Abstract
A method for the high-performance liquid chromatography separation of tritium-reduced, acetylated oligosaccharides is described. Their highly sensitive detection in column eluant is facilitated by the use of a flow radioactivity detector. The method differentiates some structural isomers and provides resolution of high-mannose oligosaccharides comparable or superior to that of other high-performance liquid chromatography methods. The detection limit is 0.3 pmol of oligosaccharide. For the detection of radioactive oligosaccharides this method is much less laborious than scintilation counting of collected peak fractions. Generation of a continuous chromatographic trace offers a particular advantage in the detection of partially resolved peaks and the visualization of peak shape. A study of some of the factors influencing acetylation and reduction has led to the development of a robust analytical method.
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