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The precursor ions of tetraphenylporphyrins that are substituted with fatty acids can be introduced into the gas phase by matrix-assisted laser desorption ionization (MALDI) and undergo post-source(More)
Lineloyl-palmitoyl (PLPC) and arachidonoyl-palmitoyl (PAPC) phosphatidylcholine were oxidized under Fenton reaction conditions (H2O2 and Fe2+), and the short-chain products formed were identified by(More)
Electrospray ionization mass spectrometry (ESI-MS) and tandem mass spectrometry (ESI-MS/MS) have been used to differentiate the 2- and 4-methylpyridyl isomers of free-base and metallated cationic(More)