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dc.contributor.author강민정-
dc.contributor.author이가연-
dc.contributor.author박준희-
dc.contributor.author장영욱-
dc.contributor.author조성보-
dc.contributor.author변재철-
dc.date.accessioned2021-06-09T04:20:18Z-
dc.date.available2021-06-09T04:20:18Z-
dc.date.issued2018-01-
dc.identifier.citationVOL 3, NO 1-112-
dc.identifier.issn2379-3694-
dc.identifier.other50995-
dc.identifier.urihttp://pubs.kist.re.kr/handle/201004/67783-
dc.description.abstractIn this work, the chronoamperometry-based redox cycling of 3,3',5,5'-tetramethylbenzidine (TMB) was performed by using interdigitated electrode (IDE). The signal was obtained from two sequential chronoamperometric profiles: (1) with the generator at the oxidative potential of TMB and the collector at the reductive potential of TMB, and (2) with the generator at the reductive potential of TMB and the collector at the oxidative potential of TMB. The chronoamperometry-based redox cycling (dual mode) showed a sensitivity of 1.49 mu A/OD, and the redox cycling efficiency was estimated to be 94% (n = 10). The sensitivities of conventional redox cycling with the same interdigitated electrode and chronoamperometry using a single working electrode (single mode) were estimated to be 0.67 mu A/OD and 0.18 mu A/OD, respectively. These results showed that the chronoamperometry-based redox cycling (dual mode) could be more effectively used to quantify the oxidized TMB than other amperometric methods. The chronoamperometry-based redox cycling (dual mode) was applied to immunoassays using a commercial ELISA kit for medical diagnosis of the human hepatitis B virus surface antigen (hHBsAg). Finally, the chronoamperometry-based redox cycling (dual mode) provided more than a 10-fold higher sensitivity than conventional chronoamperometry using a single working electrode (single mode) when applied to a commercial ELISA kit for medical diagnosis of hHBsAg.-
dc.publisherACS sensors-
dc.subjectredox cycling-
dc.subjectchronoamperometry-
dc.subjectELISA kit-
dc.subject3,3′,5,5′-tetramethylbenzidine-
dc.subjecthepatitis B virus-
dc.titleChronoamperometry-Based Redox Cycling for Application to Immunoassays-
dc.typeArticle-
dc.relation.page106112-
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