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Related Experiment Video

Updated: Jun 27, 2026

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
10:56

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

Quantitative imaging of colloidal flows.

Rut Besseling1, Lucio Isa, Eric R Weeks

  • 1SUPA (Scottish Universities Physics Alliance) and School of Physics & Astronomy, The University of Edinburgh, Kings Buildings, Mayfield Road, Edinburgh EH9 3JZ, United Kingdom. rbesseli@ph.ed.ac.uk

Advances in Colloid and Interface Science
|November 18, 2008
PubMed
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We developed new methods for tracking particles in concentrated colloidal suspensions under flow using advanced imaging techniques. These advances enable precise 3D microstructural analysis, improving our understanding of fluid dynamics.

Area of Science:

  • Colloid and Interface Science
  • Soft Matter Physics
  • Rheology

Background:

  • Quantitative imaging of concentrated colloidal suspensions under flow is crucial for understanding their behavior.
  • Existing methods for particle tracking in flowing systems have limitations in accuracy and applicability.

Purpose of the Study:

  • To present recent advances in instrumentation and analysis for quantitative imaging of concentrated colloidal suspensions under flow.
  • To introduce new particle tracking algorithms for non-uniform flows.

Main Methods:

  • Utilized a confocal rheoscope for simultaneous rheological and 3D microstructural imaging.
  • Adapted and extended the Crocker and Grier particle tracking algorithm for flowing systems.
  • Developed two novel algorithms for reliable particle tracking in non-uniform colloidal flows.

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Related Experiment Videos

Last Updated: Jun 27, 2026

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
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Published on: May 20, 2014

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy
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Main Results:

  • Demonstrated the capability of the confocal rheoscope for simultaneous rheological and microstructural characterization.
  • Evaluated the performance of existing tracking algorithms in flowing colloidal systems.
  • Achieved reliable particle tracking in non-uniform flows with accuracy comparable to quiescent systems.

Conclusions:

  • The presented instrumentation and analysis methods significantly advance quantitative imaging of colloidal suspensions under flow.
  • The new particle tracking algorithms offer improved accuracy for non-uniform flow conditions.
  • These advancements facilitate a deeper understanding of colloidal dynamics in various flow geometries.