Fig. 4

a The mean and b the median particle size, and c size distribution of the separated particles as assessed by nanoparticle tracking analysis (NTA), and d the mean particle size as assessed by single particle interferometric reflectance imaging sensing (Leprechaun® analysis). Data presented as mean ± SEM; n = 9 (3 per individual, individuals mean highlighted by symbol) for NTA, n = 1 for Leprechaun® analysis, p-values ns not significant, * < 0.05, ** < 0.01, *** < 0.001, **** < 0.0001