采用羟基磷灰石(HAP)作为填料,以pH 6.8的磷酸盐缓冲液为流动相,用制备型高效液相色谱来分离提纯基因重组白细胞介素-2(IL-2),通过SDS-聚丙烯酰胺凝胶(SDS-PAGE)电泳测定IL-2的纯度,测定其活性为1×106 U/mg.该法对IL-2的纯化、含量测定及活性测定等效果良好.
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