Articles tagged with Plastics
A team of Penn State researchers has developed a thermoplastic material from squid protein, which can be used in 3D printing and has tunable properties for medical or cosmetic applications. The semi-crystalline thermoplastic exhibits high tensile strength and is a wet adhesive.
A study published in PLOS ONE estimates that nearly 269,000 tons of plastic pollution are floating in the world's oceans, with an additional 5 trillion microplastic particles present. This research was conducted over six years across five sub-tropical gyres and coastal regions.
A team of University of Michigan researchers has created a novel plastic blend that conducts heat exceptionally well, up to 10 times better than traditional plastics. This breakthrough could lead to the development of light, versatile materials for electronics and vehicles.
Scientists at KU Leuven successfully converted cellulose in sawdust into hydrocarbon chains, which can be used as an additive in gasoline or component in plastics. The conversion process is a new type of bio-refining and has potential economic benefits, offering an alternative to traditional fossil fuels.
Researchers identify genes and networks that enable tiny Atlantic killifish to alter their body form in response to environmental changes, providing insight into phenotypic plasticity. The study's findings have substantial implications for understanding molecular evolution and its applications in climate change, medicine, and regenerat...
Researchers have found that premature infants are exposed to unsafe levels of di(2-ethylhexyl)phthalate (DEHP), a chemical used in many plastic devices. The study suggests that this exposure may contribute to illness and long-term health problems.
Researchers found that bald and golden eagles in North America have dangerously high levels of polybrominated diphenyl ethers (PBDEs) in their livers, with concentrations highest near urban areas. The study suggests a range of exposure to these toxic chemicals, with more research needed to understand trends and accumulation patterns.
Researchers develop minimally invasive method to detect plastics exposure in seabirds using gland oil samples and gas chromatography-mass spectrometry. This technique can inform policy makers and citizens about the impacts of plastic litter at a global scale.
A study examining prenatal phthalate exposure found a significant association between DiNP metabolites and shorter anogenital distance in Swedish boys at age 21 months. This link raises concern about the safety of recent phthalate substitutions, particularly for male reproductive health.
A novel procedure using MRI and catheterization techniques eliminated bronchial casts causing respiratory distress in a child with heart disease. The treatment offers new hope for patients with plastic bronchitis, a rare but often fatal complication of pediatric surgery.
Researchers have developed a new type of plastic that can conduct electricity, paving the way for innovative applications such as transparent solar cells, flexible batteries, and ultrathin coatings. The plastic, called PTMA, is about 10 times more electrically conductive than common semiconducting polymers.
Physicists at the University of Utah have developed a method to control electrical current in a cheap, plastic LED using nuclear spins. They achieved this at room temperature without strong magnetic fields, bringing the study closer to practical machines that work spintronically.
Researchers developed a technique that uses fluorescence lifetime measurements to automatically sort plastics, reducing contamination levels and increasing re-use efficiency. The new method can process up to 1.5 tons of plastic per hour, meeting industrial scale requirements.
Researchers found that plastic handle needles are less prone to buckling than copper coil handle needles, reducing the need for stainless steel wires. Replacing copper coil handles with plastic ones could save up to 100 tonnes of copper wires and 20 million meters of medical grade stainless steel every year.
Researchers have developed a powerful new reactivity called SuFEx that enables the creation of stable, non-polar linkers for making drugs, diagnostics, and smart materials. The breakthrough opens up vast numbers of new molecules for production, with potential applications in fields such as drug discovery, biology, and materials science.
A new material, a microporous organic polymer, has been developed that can adsorb carbon dioxide extremely well. It's stable, cheap, and has the potential to play a role in reducing CO2 emissions by 30% by 2030, according to President Obama's plan.
Researchers at the University of Michigan have developed a new technology that uses nanpillars to hide images on labels, revealing them with a breath. This could help prevent counterfeit drugs from reaching consumers and is made possible through a cost-effective manufacturing process.
Researchers create colored plastics by designing surface structures at the nanoscopic level, manipulating light to produce a wide spectrum of colors. This new approach reduces the need for dyes and pigments, decreasing plastic waste and improving recyclability.
A new study by University of Exeter researchers found that microplastics are retained in the bodies of marine creatures like crabs six times longer than previously thought. This increased retention time raises concerns about the impact on the food chain.
Experts warn of physical and toxicological risks from widespread ocean microplastics, calling for 'turning off the tap' on plastic waste. Small changes in daily habits can collectively reduce dependence on disposable items.
