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.
机构:
Minnan Normal Univ, Coll Chem & Environm Sci, Zhangzhou 363000, Peoples R ChinaMinnan Normal Univ, Coll Chem & Environm Sci, Zhangzhou 363000, Peoples R China
Ling, Li Jing
Xu, Jing Ping
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Minnan Normal Univ, Coll Chem & Environm Sci, Zhangzhou 363000, Peoples R ChinaMinnan Normal Univ, Coll Chem & Environm Sci, Zhangzhou 363000, Peoples R China
Xu, Jing Ping
Deng, Yan Hua
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Minnan Normal Univ, Coll Chem & Environm Sci, Zhangzhou 363000, Peoples R ChinaMinnan Normal Univ, Coll Chem & Environm Sci, Zhangzhou 363000, Peoples R China
Deng, Yan Hua
Peng, Qian
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Minnan Normal Univ, Coll Chem & Environm Sci, Zhangzhou 363000, Peoples R ChinaMinnan Normal Univ, Coll Chem & Environm Sci, Zhangzhou 363000, Peoples R China
Peng, Qian
Chen, Jian Hua
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Minnan Normal Univ, Coll Chem & Environm Sci, Zhangzhou 363000, Peoples R China
Minnan Normal Univ, Fujian Prov Univ, Key Lab Modern Analyt Sci & Separat Technol, Zhangzhou 363000, Peoples R ChinaMinnan Normal Univ, Coll Chem & Environm Sci, Zhangzhou 363000, Peoples R China
Chen, Jian Hua
He, Ya San
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Minnan Normal Univ, Coll Chem & Environm Sci, Zhangzhou 363000, Peoples R ChinaMinnan Normal Univ, Coll Chem & Environm Sci, Zhangzhou 363000, Peoples R China
He, Ya San
Nie, Yu Jing
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Minnan Normal Univ, Coll Chem & Environm Sci, Zhangzhou 363000, Peoples R ChinaMinnan Normal Univ, Coll Chem & Environm Sci, Zhangzhou 363000, Peoples R China
机构:
Gachon Univ, Dept Bionanotechnol, Seongnam Si 13120, Gyeonggi Do, South KoreaGachon Univ, Dept Bionanotechnol, Seongnam Si 13120, Gyeonggi Do, South Korea
Sharma, Neha
Selvam, Sathish Panneer
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Gachon Univ, Dept Bionanotechnol, Seongnam Si 13120, Gyeonggi Do, South KoreaGachon Univ, Dept Bionanotechnol, Seongnam Si 13120, Gyeonggi Do, South Korea
机构:
Department of Mechanical Engineering, Iowa State University, Ames, 50011, IADepartment of Mechanical Engineering, Iowa State University, Ames, 50011, IA
De Penning R.
Padalkar S.
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Department of Mechanical Engineering, Iowa State University, Ames, 50011, IA
Microelectronics Research Center, Iowa State University, Ames, 50011, IADepartment of Mechanical Engineering, Iowa State University, Ames, 50011, IA