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- W2895958187 abstract "A novel bifunctional thiophene-based Schiff base TS as a colorimetric and fluorescent turn-on sensor for rapid and simultaneous detection of Al3+ and Zn2+ ions with high selectivity and sensitivity has been developed. The sensor shows remarkable fluorescence enhancement response for Al3+ and Zn2+ over a broad pH range with good anti-interference capability, which accompanied with an obvious color change easily detected by naked eyes. Sensor TS can detect as low as 3.7 × 10−9 M for Al3+ and 3.0 × 10−8 M for Zn2+, whereas respective association constants are 1.16 × 104 M−1 and 2.08 × 104 M−1. With the help of fluorescence titration and Job's plot, the stoichiometric ratio of TS with Al3+/Zn2+ was determined to be 1:1. The sensing mechanism of sensor TS with Al3+/Zn2+ based on the chelation-enhanced fluorescence (CHEF) was analyzed in detail through 1H NMR titration, FTIR, HRMS and DFT studies. Moreover, sensor TS has been applied to the detection of Al3+ and Zn2+ in real environmental water and food samples as well as the filter paper-based test strips. Furthermore, sensor TS has good cell-permeability and can be used to selectively sense intracellular Al3+ and Zn2+ by bioimaging." @default.
- W2895958187 created "2018-10-26" @default.
- W2895958187 creator A5007778530 @default.
- W2895958187 creator A5032768377 @default.
- W2895958187 creator A5042192615 @default.
- W2895958187 creator A5064842058 @default.
- W2895958187 date "2019-02-01" @default.
- W2895958187 modified "2023-10-09" @default.
- W2895958187 title "Novel thiophene-based colorimetric and fluorescent turn-on sensor for highly sensitive and selective simultaneous detection of Al3+ and Zn2+ in water and food samples and its application in bioimaging" @default.
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- W2895958187 doi "https://doi.org/10.1016/j.aca.2018.10.043" @default.