Figure 2.
SEM images of electrospun nano/microfibers. Magnification ×1000, scale 50 μm, and magnification ×10 000, scale 5 μm. The values are the mean diameter d of nano/microfibers with standard deviation.
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.