Articles tagged with Organic Compounds
Researchers have identified polyalthic acid, a compound in copaiba oil, with potent antibacterial activity against Gram-positive bacteria. The study's findings pave the way for developing alternative medications to combat antimicrobial resistance.
A research team at Pohang University of Science & Technology created a photomultiplication-type organic photodiode that recognizes colors without an electron receptor, improving stability and full-color capability in applications like biometric recognition technology and cameras.
A research team has developed a technology that selectively targets and eliminates aging cells, contributing to various inflammatory conditions. This approach represents a new paradigm for treating age-related diseases with minimal toxicity concerns.
Scientists have created a new class of solid-state phase change materials using sugar alcohols, which can store-and-release heat more efficiently. By confining these compounds in covalent organic framework crystals, the researchers were able to suppress supercooling and retrieve thermal energy at higher temperatures.
Scientists at OIST have synthesized a new metallocene compound capable of holding up to 21 electrons, surpassing the traditional 18-electron limit. This breakthrough has significant potential for applications in medicine, catalysis, and energy, and could lead to novel materials with improved stability and performance.
A University of Trento study has demonstrated that inorganic structures can incorporate organic molecules to form primitive cell-like membranes, a key step in the origin of life on Earth. The findings open up new research opportunities for recreating life on other planets and improving drug effectiveness.
Researchers at UC Santa Barbara have developed a synergistic method that allows for the synthesis of non-canonical amino acids, which are important for therapeutic purposes. The process shortens existing multi-step methods by 3-5 steps and provides stereoselective chemistry.
Researchers investigated the fatigue behavior of 2D hybrid organic-inorganic perovskites (HOIPs), discovering they can survive over one billion cycles, outperforming most polymers under similar loading conditions. The study provides insights into designing and engineering these materials for long-term mechanical durability.
A new method for polyurethane synthesis without isocyanates was developed by Kobe University and AGC Inc. using fluorinated compounds, enabling the creation of highly elastic, wear-resistant, and durable polyurethanes with improved environmental sustainability.
Researchers developed a stable, porous molecular crystal using triptycene as a building block, leveraging noncovalent interactions to create a flexible material with high solubility and self-healing capabilities. The synthesized PMC exhibits excellent thermal and chemical resistance, making it suitable for various applications.
Researchers discovered bimetallic tartrate complexes with unique structures, formed by insufficient ligand, leading to improved sensor characteristics for microbiosensors. The study showcases the potential of laser-induced chemical liquid phase deposition for creating nanostructures with various applications.
A new study by Washington University researchers identifies primary organics as the main drivers of high PM2.5 concentrations over South Asia, attributing 1 million deaths to residential combustion and industry emissions in 2019.
Researchers from Japan and Germany have created an eco-friendly light-emitting electrochemical cell using dendrimers combined with biomass-derived cellulose acetate as the electrolyte and a graphene electrode. The device has a long lifespan of over 1000 hours and is environmentally friendly.
Researchers at WVU's forensic lab discovered how organic and inorganic compounds in gunshot residue differ in their persistence on surfaces and transfer. This breakthrough allows crime scene investigators to distinguish between 'greener' and traditional ammunition, enabling faster and more informed decisions at crime scenes.
Researchers at Flinders University and Zhejiang Sci-Tech University have developed a novel aluminium radical battery that uses water-based electrolytes, delivering stable voltage output and high capacity. The design has potential to replace hazardous materials in traditional batteries and provide a sustainable energy storage system.
A team of researchers has developed a promising synthesis method for producing 6-(difluoromethyl)phenanthridines, which hold tremendous potential for drug development. The study uses aryl-substituted difluoromethylborates and radical isonitrile insertion to form phenanthridine.
Researchers have developed a groundbreaking photonic integrated circuit chip that combines light source, modulator, photodiode, waveguide, and Y-branch splitter on a single substrate. The GaN-on-silicon platform reduces fabrication complexity and cost, enabling compact and high-performing devices.
The new VOLT Center aims to understand the interactions between organisms, environment, and atmosphere regarding volatile organic compounds (VOCs), which influence global climate. Researchers will study the production, consumption, and effects of VOCs from various organisms, including bacteria, plankton, and plants.
A new composite material made of ultra-tiny silicon nanoparticles and an organic element can convert lower-energy light into higher-energy light, enabling the formation of free radicals to attack cancer tissue. The material has potential applications in boosting solar panel efficiency and improving bioimaging technologies.
A team of researchers from China and the UK has developed new ways to optimise the production of solar fuels by creating novel photocatalysts. These photocatalysts, such as titanium dioxide with boron nitride, can absorb more wavelengths of light and produce more hydrogen compared to traditional methods.
