Figure 2.
Scanning electron microscopy (SEM) images of (a) the cross-section of a representative template with high aspect ratio cylindrical interconnected channels, and (b) zoom-in indicating the four directions of the interconnected pores.
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.