Articles tagged with Water Molecules
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.
Researchers at Stockholm University have discovered correlated motion in water dynamics on a sub-100 femtosecond timescale, indicating a complex network of hydrogen bonds that play a role even on ultrafast timescales. The study reveals the coordinated dance of water molecules due to the formation of tetrahedral structures.
A study by Ohio State University found that some water-filter pitchers are more effective at removing microcystins, which can be toxic to humans and animals. The researchers tested three popular brands and found that the slowest-filtering pitcher removed all microcystins from the water.
Researchers use X-ray laser to heat water from room temperature to 100,000 degrees Celsius in less than a tenth of a picosecond, producing an exotic state of matter. This study has significant implications for understanding the properties of water and its behavior under extreme conditions.
Researchers have solved the mystery of steam burns, revealing that water vapour penetrates skin pores to cause second-degree burns. The epidermis cannot protect against steam, which condenses in the lower dermal layer, releasing thermal energy and triggering damage. To minimize damage, cooling is essential for a long time.
A team of researchers has discovered that the friction on ice is driven by the high mobility of water molecules at the surface, not by a thin layer of liquid water. The study found that as temperature increases, the mobility of these molecules also rises, resulting in lower friction.
A team of researchers led by Georges Belfort has discovered water wires in an imidazole molecule, which could lead to the development of artificial aquaporin membranes for efficient desalination. The study shows that the imidazole's ring structure enables water molecules to self-assemble into a highly oriented linear chain structure.
Researchers at KAIST have identified flammable ice formed in oceans through clay minerals in sedimentary deposits. They proposed a new principle for gas hydrate formation and found that electric fields can promote hydrate nucleation.
Researchers have developed a non-invasive method to track electrical activity in lipid membranes by analyzing the position of surrounding water molecules. This approach reveals unexpected charge fluctuations and complex chemical behavior previously unknown.
Scientists at UT Dallas created a surface that can capture and direct water droplets from fog and air vapor, rapidly directing them into reservoirs via lubricated microgrooves. The 'hydrophilic directional slippery rough surfaces' (SRS) use hydroxy functional groups to efficiently capture water droplets.
Researchers uncovered the anomaly in water's properties by using supercomputers to 'untune' its interactions, revealing a specific molecular arrangement that contributes to its unusual behavior. This discovery provides a simple explanation for phenomena such as water expanding on cooling and insects walking on its surface.
The researchers' hypothesis is confirmed by laboratory experiments and molecular dynamics calculations, which show that chiral arrangements of water molecules enhance material transport through the membrane.
Researchers have developed a straightforward modification to computer models of calcium ions that leads to highly accurate simulations. The new model can simulate calcium interactions with proteins and other molecules, providing powerful tools for studying biological processes.
A Southwest Research Institute scientist contributed to a study indicating water and/or hydroxyl may be more prevalent on the Moon's surface than previously thought. The research used multiple instruments and investigations to better characterize the inferred measurements of water, suggesting it is present under wider ranging conditions.
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.
The study reveals that water molecules at the RNA surface perform tipping motions, known as librations, which influence the structure and dynamics of RNA. The findings show a complex scenario where water fluctuations are transferred to RNA vibrations, essential for avoiding local overheating.
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.
Chemists at Ruhr-Universität Bochum tracked individual water molecules attaching to an organic molecule, exploring hydrophilicity and hydrophobicity. The study uses low-temperature scanning tunneling microscopy, providing insights into solvation processes.
The researchers discovered the structure of Channelrhodopsin 2, enabling a deeper understanding of its mechanism of action. This knowledge could lead to improved optogenetic tools for studying neurodegenerative diseases and developing gene therapies.
A new synthetic protocol has been developed to form 3D porous organic networks via solid-state explosion of organic single crystals. This method offers several advantages over existing techniques, including the absence of solvents and catalysts, resulting in highly pure products.
Researchers at Scripps Research Institute identify diamidophosphate (DAP) as a potential 'missing link' in chemistry that led to the emergence of life. DAP can phosphorylate key ingredients in early life forms, leading to the formation of primitive cells and potentially kick-starting life on Earth.
