Articles tagged with Plastics
A research project at Friedrich Schiller University Jena aims to develop recyclable plastic materials that can be recycled and reused. The team, led by Prof. Ulrich S. Schubert, plans to study fibre-reinforced materials and nanocomposites with potential applications in aircraft, tennis rackets, and other industries.
A chemist from RUDN University created a green catalyst based on plant waste that reduces palladium consumption in cross-coupling reactions by up to half. The new catalyst is also reusable without decreasing efficiency, making it economically and environmentally friendly.
A new quantitative method assesses the effects of ingested plastics on individual and population levels in sea turtles, potentially impacting growth, reproduction, and survival. The study demonstrates a crucial step towards conservation and mitigating the negative effects of plastic waste on marine ecosystems.
Researchers at Ohio State University have discovered a novel way for bacteria to produce ethylene gas, a crucial chemical in plastics manufacturing. This breakthrough could lead to new methods for producing plastics sustainably, replacing fossil fuels.
Researchers at Osaka University have developed polymer materials that combine self-healing with strength and recyclability. The materials were produced using planetary ball-milling, a method that efficiently mixed host and guest polymers, resulting in tough, self-healable, and recyclable supramolecular materials.
A new University of Michigan study reveals that two-thirds of the plastic put into use in the US in 2017 were used for other purposes, including electronics and furniture. The overall recycling rate for plastics in the US is slightly lower than previous estimates, at 8%.
Scientists at Nagoya University found that a thin top layer of azobenzene-containing plastic film needs to be light-sensitive to induce movement. The discovery could lead to cost reductions and revolutionize the material's use in various industries.
A new study reveals that plastic waste can release harmful chemicals into the stomach oil of seabirds like northern fulmars, potentially affecting their health over extended periods. The research highlights the importance of reducing plastic pollution in our oceans and dealing with waste responsibly.
A recent study published in Nature Communications found that the mass of microplastics in the upper waters of the Atlantic Ocean is approximately 12-21 million tonnes. This figure surpasses previous estimates and suggests a substantial underestimation of plastic waste entering the ocean over the past 65 years.
Researchers detect plastic contamination in every sample analyzed using mass spectrometry, with bisphenol A found in all 47 human samples. The study provides the first array of methods for examining monomer, nano- and microplastic occurrence in human organs from individuals with a known history of environmental exposure.
A team of researchers from China has developed a sustainable, ultra-strong and transparent film made from living bacteria. The film, inspired by nacre, exhibits unique optical properties and excellent mechanical strength, making it a potential substitute for plastics in packaging and electronics.
A new study by the University of Exeter and Cefas highlights the potential risks of microplastics carrying pathogens, which could threaten food production and safety. The research found high levels of bacteria on microplastic particles, including those that can cause disease in humans and animals.
A new study found that five different types of seafood - oysters, prawns, squid, crabs, and sardines - contain plastic, with varying levels of pollution. The research used a newly developed method to identify and measure five different plastic types, revealing surprising differences in the amount of plastic present among species.
UC Riverside engineers develop a process to transform PET plastic into a nanomaterial useful for energy storage. The breakthrough reduces plastic pollution and could lower battery costs, enabling the widespread adoption of electric cars by 2040.
Researchers measured pollutants in stranded dolphins and whales to understand their impact on ocean life. The study found high levels of mercury and arsenic in some species, highlighting the need for marine mammal stranding response efforts.
The Maldives has the highest level of microplastic pollution in the world, with high concentrations found in waters around Naifaru. The study highlights the impact on marine ecosystems and local communities, emphasizing the need for improved waste management practices.
A new study by the University of Exeter and others found that surface clean-up devices will not solve the ocean plastic problem, but could be more effective when used with river barriers. The research estimates that floating plastic will peak at over 860,000 metric tonnes by 2052.
A study suggests that achieving Japan's plastic recycling targets will depend on collecting packaging waste from the food industry and households. The analysis reveals that it is possible to meet recycling targets if all feasible measures are implemented, but legislative action is hindered.
A new study suggests that plastic from used personal protective equipment (PPE) can be transformed into renewable liquid fuels, similar to standard fossil fuels. Pyrolysis is identified as a promising method of recycling PPE waste into biofuels.
Scientists at Tata Institute of Fundamental Research developed nano-sponges of solid acid that convert carbon dioxide into fuel and plastic waste into chemicals. The material exhibits strong acidity and high surface area, making it a promising catalyst for sustainable processes.
