Chemistry of Natural Compounds

, Volume 18, Issue 3, pp 355–359 | Cite as

Characteristics of the molecular-mass parameters and viscosities of solutions of the lipopolysaccharide-protein complex fromYersinia pseudotuberculosis

  • I. M. Ermak
  • B. K. Vasil'ev
  • R. V. Gladkikh
  • G. M. Nedashkovskaya
  • M. F. Shekhovtsova
  • T. F. Solov'eva
  • Yu. S. Ovodov


The lipopolysaccharide-protein complex (LPPC) fromY. pseudotuberculosis isolated by extraction with trichloroacetic acid has been investigated by the methods of gel permeation chromatography, light scattering, and viscometry. The molecular-mass distributions of aggregates of the LPPC in water, 0.03 M Tris-HCl buffer (pH 8) and 0.1 M sodium chloride have been determined. A dependence of the polydispersity and dimensions of the aggregates on the concentration of the polymer and on the ionic strength of the solvent has been shown. It has been established that in water the LPPC has a high characteristic viscosity which falls with an increase in the ionic strength of the solution.


Intrinsic Viscosity Molecular Mass Distribution Cesium Chloride Calibration Relationship High Characteristic Viscosity 


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Copyright information

© Plenum Publishing Corporation 1983

Authors and Affiliations

  • I. M. Ermak
  • B. K. Vasil'ev
  • R. V. Gladkikh
  • G. M. Nedashkovskaya
  • M. F. Shekhovtsova
  • T. F. Solov'eva
  • Yu. S. Ovodov

There are no affiliations available

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