ED50: 2 ng/ml, as determined by the dose-dependent induction of IL-6 in Hs68 cell line, is approximately 2 ng/ml corresponding to a Specific Activity of 500,000 IU/mg.
Purity
>95% as determined by SDS-PAGE.
Product Form
Lyophilized
Concentration
Reconstitution dependent.
Formulation
Lyophilized from 20 mM Sodium Citrate Buffer, pH 4.5, with 100 mM Sodium Chloride.
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.
