目的对人工合成的人广谱细胞生长因子基因进行体外表达与纯化，并测定其活性。
Objective to express the basic fibroblast growth factor (bFGF) gene in bacteria, to purify the product and to determine its activity.
目的获得纯化并具有生物学活性的人红细胞膜促衰变加速因子。
Objective To purify decay accelerating factor (DAF) with biological activity from human erythrocyte membrane.
本论文应用基因工程的手段克隆、表达并纯化了人的肝再生增强因子基因。
This dissertation USES the gene engineering method to clone, express and purifies the human ALR gene.
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