A new injection printing process developed by UMass Lowell researcher David Kazmer increases production rates and enhances part strength. The innovation combines 3D printing and injection molding, producing fully dense parts with few cracks or voids.
University of Michigan engineers have created centimeter-sized robots capable of more than ever before, leveraging origami principles to enhance their speed, agility, and control. The microbots can form complex shapes, complete tasks, and reconfigure into new shapes up to 80 times per second.
A recent study found alarming levels of human bacterial pathogens and microdebris materials, including plastics and milk supplement powders, in oysters from the eastern Andaman Sea. The research suggests that coastal urbanization increases contamination in seafood, posing significant health risks to humans and threatening global food s...
A new study models a 78% reduction in global plastic pollution by 2040 with immediate and coordinated action. However, even this best-case scenario predicts 710 million metric tons of plastic will still reach the environment.
A team of global experts predicts that plastic waste flowing into the seas each year could more than double by 2040, with 710 million tonnes expected to be discarded into the environment. Improving waste collection services is seen as the single most effective step in reducing pollution.
Chemists at MIT have developed a way to modify thermoset plastics with a chemical linker that makes them easier to break down after use, retaining mechanical strength. They successfully produced a degradable version of pDCPD and reused the powder to form new material.
A new study reveals that crop plants can absorb microplastics, contaminating edible plants and potentially entering the food chain. The research found that particles as small as 2 micrometers in size can be taken up by plant roots, raising concerns about human health and agricultural sustainability.
Researchers at University of Vermont develop nanocage tool that can select and activate specific polymer chains in a lab, opening doors to new possibilities for precision chemistry and industrial applications.
The European Research Council has announced its first ERC Public Engagement with Research Awards, recognizing three winners who made an effort to engage audiences beyond the scientific community. Prof. Anna Davies from Trinity College Dublin won for her SHARECITY project, exploring urban food-sharing practices through online and social...
Researchers created a three-layer anti-reflection surface to improve transparency and conductivity in plastic, achieving a transmittance of 88.4% compared to 88.1% for the plastic alone.
A new study investigates the impact of plastic nanoparticles on human development, finding links to eye development, cardiac malformations, and ischemia. The research highlights the need for urgent action to create regulatory measures to lessen NPs' impact on human health.
A new study found that European countries are exporting large amounts of plastic waste to Asia, where it is often not recycled and ends up in the ocean. The research estimated that between 1-7% of all exported European polyethylene ended up in the ocean, contributing to significant environmental and social impacts.
Researchers have developed a precise method for evaluating the behavior of mixtures under high pressure using X-ray scattering. The study reveals that hot hydrocarbon mixtures in ice giants can produce diamond rain, which generates an additional energy source.
Researchers develop ProtoSpray technique to create interactive displays on arbitrary shapes, breaking away from 2D rectangular casings. This innovation enables makers and hobbyists to produce objects that can display information and detect touch.
A Cornell-led collaboration turns organic matter DNA into biodegradable gels and plastics, reducing petrochemical consumption. The resulting materials can be used in various applications, including everyday plastic objects, adhesives and drug delivery systems.
The COVID-19 pandemic has led to increased demand for plastics in medical equipment and PPE production. Companies have pivoted to meet this demand, while also adapting their procedures to ensure worker safety.
Researchers at the University of Liverpool have developed new sulfur polymers that provide an environmentally friendly alternative to traditional petrochemical-based plastics. The polymers, which can be recycled easily, exhibit shape-memory effects and can be self-repaired within minutes, opening up potential applications in soft robot...
A study by NUI Galway found that wet wipes and sanitary towels are a significant source of white microplastic fibres in the marine environment, with 91% of microplastics at one location derived from these products. The lack of regulation for hygiene products has led to misleading labelling, causing environmental harm.
New study analyzes nearly 60 infographics and documents on plastic lifetimes, revealing inconsistencies in reported estimates. Researchers found varying numbers of years, from one to hundreds of years, and even a striking uniformity in fishing line degradation estimates at 600 years.
Researchers found microplastics in remote and protected areas of western US National Parks, highlighting the importance of reducing plastic pollution. Atmospheric transport plays a crucial role in distributing microplastics globally, with smaller particles traveling farther under dry conditions.
Researchers at Aarhus University are hunting for unique enzymes that can break down polyethylene, a common type of plastic. They aim to develop polymer-destructive enzymes, which could revolutionize the field and provide a solution to plastic pollution.