Researchers at Pohang University of Science & Technology (POSTECH) developed a technology for high-performance organic polymer semiconductors that exhibit both stretchability and electrical functionality. The molecular brake prevents slipping under stretching conditions, preserving up to 96% of electrical performance.
Researchers developed a colorimetric method to detect volatile organic compounds at low levels using a printable glass-based detector. Additionally, strategies are outlined to overcome the single-molecule concentration barrier in fluorescence detection, enabling observations in high-concentration environments. An electrochemical test f...
Researchers at Leibniz-HKI have confirmed experimentally that bacteria use electrons from hydrogen to produce organic compounds. This breakthrough could make microbial electrosynthesis (MES) a commercially viable technology, producing ethanol and other fuels while storing excess electricity. The study optimized the process for high yie...
A study by University of Technology Sydney found that plants can remove 97% of toxic compounds, including cancer-causing pollutants, from indoor air in just eight hours. This breakthrough discovery highlights the critical role played by indoor plants and green walls in improving air quality.
The new design improves detection sensitivity and reduces response time by controlling fluid flow, promoting uniform VOC concentration. The authors plan to further optimize the chamber structure for ultrasensitive volatile sensing.
A new method for sexing chicken eggs by scent has been developed by researchers at UC Davis, allowing for early identification of male embryos. The technology relies on detecting volatile organic compounds emitted by the developing embryo, which can be analyzed using gas chromatography/mass spectrometry.
Researchers found that Carnivorous Sarracenia pitcher plants emit distinct odors to lure in specific groups of prey. The plant's volatile organic compounds significantly impact prey composition, highlighting the complex interactions between carnivorous plants and their environment.
Researchers discovered that ambrosia beetles Xylosandrus germanus use the volatile compounds of their fungal symbionts to aggregate and potentially kill trees. This finding suggests a new method for biological control by targeting specific beetle species with trapping lures based on these compounds.
Researchers at Hokkaido University have developed a simplified Birch reduction method that avoids liquid ammonia and can be carried out in ambient air, making it faster and more eco-friendly. The mechanochemical approach uses a ball mill to break through the surface layer on lithium metal, enabling the Birch reduction to proceed.
Researchers at Hokkaido University and Kyushu University have developed a technique to synthesize potential molecular switches from anthraquinodimethanes (AQDs), a group of overcrowded organic molecules. The synthesized derivatives can stably form twisted and folded isomers, as well as other isomeric forms, in different solvents.
A team of Purdue University scientists has identified a protein that plays a key role in helping petunias emit volatiles, challenging the idea that simple diffusion is responsible. The study focuses on how volatiles cross the cell wall, a barrier that separates the cellular interior from the plant's outermost protective layer.
Researchers found that breath analysis may be a valuable tool for COVID-19 diagnosis, but emerging variants pose challenges to overcome. The study's results warrant further evaluation to improve the use of breath analysis in patient care.
Researchers at The University of Manchester have developed stable, porous materials that capture and separate benzene, a volatile organic compound and major air pollutant. These materials, UiO-66 and MFM-300, demonstrate high adsorption of benzene at low pressures and concentrations.
Researchers found that a small molecule called ortho-benzyne can drive the chemical evolution of molecules in cosmic stellar nurseries. This discovery provides new insights into the complex chemistry happening in these environments.
Researchers developed a new photo-oxidation method to efficiently synthesize pharmaceutical intermediates and polyurethane from perchloroethylene, a common dry cleaning solvent. The method yields high-quality compounds with minimal environmental impact, offering a promising alternative for sustainable chemical recycling.
Researchers have discovered a way to produce limonoids, a family of valuable chemicals with potential as bee-friendly insecticides and anti-cancer drugs. By identifying the enzymes required for production, they can now use host organisms to create these compounds in a more sustainable way.
A new study reveals a significant increase in nocturnal production of nitrate radicals in China, which could exacerbate air pollution and pose a major health threat. The country's 'hot-spot' for nitrate radical production may worsen ozone and fine particulate pollution if emissions are not reduced.
Researchers analyzed 46 waste samples and proposed production opportunities for sustainable fuels, biogas, electricity, chemicals, and organic fertilizer. The study aims to reduce food waste and its environmental impact by finding alternative uses for industrial waste products.
A team of researchers from Japan has developed a single purely organic neutral molecule with an incomplete oxidation state for the first time. The new molecule exhibits multi-step phase transitions and crossover caused by intra- and intermolecular electronic interactions, leading to unique strongly correlated electron properties.
