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Directed Assembly of Elastin-like Proteins into defined Supramolecular Structures and Cargo Encapsulation In Vitro
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Supramolecular Hexagonal Platelet Assemblies with Uniform and Precisely-Controlled Dimensions.

Gangfeng Chen, Guangpu Zhang, Bixin Jin

  • 1RIKEN Centre for Emergent Matter Science , Saitama 351-0198 , Japan.

Journal of the American Chemical Society
|September 12, 2019
PubMed
Summary

Researchers developed a new method to create precise hexagonal platelets from soft materials using crystalline inclusion complexes. This supramolecular assembly technique allows for controlled dimensions and the formation of concentric hexagonal structures.

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Area of Science:

  • Materials Science
  • Supramolecular Chemistry
  • Nanotechnology

Background:

  • Geometric structures are prevalent in nature and engineered systems.
  • Bottom-up fabrication of precise geometric assemblies, especially from soft materials, remains a significant challenge.

Purpose of the Study:

  • To present a general method for fabricating colloidally stable, hexagonal platelets.
  • To achieve precise dimensional control in the synthesis of geometric assemblies from soft materials.

Main Methods:

  • Formation of crystalline inclusion complexes using tris-o-phenylenedioxycyclotriphosphazene and block copolymers.
  • Utilizing screw dislocation growth within inclusion complexes for platelet formation.
  • Employing stepwise seeded growth for creating concentric hexagonal platelets.

Main Results:

  • Successfully prepared uniform hexagonal platelets with controllable dimensions.
  • Demonstrated the ability to produce concentric hexagonal platelets through a seeded growth approach.
  • The method yields colloidally stable hexagonal assemblies.

Conclusions:

  • A general and effective supramolecular assembly method for fabricating hexagonal platelets has been established.
  • Precise dimensional control is achievable through screw dislocation growth in crystalline inclusion complexes.
  • This approach offers a pathway for creating complex geometric structures from soft materials.