Glycosylamines are readily available carbohydrate derivatives that undergo acylation reactions with homobifunctional N-hydroxysuccinimidyl esters. The product glycosylamides carry a spacer group equipped with one active ester functionality. This route provides well-defined glycoconjugates, which may be cross-linked to various amino-functionalized resins. Carbohydrate recognition of the resulting sugar-bead conjugates is probed by lectin immunostaining or flow cytometry using a fluorescently labeled lectin.
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