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. Author manuscript; available in PMC: 2015 Jun 7.
Published in final edited form as: Lab Chip. 2015 May 11;15(11):2496–2503. doi: 10.1039/c4lc01395f

Fig. 7.

Fig. 7

(a) Tracking of dynamic actuation of a microtissue with lid device, showing 2 Hz modulation in force on microtissue (blue trace) and length (red trace) in response to a 1 Hz AC external magnetic field. The tissue length is reported as the inner edge-to-edge separation between the pillars. (b) Change in elastic modulus of microtissues cultured for one day and then stimulated at 2 Hz (1 Hz external field) for 15 min. (red traces). Results are taken from two MMT arrays under identical conditions. All microtissues showed an increased stiffness. The average stiffness before and after stimulation (black symbols) showed a 31% increase.