Articles tagged with Water Molecules
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Researchers at NTU Singapore have developed a technique to observe how radiation damages molecules over time-frames of just one quadrillionth of a second. The technique allows for the study of biological tissue and molecules with greater precision, revealing complex vibrational frequencies that were previously unseen.
Scientists find that the arrangement of water molecules on surfaces is crucial in determining ice formation. By understanding this relationship, researchers can design surfaces to promote or inhibit ice formation, leading to advancements in weather prediction and material development.
Researchers at Stanford University have made a groundbreaking discovery that microscopic droplets of water spontaneously produce hydrogen peroxide. The finding has significant implications for the production and use of hydrogen peroxide, which is commonly used as a bleaching agent and disinfectant.
A team of researchers from Ruhr-University Bochum and Emory University observed the movement between individual water molecules for the first time, revealing new insights into their interactions. The findings help to better understand the intermolecular energy landscape and the strange properties of water.
A team of researchers has successfully demonstrated that potassium ions migrate through the selectivity filter of potassium channels without water molecules in between. Their study, published in Science Advances, utilized solid-state nuclear magnetic resonance spectroscopy to provide conclusive evidence under natural conditions.
Researchers have demonstrated that energetic interactions between hydrogen cyanide and water can form precursors to RNA and proteins. The study provides new potential pathways for the formation of life's building blocks, without requiring high-energy photons or metal catalysts.
A team of researchers from Ruhr-Universität Bochum has successfully created new organic molecules with magnetic properties, which retain stability up to -110 degrees Celsius. These compounds could be the key to developing lightweight, transparent, and flexible magnetic materials.
Researchers report the discovery of a methane hydrate phase in which water molecules surround and trap methane, remaining stable at pressures up to 150 gigapascals. This phase is similar to those found in the mantles of Uranus and Neptune.
Researchers at Ruhr-Universität Bochum identified a new mechanism for deactivating switch proteins, which regulate various body processes. The discovery provides insights into disease mechanisms and could lead to the development of anti-cancer drugs.
Researchers have developed ultra-sensitive light-detecting systems that can view galaxies and planetary systems in superb detail. The system works at room temperature, unlike current technology which requires extremely low temperatures.
A UCL study reveals that aminonitriles, the precursors to amino acids, can be easily turned into peptides in water, bypassing traditional formation methods. This discovery sheds light on how life first formed and has implications for synthetic chemistry.
Researchers find that hydrochloric acid releases its proton in interstellar space when added to water molecules in a specific order; however, the process can be reversed depending on the initial cluster formation.
Researchers have discovered a mechanism for how water forms on the Moon, releasing silver hydroxide molecules that react with hydrogen to form water and silver. This discovery suggests that water can be present in near-surface lunar soil, challenging the long-held assumption that it is brought from outside.
Researchers discovered that high pressure deep inside the young Earth may have driven vast stores of carbon into its core, while water ice undergoes complex crystalline metamorphosis under extreme conditions. The findings provide clues about how Earth-like planets are built and could be useful for studying worlds with icy surfaces.
Researchers at NYU Tandon School of Engineering have discovered a method to make organic solar panels more robust by removing electron-accepting molecules from the top surface. This technique enhances the durability of organic solar cells, allowing them to function under water without encapsulation and resist degradation from oxygen an...
Researchers have isolated single H2O molecules using cryogenic ion spectroscopy and observed individual frequencies of related OH groups. The vibrational frequencies demonstrate site-dependent behavior and reveal that bound OH companions account for lower energy bands in the spectrum.
Researchers at ETH Zurich have identified a novel way to prevent water from forming ice crystals by creating a new class of lipids that form a 'soft' biological matter. This material confines water in narrow channels, preventing it from freezing even at extreme sub-zero temperatures.
Researchers at Hokkaido University developed a computational approach to predict the behavior of clusters of molecules, enabling faster electronic devices with on/off switching and reversible conductivity. This method could lead to the creation of cluster molecular electronics, a new field of science.
Scientists have discovered a unique biomolecule that can alter the structure of water and prevent ice crystals from forming. This antifreeze characteristic could be used to develop synthetic versions for de-icing airplanes, preserving organs, and preventing freezer burn on ice cream.
Researchers from ETH Zürich and the University of Utah discovered that water vapor condenses in small particle pores to nucleate ice crystals. This process called Pore Condensation and Freezing is a key factor in understanding cold cloud formation and its impact on climate.
