ISSN:
0951-4198
Keywords:
Chemistry
;
Analytical Chemistry and Spectroscopy
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Physics
Notes:
Consecutive-reaction monitoring (MS3) of negative ions has been shown to be useful in locating double bonds in the fatty acid ester groups of individual phosphatidyl cholines present in complex mixtures. This information is derived from charge-remote fragmentations of carboxylate anions produced by collisional activation of the [M—CH3]- precursor ions from phosphatidyl cholines. The added selectivety of this technique increases the sensitivity, relative to that of tandem mass spectrometry (MS2), such that only 3 pmol are needed to perform this analysis.
Additional Material:
3 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/rcm.1290050307
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