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.

引用

页数：9

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