Genomics is a rapidly developing research area that studies genome structure, mechanisms of its functioning and genome and genes evolution. One of the key mechanisms of novel gene emergence is gene duplication. These events lead to the emergence of a gene with identical functions that can be lost, can change, or novel functions may be acquired. An example of genes that have evolved following...
The object of our research is a Fe3O4-SiO2-Au nanoparticles. The electron microscopy study showed that the nanoparticles had a core-shell structure. The average size of the magnetite core was 227±7 nm, the thickness of the protective shell made of SiO2 was 2 nm, the average size of gold nanoparticles covering the core was 16±0.6 nm.
To estimate the output of secondary electromagnetic...
Particlelike solutions can be configurated in SU(3) Yang-Mills theory with color electric and magnetic fields created by a nonlinear spinor field. Then it can be shown that the electric field expresses the Coulomb asymptotic behavior, whereas one of color components of the magnetic field behaves asymptotically like the field of a magnetic dipole. Therefore the corresponding charge and magnetic...
The one of the main aim for new multi-energy X-ray tomograph development based on the Widepix detector is materials decomposition. The Widepix detector is one of the Medipix family pixelated semiconductor hybrid detectors developed in Medipix collaboration. This detector has a high intrinsic spatial resolution and detecting radiation capable for wide energy range. It make possible to use...
In the present work, the influence of a neutron beam on the electrical properties of yttrium oxide is studied. The experiments were carried out in the temperature range of 300-700 K and were irradiated with fast neutrons of different intensity (4.0×1012 n/cm², 1.3×1013 n/cm² and 4.0×1014 n/cm²). It has been established that the electrical properties of Y2O3 nanocrystals in a wide temperature...
Determination of uranium by the INAA method was carried out with by a neutron activation unit. The unit was developed in the Institute of Chemistry of the Far Eastern Branch of the Russian Academy of Sciences, Vladivostok city. A 252Cf radioisotope source (type NK252M11) with a total neutron flux of 109 s-1 was used as a neutron source. Plexiglass was used as a moderator. It has been providing...
We consider thermodynamics of system of symmetric quantum rigid rotors that rotates with constant angular velocity. We show the free energy of the system is given by the sum of translational and rotational contributions. The rotational free energy is computed as the function of temperature and angular velocity. The angular velocity corrections to the thermodynamic potential are identified in...
The first results of scientific cooperation between Cuban and the Joint Institute for Nuclear Research (JINR) of Russian Federation researchers in the application of ion beam analysis (IBA) methods are presented. PIXE and RBS measurements were carried out at the EG-5 accelerator facilities of the Frank Laboratory of Neutron Physics (FLNP)/JINR, contributing this way to the characterization of...
Multiple-reflection time-of-flight mass spectrometer (MR-TOF MS) is being built in Flerov Laboratory of Nuclear Reactions in Joint Institute of Nuclear Research in Dubna. MR-TOF MS will help to determine mass of superheavy elements produced there. To measure mass of produced superheavy nuclei, those nuclei have to be slowed down first. This is done using cryogenic gas stopping cell (CGSC)....
Efficient cleaning of contaminated water by photocatalysis has become an effective strategy in recent years due to its environmental and ecological designation. The cadmium sulfate (CdS) composition was modified with dopants including gadolinium oxide (Gd2O3) and combined with graphene oxide (GO) nanoparticles. The obtained powdered compositions are pristine Gd2O3, CdS/Gd2O3 and CdS/Gd2O3@GO....
According to the theoretical predictions, a mixed phase of the quark-gluon plasma (QGP), which includes both the free quarks and gluons, and the protons with neutrons, must be formed within the range of the energies of 4 to 11 GeV per nucleon. The study of multi-particle correlations and fluctuations in secondary particle distributions is often used to search for quark-gluon plasma, since the...
It is known that the determination of the dynamic viscosity of liquids is important for determining their various physical properties. Therefore, extensive research has been carried out in this direction in recent years. It has been established that many factors can influence the viscosity of liquids. When studying the dynamic viscosity of liquid metals, it was found that the dynamic viscosity...
The SCAN-3 spectrometer has been upgraded to three-arm configuration. New arm added to spectrometer in 2022. Arm are presented setup of six multilayer neutron detectors orientated under 90 degree to another arms. The main aim of additional arm is determination of background components of the studied processes with the registration of correlated pairs by TOF method. The status of readiness to...
