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.
Bioluminescence spectra of U2OS cell lines expressing luciferase CBG99 (A), CBR (B), Luc2 (C) or NanoLuc (D) at 25 and 37°C. Cells were incubated in DMEM containing 10% FBS with 5% CO2. The substrate was 1 mM beetle luciferin for beetle luciferase or 12.5 μM furimazine for NanoLuc.
