Articles tagged with Plastics
Researchers have developed an energy-efficient method to synthesize bioplastic ingredients, overcoming a key limitation in large-scale production. The new technique uses a gold nanoparticle catalyst and achieves high conversion rates, making it more practical for commercial production of sustainable 'green products'.
Researchers at UC Santa Barbara have conducted the first global assessment of plastic's life cycle greenhouse gas emissions, finding that current strategies are insufficient to curb emissions. Recycling and replacing fossil-based energy with renewable sources offer promising solutions, but significant reductions will require unpreceden...
The study found major dioxins detected were polybrominated and mixed halogenated dibenzofurans, suggesting PBDEs as a source. High concentrations of PXDFs indicate these 'hidden' dioxins contribute substantially to e-waste-derived dioxin toxicity.
Researchers have decoded the structure of MHETase, an enzyme that breaks down PET plastics into their basic building blocks. This discovery paves the way for developing more efficient enzymes to recycle PET, a key step towards a circular economy and mitigating plastic waste.
Researchers from Chalmers University of Technology have created the world's fastest hydrogen sensor, capable of detecting extremely small amounts of hydrogen in the air in under a second. The sensor works by using an optical phenomenon called plasmon, which changes color when hydrogen levels change.
A new global initiative led by the University of Birmingham aims to better understand how plastics are transported and transformed in rivers, accumulating in river sediments. The project's first results show a complex picture with a huge diversity in types and sources of plastic in selected river estuaries.
A team at Michigan Technological University developed the Gigabot X, an industrial 3D printer that uses waste plastic particles to create large, strong prints. The printer has shown significant cost savings and high returns on investment for producing sporting goods products.
Researchers developed new plastic films that deflect or trap heat with zero energy required. The versatile materials can be used to regulate the temperature of buildings and people, and have potential applications in wearable technologies and solar cells.
A study by Canadian researchers reveals that hands play a central role in transferring organophosphate ester (OPE) flame retardants and plasticizers through the indoor environment. The study found that most chemicals were present on all surfaces, including electronic devices, floor dust, and participant's hands.
Scientists at University of Freiburg create three-dimensional hollow structures in quartz glass using Glassomer process. This breakthrough enables the production of optical waveguides and microfluidic channels, previously difficult to manufacture due to glass's chemical resistance.
New research finds that sea anemones consume tiny fragments of plastic in the ocean along with their food. Bleached anemones retain these microfibers longer than healthy ones, highlighting the impact of plastic pollution and climate change on coral reefs.
Scientists from HZDR drove shock waves through plastics to simulate planetary conditions and observed crystalline structures at extreme pressures. The discovery may require revised models of Uranus and Neptune's interiors, suggesting less free hydrogen than previously thought.
The UK's single-use plastic bag charge has led to a substantial reduction in plastic bag use, with the average frequency of use falling from 'sometimes' to 'very rarely'. The study also found that consumers are ready to support other environmental charges, including a 5p charge on plastic water bottles and increased fuel duties.
Researchers at University of Wisconsin-Madison develop engineered microbe that can efficiently convert lignin from woody plants into a valuable aromatic compound. This conversion potential transforms the use of wood waste and unlocks a new industry for producing bioplastics.
Researchers at NREL discovered a way to transform discarded plastics into high-quality composite materials, exhibiting twice the strength of petroleum-based FRPs. The process reduces energy consumption and greenhouse gas emissions, offering a promising solution for boosting recycling efforts worldwide.
A study reveals that plastics are the main component of marine litter in Spanish waters, with high densities in the Alboran Sea. The research also shows that waste accumulation has remained stable in some areas, while others have seen a decrease in density over time.
A new study found that balloons are the most lethal marine debris for seabirds, with a single piece killing 20% of seabirds and nine pieces killing 50%, while blockages or infections caused by gastrointestinal obstructions were leading causes of death
A study found that polyethylene, polypropylene, and polystyrene are the most abundant types of microplastics in Mediterranean coastal waters. The researchers identified extreme concentrations up to 500,000 microplastics per square kilometer in certain areas.
Researchers at NREL create a recycling process that upcycles PET plastic into high-value composite materials, reducing energy consumption by 57% and greenhouse gas emissions by 40%. The new material combines reclaimed PET with bio-based molecules to produce fiber-reinforced plastics.
Research finds that prenatal exposure to phthalates, widely used in personal care products, can lead to long-lasting adverse effects on motor function in children. Girls and boys exposed prenatally may experience increased motor skill deficiencies, affecting daily activities and mental health.
