Articles tagged with Plastics
Researchers at WVU have developed microwave technology to recover propylene from polypropylene waste, which can be reused in new plastics or products. The process uses precise control and lower temperatures than traditional methods, offering energy efficiency and reduced emissions.
Researchers at National University of Singapore develop a straightforward method to convert common chemicals into valuable alkenes using light. The new method simplifies the production of alkenes from abundant feedstock chemicals, enabling the creation of complex bioactive molecules.
A Rutgers Health study reveals that micro- and nanoplastic particles remain in rat offspring's organs long after birth, raising concerns for human health. The findings could lead to greater regulation of plastics with reduced toxicity.
Research suggests that plants can be used as an eco-friendly tool to collect and degrade plastic particles in natural ecosystems. Various plants have been found to absorb or adsorb micro- and nanoparticles through their roots or leaves, making them suitable for use as filters in wetlands or along highways.
Researchers at Osaka University have developed a way to make tough, chemically recyclable polymers without compromising on heat and chemical resistance. This breakthrough could hugely expand the uses of chemically recyclable polymers.
Researchers at Rice University have developed adhesive bacteria and proteins that can help efficiently decompose PET, a notoriously resistant type of plastic. The engineered microbes demonstrate a 400-fold increase in adhesion to PET surfaces, making them a potential solution for tackling plastic pollution.
A new study reveals high levels of airborne plasticizers in Southern California, including phthalates known to cause reproductive harm and cancer. The study uses silicone wristbands to track exposure to these chemicals, finding that daily levels are both high and persistent.
Researchers at Lund University found that grazing zooplankton and phytoplankton diatoms are severely impacted by nanoplastic particles, while cyanobacteria remain unaffected. The study's findings have significant implications for food chains and ecosystem processes.
Researchers have identified nearly 200 potential breast carcinogens in food contact materials, including plastics and paper, highlighting widespread exposure despite existing regulation. The findings emphasize the need for stronger preventative measures to reduce these chemicals in everyday products.
Researchers from Kyushu University found that reducing plastic waste entering oceans by 32% by 2035 would result in more than 50% less plastic in the oceans by 2050. The study aims to provide a clear numerical target for global efforts to tackle marine plastic pollution.
Researchers at Osaka Metropolitan University have developed a new catalyst that efficiently converts a derivative of glycerol into bio-based propylene, contributing to sustainable chemical production. The catalyst enables the selective reduction of allyl alcohol to propylene with high efficiency using renewable energy sources.
The project aims to create a Great Lakes-focused microplastic action network using proven reduction strategies and new tools. It will empower communities to identify local pollution sources and mitigate microplastic pollution at a local level.
Researchers have discovered microplastics in all three parts of coral anatomy, including surface mucus, tissue, and skeleton. This finding may explain the 'missing plastic problem' and suggests that corals could be sequestering plastic waste from the ocean.
A new USDA-funded research grant supports the development of sustainable, biodegradable mulch films that can provide nutrients to crops while reducing plastic pollution. The project aims to create durable and effective films that can be used for years without harming the environment.
A new report by international experts urges a collective approach to tackle plastic pollution, citing over 7,000 research studies on microplastics. The need for global reduction in plastic production and emission of microplastic particles is emphasized to avoid irreversible environmental damage.
Researchers from Zhejiang University have developed a hybrid laser direct writing technique that enables the creation of functional copper interconnects and carbon-based sensors within a single integrated system. The process allows for real-time temperature monitoring over extended periods, ensuring optimal performance and reliability.
A new chemical process can vaporize plastics, reducing waste and creating hydrocarbon building blocks for new plastics. The catalytic process efficiently degrades a mix of post-consumer plastic waste, bringing closer a circular economy for many throwaway plastics.
Researchers at Osaka Metropolitan University have developed polyethylene rafts that are about five times more durable than traditional bamboo rafts used in oyster farming. The new rafts are designed to be affordable and can withstand harsh weather conditions, reducing damage from typhoons.
A recent study published in Eco-Environment & Health explores the potential of phytoremediation to alleviate micro/nanoplastic pollution. The research identifies possible mechanisms and technological pathways for phytoremediation to combat plastic pollution, potentially delivering a sustainable solution.
A research team from Aarhus University has found a method to recycle polyurethane foam into its original components, polyol and isocyanate. The new process recovers up to 82 weight percent of the material, making it possible to reuse them as raw materials in new PUR products.
