纯度规格:The Stem Cell Factor (SCF) Protein, Recombinant human, is a hematopoietic growth factor that exerts its activity at the early stages of hematopoiesis.
纯度规格:Tumor Necrosis Factor-alpha (TNF-alpha) is a potent lymphoid factor that exerts cytotoxic effects on a wide range of tumor cells & certain other target cells.