Category: Health

Germ-repelling surfaces

Germ-repelling surfaces

Fat burner exercises you can purchase all sorts of products treated with antimicrobial additives, including light Fat burner exercises, Germ-repelling curtains, and bedding, certain suefaces Germ-repelling surfaces also boast germ-repelling properties. Furthermore, antimicrobial surfaces offer a practical solution for high-traffic areas within the home. In my experience as a cleaner I have found that clean has litle if any commercial value as sanitation does not contribute to profits, at least not directly.

Germ-repelling surfaces -

Didar and his colleagues at McMaster University in Hamilton, developed a non-stick coating they could apply to plastic that in turn they can shrink-wrap onto surfaces — such as a stethoscope or a doorknob. This could prevent bacteria from colonizing these objects and forming a fortress-like biofilm.

When bacteria attach to a surface, they form communities that create a layer of slimy, slippery biofilm that protects the microbes from scrubbing, disinfectants and even antibacterial compounds. This technology could be important in the battle against superbugs. According to Health Canada, antibiotic resistant superbugs are currently the fourth leading cause of death in our country — a problem experts expect to get a lot worse as more bacteria evolve resistance to our current roster of antibiotic medications.

If you were to zoom right down to the surface of the lotus leaf, you'd see a structure kind of like a series of rolling hills, covered in trees and then flowers on those trees.

This surface is slippery because these structures trap air pockets between themselves and water droplets, for example. The water droplets then slide like pucks on an air-hockey table. Didar and his colleagues created a surface that emulates this. In includes microstructures 10 times smaller than the width of a human hair, which he said are the equivalent of the rolling hills.

On top of the microstructure, they added nanostructures times smaller than a human hair that you can think of as the trees. Then on top of that layer, they added Teflon-like fluorinated chemicals to mimic the lotus leaf's waxy layer, equivalent to the flowers on the trees.

In total this structure works much like the lotus leaf, and bacteria find it as slippery and hard to stick to as water droplets. We repeated it at least 3 times in a row, and they have asked to do it again since then.

It is that cool! And even better, it is so simple with very little prep and cleanup required! Sprinkle or grind pepper to cover the surface of the water.

Explain to your kids that the pepper represents germs. Stick your finger into the bowl or plate, what happens? Squeeze some soap into the bowl or better yet put soap on your finger and stick your finger back into the bowl, and watch the pepper scatter.

Explain to your kids this is how germs are repelled from our hands when we wash them with soap. This is such a fun and simple way to teach kids about germs and the importance of using soap while washing their hands. This experiment gives kids a visual understanding of how soap repels germs.

Thorough hand washing has become a critically important life skill this year, and this helps explain to kids why it works. This site uses Akismet to reduce spam.

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Facebook Twitter Instagram Pinterest YouTube. Learn How Soap Repels Germs STEAM Activity for Kids by Emily Sep 17, STEAM Experiments , STEAM for Kids 0 comments.

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Cosmos » Materials. Matilda is a science writer at Cosmos. She holds a Germ-repelling surfaces of Germ-fepelling and Fresh Fruit Cocktails Bachelor of Germ-repelling surfaces Honours from Fat burner exercises University surfaaces Fat burner exercises. Germ-repellinv novel engineered surface material called RepelWrap is offering great promise in medical settings — among myriad other uses. Its structure, inspired by the water-repellent properties of lotus leaves, makes it extremely liquid-repellent — which prevents pathogens from adhering to it. Effectively a self-cleaning surface, it has potential for covering everything from door handles to medical devices. Germ-repelling surfaces

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