Current Polymer News and Events

Current Polymer News and Events, Polymer News Articles.
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Patterning method could pave the way for new fiber-based devices, smart textiles
Multimaterial fibers that integrate metal, glass and semiconductors could be useful for applications such as biomedicine, smart textiles and robotics. But because the fibers are composed of the same materials along their lengths, it is difficult to position functional elements, such as electrodes or sensors, at specific locations. Now, researchers reporting in ACS Central Science have developed a method to pattern hundreds-of-meters-long multimaterial fibers with embedded functional elements. (2020-11-25)

Miniscule robots of metal and plastic
Researchers at ETH Zurich have developed a technique for manufacturing micrometre-long machines by interlocking multiple materials in a complex way. Such microrobots will one day revolutionize the field of medicine. (2020-11-24)

Taking a shine to polymers: Fluorescent molecule betrays the breakdown of polymer materials
Scientists at the Tokyo Institute of Technology (Tokyo Tech) have come up with a simple method to evaluate the strength and performance of polymer materials. They present their innovation in the latest issue of Angewandte Chemie International Edition, and hope that their work will enable scientists and engineers to better evaluate the polymers they work with, and eventually synthesize better ones. (2020-11-24)

Carbon nanocomposites are now one step closer to practical industrial
Multifunctional materials were designed to allow self-diagnostic monitoring through an inexpensive technique. These materials were created by adding the carbon nanoparticles to polymer matrices. Essentially, the use of such materials has the potential to replace sensors in weight critical systems such as aircraft structures, with the material itself being able to provide measurements. (2020-11-23)

New solvent-based recycling process could cut down on millions of tons of plastic waste
Multilayer plastic materials are ubiquitous in food and medical supply packaging, particularly since layering polymers can give those films specific properties, like heat resistance or oxygen and moisture control. But despite their utility, those ever-present plastics are impossible to recycle using conventional methods. (2020-11-20)

Building a better electronic touch
Two new studies introduce materials that improve the capabilities of electronic 'touch,' boosting the multimodality of artificial skin so that it more resembles the capabilities of human skin. (2020-11-19)

Seeking the most effective polymers for personal protective equipment
Personal protective equipment, like face masks and gowns, is generally made of polymers. But not much attention is typically given to the selection of polymers used beyond their physical properties. To help with the identification of materials that will bind to a virus and speed its inactivation for use in PPE, researchers have developed a high-throughput approach for analyzing the interactions between materials and viruslike particles. They report their method in the journal Biointerphases. (2020-11-17)

One-month of dual anti-platelet therapy is safe and feasible after stent placement
A short, one-month treatment combining antiplatelet medication and aspirin followed by an aspirin-only regime was as effective as a 6- to 12-month course of dual treatment at preventing death, heart attacks, strokes, bleeding or the need for additional stent placement. The results of this study could lead to changes in treatment and improve patient compliance, lower costs and fewer side effects. (2020-11-16)

Sensors get a laser shape up
Laser writing breathes life into high-performance sensing platforms. (2020-11-15)

Researchers develop ultra-fast polymer modulators that can take the heat
Researchers in Japan have demonstrated a silicon-polymer hybrid modulator that can efficiently and reliably transmit data at 200 Gbit/s over an extremely wide range of temperatures from 25 °C to 110 °C. Use of such robust modulators in high-speed data applications could reduce cooling demands of the systems and expand applications in harsh environments. (2020-11-13)

'Smart Wrap' implant may help people better control their bladders
An implantable smart wrap that fits safely and securely around the bladder may one day help people who have under-active bladders, a condition that hinders patients from urinating regularly and comfortably, according to an international team of researchers. (2020-11-11)

Printable ink guides cell growth, offers nerve injury hope
New research has cracked a major challenge in the emerging field of nerve engineering. The ink can concentrate neuron growth where it is needed, meticulously guiding cells to regrow in lines between the broken ends of a nerve. (2020-11-10)

Swirl power: how gentle body movement will charge your mobile phone
Scientists have discovered a way to generate electricity from nylon - the stretchy fabric used widely in sportswear and other shape-hugging apparel - raising hopes that the clothes on our backs will become an important source of energy. (2020-11-06)

Utilizing a 'krafty' waste product: Toward enhancing vehicle fuel economy
Researchers from Kanazawa University have chemically modified Kraft lignin -- ordinarily considered in the paper industry to be a waste product -- and used it to produce quality carbon fiber. When optimized in the future as an automotive structural material, it may reduce the fuel needed to power your car. (2020-11-05)

