Figure 1.
Examples of surface modification over an existing nanoparticle (a). The schematization in the figure represents the functionalization using (b) polymers, (c) cell membrane, (d) proteins, or (e) hybridized DNA structure.
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.