Plastics

Additives emerge as critical frontier in plastic recycling research

From plastic waste to chemical building blocks: a sustainable path for polyethylene upcycling

Study finds multiple PFAS, the man-made ‘forever chemicals’, in 98.5% of people tested in US study

A new study found that nearly every person in the US has multiple man-made chemicals, known as PFAS, in their system. The study examined over 10,500 samples and found that 98.8% contained at least one PFAS, with many carrying multiple types.

Brain Health emergency: Microplastic burden in the human brain now linked to stroke and dementia, with apheresis emerging as the first plausible removal pathway

A study finds microplastics in the human brain associated with increased risk of stroke and dementia. Apheresis, a medical treatment, is proposed as a potential removal method for microplastics from the body.

A hemp-based thermoplastic offers a greener alternative to plastic packaging

Researchers have developed a non-toxic, stretchy hemp-derived thermoplastic that can extend up to 1,600% of its size. The material has a high glass transition temperature, making it suitable for producing transparent plastic films, coatings, and other common materials currently made from petroleum-based materials.

This ‘living plastic’ activates and self-destructs on command

A new strategy has created 'living plastics' that self-destruct on command, using activatable microbes to break down material within a week. The breakthrough could lead to the development of triggerable spores in water to tackle plastic pollution.

Turning plastic waste into clean fuel using sunlight

Researchers develop solar-powered technology to convert plastic waste into valuable fuels, including hydrogen and syngas, reducing reliance on fossil fuels and addressing pollution challenges.

Hemp waste biocomposites offer a lower-carbon alternative for packaging and agricultural films

New study finds anaerobic digestion of hemp hurd-based bioplastic systems delivers the best environmental outcome, generating up to 6.1 kg less CO2 emissions per 1 kg mulch film treated. The production process significantly affects the final carbon footprint of biocomposites.

Crab shell by-products could help regulate the marine lifetime of biodegradable plastics

Researchers find crab shell waste alters microbial communities on biodegradable plastics, reducing breakdown rate. The effect persists even without direct contact, suggesting biochemical compounds released from crab shells trigger changes in the plastisphere.

Scientists explore whether plastic particles could be linked to significant rises in liver disease

Researchers investigate whether micro- and nanoplastics contribute to liver disease through oxidative stress, fibrogenesis, and inflammation. They emphasize the need for increased research into plastic-induced liver injury and its potential impact on human health.

Study: Microbes show almost universal potential for biodegrading plastics

A new study reveals that more than 95% of prokaryotic microbe species carry genes with the potential to degrade natural or synthetic plastic polymers. The research identifies over 600,000 microbial proteins capable of breaking down plastics, with biodegradation potential strongly influenced by local ecological conditions.

How microbes survive in the plastisphere

Researchers found that microorganisms in the plastisphere have more functional genes to survive under extreme ocean conditions. They can absorb nutrients effectively and utilize alternative energy sources like anoxygenic photosynthesis.

Researchers turn recovered car battery acid and plastic waste into clean hydrogen

A new method developed by researchers at the University of Cambridge uses solar-powered acid photoreforming to break down hard-to-recycle plastics into clean hydrogen fuel and valuable industrial chemicals. This approach could create a circular system where one waste stream solves another, reducing plastic waste and pollution.

Breakthrough offers endless recycling for acrylic plastics without the environmental cost

Researchers at the University of Bath have developed a breakthrough method for chemically recycling acrylic plastics using lower temperatures and sustainable solvents. The new process delivers over 95% conversion of the plastic and yields high-quality monomers, offering a clear pathway toward genuine circularity in acrylic materials.

Plastic additives tied to millions of preterm births worldwide

A new analysis estimates that exposure to di-2-ethylhexylphthalate (DEHP) contributed to 1.97 million preterm births in 2018, equivalent to 8% of global total. The study also linked DEHP to 74,000 newborn deaths and found a significant health burden across regions with rapidly growing plastics industries.

Breakdown products from ‘eco-friendly’ plastics impede fetal development in mice

Researchers find that nanoparticles from biodegradable plastics like PLA can cross the placenta and disrupt fetal growth in pregnant mice. This raises concerns about the health effects of these plastics on human fetuses.

