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Polymers—molecules of repeating chemicals—are the basis of many materials: plastic water bottles, rubber tires, even the keratin in your hair. When certain kinds of polymers are sensitive to changes in external stimuli ...
In canteens and supermarkets, plant-based substitute products for chicken escalopes and beef steaks have become standard fare. Together with colleagues from TU Berlin, researchers at Karlsruhe Institute of Technology (KIT) ...
Researchers at Imperial College London have developed a new class of multi-functional sequence-defined polymers.
Physicists from the Moscow Institute of Physics and Technology (MIPT) and Lomonosov Moscow State University have combined thermal analysis and X-ray scattering—two techniques for studying crystal structure—in one experimental ...
Hydrogels are physical and chemical polymer networks capable of retaining large quantities of liquid in aqueous conditions without losing their dimensional stability. They are used in a whole host of applications, and in ...
Is a new phone on your holiday shopping list? A "radical" technology being developed at Purdue University that's making smartphones and other electronic devices more bendable could help save lives one day soon through better ...
A chemist from RUDN created the technology for the synthesis of polymer nanospheres for use in the production of electrochemical devices. The method does not require any surfactants and produces nanoparticles of a predetermined ...
The structure of cross-linked polymeric gels is very similar to soft tissue—which is one reason that understanding this material is so critical, according to Kelly Schultz, assistant professor in the Department of Chemical ...
From water bottles and food containers to toys and tubing, many modern materials are made of plastics. And while we produce about 110 million tons per year of synthetic polymers like polyethylene and polypropylene worldwide ...
Scientists have discovered a novel method to synthesize furan-2,5-dicarboxylic acid (FDCA) in a high yield from a glucose derivative of non-food plant cellulose, paving the way for replacing petroleum-derived terephthalic ...
Organic solar cells that can be painted or printed on surfaces are increasingly efficient, and now show promise for incorporation into applications like clothing that also require them to be flexible.
Car seats, mattresses and insulation materials are often made of polyurethane foams. The foaming process of the liquid polymer emulsions is complex. Fraunhofer researchers are now able to simulate the foaming behavior and ...
Researchers at UC Santa Cruz have developed safer alternatives to the phthalate plasticizers used to enhance the suppleness, flexibility, and longevity of plastics.
Adhesives to join components are indispensable in industry, but reliable joining is no longer sufficient. The recycling economy pushed by the EU requires proper disassembly of high-tech products, such as mobiles, into their ...
Hydrogen fuel cells offer an attractive source of continuous energy for remote applications, from spacecraft to remote weather stations. Fuel cell efficiency decreases as the Nafion membrane, used to separate the anode and ...
Scientists at Tokyo Institute of Technology, RIKEN and Tohoku University have developed a silicone polymer chain that can self-assemble into a 3-D periodic structure. They achieved this by using their recently reported self-assembling ...
Drug-releasing textiles could, for instance, be used to treat skin wounds. Empa researchers are currently developing polymer fibers that can be equipped with drugs. The smart fibers recognize the need for therapy all by themselves ...
The cost of making plastics, paints, coatings for cell phone screens and other materials that heal themselves like skin could be dramatically reduced thanks to a breakthrough that a Clemson University team detailed in the ...
Biological materials from bone to spider-silk and wood are lightweight fibre composites arranged in a complex hierarchical structure, formed by directed self-assembly to demonstrate outstanding mechanical properties. When ...
In the world of catalytic reactions, polymers created through electropolymerization are attracting renewed attention. A group of Chinese researchers recently provided the first detailed characterization of the electrochemical ...
With temperatures rising and heat-waves disrupting lives around the world, cooling solutions are becoming ever more essential. This is a critical issue especially in developing countries, where summer heat can be extreme ...
From a humble plastic bag to ultra-light airplane wings, polymers are everywhere. These molecules are long chains of atoms that play many roles for good and bad, from organic photovoltaics to indestructible plastic pollution. ...
Nagoya researchers developed a spontaneous polymer network synthesis that allowed for the preparation of gels containing narrow molecular weight distribution polymers. The gel networks showed swelling properties that were ...
