Fig. 4.
Schematic representation of the growth mechanism of PEG-SPION, which can be visualized as a core-shell system consisting of a superparamagnetic core and a magnetically disordered shell
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.