AbstractududMotion of cells in living tissues is hindered by obstacles, which may be stationary or may also move. We present a simplified method to calculate the exact Fickian diffusivity for a tracer particle in a random walk with one obstacle.ududKeywordsudud Random walk; Obstacles; Diffusivity; Mean squared displacement
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机译：摘要 ud ud生物组织中细胞的运动受到障碍物的阻碍，这些障碍物可能是静止的，也可能是移动的。我们提供了一种简化的方法来计算具有一个障碍物的随机游走中示踪粒子的精确Fickian扩散率。 ud udKeywords ud ud障碍物；扩散性均方根位移
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