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Water-recyclable and reusable fluorescent sensors for nerve gas mimetic detection
Analyst ( IF 3.6 ) Pub Date : 2024-08-05 , DOI: 10.1039/d4an00789a Ashima Thakur 1 , Preeti AshokKumar Chaudhran 1 , Abha Sharma 1
Analyst ( IF 3.6 ) Pub Date : 2024-08-05 , DOI: 10.1039/d4an00789a Ashima Thakur 1 , Preeti AshokKumar Chaudhran 1 , Abha Sharma 1
Affiliation
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Herein, the serendipitous discovery of two water-recyclable and reusable fluorescent sensors IMPC (cyan–blue–cyan) and IMPC-OH (green–blue–green) is reported for sensing nerve agent simulants diethylcyanophosphonate and diethylchlorophosphate, respectively, with high sensitivity, short response time, and low detection limits. The unique features of these probes are their regeneration with the addition of a green and cheap solvent, namely water in CHCl3, and ease of fabrication into a portable paper-strip system that can also be regenerated. Various spectroscopic studies were employed to understand the mechanism of sensing and regeneration of both probes; the results reveal that water plays a critical role in the hydrolysis of the adduct formed with DCNP and DCP, which enables the retrieval of the probe with its original fluorescence.
中文翻译：
用于模拟神经毒气检测的水可回收和可重复使用的荧光传感器
在此，偶然发现了两种可水回收和可重复使用的荧光传感器IMPC （青色-蓝色-青色）和IMPC-OH （绿色-蓝色-绿色），分别用于传感神经毒剂模拟物氰基膦酸二乙酯和氯磷酸二乙酯，具有高灵敏度，响应时间短，检测限低。这些探针的独特之处在于，通过添加绿色且廉价的溶剂（即 CHCl 3中的水）即可进行再生，并且易于制造成也可再生的便携式纸条系统。采用各种光谱研究来了解两种探针的传感和再生机制；结果表明，水在 DCNP 和 DCP 形成的加合物的水解中起着关键作用，这使得探针能够恢复其原始荧光。
更新日期：2024-08-05
中文翻译：
用于模拟神经毒气检测的水可回收和可重复使用的荧光传感器
在此，偶然发现了两种可水回收和可重复使用的荧光传感器IMPC （青色-蓝色-青色）和IMPC-OH （绿色-蓝色-绿色），分别用于传感神经毒剂模拟物氰基膦酸二乙酯和氯磷酸二乙酯，具有高灵敏度，响应时间短，检测限低。这些探针的独特之处在于，通过添加绿色且廉价的溶剂（即 CHCl 3中的水）即可进行再生，并且易于制造成也可再生的便携式纸条系统。采用各种光谱研究来了解两种探针的传感和再生机制；结果表明，水在 DCNP 和 DCP 形成的加合物的水解中起着关键作用，这使得探针能够恢复其原始荧光。
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