Scientists are planning to build an ambitious submillimeter-wave instrument to study the composition of geysers on Saturn's moon Enceladus. The instrument, SELFI, will measure traces of chemicals in the plumes, potentially revealing clues about the presence of extraterrestrial life and the ocean's chemistry.
Researchers at Penn University have demonstrated the ability to control liquid crystal patterns, which could be useful in creating patchy colloids and microscopic particles with functionalized surfaces. The study was led by Lisa Tran and Randall Kamien and has potential applications in biosensing and energy harvesting.
Researchers have designed a new catalyst made of cobalt and tungsten that reduces the cost of electrolytic hydrogen production by splitting water molecules at very low voltages. This process avoids the use of expensive and scarce precious metals like iridium.
The study reveals that anomalous molecular motions in supercooled water lead to the breakdown of Stokes-Einstein behavior, with regions forming hydrogen bonds heterogeneously. The findings provide insights into the physical implications of this anomaly, which could help explain dynamic behaviors in glassy materials.
Researchers analyzed how water molecules interact with one another in three types of ice, finding that interactions depend strongly on molecule orientation and ice structure. Insights from this analysis will help understand liquid water and its behavior surrounding biomolecules.
A new study reveals that amorphous ice, formed when water is cooled to low temperatures, exhibits a previously undetected internal pattern known as disordered hyperuniformity. This finding may help explain water's unique properties and challenge the definition of glass.
Researchers studied the movement of acetone droplets on water using a simplified model and three independent approaches, finding that ignoring surface tension's curvature leads to accurate calculations. The study has implications for understanding complex phenomena like droplet gliding and measurements like the Langmuir balance.
Indiana University scientists have developed a new method to predict the effectiveness of molecules that extract toxic elements from the environment. The discovery could significantly reduce the volume of nuclear waste, as well as improve water purification and soil remediation techniques.
Researchers have created ultra-thin carbon nanomembranes that can filter out specific molecules from water and air, with significant implications for purification and other industries. The membranes' unique properties can be tailored to suit different purposes, making them versatile tools in various fields.
Scientists are developing methods to create renewable fuel from water using quantum technology, marking a significant step forward in the pursuit of sustainable energy. The Global Precipitation Measurement mission revealed intense downpours within Hurricane Jose's powerful convective storms.
Scientists developed a handheld probe, MasSpec Pen, for non-destructive cancer diagnosis within minutes. The device analyzes tissue samples using tiny volumes of water, identifying tumors with high sensitivity and specificity.
Researchers from Northeastern University have discovered that tiny carbon nanotubes can efficiently remove salt from seawater, offering a potential solution to global water scarcity. The novel system outperforms existing methods, with the potential to increase accessible drinking water from 0.007 percent to a higher percentage.
A new study suggests that hydrophobic molecules like oil can be forced to dissolve in water when subjected to high pressure. Researchers applied immense pressure to methane and water, gaining insights into their interaction. This finding has implications for replacing hazardous industrial solvents and modeling planetary bodies.
Researchers discovered that carbon nanotubes with a width of 0.8 nanometers can filter water with better efficiency than biological proteins, known as aquaporins. The narrow nanotube porins (nCNTPs) maintain permeability even at high salt concentrations and can be tailored for specific ion selectivity.
Researchers at Washington State University have developed a small reactor that can inexpensively break down methane into carbon monoxide and hydrogen, producing syngas for use in energy production. This innovation could significantly reduce greenhouse gas emissions and wasted energy from oil drilling operations.
Researchers at Hebrew University developed novel nanoparticles for 3D printing in water, offering tunable properties and high light sensitivity. This breakthrough enables the creation of bio-friendly structures, tailored fabrication of medical devices, and environmentally friendly additive manufacturing.
Researchers have elucidated the ultrafast motions and structural characteristics of protons in water under ambient conditions, identifying the Zundel cation as a predominant species. The proton explores all locations between two water molecules within less than 100 fs, losing memory quickly due to strong electric field fluctuations.
