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Collagen and glycopolymer based hydrogel for potential corneal application
Univ Ottawa, Inst Eye, Ottawa, ON K1H 8L6 Canada.
Univ Ottawa, Inst Eye, Ottawa, ON K1H 8L6 Canada.
Univ Ottawa, Inst Eye, Ottawa, ON K1H 8L6 Canada.
Univ Ottawa, Inst Eye, Ottawa, ON K1H 8L6 Canada.
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2010 (Engelska)Ingår i: ACTA BIOMATERIALIA, ISSN 1742-7061, Vol. 6, nr 1, s. 187-194Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

6-Methacryloyl-alpha-D-galactopyranose (MG) was synthesized, and characterized by Fourier transform infrared (FTIR) and nuclear magnetic resonance (NMR) spectrometry, and single-crystal X-ray diffraction. A series of interpenetrating polymer network (IPN) hydrogels was fabricated by simultaneously photo-curing MG crosslinked by poly(ethylene glycol) diacrylate and chemically crosslinking type I collagen with 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide and N-hydroxysuccinimide. The successful incorporation of the glycopolymer, polymer MG, into collagen hydrogel was confirmed by FTIR and solid-state C-13 NMR. The optical characteristics of the IPN hydrogels are comparable to those of human corneas. The tensile strength and modulus of the hydrogels are enhanced by incorporation of polymer MG in comparison to that of the control collagen hydrogel. Biodegradation results indicated that polymer MG enhanced the stability of the composite hydrogels against collagenase. In vitro results demonstrated that the IPN hydrogel supported the adhesion and proliferation of human corneal epithelial cells and outperformed human cornea in blocking bacteria adhesion. Taken together, the IPN hydrogel might be a promising material for use in corneal lamellar keratoplasty. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Ort, förlag, år, upplaga, sidor
Elsevier , 2010. Vol. 6, nr 1, s. 187-194
Nyckelord [en]
ARTIFICIAL CORNEA; KERATOPROSTHESIS; REGENERATION; KERATITIS; PROTEOGLYCANS; SURFACE; STROMA; TRANSPLANTATION; HISTOPATHOLOGY; POLYMERIZATION
Nationell ämneskategori
Medicin och hälsovetenskap
Identifikatorer
URN: urn:nbn:se:liu:diva-65517DOI: 10.1016/j.actbio.2009.07.027OAI: oai:DiVA.org:liu-65517DiVA, id: diva2:396195
Tillgänglig från: 2011-02-09 Skapad: 2011-02-09 Senast uppdaterad: 2013-12-17

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