Fig. 2.
Spectra of LED 40 Hz‐pulsed light for irradiance of cultured cell samples. (A) unfiltered light source, (B) red filtered—593–840 nm, (C) green filtered—560–650 nm, (D) blue filtered—420–580 nm.
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.