Amine vapor-responsive ratiometric sensing tag based on HPTS/TPB-PVA fluorescent film for visual determination of fish freshness

Qian Han, Min Yang, Zexin Zhang, Xinwen Bai,Xiuying Liu,Zhenhua Qin,Wei Zhang,Pingping Wang,Lijie Zhu,Zaixi Shu,Xuepeng Li

Food Chemistry: X（2024）

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摘要

•Fluorescent sensing tag was developed for visual detection of fish freshness.•Sensing tag was based on the HPTS/TPB-PVA film with ratiometric attribute.•Sensing tag showed dramatic fluorescence color changes during sensing process.•Sensing tag showed potential for quantitatively predicting of the TVB-N level.

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关键词

Fluorescent film,Amine vapor,Sensing tag,Fish freshness,Ratiometric indicator

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