Reversible AIE-active fluorescent probe with a large emission peak shift for ratiometric detection of food freshness indicator H2S

被引：46

作者：

Wang, Beibei ^{[1
,2
]}

Leng, Juncai ^{[1
,2
]}

Wang, Xiaoqian ^{[1
,2
]}

Zhao, Wei ^{[1
,2
]}

机构：

[1] Jiangnan Univ, Sch Food Sci & Technol, State Key Lab Food Sci & Technol, Wuxi 214122, Jiangsu, Peoples R China

[2] Jiangnan Univ, Jiangsu Key Lab Adv Food Mfg Equipment & Technol, Wuxi, Jiangsu, Peoples R China

来源：

FOOD CHEMISTRY | 2022年 / 386卷

关键词：

AIE; H2S; Ratiometric; Reversive; Food freshness; LARGE STOKES SHIFT; HYDROGEN-SULFIDE; LIVING CELLS; MECHANISM; RED;

D O I：

10.1016/j.foodchem.2022.132768

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

It is crucial to on-site monitor H2S for addressing the concerns associated with food safety. We rationally prepared an AIE-active fluorescent probe (CLBZ) with the aggregated state conversion for sensing H2S in a ratio-metric response manner. CLBZ displayed ratiometric response, fast response time (5 s), well-resolved emission peak shift (147 nm) and high selectivity towards H2S, and it can be used as a reversible and reusable probe. The probe-based test strip was also developed to conveniently detect H2S generated during food spoilage in the absence of laboratory instruments. It achieved the consistent results and sensitivity with that determined by the colony forming unit (CFU) assay. These results paved a successful way to develop an effective analytical method for food quality and safety.

引用

页数：7

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