Figure 7.
TEM images. (a) Fe3O4@SiO2 (inset: Fe3O4) and (b) Fe3O4@SiO2-OCMCS-FA (inset: SEM images of Fe3O4@SiO2-OCMCS-FA).
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.