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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 4
BKCSDE 34(4)
April 20, 2013 

Tune Metal Ion Selectivity by Changing Working Solvent: Fluorescent and Colorimetric Recognition of Cu2+ by a Known Hg2+ Selective Probe
Lijun Tang*, Jiaojiao Guo, Zhenlong Huang
Cu2+ recognition, Fluorescence, Colorimetric, Rhodamine
A known Hg2+ selective rhodamine B derivatised probe 1 was reinvestigated as a colorimetric and fluorescent probe for Cu2+ through changing the applied solvent media. Probe 1 exhibited good selectivity and sensitivity to Cu2+ in CH3CN-H2O (7:3, v/v, HEPES 10 mM, pH 7.0) solution with a detection limit of 9.74 × 10−7 M. The Cu2+ sensing event was proved to be irreversible through hydrolysis of 1 to release rhodamine B.
1061 - 1064
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