Articles tagged with Hydrogen Atoms
Researchers at the University of Colorado Boulder have successfully created colloidal particles that mimic atomic behavior, allowing for controlled interactions and assembly. By exposing these particles to different light sources, they can switch between attractive and repulsive forces.
Researchers have discovered the operation of a nanocatalyst at the atomic level, revealing its mechanism in modifying carbon-oxygen bonds. The study demonstrates the potential of developing effective and inexpensive copper-based catalysts for hydrogenation reactions.
Researchers at University of Göttingen and Pasadena discovered hydrogen binding to graphene in 10 femtoseconds, forming a transient chemical bond. This reaction creates a bandgap, making graphene a useful semiconductor.
Researchers used neutron crystallography to map the structure and catalytic mechanism of protein kinase A, revealing previously unknown characteristics and enabling enhanced understanding of cellular processes. The discovery paves the way for more precise therapeutics with fewer side effects.
University of Arkansas researchers have found a more efficient and affordable way to produce hydrogen fuel through water electrolysis. The new method uses nanoparticles composed of nickel and iron, which interact with hydrogen and oxygen atoms to increase the reaction's efficiency.
Researchers have found a way to replace hydrogen atoms with fluorine in organic molecules, increasing their metabolic stability and potentially leading to more effective pharmaceuticals. This breakthrough could lead to the development of new treatments for various diseases.
Researchers at MIT have developed a new microscopy technique that allows the observation of a metal surface during hydrogen penetration. This breakthrough could lead to safer reactor vessels and more efficient hydrogen storage tanks. The technique, which uses a liquid electrolyte to expose metal surfaces to a hydrogen environment, has ...
Scientists have successfully modified arsenene with chloromethylene groups, improving its semiconducting properties. The modified material exhibits strong luminescence and electronic properties, making it attractive for optoelectronic applications.
Researchers have successfully observed a Lyman-alpha transition in antihydrogen, a key milestone towards cooling and manipulating antimatter. The achievement uses laser pulses to manipulate the antihydrogen atoms and could lead to precision spectroscopy and gravity measurements.
Steel researcher Peter Felfer receives a 1.5 million euro grant to investigate the damage caused by hydrogen at the atomic level. He aims to build an atom probe that can differentiate between hydrogen in the material and environment.
Researchers found that gold palladium alloys improve hydrogen storage rates by making the surface less stable for hydrogen atoms to chemisorb. This encourages atoms to penetrate deeper into the metal, increasing overall absorption efficiency.
Scientists from Shinshu University and PSL University have theoretically proved a new mechanism for separating air molecules using nanowindows in graphene. The study shows that the atomic vibration of the nanowindow-rim changes the effective nanowidow size, selectively allowing oxygen from air to pass through, with separation efficienc...
Nebraska researchers have identified a simple equation to design less costly and more efficient catalysts for producing renewable hydrogen fuel. The team found that surrounding certain transition metals with specific environments can elevate their performance, making them viable alternatives to precious metals.
Researchers from Swansea University have conducted the most precise direct measurement of antimatter ever made, revealing the spectral structure of antihydrogen atoms in unprecedented detail. The result surpasses previous measurements by a factor of 100, bringing us closer to testing fundamental symmetries like CPT invariance.
The study confirms that GTP-bound Ras proteins do not have hydrogen atoms in their phosphate groups, a crucial assumption challenged by recent neutron diffraction analyses. This discovery has significant implications for understanding cancer treatment and the role of Ras protein in tumour formation.
Researchers used lab experiments at Berkeley Lab's Advanced Light Source to simulate chemical reactions near stars, confirming the production of pyrene and other complex hydrocarbons. The study provides insights into the origins of life's building blocks in space.
Researchers have recreated superionic water, a state where oxygen remains fixed while protons flow freely, exhibiting properties of both solid and liquid. This discovery could lead to new materials with unique practical applications and provide insights into the physical properties of planets in our solar system.
Polymer researchers found that manipulating polypropylene molecules' regularity affects the end product's mechanical properties. They discovered a relationship between isotacticity, degree of crystallinity, and material toughness.
Researchers have discovered that MXene nanosheets can be used to construct laminated membranes for efficient gas separation, outperforming top-of-the-line membrane materials in permeability and selectivity. This breakthrough could lead to the development of new gas separation applications and expand the use of membrane technology.
An international team has developed a new approach to produce complex materials from simple organic building blocks through self-organization. The researchers successfully created a semiregular 3.4.6.4 tessellation with large hexagonal meshes, exhibiting unusual properties and potential applications.
