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26 Mar 2007

Volume 90, Issue 13, Articles (13xxxx)

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Appl. Phys. Lett. 90, 134101 (2007); http://dx.doi.org/10.1063/1.2679209 (3 pages)

S. Srinivasan, J. Hiller, B. Kabius, and O. Auciello
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Analysis of soft cantilevers as force transducers

Yu Xiang and David A. LaVan

Appl. Phys. Lett. 90, 133901 (2007); http://dx.doi.org/10.1063/1.2716376 (3 pages) | Cited 9 times

Online Publication Date: 29 March 2007

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High density arrays of polydimethylsiloxane (PDMS) cantilevers to measure basolateral cell forces offer new insight into cell mechanics and motility, but the analysis of the force from displacement data often violates simplifications in the deformation theories. Theoretical and numerical solutions for PDMS cantilever deflection are presented, incorporating both shear strain and large-deflection theory. Classical large-deflection theory was found to be appropriate for PDMS cantilevers with L/D of 10 or higher, but numerical solutions of large deformation that also incorporate shear strain were necessary when L/D was smaller than 10.
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07.07.Mp Transducers
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