A facile AIE fluorescent probe with large Stokes shift for the detection of Cd2+ in real water samples and living cells

被引：19

作者：

Jiang, Huie ^{[1
]}

Chen, Lijuan ^{[1
]}

Li, Zhijian ^{[1
]}

Li, Junwei ^{[1
]}

Ma, Huaiqin ^{[1
]}

Ning, Lulu ^{[1
]}

Li, Nihao ^{[1
]}

Liu, Xinhua ^{[1
]}

机构：

[1] Shaanxi Univ Sci & Technol, Coll Bioresources Chem & Mat Engn, Ctr Expt Light Chem Engn Educ, Natl Demonstrat, Xian 710021, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2022年 / 243卷

基金：

中国博士后科学基金;

关键词：

Fluorescent probe; Aggregation induced emission; Large Stokes shift; Cd2+; Cell imaging; AGGREGATION-INDUCED EMISSION; SELECTIVE DETECTION; SCHIFF-BASE; TURN-ON; CADMIUM; SENSOR; ZN2+; ION;

D O I：

10.1016/j.jlumin.2021.118672

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A facile AIE fluorescent probe which exhibits a large stokes shift of 202 nm has been successfully developed. The probe can recognize Cd2+ with high selectivity by inhibiting ESIPT process, leading to observably blue-shift and significantly enhanced fluorescence with the colour changed from green to cyan. Excitedly, the recognition of Cd2+ is completely free from the interference of Zn2+ and Cd2+ could be quantitatively detected in aqueous solution with the detection limit of 1.5 x 10(-7) M. Moreover, the probe has been successfully applied to detect Cd2+ in real water samples and image Cd2+ in living cells.

引用

页数：8

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