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• W4283270484 endingPage "114112" @default.
• W4283270484 startingPage "114112" @default.
• W4283270484 abstract "Hydrazone derived from 3-methyl-2-furoylhydrazide and pyridoxal 5′-phosphate serves as turn-on fluorimetric sensor for Zn 2+ ions. It is sensitive, selective and applicable for practical purposes. • novel chemosensor 1 for zinc(II) ion is synthesized and identified; • structure of 1 and complex Zn 2+ - 1 was studied by quantum chemistry; • selective ability of 1 to form fluorescent complex with Zn 2+ is observed; • Zn 2+ concentration in real samples was determined using 1 ; • LOD = 18 nM; LOQ = 60 nM. Present paper reports on the synthesis and characterization of novel chemosensor for zinc(II) ion, a hydrazone derived from pyridoxal 5′-phosphate. The conformational diversity of the free ligand was studied by quantum chemistry methods at the B3LYP/ECP10MWB (Zn)/cc-pVTZ (H, C, N, O, P) level of density functional theory, and the optimal structures of free ligand and zinc(II) complex were chosen. The ligand has a selective ability to detect Zn 2+ in the aqueous solution, which also contains Na + , K + , Ca 2+ , Mg 2+ , Ba 2+ , Cd 2+ , Pb 2+ , UO 2 2+ . The detection is based on the formation of the zinc(II) complex, which has the enhanced fluorescent intensity in comparison with that of free hydrazone. The complex was also characterized comprehensively; the stability constant, quantum yield, and structure peculiarities were determined. Potential practical applications of the developed chemosensor for water and drug analysis, as well as bioimaging, were demonstrated." @default.
• W4283270484 created "2022-06-23" @default.
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• W4283270484 date "2022-11-01" @default.
• W4283270484 modified "2023-10-17" @default.
• W4283270484 title "Pyridoxal 5′-phosphate 2-methyl-3-furoylhydrazone as a selective sensor for Zn2+ ions in water and drug samples" @default.
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• W4283270484 doi "https://doi.org/10.1016/j.jphotochem.2022.114112" @default.
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