Evaluation of a new calix[4]arene based molecular receptor for sensitive and selective recognition of F− and Cu2+ ions
作者： Har Mohindra Chawla , Tanu Gupta
DOI: 10.1016/J.JLUMIN.2014.04.004
关键词: Photochemistry 、 Spectroscopy 、 Crystallography 、 Detection limit 、 Chemistry 、 Metal 、 Ultraviolet visible spectroscopy 、 Fluoride 、 Fluorescence 、 Proton NMR 、 Ion 、 Biophysics 、 Atomic and Molecular Physics, and Optics 、 Biochemistry 、 General chemistry 、 Condensed matter physics
摘要: Abstract Design and evaluation of a single molecular receptor for multiple analytes reveal that calix[4]arene based 4 shows highly selective response towards Cu 2+ F − ions with detection limits 0.5 µM 0.7 µM respectively when examined through UV–vis, fluorescence 1 H NMR spectroscopy. Simultaneous binding studies on metal ion fluoride it exhibits negative allosteric effect /F .
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