Related Experiment Video
Updated: Jul 5, 2025
07:32
Interlinked Macroporous 3D Scaffolds from Microgel Rods
Published on: June 16, 2022
2.2K
New 3D Printed Scaffolds Based on Walstromite Synthesized by Sol-Gel Method
Ştefania Chiriac1,2, Roxana-Cristina Popescu3,4, Mihnea-Mihăiță Pele3
1Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politehnica Bucharest, 011061 Bucharest, Romania.
Journal of Functional Biomaterials
|January 22, 2024
Summary
Walstromite bioceramics were successfully 3D printed into scaffolds. These scaffolds show promising biocompatibility and potential for bone regeneration applications in tissue engineering.
Area of Science:
- Materials Science
- Biomaterials Engineering
- Ceramic Engineering
Background:
- Bioceramics are crucial for bone regeneration.
- 3D printing offers precise control over scaffold architecture.
- Novel materials are needed to enhance bone tissue engineering.
Purpose of the Study:
- To investigate walstromite (BaCa2Si3O9) as a precursor for 3D printable bioceramic scaffolds.
- To characterize the chemical, structural, and biological properties of walstromite-based bioceramics.
- To evaluate the potential of these scaffolds for bone regeneration.
Main Methods:
- Walstromite synthesis via the sol-gel method.
- Characterization using thermal analysis, X-ray diffraction (XRD), and scanning electron microscopy (SEM).
- 3D printing of ceramic scaffolds and assessment of physical properties (density, porosity, strength).
- In vitro biological evaluation using simulated body fluid (SBF) immersion and osteoblast-like cell culture.
Main Results:
- Optimized calcination temperature determined for walstromite precursor.
- 3D printed scaffolds exhibited suitable ceramic properties within practical limits.
- XRD confirmed single-phase walstromite formation in the scaffolds.
- Scaffolds demonstrated apatite layer formation in SBF and good biocompatibility with osteoblast-like cells.
Conclusions:
- Walstromite is a viable material for creating 3D printable bioceramic scaffolds.
- The developed scaffolds possess favorable physical and biological properties.
- Walstromite-based scaffolds show significant potential for bone regeneration and tissue engineering applications.
