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Processing Technologies for 3D Nanostructured Tissue Engineering Scaffolds
Author(s) -
Meng Decheng,
Erol Melek,
Boccaccini Aldo R.
Publication year - 2010
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.201080019
Subject(s) - scaffold , materials science , nanotechnology , tissue engineering , nanoscopic scale , surface engineering , biomedical engineering , engineering
Engineered scaffolds made from synthetic or natural biomaterials are crucial elements in tissue engineering strategies. Numerous biomaterials are being used to fabricate scaffolds, including glasses, ceramics, metals, polymers, and their composites. Although materials chemistry and scaffold architecture (pore size, pore volume) are important factors affecting cell–surface interactions, the roughness and topography of the scaffold surface plays an essential part too, especially nanoscale features are relevant. Extensive research has been carried out on introducing nanoscale features on 2D, flat surfaces, but much limited efforts have been focused on nanostructuring the surface of 3D scaffolds. This paper specifically reviews the current techniques that are available to introduce or engineer nanoscale topography on the surfaces of 3D scaffolds or on 2D surfaces that can be successfully assembled into 3D scaffolds via post‐processing. The literature reviewed provides evidence about the influence of nanoscale topography on cell attachment, migration, and proliferation. While the paper is focused on bone tissue scaffolds, several technologies reviewed are equally applicable to scaffolds suitable for engineering and regeneration of other tissues.

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