Novel technique for online characterization of cartilaginous tissue properties.

Novel technique for online characterization of cartilaginous tissue properties.
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软骨组织特性在线表征的新技术。

DOI:
10.1115/1.4004920
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发表时间:
2011
期刊:
Journal of biomechanical engineering
影响因子:
--
通讯作者:
YongGu,Wei
YongGu,Wei
中科院分区:
--
文献类型:
--
作者:
Yuan,Tai-Yi;Huang,Chun-Yuh;YongGu,Wei

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组织工程的目标是使用替代品来修复和恢复器官功能。生物反应器是监测和控制工程构建体生长的独特环境不可或缺的工具。然而,为了确定工程构建体的生化特性,需要销毁样品。在这项研究中,我们开发了一种新技术来无损在线表征软骨组织的含水量和固定电荷密度。开发了一种新技术来无损地确定组织的机械电化学特性。本研究使用牛膝关节软骨和腰椎纤维环来证明该技术可用于不同类型的组织。结果表明,我们新开发的方法能够精确预测软骨组织内的水体积分数(小于 3% 的差异)和固定电荷密度(小于 16.7% 的差异)。这项新技术将有助于设计新一代生物反应器,这些反应器能够主动确定工程构建体的基本特性,并调节局部环境以获得培养构建体的最佳条件。
The goal of tissue engineering is to use substitutes to repair and restore organ function. Bioreactors are an indispensable tool for monitoring and controlling the unique environment for engineered constructs to grow. However, in order to determine the biochemical properties of engineered constructs, samples need to be destroyed. In this study, we developed a novel technique to nondestructively online-characterize the water content and fixed charge density of cartilaginous tissues. A new technique was developed to determine the tissue mechano-electrochemical properties nondestructively. Bovine knee articular cartilage and lumbar annulus fibrosus were used in this study to demonstrate that this technique could be used on different types of tissue. The results show that our newly developed method is capable of precisely predicting the water volume fraction (less than 3% disparity) and fixed charge density (less than 16.7% disparity) within cartilaginous tissues. This novel technique will help to design a new generation of bioreactors which are able to actively determine the essential properties of the engineered constructs, as well as regulate the local environment to achieve the optimal conditions for cultivating constructs.
通过高压液相色谱法轻松、准确地测定人阿霉素和柔红霉素代谢物。
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