The purified (UNLB) antibody is supplied as 0.1mg purified immunoglobulin in 0.2mL of 100 mM borate buffered saline, pH 8.0; store at 2-8 degree C. The fluorescein (FITC) conjugate is supplied as 0.1mg in 0.2mL of PBS/NaN3. Store at 2- 8 degree C. Reagents are stable for the period shown on the label if stored as directed.