Biomimetically inspired hybrid materials based on silicified collagen
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Sascha Heinemann
Abstract
Starting from a natural example, several hybrid materials based on silicified collagen were synthesised under ambient conditions. The biomimetic approach and further steps allowed the production of porous as well as dense constructs whose structural assembly was similar to that observed microscopically in the natural glass fibres made by sponges. Chemical analyses showed the collagen used serving as an organic template that binds silicic acid whose condensation results in local silicification and strengthening of the hybrid. This effect was emphasised by mechanical testing. Compressive strength of the porous scaffolds has been increased by about four times and splitting tensile strength of the xerogels by up to six times due to hybridisation. As the hybrid materials additionally show proper biocompatibility, they seem to be suitable for medical applications, especially as a base material for load-bearing implants.
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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