Fig. 10

Caco-2 barrier viability (A) and permeability (B). 24 h of incubation with 50 µg/ml of LSNPs and FNPs, and 150 µg/ml of CNPs and HNPs. n = 3. Nude: permeability of Lucifer Yellow across Millicell® inserts without cells. n = 3; mean ± SEM; ⁺⁺p < 0.01 versus Ctrl