# Chemical Sciences: A Manual for CSIR-UGC National Eligibility Test for Lectureship and JRF/List of mass spectrometry acronyms

This is a compilation of acronyms commonly used in mass spectrometry.

## A

* AE – Appearance energy
* AMS – Accelerator mass spectrometry
* AMU – Atomic mass unit
* AP – Appearance potential
* AP MALDI – Atmospheric pressure matrix-assisted laser desorption/ionization
* APCI – Atmospheric pressure chemical ionization
* API – Atmospheric pressure ionization
* APPI – Atmospheric pressure photoionization
* ASMS – American Society for Mass Spectrometry

## B

* BP – Base peak
* BIRD – Blackbody infrared radiative dissociation

## C

* CRF – Charge remote fragmentation
* CSR – Charge stripping reaction
* CI – Chemical ionization
* CA – Collisional activation
* CAD – Collisionally activated dissociation
* CID – Collision-induced dissociation
* CRM – Consecutive reaction monitoring
* CF-FAB – Continuous flow fast atom bombardment

## D

* DE – Delayed extraction
* DADI – Direct analysis of daughter ions
* DAPPI – Desorption atmospheric pressure photoionization
* DEP – Direct exposure probe
* DESI – Desorption electrospray ionization
* DIP – direct insertion probe
* DART – Direct analysis in real time
* DLI – Direct liquid introduction

## E

* EA – Electron affinity
* ECI – Electron capture ionization
* ECD – Electron capture dissociation
* EI – Electron ionization (or electron impact)
* EJMS – European Journal of Mass Spectrometry
* eV – Electronvolt
* ESA – Electrostatic energy analyzer

## F

* FAIMS – High-field asymmetric waveform ion mobility spectrometry
* FAB – Fast atom bombardment
* FIB – Fast ion bombardment
* FD – Field desorption
* FFR – Field-free region
* FI – Field ionization
* FT-ICR MS – Fourier transform ion cyclotron resonance mass spectrometer
* FTMS – Fourier transform mass spectrometer

## G

* GDMS – Glow discharge mass spectrometry

## H

* HDX – Hydrogen/deuterium exchange
* HCD – Higher-energy C-trap dissociation

## I

* ICAT – Isotope-coded affinity tag
* ICP – Inductively coupled plasma
* ICRMS – Ion cyclotron resonance mass spectrometer
* IDMS – Isotope dilution mass spectrometry
* IJMS – International Journal of Mass Spectrometry
* IRMPD – Infrared multiphoton dissociation
* IKES – Ion kinetic energy spectrometry
* IMS – Ion mobility spectrometry
* IMSC – International Mass Spectrometry Conference
* IMSF – International Mass Spectrometry Foundation
* IRMS – Isotope ratio mass spectrometry
* IT – Ion trap
* ITMS – Ion trap mass spectrometry
* ITMS – Ion trap mobility spectrometry
* iTRAQ – isobaric tag for relative and absolute quantitation

## J

* JASMS – Journal of the American Society for Mass Spectrometry
* JEOL – Japan Electro-Optics Laboratory
* JMS – Journal of Mass Spectrometry

## K

* KER – Kinetic energy release
* KERD – Kinetic energy release distribution

## L

* LD – Laser desorption
* LDI – Laser desorption ionization
* LI – Laser ionization
* LMMS – Laser microprobe mass spectrometry
* LIT – Linear ion trap
* LSI – Liquid secondary ionization

## M

* MIKES – Mass-analyzed ion kinetic energy spectrometry
* MS – Mass spectrometer
* MS – Mass spectrometry
* MS/MS – Mass spectrometry/mass spectrometry
* MALDI – Matrix-assisted laser desorption/ionization
* MIMS – Membrane introduction mass spectrometry, membrane inlet mass spectrometry, membrane interface mass spectrometry
* MCP – Microchannel plate
* MS$^n$ – Multiple stage mass spectrometry
* MCP – Microchannel plate
* MPI – Multiphoton ionization
* MRM – Multiple reaction monitoring

## N

* NICI – Negative ion chemical ionization
* NRMS – Neutralization reionization mass spectrometry

## O

* OMS – Organic Mass Spectrometry (Journal)

## P

* PDI – Plasma desorption/ionization
* PDMS – Plasma desorption mass spectrometry
* PAD – Post-acceleration detector
* PSD – Post-source decay
* PyMS – Pyrolysis mass spectrometry

## Q

* QUISTOR – Quadrupole ion storage trap
* QIT – Quadrupole ion trap
* QMS – Quadrupole mass spectrometer

## R

* RCM – Rapid Communications in Mass Spectrometry
* REMPI – Resonance-enhanced multiphoton ionization
* RGA – Residual gas analyzer
* RI – Resonance ionization

## S

* SELDI – Surface-enhanced laser desorption/ionization
* SHRIMP – Sensitive high resolution ion microprobe
* SIFT – Selected ion flow tube
* SILAC – Stable isotope labelling by amino acids in cell culture
* SIM – Selected ion monitoring
* SIR – Selected ion recording
* SNMS – Secondary neutral mass spectrometry
* SRM – Selected reaction monitoring
* SWIFT – Stored waveform inverse Fourier transform
* SID – Surface-induced dissociation
* SIR – Surface-induced reaction
* SI – Surface ionization
* SORI – Sustained off-resonance irradiation

## T

* TI – thermal ionization
* TOF-MS – Time-of-flight mass spectrometer
* TLF – Time-lag focusing
* TIC – Total ion current
* TICC – Total ion current chromatogram

## V

* VG – Vacuum Generators (company)

## References

* ↑ Busch, Kenneth L. (2002). "SAMS:Speaking with Acronyms in Mass Spectrometry" (PDF). Spectroscopy. 17 (2). Retrieved 2009-02-02. {{cite journal}}: Cite has empty unknown parameter: |coauthors= (help); Unknown parameter |month= ignored (help)
* ↑ "Acronyms in Mass Spectrometry". Spectroscopy. May 1, 2006. Retrieved 2009-01-30. {{cite journal}}: Cite has empty unknown parameter: |coauthors= (help)