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Methods for Enhancing Emissive Ability of the Carbon Nanotubes

Authors: Glukhova O. Е., Kirillova I. V., Savin A. N., Grebenyuk K. A., Slepchenkov M. М., Kolesnikova A. S., Fadeev A. A., Smigin D. S.

The analysis of papers devoted to study of the emission properties of the carbon nanotubes and to revealing ways for the control of these properties has been performed. Five main methods for enhancing emissive ability of the carbon nanotubes have been singled out.

Structural-dinamics Models and Spectral Identification of Monohydroxysubstituted Flavone

Authors: El’kin P. M., Shagautdinova I. T., Pulin V. F.

On based of the calculations for parameters of adiabatic potential by method DFT/b3LYP are proposed the structural-dinamics models for monohydroxyflavones. The indications of spectral identification are revealed.

Instanton for the Maxwell–Einstein Equations

Authors: Zayko Y. N.

In this article instanton solution for the Maxwell–Einstein equations is investigated. Equations for the field of instanton and metrics are derived. Metrics of pseudoeuclidean space which is corresponding to transition between degenerate classical vacua of problem and is connected with presence at the space infinity divergent and convergent spherical electromagnetic waves is studied. An expression of the instanton is received and it’s size is found. Value of pseudoeuclidean action is calculated.

Using of Method Spectrometric Analysis for Detection Microorganisms

Authors: Utkin D. V., Germanchuk V. G., Yerokhin P. S., Spitsyn A. N., Shcherbakova S. A., Glazkov A. N.

This article presents data on the development of a new tool and method for detection of dangerous infectious diseases agents, which is based on spectrometric analysis. A device for detection of mentioned agents and software for analysis of results have been developed. This device allows to carry out non-specific and specific detection of pathogens with 30 minutes.

Dispersion Characteristic Calculation of Photonic Crystal Fiber Guided Modes

Authors: Plastun A. S., Konyukhov A. I.

Dispersion characteristic of photonic crystal fiber guided mode is calculated. Numerical modeling based on the Maxwell equation for magnetic components for field of the photonic crystal is obtained. It is shown, that slot photonics crystal waveguides can be used to tailor dispersion.

Influence of Water and Biology Active Media on Silicon Nanostructures

Authors: Belenko D. I., Bilobrova O. Y., Galushka V. V., Karsakova Y. D., Melnikova T. E., Mysenko I. B., Polyanskaya V. P., Therin D. V.

The obtained results of comparative study of solubility, optical properties and morphology of silicon nanoparticles and nano porous Si before, during and after interaction with distilled water and the biology active medium- yeast (Saccharomycetes cereviseae) show the significant dependence of the interaction between water and BAM on structure of the researched materials.

Methodological Aspects and Structure Modelling and Predicting the Behaviour of Nanocomposite Materials in QuantumWise

Authors: Belenko D. I., Therin D. V., Kondrateva O. Y., Revzina E. M., Venig S. B.

Methodological aspects and structure modelling and predicting the behaviour of nanocomposite materials in QuantumWise are discussed.

The Effect of Illumination on Conformation of Polyelectrolyte Molecules During Adsorption onto Semiconductor Substrate

Authors: Malyar I. V., Stetsyura S. V.

The analytical model describing the influence of illumination of semiconductor substrate during polyelectrolyte adsorption onto it, which results in different deposited organic layer thickness, was suggested. The both changes of non-equilibrium charge carriers concentrations and surface charge density under illumination of semiconductor were considered, which allows one to explain changing of adsorbed layer thickness due to molecule conformation changes because of their electrostatic interaction with photosensitive substrate.

Comparative Experimental Investigations of Backward Diffuse Light Scattering of Test Objects

Authors: Revzina E. M., Maximova I. L., Skaptsov A. A.

The results of measurements of the spectral characteristics of the light scattering on test objects with different types of spectroscopic instruments were compared, backward diffuse scattering spectra, which were obtained with an integrating sphere and with the help of the illuminating and receiving optical fibers located at a short distance, were considered, the features of the spectral characteristics, which were determined by the parameters of the object, and the differences, which were caused by a method of recording of the spectrum, were identified in the scientific work.

Kinetics of Diffusion-limited Elongation of DNA Fragments

Authors: Grigoriev A. V., Manturov A. O.

The numerical model of the elongation kinetics of the single-stranded DNA has been proposed and studied. The proposed model is based on the principles of the phenomenological modelling and implemented as diffusion cellular automata. The analytical and numerical estimates of the elongation reaction rate for different concentrations of nucleotides has been obtained. The possibility of nucleotide binding delays with reducing the concentration of one of the nucleotides in the solution is shown. 

Study of Stochastic Andronov – Hopf Bifurcation in the Oscillator by a Numerical Method

Authors: Kuptsova A. A., Semenov V. V., Listov A. S.

We investigate soft Andronov – Hopf bifurcation in the Van der Pol self – sustained oscillator, which is under the influence of additive Gaussian white noise. To determine the bifurcation used numerical solution of the Fokker – Planck – Kolmogorov equation. The results are compared with the data of numerical integration of stochastic equations. Demonstrated the existence of a bifurcation interval calculated theoretically in [6].

