An official website of the United States government
Here's how you know
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.
Scanning electron microscopy images of the PCL fibers (cPCL=15 % w/v) at different magnifications before (a) and after (b) stretching of the fibers. Insets show the size distribution of the respective fibers.