Diaz, G., Bridges, C., Lucas, M., Cheng, Y., Schorey, J. S., Dobos, K. M., Kruh-Garcia, N. A. Protein Digestion, Ultrafiltration, and Size Exclusion Chromatography to Optimize the Isolation of Exosomes from Human Blood Plasma and Serum. J. Vis. Exp. (134), e57467, doi:10.3791/57467 (2018).