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Biophysical Journal 16: 535-540 (1976)
© 1976 the Biophysical Society

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Application of splines to the calculation of bacterial swimming speed distributions.

G B Stock

ABSTRACT

A new method of extracting information about bacterial speeds from photon correlation spectroscopy is presented. This method has the advantage that an estimation of the translational speed distribution is directly varied so as to achieve a best least-squares fit to the experimental autocorrelation function. The theory of spline approximations to continuous functions is briefly outlined. The importance of the previously disregarded diffusional component of bacterial motion is discussed. Experimental data from Salmonella at a low scattering angle is analyzed by this method of spline approximation and the distribution of translational speeds is obtained.




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J Frost and H. Cummins
Motility assay of human sperm by photon correlation spectroscopy
Science, June 26, 1981; 212(4502): 1520 - 1522.
[Abstract] [PDF]


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Copyright © 1976 by the Biophysical Society.