Abstract:Lipids are a diverse class of molecules involved in many biological functions including cell signaling or cell membrane assembly. Owing to this relevance, LC–MS/MS-based lipidomics emerged as a major field in modern analytical chemistry. Here, we thoroughly characterized the influence of MS and LC settings — of a Q Exactive HF operated in Full MS/data-dependent MS2 TOP N acquisition mode — in order to optimize the semi-quantification of polar lipids. Optimization of MS-source settings improved the signal inten… Show more
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