Researchers have discovered a squid protein that can be processed into fibers and films for applications in health monitoring, self-healing recyclable fabrics and sustainable textiles. The protein's unique properties make it an eco-friendly alternative to plastics.
Synthetic fibers from polyester and nylon release microplastics into the environment, contaminating plants and animals in oceans. Biosynthetic fibers, derived from natural proteins, can replace synthetic fibers and provide recyclable and biodegradable alternatives.
Scientists have developed a method to upcycle polyethylene from plastic bags into pure carbon, which can be used as anode material for lithium-ion batteries. The new approach creates a cost-effective and efficient way to convert plastic waste into useful energy-storing materials.
A new study found sufficient evidence to raise concerns about prenatal BPA exposure's effects on ovarian development and function. The researchers believe their findings are relevant to both fetal and women's health, particularly in relation to infertility and endocrine disrupting chemicals.
A recent study by NUS researchers found that microplastics can harbor toxic bacteria capable of causing coral bleaching and triggering wound infections in humans. The study identified over 400 types of bacteria on the plastics, including species that can degrade pollutants and others that cause harm to marine organisms.
Researchers at the University of Liverpool have developed a new process to create polymers from sulfur, which could lead to more sustainable plastics. The discovery, published in Nature Communications, uses a catalytic process that reduces reaction times and temperatures, making it more efficient and environmentally friendly.
A study found that phthalates, particularly DiNP and DEHP, can disrupt reproductive cycles and reduce fertility in female mice. The research suggests that these chemicals may impair fertility long after exposure has stopped.
Researchers create a new type of self-healing material that exhibits properties such as toughness and shape memory. The material autonomously heals under mechanical damage, including in water and aqueous acid and alkaline solutions, without the need for external energy or stimulus.
Researchers at Purdue University have developed a chemical conversion process that can transform polyolefin waste into valuable products, including polymers, naphtha, and clean fuels. The technology has the potential to boost recycling profits and reduce global plastic waste stock.
Researchers at TU Dresden develop programmable transparent organic luminescent tags that can be written, read, and erased using light. The tags use a thin layer of organic molecules that can emit light when exposed to ultraviolet radiation.
A new study reveals that microplastics have been ingested by every marine mammal examined, with synthetic fibers being the primary source. The findings suggest that while the number of particles is relatively low, more research is needed to understand the potential impacts on animal health.
A new process creates a graded index Teflon-air film that eliminates reflections, making transparent plastics nearly invisible. The technology has practical applications in solar panels, eyeglasses, and virtual/augmented-reality headsets.
Researchers have identified microplastic fibers and various contaminants in two groundwater systems in Illinois, revealing the widespread presence of microplastics in the world's drinking water supply. The study highlights the need for further research into the impact of microplastics on human health.
Researchers at UH have reported a new class of polyethylene catalyst with exceptional turnover frequency and potential for high-strength plastics in medical and other applications. The nickel-based catalyst has the potential to produce ultra-high-weight polyethylene, but further work is needed to improve its commercial viability.
Researchers have developed a method using near infrared hyperspectral imaging and chemometrics to sort different types of plastic and those with varying flame retardants. This technique enables efficient recycling of plastics, reducing the amount dumped into the environment.
Researchers found that body-painting provides protection against bloodsucking insects, with white stripes repelling them more effectively. The discovery is based on experiments using plastic models and may have ancient origins, as similar markings were found on Neanderthal cave walls.
A recent study by Anglia Ruskin University found that many women are shocked to discover the amount of plastic in commonly-used disposable menstrual products. The research suggests that raising awareness is key to changing behavior and encouraging the adoption of more sustainable alternatives, such as organic pads and reusable cloth pads.
Researchers discovered that adding fertilizers to ridges and combining with plastic mulching increases yield by 9.7% and reduces nitrogen loss by 72.5%. The study highlights the importance of targeted fertilizer application to optimize nitrogen consumption and reduce environmental impact.
Researchers have found microplastics in lakes, rivers, food supplies, and beverages, raising concerns about their impact on human health. Dr. Natalia Ivleva's work focuses on analyzing and quantifying microplastic particles using advanced spectroscopic methods.
A Tel Aviv University study has discovered the presence of microplastics and plastic additives in solitary ascidians along Israel's coastline. The research highlights the significant impact of human activities on marine life, with findings suggesting that these pollutants are present even in protected beaches.
