Non-enzymatic sensing of glucose using a glassy carbon electrode modified with gold nanoparticles coated with polyethyleneimine and 3-aminophenylboronic acid

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dc.contributor.authorCiftci, Hakan
dc.contributor.authorAlver, Erol
dc.contributor.authorCelik, Filiz
dc.contributor.authorMetin, Aysegul U.
dc.contributor.authorTamer, Ugur
dc.date.accessioned2020-06-25T18:16:43Z
dc.date.available2020-06-25T18:16:43Z
dc.date.issued2016
dc.departmentKırıkkale Üniversitesi
dc.description.abstractA non-enzymatic electrochemical method was developed for sensing glucose by using a glassy carbon electrode modified with 3-aminophenylboronic acid (APBA) immobilized on polyethyleneimine (PEI)-coated gold nanoparticles. The modified electrode was characterized by TEM, zeta potential measurements and UV-Vis spectroscopy. Its analytical performance was evaluated in pH 9 solution by potentiometry. The respective calibration plot, established at open circuit potential (vs. Ag/AgCl) covers the 0.5-50 mM glucose concentration range, which makes it suitable for blood glucose assays. The detection limit is 0.025 mM, and no interference is caused by ascorbic acid, dopamine, and uric acid. Effects of other carbohydrates such as fructose, galactose and saccharose were also investigated. The electrode was used to determine glucose in human serum samples and the results agreed well with those obtained with commercial amperometric enzymatic sensors.en_US
dc.description.sponsorshipKirikkale University Research FundKirikkale University [2015/48]en_US
dc.description.sponsorshipThe authors gratefully acknowledge the financial support from Kirikkale University Research Fund through Grant no.: 2015/48.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1007/s00604-016-1782-y
dc.identifier.endpage1486en_US
dc.identifier.issn0026-3672
dc.identifier.issn1436-5073
dc.identifier.issue4en_US
dc.identifier.scopus2-s2.0-84958751201
dc.identifier.scopusqualityQ1
dc.identifier.startpage1479en_US
dc.identifier.urihttps://doi.org/10.1007/s00604-016-1782-y
dc.identifier.urihttps://hdl.handle.net/20.500.12587/6603
dc.identifier.volume183en_US
dc.identifier.wosWOS:000373146100024
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer Wienen_US
dc.relation.ispartofMicrochimica Acta
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectMolecular recognitionen_US
dc.subjectNanomaterialen_US
dc.subjectColloidal golden_US
dc.subjectZeta potentialen_US
dc.subjectPotentiometryen_US
dc.subjectDynamic light scatteringen_US
dc.subjectFTIRen_US
dc.subjectTransmission electron microscopyen_US
dc.titleNon-enzymatic sensing of glucose using a glassy carbon electrode modified with gold nanoparticles coated with polyethyleneimine and 3-aminophenylboronic aciden_US
dc.typeArticle

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