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wizyta

od 2020-09-20


Authors: Kozak M., Domka L., Jurga S.

Title: The effect of selected surfactants on the structure of a bicellar system (DMPC/DHPC) studied by SAXS

Source: Journal of Molecular Structure

Year : 2007


Abstract:

The stabilizing or disturbing effect of different surfactants on the bicellar phase of phospholipids significantly depends on their type. The effect of different surfactants on the bicellar structure made of a mixture of phospholipids 1,2-dimyristoyl-sn-glycero-3-phosphocholine and 1.2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC/DHPC) has been studied by the small angle scattering of synchrotron radiation. The study has been performed for three surfactants: dodecyldimethyl-(hexyloxymethyl)ammonium chloride, n-undecylammonium chloride and t-octylphenoxypolyethoxyethanol (Triton X-100) introduced into a bicellar solution of DMPC/DHPC (2.8:1). The bicellar phase has been disturbed in the shortest time in the presence of dodecyldimethyl-(hexyloxymethyl)ammonium chloride in this system a transition from the bicellar to lamellar structure has been directly visible. The changes have been less pronounced in the presence of undecylammonium chloride and practically not noted in the presence of Triton X-100.
(C) 2007 Elsevier B.V. All rights reserved.

DOI: 10.1016/j.molstruc.2007.01.038   (Pobrane:  aktualizowanie)

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