The latest generation of EV characterization tools are capable of single EV analysis across multiple parameters simultaneously. Nano-flow cytometry measures all biological particles larger than 45 nm without labeling and identifies specific characteristics of subpopulations by a variety of fluorescent labeling techniques.
Lees, R., Tempest, R., Law, A., Aubert, D., Davies, O. G., Williams, S., Peake, N., Peacock, B. Single Extracellular Vesicle Transmembrane Protein Characterization by Nano-Flow Cytometry. J. Vis. Exp. (185), e64020, doi:10.3791/64020 (2022).