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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 10
BKCSDE 34(10)
October 20, 2013

Title	New Application of 2-(4-N-Phenyl-3-thiosemicarbazone)-8-hydroxyquinoline as a Sensor for Relay Recognition of Cu²⁺ and Sulfide in Aqueous Solution
Author	Lijun Tang*, Pei Zhou, Zhenlong Huang, Jia Zhao, Mingjun Cai
Keywords	Copper detection, Sulfide recognition, Fluorescence, Quinoline, Thiosemicarbazone
Abstract	Fluorescent and colorimetric recognition properties of 2-(4-N-phenyl-3-thiosemicarbazone)-8-hydroxyquinoline (1) in buffered aqueous solution (1% DMSO, HEPES 20 mM, pH = 7.4) have been examined. Sensor 1 displays highly selective and sensitive recognition to Cu2+ with fluorescence “ON-OFF” performance. The in situ formed 1-Cu2+ complex exhibits an excellent selectivity toward sulfide ions with fluorescence “OFF-ON” behavior via Cu2+ displacement approach. Thus, relay recognition of Cu2+ and sulfide by a known molecule 1 has been achieved.
Page	2905 - 2908
Full Text	PDF / Supporting Information

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