Biologists from RUDN University identified polymorphisms in six genes that determine flaxseed oil's fatty acid composition and shelf life. The study found specific gene variations that extend the shelf life of flaxseed oil, improving genetic selection for new flax breeds.
Researchers from RUDN University created a wound-healing gel using the metabolic product L-lysine-oxidase produced by Trichoderma fungi. The gel showed advanced wound-healing properties, with carbopol-based gel demonstrating the best results in treating wounds.
Researchers synthesized indolizines with green fluorescence using pyridinium salts and enamiones. The resulting substances have potential applications in medical fields, including cancer treatment and diabetes management.
A RUDN University professor suggested using a spacecraft-collector to remove space debris from lower orbits, which requires more complex equipment. For geostationary orbits, a tow-based approach is proposed, where the collector transports debris objects into the disposal orbit.
A RUDN University mathematician introduced a matrix representation of set functions to simplify cooperative game theory calculations. This approach can be applied to multicriteria decision analysis, group decision-making, and economic theories based on cooperative games.
Researchers from RUDN University developed a universal approach to synthesizing thienoindolizine derivatives using two- and three-component thienopyridine reactions. This method allows for the formation of compounds with different functional groups, expanding their potential applications in pharmaceutics and optoelectronics.
Researchers identified six chronotypes: highly active, daytime sleepy, daytime active, moderately active, morning, and evening. A large-scale study tested 2,000 participants, showing that 95% identified with one of the types.
A research team from RUDN University created an algorithm to help large groups of people make optimal decisions quickly. They applied it to a real-life example, where the outbreak of COVID-19 required the administration and sellers to agree on compensation amounts within just three steps.
Mathematicians from RUDN University developed new symbolic integration functionality for the Sage system, building on 19th-century ideas by Karl Weierstrass. The team confirmed that Weierstrass's theory can determine whether an integral can be calculated in elementary functions.
A chemist from RUDN University synthesized analogs of two natural toxins, antofine and septicine, using a universal approach. The new method involves just two steps, the four-component Ugi reaction and cyclization reaction, and can produce compounds with antibacterial, antitumor, and anti-inflammatory properties.
A study by dentists from RUDN University found that a change in the dominant side of chewing can cause early deterioration of dental implants. The researchers monitored 64 patients with dental implants and discovered that those who changed their chewing habits after surgery experienced more bone tissue formation pathologies.
A computer model developed by a RUDN University professor shows that low speeds on bumpy roads can cause significant vehicle body damage. The study found that spot welded joints are particularly prone to failure at lower speeds, affecting the vehicle's crashworthiness and service life.
Researchers created a cost-efficient method to synthesize eco-friendly 'pseudo' gemini surfactants with comparable performance to existing compounds. The new surfactants have desirable properties, such as low superficial tension and biodegradability, making them suitable for various industries like skincare, medicine, and construction.
A team of international chemists identified valuable fatty acids in seeds of two popular medicinal plants. The study found that these plant oils contain unsaturated conjugated fatty acids with anti-tumor properties and help combat obesity and inflammation.
A study by RUDN University linguists found that vocabulary size in a foreign language impacts the ability to distinguish between vowel sounds. Russian and English speakers were tested on their ability to match L2 vowels with those of their native tongue, regardless of their vocabulary size.
A study published in Scientific Reports reveals that prepubertal male and female rats exhibit distinct immune responses to infection, with males exhibiting a more severe inflammatory reaction. The researchers suggest that the X chromosome may play a key role in determining this difference.
A RUDN University study found that deforestation leads to massive transformations in soil bacterial communities, with some plantations showing higher diversity than forests. The key factors are soil acidity and resource availability.
A RUDN University physicist created a software solution to identify the instability regions of black holes, ensuring their mathematical models are physically viable. The approach uses Einstein's equation with added corrections and identifies critical coupling constants that affect model stability.
A green method for synthesizing dapsone has been developed by RUDN University, offering an eco-friendly alternative to traditional production methods. The new reaction uses hydrogen peroxide as the oxidizing agent, producing only water as a by-product and allowing for high temperatures and catalyst reuse.
A team of biophysics developed a computer model that shows antiseptics cause changes in bacterial membrane structure, making them weaker and more susceptible to external factors. The study's results can help combat bacterial resistance by optimizing antiseptic use and developing new agents.
A chemist from RUDN University developed a silica-supported heteropolyacid system that can produce ethers from waste lignocellulose products, increasing their production efficiency by 4-10 times. This method reduces energy consumption and makes biofuel manufacturing cheaper.
A nanocatalyst made from zinc oxide and niobium can produce N-heterocycles with almost 100% efficiency, replacing expensive noble metal-based catalysts. The catalyst is derived from orange peel without additional chemical agents.
A chemist from RUDN University has developed a copper catalyst that accelerates the click reaction and enables it to occur at room temperatures without additional bases or solvents. The catalyst allows for the production of triazoles, bioactive substances with antibacterial, neuroleptic, and antispastic properties.
A RUDN University scientist discovered that adding organic fertilizers can help retain carbon in rice paddies, reducing greenhouse gas emissions. The study found that soils with different types of fertilizers retained an average of 69% more carbon after fertilization, suggesting a potential solution to mitigate climate change.
A RUDN University mathematician has enhanced the standard predator-prey model to include nonlocal interactions, which affect system dynamics and lead to different patterns of predation and prey growth. This improved model will help ecologists better understand natural systems and predict their development.