Researchers developed a faster and more precise method to separate particles in fluids, enabling quicker sorting of cells in blood samples and removal of pollutants in water. The improved technique uses specially engineered channels and high polymer concentrations to guide particles and increase accuracy.
Research published in ACS Environmental Science & Technology found that freezing can alter microplastics' sink-or-swim tendencies, with some polymers becoming larger and more buoyant after thawing. This could accelerate the accumulation of microplastics in freshwater lake or river sediments.
Research published in Nature Communications found an association between prenatal exposure to bisphenol A (BPA) and autism in boys. The study suggests that BPA may disrupt hormone-controlled male fetal brain development, leading to autism symptoms.
A new study found that microplastics impact plant reproduction, while seawater flooding causes greater tissue death in coastal plants. Combining both stressors amplifies threats to ecosystem wellbeing.
Researchers develop new method to combine thermal degradation of olive pomace and plastic waste, generating valuable products like biofuels and reducing pollution. The process is efficient, producing less energy and fewer polluting gases than separate pyrolysis.
Researchers at NC State University have developed a way to transform a single plastic structure into over 1,000 configurations using three active motors. The findings could pave the way for adaptable robotic systems that can take on multiple functions and carry loads.
A team of researchers has successfully converted Styrofoam into a high-value conducting polymer known as PEDOT:PSS, which can be used in functional electronic devices. The study demonstrates how upgraded plastic waste can be incorporated into devices such as silicon-based hybrid solar cells and organic electrochemical transistors.
A global research team has developed a way to break down plastics using lasers and 2D materials, creating a potential solution for the world's plastic problem. The process involves laying plastics on top of transition metal dichalcogenides and then lighting them up, resulting in the breakdown of molecules into their smallest parts.
A study by Norwegian researchers reveals that around 758 kilotons of plastics enter the Norwegian market every year, while only 2.4% ends up in the environment. The country's high plastic consumption rates pose a significant threat to marine ecosystems, and efforts to reduce plastic waste are crucial.
A nationwide bottle deposit program could significantly increase the rate of plastics recycling in the US, from 24% to 82%, according to MIT researchers. With the right policies in place, including sufficient demand for recycled material, PET bottles can be safely made into new products with high quality and minimal processing.
Researchers found that denser foam sponges wear down more slowly and produce fewer microplastic fibers. The study estimated that 1.55 trillion fibers from melamine sponges could be released every month.
A new study reveals that micro- and nanoplastics may boost the risk of non-communicable diseases such as cancer, diabetes, and cardiovascular disease. The tiny particles are absorbed into the human body through food, air, and other sources, potentially leading to increased inflammation and severity of these conditions.
Researchers have demonstrated that satellites can estimate the amount of litter in the sea, highlighting the importance of factors such as population density and geography. The study suggests installing specific plastic detection sensors on satellites to improve monitoring capabilities.
Researchers have developed a method to synthesize an organotin mercaptide-based thermal stabilizer from palm fatty acid distillate, offering a competitive alternative to existing PVC stabilizers. The synthesized material demonstrates superior thermal stability at lower dosages and is economically viable.
Global greenhouse cultivation has increased rapidly, with Asia accounting for 60.4% of global coverage. The practice provides opportunities for local food security and poverty alleviation, but raises environmental concerns such as water pollution and energy consumption.
A fungus living in the sea can break down polyethylene plastic when exposed to UV radiation from sunlight. The fungus Parengyodontium album can degrade particles of polyethylene, a common type of plastic found in ocean pollution.
A new study found that biodegradable teabags made from polylactic acid (PLA) can take years to break down in soil and cause harm to earthworms. The research highlights the need for clear disposal information on product packaging, as many manufacturers are not providing accurate guidance.
A European Union-funded project investigates how plastic particles and climate change contribute to the spread of antimicrobial resistance in aquatic environments. The researchers explore the formation of 'plastisphere' colonies where bacteria exchange genes responsible for antibiotic resistance.
A study suggests that reducing plastic pollution by 5% per year can stabilize the level of microplastics in surface oceans. However, even a 20% reduction may not significantly impact existing microplastics levels, which will persist in oceans beyond 2100.
The study found that Indonesians eat about 15 grams of microplastics per month, a 59-fold increase from 1990 to 2018. China and Mongolia top the list for airborne microplastic concentration, with U.S. residents inhaling about 300,000 particles per month.
