Articles tagged with Chemical Compounds
Researchers at University of Göttingen develop a new method to convert CO2 into chemical substances by confining molecules in nano-sized environments. The team demonstrates the ability to break individual chemical bonds and restore them in single molecules under controlled conditions.
A POSTECH research team developed a new polymer electrolyte with different functional groups, resolving contradictions in mechanical strength and conductivity. This breakthrough enables the creation of artificial muscles that can produce fast switching and great strength.
A research group from Tokyo University of Science has discovered molecular features that govern the filling process at nanoscales, enabling finer resolutions in ultraviolet nanoimprint lithography. The findings provide valuable insights for guiding the selection and design of optimized resists for sub-10 nm resolution.
New evidence from Antarctica shows toxic fluorinated forever chemicals have increased markedly in recent decades, with scientists believing CFC-replacements are a likely source. The most abundant chemical discovered was perfluorobutanoic acid (PFBA), which has been linked to human exposure and immune system impairment.
A team of researchers from Tokyo University of Science has developed a novel multi-proton carrier complex that shows efficient proton conductivity even at high temperatures. The resulting starburst-type metal complex acts as a proton transmitter, making it 6 times more potent than individual imidazole molecules.
A new double-layered catalyst, combining platinum with NiFe hydroxide, was developed to enhance hydrogen generation efficiency. The catalyst's activity is 11.2 times higher than conventional materials, making it a promising solution for increasing green hydrogen production.
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.
A team of scientists at Tokyo University of Science has successfully produced hydrogen peroxide using spent coffee grounds and tea leaf residue. The new method, which is simple, cost-effective, and environmentally friendly, opens up new applications for unused biomass resources.
Scientists have developed a sustainable method to create valuable aroma compound mixtures from limonene, the main compound in orange peel oil. The process generates an amber-colored liquid with a pleasant odor and 17 different compounds with fruity, herbal, citrus, and resinous notes.
Researchers evaluated the toxicological effects of BaP on bay scallops, finding increased immune response-related parameters with time at higher concentrations. The study suggests that BaP dampens the immune response of scallops and decreases their capacity to respond to oxidative stress.
Researchers at Jacobs University have discovered a new class of compounds with anionic metal-oxo clusters that exhibit unique properties. The discovery has the potential to lead to breakthroughs in biomedical studies and industrial catalysis, as well as carbon dioxide reduction.
Scientists at the University of Copenhagen have discovered a new class of highly reactive chemical compounds called hydrotrioxides. Formed during atmospheric decomposition of substances like isoprene and dimethyl sulfide, these compounds are stable enough to react with other atmospheric compounds.
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 develop 'Chemical logic systems' (CLSs) that can process information from light, sound, and atmospheric oxygen to execute desired outcomes. CLS-1 exhibits AND logic-gate response towards three inputs, while CLS-2 displays fast reversible dissolution of a peptide-based assembly in response to blue light irradiation.
A new sensor technology allows for real-time monitoring of lactate levels in the brain, providing insights into energy metabolism and potential applications in cancer detection. The sensors corrected for hemodynamic artifacts using MRI-informed corrections enable accurate cell-specific lactate level recordings.
A new study suggests that supplementing a diet with Ascidiacea, also known as sea squirts, reverses some main signs of aging in animal models. The researchers found that plasmalogens, vital to body processes, decrease with age and contribute to neurodegenerative diseases like Alzheimer's and Parkinson's.
Researchers at Ohio State University developed a tool to create complex compounds using electricity, streamlining chemical processes and reducing costs. The discovery has broad applications in medicine, agrichemicals, and plastics production.
Researchers developed a fluorescent molecular probe, BOS, to detect bad cooking oils, improving the detection method for highly sensitive and accurate measurement. The Bad Oil Sensing System (BOSS) is a portable platform that can be used by consumers and the food industry to monitor oil quality.
A joint research team has developed a hybrid electro-biosystem that efficiently converts CO2 to glucose and fatty acids with high titer and yield. The system combines spatially separate CO2 electrolysis with yeast fermentation, achieving an ultrapure acetic acid solution for biological fermentation.
Research reveals that tropospheric ozone contributes more to the Southern Ocean's warming than previously thought. This finding highlights the importance of reducing air pollution to mitigate ocean heat uptake and climate change.
