Figure 4.
DRIFT IR spectra of NPFe@FeOx@SiO2 (dotted line), NPFe@FeOx@SiO2-PEG (solid line), and PEG-silane (dashed 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.