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

Shengmiao Sun; Bixuan Wang; Molan Qing; Danbi Tian; Ling Jiang; Liying Zhu

doi:10.1002/slct.202204720

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

Shengmiao Sun, Bixuan Wang, Molan Qing, Danbi Tian, Ling Jiang, Liying Zhu

COLLEGE OF FOOD SCIENCE AND LIGHT INDUSTRY

Nanjing Tech University

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

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 μM, and the detection limit was 0.03 μM (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.

Original language	English
Article number	e202204720
Journal	ChemistrySelect
Volume	8
Issue number	17
DOIs	https://doi.org/10.1002/slct.202204720
State	Published - 5 May 2023

Keywords

ZIF-8
dopamine
electrochemical sensor
screen-printed carbon electrode
silver nanoparticles

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10.1002/slct.202204720

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title = "Electrochemical Dopamine Detection Using Electrochemically Reduced Graphene Oxide/Silver/Metal Organic Framework Composites",

abstract = "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 μM, and the detection limit was 0.03 μM (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.",

keywords = "ZIF-8, dopamine, electrochemical sensor, screen-printed carbon electrode, silver nanoparticles",

author = "Shengmiao Sun and Bixuan Wang and Molan Qing and Danbi Tian and Ling Jiang and Liying Zhu",

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T1 - Electrochemical Dopamine Detection Using Electrochemically Reduced Graphene Oxide/Silver/Metal Organic Framework Composites

AU - Sun, Shengmiao

AU - Wang, Bixuan

AU - Qing, Molan

AU - Tian, Danbi

AU - Jiang, Ling

AU - Zhu, Liying

PY - 2023/5/5

Y1 - 2023/5/5

N2 - 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 μM, and the detection limit was 0.03 μM (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.

AB - 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 μM, and the detection limit was 0.03 μM (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.

KW - ZIF-8

KW - dopamine

KW - electrochemical sensor

KW - screen-printed carbon electrode

KW - silver nanoparticles

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

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Keywords

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