Scientists have observed water molecules moving around the dayside of the Moon, contradicting previous assumptions that it was arid. The amount and locations of surface water vary based on the time of day, with more common at higher latitudes.
The study reveals that water molecules migrate over the course of a day, with higher concentrations at higher latitudes. This new understanding of lunar hydration has significant implications for future human missions to the Moon, where water could be used as a source of fuel or radiation shielding.
Scientists employed complementary techniques to investigate the reactivity of isoprene at the water interface, finding that oligomers formed exclusively in electrosprays. Computer simulations confirmed these results, highlighting the importance of surface-specific techniques when studying interfacial processes.
Researchers at TUM have developed a compact instrument to determine the spectral properties of individual molecules, capturing detailed information on molecule-environment interactions. This breakthrough aims to accelerate the identification of efficient molecules for future organic solar cells.
Researchers discovered that resurrection plants control their water structure to survive dehydration by accumulating water molecular dimers and molecules with 4 hydrogen bonds. This regulation allows them to preserve tissues against dehydration-induced damages, enabling survival in dry states.
Researchers used X-ray spectroscopy to investigate liquid water's properties and found a continuous distribution model that describes near-tetrahedral liquid water at ambient conditions. This contradicts the existence of two separate phases in liquid water, supported by previous X-ray spectroscopic methods.
Nano-droplets play a crucial role in controlling the formation of membranes, a process that can be manipulated to create new nanomedicines. This discovery has significant implications for the development of targeted cancer treatments by encapsulating medicines in liposomes.
A team of researchers has found that diffusion may not be necessary to transport ionic charges inside a hydrated solid-state structure of a battery electrode. This discovery could lead to new design principles for electrodes and potentially improve the energy density and cycle life of high-power batteries.
Researchers from MBI report on an experiment using attosecond transient absorption spectroscopy to study the interaction of molecules with a laser field. They found that infrared fields affect weak core-to-Rydberg transitions more strongly than core-to-valence transitions, and that Rydberg states dominate XUV absorption.
A team at Cal Tech developed a novel approach to building a water force field, demonstrating its accuracy in predicting various properties of water. The new force field shows promise in improving drug design and understanding anomalous characteristics of water.
Scientists have developed a method to monitor changes in membrane potential and observe ion fluxes by studying the behavior of water molecules surrounding neuronal membranes. This breakthrough could provide insight into neural activity, enabling scientists to track neurons without using electrodes or fluorophores.
Researchers from Kumamoto University and Tokyo Institute of Technology developed a method to dissolve water-insoluble nanographene in water using molecular containers. The method successfully produced a highly ordered 2D molecular adlayer on a gold substrate, revealing its potential for next-generation functional nanomaterials.
Researchers at Ruhr-University Bochum used microscopic methods to observe the solvation process of a crystal in water. The team imaged individual molecules at extremely low temperatures, revealing the attachment of solvent molecules and the loss of molecular order.
Scientists from the University of Bristol have designed a new synthetic glucose binding molecule platform that brings us closer to developing the world's first glucose-responsive insulin. This innovation could eliminate hypoglycemia and provide better metabolic control for people living with diabetes.
Researchers at Harvard University have developed a new system that captures CO2 from power plants and heavy industry, converting it into industrial fuels with high efficiency. The improved system uses renewable electricity to reduce carbon dioxide into carbon monoxide, addressing the two main challenges of cost and scalability.
A team of researchers at the University of Tokyo has identified the weak van der Waals forces holding together a tiny, self-assembling box. The box can bulge to accommodate large or long guest molecules and contract to eliminate extra space when hosting negatively charged guests.
Researchers at the University of Hamburg disrupt crystalline order in a quantum system using light pulses, restoring superfluidity. The study demonstrates a fundamental mechanism for controlling phase transitions in many-body systems via light control.
Researchers discover water molecule stabilizes Tn antigen structure, leading to different interactions with cell receptors and antibodies. This finding has implications for developing synthetic molecules that can trigger a stronger immune response against cancer cells.
Researchers developed a new model explaining the interactions between small copper clusters and water molecules in producing molecular hydrogen. The study shows that copper-water complexes synthesized in ultra-cold helium nanodroplets can catalyze hydrogen production.
Rice University engineers discovered that weak van der Waals forces between nanotubes and water molecules can align into a square rod. The research provides valuable insight on ways to leverage atomic interactions for fabricating nanochannels and energy-storing nanocapacitors.
