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中文摘要: 用原子转移自由基聚合(ATRP)法合成了结构可控的三嵌段共聚物聚(4-乙烯基吡啶)-b-聚环氧乙烷-b-聚(4-乙烯基吡啶)(P4VP-b-PEO-b-P4VP)。用核磁共振氢谱和凝胶渗透色谱对该共聚物进行了表征;将该共聚物作为毛细管物理吸附涂层,用毛细管电泳对碱性混合蛋白质进行了分离。结果表明:蛋白质的分离效率随着P4VP嵌段长度的增加而提高。
中文关键词: 毛细管涂层 三嵌段聚合物 聚(4-乙烯基吡啶) 聚环氧乙烷 蛋白质分离
Abstract:A well defined triblock copolymer, poly(4-vinylpyridine)bpoly(ethylene oxide)-b-poly(4-vinylpyridine) (P4VP-b-PEO-b-P4VP), was synthesized by atom transfer radical polymerization (ATRP), and characterized by 1H-NMR and gel permeation chromatography. P4VP-b-PEO-b-P4VP was successfully used as physical coating in the capillary for alkaline protein separation by capillary electrophoresis (CE). P4VP-b-PEO-b-P4VP with higher molecular mass of P4VP block achieved higher separation efficiency of the three alkaline proteins.
keywords: capillary coating triblock copolymer poly(4-vinylpyridine) poly(ethylene oxide) protein separation
文章编号: 中图分类号: 文献标志码:
基金项目:国家自然科学基金项目(50773074)
作者 | 单位 | |
朱小玺 | 中国科学技术大学高分子科学与工程系,合肥 230026 | zhuxx@mail.ustc.edu.cn |
王延梅 | 中国科学技术大学高分子科学与工程系,合肥 230027 | wangyanm@ustc.edu.cn |
引用本文:
朱小玺,王延梅.聚(4-乙烯基吡啶)-b-聚环氧乙烷-b-聚(4-乙烯基吡啶)的合成及其用于毛细管电泳分离碱性蛋白质[J].功能高分子学报,2011,24(1):.
ZHU Xiao-xi,WANG Yan-mei.Synthesis of Poly(4-vinylpyridine)-b-Poly(ethylene oxide)-b-Poly(4-vinylpyridine) and Its Application for Separation of AlkalineProtei by Capillary Electrophoresis[J].Journal of Functional Polymers,2011,24(1):.
朱小玺,王延梅.聚(4-乙烯基吡啶)-b-聚环氧乙烷-b-聚(4-乙烯基吡啶)的合成及其用于毛细管电泳分离碱性蛋白质[J].功能高分子学报,2011,24(1):.
ZHU Xiao-xi,WANG Yan-mei.Synthesis of Poly(4-vinylpyridine)-b-Poly(ethylene oxide)-b-Poly(4-vinylpyridine) and Its Application for Separation of AlkalineProtei by Capillary Electrophoresis[J].Journal of Functional Polymers,2011,24(1):.