Researchers at Kazan Federal University study hydroxyapatite's properties as a catalyst, finding that iron incorporation is energetically comparable and preferentially localized. The study uses density functional theory calculations to analyze the introduction of iron ions in the HAp lattice.
A study has developed a method using dark-field microscopy and deep learning algorithms to identify microplastics in human cells, achieving an accuracy of 93% for 1-micron polystyrene particles. The technique has the potential to screen microplastics in various samples, reducing time-consuming data acquisition and processing steps.
The study assessed meadow ecosystem biomass to understand its contribution to carbon sequestration. It used species composition and functional groups to predict biomass values, finding a reliable method for assessing productivity without collecting data.
Researchers developed new materials with enhanced adsorption capabilities, promising advancements in hydrogen storage, oil spill cleanup, and sensor development. The polymerization mechanism and kinetics were analyzed, revealing a significant impact of solvation on reactivity.
Researchers analyzed samples of paraffinic oils from the western Siberian Basin, Russia, to understand their characteristics. The study found that these oils are primarily composed of saturated hydrocarbons and have low sulfur content.
A new study investigates the effects of cord blood cell transplantation and curcumin administration on Tay-Sachs disease. The results show an increase in enzyme production and a decrease in inflammation after transplantation, as well as improved symptoms and reduced GM2 ganglioside levels when combined with curcumin.
Researchers studied bicyclic monoterpene alcohols' fungicidal activity against various fungi, finding (−)-myrtenol to be most promising. The compounds also showed antioxidant and membrane-protective activities, suggesting potential practical applications.
Researchers from Kazan Federal University have developed a gene-cell preparation that uses membrane vesicles to target and kill cancer cells. The technology has shown promise in treating various types of cancer, including breast, lung, and colon cancer.
A study published in International Journal of Molecular Sciences found that the Sputnik-V COVID vaccine elicits both robust antibody and T-cell responses. The research suggests that long-term immunity is possible, supporting the effectiveness of the vaccine against local virus variants.
A new approach evaluates vaporization enthalpies of alkylaromatic compounds and their derivatives, showing high accuracy compared to experimental methods. The method uses additivity principles and accounts for non-additive effects due to π-conjugation and intermolecular hydrogen bonding.
Scientists found that amorphous carbon coatings used to protect optical fibers from moisture can break down due to interaction with water molecules. The coating's thickness increases, leading to an irreversible increase in electrical resistance and a decrease in transparency.
Researchers have developed bimetallic catalysts that enhance oil upgrading, decreasing heavy hydrocarbons and increasing light hydrocarbons. The test results showed positive influence on petroleum quality, transportation efficiency, and environmental impact.
Researchers found a twofold decrease in soil and gully erosion in the southern taiga region of the Vyatka river basin, mainly due to reduced tillage and animal husbandry. Climate change is not believed to be a significant contributor to erosion changes in this area.
Researchers developed nanoscale insecticidal hair coating for prolonged anti-lice protection, reducing re-treatments and side effects. The coating, formed using halloysite nanotubes, retains its protective properties after washing the animal's hair.
A new study found that a subtilisin-like proteinase from Bacillus pumilus 3-19 exhibits proteolytic activity in Pichia pastoris, dependent on incubation time and signal peptide choice. The production of this enzyme makes the system promising for developing new feed additives for animal husbandry.
Researchers from Kazan Federal University discovered that micelle-forming polyurethane inhibitors can effectively inhibit hydrate formation. The study found that the presence of surface-active properties and ability to form micelles can hinder hydrate formation, providing a new mechanism for gas storage and flow assurance.
Researchers reveal stable phosphatidylglycerol-DNA complex formation with strong van der Waals and hydrophobic interactions. The complex's structural parameters are determined, providing insight into the differences between DNA-phospholipid interaction and fatty acid binding.
Kazan Federal University researchers designed a unique dielectric cell to study gas hydrate formation and decomposition under pressure. The device's effectiveness was demonstrated, allowing for further investigation of hydrate inhibitors.
Scientists have identified a new genus of extinct elephant fish, Moskovirhynchus robustus, from Jurassic-era deposits in Moscow. The study reveals unique dental features that set it apart from modern elephant chimaeroids.
Researchers found that the stability of an amorphous metal alloy's structure is disrupted by mechanical influences, leading to crystalline inclusions. The alloy retains useful properties at pressures below 400 gigapascals before experiencing rapid crystallization and loss of structural integrity.
Mycotoxins are toxic secondary metabolites of fungi that contaminate agricultural products, posing severe health risks. Aptasensors utilize aptamers to specifically detect mycotoxins with high sensitivity and specificity, allowing for fast and reliable detection in field settings.
A study by Kazan Federal University found that probiotics administered to antibiotic-treated mice improved behavior, reduced oxidative stress, and restored gut microbiota diversity. The researchers demonstrated a strong link between the gut microbiota and brain functioning, with potential therapeutic benefits for treating dysbiosis-rel...
The study investigates the cellular uptake of Pr3+:LaF3 nanoparticles and their potential as cell nano-sensors. The results show that both nanoplates and nanospheres are easily internalized by A-549 cells via macropinocytosis, leading to an increase in optical inhomogeneity and potentially enabling temperature sensing.
Researchers identified the distribution of resin fractions using liquid-adsorption chromatography and MALDI spectroscopy. The results showed a decrease in molecular weight after catalytic treatment with a hydrogen donor.
A new theoretical model can reliably predict the properties of compounds at low temperatures using only two adjustable parameters. The model reproduces experimental data for thirty different systems, including simple glasses and complex organic compounds.
