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 Concept Videos

The Colloidal State01:29

The Colloidal State

97
The formation of a colloidal system is exemplified by an aqueous solution containing Cl− ions is introduced to another containing Ag+ ions, resulting in the precipitation of solid AgCl as extremely tiny crystals. Instead of settling out as a filterable precipitate, these crystals remain suspended in the liquid, showcasing a colloidal system.A colloidal system involves colloidal particles within the approximate range of 1 to 1000 nm in at least one dimension, dispersed in a medium called...
97
Hydrostatic Pressure Force on a Curved Surface01:04

Hydrostatic Pressure Force on a Curved Surface

2.7K
Hydrostatic pressure on curved surfaces is a fundamental concept in fluid mechanics with broad applications in the civil engineering field. When fluid is in contact with a curved surface, as in a reservoir, dam, or storage tank, it exerts pressure that varies in magnitude and direction along the curved surface. To assess the total hydrostatic force exerted by the fluid on a curved structure, engineers typically isolate the fluid volume adjacent to the surface and analyze the forces acting on...
2.7K
Colloidal precipitates01:09

Colloidal precipitates

6.8K
The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...
6.8K
Colloids03:22

Colloids

22.0K
Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles that are visible to the naked eye or can be seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. On the other hand, a solution is a homogeneous mixture in which no settling occurs and in which the dissolved...
22.0K
Hydrostatic Pressure Force on a Plane Surface01:04

Hydrostatic Pressure Force on a Plane Surface

2.9K
When a plane surface is submerged in a fluid, hydrostatic forces develop on the surface due to the fluid's pressure. For horizontal surfaces, the pressure exerted by the fluid is uniform because the depth remains constant. The resultant force is determined by the pressure at the given depth multiplied by the area of the surface, and it acts through the centroid of the surface. For vertical surfaces, the pressure varies with depth, increasing as the distance from the fluid's free surface...
2.9K
Pressure of Fluids01:14

Pressure of Fluids

22.5K
There are many examples of pressure in fluids in everyday life, such as in relation to blood (high or low blood pressure) and in relation to weather (high- and low-pressure weather systems). A given force can have a significantly different effect, depending on the area over which the force is exerted. For instance, a force applied to an area of 1 mm2 has a pressure that is 100 times greater than the same force applied to an area of 1 cm2. That's why a sharp needle is able to poke through...
22.5K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

First Direct Measurement of the 64.5 keV Resonance Strength in the ^{17}O(p,γ)^{18}F Reaction.

Physical review letters·2024
Same author

Clarifying the radiative decay of the Hoyle state with charged-particle spectroscopy.

Scientific reports·2024
Same author

Time to be seen and heard: Including children's and adolescents' voices in the South African TB response.

South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde·2024
Same author

Behavioural intervention to promote the uptake of planned care in urgent dental care attenders: a feasibility randomised controlled trial.

BMC oral health·2024
Same author

Comparing intervention measures in a model of a disease outbreak on a university campus.

Royal Society open science·2023
Same author

Proton-Capture Rates on Carbon Isotopes and Their Impact on the Astrophysical ^{12}C/^{13}C Ratio.

Physical review letters·2023
Same journal

Erratum: Low-dimensional model for adaptive networks of spiking neurons [Phys. Rev. E 111, 014422 (2025)].

Physical review. E·2026
Same journal

Disentangling the effects of many-body forces on depletion interactions.

Physical review. E·2026
Same journal

Charge transport and mode transition in dual-energy electron beam diodes.

Physical review. E·2026
Same journal

Optimization of multisite reactions in complex compartmentalized media.

Physical review. E·2026
Same journal

Origin of geometric cohesion in nonconvex granular materials: Interplay between interdigitation and rotational constraints enhancing frictional stability.

Physical review. E·2026
Same journal

Interaction of walkers with a standing Faraday wave.

Physical review. E·2026
See all related articles

Related Experiment Video

Updated: Mar 24, 2026

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy
13:15

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy

Published on: July 18, 2014

11.6K

Surface forces between colloidal particles at high hydrostatic pressure.

D W Pilat1, B Pouligny2, A Best1

  • 1Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.

Physical Review. E
|March 18, 2016
PubMed
Summary
This summary is machine-generated.

High hydrostatic pressure does not significantly alter electrostatic double-layer forces between colloidal particles. Our study found minimal changes in Debye length and no pressure dependency in zeta potentials for glass surfaces in water.

More Related Videos

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
10:56

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

12.6K
Measuring the Interaction Force Between a Droplet and a Super-hydrophobic Substrate by the Optical Lever Method
07:18

Measuring the Interaction Force Between a Droplet and a Super-hydrophobic Substrate by the Optical Lever Method

Published on: June 14, 2019

7.1K

Related Experiment Videos

Last Updated: Mar 24, 2026

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy
13:15

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy

Published on: July 18, 2014

11.6K
Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
10:56

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

12.6K
Measuring the Interaction Force Between a Droplet and a Super-hydrophobic Substrate by the Optical Lever Method
07:18

Measuring the Interaction Force Between a Droplet and a Super-hydrophobic Substrate by the Optical Lever Method

Published on: June 14, 2019

7.1K

Area of Science:

  • Colloid and Surface Science
  • Physical Chemistry
  • Fluid Dynamics

Background:

  • Electrostatic double-layer forces are crucial for colloidal particle interactions.
  • High hydrostatic pressure, found in deep-sea environments and during oil recovery, may affect these forces.
  • Understanding pressure effects is vital for predicting colloidal behavior in extreme conditions.

Purpose of the Study:

  • To investigate the influence of high hydrostatic pressure on electrostatic double-layer forces.
  • To quantify changes in Debye length and zeta potential of glass surfaces in water under pressure.
  • To determine if electrostatic interactions weaken at pressures up to 1 kbar.

Main Methods:

  • Utilized a specialized optical trapping setup for precise measurements.
  • Measured bead-wall interactions with subnanometer resolution at pressures up to 1 kbar.
  • Determined Debye lengths in water at 0.1 and 1 mM salt concentrations.

Main Results:

  • Observed minimal variation (<1 nm) in Debye lengths across the pressure range (1 bar to 1 kbar) for both salt concentrations.
  • Found no significant pressure dependency for the zeta potentials of glass surfaces in water.
  • Electrostatic double-layer forces showed resilience to applied hydrostatic pressure.

Conclusions:

  • High hydrostatic pressure has a negligible effect on the electrostatic double-layer force between glass particles and surfaces in water.
  • Debye length and zeta potential remain largely constant under pressures relevant to deep-sea and oil recovery conditions.
  • The electrostatic double-layer force is robust and does not weaken significantly at high hydrostatic pressures.