Double Scattering in a Structured System of Particles
Many problems arise in the analysis of dynamic light scattering data. Among those most often encountered in biological systems are polydispersity and multiple scattering. Multiple scattering is a problem due to the relatively high concentrations used and the sizes of the particles under study. A number of papers concerning multiple scattering from suspensions of particles undergoing Brownian motion have appeared over the past few years1–6. These papers have for the most part been concerned with non-interacting point particles. Sorensen et al.1,2 have developed a procedure for determining the double scattered field for such a system. We will extend this procedure to systems with structure due either to interactions or particle size.
KeywordsStructure Factor Multiple Scattering Biological Motion Laser Light Scattering Polystyrene Sphere
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