• A kind of hepatocyte growth factor was purified from cow placenta through high speed centrifugation, salting out, affinity chromatography, ultrafiltration and anion exchange chromatography.

    高速离心、分段盐析亲和、超阴离子交换层析法,胎盘中分离纯化出肝细胞生长因子

    youdao

  • SEC2 was separated and purified successively by ultrafiltration, salting out with ammonium sulfate, ion - exchange chromatography and molecular exclusion chromatography.

    发酵液超滤浓缩硫酸铵沉淀、阴离子交换色谱分子筛色谱,获得了纯度为90%的SEC2,总收率23%。

    youdao

  • SEC2 was separated and purified successively by ultrafiltration, salting out with ammonium sulfate, ion - exchange chromatography and molecular exclusion chromatography.

    发酵液超滤浓缩硫酸铵沉淀、阴离子交换色谱分子筛色谱,获得了纯度为90%的SEC2,总收率23%。

    youdao

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