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Coatings

Researchers have developed a coating that prevents a battery from conducting electricity w...

It can be a herculean task to get kids to eat their vegetables, but they'll happily chow down on things they aren't supposed to. If one of those things is a button battery, serious injuries can result in the form of burns to the esophagus or tears in the digestive tract. Researchers may not have found a way to stop kids swallowing button batteries, but they have found a way to make such culinary no-nos safer.  Read More

Glass slides dipped in blood to demonstrate the effectiveness of the TLP coating. with blo...

Our bodies have evolved to be pretty good at dealing with incursions by foreign objects and bacteria. Usually, that's a positive thing, but it can spell trouble for medical devices, such as replacement joints, cardiac implants and dialysis machines, which increase the risk of blood clots and bacterial infection. Now researchers at Harvard University have developed a surface coating that smooths the way for medical devices to do their job inside the human body.  Read More

A self-cleaning nanoparticle coating removes stains from cashmere using light (Photo: Shut...

Cashmere is a fine quality wool whose delicate nature generally means a trip to the dry cleaner is required to deal with any stains on an article of clothing made from the material. But now researchers at City University of Hong Kong (CityU) has developed a self-cleaning coating made up of nanoparticles that removes stains from cashmere by exposing the garment to light.  Read More

A sheet of clear polymer treated with the new electrode coating

Chances are that the touchscreen on your smartphone or tablet incorporates a coating of indium tin oxide, also known as ITO or tin-doped indium oxide. Although it's electrically conductive and optically transparent, it's also brittle and thus easily-shattered. Scientists at Ohio's University of Akron, however, are developing something that could ultimately replace the material. They've created an electrode coating that's not only as transparent and more conductive than ITO, but is also far tougher.  Read More

Samples of the coating, which contains dyes that make bacteria die

Hospital-acquired infections are a major health threat, and have prompted the development of preventative measures incorporating things like blue light and selenium nanoparticles. One of the latest such developments is a light-activated antimicrobial surface coating made from silicone, dye and gold. For some reason, it also works in the absence of light.  Read More

The new coating protects airplane engine components from heat damage, while lasting longer...

The higher the temperature at which an aircraft engine is able to run, the more efficiently it uses fuel. In order to run at those high temperatures, the metal components of airplane engines are presently treated with heat-shielding coatings. Scientists at Sweden's University West, however, are developing a new such coating that is said to be far more effective than anything presently used – it could extend the service life of engines by 300 percent.  Read More

UK company Pro-Teq's glow-in-the-dark spray coating could prove a cheaper alternative to c...

UK company Pro-Teq has developed a new water-resistant, spray-on coating that absorbs UV light during the day and releases it at night, adapting to the lighting conditions in its surroundings. The technology is being given a test run at the Christ's Pieces park in Cambridge, and could prove a cost effective alternative to conventional street lighting.  Read More

Dissolving polyphenols found in green tea in a saline solution instantly produces transpar...

Researchers at Northwestern University have discovered new ways of utilizing the properties of naturally occurring polyphenols found in green tea, red wine and dark chocolate. Dissolving polyphenol powders in water with a small amount of salt instantly produces transparent coatings that kill bacteria on contact, have antioxidant qualities and are non-toxic. The sticky nature of polyphenols and the low cost of materials could open the door to a wide range of uses for these coatings.  Read More

The researchers hope to start bettering the superglass coating for use on curved surfaces ...

Joanna Aizenberg, Ph.D. and her team at the Wyss Institute for Biologically Inspired Engineering at Harvard University have improved upon the Slippery Liquid-Infused Porous Surfaces (SLIPS) technology they developed back in 2012. The ultra smooth surface, which the team claims is the slipperiest known synthetic surface, has now been made transparent and more durable, giving it the potential to make the issues glass has with sticky liquids, frost and ice formation, and bacterial biofilms a thing of the past.  Read More

Principal Investigator John Hagopian and his team have developed a new technique to apply ...

Super-black nanotechnology might sound like something ripped from the pages of a comic book, but instead of being in the hands of a super-villain, it's a NASA-researched technology that is set to make spacecraft instruments more sensitive without increasing their size. John Hagopian, an optics engineer at NASA's Goddard Space Flight Center, and his team have demonstrated the ability to grow a uniform layer of carbon nanotubes on oddly shaped platforms, which will extend the potential of the technology by allowing nanotubes to be grown on 3D components.  Read More

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