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A colorimetric and luminescent dual-modal assay for Cu(II) ion detection using an iridium(III) complex.

ABSTRACT: A novel iridium(III) complex-based chemosensor bearing the 5,6-bis(salicylideneimino)-1,10-phenanthroline ligand receptor was developed, which exhibited a highly sensitive and selective color change from colorless to yellow and a visible turn-off luminescence response upon the addition of Cu(II) ions. The interactions of this iridium(III) complex with Cu2+ ions and thirteen other cations have been investigated by UV-Vis absorption titration, emission titration, and 1H NMR titration.

SUBMITTER: Ma DL 

PROVIDER: S-EPMC4057321 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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A colorimetric and luminescent dual-modal assay for Cu(II) ion detection using an iridium(III) complex.

Ma Dik-Lung DL   He Hong-Zhang HZ   Chan Daniel Shiu-Hin DS   Wong Chun-Yuen CY   Leung Chung-Hang CH  

PloS one 20140613 6

A novel iridium(III) complex-based chemosensor bearing the 5,6-bis(salicylideneimino)-1,10-phenanthroline ligand receptor was developed, which exhibited a highly sensitive and selective color change from colorless to yellow and a visible turn-off luminescence response upon the addition of Cu(II) ions. The interactions of this iridium(III) complex with Cu2+ ions and thirteen other cations have been investigated by UV-Vis absorption titration, emission titration, and 1H NMR titration. ...[more]

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