Figure 4From: Role of metal oxide nanoparticles in histopathological changes observed in the lung of weldersIdentification of NP in lung tissue sections. A: Representative optical microscopy image of a thin section (Azur II staining) of a welder. Inset: higher magnification of a macrophage-containing fibrous region, observed by TEM. B: Representative EDX spectrum of individual NP detected by TEM.Back to article page