Highly Selective Fluorescence Detection of Cu2+ in Water by Chiral Dimeric Zn2+ Complexes through Direct Displacement

Fluorescent dinuclear chiral zinc complexes were synthesized in a “one-pot” method in which the lysine-based Schiff base ligand was generated in situ. This complex acts as a highly sensitive and selective fluorescent ON−OFF probe for Cu2+ in water at physiological pH. Other metal ions such as Hg2+,...

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Bibliographic Details
Published in:Inorganic chemistry 2009-03, Vol.48 (5), p.1799-1801
Main Authors: Khatua, Snehadrinarayan, Choi, Shin Hei, Lee, Junseong, Huh, Jung Oh, Do, Youngkyu, Churchill, David G
Format: Article
Language:English
Subjects:
Copper - analysis
Dimerization
Fluorescence
Hydrogen-Ion Concentration
Organometallic Compounds - chemistry
Sensitivity and Specificity
Spectrophotometry, Ultraviolet
Stereoisomerism
Water - chemistry
Zinc - chemistry
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Summary:Fluorescent dinuclear chiral zinc complexes were synthesized in a “one-pot” method in which the lysine-based Schiff base ligand was generated in situ. This complex acts as a highly sensitive and selective fluorescent ON−OFF probe for Cu2+ in water at physiological pH. Other metal ions such as Hg2+, Cd2+, and Pb2+ gave little fluorescence change.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic802314u