Age-related spatial differences of human lens UV filters revealed by negative ion mode MALDI imaging mass spectrometry: Supplemental Information Nicholas Demarais Paul Donaldson Angus Grey 10.17608/k6.auckland.7930298.v1 https://auckland.figshare.com/articles/figure/Age-related_spatial_differences_of_human_lens_UV_filters_revealed_by_negative_ion_mode_MALDI_imaging_mass_spectrometry_Supplemental_Information/7930298 Example spectra of (a) on-tissue MALDI-MS/MS (negative ion mode), (b) LC-MS/MS (positive ion mode), and SRM analysis (positive ion mode) for 4-(2-amino3-hydroxyphenyl)-4-oxobutanoic acid O-B-D-glucoside (AHBG).<br> 2019-03-31 23:44:55 mass spectrometry studies MALDI imaging method MS/MS: tandem mass spectrometry Human Lens UV filters Physiology