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You are here:Home » Molecular Biology » MB-Growth Factors-Interleukin » Interleukin 13, Recombinant, Human (IL-13)

Interleukin 13, Recombinant, Human (IL-13)


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Catalog #I8435-10A
SourceRecombinant corresponding to human Interleukin 13 expressed in E. coli.
Molecular Weight~17kD
Endotoxin ~0.1ng/ug
Biological ActivityED50 range =2.0-6.0ng/ml, determined by the dose dependent proliferation of human TF-1 cells. The optimal concentration for each specific application should be determined by an initial dose response assay.
Storage and StabilityLyophilized powder may be stored at -70°C. Reconstitute to nominal volume by adding ddH2O . Aliquot and store at -20°C. Reconstituted product is stable for 12 months at -70°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 Weight17kD
SourceE. coli
Purity~95% (SDS-PAGE)
ConcentrationNot determined
FormSupplied as a lyophilized powder. Reconstitute in sterile,ddH2O to 0.1-1mg/ml. Further dilutions should be made in low endotoxin medium or buffered solution with FBS or tissue culture grade BSA.
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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