Graphene /ZnO Nanocomposite for Voltammetric Sensing of Vitamin B-6 using Modified Glassy Carbon Electrode

被引：0
|
作者：
Salimi, Hadiseh [1 ]
Beitollahi, Hadi [2 ]
机构：
[1] Grad Univ Adv Technol, Dept Chem, Kerman, Iran
[2] Grad Univ Adv Technol, Inst Sci & High Technol & Environm Sci, Environm Dept, Kerman, Iran
来源：
ANALYTICAL & BIOANALYTICAL ELECTROCHEMISTRY | 2016年 / 8卷 / 06期
关键词：
Vitamin B-6; Graphene/ZnO nanocomposite; Glassy carbon electrode; Voltammetry;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A convenient, low cost, and sensitive electrochemical method, based on a glassy carbon electrode modified with graphene/ZnO nanocomposite is described for determination of vitamin B-6. The modified electrode exhibited good electrochemical properties toward the oxidation of vitamin B-6. The diffusion coefficient (D=1.89x10(-5) cm(2) s(-1)), and the kinetic parameter such as the electron transfer coefficient, (alpha=0.53) of vitamin B-6 oxidation at the surface of modified electrode was determined using electrochemical approaches. The anodic peak currents of vitamin B-6 were found to be linear in the concentration range of 1.0-16000.0 mu M with the detection limit of 7.2x10(-7) M.
引用
收藏
页码：732 / 740
页数：9
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