离子交换层析法(Ion Exchange Chromatography简称为IEC)是以离子交换剂为固定相,依据流动相中的组分离子与交换剂上的平衡离子进行可逆交换时的结合力大小的差别而进行分离的一种层析方法。常用的离子交换剂有:离子交换纤维素、离子交换葡聚糖和离子交换树脂。
3.离子交换层析法(Ion exchange chromatography):以离子交换剂为介质,吸附带相反电荷的高分子物质,由于高分子物质的电荷量,等电点不同,用不同离子强度或pH值的洗脱液能置换...
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采用硫酸铵沉淀法和阴离子交换层析法从鸡蛋清内提取高纯度卵铁传递蛋白。
High purity ovotransferrin was extracted from albumen by precipitation with ammonium sulfate and ion exchange chromatography in the study.
抗菌肽的分离应用离子交换层析法将抗菌肽初步分离成两部分即阴离子组分和阳离子组分。
Isolation of the crude extract the crude extract were isolated into two parts, the negative-charged and the positive-charged, by means of Ion-exchange chromatography.
用高速离心、分段盐析、亲和层析、超滤和阴离子交换层析法,从牛胎盘中分离纯化出一种肝细胞生长因子。
A kind of hepatocyte growth factor was purified from cow placenta through high speed centrifugation, salting out, affinity chromatography, ultrafiltration and anion exchange chromatography.
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