Articles tagged with Hydrogen Atoms
UC Riverside scientists developed a technique to map tryptophan production, opening the door to new treatment drugs. By understanding how bacteria make tryptophan, researchers can create enzymes that shut down this process, killing invasive bacterial cells without affecting human cells.
A new catalyst developed by researchers extracts hydrogen from liquid organic hydrogen carriers (LOHCs) easily and efficiently. The breakthrough offers a promising solution to adopting hydrogen fuel for transportation, addressing a long-standing challenge.
Researchers found two gas reservoirs, one containing solar gas and the other with terrestrial water signature, in the earliest stages of our solar system. This discovery suggests that Earth's water was present before the accretion of its constituent blocks.
Japanese researchers use supercomputer simulations to determine stable ternary hydrides with room-temperature superconductivity. The study identifies potential candidates, including Y-Mg-H systems, and highlights the importance of hydrogen content in superconducting phenomena.
A recent study suggests that a chemical compound called magnesium hydrosilicate, stable at high pressures and temperatures, could have stored water deep within the Earth's mantle during its violent early days. This finding has significant implications for understanding the origin of water on Earth and potentially habitable exoplanets.
A new device has been developed that converts sunlight into two promising sources of renewable fuels – ethylene and hydrogen. The researchers found that by optimizing the working conditions for cuprous oxide, a promising artificial photosynthesis material, they can create a more stable system.
Researchers demonstrate that quantum networks' predictions differ when postulates are phrased in real numbers. The study proposes an experimental setup involving two sources and three measurement nodes, where complex quantum theory's predictions cannot be expressed by their real counterparts.
A team of researchers found evidence that solar wind altered the chemical composition of ancient asteroid grains, producing water molecules and providing a possible source for Earth's oceans. The discovery could help future space missions find sources of water on airless worlds.
Researchers at Aarhus University have developed a groundbreaking technology to accurately map and characterize groundwater systems. The new method uses surface-based NMR measurements, enabling detailed hydrogeological and geological analysis in previously inaccessible areas.
A combined experimental and computational study published in Nature Catalysis introduces a new class of complex metal hydride catalysts that can synthesise ammonia at temperatures as low as 300°C and pressures as low as 1 bar. These catalysts have the potential to pave the way for more sustainable means of ammonia production.
Researchers from Shibaura Institute of Technology synthesized atropisomeric N-aryl quinazoline-4-thiones, showing unprecedented isotopic atropisomerism due to rotational restriction around an N-Ar bond. The findings support the formation of diastereomers and have potential applications in pharmaceuticals.
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.
Researchers at Nagoya City University find a fourfold increase in surface deuterium atoms on nanocrystalline silicon, paving the way for sustainable deuterium enrichment protocols. The efficient exchange reaction could lead to more durable semiconductor technology and potentially purify tritium contaminated water.
Researchers have successfully broken carbon-hydrogen bonds in light alkanes using a novel amidation process, enabling the synthesis of complex organic molecules such as pharmaceuticals. The method has significant implications for recycling plastic waste and utilizing natural gas as a synthetic building block.
Julian West's lab receives a five-year, $1.8 million NIH grant to simplify the synthesis of organic chemicals, enabling new hydrogen atom transfer modules and 'mutase-like' catalysis. This will accelerate the development of new drugs and compounds with improved properties.
A team of FAU researchers has developed an innovative process for producing asymmetrical hexaarylbenzene (HAB) molecules with six different aromatic rings. The four-step domino reaction allows for the efficient synthesis of large quantities of these complex molecules without toxic metals.
Chemists at Scripps Research have developed a new method for adding hydroxyl groups to organic molecules using a shape-shifting catalyst. The breakthrough eases the process of modifying existing molecules for valuable applications such as improving drug potency and duration. The new method has been demonstrated on various existing drug...
A new synthesized chemical compound demonstrates how introducing diradical systems can alter the properties of carbon nanotubes, including spin states and aromaticity. The findings show smaller singlet state systems exhibit in-plane aromaticity and stability.
Rangarajan aims to develop a novel computational framework to understand the molecular level of catalytic transfer hydrogenation, a promising approach for safe and cost-effective biomass conversion. The technique could lead to more compact, modular processes with near-ambient temperatures and pressures.
Researchers from NCRA-TIFR and RRI used the Giant Metrewave Radio Telescope to measure the atomic hydrogen gas content of galaxies 9 billion years ago. They found that galaxies at this time were rich in gas, with nearly three times as much mass in atomic gas as in stars.
