Journal
CHEMICAL PAPERS
Volume 76, Issue 8, Pages 4777-4786Publisher
SPRINGER INT PUBL AG
DOI: 10.1007/s11696-022-02205-0
Keywords
Metal-organic framework; Fluorescence detection; Chlortetracycline; Fluorescence probe
Categories
Funding
- National Natural Science Foundation of China [21775042, 22176044]
- National Key Research and Development Program of China [2017YFA0207003]
- Projects of Talents Recruitment of GDUPT [2019rc056, 2019rc057]
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The excessive use of antibiotics in agriculture leads to contamination in food and water. This paper synthesized a zinc(II)-trimesic acid metal-organic framework and developed a test paper for the visual detection of chlortetracycline. The test paper showed potential application in water quality monitoring.
The excessive use of antibiotics in agriculture leads to their contamination in food and water; it is highly demanded to develop new functional materials for their fast and on-site detection. In this paper, we synthesized a zinc(II)-trimesic acid metal-organic framework (Zn-BTC) by microwave and explored its practical application for the detection of chlortetracycline (CTC) based on conformational variation mechanism. A limit of detection (LOD) of 24 nM was estimated for CTC according to the 3 sigma principle. Due to their similar unique structural properties, other tetracyclines also produce fluorescence enhancement upon adsorption with Zn-BTC, which can be used to distinguish tetracyclines from other antibiotics. Based on the properties, a test paper was fabricated by loading Zn-BTC on glass fiber filter paper. The paper could be used for non-contact visual detection of CTC, suggesting great application potential in water quality monitoring.
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