Tandem Mass Spectrometry
Siuzdak, Gary. “The emergence of mass spectrometry in biochemical research.” Proc. Natl. Acad. Sci. 1994, 91, 11290-11297.
Roepstorff, P.; Fohlman, J. Biomed. Mass Spectrom. 1994, 11, 601.
Quadrople Q1 scans or selects m/z.
Q2 transmits those ions through collision gas (Ar).
Q3 Analyzes the resulting fragment ions.