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Related Concept Videos

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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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Related Experiment Video

Updated: May 14, 2026

Fabrication of Spherical and Worm-shaped Micellar Nanocrystals by Combining Electrospray, Self-assembly, and Solvent-based Structure Control
06:16

Fabrication of Spherical and Worm-shaped Micellar Nanocrystals by Combining Electrospray, Self-assembly, and Solvent-based Structure Control

Published on: February 11, 2018

Self-oscillating micelles.

Takeshi Ueki1, Mitsuhiro Shibayama, Ryo Yoshida

  • 1Department of Materials Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Tokyo, 113-8656, Japan. ueki@cross.t.u-tokyo.ac.jp

Chemical Communications (Cambridge, England)
|February 2, 2013
PubMed
Summary
This summary is machine-generated.

Synthetic block copolymers self-assemble via dissipative structures, exhibiting rhythmic oscillations in scattering intensity and size. This novel approach, driven by the Belousov-Zhabotinsky reaction, achieves dynamic self-assembly without external on-off switching.

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Area of Science:

  • Polymer Chemistry
  • Materials Science
  • Chemical Oscillations

Background:

  • Block copolymers are versatile materials with tunable properties.
  • The Belousov-Zhabotinsky (BZ) reaction is a classic example of a chemical oscillating system.
  • Controlling self-assembly dynamics in synthetic polymers remains a challenge.

Purpose of the Study:

  • To demonstrate rhythmic oscillations in block copolymer solutions driven by a chemical reaction.
  • To explore the concept of self-assembly assisted by dissipative structures.
  • To develop a synthetic system for dynamic polymer self-assembly without external stimuli.

Main Methods:

  • Utilized a synthetic block copolymer solution.
  • Integrated the Belousov-Zhabotinsky (BZ) reaction to drive the system.
  • Monitored scattering intensity and hydrodynamic radii to observe oscillations.

Main Results:

  • Observed rhythmic oscillations in scattering intensity and hydrodynamic radii.
  • Demonstrated self-assembly driven by the BZ reaction's dissipative structure.
  • Achieved dynamic control without on-off switching of external stimuli.

Conclusions:

  • Synthetic block copolymers can achieve self-assembly driven by dissipative structures.
  • The BZ reaction can induce rhythmic dynamic behavior in block copolymer solutions.
  • This work presents a novel strategy for creating responsive and dynamic polymer materials.