Figure 6.
Scanning electron micrographs of chitosan (a), CS-L1 (b), CS-L2 (c), CS-L3 (d), and CS-L4 (e).
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.