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Stromal Cell Derived Factor 1 alpha, Recombinant, Human (SDF1a)
Stromal Cell Derived Factor 1 alpha, Recombinant, Human (SDF1a)
Pricing
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| Recombinant protein corresponding to 68aa from human Stromal Cell Derived Factor 1 alpha expressed in E. coli. | | | Catalog # | S7975-50B | | Biological Activity | ED50 Range= 5-15ng/ml determined by concentration dependent chemotaxis with human peripheral mononuclear cells culture with IL-2. | | Specific Activity | 2.0x10e5-6.7x10e4 units/mg | | Storage and Stability | Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile dH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. | | Molecular Weight | ~8kD | | Source | E. coli | | Purity | ~95% (SDS-PAGE, HPLC). Endotoxin: 0.1ng/ug | | Concentration | Not determined | | Form | Supplied as a lyophilized powder. Carrier free. Reconstitute with sterile dH2O to 0.1-1mg/ml. | | | Important Note | This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. |
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