Dual-ligand lanthanide metal-organic framework based ratiometric fluorescent platform for visual monitoring of aminoglycoside residues in food samples

文献类型： 外文期刊

第一作者： Deng, Tingting

作者： Deng, Tingting;He, Haibo;Yan, Xiaoxia;Lei, Yunyi;Luo, Liqiang;Chen, Huinan;Peng, Xitian;Li, Hongbo

作者机构：

关键词： Dual emission Eu-MOF; Ratiometric fluorescence; Visual sensor; Aminoglycoside antibiotics

期刊名称：TALANTA （ 影响因子：6.1； 五年影响因子：5.4 ）

ISSN： 0039-9140

年卷期： 2024 年 276 卷

页码：

收录情况： SCI

摘要： Herein, a dual-emission Eu metal-organic framework (Eu-MOF) is prepared and used as the ratiometric fluorescence probe for ultrasensitive detection of aminoglycoside antibiotics (AGs). Due to the strong hydrogen bond interactions between AGs and Eu-MOF, the blue emission is enhanced while the red emission has little fluctuation in Eu-MOF with the addition of AGs, thus a good linear relationship with the logarithm of AGs concentrations from 0.001 to 100 mu g/mL can be established for quantitative analysis. Good sensitivity with the detection limit of 0.33 ng/mL for apramycin, 0.32 ng/mL for amikacin and 0.30 ng/mL for kanamycin is achieved. The proposed assay demonstrates good selectivity and applicability for determination of AGs in real milk and honey samples. The Eu-MOF materials are further fabricated as fluorescent test papers for facile visual detection. The as-established ratio fluorescence platform offers a portable and economical way for rapid monitoring AGs residues in complex food samples.

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