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.
A UTA chemist has developed a new method to separate and recycle mixed plastics using supercritical fluid chromatography. The technique can differentiate oils created from various plastics, holding promise for improving recycling rates and reducing reliance on fossil fuels.
A recent study analyzed 53 peer-reviewed Life Cycle Assessment studies and found that conventional plastics are not always the least environmentally friendly choice. Bioplastics emerge as a viable alternative for climate change and fossil resource depletion, but other environmental impact categories show some disadvantages. The analysi...
A study published in Toxicological Sciences found significant concentrations of microplastics in both human and canine testicular tissue, with polyethylene and PVC being the most prevalent polymers. The research suggests a potential link between microplastic exposure and reduced sperm count, particularly in dogs.
Researchers at Aarhus University have developed a three-stage process to convert polyethylene (PE) into biodegradable polyester, addressing the issue of plastic waste. The method utilizes enzymes, microorganisms, and chemical processes to break down PE's strong carbon bonds.
Researchers have developed swarms of miniature robots that can capture both microplastics and bacteria from water, demonstrating a promising approach for ridding water of plastic and bacteria. The microrobotic system works by attracting particles with positively charged polymer strands, allowing the robots to decontaminate and reuse them.
A new study reveals that women make up just 13% of the American Academy of Facial Plastic and Reconstructive Surgery membership. The authors highlight the need for education, mentorship, and sponsorship to address these disparities and promote a more inclusive future for female surgeons.
A recent study by University of Technology Sydney has modelled the transfer and deposition of plastic particles in the human respiratory system. The results have identified hotspots where plastic particles can accumulate, particularly in the nasal cavity and lungs, posing a risk to respiratory health.
Researchers at the University of Washington developed a new PCB that performs on par with traditional materials and can be recycled repeatedly. The process uses a solvent to transform a type of vitrimer into a jelly-like substance, allowing solid components to be plucked out for reuse or recycling.
Researchers found that plastic food packaging contains a vast array of toxic chemicals, affecting hormone secretion and metabolism. The study identifies 11 chemical combinations that can activate G-protein-coupled receptors, potentially disrupting bodily functions.
Disposable vape sales quadrupled in the UK between 2022 and 2023, contributing to e-waste accumulation. The technology contains valuable resources like lithium, but recycling is often difficult due to lack of clear instructions. Experts call for urgent reform of disposable electronics practices to protect the environment.
Research found that chemicals present in microplastics can leach into human sweat and be absorbed through the skin, entering the bloodstream. The study used innovative 3D human skin models to demonstrate this process, revealing that up to 8% of the chemical exposed could be taken up by the skin.
A group of 350 scientists from over 60 countries call for a legally binding global treaty to prohibit the production of hazardous plastics chemicals and adopt science-based approaches. They advocate for an independent scientific body with robust conflict of interest policy and regional representation.
Researchers at the University of Nottingham have developed a new coating process that increases the functionality of 3D printed plastics by adding color and anti-fungal properties. This breakthrough enables the creation of bespoke objects with improved durability and usability, particularly in moist environments.
Volunteers collected nearly nine tonnes of marine litter from beaches across the Seychelles between 2019 and 2023. The clean-ups, led by the University of Plymouth, demonstrate the potential of citizen science to address marine pollution challenges.
Researchers have developed an active learning strategy to accelerate the synthesis of high-performance engineered biochar with enhanced CO2 uptake. The approach nearly doubled CO2 capture performance, showcasing its transformative impact.
Researchers developed a framework to measure plastic pollution emissions, estimating Toronto emitted nearly 4,000 tonnes in one year. The approach will help identify major contributors and inform strategies to reduce emissions worldwide.
High levels of plastic pollution can kill the embryos of a wide range of ocean animals, preventing healthy development in all seven tested species. This study highlights the
The new centers aim to better understand the interplay between environmental science, climate change, and human health in oceans and Great Lakes. Researchers will study microplastics, algal blooms, and their impact on seafood safety and human health.
Researchers led by Gavin Sacks found that molecular sulfur dioxide levels are key to preventing the rotten egg smell in canned wine. The team recommends maintaining low levels of SO2 and using epoxy liners to minimize hydrogen sulfide production. This could improve the aroma and lifespan of canned wines.