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

The Donnan model derived from microstructure

P J Basser1, A J Grodzinsky

  • 1Biomedical Engineering and Instrumentation Program, NIH, Bethesda, MD 20892.

Biophysical Chemistry
|February 1, 1993
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

UNITY: A low-field magnetic resonance neuroimaging initiative to characterize neurodevelopment in low and middle-income settings.

Developmental cognitive neuroscience·2024
Same author

Nonuniformity in Periodontal Ligament: Mechanics and Matrix Composition.

Journal of dental research·2020
Same author

Dexamethasone: chondroprotective corticosteroid or catabolic killer?

European cells & materials·2019
Same author

Physical inactivity and knee osteoarthritis in guinea pigs.

Osteoarthritis and cartilage·2019
Same author

A novel MRI phantom to study interstitial fluid transport in the glymphatic system.

Magnetic resonance imaging·2018
Same author

Sustained intra-cartilage delivery of low dose dexamethasone using a cationic carrier for treatment of post traumatic osteoarthritis.

European cells & materials·2017
Same journal

Machine learning-driven identification of pan-PI3K inhibitors: A hybrid virtual screening approach combining naïve Bayesian classification, pharmacophore modeling, and consensus scoring-based molecular docking.

Biophysical chemistry·2026
Same journal

Optimizing grid preparation methods for TEM imaging of amyloid-forming proteins.

Biophysical chemistry·2026
Same journal

Biogenic reduction mechanisms in iron oxide nanoparticle synthesis: Strategies to mitigate microbial resistance.

Biophysical chemistry·2026
Same journal

Novel Pennisetum Alopecuroides-derived activated carbon for high-efficiency Tartrazine Removal: Box-Behnken optimization and DFT-assisted mechanistic insights.

Biophysical chemistry·2026
Same journal

Reactive molecular dynamics investigation of the first steps of coronavirus (COVID-19) viral-protein ligands fragment (SARS-CoV-2).

Biophysical chemistry·2026
Same journal

Probing the interactions between bovine hemoglobin and three berberine saturated fatty acid salts by multi-spectral techniques, conductimetry and molecular docking.

Biophysical chemistry·2026
See all related articles

The Donnan potential approximates Poisson-Boltzmann equations for charged plates, unifying electrostatic repulsion models across length scales. This approximation is most accurate at low ionic strength.

Area of Science:

  • Physical Chemistry
  • Electrochemistry
  • Materials Science

Background:

  • Ionized polyelectrolyte media exhibit electrostatic repulsion due to fixed charges.
  • Existing models like Donnan and Poisson-Boltzmann describe these interactions at different scales.

Purpose of the Study:

  • To demonstrate that the Donnan potential is an approximate solution to the Poisson-Boltzmann equations for charged plates.
  • To unify macrocontinuum, thermodynamic, and statistical mechanical models of electrostatic repulsion.

Main Methods:

  • Homogenization and scaling methods were employed.
  • Analysis of a periodic array of charged plates in an electrolyte bath.

Main Results:

  • The Donnan potential accurately approximates the Poisson-Boltzmann solution under specific conditions.

Related Experiment Videos

  • Established a framework connecting microscopic and macroscopic theories of electrostatic repulsion.
  • Identified limitations of the Donnan approximation at higher ionic strengths.

    • Conclusions:

    • The Donnan potential and Poisson-Boltzmann models describe the same electrostatic repulsion phenomenon.
    • The validity of the Donnan approximation is dependent on ionic strength and Debye length relative to plate separation.