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...
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...

You might also read

Related Articles

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

Sort by
Same author

Evolutionary Tree for All Bumblebee Species World-Wide Estimated by Combining Information from Fast-Evolving Genes, Slow-Evolving Genes, and Genomic Data (Apidae, <i>Bombus</i>).

Insects·2026
Same author

Metal-Organic Framework as a Bioorthogonal Catalyst for Gene Editing.

Journal of the American Chemical Society·2026
Same author

Dietary niche partitioning and convergent gut microbiota in sympatric <i>Vespa</i>.

Frontiers in microbiology·2026
Same author

Marine Saliency Segmenter: Object-Focused Conditional Diffusion With Region-Level Semantic Knowledge Distillation.

IEEE transactions on image processing : a publication of the IEEE Signal Processing Society·2026
Same author

Conformal graphene coatings on ordinary fabrics for wearable electronic devices.

Nature communications·2026
Same author

Intelligent Bio-MOF Nanozymes With Dual Antibacterial and Antioxidant Capabilities Through pH-Modulated Double Cascade Reactions for Anti-Fibrosis.

Advanced healthcare materials·2026
Same journal

Radical Cascades on Seawater Microdroplets Drive Atmospheric Mercury Oxidation.

Journal of the American Chemical Society·2026
Same journal

Superior Selective and Fast NH<sub>3</sub> Adsorption of Soft Porous MOF/Ionic Liquid Composites with Ordering Phase Transitions.

Journal of the American Chemical Society·2026
Same journal

Systematic Catalyst Variation for Improved Stereoselective Epoxide Polymerization: Subtle Modifications Resulting in Superior Efficiency.

Journal of the American Chemical Society·2026
Same journal

Deciphering the Halide Chemistry of Cl<sup>-</sup> and Br<sup>-</sup> in Enhancing Kinetics of Mg Plating/Stripping.

Journal of the American Chemical Society·2026
Same journal

Electrosynthesis of C<sub>6</sub> Chemicals by Propylene Oxidative Coupling on Au Surface.

Journal of the American Chemical Society·2026
Same journal

Statistical AI Enables Precise Screening of Multielement Catalysts.

Journal of the American Chemical Society·2026
See all related articles

Related Experiment Video

Updated: Jun 6, 2026

Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions
08:57

Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions

Published on: July 3, 2025

Graphene oxide nanocolloids.

Jiayan Luo1, Laura J Cote, Vincent C Tung

  • 1Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States.

Journal of the American Chemical Society
|November 26, 2010
PubMed
Summary
This summary is machine-generated.

Synthesized graphene oxide (GO) nanocolloids offer superior colloidal stability and surface activity compared to regular GO. This nano GO acts as an enhanced dispersing agent for insoluble materials in aqueous solutions.

More Related Videos

Synthesis of Graphene Nanofluids with Controllable Flake Size Distributions
07:32

Synthesis of Graphene Nanofluids with Controllable Flake Size Distributions

Published on: July 17, 2019

Visible-light Induced Reduction of Graphene Oxide Using Plasmonic Nanoparticle
07:24

Visible-light Induced Reduction of Graphene Oxide Using Plasmonic Nanoparticle

Published on: September 22, 2015

Related Experiment Videos

Last Updated: Jun 6, 2026

Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions
08:57

Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions

Published on: July 3, 2025

Synthesis of Graphene Nanofluids with Controllable Flake Size Distributions
07:32

Synthesis of Graphene Nanofluids with Controllable Flake Size Distributions

Published on: July 17, 2019

Visible-light Induced Reduction of Graphene Oxide Using Plasmonic Nanoparticle
07:24

Visible-light Induced Reduction of Graphene Oxide Using Plasmonic Nanoparticle

Published on: September 22, 2015

Area of Science:

  • Materials Science
  • Nanotechnology
  • Colloid Science

Background:

  • Graphene oxide (GO) is typically synthesized from graphite powders, resulting in sheets with broad size distribution.
  • Micrometer-sized GO sheets exhibit limitations in colloidal stability and surface activity in aqueous dispersions.
  • Controlling the size and properties of GO is crucial for advanced applications.

Purpose of the Study:

  • To synthesize uniform graphene oxide (GO) nanocolloids with lateral dimensions under 100 nm.
  • To investigate the solution properties, particularly colloidal stability and surface activity, of nano GO compared to regular GO.
  • To evaluate the potential of nano GO as a dispersing agent for insoluble materials.

Main Methods:

  • Chemical exfoliation of graphite nanofibers to produce GO nanocolloids.
  • Tuning GO nanocolloid size through controlled oxidation time.
  • Characterization of spectroscopic, chemical, and solution properties of nano GO and regular GO.
  • Assessment of colloidal stability under high-speed centrifugation and after chemical reduction.

Main Results:

  • Uniform GO nanocolloids (lateral dimension < 100 nm) were successfully synthesized from graphite nanofibers.
  • Nano GO exhibits significantly enhanced colloidal stability and surface activity compared to micrometer-sized GO.
  • Aqueous GO nanocolloid dispersions remained stable after high-speed centrifugation and chemical reduction.
  • Nano GO demonstrated superior performance as a dispersing agent for insoluble materials like carbon nanotubes.

Conclusions:

  • Graphene oxide nanocolloids synthesized from graphite nanofibers offer improved uniformity and stability.
  • The unique properties of nano GO, stemming from higher charge density, make it a superior dispersing agent.
  • Nano GO holds promise for creating stable colloidal dispersions of various insoluble materials in water.