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A fluorescence probe, 8-formyl-7-hydroxyl-4-methyl coumarin – (2′-methylquinoline-4-formyl) hydrazone (L) has been synthesized. The chemosensor is found preferential binding to Al 3+ in presence of other competitive ions with associated changes in its optical and fluorescence spectra behavior. Upon addition of Al 3+ to a solution of L, it shows 200-fold enhancement of fluorescence...
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