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. 2014 Sep 10;9(9):e105406. doi: 10.1371/journal.pone.0105406

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© 2014 Zhu et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Inline graphic — A sample of 205 cells crawling over a plastic hydrophobic surface were subjected to a shear stress 0.18 Pa in the positive -direction, with a soluble calcium concentration of 3 mM. Hundred time samples were collected every 3.5 seconds. (A) Odograph for the average cell position along the signal direction (blue dots). The red dashed line corresponds to a purely uniform translation with . (B) Odograph for the average cell position transversely to the signal direction. (C) Average cell trajectory . (D) Coefficient of variation vs. time for the motion along the signal direction.

A sample of 205 cells crawling over a plastic hydrophobic surface were subjected to a shear stress 0.18 Pa in the positive -direction, with a soluble calcium concentration of 3 mM. Hundred time samples were collected every 3.5 seconds. (A) Odograph for the average cell position along the signal direction (blue dots). The red dashed line corresponds to a purely uniform translation with . (B) Odograph for the average cell position transversely to the signal direction. (C) Average cell trajectory . (D) Coefficient of variation vs. time for the motion along the signal direction.