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...

Ion Exchange

Ion Exchange

Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or basic...

You might also read

Related Articles

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

Sort by

Same author

Effect of gestational weight gain on preeclampsia among underweight women: A single tertiary referral center study in Japanese women.

The journal of obstetrics and gynaecology research·2022

Same author

Trans-homophilic interaction of CADM1 promotes organ infiltration of T-cell lymphoma by adhesion to vascular endothelium.

Cancer science·2022

Same author

[Preparation of MRI Examinations for COVID-19 Patients in Local Core Hospital].

Nihon Hoshasen Gijutsu Gakkai zasshi·2022

Same author

The Frequency Characteristic of Silicone Domes in Receiver in the Canal Hearing Aids.

Journal of the American Academy of Audiology·2022

Same author

Comparison of renal outcomes between sodium glucose co-transporter 2 inhibitors and glucagon-like peptide 1 receptor agonists.

Diabetes research and clinical practice·2022

Same author

AGEs and renal sodium handling: association with hypertension.

Hypertension research : official journal of the Japanese Society of Hypertension·2022

Search research articles

Related Experiment Video

Updated: May 29, 2026

Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release

Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release

Published on: February 13, 2016

Binary mixtures of cationic and anionic microgels.

Daisuke Suzuki¹, Koji Horigome

¹International Young Researchers Empowerment Center, Shinshu University, 3-15-1, Tokida Ueda 386-8567 Japan. d_suzuki@shinshu-u.ac.jp

Langmuir : the ACS Journal of Surfaces and Colloids

|September 3, 2011

Summary

This summary is machine-generated.

Adding salt to mixtures of cationic and anionic microgels prevents flocculation and creates tunable, non-close-packed structures. These soft particle properties differ from hard particle behaviors.

More Related Videos

Microfluidic Synthesis of Microgel Building Blocks for Microporous Annealed Particle Scaffold

Microfluidic Synthesis of Microgel Building Blocks for Microporous Annealed Particle Scaffold

Published on: June 16, 2022

Magnetic and Thermal-sensitive Poly(N-isopropylacrylamide)-based Microgels for Magnetically Triggered Controlled Release

Magnetic and Thermal-sensitive Poly(N-isopropylacrylamide)-based Microgels for Magnetically Triggered Controlled Release

Published on: July 4, 2017

Related Experiment Videos

Last Updated: May 29, 2026

Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release

Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release

Published on: February 13, 2016

Microfluidic Synthesis of Microgel Building Blocks for Microporous Annealed Particle Scaffold

Microfluidic Synthesis of Microgel Building Blocks for Microporous Annealed Particle Scaffold

Published on: June 16, 2022

Magnetic and Thermal-sensitive Poly(N-isopropylacrylamide)-based Microgels for Magnetically Triggered Controlled Release

Magnetic and Thermal-sensitive Poly(N-isopropylacrylamide)-based Microgels for Magnetically Triggered Controlled Release

Published on: July 4, 2017

Area of Science:

Colloid and Surface Chemistry
Polymer Science
Materials Science

Background:

Microgels are soft, cross-linked polymer networks with tunable properties.
Binary mixtures of oppositely charged microgels can exhibit complex phase behaviors.
Understanding these behaviors is crucial for developing novel materials.

Purpose of the Study:

To investigate the colloidal behavior of binary mixtures of cationic and anionic microgels.
To explore the effects of temperature and salt concentration on microgel phase behavior.
To elucidate the role of electrostatic interactions and steric hindrance in microgel assembly.

Main Methods:

Synthesis of cationic and anionic microgels via precipitation polymerization.
UV-vis spectroscopy to study phase transitions and dispersion.
Scanning electron microscopy (SEM) to visualize microgel structures in the dry state.

Main Results:

A small addition of NaCl significantly altered the dispersing behavior of microgel mixtures.
Microgel mixtures with NaCl showed non-close-packed structures in the dry state, avoiding flocculation.
Flocculated swollen microgel mixtures could be redispersed by adding NaCl and gentle stirring.

Conclusions:

The tunable colloidal properties of these microgel mixtures are attributed to the interplay of electrostatic interactions and steric hindrance.
These findings offer insights into the design of responsive soft materials.
The observed behaviors are distinct from those of hard particle mixtures.