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Area of Science:

  • Supramolecular Chemistry
  • Materials Science
  • Biomimetic Chemistry

Background:

  • Temporal control over synthetic nanostructures is crucial for advanced materials.
  • Biological systems, like actin self-assembly, offer models for programmable molecular organization.
  • Adenosine triphosphate (ATP) is a key biological fuel driving dynamic processes.

Purpose of the Study:

  • To develop a synthetic supramolecular assembly with temporal control inspired by biological actin.
  • To achieve ATP-selective and ATP-fueled polymerization for controlled nanostructure formation.
  • To investigate methods for controlling the transient behavior of synthetic assemblies.

Main Methods:

  • Design and synthesis of a phosphate receptor-functionalized monomer.
  • Utilizing ATP as a fuel for monomer nucleation and seeded growth.
  • Incorporating ATP-hydrolyzing enzymes to control assembly dynamics.

Main Results:

  • Demonstrated ATP-selective and ATP-fueled controlled supramolecular polymerization.
  • Achieved length control and narrow dispersity in the resultant polymer assemblies.
  • Successfully modulated transient characteristics through enzymatic coupling.

Conclusions:

  • The study presents a synthetic analogue of ATP-driven actin self-assembly.
  • This work advances the development of temporally programmed biomimetic materials.
  • The findings pave the way for synthetic analogs of biological self-assembly motifs.