Figure 3.
Comparison of 1H nuclear magnetic resonance (NMR) spectra in CDCl3 of free drugs and drugs-loaded delivery systems (A) or drug-free delivery systems (B).
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.