Figure 4.
Macrostructure characterization. Scanning electron microscopy images of HAGM, MA-gelatin, and HA-co-Gelatin cryogels fabricated at −20, −50, and −80 °C for 15 h (scale bar = 100 µm).
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.