Abstract
N-Formyl-2-aminoethanol appears to be a very suitable matrix for the fast atom bombardment (FAB) mass spectrometry of many (bio)organic molecules. The best results so far have been obtained with compounds having a decreased hydrophilic character. These include (per)methylated oligosaccharides and peptides containing relatively many amino acids with non-polar side-chains. The positive and negative ion FAB mass spectra of these compounds show abundant [M + H] +, [M − H] − and sequence ions, while the ions resulting from the matrix do not dominate.
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