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Please use this identifier to cite or link to this item: http://apo.ansto.gov.au/dspace/handle/10238/4761

Title: Equilibrium morphologies of nonionic lipid-nanoparticle mixtures in water: A self-consistent mean-field prediction
Authors: Lauw, Y
Keywords: ADSORPTION
SURFACTANTS
COPOLYMERS
BEHAVIOR
INTERFACES
MOLECULES
Issue Date: 15-Apr-2009
Publisher: Academic Press Inc Elsevier Science
Citation: Lauw, Y. (2009). Equilibrium morphologies of nonionic lipid-nanoparticle mixtures in water: A self-consistent mean-field prediction. Journal of Colloid and Interface Science, 332 (2), 491-496.
Abstract: We model ail aqueous system which comprises a mixture of lipid molecules and hydrophobic nanoparticles, by means of a self-consistent mean-field theory (SCMFT). Lipids are modeled as nonlinear/ branched copolymers with a single hydrophilic head group and a double hydrophobic tail. whereas nanoparticles are modeled as hard-spheres of a particular size. The mixture of lipids and nanoparticles leads to a formation of core-shell micellar structures where the hydrophobic nanoparticles and lipid tails form the core of the micelle, and the hydrophilic lipid head groups form the shell. Different micellar morphologies are found depending oil the total concentration of lipid molecules and nanoparticles, as well as the relative size of nanoparticles. There exist three distinct equilibrium Morphologies of lipid-nanoparticle micelles: circular micelles (CM), ellipsoidal micelles (EM), and bilayer/lamellar structures (BL). We observed some smooth morphological transitions and phase coexistences by evaluating the excess free energy of micelles. © 2009 Elsevier Inc.
URI: http://dx.doi.org/10.1016/j.jcis.2008.12.053
http://apo.ansto.gov.au/dspace/handle/10238/4761
ISSN: 0021-9797
Appears in Collections:Journal Articles

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