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. 2013 Oct 28;8(10):e76756. doi: 10.1371/journal.pone.0076756

Figure 3. Sketch of the NK cell motion.

Figure 3

The NK cell is sketched as a red-orange circle: the brightness of the red color codes for increasing simulation time. Panel A: Inline graphic is the deviation angle sampled to implement for the Worm Like Chain model for the diffusion of the NK cell in the tissue. Monte Carlo algorithm for the cell-cell interactions: definition of the displacement parameter, Δd, used for the Metropolis test for the interaction onset. The symbols in panels B and C are: Inline graphic, Inline graphicand Inline graphic. Panel B reports an example of the interaction_start test. The root mean square displacement is Inline graphic. Depicted are two cases corresponding to Inline graphic and Inline graphic. In the first case Eq. 17 is satisfied even if Inline graphic, in the second case Eq. 17 is satisfied only if Inline graphic. Panel C reports an example of the interaction_stop test. In this case when Inline graphic Eq.18 is satisfied even if Inline graphic while when Inline graphic Eq.18 is satisfied only if Inline graphic.