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Pb2+- Induced Self Assembly of a Thiophene Derived Chalcone With Enhanced Fluorescence in Aqueous Media
Journal: Journal of Chemistry and Applied Biochemistry (Vol.1, No. 1)Publication Date: 2014-01-31
Authors : R. Nandhakumar;
Page : 1-7
Keywords : Chemosensor; Pyrene; Thiophene; Lead; Flourescence; PET;
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Abstract
A new pyrene based chalcone receptor 1 has been synthesized and utilized as a sensor for Pb2+ ions in aqueous media. Receptor 1 showed a highly selective and sensitive recognition of Pb2+ over other heavy and transition metal ions. The turn “off-on” fluorescent detection of Pb2+ by 1 is free from the interference of other metal ions. A possible PET mechanism is proposed for the “off-on” fluorescent enhancement.
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Last modified: 2015-06-23 15:35:41