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Foams made of enigneered recombinant Spider Silk Proteins as 3D Scaffolds for Cell Growth


Schacht, Kristin ; Vogt, Jessica ; Scheibel, Thomas:
Foams made of enigneered recombinant Spider Silk Proteins as 3D Scaffolds for Cell Growth.
In: ACS Biomaterials Science & Engineering. (4 März 2016) .
ISSN 2373-9878
DOI: https://doi.org/10.1021/acsbiomaterials.5b00483


Materials for tissue engineering have to be biocompatible and have to support cell adhesion, proliferation and differentiation. Additionally, in case of soft tissue engineering the mechanical properties have to accommodate that of the tissue with mechanical integrity until the artificial scaffold is replaced by natural extracellular matrix. In case of artificial 3D scaffolds, it is of critical importance to be able to tune the mechanical properties, the inner free volume (i.e., pore size) and degradation behavior of the employed biomaterial. Here, the potential of recombinant spider silk proteins was evaluated concerning their processing into and application as 3D scaffolds for soft tissue engineering. Highly porous foams made of the recombinant spider silk protein eADF4(C16) and a variant containing an RGD motif were fabricated by salt leaching yielding mechanically robust scaffolds. In contrast to other salt-leached silk scaffolds, the swelling behavior of these scaffolds was low, and the mechanical properties in the range of soft tissues. The pore size and porosity of the foams could be adjusted by the salt crystal size. Fibroblasts adhered and proliferated well in foams made of the spider silk RGD variant but not in the foams of the nonmodified one.

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Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Keywords: recombinant spider silk proteins; salt leaching; foams; porous scaffolds; biomedical applications; tissue engineering
Institutionen der Universität: Fakultäten
Fakultäten > Fakultät für Ingenieurwissenschaften
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Biomaterialien
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Biomaterialien > Lehrstuhl Biomaterialien - Univ.-Prof. Dr. Thomas Scheibel
Profilfelder > Advanced Fields
Profilfelder > Advanced Fields > Polymer- und Kolloidforschung
Profilfelder > Advanced Fields > Neue Materialien
Profilfelder > Advanced Fields > Molekulare Biowissenschaften
Profilfelder > Emerging Fields
Profilfelder > Emerging Fields > Lebensmittel- und Gesundheitswissenschaften
Forschungseinrichtungen > Forschungszentren
Forschungseinrichtungen > Forschungszentren > Bayreuther Materialzentrum - BayMAT
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Eingestellt am: 18 Mär 2016 08:23
Letzte Änderung: 18 Mär 2016 08:23
URI: https://eref.uni-bayreuth.de/id/eprint/31891