Articles tagged with Chemical Reactions
A new mid-infrared sensor chip can accurately monitor liquid concentrations in real-time, enabling precise monitoring of chemical reactions. The sensor combines customized infrared technology and chemical robustness to deliver data within fractions of a second.
Researchers developed a light-based therapy, photodynamic therapy (aPDT), to combat antibiotic-resistant bacteria. The treatment showed promise in weakening bacteria, allowing lower doses of current antibiotics to effectively eliminate them.
A team of Japanese researchers used reinforcement learning to study fluid mixing during laminar flow, achieving exponentially fast mixing without prior knowledge. The method also enabled effective transfer learning, reducing training time for new mixing problems, and has potential applications across various industries.
MIT engineers create a flexible, semiconducting film that conforms to the skin like electronic Scotch tape, harnessing gallium nitride's piezoelectric properties for sensing and wireless communication. The device wirelessly transmits signals related to pulse, sweat, and UV exposure without chips or batteries.
Researchers at Hokkaido University used computer simulations to discover a reaction that selectively adds two fluorine atoms to a difficult-to-access position on an N-heterocycle. The successful synthesis of 48 new compounds with unique alpha position fluorine substitutions has significant potential for novel drug development.
Rice University researchers create a technique to make surfaces superhydrophobic by combining sanding with powder materials, resulting in water-repelling properties. The treatment also exhibits excellent anti-icing properties, slowing down freezing and reducing ice adhesion strength.
Researchers from Tokyo University of Science create a metal–organic framework-based magnesium ion conductor showing superionic conductivity at room temperature, overcoming the limitations of magnesium ion-based energy devices. The novel Mg2+ electrolyte exhibits a high conductivity of 10−3 S cm−1, making it suitable for battery applica...
Researchers at the University of Virginia School of Medicine have successfully engineered a material that can conduct electricity with zero resistance, paving the way for revolutionary technologies. The breakthrough uses DNA to guide chemical reactions, overcoming a long-standing challenge in materials science.
Researchers discovered that contact electrification causes the formation of reactive oxygen species in water droplets on solid surfaces. Hydroxyl radicals combine to form small amounts of hydrogen peroxide, which can be detected in humid environments, including fogs and raindrops.
International researchers, led by UMass Amherst, discovered a mechanism that allows certain fungi to destroy grapevines using small compounds that reduce iron and produce hydrogen peroxide. Antioxidants and chelators can potentially interrupt this process and prevent grapevine damage.
Researchers have gained new understanding of solvation, a process that changes water's physical and chemical properties. Strong interactions between ions and water molecules are disrupted by electrostatic interactions, leading to changes in intermolecular energy transfer.
A new PSU study found that vaping cannabinoid acetates leads to the formation of ketene, a toxic gas known to cause vaping-induced lung injury. The study suggests that prolonged exposure to ketene could be particularly hazardous, as it is virtually untraceable in the human body.
Scientists developed a novel multilayer coating to improve the longevity of steel, increasing its lifespan by up to 400 hours. The coating, comprising three layers, was found to provide higher resistance to rust than conventional Zn coatings.
Researchers reveal the likely composition of Charon's dynamic methane atmosphere and propose a possible source for its red polar zone. The team's novel experiments and atmospheric modeling suggest that ultraviolet light breaking down methane molecules is key to understanding the moon's unique albedo.
A researcher at the University of Tsukuba has developed a method for producing electrically conductive polymers with helical configurations, which can convert linearly polarized light into circular polarization. This approach may lead to cheaper and more energy-efficient electronic displays.
Researchers at Chalmers University of Technology have invented a material that uses electrical signals to separate biomolecules, paving the way for efficient production of biomedicines. The material's ability to function in biological fluids with buffering capacity enables remote-controlled drug release and reduces energy consumption.
A research team from Tokyo University of Science has developed a new method to create copolymers with different metal species, which have potential uses in catalysis and drug discovery. The technique allows for controlling the composition of metal species in the resulting polymer.
Researchers at Colorado State University have developed a cobalt-based molecule that can detect extremely subtle temperature shifts inside the body, opening up new possibilities for medical imaging and therapy. The noninvasive probe uses radiofrequency waves to read out temperature signals from the body.
West Virginia University researchers are exploring the symbiotic relationship between Miscanthus x giganteus and its microbes to improve the crop's resilience in unpredictable climates. The goal is to determine the best way to manage the plant on marginal soil, which could help restore damaged soils and mitigate climate change.
Researchers from Tokyo Metropolitan University have developed an innovative carbon capture system that removes CO2 directly from the atmosphere with unprecedented performance. The isophorone diamine-based system achieves 99% efficiency and can process low concentrations of CO2 in air at a rate twice as fast as existing systems.
