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A nanocomposite containing carbon nano-onions and polyaniline nanotubes as a novel electrode material for electrochemical sensing of daidzein

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dc.abstract.enGlassy carbon electrode (GCE) were modified with nanocomposites containing conductive polyaniline nanotubes (PANI nt ) and carbon nano-onions (CNOs). Herein we report a simple and sensitive way for daidzein (DA) determination at concentrations between 1 and 10 M by linear sweep voltammetry using GCE/PANI nt /CNOs system. The DA lectrochemical behavior was examined in two buffer environments (pH 7.5 and 4.5) using electrodes modified with the oxidized CNOs or their derivatives containing carboxyl and benzylamino func- tional groups. The direct electrooxidation of DA was observed at + 0.65 V and + 0.8 V at pH 7.5 and at + 0.7 V and + 1.1 V vs. Ag/AgCl at pH 4.5.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorGniadek, Marianna
dc.contributor.authorEchegoyen, Luis
dc.contributor.authorOlejnik, Piotr
dc.contributor.authorPlonska‐Brzezinska, Marta E.
dc.date.accessioned2024-01-24T18:00:20Z
dc.date.available2024-01-24T18:00:20Z
dc.date.issued2021
dc.description.financePublikacja bezkosztowa
dc.description.number4
dc.description.volume33
dc.identifier.doi10.1002/ELAN.202060468
dc.identifier.issn1040-0397
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/101694
dc.languageeng
dc.pbn.affiliationchemical sciences
dc.relation.ispartofElectroanalysis
dc.relation.pages1107-1114
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.subject.endaidzein detection · carbon nano-onions · electrochemical sensors · nanocomposite
dc.titleA nanocomposite containing carbon nano-onions and polyaniline nanotubes as a novel electrode material for electrochemical sensing of daidzein
dc.typeJournalArticle
dspace.entity.typePublication