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.
a) Schematic showing the preparation strategy for core/shell structured responsive magnetic particles. b–e) TEM images of Fe3O4 particles (b), Fe3O4@nSiO2@mSiO2 particles (c), and RMPs (d,e). Inset in (b): Enlarged TEM image of a single Fe3O4 particle. TEOS: Tetraethyl orthosilicate.
