Figure 5.
SEM morphology of hydrogels (a) HG-1 (b) HG-2 (c) HG-3 (d) HG-4 (e) HG-5 (f) HG-6.
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.