Figure 5

PSiNP Accumulations visualized by SEM. The cross sectional SEM images of injured spinal cord (a) and uninjured spinal cords located at site #1 (b), site #2 (c), and site #3 (d) upon immediate post treatment with TMR-PSiNPs. Some, but not all, of individual and aggregated nanoparticles have been highlighted in green and yellow. Note the existence of dense particles in Figure 6a.