A simple naphthalene-based colorimetric sensor selective for acetate |
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| Authors: | Shyamaprosad Goswami Avijit Kumar DasDebabrata Sen Krishnendu AichHoong-Kun Fun Ching Kheng Quah |
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| Affiliation: | a Department of Chemistry, Bengal Engineering and Science University, Shibpur, Howrah 711103, West Bengal, India
b X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia |
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| Abstract: | A new naphthalene based receptor (L) has been designed and synthesized which shows a remarkable color change from colorless to pink on selective binding with acetate. The anion recognition property of the receptor via hydrogen bonding interactions is monitored by UV-vis, fluorescence, and 1H NMR titrations. It is observed that in each case, the receptor shows a specific selectivity toward the acetate ion over other interfering anions. Thus, a significant bathochromic shift in UV-vis spectrum with a sharp pink color in ‘naked-eye’ makes the receptor suitable for the detection of the acetate ion. |
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| Keywords: | Colorimetric Naphthalene Chromophore Anion recognition Acetate ion |
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