Researchers identified a new prognostic laboratory sign for imminent postoperative thrombosis, which appears on the first postoperative day. Early detection using this sign can help prevent life-threatening thrombotic complications and improve patient outcomes.
The study used Mossbauer spectroscopy to analyze iron-containing catalysts and determine their phase composition before and after thermal steam exposure. The results indicate that maghemite is reduced to magnetite when the iron oxides react with water vapor during catalytic aquathermolysis of crude oil.
Scientists discovered that mixing petroleum coke particles with quartz sand simplifies the study of combustion kinetics in the presence of catalysts. This innovation could help reduce combustion temperatures and make petroleum coke more usable in the industry.
A new bio-based catalyst, copper stearate, has been shown to efficiently inhibit gas hydrate formation and facilitate in-situ oil combustion. The compound's high performance in low-temperature conditions makes it a promising solution for the petroleum industry.
A study of over 5,300 students from 24 countries found that women are more prone to depression in societies with low gender equality. The research suggests that cultural congruence and inclusion in social groups are key predictors of psychological wellbeing.
Researchers found genetic markers protecting against migraines' chronification, enabling personalized prevention therapies for at-risk individuals. The study identified polymorphisms in the pain receptor TRPV1, which may help detect those prone to chronic migraine.
Researchers from Kazan Federal University and Moscow State University studied the Est3 subunit of telomerase, revealing its importance for stabilizing the whole protein complex. The study used NMR spectrometry to understand the spatial structure and interactions of Est3 molecules.
Researchers from Kazan Federal University developed a quantum algorithm to solve the Dyck problem, which is crucial for parsers and compilers. The new algorithm can solve the problem in just 40 seconds on a quantum computer.
Researchers have developed efficient photocatalysts that can clean surfaces, sterilize medical instruments, and purify water under visible radiation. The new catalysts use natural aluminosilicate nanotubes with cadmium sulfide quantum dots, showing promise for environmental applications.
Researchers at Kazan Federal University developed a sunflower oil-based inhibitor to prevent gas hydrates and pipeline corrosion in the Arctic. The unique reagent showed high efficiency during laboratory tests, offering a budget-friendly solution with biodegradable properties.
The study found that sports mega-events can drive urban regeneration, but most sustainable practices are imitative and lack long-term impact. Russian post-Soviet cities face unique challenges in adapting to changes.
Researchers investigated gut microbiota and contractility in chronic constipation, finding preserved muscle contraction and increased sensitivity to stimulation. The study highlights the role of overall gut microbiota at a functional level and suggests potential directions for further research.
Cyclohexyl phenyl sulfide cleavage studied for degradation of sulfur-containing heavy oil. Copper compounds are found to be the most effective catalysts for heavy oil extraction, followed by cobalt and nickel.
Researchers from Kazan Federal University have successfully sequenced the genome of Lactobacillus hilgardii LMG 7934, a type of bacteria that can be genetically reprogrammed to consume more nitrates. This allows for potential use in remediating environmental pollution and improving livestock feed.
The study introduces a new type of composite membrane with a polystyrene surface layer that increases its resistance to aggressive media. The developed dynamic membranes show high separation efficiency for emulsions and can be reused by replacing the contaminated surface layer, making them suitable for liquid waste treatment.
Researchers at Kazan Federal University have developed oil-soluble transition metal-based catalysts to reduce viscosity and contaminants in heavy oils. The study shows promising results, with potential applications in aquathermolysis reactions and heavy oil recovery.
Researchers found that solid-state and melt polymerization mechanisms differ in the number of broken bonds, leading to unique kinetic behaviors. This discovery opens up possibilities for designing materials with desired properties.
Researchers have created an optical switch that can direct high-frequency gamma radiation by switching the acoustic field. This effect demonstrates controlled transparency of a resonant medium for gamma radiation, which may be useful for controlling generated radiation in modern synchrotron sources and X-ray lasers.
Researchers at Kazan Federal University discovered that water molecules, not manganese derivatives, form covalent C-O bonds in graphene oxide. The study also found that the C-O bonds can be easily cleaved and remigrated along the graphene plane.
Researchers have developed a technology to obtain microvesicles from human stem cells, showing significant biological activity and therapeutic potential. The induced microvesicles can reduce the intensity of immune response and may be used to treat inflammations and autoimmune syndromes.
A team of scientists has confirmed that liquids show elasticity and rigidity like solids at the microscopic scale, contrary to long-held assumptions. The study's findings have significant implications for nanodevices, nanostructures, and metamaterials.
Researchers from Kazan Federal University developed a program to predict DSC curves from known binding constants and concentrations. This approach allows for the accurate measurement of high and weak binding constants, as well as stoichiometry of complexes, using albumin as a model protein.
Researchers develop new algorithm to measure crystal growth rate in supercooled liquids, achieving accuracy orders of magnitude higher than existing methods. The approach is based on molecular dynamics simulation and can be applied to various systems with different physicochemical properties.
Researchers analyzed volcanic tuff in European Russia's continental formation, determining the precise age of upper layers at 253.95 million years. This discovery allows for direct comparison of fauna associations and thaw lengths in European Russia during late Permian.
Research investigates cyclosporin variants for their potential in regulating mitochondrial activity, shedding light on the structure-activity relationship. The study's findings suggest that certain cycloprotein molecules may be useful in treating diseases related to mitochondrial dysfunction.
