Biocompatibility and Toxicity of Nanoparticles and Nanotubes
Figure 1
SEM and TEM images of samples MSNs ((a) and (c), resp.) and MSNs-RhB ((b) and (d), resp.). The scale bars of (a), (b), (c) and (d) correspond to 1 mm, 1 mm, 100 nm and 100 nm, respectively [5].
