较佳工艺条件下,在水性体系中选用无皂乳液聚合法制得的单分散微米级聚苯乙烯微球为种球,分别以组氨酸、甲基丙烯酸(MAA)或丙烯酸胺(AM)、乙二醇二甲基丙烯酸酯(EDMA)为模板分子、功能单体和交联剂,合成了L组氨酸分子印迹聚合物微球.研究了形貌、粒径及其分布以及模板分子与功能单体之间的相互作用,分别以SEM、激光粒度分析仪紫外分光光度法和红外光谱表征功能单体与交联剂之间的共聚情况,通过静态吸附法分别测定其分离因子(α)和相对分离因子(β)来评价其吸附性能.结果表明,该法合成的分子印迹聚合物微球对底物具有较高的吸附选择性和较大的吸附容量.
参考文献
| [1] | Sellergren B;Shea K J .Influence of polymer morphology on the ability of imprinted network polymers to resolve enantiomers[J].Journal of Chromatography B:Analytical Technologies in the Biomedical and Life Sciences,1993,635(01):31. |
| [2] | 谢建春,骆宏鹏,朱丽荔,周力,李崇熙,徐筱杰.利用分子烙印技术分离中草药活性组分[J].物理化学学报,2001(07):582-585. |
| [3] | Luis J;Elena M .Flavonol fluorescent flow-through sensing based on a molecular imprinted polymer[J].Analytica Chimica Acta,2000,405(1-2):67. |
| [4] | Yamazaki T;Ohta S;Yanai Y et al.Molecular imprinting catalyst based artificial enzyme sensor for fructosylamines[J].Analytical Letters,2003,36(01):75. |
| [5] | Piletsky S A;Piletska E V;Bossi A S et al.Substitution of antibodies and receptors with molecularly imprinted polymer in enzyme-linked and fluorescent assays[J].Biosensors and Bioelectronics,2001,16(9-12):701. |
| [6] | Zhang T L;Liu F;Chen W et al.Influence of intramolecular hydrogen bond of templates on molecular recognition of molecularly imprinted polymers[J].Analytica Chimica Acta,2001,450:53. |
| [7] | Baggiani C;Giraudi G;Giovannoli C et al.Chromatographic characterization of molecularly imprinted polymers binding the herbicide 2,4,5-trichlorophenoxyacetic acid[J].Journal of Chromatography A,2000,883:119. |
| [8] | Lu Y;Li C X;Zhang H S et al.Study on the mechanism of chiral recognition with molecularly imprinted polymers[J].Analytica Chimica Acta,2003,489:33. |
| [9] | Cheng C M;Aanderhoff J W V;El-Aasser M S .Monodisperse porous polymer particles:Formation of the porous structure[J].Journal of Polymer Science Part A: Polymer Chemistry,1992,30(02):245. |
| [10] | Galia A;Svec F;Frechet J M J .Monodisperse polymer beads as packing material or high-performance liquid chromatography:Effect of divinylbenzene content on the porous and chromatographic properties of poly (styrene-co-divinylbenzene) beads prepared in presence of linear polystyrene as a porogen[J].Journal of Polymer Science Part A: Polymer Chemistry,1994,32(13):2169. |
| [11] | Oral E;Peppas N A .Dynamic studies of molecular imprinting polymerizations[J].Polymer,2004,45:6163. |
| [12] | Lubke C.;Whitcombe MJ.;Vulfson EN.;Lubke M. .Imprinted polymers prepared with stoichiometric template-monomer complexes: Efficient binding of ampicillin from aqueous solutions[J].Macromolecules,2000(14):5098-5105. |
| [13] | 郭洪声;贾裕梅;曹现峰 et al.Synthesis andits combination research of 4aminopyridine molecular template polymer microballoons(微球形4-氨基吡啶分子模板聚合物的合成和结合性质研究)[J].高等学校化学学报,2001,22(03):371. |
| [14] | Guo H S;He X W .Study of binding characteristics of molecular imprinted polymer selective for cefalexin in aqueous media[J].Fresenius'Journal of Analytical Chemistry,2000,368:461. |
| [15] | 李思平,徐伟箭.水相中色氨酸分子印迹聚合物微球的合成、表征及其识别性能研究[J].材料导报,2009(z2):124-128. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%