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Mobility fluctuations and electrophoretic light scattering from macromolecular solutions

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Abstract

We discuss the origins and the effects of mobility fluctuations of rigid, globular macromolecules on a solution's electrophoretic light scattering spectrum. Assuming a dilute solution, a modified van Hove self-correlation function is calculated via van Kampen's time-ordered cumulant method and the results are compared with less rigorous approaches. The consequences of generalizing to dynamic external fields are briefly considered.

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Authors and Affiliations

  1. Center for Chemical Engineering, Thermophysics Division, National Bureau of Standards, 20899, Gaithersburg, Maryland

    J. B. Hubbard

  2. Department of Chemistry and the Institute of Theoretical Dynamics, University of California at Davis, 95616, Davis, California

    D. A. McQuarrie

Authors
  1. J. B. Hubbard
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  2. D. A. McQuarrie
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Hubbard, J.B., McQuarrie, D.A. Mobility fluctuations and electrophoretic light scattering from macromolecular solutions. J Stat Phys 52, 1247–1261 (1988). https://doi.org/10.1007/BF01011645

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  • DOI: https://doi.org/10.1007/BF01011645

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