Figure 3From: Toxicity evaluation of manufactured CeO2 nanoparticles before and after alteration: combined physicochemical and whole-genome expression analysis in Caco-2 cellsSEM image and cerium characterization. Left side: SEM image, obtained in BSE mode, of Caco-2 cells exposed to Nanobyk-DL. Magnification 500 x. Right side: The EDX spectrum of the clear spots detected on the cell membrane indicates they are composed of cerium.Back to article page