Sterile Filtered White lyophilized (freeze-dried) powder.
The IFN-a 2b was lyophilized from 1mg/ml in 1xPBS.
It is recommended to reconstitute the lyophilized IFN-a 2b in sterile water not less than 100
Lyophilized IFN-a 2b althoµgh stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IFN-a 2b should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
Greater than 95% as obsereved by SDS-PAGE.
The specific activity was determined by the dose-dependent cytotoxicity of the human TF-1 cell line (human erythroleukemic indicator cell line) and is typically 0.02-0.08ng/ml.
NeoScientifics products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drµgs, agricultural or pesticidal products, food additives or household chemicals.