A simple yet effective method that employs magnetic nanoparticles to detect and enrich antigen-reactive B cells for functional and phenotypic analysis is described.
Smith, M. J., Packard, T. A., O'Neill, S. K., Hinman, R. M., Rihanek, M., Gottlieb, P. A., Cambier, J. C. Detection and Enrichment of Rare Antigen-specific B Cells for Analysis of Phenotype and Function. J. Vis. Exp. (120), e55382, doi:10.3791/55382 (2017).