Registrations open for São Paulo School of Advanced Science in Microplastics

The São Paulo School of Advanced Science in Microplastics is an intensive course designed to help students tackle plastic pollution. The program covers four frameworks: inside, on, around, and regulatory aspects of microplastics.

Coastal ocean chemistry now substantially shaped by humans

A global analysis of over 2,300 seawater samples reveals human-made chemicals make up a significant portion of organic matter in coastal oceans. Industrial chemicals, including plastics and consumer products, dominate the anthropogenic chemical signal, persisting even 20 kilometers offshore.

Ocean bacteria team up to break down biodegradable plastic

Researchers discovered 30 bacterial species that break down biodegradable plastic, revealing speed and factors influencing degradation. The study highlights the importance of understanding microbial communities and plastic chemistry in plastic biodegradation.

Improperly disposed wet wipes could shed microplastics in rivers

Studies report that improperly disposed wet wipes can break down into microplastics, polluting rivers and harming aquatic life. Researchers analyzed 72 product labels, finding that only 7% clearly indicated safe disposal methods.

Hybrid ‘super foam’: tunable, lightweight and ultra-durable

Researchers at Texas A&M University and DEVCOM Army Research Laboratory developed a hybrid foam with a 3D-printed plastic skeleton, offering tunable, lightweight and ultra-durable properties. The composite combines ordinary foam with plastic struts, allowing it to absorb more energy and withstand greater forces.

Manchester researchers challenge misleading language around plastic waste solutions

A new study by Manchester researchers argues that directional terms like 'upcycling' and 'downcycling' can skew perceptions of plastic sustainability. The study suggests that a more nuanced approach is needed to evaluate the environmental impact of recycling technologies.

Microplastics discovered in prostate tumors

A new study has discovered microplastics in nine out of ten patients with prostate cancer, with higher levels found in tumor tissue than noncancerous tissue. The findings suggest that microplastic exposure may be a risk factor for prostate cancer.

Jeonbuk National University researchers explore metal oxide electrodes as a new frontier in electrochemical microplastic detection

Researchers at Jeonbuk National University have developed a new method for detecting microplastics using metal oxide electrodes, offering a rapid and sensitive solution for environmental monitoring. The technology has the potential to replace traditional spectroscopic methods with its portability, low cost, and real-time capabilities.

The Universitat Jaume I will contribute to food security with new biodegradable alternatives to current agricultural plastic products

New study reveals floods are the biggest drivers of plastic pollution in rivers

A new study by Tokyo University of Science found that floods are the biggest drivers of plastic pollution in rivers, increasing microplastic and mesoplastic concentrations by orders of magnitude. The research highlights the need to include high-flow events when assessing plastic emissions.

Unveiling the pulmonary toxicity of polystyrene nanoplastics: a hierarchical oxidative stress mechanism driving acute–subacute lung injury

Inhaled polystyrene nanoparticles induce lung injury by disrupting redox balance and triggering inflammation. Oxidative stress leads to mitochondrial dysfunction, respiration impairment, and apoptosis in lung cells.

Global plastics treaty negotiations: Success is still possible

Negotiations for a global plastics treaty stalled in August, hindering progress on addressing marine plastic pollution. Experts warn that current procedures lack prioritization and clear rules, jeopardizing efforts to tackle the crisis. The authors propose three key changes to revive talks and address the issue holistically.

Lignin nanoparticles enable recyclable paper to rival plastic packaging

Researchers develop a coating strategy using lignin nanoparticles to stabilize an oil-in-water emulsion, forming a multifunctional coating that enhances paper performance while maintaining environmental compatibility. The coated paper exhibits improved barrier properties, mechanical strength, and biodegradability.

Plastic pollution promotes hazardous water conditions, new study finds

A new study by University of California San Diego researchers found that fossil fuel plastics can amplify harmful algae blooms by killing off zooplankton, leading to an increase in algal concentrations. In contrast, biodegradable plastics had a smaller impact on zooplankton and algal communities.

New approach to plastic recycling: Worcester Polytechnic Institute Chemical Engineering researchers co-author study

Researchers at Worcester Polytechnic Institute have developed a new technology for plastic recycling that uses aqueous chemi-mechanical recycling to blend, decolorize, and purify mixed polyolefins. This approach reduces energy consumption and eliminates toxic chemicals compared to existing methods.

