Fig. 6. (A) Cytotoxicity reporters used in our study. Percentage cell viability (Vialight) and intracellular effects (release of reactive oxygen species, mitochondrial membrane potential (MMP) and phospholipidosis using CellROX, Mitohealth and LipidTOX kits, respectively) of HUVEC (upper panel) and HMVEC-C (lower panel) on exposure to quantum dots (B) and liposomes (C) at different exposure nanoparticle concentrations.