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Fig. 6 | Particle and Fibre Toxicology

Fig. 6

From: Biodistribution of single and aggregated gold nanoparticles exposed to the human lung epithelial tissue barrier at the air-liquid interface

Fig. 6

Cellular localization of single and aggregated AuNPs. a Single AuNPs attached to the outer apical cell surface. b Intracellular single AuNPs within vesicle on the apical side of the membrane. c Intracellular aggregated AuNPs found within vesicle on the apical side of the membrane. d Intracellular aggregated AuNPs found within vesicle in dendritic cell on the basal side. All the other black spots are not AuNPs and might originate from lead citrate staining (Histogram analysis in Additional file 1: Figure S8)

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