Related Experiment Video
Updated: Jul 2, 2026

Assembly and Characterization of Polyelectrolyte Complex Micelles
Published on: March 2, 2020
Stability of complex coacervate core micelles containing metal coordination polymer
Yun Yan1, Arie de Keizer, Martien A Cohen Stuart
1Laboratory of Physical Chemistry and Colloid Science, Wageningen University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands. yun.yan@wur.nl
Complex coacervate core micelles (C3Ms) stability decreases with salt concentration, impacting their structure and density. These findings are crucial for understanding self-assembly in polymer-based materials.
Area of Science:
- Polymer Chemistry
- Materials Science
- Supramolecular Chemistry
Background:
- Complex coacervate core micelles (C3Ms) are formed from charged-neutral diblock copolymers and oppositely charged coordination polymers.
- These micelles are relevant in aqueous solutions, involving metal ions and bisligand molecules.
Purpose of the Study:
- To investigate the stability of C3Ms under varying conditions.
- To understand the influence of salt concentration, polymer concentration, and charge composition on micelle behavior.
Main Methods:
- Light scattering techniques were employed to study micelle properties.
- Cryo-transmission electron microscopy (cryo-TEM) was used for structural confirmation.
Main Results:
- Scattering intensity and aggregation number decrease with increasing salt concentration.
- Critical micelle concentration increases exponentially with salt concentration.
- Core density decreases with increasing ionic strength, confirmed by cryo-TEM.
Conclusions:
- C3M stability is highly sensitive to ionic strength.
- The observed changes in aggregation number and core density align with theoretical predictions.
- A comprehensive composition diagram for C3Ms was established.
More Related Videos
07:32Preparation and Characterization of Individual and Multi-drug Loaded Physically Entrapped Polymeric Micelles
Published on: August 28, 2015
10:53Anionic Polymerization of an Amphiphilic Copolymer for Preparation of Block Copolymer Micelles Stabilized by π-π Stacking Interactions
Published on: October 10, 2016
Related Concept Videos
Complexation Equilibria: Factors Influencing Stability of Complexes
Complexation Equilibria: The Chelate Effect
Micelles
Complexation Equilibria: Overview
The equilibrium constant of the complexation reaction is represented as the formation constant...
Formation of Complex Ions
Extraction: Advanced Methods