Vergleich

Recombinant Human TNF-alpha, Endotoxin Free

ArtNr CS-CRT168B
Hersteller Cell Sciences
Menge 50 ug
Kategorie
Typ Proteins
Specific against Human (Homo sapiens)
Purity >98% by SDS-PAGE. Purified product carries no pyrogenic or pro-inflammatory contaminants, as assayed with monocyte activation test using custom human Multiplex Cytokine Assay measuring IL-6, TNF-alpha and IL-1beta induction.
ECLASS 10.1 32160409
ECLASS 11.0 32160409
UNSPSC 12352202
Similar products TNF-alpha, TNF, TNF-a, TNFA, TNFSF2, member 2, tumor necrosis factor, TNF superfamily, DADB-70P7.1, DIF, APC1 protein, macrophage-derived, monocyte-derived, cachectin, tumor necrosis factor alpha, tumor necrosis factor ligand superfamily member 2
Lieferbar
Manufacturer - Category
Biomolecules
Storage Conditions
The lyophilized protein, though stable at room temperature for two weeks, is best stored at -20C. Reconstituted protein should be used immediately or stored in working aliquots at -20C. Avoid repeated freeze-thaw cycles .
Molecular Weight
Projected MW = 19.6 kDa. The recombinant protein migrates as two bands with an apparent MW = 21 and 23 kDa in SDS-PAGE.
Description
Recombinant human TNF-alpha protein contains 158 amino acid residues and a 16 aa His-tag. Total length is 174 aa.
Formulation
Lyophilized from a 0.2 um sterile filtered solution of PBS, pH 7.2.
Reconstitution
Centrifuge vial prior to opening . First add sterile distilled water to the vial to fully solubilize the protein to a concentration not less than 100 ug/ml. After complete solubilization of the protein, it can be further diluted to other aqueous solutions.
Biological Activity
The ED50 is determined by the Cytotoxicity Assay for the human- TNF- alpha for dose-dependent cytolytic effects of serial dilutions of h-TNF-alpha on the fibrosarcoma L-929 cells. The ED50 for a typical batch of recombinant human TNF-alpha is 40 ng/ml.
Endotoxin Level
< 0.005 ng per ug of product (0.05 EU/ug) as measured by turbidimetric kinetic assay.

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Alle Produkte sind nur für Forschungszwecke bestimmt. Nicht für den menschlichen, tierärztlichen oder therapeutischen Gebrauch.

Menge: 50 ug
Lieferbar: In stock
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