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- W4385144614 abstract "AbstractAbstractHerein the synergistic properties of electrochemically reduced graphene oxide–antimony nanoparticles (ERGO-SbNPs) were leveraged for the ultrasensitive determination of bisphenol A (BPA) in water samples using disposable pencil graphite rods. A novel pencil-graphite multi-electrode array was utilized as the coating tool resulting in the production of highly reproducible and disposable single-use ERGO-SbNP-coated pencil graphite rods. This coating method effectively mitigated the fouling caused by BPA by-products during oxidation. The analytical determination of BPA oxidation on the single-use ERGO-SbNP-coated pencil graphite rods demonstrated an impressive 0.0,125 µM detection limit, surpassing the USEPA drinking water standard of 0.087 µM. Furthermore, the developed electrochemical sensor exhibited exceptional reproducibility for BPA in tap water samples from Western Cape, South Africa with few interferences. The study’s findings not only highlight the sensor’s superior performance but also present a promising alternative to existing anti-fouling measures.Keywords: Bisphenol Adifferential pulse voltammetry (DPV)electrochemically reduced graphene oxide–antimony nanoparticle (ERGO-SbNP)graphene-antimony nanoparticle nanocompositemulti-electrode coatingpencil graphite electrode (PGE) AcknowledgmentsThis study was performed in collaboration with the University of the Western Cape Sensor Laboratory and the National Research Foundation (NRF) of South Africa.Disclosure statementThe authors declare no conflicts of interest in the subject matter or materials discussed in this manuscript.Authors’ contributionsNG, KP, EI and NJ contributed to the design and implementation of the research. NG performed all necessary data acquisition and experimental work. All authors were involved in the analysis of the results. NG and KP were responsible for the writing of the manuscript, while EI and NJ performed the final editing. NJ, KP and EI supervised the project and sourced the necessary funding.Ethical complianceAll procedures herein were performed in accordance with the ethical standards set out by the University of the Western Cape’s Research Ethics procedures.Additional informationFundingThe findings reported in the article were supported by the National Research Foundation (NRF) of South Africa (UID 121855) and the University of the Western Cape (UWC)." @default.
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- W4385144614 date "2023-07-21" @default.
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- W4385144614 title "Sensitive Electrochemical Determination of Bisphenol a Using a Disposable, Electrodeposited Antimony-Graphene Nanocomposite Pencil Graphite Electrode (PGE) and Differential Pulse Voltammetry (DPV)" @default.
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- W4385144614 doi "https://doi.org/10.1080/00032719.2023.2237146" @default.
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