Conductive poly(bromophenol red) film coated graphene oxide-ZnO nanocomposite modified electrode for enzymeless voltammetric determination of ethyl-paraoxon

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dc.authoridKarakaya, Serka / 0000-0002-6401-3295
dc.authoridDilgin, Yusuf / 0000-0002-2980-6871
dc.contributor.authorKarakaya, Serkan
dc.contributor.authorDemir, Cansu
dc.contributor.authorZaman, Buse Tuğba
dc.contributor.authorBakirdere, Sezgin
dc.contributor.authorDilgin, Yusuf
dc.date.accessioned2025-05-29T02:57:58Z
dc.date.available2025-05-29T02:57:58Z
dc.date.issued2025
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThis work proposes a sensitive and nonenzymatic electrochemical platform for the cyclic voltammetric determination of ethyl-paraoxon (E-POX) at a poly-bromophenol red (poly(BPR) film coated graphene oxide (GO) and ZnO nanocomposite modified glassy carbon electrode (poly(BPR)@GO-ZnO/GCE). The incorporation of poly (BPR) matrix with GO-ZnO nanocomposite provides a considerable synergistic effect for the voltammetric determination of E-POX by providing a large surface area, more active sites, and high conductivity. The results showed that the poly(BPR)@GO-ZnO/GCE exhibits two linear response ranges from 0.10-3.0 mu M and 5.0-200 mu M with a limit of detection (LOD) of 31 nM and a high sensitivity of 5259 mu A mM-1 cm- 2. Real-world applicability of designed platform was successfully tested in agricultural (tomato and cucumber) and tap water samples, and acceptable recovery values (98.1-114.2 %) were obtained. It is concluded that the proposed platform (poly(BPR), GO, and ZnO) may bring remarkable approaches to the future fabrication of electrochemical sensors.
dc.identifier.doi10.1016/j.jfca.2025.107393
dc.identifier.issn0889-1575
dc.identifier.issn1096-0481
dc.identifier.scopus2-s2.0-85219018259
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.jfca.2025.107393
dc.identifier.urihttps://hdl.handle.net/20.500.12428/30222
dc.identifier.volume141
dc.identifier.wosWOS:001432886700001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherAcademic Press Inc Elsevier Science
dc.relation.ispartofJournal of Food Composition and Analysis
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250529
dc.subjectPesticide
dc.subjectEthyl-paraoxon
dc.subjectPoly(Bromophenol red)
dc.subjectGraphene oxide-ZnO nanocomposite
dc.subjectSynergistic effect
dc.subjectVoltammetry
dc.titleConductive poly(bromophenol red) film coated graphene oxide-ZnO nanocomposite modified electrode for enzymeless voltammetric determination of ethyl-paraoxon
dc.typeArticle

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