期刊
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
卷 66, 期 2, 页码 448-452出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2006.03.021
关键词
conjugated polymer; metal cations; fluorescence quenching; QTL
类别
The effects of different metal cations on the fluorescence of water-soluble conjugated polymer (CP) and their quenching mechanism have been explored. Most transition metal cations, especially noble metal cations, such as Pd2+, Ru3+, and pt(2+) possessed higher quenching efficiency to CP fluorescence than that of the main group metal cations and other transition metal cations, which have filled or half-full outmost electron layer configurations. Base on this, rapid, sensitive detection of noble metal cations can be realized and a novel quencher-tether-ligand (QTL) probe was developed to detect avidin and streptavidin. (c) 2006 Elsevier B.V All rights reserved.
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