World's first kit for determining HBV Pre-S2 antigenBeacle has been a leader in devloping original hepatitis B virus-related products for over 10 years.The Pre-S2 region of surface antigen of HBV is known to play an important role in the infection mechanism of human hepatocytes, but the exact role is yet unknown. Beacle has commercialized the world's first kit that enables researchers to quantitatively detect the Pre-S2 antigen with high sensitivity. The kit can be used to determine Pre-S2 antigen in human serum.Quantitative detemination of HBV Pre-S1 antigenHuman serum sample can be usedHigh sensitivity (0.2-10 nUnit/ml)High specificity