The Rabbit Anti-HBsAg (subtypes ad & ay) Polyclonal antibody from Creative Diagnostics is a Rabbit Polyclonal antibody. This antibody recognizes Virus antigen. The Rabbit Anti-HBsAg (subtypes ad & ay) Polyclonal antibody has been shown to work in the following applications: EIA, Immunoassay, ELISA, Immunohistochemistry, Immunohistochemistry - fixed, and Immunohistochemistry - frozen.