Voltammetric determination of 6-thioguanine and folic acid using a carbon paste electrode modified with ZnO-CuO nanoplates and modifier

被引：83
|
作者：
Beitollahi, Hadi [1 ]
Ivari, Susan Ghofrani [2 ]
Torkzadeh-Mahani, Masoud [3 ]
机构：
[1] Grad Univ Adv Technol, Inst Sci & High Technol & Environm Sci, Dept Environm, Kerman, Iran
[2] Grad Univ Adv Technol, Dept Chem, Kerman, Iran
[3] Grad Univ Adv Technol, Inst Sci & High Technol & Environm Sci, Dept Biotechnol, Kerman, Iran
来源：
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS | 2016年 / 69卷
关键词：
6-Thioguanine; Folic acid; ZnO-CuO nanoplates; Voltammetry; Carbon paste electrode; ULTRA-TRACE AMOUNTS; ELECTROCHEMICAL SENSOR; MERCURY-ELECTRODE; URIC-ACID; ELECTROCATALYTIC OXIDATION; SELECTIVE DETERMINATION; CYCLIC VOLTAMMETRY; ASCORBIC-ACID; OXIDE; NANOTUBES;
D O I：
10.1016/j.msec.2016.06.064
中图分类号：
TB3 [工程材料学]; R318.08 [生物材料学];
学科分类号：
0805 ; 080501 ; 080502 ;
摘要：
ZnO-CuO nanoplates and 2-chlorobenzoyl ferrocene, were synthesized and used to construct a modified carbon paste electrode. The electrooxidation of 6-thioguanine at the surface of the modified electrode was studied. Under the optimized conditions, the square wave voltammetric (SVVV) peak current of 6-thioguanine increased linearly in the concentration range 0.05 to 200.0 mu M and detection limit of 25 +/- 2 nM was obtained for 6-thioguanine. The prepared modified electrode exhibits a very good resolution between the voltammetric peaks of 6-thioguanine and folic acid which makes it suitable for the detection of 6-thioguanine in the presence of folic acid in real samples. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：128 / 133
页数：6
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