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Highly Water‐Stable 2D MOF as Dual Sensor for the Ultra‐Sensitive Aqueous Phase Detection of Nitrofuran Antibiotics and Organochlorine Pesticides
Small ( IF 13.0 ) Pub Date : 2024-11-20 , DOI: 10.1002/smll.202409095
Supriya Mondal, Rupam Sahoo, Madhab C. Das

Misuse of antibiotics and pesticides has led to hazardous effects on human health, livestock, agriculture, and aquaculture, which urges researchers to find simple, rapid, efficient, and cost‐effective methods for quick on‐site analysis of these organic pollutants with functional materials. Herein, a 2D chemically robust MOF: IITKGP‐71, {[Cd(MBPz)(2,6‐NDC)]·2H2O}n is strategically developed with ease in scalability and exploited as dual sensors toward the toxic antibiotic and pesticide detection via luminescence quenching in aqueous medium. The framework displays exceptional chemical robustness in water for 3 months, in an open atmosphere over 2 months, and wide range of aqueous pH solution (pH = 3–12) for a day. IITKGP‐71 can selectively quench the nitrofuran antibiotics (NFZ and NFT) and organochlorine pesticide DCN while remaining unaffected by other interfering antibiotics and pesticides, respectively. An excellent trade‐off between high effectivity (high Ksv) and high sensitivity (low LOD) was achieved for the targeted analytes. The easy scalability, high chemical stability, fast responsivity, multi‐responsive nature, recyclability with outstanding structural stability made this framework viable in playing a crucial role in safeguarding aquatic ecosystems and public health from the hazardous effects of antibiotics and pesticides.

中文翻译:


高度水稳定的 2D MOF 作为双传感器,用于对硝基呋喃抗生素和有机氯农药进行超灵敏的水相检测



抗生素和杀虫剂的滥用对人类健康、畜牧业、农业和水产养殖业造成了有害影响,这促使研究人员找到简单、快速、高效且具有成本效益的方法,使用功能性材料对这些有机污染物进行快速现场分析。在此,一种化学稳健的 2D MOF:IITKGP-71, {[Cd(MBPz)(2,6-NDC)]·2H2O}n 被战略性地开发出来,易于扩展,并被用作双传感器,通过水介质中的发光淬灭进行有毒抗生素和农药检测。该框架在水中 3 个月、在开放环境中 2 个月以及宽范围 pH 水溶液 (pH = 3–12) 中一天表现出卓越的化学稳定性。IITKGP-71 可以选择性地淬灭硝基呋喃类抗生素(NFZ 和 NFT)和有机氯农药 DCN,同时分别不受其他干扰抗生素和杀虫剂的影响。对于目标分析物,在高有效度(高 Ksv)和高灵敏度(低 LOD)之间实现了出色的平衡。易于扩展、化学稳定性高、响应速度快、多响应性、可回收性和出色的结构稳定性使该框架在保护水生生态系统和公共卫生免受抗生素和杀虫剂的有害影响方面发挥着关键作用。
更新日期:2024-11-20
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