The Staphylococcus aureus Monoclonal Antibody (SEI, IgG1, 3.6 mg/mL) from Creative Biolabs Monoclonal antibody. The Staphylococcus aureus Monoclonal Antibody (SEI, IgG1, 3.6 mg/mL) has been validated for the following applications: EIA, Immunoassay, ELISA, and Western Blot.