National Cancer Institute (source definition)
Time-of-Flight Mass Spectrometry
A method for determining the mass-to-charge ratio (m/z) of gas-phase ions based on measuring how quickly they travel a known distance in an electric field of known strength.
Review and references
Automated source check (NCI definition)
2026-10-20
2026-10-20
professional use
What it is
A method for determining the mass-to-charge ratio (m/z) of gas-phase ions based on measuring how quickly they travel a known distance in an electric field of known strength.
Source: National Cancer Institute, NCI Thesaurus 26.09d, C213153. NCI definition, reproduced without modification under CC BY 4.0.
Source identity and definition checked automatically on 2026-10-20. No individual clinical interpretation or human reviewer is asserted.
Compliance note
Reference intervals and interpretation depend on the laboratory, specimen, method and clinical context. This source definition is educational information; it does not establish a diagnosis, product approval or suitability for an individual.