Articles tagged with Plastics
Researchers investigate how nanoplastics pass from mothers to their offspring, affecting survival and reproductive capacities in Daphnia magna. They also explore gene expression changes and the impact of bioplastics on the environment.
A University of Delaware-led research team has developed a new type of catalyst that enhances conversion of plastic waste into liquid fuels more quickly and with fewer undesired byproducts. The catalyst achieves reaction rates nearly two times faster than those previously reported, producing targeted production of liquid fuels while mi...
A review of hundreds of studies found a link between childhood plastic exposure and long-term health concerns like heart disease, obesity, and asthma. Parents can take simple steps to limit their children's plastic exposure, such as replacing plastic containers with glass or stainless steel.
Brazilian researchers analyzed over 60 scientific articles on microplastics and their impact on bone health. They found that the materials can impair bone marrow stem cells, accelerate cell aging, and promote inflammation, leading to potential bone weakening and fractures.
Researchers have found that plastic nanoparticles can enter crops during growth, accumulating in edible parts and potentially affecting human health. The study used radishes to demonstrate the uptake of nanoplastics by plants, with nearly 5% of particles retained by the root system.
Researchers from Trinity College Dublin discovered that nanoplastics can interfere with brain energy production by disrupting the electron transport chain in mitochondria. This finding may have implications for understanding neurodegenerative diseases and learning/memory issues.
A new review highlights three pathways through which roots absorb micro- and nanoplastics, with leaves also taking up microplastics deposited from the atmosphere. This can lead to plant toxicity, altered soil microbial communities, and transfer through food webs.
Researchers at the University of Copenhagen have developed a method to convert plastic waste into a climate solution for efficient and sustainable CO2 capture. The new material, BAETA, can absorb CO2 out of the atmosphere efficiently compared to existing carbon capture technologies.
Researchers have developed a living sensor that attaches to plastic and produces green fluorescence, detecting environmentally relevant levels of microplastics in real-world water samples. The biosensor uses a genetically engineered bacterium to activate when bacterial cells contact plastic, producing measurable fluorescence within hours.
A new catalyst breaks down polyolefin plastics into liquid oils and waxes, which can be upcycled into higher-value products. This process bypasses the labor-intensive step of pre-sorting mixed plastic waste, making recycling more efficient and practical.
Researchers from Edith Cowan University have developed a method to incorporate waste plastics into pavement material, offering a dual benefit of improving road strength and reducing plastic pollution. The study highlights the potential for repurposing household plastics to create more sustainable and resilient roads.
Researchers develop a novel process to convert polyethylene and polypropylene into valuable olefins, producing fewer unwanted byproducts. The method uses inexpensive base-metal catalysts, operates under mild conditions, and achieves high yields of propylene and isobutylene.
A survey of scientific literature on micro- and nanoplastics in human health identifies key challenges and proposes best practices for analysis, including digestion treatments and shape considerations. The study aims to improve our understanding of plastics' impact on human bodies.
Researchers at Texas A&M University have developed a smart plastic that can self-heal and adapt to extreme conditions, making it ideal for aerospace and automotive applications. The material's unique properties allow it to restore its shape after deformation, improve vehicle safety, and reduce environmental waste.
A new photothermal catalyst made from recycled EV battery materials boosts the efficiency of plastic upcycling, converting polyester into valuable monomers. The process demonstrates significant improvements in conversion rates and reduced energy costs compared to traditional methods.
The Lancet Countdown on Health and Plastics monitors the effects of plastic pollution on human health, citing $1.5 trillion in annual economic losses. Researchers track the life cycle of plastics to identify key drivers of harm, including production, use, and disposal.
A new project aims to track the health impacts of plastics and monitor progress in reducing their effects on human health. The Lancet Countdown on Health and Plastics will identify and document indicators that highlight the risks associated with plastic production, use, and disposal.
A coalition of independent scientists is supporting a global plastics treaty to protect human health and the environment from plastic pollution. The scientists' coalition emphasizes the need for essential use, transparency, safety and sustainability criteria for plastics.
Researchers found surprisingly high concentrations of small-diameter microplastics in air samples from their homes and cars, estimating adults inhale 68,000 particles per day. The study suggests health risks due to inhalation of lung-penetrating microplastics may be higher than previously thought.
The UN aims to establish an internationally legally binding framework to manage plastic, reducing waste, and promoting recycling. The agreement is intended to address the global issue of plastic pollution, which affects marine wildlife and human health.
