A novel 1,3-diazepine-based fluorescent probe for highly selective detection of Hg 2+

被引：9

作者：

Aisikaer, Ailipire ^{[1
]}

Sa, Min ^{[1
]}

Jin, Yiling ^{[1
]}

Che, Yuanyuan ^{[1
]}

Li, Xiaojuan ^{[1
]}

机构：

[1] Xinjiang Normal Univ, Coll Chem & Chem Engn, Xinyi Rd 102, Urumqi 830054, Peoples R China

来源：

DYES AND PIGMENTS | 2024年 / 227卷

关键词：

1,3-diazepine; Fluorescent probe; Detection of mercury ion; Fluorescence quench; CHEMOSENSOR; SENSOR; ION;

D O I：

10.1016/j.dyepig.2024.112170

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A novel 1,3-diazepine based fluorescent probe for Hg 2 + has been successfully synthesized and characterized. Comprising a furan and pyridine, the probe L1 is a blue-emitting 1,3-diazepine derivative, which transforms into an imine form with high fluorescent yellow-emitting under alkaline conditions. Fluorescence quench of the probe in ethanol was observed with the addition of Hg 2 + aqueous in the presence and absence of other metal ions, with a visible color change from colorless to yellow, and this fluorescence quench can be observed in a wide pH range of 3-11. An important feature for this probe is its high selectivity towards mercury ions for the aqueous-phase detection of Hg 2 + over the other competitive metal ions, making the "naked-eye" detection of mercury ions possible.

引用

页数：7

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