Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Colloids

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...

You might also read

Related Articles

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

Sort by

Same author

Particle Size-Driven Transition from Multilayer Aggregates to Ordered Monolayers at Gas Marble Interfaces.

Langmuir : the ACS journal of surfaces and colloids·2026

Same author

Programmable somatosensory soft robots.

Npj flexible electronics·2026

Same author

Supraparticles with Enhanced Mechanical and Signal Stability for Identification of Objects.

ACS applied nano materials·2026

Same author

Enzyme-induced mineralization of calcium carbonate in 3D printable granular hydrogels.

Advanced composites and hybrid materials·2026

Same author

Quantifying Polydopamine Shell Hydration in Core-Shell Colloids by Analytical Ultracentrifugation: Implications for Self-Assembly and Structural Color of Photonic Crystals.

Langmuir : the ACS journal of surfaces and colloids·2026

Same author

Emission enhancement of colloidal quantum dots confined in double disc nano-antennas with controlled opening.

Nanoscale·2025

Same journal

Bioinspired Electrostatic-Field Perturbated Sensing for General Material Noncontact Perception.

Advanced materials (Deerfield Beach, Fla.)·2026

Same journal

Engineering Layered Magnetic Hydrogels for Cell Placement via Shear and Magnetic Field-Induced Assembly.

Advanced materials (Deerfield Beach, Fla.)·2026

Same journal

Interfacial Acid Sites-Mediated ZnO-Based Electrocatalysts for Sustainable Dual-Pathway H<sub>2</sub>O<sub>2</sub> Production and Rechargeable Zn-H<sub>2</sub>O<sub>2</sub> Electrochemical Cell.

Advanced materials (Deerfield Beach, Fla.)·2026

Same journal

Zein-Ceria Hybrid Microparticles Enable Long-Term ROS-Scavenging Oxygenation for Osteogenic Microtissues Engineering.

Advanced materials (Deerfield Beach, Fla.)·2026

Same journal

Toward Practical Solid-State Lithium Batteries With High-Nickel Cathodes: An Interface-Centered Perspective.

Advanced materials (Deerfield Beach, Fla.)·2026

Same journal

A Planarity-Hindrance Co-Balance Strategy to Develop Antiparallel H-Aggregates With Minimal Absorbance Blueshift for Type I Photodynamic Therapy.

Advanced materials (Deerfield Beach, Fla.)·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Oct 15, 2025

Double Emulsion Generation Using a Polydimethylsiloxane PDMS Co-axial Flow Focus Device

Double Emulsion Generation Using a Polydimethylsiloxane PDMS Co-axial Flow Focus Device

Published on: December 25, 2015

Tailored Double Emulsions Made Simple.

Junwei Wang¹, Simon Hahn¹, Esther Amstad²

¹Institute of Particle Technology, Friedrich-Alexander University Erlangen-Nürnberg, 91058, Erlangen, Germany.

Advanced Materials (Deerfield Beach, Fla.)

|October 27, 2021

Summary

This summary is machine-generated.

A new vortex mixer method simplifies creating water-in-oil-in-water double emulsions. This technique offers high yields of uniform droplets for research and applications, making complex emulsions accessible to more scientists.

Keywords:

double emulsions microfluidics structural color supraparticles two-step emulsification

More Related Videos

Particle Templated Emulsification enables Microfluidic-Free Droplet Assays

Particle Templated Emulsification enables Microfluidic-Free Droplet Assays

Published on: March 9, 2021

Self-Nanoemulsification of Healthy Oils to Enhance the Solubility of Lipophilic Drugs

Self-Nanoemulsification of Healthy Oils to Enhance the Solubility of Lipophilic Drugs

Published on: July 27, 2022

Related Experiment Videos

Last Updated: Oct 15, 2025

Double Emulsion Generation Using a Polydimethylsiloxane PDMS Co-axial Flow Focus Device

Double Emulsion Generation Using a Polydimethylsiloxane PDMS Co-axial Flow Focus Device

Published on: December 25, 2015

Particle Templated Emulsification enables Microfluidic-Free Droplet Assays

Particle Templated Emulsification enables Microfluidic-Free Droplet Assays

Published on: March 9, 2021

Self-Nanoemulsification of Healthy Oils to Enhance the Solubility of Lipophilic Drugs

Self-Nanoemulsification of Healthy Oils to Enhance the Solubility of Lipophilic Drugs

Published on: July 27, 2022

Area of Science:

Materials Science
Colloid and Interface Science
Chemical Engineering

Background:

Double emulsions (e.g., water-in-oil-in-water) are crucial for research and technology.
Current methods using microfluidics are complex and limit accessibility.

Purpose of the Study:

To develop a simple, high-yield method for producing well-defined double emulsions.
To broaden the accessibility of tailored double emulsion fabrication.

Main Methods:

A two-step emulsification process using a standard vortex mixer.
Leveraging density differences for controlled droplet formation.
Characterization of droplet size and shell thickness.

Main Results:

Achieved high yields of single-core double emulsions with core diameters <10 μm and shells <1 μm.
Demonstrated scalability to multishell and multicore emulsions.
Successfully produced uniform colloidal supraparticles with structural color.

Conclusions:

The vortex mixing method provides a cost-effective and accessible alternative to microfluidics.
This technique democratizes the production of advanced double emulsions.
Enables wider applications in materials science and beyond.