Articles tagged with Environmental Chemistry
A team of scientists has developed a method to insert a filiform molecule into the cavity of a ring-shaped molecule using light-induced reactions and self-assembly processes. This creates a molecular fit that is not possible at thermodynamic equilibrium, enabling the creation of new substances with unique properties.
D-Glue, an eco-friendly adhesive designed to break apart at lower temperatures, will partner with Plug and Play Japan's Deeptech Program. The debondable glue aims to reduce landfill waste and energy consumption, with the potential to expand production on a mass scale.
The Global Young Academy Asian Event-Global π Roundtable 2024 brought together experts to discuss strategies for addressing climate change and promoting sustainable development. The event explored topics such as resilient cities, mineral resources, and the integration of art and culture in scientific communication.
Scientists create a natural polysaccharide-based edible coating that replaces synthetic packaging, extending shelf life while reducing global food waste. The biofilm shows improved mechanical strength, antioxidant properties, and antibacterial activity, making it an eco-friendly solution to address food waste issues.
Researchers at Texas A&M University developed a non-toxic pesticide using neem seed extract and nanotechnology. The new formulation shows improved targeting ability and reduces environmental pollution by up to 80-90% of sprayed pesticides missing their target entirely.
A study found that a marine worm ingests and excretes organic-rich mud containing high concentrations of PAHs, halving the concentration within two hours. The degradation occurred when the mud passed through the worm's digestive tract, not in the mud itself.
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 $50 million consortium, led by Virginia Tech, aims to develop high-energy, long-lasting sodium-ion batteries using abundant and inexpensive materials. The initiative seeks to reduce US dependence on critical elements in lithium-ion batteries, paving the way for a more sustainable future in electric-vehicle technology.
University of Delaware researchers develop a method to remove toxic particles from tires by upgrading a molecule that provides UV protection into safe chemicals. The leftover crumb rubber can be recycled using classic plastic recycling methods or converted into aromatics and carbon black.
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.
A new study found that residential garden produce grown near the Fayetteville Works fluorochemical plant can contain high levels of GenX and other PFAS, posing an exposure risk to consumers. Water-rich produce like berries and figs exhibited the highest PFAS levels, with daily intake estimates suggesting a significant health concern.
Chemists at Ohio State University have developed a novel way to capture and convert carbon dioxide into methane, utilizing nickel-based catalysts and reducing the need for massive amounts of energy. This breakthrough could pave the way for more efficient climate mitigation technologies and help close the carbon cycle.
A team of researchers has developed Janus crystals that capture humidity from the air with high efficiency, enabling a spontaneous and energy-free process for collecting potable water. The discovery could provide an endless source of clean water, addressing global water scarcity issues.
SwRI researchers developed a tool to model environments expected on icy moons, accounting for organics and predicting conditions for microbial life. The project aims to constrain environmental factors and provide valuable information about ocean worlds.
Researchers developed a sustainable, high-performance material suitable for packaging and biomedical devices by exploiting the mechanical properties of cellulose nanofibres. Adding small peptides improves their mechanical performance and water-resistance.
A new study published in Science Advances found that the Arctic Ocean has seen a sharp rise in legacy persistent organic pollutants (POPs) decades after global regulations were put in place. POPs, which are toxic and bioaccumulative, pose potential dangers to animals and people in the fragile ecosystem's food web.
Researchers at Loma Linda University found the Salton Sea's shoreline is retreating at an increasing rate, creating more polluted dust from agricultural runoff. The study forecasts parts of the North Shore will retreat up to 172 meters by 2041, posing health risks to nearby communities.
The international project will analyze temperature-sensitive proteins in animals adapted to different thermal environments to understand how they perceive temperature changes. The study aims to uncover the molecular mechanisms underlying cold perception in animals, enabling them to initiate physiological responses crucial for survival.
A team of scientists and experts led by PNNL has developed a cloud computing approach to democratize access to emerging resources. They demonstrated that cloud computing can provide an agile complement to high-performance computing facilities, enabling complex chemistry workflows to be completed in days instead of months. The initiativ...
A team of researchers has developed a method to extract valuable materials such as biopolymers and phosphorus from wastewater treatment plants. These biomaterials can be used as sustainable alternatives to oil-based products in various industries, including paper production, building materials, and water purification.
A new study by Harvard researchers finds alarmingly high PFAS concentrations in fish tissues even up to 8 km from the military base. The results underscore the urgent need for more comprehensive monitoring of PFAS in aquatic ecosystems, particularly in regions where freshwater fishing is an important food source.
A new study found that the US air pollution monitoring network has significant gaps in coverage, particularly in historically underrecognized communities. The network's inadequacy to capture exposure disparities has been highlighted as a major concern, with potential health implications for millions of people.
Researchers at City University of Hong Kong have developed a new fabrication technique for perovskite solar cells, achieving power conversion efficiencies over 25% and 95% efficiency after 2,000 hours. This simplification makes industrial production more cost-effective and paves the way for more reliable and efficient solar cells.
Recent research highlights the multifaceted potential of chestnut tannin in various sectors, including its use as a replacement for antibiotics in animal feed and as a biostimulant and biofertilizer in agriculture. The compound's high biological activity is attributed to its ortho-phenolic groups.
Researchers at Ohio State University have developed a novel method to strengthen polyvinyl chloride (PVC) products by permanently attaching chemical additives using electricity. This new approach can prevent microplastic degradation and improve the material's durability, making it more suitable for various applications.
A research team has developed a simplified synthesis method for organic fluorophores using formaldehyde, reducing molecular size and increasing atomic efficiency. The new technique can also be applied to in vivo environments, showing promise for life sciences research and diagnostics applications.
A University of Maryland-led study found that burying wood in the right environmental conditions can stop its decomposition and help curb carbon dioxide emissions. The researchers analyzed a 3,775-year-old log and surrounding soil, revealing that it had lost less than 5% carbon dioxide thanks to the low-permeability clay soil.
Researchers at Pohang University of Science & Technology developed a non-fluorinated battery system to comply with environmental regulations and enhance battery performance. The innovative 'APA-LC' system, entirely free of fluorinated compounds, shows improved oxidation stability and higher capacity retention.
Industrial fishing practices in tropical and subtropical waters release high levels of methylmercury into the ocean. The majority of this mercury is found in large pelagic fish like tuna, which are then consumed by humans. This can lead to developmental delays in children and impaired cardiovascular health in adults.
A research team developed a computational workflow for analyzing large data sets in metabolomics, speeding up the process to capture chemical profiles of coastal environments. The tool, accessible to researchers worldwide, highlights potential sources of pollution and enables statistical insights within minutes.
Scientists have developed an electrochemical approach using catalysts derived from used lithium-ion batteries to produce hydrogen peroxide. The method utilizes carbon nanostructures and cobalt, displaying catalytic properties in oxygen reduction reactions.
Research shows ozone gas reduces tropical forest growth by 5.1% on average, impacting carbon capture and global warming. This effect is stronger in some regions, including Asia's tropical forests, which lose 10.9% of new growth.
A study by ETH Zurich scientists found that global warming's effects on plant recovery can last for thousands to millions of years. The research team discovered that the severity of climate shifts and the speed at which carbon is sequestered affect the duration of climate warming.
Researchers at Dartmouth College have developed a self-powered pump that uses natural light and chemistry to target and remove specific water pollutants. The pump uses synthetic molecular receptors designed to bond to negatively charged ions, which are then trapped and released in a non-reactive substrate.
Research from the University of Illinois highlights the potential of organic nanozymes for broader applications beyond traditional uses of inorganic nanozymes. The development of sustainable, environmentally friendly materials offers a promising solution for various industries.
Researchers at Chung-Ang University have discovered an additive that enhances the efficiency of perovskite solar cells, resulting in a record-breaking 12.22% efficiency. The additive, 4-phenylthiosemicarbazide, improves stability and reduces defects, paving the way for more accessible and long-lasting solar panels.
Researchers explored ancient interactions between life and the environment during the Phanerozoic Eon, a period of significant habitability improvements. They found that ocean algae played a crucial role in reducing atmospheric carbon dioxide levels and increasing oxygen levels, allowing for the evolution of more complex life forms.
Researchers warn of unprecedented arsenic release from wildfires, potentially releasing up to half of the arsenic emitted globally each year. Contaminated mining sites exacerbate wildfire risks, with wetlands being the most concerning due to their tendency to store contaminants.
A new study found that urban moss in older Portland neighborhoods has up to 600 times higher lead levels than rural areas, with concentrations linked to old telecommunications cables. The findings raise concerns about lead exposure and recommend avoiding soil disturbance in affected areas.
A new junior professorship in Earth System Science at Mainz University, sponsored by the Volkswagen Foundation, will establish a specialized lab for paleoclimate research. The lab will analyze high-resolution sediments formed thousands to millions of years ago to reconstruct past climates, including seasonal patterns.
