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You are here:Home » Molecular Biology » MB-Growth Factors-Interleukin » Interleukin 18, Recombinant, Rat (IL-18, IFN-gamma inducing factor, IGIF)

Interleukin 18, Recombinant, Rat (IL-18, IFN-gamma inducing factor, IGIF)


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Catalog #I8439-95R
SourceRecombinant corresponding to rat IL-18 expressed in E. coli.
Molecular Weight~18kD
ActivityED50 range =3-10ng/ml, determined by the dose dependent secretion of interferon-gamma by activated mouse splenocytes. The optimal concentration for each specific application should be determined by an initial dose-response assay.
Endotoxin ~0.1ng/ug
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile ddH2O. 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. Further dilutions can be made in assay buffer.
Molecular Weight~18kD
SourceE. coli
Purity~95% (SDS-PAGE)
ConcentrationNot determined
FormSupplied as a lyophilized powder. BSA free. Reconstitute with sterile ddH2O to 0.1-1mg/ml.
Important NoteThis 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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