ELISA: The plate was coated with purified Human IgGkappa, IgMkappa, IgAkappa, IgGlambda, IgMlambda and IgAlambda. Immunoglobulins were detected with serially diluted ARG24058 Goat anti-Human Kappa Light Chain antibody (pre-adsorbed) followed by Mouse anti-Goat IgG Fc antibody (HRP).