清液

The culture supernatant of tumor cell lines was not cytoxic.

白血病细胞培养上清液无细胞毒作用。

Ln in AT culture medium was determined by radioimmunoassay ( RIA ) .

用放射免疫测定法测AT培养上清液中 Ln 的含量。

You centrifuge the solution, decant the supernatant, and discard the pellet.

你然后对溶液离心， 慢慢倒出上清，弃沉淀。对上清液你加更多的硫酸铵。

The EGFP - GST solution after purification show bright kelly.

菌体超声裂解后上清液及其纯化产物在长波紫外线的照射下，发出明亮的绿色荧光。

Transfer the supernatant into a spin ( QIAprep ) column.

将上清液换至（ Qiaprep ） 离心管柱。