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

被引：8
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.
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页数：12
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