The Chicken Anti-Complement C4b Polyclonal IgY Antibody from Creative Biolabs is a Chicken/Bird Polyclonal antibody to BDNF, Brain Derived Neurotrophic Factor, and C4B. This antibody recognizes Human antigen. The Chicken Anti-Complement C4b Polyclonal IgY Antibody has been validated for the following applications: EIA, Immunoassay, ELISA, and Western Blot.