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Square-Wave Adsorptive Stripping Voltammetric Behaviour of Fresh and Aged Cystine Solutions at Physiological pH1

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dc.authorscopusid55774433600
dc.authorscopusid6603524165
dc.authorscopusid7004387719
dc.contributor.authorÇakir, S.
dc.contributor.authorBi̇Çer, E.
dc.contributor.authorÇakir, O.
dc.date.accessioned2020-06-21T15:50:29Z
dc.date.available2020-06-21T15:50:29Z
dc.date.issued1999
dc.departmentOndokuz Mayıs Üniversitesien_US
dc.department-temp[Çakir] Semiha, Department of Chemistry, Ondokuz Mayis Üniversitesi, Samsun, Turkey; [Bi̇Çer] Ender, Department of Chemistry, Ondokuz Mayis Üniversitesi, Samsun, Turkey; [Çakir] Osman, Department of Chemistry, Ondokuz Mayis Üniversitesi, Samsun, Turkeyen_US
dc.description.abstractDifferent cathodic square-wave stripping voltammetric behaviour for fresh and aged cystine solutions at slightly alkaline buffered medium (pH 7.4) is observed at distinct pH values. The fresh solutions of cystine at pH 7.4 exhibited three reduction peaks at -0.29 (mercuric cysteine thiolate), -0.64 (mercurous cysteine thiolate) and -0.75 V (free cystine). The peak at -0.75 V is assigned as the reduction of the -S-S- bond of free cystine which is not detected for aged cystine solution (a few hours) but a new peak at -0.68 V is seen. The peak at -0.68 V is attributed to the reduction of the disulfidic anion S2-<inf>2</inf>, the decomposition product of cystine at physiological pH (7.4).en_US
dc.identifier.doi10.1016/S1388-2481(99)00052-1
dc.identifier.endpage261en_US
dc.identifier.issn1388-2481
dc.identifier.issue7en_US
dc.identifier.scopus2-s2.0-0001007937
dc.identifier.scopusqualityQ1
dc.identifier.startpage257en_US
dc.identifier.urihttps://doi.org/10.1016/S1388-2481(99)00052-1
dc.identifier.volume1en_US
dc.identifier.wosWOS:000082949600001
dc.identifier.wosqualityQ2
dc.language.isoenen_US
dc.publisherElsevier Inc.en_US
dc.relation.ispartofElectrochemistry Communicationsen_US
dc.relation.journalElectrochemistry Communicationsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectDecomposition of Cystineen_US
dc.subjectPhysiological pHen_US
dc.subjectSquare-Wave Adsorptive Stripping Voltammetryen_US
dc.titleSquare-Wave Adsorptive Stripping Voltammetric Behaviour of Fresh and Aged Cystine Solutions at Physiological pH1en_US
dc.typeArticleen_US
dspace.entity.typePublication

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