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A Uniaxial BioMEMS Device for Quantitative Force-Displacement Measurements



David Serrell, Tammy L. Oreskovic, Andrew Slifka, Roop L. Mahajan, Dudley Finch


There is a need for experimental techniques that allow the simultaneous imaging of cellular cystoskeletal components with quantitative force measurements on single cells. A bioMEMS device has been developed for the application of strain to a single cell while simultaneously quantifying its force response. The prototype device presented here allows the mechanical study of a single, adherent cell in vitro. It works in a similar fashion to a displacement-controlled uniaxial tensile machine, and is calibrated using an AFM cantilever demonstrating excellent agreement with the theoretical spring constant. A single fibroblast is used here to illustrate how the device operates. The force response of the cell is seen to be linear until the onset of de-adhesion with the cell de-adhering from the cell platform at a force of approximately 1500 nN.
Biomedical Microdevices


bioMEMS, cell mechanics, fibroblast


Serrell, D. , Oreskovic, T. , Slifka, A. , Mahajan, R. and Finch, D. (2007), A Uniaxial BioMEMS Device for Quantitative Force-Displacement Measurements, Biomedical Microdevices, [online], (Accessed July 15, 2024)


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Created April 2, 2007, Updated October 12, 2021