A two-year study by researchers at the Dauphin Island Sea Lab found that ten times more trash washes up on the coast of Texas than any other Gulf state. The majority of the trash was plastic, with most occurring during spring and summer months.
A new study from Lund University investigates the degradation of plastic waste, finding that it can break down into nanoplastics under mechanical stress. The researchers warn that this could lead to adverse consequences for animals and humans, as nanoplastic particles are extremely small and can be ingested by living organisms.
A new study estimates that 2025 million takeaway containers are used annually in the European Union, generating equivalent greenhouse gas emissions of 55,000 cars. Reusable Tupperware containers can reduce carbon footprint when reused over 18 times, while styrofoam has a lower life cycle environmental impact despite being non-recyclable.
A team from Osaka University used simulations to connect annealing with mechanical response to strain in glasses. They found that glasses exhibit four basic trends under different strains, including perfect elasticity, partial plasticity, yielding, and jamming.
A study published in Geriatrics found that 3D-printed adaptive aids for arthritis patients can offer significant cost savings, with some items costing as little as 45 cents. The customized designs can also improve the quality of life for these individuals, enabling them to perform daily tasks independently.
A University of Bonn study suggests that bioplastics may not be as environmentally friendly as thought, as increased production could lead to land use changes and greenhouse gas emissions. The researchers found that even with a tax on conventional plastics, the benefits are temporary and offset by negative economic effects.
Researchers at Purdue University have created a new organic plastic material that can reliably conduct electricity in up to 220 degrees Celsius, stable across a wide temperature range. This breakthrough technology has the potential to improve applications such as sensors and solar cells in extreme temperatures.
Researchers at the University of Toronto discovered that cell phone levels of toxic chemicals correlate with those on hands and in urine, suggesting handheld devices as time-integrated samplers for chemical exposure. The study highlights the need to reduce use of handheld devices, especially by children.
A recent study has revealed that all seven species of sea turtles have ingested microplastics, with over 800 synthetic particles detected in just 102 turtles. The study's findings highlight the widespread presence of microplastics in marine ecosystems and raise concerns about their potential impact on turtle health.
Researchers from Singapore University of Technology and Design have engineered a new inexpensive nanomaterial with exceptional performance in visible and infrared light interaction. The material can be used to improve solar cells and optically detect minute traces of biomolecules, offering potential industrial relevance.
A groundbreaking study found that billions of nanoplastics can accumulate in the bodies of marine organisms like great scallops within just six hours. The research, led by the University of Plymouth, showed that even smaller particles measuring 20nm had become dispersed throughout the body's organs.
Researchers found that conservation tillage combined with straw mulch improves soil moisture, seedling emergence rates, and marketable yield. Straw mulch proved to be the most effective option for increasing potato tuber yield, leading to a 14.9% increase in yields compared to conventional tillage.
A WSU researcher has modeled microplastic fiber movement through the environment, shedding light on their environmental impact. The study found that fibers' length and water speed determine settlement or continued movement.
Researchers at Utah State University have found that creating cavities in the water's surface can significantly reduce the initial impact force of objects entering a body of water. This phenomenon, known as 'free surface preparation,' has been tested with spheres and resulted in a 40-60% reduction in impact force. The study has potenti...
Researchers create catalysts that can efficiently turn carbon dioxide into carbon building blocks, used to make plastics, fabrics, resins, and pharmaceuticals. The breakthrough could lead to the commercial production of valuable products and raw materials in the chemical industry.
For the first time, researchers have found plastic microfibers in the stool of wild South American fur seals on Guafo Island. The discovery suggests that scat analysis could be an efficient way to monitor environmental levels of microfibers and microplastics.
Researchers at UC Santa Cruz have developed nonmigratory plasticizers that attach to PVC polymer via a chemical bond, reducing leaching and potential health risks. The 'tadpole' plasticizer is particularly promising due to its ease of production and effectiveness.
Researchers at NIST have developed a novel metal-organic framework (MOF) that can separate ethylene from a mixture of hydrocarbons using far less energy than traditional methods. This breakthrough could reduce the environmental cost of plastic manufacturing and make it more sustainable.
A study identifies marine aggregates as key to removing microplastics from the ocean surface and facilitating their transfer to food webs. Mussels were found to selectively ingest smaller particles with specific shapes, highlighting their picky eating habits.
A global study found microplastics in every single stool sample from eight countries, with up to nine different types identified. The presence of microplastics may affect human health through bioaccumulation and transmission of toxic chemicals.