Tetrahedron p. 5733 - 5738 (2018)
Update date:2022-08-17
Topics:
Jiang, Yuliang
Zhang, Sheng
Wang, Bingxiang
Qian, Tao
Jin, Can
Wu, Shishan
Shen, Jian
Hypochlorite (OCl?) plays important roles both in physiological and pathological processes, the detection of which is of great significance. Herein, a novel fluorescent probe based on the triphenylamine-type schiff base derivative (TPAD) was developed to detect OCl?. Probe TPAD exhibited specific fluorescence response toward ClO? with the fluorescence quenching rate up to 80%, and the detection limit was estimated to be 0.8 μM. The sensing mechanism study demonstrated that TPAD reacted with ClO? via an oxidation process, which was evidenced by MS and NMR characterization. Moreover, owing to the excellent sensing properties and negligible cytotoxicity, TPAD was successfully applied in the bioimaging of OCl? in living A549 cells.
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