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Figure 3 | Particle and Fibre Toxicology

Figure 3

From: Intestinal toxicity evaluation of TiO2 degraded surface-treated nanoparticles: a combined physico-chemical and toxicogenomics approach in caco-2 cells

Figure 3

Viability of Caco-2 cells exposed for 4 h, 24 h or 72 h toTiO 2 STNPs. Caco-2 cells were grown in a 96-well plate and differentiated for 21 days. The cells were then exposed for 4 h, 24 h or 72 h at TiO2 STNPs concentrations ranging from 10 to 100 μl/mL. A) Cell viability was determined by intracellular ATP content ( CellTiter-Glo luminescent cell viability Assay, Promega). B) Cell viability was determined by mitochondrial enzyme activity via XTT reagent (In Vitro toxicology assay kit XTT based, Sigma-Aldrich).

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