A fluorescent turn-on probe based on coumarin-thiourea conjugate for Hg2+ detection in a wide pH range

被引：0
|
作者：
Yanxi Song
Mengjie Yan
Xiaofeng Xia
Zhixiu Pan
Jinjiang Shi
Hongqi Li
Peihong Cong
机构：
[1] Donghua University,College of Environmental Science and Engineering
[2] Donghua University,College of Chemistry and Chemical Engineering
[3] Fudan University,State Key Laboratory of Molecular Engineering of Polymers
来源：
Chemical Papers | 2023年 / 77卷
关键词：
Fluorescence; Probe; Coumarin-thiourea; Mercury;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A fluorescent probe (probe C) based on coumarin-thiourea conjugate was developed for selective detection of Hg2+. Addition of Hg2+ to probe C induced obvious enhancement of the fluorescence intensity. Probe C exhibited good selectivity toward Hg2+ and good anti-interference performance over other common competitive metal ions including Na+, K+, Ag+, Cu2+, Zn2+, Co2+, Ni2+, Mn2+, Mg2+, Fe2+, Fe3+, Ca2+ and Al3+. The detection limit of probe C for Hg2+ was calculated to be 0.44 nM. It was capable of detecting Hg2+ ion in a wide pH range of 1.0–10.0.
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收藏
页码：4297 / 4305
页数：8
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