Figure 1.
Hypothetical mechanism of nitric oxide (NO) generation. NO was generated from nitrite, predominantly in hypoxic tumor tissues rather than normal tissues. DDS, drug delivery system; EPR, enhanced permeability and retention.
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.