Comparison of human articular cartilage and polyvinyl alcohol hydrogel as artificial cartilage in microstructure analysis and unconfined compression，2009高分子材料先进制造业（青岛）国际论坛（8.19-8.21，青岛）-中国聚合物网,论文下载

Comparison of human articular cartilage and polyvinyl alcohol hydrogel as artificial cartilage in microstructure analysis and unconfined compression

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Biomaterial Cartilage Hydrogel Microstructure Compression

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所属学科：

分子表征

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2009高分子材料先进制造业（青岛）国际论坛（8.19-8.21，青岛）

简介：

Manybiomaterialshavebeendevelopedtoreplacearticularcartilage.Oneofthesematerials,polyvinylalcohol(PVA)hydrogelisproposedtobeusedasartificialcartilageinjointreplacement.TobetterunderstandthedifferencesbetweenhumanarticularcartilageandPVAhydrogel,microstructureanalysisandunconfinedcompressionweredeveloped.Inmicrostructureanalysis,thesurfaceofarticularcartilagewassmoothandfreefromanysignificantmorphologicalfeatures.Somesmallholeswerefoundinthesurfaceandcross-sectionofPVAhydrogel.TheporousstructureofPVAhydrogelwasobservedclearlybyEnvironmentalscanningelectronmicroscopy(ESEM).Inunconfinedcompressiontests,thecompressionmodulusofarticularcartilagewashigherthanthatofPVAhydrogel.Inthecreeptests,thestrainvalueofarticularcartilagewaslowerthanthatofPVAhydrogelallthetime.Itisindicatedthatthemicrostructureofeachmaterialhasagreatinfluenceontheirbiphasicpropertywhichrelatedtotheirmechanicalbehavior.

作者：

Feng Li a, Yonglin Su b, Dufang Shi c and Chengtao Wang

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2009-11-04 16:27:18

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