Scientists at TU Wien and Cornell University develop a novel method to create ultra-pure ice and apply it to titanium dioxide surfaces, revealing that smallest impurities are surprisingly significant. The study finds that two organic acids, acetic acid and formic acid, are the main culprits behind surface contamination.
Researchers at New York University find that water's density increases above freezing point and cooling it down reveals asymmetry in ion transport. This discovery could lead to new materials for clean energy applications and deeper understanding of water's properties.
Researchers at TU Wien have successfully synthesized high-tech dyes using plain water under high temperatures, breaking the need for toxic solvents. The new method utilizes water's properties to dissolve organic substances and crystallize the dyes, enabling their use in organic electronics and demanding applications.
Researchers from Ruhr-Universität Bochum used terahertz spectroscopy to gain new insights into the hydration shell of charged particles. They found that hydration shells with a size between two and 21 water molecules were determined for more than 37 salts, depending on the ion's size and valency.
A new microscopy technique allows researchers to visualize liquids at the nanoscale level, revealing unique properties of water and heavy water. The technique uses a specialized sample holder to trap tiny amounts of liquid, enabling high-resolution imaging and spectroscopy techniques.
Scientists at IBS report a breakthrough using heavy water (D2O) to delay sample damage in transmission electron microscopy. The approach allows for longer observation of molecule movements, enabling study of the nanoworld.
Researchers at NTNU used a combination of techniques to study nearly 100,000 simulation images and identify what triggers water molecules to split. They discovered a small number of variables that describe the causative mechanism, providing detailed knowledge of the reaction.
A study by Maria Antonietta Ricci and colleagues found that fructose forms the shortest and strongest hydrogen bonds with water, allowing it to bind more snugly with protein receptors. This interaction enables greater stimulation and perception of sweetness. Mannose, on the other hand, forms longer and weaker hydrogen bonds with water.
Researchers discovered graphene's 'transparency' in controlling water evaporation by adjusting wetting angles. The coating accelerates evaporation on hydrophobic surfaces and suppresses it on hydrophilic ones, leading to changes in the evaporation rate.
Researchers at the University of Utah and University of California, San Diego discovered how antifreeze proteins function, providing a direction for future research. The study found that AFPs prevent water from freezing by surrounding and binding to small ice crystals, preventing their spread.
A team at TU Wien has uncovered the mystery behind water molecule structures on iron oxide surfaces, revealing complex bridge-like structures that play a significant role in chemical reactions. These findings have wide-ranging implications for processes such as corrosion and catalyst function, and pave the way for further research into...
Scientists at Southwest Research Institute found large, carbon-rich organic molecules emanating from Enceladus' subsurface ocean. The discovery indicates the moon's rocky core and warm water interact to form complex molecules, satisfying key requirements for life as we know it.
A team of Swiss researchers used THz spectroscopy to measure the surprisingly slow response of solvating water after changing the charge distribution of a dissolved dye molecule. The study found a timescale around 10 picoseconds, which is slower than expected for liquid water.
A recent study published in Science reveals that atomically thin layers of water near solid surfaces exhibit no electric response, with a thickness of less than one nanometer. This finding has significant implications for understanding the role of water in biological molecules, proteins, and technological processes.
Researchers at UChicago developed a new model of water behavior under extreme temperatures and pressures using quantum simulations. The model provides insight into the properties of water deep inside the Earth's mantle and has implications for understanding life on exoplanets.
Researchers at Kazan Federal University are developing new hydrate inhibitors using water-soluble polyurethanes and biodegradable compounds like polyvinyl alcohol and glucose. The goal is to create affordable and effective solutions to prevent gas hydrates from forming, which can cause serious technological disasters.
Researchers at the University of Nottingham have created a self-sustaining circuit of reactions that produces chemicals more efficiently through a looped set of reactions using enzymes in flow. This method reduces environmental waste, is self-sustaining, and produces higher-quality end products.
Research finds that lone water molecules in oil solvents directly control supramolecular processes. The tiny water concentration affects molecular aggregates and reversible bonds, leading to unexpected outcomes in previous experiments.
Scientists have successfully separated two forms of water, ortho- and para-water, which exhibit different chemical reactivities due to their nuclear spin orientations. These findings were reported in Nature Communications and confirmed by computer simulations.
A team at TUM has shown that phase separation is an efficient way of selecting and stabilizing chemical building blocks, allowing them to survive longer. This process can be used to create self-replicating information carriers with life-like properties.