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Chapter OP-20

A Coumarin-appended pyridine dicarbohydrazide-based chemosensor for highly sensitive and selective colorimetric recognition of Ni2+ ions

Yogita, Prof. Rakesh Kumar

Abstract

A novel coumarin-appended pyridine dicarbohydrazide-based colorimetric chemosensor (H1) was designed for detection of Niยฒโบ ions. LOD was 97 nM. Binding constant was 0.94 ร— 10โด Mโปยน.

Keywords: Colorimetric chemosensor; Ni2+ ions; UV-Vis spectroscopy; DFT; TDDFT

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