Development of cell-sheet handling tool for measurement of cell sheet adhesion force

Kaoru Uesugi, Y. Akiyama, M. Yamato, T. Okano, T. Hoshino, K. Morishima
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引用次数: 3

Abstract

We have demonstrated hybrid micro mechanical systems (HMMS) using muscle cells. When constructing cells to HMMS, there are some forces between adhesive interface and cells, dur to contraction of muscle cells must be considered to design. When these forces are larger than adhesion force of cells, cells detach from substrates and system is not functional. Measuring the adhesion force of cells could prevent from the breakage of the system. In this paper, we developed cell adhesion force measurement system “90 degree detachment examination” which defined by “International Organization for Standardization (ISO)”. To attempt 90 degree detachment examination, we noticed that to use cell sheet which cultured confluent on two-dimensional surface. And to use cell sheet, we develop four types of cell sheet handling tools. As a result, we measured maximum adhesion strength of cells about 10 N/mm.
用于测量电池片粘附力的电池片处理工具的研制
我们已经展示了使用肌肉细胞的混合微机械系统(HMMS)。在构建HMMS细胞时,黏附界面与细胞之间存在一定的作用力,在设计时必须考虑肌肉细胞的收缩。当这些力大于细胞的粘附力时,细胞与基质分离,系统失去功能。测量细胞的粘附力可以防止系统的破坏。本文研制了国际标准化组织(ISO)定义的细胞粘附力测量系统“90度剥离检测”。在尝试90度剥离检查时,我们注意到在二维表面上使用培养融合的细胞片。为了使用单元格表,我们开发了四种类型的单元格表处理工具。结果,我们测得细胞的最大粘附强度约为10 N/mm。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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