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Article: Development of a shear test system for measuring the interfacial strength of osteochondral grafts from rabbits of different skeletal maturity

TitleDevelopment of a shear test system for measuring the interfacial strength of osteochondral grafts from rabbits of different skeletal maturity
Authors
KeywordsOsteochondral Interface
Shear Test
Rabbit
Skeletal Maturity
Issue Date2012
PublisherTaylor & Francis. The Journal's web site is located at http://www.tandfonline.com/loi/thie20
Citation
HKIE Transactions, 2012, v. 19 n. 3, p. 39-45 How to Cite?
AbstractOsteochondral interface is important in stabilising mechanically dissimilar tissues. Skeletal maturity has been found important in determining the shear failure characteristics in bovine patella but data for small animals such as rabbits are not available, making the engineering design for osteochondral interface lack of reference. In this study, a shear test system for rabbit osteochondral grafts is developed and the shear failure characteristics of samples from immature and mature rabbits are compared. In order to validate the system, the failure stress of growth plate in hip joints of immature rabbits is measured by using the same specifications available in the literature. It was noted that the failure mechanism of osteochondral grafts in the mature knee joints is different from that of the immature ones while the failure parameters were also significantly different between the immature and the mature groups. These results echoed with the only available data on bovine patella. The current study provides baseline data on rabbit osteochondral interfacial strength, serving as an important reference for engineering osteochondral interface, and provides evidence on the stabilising effect of the calcified cartilage interface zone in the mature osteochondral grafts, therefore suggesting the necessity to engineer a functional interface for future osteochondral tissue engineering.
Persistent Identifierhttp://hdl.handle.net/10722/139432
ISSN
2015 SCImago Journal Rankings: 0.145

 

DC FieldValueLanguage
dc.contributor.authorLeung, CY-
dc.contributor.authorChik, TK-
dc.contributor.authorSze, KY-
dc.contributor.authorCheung, KMC-
dc.contributor.authorChan, BP-
dc.date.accessioned2011-09-23T05:49:25Z-
dc.date.available2011-09-23T05:49:25Z-
dc.date.issued2012-
dc.identifier.citationHKIE Transactions, 2012, v. 19 n. 3, p. 39-45-
dc.identifier.issn1023-697X-
dc.identifier.urihttp://hdl.handle.net/10722/139432-
dc.description.abstractOsteochondral interface is important in stabilising mechanically dissimilar tissues. Skeletal maturity has been found important in determining the shear failure characteristics in bovine patella but data for small animals such as rabbits are not available, making the engineering design for osteochondral interface lack of reference. In this study, a shear test system for rabbit osteochondral grafts is developed and the shear failure characteristics of samples from immature and mature rabbits are compared. In order to validate the system, the failure stress of growth plate in hip joints of immature rabbits is measured by using the same specifications available in the literature. It was noted that the failure mechanism of osteochondral grafts in the mature knee joints is different from that of the immature ones while the failure parameters were also significantly different between the immature and the mature groups. These results echoed with the only available data on bovine patella. The current study provides baseline data on rabbit osteochondral interfacial strength, serving as an important reference for engineering osteochondral interface, and provides evidence on the stabilising effect of the calcified cartilage interface zone in the mature osteochondral grafts, therefore suggesting the necessity to engineer a functional interface for future osteochondral tissue engineering.-
dc.languageeng-
dc.publisherTaylor & Francis. The Journal's web site is located at http://www.tandfonline.com/loi/thie20-
dc.relation.ispartofHKIE Transactions-
dc.subjectOsteochondral Interface-
dc.subjectShear Test-
dc.subjectRabbit-
dc.subjectSkeletal Maturity-
dc.titleDevelopment of a shear test system for measuring the interfacial strength of osteochondral grafts from rabbits of different skeletal maturity-
dc.typeArticle-
dc.identifier.emailSze, KY: kysze@hku.hk-
dc.identifier.emailCheung, KMC: cheungmc@hku.hk-
dc.identifier.emailChan, BP: bpchan@hkucc.hku.hk-
dc.identifier.authoritySze, KY=rp00171-
dc.identifier.authorityCheung, KMC=rp00387-
dc.identifier.authorityChan, BP=rp00087-
dc.identifier.doi10.1080/1023697X.2012.10668996-
dc.identifier.hkuros196474-
dc.identifier.volume19-
dc.identifier.issue3-
dc.identifier.spage39-
dc.identifier.epage45-
dc.publisher.placeHong Kong-

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