Thymus Extract, Calf

Biologicals / Biologicals-Tissues-Animal Organs

-20°C

Supplied as a lyophilized powder in 0.01M phosphate, 0.13M sodium chloride, 0.02% sodium azide. Reconstitute with 500ul ddH2O. Allow 30 min. for complete dissolution.

Calf Thymus Extract forms precipitins with autoantibodies that bind Sm, nRNP, La/SS-B, and Jo-1 when tested by immunodiffusion. Calf thymus is extracted in phosphate buffered saline. Insoluble material is removed. Extractable nuclear antigens are lyophilized.

Storage and Stability:
Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile dH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 12 months 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.