A Novel Water-soluble Triphenylamine-based Fluorescent Probes for Real-time Monitoring of HSO3/SO32⁻ in Food Samples and Living Cells.

IF 2.6 4区 化学 Q2 BIOCHEMICAL RESEARCH METHODS
Xiujuan Li, Xinyuan Ma, Zhaogang Chen, Shoucheng Wang, Fengjin Liu, Jiancai Ding, Hao Jiang, Hang Wu, Xiufang Li, Xinchao Wang
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引用次数: 0

Abstract

Sulfur dioxide (SO2) is ubiquitously present in environmental and biological samples, predominantly as HSO3-/SO32- in aqueous solutions. While their controlled utilization underpins industrial and agricultural processes, excessive residual SO₂ poses severe threats to ecological sustainability and physiological homeostasis in organisms. To address the pressing need for rapid, real-time monitoring of these species, we developed a novel D-π-A structured fluorescent probe, TPA-SO₂, engineered through rational integration of triphenylamine as a robust electron-donating moiety. This probe exhibits excellent water solubility. Photophysical experiments revealed that the probe possesses high selectivity, instantaneous response (< 10 s), and a low detection limit (21.4 nM) for SO2 derivatives in PBS solution. Experimental results demonstrate the probe's applicability for detecting SO2 residues in various food products and for imaging SO2 derivatives in living cells.

一种新型水溶性三苯胺荧光探针用于食物样品和活细胞中HSO3 /SO32毒血症的实时监测。
二氧化硫(SO2)普遍存在于环境和生物样品中,主要以HSO3-/SO32-的形式存在于水溶液中。虽然它们的控制利用是工业和农业过程的基础,但过量残留的SO 2对生物的生态可持续性和生理稳态构成严重威胁。为了满足快速、实时监测这些物种的迫切需求,我们开发了一种新型的D-π-A结构荧光探针TPA-SO 2,该探针通过合理整合三苯胺作为强大的给电子基团而设计。该探针具有优异的水溶性。光物理实验表明,该探针在PBS溶液中具有高选择性、瞬时响应(2阶导数)。实验结果表明,该探针适用于各种食品中二氧化硫残留的检测和活细胞中二氧化硫衍生物的成像。
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来源期刊
Journal of Fluorescence
Journal of Fluorescence 化学-分析化学
CiteScore
4.60
自引率
7.40%
发文量
203
审稿时长
5.4 months
期刊介绍: Journal of Fluorescence is an international forum for the publication of peer-reviewed original articles that advance the practice of this established spectroscopic technique. Topics covered include advances in theory/and or data analysis, studies of the photophysics of aromatic molecules, solvent, and environmental effects, development of stationary or time-resolved measurements, advances in fluorescence microscopy, imaging, photobleaching/recovery measurements, and/or phosphorescence for studies of cell biology, chemical biology and the advanced uses of fluorescence in flow cytometry/analysis, immunology, high throughput screening/drug discovery, DNA sequencing/arrays, genomics and proteomics. Typical applications might include studies of macromolecular dynamics and conformation, intracellular chemistry, and gene expression. The journal also publishes papers that describe the synthesis and characterization of new fluorophores, particularly those displaying unique sensitivities and/or optical properties. In addition to original articles, the Journal also publishes reviews, rapid communications, short communications, letters to the editor, topical news articles, and technical and design notes.
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