Figure 1.
FTIR spectrum of (a) naked SPION (b) APTES-functionalized SPION. The binding of APTES onto the SPION is revealed by the 1109 and 1044 cm−1 peaks assigned to the Si–O–Si bond.
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.