MyBioSource.com's Claudin-18.2 Monoclonal Antibody monoclonal antibody. The Claudin-18.2 Monoclonal Antibody was generated using Claudin 18, and CLDN18 as the antigen. It reacts with Human. This antibody has been shown to work in applications such as: EIA, Immunoassay, ELISA, and Flow Cytometry.