ion-exchange purification

基本解释

Methods A combination of euglobulin precipitation, ion-exchange chromatography, (NH4)2SO4 precipitation and affinity chromatography was used in the process of purification.
方法采用优球蛋白沉淀、离子交换色谱、（NH4）2SO4沉淀和亲和色谱法进行纯化。
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The fermentation liquor was purified through salting out, dialysis, gel chromatography and ion-exchange chromatography, and 7.8-fold purification was attained with 25.2% recovery.
发酵液经盐析、透析、凝胶层析和离子交换层析等分离纯化过程，最终纯化倍数达7.8，收率为25.2%。
The purity of fusion protein was about 70% after ultrasonic decomposition and washing repeatedly, and reached above 95 % after purification by ion exchange and gel-filtration chromatography.
菌体经过超声破碎后反复洗涤包涵体，融合蛋白纯度达到70％，进一步用离子交换层析和凝胶过滤层析纯化使其纯度达95％以上。