Abstract
A charged and strongly UV-absorbing tag, N-(4-aminobenzoyl)- l-glutamic acid) (ABG), was coupled to oligosaccharides by reductive amination under mild conditions. The effectiveness of ABG as a derivatization agent is shown through the separation of isomaltooligosaccharides from a dextran hydrolysate. The minimum detectable quantities in the subpicomole range are demonstrated.
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