Here, we present a comprehensive capillary zone electrophoresis protocol for the assessment of intrinsic physicochemical heterogeneity of monoclonal antibodies as a quality attribute.
Espinosa-de la Garza, C. E., Salazar-Flores, R. D., Pérez, N. O., Flores-Ortiz, L. F., Medina-Rivero, E. Capillary Electrophoresis Separation of Monoclonal Antibody Isoforms Using a Neutral Capillary. J. Vis. Exp. (119), e55082, doi:10.3791/55082 (2017).