Articles tagged with Chemical Compounds
Researchers developed an electrochemical conversion technology that achieves unprecedented performance in CO2-to-alcohol conversion, achieving a Faraday efficiency of 66.9%. The technology selectively produces allyl alcohol, a multi-carbon high-value-added compound, with potential applications in various industries.
Researchers have elucidated the molecular composition of a pigment produced by anaerobic bacteria, revealing its role in cellulose degradation. The pigment shows mild antibiotic activity against Gram-positive bacteria.
An interdisciplinary team at Flinders University has developed a safer and more sustainable approach to extract and recover gold from ore and electronic waste. The new method uses a low-cost and benign compound to extract gold, which can then be selectively bound to a novel sulfur-rich polymer, allowing for high-purity gold recovery.
A USC-developed shipboard system using limestone and seawater can remove up to half of carbon dioxide emitted from shipping vessels, cutting maritime CO2 emissions by 50%. The process mimics a natural chemical reaction in the ocean, where CO2 is absorbed into water pumped onboard and then neutralized through a bed of limestone.
Scientists developed a precise, cost-effective way to make chiral ketones for medicines, agrochemicals, and more using photocatalysis. This approach solves the challenge of reaching remote stereocenters in molecules, allowing for eco-friendly production of valuable chemicals.
Researchers developed an automated program to rapidly identify anti-glycation active compounds in natural resources. The CTM-AM strategy accelerates the discovery of natural products with anti-AGE activity.
Researchers at Colorado State University have developed a more efficient light-based process for transforming fossil fuels into useful modern chemicals, effective even at room temperatures. The organic photoredox catalysis system uses visible light to alter chemical compounds, reducing energy demands and pollution in various industries.
A team from Institute of Science Tokyo has developed a postfunctionalization technique allowing for the incorporation of phosphonate esters under visible light conditions. This breakthrough paves the way for a broader range of polymer modifications, enabling the creation of novel polymer architectures with unique properties.
Researchers at the University of Texas at Dallas have discovered a way to improve solid-state battery performance by creating a 'space charge layer' that enhances ion movement. This breakthrough could lead to better-performing batteries with improved safety and increased energy storage capacity.
Researchers at the University of Tokyo have successfully produced green ammonia using sunlight and atmospheric nitrogen, mirroring natural processes found in plants. The process uses two catalysts, one based on molybdenum and another on iridium, to activate water molecules and produce ammonia.
A new study reveals that body lotion hinders the generation of key hydroxyl radical precursors, while ethanol in fragrances acts as a sink, reducing the human oxidation field. This finding has significant implications for indoor air chemistry and human health.
The Center for Research Innovation in Biotechnology (CRIB) has developed a comprehensive database of active pharmaceutical ingredients with evidence of clinical testing. The database provides valuable information on drug discovery and development, including pricing, sponsors, and intended clinical applications.
Wiley adds new data to its KnowItAll Raman Spectral Library collection, bringing the total to over 27,000 spectra. This expansion enhances lab efficiency and accuracy through reliable spectral analysis.
Rasika Dias, a renowned chemist at UTA, has been named a 2025 fellow of the Royal Society of Chemistry for his groundbreaking contributions to chemical sciences. He is the second chemistry faculty member to receive this honor.
Researchers have developed a highly sensitive method to detect nitazenes – highly potent synthetic opioids – and xylazine, an animal sedative not approved for human use, in Australian wastewater. The method achieved up to 1000-fold enrichment and detected trace levels of these substances, posing significant risks of overdose.
A new study by Texas A&M University researchers has revealed insights into Mars' geological history and potential for ancient life. The team analyzed diverse volcanic rocks in the Jezero Crater, providing a window into the planet's distant past and signs of altered olivine.
A novel cannula delivery system allows repeated, nondisruptive delivery of imaging agents to the mouse brain during long-term multiphoton microscopy. This innovation enhances longitudinal studies on brain function, disease progression, and potential treatments.
A new study by researchers at the Institute of Science Tokyo hints that calcium ions played a crucial role in shaping life's earliest molecular structures. The team discovered that calcium dramatically alters how tartaric acid molecules link together, favoring homochiral polymers and potentially influencing the emergence of life.
Researchers have developed a new sensor to detect hazardous gas leaks in lithium-ion batteries, which could prevent catastrophic failures and enhance the reliability of battery-powered technologies. The sensor detects trace amounts of ethylene carbonate vapour, targeting potential battery failures before they escalate into disasters.
Research teams at Alcal'Hylab joint laboratory are working on designing next-generation materials for boosting green hydrogen production, combining the benefits of alkaline water electrolysis and polymer membrane technology. The goal is to produce ultra-pure gas with high yield while minimizing carbon footprint and pollutants.
