Figure 6.
General scheme for obtaining chitosan aerogel particles: 1—preparation of a chitosan solution, 2—gelation stage, 3—solvent replacement stage, and 4—supercritical drying.
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.