Artificial polymers, like antibiotic peptides, need both hydrophobic and hydrophilic domains in their molecular structure to exert antibacterial activity. Now, researchers from Canada have synthesized a phosphonium polymer ...
Polyisobutylene (PIB) is a workhorse polymer that is found in a multitude of products, ranging from chewing gum, to tires, to engine oil and gasoline additives. Although commercially produced in large quantities since the ...
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Your favorite foods and beverages could soon taste even better, thanks to new calculations developed at A*STAR. One significant source of flavor loss for food and beverage is from aroma molecules that are absorbed into the ...
For the replacement of animal testing with alternatives in medical research, complex microtissues need to be cultivated. Researchers from Empa have developed a special polymer scaffold for three-dimensional cell cultures. ...
Hundreds of polymers that could kill drug-resistant superbugs in novel ways can be produced and tested with light, using a method developed at the University of Warwick. The new methodology may identify antimicrobials for ...
Over hundreds of millions of years of evolution, nature has produced a myriad of biological materials that serve either as skeletons or as defensive or offensive weapons. Although these natural structural materials are derived ...
Researchers at Tohoku University in Japan have collaborated with others to develop a simple way to create and functionalize virus-like polymer particles that have various nanostructures. The collaboration includes researchers ...
When jewelers create a necklace, they control the order and number of each bead or jewel they use to form a desired pattern. It's been challenging for scientists to do the same thing when designing polymers—until now. In ...
Airy, Airier, Aerogel. Until now, brittleness has limited the practical application of these delicate solids, which consist almost entirely of air-filled pores. This may now change: In the journal Angewandte Chemie, Japanese ...
MIT researchers have designed a polymer material that can change its structure in response to light, converting from a rigid substance to a softer one that can heal itself when damaged.
As Ralph Colby peers at the microscope image in front of him, he thinks he can make them out—"shish kebabs," as polymer scientists call them. Nobody knows for sure what they are, but these shapes that appear at seemingly ...
CTsystems, a spin-off of Empa, and Daetwyler, the Swiss specialist for sealing solutions, partner up to market and industrialize polymer transducer technology. CTsystems has already presented the first prototype of electromechanical ...
An ever-growing number of coatings, including varnishes and printing inks, as well as tooth fillings, are cured with light. Yet, homogenous, tailored, polymer networks cannot be produced, and the materials tend to be brittle, ...
The Stereochemistry and Asymmetric Synthesis Group at the Faculty of Pharmacy at the University of Seville, in collaboration with the Asymmetric Synthesis and Functional Nanosystems Group at the Chemical Research Institute ...
Synthetic polymers are ubiquitous—nylon, polyester, Teflon and epoxy, to name just a few—and these polymers are all long, linear structures that tangle into imprecise structures. Chemists have long dreamed of making polymers ...
The first ever detailed pictures of the structure of conjugated polymers have been produced by a research team led by Professor Giovanni Costantini at the University of Warwick.
Researchers in China have made a new hybrid conductive material—part elastic polymer, part liquid metal—that can be bent and stretched at will. Circuits made with this material can take most two-dimensional shapes and ...
While statisticians are driven by real-world problems, U of S mathematics professor Chris Soteros is motivated by the more esoteric behaviour of long-chain molecules, such as polymers and DNA, and the mathematical problems ...
Cancer remains one of the major causes of death in Australia and around the world, despite improved treatments and rates of survival.
James Cook University scientists have discovered a technique to apply natural plant extracts such as Tea Tree Oil as a coating for medical devices, a process which could prevent millions of infections every year.
Between 1995 and 2003, NASA's Galileo spacecraft made several flybys of Jupiter's moon, Europa. Several findings from observations of the moon pointed to evidence of a liquid ocean beneath Europa's icy surface. The ocean, ...
The remarkable exoplanet discoveries made by the Kepler and K2 missions have enabled astronomers to begin to piece together the history of the Earth and to understand how and why it differs from its diverse exoplanetary cousins. ...
Since the 1960s, scientists have known of a modification that occurs to a particular molecule in muscles, especially after exercise. What scientists haven't known is how that modification happens, or even why.
A new laser-pointing platform developed at MIT may help launch miniature satellites into the high-rate data game.
To trace which proteins are produced and when, researchers say, just follow the ribosome "footprints."