The hidden dangers of nanoplastics

Researchers have found that nanoplastics interact with environmental microbes, strengthening bacteria and antimicrobial-resistant pathogens. This can lead to challenges for water treatment and distribution systems. More research is needed to understand the molecular mechanisms underlying these interactions.

Engineering a low-cost alternative catalyst for producing sustainable petrochemicals

Researchers at the University of Rochester have developed a new way to harness the properties of tungsten carbide as a catalyst for producing valuable chemicals and fuels. The method, which involves carefully manipulating tungsten carbide particles at the nanoscale level, has shown promising results in reducing costs and increasing eff...

Study: Cigarette filters are an underestimated source of microplastic pollution

A recent study from the University at Buffalo has found that cigarette filters release up to two dozen microfibers upon first contact with water, posing a significant threat to wildlife and human health. The researchers estimated that over 71 million to 1.4 billion cigarette butt microfibers are released into New York waters every day.

Scientists trace microplastics in fertilizer from fields to the beach

Researchers from Tokyo Metropolitan University found that only 0.2% of used PCFs are washed into rivers, while 28% end up back on beaches near direct drainage points. The study highlights a significant 'sink' in the global circulation of plastics and sheds light on the complex transport of microplastics.

Fathers’ microplastic exposure tied to their children’s metabolic problems

A study led by UC Riverside scientists found that a father's microplastic exposure can trigger metabolic dysfunctions in his offspring, with female offspring being more susceptible. The research used mouse models and found altered sperm small non-coding RNA profiles and increased risk of diabetes in female offspring.

Nanoplastics have diet-dependent impacts on digestive system health

Research reveals that low doses of nanoplastics can alter gut and liver function, with diet playing a key role. The study found that exposure to nanoplastics disrupted fat metabolism and glucose intolerance, especially in mice on Western-style diets.

The perfect plastic? Plant-based, fully saltwater degradable, zero microplastics

Researchers at RIKEN have developed a new plant-based plastic made from cellulose that rapidly degrades in natural environments, eliminating microplastic waste. The biodegradable plastic can be adjusted in strength and flexibility with added choline chloride, providing a practical solution to ocean pollution.

Modeling microplastic accumulation under the ocean surface

A team of researchers from the Woods Hole Oceanographic Institution developed a theory for how microplastic particles accumulate in ocean eddies. They found that particles tend to accumulate in tubelike structures within circular currents, forming 'attractors' that resemble twisted, closed loops.

Five ways microplastics may harm your brain

A new study highlights five ways microplastics can trigger inflammation and damage in the brain, including immune cell activity and oxidative stress. Microplastics weaken the blood–brain barrier, causing immune cells to attack them and leading to further damage.

Pesticides and other common chemical pollutants are toxic to our ‘good’ gut bacteria

A large-scale laboratory screening identified 168 chemicals toxic to human-made gut bacteria. Washing fruit and veggies before consumption may help avoid exposure to these pollutants. Researchers developed a machine learning model to predict chemical harm, emphasizing the need for safer industrial practices.

Microplastics pose a human health risk in more ways than one

A recent study found that microplastics in the natural environment are colonized by pathogenic and antimicrobial resistant bacteria. The study's findings suggest that these microplastics can act as carriers for harmful pathogens, posing a growing risk to environmental and public health.

Microplastics hit male arteries hard

A mouse study by University of California, Riverside scientists suggests microplastic exposure may accelerate the development of atherosclerosis in males. The study found microplastics dramatically worsened plaque buildup in male mice, but not females.

Groundbreaking research identifies lethal dose of plastics for seabirds, sea turtles and marine mammals: “It’s much smaller than you might think”

A recent study by Ocean Conservancy reveals that consuming as little as three sugar cubes' worth of plastics can be fatal to seabirds, while less than one-sixth of a soccer ball's worth can kill sea turtles. Marine mammals are also vulnerable, with nearly half dying from ingesting plastics, often of varying types.

Atomic insights could boost chemical manufacturing efficiency

University of Rochester researchers developed algorithms to analyze complex chemistry in propane-to-propylene conversion. The study reveals the importance of defective metal sites and oxide phase stability in catalysts.