Researchers used PAHs to monitor pollution and track down its sources in various ecosystems, including soils, plants, and water. The team identified key factors that impact PAHs accumulation, providing a new tool for environmental monitoring and pollution analysis.
Researchers from RUDN University have developed a novel domino reaction for synthesizing chromenoisoquinolineamine derivatives, which showed promising antitumor activity against cancer cells, including drug-resistant strains. The new compounds were found to be toxic to tumor cells and efficient even at low concentrations.
A new model describes optical properties of high-density plasma, accurately predicting experimental results and outperforming previous models. The generalized Quasi Independent Particle (QUIP) model takes into account plasma microfield inhomogeneity, making it suitable for high-density plasma.
Researchers used Moscow as an example and found that not only polluted downtown districts but also recreational parks and forest zones can be hazardous. Soil samples were analyzed for heavy metal pollution and their ability to bind down contaminants, revealing a significant risk in green suburbs.
The study found that urbanization leads to decreased soil acidity and increased carbon concentrations, with tree trunks shrinking by 40-60% in crowded areas. The school covered five climatic zones, combining teaching and research, fieldwork and expert consultations.
Researchers from RUDN University discovered that non-pathogenic Xanthomonas bacteria can acquire virulence genes from other species, making them deadly to plants. The study found that the key factor in pathogenicity is the VirE protein, which was likely borrowed through lateral gene transfer.
A RUDN University physicist simplified the Einstein-Lovelock theory for black holes by presenting its geometry in a compact form with a limited number of terms, sufficient to describe observed values. This simplification could aid in studying black holes in theories with quantum corrections.
Researchers found a connection between amino acid metabolism and joint hypermobility in autistic children, with increased levels of hydroxyproline linked to joint issues. The study suggests that amino acid balance may be an additional tool for ASD therapy.
A team of dentists from RUDN University presented a new classification system for root canal shape changes, which can vary depending on the tooth part and patient age. The study used CT scans of 300 patients and identified four groups of shape changes to help dentists choose proper tools and treatment methods.
Researchers created a biodegradable coating from natural polysaccharides that protects food from bacteria and toxins while decomposing harmlessly. The coating increased the shelf life of fruits by 2.5-8 times, and its use doesn't contaminate the environment.
A study published in Soil Biology and Biochemistry found that high soil moisture content can lead to increased carbon dioxide emissions due to accelerated mineralization processes. Protecting meadowlands from bogging may help reduce CO2 emissions and slow down global warming.
A RUDN geneticist discovered that a bifidobacterial surface protein can stop excessive inflammation in COVID-19 patients. The protein's fragment has shown effective binding to TNF-α, a key factor of inflammation, opening a prospect for developing new anti-inflammatory drugs.
A study published in Geoderma journal reveals that iron minerals and bacteria are main agents of carbon dioxide emissions from soil. Iron facilitates formation of active oxygen forms that destroy plant waste and promote CO2 emissions.
Researchers at RUDN University have developed a new type of two-dimensional nanofilm from calixarene molecules, which can be used as protective coatings in electronics. The films' stability was found to depend on the length of hydrocarbon chains in the original macromolecules.
A chemist from RUDN University created a green catalyst based on plant waste that reduces palladium consumption in cross-coupling reactions by up to half. The new catalyst is also reusable without decreasing efficiency, making it economically and environmentally friendly.
A RUDN University biologist found that adding tryptophan to the diet of rainbow trout under stress increases immune response and reduces oxidative stress. The study suggests a potential solution for preventing fish death while maintaining high-density fish populations in farms.
A RUDN University linguist found a potential correlation between the number of COVID-19 cases in a country and the presence of aspirated consonants in its main language. The study, published in Medical Hypotheses journal, suggests that languages like English with more aspirated consonants may lead to faster spread of the virus.
Soil enzymes play a crucial role in chemical reactions, cellular metabolism, and organic matter decomposition. Heavy metals like lead and cadmium reduce enzyme activity by 3-3.5 times, particularly affecting carbon and sulfur cycles.
Mathematicians from RUDN University have proved a unique continuation theorem for a one dimensional solution to a fractional order diffusion problem, which can help calculate water movement in porous rock. The results of their work are needed for more accurate analysis and numerical simulation of solutions.
Researchers from RUDN University found that the rate of organic carbon accumulation in wild, cultivated, and abandoned soils depends mainly on soil type and composition. The study revealed that phaeozems release carbon easily, while chernozems contain more decomposition-resistant compounds.
Researchers at RUDN University have found that adding arginine to fish food reduces mortality from ammonia exposure in common carp. The additive activates detoxification, suppressing oxidative stress and increasing urea production, which helps excrete excess ammonia from the body.
Researchers at RUDN University have developed a method to identify electronic devices using defects in flash memory cells, which are unique to each device. The distribution and nature of these defects can be used to create 'fingerprints' that cannot be faked.
Researchers at RUDN University have created non-toxic derivatives of chitosan with enhanced antibacterial activity, comparable to modern antibiotics. These novel materials can be used as preservatives in food coatings, providing a safer and more sustainable solution.
RUDN University mathematicians developed a model to optimize data center efficiency using Markov chains. Their method reduces server overheating and improves server capacity utilization, resulting in significant cost savings.
Researchers found a way to reduce telomerase activity in cancer cells by using specific oligonucleotides, which may lead to new antitumor drugs. The study showed that the combination of oligonucleotides reduced telomerase activity by 10 times within 24 hours.