Abstract
The theory of light scattering by hollow spherical particles is outlined in the cases where the scattering material consists of isotropic molecules, and anisotropic molecules arranged with spherical symmetry (leading to overall isotropy of the particles in a static field). The last case is related to the structure of hollow lipid spherules (liposomes). Particle scattering functions are evaluated numerically, and it is shown that isotropic hollow spherical particles scatter less light, and “anisotropic” hollow spherical particles more light at a given angle than isotropic solid spherical particles of the same radius of gyration. In addition, particle scattering functions are calculated for polydisperse systems of solid and hollow isotropic spherical particles. The reported light-scattering behaviour of phospholipid sols (D. Attwood and L. Saunders, Biochim. et Biophys. Acta 98 (1965) 344) is discussed in the context of this theory.
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