Dutch ranger Andre Donker sighs as he looks out at the rippling grey waters of the Markermeer, one of Europe's largest freshwater lakes. "Once upon a time it was teeming with fish here," he says.
Faced with images of turtles smothered by plastic bags, beaches carpeted with garbage and islands of trash floating in the oceans, environmentalists say the world is waking up to the need to tackle plastic pollution at the ...
Astronomers have captured one of the most detailed views of a young star taken to date, and revealed an unexpected companion in orbit around it.
As a principal investigator in the NASA Ames Exobiology Branch, Andrew Pohorille is searching for the origin of life on Earth, yet you won't find him out in the field collecting samples or in a laboratory conducting experiments ...
Hundreds of dams are being proposed for Mekong River basin in Southeast Asia. The negative social and environmental consequences—affecting everything from food security to the environment—greatly outweigh the positive ...
It's that time of year when children look forward to a stocking full of presents—but the first international academic "Santa survey" shows many adults also wish they still believed in Father Christmas and some had felt ...
On Sunday, Dec. 16, the comet known as 46P/Wirtanen will make one of the 10 closest comet flybys of Earth in 70 years, and you may even be able to see it without a telescope.
Hawksbill turtles aren't the only marine turtles threatened by the destabilizing effects of climate change, but a new study from researchers at Florida State University shows that this critically endangered species could ...
On Nov. 26, NASA's InSight mission knew the spacecraft touched down within an 81-mile-long (130-kilometer-long) landing ellipse on Mars. Now, the team has pinpointed InSight's exact location using images from HiRISE, a powerful ...
A team of researchers with members affiliated with several institutions in the U.S. and China has found two stalagmites that offer a way to improve the accuracy of the carbon-14 dating technique. In their paper published ...
A pair of researchers, one with the Langevin Institute, the other a company called Greenerwave, both in France, has developed a way to use ordinary Wi-Fi signals to perform analog, wave-based computations. In their paper ...
Pulling off a Band-Aid may soon get a lot less painful.
Nano-sized particles already make bicycles and tennis rackets lighter and stronger, protect eyeglasses from scratches, and help direct chemotherapy drugs to cancer cells. But their usefulness depends on being able to precisely ...
A very large team of researchers from multiple institutions in the U.S. has concluded that the Kilauea volcanic eruption that occurred over this past summer represented an unprecedented volcanic event. In their paper published ...
Scientists in Finland have developed what they believe is the world's first vaccine to protect bees against disease, raising hopes for tackling the drastic decline in insect numbers which could cause a global food crisis.
It is said that "clothes maketh the man."
Complexity in nature often results from self-assembly, and is considered particularly robust. Compact clusters of elemental particles can be shown to be of practical relevance, and are found in atomic nuclei, nanoparticles ...
The history of our climate is written in ice. Reading it is a matter of deciphering the complex signals pulled from tens of thousands of years of accumulated isotopes frozen miles below the surface of Antarctica.
A cheap and effective new catalyst developed by researchers at the University of California, Berkeley, can generate hydrogen fuel from water just as efficiently as platinum, currently the best—but also most expensive—water-splitting ...
The development of spintronics depends on materials that guarantee control over the flow of magnetically polarized currents. However, it is hard to talk about control when the details of heat transport through the interfaces ...
On the night of December 13, into the morning of December 14, 2018, tune into the night sky for a dazzling display of fireballs. Thanks to the International Space Station, this sky show – the Geminids meteor shower—will ...
Whether by land or by sea, mammals live in a diverse variety of protective skins adapted against the elements, from swimming in the deepest azure oceans to climbing precipitous mountain peaks.
A new study led by Western University's Natasha Mhatre shows that body dynamics and posture are crucial to how black widow spiders decode the important vibrations that travel through their webs and up their legs. Black widows ...
Magnetic field lines tangled like spaghetti in a bowl might be behind the most powerful particle accelerators in the universe. That's the result of a new computational study by researchers from the Department of Energy's ...
The speed and distance at which planets orbit their respective blazing stars can determine each planet's fate—whether the planet remains a longstanding part of its solar system or evaporates into the universe's dark graveyard ...
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