Biophysical Journal
Volume 47, Issue 3, March 1985, Pages 323-325
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A Birefringence Relaxation Determination of Rotational Diffusion of Magnetotactic Bacteria

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The orientational relaxation of the magnetotactic bacterium Aquaspirillum magnetotacticum is observed by the decay of the optical birefringence upon switching off an aligning magnetic field. The data yield a rotational diffusion constant Dr [unk] 0.13 s-1 and information about cell sizes that is consistent with optical microscopy data.

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