Dual polarity MALDI imaging mass spectrometry on the same pixel points reveals spatial lipid localizations at high-spatial resolutions in rat small intestine† †Electronic supplementary information (ESI) available. See DOI: 10.1039/c8ay00645h.

Dual polarity MALDI imaging mass spectrometry on the same pixel points reveals spatial lipid localizations at high-spatial resolutions in rat small intestine† †Electronic supplementary information (ESI) available. See DOI: 10.1039/c8ay00645h.