The Asakura-Oosawa mixture    is used to study polymer-colloid mixtures. The mixture is composed of a binary mixture of hard spheres, which represent the colloids, and penetrable spheres, which represent the polymers.
- Sho Asakura and Fumio Oosawa "On Interaction between Two Bodies Immersed in a Solution of Macromolecules", Journal of Chemical Physics 22 1255 (1954)
- Sho Asakura and Fumio Oosawa "Interaction between particles suspended in solutions of macromolecules", Journal of Polymer Science 33 pp. 183-192 (1958)
- A. Vrij "Polymers at Interfaces and the Interactions in Colloidal Dispersions", Pure and Applied Chemistry 48 pp. 471-483 (1976)
- Mariano López de Haro, Carlos F. Tejero, Andrés Santos, Santos B. Yuste, Giacomo Fiumara and Franz Saija "Virial coefficients and demixing in the Asakura–Oosawa model", Journal of Chemical Physics 142 014902 (2015)
- Related reading
- Kurt Binder, Peter Virnau and Antonia Statt "Perspective: The Asakura Oosawa model: A colloid prototype for bulk and interfacial phase behavior", Journal of Chemical Physics 141 140901 (2014)
- Andrés Santos, Mariano López de Haro, Giacomo Fiumara and Franz Saija "The effective colloid interaction in the Asakura–Oosawa model. Assessment of non-pairwise terms from the virial expansion", Journal of Chemical Physics 142 224903 (2015)