High performance liquid chromatography article 16 Mass spectrometry 12 Animals 10 Chromatography, High Pressure Liquid 10 high performance liquid chromatography 10 nonhuman 10 Lipids 8 Spectrometry 8 Spectrum analysis 8 mass spectrometry 8 priority journal 8 Desorption 6 Liquid chromatography 6 Mass spectrometers 6 Metabolism 6 Spectrometers 6 Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization 6 Spectrophotometry, Ultraviolet 6 Trypanosoma cruzi 6 chemistry 6 controlled study 6 matrix assisted laser desorption ionization time of flight mass spectrometry 6 metabolism 6 American society 4 Amides 4 Analyte ions 4 Binding energy 4 Ceramide 4 Chromatographic analysis 4