1,10-Phenanthroline-5,6-dione and 9,10-phenanthrenequinone as redox mediators for amperometric glucose biosensors

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dc.contributor.authorZor, Erhan
dc.contributor.authorOztekin, Yasemin
dc.contributor.authorMikoliunaite, Lina
dc.contributor.authorVoronovic, Jaroslav
dc.contributor.authorRamanaviciene, Almira
dc.contributor.authorAnusevicius, Zilvinas
dc.contributor.authorBingol, Haluk
dc.date.accessioned2024-02-23T13:55:54Z
dc.date.available2024-02-23T13:55:54Z
dc.date.issued2014
dc.departmentNEÜen_US
dc.description.abstractIn this study, two ortho-quinoidal compounds, 1,10-phenanthroline-5,6-dione (PD) and 9,10-phenanthrenequinone (PQ), were examined as electron transfer mediators suitable for amperometric glucose biosensors. The dependences of the electrochemical responses of PD- and PQ-based amperometric glucose biosensors on varied concentrations of glucose were investigated under aerobic and anaerobic conditions. The PD-modified graphite rod (GR) electrode revealed a current response seven times higher than that of the PQ-modified GR electrode. The reactivity indices of ortho-quinoidals assessed by means of B3LYP functional method applying 6-311G(D) basis set showed that the electron-accepting potency for PD was markedly higher as compared with that of PQ. Compared to PQ, considerably higher reactivity of PD has been defined in the reactions with NADP(+)-ferredoxin reductase (FNR, EC 1.18.1.2) as a model single-electron transfer FAD-dependent enzyme, which provided an additional evidence for PD as a more efficient mediator compared to PQ. This study illustrates that PD can be applied as a redox mediator for glucose oxidase and it could be more suitable for a reagent-less biosensor design than PQ.en_US
dc.description.sponsorshipLithuanian Scientific Council [TRY-060]en_US
dc.description.sponsorshipThis work was partially financially supported by the Lithuanian Scientific Council, TRY-060. The authors are grateful for their financial support.en_US
dc.identifier.doi10.1007/s10008-013-2368-9
dc.identifier.endpage1536en_US
dc.identifier.issn1432-8488
dc.identifier.issn1433-0768
dc.identifier.issue6en_US
dc.identifier.scopus2-s2.0-84901388207en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage1529en_US
dc.identifier.urihttps://doi.org/10.1007/s10008-013-2368-9
dc.identifier.urihttps://hdl.handle.net/20.500.12452/11012
dc.identifier.volume18en_US
dc.identifier.wosWOS:000336390000005en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal Of Solid State Electrochemistryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectElectrocatalysisen_US
dc.subjectGlucose Sensoren_US
dc.subjectBiofuel Cellen_US
dc.subjectGlucose Oxidaseen_US
dc.subjectEnzyme Electrodeen_US
dc.subjectQuinone Derivativesen_US
dc.title1,10-Phenanthroline-5,6-dione and 9,10-phenanthrenequinone as redox mediators for amperometric glucose biosensorsen_US
dc.typeArticleen_US

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