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Mass Spectrometry of Gangliosides.

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This chapter describes protocols for mass spectrometry (MS) applied to the characterization of ganglioside structures and the determination of ganglioside contents. Matrix-assisted laser desorption/ionization (MALDI) and electrospray ionization (ESI) are… Click to show full abstract

This chapter describes protocols for mass spectrometry (MS) applied to the characterization of ganglioside structures and the determination of ganglioside contents. Matrix-assisted laser desorption/ionization (MALDI) and electrospray ionization (ESI) are often used to ionize biological materials and this chapter covers three protocols for atmospheric pressure MALDI MS (AP-MALDI MS), liquid chromatography-ESI MS (LC-ESI MS), and LC-ESI MS with multiple reaction monitoring (MRM). Purified gangliosides were used in AP-MALDI MS analyses while crude preparations of gangliosides were subjected to LC-ESI MS and LC-ESI MS with MRM. The LC protocol includes conditions for both reversed-phase and normal-phase column chromatography.

Keywords: spectrometry; mass spectrometry; spectrometry gangliosides; esi esi; maldi

Journal Title: Methods in molecular biology
Year Published: 2018

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