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3D-Printed Hydrogels from Recycled Cellulose for Biomedical Applications
Sara Yousefshahi1, Eric Pohl2, Timo Sehn3
1Karlsruhe Institute of Technology, Soft Matter Synthesis Laboratory, Institute for Biological Interfaces III (IBG-3), Eggenstein-Leopoldshafen, Germany.
Chemsuschem
|December 29, 2025
Summary
Researchers developed a sustainable method to recycle cellulose into biocompatible hydrogels. This green chemistry approach enables 3D printing of customized cell scaffolds for biomedical uses like wound dressings.
Area of Science:
- Green Chemistry
- Biomaterials Science
- Polymer Chemistry
Background:
- Growing environmental awareness drives demand for sustainable materials.
- Cellulose, an abundant renewable polymer, offers stability and flexibility.
- Recycling cellulose from textiles presents an eco-friendly synthesis route.
Purpose of the Study:
- To develop a sustainable method for recycling and modifying cellulose.
- To create biocompatible cellulose-based hydrogels.
- To enable fabrication of 3D structures for biomedical applications.
Main Methods:
- Cellulose recycling and modification.
- Photochemical crosslinking under mild conditions.
- Digital Light Processing (DLP) for 3D structure fabrication.
Main Results:
- Successfully attained biocompatible hydrogels from recycled cellulose.
- Demonstrated fabrication of complex 3D structures using DLP.
- Mild reaction conditions achieved for synthesis.
Conclusions:
- This sustainable method offers a viable route for cellulose-based hydrogel synthesis.
- The technique facilitates customized cell scaffold fabrication for biomedical applications.
- Potential use as advanced wound dressings for chronic wounds.
