Figure 5.
FTIR spectra of the as-prepared samples Fe3O4 (a), Fe3O4@PDA (b), Fe3O4@PDA/Ag (c), and Fe3O4@PDA/Ag/PDA (d) nanospheres.
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.