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Categories: Peptides & Proteins / Proteins

Product name			Hepatitis B Surface Antigen, Recombinant (HBsAg)
Catalog No			USB-H1909-08Z3
Supplier’s Catalog No			H1909-08Z3
Supplier			US Biologicals
Source antigen			Recombinant, CHO cells
Reactivity
Cross reactivity
Applications
Molecular weight

Storage			-70°C
Other names
Grade			Highly Purified
Purity			≥ 95% pure by column chromatography and CsCl density sedimentation.
Form			Supplied as a liquid in 10mM Tris-HCl, pH 7.5.
Reactivity life			6 months
Note			For reserch purpose only
Purity			≥ 95% pure by column chromatography and CsCl density sedimentation.
Description			The HBsAg is produced by genetically engineered CHO cells. The antigen contains the preS2 region of strain adw. The hepatitis B virus is an important cause of acute and chronic liver disease. It is also the most common form of parenterally transmitted viral hepatitis. The virus is estimated to affect some 350 million people worldwide. Immunization against hepatitis B is an important component of preventative medicine and is offered to all children in approximately 30 countries. Hepatitis B virus (HBV) belongs to the Hepadnaviridae family and infection with HBV is usually more serious than infection with hepatitis A virus. In some individuals the infection is not cleared and followed by persistent intracellular viral carriage that can lead to the development of hepatocelular carcinomas. There are currently 400 million HBV carriers worldwide making HBV one of the most common human pathogens. Storage and Stability: Aliquot to avoid repeated freezing and thawing and store at -70°C. Aliquots are stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.