Cytotoxicity and Genotoxicity of Panel of Single- and Multiwalled Carbon Nanotubes: In Vitro Effects on Normal Syrian Hamster Embryo and Immortalized V79 Hamster Lung Cells

Figure 1

Oxidative stress after 24 h of treatment with CNTs, expressed as fluorescence intensity (% of control ± SD) in V79 and SHE cells. Fluorescence intensity with single- (1100) or double-walled carbon nanotubes (2100–2150, DWEF) in (a) V79 cells and (b) SHE cells and with multiwalled carbon nanotubes (3100–3150, SBb and SBp) in (c) V79 cells and (d) SHE cells. C.: control (medium alone); TiO₂: positive control. Two independent experiments with duplicate were realized for every point. Data were expressed as the mean fluorescence intensity of the two independent experiments ± SD. Sample concentrations are expressed as μg per cm² of cell culture surface. Statistically significant () compared to control.

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