Meta-Phenylenediamine-Derived Silver-Containing Nanoporous Hyper-Cross-Linked Polymer: An Innovative Fluorescence Probe for S2O32- ion Detection in Aqueous Media

被引：0

作者：

Nasimpour, Fariba ^{[1
]}

Mansournia, Mohammadreza ^{[1
]}

Badiei, Alireza ^{[2
]}

机构：

[1] Univ Kashan, Fac Chem, Dept Inorgan Chem, Kashan, Iran

[2] Univ Tehran, Coll Sci, Sch Chem, Tehran, Iran

来源：

JOURNAL OF FLUORESCENCE | 2025年 / 35卷 / 05期

关键词：

Hyper-cross-linked polymers; Fluorescence probe; Thiosulfate ion; Aqueous media; HIGH-PERFORMANCE; SELECTIVE DETECTION; HUMAN-URINE; THIOSULFATE; CHROMATOGRAPHY; SULFIDE; DECOMPOSITION; ADSORPTION; FRAMEWORKS; REMOVAL;

D O I：

10.1007/s10895-024-03693-x

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

The meta-phenylenediamine polymer, when hyper-cross-linked, exhibits a minimal fluorescence intensity. However, the introduction of silver ions induces a significant increase in intensity, attributed to the plasmonic effect. This heightened intensity is selectively increased more upon the addition of thiosulfate ions. Capitalizing on this property, a fluorescence probe was developed. The correlation between fluorescence intensity reduction and S2O32- concentration follows a linear and consistent pattern. The precursor's response to diverse anions such as SO42-, CO32-, HPO42-, Cr2O72-, F--(-), Cl-, Br-, I-, H2PO4-, CH3COO-, NO3-, ClO-, and HCO3- was also examined. Under optimal conditions, the probe exhibited a linear range of 0.5-3 mu M with a detection limit of 0.01 mu M. Its effectiveness was demonstrated in measuring thiosulfate concentrations in aqueous media.

引用

页码：2795 / 2801

页数：7

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