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

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...

Surface Active Agents

Surface Active Agents

Surfactants, named for their behavior at interfaces, positively adsorb at the interfaces of two phases, reducing interfacial tension. Their versatility as emulsifiers, detergents, and foaming agents stems from this ability. Surfactants, often termed amphiphiles, share the property of amphipathy, with molecules having both hydrophilic and hydrophobic portions. The hydrophilic part is called the head, and the hydrophobic part, including an elongated alkyl substituent, forms the tail.Surfactants...

You might also read

Related Articles

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

Sort by

Same author

Upper storage-capacity limit and multiple occupancy phenomena in H<sub>2</sub><b>-</b>hydroquinone clathrates using Monte Carlo and DFT simulations.

Physical chemistry chemical physics : PCCP·2024

Same author

Tunable gap in stable arsenene nanoribbons opens the door to electronic applications.

RSC advances·2022

Same author

Density functional theory of alkali metals at the IL/graphene electrochemical interface.

The Journal of chemical physics·2022

Same author

Influence of Dodecylsulfate Adsorption on the Stability of Cerium Oxide Nanoparticle-Based Colloidal Aqueous Dispersions.

Langmuir : the ACS journal of surfaces and colloids·2020

Same author

Progression to colectomy in the era of biologics: A single center experience with pediatric ulcerative colitis.

Journal of pediatric surgery·2020

Same author

Transport Properties of Li-TFSI Water-in-Salt Electrolytes.

The journal of physical chemistry. B·2019

Search research articles

Related Experiment Video

Updated: Jun 1, 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

Surfactant self-assembly nanostructures in protic ionic liquids.

B Fernández-Castro¹, T Méndez-Morales, J Carrete

¹Departamento de Física de la Materia Condensada, Universidade de Santiago de Compostela, Santiago de Compostela, Spain.

The Journal of Physical Chemistry. B

|June 9, 2011

Summary

This summary is machine-generated.

Surfactants form self-assembled micellar structures in protic ionic liquids, driven by entropy. Alkyl chain length and counterion identity influence micelle formation, following established laws.

More Related Videos

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

Published on: May 9, 2014

Self-Assembly of Hybrid Lipid Membranes Doped with Hydrophobic Organic Molecules at the Water/Air Interface

Self-Assembly of Hybrid Lipid Membranes Doped with Hydrophobic Organic Molecules at the Water/Air Interface

Published on: May 1, 2020

Related Experiment Videos

Last Updated: Jun 1, 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

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates

Published on: May 9, 2014

Self-Assembly of Hybrid Lipid Membranes Doped with Hydrophobic Organic Molecules at the Water/Air Interface

Self-Assembly of Hybrid Lipid Membranes Doped with Hydrophobic Organic Molecules at the Water/Air Interface

Published on: May 1, 2020

Area of Science:

Colloid and Surface Science
Physical Chemistry
Materials Science

Background:

Surfactant self-assembly is fundamental in various chemical processes.
Ionic liquids (ILs) offer unique solvent properties for self-assembly studies.
Understanding mesoscopic structures in ILs is crucial for novel applications.

Purpose of the Study:

To investigate the formation and properties of surfactant-based mesoscopic self-assembly structures.
To explore the influence of alkyl chain length and counterions on micellization in protic ionic liquids.
To determine the thermodynamic driving forces behind micelle formation in these systems.

Main Methods:

Surface tension measurements
Transmission electron microscopy (TEM)
Dynamic light scattering (DLS)
Potentiometry with surfactant-selective electrodes

Main Results:

Micellar aggregates of various surfactants were observed in ethylammonium nitrate and propylammonium nitrate.
The Stauff-Klevens law was applicable, correlating critical micelle concentration with alkyl chain length.
Counterion effects, potentially linked to the Hoffmeister series, were observed for alkyltrimethylammonium surfactants.

Conclusions:

The primary driving force for micellization in protic ionic liquids is the negative entropic contribution from solvent release.
Surfactant self-assembly in ILs shares similarities with conventional aqueous systems.
The findings provide insights into the behavior of surfactants in ionic liquid media.