The latest release of Wiley's AntiBase Library adds 9,500 compounds, increasing the total number of compounds in the database to over 105,000. This expanded database provides a powerful screening tool for discovering novel compounds with antimicrobial, antitumor, or other desired effects.
Researchers at ETH Zurich developed a groundbreaking method to recycle Plexiglas by breaking down polymer chains into individual monomer building blocks. The process relies on a chlorinated solvent and UV light, with yields of up to 98% even in multicoloured samples.
A recent study found that polyester microdroplets can form in salt-rich environments, at low alpha-hydroxy acid concentrations, and in small reaction volumes. This expands on previous research and suggests that polyester protocells were likely more common on early Earth than previously thought.
Researchers developed AshPhos, a ligand that facilitates the formation of carbon-nitrogen bonds using inexpensive materials. The tool has potential applications in pharmaceuticals, nanomaterials, and degrading PFAS pollutants.
Researchers have identified clinoptilolite and biochar as cost-effective options for removing siloxane compounds from landfill gas. These natural materials can enhance the performance of adsorbents with modification techniques, offering an environmentally friendly solution to mitigate damage to energy equipment.
The 26th Nagoya Medal of Organic Chemistry will be held on January 24th, 2025, with gold medalist Professor Alois Fürstner presenting lectures on catalysis and metal-carbene chemistry. Silver medalist Professor Masayuki Inoue will discuss total synthesis of highly oxygenated natural products.
A study by Chiba University researchers has identified 106 compounds in pregnant women's serum samples, including phthalates, nitrogenous compounds, and parabens, which may impact biological pathways. The study proposes a non-targeted approach for detecting foreign chemicals and evaluating their potential health effects.
Researchers at NYU Abu Dhabi have developed a new material that efficiently detects and removes perfluorooctanoic acid (PFOA) from drinking water, potentially revolutionizing water purification efforts worldwide. The breakthrough addresses global concerns over PFAS, or 'forever chemicals', which pose severe health risks.
A study published in Nature reveals that dietary fructose promotes tumor growth in animal models of melanoma, breast cancer, and cervical cancer. The liver converts fructose into usable nutrients for cancer cells, a finding that could lead to new treatment avenues.
Researchers at Colorado State University have developed a new method to break down PFAS, a group of human-made 'forever' chemicals. The system uses an LED light-based photocatalytic approach that can be used at room temperature, offering a more sustainable and efficient solution than traditional chemical manufacturing processes.
Researchers developed a spray coating that absorbs blue light and converts it to red light, increasing crop yield by up to 9% in field trials. The technology has the potential to extend greenhouse seasons, reduce energy consumption, and improve fruit taste.
Junior Professor Johannes Walker at the University of Göttingen has been awarded an Exploration Grant to develop new strategies for synthesizing saturated polycyclic molecules, potentially leading to new medicines. The award will enable his team to explore new lines of research and contribute to the development of new drugs.
The University of Birmingham and DEFRA's Hazardous Substances Advisory Committee have published new recommendations for improving chemical testing. The report suggests that the UK can adopt a risk-based approach to regulation, using New Approach Methodologies (NAMs), to reduce animal testing and improve safety assessments.
A new study discovered toxic 'Forever Chemicals' in tap and bottled water from around the world, with 99% of samples containing PFOA and PFOS. Treatment methods such as boiling and activated carbon filtration can substantially reduce PFAS concentrations, with removal rates ranging from 50-90%.
A new study has discovered a novel semi-synthetic compound derived from natural compounds that exhibits potent activity against Mycobacterium tuberculosis, including multi-drug resistant strains. The compound, BPD-9, provides a promising chemical scaffold for developing new anti-tuberculosis drugs.
A team of researchers has designed a new antimalarial drug called MED6-189, which is effective against both drug-sensitive and drug-resistant strains of human malaria parasites. The compound works by targeting the apicoplast organelle and vesicular trafficking pathways, making it a promising lead in the fight against malaria.
Researchers at ETH Zurich have developed a new method to degrade perfluorooctane sulfonates (PFOS), a subgroup of forever chemicals. Using piezocatalysis, the team was able to break down 90.5% of PFOS molecules in water samples, offering a potential solution to environmental pollution.
Researchers developed a self-assembling catalyst to facilitate the reaction between alkenes and alcohols, producing ethers with improved efficiency, generality, and selectivity. The catalyst's design was inspired by enzymes, which can position reaction partners for optimal reactivity.
A team of researchers has developed a new membrane material that can detect and remove pharmaceutical chemicals from water at trace levels. The new approach uses a polymer membrane with an interconnected network of pores, which are designed to capture larger molecules, allowing for more effective filtration.
