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

Soret effect in interacting micellar solutions.

Roberto Piazza1, Andrea Guarino

  • 1INFM-Politecnico di Milano, Dipartimento di Ingegneria Nucleare, via Ponzio 34/3, 20133 Milano, Italy. roberto.piazza@polini.it

Physical Review Letters
|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

Short- and Mid-Term Outcomes of Fixed-Dose Tramadol/Paracetamol in Early-Stage Symptomatic Knee Osteoarthritis: A Single-Center Retrospective Observational Extension Study.

Life (Basel, Switzerland)·2026
Same author

Choline Alfoscerate in the Treatment of Subthreshold Depression in the Elderly: A Pilot Study (CARTESIO).

Journal of clinical medicine·2026
Same author

Prophylactic embolization of the Corona mortis in a patient with multiple pelvic fractures: a tool to avoid perioperative bleeding?

CVIR endovascular·2026
Same author

Evaluating the effectiveness of oral phlebotonics for the conservative management of hemorrhoidal disease: insights from the VIVI2022/01/VIVALDI study.

Frontiers in surgery·2026
Same author

Real-world effectiveness of a phlebotonic formulation combining diosmin, Ruscus, Melilotus and Vitis vinifera on symptoms and quality of life in patients with chronic venous and lymphatic disease: results from the VIVEMA Stasis observational study.

Drugs in context·2026
Same author

Evaluation of tramadol/paracetamol 75 mg/650 mg combination therapy for early-stage knee osteoarthritis: a retrospective observational study.

Reumatismo·2025
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

Electrostatic effects significantly impact charged micelle thermal diffusion. Ionic strength and collective effects alter the Soret coefficient, explained by an interfacial tension mechanism for disperse systems.

Area of Science:

  • Physical Chemistry
  • Colloid Science
  • Thermodynamics

Background:

  • Charged micelles exhibit complex behavior in solution.
  • Thermal diffusion (Soret effect) is crucial for understanding transport phenomena in solutions.
  • Electrostatic interactions play a significant role in micellar systems.

Purpose of the Study:

  • To investigate the influence of electrostatic effects on the thermal diffusion of charged micelles.
  • To elucidate the relationship between ionic strength, Debye-Hückel length, and the Soret coefficient.
  • To develop a unified model for thermal diffusion in disperse systems.

Main Methods:

  • Experimental measurements of the Soret coefficient for charged micelle solutions.
  • Varying solution ionic strength to probe electrostatic effects.

Related Experiment Videos

  • Theoretical modeling based on interfacial tension mechanisms.

    • Main Results:

    • The Soret coefficient strongly decreases with increasing ionic strength in the dilute regime.
    • A scaling relationship with the square of the Debye-Hückel length was observed.
    • Collective effects lead to a reversed scenario at higher surfactant concentrations.
    • Ruckenstein's interfacial tension mechanism explains single-particle behavior and collective effects.

    Conclusions:

    • Electrostatic interactions are a primary driver of thermal diffusion in charged micelle solutions.
    • The proposed interfacial tension model provides a general framework for understanding thermal diffusion in disperse systems.
    • This work offers insights into the thermodiffusive transport of colloidal particles.