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.
Long-term persistence circadian rhythms of bioluminescence in peripheral tissues from mPer2Luc mice. Bioluminescent measurements from cultures of SCN, liver, and lung tissues were recorded for >20 days without media changes or supplements. The first 10 days (Left) and days 11–20 (Right) of data are displayed.
