Simultaneous Determination of Epinephrine and Folic Acid Using the Fe3O4@SiO2/GR Nanocomposite Modified Graphite

被引：20
作者：
Safaei, Mohadeseh [1 ]
Beitollahi, Hadi [2 ]
Shishehbore, Masoud Reza [1 ]
机构：
[1] Islamic Azad Univ, Yazd Branch, Fac Sci, Dept Chem, Yazd, Iran
[2] Grad Univ Adv Technol, Inst Sci & High Technol & Environm Sci, Environm Dept, Kerman, Iran
来源：
RUSSIAN JOURNAL OF ELECTROCHEMISTRY | 2018年 / 54卷 / 11期
关键词：
epinephrine; folic acid; Fe3O4@SiO2; GR nanocomposite; graphite screen printed electrodes; CARBON-PASTE ELECTRODE; VOLTAMMETRIC DETERMINATION; URIC-ACID; POTENTIOMETRIC SENSOR; ASCORBIC-ACID; SELECTIVE DETERMINATION; ELECTROCHEMICAL SENSOR; MEMBRANE SENSORS; CHEMICAL SENSOR; GRAPHENE;
D O I：
10.1134/S1023193518130402
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A sensitive and convenient electrochemical sensor was developed for determination of epinephrine by using the Fe3O4@SiO2/GR nanocomposite modified graphite screen printed electrode, and its electrochemical behaviour was investigated by cyclic voltammetry, chronoamperometry and differential pulse voltammograms. Differential pulse voltammetry results exhibited the linear dynamic range of 5.0-1000.0 M, with detection limits (S/N = 3) of 1.0 M. The prepared electrode was successfully applied for simultaneous determination of epinephrine and folic acid in real samples.
引用
收藏
页码：851 / 859
页数：9
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