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Distribution of reorientation during bacterial tumbles.

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posted on 18.04.2012, 00:36 by Jonathan Saragosti, Pascal Silberzan, Axel Buguin

Reorientation distribution (circles) during tumbles (obtained on about 1200 tumble events, from Berg and Brown [7]) and best fit (solid line) obtained from Eq.2 corresponding to Dr = 3.5 rad2/s. The tumble times are described by a discrete exponential distribution (mean value tumble> = 0.14 s, time step Δτtumble = 0.1 s, same conditions as in [7]). The distribution of reorientation is well described by a rotational diffusion process.

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