Wednesday, December 5, 2012

Beginnings of Bionic

I found a very interesting article in Science News, the article describes a stamp-on circuit and other new electronic devices that are designed to conform to human tissue and could keep you healthy. Michael McAlpines's circuit is dashed with gold, has a coiled antenna and is glued to a stiff rectangle, definitely not something you may want to put in your mouth. But the antenna flexes, and the rectangle is actually silk, its stiffness melting away under water. The electronic gizmo is designed to detect dangerous bacteria and send out warning signals, alerting its bearer to microbes slipping past the lips. Recently McAlpine, of Princeton University in New Jersey, and his colleagues spotted a single E. coli bacterium skittering across the surface of the gadget's sensor. The sensor also picked out ulcer causing H. pylori amid the vase molecules found in human saliva. This new device is still way to big to fit in a human mouth, "we had to use a cow tooth," McAlpine said. McAlpine and his team are planning to shrink the gadget so it can be placed on human enamel.
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He is also convinced that one day, five to ten years from now, everyone will wear some sort of electronic device. McAlpine belongs to a growing pack of tech-savy scientist that are trying to merge the rigid, brittle materials of conventional electronics with the soft, curving surfaces of human tissues. This is very interesting to me, because these new little gadgets may actually let you know your getting sick before you get sick!  McAlpines "toothy circuit" is not the only bionic device mentioned in the article to read more go to the following link:
http://www.sciencenews.org/view/feature/id/346135/title/Beginnings_of_Bionic

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