Determined by its ability to chemoattract human peripheral blood neutrophils using a concentration range of 50-150 ng/ml, corresponding to a Specific Activity of 6,667-20,000 IU/mg.
Purity
>97% as determined by SDS-PAGE.
Product Form
Lyophilized
Concentration
Reconstitution dependent.
Formulation
Lyophilized from Phosphate Buffered Saline, pH 7.4.
Reconstitution
Reconstitute with 18 MO-cm water, to no less than 0.1 mg/ml, which can then be further diluted to other aqueous solutions.
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. Avoid freeze/thaw cycles.