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

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 the...
Colloids03:22

Colloids

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...
Colloids and Suspensions01:17

Colloids and Suspensions

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 visible to the naked eye or seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. The suspended particles in a suspension settle out after some time of mixing. The separation of particles from a suspension is...
Colloidal precipitates01:09

Colloidal precipitates

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...
Solubility03:00

Solubility

Solution, Solubility, and Solubility Equilibrium
A solution is a homogeneous mixture composed of a solvent, the major component, and a solute, the minor component. The physical state of a solution—solid, liquid, or gas—is typically the same as that of the solvent. Solute concentrations are often described with qualitative terms such as dilute (of relatively low concentration) and concentrated (of relatively high concentration).
In a solution, the solute particles (molecules, atoms, and/or ions)...
Coagulation01:06

Coagulation

Colloidal solids are solid particles suspended in solution. They are usually negatively charged, attracting a compact primary layer of positively charged ions, which attract more counterions to form an electrical double layer. Electrostatic repulsion between the charged double layers prevents the particles from colliding, stabilizing the colloids. These solids are often undesirable because they can contain toxins that are difficult to remove. Coagulation is a technique that helps aggregate and...

You might also read

Related Articles

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

Sort by
Same author

Endothelium-dependent vasodilation is augmented by angiotensin converting enzyme inhibitors in healthy volunteers.

Journal of cardiovascular pharmacology·1992
Same author

Primary mediastinal diffuse large cell lymphoma initially presented with pericardial infiltration.

Internal medicine (Tokyo, Japan)·1992
Same author

Suppressive effect of prostaglandin E1, but not prostacyclin, on ouabain-induced ventricular fibrillation in guinea-pigs.

Fukushima journal of medical science·1992
Same author

A lymphocyte-specific protein tyrosine kinase, p56lck, regulates the PMA-induced internalization of CD4.

Biochimica et biophysica acta·1992
Same author

Contact hypersensitivity reaction to ovalbumin in newborn guinea pigs from maternally sensitized animals.

Journal of dermatological science·1992
Same author

Relationship between plasma atrial and brain natriuretic peptide concentration and hemodynamic parameters during percutaneous transvenous mitral valvulotomy in patients with mitral stenosis.

American heart journal·1992

Related Experiment Video

Updated: Jul 12, 2026

Synthesis and Characterization of Supramolecular Colloids
09:26

Synthesis and Characterization of Supramolecular Colloids

Published on: April 22, 2016

Void structure in colloidal dispersions.

K Ito, H Yoshida, N Ise

    Science (New York, N.Y.)
    |January 7, 1994
    PubMed
    Summary

    Void structures in polymer latex dispersions grow over time, forming faster internally than at interfaces. This indicates void formation is intrinsic, not an artifact of the glass-dispersion boundary.

    Area of Science:

    • Polymer Science
    • Materials Science
    • Colloid Science

    Background:

    • Polymer latex dispersions are widely used in various applications.
    • Understanding the stability and structural evolution of these dispersions is crucial for their performance.
    • Homogeneous systems can exhibit complex internal dynamics.

    Purpose of the Study:

    • To investigate the time evolution of void structures in purified polymer latex dispersions.
    • To determine if void formation is influenced by the glass-dispersion interface.
    • To explore similar phenomena in other seemingly homogeneous systems.

    Main Methods:

    • Confocal laser scanning microscopy was employed to observe void structures in situ.
    • Highly purified polymer latex dispersions were used for the study.

    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

    Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy
    08:01

    Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy

    Published on: May 12, 2020

    Related Experiment Videos

    Last Updated: Jul 12, 2026

    Synthesis and Characterization of Supramolecular Colloids
    09:26

    Synthesis and Characterization of Supramolecular Colloids

    Published on: April 22, 2016

    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

    Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy
    08:01

    Fabrication of Zero Mode Waveguides for High Concentration Single Molecule Microscopy

    Published on: May 12, 2020

  • Dispersions were allowed to stand over time to observe structural changes.

    • Main Results:

    • Initially homogeneous polymer latex dispersions developed voids over time.
    • Void growth was observed to be faster in the bulk material compared to regions near the glass-dispersion interface.
    • Void formation was confirmed to be an intrinsic process, not an artifact of the interface.

    Conclusions:

    • Void formation in polymer latex dispersions is an inherent time-dependent process.
    • The glass-dispersion interface does not solely drive void formation.
    • Similar structural inhomogeneities may occur in other complex fluid systems like ionic solutions and films.