Now, fake human arms to help detect cancer

Synthetic human skin is being made by Google as part of its work to create a wristband that can detect cancer, impending heart attacks and other diseases. Scientists at its laboratories in California needed to create arms that were as realistic as possible to test the technology. Dr Andrew Conrad said the system, which is still in the early stages, would detect cancer cells when they first appear by using nanoparticles that "search" the body for disease. It would theoretically allow diagnosis long before any physical long before any physical symptoms appear, enabling early intervention to reduce the fatality rate of illnesses. "We're trying to change medicine from being episodic and reactive, like going to the doctor saying `my arm hurts', to being proactive and preventative. We're making good progress but the journey is long and hard."

The idea is to identify slight changes in the person's biochemistry that could act as an early warning system.Patients would swallow a pill contain ing nanoparticles tailored to attach to markers for different conditions, such as cancerous cells or chemical levels linked to disease.

Google believes it will be possible to make cells "light up" so the magnetic wristband can detect them as they pass through the arm in the bloodstream. "We have the nanoparticles circulate around your whole body look ing for those cells and we collect them using a magnet and basically ask them what they saw," Dr Conrad explained.

When asked whether people would be comfort would be comfortable being constantly monitored, he replied, "It's way weirder to have killer cancer cells in your body." Because the system relies on light emitted by cells, researchers need to understand how light passes through skin and so have built models of human arms. These moulds have been made with a combination of synthetic and human skin, from donors, so they have the "same autofluorescence and biochemical components of real arms".

http://timesofindia.indiatimes.com/followceleb.cms?alias=wristband,Synthetic human skin,heart attacks,Google,Cancer

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