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Article
X-ray Reflectometry of Thin Films Formed during Phase Separation of Organic Solutions of Aliphatic Polyethers in Water
The possibilities of X-ray reflectometry for studying the structure of planar liquid-phase membranes are demonstrated by the example of polyester films formed on the surface of deionized water from solutions o...
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Article
On the Spectrum of Interlayer Roughnesses in a Phospholipid Multilayer
The spectral properties of the correlation function of the heights of interlayer boundaries in a lamellar 1,2‑distearoyl-sn-glycero-3-phosphocholine film deposited on the surface of the hydrosol of amorphous s...
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Article
On the Influence of the Alkaline Composition of Liquid Subphase on the Nafion Film Morphology
An X-ray reflectivity analysis has shown that the composition of liquid substrates affects the structure of deposited Nafion (Teflon copolymer) films. A model of Nafion monomer, developed based on small-angle ...
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Article
A Thermostatic Chamber for X-Ray Studies of Thin Film Structures on Liquid Substrates
A universal thermostatic chamber has been designed for X-ray scattering studies of various types of adsorption layers at air–water and oil–water interfaces. The camera can be used both on a laboratory diffract...
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Article
Analysis of the Silica Sol Surface Structure by X-Ray Scattering Method
The structure of the planar surface of colloidal solutions of amorphous 27-nm silica sol particles enriched with heavy K+, Rb+, and Cs+ alkali ions is studied by the methods of reflectometry and diffuse (nonspecu...
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Article
Nonspecular X-Ray Scattering from a Planar Phospholipid Multilayer
Reflectometry and nonspecular (diffuse) X-ray scattering data are used to refine the structure parameters of planar multilayer films of saturated DPPC and DSPC phospholipids with thickness of about 400 Å forme...
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Article
X-Ray Reflectometry of the Adsorption Octadecanamide Film at the Toluene–Water Interface
The structure of an adsorption octadecanamide film at the planar toluene–water interface is studied by X-ray reflectometry using synchrotron radiation with photon energy of 15 keV. The electron density (polari...
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Article
Electrostatic and Structural Effects at the Adsorption of Polylysine on the Surface of the DMPS Monolayer
The effect of the adsorption of a polypeptide on the lateral interaction of dimyristoylphosphatidylserine molecules in different phase states on the surface of a 10 mM KCl aqueous solution has been studied. Ch...
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Article
Reflectometry of X-ray Whispering Gallery Waves Propagating along Liquid Meniscuses
X-ray reflectometry of whispering galleries (WGs), which propagate along meniscuses of deionized water or silica hydrosols (Ludox® SM) enriched by Cs+ ions, was analyzed for the first time. The measurements were ...
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Article
Solid–Liquid Phase Transition in the Octadecanoic Acid Film Adsorbed on the Toluene–Water Interface
The structure of the soluble protonated (pH = 2) octadecanoic acid film adsorbed on the saturated hydrocarbon (n-hexane)–water and aromatic hydrocarbon (toluene)–water interfaces is studied by X-ray reflectometry...
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Article
On the Diffuse Structure of the Toluene–Water Interface
The electric density profile along the normal to the phase interface between aromatic hydrocarbon toluene and water has been studied by X-ray reflectometry using synchrotron radiation. According to the experim...
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Article
Model-Independent X-Ray Scattering Study of a Silica Sol Surface
The structure of the adsorbed layer of alkali ions on the surface of colloidal silica solutions with a particle size of 27 nm has been studied by reflectometry and diffuse scattering of synchrotron radiation w...
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Article
X-Ray Study of Thermotropic Mesophases of an Adsorbed n-Triacontanol Film at the n-Hexadecane–Water Interface
Using synchrotron radiation with a photon energy of 15 keV, the molecular structure of an adsorbed n-triacontanol layer at the n-hexadecane–water interface in its different phase states has been studied by the di...
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Article
X-Ray Reflectometry of DMPS Monolayers on a Water Substrate
The molecular structure of dimyristoyl phosphatidylserine (DMPS) monolayers on a water substrate in different phase states has been investigated by X-ray reflectometry with a photon energy of ~8 keV. According...
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Article
Diffuse X-ray scattering near a two-dimensional liquid–vapor phase transition at the n-hexane–water interface
The molecular structure of neutral n-triacontanol mesophases at the n-hexane–water interface has been studied by diffuse X-ray scattering using synchrotron radiation. According to the experimental data, a transit...
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Article
X-ray study of the structure of phospholipid monolayers on the water surface
The possibility of laboratory X-ray reflectometry study of the structure of dimyristoyl phosphatidylserine (DMPS) phospholipid monolayers on the water surface in various phase states has been demonstrated.
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Article
Thermotropic phase transition in an adsorbed melissic acid film at the n-hexane–water interface
A reversible thermotropic phase transition in an adsorption melissic acid film at the interface between n-hexane and an aqueous solution of potassium hydroxide (pH ≈ 10) is investigated by X-ray reflectometry and...
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Article
Kinetics of the formation of a phospholipid multilayer on a silica sol surface
The ordering of a multilayer consisting of DSPC bilayers on a silica sol substrate is studied within the modelindependent approach to the reconstruction of profiles of the electron density from X-ray reflectom...
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Article
Diffuse X-ray scattering near a two-dimensional solid–liquid phase transition at the n-hexane–water interface
According to experimental data on X-ray scattering and reflectometry with synchrotron radiation, a twodimensional crystallization phase transition in a monolayer of melissic acid at the n-hexane–water interfac...
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Article
Solid–liquid phase transition in a Gibbs monolayer of melissic acid at the n-hexane–water interface
A sharp phase transition from a crystalline state with the area per molecule A = (17 ± 1) Å2 to a liquid state with A = (23 ± 1) Å2 at the n-hexane–water interface in a Gibbs monolayer of melissic acid has been r...
