The first electrochemical sensor for determination of mangiferin based on an ionic liquid-graphene nanosheets paste electrode

被引：90
|
作者：
Tajik, Somayeh [1 ,2 ]
Taher, Mohammad Ali [1 ]
Beitollahi, Hadi [3 ]
机构：
[1] Shahid Bahonar Univ Kerman, Dept Chem, Kerman, Iran
[2] Shahid Bahonar Univ Kerman, Young Researchers Soc, Kerman, Iran
[3] Grad Univ Adv Technol, Inst Sci & High Technol & Environm Sci, Dept Environm, Kerman, Iran
来源：
IONICS | 2014年 / 20卷 / 08期
关键词：
Mangiferin; Graphene nanosheets; Modified electrode; Voltammetry; SELECTIVE VOLTAMMETRIC DETERMINATION; URIC-ACID; CARBON NANOTUBES; 2,7-BIS(FERROCENYL ETHYL)FLUOREN-9-ONE; ASCORBIC-ACID; L-CYSTEINE; OXIDATION; BEHAVIOR; NANOPARTICLES; NORATHYRIOL;
D O I：
10.1007/s11581-013-1063-2
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A novel carbon paste electrode modified with graphene nanosheets and an ionic liquid (n-hexyl-3-methylimidazolium hexafluoro phosphate) was fabricated and used for the electrochemical study of mangiferin for the first time. This modified electrode offers a considerable improvement in voltammetric sensitivity toward mangiferin, compared to the bare electrode. Square wave voltammetry (SWV) exhibits a linear dynamic range from 5.0 x 10(-8) to 2.0 x 10(-4) M and a detection limit of 20.0 nM for mangiferin. Finally, the proposed method was successfully applied to the determination of mangiferin in real samples such as serum and urine.
引用
收藏
页码：1155 / 1161
页数：7
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