Analysis Note

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%

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

General description

Product Source: cDNA obtained from human leukocyte mRNA expressed in E. coli.

Purified Recombinant Human Interferon Alpha A (Hu-IFN-alphaA; Hu-IFN-alpha2a). Human Gene: IFNA2

Legal Information

CHEMICON is a registered trademark of Merck KGaA, Darmstadt, Germany

Physical form

Frozen, in PBS containing 0.1% bovine serum albumin (BSA).

Storage and Stability

After receipt, this product should be kept at -70°C or below for retention of full activity. When thawing, the contents of the tube should be apportioned in separate tubes so that freezing and thawing is kept to a minimum. Dilute only in buffers containing protein such as 0.1% bovine serum albumin (BSA).

Unit Definition

Specific Activity: The units are determined with respect to the international reference standard for human interferon alpha A (Hu-IFN-alphaA) provided by the National Institutes of Health.Unit of activity measured on bovine MDBK cells challenged with vesicular stomatitis virus (VSV).