Lipid Liquid-Crystal Phase Change Induced through near-Infrared Irradiation of Entrained Graphene Particles

Lipid packing is intimately related to the geometry of the lipids and the forces that drive self-assembly. Here, the photothermal response of a cubic liquid-crystalline phase formed using phytantriol in the presence of low concentrations of pristine graphene was evaluated. Small-angle X-ray scatteri...

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Bibliographic Details
Published in:Langmuir 2015-06, Vol.31 (24), p.6605-6609
Main Authors: Quinn, Matthew D. J, Du, Joanne, Boyd, Ben J, Hawley, Adrian, Notley, Shannon M
Format: Article
Language:English
Subjects:
Graphite - chemistry
Graphite - radiation effects
Infrared Rays
Lipids - chemistry
Lipids - radiation effects
Liquid Crystals - chemistry
Liquid Crystals - radiation effects
Particle Size
Phase Transition - radiation effects
Scattering, Small Angle
Surface Properties
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Summary:Lipid packing is intimately related to the geometry of the lipids and the forces that drive self-assembly. Here, the photothermal response of a cubic liquid-crystalline phase formed using phytantriol in the presence of low concentrations of pristine graphene was evaluated. Small-angle X-ray scattering showed the reversible phase changes from cubic to hexagonal to micellar due to localized heating through irradiation with near-infrared (NIR) light and back to cubic after cooling.
ISSN:0743-7463
1520-5827
DOI:10.1021/acs.langmuir.5b01308