Construction of an Ag+-functionalized structural color hydrogel sensor for colorimetric detection of glutathione

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成果类型：

期刊论文

作者：

Feng, Qianqian;Zhou, Jiang;Wang, Lingfeng;Gong, Xiaojiao;Xi, Qiang;...

通讯作者：

Xiao, FB;Du, WF

作者机构：

[Zhou, Jiang; Yang, Shengyuan; Feng, Qianqian; Xiao, Fubing] Univ South China, Sch Publ Hlth, Hengyang Med Sch, Hunan Key Lab Typ Environm Pollut & Hlth Hazards, Hengyang 421001, Peoples R China.

[Du, Wenfang] Hunan Inst Technol, Sch Chem & Environm Engn, Hengyang 421002, Peoples R China.

[Xi, Qiang] Univ South China, Hunan Prevent & Treatment Inst Occupat Dis, Affiliated Prevent & Treatment Inst Occupat Dis, Changsha 410007, Peoples R China.

[Gong, Xiaojiao; Wang, Lingfeng] Hunan Yongzhou Ecol Environm Monitoring Ctr, Yongzhou 425042, Peoples R China.

通讯机构：

[Xiao, FB ] U

[Du, WF ] H

Univ South China, Sch Publ Hlth, Hengyang Med Sch, Hunan Key Lab Typ Environm Pollut & Hlth Hazards, Hengyang 421001, Peoples R China.

Hunan Inst Technol, Sch Chem & Environm Engn, Hengyang 421002, Peoples R China.

语种：

英文

关键词：

Glutathione;Structural color hydrogel;Competitive coordination reaction;Colorimetric detection;Smartphone-assisted detection

期刊：

Microchimica Acta

ISSN：

0026-3672

年：

2025

卷：

192

期：

页码：

652

DOI：

10.1007/s00604-025-07442-0

基金类别：

This work was supported by the National Natural Science Foundation of China (21906077, 82473686) and the Scientific Research Foundation of Hunan Provincial Education Department (23A0346).

机构署名：

本校为第一且通讯机构

院系归属：

公共卫生学院

摘要：

AnAg(+)-functionalized structural color hydrogel (Ag(+)-SCH) sensor is constructed for colorimetric detection of glutathione (GSH). The hydrogel is prepared by using the coordination of Ag(+) and 1-vinylimidazole (1-VI) as cross-linking network. GSH acts as a competitive ligand to break the coordination between Ag(+) and 1-VI, leading to the expansion and structural color change of the hydrogel. Quantification was achieved by measuring particle spacing changes, yielding a dynamic range of 0.1-200μM with a limit of detection (LOD) of 0.04μM. A...

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Construction of an Ag+-functionalized structural color hydrogel sensor for colorimetric detection of glutathione

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