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Change of Polysaccharide Molecular-Weight Distribution and Fraction Homogeneity After Periodate Oxidation

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Chemistry of Natural Compounds Aims and scope

The effect of periodate oxidation on the molecular weight and fraction homogeneity of dextran dialdehydes and carboxymethylcellulose dialdehydes was studied using 13C NMR spectra and gel-permeation chromatography with dual detection. Oxidation of dextran formed homogeneous polymer fractions containing three types of oxidized residues. Oxidation of carboxymethylcellulose occurred more slowly, caused a sharp drop of molecular weight, and formed heterogeneous polymer fractions in the early reaction stages that became homogeneous at high conversions.

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Authors and Affiliations

  1. D. I. Mendeleev University of Chemical Technology of Russia, Faculty of Oil&Gas Chemistry and Polymer Materials, 125047, Moscow, Miusskaya Sq., 9, Russia

    V. A. Dyatlov, I. S. Kruppa, S. A. Mamaeva, V. I. Gumnikova & V. V. Kireev

  2. A. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 119991, GSP-1, Moscow, Leninskii Prosp. 29, Russia

    I. Yu. Kutergina

  3. All-Russian Research Institute of Aviation Materials, 105005, Russia, Moscow, Ul. Radio, 17

    T. A. Grebeneva

Authors
  1. V. A. Dyatlov
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  2. I. S. Kruppa
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  3. S. A. Mamaeva
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  4. I. Yu. Kutergina
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  5. V. I. Gumnikova
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  6. T. A. Grebeneva
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  7. V. V. Kireev
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Corresponding author

Correspondence to V. A. Dyatlov.

Additional information

Translated from Khimiya Prirodnykh Soedinenii, No. 6, November–December, 2014, pp. 845–849.

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Dyatlov, V.A., Kruppa, I.S., Mamaeva, S.A. et al. Change of Polysaccharide Molecular-Weight Distribution and Fraction Homogeneity After Periodate Oxidation. Chem Nat Compd 50, 973–977 (2014). https://doi.org/10.1007/s10600-014-1139-x

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  • DOI: https://doi.org/10.1007/s10600-014-1139-x

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