Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Colloidal Particles at Water-Glass Interface: Analyzing Videomicroscopic Data

Lüthi1, Ricka

  • 1Institute of Applied Physics, University of Bern, Sidlerstrasse 5, Bern, 3012, Switzerland

Journal of Colloid and Interface Science
|October 8, 1998
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Noise on Fluorescence Correlation Spectroscopy.

Journal of colloid and interface science·2000
Same author

Colloidal Particles at Water-Glass Interface: Deposition Kinetics and Surface Heterogeneity.

Journal of colloid and interface science·1998
Same author

Colloidal Particles at Solid-Liquid Interfaces: Mechanisms of Desorption Kinetics.

Journal of colloid and interface science·1998
Same author

Elastic properties of superconducting Chevrel-phase compounds.

Physical review. B, Condensed matter·1996
Same author

Comment on "Nanoscale visualization and control of ferroelectric domains by atomic force microscopy"

Physical review letters·1996
Same author

Absence of acoustic signature of the quadrupolar Kondo effect in U0.2Y0.8Pd3.

Physical review. B, Condensed matter·1995

Videomicroscopy can study particle deposition but has resolution limits. This study provides methods to correct for artefacts and accurately measure particle adhesion and release kinetics at interfaces.

Area of Science:

  • Colloid and surface science
  • Interface phenomena
  • Particle dynamics

Background:

  • Direct videomicroscopy is crucial for studying colloidal particle deposition at liquid-solid interfaces.
  • Limited resolution can lead to artefacts, necessitating careful analysis and correction methods.

Purpose of the Study:

  • To discuss the capabilities and limitations of videomicroscopic observations for particle deposition studies.
  • To present algorithms and correction formulas for accurate determination of deposition and release kinetics.
  • To analyze particle release kinetics in the presence of a repulsive barrier.

Main Methods:

  • Videomicroscopic observations of particle deposition in a parallel plate channel flow.
  • Development of algorithms for quantifying particle-surface interactions.

Related Experiment Videos

  • Analysis of particle adhesion time distributions.

    • Main Results:

    • Identified artefacts associated with limited resolution in videomicroscopy.
    • Developed correction formulas for accurate data analysis.
    • Observed highly non-exponential kinetics for particle release.
    • Fitted adhesion time distributions using a stretched exponential function (exp[-(betatau)nu]) with nu ≈ 0.5 and beta ≈ 3 x 10(-5) s-1.

    Conclusions:

    • Videomicroscopy is a powerful, yet artifact-prone, tool for interface studies.
    • Accurate determination of particle deposition and release kinetics requires specialized algorithms and corrections.
    • Particle release kinetics at interfaces can be complex and non-exponential, described by stretched exponential models.