The purified (UNLB) antibody is supplied as 0.1 mg purified immunoglobulin in 1.0 mL of 100 mM borate buffered saline, pH 8.2; store at 2-8 degree C. The fluorescein (FITC) conjugate is supplied as 0.1 mg in 0.2 mL PBS/NaN3. Store at 2-8 degree C. The horseradish peroxidase (HRP) conjugate is supplied as 1.0 mL of stock solution in 50% glycerol/50% PBS, pH 7.4. No preservative added. Store at 2-8 degree C or long-term at -20.