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- W2896988249 abstract "A new series of fluorescent chemosensors (7a-7f) based on a core skeleton of 2-(benzylideneamino)-4,5,6,7-tetrachloro-3′,6′-dihydroxyspiro-[isoindoline-1,9′-xanthen]-3-one was synthesized and characterized by FT-IR, NMR and mass spectrometric techniques. The sensitivity and selectivity of probes (7a-7f) for Cu2+ ions were investigated by colorimetric, UV-vis absorption, fluorescence emission spectral studies and electrochemical analysis. These optical probes exhibited higher sensitivity and selectivity towards Cu2+ ions in DMSO solution over various other metal cations under consideration. Induced changes were observable by naked-eye. Based on fluorescence titration spectra and Job's-plot, it was found that the complexes formed between probes (7a-7f) and Cu2+ ions were in 1:1 stoichiometric ratio. The detection limit for chemosensors (7a-7f) were calculated to be 3.0834 × 10−7–3.6425 × 10−7 M." @default.
- W2896988249 created "2018-10-26" @default.
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- W2896988249 date "2019-02-01" @default.
- W2896988249 modified "2023-09-25" @default.
- W2896988249 title "Optically selective and electrochemically active chemosensors for Cu (II) ions based on a skeleton of 2-(benzylideneamino)-4,5,6,7-tetrachloro-3′,6′-dihydroxyspiro-[isoindoline-1, 9′-xanthen]-3-one" @default.
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- W2896988249 doi "https://doi.org/10.1016/j.saa.2018.10.002" @default.
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