Scientists from Siberian Federal University and Nikolaev Institute of Inorganic Chemistry create active layers in hydrogen detectors using metal phthalocyanines and palladium membranes. This increases the sensor's sensitivity, enabling detection of hazardous gases and aiding in disease diagnosis. The researchers plan to further improve...
Researchers have visualized the motion of water molecules using a novel approach, revealing highly coordinated dynamics and stable environments. This discovery may lead to advancements in electronic devices, batteries, lubricants, and semiconductor technology.
Scientists at Argonne National Laboratory have made a breakthrough in understanding the Criegee intermediate, a key chemical able to break down sulfur dioxide and nitrogen dioxide. The research improves models for atmospheric chemistry and validates a major theory for predicting chemical reactivity.
Researchers have discovered a new chemical reaction to synthesize diazabicyclo[3.2.1]octanes, which could lead to breakthroughs in drug development. The new approach allows for the rapid synthesis of complex compounds without requiring additional reagents or catalysts.
The study reveals that the carbon-hydrogen bonds in the molecule play a key role in its volatile behavior. The optimal conditions for removal of excess hydrogen are below 175 degrees Fahrenheit, done in a good vacuum. This discovery can help chemists identify ideal operating temperatures and environments.
Researchers at RUDN University have developed a chemical compound with anticonvulsant properties, showing effectiveness only when it is chirally pure. The compound was synthesized and studied to create an efficient and usable drug for treating epilepsy.
Galaxies moving through 'cosmic web' filaments may have altered star formation rates due to compressed gas. The team will use multiple telescopes to observe neutral hydrogen and molecular gas in galaxies as they travel along filaments, aiming to determine if the amount of fuel for star formation is less abundant.
Physicists have successfully demonstrated the observation of wave properties in massive particles at room temperature. This breakthrough allows for the study of quantum effects in particle collisions that were previously unobservable.
Researchers at Penn State University have found that an iron-sulfur cluster carrier called NfuA replaces the destroyed iron-sulfur cluster in LipA, allowing it to continue producing lipoic acid. This discovery could help understand why humans with defects in the iron-sulfur carrier gene have deficiencies of lipoic acid.
Researchers at Oak Ridge National Laboratory use neutron crystallography to study the location of hydrogen atoms in aspartate aminotransferase, an enzyme vital to metabolism. This study could lead to new antibiotics and medicines against multidrug-resistant diseases.
Researchers found that atomic hydrogen makes up a majority of gas in younger galaxies, contradicting expectations. This discovery has significant implications for our understanding of the early Universe and the role of cold gas in star formation.
Scientists at ITbM, Nagoya University have synthesized a new bioactive small molecule that increases stomata numbers on flowering plants without stunting their growth. The team's discovery could help elucidate the stomatal development mechanism in plants and increase crop plant productivity.
Researchers at the University of Manchester have developed a tiny robot that can perform basic tasks such as building molecules using a robotic arm. The robots operate by carrying out chemical reactions in special solutions that can be programmed by scientists.
A Japanese team of researchers has successfully developed a synthetic receptor nanocapsule that can selectively bind sucrose in water. The capsule's unique recognition system is based on CH-π interactions between sucrose and the inner walls of the nanocapsule, allowing it to capture sucrose with high yield and stability.
Researchers developed a novel macrocyclic host molecule with exchangeable caps, enabling control of ion uptake/release on an everyday time scale. The discovery enables practical applications like storage and transport of molecules or uptake/release of target molecules at will.
A Canadian-led research collaboration reports observing spectral lines from an antimatter atom for the first time in a study published in Nature. The team studied antihydrogen and found that its spectral lines match those of hydrogen very well, which could provide clues about the nature of matter and antimatter.
Swansea University scientists have made a groundbreaking observation of spectral line shapes in antihydrogen, a key step towards understanding the origin of matter. The team has also precise determined the antihydrogen hyperfine splitting and measured its first transition line shape.
Scientists have developed a way to delete and replace out-of-place atoms in silicon chips, correcting communication pathways and enabling the creation of perfect patterns. This breakthrough allows for the production of ultra-low power atomic circuitry at room temperature, revolutionizing the field of electronics.
Physicists from Germany and Japan made a precise measurement of the proton's mass, improving it by a factor of three and correcting the existing value. The resulting mass is significantly smaller than current standards, providing insight into fundamental physical theories.
Researchers have observed carbon atoms exhibiting quantum effects, including wave-particle duality and tunneling behavior, in a reaction called the Cope rearrangement. At extremely low temperatures, the molecules can transition from one form to another without overcoming an energy barrier, a phenomenon known as tunneling.
