Abstract
A pyridine based imine-linked chemosensor has been synthesized and evaluated its binding affinity with library of transition metal ions. It has prominent selectivity towards Pb2+ among other metal ions in DMF/H2O (9:1, v/v) solvent system. The 1:1 stoichiometric was confirmed by job’s plot and has a binding constant (Ka) = 5.142 × 103 M−1 on fluorescence. A B3LYP/6-31G and B3LYP/LanL2DZ basis sets were employed for optimization of 3 and 3.Pb2+.
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Acknowledgements
ASK gratefully acknowledge financial support from the Department of Science and Technology (DST under Fast Track Scheme-SR/FT/CS-160/2011), Government of India, New Delhi.
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Tayade, K.C., Kuwar, A.S., Fegade, U.A. et al. Design and Synthesis of a Pyridine Based Chemosensor: Highly Selective Fluorescent Probe For Pb2+ . J Fluoresc 24, 19–26 (2014). https://doi.org/10.1007/s10895-013-1287-6
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DOI: https://doi.org/10.1007/s10895-013-1287-6