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Colloids

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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...

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Related Experiment Video

Updated: May 8, 2026

Detergent-free Ultrafast Reconstitution of Membrane Proteins into Lipid Bilayers Using Fusogenic Complementary-charged Proteoliposomes.

Detergent-free Ultrafast Reconstitution of Membrane Proteins into Lipid Bilayers Using Fusogenic Complementary-charged Proteoliposomes.

Published on: April 5, 2018

A Simple and Rapid Spontaneous Emulsification System for Highly Stable Emulsions.

Jingwen Luo¹, Lei Sun², Shiming Zhang²

¹Key Laboratory of Advanced Light Conversion Materials and Biophotonics, School of Chemistry and Life Resources, Renmin University of China, Beijing, China.

Chemistry, an Asian Journal

|May 6, 2026

Summary

This summary is machine-generated.

This study introduces a low-energy, rapid emulsification system. A neutralization reaction drives spontaneous emulsion formation and stabilization, yielding highly stable emulsions.

Keywords:

highly stable emulsions interfacial neutralization reaction spontaneous emulsification

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Published on: July 27, 2022

Area of Science:

Colloid and Surface Science
Materials Chemistry

Background:

Emulsions are crucial for many applications but are thermodynamically unstable.
Traditional methods require high energy input and emulsifier concentrations for stability.

Purpose of the Study:

To develop a simple, rapid, and low-energy emulsification system.
To achieve highly stable emulsions through a reaction-driven approach.

Main Methods:

Utilized a neutralization reaction between fatty acids and triethylamine for spontaneous emulsification.
Employed interfacial measurements, viscoelastic characterization, and molecular dynamics (MD) simulations.
Investigated the role of reaction products in stabilizing emulsion droplets.

Main Results:

Demonstrated spontaneous emulsion formation driven by chemical reaction.
Reaction products effectively stabilized emulsion droplets at water-oil interfaces.
Achieved superior emulsifying effect and improved emulsion stability compared to pre-formed salts.

Conclusions:

The reaction-driven emulsification strategy offers a novel and efficient method for preparing stable emulsions.
This approach provides a new pathway for spontaneous emulsification.
The system is straightforward, rapid, and energy-efficient.