Researchers have developed an eco-friendly and reusable solution for removing toxic synthetic dyes from wastewater using nanocomposite-based hydrogels. The new material, made from carboxymethyl cellulose (CMC) and graphene oxide, demonstrates high adsorption capacities and retains its effectiveness even after multiple cycles of use.
Researchers at George Washington University developed a novel tool to rapidly screen pesticides for safety and performance. The new approach can aid in the design of next-generation molecules to develop safer pesticides, with only 7% of analyzed compounds meeting safety criteria.
Researchers at IOPCAS have synthesized a new compound Ba6Cr2S10, exhibiting ferroelectricity due to broken space-reversal symmetry. The discovery demonstrates the realization of a 1D ferrotoroidic model in a real material, opening doors for future quantum information technology.
A recent study found that COVID-19-derived plastic debris is contaminating marine ecosystems, with sea turtles being particularly affected. The research analyzed fecal samples from 76 sea turtles and detected the presence of face masks, which can leach endocrine-disrupting chemicals into the environment.
A massive volcanic eruption at the end of the Triassic period caused a global cooling effect, leading to the mass extinction. The event paved the way for the rise of dinosaurs as their natural predators went extinct.
A team of scientists led by Samuel Dunning has developed an original technique to predict and guide the ordered creation of strong, yet flexible, diamond nanothreads. The innovation allows for easier synthesis of the material, which has potential applications in space elevators, ultra-strong fabrics, and other fields.
A new study analyzes sediment cores from the North Sea, showing a significant accumulation of pollutants since the industrial revolution. The researchers found that the deposition of pollutants is linked to fine sediments transported by currents, causing a strong accumulation on the seabed.
Researchers discovered that gut bacteria can awaken dormant viruses by producing colibactin, leading to cell-killing infections. This finding suggests a possible link between colibactin-producing bacteria and cancer, potentially benefiting the bacteria's own survival.
Researchers at University of Copenhagen find that pharmaceutical residues in sewage sludge and cattle manure do not harm soil organisms, despite concerns over environmental risks. Organic fertilizers like sludge and manure provide better soil quality than conventional mineral fertilizers.
Monitoring projects have identified a vast array of contaminants in urban stormwater, including tire- and vehicle-derived chemicals, PFAS, phosphorous, metals, and more. Researchers are exploring various strategies to address this issue, such as rain gardens, permeable pavement, and reducing chemical usage at the source.
Researchers at the University of Copenhagen found hundreds of chemical substances in tap water stored in reusable plastic bottles, including some potentially harmful to human health. The study revealed that machine washing and dishwasher use can increase the leaching of toxic substances from the plastic.
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.
Researchers at Technical University of Munich have developed a new neutron-based method to detect clogs in underwater pipelines non-destructively. This approach uses prompt gamma neutron activation analysis to measure hydrogen concentration, allowing for the detection of blockages and hydrate formation.
Researchers discover novel compound AD732 with anti-inflammatory and analgesic properties, outperforming standard NSAIDs while causing minimal harm. The compound may be a safer alternative for treating pain and inflammation in difficult diseases like ulcerative colitis and Crohn's disease.
Researchers from Osaka University have successfully grown high-quality magnetite thin films on a hexagonal boron nitride substrate without compromising the film's properties. This breakthrough enables the development of flexible spintronics devices with preserved electronic and magnetic properties.
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.
Scientists from the University of Tsukuba have created a method to grow conducting polymers with magnetic properties using harmless virus particles as templates. The resulting polymer networks exhibit helical antiferromagnetic behavior, opening doors for applications in biosensors and virus detection.
Researchers studied bicyclic monoterpene alcohols' fungicidal activity against various fungi, finding (−)-myrtenol to be most promising. The compounds also showed antioxidant and membrane-protective activities, suggesting potential practical applications.
Scientists at Chalmers University of Technology have developed a new type of super-stable glass by mixing up to eight different molecules. This breakthrough material exhibits ultralow fragility and superior glass-forming ability, making it suitable for applications in display technologies, renewable energy, and pharmaceuticals.
A new study from the University of Gothenburg introduces an AI-based method to develop faster, cheaper, and more reliable information about cells using microscopy. This approach eliminates the drawbacks of traditional fluorescence microscopy by providing accurate results without damaging cells or inhibiting processes.
A team of researchers from the University of Illinois Urbana-Champaign used advanced machine learning to model the physico-chemical properties of a molten salt compound called FLiNaK, enabling accurate atomic-scale reproduction and prediction of behavior under specific reactor conditions. This computational framework can help character...
