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.
Detection of covarying product ions in the time domain. A cluster of 5 highly correlated columns (not yet identified) is used to form a time-domain filter for computing a synthetic spectrum. In this case the 5 columns are fragment ions (y2 – y5 and b8) of the same peptide.
