Purified antibody is available at a concentration of 1mg/ml in citrate-tris-Hcl buffer pH7.0, with 0.02%Proclin 300 as a preservative. The antibody may be stored at -20 degreeree C for one year in its original formulation. Additionally, antibody may be stored at 2 degreeree to 8 degreeree C for up to 1 month without detectable loss of activity. Avoid repeated freeze-thaw cycles of the diluted antibody