Figure 4. Albumin nanoparticles enter cells via caveloae- and clathrin- mediated endocytosis

Confocal image of cellular uptake of HSA NP (0.1 mg/ml) at 37 °C for 1 h A without uptake inhibitor; or in the presence of B chlorpromazine (50 μM), or C filipin (1 μg/ml).