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

Dynamic light scattering from colloidal fractal monolayers.

Pietro Cicuta1, Ian Hopkinson

  • 1Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB3 0HE, United Kingdom. pc245@cam.ac.uk

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|May 15, 2002
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

Magneto-optical microscopy platform for quantitative imaging of hemozoin in blood for malaria diagnosis.

Biomedical optics express·2026
Same author

Microfluidic platform for automatic quantification of malaria parasite invasion under physiological flow conditions.

Lab on a chip·2026
Same author

Quantitative analysis of mucociliary activity by computational high-speed video reflection microscopy.

European biophysics journal : EBJ·2026
Same author

Expression of nano-engineered RNA organelles in bacteria.

Nature communications·2026
Same author

Invasion preferences suggest a possible role for Plasmodium falciparum parasites in the expansion of Duffy negativity in West and Central Africa.

Molecular biology and evolution·2026
Same author

Hyphal growth determines spatial organization and coexistence in a pathogenic polymicrobial community in a spatially structured environment.

The ISME journal·2025

The structure of calcium carbonate (CaCO3) particle aggregates at an air-water interface influences interfacial viscoelasticity. Fractal network formation strongly damps surface ripplons, suggesting unique damping mechanisms beyond traditional models.

Area of Science:

  • Interfacial Science
  • Soft Matter Physics
  • Materials Science

Background:

  • Understanding interfacial viscoelasticity is crucial for various applications.
  • The role of particle aggregation structure in interfacial properties remains an active research area.
  • Calcium carbonate (CaCO3) particle monolayers offer a model system for studying interfacial phenomena.

Purpose of the Study:

  • To experimentally investigate the relationship between the structure of CaCO3 particle monolayers and interfacial viscoelasticity.
  • To characterize the aggregation dynamics and fractal nature of CaCO3 particles at the air-water interface.
  • To explore the impact of these structures on interfacial thermal fluctuations (surface ripplons).

Main Methods:

  • Optical microscopy for characterizing particle aggregation and fractal structures.

Related Experiment Videos

  • Surface quasielastic light scattering (SQELS) for measuring interfacial dynamics.
  • Image analysis to quantify cluster-cluster aggregation and network formation.
  • Analysis of surface ripplon dynamics to probe viscoelastic properties.

    • Main Results:

    • CaCO3 particles form two-dimensional fractal aggregates via cluster-cluster aggregation, eventually creating a percolating network.
    • Interfacial thermal fluctuations (surface ripplons) are strongly damped when the aggregate structure's length scale becomes comparable to the ripplon wavelength.
    • No macroscopic surface pressure was observed, unlike typical lipid, surfactant, or polymer monolayers.

    Conclusions:

    • The observed damping of surface ripplons by CaCO3 fractal networks suggests a physical mechanism distinct from those governing conventional monolayers.
    • Traditional models for ripplon spectra are insufficient to explain the damping in this system.
    • The structure of the CaCO3 aggregate network plays a dominant role in determining the interfacial viscoelastic response.