IFN-betas are proteins produced by many cell types including lymphocytes (NK cells, B-cells and T-cells), macrophages, fibroblasts, endothelial cells, osteoblasts and others.
Purity:
> 97 % by SDS-PAGE and HPLC analyses.Endotoxin: Less than 1 EU/µg of rHuIFN-beta1b as determined by LAL method.
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