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论文类型：期刊论文

发表时间：2019-03-01

发表刊物：DYES AND PIGMENTS

收录刊物：SCIE、Scopus

卷号：162

页面范围：160-167

ISSN号：0143-7208

关键字：Fluorescent probe; Dual-function; Hypochlorite; Water content; Bioimaging; Large Stokes shift

摘要：It is of great significance to design a single probe, which can detect two different types of analytes. Herein, we synthesized the first dual-function fluorescent probe (probe FSQTZ) for the detection of water content and hypochlorite (ClO-) under different excitation wavelengths. The probe itself had strong fluorescence in four dry organic solvent, and the increase of water content could cause its fluorescence quenching and fluorescence color change. The probe was especially responsive to water in acetone (LOD = 0.014 wt %), and it can be employed to detect tiny amounts of water in commercial products such as aginomoto, salt, dried jasmine, and dried dates. Meanwhile, probe FSQTZ can selectively detect ClO- in aqueous solution with a remarkable large Stokes shift (168 nm), a rapid response time (within 10 s), an obvious change of color, a wide pH range of response, and it was also applied for imaging ClO- in PC12 cells. Furthermore, the CIE 1931 chromaticity diagram was successfully used to show the accurate color changes of probe.