For staining, use 10µl/1,000,000 cells. Titer for blocking and activating T cells should be determined by the investigator. Mouse IgG2a. Purified human PBL T cells. Ion exchange column.This antibody is also available conjugated to biotin and FITC. 1mg/ml in PBS (after reconstitution). Reconstitute with of H2O. Mix gently, wash the sides of the vial and wait 30-60 seconds before use. Mouse Anti Human Monoclonal.