Researchers at Kyushu University developed a novel design strategy for efficient light-emitting molecules using excited-state intramolecular proton transfer, achieving highly efficient thermally activated delayed fluorescence. This approach has the potential to improve the stability of OLEDs and unlock new properties.
Astronomers have spotted a rare opportunity to study the demise of a dwarf galaxy called Little Cub, which is being consumed by a gigantic neighbouring galaxy. The process provides clues about how smaller galaxies lose their gas and eventually shut down star formation.
Researchers from Poland's Institute of Physical Chemistry found that quantum rotations can follow classical rules under specific conditions. The discovery confirms a new model describing jump rotations in molecules.
Researchers at FAU have successfully assembled and tested conductors and networks made of individual molecules. The 'Lego bricks' can fabricate the smallest nanostructures under precision-controlled conditions, opening up possibilities for optoelectronic applications.
Researchers at the University of Basel successfully studied the strength of hydrogen bonds in a single molecule using an atomic force microscope. They found that hydrogen bonds play a crucial role in the properties of molecules and macromolecules, such as water's high boiling temperature.
Researchers at University of Arizona discover diffuse hydrogen gas surrounding Milky Way, accounting for large part of galaxy's baryonic mass. This finding confirms predictions from simulations and provides new insights into the nature of dark matter.
Astronomers study starburst galaxies to understand their evolution. Hubble's observations of NGC 4536 reveal high rates of star formation driven by gas supply, which fuels the creation of colorful ionized hydrogen clouds.
Researchers at UT Austin have developed a material that can detect a wide range of chemicals quickly and cheaply, leading to major public health gains. The innovation enables rapid on-site detection of chemicals, reducing costs associated with cleaning up spills, remediating sites, and operating medical imaging devices.
Researchers have made a breakthrough in understanding the production of bilirubin, a substance responsible for yellowing of the skin in jaundiced patients. By studying the biliverdin reductase enzyme, they discovered that two molecules of biliverdin are used to produce bilirubin.
Researchers localized and visualized hydrogen in steels and alloys at atomic resolution, overcoming a major engineering challenge. This discovery enables the development of new alloys with greater endurance.
Physicists have developed a methodology to solve the Schrödinger equation describing the behavior of an atom interacting with an external light pulse, yielding a theoretical description of how external light rays affect the energy levels of hydrogen atoms trapped inside fullerenes. The study reveals key aspects of the ionization proces...
Researchers have created a new class of polyarylboranes that exhibit high fluorescence and stability, making them suitable for applications in cancer diagnosis, drug delivery, and solar energy cells. The discovery has the potential to revolutionize these industries with low-cost and non-toxic materials.
Associate Professor Niveen Khashab's team created self-assembled toroids using a combination of materials and weak chemical bonds. The microstructures held their shape for months, providing insights into the formation of complex biological structures.
Chemical modification of insulin enables faster release and improved availability, maintaining efficacy. The study uses computer simulations and experiments to confirm the effect, demonstrating potential for optimizing diabetes treatment.
Swansea University researchers have conducted the first precision study of antihydrogen, a key step towards understanding why matter and antimatter exist. By measuring the spectrum of light emitted from excited antihydrogen atoms, they hope to shed light on the Big Bang's central question: what led to the creation of our universe.
Physicist Tyrone Daulton reviews Younger Dryas sediments for nanodiamonds and finds none, contradicting the impact hypothesis. He attributes this to misidentification of similar carbon structures, such as graphene and graphane.
A team of researchers has made a breakthrough in understanding the structure of ice XV, revealing new insights into its formation from ice VI. Their work uses neutron diffraction and computer simulations to shed light on the hydrogen ordering phase transition.
Researchers at the University of Illinois have discovered hot atomic hydrogen atoms in the thermosphere, a layer of the atmosphere above 250 kilometers. This finding contradicts previous assumptions and has significant implications for understanding atmospheric escape and the behavior of satellites in low Earth orbit.
Researchers at Purdue University have developed a hydrogenation process that uses high-voltage atmospheric cold plasma (HVACP) to solidify soybean oil for food processing without creating trans fats. The new process is more efficient and environmentally friendly, with the potential to produce safe plant oils on a large scale.
Elena Long's research aims to study the structure of nuclei by exploring how six quarks give rise to a binding force. She plans to use a new target made of deuterated ammonia to apply strong magnetic fields and measure polarization, gaining insight into matter's underlying structure.