Colloid and Polymer Science

, Volume 282, Issue 4, pp 351–356

Physicochemical study of ovalbumin in the presence of sodium dodecyl sulphate in aqueous media

  • A. González-Pérez
  • J. M. Ruso
  • G. Prieto
  • F. Sarmiento
Original Contribution

DOI: 10.1007/s00396-003-0942-x

Cite this article as:
González-Pérez, A., Ruso, J.M., Prieto, G. et al. Colloid Polym Sci (2004) 282: 351. doi:10.1007/s00396-003-0942-x

Abstract

The interactions of sodium dodecyl sulphate with ovalbumin in aqueous solution at room temperature are described for a wide concentration range of both substances. A phase diagram covering a wide range of concentrations shows a total of five different morphologies. Dynamic light scattering of the samples from each morphology offered better understanding of the different structures (between three and four) present in the solution. The amount of ovalbumin present in the solution was confirmed with differential scanning spectroscopy, while the interactions between sodium dodecyl sulphate and ovalbumin were interpreted by zeta potential and electrical conductivity measurements.

Keywords

Ovalbumin Sodium dodecyl sulphate Phase diagram Interactions 

Copyright information

© Springer-Verlag 2004

Authors and Affiliations

  • A. González-Pérez
    • 1
  • J. M. Ruso
    • 1
  • G. Prieto
    • 1
  • F. Sarmiento
    • 1
  1. 1.Biophysics and Interfaces Group, Department of Applied Physics, Faculty of PhysicsUniversity of Santiago de CompostelaSantiago de CompostelaSpain

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