Researchers have developed a rapid electrothermal mineralization (REM) process that can remediate synthetic chemicals in soil, including per- and polyfluoroalkyl substances (PFAS). The method uses electrical inserts and biochar to heat contaminated soil, converting PFAS into nontoxic minerals.
Pusan National University researchers introduced FLIT-SHAP, an explainable machine learning approach that breaks down pollutant effects in mixtures. The tool revealed significant synergistic and antagonistic interactions, challenging current approaches to regulating pollutants.
Researchers designed a novel method using electricity to synthesize methanol from carbon dioxide, increasing efficiency by up to eight times. The process involves cobalt phthalocyanine molecules on carbon nanotubes, with cations enhancing methanol formation.
Scientists from Trinity College Dublin created a computer program that visualizes molecular structure in the style of Piet Mondrian. The program uses blocks of color to represent symmetry and shape, making it easier to understand complex molecular interactions.
Anaerobic bacteria have survived for ages in oxygen-free niches, influencing human health and environment. The 'AnoxyGen' project aims to unlock their biosynthetic potential using molecular and synthetic biology tools.
The UTEP research team found that nanoplastics and PFAS can alter proteins in human breast milk, infant formulas, and affect oxygen storage. This could lead to developmental defects, compromised immunity, and reduced mineral absorption.
A research team at New Jersey Institute of Technology has developed a novel pre-treatment process to enhance the performance of existing GAC systems for PFAS removal. The approach involves adding a chemical that forms hydrophobic complexes with PFAS molecules, improving removal efficiency and cost-effectiveness.
A UC Riverside paper has opened the door to understanding more about life's beginnings and early evolution. The study weaves together data from ancient rocks, genomic studies of modern organisms, and recent breakthroughs about the evolving chemistry of the early oceans, atmosphere, and continents.
Chemists at the University of Konstanz create novel materials by balancing contrasting conditions using a single reaction vessel. The resulting pigment@TiO2 materials exhibit synergistic properties suitable for battery applications.
Scientists at Tokyo Tech create innovative catalysts by encapsulating copper nanoparticles within hydrophobic porous silicate crystals, significantly enhancing catalytic activity and methanol production. The breakthrough paves the way for more efficient methanol synthesis from CO2.
A new study reveals that the East Palestine train accident released inorganic pollutants into the atmosphere, which were found in precipitation across a large geographical area covering at least 16 states. The pollutants also reached southern Canada and North Carolina, posing significant risks to aquatic flora and fauna.
A new study reveals the underappreciated role of inorganic Zinc particles in ocean cycles, crucial for phytoplankton productivity and carbon sequestration. The Southern Ocean's unique processes regulate the global Zinc cycle, with implications for a changing climate.
Nitrous-oxide emissions have increased by 40% over the past four decades, resulting in accelerating atmospheric accumulation of this potent greenhouse gas. Agricultural production is the largest source of emissions, and improving practices can help reduce nitrous-oxide emissions and water pollution.
A new method discovered by researchers has the potential to reduce agricultural nitrous oxide emissions in Europe by one-third. The solution involves growing special bacteria that can convert harmful nitrous oxide into harmless nitrogen gas, reducing greenhouse gas emissions.
Engineers have modelled a new way to recycle polystyrene that could make the material reusable. The technique uses pyrolysis to break down polystyrene into parts that can be reformed into new pieces of the material, reducing energy consumption and increasing yield.
Researchers have documented 75 locations across northern Alaska's Brooks Range where remote streams and rivers are turning from crystal clear blue to cloudy orange. The staining is likely caused by minerals exposed by thawing permafrost, resulting in highly acidic and corrosive conditions.
Researchers from Trinity College Dublin unveil a deeper understanding of bastnäsite and rare earth carbonates' formation, influenced by multiple factors including temperature, time, and host grain solubility. This discovery could reshape the tech industry's reliance on rare earth elements.
A new model combines wildfire smoke forecasts and ground-based sensor data to help public health officials plan targeted interventions. The researchers found that urban and rural communities already burdened by pollution face higher air pollution levels during unexpected smoke events.
A new study led by Dr. Assaf Hochman uncovers ozone's impact on atmospheric stability and temperature distribution on Proxima Centauri b, a habitable exoplanet tantalizingly close to Earth's solar system. The research highlights the importance of considering interactive ozone in understanding Earth-like exoplanets.
Scientists have discovered DDT-related chemicals in deep-sea fish near Catalina Island, raising concerns about the persistence of toxic pollution in marine ecosystems. The contaminants are settling on the seafloor, potentially harming wildlife and human health if ingested.