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A smart bilayer scaffold of elastin-like recombinamer and collagen for soft tissue engineering
Date
2011-06-01
Author
Kinikoglu, Beste
Carlos Rodriguez-Cabello, Jose
Damour, Odile
Hasırcı, Vasıf Nejat
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Elastin-like recombinamers (ELRs) are smart, protein-based polymers designed with desired peptide sequences using recombinant DNA technology. The aim of the present study was to produce improved tissue engineering scaffolds from collagen and an elastin-like protein tailored to contain the cell adhesion peptide RGD, and to investigate the structural and mechanical capacities of the resulting scaffolds (foams, fibers and foam-fiber bilayer scaffolds). The results of the scanning electron microscopy, mercury porosimetry and mechanical testing indicated that incorporation of ELR into the scaffolds improved the uniformity and continuity of the pore network, decreased the pore size (from 200 to 20 mu m) and the fiber diameter (from 1.179 lm to 306 nm), broadened the pore size distribution (from 70-200 to 4-200 mu m) and increased their flexibility (from 0.007 to 0.011 kPa(-1)). Culture of human fibroblasts and epithelial cells in ELR-collagen scaffolds showed the positive contribution of ELR on proliferation of both types of cells.
Subject Keywords
mechanical-properties
,
Polymers
,
Skin
,
Generation
,
Behavior
,
Gelatin
,
Genipin
,
Cells
,
Polypeptide
URI
https://hdl.handle.net/11511/31416
Journal
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN MEDICINE
DOI
https://doi.org/10.1007/s10856-011-4315-6
Collections
Graduate School of Natural and Applied Sciences, Article