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.
PFPs generate reactive oxygen species. (A) Chemical reaction showing the multistep reduction of molecular oxygen into reactive oxygen species. (B) Dithiothreitol consumption (n=10), and the generation of hydrogen peroxide (n=3), and hydroxyl radical (n=5) were assayed for PFP and compared to urban ambient PM2.5 collected from Fresno, CA.