A material that "bruises"like the skin?
Human skin bruises when the tissue and muscle in the area suffer trauma or become damaged due to an application of blunt force. when an object suffers an impact that is expected to damage, If the areas damaged by a physical impact undergo a change in color, just like human skin, it will be easy to distinguish what needs to be repaired. (2020-11-04)

Sheer protection from electromagnetic radiation
A printable ink that is both conductive and transparent can also block radio waves. (2020-11-01)

Well oriented
Polypropylene (PP) is one of the most widely used plastics in the world. By controlling the spatial orientation of the propylene building blocks and additional polar components, it should be possible to create a new generation of attractive, engineered, specialty plastics, with improved wettability or enhanced degradability, based on PP. In the journal Angewandte Chemie, Japanese scientists have introduced the basis for a new class of palladium catalysts for such polymerizations. (2020-10-30)

Smart bottle brushes
They look like microscopic bottle brushes: Polymers with a backbone and tufts of side arms. This molecular design gives them unusual abilities: For example, they can bind active agents and release them again when the temperature changes. With the help of neutrons, a research team from the Technical University of Munich (TUM) has now succeeded to unveil the changes in the internal structure in course of the process. (2020-10-29)

An artificial cell on a chip
Researchers at the University of Basel have developed a precisely controllable system for mimicking biochemical reaction cascades in cells. Using microfluidic technology, they produce miniature polymeric reaction containers equipped with the desired properties. This 'cell on a chip' is useful not only for studying processes in cells, but also for the development of new synthetic pathways for chemical applications or for biological active substances in medicine. (2020-10-28)

Stay focused: Algae-inspired polymers light the way for enhanced night vision
Researchers from the University of Tsukuba processed sulfur, and algae and plant compounds, into an elastic lens that maintains substantial variable focus in infrared imaging. This development will be useful in policing, firefighting, ecology, and many other applications where it's critical to see detail at variable distances in dark environments, such as at night or through smoke. (2020-10-27)

Ultraheavy precision polymers
An environmentally friendly and sustainable synthesis of ''heavyweight'' polymers with very narrow molecular weight distributions is an important concept in modern polymer chemistry. Thanks to a new photoenzymatic process, Chinese researchers have been able to increase the range of possible monomers. As reported in the journal Angewandte Chemie, the researchers were able to obtain well-defined linear and star-shaped polymers with ultrahigh molecular weights. (2020-10-27)

Study shows how tiny compartments could have preceded cells
Researchers used Argonne's Advanced Photon Source to study membraneless compartments as they underwent wet-dry cycles, shedding light on prebiotic Earth. (2020-10-27)

High-thermoresistant biopolyimides become water-soluble like starch
This is the first report for the syntheses of water-soluble polyimides which are Interestingly derived from bio-based resources, showing high transparency, tunable mechanical strength and the highest thermoresistance in water-soluble polymers reported ever. (2020-10-26)

RUDN University chemist suggested synthesizing bioactive substances using a copper catalyst
A chemist from RUDN University used a copper catalyst in the click reaction of triazole synthesis. Triazoles are bioactive substances that are used to treat fungal diseases and synthesize pharmaceutical drugs and also play a role in polymer chemistry. The catalyst not only accelerated the reaction several times but also helped perform it at room temperature and without any bases or solvents. The reaction turned out to be almost 100% effective and had no by-products. (2020-10-22)

Cicada-inspired waterproof surfaces closer to reality, researchers report
A multidisciplinary group that studies the physical and chemical properties of insect wings has demonstrated the ability to reproduce the nanostructures that help cicada wings repel water and prevent bacteria from establishing on the surface. The new technique - which uses commercial nail polish - is economical and straightforward, and the researchers said it will help fabricate future high-tech waterproof materials. (2020-10-22)

Turning streetwear into solar power plants
Researchers at Empa and ETH Zurich succeeded in developing a material that works like a luminescent solar concentrator and can even be applied to textiles. This opens up numerous possibilities for producing energy directly where it is needed, i.e. in the use of everyday electronics. (2020-10-22)

