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Tumor Necrosis Factor beta, Recombinant, Human (TNFb)
Tumor Necrosis Factor beta, Recombinant, Human (TNFb)
Pricing
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| Tumor necrosis factor beta (TNFbeta) is a lymphoid factor which exerts cytotoxic effects on a wide range of tumor cells. | | | Catalog # | T9160-41B | | Source | Recombinant corresponding to human TNF beta, expressed in E. coli. | | Molecular Weight | ~18.6kD (172aa sequence) | | Activity | ~2x107units/mg | | Endotoxin | 0.1ng/ug of TNF-beta ( 1EU/ug) | | Applications | Suitable for use in Cytotoxicity Assays. Other applications not tested. | | Recommended Dilution | Cytotoxic Assays: 0.05-10ng/ml | | Optimal dilutions to be determined by the researcher. | | Storage and Stability | Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with 20ul sterile dH2O. Aliquot and store at -20°C. Reconstituted product is stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer. | | Molecular Weight | ~18kD | | Source | E. coli | | Purity | Purified: ~98% (SDS PAGE, HPLC). | | Form | Supplied as a lyophilized powder from PBS. No preservative added. Reconstitute with 20ul sterile dH2O. | | | 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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