Photopolymerized maleilated chitosan/methacrylated silk fibroin micro/nanocomposite hydrogels as potential scaffolds for cartilage tissue engineering
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Zhou, Yingshan; Liang, Kaili; Zhao, Shuyan; Zhang, Can; Li, Jun; Yang, Hongjun; Liu, Xin; Yin, Xianze; Chen, Dongzhi; Xu, Weilin; Xiao, Pu
Description
Hydrogels composed of natural materials exhibit great application potential in artificial scaffolds for cartilage repair as they can resemble the extracellular matrices of cartilage tissues comprised of various glycosaminoglycan and collagen. Herein, the natural polymers with vinyl groups, i.e. maleilated chitosan (MCS) and methacrylated silk fibroin (MSF) micro/nanoparticles, were firstly synthesized. The chemical structures of MCS and MSF micro/nanoparticles were investigated using Fourier...[Show more]
dc.contributor.author | Zhou, Yingshan | |
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dc.contributor.author | Liang, Kaili | |
dc.contributor.author | Zhao, Shuyan | |
dc.contributor.author | Zhang, Can | |
dc.contributor.author | Li, Jun | |
dc.contributor.author | Yang, Hongjun | |
dc.contributor.author | Liu, Xin | |
dc.contributor.author | Yin, Xianze | |
dc.contributor.author | Chen, Dongzhi | |
dc.contributor.author | Xu, Weilin | |
dc.contributor.author | Xiao, Pu | |
dc.date.accessioned | 2018-01-11T01:14:38Z | |
dc.identifier.issn | 0141-8130 | |
dc.identifier.uri | http://hdl.handle.net/1885/139165 | |
dc.description.abstract | Hydrogels composed of natural materials exhibit great application potential in artificial scaffolds for cartilage repair as they can resemble the extracellular matrices of cartilage tissues comprised of various glycosaminoglycan and collagen. Herein, the natural polymers with vinyl groups, i.e. maleilated chitosan (MCS) and methacrylated silk fibroin (MSF) micro/nanoparticles, were firstly synthesized. The chemical structures of MCS and MSF micro/nanoparticles were investigated using Fourier transform infrared (FTIR) spectroscopy, proton nuclear magnetic resonance (1H NMR) spectroscopy, and X-ray photoelectron spectroscopy (XPS). Then MCS/MSF micro/nanocomposite hydrogels were prepared by the photocrosslinking of MCS and MSF micro/nanoparticles in aqueous solutions in the presence of the photoinitiator Darocur 2959 under UV light irradiation. A series of properties of the MCS/MSF micro/nanocomposite hydrogels including rheological property, equilibrium swelling, sol content, compressive modulus, and morphology were examined. The results showed that these behaviors could be tunable via the control of MSF content. When the MSF content was 0.1%, the hydrogel had the compressive modulus of 0.32±0.07MPa, which was in the range of that of articular cartilage. The in vitro cytotoxic evaluation and cell culture of the micro/nanocomposite hydrogels in combination with mouse articular chondrocytes were also investigated. The results demonstrated that the micro/nanocomposite hydrogels with TGF-β1 was biocompatible to mouse articular chondrocytes and could support cells attachment well, indicating their potential as tissue engineering scaffolds for cartilage repair. | |
dc.description.sponsorship | This study was supported by National Natural Science Foundation of China (Grant No. 51203123, 51403165, 51503161) and the National Key Research and Development Program of China (No.2016YFA0101102). | |
dc.format.mimetype | application/pdf | |
dc.publisher | Elsevier | |
dc.rights | © 2017 Elsevier B.V. | |
dc.source | International journal of biological macromolecules | |
dc.subject | cartilage | |
dc.subject | chitosan | |
dc.subject | micro/nanocomposite hydrogel | |
dc.subject | photopolymerization | |
dc.subject | silk fibroin | |
dc.title | Photopolymerized maleilated chitosan/methacrylated silk fibroin micro/nanocomposite hydrogels as potential scaffolds for cartilage tissue engineering | |
dc.type | Journal article | |
local.identifier.citationvolume | 108 | |
dc.date.issued | 2018 | |
local.identifier.ariespublication | u4485658xPUB2216 | |
local.publisher.url | https://www.elsevier.com/ | |
local.type.status | Accepted Version | |
local.contributor.affiliation | Xiao, P., Research School of Chemistry, The Australian National University | |
local.identifier.essn | 1879-0003 | |
local.bibliographicCitation.startpage | 383 | |
local.bibliographicCitation.lastpage | 390 | |
local.identifier.doi | 10.1016/j.ijbiomac.2017.12.032 | |
dcterms.accessRights | Open Access | |
dc.provenance | http://www.sherpa.ac.uk/romeo/issn/0141-8130/..."Author's post-print on open access repository after an embargo period of between 12 months and 48 months" from SHERPA/RoMEO site (as at 11/01/18). | |
Collections | ANU Research Publications |
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