Voltammetric determination of alpha lipoic acid using chitosan-based polyurethane membrane electrode

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dc.authoridgungor, oznur/0000-0002-0664-1218
dc.contributor.authorGungor, Oznur
dc.contributor.authorKilic, Beyza
dc.contributor.authorKarasurmeli, Tugce Seren
dc.contributor.authorOzcan, Imren
dc.contributor.authorKoytepe, Suleyman
dc.date.accessioned2024-08-04T20:50:23Z
dc.date.available2024-08-04T20:50:23Z
dc.date.issued2021
dc.departmentİnönü Üniversitesien_US
dc.description.abstractIn this study, chitosan-based polyurethane (PU) membrane modified electrodes were prepared for sensitive, practical and fast measurement of alpha-lipoic acid (ALA), which is an important biomolecule. PU membranes were synthesized using hexamethylene diisocyanate, chitosan, caffeic acid and polyethylene glycol compounds. Chemical structure, thermal stability and morphological properties of the prepared PU membranes were determined with different instrumental techniques. Surface morphology, wettability and hydrophilicity of synthesized chitosan-based PU membranes were investigated. Gold electrode was modified by these PU membranes with different film thicknesses. The bare and PU membrane coated electrodes were used for deduction of ALA by cyclic voltammetry, differential pulse voltammetry and amperometry techniques. In addition, sensitivity, linearity, repeatability and deduction limit of PU modified electrodes were investigated. Modified electrodes showed wide linear detection range (5-200 mu molL(-1)), low detection limit (4.931 mu molL(-1)) and short response time. Results show that polyurethane modified electrodes are good alternative for ALA determination.en_US
dc.description.sponsorshipTuBITAK Directorate of Science Fellowships and Grant Programmes (BIDEB) (2209 A)en_US
dc.description.sponsorshipThis project was financially supported by TuBITAK Directorate of Science Fellowships and Grant Programmes (BIDEB) (2209 A) .en_US
dc.identifier.doi10.1016/j.measurement.2021.109752
dc.identifier.issn0263-2241
dc.identifier.issn1873-412X
dc.identifier.scopus2-s2.0-85109169001en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.measurement.2021.109752
dc.identifier.urihttps://hdl.handle.net/11616/100025
dc.identifier.volume182en_US
dc.identifier.wosWOS:000684177600003en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofMeasurementen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectalpha-lipoic aciden_US
dc.subjectPolyurethaneen_US
dc.subjectModified electrodeen_US
dc.subjectVolatammetric sensoren_US
dc.subjectChitosanen_US
dc.titleVoltammetric determination of alpha lipoic acid using chitosan-based polyurethane membrane electrodeen_US
dc.typeArticleen_US

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