A reversible CHEF-based NIR fluorescent probe for sensing Hg2+ and its multiple application in environmental media and biological systems

A reversible CHEF-based NIR fluorescent probe for sensing Hg2+ and its multiple application in environmental media and biological systems

Hg2+ poses a great threat to human health and the environment due to its bioaccumulation and permanent damage. Herein, a reversible CHEF-based near-infrared fluorescent probe 2-(3-((E)-4-((E)-4-(diethylamino)-2- hydroxybenzylidene)amino)styryl)-5,5-dimethylcyclohex-2-en-1-ylidene)propanedinitrile (D...

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Veröffentlicht in:The Science of the total environment 2023-05, Vol.874, p.162460-162460, Article 162460
Hauptverfasser: Zhu, Meiqing, Sun, Long, Liu, Xina, Pang, Xiaohui, Fan, Fugang, Yang, Xiaofan, Hua, Rimao, Wang, Yi
Format: Artikel
Sprache:eng
Schlagworte:
bioaccumulation
Chelation enhanced fluorescence
Danio rerio
Density functional theory
environment
fluorescence
fluorescent dyes
heavy metals
Hg2
human health
Imaging
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Zusammenfassung:Hg2+ poses a great threat to human health and the environment due to its bioaccumulation and permanent damage. Herein, a reversible CHEF-based near-infrared fluorescent probe 2-(3-((E)-4-((E)-4-(diethylamino)-2- hydroxybenzylidene)amino)styryl)-5,5-dimethylcyclohex-2-en-1-ylidene)propanedinitrile (DHEY) capable of specifically recognizing Hg2+ was constructed. DHEY exhibits advantages of large Stokes shift (157 nm), excellent selectivity, high sensitivity (LOD = 3.2 μg/L), and fast response efficiency (
ISSN:0048-9697
1879-1026
DOI:10.1016/j.scitotenv.2023.162460