Figure 4.
SEM Images of collagen gels dried under morphology-preserving conditions (see text). The gels were fracture to expose the inner structure (A) TPAu1, (B) TPAu2, (C) TPAu3
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.