Last update Researchers devise microreactor to study formation of methane hydrate, 1 hour ago
Betaines are materials with both a positively charged functional group and a negatively charged functional group linked by an alkyl chain spacer. This combination of functional groups causes betaines to strongly attract water, ...
One of the challenges in making new electronic devices is the chemistry required to assemble the layers that make up the device. In this research, a new synthetic chemistry approach produces ultra-small materials that resemble ...
Advanced plastics could usher in lighter, cheaper, more energy-efficient product components, including those used in vehicles, LEDs and computers—if only they were better at dissipating heat.
Unlike the rigid plastic models from chemistry class, real chains of molecules can bend and stretch, like beads on an elastic cord. Some polymers, like DNA, are especially stretchy, a characteristic that can complicate attempts ...
A pair of engineers at the University of Delaware has developed a process to form interwoven polymer networks more easily, quickly and sustainably than traditional methods allow. Their secret ingredient? Blue light.
Theoretical physicists led by Professor Kurt Binder and Dr. Arash Nikoubashman at Johannes Gutenberg University Mainz (JGU) in Germany have used computer simulations to study the arrangement of stiff polymers in spherical ...
A team of researchers has developed a faster and easier way to make sulfur-containing polymers that will lower the cost of large-scale production.
A boosting skin vaccination with a biodegradable microneedle patch and protein constructed from sequences of influenza virus subtypes could improve the effectiveness of conventional influenza vaccines, according to a study ...
Printed electronic transistor circuits and displays in which the colour of individual pixels can be changed, are two of many applications of ground-breaking research at the Laboratory of Organic Electronics, Linköping University. ...
Scientists at Eindhoven University of Technology and Kent State University have developed a new material that can undulate and therefore propel itself forward under the influence of light. To this end, they clamp a strip ...
Researchers at the University of Seville, together with experts from the University of Huelva, have obtained a natural bioplastic from soya protein that is capable of absorbing up to 40 times its own weight. This new product, ...
Consumer demand continually pushes the electronics industry to design smaller devices. Now researchers at A*STAR have used a theoretical model to assess the potential of electric wires made from polymer chains that could ...
Researchers at Columbia Engineering have demonstrated for the first time a new technique that takes its inspiration from the nacre of oyster shells, a composite material that has extraordinary mechanical properties, including ...
When building with molecules, it is important to understand how they stick to each other. The problem is that the methods used to measure this are themselves an influencing factor on the process. In today's Nature Communications, ...
A WSU research team for the first time has developed a promising way to recycle the popular carbon fiber plastics that are used in everything from modern airplanes and sporting goods to the wind energy industry.
Polymer chemists at Nagoya Institute of Technology in Japan invented a simple coating process to color metals, leading to higher performance and energy savings. The method involves a chemical modification to non-ionic polymers ...
Plastic, rubber, and many other useful materials are made of polymers—long chains arranged in a cross-linked network. At the molecular level, these polymer networks contain structural flaws that weaken them.
A UNT chemist is part of an international team who just made a breakthrough in DNA research. Using a polymer matrix, the team was able to imprint a sequence of a single strand DNA.
How do jumbo jet designers develop resilient materials for modern airframes, while still bringing in their projects on time and on budget? Before they prototype a new material, they depend heavily on computer simulations ...
For the first time ever a family of hydrogels has been created, with unique properties that allow them to be utilised in biological applications. The work, recently published in Polymer, could herald the introduction of a ...
Researchers at MIPT have developed a new technique for obtaining low-molecular-weight, water-soluble chitin and chitosan. The proposed method relies on chitin and chitosan degradation by electron-beam plasma in a special ...
Ceramic textiles, improved jet engine blades, 3-D printed ceramics and better batteries may soon become a reality, thanks to a recently patented polymer from a Kansas State University engineer.
A team of researchers, affiliated with UNIST has discovered the fundamental principles of handling polymers, which constitute the basis of man-made materials, such as plastics, paints, and even consmatics.
Polymers, such as plastic and synthetic textiles, are very useful technological commodities that have revolutionised daily life and industries. A research team from the National University of Singapore (NUS) has successfully ...
