A smartphone-assisted 2D Cd-MOF-based mixed-matrix membrane exhibiting visual and on-site quantitative sensing of antibiotics and pesticides for food safety

被引：2
作者：
Lei, Mingyuan [1 ,2 ]
Pan, Xuze [1 ]
Liu, Mengying [1 ]
Zhang, Qingfu [1 ]
机构：
[1] Liaocheng Univ, Coll Chem & Chem Engn, Liaocheng 252059, Peoples R China
[2] Shandong Univ Polit Sci & Law, Key Lab Evidence Identificat Univ Shandong Prov, Jinan 250014, Shandong, Peoples R China
来源：
FOOD CHEMISTRY | 2025年 / 481卷
基金：
中国国家自然科学基金;
关键词：
Smartphone-assisted; MOF-based mixed matrix membrane; On-site; Visual detection; Food contamination; METAL-ORGANIC FRAMEWORKS; PHASE MICROEXTRACTION; LUMINESCENT; SEPARATION;
D O I：
10.1016/j.foodchem.2025.144056
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Food contamination is a current global concern, thus rapid and accurate quantitative detection of contaminants is essential for ensuring food safety. Herein, a MOF-based mixed-matrix membrane (1@PMMA) was fabricated by incorporating a stable 2D luminescent Cd-MOF, {[Cd2(L)2(DMSO)2]& sdot;2DMSO}n (1) (H2L = 5-(4-(pyridin-4-yl) benzamido)benzene-1,3-dioic acid), into a flexible poly(methyl methacrylate) (PMMA) matrix. The resulting 1@PMMA exhibited sensitive, strong anti-interference, recyclable, and visual detection of nitrofurazone (NFZ) and 2,6-dichloro-4-nitroaniline (DCN). Furthermore, a portable smartphone-assisted sensing platform was developed by coupling the luminescent 1@PMMA with a smartphone, to realize visual and on-site quantitative detection of NFZ and DCN in real food samples. This work provides a portable and intelligent sensing platform for the visual and on-site quantitative detection of antibiotic and pesticide residues in food samples, demonstrating significant potential for food safety monitoring and quality control.
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页数：9
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