Novel Fluorometric Turn On Detection of Aluminum by Chalcone-Based Chemosensor in Aqueous Phase |
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| Authors: | Guan-Yeow Yeap Yi-Huan Chan Wan Ahmad Kamil Mahmood |
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| Affiliation: | 1.Liquid Crystal Research Laboratory, School of Chemical Sciences,Universiti Sains Malaysia,Minden,Malaysia |
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| Abstract: | A novel, 100% water-soluble chalcone based chemosensing receptor {1-[3-(2-Hydroxy-phenyl)-3-oxo-propenyl]-naphthalen-2-yloxy}-acetic acid, L was synthesized and characterized. The receptor L is designed based on the chelation enhanced fluorescence (CHEF) mechanism. The chemosensing properties of L were evaluated by UV–vis and fluorescence spectrometric methods. It exhibits highly selective recognition ability towards aluminum ions in water over other metal ions. The binding stoichiometry of L? Al3+ complex is 2:1 by means of Job’s plot and the detection limit is 5.66?×?10??8 M. |
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