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. 2014 Sep 10;4(9):140097. doi: 10.1098/rsob.140097

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© 2014 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 1. — (a) Typical experimental image obtained from a scratch assay performed using 3T3 fibroblast cells. (b) Identification of the position of the cells. Scale bar corresponds to 250 μm. (c) Position of cells mapped to a square lattice, where the lattice size is equal to the cell diameter, Δ = 25 μm. (d) Pair correlation function q(i), obtained from experimental images at time t = 4 h (red), t = 8 h (green), t = 12 h (blue). Arrow indicates direction of increasing time. See §3.3 and the electronic supplementary material for details about the calculation and interpretation of q(i).