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Motion of stretching device using SMA as a power source.

Supplementary Movie 1 For: Cyclic stretch of the substratum using a shape-memory alloy induces directional migration in Dictyostelium cells. Motion of stretching device using SMA as a power source. To generate the power to stretch the elastic sheet, 4 pieces of coiled SMA were connected in parallel to the left edge of the sheet. The time cycle was 30 s. The movie is shown 5× faster than real time.

Video Date: September 16 2009 Run Time: 0:29
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