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You are here:Home » Growth Factors, Cytokines » Growth Factors-Interleukin » Interleukin 4, Recombinant, Porcine (IL-4, B Cell Stimulatory Factor 1, BSF1, Binetrakin, HCGF, Hodgkin's Cell Growth Factor, IA Inducing Factor, Lymphocyte Stimulatory Factor 1, Macrophage Fusion Factor, Mast Cell Growth Factor 2, MCGF2, MFF, MGC79402, P

Interleukin 4, Recombinant, Porcine (IL-4, B Cell Stimulatory Factor 1, BSF1, Binetrakin,
HCGF, Hodgkin's Cell Growth Factor, IA Inducing Factor, Lymphocyte Stimulatory Factor 1,
Macrophage Fusion Factor, Mast Cell Growth Factor 2, MCGF2, MFF, MGC79402, P

Pricing

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Specifications

Catalog #I8426-42C
SourceRecombinant corresponding to porcine Interleukin 4, expressed in E. coli.
Endotoxin 0.1ng/ug
ActivityED50 < 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 StabilityLyophilized 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.
Molecular Weight~12.5kD
SourceE. coli
Purity~95% (SDS-PAGE); Purified by sequential chromatography. Endotoxin: 0.1ng/ug
ConcentrationNot determined
FormSupplied as a lyophilized powder, BSA free. Reconstitute with sterile ddH2O to 0.1-1mg/ml.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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