分析测试学报2011,Vol.30Issue(6):629-634,6.DOI:10.3969/j.issn.1004-4957.2001.06.007
烟酸分子印迹聚合物的制备及分子识别性能的研究
Preparation of Nicotinic Acid Imprinted Polymer and Its Molecular Recognition Property
摘要
Abstract
Molecularly imprinted polymers(MIPs) were synthesized by bulk polymerization and swelling polymerization using nicotinic acid(NA) as the imprinted molecule, 4-vinylpyridine(4-VP) as the functional monomer and ethyleneglycol dimethacrylate (EGDMA) as the cross-linker, initiated thermally with azobisisobutyronitrile (AIBN). The binding and selectivity of MIPs to NA and different substrates were evaluated by the static batch method. The adsorption amounts of MIP1 and MIP2 were 193.56 μmol/g and 215.35 μmol/g, respectively, which were obviously higher than those of their corresponding non-imprinted polymers, NIP1 and NIP2. The adsorption capacity of niacinamide on MIPs was the largest, followed by benzoic acid, benzyl alcohol and 3-pyridine methanol. The results indciated that the stereostructure of the substrate and the interactions between substrate and imprinting bites influenced the recognition property of MIPs.关键词
分子印迹聚合物/烟酸/识别机理/本体聚合/溶胀聚合Key words
molecularly imprinted polymers/ nicotinic acid/ mechanism of recognition/ bulk polymerization/ swelling polymerization分类
化学化工引用本文复制引用
李莉,陈粤冠,胡晓霞,卢瑶瑶,戴娇娇,朱全红..烟酸分子印迹聚合物的制备及分子识别性能的研究[J].分析测试学报,2011,30(6):629-634,6.基金项目
国家自然科学基金资助项目(30300445) (30300445)
广东省科技计划资助项目(2007B031406004) (2007B031406004)
广东省教育部产学研资助项目(2009B090300216) (2009B090300216)