Characterization of oriented protein-ceramic and protein-polymer-composites for cartilage tissue engineering using synchrotron μ-CT
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Rolf Zehbe
, Astrid Haibel , Christoph Brochhausen , Ulrich Gross , C. James Kirkpatrick and Helmut Schubert
Abstract
In this paper we report on the synthesis of three different gelatine based scaffold materials for the reconstruction of articular cartilage defects. The first scaffold design is based on an unmodified, oriented gelatine network, while the second design further comprises an attached inorganic hydroxyapatite layer and the third design includes poly(l-lactide) microspheres as a model material for future drug-release applications.
All three scaffold designs were characterized and imaged using synchrotron μ-CT, obtaining a complete volumetric reconstruction of a previously defined sample region.
Furthermore, two unmodified scaffolds were cultivated for one week with porcine chondrocytes. Afterwards the attached cells were labelled using a combination of Au-lysine and silver enhancer. In synchrotron μ-CT analysis we were thus able to map the cell distribution due to the difference in X-ray absorption of the labelled cells and the non labelled scaffolds in a volume of several millimetres.
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© 2007, Carl Hanser Verlag, München
Articles in the same Issue
- Contents
- Contents
- Editorial
- Editorial
- Basic
- Diffusional decomposition of supersaturated solid solutions at grain boundaries
- Characterization of oriented protein-ceramic and protein-polymer-composites for cartilage tissue engineering using synchrotron μ-CT
- Effect of ageing on optical and thermal properties of YBa2Cu3O7–δ
- Calorimetric study and thermodynamic assessment of the SrO–Ga2O3 system
- Re-determination of transition temperatures in the Fe–Al system by differential thermal analysis
- Applied
- Novel corrosion protective coatings for aluminium alloys and steels based on oxidic nanoparticles
- Novel biomimetically based ice-nucleating coatings
- Biomimetically inspired hybrid materials based on silicified collagen
- Magnesium sponges as a bioabsorbable material – attributes and challenges
- Morphology of bony tissues and implants uncovered by high-resolution tomographic imaging
- Review
- The effects of metal implants on inflammatory and healing processes
- Formation of nano hydroxyapatite – a straightforward way to bioactivate bone implant surfaces
- Drug-eluting stent technologies for vascular regeneration
- Fiber structures for the regenerative medicine
- Stimuli-responsive polymer layers for advanced cell culture technologies
- Notifications
- Robert W. Cahn: 1924–2007
- DGM News
Articles in the same Issue
- Contents
- Contents
- Editorial
- Editorial
- Basic
- Diffusional decomposition of supersaturated solid solutions at grain boundaries
- Characterization of oriented protein-ceramic and protein-polymer-composites for cartilage tissue engineering using synchrotron μ-CT
- Effect of ageing on optical and thermal properties of YBa2Cu3O7–δ
- Calorimetric study and thermodynamic assessment of the SrO–Ga2O3 system
- Re-determination of transition temperatures in the Fe–Al system by differential thermal analysis
- Applied
- Novel corrosion protective coatings for aluminium alloys and steels based on oxidic nanoparticles
- Novel biomimetically based ice-nucleating coatings
- Biomimetically inspired hybrid materials based on silicified collagen
- Magnesium sponges as a bioabsorbable material – attributes and challenges
- Morphology of bony tissues and implants uncovered by high-resolution tomographic imaging
- Review
- The effects of metal implants on inflammatory and healing processes
- Formation of nano hydroxyapatite – a straightforward way to bioactivate bone implant surfaces
- Drug-eluting stent technologies for vascular regeneration
- Fiber structures for the regenerative medicine
- Stimuli-responsive polymer layers for advanced cell culture technologies
- Notifications
- Robert W. Cahn: 1924–2007
- DGM News