产品介绍
PBL Assay Science
11105-1
Human IFN Alpha 2 (Alpha 2b)
1 x 105 units
19.3 kDa
Human leukocyte interferon alpha 2b cDNA expressed in E.coli
> 95% by SDS-PAGE stained by Coomassie Blue
Measured using a cytopathic inhibition assay on Bovine Kidney Cells (MDBK) with Vesicular Stomatis Virus (VSV); human lung carcinoma cell line A549 with encephalomyocarditis virus (EMCV)
Phosphate buffered saline (PBS) containing 0.1% bovine serum albumin (BSA)
< 1 EU/μg
> 95%
A combination of ion exchange, hydrophobic interaction and size exclusion chromatography
For retention of full activity store at -70 ºC or below and avoid repeated freeze-thaw cycles
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