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.
(a) Luminescence signal from the sensor when it is exposed to different increasing oxygen concentrations; (b) Stern-Volmer plot obtained from the sensor for increasing oxygen 5% steps. Inset the linear approach with the R2 parameter. Reprinted with permission from Ref. [27].
