Figure 1.
Depiction of fully assembled Tf-NV MSN system: when the pH is adjusted to below 6, the nanovalves open, and the MSNs’ contents diffuse out in the presence of transferrin.
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.