Articles tagged with Plastics
A study by Universitat Rovira i Virgili researchers found that up to 57% of plastics in Tarragona sea water are microscopic fibers from clothes, which come from treatment parts and can block digestive tracts. The presence of these microplastics poses a health risk due to their potential to absorb toxic heavy metals and organic molecules.
A new study published in Scientific Reports reveals that microplastic particles are common throughout Monterey Bay, from the surface to the seafloor. The research found that small ocean animals are consuming microplastic, introducing it into food webs and highlighting a growing concern for marine ecosystems.
Researchers found that eukaryotic microorganisms, such as dinoflagellates like Pfiesteria piscicida, thrive on microplastic particles, reaching densities 50 times higher than in surrounding water. This discovery highlights the potential for microplastics to transport microorganisms over long distances.
Researchers estimate that Americans consume between 74,000 to 113,000 microplastic particles annually, depending on age and sex. This analysis suggests significant exposure to microplastics through food consumption, especially bottled water versus tap water.
Researchers at Rice University have developed a cheap and clean method to handle carbon nanotubes, improving lab safety. The protocol involves proper attire, containment systems, and efficient transfer procedures, making it possible for labs to safely work with these materials on a large scale.
Researchers have discovered a method to convert plastic waste into jet fuel using activated carbon as a catalyst. The process produces high-quality fuel with minimal environmental impact, offering a promising solution to the global plastic crisis.
A new study reveals a 'threading' mechanism where linear molecules thread through ring polymers, causing shape fluctuations under fluid flow. This insight may lead to new processing methods for sustainable polymer materials.
The survey found an estimated 414 million pieces of plastic debris on the islands' beaches, including single-use consumer items like shoes and toothbrushes. The total volume dwarfs that found on Henderson Island, indicating a need for urgent action to reduce plastic production and consumption.
Researchers at Kumamoto University have developed a novel e-waste recycling method using pulsed power, which successfully separates metal from plastic in CD-ROMs. The technique uses high-voltage electrical discharges to break down materials, resulting in efficient separation and minimal environmental impact.
Researchers used machine learning to predict mechanical properties of metal organic frameworks (MOFs), which could be used for water extraction, gas storage, and hydrogen fuel cells. The results enable faster material characterization and design at the molecular scale.
Lab tests show plastic chemicals impair growth and function of ocean's most abundant photosynthetic bacteria, Prochlorococcus. Exposure to plastics alters gene expression, potentially harming entire ecosystem.
A URFU student is developing a 3D printer that can create high-temperature implants, such as polyetheretherketone, which have a density comparable to the musculoskeletal system. This innovation has the potential to reduce physical exertion in patients with endoprostheses.
Scientists at Berkeley Lab created a next-generation plastic that can be recycled endlessly without losing its properties. The new material, poly(diketoenamine), can be disassembled and reassembled from its constituent parts, allowing for the recovery of original monomers.
Researchers repurposed shrink films to make strong grippers that can encapsulate materials or be incorporated into soft robotics. The grippers were made by patterned black ink onto polystyrene sheets, which then wrapped around objects to grip them.
Researchers have created a new method of ice removal using materials designed with low interfacial toughness, reducing the amount of force required for detachment. This approach can be applied to large surfaces like wind-turbine blades and airplane wings, minimizing catastrophic failure.
A new research paper proposes an alternative technology - renewable electrosynthesis - to replace fossil fuels in the production of chemicals, plastics, clothing, and fertilizers. The process uses CO2 from the air, renewable electricity, and innovative catalysts to create carbon-neutral or even carbon-negative products.
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.
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.
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.
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.
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.
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 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 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 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 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 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 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 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.