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Approach to Clinical Tissue Engineering  
Approach to Clinical Tissue Engineering
资料类型: PDF文件
关键词: Clinical  Tissue  Engineering  
资料大小: 248K
所属学科: 分子表征
来源: 2005年新型纤维与聚合物材料国际学术会议(10.19-10.21,上海)
简介:
Polymersandfibershavebeenusedintissueengineeringfortherestorationofseverelydiseasedorlosttissuesalongwithcells.Themajorfunctionofpolymersinthetissueengineeringissupportofcellsfortheirdifferentiation,proliferation,andextracellularmatrixformation.Toachievethisfunction,polymersareprocessedtotheshapeofscaffoldsandcarrierssoastoincorporatecellsandgrowthfactorsinsidethebiomaterials.Toallowforseedingcellsasmanyaspossibleandsufficientdeliveryofnutrientstotheincorporatedcells,scaffoldsshouldberesorbableandporouswithinterconnectedporosity.Fibersareveryusefulasastartingmaterialtofabricateporousscaffolds.Bioabsorbablefibersmadefrompolyglycolide(PGA)andpoly(glycolide-co-lactide)(PGLA)havebeenextensivelyappliedforscaffoldfabricationasnon-wovenfabrics.Poly(lactide-co-ε-caprolactone)[P(LA/CL)]alsohasahighpotentialasabiomaterialforscaffolds.WhentheLA/CLratioisaround50/50,thecopolymerexhibitselasticitywithlowYoung’smodulus.Thispresentationwilldisplaysomeclinicalapplicationsoftheseresorbablepolymersandfibersintissueengineeringofsofttissues.
作者: Yoshito Ikada
上传时间: 2007-08-06 13:29:01
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