Articles tagged with Plastics
TUS researchers develop novel method to create multi-walled CNT wiring on plastic films under ambient conditions, enabling flexible devices and energy conversion devices. The proposed method produces high-quality wires with varying resistance values.
Researchers propose a novel approach to analyzing microplastic particles, highlighting the importance of particle size and shape in determining environmental impact. Studies show that even samples with similar numbers of particles can have varying levels of plastic pollution based on mass, volume, and specific surface area.
Researchers have developed a novel process that converts plastic waste into liquid gasoline-like fuel at low temperatures, eliminating unwanted byproducts. The innovative method uses alkylation catalysts and combines cracking and reaction steps in a single vessel, making it more efficient and cost-effective.
Researchers have developed a method to transform lignin, a biopolymer found in biomass, into chemically recyclable plastics using light. This breakthrough could advance the circular plastic economy by producing next-generation materials with reduced waste.
A new zirconia-based catalyst can break down polyolefin plastics into new, useful products, reducing plastic waste and recovering value. The catalyst is made of earth-abundant materials and demonstrates high selectivity and activity.
Scientists at Rice University have developed a new technique using the 'flash Joule' method to transform plastic waste into high-value carbon nanotubes and hybrid nanomaterials. This process is more energy-efficient and environmentally friendly than traditional methods, making it a promising solution for recycling plastic waste.
A team of A*STAR scientists has successfully upcycled waste polyethylene terephthalate (PET) plastic into polymer electrolytes, key components for safer lithium-ion batteries. The study achieved room temperature conductivity comparable to existing commercial systems and showed promising performance in repeatedly charged and discharged ...
Citizen science project in Arctic reveals 1/3 of plastic debris comes from Europe, with significant contributions from Germany. The findings underscore the urgent need for improved local waste management and reduced global plastic production to tackle pollution in remote ecosystems like the Arctic.
A Chinese research team has successfully synthesized a stable polymer with a nickel backbone that exhibits conductive, thermally stable and interesting optoelectronic properties. The new material can be processed in solution and demonstrates strong length-dependent light absorption with narrow band gaps.
Researchers decipher metabolic mechanisms of Comamonas testosteroni to digest complex carbons, enabling potential for biotechnology platforms that recycle plastic waste. The study reveals a novel approach to upcycle plastic waste into industrially relevant polymers.
Researchers at KAUST have developed a sustainable method for creating high-performance porous membranes from plastic waste, using bio-based solvents to dissolve polyolefins. This process reduces the environmental footprint of industrial separations and creates access to fresh water.
A £5.4 million project, backed by Innovate UK, aims to develop a new value chain to convert industrial waste gases into sustainable materials for consumer products. The consortium, including Unilever and BASF, will seek to demonstrate how the UK can cut 15-20 million tonnes of carbon dioxide emissions per year.
A new report by the University of Portsmouth found that UK coastal city residents face infrastructure challenges and accessibility barriers when trying to reduce their single-use plastic waste. Despite being concerned about plastic use, consumer behavior often contradicts these beliefs.
Researchers developed a new photo-oxidation method to efficiently synthesize pharmaceutical intermediates and polyurethane from perchloroethylene, a common dry cleaning solvent. The method yields high-quality compounds with minimal environmental impact, offering a promising alternative for sustainable chemical recycling.
Two UMass Lowell researchers, Meg Sobkowicz-Kline and Akshay Kokil, have received $1 million in grants to redirect plastic waste and develop a sustainable circular economy. Their projects focus on improving plastic film packaging recycling and creating a future workforce for plastics, aiming to increase recycling rates and reduce waste.
A UC Riverside study found that fathers exposed to chemicals in plastics can affect the metabolic health of their offspring for two generations. Paternal DCHP exposure led to high insulin resistance and impaired insulin signaling in F1 offspring, while F2 offspring showed weaker effects.
A new study in the Journal of Dairy Science confirms that milk packaging affects taste, with paperboard cartons and plastic bags imparting off-flavors and compounds to milk. Glass containers remain an ideal choice for preserving freshness, while plastic containers provide additional benefits.
Scientists at PNNL have created a new system that efficiently captures CO2 and converts it into methanol, reducing emissions and establishing a market for CO2-containing materials. The technology could help stimulate the development of other carbon capture technologies and promote a more circular economy.
A new computational system detects 966 waste sites in Southeast Asia, nearly three times the number of publicly recorded sites, highlighting the need for better waste management policies. The system also reveals that 20% of detected sites are found near waterways, spilling into rivers and eventually reaching oceans.
