Smartphone-based colorimetric sensor array using gold nanoparticles for rapid distinguishment of multiple pesticides in real samples

Ting Zhao,Xiaochen Liang,Xinjie Guo,Xingjie Yang,Jialiang Guo,Xia Zhou,Xueqin Huang, Wenqian Zhang, Yiqing Wang, Zhaowei Liu,Zhengjin Jiang,Hongke Zhou,Haibo Zhou

Food Chemistry（2023）

引用 11|浏览3

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摘要

•First developed a colorimetric sensor-array based on five different AuNPs and AChE to distinguish eight kinds of pesticides with different color response patterns.•The accuracy of the distinguishment was proved by LDA and was further improved by a smartphone application using RGB values.•This developed optical method was successfully applied to real samples, including fruits, vegetables, and traditional Chinese herbs.

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关键词

Colorimetric sensor array,Acetylcholinesterase,Pesticides,Gold nanoparticles,RGB values

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