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.
Examples of first-, second-, and third-generation photosensitizers with structure. (a) Porphyrin, (b) hematoporphyrin, (c) 5′-aminolevulinic acid, (d) chlorin, (e) verteporfin, (f) anthracene-9,10-endoperoxide derivative, and (g) 2-pydidone conjugated BODIPY.
