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Biophysical Journal 47: 323-325 (1985)
© 1985 the Biophysical Society

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A Birefringence Relaxation Determination of Rotational Diffusion of Magnetotactic Bacteria

Charles Rosenblatt, Richard B. Frankel and Richard P. Blakemore

ABSTRACT

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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Copyright © 1985 by the Biophysical Society.