Sound-driven dissipative self-assembly of aromatic biomolecules into functional nanoparticles

Area of Science:

• Supramolecular Chemistry
• Materials Science
• Biophysics

Background:

• Dissipative self-assembly utilizes energy input to create ordered structures from disordered components.
• Previous methods relied on chemical fuels or light to drive self-assembly of synthetic molecules.
• Understanding alternative energy sources for self-assembly is crucial for developing novel materials.

Purpose of the Study:

• To investigate the role of acoustic cavitation as an energy source for dissipative self-assembly.
• To explore the formation of supramolecular nanoaggregates using acoustic cavitation.
• To characterize the properties and behavior of nanoparticles formed through this process.

Main Methods:

• Experimental techniques utilizing acoustic cavitation.
• Computational modeling, including molecular dynamics simulations.
• Microscopy imaging for tracking intracellular processes.

Main Results:

• Acoustic cavitation effectively fuels dissipative self-assembly of aromatic biomolecules into uniform nanoparticles.
• Molecular dynamics simulations predicted metastable aggregate formation and molecular exchange.
• Nanoparticles demonstrated intracellular trafficking and dissipative dissolution.

Conclusions:

• Acoustic cavitation is a viable and novel energy source for dissipative self-assembly.
• This method allows for the creation of uniform nanoparticles from simple biomolecules.
• The findings open new avenues for designing and controlling self-assembled nanomaterials.