Supplied as a lyophilized powder from 10mM Tris pH 8.0 and 25mM sodium chloride. Reconstitute with sterile 5mM sodium citrate, pH 2.8, to a concentration of 0.1-1mg/ml. Slow to dissolve. Do not vortex.
保存建議
Lyophilized powder may be stored at -20 degree C. Reconstitute with sterile 5mM sodium citrate, pH 2.8. For extended storage, add carrier protein (e.g., 0.1% BSA). Aliquot and store at -20 degree C. Reconstituted product is stable for 3 months at -20 degree 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.