Source:Recombinant corresponding to porcine Interleukin 4, expressed in E. coli.
Endotoxin:≤ 0.1ng/ug
Activity:ED50 < 10ng/ml as determined by the dose dependent stimulation of the proliferation of human TF-1 cells. A concentration range of 0.1-10ng/ml is effective for most in vitro applications.
Storage and Stability:Lyophilized 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.
仕様
Size：10ug
Source Antigen：Recombinant, E. coli
Grade：Highly Purified
Purity：~95% (SDS-PAGE); Purified by sequential chromatography. Endotoxin: ≤0.1ng/ug
Form：Supplied as a lyophilized powder, BSA free. Reconstitute with sterile ddH2O to 0.1-1mg/ml.
