RUDN University mathematicians compared two popular machine learning models for predicting network traffic. The authors named in which situations the models perform better. This is important for optimizing 5G and 6G networks, which must adapt to changes in traffic and user demands.
RUDN University agronomists have built a map of the evolution and genetic diversity of millet. This drought-resistant cereal is underestimated, but new data will help to carry out breeding and increase its yield.
RUDN University biologist described a green method for obtaining copper oxide nanoparticles from the noni plant (Morinda citrifolia), common in Asia. These nanoparticles have pronounced bactericidal and fungicidal properties.
RUDN University agronomists have built a map of the evolution and genetic diversity of millet. This drought-resistant cereal is underestimated, but new data will help to carry out breeding and increase its yield.
Because of the lockdown during the pandemic, mentally ill patients could not get in-person psychiatric counseling on a regular basis.
Scientists from the FRC “Fundamentals of Biotechnology” and Shemyakin-Ovchinnikov Institute of bioorganic chemistry studied the 3D structure of AstaPo1 and its relationship to the protein function.
RUDN University agronomists and colleagues from China and Iran helped tomatoes cope with the toxic effect of aluminum in acidic soils with the help of melatonin.
Scientists from the RUDN University and colleagues from Iran have determined the optimal dosage of a popular dietary supplement for rainbow trout. Exceeding it not only neglects a positive effect but can cause harm to the health of the fish.
RUDN Laboratory of Biology of Single Cells studied the possibilities of DNA sequencing at the level of individual cells in patients with a rare form of childhood leukemia.
RUDN University mathematicians have proposed a new scheme for 5G networks that optimizes access to different network segments. The number of non-priority tasks awaiting the start of execution or interruption has halved, while the probability of disconnection for them does not exceed 0.1%.
Unexpected model was suggested by the scientist of The Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences (Research Center of Biotechnology RAS).
Immunologists found the difference between antibodies that react to birch pollen allergens in healthy people and patients with allergies. The authors also found out why not all classes of antibodies can protect against allergies. The results were published in Allergy.
Researchers at the Research Institute of Molecular and Cellular Medicine of RUDN University have found that with significant damage to the liver, the spleen begins to actively help its neighbor in the abdominal cavity. It shares immune cells and triggers anti-inflammatory processes.
A RUDN University physician and colleagues from Kazakhstan were the first to study how fine particulate matter in the air of a working area affects the health of reinforced concrete production workers.
Specialists studied influence of increased salinity on composition of hemolymph – liquid, that circulate in vessels and intracellular hollows of mollusk Anadara kagoshimensis and also examined condition of “blood” cells – hemocytes, that fulfil function similar to blood corpuscle of vertebrates.
A RUDN University mathematician and a colleague developed a theoretical model of mass extinction. The model for the first time took into account two important factors - the inverse effect of vegetation on climate change and the evolutionary adaptation of species.
Scientists analyzed artefacts of Late Bronze Age, found in Ural-Kazakhstan region. Alloys of iron in most findings were natural ones. The only place in the region where miners had mined iron ore in II millennium BC is settlement Kent in the Central Kazakhstan.
Russian scientists studied artefacts from cultural layer of the Vorovskaya Yama mine, situated in the Chelyabinsk region, and found out that there, apart from ore production, people made metalworking. About 1500 years BCE masters melted out products from copper and tin bronze.
Russian scientists analyzed the process of accumulation of heavy metals in sediments of lakes of polar and subpolar regions of the world. Researchers found out that lead and antimony are well accumulated even in lakes situated far from direct sources of pollution.
RUDN University psychologists have developed a questionnaire to determine how students feel about digital educational technologies. It is one of the first such scales in Russia.
The dependence between biomechanical properties of extracellular matrix and the development of tumor cells inside it was proven by scientists. This will allow to create more realistic models for studying growth of cancer tumors and metastases.
RUDN University agronomists and colleagues from Egypt, Kazakhstan, and Russia have found a way to mitigate the damage from soil salinity. To do that, they used not synthetic chemicals but completely harmless amino acids.
Russian hydrophysicists elaborated a method for research of salinity of the Azon Sea with the help of data from the remote sensing. Scientists matched satellite images of water surface with field measurements and discovered that they can prognose salinity of water with an accuracy to 95%.
Scientists refined the method of diffusion saturation of steel and combined it with polishing in electrolyte plasma. Under the influence of current in solutions, that contained nitrogen, boron and carbon, on the surface of samples there was a formation of modified structure.
Scientists have suggested the technology that increases hardness and wear properties of titanium products. With the help of plasma electrolysis authors of the work have formed on the surface of the material rough oxide coating, and under it – solid solution of nitrogen and carbon.
RUDN University ecologists showed how different soils can retain carbon. It will help organize land use in such a way as to increase the storage of carbon in the soil and reduce the volume of greenhouse gases
Scientists improved the method of plasma electrolytic treatment, in frames of which on the surface of sample from stainless steel they formed oxide coating. They used solutions that contained compounds of nitrogen, boron and carbon, that led to formation of corresponding modified layer under oxide coating.
