Dynamics of Structural Transformations between Lamellar and Inverse Bicontinuous Cubic Lyotropic Phases
Charlotte E. ConnDepartment of Chemistry, Imperial College London, Exhibition Road, London, SW7 2AZ, United KingdomOscar CesDepartment of Chemistry, Imperial College London, Exhibition Road, London, SW7 2AZ, United KingdomXavier MuletDepartment of Chemistry, Imperial College London, Exhibition Road, London, SW7 2AZ, United KingdomStéphanie FinetEuropean Synchrotron Radiation Facility, Boîte Postale 220, F-38043 Grenoble Cedex, FranceRoland WinterDepartment of Chemistry, Physical Chemistry I, University of Dortmund, Otto-Hahn-Straße 6, D-44227 Dortmund, GermanyJohn M. SeddonDepartment of Chemistry, Imperial College London, Exhibition Road, London, SW7 2AZ, United KingdomRichard H. TemplerDepartment of Chemistry, Imperial College London, Exhibition Road, London, SW7 2AZ, United Kingdom
2006en
ABI
Аннотация
The liquid crystalline lamellar (L(alpha)) to double-diamond inverse bicontinuous cubic (Q(D)(pi)) phase transition for the amphiphile monoelaidin in excess water exhibits a remarkable sequence of structural transformations for pressure or temperature jumps. Our data imply that the transition dynamics depends on a coupling between changes in molecular shape and the geometrical and topological constraints of domain size. We propose a qualitative model for this coupling based on theories of membrane fusion via stalks and existing knowledge of the structure and energetics of bicontinuous cubic phases.
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