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The brain is soft and electronics are stiff, which can make combining the two challenging, such as when neuroscientists implant electrodes to measure brain activity and perhaps deliver tiny jolts of electricity for pain relief ...
Polymer nanocomposites mix particles billionths of a meter (nanometers, nm) in diameter with polymers, which are long molecular chains. Often used to make injection-molded products, they are common in automobiles, fire retardants, ...
Researchers from Kumamoto University, Japan have developed an insulin release system with sustained and controllable delivery. The system combines two original technologies, SPRA and PPRX, which provide complimentary benefits ...
When Geoffrey Coates, the Tisch University Professor of Chemistry and Chemical Biology, gives a talk about plastics and recycling, he usually opens with this question: What percentage of the 78 million tons of plastic used ...
(Phys.org)—Drug delivery is tricky because the therapeutic compound needs to be non-toxic and deliver the correct dosage at the correct time. Some therapeutics are chemically unstable and others do not have the correct ...
Members of the Department of Chemistry of Lomonosov Moscow State University have created unique polymer matrices for polymer composites based on novel phthalonitrile monomers. The materials are stronger than metals, which ...
In regenerative medicine, the ideal repair material would offer properties that seem impossibly contradictory. It must be rigid and robust enough to be manipulated surgically, yet soft and porous enough to allow healing cells ...
In a carefully designed polymer, researchers at the Polish Academy of Sciences have imprinted a sequence of a single strand of DNA. The resulting negative remained chemically active and was capable of binding the appropriate ...
Polymer self-assembly is a crucial tool for manufacturing membranes using scalable methods, enabling easier commercialization. This review surveys approaches to impart stimuli-responsive behavior to membrane filters using ...
Medical implants often carry surface substrates that release ac-tive substances or to which biomolecules or cells can adhere better. However, degradable gas-phase coatings for degradable implants, such as surgical suture ...
Chemists of Karlsruhe Institute of Technology (KIT) have succeeded in specifically controlling the setup of precision polymers by light-induced chemical reactions. The new method allows for the precise, planned arrangement ...
When most living creatures get hurt, they can self-heal and recover from the injury. But, when damage occurs to inanimate objects, they don't have that same ability and typically either lose functionality or have their useful ...
Additive manufacturing (AM) is a high-priority technology growth area for U.S. manufacturers. Innovative AM processes that fabricate parts layer-by-layer directly from a 3-D digital model have great potential for producing ...
Polymerization by chemical vapor deposition (CVD) is a simple method for modifying surfaces by which topologically challenging substrates can be evenly coated with polymers. In the journal Angewandte Chemie, researchers have ...
Controlling the way fluorinated polymer chains twist and turn may enable fast and flexible electrical circuits, according to collaborative research conducted at Penn State. The findings may offer substantial impact on the ...
A polymer gel consists of a three-dimensional cross-linked polymer network swollen with liquid molecules. However, most conventional polymer gels are brittle because stress concentration readily occurs in their cross-linked ...
A Waseda University research group led by Professor Hiroyuki Nishide and Professor Kenichi Oyaizu from the Department of Applied Chemistry has developed a polymer which can store hydrogen in a light, compact and flexible ...
(Phys.org)—A team of researchers from Singapore and the U.K. has found that using a particular type of polymer allowed for creating interfacial layers (IFLs) in optoelectronic devices with improved performance and stability. ...
A bowl of salad contains more than vitamins and minerals. Plant matter also includes remnants of the hormones plants produce to control how they grow, age, and manage water intake. Recently, scientists have reported that ...
Researchers at the NYU Tandon School of Engineering are using a novel means of studying how methane and water form methane hydrate that allows them to examine discrete steps in the process faster and more efficiently.
(Phys.org)—Physicists have experimentally demonstrated an optical system based on an unconventional class of quantum mechanical systems that could lead to the development of new quantum optical devices. The system is called ...
Transition metal silicides, a distinct class of semiconducting materials that contain silicon, demonstrate superior oxidation resistance, high temperature stability and low corrosion rates, which make them promising for a ...
In the megacities that are home to nearly 10 percent of the world's 7.5 billion people, trees provide each city with more than $500 million each year in services that make urban environments cleaner, more affordable and more ...
