Articles tagged with Covalent Bonds
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.
A research team at Kumamoto University has developed a breakthrough drug-delivery platform using a small-intestine-permeable cyclic peptide, enabling efficient oral delivery of insulin. This approach achieves a pharmacological bioavailability of approximately 33–41% relative to subcutaneous injection.
A breakthrough in carbon-based battery materials has improved safety and performance by re designing fullerene molecule connections. This research provides a blueprint for designing next-generation battery materials that support safer fast-charging, higher energy density, and longer lifetimes.
A study by University at Buffalo researchers reveals that some elements' semicore electrons can participate in bonding under just a few gigapascals of pressure, far lower than previously thought. This finding challenges traditional notions of core electron behavior and may have implications for our understanding of planetary evolution.
A new Research Training Group at Saarland University aims to develop novel materials with specific magnetic, electrical or optical properties by manipulating covalent bonds. The group will receive €6.3M in funding from the German Research Foundation to support 20 doctoral research positions.
Researchers from Hokkaido University have discovered a stable single-electron covalent bond between two carbon atoms, validating a century-old theory and paving the way for further exploration of this type of bonding. The discovery was made using X-ray diffraction analysis and Raman spectroscopy.
Scientists at Tokyo Institute of Technology discovered a method to generate three types of structural isomers in 3D-COFs, increasing their diversity and potential applications. The creation of these isomers allows for tunable properties such as density and pore size.
A team of researchers has made breakthroughs in harnessing low-grade heat sources for efficient energy conversion. They developed a highly efficient Thermally Regenerative Electrochemical Cycle (TREC) system that converts small temperature differences into usable energy.
Researchers from Tokyo Institute of Technology have developed a novel synthesis method for imine-based COFs, eliminating the need for long reaction times, high temperatures, and Lewis acid catalysts. The method uses an electrogenerated acid as a catalyst, enabling direct fixation of COF films onto electrodes.
Researchers at Duke University have discovered a way to make rubbery materials up to nine times more durable without compromising their elasticity. This breakthrough could help reduce microplastic pollution from car tires, with estimates suggesting that tire wear alone releases millions of metric tons of debris into the environment eac...
University of Pittsburgh researchers created a universal receptor system allowing T cells to recognize any cell surface target. This enables highly customizable CAR T cell and other immunotherapies for treating cancer and diseases, with potential applications in solid tumors.
Researchers have discovered a way to create ductile ceramics that can exhibit ultimate strength of up to 11 GPa, potentially leading to improved energy efficiency and reduced material usage. However, further studies are needed to scale up the process and apply it to larger materials.
Researchers at Hokkaido University discovered that carbon-carbon covalent bonds can expand and contract flexibly, a new phenomenon that could confer unique properties on organic compounds. The study found that these flexible bonds exhibit reversible expansion and contraction in response to external stimuli.
Scientists at the University of Freiburg have developed a system to control the dynamics of energy-consuming DNA structures using an artificial chemical approach. The researchers successfully programmed these dynamic systems, enabling them to adapt to different situations and respond to stimuli faster.
A new model provides an alternative description of atomic-level gold bonding, taking into account bond directionality. The Tersoff potential model allows for reliable covalent bonds between gold atoms and other materials.
Researchers at UCLA have designed a new super-hard material called rhenium diboride, which is as incompressible as diamond but can be made without high-pressure conditions. This material has the potential to replace some industrial applications of diamond and cubic boron nitride.
Researchers at Arizona State University have achieved clear images of electron orbitals in Cu2O, verifying the hypothesis that both ionic and covalent bonding occurs in the material. The images show complex formations resembling a dumbbell shape, indicating the presence of metal-to-metal bonds.
A US-France-Canada physics collaboration has confirmed that hydrogen bonds in water partially get their identity from covalent bonds within the H2O molecule. This property is a manifestation of quantum mechanics' effects, enabling researchers to improve predictions and advance areas like nanotechnology and superconductors.