•
MIKES – Mass-analyzed ion kinetic energy spectrometry •
MS – Mass spectrometer •
MS – Mass spectrometry •
MS2 – Mass spectrometry/mass spectrometry, i.e. tandem mass spectrometry •
MS/MS – Mass spectrometry/mass spectrometry, i.e. tandem mass spectrometry •
MALDESI – Matrix-assisted laser desorption electrospray ionization •
MALDI – Matrix-assisted laser desorption/ionization •
MAII – Matrix-assisted inlet ionization • MAIV – Matrix-assisted ionization vacuum •
MIMS – Membrane introduction mass spectrometry, membrane inlet mass spectrometry, membrane interface mass spectrometry •
MCP – Microchannel plate •
MSn – Multiple-stage mass spectrometry •
MCP – Microchannel plate •
MPI – Multiphoton ionization •
MRM – Multiple reaction monitoring ==N==