Novel molecularly imprinted polymers on metal-organic frameworks as sensors for the highly selective detection of zearalenone in wheat
文献类型： 外文期刊
作者： Du, Qiuzheng 1 ; Wu, Pu 1 ; Hu, Fan 1 ; Li, Geyuan 1 ; Shi, Jianrong 2 ; He, Hua 1 ;
作者机构： 1.China Pharmaceut Univ, Dept Analyt Chem, 639 Longmian Ave, Nanjing 211198, Jiangsu, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Food Safety & Nutr, State Key Lab Breeding Base, Key Lab Food Qual & Safety Jiangsu Prov, Nanjing 210014, Jiangsu, Peoples R China
3.Minist Agr, Key Lab Control Technol & Stand Agroprod Safety &, Nanjing 210014, Jiangsu, Peoples R China
4.Minist Agr, Key Lab Agroprod Safety Risk Evaluat, Nanjing 210097, Jiangsu, Peoples R China
5.China Pharmaceut Univ, Key Lab Biomed Funct Mat, Nanjing 211198, Jiangsu, Peoples R China
6.China Pharmaceut Univ, Minist Educ, Key Lab Drug Qual Control & Pharmacovigilance, Nanjing 210009, Jiangsu, Peoples R China
期刊名称：NEW JOURNAL OF CHEMISTRY （ 影响因子：3.591； 五年影响因子：3.385 ）
ISSN： 1144-0546
年卷期： 2019 年 43 卷 18 期
页码：
收录情况： SCI
摘要： The work describes an opto-sensor for the highly sensitive detection of the zearalenone (ZON) in wheat. A molecularly imprinted polymer layer was coated onto the surface of a luminescent metal-organic framework with cyclodo-decanyl-2,4-dihydroxybenzoate (CDHB), an analog of ZON, chosen as the template and 3-aminopropyltriethoxysilane (APTES) as the functional monomer. The obtained MOF@MIP (MMIP) was fully characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), N-2 adsorption-desorption measurements, and Fourier transform infrared spectroscopy (FT-IR). Under optimal conditions, the relative fluorescence intensity of MMIP decreased linearly with a concentration of ZON ranging from 0.05-1.0 mg L-1, with a detection limit of 0.018 mg L-1 and a good recovery of 95.53-98.01% (RSD < 4.7%). The sensor was stable and selective. Ultimately, the rapid and accurate detection of zearalenone in wheat was successfully realized.
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