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New NHR Techniques for Structure Determination and Resonance Assignments of Complex Carbohydrates
Authors:Ad Bax  William Egan  Pavol Ková
Affiliation:1. Laboratory of Chemical Physics, National Institute of Arthritis, Diabetes, and Digestive and Kidney Diseases National Institutes of Health , Bethesda, MD, 20205;2. Office of Biologies Research and Review, Center for Drugs and Biologies , 8800 Rockville Pike, Bethesda, MD, 20205;3. Laboratory of Chemistry, National Institute of Arthritis, Diabetes, and Digestive and Kidney Diseases National Institutes of Health , Bethesda, MD, 20205
Abstract:Abstract

This paper describes several new NMR techniques for structure determination and spectral assignment of polysaccharides. Positions of linkages between sugar units can be determined unambigously and with high sensitivity using a modified version of the well known INEPT experiment. A new two-dimensional experiment is shown to provide excellent resolution and sensitivity in correlating 1H and 13C chemical shifts.
Keywords:
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