A study by Kazan Federal University explores the views of two Indigenous groups on language development and educational strategies. The findings show a decline in motivation among younger populations, attributed to assimilation, urban-rural differences, and globalization.
Researchers developed amperometric biosensors to determine diclofenac levels in food, improving detection limits and accuracy. The study found that diclofenac inhibits tyrosinase enzyme activity, enabling its detection in milk and other dairy products.
Researchers propose a new method to control temperature through designing nanoantennas on engraved Si nanopillars, enabling local sensing of glass transitions in amorphous polymers with nanometer spatial resolution. This technology opens unique opportunities for studying the physicochemical properties of nanostructured polymers.
Researchers propose a new model that takes into account spatial and energy disorder in disordered media. The model provides relationships between the parameters of the dielectric function and the microscopic structure of the medium, enabling the extraction of valuable information about structural and dynamic processes.
A comprehensive study by Artyom Gusarov found that soil erosion and river sediment load decreased significantly in European Russia. Climate change and warming of near-soil air led to reduced frosting and decreased erosion-inducing sediment from tillage in the steppes.
Experts from Kazan Federal University and partners have tested novel gel particles to improve oil recovery in high-temperature and mineralized reservoirs. The new technique showed a significant increase in recovery, up to 100 thousand tons, and proved the efficiency of reagents under harsh conditions.
Research reveals a strong link between hyperhomocysteinemia and migraine with aura in rats, showing elevated HCY levels increase susceptibility to cortical spreading depression. The study suggests timely correction of high homocysteine levels may be beneficial for treating migraine-related symptoms.
A reevaluation of the Edaphodon eyrensis fossil tooth plate has led to a revised classification as Ptyktoptychion eyrensis. The discovery was made possible by Evgeny Popov's study of the fossil in various Australian locations.
Researchers at Kazan Federal University and Chinese Academy Sciences have developed peptide nanoparticles that can be visualized in living cells using hyperspectral microscopy. These nanoparticles have the ability to scatter light efficiently, allowing for non-fluorescent labeling of cells.
Researchers develop microscopic theory of magnetoelectric effect in FeCr2O4 ferrimagnet, revealing two effective mechanisms for electric polarization and optical absorption. The study enhances prediction of electron-deformation coupling parameters, crucial for magnetostriction applications and critical temperature control.
Scientists have discovered a method to manipulate the electromagnetic mass of electrons in photonic crystals, leading to changes in the ionization energy of atoms. This effect can be used to synthesize new compounds and create drugs, with potential applications in chemistry and medicine.
Researchers investigated anesthetics' influence on neonatal rat brains, using optical intrinsic signal imaging and non-invasive monitoring. Urethane was found to alter cortical rhythms dose-dependently, while isoflurane showed limited effects.
A team from Kazan Federal University and King's College London has developed a thermoplasmonic sensor that can detect phase transitions in nanoscale materials with high sensitivity. The sensor uses metallic nanoantennas to heat up the material, allowing for the detection of changes in its properties.
A recent study by Kazan Federal University explores the deformation of nitinol, a material with unique physico-mechanical properties. The research reveals that amorphous porous nitinol can sustain major mechanical loads significantly higher than crystalline nitinol.
Researchers at Kazan Federal University developed a new method to produce non-oxidized bitumen from heavy oil, reducing production costs and increasing efficiency in road building. The innovative approach uses a specially packed oxidizing column to increase contact surface between feedstock and compressed air.
A study of oak forests in European Russia has provided new insights into the region's climate change. Researchers developed a classification system based on the Braun-Blanquet method, identifying two new associations and demonstrating the uniqueness of steppe oak forests compared to xero-mesophytic European oak forests.
Researchers have developed a new separation method using chemically modified cotton wool to separate single-wall carbon nanotubes (SWCNTs) into metallic and semiconducting specimens. The method achieves high efficiency and scalability, making it suitable for industrial applications.
A multidisciplinary team from Kazan Federal University proposes a novel holistic architecture for an infectious disease hospital that employs robotic tools. The framework preserves classical organizational structure while assigning practical applicability to robots, helping to develop efficient and safe operations.
A team of scientists has identified serum cytokine concentrations as a quick and affordable means of classifying the severity of spinal cord injury in patients. The study aims to provide personalized healthcare decisions and accelerate research into spinal cord injury, with potential applications in developing countries.
Researchers found that shape influences internal symmetry in strontium titanate, altering its cubic to tetragonal structure. This discovery has great scientific and practical importance for electronic devices and thin-film technologies.
Researchers studied three closely related cephalopod species in Arctic ecosystems, finding seven traits that allow them to avoid competition. These traits include a pelagic lifestyle, ability to migrate, and geographical variability in diet.
A study on language aptitude identified key components of language acquisition as cognitive, emotional, and personality-related characteristics. Effective language learning depends on thought process, emotional experience, motivation, and personal traits such as self-esteem and anxiety levels.
Researchers at Kazan Federal University discovered that parasitic nematodes can consume and break down oil products. The team adapted nematodes to eat Alcanivorax borkumensis bacteria, which breaks down oil into fatty acids. Enhanced digestion of oil was observed in worms, with undigested bacteria changing their gut microflora.
A new genus of chimaerid fish has been classified with the help of a Kazan University expert. The research provides significant insights into the late Paleogene chimaerid fauna in the Pacific Ocean.
The study highlights the potential of microbial enzymes in addressing global challenges such as Alzheimer's disease, cardiovascular therapy and biofilm-related infections. Bacillary proteases have been shown to exhibit fibrinolytic and thrombolytic properties, making them promising alternatives to existing drugs.