Certificate of Analysis

 

Product Name: Recombinant Mouse IL-1β (E. coli)
Catalog Number: M11191

Physical and Chemical Properties
Solubility: Reconstitute the lyophilized powder in ddH2O or PBS up to 100 μg/ml.
Storage: Stable for up to 6 months at lower than -70°C. Upon reconstitution, the product should be stable for up to 1 week at 4°C or up to 3 months at -20°C.
Analytical Data
QC Standard: >95%, Endotoxin < 0.2 EU/μg
Product Information
Description: Interleukin-1 Beta (IL-1β) is a proinflammatory cytokine produced in a variety of cells including monocytes, tissue macrophages, keratinocytes and other epithelial cells. ED50 < 10.0 pg/ml, measured by the dose-dependent stimulation of mouse D10.G4.1 helper T cells, corresponding to a specific activity of 1.0 × 108 IU/mg.
   
Stability and Solubility Advice: Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide.
We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details.