Figure 2.
Scanning electron microscopy of (A) empty polymersomes and (B) polymersomes loaded with PpIX.
Abbreviation: PpIX, protoporphyrin IX.
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.