The purified (UNLB) antibody is supplied as 0.05 mg purified immunoglobulin in 0.1 mL of 100 mM borate buffered saline, pH 8.0; store at 2-8 degree C. HRP conjugate is supplied in 1.0 mL of stock solution in 50% glycerol/50% phosphate buffered saline, pH.7.4. No preservative added. Store at 2-8 degree C or long-term at -20 degree C. The biotin (BIOT) conjugate is supplied as 0.5 mg in 1.0 mL PBS/NaN3. Store at 2-8 degree C. Reagents are stable for the period shown on the label if stored as directed.