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Micelles

Micelles

Micelle formation is an intricate process that hinges on the properties of amphiphilic or amphipathic molecules and the conditions of the system in which they are found. Amphiphilic molecules, which have both hydrophilic (water-attracting) and hydrophobic (water-repelling) parts, play a critical role in this process.In aqueous environments, these molecules arrange themselves such that their hydrophilic heads are turned towards the water phase, while their hydrophobic tails are oriented away...

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Updated: Jul 17, 2026

Facile Preparation of Internally Self-assembled Lipid Particles Stabilized by Carbon Nanotubes

Facile Preparation of Internally Self-assembled Lipid Particles Stabilized by Carbon Nanotubes

Published on: February 19, 2016

Modeling for nanoparticle-stabilized, robust small-domain bicontinuous emulsions.

Zi-Yi Li¹, You-Liang Zhu¹, Zhong-Yuan Lu¹

¹State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China.

The Journal of Chemical Physics

|December 1, 2025

Summary

Bicontinuous emulsion gels offer large interfacial areas for reactions. Nanoparticle-polymer surfactants create more stable gels than Janus nanoparticles, enhancing microreactor performance.

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Area of Science:

Materials Science
Chemical Engineering
Colloid Science

Background:

Bicontinuous emulsion gels are promising for interfacial microreactors due to large interfacial areas.
Structural stability, balancing small domain sizes with mechanical strength, is a key challenge.
Existing surfactants face trade-offs between interfacial energy reduction and domain size minimization.

Purpose of the Study:

To compare the structural evolution and properties of bicontinuous emulsion gels formed by two distinct surfactant systems.
To evaluate the suitability of nanoparticle-polymer (NP-PL) surfactants versus Janus nanoparticle (Janus NP) surfactants for microreactor applications.
To identify strategies for optimizing gel stability and performance in microreactors.

Main Methods:

Coarse-grained molecular dynamics simulations were employed to model and analyze gel structures.
Two surfactant systems were investigated: in situ-formed NP-PL surfactants and Janus NPs.
Gel properties, including domain size, structural evolution, and stability, were compared.

Main Results:

Both NP-PL surfactants and Janus NPs enabled small domain sizes (approximately 200 nm), reducible with increased concentration.
Some Janus NPs formed non-contributory micelle-like structures, impacting network formation.
NP-PL surfactants resulted in gels with superior thermal and kinetic stability compared to Janus NPs.

Conclusions:

NP-PL surfactants provide a more robust and stable platform for bicontinuous emulsion gels in microreactor applications.
Understanding surfactant-specific structural pathways is crucial for designing stable, high-performance microreactors.
This research offers insights into optimizing emulsion gel design for enhanced interfacial reaction engineering.