. The modified electrode was employed to the analysis of tablets (with satisfactory recovery of 19.96mg/per tablet) and Flos Sophorae. The graphene-modified electrode exhibited high sensitivity, good stability, and selectivity for the determination of rutin.
引用
收藏
页码：894 / 906
页数：13
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