The CD28 Antibody, Rabbit PAb, Antigen Affinity Purified from Sino Biological, Inc. is a Rabbit Polyclonal antibody. This antibody recognizes Mouse antigen. The CD28 Antibody, Rabbit PAb, Antigen Affinity Purified has been shown to work in the following applications: EIA, Immunoassay, ELISA, Immunohistochemistry, and Immunohistochemistry - fixed.