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.
SEM imaging of freeze-dried hydrogels. (A, B) CH−β-GP hydrogel, (C, D) CH−β-GP–CNT (0.1%) hybrid hydrogel, and (E, F) CH−β-GP–CNT (0.5%) hybrid hydrogel. The control (a) and (b) are reproduced from Saeednia et al. with permission from John Wiley and Sons.
