Researchers discovered that adding fertilizers to ridges and combining with plastic mulching increases yield by 9.7% and reduces nitrogen loss by 72.5%. The study highlights the importance of targeted fertilizer application to optimize nitrogen consumption and reduce environmental impact.
A recent study by RUDN medics revealed critical spread rates of five types of viral hepatitis in Somalia, with 18.9% of residents infected with hepatitis B and higher rates for hepatitis A and E. The researchers emphasize the need for immediate action to address this global health crisis.
Russian scientists developed a new surgical technique using drug-eluting balloon catheters to treat bifurcation lesions in coronary arteries. The method showed lower rates of repeated luminal occlusion and fewer long-term complications compared to traditional single-stent methods.
Researchers at RUDN University have created a new method for producing hydrogen fuel using fermented flour from Chinese bread. The process produces a porous carbon material that exhibits high electrocatalytic activity, outperforming current carbon-based catalysts and comparable to metal ones.
A RUDN scientist studied Tibetan soils and found that simultaneous nitrogen and phosphorus fertilization decreases organic carbon content. This study challenges agricultural practices and suggests modifying management of alpine grasslands to prevent CO2 loss.
Researchers at RUDN University found the mercury test ambiguous and required additional control experiments to verify results. This discovery may lead to reevaluating existing experimental data and improving catalysis mechanisms in chemical reactions.
A RUDN physicist has demonstrated how to calculate the shape of a symmetrical wormhole based on its wave spectrum, providing new insights into the physics of black holes. The research uses quantum mechanical and geometrical assumptions to determine the shape and mass of a wormhole from observable properties such as red shift.
Researchers used mathematical abstraction to describe gravitational waves as functions that remain invariant during distribution. They found arbitrary functions can be set to encode information, allowing for spatial transmission without distortions.
Wheat harvests will be affected by climate change in high latitudes, with the optimal growing area expected to move north-east and into the Far East. The study found that global warming makes it easier to grow wheat in previously cold areas but also increases drought frequency in southern regions.
Researchers at RUDN University simulated a communication system using drones to increase cellular network coverage. The approach, which takes into account random distances and three-dimensional modeling, can significantly improve the quality and reliability of service.
Physicists at RUDN University have developed a new approach to calculate ionization energies of helium atoms with high accuracy, up to 35 decimal digits. This breakthrough resolves the limitations of previous methods, enabling precise measurements of exotic helium atoms and shedding light on the nature of antimatter.
Researchers at RUDN University developed a precise model of intermolecular bonds in diazone dyes, revealing their photochromic properties and importance in stabilizing dye structures. This study can be useful for creating new azo dyes with essential physical and chemical properties.
Researchers created a model of hybrid system with two unreliable servers, finding that heterogeneity improves data transmission speed and reliability. The new reliability measurement is introduced as the distribution function of failures within a given operation period.
Researchers from RUDN University and University of Hamburg create a new method to simplify multi-dimensional calculations for atomic systems, applicable to hybrid atom-ionic structures. This breakthrough enables the study of new complex quantum effects and potentially helps model quantum computers.
Researchers found that increased antioxidant enzyme expression and decreased NADPH-oxidase activity hinder treatment efficiency. This study reveals a redox-dependent mechanism of drug resistance development in ovarian cancer cells.
Researchers discovered that regulatory T-cells can inhibit the activity of telomerase in effector lymphocytes, causing telomere loss and cell death. This mechanism, based on physiological ageing of immune cells, has potential for treating autoimmune diseases and preventing implant rejection.
Researchers found that bright light therapy increased systolic and diastolic blood pressure by 10 mm Hg in rats with inherited hypertension, a effect that persisted for several hours. In contrast, healthy animals with normal blood pressure showed no changes.
Researchers compared CF-PWV and CAVI to assess vascular ageing, finding CAVI provides additional information on vessel wall state. Metabolic syndrome was found to increase CF-PWV levels but not affect CAVI.
A team of scientists created a new catalyst that activates oxidation processes in low-reactive components of oil and gas, producing valuable products such as acids and alcohols. The researchers discovered the possibility of targeted production of pentanuclear products, which are stable in both solid and solution states.
A Russian researcher and his colleagues have determined the normal range of boron in human tissues, revealing its importance in metabolism. The study found that men and women have different dietary balances but similar boron functions, suggesting a gender-independent metabolism.
Researchers have discovered a new chemical reaction to synthesize diazabicyclo[3.2.1]octanes, which could lead to breakthroughs in drug development. The new approach allows for the rapid synthesis of complex compounds without requiring additional reagents or catalysts.
Researchers from RUDN University have developed a three-stage synthesis method for producing steroid analogs, including hormones and terpenes. The process takes 2-3 days at room temperature, significantly reducing the time required compared to previous methods.
Researchers at RUDN University have developed a way to produce benzofurans, a key component in various pharmaceutical substances, from cheap agricultural and woody waste. The new approach uses salicyl alcohols derived from low-cost chemicals, enabling the creation of new benzofuran-based drug substances.
Researchers at RUDN University synthesized isoquinoline derivatives with potential biological activity, including bactericidal and antileukemic properties. The team developed a new method for isolating the compounds, which may be effective in treating Alzheimer's disease by inhibiting certain enzymes.
A study by RUDN University scientists suggests that urbanization can increase soil organic carbon stocks, particularly on less fertile soils. This process could help mitigate the impacts of climate change.
