MyBioSource.com's Mouse Anti-Human CD81 Monoclonal Antibody, Azide Free Clone TS81 is a Mouse monoclonal antibody. The Mouse Anti-Human CD81 Monoclonal Antibody, Azide Free Clone TS81 was generated using CD81, and TSPAN28 as the antigen. It reacts with Human. This antibody has been shown to work in applications such as: Flow Cytometry, Immunoprecipitation, and Western Blot.