WFRF:(Chen Zihan)
Sökning: WFRF:(Chen Zihan) > (2023) > Preparation of gold...
Preparation of gold nanoparticles via anodic stripping of copper underpotential deposition in bulk gold electrodeposition for high-performance electrochemical sensing of bisphenol a
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- Huang, Zhao (författare)
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou, China
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- Chen, Zihan (författare)
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou, China
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- Yan, Dexuan (författare)
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, College of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou, China
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- MDPI, 2023
- 2023
- Engelska.
- Ingår i: Molecules. - : MDPI. - 1431-5157 .- 1420-3049. ; 28:24
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- Bisphenol A is one of the most widely used industrial compounds. Over the years, it has raised severe concern as a potential hazard to the human endocrine system and the environment. Developing robust and easy-to-use sensors for bisphenol A is important in various areas, such as controlling and monitoring water purification and sewage water systems, food safety monitoring, etc. Here, we report an electrochemical method to fabricate a bisphenol A (BPA) sensor based on a modified Au nanoparticles/multiwalled carbon nanotubes composite electrocatalyst electrode (AuCu-UPD/MWCNTs/GCE). Firstly, the Au-Cu alloy was prepared via a convenient and controllable Cu underpotential/bulk Au co-electrodeposition on a multiwalled modified carbon nanotubes glassy carbon electrode (GCE). Then, the AuCu-UPD/MWCNTs/GCE was obtained via the electrochemical anodic stripping of Cu underpotential deposition (UPD). Our novel prepared sensor enables the high-electrocatalytic and high-performance sensing of BPA. Under optimal conditions, the modified electrode showed a two-segment linear response from 0.01 to 1 µM and 1 to 20 µM with a limit of detection (LOD) of 2.43 nM based on differential pulse voltammetry (DPV). Determination of BPA in real water samples using AuCu-UPD/MWCNTs/GCE yielded satisfactory results. The proposed electrochemical sensor is promising for the development of a simple, low-cost water quality monitoring system for the detection of BPA in ambient water samples.
Ämnesord
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
Nyckelord
- Au nanoparticles
- bisphenol A
- carbon nanotube
- electrochemical detection
- underpotential deposition
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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- Huang, Zhao
- Chen, Zihan
- Yan, Dexuan
- Jiang, Shuo
- Nie, Libo
- Tu, Xinman
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- Jia, Xueen
- Wågberg, Thomas, ...
- Chao, Long
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- NATURVETENSKAP
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