Figure 3.
SEM images of (a) aminochitosan, (b) quaternized aminochitosan 1, (c) quaternized aminochitosan 2 and (d) quaternized aminochitosan 3 membranes.
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.