首页> 外文会议>International symposium on experimental robotics;ISER'11; 20080713-16;20080713-16; Athens(GR);Athens(GR) >Mechanical Response of Embryonic Stem Cells Using Haptics-Enabled Atomic Force Microscopy
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Mechanical Response of Embryonic Stem Cells Using Haptics-Enabled Atomic Force Microscopy

机译:触觉使能原子力显微镜对胚胎干细胞的机械反应。

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摘要

Mechanical manipulation and characterization of biological cells is currently one of the most exciting research areas in the field of medical robotics applied to cellular level interactions. While biologists are able to ascertain the change in cell status visually based on mRNA or proteins markers, it is often qualitative and difficult to quantitatively define the outcome of a cell progression during differentiation. Consequently, we propose to develop a haptics-enabled atomic force microscopy system to mechanically manipulate and characterize an individual cell. The haptic feedback interface proposed in this paper comprises of a PHANToM haptic feedback device combined with the atomic force microscope (AFM). The system has the capability of measuring forces in nN range and provides a haptic display of the cell indentation forces in real time. We conducted studies on mouse embryonic stem cells (mESC) and our experimental results indicate that the mechanical property of undifferentiated mESC differs from differenttiated mESC.
机译:目前,生物细胞的机械操作和表征是应用于细胞水平相互作用的医疗机器人领域最激动人心的研究领域之一。虽然生物学家能够根据mRNA或蛋白质标记物目视确定细胞状态的变化,但通常在定性上很难量化分化过程中细胞进展的结果。因此,我们建议开发一种具有触觉功能的原子力显微镜系统,以机械方式操纵和表征单个细胞。本文提出的触觉反馈接口包括结合了原子力显微镜(AFM)的PHANToM触觉反馈设备。该系统具有在nN范围内测量力的能力,并实时提供触觉显示单元压痕力。我们对小鼠胚胎干细胞(mESC)进行了研究,我们的实验结果表明未分化的mESC的机械性能与分化的mESC有所不同。

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