Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 207, Issue -, Pages 216-223Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2014.10.044
Keywords
Chemosensor; Coumarin; Fluorescence; Naked-eye detection; Binding mode
Funding
- Ministry of Human resource and Development (MHRD), New Delhi, India
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A simple 4-Methyl-7-hydroxy-8-formyl Coumarin (CS) serves as a selective chemosensor for Mg2+ in the presence of alkali and alkaline earth metal ions. It showed a significant fluorescence enhancement towards Mg2+. The receptor CS exhibited a good binding constant and lowest detection limit for Mg2+. The variation of emission signal exists via of reversible chelation enhanced fluorescence (CHEF) with this inherent quenching metal ion. (C) 2014 Elsevier B.V. All rights reserved.
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