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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 32, Number 9
BKCSDE 32(9)
September 20, 2011 
 
Title
 A New Rhodamine B-coumarin Fluorochrome for Colorimetric Recognition of Cu2+ and Fluorescent Recognition of Fe3+ in Aqueous Media
Author
 Lijun Tang*, Fangfang Li, Minghui Liu, Raju Nandhakumar*,
Keywords
 Chemosensor, Colorimetric, Fluorescent, Rhodamine B, Recognition
Abstract
 A new rhodamine B-coumarin conjugate (1) capable of recognizing both Cu2+ and Fe3+ using two different detection modes have been designed and synthesized. The metal ion induced optical changes of 1 were investigated in CH3CN-H2O (1:1, v/v, HEPES 50 mM, pH = 7.0) solution. Sensor 1 exhibits selective colorimetric recognition of Cu2+ and fluorescent recognition of Fe3+ with UV-vis and fluorescence spectroscopy, respectively. Moreover, both of the Cu2+ and Fe3+ recognition processes are observed to be barely interfered by other coexisting metal ions.
Page
 3400 - 3404
Full Text
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