Near-infrared fluorescent probe for detection of hydrogen sulfide in water samples and food spoilage

被引：10

作者：

Cai, Wenjuan ^{[1
]}

Xin, Tian ^{[1
]}

Sun, Leilei ^{[1
]}

Fan, Congbin ^{[1
]}

Liao, Guanming ^{[1
]}

Tu, Yayi ^{[1
]}

Liu, Gang ^{[1
]}

Pu, Shouzhi ^{[2
]}

机构：

[1] Jiangxi Sci & Technol Normal Univ, Coll Chem & Chem Engn, Jiangxi Key Lab Organ Chem, Nanchang 330031, Peoples R China

[2] Yuzhang Normal Univ, Dept Ecol & Environm, Nanchang 330103, Peoples R China

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2024年 / 316卷

基金：

中国国家自然科学基金;

关键词：

Near-infrared fluorescent probe; H2S; Water samples; Food spoilage; LIVING CELLS;

D O I：

10.1016/j.saa.2024.124341

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Hydrogen sulfide (H 2 S) is a common toxic gas that threatens the quality and safety of environmental water and food. Herein, a new near -infrared fluorescent probe DTCM was synthesized and characterized by single crystal Xray diffraction for sensing H 2 S. It exhibited a remarkable "turn -on " near -infrared (NIR) emission response at 665 nm with a remarkably massive Stokes shift of 175 nm, super -rapid detection ability (within 30 s), excellent photostability, high selectivity and sensitivity (limit of detection, LOD = 58 nM). Additionally, the probe was successfully utilized for the detection of H 2 S in environmental water samples. The DTCM -loaded test papers enabled convenient and real-time monitoring of H 2 S produced by food spoilage.

引用

页数：7

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