Specific Activity: Determined by assaying inhibition of virus-induced cytopathic effect.In this antiviral assay for interferon, about 1 unit/ml of interferon is the quantity necessary to produce a cytopathic effect of 50%
General description
Purified Recombinant Mouse Interferon β (IFNbeta)
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Unit Definition
Specific Activity: The units are determined with respect to the international reference standard for mouse interferon beta (IFNbeta) provided by the National Institutes of Health.Unit of activity measured on mouse L929 cells with encephalomyocarditis virus (EMCV).