(Phys.org)—Using the Australia Telescope Compact Array (ATCA), a team of astronomers has detected methanol emission toward a nearby galaxy known as NGC 4945. The finding, reported Aug. 18 in a paper published on arXiv.org, ...
A new understanding of the physics of conductive materials has been uncovered by scientists observing the unusual movement of electrons in graphene.
In the quest for fusion energy, scientists have spent decades experimenting with ways to make plasma fuel hot and dense enough to generate significant fusion power. At MIT, researchers have focused their attention on using ...
Engineers have developed prototype technology that uses controlled burning to partially reveal landmines buried in peat soil.
As the energetic particles of the solar wind speed across interplanetary space, their motion is modified by objects in their path. A study, based on data from ESA's Mars Express orbiter, has thrown new light on a surprising ...
(Phys.org)—A team of researchers from several institutions in Australia has developed a model that sheds light on the social factors involved in getting users to cooperate on water conservation efforts. In their paper published ...
(Phys.org)—A team of researchers affiliated with several institutions in the U.S. has found that warming in Alaska has sometimes caused the Kodiak bear to switch to eating elderberries during salmon spawning periods instead ...
Researchers from North Carolina State University have developed a high-throughput technique that can determine if a chemical has the potential to activate key genes in seconds rather than the typical 24 hours or more. The ...
ETH Zurich researchers have identified all the genes required by a bacterium to use methanol as a food source. The results will help scientists advance the use of this resource in the field of biotechnology.
Those people at Google think they're sooooo smart. So, too, the Apple and Microsoft wunderkinds.
An estimated 20,300 genes in the human genome encode proteins. The number of proteins themselves, as intact proteoforms, could be as high as one billion.
Plate tectonics has shaped the Earth's surface for billions of years: Continents and oceanic crust have pushed and pulled on each other, continually rearranging the planet's façade. As two massive plates collide, one can ...
High-resolution crystal structure reveals a new pathway for RNA during a nontraditional form of transcription—the process by which RNA is produced from a DNA template. Caught during the act of reiterative transcription, ...
The Sun shines from the heavens, seemingly calm and unvarying. In fact, it doesn't always shine with uniform brightness, but shows dimmings and brightenings. Two phenomena alone are responsible for these fluctuations: the ...
Photosynthesis provides energy for the vast majority of life on Earth. But chlorophyll, the green pigment that plants use to harvest sunlight, is relatively inefficient. To enable humans to capture more of the sun's energy ...
Under a microscope, a cell's cytoplasm can resemble a tiny underwater version of New York's Times Square: Thousands of proteins swarm through a cytoplasm's watery environment, coming together and breaking apart like a cytoskeletal ...
Imagine you're on your way to Mars, and you lose a crucial tool during a spacewalk. Not to worry, you'll simply re-enter your spacecraft and use some microorganisms to convert your urine and exhaled carbon dioxide (CO2) into ...
"What's in your water?" has become an increasingly fraught question for many people in the U.S. and around the world. Getting the answer isn't always easy or cheap. Today, scientists are reporting that they are using the ...
A plant has one genome, a specific sequence of millions of basepairs of nucleotides. Yet how this genome is expressed can vary from cell to cell, and it can change as a plant goes through various life stages, from germination ...
When diving in the Gulf of Maine a few years back, Jennifer Dijkstra expected to be swimming through a flowing kelp forest that had long served as a nursery and food for juvenile fish and lobster.
Antarctic researchers from Rice University have discovered one of nature's supreme ironies: On Earth's driest, coldest continent, where surface water rarely exists, flowing liquid water below the ice appears to play a pivotal ...
An upcoming update to Google's Android software finally has a delectable name. The next version will be known as Oreo, extending Google's tradition of naming each version after a sweet treat.
A commonly proposed solution to help diffuse the political and religious polarization surrounding controversial scientific issues like evolution or climate change is education.
Tremendous amounts of soot, lofted into the air from global wildfires following a massive asteroid strike 66 million years ago, would have plunged Earth into darkness for nearly two years, new research finds. This would have ...
The moon is likely very dry in its interior according to a new study from researchers at Scripps Institution of Oceanography at the University of California San Diego, published August 21, 2017 in the Proceedings of the National ...
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