A recent study by the University of Cadiz reveals five large accumulations of plastic debris in the open oceans, coinciding with major ocean gyres. The study estimates tens of thousands of tonnes of plastics on surface waters, influencing sea creatures' behavior and food chains.
The study, led by the University of Cadiz and Spanish National Research Council, reveals five large accumulations of plastic waste in surface waters, matching the five major twists of surface water circulation. Microplastics were detected in 88% of ocean surface samples, posing risks to marine food chains and ecosystems.
Environmental scientists Drs Carol Turley and Phil Williamson and Professor Richard Thompson will discuss ocean acidification and plastic pollution at the US Department of State conference. They emphasize the urgent need for a coordinated, global approach to address these pressing issues.
University of California - Santa Cruz chemist Rebecca Braslau has developed a new approach to create safe and affordable alternatives to widely used phthalates. Her research aims to replace phthalates in consumer products, which have been linked to reproductive and developmental abnormalities.
Researchers at the University of Illinois have developed materials that can heal and regenerate, filling in large cracks and holes by regrowing material. This technology has the potential to transform commercial goods and aerospace applications, enabling self-repairing plastics with vascular networks filled with regenerative agents.
Researchers found that plantable containers made of sustainable materials can significantly reduce transplant time, labor costs, and plastic usage. Eco-friendly paper and bioplastic containers are suitable alternatives to traditional plastic containers, allowing for faster growth and quicker landscape coverage.
Nikki Posnack's study will investigate BPA and DEHP's impact on the cardiovascular system, including their effect on internal stability and mechanical function. She aims to determine whether real concentrations of these chemicals can cause adverse cardiac effects.
A major European seafloor survey has found widespread marine litter, including plastic and fishing debris, in the deepest ocean depths. The study reveals that human litter is present in all marine habitats, from beaches to remote parts of the oceans.
A new 3D printer developed by Carnegie Mellon University and Disney Research can turn wool and wool blend yarns into fabric objects. The device produces 3D objects made of a form of loose felt reminiscent of hand-knitted materials.
Researchers have created a polymer material that can be used for quality thermal imaging, providing a potential solution for heat detection and infrared applications. The new plastic lenses are inexpensive, lightweight, and can be easily molded into various shapes.
A new proposal converts stored information from magnetism to light efficiently, enabling the development of inexpensive and flexible plastic computers. This breakthrough could lead to high-capacity storage technologies in miniaturized devices.
Scientists at Karlsruhe Institute of Technology have developed a chemical crosslinking reaction that ensures good short-term healing properties of the material under mild heating. The self-healing mechanism can be initiated by heat, light or chemical substance.
Researchers at NIST developed a method to incorporate pneumatic microvalves into microfluidic devices made from plastic films and tape. The new valved microfluidic device can be used for dynamic control of fluid flow, enabling the creation of complex configurations with multiple functions.
A Stanford team developed a process to dope carbon nanotubes with an additive, improving their electronic performance. The resulting flexible CNT circuits can tolerate power fluctuations like silicon chips, enabling bendable electronics with low power consumption.
A study by Michigan Technological University reveals that making your own 3D printer filament from old milk jugs uses less energy than conventional recycling. This DIY approach can also lead to significant cost savings, with the potential to reduce greenhouse gas emissions and promote sustainable practices.
A recent IUPUI study found that dogs react best to actual explosives and not mimic compounds, challenging the use of products designed to replicate C-4's odor. The research team recommends training dogs with real explosives instead.
Researchers have discovered that the Plastisphere, a community of microorganisms living on ocean plastic, can pose significant risks to invertebrates and humans. The study found that certain bacteria thrive on these plastic islands and may cause diseases in animals and humans.
A new study by University of Illinois researchers finds that plastic shopping bags can be converted into diesel fuel, producing significantly more energy than required. The conversion process produces usable petroleum products, including natural gas and gasoline, making it a potential sustainable alternative to traditional fossil fuels.
Two solitary bee species use plastic materials to construct nests, replacing traditional plant-based building materials. The discovery suggests innovative use of common urban waste and potential benefits for parasite resistance.
New dynamic polymer created with commercially available ingredients shows promise for healing cracks and breaking down, with potential applications in coatings and paints. The breakthrough enables mass production of self-healing materials at low cost and without catalysts.
