金属-有机骨架(MOF)高灵敏检测水中的硝基咪唑类抗生素

doi:10.3969/j.issn.2095-2198.2023.05.003

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摘要

实验合成了一种新型的Cd-MOF，并将其作为荧光传感器，快速、简单和可靠地荧光识别检测水中硝基咪唑类抗生素.荧光光谱证明该配合物对奥硝唑(ODZ)、二甲硝咪唑(DTZ)和甲硝唑(MDZ)具有高选择性和灵敏度、优良的响应能力和低检出限(ODZ、DTZ和MDZ分别为2.66×10^-3μmol/L、1.465×10^-3μmol/L和2.66×10^-3μmol/L).通过紫外吸收光谱法分析了Cd-MOF的传感机理，实验结果表明Cd-MOF对硝基咪唑类抗生素的猝灭归因于荧光内滤效应.实验合成的Cd-MOF具有广阔的发展前景，有望实现水中硝基咪唑类抗生素的实际检测.

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关键词: Cd-MOF')" href="#">

Cd-MOF 荧光光谱法硝基咪唑类抗生素荧光内滤效应

Abstract:

A novel Cd-MOF was synthesized and used as a fluorescence sensor for rapid,simple,and reliable fluorescence recognition and detection of nitroimidazole antibiotics in water.Fluorescence spectra investigation have shown that the complex exhibits high selectivity and sensitivity,excellent response ability,and low detection limit towards metronidazole(ODZ),metronidazole(DTZ),and metronidazole(MDZ)(2.66×10^-3μmol/L,1.465×10^-3μmol/L,2.66×10^-3μmol/L for ODZ,DTZ and MDZ,separately).The sensing mechanism of Cd-MOF was analyzed by UV absorption spectroscopy,and the experimental results showed that the fluorescence quenching of Cd-MOF by nitroimidazole antibiotics was attributed to the fluorescence internal filtration effect.The synthesized Cd-MOF has broad development prospects and is expected to achieve practical detection of nitroimidazole antibiotics in water.

Key words: Cd-MOF')" href="#">

Cd-MOF fluorescence spectroscopy nitroimidazole antibiotics fluorescence internal filter effect

出版日期: 2023-10-27 发布日期: 2024-06-06 整期出版日期: 2023-10-27

ZTFLH:

O611.4

基金资助:

辽宁省科技厅博士启动项目(2021-BS-185)

通讯作者: 吴双妍

作者简介: 杨硕（1999—），女，辽宁朝阳人，硕士研究生在读，主要从事MOF材料的制备和应用研究.

引用本文:

杨硕, 王萍萍, 王冰, 毛丽颖, 王颖, 朱明昌, 吴双妍.

金属-有机骨架(MOF)高灵敏检测水中的硝基咪唑类抗生素 [J]. 沈阳化工大学学报, 2023, 37(5): 401-409.
YANG Shuo, WANG Pingping, WANG Bing, MAO Liying, WANG Ying, ZHU Mingchang, WU Shuangyan.

Highly Sensitive Detection of Nitroimidazole Antibiotics in Water Using Metal-Organic Framework(MOF) . Journal of Shenyang University of Chemical Technology, 2023, 37(5): 401-409.

链接本文:

https://xuebao.syuct.edu.cn/CN/10.3969/j.issn.2095-2198.2023.05.003 或 https://xuebao.syuct.edu.cn/CN/Y2023/V37/I5/401

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