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.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.