Preparation of metallic pivot-based imprinted monoliths with a hydrophilic macromonomer
Li, XY (Li, Xiu-Yuan)1; Ma, L (Ma, Li)1; Huang, YP (Huang, Yan-Ping)1; Liu, ZS (Liu, Zhao-Sheng)1; Aisa, HA (Aisa, Haji Akber)1
2015
发表期刊RSC ADVANCES
卷号5期号:46页码:36753-36761
摘要A new metallic pivot-based molecularly imprinted polymer (MIP) was developed to enhance the imprinting effect of a water-soluble template. The hydrophilic macromonomer oligo(ethyleneglycol) methyl ether methacrylate (OEG), bearing a small oligoethylene glycol side chain, was introduced into the MIP matrix in order to achieve good selectivity and less hydrophobic character. In a ternary porogenic system of dimethyl sulfoxide-dimethylformamide-1-butyl-3-methylimidazolium tetrafluoroborate, an imprinted monolithic column with high porosity and good permeability was synthesized using a mixture of gallic acid (template), 4-vinylpyridine (4-VP), ethylene glycol dimethacrylate, and nickel acetate. The effects of some polymerization variables, such as the ratio of OEG/4-VP and the ratio of template to nickel ions, on the imprinting of the resulting MIP monoliths were systematically investigated. The greatest imprinting factor of 11.53 was achieved on the water compatible MIP monolith with optimized polymerization parameters. In addition, Freundlich analyses indicated that the Ni2+-mediated OEG MIP had homogeneous affinity with a heterogeneity index of 0.87, compared with the Ni2+-mediated OEG-free MIP (0.65) and Ni2+-free OEG MIP (0.67).
DOI10.1039/c5ra02699g
收录类别SCI
WOS记录号WOS:000353651200062
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/4994
专题省部共建新疆特有药用资源利用重点实验室
作者单位1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Key Lab Plant Resources & Chem Arid Zone, Urumqi 830011, Xinjiang, Peoples R China
2.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, State Key Lab Basis Xinjiang Indigenous Med Plant, Urumqi 830011, Peoples R China
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Li, XY ,Ma, L ,Huang, YP ,et al. Preparation of metallic pivot-based imprinted monoliths with a hydrophilic macromonomer[J]. RSC ADVANCES,2015,5(46):36753-36761.
APA Li, XY ,Ma, L ,Huang, YP ,Liu, ZS ,&Aisa, HA .(2015).Preparation of metallic pivot-based imprinted monoliths with a hydrophilic macromonomer.RSC ADVANCES,5(46),36753-36761.
MLA Li, XY ,et al."Preparation of metallic pivot-based imprinted monoliths with a hydrophilic macromonomer".RSC ADVANCES 5.46(2015):36753-36761.
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