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A Mechanically Functional Collagen-Based Construct Designed as a Meniscus Substitute
Date
2013-04-01
Author
Halili, Albana Ndreu
Hasırcı, Nesrin
Hasırcı, Vasıf Nejat
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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In this study, a novel 5-layered meniscus scaffold, constituted of 3 different collagen-based foams interspaced with two electrospun nano/microfibrous mats, was designed to mimic the mechanical and physical properties of the natural meniscus. The top layer was a collagen-chondroitin sulfate-hyaluronic acid (Coll-CS-HA) foam. The middle and bottom layers were collagen foams which had different porosities and compressive properties. The aligned mats in between the foams were a blend of collagen and poly(L-lactic acid-co-glycolic acid). For the 5-layered construct, the compressive, tensile and shear moduli were 445 KPa, 3 MPa and 194 KPa, respectively. In dry state, the construct possessed higher compressive and shear properties than the natural tissue but the tensile properties were much lower. The mechanical properties are expected to be improved when the cells are seeded on the scaffold by their secretion of collagen and GAG.
Subject Keywords
Meniscus Replacement
,
5-Layered 3D Construct
,
Collagen Foams
,
Mechanical Properties
URI
https://hdl.handle.net/11511/30513
Journal
JOURNAL OF BIOMATERIALS AND TISSUE ENGINEERING
DOI
https://doi.org/10.1166/jbt.2013.1078
Collections
Graduate School of Natural and Applied Sciences, Article
Citation Formats
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BibTeX
A. N. Halili, N. Hasırcı, and V. N. Hasırcı, “A Mechanically Functional Collagen-Based Construct Designed as a Meniscus Substitute,”
JOURNAL OF BIOMATERIALS AND TISSUE ENGINEERING
, vol. 3, no. 2, pp. 173–184, 2013, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/30513.