Articles tagged with Stereochemistry
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers have developed a new catalysis method that can generate a diverse array of valuable compounds, including six distinct molecular scaffolds, using reprogrammed biocatalysts and sunlight-harvesting catalysts. The method opens up new possibilities for medicinal chemistry and accelerates combinatorial synthesis of novel molecules.
Researchers have discovered a way to selectively create links between sugar molecules, enabling precise control over the stereochemistry of oligosaccharides. This breakthrough could open up new avenues of biomedical research into these versatile molecules, providing access to previously difficult-to-construct oligosaccharides.
MIT chemists have developed a new way to synthesize complex oligocyclotryptamines found in plants, which could hold potential as antibiotics, analgesics, or cancer drugs. The approach allows for precise assembly of the rings and control of the 3D orientation of each component.
Researchers have developed a novel technique using a new holmium catalyst for synthesizing hydrocarbazoles with tetrasubstituted carbon. The method uses a lanthanide-based catalyst and can be recycled, paving the way for sustainable chemical processes.
Researchers from Osaka University found that (R)-ketamine can improve social impairments in mice with depression by restoring neuronal activity in the anterior insular cortex. The study suggests that (R)-ketamine may be a more effective treatment for social cognition than its counterpart (S)-ketamine.
Researchers at UC Santa Barbara have developed a synergistic method that allows for the synthesis of non-canonical amino acids, which are important for therapeutic purposes. The process shortens existing multi-step methods by 3-5 steps and provides stereoselective chemistry.
Researchers have developed a set of biocatalysts that enable precise control over free radical reactions, solving a decades-old challenge in asymmetric catalysis. The metalloenzymes can selectively convert chiral compounds into desired products, opening up new possibilities for the synthesis of bioactive molecules and everyday polymers.
Researchers at Stellenbosch University have discovered a crystalline substance that can readily give up water at temperatures as low as -70 °C. This finding has major implications for the development of materials designed to extract water from the atmosphere.
Researchers demonstrate the expanded use of a computational method called AFIR, predicting pericyclic reactions with accurate stereoselectivity based on target product molecule information. The technique successfully handles molecules up to 52 atoms and predicts stereochemistry for reactions that break Woodward-Hoffman rules.
Researchers have successfully segregated oppositely helical supramolecular polymers in a solution using audible sound, inducing surface vibrations and advection currents. This approach allows for the spatiotemporal control of chiral supramolecular systems, enabling the segregation of multiple aggregates.
Researchers developed a simplified NMR-based method to determine the atomic structure of natural products more accurately and efficiently. The new method enables chemists to analyze complex molecules with few hydrogen atoms, such as spiroepicoccin A isolated from marine microorganisms.
Researchers use computer models to predict how molecules will behave in certain reactions, controlling the emergence of specific products with desired stereochemical structures. This breakthrough enables chemists to design additives that can select the right product outcomes, revealing new insights into chemical processes.
Researchers at Virginia Tech have synthesized a biodegradable alternative to polyolefins using a new catalyst and polyester polymer. This breakthrough could lead to improved physical and chemical properties of the resulting material, making it suitable for various applications.
Chemists at Scripps Research Institute have found a way to apply the SN2 reaction to a stubborn class of chemicals, enabling the synthesis of promising antimalarial and anticancer compounds that were previously off limits. The new method uses a special acid catalyst and nitrogen-containing molecule to complete stereoinversion reactions.
Researchers at the University of Illinois have made a groundbreaking discovery in the study of enterococcal cytolysin, a 'virulence factor' that kills human cells. The enzyme responsible for its formation was found to produce distinctly different ring structures with unusual stereochemistries.
A new validated method enables accurate analysis of flavanol stereochemistry in cocoa, providing crucial insights into its cardiovascular health impact. This breakthrough addresses important gaps in knowledge and has implications for future research and development.