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Related Concept Videos

Micelles01:30

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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Related Experiment Video

Updated: Jun 22, 2026

A Facile and Efficient Approach for the Production of Reversible Disulfide Cross-linked Micelles
09:57

A Facile and Efficient Approach for the Production of Reversible Disulfide Cross-linked Micelles

Published on: December 23, 2016

Self-assembling microparticles with controllable disruption properties based on cyclodextrin interactions.

A L Nielsen1, K Steffensen, K L Larsen

  • 1Section of Chemistry, Department of Biotechnology, Chemistry and Environmental Engineering, Aalborg University, Sohngaardsholmsvej 57, DK-9000 Aalborg, Denmark.

Colloids and Surfaces. B, Biointerfaces
|June 24, 2009
PubMed
Summary
This summary is machine-generated.

New biocompatible nanoparticles self-assemble from polymers and can be controllably disrupted using a trigger molecule, showing promise for drug delivery applications.

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Area of Science:

  • Polymer chemistry
  • Materials science
  • Nanotechnology

Background:

  • Biocompatible polymers are crucial for drug delivery systems.
  • Self-assembly offers a method for creating nano-/micrometer-sized particles.
  • Controlled particle disruption is key for targeted release.

Purpose of the Study:

  • To synthesize and characterize self-assembled nanoparticles from biocompatible polymers.
  • To investigate the controlled disruption of these particles using a competitive binding molecule.
  • To evaluate the potential of these particles as drug delivery vehicles.

Main Methods:

  • Particle formation via self-assembly of poly(vinylpyrrolidone)-co-beta-cyclodextrin and dextran-benzoate.
  • Characterization using visual inspection, dynamic light scattering (DLS), isothermal titration calorimetry (ITC), and scanning electron microscopy (SEM).
  • Controlled particle disruption induced by hydroxyadamantane, monitored by DLS and SEM.

Main Results:

  • Successfully formed nano-/micrometer-sized particles from biocompatible polymers.
  • Demonstrated controlled disruption of particles upon addition of hydroxyadamantane, a competitor for cyclodextrin cavities.
  • Particle disruption was confirmed through DLS and SEM analyses.

Conclusions:

  • The developed self-assembled particles are biocompatible and suitable for drug delivery.
  • The controlled disruption mechanism offers potential for targeted and triggered drug release.
  • These particles represent a promising platform for advanced drug delivery systems.