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简单聚合物材料涂覆无机支架或无法明显增强支架的机械性能

2018-01-20 MedSci MedSci原创

由于临床植入、骨植入反应、种植体退化以及植入物受到的多种加载方式的影响等,用于重建大节段骨缺损的生物活性玻璃和陶瓷支架的开发仍然是材料科学面临的挑战。无机支架的力学性能的综合评估和增韧脆性结构的新方法的探索,是其成功应用在加载位点之前的关键。简单而广泛采用的方法涉及用聚合物材料涂覆无机支架。在这项工作中,研究人员系统地评估了生物聚合物,聚己内酯(PCL)涂层对生物活性玻璃支架的力学性能的影响。结果

由于临床植入、骨植入反应、种植体退化以及植入物受到的多种加载方式的影响等,用于重建大节段骨缺损的生物活性玻璃和陶瓷支架的开发仍然是材料科学面临的挑战。无机支架的力学性能的综合评估和增韧脆性结构的新方法的探索,是其成功应用在加载位点之前的关键。简单而广泛采用的方法涉及用聚合物材料涂覆无机支架。

在这项工作中,研究人员系统地评估了生物聚合物,聚己内酯(PCL)涂层对生物活性玻璃支架的力学性能的影响。结果表明,生物聚合物PCL涂层可更有效地提高支架的压缩强度和可靠性,但在改善其弯曲强度或断裂韧性不太有效。

该研究首次揭示了聚合物涂层在提高强支架韧性方面的有限成功率,表明增强无机支架的新的方法应该是未来在加载位点应用支架的一个研究方向。

原始出处:

Fu Q, Jia W, et al., Strength, toughness, and reliability of a porous glass/biopolymer composite scaffold. J Biomed Mater Res B Appl Biomater. 2017 Jun 1. doi: 10.1002/jbm.b.33924.

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    2018-01-24 天涯183

    非常好的文章.学习了

    0

  2. [GetPortalCommentsPageByObjectIdResponse(id=281734, encodeId=540f281e34b2, content=非常好的文章.学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7LIiaRZTzJ3SEfiauCzTMPW7YvPPYLNJBXG9oh6Al1icq2VQQkIHWxqXehcicTS62YKJVBhxeth3wggw/0, createdBy=7ce01621306, createdName=天涯183, createdTime=Wed Jan 24 23:56:25 CST 2018, time=2018-01-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1521282, encodeId=50ad1521282c1, content=<a href='/topic/show?id=98bc80e9418' target=_blank style='color:#2F92EE;'>#聚合物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=80794, encryptionId=98bc80e9418, topicName=聚合物)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=0bf611326764, createdName=yese, createdTime=Mon Jan 22 08:12:00 CST 2018, time=2018-01-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=280817, encodeId=7b3228081ed2, content=学习一下谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzaiabIFicf63hKvVMjL6aJlx4yX4UcXmzX9DyibCRcicq0QtCRWMaQKh8MYjE1D3EKUBopgiaGWYuqbeR/0, createdBy=0c2b1999806, createdName=三生有幸9135, createdTime=Mon Jan 22 02:10:01 CST 2018, time=2018-01-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=280405, encodeId=ea95280405af, content=^_^^_^^_^^_^^_^, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/vi_32/Swp2ehfHpiciczeTntUyQOlIGMzQ705ic67sdMTVMbwTv7KbmlUvxrGvRSvQZjPkz7ib5tEDfIaORgczPtmHDpwojg/0, createdBy=c54b2163125, createdName=wqkm, createdTime=Sat Jan 20 17:16:23 CST 2018, time=2018-01-20, status=1, ipAttribution=)]
    2018-01-22 yese
  3. [GetPortalCommentsPageByObjectIdResponse(id=281734, encodeId=540f281e34b2, content=非常好的文章.学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7LIiaRZTzJ3SEfiauCzTMPW7YvPPYLNJBXG9oh6Al1icq2VQQkIHWxqXehcicTS62YKJVBhxeth3wggw/0, createdBy=7ce01621306, createdName=天涯183, createdTime=Wed Jan 24 23:56:25 CST 2018, time=2018-01-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1521282, encodeId=50ad1521282c1, content=<a href='/topic/show?id=98bc80e9418' target=_blank style='color:#2F92EE;'>#聚合物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=80794, encryptionId=98bc80e9418, topicName=聚合物)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=0bf611326764, createdName=yese, createdTime=Mon Jan 22 08:12:00 CST 2018, time=2018-01-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=280817, encodeId=7b3228081ed2, content=学习一下谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzaiabIFicf63hKvVMjL6aJlx4yX4UcXmzX9DyibCRcicq0QtCRWMaQKh8MYjE1D3EKUBopgiaGWYuqbeR/0, createdBy=0c2b1999806, createdName=三生有幸9135, createdTime=Mon Jan 22 02:10:01 CST 2018, time=2018-01-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=280405, encodeId=ea95280405af, content=^_^^_^^_^^_^^_^, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/vi_32/Swp2ehfHpiciczeTntUyQOlIGMzQ705ic67sdMTVMbwTv7KbmlUvxrGvRSvQZjPkz7ib5tEDfIaORgczPtmHDpwojg/0, createdBy=c54b2163125, createdName=wqkm, createdTime=Sat Jan 20 17:16:23 CST 2018, time=2018-01-20, status=1, ipAttribution=)]
    2018-01-22 三生有幸9135

    学习一下谢谢分享

    0

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    2018-01-20 wqkm

    ^_^^_^^_^^_^^_^

    0

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