Electrochemical detection of dopamine using a bare indium-tin oxide electrode and scan rate control

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dc.contributor.authorKim, Byung-Kwonko
dc.contributor.authorLee, Ji Youngko
dc.contributor.authorPark, Jun Huiko
dc.contributor.authorKwak, Juhyounko
dc.date.accessioned2014-08-29-
dc.date.available2014-08-29-
dc.date.created2014-01-02-
dc.date.created2014-01-02-
dc.date.issued2013-11-
dc.identifier.citationJOURNAL OF ELECTROANALYTICAL CHEMISTRY, v.708, pp.7 - 12-
dc.identifier.issn1572-6657-
dc.identifier.urihttp://hdl.handle.net/10203/188612-
dc.description.abstractWe report sensitive and selective electrochemical detection of dopamine (DA), a neurotransmitter that plays an important role in organisms. The detection of DA is often prevented by the presence of interfering molecules. Therefore, developing a selective and sensitive technology for detection of DA is necessary. The proposed method simply achieves selective and sensitive detection of DA by scan rate control on bare indium-tin oxide (ITO) electrodes. In the case of a low scan rate (50 mV s(-1)), the anodic peaks of DA and ascorbic acid (AA) appeared at similar potentials (ca. 0.1 V) and both of them showed high anodic peaks. On the other hand, with a high scan rate (5 V s(-1)), the anodic peak of AA almost disappeared, but the DA peak was still high because of the adsorption of DA to the electrode. The detection limit of this method is 1 nM of DA in the presence of 0.1 mM of AA and 100 nM of DA in human blood serum.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE SA-
dc.subjectGLASSY-CARBON ELECTRODE-
dc.subjectASCORBIC-ACID-
dc.subjectURIC-ACID-
dc.subjectSELECTIVE DETECTION-
dc.subjectSURFACE-
dc.subjectNEUROTRANSMITTERS-
dc.subjectNANOTUBES-
dc.subjectCOMPOSITE-
dc.subjectCOATINGS-
dc.subjectSENSOR-
dc.titleElectrochemical detection of dopamine using a bare indium-tin oxide electrode and scan rate control-
dc.typeArticle-
dc.identifier.wosid000327922800002-
dc.identifier.scopusid2-s2.0-84885407191-
dc.type.rimsART-
dc.citation.volume708-
dc.citation.beginningpage7-
dc.citation.endingpage12-
dc.citation.publicationnameJOURNAL OF ELECTROANALYTICAL CHEMISTRY-
dc.identifier.doi10.1016/jjelechem.2013.09.001-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorKwak, Juhyoun-
dc.contributor.nonIdAuthorKim, Byung-Kwon-
dc.contributor.nonIdAuthorLee, Ji Young-
dc.contributor.nonIdAuthorPark, Jun Hui-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorDopamine-
dc.subject.keywordAuthorAscorbic acid-
dc.subject.keywordAuthorScan rate-
dc.subject.keywordAuthorPeak deconvolution-
dc.subject.keywordAuthorITO-
dc.subject.keywordPlusGLASSY-CARBON ELECTRODE-
dc.subject.keywordPlusASCORBIC-ACID-
dc.subject.keywordPlusURIC-ACID-
dc.subject.keywordPlusSELECTIVE DETECTION-
dc.subject.keywordPlusSURFACE-
dc.subject.keywordPlusNEUROTRANSMITTERS-
dc.subject.keywordPlusNANOTUBES-
dc.subject.keywordPlusCOMPOSITE-
dc.subject.keywordPlusCOATINGS-
dc.subject.keywordPlusSENSOR-
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