Passive Microrheology for Measurement of the Concentrated Dispersions Stability

  • Christelle TisserandEmail author
  • Mathias Fleury
  • Laurent Brunel
  • Pascal Bru
  • Gérard Meunier
Conference paper
Part of the Progress in Colloid and Polymer Science book series (PROGCOLLOID, volume 139)


This work presents a new technique of passive microrheology for the study of the microstructural properties of soft materials such as emulsions or suspensions. This technology uses Multi Speckle Diffusing Wave Spectroscopy (MS-DWS) set-up in a backscattering configuration with video camera detection. It measures the mean displacement of the microstructure particles in a spatial range between 0.1 and 100 nm and a time scale between 10−2 and 105 s. Different parameters can be measured or obtained directly from the Mean Square Displacement (MSD) curve, including a fluidity index, a solid–liquid balance, an elasticity index, a viscosity index, a relaxation time and a MSD slope.

Using this technique the evolution of the microstructure, the restructuring after shearing and the variation of the viscoelastic properties with temperature or pH can be measured allowing the physical stability of emulsions or suspensions to be forecasted.

This work focuses on the evolution of the viscoelastic properties of emulsions and suspensions to follow their stability over time and shows the advantages of using a non-invasive method to detect nascent destabilisation of the microstructure.


Ageing Time Dynamic Light Scattering Mean Square Displacement Viscosity Index Potassium Sorbate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. 1.
    Weitz DA, Pine DJ (1993) In: Brown W (ed) Dynamic light scattering, the method and some applications. Oxford University Press, Oxford, 652Google Scholar
  2. 2.
    Weitz DA, Pine DJ (1993) In: Brown W (ed) Dynamic light scattering. Oxford University Press, New YorkGoogle Scholar
  3. 3.
    Brunel L, Snabre P (2003) EP 1,664,744Google Scholar
  4. 4.
    Brunel L (2009) Formulaction, WO2010130766Google Scholar
  5. 5.
    Gardel ML, Valentine MT, Weitz DA (2005) 1 Microrheology. Department of Physics and Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138Google Scholar
  6. 6.
    Bellour M, Skouri M, Munch J-P, Hébraud P (2002) Brownian motion of particles embedded in a solution of giant micelles. Eur Phys J E 8:431–436Google Scholar
  7. 7.
    Mason TG (2000) Estimating the viscoelastic moduli of complex fluids using the generalized Stokes-Einstein equation. Rheol Acta 39:371–378CrossRefGoogle Scholar
  8. 8.
    Faers M (2002) Controlling the state of dispersion and sedimentation stability of colloidal suspensions with both absorbing and non-absorbing polymers. Cahier de Formulation 10:207–222Google Scholar
  9. 9.
    Poon WCK et al (1999) Delayed sedimentation of transient gels in colloid-polymer mixtures: dark field observation, rheology and dynamic light scattering studies. Faraday Discuss 112:143–154CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Christelle Tisserand
    • 1
    Email author
  • Mathias Fleury
    • 1
  • Laurent Brunel
    • 1
  • Pascal Bru
    • 1
  • Gérard Meunier
    • 1
  1. 1.FormulactionL’UnionFrance

Personalised recommendations