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.
Schematic illustrates • the different structure between cancerous cells and normal cells, • the different structure between cancer blood vessels and normal blood vessels, • nanoparticles accumulation in cancerous tissue, • Near-infrared (NIR) has a maximum depth of penetration in the biological tissue.
