Mouse anti-Penicillin monoclonal antibody for ELISA. Suitable for use in ELISA. Each laboratory should determine an optimum working titer for use in its particular application. Other applications have not been tested but use in such assays should not necessarily be excluded.Penicillinis a group of Beta-lactam antibiotics used in the treatment of bacterialinfections caused by susceptible, usually Gram-positive, organisms. ß-lactamantibiotics work by inhibiting the formation of peptidoglycan cross-links inthe bacterial cell wall, which results in cytolysis.