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 images revealing the surface topography of the collagen scaffold. (a) Collagen fibers (red arrows) create the rough surface of the scaffold. Depicted design enlarges the overall surface of the matrix, thus providing a larger area for the cell attachment; (b) a detailed analysis of the scaffold’s architecture displays collagen fibers oriented in an unaligned manner (blue arrows).
