Fully biologically active when compared to standard. The ED50 as determined by thymidine uptake assay using FGF-receptors transfected BaF3 cells is less than 10 ng/ml, corresponding to a specific activity of > 1.0 × 105 IU/mg.
外观
无菌过滤白色冻干粉末。
纯度
> 96%,SDA-PAGE和 HPLC 检测
内毒素
<1.0 EU/μg
制剂
Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, 0.5 M NaCl, pH 8.0.