鸭胆汁中高纯度分泌型免疫球蛋白A制备
Journal of Dali University(2009)
Abstract
目的:从鸭胆汁中分离纯化分泌型免疫球蛋白A(SIgA)。方法:采用饱和硫酸铵和不同浓度聚乙二醇PEG-6000沉淀法和Micro-Prep S离子交换法从鸭胆汁中提取SIgA。SIgA的纯度和活性经SDS-PAGE和ELISA法检测并进行比较。结果:建立了从鸭胆汁中分离纯化高纯度SIgA的方法。结论:用终浓度15%的PEG-6000沉淀法可从鸭胆汁中获得电泳纯的SIgA,其产量最高,活性最好。
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Key words
Macro-Prep S,ammonium sulfate,PEG,SIgA
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