Per citar aquest document: http://ddd.uab.cat/record/118312
Three eras of micellization
Neu, J. C. (University of California at Berkeley. Department of Mathematics)
Cañizo Rincón, José Alfredo (Universidad de Granada. Departamento de Matemática Aplicada)
Bonilla, L. L. (Universidad Carlos III de Madrid. Departamento de Matemáticas)

Data: 2002
Resum: Micellization is the precipitation of lipids from aqueous solution into aggregates with a broad distribution of aggregation number. Three eras of micellization are characterized in a simple kinetic model of Becker-Döring type. The model asigns the same constant energy to the (k-1) monomer-monomer bonds in a linear chain of k particles. The number of monomers decreases sharply and many clusters of small size are produced during the first era. During the second era, nuclei are increasing steadily in size until their distribution becomes a self-similar solution of the diffusion equation. Lastly, when the average size of the nuclei becomes comparable to its equilibrium value, a simple mean-field Fokker-Planck equation describes the final era until the equilibrium distribution is reached.
Drets: Tots els drets reservats.
Llengua: Anglès.
Document: article ; recerca ; publishedVersion
Publicat a: Physical review. E : Statistical, nonlinear, and soft matter physics, Vol. 66, Number 6 (December 2002) , p. 061406/1-061406/9, ISSN 1539-3755

DOI: 10.1103/PhysRevE.66.061406


9 p, 112.5 KB

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