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A molecularly imprinted polymer for the efficient adsorption of morphine
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2023-11-09 , DOI: 10.1002/app.54893
Chenfeng Ku 1 , Youhong Zhang 1, 2 , Guohong Zhou 3 , Kean Wang 4
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2023-11-09 , DOI: 10.1002/app.54893
Chenfeng Ku 1 , Youhong Zhang 1, 2 , Guohong Zhou 3 , Kean Wang 4
Affiliation
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Molecularly imprinted polymers (MIPs) were synthesized via the precipitation polymerization technology for the specific adsorption of morphine. A number of polymers (methacrylic acid, trifluoromethyl acrylic acid, and acrylamide) were studied, respectively, as the precursor monomers under various synthetic conditions (the imprinting (IP) ratio, cross-linking (CL) ratio, solvent ratio, reaction temperature, etc.). The MIP with optimal performance was derived using methacrylic acid (MAA) as the functional monomer, ethylene glycol dimethacrylate (EGDMA) as the crosslinker, and azobisisobutyronitrile (AIBN) as the initiator, with an IP ratio of 1:3 and a CL ratio of 5:1. This MIP presented a maximum morphine adsorption capacity of 38.24 mg/g (one of the highest capacities ever reported in the literature) at a bulk morphine concentration of ~230 ppm in acetonitrile solution. The adsorption capacity, selectivity, reusability, as well as the chemical and mechanical stabilities of the MIP were confirmed by the adsorption experiments, instrumental characterization, thermodynamic analysis, as well as the proposed mechanisms.
中文翻译：
用于有效吸附吗啡的分子印迹聚合物
通过沉淀聚合技术合成了用于吗啡特异性吸附的分子印迹聚合物（MIP）。分别研究了多种聚合物（甲基丙烯酸、三氟甲基丙烯酸和丙烯酰胺）作为前体单体在不同合成条件（印迹（IP）比例、交联（CL）比例、溶剂比例、反应温度、 ETC。）。以甲基丙烯酸（MAA）为功能单体，乙二醇二甲基丙烯酸酯（EGDMA）为交联剂，偶氮二异丁腈（AIBN）为引发剂，IP配比为1:3，CL配比为5:1。在乙腈溶液中吗啡浓度约为 230 ppm 时，该 MIP 的最大吗啡吸附容量为 38.24 mg/g（文献报道的最高容量之一）。通过吸附实验、仪器表征、热力学分析以及所提出的机理，证实了 MIP 的吸附容量、选择性、可重复使用性以及化学和机械稳定性。
更新日期：2023-11-09
中文翻译：
用于有效吸附吗啡的分子印迹聚合物
通过沉淀聚合技术合成了用于吗啡特异性吸附的分子印迹聚合物（MIP）。分别研究了多种聚合物（甲基丙烯酸、三氟甲基丙烯酸和丙烯酰胺）作为前体单体在不同合成条件（印迹（IP）比例、交联（CL）比例、溶剂比例、反应温度、 ETC。）。以甲基丙烯酸（MAA）为功能单体，乙二醇二甲基丙烯酸酯（EGDMA）为交联剂，偶氮二异丁腈（AIBN）为引发剂，IP配比为1:3，CL配比为5:1。在乙腈溶液中吗啡浓度约为 230 ppm 时，该 MIP 的最大吗啡吸附容量为 38.24 mg/g（文献报道的最高容量之一）。通过吸附实验、仪器表征、热力学分析以及所提出的机理，证实了 MIP 的吸附容量、选择性、可重复使用性以及化学和机械稳定性。
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