Fig. 4.
Structure of crosslink formed by Schiff base reaction of glutaraldehyde with amino groups of two chitosan or conjugate repeat units (R1 and R2). Note the two aldehyde end groups.
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.