An official website of the United States government
Here's how you know
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.
Characterization of the cerium oxide nanoparticles by (A) field emission scanning electron microscopy and (B) transmission electron microscopy (scale bar = 200 nm) of a dilute cerium oxide suspension.