Monoclonal antibodies to individual IgG1 (HP6069 1 Fc), IgG2 (HP6002 1 Fc), IgG3 (HP6047, anti-hinge region), and IgG4 (HP6025 1 Fc) (12, 34) were purchased in the Hybridoma Reagent Lab. for IgG2, 3.35 mg/ml; for IgG3, 0.37 mg/ml; as well as for IgG4, 0.30 mg/ml. The designated mass worth for total anti-PA-specific IgG was 141.2 […]