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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Seddon, Annela M.
University of Bristol
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2022Scale-Invariance in Miniature Coarse-Grained Red Blood Cells by Fluctuation Analysiscitations
- 2019Bénard-Marangoni Dendrites upon Evaporation of a Reactive ZnO Nanofluid Dropletcitations
- 2018Structure of the Crystalline Core of Fiber-like Polythiophene Block Copolymer Micellescitations
- 2015Self-assembly of a functional oligo(aniline)-based amphiphile into helical conductive nanowirescitations
- 2014Experimental confirmation of transformation pathways between inverse double diamond and gyroid cubic phasescitations
- 2007Bio-functional mesolamellar nanocomposites based on inorganic/polymer intercalation in purple membrane (bacteriorhodopsin) filmscitations
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article
Experimental confirmation of transformation pathways between inverse double diamond and gyroid cubic phases
Abstract
A macroscopically oriented double diamond inverse bicontinuous cubic phase (QII(D)) of the lipid glycerol monooleate is reversibly converted into a gyroid phase (QII(G)). The initial QII(D) phase is prepared in the form of a film coating the inside of a capillary, deposited under flow, which produces a sample uniaxially oriented with a ⟨110⟩ axis parallel to the symmetry axis of the sample. A transformation is induced by replacing the water within the capillary tube with a solution of poly(ethylene glycol), which draws water out of the QII(D) sample by osmotic stress. This converts the QII(D) phase into a QII(G) phase with two coexisting orientations, with the ⟨100⟩ and ⟨111⟩ axes parallel to the symmetry axis, as demonstrated by small-angle X-ray scattering. The process can then be reversed, to recover the initial orientation of QII(D) phase. The epitaxial relation between the two oriented mesophases is consistent with topology-preserving geometric pathways that have previously been hypothesized for the transformation. Furthermore, this has implications for the production of macroscopically oriented QII(G) phases, in particular with applications as nanomaterial templates.