Chapter title |
Combined Use of MALDI-TOF Mass Spectrometry and 31P NMR Spectroscopy for Analysis of Phospholipids
|
---|---|
Chapter number | 11 |
Book title |
Lipidomics
|
Published in |
Methods in molecular biology, June 2017
|
DOI | 10.1007/978-1-4939-6996-8_11 |
Pubmed ID | |
Book ISBNs |
978-1-4939-6995-1, 978-1-4939-6996-8
|
Authors |
Jenny Schröter, Yulia Popkova, Rosmarie Süß, Jürgen Schiller |
Editors |
Sanjoy K. Bhattacharya |
Abstract |
Lipids are important and abundant constituents of all biological tissues and body fluids. In particular, phospholipids (PL) constitute a major part of the cellular membrane, play a role in signal transduction, and some selected PL are increasingly considered as potential disease markers. However, methods of lipid analysis are less established in comparison to techniques of protein analysis. Mass spectrometry (MS) is an increasingly used technique to analyze lipids, especially in combination with electrospray ionization (ESI) MS which is the so far best established ionization method. Matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) MS has itself proven to be also useful in the field of lipid analysis. (31)P nuclear magnetic resonance (NMR) spectroscopy is another powerful method of PL analysis, represents a direct quantitative method, and does not suffer from suppression effects.This chapter gives an overview of methodological aspects of MALDI-TOF MS and (31)P NMR in lipid research and summarizes the specific advantages and drawbacks of both methods. In particular, suppression effects in MS will be highlighted and possible ways to overcome this problem (use of different matrices, separation of the relevant lipid mixture prior to analysis) will be discussed. |
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