A first-of-its-kind catalyst mimics natural processes to break down plastics
A team of scientists led by the U.S. Department of Energy's Ames Laboratory has developed a first-of-its-kind catalyst that is able to process polyolefin plastics, types of polymers widely used in things like plastic grocery bags, milk jugs, shampoo bottles, toys, and food containers. (2020-10-19)

Results from host-reduce-polytech-ACS trial reported at TCT Connect
A randomized clinical trial found that drug-eluting stents (DES) with durable polymers are non-inferior to DES with biodegradable polymers in patients with acute coronary syndrome (ACS). Findings were reported today at TCT Connect, the 32nd annual scientific symposium of the Cardiovascular Research Foundation (CRF). TCT is the world's premier educational meeting specializing in interventional cardiovascular medicine. (2020-10-17)

Membranes for capturing carbon dioxide from the air
CO¬2 capture from the air can mitigate further CO2 emissions, related increase in global temperature and climate change. Direct air capture of CO2 (DAC) is one of the promising ways for atmospheric CO2 extraction. In a new research paper, researchers propose CO2 capture from the air by membranes, which has been considered almost impossible for this challenging task. (2020-10-16)

LiU researchers first to develop an organic battery
Researchers at the Laboratory of Organic Electronics, Linköping University, have for the first time demonstrated an organic battery. It is of a type known as a 'redox flow battery', with a large capacity that can be used to store energy from wind turbines and solar cells, and as a power bank for cars. An article now published in Advanced Functional Materials. (2020-10-15)

A new approach boosts lithium-ion battery efficiency and puts out fires, too
Building new functionality into an overlooked lithium-ion battery component addresses two major goals of battery research: extending the driving range of electric vehicles and reducing the danger that laptops, cell phones and other devices will burst into flames. (2020-10-15)

Layer of strength, layer of functionality for biomedical fibers
Wound dressing, tissue scaffolding, controlled and sustained drug delivery, and cardiac patching are all biomedical processes requiring a material that combines strength with functionality. Core-sheath polymer fibers, fibers comprised of a strong core surrounded by a biologically applicable sheath layer, are an affordable way to meet these requirements. In the journal Applied Physics Reviews, researchers discuss methods of producing core-sheath polymer fibers and their promising applications. (2020-10-13)

Combination therapy against cancer
In their quest to destroy cancer cells, researchers are turning to combinational therapies more and more. Scientists from Germany and China have now combined a chemotherapeutic and photodynamic approach. All agents are encapsulated in nanocapsules with a protein shell to be delivered to the tumor. There, light irradiation triggers a cascade of events, which lead to the destruction of the tumor cells, the researchers write in the journal Angewandte Chemie. (2020-10-13)

Scientists developed key principles for creating an artificial vessel
Researchers from St. Petersburg provided a unique experiment. They implanted a polymer scaffold as a vascular prosthesis into the rat abdominal aorta and monitored the process of its bioresobtion for 16 months. An artificial vessel was formed where the scaffold was located. It posess similar characteristics as a natural vessel. (2020-10-08)

Next-gen smartphones to keep their cool
Multilayered carbon material could be the perfect fit for heat management in electronic devices. (2020-10-07)

Energy-harvesting plastics pass the acid test
Air-stable coatings can improve the longevity of wearable devices that tap into body heat. (2020-10-06)

'Like a fishing net,' nanonet collapses to trap drug molecules
Researchers have discovered a new, rapid method for fabricating nanoparticles from a simple, self-assembling polymer, which present new possibilities for diverse applications, including water purification, diagnostics and rapidly generating vaccine formulations. (2020-10-05)

Metal-ion breakthrough leads to new biomaterials
Metals such as iron and calcium play a crucial role inside the human body, so it's no surprise that bioengineers would like to integrate them into the soft, stretchy materials used to repair skin, blood vessels, lungs and other tissue. (2020-09-30)

New storage battery more efficient and heat-resistant
The more important renewable energy sources become, the more urgent is the need to store the electricity produced in this way. Green energy could then also be used when the sun is not shining. To achieve this, suitable energy storage devices are indispensable. Researchers at the University of Jena (Germany) have recently developed promising new polymer electrolytes for redox flow batteries, which are flexible, efficient, and environmentally friendly. (2020-09-25)

FSU researchers help develop sustainable polymers
Researchers at the FAMU-FSU College of Engineering have made new discoveries on the effects of temperature on sustainable polymers. Their findings may help the industry to produce plastics that are better for the environment. (2020-09-25)

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