Enoxacin-embedded EuMOF-based ratio fluorescent sensing platform integrated with paper-based sensor and skin-attachable hydrogel for glyphosate detection in foods
文献类型： 外文期刊
作者： Bai, Liwei 1 ; Li, Ze 1 ; Liu, Qingju 2 ; Zhang, Zhikun 1 ; Tian, Heli 1 ; Li, Zhengjie 1 ; Han, Jilong 1 ; Hu, Yongqi 1 ;
作者机构： 1.Hebei Univ Sci & Technol, Sch Chem & Pharmaceut Engn, Shijiazhuang 050018, Peoples R China
2.Beijing Acad Agr & Forestry Sci, Inst Qual Stand & Testing Technol, Beijing 10097, Peoples R China
关键词： Glyphosate; Enoxacin; Europium; Metal-organic frameworks; Fluorescence
期刊名称：JOURNAL OF HAZARDOUS MATERIALS （ 影响因子：11.3； 五年影响因子：12.4 ）
ISSN： 0304-3894
年卷期： 2025 年 489 卷
页码：
收录情况： SCI
摘要： To address the urgent requirement for food safety and ecological environmental protection, there is a need for a sensitive and user-friendly method for detecting glyphosate (GLY). Herein, we developed a novel enoxacinembedded Eu(III) metal-organic frameworks (ENX@EuMOF) sensing platform for fluorescent and visual dual- modes GLY detection in food samples. The ENX@EuMOF exhibited dual fluorescent signal responses to GLY at 613 nm (decrease) and 520 nm (increase) wavelengths, attributed to alterations in energy transfer efficiency and the ligand-to-metal charge transfer effects. The ratiometric fluorescent platform illustrated excellent sensitivity, achieving a low limitation of detection (LOD) of 0.35 mg/L and 10 mg/ L for fluorescent and visual detection, respectively. The linear response fell into the concentration range of 5 mg/L to 100 mg/L. Furthermore, it was also successfully applied to GLY-contaminated food, including corn, sunflower seed, soybean, eggplant, citrus, and tea. Meanwhile, the paper- and polyacrylamide hydrogel-based sensors were developed for rapid and real-time GLY detection on-site. These microsensors facilitated real-time, convenient, and sensitive
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