文献类型： 外文期刊
作者： Deng, Yan 1 ; Li, Shuhuai 1 ; Ma, Xionghui 1 ; Wu, Yuwei 1 ; Pang, Chaohai 1 ; Wang, Mingyue 1 ; Li, Jianping 2 ; Zhi, Xu 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Hainan Prov Key Lab Qual & Safety Trop Fruits & Ve, Anal & Test Ctr,Key Lab Trop Fruits & Vegetables Q, Key Lab Qual & Safety Control Subtrop Fruits & Veg, Haikou 571101, Peoples R China
2.Guilin Univ Technol, Coll Chem & Bioengn, Guilin 541004, Peoples R China
关键词：
Levofloxacin
期刊名称：MICROCHIMICA ACTA （ 影响因子：5.7； 五年影响因子：5.4 ）
ISSN： 0026-3672
年卷期： 2023 年 190 卷 11 期
页码：
收录情况： SCI
摘要： The key to developing sensors for chiral drug determination is to exclude interference from enantiomers. In this study, metal-organic frameworks (MOFs) and molecularly imprinted polymer (MIP) were introduced to prepare a chiral sensor for levofloxacin detection. The MIP was electropolymerised on the surface of the Cu/Fe-benzene-1,3,5-tricarboxylate MOF (Cu/Fe-BTC)-modified Au electrode using levofloxacin as a template molecule. After eluting the levofloxacin, a chiral sensor with recognition sites for levofloxacin was obtained. With this site as a switch, a novel method for detecting levofloxacin was established. Because of the enhanced recognition effect, the sensor can effectively exclude the enantiomeric interference of d-ofloxacin. Moreover, Cu/Fe-BTC can effectively amplify the current response signal and improve the sensitivity of the sensor. The linear range of the sensor was 5 to 4000 x 10(-11 )mol L-1, and the detection limit was 2.07 x 10(-11) mol L-1. When applied to detecting levofloxacin in actual samples, the sensor showed a 92.7-109.8% recovery.
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