Stimuli-responsive polymer layers for advanced cell culture technologies
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Brigitte Voit
Abstract
A series of graft copolymers consisting of poly(N-isopropylacrylamide) as a thermoresponsive component in the polymer backbone and poly(ethyleneglycol) side chains were immobilized as thin films on various substrates via low-pressure plasma treatment. The surface-immobilized hydrogels exhibit a transition from partially collapsed to completely swollen, which is in the range of 32 – 35 °C and corresponds to the lower critical solution temperature of the soluble polymers. Cell culture and detachment experiments were performed with mouse fibroblasts and human corneal endothelial cells under standard conditions. The hydrogel-coated supports were found to permit adhesion, spreading and proliferation of the cells and allowed for fast and effective temperature-dependent detachment of intact cell sheets of both cell types. Thus, these coatings offer an efficient method for growth and gentle harvesting of functional cellular assemblies for use in tissue engineering strategies.
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© 2007, Carl Hanser Verlag, München
Artikel in diesem Heft
- 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
Artikel in diesem Heft
- 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