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

LETTER TO THE EDITOR

Forsman1, Woodward, Jönsson

  • 1Physical Chemistry 2, Chemical Center, Lund, S-221 00, Sweden

Journal of Colloid and Interface Science
|January 27, 1998
PubMed
Summary

Computer simulations reveal that hydrophilic surfaces generate repulsive solvation forces. Hydrophobic surfaces exhibit attractive forces, often dominated by solvent density depression between surfaces.

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

Demonstration of Dr Klapp's System of Exercises Devised for the Treatment of Scoliosis.

Transactions. Medico-Chirurgical Society of Edinburgh·2018
Same author

Linear stapled haemorrhoidectomy-an alternative to standard haemorrhoidectomy?

Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland·2013
Same author

Phenotypic biomonitoring using multivariate flow cytometric analysis of multi-stained microorganisms.

FEMS microbiology ecology·2001
Same author

Enantioselective reduction of prochiral ketones by catecholborane catalysed by chiral group 13 complexes

Chemistry (Weinheim an der Bergstrasse, Germany)·2000
Same author

Low to high spin-state transition induced by charge ordering in antiferromagnetic YBaCo2O5

Physical review letters·2000
Same author

First principles simulation of a ceramic /Metal interface with misfit

Physical review letters·2000

Area of Science:

  • Physical Chemistry
  • Computational Chemistry
  • Surface Science

Background:

  • Understanding solvation forces is crucial for explaining phenomena from protein folding to colloid stability.
  • The behavior of liquids confined between surfaces deviates significantly from bulk properties.
  • Distinguishing between hydrophilic and hydrophobic surface interactions is key in interfacial science.

Purpose of the Study:

  • To investigate the solvation force between planar surfaces in a model liquid.
  • To elucidate the contributions of surface-solvent interactions and solvent structure to the solvation force.
  • To differentiate the solvation forces for hydrophilic versus hydrophobic surfaces.

Main Methods:

  • Utilizing Monte Carlo computer simulations to model liquid behavior.
  • Employing free energy functional theory calculations for quantitative analysis.
  • Systematically varying surface properties (hydrophilic/hydrophobic) and interaction ranges.

Main Results:

  • Hydrophilic surfaces exhibit repulsive solvation forces when solvent-surface interactions are strong.
  • The range of surface-solvent interaction significantly impacts solvation force, more so than solvent orientational order.
  • Hydrophobic surfaces display attractive solvation forces, with density depression between surfaces substantially increasing attraction.
  • Density depression is a significant factor in hydrophobic forces, even at larger separations.

Conclusions:

  • Repulsive solvation forces are expected for solvophilic surfaces, even in less polar solvents.
  • The attractive force between hydrophobic surfaces is largely driven by solvent density depression.
  • The study clarifies the fundamental mechanisms behind solvation forces at interfaces.

Related Experiment Videos