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.
MALDI mass spectra of human serum derived IgA (
), IgG(
) and IgM (
) isolated from human serum reduced with 1 M DTT for 10 min. Panel A shows the entire mass range collected and Panels B and C show zoomed-in ranges. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
