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- W2904038314 abstract "New hydrophilic fluorescent selective ion sensor based on phenazine and phthalazine moieties, 1,1′-(phenazine-2,3-diyl)-bis(3-(1,4-dihydroxyphthalazin-6-yl)urea) (1), has been designed, synthesized and characterized. Interestingly, sensor 1 exhibits prominent “turn-on” and “turn-off” fluorogenic signaling at 580 nm towards Fe2+ & AcO− and Sr2+ & Cu2+, respectively. The fluorescence titration experiments shed light on the nature of the interaction between 1 and guest molecules (Fe2+, Sr2+, Cu2+ and AcO−), which divulge that 1 is flexible enough to orient itself according to the size of the guest molecule. Water mediated excited-state intramolecular proton transfer (ESIPT) and photo-induced electron transfer (PET) mechanisms are responsible for the dual behavior of 1, which binds with guest molecules in 1:1 stoichiometry. Based on the significant duplex fluorescence response of 1, a molecular logic gate keypad lock with sixteen “on” passwords for a storage system has been developed." @default.
- W2904038314 created "2018-12-22" @default.
- W2904038314 creator A5077094413 @default.
- W2904038314 creator A5080950090 @default.
- W2904038314 creator A5089963600 @default.
- W2904038314 date "2019-03-01" @default.
- W2904038314 modified "2023-09-27" @default.
- W2904038314 title "Development of three ways molecular logic gate based on water soluble phenazine fluorescent ‘selective ion’ sensor" @default.
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- W2904038314 doi "https://doi.org/10.1016/j.saa.2018.12.006" @default.
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- W2904038314 hasPublicationYear "2019" @default.
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