Fig. 1. (A) A representative TEM image of Fe3O4@OA; (B) the FTIR spectra of the bare Fe3O4 (red) and Fe3O4@OA (black line).
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.