Electron microscopy of primary cells. Electron microscopy revealed accumulation of electronic dense MNPs in intracellular vesicular compartments, indicated by arrows. (A) shows a microglial cell of primary cerebellar cultures and (B) primary Schwann cells with uptake. Bars represent 2.5 μm.
Pinkernelle et al. BMC Neuroscience 2012 13:32 doi:10.1186/1471-2202-13-32