Biological Activity：Measure by its ability to induce apoptosis in HeLa cells. The ED50 for this effect is <15 ng/mL. Measure by its ability to induce cytotoxicity in TF-1 cells.The ED50 for this effect is <0.1 ng/mL. The specific activity of recombinant human IFN beta 1a is approximately >1 x107 IU/mg.

SDS-PAGE analysis of recombinant human IFN beta 1a?

Note：重懸液進一步稀釋分裝時，須添加一定量的載體蛋白（0.1%BSA、10%FBS或5%HSA），無血清實驗需求時，可更換為5%海藻糖溶液作為載體.

Research Use Only Product (RUO) / Not for Diagnosis or Therapeutic Use ！