Abstract
This paper reports a monolithic, force-feedback MEMS (microelectomechanical systems) microgripper and its application to micro-scale compression testing of swollen hydrogel microcapsules at wet state during manipulation. The single-chip microgripper integrates an electrothermal microactuator and two capacitive force sensors, one for contact detection (force resolution: 38.5 nN) and the other for gripping force measurements (force resolution: 19.9 nN). With the capability of resolving gripping forces down to 19.9 nN and material deformations with a 20.5 nm resolution, the system quantified Young’s modulus values and viscoelastic parameters of alginate microcapsules (15–25 μm), demonstrating an easy-to-operate, accurate compression testing technique for characterizing soft, micrometer-sized biomaterials.
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References
A. Fontes, H.P. Fernandes, A.A. de Thomaz, L.C. Barbosa, M.L. Barjas-Castro, C.L. Cesar, J. Biomed. Opt. 13, 014001 (2008)
R.M. Hochmuth, J. Biomech. 33, 15 (2000)
I. Dulinska, M. Targosz, W. Strojny, M. Lekka, P. Czuba, W. Balwierz, M. Szymonski, J. Biochem. Biophys. Methods 66, 1 (2006)
A.R. Bausch, W. Moller, E. Sackmann, Biophys. J. 76, 573 (1999)
J. Blewett, K. Burrows, C. Thomas, Biotechnol. Lett. 22, 1877 (2000)
V.V. Lulevich, O.I. Vinogradova, Langmuir 20, 2874 (2004)
G. Lin, R.E. Palmer, K.S.J. Pister, K.P. Roos, IEEE Trans. Biomed. Eng. 48, 996 (2001)
S. Yang, T. Saif, Rev. Sci. Instrum. 76, 044301 (2005)
Y. Sun, S.N. Fry, D.P. Potasek, D.J. Bell, B.J. Nelson, J. Microelectromech. Syst. 14, 4 (2005)
Y. Sun, K.T. Wan, K.P. Roberts, J.C. Bischof, B.J. Nelson, IEEE T. Nanobiosci. 2, 279 (2003)
F. Beyeler, A. Neild, S. Oberti, D.J. Bell, Y. Sun, J. Dual, B.J. Nelson, J. Microelectromech. Syst. 16, 7 (2007)
C. Yamahata, D. Collard, T. Takekawa, M. Kumemura, G. Hashiguchi, H. Fujita, Biophys. J. 94, 63 (2008)
Q. Liu, A.M. Rauth, X.Y. Wu, Int. J. Pharm. 339, 148 (2007)
K. Kim, X.Y. Liu, Y. Zhang, Y. Sun, J. Micromech. Microeng 18, 055013 (2008)
X.Y. Liu, J.H. Tong, Y. Sun, Smart Mater. Struct. 16, 1742 (2007)
K.K. Liu, J. Phys. D: Appl. Phys. 39, R189 (2006)
Y. Tatara, J. Soc. Mech. Eng. Ser. A 36, 190 (1993)
R. S. Lakes, Viscoelastic Solids (CRC, Boca Raton, 1998)
M. Sato, D.P. Theret, L.T. Wheelerand, N. Ohshima, R.M. Nerem, J. Biomech. Eng. 112, 263 (1990)
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This work was supported by the Natural Sciences and Engineering Research Council of Canada and by the Ontario Ministry of Research and Innovation.
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Kim, K., Liu, X., Zhang, Y. et al. Elastic and viscoelastic characterization of microcapsules for drug delivery using a force-feedback MEMS microgripper. Biomed Microdevices 11, 421–427 (2009). https://doi.org/10.1007/s10544-008-9248-6
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DOI: https://doi.org/10.1007/s10544-008-9248-6