用于超快检测亚硫酸氢盐的喹啉基荧光探针及其在食品检测、二氧化硫气体检测和细胞成像中的应用

IF 2.1 3区化学 Q2 CHEMISTRY, ORGANIC

Tetrahedron Pub Date : 2024-11-01 DOI:10.1016/j.tet.2024.134355

Nan Liu , Zefei Lin , Ying Li, Chengyan Wu, Mingyu Tian, Lijun Tang

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引用次数: 0

摘要

二氧化硫及其衍生物（HSO3-/SO32-）在维持生物系统的氧化还原平衡方面发挥着至关重要的作用。因此，开发有效的二氧化硫及其衍生物检测方法至关重要。本文利用小分子喹啉设计并合成了一种新型荧光探针 QLN，通过迈克尔加成反应证明了其识别 HSO3- 的能力。探针 QLN 对 HSO3- 的识别具有良好的选择性和抗干扰能力，可在较宽的 pH 值范围（5-9）内有效工作，并表现出快速的响应时间（5 秒）。实际应用揭示了探针 QLN 在检测活细胞和食品样品中 HSO3- 的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

A quinolinium-based fluorescent probe for ultrafast detection of bisulfite and its applications in food detection, SO2 gas detection, and cell imaging

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A quinolinium-based fluorescent probe for ultrafast detection of bisulfite and its applications in food detection, SO2 gas detection, and cell imaging

Sulfur dioxide and its derivatives (HSO₃⁻/SO₃^2-) play a crucial role in maintaining the redox balance of biological systems. Therefore, the development of effective detection methods for sulfur dioxide and its derivatives is of paramount importance. Herein, a novel fluorescent probe, QLN, was designed and synthesized using small molecule quinoline, demonstrating the capacity to recognize HSO₃⁻ through Michael addition reaction. The probe QLN displayed good selectivity and anti-interference capabilities for HSO₃⁻ recognition, effectively operating within a wide pH range (5–9) and exhibiting a rapid response time (<5 s). Practical applications revealed the potential of probe QLN for detecting HSO₃⁻ in living cells and food samples.

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来源期刊

Tetrahedron 化学-有机化学

CiteScore

3.90

自引率

4.80%

发文量

439

审稿时长

34 days

期刊介绍： Tetrahedron publishes full accounts of research having outstanding significance in the broad field of organic chemistry and its related disciplines, such as organic materials and bio-organic chemistry. Regular papers in Tetrahedron are expected to represent detailed accounts of an original study having substantially greater scope and details than that found in a communication, as published in Tetrahedron Letters. Tetrahedron also publishes thematic collections of papers as special issues and ''Reports'', commissioned in-depth reviews providing a comprehensive overview of a research area.