Articles tagged with Hydrogen
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.
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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.
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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 at Brookhaven Lab used pulse radiolysis to study a key class of water-splitting catalysts, revealing the direct involvement of ligands in the reaction mechanism. The team discovered that a hydride group jumped onto the Cp* ligand, proving its active role in the process.
Researchers at Pohang University of Science & Technology developed a selective catalyst that curbs corrosion in fuel cells, increasing durability three times compared to traditional catalysts. The catalyst's performance is attributed to the robust interaction between titanium dioxide and platinum.
Study in Florida Bay reveals that turtlegrass can successfully recruit into open bare sediment following die-off events due to biomass partitioning and efficient oxidation. However, recovery of seagrass meadows takes time, with full recovery taking at least a decade.
A new method has been developed to detect hydrogen cyanide (HCN) in exhaled breath, which is associated with Pseudomonas aeruginosa infection in cystic fibrosis patients. The flow-assisted photoionization mass spectrometry method enables real-time tracking of HCN concentrations, allowing for early screening and diagnosis.
Lutz Grossman aims to create a protein-rich food source using hydrogenotrophic bacteria, which require no agricultural inputs. His goal is to produce a sustainable alternative to traditional protein sources, addressing global food security concerns.
The report forecasts the complementary roles of battery and hydrogen technologies in achieving net zero in the UK by 2050. Hydrogen is expected to play a key role in manufacturing, while batteries will provide storage and flexibility for the grid.
Researchers used NASA InSight data to directly measure Mars' core properties, finding a completely liquid iron-alloy core with high percentages of sulfur and oxygen. This discovery provides new insights into Martian formation and geological differences between Earth and Mars, potentially impacting planetary habitability.
Researchers have developed a proof of concept for a superconducting highway that can transport vehicles and electricity, leveraging liquid hydrogen cooling to address the challenge of low-temperature superconductor operation. The system enables speeds of at least 400 miles per hour and integrates multiple uses, making it more affordable.
Researchers have developed a new method using co-thermal in-situ reduction of inorganic carbonates to produce high-purity CO with a selectivity of 95.8%, reducing carbon-dioxide emission and offering potential for green hydrogen production.
Researchers at Tokyo Institute of Technology have discovered a new approach to improve the performance of thermoelectric materials by substituting hydrogen for oxygen. This substitution reduces thermal conductivity while maintaining high electronic conductivity, leading to improved thermoelectric conversion efficiency.
Researchers at Tokyo University of Science have developed a novel platinum nanocluster catalyst that exhibits 2.1 times higher oxygen reduction reaction activity than commercial catalysts. The study reveals that the high activity is due to the electronic structure of surface Pt atoms, which is suitable for ORR progress.
The HERA team has improved the sensitivity of a radio telescope, allowing them to detect radio waves from the cosmic dawn era. The data suggests that early galaxies contained few elements besides hydrogen and helium, unlike modern galaxies.
Researchers have found a new water reservoir on the Moon, discovered in impact glass beads, which can buffer the lunar surface water cycle. The study suggests that these beads can store and release solar wind-derived water, indicating their potential for in-situ resource utilization.
A team of researchers at KAUST has developed a biological method to produce size-controlled palladium nanoclusters anchored on the surface of Geobacter sulfurreducens, outperforming benchmark catalysts in water-splitting reactions. This eco-friendly approach could provide a sustainable solution for high-performance catalysis.
A research team uncovered a specific kill mechanism responsible for several biotic disruptions during the late Devonian Period. The discovery linked sea level changes, climate fluctuations, and ocean chemistry to mass extinctions, with implications for today's oceans affected by global warming.
The study found that operating temperatures between 70-90°C enhance electrical performance as long as reactant humidity is maintained high. Water diffusivity and electro-osmotic drag improve ion conductivity despite increased current densities.
Scientists at the University of Innsbruck have successfully measured tunneling reactions in molecular chemistry, confirming a precise theoretical model. The experiment used hydrogen and deuterium isotopes to demonstrate the quantum mechanical tunnel effect in a slow ion-molecule reaction.
Astronomers have cataloged over 51,863 Lyman-alpha-emitting galaxies, 123,891 star-forming galaxies, and 4,976 active galactic nuclei using HETDEX's spectroscopic data. The survey is a non-targeted, moon-sized survey that collects spectra from 35,000 fiber optic cables, providing a unique dataset for future galaxy mapping.
Researchers at Aarhus University are studying electro-trophic microorganisms that convert green electricity and CO2 into high-value products. The project aims to understand the underlying mechanisms of these microbes, which could lead to breakthroughs in microbiological Power-to-X and novel tools for microbial corrosion prevention.
A team of researchers has successfully produced green hydrogen from seawater without pre-treatment, achieving nearly 100% efficiency. This breakthrough uses a non-precious and cheap catalyst in a commercial electrolyser, offering a solution to directly utilize seawater for hydrogen production.
