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.
Schematic illustration (left) and TEM image (middle) of colloidal iron oxide nanoparticles (CIONs), and a T1-weighted magnetic resonance (MR) image of a human carotid endarterectomy specimen (right). (Reprinted with permission from Ref 53. Copyright 2009 American Chemical Society).
