Resolution: standard / high
Figure 9.
Electron photomicrographs of (A) chi-DS and (B) chi-TPP cellular uptake by PC 12 neuronal
cells. The arrows indicate the presence of chitosan particles in PC 12 cells after incubation
for 2 hours.
Cho et al. Journal of Biological Engineering 2010 4:2 doi:10.1186/1754-1611-4-2
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