Reception of Ultrashort Radio Pulses Propagating in a Dispersion Medium

Authors: Ivanchenko V. A., Kuznetsov V. E., Nikolaev V. V.

Signal spectrum detection algorithm of ultrashort radio pulses sequence propagating in a dispersion medium is developed. Technical implementation of detection device is considered.

Voltage-capacitance Characteristics of MIS-structures Based on Ferroelectric Films

Authors: Afanasyev M. S., Mitiagin A. Y., Chucheva G. V.

Metal–ferroelectric–semiconductor (MFS) heterostructures are created on n-type and p-type silicon substrates. Electronically-controlled capacitors are realized in MFS heterostructures. Measured parameters of electronically-controlled capacitors at 50 V bias voltage showed, that the stroke of voltage-capacitance characteristics of capacitors on the p-type silicon mirror reflexion of the stroke of voltage-capacitance characteristics of capacitors on the n-type silicon.

Calculation of Thermal Parameters and Technology of Formation MPL Microwave Range

Authors: Afanasyev M. S., Levashov S. A., Mitiagin A. Y., Chucheva G. V., Nabiyev A. E.

The calculation of thermal parameters of super-high frequency microstrip microwave is performed. Calculations showed, that the high thermal conductivity of a diamond enables effective removal of heat from the active zone of microstrip microwave, increasing the output power up to 50 W at 3 GHz frequency without compromising the frequency characteristics of microstrip microwave.

Hydrogen Bonding and its Influence on the Structure and Vibrational Spectra of Cyclohexanol

Authors: Babkov L. M., Davydova N. A., Moisejkina E. A.

In the range of 600–3600 cm–1 in a wide range of temperatures, in different phase states (plastic phase I, the crystalline phase II and III) IR spectra of cyclohexanol have been measured. Using method of density functional theory (B3LYP) in the basis of 6-31G (d) the structural-dynamic models of conformers of cyclohexanol molecules differing from each other by orientation of hydroxyl group relatively carbonic ring and H-complexes with different structures, which presumably realized in polymorphic modification of cyclohexanol, have been constructed.

Influence of the H-bonding to the Structure and Vibrational Spectrum of 2,3-di-O-nytro-methyl-β-D-glucopyranoside

Authors: Babkov L. M., Ivlieva I. V., Korolevich M. V.

Structural-dynamic models of 2,3-di-O-nytro-methyl-β-D-glucopyranoside and its H-complexes were constructed by density functional method using the functional B3LYP in the basis 6-31G (d). Energies, structures, dipole moments, polarizabilities, frequencies of normal modes in harmonic approximation and IR intensities have been calculated. Interpretation of IR spectrum of the 2,3-di-O-nytromethyl-β-D-glucopyranoside and ethanol complexes is presented in range 600–3700 cm–1.

Influence of the Co-Phase Harmonis Excitation on the Dynamics of the Two Coupled Period Doubling Systems

Authors: Popova E. S., Seleznev E. P.

The system of two coupled maps under in-phase harmonic forcing is investigated numerically. By calculating of the lyapunov exponent spectrum the structure of control parameters space is investigated, the existence regions of the various multistable states are presented, the structure of the basins of attraction is studed.

Dynamics of the Coupled Nonautonomous Nonlinear Oscillators with Irrational Driving Frequencies Ratio

Authors: Popova E. S., Zakharevich A. M., Seleznev E. P.

In present article the system of the two coupled nonautonomous nonlinear oscillators with irrational driving frequencies ratio is investigated experimentally. The existence regions of the various dynamical types are presented on the external excitation parameter plan. It is shown that in the case of irrational driving frequencies ratio and as result invariance system dynamics due to phases or phase difference of excitation in phase space exist torus, double torus, strange nonchaotic attractor, chaos and hyperchaos only.

Comparative Analysis of Different Types of Phototherapy in Patients with Lichen Planus

Authors: Slesarenko N. A., Reshetnikova E. M., Reznikova M. A.

Presents clinical-immunological study of 26 patients with lichen planus (LP) (typical manifestations on the skin and mucous membranes). It was found that for the LP characterized by the appearance of the blood of an increased number of lymphocytes with active nuclear chromatin, which testifies to the intensive cellular immune response. Comparative evaluation of clinical effectiveness and impact on the immune response of the two methods of phototherapy (photochemotherapy (PUVA) and narrow-band UVB - therapy (UV-B 311нм)).

Rotational Isomeric and Vibrational Spectra of Monomers and Dimers for Acrylic Acid

Authors: El’kin M. D., Erman E. A., Nuralieva D. M.

In frame of method DFT/b3LYP modelling calculation of geometrical structure and vibrational spectra for monomers and dimmers of trans- and cis- isomers of acrylic acid are carried out. The influence of anharmonic resonance effects and intermolecular interection on state and intensities of bands in IR and Raman spectra are researched.

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