Related Experiment Video
Updated: May 28, 2026
07:04
Synthesis of Strong Adhesive Hydrogel, Gelatin O-Nitrosobenzaldehyde
Published on: November 11, 2022
Hydrophilic Anhydride-Containing Oligomers for Two-Component Hydrogels: From Biopolymer Compatibility to
Julia C Matros1, Katharina E Wiebe-Ben Zakour2, Joana Witt2
1Heinrich Heine University Düsseldorf, Faculty of Mathematics and Natural Sciences, Institute of Pharmaceutics and Biopharmaceutics, 40225 Düsseldorf, Germany.
Gels (Basel, Switzerland)
|May 27, 2026
Summary
A novel bioink platform using amine-anhydride chemistry was developed for tissue engineering. Gelatin-based bioinks showed excellent cytocompatibility and enabled stable 3D bioprinting of living cells.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Tissue Engineering
Background:
- Tissue engineering aims to restore tissue function using biomaterials.
- Developing advanced bioinks is crucial for successful regenerative medicine strategies.
Purpose of the Study:
- To develop a versatile two-component bioink platform based on amine-anhydride conjugation.
- To evaluate the compatibility and performance of synthetic oligomers with natural biopolymers for 3D bioprinting.
Main Methods:
- Synthesized and characterized oSMoMA oligomers with varying anhydride content.
- Formulated and assessed hydrogels based on chitosan, gelatin, and collagen peptides.
- Evaluated cytocompatibility via viability assays and performed extrusion-based 3D bioprinting.
Main Results:
- Gelatin-based hydrogels demonstrated favorable rheological and physicochemical properties for bioink development.
- Gelatin/oSMoMA bioinks exhibited enhanced cell viability and metabolic activity compared to controls.
- Successful 3D bioprinting of fibroblast-laden constructs with sustained cell proliferation was achieved.
Conclusions:
- Amine-anhydride crosslinking offers a mild and effective method for bioink formulation.
- Gelatin/oSMoMA bioinks are promising cytocompatible materials for stable 3D bioprinting in tissue engineering.
- This platform provides tunable properties for diverse regenerative medicine applications.
