Figure 7.
SEM photographs of the top surface of the lyophilized wafer at (A) ×100 magnification, (B) ×250 magnification, (C) ×500 magnification, and (D) ×1000 magnification.
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.