Researchers at Ohio State University have created ice crystals with near-perfect cubic arrangement of water molecules, a form of ice that may exist in high-altitude clouds. The ability to study cubic ice in the lab could improve computer models of climate change and enhance our understanding of water.
Researchers at Thomas Jefferson University discovered a molecule, LRP4, that plays a crucial role in maintaining the balance of excitatory and inhibitory neurons. The molecule is specific to excitatory synapses, suggesting a parallel molecule may exist for inhibitory synapses.
A team of researchers used X-ray experiments and theoretical models to study the conversion of carbon dioxide into liquid fuels using copper catalysts. The findings revealed that oxygen atoms embedded near the surface of copper had a significant impact on the reaction, leading to more efficient reactions.
A new molecular modeling method using freely available software provides accurate predictions of solubility. The approach exploits thermodynamic expressions and can be applied to any solute-solvent combination, making it a crucial tool for industries such as pharmaceuticals and petroleum.
Chemists at Ruhr-University Bochum developed a new terahertz calorimetry technique to map changes in water molecules around solutes. This method allows for real-time analysis of hydration shells and can be applied to complex systems like enzymes for drug design.
A Caltech engineer explains how comets produce oxygen gas, a rare finding in space, through dynamic molecular oxygen production. The discovery challenges previous theories and has implications for searching for life on exoplanets.
Scientists have determined that water is only slightly more likely to stay in one piece as it binds to the catalyst surface than it is to form hydroxyl pairs. This small advantage has significant implications for industries using titanium dioxide, including alternative fuel production and solar energy.
Scientists from OIST and Australia have sequenced the COTS genome, revealing identical genetic material between Great Barrier Reef and Okinawa populations. The study identified water-borne molecules used by COTS for communication, which could be targeted to disrupt destructive spawning events.
Researchers at the University of Manchester have developed graphene-oxide membranes that can filter out common salts from seawater, making it safe to drink. This technology has the potential to revolutionize water filtration worldwide, particularly in countries with limited access to clean water.
Researchers use picosecond time resolution to investigate ultrafast radiation chemistry occurring immediately after protons interact with water. The new approach allows for high detail capture of rapid chemical evolution, revealing a delay in the formation of absorption bands after proton exposure.
Researchers modeled the mechanism of biological self-assembly, finding that flexible surfaces allow for rapid joining, while inflexible surfaces fuse slowly. The study explored factors influencing self-assembly and provides insights into understanding protein complexes and drug receptors.
Physicists at Roma Tre University developed a computer-based simulation to study the interactions of water molecules in supercooled conditions. The study reveals that a specific property of the water network can be used to determine changes in entropy, offering insights into unusual thermodynamic facets of water's activity.
Researchers have demonstrated the existence of a new quasiparticle called angulon, which forms when a rotating object interacts with its surrounding environment. The angulon theory can explain 20 years of observations and offers a quick and simple description for rotation of molecules in solvents.
A crowdsourcing effort helped researchers develop a mathematical model that can forecast the scent a molecule will evoke. The study used over 1 million data points from human volunteers to link perceptual information to chemical features, achieving a perfect score of 0.83 in smell prediction.
Scientists accurately predict protein volume changes upon unfolding, resolving a long-standing paradox. The new method, developed by Rensselaer Polytechnic Institute researchers, reveals that unfolded proteins gain and lose volume in intricate ways.
Researchers develop new method to analyze shale samples using NMR and molecular dynamics simulations, helping determine hydrocarbon presence and extraction difficulty. The approach improves identification of gas, oil, and water in organic shales.
Researchers at Harvard have developed a new flow battery that stores energy in organic molecules dissolved in neutral pH water. The battery loses only one percent of its capacity per 1000 cycles, making it long-lasting and cost-effective.
Researchers developed a new theory describing the deformation and breakup of nanosized droplets when they strike a surface, enabling improved nanoscale printing and spraying. The model is ready for use in applications but has limitations, such as only applying to nanoscale droplets and Newtonian fluids.
Researchers confirmed a theoretical possibility of dual liquid states in sub-zero water and other tetrahedral molecules. A study using DNA origami and simulation revealed that such structures could exhibit a high-density and low-density liquid phase, separated by an empty lattice.