The Complement Factor I Antibody from Thermo Fisher Scientific is a Rabbit Polyclonal antibody to CFI, and Complement factor I. This antibody recognizes Homo Sapiens, and Human antigen. The Complement Factor I Antibody has been shown to work in the following applications: EIA, Immunoassay, ELISA, Immunohistochemistry, Immunohistochemistry - fixed, and Western Blot.