Figure 1.
Photodynamic therapy (PDT) diagram. The therapy starts with photosensitizer (PS) administration. The drug is accumulated in the target tissue, and only when irradiated with light does leads to cell death.
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.