Researchers found that L-asparaginase inhibits telomerase, limiting cancer cell divisions and shortening telomeres. This effect is linked to the breaking down of asparagine, a crucial amino acid for tumor cells.
Metal membrane suspended roofs can span hundreds of square meters and are used in sports complexes, airports, and other buildings. These structures reduce material consumption by up to 70% and allow for a combination of bearing and enclosing functions in one material.
Researchers from RUDN University have developed a novel three-component reaction to produce complex heterocyclic compounds with antitumor and anti-Alzheimer's properties. The approach enables the efficient synthesis of these compounds, reducing waste and labor costs, and opens up new possibilities for pharmaceutical applications.
Researchers at RUDN University have synthesized new compounds with potential antitumor and antiviral activity from isoxazoles. The compounds, which include a central five-membered heterocycle, exhibit varying properties depending on the arrangement of substituents.
The researchers synthesized new ionic and nonionic surfactants that can efficiently collect petroleum on water surfaces. The compounds have been identified as having high surface activity, allowing them to localize thin oil films and limit their distribution.
Researchers at RUDN University have developed a chemical compound with anticonvulsant properties, showing effectiveness only when it is chirally pure. The compound was synthesized and studied to create an efficient and usable drug for treating epilepsy.
Researchers developed computational methods to describe ultracold atomic and ion behavior in optical traps. By controlling trap parameters, they can simulate critical quantum phenomena and study solid-state physics, quantum computing, and precision physics.
Researchers found a 10% decrease in serum zinc levels in women with prediabetes, highlighting the importance of zinc metabolism in diabetes pathogenesis. Zinc plays a crucial role in insulin synthesis and tissue susceptibility to hormones.
RUDN University scientists have discovered a new formation mechanism for anti-cancer substances, which can be used to synthesize organophosphorus compounds with specified properties. The researchers found that the reaction does not proceed according to the previously thought Michaelis-Arbuzov reaction mechanism, but rather another way.
Researchers from RUDN University designed new compounds that selectively inhibit human carbonic anhydrase, reducing intraocular pressure and potentially treating glaucoma. The study's findings suggest a promising approach for developing new antiglaucoma drugs by modifying the compound's molecular periphery.
A RUDN University researcher found that plant root secretions stimulate microbial activity, leading to faster decomposition of organic matter and increased nutrient availability for plants. This has significant implications for long-term carbon accumulation and soil fertility in paddy soils.
Scientists from RUDN University have developed a new way to synthesize 1,2,4-oxadiazole derivatives, including the active ingredient of genetic disorder treatment drugs. The new method simplifies production while reducing costs and enabling high-yield synthesis without expensive reagents.
Scientists from RUDN University have synthesized a range of cytotoxic substances with potential anticancer activity. The compounds were obtained through domino reactions, and their cytotoxic effects were confirmed in primary bioscreening.
Researchers developed a mathematical model of microwave communication for 5G networks, addressing signal attenuation and radio resource allocation. The study aims to enable gigabit-rate transmission via millimeter wave channels in urban environments.
Researchers from RUDN University refined understanding of synthetic toxin causing mutations in lionfish embryos. Using X-ray diffraction and NMR analysis, they determined the molecule's spatial structure, contradicting earlier interpretation.
Scientists from RUDN University have classified the distribution of soil microorganisms at different latitudes, discovering that soil properties are the primary factor in determining microbial composition. The study revealed that climate and vegetation play a lesser role in shaping microbial communities.
Researchers at RUDN University have developed a new method for creating drug molecules using carbon monoxide as a reducing agent. This innovation offers an energy-efficient solution to producing valuable chemicals, potentially reducing waste and costs. The study's findings suggest that this technology could be used in the synthesis of ...
Researchers from Russia and Italy have created a more accurate method to solve Navier-Stokes equations for incompressible plane motion. The new scheme allows for efficient numerical solutions and has been verified through computing experiments, outperforming existing methods in terms of precision and stability.
Researchers from RUDN University analyzed the chemical bonds that shape proteins using sulfur and other elements from the 16th group of the periodic table. They discovered how these atoms form noncovalent chemical bonds, which play a crucial role in protein folding and biological systems.
Researchers at RUDN University developed a new complex mercuric compound with unusual structure using non-covalent interactions. The compound can be used to create molecular machines, which are molecules capable of mechanical work.
Researchers propose a new potential way to produce initial compounds for many chemical industries, including pharmacy. The new method uses arylhydrazone complexes with Cu(II) and Co(II/III) catalysts.
A new mathematical model has been developed to analyze the relationship between population migration and living standards. The study found that wealth distribution is closely tied to population dynamics, with resources flowing from developed countries to poor regions through trade and investment.
Researchers at RUDN University discovered a redox-dependent mechanism that enables ovarian and breast cancer cells to resist chemotherapy. The mechanism involves the expression of genes encoding thioredoxin and peroxiredoxin, which play a crucial role in the antioxidant defense system.
Historical analysis reveals significant changes in liberal foreign policy views from the 19th century to the present day. Modern liberals differ from their predecessors in rejecting active foreign policy and alliances, instead focusing on national interests and constitutional reforms.
Researchers have used a new mathematical model to study why computer networks and electronic equipment fail when handling multiple requests. The model takes into account the unreliability of servers and predicts system performance, providing insights for optimizing real-world systems.