Journal ArticleDOI
Fast atom bombardment and tandem mass spectrometry for determing iso‐ and anteiso‐fatty acids
Nancy J. Jensen,Michael L. Gross +1 more
TLDR
In this paper, the authors used fast atom bombardment (FAB) and tandem mass spectrometry (MS-MS) to distinguish between straight chain and anteiso-branched fatty acids.Abstract:
Branched fatty acids can be distinguished from isomeric straight chain fatty acids by collisionally activating the (M-H)− ions desorbed by using fast atom bombardment (FAB) mass spectrometry (MS). In particular, an acid with iso- fatty branching can be readily distinguished from one containing anteiso- branching; the latter undergoes loss of the elements of CH4 and C2H6 but not C3H8. These decompositions are another example of remote charge site fragmentation. Mixtures of homologs and isomers can be investigated by using the combination of FAB and tandem mass spectrometry (MS-MS).read more
Citations
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Journal ArticleDOI
Location of double bonds in polyunsaturated fatty acids by gas chromatography-mass spectrometry after 4,4-dimethyloxazoline derivatization
Laurent B. Fay,Urs Richli +1 more
TL;DR: In this paper, the location of double bonds in polyunsaturated fatty acids is determined by gas chromatography-mass spectrometry after 4,4-dimethyloxazoline (DMOX) derivatization.
Journal ArticleDOI
Charge‐remote fragmentations: Analytical applications and fundamental studies
Journal ArticleDOI
Fast atom bombardment and tandem mass spectrometry of phosphatidylserine and phosphatidylcholine
TL;DR: Fast atom bombardment (FAB) desorption in combination with collisional activation allows for characterization of fragmentation and determination of structural features of the fatty acid chain.
Journal ArticleDOI
FAB MS/MS for phosphatidylinostitol,-glycerol,-ethanolamine and other complex phospholipids
TL;DR: In this article, fast atom bombardment (FAB) of phosphatidylinositol, phosphatidethanolamine, cardiolipin, Phatidic acid, and phosphatidis glycerol produces a limited number of very informative negative ions.
Journal ArticleDOI
Characterization of Bacterial Phospholipids by Electrospray Ionization Tandem Mass Spectrometry
TL;DR: A negative ion electrospray ionization tandem mass spectrometric technique was developed for the analysis of glycerophospholipids and identified both the class and molecular weights of the two fatty acid moieties.
References
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Journal ArticleDOI
Mass spectrometry in lipid research.
Journal ArticleDOI
Location of double-bond position in unsaturated fatty acids by negative ion MS/MS
Journal ArticleDOI
Gas-phase ion decomposition occurring remote to a charge site
TL;DR: Etude de la fragmentation des anions carboxylates d'acides gras satures ayant 5 a 18 carbones as discussed by the authors is a fragmentation of carboxyclic acid derivatives.
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Collisional Activation Mass Spectrometry—A New Probe for Determining the Structure of Ions in the Gas Phase
Karsten Levsen,Helmut Schwarz +1 more
TL;DR: In this article, a wide range of dissociation reactions are described and the intensity relationships yield information about the structure of the ions concerned and also permit conclusions to be drawn about the mechanism of their formation.
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Triple analyzer mass spectrometry for high resolution MS/MS studies
TL;DR: In this paper, a high resolution MS/MS instrument comprising electrostatic analyzer, magnetic sector, electrostatic analyser, and EBE is described, which is used for high resolution mass selection, high dynamic range and good transmission for collision induced decomposition (CID) fragments.