Structure Transformation and Morphologic Modulation of Supramolecular Frameworks for Nanoseparation and Enzyme
Mingfeng Wei1, Bao Li1, Lixin Wu1
1State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, China.
Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|April 14, 2023
Summary
Researchers developed novel supramolecular frameworks (SFs) with tunable morphology. These porous materials show promise for nanoparticle filtration and enzyme immobilization, highlighting their versatile applications.
Area of Science:
- Materials Science
- Supramolecular Chemistry
- Nanotechnology
Background:
- Supramolecular frameworks (SFs) offer molecular flexibility but lack precise control over dimension and morphology.
- Controlled morphology is crucial for optimizing SFs in various applications.
Purpose of the Study:
- To design and synthesize supramolecular frameworks with distinct morphologic states.
- To explore the potential of these SFs in separation technologies and biocatalysis.
Main Methods:
- Designed two isolated components for stepwise assembly.
- Utilized ionic interactions, metal coordination (zinc), and hydrogen bonding for framework construction.
- Characterized the resulting 2D hexagonal and 3D SF assemblies.
Main Results:
- Successfully constructed 2D hexagonal SFs via zinc coordination and 3D SFs through hydrogen bonding.
- Demonstrated the multilayered SF sheets as effective filtration membranes for nanoparticles and proteins.
- Showcased granular SF assemblies as efficient carriers for immobilized enzymes (horse radish peroxidase) with retained activity.
Conclusions:
- The study presents a versatile approach to engineer SF morphology for tailored applications.
- The developed SFs exhibit significant potential in advanced filtration and enzymatic catalysis.


