Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 60538
Title Self-consistent field theory for the nucleation of micelles
Author(s) Besseling, N.A.M.; Cohen Stuart, M.A.
Source Journal of Chemical Physics 110 (1999). - ISSN 0021-9606 - p. 5432 - 5436.
Department(s) Physical Chemistry and Colloid Science
Publication type Refereed Article in a scientific journal
Publication year 1999
Abstract We report the first molecular model for the transition states (critical nuclei) that determine the rate of micelle formation and breakdown. These processes, and homogeneous nucleation of macroscopic phase separation are handled in a unified way. It turns out that with micelle-forming amphiphiles several new features appear that do not occur with ordinary phase separation. We predict that the activation free-energy barrier for micelle formation is maximal but finite at the critical micelle concentration (CMC) and decreases with concentration. The barrier for micelle breakdown vanishes at the CMC and increases with concentration. Furthermore, our results indicate formation of transient large aggregates upon quenches far beyond the CMC.
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