Mutations associated with occult hepatitis B virus infection result in decreased surface antigen expression in vitro

C M Martin, J A Welge, S D Rouster, M T Shata, K E Sherman, J T Blackard
J. Viral Hepat. Oct 12, 2012
… Supplemental Fig. 1b). Hepatitis B surface antigen was quantitated by ELISA (BioChain, Hayward, CA, USA) with recombinant HBsAg (adr subtype) standards from 500 to 0.25 ng/mL with a lower limit of detection of 0.5 ng/mL. The OD …

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