A new study suggests that producing the same amount of steel with zero emissions is unlikely, and that reducing demand through material efficiency and upcycling could be key. The research highlights the need for a more strategic approach to decarbonization, rather than relying on technological innovations alone.
Researchers have detected a radio signal from atomic hydrogen in an extremely distant galaxy at redshift z=1.29, marking the largest distance so far. The signal was amplified by gravitational lensing, allowing the team to observe the galaxy's atomic hydrogen mass, which is almost twice its stellar mass.
Researchers at Ruhr-University Bochum develop base metal oxide nanoparticles that improve the water splitting process for green hydrogen production. Cubes outperform spheres as catalyst particles, increasing activity and efficiency.
A joint research team from China has discovered high concentrations of hydrogen and low deuterium/hydrogen ratios in lunar soil grain rims consistent with solar wind origin. This finding suggests that the bulk water content in Chang'e-5 lunar soils is around 46 ppm, which could be higher in polar regions.
Researchers found that molecular hydrogen improved neuropathic pain symptoms and related emotional disorders in mice models. The treatment, which targets analgesic, anti-inflammatory, anxiolytic, and antidepressant effects, may offer a more effective and global treatment with fewer side effects.
Researchers at the University of California, Riverside, have created a novel method to break down per- and polyfluoroalkyl substances (PFAS), also known as 'forever chemicals', in contaminated water. The hydrogen-infusion and UV light-based process achieves high molecular destruction rates without generating unwanted byproducts.
Researchers at Chalmers University have developed an optical hydrogen sensor that can detect extremely low levels of hydrogen, allowing for early detection and alarm. The sensor uses AI technology to optimize particle arrangement and geometry, achieving sensitivity in the parts per billion range.
Researchers at Oak Ridge National Laboratory have discovered genetic markers for autism, developed recyclable composites to drive the net-zero goal, and created a tool for real-time building evaluation. Additionally, they have made significant progress in growing hydrogen-storage crystals using a novel nano-reactor material.
A team of researchers from Japan Advanced Institute of Science and Technology has discovered thermodynamically stable phases in Y–Ce–H and La–Ce–H systems that exhibit high-temperature superconductivity. Calculations predicted Tc values of up to 173 K, paving the way for the development of more energy-efficient and sustainable societies.
Scientists have recorded photocatalysis charge separation processes experimentally on Cu2O particles, revealing rapid electron transfer and slower hole trapping, enabling better understanding of photocatalytic water splitting limitations. The technique allows for spatiotemporal imaging of charge transfer in photocatalyst particles.
A new study tracks deuterium in raindrops to better understand the Earth's water cycle and its changes due to global warming. The researchers shed light on how regional climate conditions impact deuterium excess.
A team of researchers using the Five-hundred-meter Aperture Spherical Telescope (FAST) has discovered a massive atomic gas structure, approximately 2 million light years in length, surrounding the compact group of galaxies Stephan's Quintet. This finding challenges current theories on galaxy-group formation and evolution.
Researchers at Helmholtz-Zentrum Berlin for Materials and Energy are utilizing X-ray absorption spectroscopy to investigate oxygen evolution in electrocatalysis. This study aims to improve the efficiency of green hydrogen production by developing more stable and cost-effective catalysts.
Researchers developed a new analytical instrument using an ultrafast laser to measure hydrogen concentration and temperature, advancing greener hydrogen-based fuel studies. The instrument's capabilities will help develop more environmentally friendly propulsion engines.
A high-precision experiment reveals that protons and neutrons in small nuclei prefer to pair up with others of the same kind more often than expected. The study provides new details about short-distance interactions between particles and may impact results from experiments seeking to tease out further nuclear structure details.
Researchers at Institute of Physics, Chinese Academy of Sciences have discovered new hafnium polyhydrides exhibiting superconductivity above 80K, a temperature threshold previously unattained by any 5d transition metal hydride. The study reveals these compounds display high critical fields and Ginzburg-Landau superconducting coherent l...
A team of astronomers has developed a novel way to observe the first stars and galaxies, detecting light through the fog of the early Universe. The Square Kilometre Array will likely make images of the earliest light, but current telescopes struggle to detect the cosmological signal through hydrogen clouds.
Scientists have discovered calcium polyhydrides that become superconductive with critical transition temperatures above 210K at high pressures. The findings suggest prospects for these superconductors in various applications.
Researchers at KAUST have developed a new class of oriented mixed-matrix metal-organic framework (MMMOF) membrane that selectively removes detrimental gases like H2S and CO2 from natural gas. The membrane demonstrates far better separation efficiency compared to conventional methods.
Researchers at Ural Federal University have synthesized a proton conductor with high electrical conductivity, which could become the basis for solid oxide fuel cells. The new material is potentially cost-effective and exhibits higher electrical conductivity than other solid-state conductors.
