Figure 2From: Uptake and fate of surface modified silica nanoparticles in head and neck squamous cell carcinomaNanoparticle internalisation. Transmission electron microscopy pictures of nanoparticle internalisation in UMB-SCC 745 exemplarily shown for Ru@SiO2-NH2. Uptake occurred either as single nanoparticle (A, B, scale bars = 100 nm), or nanoparticle clusters (C, D, scale bars = 500 nm).Back to article page