The TFF1/pS2 (D2Y1J) Rabbit mAb (BSA and Azide Free) Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to TFF1, and Trefoil Factor 1. This antibody recognizes Homo Sapiens, and Human antigen. The TFF1/pS2 (D2Y1J) Rabbit mAb (BSA and Azide Free) Antibody has been validated for the following applications: Immunohistochemistry, Immunohistochemistry - fixed, and Western Blot.