Figure 2.
Flow of experimental methods for the 14N/15N serum samples. After combining the blood samples in equal amounts and forming serum, all mouse samples were prepared and analyzed using the general methods described.
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.