Toys contain worrying levels of toxic elements

Researchers analyzed 70 plastic children's products sold in Brazil and found high levels of toxic substances, with barium levels up to 15 times higher than permitted. The study highlights the need for stricter enforcement measures to protect children's health.

Bacterial spores for sustainable smart materials

Scientists from Delft University of Technology have developed living materials that can detect disease biomarkers, catalyze environmental pollutant breakdown, and function as self-healing composites. The materials are made by embedding bacterial spores in a protective barrier and can be programmed to perform specific tasks.

Can bamboo help solve the plastic pollution crisis?

Bamboo is being explored as a promising material for reducing plastic waste due to its fast growth rate, renewable nature, and extensive distribution. Despite challenges, bamboo-based products have improved performance profiles and are gaining popularity worldwide.

Like sculpting from within: New technique builds advanced materials out of basic plastics

Researchers at the University of Florida have developed a technique to create highly porous materials from everyday plastics by 'sculpting' from within. The new materials have potential applications in batteries, water filtration and high-density electronic storage.

Tiny iron minerals hold the key to breaking down plastic additives

Researchers found that iron oxyhydroxide nanominerals can catalyze the breakdown of harmful plastic additives. The study shows that mineral structure plays a crucial role in determining degradation rates.

Spent LiMn2O4 cathodes supercharge photothermal polyester recycling

Researchers developed a photothermal catalyst, Li0.51Mn2O4, to upgrade spent lithium manganate oxides and waste PET into highly efficient recyclable materials. The study achieved high conversion rates and reduced fossil resource consumption by up to 77% compared to traditional thermal catalysis.

A step closer to a sustainable method of producing ethylene

Scientists have identified an ancient enzyme called methylthio-alkane reductase (MAR) that breaks down organic sulfur compounds to create ethylene. The discovery opens the door for understanding how these enzymes work and potentially harnessing them for sustainable biofuel production.

Turning trash into treasure: Scientists transform waste plastics into high-value carbon materials

Researchers have discovered how to convert discarded plastics into valuable carbon-based materials, including graphene, nanotubes, and porous carbon. These materials show promise for use in environmental remediation, batteries, and supercapacitors.

Fishing for a better future: New process to recycle plastic waste

A new method to recycle PA-66, a type of polymer found in fishing nets and automotive parts, has been developed. The process involves introducing melamine into melted waste, resulting in a nylon material with improved properties that can be reprocessed up to three times.

Scientists discover clean and green way to recycle Teflon®

Researchers from Newcastle University and the University of Birmingham developed a low-energy, waste-free method to recycle Teflon by breaking down its strong carbon-fluorine bonds into harmless sodium fluoride. This process has significant implications for reducing environmental pollution and promoting sustainable fluorine chemistry.

A new approach to cutting marine plastic pollution

Researchers at NTNU identify main sources of plastic pollution and explore solutions that change production and consumption habits. Measures emphasizing pro-social and pro-ecological values have been found to be effective in bringing about profound changes.

Solar-powered method lights the way to a ‘de-fossilized’ chemical industry

Researchers at the University of Cambridge have developed a hybrid device that combines light-harvesting organic polymers with bacterial enzymes to convert sunlight, water and carbon dioxide into formate, a fuel that can drive further chemical transformations. The new 'semi-artificial leaf' mimics photosynthesis and avoids toxic semico...

Revolutionizing bioplastics: a microbial platform for fully bio-based long-chain polyesters

Scientists have developed an end-to-end microbial process converting renewable plant oils into sustainable polyesters comparable to petroleum-based plastics. The two-step process achieved record-setting yields and productivity, paving the way for a scalable and environmentally viable alternative to fossil fuels.

Microplastics found to change gut microbiome in first human-sample study

Researchers found microplastic exposure changes the human gut microbiome, with some shifts resembling patterns linked to diseases. Microplastic-induced changes in microbial composition may serve as a bacterial stress response, potentially affecting overall well-being.

Reimagining waste as a resource: Scientists in Saarland transform polystyrene into nylon precursors

Researchers at Saarland University have developed a process that transforms hard-to-recycle polystyrene into a sought-after feedstock for high-quality technical and high-performance polymers. This 'biological upcycling' enables the production of nylon precursors, offering a clear advantage over conventional recycling.