Researchers discovered that ultrasonic vibration treatment can reverse aging-induced property deterioration in metallic glasses, significantly improving their capacity to deform without breaking. This innovative technique offers a low-cost alternative to traditional rejuvenation methods, enabling fast and damage-free recovery of aged MGs.
Researchers at National Institutes for Quantum Science and Technology developed a technique to decompose polytetrafluoroethylene (PTFE) into gaseous products using electron beam irradiation. This process reduces energy required by 50% compared to traditional methods, making large-scale recycling of fluoropolymers more viable.
Researchers created a new type of cellulose-based plastic that displays structural color without dyes or pigments. The plastic is comparable in strength to traditional plastics but made from natural biodegradable ingredients, and it can be easily recycled using water.
Over 60 academic experts urge global plastics treaty to include human health impacts, toxic chemical regulation, and production caps. The briefing event, hosted by Cambridge University Press, offers clear evidence-based recommendations for a legally binding treaty.
Researchers have demonstrated that LAHB, a microbial lactate-based polyester, breaks down in deep-sea environments, while conventional plastics persist. The biodegradable plastic lost over 80% of its mass after 13 months underwater, making it a promising option for reducing marine plastic waste.
ADLM 2025 will tackle urgent topics like clinical AI integration and fake medical news, as well as leveraging genomics for personalized healthcare. The meeting also explores the health threat of plastics and microbiome medicine to combat diseases.
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.
A recent study published in Nature reveals that over 16,000 chemicals are present in plastics, with at least 4,200 posing health and environmental hazards. The research outlines three key strategies for making plastics safer: removing hazardous chemicals, increasing transparency, and designing simpler chemically assessed plastics.
Researchers found that sewage spills from land to sea coincided with winds of at least 6.5m/s on 178 days within a two-year period, potentially sending microplastics into the air. The study suggests that coastal towns and cities may be exposed to billions of airborne microplastic particles.
Researchers estimate 27 million tons of nanoplastics in North Atlantic Ocean, shedding light on the 'paradox of missing plastic'. The discovery highlights the significant amount of plastic debris that has been underestimated and raises concerns about its impact on marine ecosystems.
Health experts urge the UN to strengthen the treaty's focus on ending plastic production and reducing toxic chemicals. The World Health Organization estimates that one-quarter of global deaths are linked to environmental harm, including chemicals, pollution, and waste.
Researchers detected nanoplastic particles smaller than 1 µm in all depths analysed across the 12 measurement sites, with PET, PS, and PVC being the most common types. The study estimates around 27 million tonnes of nanoplastic are stored in the uppermost water layer of the North Atlantic.
A new study published in Nature provides a comprehensive overview of all chemicals that can be present in plastics, their properties, uses, and hazards. The study identified 4,200 plastic chemicals as of concern due to health and environmental hazards.
A new research article analyzes 103 scientific studies on microplastics and nanoplastics from food packaging, revealing that normal use of FCAs is a source of MNPs in food. The study highlights the need for harmonized testing and reporting framework to inform policy decisions.
A new study found that recycled polyethylene plastic can leach chemicals into water, causing impacts on zebrafish larvae's hormone systems and lipid metabolism. The researchers highlight the need to address toxic chemicals in plastics across their life cycle.
A recent study led by WVU student Isabella Tuzzio found microplastics in every fish sampled from seven central Appalachian streams. The researchers discovered significant environmental risks and potential human health hazards due to the accumulation of microplastics in the food chain.
Researchers explore strategies for converting plastics into valuable chemicals through photocatalysis, highlighting indirect conversions of PET, PLA, and PE, as well as direct conversions of PE, PLA, and PVC. The review also discusses challenges and future outlooks for this clean energy source.
The use of plastics in agriculture and food production has grown significantly, with 20% of all plastics used in France in 2023. Plastics are used to package, transport, and preserve food products, but their composition is often complex and diverse.
A new animal study suggests that microscopic plastic particles found in food and beverages may affect glucose metabolism and harm organs such as the liver. Researchers observed dose-correlated changes in mice consuming polystyrene nanoparticles, including systemic glucose intolerance and elevated alanine aminotransferase.
Research highlights potential link between microplastics in ultra-processed foods and brain health, with possible connections to depression and dementia. The studies propose a novel hypothesis connecting ultra-processed food consumption, microplastic exposure, and mental health outcomes.
