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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

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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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.
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 which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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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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J. Funct. Biomater. EISSN 2079-4983 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert