Articles tagged with Chemical Compounds
Scientists have found new complex organic molecules spewing from Saturn's moon Enceladus, confirming that complex chemical reactions are taking place within its underground ocean. The discovery strengthens the case for a dedicated European Space Agency (ESA) mission to orbit and land on Enceladus.
Researchers discovered bulky amino acids reduce pore size, blocking transport of certain molecules in aquaporin 10.2. This provides a framework for predicting functions of uncharacterized aquaglyceroporins.
Researchers at CARS create detailed maps of chemical reactivity, discovering regions of unexpected outcomes and reconstructing intricate reaction networks. This new understanding enables control over the formation of different major products from a set of starting materials.
A team of researchers developed a new manufacturing process using bio-based solvents to reduce the production cost of perovskite solar cells by half and decrease climate impact by over 80%. AI-based reverse engineering technology was used to identify optimal conditions for efficiency and sustainability.
A new way to produce ammonia more efficiently has been discovered by boosting its production using low-temperature plasma. This method could create ammonia in smaller facilities closer to where it is needed, making it safer and easier to transport, and potentially leading to a transformative change in energy storage and transportation.
The Alliance for Clinical Trials in Oncology will host a public webinar showcasing key findings from the 2025 ASCO Annual Meeting. Researchers will discuss latest information on colorectal, squamous cell, and renal cell cancers.
A new study has revealed chemical signatures of ancient Martian microbial life in the Bright Angel formation, a region of Jezero Crater known for its fine-grained mudstones rich in oxidized iron and organic carbon. The findings suggest that early microorganisms may have played a role in shaping these rocks through redox reactions.
Advanced filtration systems can cut levels of cancer-causing DBPs, nitrates, and heavy metals, in addition to removing toxic PFAS from drinking water. The Environmental Working Group study found significant reductions in these contaminants across 19 US utilities.
Researchers at Ohio State University discovered that adding an electrical jolt to fermentation increases the yield and speed of platform chemicals from industrial food waste. Combining two bacterial species also enhances targeted chemical production and produces hydrogen gas as a byproduct, reducing waste and greenhouse gas emissions.
A new approach to the Chan-Evans-Lam reaction enables the synthesis of multiple natural products, including novel vinylic ethers. This breakthrough expands the potential for complex, biologically active compounds in drug research.
Researchers at RIKEN have developed a mechanochemical method to increase hydrogen saturation in perovskite powder, doubling its capacity. This discovery has significant implications for environmental sustainability and the potential for a hydrogen-based economy, as it enables more efficient production of ammonia fertilizer.
A new 'dual-mode' tracer agent shows promise in helping surgeons image and plan prostate cancer procedures while also providing guided surgery with real-time radiation detection. The tracer targets PSMA, a protein highly expressed on prostate cancer cells, offering high-resolution visual guidance and targeted radiation density detection.
A new study published in Nature highlights the differences between hydrogen and carbon monoxide as reductants in oxide reduction, offering insights for more efficient and sustainable metal extraction. Hydrogen is found to facilitate faster and cleaner reaction kinetics, generating benign water vapor as a byproduct.
Scientists have successfully synthesized a new type of molecular carbon allotrope, cyclo[48]carbon, which can be studied at room temperature. The molecule is stabilized by threaded macrocycles, increasing its stability and making it possible for spectroscopic characterization in solution.
Scientists have created the highest-performing underwater adhesive hydrogel technology, exceeding 1 MPa in adhesive strength, using data mining and machine learning. The gels can withstand repeated ocean tides and wave impacts, making them suitable for biomedical engineering and deep-sea exploration applications.
A new study uses molecular imaging to uncover structural defects in conjugated polymers formed through aldol condensation, a versatile and environmentally friendly synthesis method. By understanding these defects, researchers can develop more sustainable materials for electronics, computing, and other applications.
University of Toronto researchers have developed a new material that repels both water and grease as well as standard non-stick coatings, but contains much lower amounts of per- and polyfluoroalkyl substances (PFAS). The material uses nanoscale fletching technology to achieve its performance, making it a safer alternative for consumer ...
The Wiley Registry has received a significant update with the addition of over 17,500 new spectra. The collection now boasts a total of 913,000 high-quality mass spectral data points. These updates enhance the database's comprehensive coverage and reliability, benefiting researchers in various fields.
Researchers at Ohio State University have developed a novel method to generate metal carbenes, highly useful for drug synthesis and materials development. The new approach is 100 times better than previous methods, making it easier and safer to produce these short-lived carbon atoms.
Researchers at University of Hawaii have successfully created methanetetrol, a molecule once thought too unstable to exist, using extreme conditions. This discovery sheds light on complex reactions happening in deep space and reveals a pathway for the formation of organic molecules across the galaxy.
A new study in mice found that fetal exposure to certain e-cigarette ingredients can alter skull shape, even without nicotine. The offspring of mothers exposed to these compounds weighed less and had narrowed facial features and shortened skulls compared to those not exposed.
A multi-state study found inconsistent results on the performance of 'penetrants' and 'retainers,' emphasizing the importance of evidence-based surfactant classification. The research showed varying effects on rootzone volumetric water content and surface firmness, depending on location and turfgrass species.
A new study revisits forecasts made in 2002 about the world's rocky shorelines, finding some threats have materialized while others have not. The researchers highlight the importance of addressing issues like ocean acidification and plastic pollution to protect coastlines.
Researchers emphasize the need to distinguish between harmful PFAS and essential fluoropolymers used in medical devices, which have not been linked to health issues. Experts advocate for a balanced approach to protect both human health and environmental concerns.
A new peer-reviewed study by the Environmental Working Group analyzed data from over 17,000 community water systems and found that treating multiple contaminants simultaneously can prevent tens of thousands of cancer cases. The study highlights the benefits of a multi-contaminant approach to drinking water treatment.
Researchers at OIST have synthesized a stable 20-electron ferrocene derivative, defying the traditional 18-electron rule. This breakthrough could lead to new applications in energy storage, chemical manufacturing, and sustainable chemistry.
The study identifies the need for more widely adopted non-animal methods to identify endocrine-disrupting substances in the EU. The researchers advocate a balanced approach that includes both developing and validating alternative methods and refining animal testing.
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.
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.
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.
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.
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 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.
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.
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.
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 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.
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.
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.
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.