The expressed protein was purified by one-step affinity chromatography, and its ability of binding plasmid was investigated via gel retardation experiments.
表达产物用亲和层析一步法进行纯化，然后用凝胶阻滞试验观察重组蛋白结合质粒的能力。
Purpose to establish the preparation procedure of human prothrombin complex concentrate (PCC) by using two-step gel chromatography to obtain high purity and high security product.
目的应用两步凝胶色谱法制备高纯度、高安全性的人凝血酶原复合物(PCC)制剂。
Components of saturated alkanes in different crude oils were analyzed by gas chromatography using SE-54 chemically bonded phase capillary column and two step programmed temperature.
采用SE - 5 4化学键合毛细管柱二阶程序升温，用气相色谱法分析了不同原油中饱和烷烃含量及组成。
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