Covid Vaccines and Their Excipients Over the past 18 months a series of vaccines have been developed against the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) or COVID-19 virus. They represent a complete departure from traditional vaccines and rely on new technology platforms, deliveries (injectable and intranasal) and ingredients (for...
This laser ultrasonic setup allows the team to observe vibrations of microscale granular crystals. (Credit: Dennis Wise/University of Washington) On the microscale, granular materials interact in remarkably complex ways. That complexity makes them one of the least understood forms of matter. Now scientists want to figure out how to take advantage...
A researcher pours hexadecane oil onto a glass slide with a superomniphobic coating. The petroleum based, highly viscous lubricant slides easily off the slide, opening up applications like self-cleaning windows, ink jet printers, and microfluidic devices. (Credit: Robert Coelius, Michigan Engineering) A smooth, durable, clear coating that swiftly sheds water,...
(Credit: Penn State Research ) Engineers are developing fabrics for protective suits that not only self-heal but also shield people from toxic materials. They make the fabrics by dipping them in a series of liquids to create layers of material to form a self-healing, polyelectrolyte layer-by-layer coating. “The coatings are thin, less than a...
An immunotherapy drug embedded in a slow-release hydrogel appears to be highly effective at killing cancer cells, according to new research. STINGel combines a new class of immunotherapy drugs called stimulator of interferon gene (STING) agonists with an injectable hydrogel that releases the drug in a steady dose to activate...
Sugar cubes are a key component of a new substrate that can prevent dendrites from degrading and ultimately destroying lithium metal batteries. Lithium, a soft metal, has the ability to store far more energy than current electrodes used in lithium-ion batteries. It could allow electric cars to run longer on...
Researchers have found a new method for finding lithium, used in the lithium-ion batteries that power modern electronics, in supervolcanic lake deposits. While most of the lithium used to make batteries comes from Australia and Chile, but scientists say there are large deposits in sources right here in America: supervolcanoes. “We’ve...
In a small study, doctors have successfully transplanted kidneys infected with hepatitis C into non-infected patients without causing them to contract the disease. “Figuring out how to use these kidneys is a way to do more transplants and save more lives.” The success of the study, involving only 10 transplants, could...
Light-activated cancer drugs that don’t cause the toxic side effects of current chemotherapy treatments are closer to becoming a reality, a new study suggests. Researchers say they now know more about how a pioneering platinum-based chemotherapy drug candidate—trans,trans,trans-[Pt(N3)2(OH)2(py)2]—functions when activated by light. “The current shortcomings of most chemotherapeutic agents are unfortunately...
Researchers have discovered how to dynamically manage the allocation of essential resources inside engineered cells. The research could advance the potential of synthetically programming cells to combat disease and produce new drugs. They developed a way to efficiently control the distribution of ribosomes—microscopic “factories” inside cells that build proteins that...
Inexpensive nanoparticles in a gel can replace traditional materials used to create holograms at a much lower cost, researchers report. Holograms can be created by using magnetic fields to alter the path of light, but the materials that can do that are expensive, brittle, and opaque. Some only work in...
You might expect that the risk of a new flu pandemic—or worldwide disease outbreak—is greatest at the peak of the flu season in winter, when viruses are most abundant and most likely to spread. Instead, all six flu pandemics that have occurred since 1889 emerged in spring and summer months....
Researchers have developed a technique for creating new kinds of optical materials and devices that could lead to light-bending and cloaking devices. “Chemists and physicists will be able to build an almost infinite number of new structures with all sorts of interesting properties…” Using DNA as a key tool, the team...
Researchers have identified five new categories of mental illness that cut across current diagnoses of anxiety and depression. The five categories, which researchers define by their specific symptoms and areas of brain activation, are: tension, anxious arousal, general anxiety, anhedonia (the inability to feel pleasure), and melancholia. “By refining the diagnosis,...
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