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NMR self diffusion measurements of the monooleoylglycerol/poly ethylene glycol/water L-3 phase
KTH, Superseded Departments, Chemistry.
2002 (English)In: Colloids and Surfaces B: Biointerfaces, ISSN 0927-7765, E-ISSN 1873-4367, Vol. 26, no 02-jan, 21-29 p.Article in journal (Refereed) Published
Abstract [en]

The monooleoylglycerol (GMO)/poly ethylene oxide (PEG)/water sponge (L-3) phase has been investigated by pulsed-gradient spin-echo NMR self-diffusion. The data allow the L-3 phase to be modeled as a bicontinuous system with respect to the lipid and water domains. It is proposed by using the interconnected rod model that the solvent PEG mainly distributes to the water domain, but has a higher weight fraction partition to the lipid head groups of the local GMO bilayer than water. The data is put in relation to earlier self-diffusion measurements on the binary GMO/water cubic phase, as well as earlier conductivity and X-ray diffraction measurements on the very same L-3 phase.

Place, publisher, year, edition, pages
2002. Vol. 26, no 02-jan, 21-29 p.
Keyword [en]
bicontinuous cubic phases, monoglyceride-water systems, bilayer, l3, lamellar, echo
URN: urn:nbn:se:kth:diva-22083ISI: 000179487200003OAI: diva2:340781
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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