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.
Spectra are shown for an undeuterated (left) and deuterium labeled (right) peptide at either a mass resolution of 12 000 (a) or 750 000 (b). At ultrahigh resolution, the isotopomers within each apparent isotopic peak become resolved (c). Figure adapted from ref (655).
