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.
MSMS spectrum of the aged chlorpyrifos oxon labeled BChE tryptic peptide from serum taken from the patient exposed to an unknown poison. The quadruply charged parent ion of 760.1 m/z is consistent with aged chlorpyrifos oxon labeled BChE peptide.
