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. Author manuscript; available in PMC: 2020 Jan 15.
Published in final edited form as: Bioorg Med Chem Lett. 2019 May 13;29(14):1756–1760. doi: 10.1016/j.bmcl.2019.05.017

Figure 2.

Figure 2

13C NMR spectrum of azidified dextran. Ratio of integrals of the peaks 9 and 1 gives the fraction of modification of sugar units by azide groups. Acquisition parameters: 100 MHz, D2O, time delay=15 s, 8000 scans. Insert: schematic structure of azidified dextran showing α−1,6 glycosidic linkages between glucose monomers with branches from α−1,3 linkages. The numbering of the carbon in the dextran structure corresponds to the corresponding peak numbering in the NMR spectrum.