Figure 6From: Titanium dioxide nanoparticles induce oxidative stress and DNA-adduct formation but not DNA-breakage in human lung cells Electron paramagnetic resonance measurement of acellular reactive oxygen species being generated by titanium dioxide and hematite nanoparticles a: treatment of particles with ascorbic acid and H 2 O 2 , b: treatment of particles with cell lysate and H 2 O 2 ).Back to article page