A Kazan University research team has developed a novel nanoformulation using biocompatible halloysite nanotubes and bacterial pigment prodigiosin, which selectively disrupts cancer cells without harming healthy ones.
The nickel-based catalyst precursor proved effective for in-situ conversion of asphaltenes, reducing the content of resins and asphaltenes. The catalyst also reduced viscosity by destroying carbon-heteroatom bonds and interacting with aromatic rings.
Scientists at Kazan Federal University identify a unique post-translational modification in Staphylococcus aureus elongation factor P protein. This discovery provides a promising target for developing new antibiotics to combat nosocomial infections.
New phenothiazine derivatives containing phenyl groups show high potential for use as photochemical agents in surgical operations and cancer treatment. The compounds' stability was ensured through the formation of binary associates, providing greater absorption in near-infrared spectrum.
Functional star-shaped polymers exhibit improved thermostability, making them suitable for medical diagnostics and targeted drug delivery. The study establishes a relationship between the synthesis conditions and the structure of the obtained compounds.
Researchers at Kazan Federal University developed stable organo-inorganic hybrid nanocomposites that can effectively degrade toxic dyes in water. The composites, combining titanium oxide and noble metals, show a synergistic effect, increasing photodegradation efficiency up to 94%.
Photodynamic therapy has been shown to be effective in treating localized tumors, including ovarian cancer, through the introduction of photosensitizers that selectively accumulate in tumor tissue, producing singlet oxygen and other active radicals to destroy cells.
The study reveals that imidazole catalyzes the formation of prebiotic peptides, shifting the activation site from N-terminus to O-terminus. This finding sheds light on the origin of life and proposes a new hypothesis for its emergence.
Researchers at Kazan Federal University have developed new in vitro test systems for selecting effective antitumor drugs, which take into account the complex interactions between tumor cells and healthy tissue. The new models aim to improve primary screening of substances with antitumor activity.
Researchers developed a graphical vignette method to assess bullying episodes in schools, allowing kids to express their opinions freely. The study found that this approach can provide an outlet for schoolchildren to formulate what's important to them personally, promoting openness and cooperation.
Researchers have discovered heteroligand complexes of copper with malonic or adipic acid dihydrazides and L-histidine, showcasing trans-influence. The study suggests that these complexes can serve as models for biological systems and potentially be used to enhance the biologically active properties of organic substances.
Researchers demonstrated optical polarization and reading of electronic spin color centers in boron nitride. The study proposes a microscopic model of the center, a boron vacancy in a negative charge state, and shows potential for vander Waals materials in atomic-scale quantum technologies.
Researchers at Special Astrophysical Observatory and Kazan Federal University studied the globular cluster NGC 6652 and found its age to be approximately 13.6 billion years. This discovery challenges the long-held assumption that younger galaxies are more metal-rich, revealing a complex history for this ancient object.
Researchers from Kazan Federal University and the Institute of Cytology have detailed novel non-trivial intramolecular interactions for small heat shock protein (sHSP) from Acholeplasma laidlawii. This discovery could help uncover new strategies to combat mycoplasma infections in crops.
Researchers analyzed sediment yield data from 14 rivers in the Middle Volga Region to assess erosion trends over 50 years. The study found a decrease in erosion activity and volumes of its products, as well as reduced unevenness in river water flow, prompting practical applications for land use planning and resource management.
Researchers at Kazan Federal University have created a novel amperometric sensor to detect sterically hindered phenols, including synthetic phenolic antioxidants. The sensor uses electropolymerized carminic acid as the sensitive layer and has been successfully tested on linseed oils, confirming high accuracy of antioxidant detection.
Researchers at Kazan Federal University develop a technology to modify hair fibers using functional ceramic nano containers, expanding the field of application for natural fibers. The technology can change aesthetic properties, protect against biodegradation, and release topical anti-inflammatory drugs.
Researchers from Kazan Federal University and their international partners have discovered how Staphylococcus aureus resists antibiotics using cryoelectron microscopy and X-ray diffraction. The RsfS protein protects the bacteria by preventing ribosome formation.
Eleven Kazan University projects have received funding from the Russian Science Foundation, with a focus on medical research and development of new technologies. The funded projects include studies on antimicrobial substances, protein synthesis, and cancer treatment.
Researchers at Kazan Federal University have made significant progress in developing CAR T-cell therapy for solid tumors. The treatment uses genetically modified lymphocytes to target and destroy tumor cells, showing promising results in animal models.
New water-soluble polyurethane inhibitors significantly reduce hydrate formation and corrosion in pipelines. Researchers developed the first multi-functional reagents to address two key issues: efficient hydrocarbon production and transportation, as well as environmental risks.
Researchers at Kazan Federal University developed a new, water-soluble reagent based on sulfonated chitosan to inhibit methane hydrate formation and corrosion. The biodegradable inhibitor is also eco-friendly, cheap, and non-toxic.
Scientists have revealed that gallium melt lacks stable crystalline domains and molecule-like Ga2 dimers, offering a fresh perspective on melt formation processes. Experimental data from neutron diffraction provided critical evidence to support this finding.
Researchers at Kazan Federal University developed cobalt-based catalysts that improve heavy oil refinement by breaking down asphaltene-resinous compounds. The study found a decrease in asphaltenes' molecular masses and sulfur content, leading to improved oil viscosity.
Astronomers at Kazan Federal University used a powerful space exploration tool to discover a new binary star system. The team employed the gravitational lensing method to track changes in brightness and confirm the presence of two stars.