...
首页> 外文期刊>Chemical Engineering Science >Modelling oxygen diffusion and cell growth in a porous, vascularising scaffold for soft tissue engineering applications
【24h】

Modelling oxygen diffusion and cell growth in a porous, vascularising scaffold for soft tissue engineering applications

机译:在用于软组织工程应用的多孔,血管化支架中模拟氧气扩散和细胞生长

获取原文
获取原文并翻译 | 示例
           

摘要

Soft tissue engineering presents significant challenges compared to other tissue engineering disciplines such as bone, cartilage or skin engineering. The very high cell density in most soft tissues, often combined with large implant dimensions, means that the supply of oxygen is a critical factor in the success or failure of a soft tissue scaffold. A model is presented for oxygen diffusion in a 15-60 mm diameter dome-shaped scaffold fed by a blood vessel loop at its base. This model incorporates simple models for vascular growth, cell migration and the effect of cell density on the effective oxygen diffusivity. The model shows that the dynamic, homogeneous cell seeding method often employed in small-scale applications is not applicable in the case of larger scale scaffolds such as these. Instead, we propose the implantation of a small biopsy of tissue close to a blood supply within the scaffold as a technique more likely to be successful. Crown Copyright (c) 2005 Published by Elsevier Ltd. All rights reserved.
机译:与其他组织工程学科(例如骨骼,软骨或皮肤工程)相比,软组织工程面临着重大挑战。大多数软组织中非常高的细胞密度,通常与较大的植入物尺寸相结合,意味着氧气的供应是软组织支架成功或失败的关键因素。提出了一种在直径为15-60 mm的圆顶形支架中进行氧气扩散的模型,该支架由位于其底部的血管环提供。该模型结合了用于血管生长,细胞迁移以及细胞密度对有效氧扩散率的影响的简单模型。该模型表明,经常在小规模应用中使用的动态,均匀的细胞接种方法不适用于此类大型支架。取而代之的是,我们建议在支架内将靠近血液供应的小组织活检植入体内,作为一种更有可能成功的技术。 Crown版权所有(c)2005,由Elsevier Ltd.发行。保留所有权利。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号