Colorimetric and fluorescent sensors for detection of nerve agents and organophosphorus pesticides

[Display omitted] Organophosphorus compounds are toxic organic phosphorus molecules including nerve agents and pesticides. Organophosphorus pesticides play a significant role in improving large-scale modern agriculture. Nerve agents are neurotoxic chemicals. Therefore, there is a demand for assays t...

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Bibliographic Details
Published in:Sensors and actuators. B, Chemical Chemical, 2021-10, Vol.344, p.130278, Article 130278
Main Authors: Chen, Qian, Sun, Yudie, Liu, Shengjun, Zhang, Jian, Zhang, Cheng, Jiang, Hui, Han, Xinya, He, Lifang, Wang, Suhua, Zhang, Kui
Format: Article
Language:English
Subjects:
Analogs
Chemical compounds
Colorimetric
Colorimetry
Fluorescence
Fluorescent sensor
Nanomaterials
Nerve agent
Organophosphorus compounds
Organophosphorus pesticide
Pesticides
Sensors
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Summary:[Display omitted] Organophosphorus compounds are toxic organic phosphorus molecules including nerve agents and pesticides. Organophosphorus pesticides play a significant role in improving large-scale modern agriculture. Nerve agents are neurotoxic chemicals. Therefore, there is a demand for assays to measure organophosphorus analogs in a rapid, sensitive, and convenient way. Here, colorimetric and fluorescence sensors can be an effective approach for sensing these substances. They have been extensively explored due to their portability and high sensitivity. This review summarizes recent development in colorimetric and fluorescent materials including small organic fluorophores, nanomaterials, complexes, and polymers since 2015. We describe advances in sensing a variety of organophosphorus analogs. We also discuss recent challenges and design strategies in developing colorimetric and fluorescent assays with high performance and specific sensing.
ISSN:0925-4005
1873-3077
DOI:10.1016/j.snb.2021.130278