Figure 5From: Uptake and fate of surface modified silica nanoparticles in head and neck squamous cell carcinomaIntracellular localisation of Ru@SiO 2 -OH and Ru@SiO 2 -NH 2 nanoparticles after 24 h. Transmission electron microscopy showing intracellular localisation of nanoparticles in UMB-SCC 745 after 24 h of incubation. A) Ru@SiO2-NH2 nanoparticles and B) Ru@SiO2-OH nanoparticles. Scale bars = 5 μm.Back to article page