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  • The effects of the polyvinyl alcohol (PVA) concentration on mechanical properties of hydrogels based on blends of native or denatured collagen / PVA were examined. Blends of PVA with collagen were obtained by mixing the solutions in different ratios, using glycerol as a plasticizer. The solutions were cast on polystyrene plates and the solvent was allowed to evaporate at room temperature. Uniaxial tensile tests were performed in order to obtain the initial stiffness (up to deformation 0.1), the ultimate tensile stress and the deformation at failure of the material in the water-saturated hydrogel form. It was found that the material was elastic and the addition of PVA helped to enhance both the ultimate tensile stress and stiffness of the films. Samples prepared form denaturated collagen showed the higher ultimate tensile stress and the deformation at failure in comparison with those prepared from native collagen. The results suggest that we could expect successful application of the collagen-PVA biomaterial for tissue engineering.
  • The effects of the polyvinyl alcohol (PVA) concentration on mechanical properties of hydrogels based on blends of native or denatured collagen / PVA were examined. Blends of PVA with collagen were obtained by mixing the solutions in different ratios, using glycerol as a plasticizer. The solutions were cast on polystyrene plates and the solvent was allowed to evaporate at room temperature. Uniaxial tensile tests were performed in order to obtain the initial stiffness (up to deformation 0.1), the ultimate tensile stress and the deformation at failure of the material in the water-saturated hydrogel form. It was found that the material was elastic and the addition of PVA helped to enhance both the ultimate tensile stress and stiffness of the films. Samples prepared form denaturated collagen showed the higher ultimate tensile stress and the deformation at failure in comparison with those prepared from native collagen. The results suggest that we could expect successful application of the collagen-PVA biomaterial for tissue engineering. (en)
Title
  • Mechanical properties of polyvinyl alcohol/collagen hydrogel
  • Mechanical properties of polyvinyl alcohol/collagen hydrogel (en)
skos:prefLabel
  • Mechanical properties of polyvinyl alcohol/collagen hydrogel
  • Mechanical properties of polyvinyl alcohol/collagen hydrogel (en)
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  • RIV/68407700:21220/14:00223373!RIV15-MSM-21220___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • S
http://linked.open...vai/riv/dodaniDat
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  • 28071
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21220/14:00223373
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  • Collagen; Polyvinyl alcohol; Stress (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [B7D6333A0C7B]
http://linked.open...v/mistoKonaniAkce
  • Marianské Lázně
http://linked.open...i/riv/mistoVydani
  • Plzeň
http://linked.open...i/riv/nazevZdroje
  • Experimental Stress Analysis 2014
http://linked.open...in/vavai/riv/obor
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http://linked.open...iv/tvurceVysledku
  • Beran, M.
  • Chlup, Hynek
  • Horný, Lukáš
  • Veselý, Jan
  • Žitný, Rudolf
  • Krajíček, M.
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
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  • Výzkumný a zkušební ústav Plzeň s.r.o.
https://schema.org/isbn
  • 978-80-261-0376-9
http://localhost/t...ganizacniJednotka
  • 21220
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