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.
(a) SEM morphology of pristine PCL (control); (a1,a2) SEM morphology of aminolized PCL electrospun mats grafted with collagen/chitosan blend under different magnifications (arrow shows a typical uncoated part); (b,b1) comparative histograms of fiber diameter before (b) and after (b1) coating.