A University of Houston researcher is working on developing plant-based plastics that can match the strength, flexibility, and durability of petroleum-based polymers. The goal is to create biodegradable materials with better mechanical properties and a reduced environmental impact.
Researchers in India have developed a low-temperature process to convert LDPE into liquid fuel, releasing carbon-rich molecules that are similar to conventional petrochemical fuels. The process uses kaolin catalyst and can produce up to 700 grams of liquid fuel per kilogram of waste plastic.
Researchers discovered that paraffin wax molecules align similarly to liquid crystal display (LCD) technology, revealing a new connection between seemingly disparate products. This finding has significant value for the plastics industry, which relies heavily on injection moulding processes.
A recent study by Royal Holloway and the Natural History Museum revealed thousands of pieces of plastic submerged in the Thames Estuary, posing a significant threat to aquatic life. The discovery highlights the vast amount of hidden waste flowing through London, with potential impacts on wildlife in seas that rivers feed into.
A new method allows researchers to design and create three-dimensional structures with precise cell docking sites, enabling the study of individual cells in a close-to-reality environment. The technique uses direct laser writing and photoactive molecules to control the adhesion points for cells.
A new low-cost 3D printer developed by Michigan Technological University's Joshua Pearce can lay down thin layers of steel to form complex geometric objects. The printer is less expensive than commercial metal printers and is affordable enough for home use, but requires more safety gear and fire protection equipment.
Research by Plymouth University and the University of Exeter found that microplastic ingestion can decrease energy reserves in marine worms. The study also revealed that ingested plastic can deliver harmful chemicals to organisms, leading to reduced health. This has significant implications for the food chain and marine ecosystems.
A new study demonstrates that ingested microplastic delivers pollutants and additives into animal tissue, compromising key functions sustaining health and biodiversity. The findings show toxic concentrations of pollutants and additives in the tissues of animals that have eaten microplastic.
CRaTER, an instrument on NASA's Lunar Reconnaissance Orbiter, has made detailed measurements of radiation in deep space. The findings provide crucial data on the high-energy hazards at and around the moon, enabling astronauts to shield against radiation.
Large areas of vinyl flooring in daycares and schools are found to contain phthalates, which have been linked to reproductive and developmental problems. The study uses X-ray fluorescence analysis to verify the presence of these chemicals and highlights the need for further research on their indoor exposure.
A new system uses phased acoustic arrays and laser vibrometry to detect vibrations inside a container, revealing the presence of explosives. The technology can identify differences between low-yield and high-yield explosives from a distance, providing an additional layer of safety.
New research finds subalpine lakes contaminated with microplastics, which can enter food webs through freshwater invertebrates. Microplastic particles can also adsorb toxic pollutants and transport them to other habitats.
A study by Michigan Technological University finds that making products on a 3D printer uses less energy than producing them in factories and shipping them. The analysis also shows that using renewable resources like PLA plastic can further reduce environmental impact.
The increasing availability of 3D printers has sparked concerns about the design and production of custom plastic firearms. While the printed guns are currently unreliable, they can become more effective with advancements in technology. The American Chemical Society reports on this growing issue.
Cassini's Composite Infrared Spectrometer (CIRS) detects propylene, a chemical used in food-storage containers and car bumpers, on Titan's lower atmosphere. The detection fills a mysterious gap in Titan observations dating back to NASA's Voyager 1 spacecraft.
Researchers have developed a process to transform non-biodegradable plastic grocery bags into carbon nanotube membranes, offering potential solutions for environmental pollution and producing high-added value products. The innovative method uses waste plastic as a carbon source, eliminating the need for complex processes and equipment.
Researchers at TUM have developed a new family of electronic devices using carbon nanotubes, enabling rapid gas detection and low power consumption. These sensors can be integrated into food packaging to gauge freshness or built into electronic skin for robotic applications.
Researchers at Stanford University have created a theoretical framework to understand and predict the conductive properties of polymeric semiconductors. Their model reveals that the entangled structure of polymers, which allows them to bend, also impedes their ability to conduct electricity.
Scientists discover a new method to convert waste cooking oil and lard into olefins, a key ingredient in making plastics. This breakthrough could reduce reliance on petroleum-based plastics and promote more sustainable alternatives.
Researchers at UC San Diego developed a cost-effective and efficient robot called SkySweeper to inspect power lines. The robot can move along utility lines, searching for damage and other problems that require repairs, and can be scaled up for under $1,000.