Innovative polymer engineering for the investigation of electrochemical properties and biosensing ability

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dc.contributor.authorOsmanogullari, Sila Can
dc.contributor.authorSoylemez, Saniye
dc.contributor.authorKarakurt, Oguzhan
dc.contributor.authorHacioglu, Serife Ozdemir
dc.contributor.authorCirpan, Ali
dc.contributor.authorToppare, Levent Kamil
dc.date.accessioned2024-02-23T14:41:45Z
dc.date.available2024-02-23T14:41:45Z
dc.date.issued2023
dc.departmentNEÜen_US
dc.description.abstractSubtle engineering for the generation of a biosensor from a conjugated polymer with the inclusion of fluorine-substituted benzothiadiazole and indole moieties is reported. The engineering includes the electrochemical copolymerization of the indole-6-carboxylic acid (M1) and 5-fluoro-4,7-bis(4-hexylthiophen-2-yl)benzo[c][1,2,5]thiadiazole (M2) on the indium tin oxide and graphite electrode surfaces for the investigation of both their electrochemical properties and biosensing abilities with their copolymer counterparts. The intermediates and final conjugated polymers, Poly(M1) [P-In6C], Poly(M2) [P-FBTz], and copoly(M1 and M2) [P-In6CFBTz], were entirely characterized by 1H NMR,13C NMR, CV, UV-Vis-NIR spectrophotometry, and SEM techniques. HOMO energy levels of electrochemically obtained polymers were calculated from the oxidation onsets in anodic scans as -4.78 eV, -5.23 eV, and -4.89 eV, and optical bandgap (Egop) values were calculated from the onset of the lowest-energy 1T-1T* transitions as 2.26 eV, 1.43 eV, and 1.59 eV for P-In6C, P-FBTz, and P-In6CFBTz, respectively. By incorporation of fluorine-substituted benzothiadiazole (M2) into the polymer backbone by electrochemical copolymerization, the poor electrochemical properties of P-In6C were remarkably improved. The polymer P-In6CFBTz demonstrated striking electrochemical properties such as a lower optical band gap, red-shifted absorption, multielectrochromic behavior, a lower switching time, and higher optical contrast. Overall, the newly developed copolymer, which combined the features of each monomer, showed superior electrochemical properties and was tested as a glucose-sensing framework, offering a low detection limit (0.011 mM) and a wide linear range (0.05-0.75 mM) with high sensitivity (44.056 mu A mM-1 cm-2).en_US
dc.identifier.doi10.55730/1300-0527.3611
dc.identifier.endpage1284en_US
dc.identifier.issn1300-0527
dc.identifier.issue5en_US
dc.identifier.pmid38173753en_US
dc.identifier.scopus2-s2.0-85176095828en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage1271en_US
dc.identifier.urihttps://doi.org/10.55730/1300-0527.3611
dc.identifier.urihttps://hdl.handle.net/20.500.12452/16986
dc.identifier.volume47en_US
dc.identifier.wosWOS:001099801900030en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherTubitak Scientific & Technological Research Council Turkeyen_US
dc.relation.ispartofTurkish Journal Of Chemistryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectFluorine-Substituted Benzothiadiazole And Indole Moietiesen_US
dc.subjectConjugated Polymersen_US
dc.subjectCopolymerizationen_US
dc.subjectUses In Optoelectronics And Biosensingen_US
dc.subjectGlucose Biosensoren_US
dc.titleInnovative polymer engineering for the investigation of electrochemical properties and biosensing abilityen_US
dc.typeArticleen_US

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