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.
Ion signal ratios for m/z (735/734) and m/z (185/184) from DPPC obtained with 20 keV (H2O)Ar2000; (D2O) Ar2000; and 20 keV (D2O)2000 and (D2O)4000 cluster primary ion beams at a dose of 5E11 ions cm−2. The ‘Expected’ ratios are those that would arise from the 13C contribution.
