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A molecular dynamics study of structure and dynamics of surfactant molecules in SDS spherical micelle

An analysis of structure and dynamics of surfactant molecules in SDS micelle is presented based on molecular dynamics calculations. Two-dimentional surface correlation function for the hydrophilic sulfur atoms as well as the bond analysis between the hydrophobic alkyl chains shows that the surfact...

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Bibliographic Details
Main Authors: Yoshii, N., Okazaki, S.
Format: Article
Language:English
Published: Інститут фізики конденсованих систем НАН України 2007
Series:Condensed Matter Physics
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/118949
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Summary:An analysis of structure and dynamics of surfactant molecules in SDS micelle is presented based on molecular dynamics calculations. Two-dimentional surface correlation function for the hydrophilic sulfur atoms as well as the bond analysis between the hydrophobic alkyl chains shows that the surfactant molecules are packed sparsely in the micelle such that they form a soccer ball-like structure characterized by the coordination number of three. The hydrophobic bond between the surfactant molecules is produced and annihilated repeatedly in a time scale of about 100 ps but disappears by their diffusion in a time scale of about 1 ns.