A new modelling study reveals that most plastic debris on Seychelles beaches originates from distant sources, not the islands themselves. The study provides quantitative estimates of the sources of plastic debris for the Seychelles and other remote islands in the western Indian Ocean.
Researchers investigated micro-sized polyethylene's toxicity on human colorectal cancer cells, finding decreased cell viability and increased reactive oxygen species production. Exposure to high doses caused cell death and oxidative stress responses.
A new framework identifies barriers and context-specific measures for plastic use and disposal, guiding policymakers in selecting effective intervention measures. The framework has been tested in Kyoto City, revealing potential desirable behavioral changes, critical barriers, and corresponding intervention measures.
Using genetically modified Aspergillus fungi, researchers have successfully converted polyethylene plastics into pharmacologically active compounds. The process breaks down the plastics quickly and efficiently, producing commercially viable yields of asperbenzaldehyde, citreoviridin, and mutilin.
Researchers at NREL developed a framework to compare the performance of various plastics recycling technologies. They examined technical metrics such as material quality and retention, as well as environmental metrics including energy use and greenhouse gas emissions.
Researchers found that hand washing can drastically cut the amount of fibers shed compared to using a machine, offering guidance for greener laundering methods. The study aims to clarify sources of microplastic pollution in the environment and promote more sustainable textile care practices.
Experiments show that UV light from the sun breaks down plastics on the ocean surface, turning them into smaller, invisible nanoplastic particles. This process could account for a substantial amount of the 'Missing Plastic Paradox', where plastic waste in the ocean is only a fraction of what has been littered.
A new UW-led report emphasizes the unequal burden of marine plastic pollution on different communities, particularly in developing countries. The study calls for a more equitable approach to address the issue, focusing on plastics production rather than waste management.
A team from the University of Cambridge has created a solar-powered reactor that can transform two waste streams, CO2 and plastics, into valuable products. The system produces syngas for sustainable liquid fuels and glycolic acid for the cosmetics industry, offering a promising step towards a circular economy.
Researchers at University of California, Riverside, have developed a method to convert plastic waste into highly porous charcoal that captures carbon and improves soil water retention. The char can also act as a natural fertilizer, but further work is needed to substantiate its utility in agriculture.
A new open-access Raman spectral library enables scientists to detect molecular 'fingerprints' of particles and better trace sources of ocean plastic pollution. The database adds 42 polymer types, including those from non-plastic particles, to improve accuracy.
A study found nearly one-fourth of breast cancer patients experience reconstructive burnout, characterized by incomplete or abandoned breast reconstruction. Risk factors include radiation therapy, higher body mass index, and tissue expander complications.
Researchers found that microplastic mass sequestered in seafloor sediments mimics global plastic production from 1965 to 2016. The study revealed a tripling of microplastics deposited on the seafloor since 2000, with accumulation rates mirroring global use of plastics.
A new recycling process has been developed to convert Nylon-6 into ε-Caprolactam with over 95% selectivity and 90% yield, eliminating the need for solvents or toxic chemicals. This breakthrough offers a promising solution for managing plastic waste.
A study found that story-writing activity increased children's knowledge on marine plastic litter and promoted proactive behaviors. Children mostly focused on preventing the problem from worsening, with solutions including adequate disposal and recycling.
Researchers found that sea urchin larvae exposed to high levels of plastic pollution developed significant developmental abnormalities, including malformation of the skeleton and immune cells. The study reveals how newly made PVC pellets and beach-collected fragments cause harm to the embryos.
Researchers at UIC have created an integrated system that captures carbon dioxide from flue gas and converts it to high-purity ethylene, achieving net-negative carbon emissions. The system's modular design allows for easy scaling up and down, making it a potential breakthrough in sustainable ethylene production.
The study investigates the anisotropy dependence of damage evolution and material removal behaviors in ultra-precision machining of MgF2 single crystals. The research team developed a stress field model, revealing that plastic deformation and cleavage fracture mechanisms were activated depending on the crystal orientation.
Researchers calculated 74 metric tonnes of microplastics drop onto Auckland annually, equivalent to over 3 million plastic bottles. The smallest particles are highly toxic and can enter cells, cross the blood-brain barrier, and accumulate in organs.
Researchers discovered that microplastics can transform chromium metal into a more toxic form when attached to UV filters, potentially harming aquatic life. The study suggests that microplastics may not just accumulate contaminants, but also interact with them to increase environmental toxicity.
Researchers found that glutaminase inhibitor BPTES selectively eliminates senescent dermal fibroblasts, improving skin aging phenotype by increasing collagen density and cell proliferation. The study suggests BPTES as a potential therapeutic agent for skin aging, offering new treatment options.
