Colorimetric and fluorometric bimodal amine chemosensor based on deprotonation-induced intramolecular charge transfer: Application to food spoilage detection

Amine derivatives are signature organic compounds generated from rotten protein food. Thus, sensitive detection of the presence of amines in protein foods can be a critical technique for monitoring their quality. In this study, we develop an organic chemosensor probe, 4-(2-(3-(dicyanomethylene)− 5,5...

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Bibliographic Details
Published in:Journal of hazardous materials 2024-03, Vol.465, p.133150, Article 133150
Main Authors: Oh, Byeong M., Cho, Na Young, Lee, Eun Hye, Park, Seon Young, Eun, Hyeong Ju, Kim, Jong H.
Format: Article
Language:English
Subjects:
Amine gas
Colorimetric chemosensor
Fluorometric chemosensor
Food spoilage sensor
Intramolecular charge transfer
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Summary:Amine derivatives are signature organic compounds generated from rotten protein food. Thus, sensitive detection of the presence of amines in protein foods can be a critical technique for monitoring their quality. In this study, we develop an organic chemosensor probe, 4-(2-(3-(dicyanomethylene)− 5,5-dimethylcyclohex-1-en-1-yl)vinyl)-N,N-diethylbenzenaminium chloride (DEAH), to effectively detect amines through discernible bimodal (colorimetric and fluorometric) changes. By exploiting the amine-triggered intramolecular charge transfer behavior, DEAH exhibits rapid color changes (
ISSN:0304-3894
1873-3336
1873-3336
DOI:10.1016/j.jhazmat.2023.133150