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  • Title: Copper metal-organic framework for selective detection of florfenicol based on fluorescence sensing in chicken meat.
    Author: Hasani R, Ehsani A, Hassanzadazar H, Aminzare M, Khezerlou A.
    Journal: Food Chem X; 2024 Oct 30; 23():101598. PubMed ID: 39071929.
    Abstract:
    UNLABELLED: Using a hydrothermal technique, a highly sensitive metal-organic Cu-MOFs sensor has been created to detect florfenicol (FFC) fluorescent in chicken meat. The sensor has demonstrated the ability to respond to the presence of FFC in an aqueous solution with accuracy and selectivity, as evidenced by an increase in fluorescence intensity. The interactions and adsorption mechanism based on hydrogen bonding, π- π, and n-π interactions demonstrate the high sensitivity and specificity of Cu-MOFs towards. FFC was detected quantitatively with a recovery of 96.48-98.79% in chicken meat samples. Within a broad linear range of 1-50 μM, the Cu-MOFs nanosensor exhibits a fast response time of 1 min, a low limit of detection (LOD) of 2.93 μM, and a limit of quantification (LOQ) of 8.80 μM. The potential applicability of the Cu-MOFs nanosensor for the detection of FFC in food matrices is confirmed by the results obtained with high-performance liquid chromatography (HPLC). CHEMICAL COMPOUNDS: Copper (II) nitrate (PubChem CID: 18616); Terephthalic acid (PubChem CID: 7489); Polyvinyl pyrrolidone (PubChem CID: 486422059); N, N-dimethylformamide (PubChem CID: 6228); Ethyl alcohol (PubChem CID: 702); Hydrochloric acid (PubChem CID: 313); Sodium hydroxide (PubChem CID: 14798); Acetic acid (PubChem CID: 176); Trichloroacetic acid (PubChem CID: 6421); Florfenicol (PubChem CID: 114811).
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