Mass spectrometry. History of mass spectrometry, Sector instrument, Time-of-flight mass spectrometry, Quadrupole mass analyzer, Quadrupole ion trap, Fourier transform ion cyclotron resonance, Orbitrap, Tandem mass spectrometry, Gas chromatography-mass spectrometry, Liquid chromatography-mass spectrometr, Mass spectrometry data formats, Mass spectrum analysis, Isotope ratio mass spectrometry, Atom probe, Pharmacokinetics, Protein mass spectrometry