Scientists have developed a new approach to improve hydrogen transport in solids, enabling faster movement of negatively charged hydrogen 'anions' at lower temperatures. The breakthrough could lead to more sustainable sources of energy and practical applications in electrochemical devices.
Scientists have discovered a way to synthesize highly active single-atom catalysts using iron-breathing bacteria, promising a cheap and reliable method for hydrogen production. The innovation utilizes the bacterium's metal-reducing ability to conduct electrons and produce single atoms of catalytically active metals.
Research at TU Wien reveals that individual facets of nanoparticles can form oscillations of different frequencies when exposed to oxygen and hydrogen. This complex behavior can lead to more effective catalysts and insights into non-linear reaction kinetics.
Researchers from Argonne National Laboratory have synthesized a stable borophane nanosheet with potential applications in nanoelectronics and quantum information technology. The material is stronger and more versatile than steel, making it a promising candidate for future devices.
Zheng and Qin et al. developed novel host-guest organic phosphorescence systems using commercially available compounds, achieving high phosphorescence efficiency and longest lifetime. The new systems utilize Förster resonance energy transfer (FRET) for improved performance.
Researchers have developed a new technique to synthesize superconducting materials at room temperatures, utilizing a thin film of palladium to separate hydrogen atoms from yttrium. The resulting material exhibits superconductivity at 12 degrees Fahrenheit, improving upon previous results.
Researchers have successfully created borophane, a stable form of atomically thin boron, which exhibits strength, flexibility and electronics properties. This breakthrough enables the exploration of its real-world applications in fields like batteries, electronics and quantum computing.
Researchers at the University of Innsbruck have elucidated the crystal structure of exotic ice XIX, a new ordered variant of high-pressure ice VI. This breakthrough discovery reveals new insights into the electrical properties of these unusual ice forms and paves the way for further experimentation to study their properties.
Researchers have made significant progress in understanding cold fusion through a new 2D modelling approach. By directly calculating the probabilities of fusion reactions involving muonic pairs of tritium atoms, the team found that these processes are 1 billion times more likely to occur than in 3D systems.
A new database of electron-molecule reactions has been created by Curtin University researchers, allowing for accurate modeling of plasmas containing molecular hydrogen. This development is crucial for the global push to develop fusion technology for electricity production on Earth.
Researchers used a machine-learning model to predict the distribution of palladium atoms on copper surfaces under changing temperatures and hydrogen concentrations. The study found that hydrogen adsorption drives palladium away from the surface at higher pressures and lower temperatures.
Researchers at the University of Tokyo have developed a new and efficient way to create nanographene, a material that is expected to revolutionize technology. The method uses an atomic force microscope (AFM) to precisely control the fabrication process, allowing for the creation of tailored nanographene formations.
The researchers synthesized a unique molecule that absorbs near infrared light, despite having only hydrogen and carbon atoms. The molecule's narrow gap between its highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) makes it useful for developing next-generation solid-state materials.
Researchers at Goethe University Frankfurt measured the propagation of light in a hydrogen molecule, achieving a new world record in short time measurement. The scientists tracked the ejection of electrons from the molecule using a unique technique, allowing them to determine the timing of photon interactions within zeptoseconds.
A team of astronomers has used the upgraded GMRT to measure atomic hydrogen content in galaxies as they were 8 billion years ago. The study reveals that the exhaustion of atomic hydrogen gas explains the decline in star formation activity over time.
The SPARC reactor concept leverages scientific progress in magnetic confinement fusion and high-temperature superconductor technology to achieve a compact, high-field DT burning tokamak. Seven peer-reviewed articles provide a comprehensive physics basis for the design.
A computational study reveals that infinite hydrogen chains can transform from insulators to metals, with electrons moving freely between atoms. The researchers' combined cutting-edge methods provide a new understanding of the chain's properties and its potential for custom-designing materials.
Researchers used AI and quantum mechanics to study dense metallic hydrogen, finding a smooth and gradual transformation from molecular to atomic phases. The discovery resolves long-standing debates on the nature of dense hydrogen and has implications for understanding giant gas planets.
Researchers used artificial neural networks to simulate hydrogen's phase transitions at high pressures and temperatures, challenging previous assumptions. The study suggests a smooth transition between insulating and metallic layers in giant gas planets, reconciling existing discrepancies between lab and modeling experiments.
Researchers developed a Ni-MOF that can capture acetylene with extraordinary efficiency and selectively from ethylene streams. The material has a synergistic combination of tailor-made pore sizes and chemical docking sites, making it especially efficient.