A study published in Scientific Reports reveals that plastic objects found in the deep sea, such as a plastic bag and curd box, show no signs of degradation after 25 years. The findings indicate that microbial communities on plastic surfaces differ from those in surrounding sediments, suggesting a potential impact on marine ecosystems.
Researchers at Utah State University found that more than 1000 tons of microplastics are deposited onto protected lands in the western US each year, equivalent to over 123 million plastic water bottles. The study's findings highlight the source, transport, and fate of plastics on Earth surfaces.
Researchers at Shinshu University have created a method to blend different types of thermoplastic materials without compromising their quality. By using a compatibilizer, they successfully melted various plastics together, paving the way for more efficient recycling and reducing plastic waste in the environment.
Researchers discovered that superworms can degrade polystyrene plastic with the aid of a specific strain of bacteria in their gut. The bacteria, Pseudomonas aeruginosa, produce an enzyme called serine hydrolase that breaks down the plastic.
A team of Rochester Institute of Technology researchers will examine how microplastics accumulate in the lake's ecosystem using mathematical modeling, field surveys, fluid dynamics, genomic sequencing and other experiments. The goal is to inform policy and mitigation strategies for combating microplastic pollution.
A UK government-funded study identifies tyre particles as a major source of microplastics in the marine environment, contaminating rivers and coastal waters. Researchers estimate that around 100 million square meters of river network and 50 million square meters of estuarine and coastal waters are at risk of contamination.
Three community-based organizations, Mee Panyar from Myanmar, Solar Freeze from Kenya, and Takataka Plastics from Uganda, have won the first Stanford Global Energy Heroes prizes. They will receive $20,000 and a trip to Stanford for the Global Energy Forum. The organizations are working on projects that reduce greenhouse gas emissions a...
Researchers predict novel helium-methane compound He3CH4, stable under high pressure, with unique phase transitions upon heating. The compound's van der Waals interactions facilitate efficient heat transport, affecting a planet's interior and surface temperature.
Researchers have created a chemical recycling process that breaks down real consumer plastics into a new product, a biodegradable solvent called methyl lactate. The method has been tested on various types of bioplastics and shown to produce high quantities of the green solvent, regardless of sample characteristics.
A new UCF study found microplastics in the digestive systems of 63 birds of prey in Florida, including hawks, ospreys, and owls. The researchers discovered nearly 1,200 pieces of plastic, mostly microfibers, which can lead to poisoning, starvation, and death.
Researchers found that mussel reefs slow sea water flowing over them, increasing turbulence and tripling the amount of ingested plastic. The study suggests natural reef structures are natural sinks for plastics, posing a problem for commercially valuable species like blue mussels.
Researchers have found microplastics in air, drinking water, and table salt, highlighting the need for better understanding of their potential hazards to human health. Microplastics can be ingested through indoor air, especially from household plastic products, and may reach the lungs and digestive system.
Texas A&M researchers have developed a way to strengthen 3D printed parts by welding adjacent layers together using plasma science and carbon nanotube technology. The new technology increases the reliability of final parts, making them comparable to injection-molded parts.
Researchers at UMBC have developed a new solution to render realistic human skin in video games. The new method uses temporal variance to lower the number of changes within each frame while maintaining a realistic depiction of subsurface scattering.
Researchers have developed a cheap and simple way to create biofuel and fertiliser from seaweed, removing plastic from the oceans and cleaning up tourist beaches in the Caribbean and Central America. The process uses acidic and basic catalysts to release sugars that can be used to feed a yeast that produces a palm oil substitute.
A team at Tokyo University of Science created a high-resolution map of 1 km grids to track plastic emissions from land to sea. Their analysis revealed that MicP concentrations and basin characteristics are significantly correlated, indicating that physical features of water bodies dictate the amount of plastic waste accumulated.
A new fluorescent technique allows researchers to visualize the aging process of polypropylene and polyethylene polymers in 3D. The method detects faster polymer aging when exposed to higher temperatures, providing insights into the degradation of polymers over time.
Researchers at the University of Washington found that only about 2% of microplastic particles in Pacific oysters can be confirmed as plastics. The team used advanced methodologies to accurately identify and catalog microplastics, revealing a lower abundance than previously thought.
The Bay of Biscay has been identified as a hotspot for marine litter, with microplastics found in over 50% of water and sediment samples. The polymers most prevalent are polypropylene, polyethylene, polyester, and polystyrene, often originating from the breaking up of larger objects.