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Carbonyl compounds are ubiquitous quality trackers that provide information about food product degradation as well as air and water pollution levels. In addition, they are used as biomarkers for medical diagnoses. With more user-friendly sensors, their fast detection and easy quantification are highly relevant. The synthesis, characterization, and performance assessment of a new sensor based on aniline fluorescence to monitor carbonyls in real time is reported. A cost-effective synthesis using a straightforward sol-gel process led to the construction of a nontoxic silica-based material with high porosity, which can be used with almost no sample preparation. The material exhibits a rapid (< 1 min) fluorescence decrease upon interaction with carbonyl groups. The limit of detection is as low as ca. 5 × 10
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Laura Carballido
Elias Bou‐Maroun
Guy Weber
Talanta
Université de Bourgogne
Laboratoire Interdisciplinaire Carnot de Bourgogne
Procédés Alimentaires et Microbiologiques
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Carballido et al. (Thu,) studied this question.
www.synapsesocial.com/papers/68e5fdb9b6db643587591a7b — DOI: https://doi.org/10.1016/j.talanta.2024.126569
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