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聚二乙烯基苯微球介质制备及其在奥曲肽层析分离中的应用
Authors
宋翠
巩方玲
+8 more
张晨旭
张荣月
李强
苏志国
袁其朋
赵岚
马光辉
黄永东
Publication date
1 January 2015
Publisher
Abstract
以二乙烯基苯为单体,采用微孔膜乳化法制备了尺寸均一的水包油乳液,在75℃下悬浮聚合20 h,制得均一的聚二乙烯基苯微球填料,粒径为14.2 μm,粒径分布系数R_(span)=0.71,孔径为65 nm,比表面积为160 m~2/g. 通过高压匀浆法将合成的微球介质高效装填不锈钢液相色谱柱(φ4.6 mm×250 mm),使柱效达11000塔板数. 利用装填的色谱柱进行多肽药物奥曲肽的分离纯化,奥曲肽从固相合成粗品中快速有效分离,纯度由42.89%提高到99.99%
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Last time updated on 05/12/2019