A dual-functional colorimetric and "on-off" fluorescent probe based on purine derivative for detecting Pd2+ and Cu2+: Application as test strips

被引：25

作者：

Dong, Zheng ^{[1
]}

Chen, Wei ^{[2
]}

Li, Hanlin ^{[2
]}

Dai, Yuhao ^{[2
]}

Zheng, Tongtong ^{[2
]}

Zhang, Hongjie ^{[2
]}

Xu, Haiyan ^{[2
]}

Lu, Hongfei ^{[2
]}

机构：

[1] Jiangsu Zhenjiang Environm Monitoring, Zhenjiang, Jiangsu, Peoples R China

[2] Jiangsu Univ Sci & Technol, Sch Environm & Chem Engn, Zhenjiang 212003, Jiangsu, Peoples R China

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 2020年 / 116卷

基金：

中国国家自然科学基金;

关键词：

Purine; Fluorescent probe; On-off; REAL-TIME DETECTION; SELECTIVE DETECTION; RAPID DETECTION; RHODAMINE-B; COPPER-ION; CHEMOSENSOR; PALLADIUM; SENSOR;

D O I：

10.1016/j.inoche.2020.107915

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A Schiff base-type fluorescent probe, PTAID, based on purine derivative was designed and synthesized. To our delight, this probe PTAID could quickly recognize Pd2+ and Cu2+ in HEPES buffer solution without the interfering from other ions. The fluorescent probe PTAID displayed significant and specific fluorescence quenching towards Pd2+ and Cu2+ with high selectivity and sensitivity, and accompanied by a visual color change of the probe solution from colorless to yellow. The detection limits of PTAID for Pd2+ and Cu2+ in HEPES buffer solution were 0.63 mu M and 1.19 mu M, respectively. Moreover, the binding mechanisms of PTAID towards Pd2+ and Cu2+ were supported by Job's plot. Finally, the probe PTAID was successfully made test paper to detect Pd2+ and Cu2+ in a solid state.

引用

页数：6

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