Researchers at Skoltech found a significantly higher concentration of short-lived ions (H3O+ and OH-) in pure liquid water than previously thought. This discovery has far-reaching implications for our understanding of the intricate structure of water, including its role in redox processes, catalytic reactions, and electrochemical systems.
Researchers have created a catalyst that can break carbon-fluorine bonds via hydrodefluorination, a process known as C-F bond breaking. The innovation has potential applications in remediating fluorinated compounds and could lead to cleaner, more efficient chemical processes.
Researchers at The University of Tokyo have introduced a novel color-changing organic crystal that displays superelastochromism, returning to its original shape and hue after being stressed. This property has potential applications in sensors for shear forces, particularly in industries like heavy manufacturing and shipping.
A team of researchers has used neutron crystallography to determine the structure of a large oxidase protein with high-resolution structural details. They found unusual proton behavior between a cofactor and an amino acid residue, and established a complete picture of topa quinone 30 years after its discovery.
A new study has refined our understanding of the amount of hydrogen, helium, and other elements present in violent outbursts from the Sun. The research found that helium and neon are enriched in coronal mass ejections, providing clues to the underlying physics in the Sun.
University of Groningen physicists have visualized hydrogen atoms at the titanium/titanium hydride interface, resolving a long-standing challenge in materials science. The new technique allows for the observation of both heavy titanium and light hydrogen atoms, shedding light on their interaction and properties.
Researchers found a massive gas disk around the 40-million-year-old star 49 Ceti, contradicting conventional planet formation predictions. The discovery raises questions about the origin of the gas and its impact on planetary composition.
Researchers use millimeter-wave spectroscopy to observe reaction products, determining the structure of the transition state for the first time. The study identifies two different transition states and suggests additional mechanisms may be involved.
Researchers found that charged polymers increase viscosity by altering water-water interactions, which is influenced by a nuclear quantum effect. This discovery has fundamental implications for developing new technologies in health, biosciences, materials science, and environmental science.
A new theoretical model predicts how protons will collide with hydrogen atoms in high-energy collisions, validating some previous conclusions while revealing discrepancies. The model has the potential to advance our understanding of plasma behavior and its application in realizing clean energy sources.
A research team at Tokyo University of Agriculture and Technology has developed a new method for constructing seven- and eight-membered carbocycles, overcoming previous difficulties due to instability. The process uses an internal redox reaction, allowing for the creation of medium-sized carbocycles with favorable formation rates.
Researchers have developed a new manufacturing process that could enable ultra-efficient atomic computers storing more data and consuming 100 times less power. The technique, known as hydrogen lithography, allows for faster fabrication of atomic-scale computers.
A team of scientists has developed a new method for creating high-powered magnets using a simple hydrogenation process. The resulting compound has anti-ferromagnetic properties, making it non-magnetic.
The GLIDE spacecraft will reveal the structure and dynamic behavior of the Earth's outermost atmospheric layer, known as the exosphere. The mission will make unprecedented measurements of far ultraviolet light emitted by hydrogen atoms in the exosphere.
Researchers have synthesized a novel superconductor CeH9 with exciting properties. The compound exhibits superconductivity at relatively low pressure of 1 million atmospheres.
A recent study published in The American Journal of Clinical Nutrition has found that vitamin E absorption does not require concurrent consumption with fat. After 12 hours without eating, subjects who consumed a fat-containing meal showed significant absorption of vitamin E.
A new measurement for the size of the proton at 0.833 femtometres confirms it is approximately five percent smaller than previously accepted value. The study resolves the long-standing proton-radius puzzle with an electron-based measurement that agrees with a 2010 finding.
A team of researchers discovered an effective method for removing lattice defects from crystals, particularly useful for semiconductor materials. By adding hydrogen and then annealing at low temperatures, they created an ordered phase of boron with a large unit cell, overcoming previous difficulties in achieving this structure.
Sodium-ion batteries have shorter lifetimes than lithium-based batteries due to the unintended presence of hydrogen. Hydrogen leads to degradation of the battery electrode. The study reveals that measures can be taken during fabrication and encapsulation to suppress incorporation of hydrogen, leading to better performance.
Researchers from Columbia University and Harvard are collaborating on a $1 million project to advance ultracold chemistry, enabling the study of previously inaccessible molecular species and reactions. The team aims to create a range of molecules using metal attachment and laser cooling techniques.