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Track length and directness decrease during time-lapse and PMA. x-axis: 30-minute time intervals tMigration (min), y-axis: (a) mean track length (μm) in μm, comparing different PMA concentrations (0–10 nM); (b) mean directness, comparing different PMA concentrations (0–10 nM); ∗significant when compared to 10 nM PMA; ∗∗significant when compared to 3 nM and 10 nM PMA; error bars represent standard deviation of measurements.
