Name Hepatitis B surface Antigen (HBsAg-Ad)
What is HBsAg-Ad HBsAg is the serologic hallmark of Hepatitis B Virus (HBV) infection that appears after acute inflammation. It has two determinants; Ad and Ay and two subtype determinants; w and r, and are classified into four major subtypes: adw, adr, ayw and ayr. Having chronic hepatitis B increases the risk of developing liver failure, liver cancer or cirrhosis. At YBL, formulation of HBsAg-Ad (high pure) is performed with and without sucrose.
What is it used for It is used in detection of Hepatitis infection or any other liver ailments.
Source Human Blood
Purity High pure (SDS-PAGE and Activity/TP ratio)
Testing method ELISA
Stability 4 years (Real time)
Storage 2-8 °C
Molecular weight ~ 23-27 KDa
Viral testing Negative for Anti-HCV and Anti-HIV I & II using CLIA (US-FDA approved) and for absence of viral DNA/RNA for HIV and HCV using PCR.

YBL Native HBsAg-Ad salient features

  • Purity percentage: >99% purity for HBsAg-Ad (high pure) was observed and purity profile was checked using SDS-PAGE and Activity/TP ratio.
  • Stability data: HBsAg-Ad is stable for 3 years at 2-8°C based on the real time stability study.
  • Testing Method: ECLIA
  • Testing Platform: BIO-RAD
  • Viral testing: The viral marker test for Anti-HCV and Anti-HIV (I and II) was done using CLIA (US-FDA Approved). The antigen was also tested for the absence of viral DNA/RNA for HIV (I) and HCV using PCR technology.

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