Fujifilm Wako offers a line-up of ELISA kits that can be used for qualitative and quantitative analysis of extracellular vesicles (EV), including exosomes. Fujifilm Wako provides high-sensitivity ELISA kits that utilize "PS-affinity method" and ELISA kits that use anti human CD9, CD63, or CD81 antibody. From these, you can select a product that meets your purpose.