National Cancer Institute Thesaurus

Last uploaded: February 21, 2019
Preferred Name

Tandem Mass Spectrometry

ID

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C18142

code

C18142

DEFINITION

Mass spectrometers coupled in series. The targeted compound is selectively ionized, and its characteristic ions are separated from others in the mixture in the first mass spectrometer. The selected primary ions are then decomposed by collision, and from the resulting products the final mass analyzer selects secondary ions characteristic of the targeted compound. Tandem mass spectrometry can achieve specificities and sensitivities equivalent of those of methods such as radioimmunoassay and gas chromatography/mass spectrometry, while performing analyses in much shorter times.

FULL_SYN

MS/MS

label

Tandem Mass Spectrometry

Legacy_Concept_Name

Tandem_Mass_Spectrometry

Preferred_Name

Tandem Mass Spectrometry

prefixIRI

C18142

prefLabel

Tandem Mass Spectrometry

Semantic_Type

Laboratory Procedure

UMLS_CUI

C0599748

subClassOf

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C17156

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http://purl.obolibrary.org/obo/OBI_0200198 Ontology for Biomedical Investigations LOOM
http://purl.bioontology.org/ontology/MESH/D053719 Medical Subject Headings LOOM