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.
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收藏
页数：8
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