Fluorescence turn-on detection of tannic acid using a 6,7-dihydroxycoumarin-Fe3+complex

被引：4

作者：

Tang, Jiali ^{[1
]}

Wang, Mingxiu ^{[1
,4
]}

Wang, Yuting ^{[1
]}

Yin, Nan ^{[1
]}

Qin, Guixin ^{[1
]}

Yang, Xueting ^{[1
]}

Lu, Huan ^{[2
]}

Han, Bin ^{[3
]}

Xu, Qingling ^{[1
,5
]}

Yao, Xin ^{[1
]}

机构：

[1] Univ Chinese Acad Sci, Sch Chem Sci, Beijing 101408, Peoples R China

[2] China Agr Univ, Coll Sci, Beijing 100193, Peoples R China

[3] Univ Chinese Acad Sci, Sch Humanities, Dept Archaeol & Anthropol, Beijing 100049, Peoples R China

[4] Shanxi Med Univ, Sch Publ Hlth, Taiyuan 030001, Peoples R China

[5] Univ Chinese Acad Sci, 1 Yanqihu East Rd, Beijing 101408, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2024年 / 403卷

基金：

中国国家自然科学基金;

关键词：

Tannic acid; Fluorescent probe; Paper-based detection; Food safety; Leather tanning agents; BASIS-SETS; CHEMILUMINESCENCE; TECHNOLOGIES; ANTIOXIDANT; BINDING;

D O I：

10.1016/j.snb.2023.135174

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Tannic acid (TA) is a natural polyphenolic compound widely distributed in plants and is extensively associated with medicine, food and leather. In this study, we developed a highly sensitive turn-on fluorescent probe for TA using an ensemble of 6,7-dihydroxycoumarin (DHC) and Fe3+ (DHC-Fe). DHC-Fe exhibited high selectivity over gallic acid and vitamin C, which avoided sample pretreatment so that simplified the detection process. Furthermore, DHC-Fe was successfully applied to detect TA in vegetable-tanned leather and in beverage samples. A portable paper-based TA sensor was prepared and allowed simple detection.

引用

页数：7

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