ultracentrifugation

Methods The cell-free system was prepared by ultracentrifugation of Xenopus eggs and activated by cytochrome C.

方法超速离制非洲爪蟾卵无细胞体系,用细胞色素C激活为凋亡体系。

We separated the subfractions of LDL by precipitating method and density gradient ultracentrifugation, and identified the subfraction by electronphoresis and electron microscope.

通过沉淀法离LDL,然后经过超速离法离其亚组。