Researchers at EMPA created a flame retardant cotton textile that retains the natural properties of cotton fibers while providing fireproof and antimicrobial functionalities. The fabric does not contain carcinogenic formaldehyde and can absorb water, maintaining a favorable microclimate on the skin.
Researchers at Mainz University have conducted a literature review on cathodic corrosion in electrosynthesis, highlighting the need for new materials and methods to prevent electrode dissolution. The team aims to develop a method to generate plastic precursors from agricultural waste using electrosynthesis.
A research team has successfully fabricated single-layer tetracene molecular crystals using two-dimensional inorganic crystals as substrates. The resulting material exhibits extraordinary photostability and Davydov splitting, making it a promising candidate for OLEDs and organic photoelectric energy conversion.
High-energy-density Li–S batteries have been evaluated for their cycling lifespan, showing that considerable lithium polysulfides exist in the electrolyte despite high specific capacities. The actual capacity loss is mainly attributed to dissolved sulfur species rather than Li anode depletion.
The Stoffenmanager and Advanced REACH Tool models have significant deficiencies in their use, affecting chemical safety assessments. The models are based on subjective parameter values and lack physical principles, leading to uncertainty in exposure values.
Researchers at Ural Federal University developed a simple method to produce fluorine-containing heterocycles, which are promising building blocks for medicinal chemistry and agrochemistry. The new compounds were found to be highly chemically active and selectively entered into various reactions.
Researchers at Skoltech developed a mathematical model for thermoplastic composite materials, reducing conservatism in strength calculations. The model allows for virtual testing of structures, minimizing manufacturing costs while ensuring safety and quality requirements.
Researchers from Skoltech and their colleagues developed a neural network that can efficiently generate IUPAC names for organic compounds in accordance with the IUPAC nomenclature system. The network, trained using the Transformer architecture, achieved an accuracy of nearly 99%, outperforming traditional rule-based solutions.
Aarhus University researcher Kasper Vita Kristensen is investigating indoor air chemicals, which affect health, productivity, and learning. His project aims to identify chemical sources, processes, and technologies to create a healthier indoor climate for children.
Researchers examined whether individuals are using cannabidiol (CBD) for diagnosable conditions with evidence-based therapies. The study found that many users were seeking alternative treatments, highlighting the need for more research on CBD's efficacy and safety.
Researchers identified chloro-perfluoro-polyether-carboxylate compounds (ClPFPECAs) in soils across New Jersey, suggesting the use of these compounds as PFAS substitutes. The discovery provides insight into the environmental impact and toxicity of next-generation PFAS substitutes.
Researchers analyzed 80 volatile compounds and identified 17 key compounds responsible for wine fragrance. These compounds relate to fruity, woody, toasted, and citric aromas and can help guide the creation of more affordable wines with specific aromatic profiles.
A U.S. Army Research Laboratory researcher has developed a mathematical approach to design chemical compounds, reducing complexity and leveraging machine learning. This method could lead to the discovery of new materials with unique properties.
Kyoto University scientists have created a more cost-effective culture system for human pluripotent stem cells (hPSCs), which can support their long-term renewal without expensive growth factors. The new 'AKIT' culture, using three chemical compounds, is five to ten times cheaper than existing methods.
A study found that 43% of online cannabidiol products had more and 26% had less than the indicated amount on their labels. The findings highlight the need for stricter regulations and testing standards to ensure these products are used for medicinal purposes.
Researchers use metabolomics to analyze chemical compositions of Espeletia plants and confirm hypothesis on their origin and migration routes along the northern Andes. The study suggests that geographic isolation favored allopatric speciation in this plant genus.
Researchers developed predictive models that accurately anticipate the smell of molecules based on just a handful of features, outperforming traditional methods. The DREAM Olfaction Prediction Challenge demonstrated the potential for crowdsourced competition to advance our understanding of scent perception.
A study by the University of Cincinnati's James L. Winkle College of Pharmacy uses mathematical modeling to predict chemical compound behavior in biological tissues, such as skin. This approach enables researchers to test cosmetic or consumer products virtually, reducing the need for animal testing.
A QMUL PhD student has found a simple way to produce two ancient chemical compounds, sultones and sultines, which have applications in antiviral agents and may lead to new treatments for diseases such as HIV and Herpes. The breakthrough reduces the production process from five to two steps, increasing yield by nearly 100%.