A new study reveals that microfibers in the Mediterranean Sea are home to over 2,600 bacterial species, including Vibrio parahaemolyticus, a potentially deadly bacterium. The presence of these bacteria poses a significant threat to human health and aquatic ecosystems.
A recent analysis by Duke University researchers found that most top companies have made voluntary commitments to reduce plastic pollution, but few prioritize reducing virgin plastic use. The study suggests that these efforts focus on downstream waste-reduction strategies such as lightweighting, rather than addressing the root cause of...
New study reveals plastic additives selectively harm corals' reproductive processes, development, and settlement, affecting ecosystem balance. Researchers found alarming effects of environmental concentrations on various organisms, highlighting the urgent need for better risk assessments.
The scientists emphasize the need for urgent course correction due to inconsistent chemical frameworks. They highlight the importance of comprehensive chemical regulation from production stages to product use and disposal.
A new peer-reviewed article highlights the diversity and complexity of chemicals in plastics, which could severely undermine the global plastics treaty's effectiveness. The study identifies over 10,000 chemical substances used in plastic production, leading to varied chemical compositions among different manufacturers.
Research reveals microplastic fibres in all samples, with majority found in Antarctic air, indicating animals breathe them. Antarctic sea ice also traps microplastics, acting as a temporary sink for global plastic pollution.
A new study published in Marine Pollution Bulletin found significantly higher levels of polyethylene, polypropylene, acrylic, and polyamide in the North Atlantic gyre compared to other offshore locations. Inshore areas exhibited a diverse range of polymers, possibly influenced by proximity to various plastic sources.
A new study highlights the complexity of chemicals in plastics, which could undermine the effectiveness of a global plastics treaty. The diversity of chemicals in plastics poses challenges to recycling and waste management, making it difficult to ensure the integrity and safety of products over extended lifetimes.
A recent study identifies over 10,000 chemical substances used in plastic production, highlighting the complexity of plastics and their negative impacts on human and ecosystem health. The diversity of chemicals makes it difficult to achieve standardized plastic formulations, posing challenges to recycling and pollution solutions.
A transdisciplinary team of QUT researchers has proposed a multi-pronged approach to tackle plastic pollution, combining DNA-like encoding of plastics with international law. The technology aims to trace plastic waste back to its source, enabling the identification of polluters and eventual phasing out of plastics.
A study found widespread occurrence of microplastics in Monterey Bay water and in the digestive tracts of anchovies and common murres. The researchers discovered that almost a quarter of the examined murres had particles exhibiting estrogenic activity, potentially disrupting hormone functions.
Leading global plastics experts call for an ambitious 0% new plastic waste target by 2040 to tackle plastic pollution and climate change. The University of Portsmouth's Global Plastics Policy Centre recommends a coordinated global strategy, clear metrics, and harmonized national policies to achieve this goal.
A UK-wide study found that 60% of home-compostable plastics do not fully disintegrate in home compost bins, ending up in soil. The study highlights the need to revise and redesign sustainable plastic waste management systems.
Researchers developed a 'clean-label' method to minimize spoilage problems in fresh pasta, adding 30 days to its shelf life. The technique uses modified atmosphere packaging and bioprotective probiotic cultures to control microbial growth.
A Tel Aviv University study reveals that the Israeli shoreline is contaminated with more than two million tons of microplastics, with Tel Aviv and Hadera beaches being the most polluted. The researchers warn that exposure to microplastic waste is unavoidable and poses a risk to human health.
Researchers at KTH Royal Institute of Technology have developed a new kind of wood-based degradable plastic with semi-structural strength, enabling the replacement of fossil-based materials in home construction and furnishing. The material can be broken down without harming the environment, allowing for recycling and reuse of fibers.
Researchers at ITQB NOVA extract bactericidal mixtures from tomato peels using a fast, simple, and sustainable process. The extracts show effectiveness against pathogenic bacteria, including Staphylococcus aureus and Escherichia coli. This breakthrough has the potential to provide antimicrobial properties to biomaterials.
Researchers at UT Austin developed a semicrystalline polymer that combines strength and flexibility, overcoming challenges of mixed materials in robotics and electronics. The new material is 10 times as tough as natural rubber and can be controlled with light.
A proposed U.S. menthol ban could significantly reduce plastic pollution and toxic chemical leaching into soil and water supplies. The ban is estimated to cut littering by 3.8 billion cigarette butts annually, saving approximately 1.7 million pounds of waste.
A new study evaluated the performance of a Seabin device in Plymouth, UK, finding it captured only 0.18kg of litter over 750 hours of operation. In contrast, manual trawls collected significantly more litter with minimal harm to marine life.