The Martian meteorite Tissint has revealed a rich inventory of organic compounds, offering insights into Mars' habitability. The study, published in Science Advances, discovered an unprecedented diversity of organic molecules, including magnesium compounds not previously seen on the planet.
Researchers at Ruhr University Bochum have developed a novel synthesis process that converts carbon monoxide into anionic ketenes, which can be isolated and used as defined reagents. This approach avoids the use of expensive or toxic metals, making it a promising avenue for sustainable chemistry.
Dartmouth College researchers have developed a durable copper-based coating that can precisely be integrated into fabric to create responsive materials for protective equipment, environmental sensors, and smart filters. The coating responds to toxic gases in the air by converting them into less toxic substances trapped in the fabric.
Researchers at Scripps Research have developed a general synthesis method for 1,2,3,5-tetrazines, a family of compounds with great promise for making new pharmaceuticals and chemical products. The new method is more efficient than previous approaches, requiring just five reaction steps to produce myriad versions of these compounds.
A new flow photo-on-demand synthesis system using chloroform as a precursor has been successfully developed by researchers at Kobe University. The system achieves high conversion rates and can synthesize various chemical products continuously in large quantities, offering a safe, inexpensive, and environmentally friendly alternative to...
Researchers create a new type of organic material that learns from its past behavior and emulates synaptic behaviour, enabling 'brain-like computing' networks. This breakthrough opens up opportunities in sustainable and green chemistry, energy, environment, and health.
Researchers discover individual gold atoms can target specific C-H bonds in organic molecules, enabling a low-energy reaction at room temperature. This breakthrough addresses two significant challenges and paves the way for the synthesis of novel organic and metal-organic nanomaterials.
Researchers have discovered a high-antioxidant ingredient in passion fruit peels that can preserve fresh fruits and cuts in an edible coating, reducing spoilage and plastic packaging. The microencapsulated powders are stable, non-hygroscopic, and suitable for industrial applications.
Researchers at the University of Tokyo have developed a new method for producing blue quantum dots, which are essential for creating high-quality displays. The breakthrough uses self-organizing chemical structures and a cutting-edge imaging technique to visualize the novel blue quantum dots.
The study focuses on reducing insects and pathogens that threaten crops, with manure serving as a potential solution. Researchers will investigate the most effective ways to apply manure to improve soil health and plant resistance to insect pests.
Researchers found that salen can effectively bind to SARS-CoV-2 proteins, preventing destruction and potentially leading to new treatments. The study, published in Polycyclic Aromatic Compounds, shows promise for developing effective coronavirus therapies.
Researchers at Kobe University have developed a new method to synthesize fluoroalkyl carbonates, which are environmentally friendly alternatives to toxic precursors. These carbonates exhibit high reactivity and can be used to create pharmaceutical intermediates and other substances.
Researchers at KAUST have discovered that the energy level alignment between donor and acceptor components in organic solar cells is crucial for device performance. Contrary to current belief, blends with little to no difference in one energy level metric were found to be poor performers.
Researchers at Heidelberg University have created crystalline materials that can selectively bind polyfluorinated hydrocarbons on their surface. The porous crystals show extremely high selectivity for adsorbing fluorine-containing greenhouse gases, which have a significant impact on global warming.
Brazilian researchers have identified bioactive compounds in a marine sponge that killed antibiotic-resistant bacteria, paving the way to develop new drugs. The substances proved capable of eliminating bacteria such as Escherichia coli and Staphylococcus aureus, which are responsible for many hospital-acquired infections.
A systematic review and meta-analysis of 52 studies found that electronic noses can accurately detect volatile organic compounds in exhaled breath for cancer diagnosis. The diagnostic accuracy varied across studies, with some showing high sensitivity and specificity.
Researchers from Japan have found that organic vapors can trigger the dissolution of molecular salts in a way similar to water vapor. This phenomenon, known as organic deliquescence, has potential applications for cleaning up indoor pollutants and can be used to remove volatile organic compounds (VOCs) from indoor environments.
Researchers from Tokyo Metropolitan University uncover the rapid growth of ultra-thin nanowires or 'whiskers' in organic compounds by following gas bubbles. They find that adding impurities can suppress bubble formation, allowing for controlled whisker-free growth and uniform crystalline material.
Researchers have developed an electric nose using porous metal-organic framework films to distinguish between xylene isomers in mixtures. The MOF-based e-nose achieved 86% and 96% accuracy for detecting xylene at low concentrations, paving the way for improved environmental monitoring and diagnostic health testing.
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.
A team of researchers has developed a proof-of-concept for electrochemical polymerization without an external power supply, opening up new avenues for environmentally-friendly synthesis reactions. The innovation uses streaming potential-driven electrochemistry to achieve organic synthesis.