Thermo Fisher Scientific's PSA Antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Immunocytochemistry, Immunohistochemistry, and Immunohistochemistry - fixed. The PSA Antibody was generated using Klk1b3, and KLK3 as the antigen and it reacts with Homo Sapiens, Human, Mouse, and Rat.