Figure 4

EVs characterization by Nanoparticle Tracking Analysis (NTA).
(A) Representative size distribution profiles of EVs isolated by SEC, PEG or PROSPR precipitation. (B) Concentration (particles/mL) and (C) modal size (nm) of EV samples according to NTA measures. The median +/−SD is reported for four independent experiments from four individual samples carried out in parallel with each method.