Researchers at North Carolina State University have developed a new technique for extracting hydrogen gas from liquid carriers, making it faster, less expensive and more energy efficient. The new method uses sunlight and a reusable photocatalyst to release hydrogen molecules, reducing the need for rhodium and lowering production costs.
Researchers at Institute of Physics Chinese Academy have discovered new zirconium polyhydrides that exhibit superconductivity with a high transition temperature (Tc) of ~71 K. The compounds can be synthesized under high pressure conditions and may lead to the discovery of new superconducting materials.
Researchers from Tokyo Tech developed an alumina-supported iron-based catalyst that efficiently converts CO2 into formic acid with up to 90% selectivity. The new catalyst's excellent recyclability and low-cost nature make it a promising candidate for reducing atmospheric CO2 levels and providing energy via combustion.
A joint research team investigated the generation of low-energy protons in dissociative ionization of H2 using time-energy-resolved spectroscopy. They found that low-energy protons are produced via dipole-transition at large bond lengths, contrary to the expected bond-softening scenario.
Researchers have developed organic sulfonamides as a flexible and stable material for proton battery cathodes, achieving higher output voltages than conventional cathodes. The new material is also easy to manufacture, stable under standard conditions, and non-toxic.
Researchers at NIMS and JASRI have developed Er(Ho)Co2-based magnetic cooling alloys for efficient hydrogen liquefaction. The materials show excellent cyclic durability and can be used to develop a high-performance magnetic refrigeration system.
Researchers at Stanford University and University of Mannheim find that integrated reversible power-to-gas systems can provide backup electricity during surging prices, reducing costs and increasing capacity utilization. The technology has the potential to link the electricity and hydrogen markets, making renewable energy more viable.
Researchers at Oak Ridge National Laboratory have developed AquaBOT to measure water quality in mid-sized streams with precision and speed. The lab has also created a safe and effective antiviral coating for N95 masks, allowing for reuse of masks made from various fabrics. Furthermore, the lab has designed a cooking appliance that uses...
A research team led by Chris Arges developed a simplified process to separate and compress hydrogen from gas mixtures, achieving high recovery rates. The new method uses an electrochemical hydrogen pump with newly developed membrane materials, operating at high temperatures and improving efficiency.
Researchers at FAU have developed a sensor that can make invisible hydrogen gas visible to the naked eye, using supraparticles that change color when exposed to hydrogen. The innovative sensor has the potential to increase safety in handling hydrogen and is suitable for real-time leak detection and monitoring.
The Indian Institute of Science (IISc) has developed a paper-based sensor that can detect tiny volumes of hydrogen peroxide using UV light. The intensity of the light emitted is directly proportional to the concentration of hydrogen peroxide, making it possible to visualize the emission with the naked eye.
Researchers recreated conditions expected in Mars' core billions of years ago and found that molten metal gave rise to a brief magnetic field. This led to the evaporation of water vapor and eventual loss of Martian oceans about 4 billion years ago.
Researchers at the University of Delaware have developed a novel electrochemical system that can capture 99% of carbon dioxide from air, effectively turning it into an environmentally friendly fuel cell technology. The technology uses hydrogen as power and has potential applications in various industries, including automotive, aerospac...
Cornell University chemists have developed a class of nonprecious metal derivatives that can efficiently power cars and generate electricity with minimal greenhouse gas emissions. The breakthrough could enable wider deployment of hydrogen fuel cells, replacing combustion engines and reducing waste.
A research team at PNNL has developed a system that converts waste carbon from sewage, food crops, and algae into fuels while removing impurities. The electrocatalytic oxidation fuel recovery system generates hydrogen to power its own operation, making it potentially carbon-neutral.
Researchers from Waseda University have developed an alternative technique, sampled current voltammetry (SCV), to accurately determine the activity of electrocatalysts used in water-splitting reactions. The study shows that SCV can provide reliable measurements of electrocatalytic performance at constant steady-state applied voltages.
Researchers at Tokyo Institute of Technology have created a hydrogen-rich lanthanum hydride that shows high hydride ion conductivity even at room temperature. The material's unique properties make it an ideal candidate for efficient chemical reactors and energy storage systems.
Researchers at the University of Bonn have developed a new method to introduce heavy hydrogen isotopes into drugs, potentially making them more effective. The technique involves the use of epoxides and a titanium-based catalyst, allowing for precise control over the placement of deuterium atoms.
The study found that applying an electrical potential can stabilize high-temperature superconducting superhydrides at much lower pressures than previously thought. This new method could lead to the creation of new materials with broad applications in consumer and industrial sectors.
Scientists study potential for life around M-dwarf planets with new telescope, finding atmospheres may be dried out due to intense radiation. The James Webb Space Telescope can detect gases in heavy carbon dioxide or oxygen-dominated atmospheres.