Carbon Nanotube-Supported Dummy Template Molecularly Imprinted Polymers for Selective Adsorption of Amide Herbicides in Aquatic Products
文献类型： 外文期刊
作者： Zeng, Sili 1 ; Li, Chenhui 1 ; Huang, Li 1 ; Chen, Zhongxiang 1 ; Wang, Peng 1 ; Qin, Dongli 1 ; Gao, Lei 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Harbin 150070, Peoples R China
2.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai 201306, Peoples R China
3.Minist Agr & Rural Affairs, Supervis Inspect & Testing Ctr Fishery Environm &, Harbin 150070, Peoples R China
4.Minist Agr & Rural Affairs, Key Lab Control Qual & Safety Aquat Prod, Beijing 100141, Peoples R China
5.Northeast Forestry Univ, Coll Chem Chem Engn & Resource Utilizat, Key Lab Forest Plant Ecol, 26 Hexing Rd, Harbin 150070, Peoples R China
关键词： carbon nanotubes; MSPD; aquatic products; amide herbicide
期刊名称：NANOMATERIALS （ 影响因子：5.3； 五年影响因子：5.4 ）
ISSN：
年卷期： 2023 年 13 卷 9 期
页码：
收录情况： SCI
摘要： In this study, a carbon nanotube (CNTs)-supported dummy template molecularly imprinted polymer (DMIPs) material was synthesized and utilized for the detection of amide herbicides in aquatic products via matrix solid-phase dispersion technology (MSPD). The DMIPs material was characterized, and its adsorption kinetics and isotherm were determined, the adsorption model was established, and the selective adsorption coefficient was calculated. The extract parameters of the method were optimized and successfully employed for the separation, analysis and detection of real samples, with satisfactory detection limits and linear ranges obtained. By comparing with other methods, the CNTs@DMIPs combined with MSPD technology established in our study can effectively solve false negative problems caused by insufficient destructive force, using dummy template molecules can also address the issue of false positives caused by template molecule leakage in molecular imprinting. Overall, the method is appropriate for the separation and detection of endogenous substances from highly viscous and poorly dispersed samples and is used as a routine detection tool in the aquaculture industry.
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