A Mesoporous Carbon-Based Amperometric Sensor for Ascorbic Acid Determination

被引：2
|
作者：
Zhang, Haiyang [1 ]
Gong, Zuode [3 ]
Jing, Hongyu [2 ]
Duan, Mengna [1 ]
Wang, Min [1 ]
Qian, Ming [1 ]
机构：
[1] Jilin Univ, Sch Stomatol, Dept Prosthodont, Changchun, Jilin, Peoples R China
[2] Jilin Univ, Hosp 1, Dept Resp, Changchun, Jilin, Peoples R China
[3] Jinan Stomatol Hosp, Jinan, Shandong, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2019年 / 14卷 / 06期
关键词：
Ordered mesoporous carbon; Ascorbic acid; Dopamine; Uric acid; Amperometric; Sensor; MOLECULAR-SIEVES; ELECTROCHEMICAL DETERMINATION; PERFORMANCE; ELECTRODES; NANOTUBES;
D O I：
10.20964/2019.06.65
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Using ordered mesoporous carbon (OMC) as the sensing material, an amperometric biosensor for ascorbic acid (AA) determination was successfully built on a glassy carbon electrode (GCE). Using a micro-electrochemistry system (MECS), the detection capability of the sensor was evaluated. Compared with the results obtained for a bare GCE, the AA oxidation overpotential of the OMC detector decreased by approximately 800 mV. The electro-catalytic oxidation peak currents had a linear relationship with the AA concentration over the range of 3.5 x 10(-7) - 7 x 10(-5) mol/L and a detection limit of 1.5 x 10(-7) mol/L (S/N = 3). Additionally, the sensor was shown to be interference free and exhibited good stability and reproducibility.
引用
收藏
页码：5813 / 5819
页数：7
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