期刊
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
卷 783, 期 -, 页码 63-67出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2016.10.057
关键词
Hot electron; Electrochemiluminescence; Bioaffinity assay; Immunoassay; DNA probe assay
Tris(2,2'-bipyricline)ruthenium(II) chelate exhibits strong electrogenerated chemiluminescence during cathodic high-voltage pulse-polarization of pointed Pt electrode in aqueous solutions. The present method is based on a field emission or other type of tunnel emission of hot electrons into an aqueous electrolyte solution. The method allows the detection of tris(2,2'-bipyridine)ruthenium(II) and its derivatives below nanomolar concentration levels and yields linear log-log calibration plots spanning several orders of magnitude of concentration. (C) 2016 Elsevier B.V. All rights reserved.
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