Researchers found that nanoplastics with positively charged surfaces caused physiological stress in E. coli O157:H7, leading to increased Shiga-like toxin production. The bacteria's ability to colonize and multiply was also impaired.
Researchers have developed a novel metal-free catalytic approach for upcycling polyethylene terephthalate (PET) waste into valuable products like dimethyl terephthalate (DMT) and ethylene carbonate (EC). The method achieves impressive yields under mild conditions, showcasing its potential for large-scale industrial implementation.
Researchers found microplastics in Texas bay sediments, but most have been swept out to sea, not settling at the bottom. The study suggests microplastics can absorb chemicals and build up in marine life, eventually affecting humans.
Researchers have developed plant-based extracts from okra and fenugreek that can attract and remove up to 90% of microplastics from ocean and freshwater waters. These natural polymers offer a nontoxic alternative to synthetic polymers like polyacrylamide.
A new analysis of population surveys estimates that exposure to di-2-ethylhexyl phthalate (DEHP) contributed to 356,238 global heart disease deaths in 2018, accounting for 13% of all global mortality. The study also found higher death risks in the Middle East, South Asia, East Asia, and Pacific regions.
Researchers discovered that stream discharge, benthic algae presence, and substrate characteristics increase microplastic retention. High levels of algae and larger stream substrates trap microplastics, while rapid discharge events resuspend them.
A recent study reveals that only 9.5% of plastic materials produced globally in 2022 were made from recycled materials, with the majority coming from fossil fuels. The study also highlights a significant increase in plastic waste disposal by incineration and regional differences in plastic consumption.
Researchers at KAIST have successfully developed an eco-friendly, bio-based plastic that combines the advantages of PET and nylon. The new material was produced through microbial fermentation and exhibited characteristics similar to high-density polyethylene, making it strong and durable enough for industrial use.
Researchers found that chewing gum can release hundreds to thousands of microplastics per piece into saliva, potentially leading to ingestion. Synthetic and natural gums had similar amounts of microplastics released, with the most abundant polymers being polyolefins.
A study of over 97 citizen scientists found that coastal areas have significantly more litter than inland locations, with urban areas consistently exhibiting more litter than rural areas. The research highlights the need for tailored waste management strategies to address regional differences in litter patterns.
Countries are urged to update their National Determined Contribution plans to address plastic waste and reduce greenhouse gas emissions. The team suggests specific goals, such as cutting plastic production and incentivizing sustainable manufacturing.
Researchers have discovered alarming levels of microplastics in human brain tissue, with concentrations 3-5 times higher in individuals with dementia diagnoses. The study highlights the need for large-scale human studies to determine dose-response relationships between microplastic exposure and chronic health outcomes.
Researchers are calling for a reduction in toxic chemicals used in plastics manufacturing and a complete ban of hazardous chemicals. The study highlights the need for improved reporting, transparency, and regulation of chemicals throughout the plastics life cycle.
Research by University of Missouri researchers uncovers microplastic pollution generated by polymer-coated fertilizers, threatening human and animal health. The study suggests biodegradable alternatives and effective stormwater management to mitigate the risks associated with PC-CRFs.
Researchers at Worcester Polytechnic Institute are developing a lightweight, flexible robotic arm that enables wheelchair users to safely grasp and carry objects out of reach. The project builds on origami-inspired designs and novel fabrication methods for modules made of lightweight plastics, 3D printed components, and sensors.
Researchers detect nanoplastic particles on glaciers in France, Italy, and Switzerland, suggesting sea pollution as the source. The concentrations of nanoplastics varied between locations, with wind direction affecting their accumulation.
Researchers discovered that many marine fungi isolated from Hawai'i's nearshore environment have the ability to degrade plastic. The team then conditioned these fungi to consume polyurethane and other types of plastics more efficiently. By studying their adaptability, scientists hope to develop new solutions for cleaning up oceans.
Researchers have developed a novel solid catalyst to efficiently reclaim materials from epoxy products, including carbon fibers and glass fibers. The process uses lower temperatures than traditional methods, reducing energy requirements and making the recovery of materials more environmentally friendly.
A £1 million grant-funded project aims to advance production of next-generation, paper-based packaging for liquids. Researchers will develop novel coating processes, mechanistic modelling, computer vision, and AI to create 'dry' spray coatings that are food-safe, degradable, and environmentally friendly.
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.