Electrochemical Dopamine Detection Using Electrochemically Reduced Graphene Oxide/Silver/Metal Organic Framework Composites

被引：4
|
作者：
Sun, Shengmiao [1 ]
Wang, Bixuan [1 ]
Qing, Molan [1 ]
Tian, Danbi [1 ]
Jiang, Ling [2 ,3 ]
Zhu, Liying [1 ]
机构：
[1] Nanjing Tech Univ, Coll Chem & Mol Engn, Nanjing 211816, Peoples R China
[2] Nanjing Tech Univ, Coll Food Sci & Light Ind, State Key Lab Mat Oriented Chem Engn, Nanjing 211816, Peoples R China
[3] Nanjing Tech Univ, Coll Food Sci & Light Ind, Nanjing 210009, Peoples R China
来源：
CHEMISTRYSELECT | 2023年 / 8卷 / 17期
基金：
中国国家自然科学基金;
关键词：
dopamine; electrochemical sensor; screen-printed carbon electrode; silver nanoparticles; ZIF-8; NANOCOMPOSITE; CATALYSTS; SENSOR; ZIF-8;
D O I：
10.1002/slct.202204720
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A modified screen-printed electrode based on zeolite imidazole framework-8 (ZIF-8), silver nanoparticles (Ag NPs) and electrochemically reduced graphene oxide (ErGO) were developed to detect dopamine. The morphology and electrochemical performance were investigated, and the results showed that ErGO/Ag-ZIF-8 composites were successfully synthesized without destruction of the ZIF-8 structure. In addition, the peak current of dopamine (DA) oxidation increased linearly in the range of 0.1-200 mu M, and the detection limit was 0.03 mu M (S/N=3). Furthermore, the sensor showed good reproducibility and selectivity, and was successfully applied to the detection of DA in goat serum with a satisfactory recovery range.
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页数：9
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