Journal
ACS CHEMICAL BIOLOGY
Volume 4, Issue 9, Pages 741-750Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cb900067h
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Funding
- NIGMS
- NIH [GM62116, R01GM085448]
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [U54GM062116, R01GM085448] Funding Source: NIH RePORTER
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A novel strategy for creating naturally derived glycan microarrays has been developed. Glycosylamines are prepared from free reducing glycans and stabilized by reaction with acryloyl chloride to generate a glycosylamide in which the reducing monosaccharide has a closed-ring structure. Ozonolysis of the protected glycan yields an active aldehyde, to which a bifunctional fluorescent linker is coupled by reductive amination. The fluorescent derivatives are easily coupled through a residual primary alkylamine to generate glycan microarrays. This strategy preserves structural features of glycans required for antibody recognition and allows development of natural arrays of fluorescent glycans in which the cyclic pyranose structure of the reducing-end sugar residue Is retained.
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