Fig. 3From: Synthesis and biomedical applications of nanoceria, a redox active nanoparticleMechanism of the antioxidant activity of nanoceria. a Effect of free radical inducers on healthy cells in the absence of Cerium oxide nanoparticles (CNPs), which ultimately leads to cell death. b Effect of free radical inducers on healthy cells in the presence of CNPs, which restores the reasonable condition of the cellBack to article page