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

Effective interactions in colloid-semipermeable membrane systems.

Paweł Bryk1

  • 1Department for the Modeling of Physico-Chemical Processes, Maria Curie-Skłodowska University, 20-031 Lublin, Poland. pawel@paco.umcs.lublin.pl

Langmuir : the ACS Journal of Surfaces and Colloids
|March 22, 2006
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

Chasing the Critical Wetting Transition. An Effective Interface Potential Method.

Materials (Basel, Switzerland)·2021
Same author

Revisiting Wetting, Freezing, and Evaporation Mechanisms of Water on Copper.

ACS applied materials & interfaces·2021
Same author

What Is the Value of Water Contact Angle on Silicon?

Materials (Basel, Switzerland)·2020
Same author

Water Nanodroplet on a Hydrocarbon "Carpet"-The Mechanism of Water Contact Angle Stabilization by Airborne Contaminations on Graphene, Au, and PTFE Surfaces.

Langmuir : the ACS journal of surfaces and colloids·2018
Same author

Microscopic density functional theory for monolayers of diblock copolymers.

The Journal of chemical physics·2018
Same author

Two-dimensional binary mixtures of patchy particles and spherical colloids.

Soft matter·2016
Same journal

Immobilization of Ytterbium via Polyphenol Chemistry on Implant Materials for Enhanced Cytocompatibility and Antibacterial Properties.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Electrochemical Oxidation Strategy for Integrated CO<sub>2</sub> Capture and Conversion.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Probing Molecular Structural Changes of Buried Interfaces between Polyethylene and Nylon in Polymer Thin Films after Stretching.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Charge Dependence of Local Hydration Dynamics in Poly(Acrylic Acid) Solutions.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Amphiphilic Lubricants Linked by Hydrogen Bonds Achieve Superlubricity and Enhance Water/Oil Tribological Properties.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Spin Dewetting of Ultrathin Polymer Films.

Langmuir : the ACS journal of surfaces and colloids·2026
See all related articles

Colloidal particle interactions with semipermeable membranes are weaker than with hard walls, especially at lower osmotic pressures. Membrane permeability significantly influences these effective forces.

Area of Science:

  • Colloid and Interface Science
  • Statistical Mechanics
  • Soft Matter Physics

Background:

  • Understanding colloidal interactions is crucial for designing advanced materials.
  • Semipermeable membranes play vital roles in biological and synthetic systems.
  • Effective interactions govern the behavior of colloidal suspensions.

Purpose of the Study:

  • To investigate the effective interactions between a colloidal particle and a semipermeable membrane.
  • To compare these interactions with those involving a hard, nonpermeable wall.
  • To analyze the influence of membrane permeability and osmotic pressure on colloidal interactions.

Main Methods:

  • Modeling the colloid as a large hard sphere and the membrane as a permeable surface.
  • Employing density functional theory, including the Asakura-Oosawa approximation and White-Bear fundamental measure theory.

Related Experiment Videos

  • Utilizing statistical-mechanical sum rules for theoretical analysis.

    • Main Results:

    • Effective interactions with semipermeable membranes are generally weaker than with hard walls.
    • This effect is more pronounced at lower osmotic pressures.
    • Colloidal particles inside a semipermeable vesicle experience stronger depletion potentials than those outside.
    • Asymptotic decay of depletion potential mirrors the correlation function of the binary mixture.

    Conclusions:

    • Semipermeable membrane properties, including shape adaptability and specific interactions, are key factors in determining effective colloidal interactions.
    • The findings offer insights into controlling colloidal self-assembly and behavior in complex fluid environments.
    • Theoretical predictions are validated by explicit calculations, highlighting the importance of membrane characteristics.