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Development of nanofiber-reinforced hydrogel scaffolds for nucleus pulposus regeneration by a combination of electrospinning and spraying technique
RISE, Swerea, Swerea IVF AB.
University of Minho.
University of Minho.
University of Minho.
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2013 (Engelska)Ingår i: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 128, nr 2, s. 1158-1163Artikel i tidskrift (Refereegranskat)
Abstract [en]

In this work a new method is presented to efficiently produce hydrogel scaffolds reinforced with nanofibers to show enhanced mechanical properties and improved structural integrity. The method is based on a combination of air brush spraying of a hydrogel and electrospinning of nanofibers. With air brush spraying the controllability is enhanced and the potential for scale-up increased. The developed method was used to successfully reinforce gellan gum hydrogels with electrospun polycaprolactone nanofibers. Optical and rheological evaluations were performed and showed that parameters such as the amount of incorporated nanofibers, gellan gum concentration and calcium chloride (crosslinker) concentrations could be used to modulate material properties. Incorporation of a small amount of nanofibers had a reinforcing effect and resulted in a hydrogel with rheological properties similar to the human nucleus pulposus (NP). The method is flexible and carries potential for designing scaffolds for e.g. NP tissue regeneration. © 2012 Wiley Periodicals, Inc.

Ort, förlag, år, upplaga, sidor
2013. Vol. 128, nr 2, s. 1158-1163
Nyckelord [en]
biomedical applications, electrospinning, fibers, gels, mechanical properties
Nationell ämneskategori
Materialteknik
Identifikatorer
URN: urn:nbn:se:ri:diva-13334DOI: 10.1002/app.38316Scopus ID: 2-s2.0-84872764385OAI: oai:DiVA.org:ri-13334DiVA, id: diva2:973540
Tillgänglig från: 2016-09-22 Skapad: 2016-09-22 Senast uppdaterad: 2017-11-21Bibliografiskt granskad

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Förlagets fulltextScopushttp://onlinelibrary.wiley.com/doi/10.1002/app.38316/abstract
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