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pubmed-article:15812842rdf:typepubmed:Citationlld:pubmed
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pubmed-article:15812842pubmed:dateCreated2005-5-2lld:pubmed
pubmed-article:15812842pubmed:abstractTextAn electrochemiluminescence (ECL) inhibition method was developed as an indirect detection method for the determination of dopamine and epinephrine separated by capillary electrophoresis (CE). When the concentration of Ru(bpy)(3) (2+) was 50 muM diluted by 50 mM phosphate (pH 8.5) in the cell and 0.5 M tripropylamine (TPA) was added to the running buffer (10 mM phosphate, pH 9.0), an inhibition of ECL of the Ru(bpy)(3) (2+)/TPA system by the analytes was observed. Under the optimized conditions, the relative standard deviations of migration time and negative peak area were less than 1% and 3%, respectively, for 1 microM dopamine or 1 microM epinephrine (n = 10). Linear ranges of 0.1-10 microM for both analytes and the detection limits (signal-to-noise ratio S/N = 3) of 10 nM for dopamine and 30 nM for epinephrine were obtained.lld:pubmed
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pubmed-article:15812842pubmed:statusMEDLINElld:pubmed
pubmed-article:15812842pubmed:monthMaylld:pubmed
pubmed-article:15812842pubmed:issn0173-0835lld:pubmed
pubmed-article:15812842pubmed:authorpubmed-author:YinXue-BoXBlld:pubmed
pubmed-article:15812842pubmed:authorpubmed-author:WangErkangElld:pubmed
pubmed-article:15812842pubmed:authorpubmed-author:YangXiurongXlld:pubmed
pubmed-article:15812842pubmed:authorpubmed-author:KangJianzhenJlld:pubmed
pubmed-article:15812842pubmed:issnTypePrintlld:pubmed
pubmed-article:15812842pubmed:volume26lld:pubmed
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pubmed-article:15812842pubmed:pagination1732-6lld:pubmed
pubmed-article:15812842pubmed:dateRevised2011-11-17lld:pubmed
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pubmed-article:15812842pubmed:year2005lld:pubmed
pubmed-article:15812842pubmed:articleTitleElectrochemiluminescence quenching as an indirect method for detection of dopamine and epinephrine with capillary electrophoresis.lld:pubmed
pubmed-article:15812842pubmed:affiliationState Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China. ekwang@ciac.jl.cnlld:pubmed
pubmed-article:15812842pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:15812842pubmed:publicationTypeResearch Support, Non-U.S. Gov'tlld:pubmed
pubmed-article:15812842pubmed:publicationTypeEvaluation Studieslld:pubmed