Researchers at Waseda University demonstrate a novel zirconocene-catalyzed epoxide ring-opening reaction under visible light, expanding the reaction scope and regioselectivity. The approach enables accessible synthesis of elusive alcohol products with improved efficiency and environmental sustainability.
Researchers at NIST developed a new, faster, and more accessible method for screening skin allergens without animal testing. The electrophilic allergen screening assay (EASA) achieved similar results to existing methods with 77% agreement rate, paving the way for potential standardization and increased international trade.
Researchers at Simon Fraser University have discovered a deep connection between two previously distinct fields of physics, stochastic thermodynamics and transition-path theory, allowing for a framework to quantify reaction information. This framework enables researchers to separate signal from noise in massive datasets, facilitating b...
A new method predicts the starting materials and reaction paths of multi-step chemical reactions using only information about the target product molecule. The algorithm reduces the number of paths to explore, mitigating the combinatorial explosion that occurs in single-step reactions.
Researchers have synthesized K2N6, an exotic compound containing nitrogen groups and packing explosive amounts of energy. The new material has a hexagonal structure with intermediate single and double bonds between nitrogen atoms.
Researchers at the University of Kansas discovered that microalgae-produced diatoms played a crucial role in preserving ancient spider fossils at Aix-en-Provence. The unique chemical process, similar to industrial vulcanization, stabilized carbon-based exoskeletons and promoted sulfurization, resulting in exceptional fossil preservation.
Researchers at Swiss Federal Laboratories for Materials Science and Technology have discovered a new chemical synthesis method that forms stable benzene rings on a gold surface. This method, called the 'dry' method, avoids toxic byproducts and allows for the observation of molecular reactions in real-time.
Researchers found that mice with the Val89 gene variant exhibit attention deficit disorder-like problems, including diminished cognitive performance and increased vulnerability to distraction. The study provides direct evidence of the genetic variant's effects on acetylcholine availability and its resulting cognitive impacts.
Researchers at University of Delaware have found that humans can detect subtle changes in chemical composition of surfaces, which could improve tactile technologies and virtual reality experiences. This discovery has potential applications in developing higher-quality tactile aids for people with visual impairments.
A unified approach to electrochemical energy storage involves recognizing a spectrum between chemical and physical retention of ions. This understanding can lead to the development of devices that combine high energy and high power, such as flexible batteries for wearable electronics.
Researchers from NTU Singapore and KIMM create chemical-free printing technique to fabricate semiconductor wafers with nanowires. The method produces highly uniform and scalable wafers, leading to improved performance and high chip yield.
Researchers at Okayama University have developed a novel 'green' synthesis technique for the production of NEt-3IB, a promising small-molecule oral drug candidate for inflammatory bowel disease (IBD). The new method produces large quantities of NEt-3IB with high purity and a total yield of over 30%, using only recoverable organic solve...
Researchers have identified a novel enzyme that catalyzes the formation of glycosidic bonds in complex sugar moieties. The discovery provides fresh insights into carbohydrate metabolism and offers a breakthrough for the synthesis of sugar chains, which play key roles in various biological processes.
Researchers at the European XFEL facility have taken pictures of gas-phase iodopyridine molecules at atomic resolution using ultra-bright X-ray pulses. The images were reconstructed from the fragments caused by a Coulomb explosion, providing unprecedented clarity for this method and molecule size.
Researchers at Arizona State University have developed a hybrid device that combines living organisms with bio batteries to produce stored energy under light conditions. The technology, known as microbial electro photosynthesis, has the potential to power a wide range of products, including transportation fuels and cosmetics.
A team of researchers from Skoltech and universities developed a neural network-based solution for automated recognition of chemical formulas on research paper scans. The algorithm combines molecules, functional groups, fonts, styles, and printing defects to mimic existing molecular template depiction styles.
Researchers at the University of Bath have developed a novel chemical glucose sensing method based on boronic acids and graphene foam. The new technique can accurately detect lower glucose concentrations than current systems, making it ideal for chronic conditions like diabetes.
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.
A recent review highlights the potential of structural proteomics in understanding pathological processes and predicting drug candidates for neurodegenerative diseases. The field combines protein chemistry and mass spectrometry to determine protein structure and interactions, which can lead to breakthroughs in treating serious health c...
A joint project by Paderborn, Rostock, and Mainz universities aims to develop new iron compounds that can convert sunlight into chemically usable energy. The researchers hope to reduce greenhouse gas emissions and create a more sustainable future.
