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Related Experiment Video

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Directed Assembly of Elastin-like Proteins into defined Supramolecular Structures and Cargo Encapsulation In Vitro

Directed Assembly of Elastin-like Proteins into defined Supramolecular Structures and Cargo Encapsulation In Vitro

Published on: April 8, 2020

Assembling a Natural Small Molecule into a Supramolecular Network with High Structural Order and Dynamic Functions.

Qi Zhang¹, Yuan-Xin Deng¹, Hong-Xi Luo²

¹Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering , East China University of Science and Technology , 130 Meilong Road , Shanghai 200237 , China.

Journal of the American Chemical Society

|July 27, 2019

Summary

Researchers developed a new method for hierarchical self-assembly of sodium thioctate, creating ordered supramolecular layered networks. This approach enables precise control over molecular self-assembly for functional materials with tunable properties and recyclability.

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Synthesis and Characterization of Supramolecular Colloids

Synthesis and Characterization of Supramolecular Colloids

Published on: April 22, 2016

Area of Science:

Supramolecular Chemistry
Materials Science
Polymer Chemistry

Background:

Hierarchical self-assembly of small molecules is crucial for creating complex structures in biological and artificial systems.
Controlling self-assembly pathways and introducing structural information into simple molecules remains a significant challenge.

Purpose of the Study:

To develop a strategy for precisely controlling the hierarchical self-assembly of a small molecule, sodium thioctate.
To create highly ordered supramolecular layered networks with tunable properties and recyclability.

Main Methods:

Utilized the dynamic covalent ring-opening polymerization of sodium thioctate.
Employed an evaporation-induced interfacial confinement effect to direct self-assembly.
Characterized the resulting structures using small-angle and wide-angle X-ray scattering.

Main Results:

Achieved hierarchical self-assembly of sodium thioctate into a highly ordered supramolecular layered network.
Demonstrated that the supramolecular layers bind water, acting as lubricants to modulate mechanical performance, self-healing, and actuation.
Confirmed the dynamic polymeric network's ability to degrade and reform via a water-mediated route, showing full recyclability.

Conclusions:

The developed strategy enables precise control over the self-assembly of simple small molecules into complex, functional materials.
This approach offers a pathway to low-cost, environmentally friendly supramolecular materials with tunable properties.
The findings mimic biological self-assembly systems, highlighting potential for advanced material design.