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

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...
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...
Washing, Drying, and Ignition of Precipitates00:52

Washing, Drying, and Ignition of Precipitates

After filtration, the precipitate is washed to remove coprecipitated impurities and any remaining mother liquor. Colloidal precipitates, such as silver chloride, are washed with an electrolyte (such as dilute nitric acid) to prevent the peptization of the precipitate. In the case of slightly soluble precipitates, the wash solution contains a common ion to reduce solubility. Lead sulfate, which is slightly soluble in water, is washed with dilute sulfuric acid. Similarly, wash solutions may be...
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...
Preparation of Samples for Electron Microscopy01:20

Preparation of Samples for Electron Microscopy

To be visualized by an electron microscope, either transmission or scanning, biological samples need to be fixed (stabilized) so the electron beam does not destroy them and dried thoroughly (desiccated/dehydrated) so the vacuum does not affect them. Fixation needs to be done as quickly as possible because the sample properties will start changing as soon as it is removed from its natural environment. For example, in a tissue sample, the oxygen levels begin decreasing, causing an altered...

You might also read

Related Articles

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

Sort by
Same author

Bioinspired cross-aligned multilayered nanocellulose films through shear-induced orientation.

Journal of colloid and interface science·2026
Same author

Optimizing probes for multi-beam ptychography.

Optics express·2026
Same author

Crack patterns of black ink film: sumi-wari.

Soft matter·2026
Same author

Correction to "Arabinoxylan in Water through SANS: Single Chain Conformation, Chain Overlap, and Clustering".

Biomacromolecules·2025
Same author

Star-Like Thermoresponsive Microgels as an Emerging Class of Soft Nanocolloids.

ACS nano·2025
Same author

Defining the Conformation of Water-Soluble Poly(vinyl alcohol) in Solution: A SAXS, DLS, and AFM Study.

ACS omega·2025
Same journal

Laser-Assisted Electrochemical Deposition of Bilateral Au Coatings on Ni Foils: Mechanism and Experimental Study.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Mechanistic Insights into Pulmonary Surfactant Inactivation.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

MPN-GE Bilayer Interphase Construction: Green Modification Derived from Biomass and Synergistic Enhancement of CFRP.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Magnetically Retrievable Core@Shell Nanocomposites for Rare Earth Element Adsorption: Experimental and Machine Learning Insights.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Microstreaming of a Pneumatically Controlled Bubble under Hydrostatic Pressure and Crossflow.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Tuning Pore Sizes of Core-Shell Dendritic Mesoporous Silica Nanoparticles for Efficient Loading of Functional Materials.

Langmuir : the ACS journal of surfaces and colloids·2026
See all related articles

Related Experiment Video

Updated: May 27, 2026

Development of Efficient OLEDs from Solution Deposition
07:09

Development of Efficient OLEDs from Solution Deposition

Published on: November 4, 2022

Drying dip-coated colloidal films.

Joaquim Li1, Bernard Cabane, Michael Sztucki

  • 1PMMH, CNRS UMR 7636, ESPCI, 10 rue Vauquelin, 75231 Paris Cedex 05, France.

Langmuir : the ACS Journal of Surfaces and Colloids
|November 8, 2011
PubMed
Summary
This summary is machine-generated.

This study uses small-angle X-ray scattering to observe lateral drying in thin silica films. Unlike coffee-stain drying, particle flow is prevented, resulting in a homogeneous deposit due to a unique transition region.

More Related Videos

Fabrication of Large-area Free-standing Ultrathin Polymer Films
10:08

Fabrication of Large-area Free-standing Ultrathin Polymer Films

Published on: June 3, 2015

Reactive Vapor Deposition of Conjugated Polymer Films on Arbitrary Substrates
07:32

Reactive Vapor Deposition of Conjugated Polymer Films on Arbitrary Substrates

Published on: January 17, 2018

Related Experiment Videos

Last Updated: May 27, 2026

Development of Efficient OLEDs from Solution Deposition
07:09

Development of Efficient OLEDs from Solution Deposition

Published on: November 4, 2022

Fabrication of Large-area Free-standing Ultrathin Polymer Films
10:08

Fabrication of Large-area Free-standing Ultrathin Polymer Films

Published on: June 3, 2015

Reactive Vapor Deposition of Conjugated Polymer Films on Arbitrary Substrates
07:32

Reactive Vapor Deposition of Conjugated Polymer Films on Arbitrary Substrates

Published on: January 17, 2018

Area of Science:

  • Materials Science
  • Colloid Science
  • Soft Matter Physics

Background:

  • Lateral drying of colloidal films is crucial for material deposition.
  • Understanding particle behavior during drying prevents non-uniform deposits.

Purpose of the Study:

  • To investigate the particle dynamics during lateral drying in thin silica films.
  • To elucidate the mechanisms behind homogeneous deposit formation.

Main Methods:

  • Small-angle X-ray scattering (SAXS) to monitor particle ordering, volume fraction, and water content.
  • Video imaging to track solid region formation during evaporation.
  • Controlled dip-coating of aqueous silica dispersions on mica.

Main Results:

  • Silica particles concentrated, jammed, and aggregated during drying.
  • A cohesive wet solid formed, followed by water evacuation, leaving residual water.
  • Particle number conservation was observed in film spots, indicating no particle flow.
  • Drying completed within 3 minutes, forming a homogeneous deposit.

Conclusions:

  • Lateral drying in these silica films results in homogeneous deposits without particle flow.
  • A transition region ahead of the drying front, balancing osmotic pressure and capillary drag, explains the lack of particle movement.
  • This behavior contrasts with the 'coffee-stain' effect seen in other drying colloidal systems.