ED50: 0.4 ng/ml, as determined by the dose-dependant induction of IL-6 production in cultured mouse NIH 3T3 fibroblasts, corresponding to a specific activity of 2,500,000 U/mg.
Purity
>98% as determined by RP-HPLC and SDS-PAGE.
Product Form
Lyophilized
Concentration
1 mg/ml
Formulation
Lyophilized without additives.
Storage
Shipped at ambient temperature. Lyophilized: Short term (3 weeks) store at 25°C. Long term store desiccated below -18°C. Reconstituted: Short term (2-7 days) store at 4°C. Long term store below -18°C, it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid freeze/thaw cycles.
