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

Diffusion-controlled reactions: hydrodynamic interaction between charged, uniformly reactive spherical reactants.

Stuart Allison1

  • 1Department of Chemistry, Georgia State University, P.O. Box 4098, Atlanta, GA 30302-4098, USA.

The Journal of Physical Chemistry. A
|December 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

Electrophoretic Mobility of a Dilute, Highly Charged "Soft" Spherical Particle in a Charged Hydrogel.

The journal of physical chemistry. B·2016
Same author

Factors delaying chemotherapy for breast cancer in four urban and rural oncology units.

ANZ journal of surgery·2012
Same author

Conductivity and electrophoretic mobility of dilute ionic solutions.

Journal of colloid and interface science·2010
Same author

Electrokinetic modeling of metal oxides.

Journal of colloid and interface science·2008
Same author

The free solution electrophoretic mobility of peptides by a bead modeling methodology.

Journal of chromatography. A·2008
Same author

Brownian dynamics simulation of the diffusion of rods and wormlike chains in a gel modeled as a cubic lattice: application to DNA.

The journal of physical chemistry. B·2008

This study compares hydrodynamic interaction models for charged particle reactions. The electrophoretic (E-tensor) model best explains reaction rates, outperforming simpler models and ignoring interactions entirely.

Area of Science:

  • Physical Chemistry
  • Chemical Kinetics
  • Electrochemistry

Background:

  • Hydrodynamic interactions (HI) significantly influence diffusion-controlled reactions between charged particles.
  • Understanding these interactions is crucial for accurately modeling reaction kinetics in solution.

Purpose of the Study:

  • To evaluate and compare different models of hydrodynamic interaction (HI) for charged spherical particles.
  • To determine the most accurate model for describing diffusion-controlled reactions, specifically electron-transfer quenching.

Main Methods:

  • Examined Oseen "stick" and "slip" models for HI.
  • Introduced and analyzed an "E-tensor" model accounting for ion disturbance effects.
  • Applied models to the Ru(bpy)3(2+) and methyl viologen (MV2+) electron-transfer reaction kinetics across varying NaCl concentrations.

Related Experiment Videos

Main Results:

  • The "E-tensor" model demonstrated the best agreement with experimental salt dependence.
  • Ignoring HI completely resulted in the poorest prediction of reaction rates.
  • The Oseen "stick" and "slip" models provided intermediate accuracy.

Conclusions:

  • The "E-tensor" model, incorporating electrophoretic effects, is superior for describing HI in charged particle reactions.
  • Accurate modeling of HI is essential for predicting reaction kinetics, with simpler models being less effective.