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J. Funct. Biomater. 2012, 3(3), 497-513; doi:10.3390/jfb3030497

Cell Attachment to Hydrogel-Electrospun Fiber Mat Composite Materials

1
William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, OH 43210, USA
2
Department of Materials and Science Engineering, The Ohio State University, Columbus, OH 43210, USA
3
Department of Biomedical Engineering, The Ohio State University, Columbus, OH 43210, USA
*
Author to whom correspondence should be addressed.
Received: 15 June 2012 / Revised: 19 July 2012 / Accepted: 20 July 2012 / Published: 27 July 2012
(This article belongs to the Special Issue Biocompatibility of Biomaterials)
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Abstract

Hydrogels, electrospun fiber mats (EFMs), and their composites have been extensively studied for tissue engineering because of their physical and chemical similarity to native biological systems. However, while chemically similar, hydrogels and electrospun fiber mats display very different topographical features. Here, we examine the influence of surface topography and composition of hydrogels, EFMs, and hydrogel-EFM composites on cell behavior. Materials studied were composed of synthetic poly(ethylene glycol) (PEG) and poly(ethylene glycol)-poly(ε-caprolactone) (PEGPCL) hydrogels and electrospun poly(caprolactone) (PCL) and core/shell PCL/PEGPCL constituent materials. The number of adherent cells and cell circularity were most strongly influenced by the fibrous nature of materials (e.g., topography), whereas cell spreading was more strongly influenced by material composition (e.g., chemistry). These results suggest that cell attachment and proliferation to hydrogel-EFM composites can be tuned by varying these properties to provide important insights for the future design of such composite materials. View Full-Text
Keywords: hydrogels; electrospun fibers; cell attachment; nanotopography; composite materials hydrogels; electrospun fibers; cell attachment; nanotopography; composite materials
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Han, N.; Johnson, J.K.; Bradley, P.A.; Parikh, K.S.; Lannutti, J.J.; Winter, J.O. Cell Attachment to Hydrogel-Electrospun Fiber Mat Composite Materials. J. Funct. Biomater. 2012, 3, 497-513.

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