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表面印迹制备牛血红蛋白分子印迹聚苯乙烯磁性纳米球 被引量:1

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摘要 本工作将磁性纳米材料与分子印迹技术结合,以牛血红蛋白为模板分子,3-氨基苯硼酸为功能单体和交联剂,Fe3O4磁性纳米粒子为核,采用表面分子印迹技术,制备具有多层核。壳结构的蛋白质分子印迹聚苯乙烯磁性纳米球.用扫描透射电镜、X射线衍射仪、热重分析仪、磁强振动计研究了制备的蛋白质分子印迹磁性纳米球的表面形貌、粒径大小、多层结构和磁性能.吸附结合实验表明,表面为聚3-氨基苯硼酸分子印迹膜的磁性纳米球对模板蛋白牛血红蛋白具有动力学吸附速度快,特异性吸附选择性高的优点,同时具有在外加磁场下快速分离的特性,可应用于蛋白质分子的选择性分离和富集目标蛋白.
出处 《中国科学(B辑)》 CSCD 北大核心 2009年第9期989-989,共1页 Science in China(Series B)
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