A Ratiometric Selective Fluorescent Probe Derived from Pyrene for Cu2+ Detection

被引：7

作者：

Yu, Chunwei ^{[1
,2
,3
]}

Yang, Mei ^{[4
]}

Cui, Shuhua ^{[5
]}

Ji, Yuxiang ^{[1
]}

Zhang, Jun ^{[1
,2
,3
]}

机构：

[1] Hainan Med Univ, Sch Trop Med, Haikou 571199, Hainan, Peoples R China

[2] Hainan Med Univ, Key Lab Trop Translat Med, Minist Educ, Haikou 571199, Hainan, Peoples R China

[3] Hainan Med Univ, Sch Trop Med, NHC Key Lab Control Trop Dis, Haikou 571199, Hainan, Peoples R China

[4] Hainan Med Univ, Sch Publ Hlth & One Hlth, Haikou 571101, Hainan, Peoples R China

[5] Weifang Univ Sci & Technol, Sch Chem Engn & Environm, Shouguang 262700, Peoples R China

来源：

CHEMOSENSORS | 2022年 / 10卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Cu2+; probe; pyrene; fluorescence imaging; COPPER-ION; OFF-ON; SENSOR; CHEMOSENSOR; DERIVATIVES;

D O I：

10.3390/chemosensors10060207

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A novel ratiometric Cu2+-selective probe was rationally constructed based on pyrene derivative. Compared to other tested metal ions, the probe presented the selective recognition for Cu2+ which could be detected by a significant turn-on fluorescent response at 393 nm and 415 nm. Under the optimized conditions, a detection limit of 0.16 mu M Cu2+ in aqueous media was found. Besides this, a 1:1 metal-ligand complex was confirmed by MS spectra and Job's plot experiment, and the binding mode was also studied by H-1 NMR experiment. Meanwhile, the fluorescence imaging in living cells was performed to detect Cu2+ with satisfactory results.

引用

页数：12

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