Automated, parallel mass spectrometry imaging and structural identification of lipids

Nat Methods. 2018 Jul;15(7):515-518. doi: 10.1038/s41592-018-0010-6. Epub 2018 May 21.

Abstract

We report a method that enables automated data-dependent acquisition of lipid tandem mass spectrometry data in parallel with a high-resolution mass spectrometry imaging experiment. The method does not increase the total image acquisition time and is combined with automatic structural assignments. This lipidome-per-pixel approach automatically identified and validated 104 unique molecular lipids and their spatial locations from rat cerebellar tissue.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Automation*
  • Carbohydrate Conformation
  • Lipids / chemistry*
  • Lipids / classification*
  • Mass Spectrometry / methods*

Substances

  • Lipids