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- W4296138210 abstract "Abstract In this work, we had synthesized a novel dihydrazone-based fluorescent probe N'1,N'2-bis{1-(2-hydroxyphenyl)propylidene}oxalohydrazide for Al 3+ by simple condensation reaction. The prepared organic probe has been characterized by different physicochemical and spectroscopic techniques. The single-crystal structure of the receptor has also been reported. Aqueous ethanolic solution of probe shows an enhanced fluorescence in the presence of Al 3+ ions whereas no appreciable change in spectral pattern is observed in presence of other cations viz. Na + , K + , Ca 2+ , Ba 2+ , Mn 2+ , Fe 3+ , Co 2+ , Ni 2+ , Cu 2+ , Zn 2+ , Cr 3+ , Cd 2+ and Hg 2+ . The binding mode of the receptor with Al 3+ was studied by various spectral titration techniques such as UV-visible, fluorescence and 1 H NMR. The receptor acts as a dibasic hexadentate ligand and interacts with two Al 3+ ions with a high binding constant K B = 8.99 × 10 10 M − 1 . The lowest detection limit for the Al 3+ complex of H 2 hpoh was determined to be 7.8 × 10 − 5 M. With the help of DFT calculation, the mechanism of fluorescence enhancement has been explained." @default.
- W4296138210 created "2022-09-17" @default.
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- W4296138210 date "2022-09-08" @default.
- W4296138210 modified "2023-09-25" @default.
- W4296138210 title "A hydroxypropiophenone based fluorescent probe for selective determination of Al3+ ions in aqueous ethanol" @default.
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- W4296138210 doi "https://doi.org/10.21203/rs.3.rs-2000470/v1" @default.
- W4296138210 hasPublicationYear "2022" @default.
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