Figure 9.
A. Steps of stalk synthesis, cargo loading, capping, and release. B. Cap dissociation from protonated stalk after pH decreases below 6. C. TEM image of the capped MSN. Reprinted with permission from 36, copyright (2010) J. Am. Chem. Soc.
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.