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Article
Vortex Motion on the Surface of Shallow and Deep Water
The attenuation of vortex motion on the surface of shallow and deep water is investigated. The vortex flow is formed by two mutually perpendicular waves excited by plungers at a frequency of 6 Hz (wavelength λ...
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Article
Erratum to: Features of the Generation of Vortex Motion by Waves on the Surface of Shallow and Deep Water
An Erratum to this paper has been published: https://doi.org/10.1134/S1027451023010457
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Article
Features of the Generation of Vortex Motion by Waves on the Surface of Shallow and Deep Water
Experimental studies of processes of the formation of vortex motion on the surface of shallow and the deep water are conducted; this motion is generated by two waves with a frequency of 6 Hz propagating on the...
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Article
Structural-Dynamic Models of a Number of Fatty Acid Triglycerides for Describing the Vibrational Spectra of Cottonseed Oil
Vibrational IR spectrum in the area (900–4000 cm–1) and Raman spectrum in the area (600–1900 cm–1) of cold-pressed cottonseed oil were recorded. Structural and dynamic models of fatty acids, including linoleic, o...
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Article
Optical Clearing of Biological Tissues with a Number of Disaccharides
In this paper, we study the interaction of five immersion agents based on solutions of disaccharides (sucrose, maltose, lactose, trehalose, and cellobiose) with collagen peptide (GPH)3 as one of the main componen...
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Article
Development of a Method and Device for Determining the Excess of Sucrose Content in Honey
A mathematical model for determining the sucrose concentration in honey, based on the optical rotation of the plane of polarization in solutions, is described. The dependencies of the dispersion of the specifi...
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Article
Study of Electrical and Optical Properties of Biomaterials Based on Fisch Scales
We have studied the possibility of using fish scales of a common carp as an active element of the electric power generator, the characteristics of scales, as well as their long-term stability. As a result of e...
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Article
Application of IR Spectroscopy for the Estimation of the Relative Content of Unsaturated Fats in Vegetable Oils
The IR spectra of five samples of sunflower seed oils and five samples of cold-pressed olive oil of various brands are registered in the range of 650–3800 cm–1. The structural models of eight fatty acids: oleic, ...
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Article
The Use of IR Spectroscopy and Density Functional Theory for Estimating the Relative Concentration of Triglycerides of Oleic and Linoleic Acids in a Mixture of Olive and Sunflower Seed Oils
Infrared spectra of five samples of sunflower seed oil and five samples of cold-pressed olive oil of different brands are recorded in the range of 650–3800 сm–1. The structural models of eight fatty acids (oleic,...
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Article
Optical Clearing of Human Skin Using Some Monosaccharides in vivo
We present the results of in vivo optical immersion clearing of human skin by aqueous solutions of some immersion agents (ribose, glucose, and fructose monosaccharides and glycerol), obtained using optical coh...
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Article
Formation of Vortex Motion by Capillary Waves on the Surface of Water
The processes of the formation and decay of vortex motion on the surface of water are studied experimentally. The vortex motion is formed by capillary waves, which are generated as a result of harmonic oscilla...
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Article
Evolution of Foamed Liquids Structure
In this article the conducted experiments resulted in identifying a power nature of dependence of an average radius of bubbles in the model foam metastable samples on time with a value close to 0.5. The specia...
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Article
Molecular Modeling of the Post-Diffusion Stage of Surface Bio-Tissue Layers Immersion Optical Clearing
The interaction of an immersion agent such as glycerin with collagen mimetic peptide ((GPH)9)3 and a fragment of microfibril 5((GPH)12)3 is studied by the classical molecular dynamics method using GROMACS softwar...
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Article
The Use of Raman Spectroscopy and Methods of Quantum Chemistry for Assessing the Relative Concentration of Triglycerides of Oleic and Linoleic Acids in a Mixture of Olive Oil and Sunflower Seed Oil
The Raman spectra of five samples of sunflower seed oil and five samples of cold-pressed olive oil of various brands are recorded in the range of 500–2000 cm–1. Within the framework of the B3LYP/6-31G(d)/6-31G(d,...
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Article
Theoretical Interpretation of the Vibrational Spectra of Carboxylic-Acid Dimers in the High-Frequency Range
An anharmonic band shift in the vibrational spectra of carboxylic-acid dimers is estimated on the basis of ab initio quantum calculations of anharmonic force constants. The implementation of ab initio quantum ...
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Article
How the Vortex Motion of Gravity Waves on the Surface of Water is Formed
The formation of vortex motion by nonlinear gravity waves on the surface of water is studied experimentally in a bath with dimensions of 70 × 70 cm. Gravity waves are excited by two plungers installed perpendi...
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Article
The experimental vibrational infrared spectrum of lemon peel and simulation of spectral properties of the plant cell wall
The experimental vibrational IR spectra of the outer part of lemon peel are recorded in the range of 3800–650 cm–1. The effect of artificial and natural dehydration of the peel on its vibrational spectrum is stud...
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Article
Algorithm for solving the inverse vibronic problem on the basis of SVL fluorescence spectra
Computer methods whereby the inverse vibronic problem is solved on the basis of resonance fluorescence spectra with the use of modern quantum-mechanical methods for constructing structuraldynamic models of pol...
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Article
On algorithms for calculating the SVL-fluorescence spectra of polyatomic molecules
A software package for modeling the fluorescence spectra from a single vibrational level (SVL) of excited electron states under resonance laser excitation, in the adiabatic approximation with allowance for the...
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Article
Analysis of the structural and thermodynamic parameters of the hydrogen bond in complementary pairs of DNA and RNA bases
Density functional methods involving the B3LYP functional and M062X, WB97XD, and B97D ones optimized for calculations of long-range interactions are used to carry out theoretical analysis of the structural and...