Scientists have showed that medicine on the base of vitamin B6 can be used for treatment of post-COVID asthenia – condition when patients complain of rapid fatigability, problems with memory and sleep. Taking of this product enabled 35% patients to improve memory, 40% patients began to sleep well, 42% of people began to get tired more slowly. Besides this taking this medicine enabled patients to experience physical activity easier. Results of the research are published in Magazine of Infectology.
Scientists from Immanuel Kant Baltic Federal University on the base of literary sources have described in detail the connection between intracellular processes in mitochondria and metabolic disorders in human’s organism that lead to obesity and cardiovascular diseases.
Economists from RUDN University have created a methodology based on mathematical modeling to manage production effectively with rapidly emerging innovations.
RUDN University ecologists have shown how urban growth leads to an increase in the temperature of the surface. Sealing the soil in asphalt and concrete prevents it from cooling and equalizing the temperature.
RUDN University agronomists have shown that the hormone melatonin and the mineral zeolite mitigate the dangerous effects of heavy metals on plants. The first protects cells from destruction by cadmium, and the second increases nutrient availability and prevents the absorption of hazardous metals into the plant. The study was carried out on bamboo.
RUDN University ecologists and colleagues from Algeria, Greece, Egypt, and Russia have determined the scale and causes of desertification in northern Algeria. The analysis was carried out using satellite images in different ranges. Over six years, the area of usable land has decreased by 1.5-9 times.
Biochemists from RUDN University described how to prevent cancer cells from becoming resistant to chemotherapy drugs. Having determined the resistance mechanism, biochemists selected a drug that can slow down it.
The RUDN University economist has developed a new typology of theoretical approaches to innovations study. It expands theoretical knowledge in this field of science. Based on the new typology, the scientists named the most promising areas for further research on innovation.
A RUDN University doctor named the reasons why nickel industry workers may develop several chronic diseases at once. The authors analyzed long-term data, identified the main risk factors, and suggested how to improve the situation.
RUDN University scientists have found the most accurate way to determine the spatial structure of urban confinement using satellite images. It will help create precise maps and monitor the microclimate of the urban environment, support sustainable development and even make weather forecasts.
Scientists from Immanuel Kant Baltic Federal University have presented a new method of analysis of neural connections on the base of data of functional MRT, in frame of which authors reconstructed functional nets of brain of healthy people and patients with depression, and after that compared evaluable characteristics.
Scientists have found that concrete’s compressive strength can be increased by 4,1% and its flexural strength by 3,4% by adding a small amount of coconut shell (only 5%). In doing so, the material’s performance increased by 6,1% compared to clear concrete.
Genes sfrp and smoothened are crucially important for regeneration of lost organs. Scientists have found out that regeneration of sea cucumbers depends on genes sfrp (sfrp1/2/5, sfrp3/4) and gene smo.
Biologists have analyzed about 200 articles dedicated to composition of connective tissue (Extracellular Matrix) of echinoderms. That has enabled them for the first time to compare the composition of extracellular matrix of echinoderms and vertebrates.
Russian scientists have found out that a mixture of iodine-derived organic salts and silver reduce their total catalytic activity — that is the ability to speed up chemical reactions, — but such a hybrid catalyst turned out to be more stable than corresponding organic catalysts in the absence of the metal.
RUDN University chemists and colleagues from Belarus obtained derivatives of the natural polymer chitosan, which exceeded existing antibiotics in antibacterial activity. Moreover, the new substances are non-toxic, and the production method is safe.
RUDN University chemists have improved the effectiveness of antibacterial chitosan films used in medicine and the food industry. It was made by adding iron and a new chitin derivative to chitin nanoparticles.
RUDN University agronomists and colleagues from Tunisia have discovered a way to stop the spread of a phytopathogenic fungus Botrytis cinerea. It affects crops, especially tomatoes. The Trichoderma fungus and the Pseudomonas bacterium can protect the crop from this pathogen
The RUDN University economist explored what the labor market of the future will be like, where humans and itelligent machines will work together. The authors have identified which of them will make the main contribution to productivity growth - and these are not robots.
RUDN University biologist and colleagues from Iran found that adding lactic acid to carp feed improves the growth and health of the fish. The authors selected the optimal concentration of the feed additive. It will help improve the quality of fish products.
RUDN University biologists and colleagues from Egypt and Saudi Arabia were the first to study the effect of nanoparticles of the natural polymer chitosan on the fish's health in aquaculture. It turned out that chitosan nanogel increases the resistance to a dangerous yeast by 22%. It increases the productivity of fisheries.
Russian scientists have developed an approach to training models for sentiment analysis of Internet texts. Such models determine whether text expresses the author’s positive or negative attitude towards a particular issue.
Scientists from Immanuel Kant Baltic Federal University have found out unique properties of Asian plant, that help to struggle with vermin at fish farms.
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