Growth of myelin figures from parent multilamellar vesicles
File(s)
Accepted version
Author(s)
Khodaparast, Sepideh
Sharratt, William N
Dalgliesh, Robert M
Cabral, Joao T
Type
Journal Article
Abstract
We examine the formation and growth of isolated myelin figures and microscale multilamellar tubules from isotropic micellar solutions of an anionic surfactant. Upon cooling, surfactant micelles transform into multilamellar vesicles (MLVs) whose contact is found to trigger the unidirectional growth of myelins. While the MLV diameter grows as dMLV ∝ t1/2, myelins grow linearly in time as LM ∝ t1, with a fixed diameter. Combining time-resolved small-angle neutron scattering (SANS) and optical microscopy, we demonstrate that the microscopic growth of spherical MLVs and cylindrical myelins stems from the same nanoscale molecular mechanism, namely, the surfactant exchange from micelles into curved lamellar structures at a constant volumetric rate. This mechanism successfully describes the growth rate of (nonequilibrium) myelin figures based on a population balance at thermodynamic equilibrium.
Date Issued
2021-10-14
Date Acceptance
2021-10-01
Citation
Langmuir: the ACS journal of surfaces and colloids, 2021, 37 (42), pp.12512-12517
ISSN
0743-7463
Publisher
American Chemical Society
Start Page
12512
End Page
12517
Journal / Book Title
Langmuir: the ACS journal of surfaces and colloids
Volume
37
Issue
42
Copyright Statement
© 2021 American Chemical Society
Identifier
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000711763600027&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
Subjects
Science & Technology
Physical Sciences
Technology
Chemistry, Multidisciplinary
Chemistry, Physical
Materials Science, Multidisciplinary
Chemistry
Materials Science
LIQUID-CRYSTALS
PHASE
DYNAMICS
Publication Status
Published
Date Publish Online
2021-10-14