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Analysis of Z score variations for all 51 nanoparticles tested against AO aorta endothelial cells in the ATP content assay at four different concentrations (0.01, 0.03, 0.1 and 0.3 Fe (mg/ml) for iron-based nanoparticles (NP_1–48) respectively; for the three quantum dot-based nanoparticles (NP_49–51), concentrations were equal to 1, 3, 30 and 100 nM). The labeled MNPs show the most dramatic dose-dependence of their biological effects, particularly at high MNP concentrations.
