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Molecular species analysis of phospholipids by negative ion fast atom bombardment mass spectrometry: application of
S Chen1, E Benfenati, R Fanelli
1Mario Negri Institute for Pharmacological Research, Bergamo, Italy.
Biomedical & Environmental Mass Spectrometry
|December 1, 1989
Abstract:
Eight phospholipidic classes from bovine brain cortex and soybean were prepared and purified by preparative high-performance and liquid chromatography, and their molecular species were identified by negative ion fast atom bombardment mass spectrometry using the 'surface precipitation' method. Its main advantages are: (i) clear-cut and abundant diagnostic ions for structural elucidation of the species; (ii) fragments characteristic of the main fatty acids, the polar head-group and the molecule frame in phospholipids; (iii) less background caused by the liquid matrix.