Study of matrix additives for sensitive analysis of lipid A by matrix-assisted laser desorption ionization mass spectrometry.

Abstract

Matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) has been widely used for structural characterization of bacterial endotoxins (lipid A). However, the mass spectrometric behavior of the lipid A molecule is highly dependent on the matrix. Furthermore, this dependence is strongly linked to phosphorylation patterns… (More)
DOI: 10.1128/AEM.03082-09

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