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Updated: Feb 28, 2026

Surface Functionalization of Metal-Organic Frameworks for Improved Moisture Resistance
Published on: September 5, 2018
Supramolecular surface functionalization via catechols for the improvement of cell-material interactions
S Spaans1, P P K H Fransen2, B D Ippel1
1Institute for Complex Molecular Systems, Eindhoven University of Technology, De Zaale, 5612 AJ Eindhoven, The Netherlands. p.y.w.dankers@tue.nl and Department of Biomedical Engineering, Soft Tissue Engineering and Mechanobiology, Eindhoven University of Technology, P.O box 513, 5600 MB Eindhoven, The Netherlands.
This study developed a novel adhesive biomaterial using ureido-pyrimidinone (UPy) polymers and catechol chemistry. This innovative material enhances cell adhesion and supports tissue regeneration, particularly for cardiac applications.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Polymer Chemistry
Background:
- Optimizing cell-material interactions is vital for synthetic biomaterials in tissue regeneration.
- Catechol chemistry is commonly employed to enhance biomaterial adhesiveness.
Purpose of the Study:
- To develop an improved supramolecular biomaterial with enhanced cellular adhesion using a combination of ureido-pyrimidinone (UPy) chemistry and catechol functionalities.
- To investigate the bioactivity of these functionalized supramolecular surfaces for guiding tissue regeneration.
Main Methods:
- Synthesized UPy-modified hydrophobic polymers lacking inherent cell adhesion.
- Developed a modular approach to bioactivate these polymers using UPy-modified catechols.
- Formulated UPy-polymers with UPy-catechol additives to create adhesive surfaces.
Main Results:
- Successfully created supramolecular surfaces that promote cardiomyocyte progenitor cell adhesion and spreading.
- Demonstrated preservation of cardiac-specific extracellular matrix production on the functionalized surfaces.
- Validated the adhesive properties imparted by catechol functionalities on supramolecular biomaterials.
Conclusions:
- Functionalizing supramolecular surfaces with catechol groups yields an adhesive biomaterial.
- This approach offers a promising strategy for developing advanced biomaterials for tissue regeneration.
- The developed material supports key cellular functions essential for cardiac tissue repair.