The study found that efficient metabolic processes and recycling of components used by the enzyme RuBisCO significantly speed up photosynthesis in Chlorella ohadii. This discovery could lead to improving photosynthesis efficiency in other plants, developing new engineering tools for sustainable food production.
Scientists at the University of Missouri study photodissociation reactions on the quantum level, revealing strong quantum effects that challenge classical 'billiard-ball' models. The research could lead to a better understanding of atmospheric chemistry and develop new theoretical frameworks.
Physicists at the University of Bath and Michigan discover a new photonic effect in semiconducting nanohelices, accelerating drug discovery and development. The effect enables chirality measurement in tiny volumes, potentially revolutionizing high-throughput screening for life-saving medicines.
Scientists have created a new protective coating using Al-Mg-Si alloy to resist corrosion in ships and marine facilities. The coating demonstrates improved corrosion resistance through a 'shielding effect', increasing the economic life of steel machinery.
A Tel Aviv University study found a significant link between changes in G-protein-coupled receptors and brain adaptability. Disabling the voltage sensor of these proteins caused uncontrolled brain flexibility, leading to excessive habituation to odors.
A new CU Boulder study reveals that iodine from desert dust can decrease ozone air pollution but prolong greenhouse gas lifetimes. The finding has significant implications for air quality and climate, forcing researchers to re-evaluate how particles from land impact the atmosphere's chemistry.
A new UNSW Sydney-led study has finally confirmed the mechanism behind comet tails never being green. The team recreated the galactic chemical process in a vacuum chamber and used lasers to break apart dicarbon molecules, proving physicist Gerhard Herzberg's theory correct after 90 years.
Researchers at Lawrence Berkeley National Laboratory have developed water-walking liquid robots that can retrieve and deliver precious chemicals autonomously. The robots use chemistry to control buoyancy and do not require electrical energy, making them ideal for applications such as chemical synthesis and drug delivery.
A new project led by University of Illinois researchers will develop machine learning models to predict the reactivity of thousands of organic contaminants in engineered and natural environments. This will help scientists better model pollutant fate and transport, leading to more accurate contaminant risk assessments.
A new optical instrument will provide clearer images of the rhizosphere, enabling scientists to study chemical and biomolecular interactions between plants and soil. This research aims to mitigate the effects of climate change and develop more sustainable fuels and fertilizers.
The £17M Innovation Centre for Applied Sustainable Technologies (iCAST) aims to translate sustainable chemical technology research into commercial products. The centre will deliver 10 joint industry projects a year, tackling critical challenges in clean growth and addressing the UK's climate emergency.
A new study suggests that atmospheric conditions in the stratosphere pose a challenge to generating sulfuric acid, a crucial component of a proposed geoengineering strategy to mitigate climate change. Researchers found that solar radiation causes HOSO2 to quickly photolyse, breaking it down into harmful sulfur dioxide, which may reduce...
Scientists confirm existence of sigma-hole, a phenomenon previously predicted but never directly observed. This breakthrough enables understanding of interactions between individual atoms or molecules, facilitating refinement of material and structural properties.
Researchers at Okinawa Institute of Science and Technology (OIST) have developed a system to study cellular reactions in a way that more closely reflects how molecules behave in a living cell. By mixing a polymer with protein, they created membraneless droplets that can mimic the molecular properties of how molecules move in the cell.
A new study reveals how sperm change their swimming patterns to navigate to the egg, shifting from symmetrical to asymmetrical motion. This change in behavior, called hyperactivation, enables the sperm to sweep the area once in the egg's proximity.
Researchers at Graz University of Technology have developed a new production method for germanium-based photoinitiators, making them cheaper and more efficient. This enables their use in contact lenses, prostheses, and artificial human tissue, among other applications.
Researchers found that combining zinc oxide with small-molecule UV filter ingredients reduced UVA protection by 84.3-91.8% compared to non-mineral sunscreens. The study also showed toxic effects on zebra fish embryos when exposed to sunscreen mixtures containing zinc oxide.
Researchers have developed a new sensor that can detect chemical changes in immune cells during the breakdown of pathogens. The breakthrough could lead to early diagnosis and better treatment of infectious diseases such as tuberculosis, which claims about 1.5 million lives annually.
Researchers at RMIT University have developed a clean and cost-effective way to upcycle used plastic into high-value products such as carbon nanotubes and clean liquid fuel. The two-step process converts organic waste into charcoal, which is then used as a catalyst to upcycle the plastic.
Researchers develop new theory for attosecond transient absorption spectroscopy of polyatomic molecules, revealing electron-nuclear dynamics. The technique provides sufficient resolution to study decoherence of electron motion caused by nuclear rearrangement.