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Current issue   Ukr. J. Phys. 2015, Vol. 60, N 9, p.905-909
https://doi.org/10.15407/ujpe60.09.0905    Paper

Bulavin L.A.1,2, Soloviov D.V.2,3,4, Kuklin A.I.3,4, Lisetski L.N.5, Kasian N.A.5, Krasnikova A.O.5, Vashchenko O.V.5, Zinchenko A.V.6

1 Taras Shevchenko National University of Kyiv
(4, Academician Glushkov Ave., Kyiv 03022, Ukraine)
2 Institute for Safety Problems of Nuclear Power Plants, Nat. Acad. of Sci. of Ukraine
(12, Lysohirska Str., Kyiv 03680, Ukraine)
3 Joint Institute for Nuclear Research
(6, Joliot-Curie Str., Dubna, Moscow region, 141980, Russian Federation)
4 Moscow Institute of Physics and Technology
(9, Institutskii Per., Dolgoprudnyi, Moscow Region, 141700, Russian Federation)
5 Institute for Scintillation Materials, Nat. Acad. of Sci. of Ukraine
(60, Lenin Ave., Kharkiv 61001, Ukraine; e-mail: lisetski@isma.kharkov.ua)
6 Institute for Problems of Cryobiology and Cryomedicine, Nat. Acad. of Sci. of Ukraine
(23, Pereyaslovskaya Str., Kharkiv 61015, Ukraine)

Small-Angle X-Ray Scattering and Differential Scanning Calorimetry Studies of DPPC Multilamellar Structures Containing Membranotropic Agents of Different Chemical Nature

Section: Solid matter
Original Author's Text: English

Abstract: Multilamellar structures formed in DPPC/water/glycerol and DPPC/water/oxyethylated glycerol systems are studied by small-angle X-ray scattering (SAXS) and differential scanning calorimetry (DSC) methods. The effects of glycerol, oxyethylated glycerol, and other membranotropic agents (MTAs) on the lamellar repeat distance D are compared in gel, ripple, and high-temperature (Lα) liquid crystal phases of the hydrated phospholipids. It is noted that the introduction of MTAs could lead to different types of ‘D vs. temperature’ behavior in the Lα phase, which is correlated with changes in D caused by the introduction of these substances to the DPPC/water reference system

Key words: small-angle X-ray scattering, membranotropic agents, liquid crystal, dipalmi-toylphosphatidylcholine.


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