Tandem mass spectrometry
Tandem mass spectrometry, also known as MS/MS or MS², involves multiple steps of mass spectrometry selection, with some form of fragmentation occurring in between the stages.
U.S. National Library of Medicine
Tandem Mass Spectrometry
A mass spectrometry technique using two (MS/MS) or more mass analyzers. With two in tandem, the precursor ions are mass-selected by a first mass analyzer, and focused into a collision region where they are then fragmented into product ions which are then characterized by a second mass analyzer. A variety of techniques are used to separate the compounds, ionize them, and introduce them to the first mass analyzer. For example, for in GC-MS/MS, GAS CHROMATOGRAPHY-MASS SPECTROMETRY is involved in separating relatively small compounds by GAS CHROMATOGRAPHY prior to injecting them into an ionization chamber for the mass selection.
The numerical value of tandem mass spectrometry in Chaldean Numerology is: 1
The numerical value of tandem mass spectrometry in Pythagorean Numerology is: 7
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"tandem mass spectrometry." Definitions.net. STANDS4 LLC, 2017. Web. 24 Jun 2017. <http://www.definitions.net/definition/tandem mass spectrometry>.