Scientists from Immanuel Kant Baltic Federal University found out that prolonged mental load led to decrease of functional connectivity between frontal and parietal lobes of brain, that is followed by decrease of efficiency of information processing.
Scientists from Immanuel Kant Baltic Federal University for the first time obtained cobalt complexes-based self-oscillating gels. Such gels can occasionally change their geometric parameters, thanks to that they can be used for creation of chemomechanical materials, that transform chemical energy into the energy of mechanical oscillations. The emergence of propagating chemical waves inside such gels enables to use material for creation of devices, processing information using cooperation of chemical waves. Results of the research are published in magazine Gels.
Scientists at BFU named after Kant Immanuel have synthesized copper- and silver-based microparticles, stabilized with apple pectin. Experiments have shown that such particles effectively bind organic sulfur-containing compounds. Since substances containing sulphur atoms are present in the composition of oil and lead to metal corrosion, the development will help prevent pipelines and other equipment in contact with oil from premature destruction. The results are published in Journal of Ecological Engineering.
Scientists elaborated algorithm that much better detects epilepsy on EEG recordings, than other automated methods. To achieve this, authors combined two approaches to analysis of signals of brain activity – classifier, that doesn’t require education, and trainable neural network. The project will enable to automate analysis of EEG and so simplify the process of detecting of epilepsy. Results of the research, supported by the grant of Presidential program of Russian Scientific Foundation, are published in the magazine IEEE Access.
Scientists tested different methods of obtaining bacterial cellulose on the base of tea fungus. It turned out that when they grow on soybean molasses, microorganisms produce more by 57% of this product than on the base of tea with sugar. This method will make the production cheaper, because soybean molasses is a by-product of soybean processing, that is obtained in great amount at factories. Thanks to such cheap and accessible substrate it will be possible to produce bacterial cellulose, that is used in medicine for wound healing and neogenesis, industrially. Results of the research supported by the grant of Russian Scientific Foundation (RSF), are published in the magazine Food Science and Technology.
Scientists at BFU named after Kant Immanuel, doctor of Physics and Mathematics Artyom V. Astashenok and Alexander S. Tepliakov have proved the viability of a holographic dark energy model. Such model was considered unstable and therefore wasn’t widely used for describing the acceleration in the expansion of the Universe. The results of the research have been published in the Physics Letters B magazine.
Scientists from Immanuel Kant Baltic Federal University analyzed scientific works dedicated to the role of proteins prohibitins in the development of obesity. It turned out that these proteins promote development of inflammation both in separate cells and the whole organism. This happens because prohibitins stimulate emission of anti-inflammatory substances by immune cells, and also participate in destruction of mitochondria damaged during oxidative stress. Obtained information points to the fact that prohibitins can become targets for medicine aimed at struggle with obesity consequences. Results of the research are published in the magazine Frontiers in Molecular Biosciences.
Scientists have found that the naked mole-rat — an underground rodent that lives up to 40 years — has lost a number of CD1 functional genes. The CD1 gene family in mammals is responsible for protein synthesis that protects the body against infectious diseases. The findings indicate that the naked mole-rat’s immune system has significantly realigned and is using other — CD1-independent — molecular mechanisms. The results of the studies, supported by the Grants of Presidential program of the Russian Science Fund (RSF), were published in the Biology Direct magazine.
Scientists from the Immanuel Kant Baltic Federal University stated that the biological activity of extracts of four plants that growing in the Kaliningrad region is provided by phenolic compounds — aromatic alcohols. These substances provide antioxidant and antimicrobic properties to Aesculus hippocastanum, Melilotus officinalis, Eryngium maritimum, and Hedysarum neglectum.
Scientists from Immanuel Kant Baltic Federal University found out that mechanical impact on amorphic ferromagnetic wires during their heat treatment – annealing – improved magnetic properties of these composites. Such materials thanks to the ability to change their magnetization quickly can be used for creation of protective magnetic marks and trackers.
Psychiatrists have revealed acute delirious mania. The condition is a severe psychiatric syndrome, the clinical signs of which develop rapidly and force the patient to require emergency care.
Scientists from Immanuel Kant Baltic Federal University in frames of academic mobility between China and Russia together with colleagues from Qiqihar University grew “defective” crystals of tin diselenide, that have atoms of selenium in greater or less amount, than in standard structure of this compound.
Scientists from Immanuel Kant Baltic Federal University found out that polymeric coating enables to improve the structure and properties of magnetoelectric composites, that are used in medicine for drug delivery and also in creation of implants and tissues. Thus, modification with polymer helps equal distribution of composite’s components, and also enhances its piezoelectric properties by 40%.
Scientists from Immanuel Kant Baltic Federal University obtained vibrational spectra for 15 samples of amber and resins, that imitate amber, from all over the world. The data presented by authors can be used as a kind of standard in order to distinguish false gems and products from real amber. Results of the research are published in magazine Data in Brief.
Researchers from the National Autonomous University of Mexico, together with physicians of the Fray Bernardino Álvarez Psychiatric Hospital in Mexico city, have conducted a study, which demonstrated that male subjects with suicidal behavior who had not sought psychological or psychiatric assistance were likely to select more violent suicide methods compared to female subjects.
Scientists from Immanuel Kant Baltic Federal University proved that Raman spectroscopy, a method by which diffusion property of substances is analyzed, can be used in diagnosing of coronary vascular diseases.
Scientists at Immanuel Kant BFU have developed a mathematical model that describes human brain condition in epilepsy. The system reproduced changes in brain activity during a seizure, as well as taking into account multiple interactions among neurons and other brain cells.
An international collaboration of scientists with the participation of an ecologist from RUDN University conducted the first global analysis of leaf type. In addition, the authors described the current state of forests and said what will happen to them by the end of the century due to climate change.
An international collaboration of scientists with the participation of a RUDN ecologist has for the first time assessed the natural potential of the world's forests to retain carbon. The results can be called hopeful - those regions where forests can still be restored have great potential and will help reduce the amount of greenhouse gases.
RUDN engineers found how internal combustion engine performance changes with rapeseed oil instead of regular diesel fuel. This data will help regulate engine operation and, in the future, switch to plant biofuel.
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