Figure 9.

Intracellular long time retention of nanoparticles. Transmission electron microscopy pictures of UMB-SCC 745 after nanoparticle incubation over a time period of 15 days. A-C) 2, 9 and 12 days after incubation of Ru@SiO2-OH nanoparticles. D-F) 2, 9 and 12 days after incubation of Ru@SiO2-NH2 nanoparticles. Scale bars for A-E) = 5 μm and for F) = 0.5 μm.

Besic Gyenge et al. Journal of Nanobiotechnology 2011 9:32   doi:10.1186/1477-3155-9-32
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