Articles tagged with Environmental Chemistry
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.
A new study highlights the need for collaboration among recyclers, manufacturers, and policymakers to develop efficient and sustainable lithium-ion battery recycling processes. Advanced techniques like direct recycling and upcycling could reduce costs by up to 40% while minimizing secondary pollution.
Researchers at University of Hawaii at Manoa shed light on the transformation of supercooled water into ice, mimicking Earth's atmosphere conditions. The study provides valuable insights into cloud formation and precipitation, tying into a $26 million project to develop sustainable refrigerant technologies.
Daniel Armstrong, a renowned UTA chemist, has been honored with the prestigious 2025 Pittcon Analytical Chemistry Award for his pioneering work in analytical chemistry. His research focuses on developing new approaches to identify chiral disease biomarkers, peptide epimers, and isotopic compounds.
Researchers developed a recyclable alternative to thermosets, making materials like car tires and hip joints more environmentally friendly. The new material, made from dihydrofuran, can be easily recycled and degrades naturally over time.
A University of Virginia study uses satellite data to show long-term air pollution inequalities tied to industrialized swine facilities in Eastern North Carolina. The research finds that these disparities extend multiple kilometers beyond the immediate vicinity of facilities, affecting communities of color disproportionately.
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 at Chalmers University of Technology found that biochar significantly reduces DDT uptake by earthworms in contaminated soil, halving the toxin's presence. This method could enable farming on land deemed unusable due to environmental risks.
Researchers from Trinity College Dublin have developed 'Malteser-like' molecules that can be governed to produce predictable and desirable self-assembly structures. These molecules hold promise for applications in highly sensitive sensors, next-gen targeted drug delivery agents, and luminescence-based monitoring.
Long-term drainage increases bound OC% in non-Sphagnum wetlands due to reactive metal oxides, but decreases it in Sphagnum wetlands. This mechanism helps compensate for lost unbound SOC components in non-Sphagnum wetlands.
Researchers at Ulsan National Institute of Science and Technology developed foldable molecular paths using zeolitic imidazolate frameworks, which can adjust size, shape, and alignment in response to temperature, pressure, and gas interactions. This technology has potential applications in creating filters that adapt to capture harmful ...
Researchers at Cornell University developed a method to extract gold from e-waste using vinyl-linked covalent organic frameworks (VCOFs), capturing 99.9% of the precious metal while minimizing other metals. This approach converts CO2 into useful chemicals, reducing waste disposal demands and providing environmental benefits.
Researchers at KIT developed a new water treatment method using carbon nanotube membranes in electrochemical membrane reactors. The study found that pre-adsorption of steroid hormones does not limit their degradation, thanks to rapid adsorption and effective mass transfer. This approach has the potential to improve the removal of micro...
Researchers at Rice University have created a sustainable way to integrate chlorine into chemical building blocks, reducing costs and environmental impact. The new process uses iron and sulfur catalysts activated by mild blue light, eliminating harsh chemicals and high temperatures.
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.
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.
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.
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.
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 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.
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.
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.
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 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.
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.
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.
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.
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.
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.
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.