Analytical Sciences

Abstract − Analytical Sciences, 19(1), 167 (2003).

Fluorescence Labeling of Oligosaccharides Useful in the Determination of Molecular Interactions
Daisuke SUGAHARA, Junko AMANO, and Tatsuro IRIMURA 
Laboratory of Cancer Biology and Molecular Immunology, Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
A simple method to label oligosaccharides with a multifunctional fluorescent group was developed. Oligosaccharides were quantitatively labeled at their reducing termini with pyrene butanoic acid hydrazide. The pyrene-labeled oligosaccharides were successfully applied to fluorescence polarization measurements and ELISA at picomole quantity, which was not previously reached by other procedures. This labeling method should prove to be useful in a variety of aspects in glycobiology.