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.
Morphological characterization of COL/CS composite films. (A) Schematic illustration of the COL/CS composite film preparation (drawn with the Figdraw 9 platform). (B) Scanning electron microscopy (SEM) images of the surface of the COL film (a), COL/CS film (b), and COL/3CS film (c). (C) Ra values of different composite films. Values represent the mean ± standard deviation (SD), n = 5, *p < 0.05.