Researchers investigated peptide clumping behavior using molecular dynamics simulations and AI techniques. They discovered that aromatic amino acids enhance aggregation, while hydrophilic ones inhibit it, offering insights into peptide structure and function.
Researchers have developed a cost-effective and easily reproducible point-of-care testing device that can accurately measure cortisol levels in the blood. The device uses iridium oxide nanoparticles to improve stability, sensitivity, and selectivity, allowing for commercial use.
Machine learning algorithms accelerate molecular dynamics simulations of irregular particles, enabling faster and more efficient modeling. This breakthrough has significant implications for understanding microplastic behavior in the environment.
Researchers have developed a novel sulfur fluoride exchange (SuFEx) reagent that enables highly controlled production of crucial sulfur-based molecules. This innovation has resulted in the creation of over 70 new chemical compounds with immediate applications in medicinal chemistry and pharmaceutical development.
Scientists have successfully characterized the structures of multiple xenon compounds using 3D electron diffraction. The technique allows researchers to discover the structures of challenging noble gas compounds that were previously difficult to handle and characterize.
A new study found that certain tree species in NYC, such as oaks and sweetgums, produce high levels of isoprene, which interacts with nitrogen oxides to form ground-level ozone. This could lead to increased respiratory problems if current efforts to reduce nitrogen oxide emissions are not accelerated.
A team of researchers developed a new chemical reaction to synthesize ADP- and ATP-containing molecules with high yields, overcoming limitations of traditional methods. The reaction uses a hydrolysis-stable reagent and achieves reproducible access to these molecules.
A novel tool called BitterMasS harnesses mass spectrometry to predict bitterness without prior knowledge of chemical structures. The tool achieved remarkable precision and recall rates in internal and external tests, streamlining compound screening processes.
Researchers at Moffitt Cancer Center have developed a groundbreaking synthesis method for producing withanolides, a class of compounds that inhibit cancer cell growth and induce cell death. The scalable production of these compounds will advance cancer research and treatment development, offering new hope for patients.
Researchers at UNICAMP and UCA optimize anthocyanin extraction from jabuticaba peel, achieving a higher yield than traditional methods. The novel method uses biosorbent material derived from the residue, resulting in an efficient and environmentally friendly process.
Researchers at Okayama University developed a switchable process to synthesize 3-aminoindolines and 2'-aminoaryl acetic acids from a common substrate using Grignard reagents and azide compounds. The new protocol utilizes tautomerism to control chemoselectivity and achieves efficient synthesis with good yields.
Researchers at UC Santa Barbara have developed a method using photobiocatalysis to produce non-canonical amino acids that can be used as building blocks for novel proteins, therapeutics, and natural products. The efficient process is stereoselective and eliminates the need for protecting groups.
Researchers developed a novel compound with nonlinear photochromic properties, achieving enhanced contrast and spatial resolution. The compound exhibits improved coloration efficiency with higher-intensity light, enabling diverse applications in photolithography, 3D printing, and optical disks.
Researchers aim to create polymers that can form the basis of effective sensors for applications in physiological, environmental, and Internet of Things monitoring. The goal is to increase energy efficiency and broaden material choices, enabling devices to operate at low voltage and interact with ions and transport ionic charges.
Researchers at Colorado State University have developed a new approach to speed up the development of pharmaceuticals and pesticides. By deconstructing and reassembling common compounds known as heterocycles, scientists can rapidly change their characteristics without extensive synthesis.
Scientists studied the nickel-tungsten alloy interface to understand its properties and behavior. The research revealed the formation of intermetallic compounds and diffusion-induced recrystallization regions, which significantly impact the material's mechanical, thermal, and chemical properties.
Researchers at Saarland University have successfully synthesized the world's first 'heterobimetallic' sandwich complex, containing two different metal atoms. The discovery expands the class of sandwich molecules, which play a crucial role in industry and are being studied for their potential applications.
A new study published in Scientific Reports predicts the potential formation of 127 acutely toxic chemicals in flavored vapes. The research highlights the urgent need for comprehensive regulation of vaping products, particularly among non-smoking teenagers and young adults.
A research team at Waseda University has discovered a family of poly(thiourea)s (PTUs) with exceptional optical properties, including transparency over 92% and a refractive index of 1.81. The polymers can be easily degraded into simpler molecules, making them suitable for sustainable optoelectronic applications.
A new study reveals that retention ponds and wetlands can significantly reduce the amount of tyre particles entering aquatic environments, with an average reduction of 75%. The research found that tyre wear particles outweigh other forms of microplastics, but are also removed in greater quantities.
Scientists developed a force-controlled release system harnessing natural forces to trigger targeted release of molecules, advancing medical treatment and smart materials. The breakthrough uses rotaxane technology to release multiple functional molecules simultaneously, including medicines and healing agents.