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Hydrophobic


— Medical

New superglue fixes holes in the heart

By - January 10, 2014 4 Pictures
A hole in the heart is never a good thing, so when an infant is born with such a defect, doctors have to act quickly to fix it. Unfortunately, both sutures and staples can damage the heart tissue, plus it takes too long to apply sutures. Existing surgical adhesives have their own drawbacks in that they can be toxic, and they typically become unstuck in wet, dynamic environments such as the heart. As a result, infants often require subsequent operations to "replug" the hole. Now, however, scientists have developed a sort of superglue for the heart, that quickly and securely bonds patches to holes. Read More
— Good Thinking

Hydrophobic Silic shirt repels sweat and stains

By - December 22, 2013 4 Pictures
We're still a long ways away from the self-drying clothing seen in Back to the Future II, but we may have a useful alternative in the form of a piece of clothing that never gets wet to begin with. Young entrepreneur Aamir Patel has developed the Silic shirt, which is made from a hydrophobic fabric that repels liquids away from it like a force field to keep it from getting wet. Read More
— Science

New surface coatings give insects the slip

By - September 27, 2013
Not having air conditioning in my house, here's something I didn't know: the inner surfaces of air conditioner ventilation pipes are often covered in cockroaches. Nice. In order to keep the roaches out of those pipes – along with keeping other insects out of other places – scientists from Germany's University of Freiburg have developed new bio-inspired surface coatings that even sticky-footed bugs can't cling to. Read More
— Science

Super-slippery SLIPS coating now transparent and more durable

By - August 8, 2013 5 Pictures
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
— Science

Tear-inspired material can be tuned to repel or attract water

By - April 12, 2013 2 Pictures
Last year, a group of Harvard University scientists led by Dr. Joanna Aizenberg announced the development of a highly-hydrophobic (water-repellant) material known as SLIPS, or Slippery Liquid Porous Surfaces. The material is remarkable, in that it repels virtually any liquid. Now, Aizenberg and colleagues have created a new material inspired by human tears, the repellency of which can be fine-tuned for different applications. Read More
— Science

Ultra-Ever Dry hydrophobic coating repels almost any liquid

By - February 24, 2013 4 Pictures
Ready to be amazed? According to Ultra-tech, a Florida-based containment provider for chemical clean-up and waste management, its new Ultra-Ever Dry coating is an amazing product. The coating is "super-hydrophobic" and "oleophobic," meaning it repels almost any liquid on a wide range of materials, including – but not limited to – hammers to boots and gloves as you'll see in the following video demonstration. Read More
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