New smartphone technology puts a doctor in your pocket
Jan 31 2012.
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Smartphones are no longer just phones, they're mini-computers.
And a team of Korean scientists is about to take the technology into another realm - disease diagnosis.
Professor Park Hyun-Gyu says his team's research will enable cell phones to diagnose a range of diseases from cancer to diabetes.
Laboratory experiments have demonstrated that a droplet of blood or saliva on a Smartphone's touchscreen can produce an instant diagnosis.
The technology was developed on the basis of the touchscreen's capacity to detect the minute electrical signals generated by a fingertip's touch.
That ability is called "capacitive sensitivity."
Park says biomolecules, like those produced by diseases, transmit similar signals that a touchscreen can recognise.
He says the recognition rate is nearly 100 percent accurate and is as effective as conventional medical equipment.
Once it's moved beyond the laboratory, the team believes the technology could transform diagnostic techniques, and save billions in healthcare costs.
It could be applied to inexpensively diagnose diseases in environments like nursing homes or mobile clinics, and radically reduce the necessity and expense of sending samples to a lab for testing.
The International telecommunications Union says billions of people use cell phones around the world every day.
The idea of exposing their touchscreens to saliva or blood samples may not appeal to many, but according to Park's team the practice will one day save time, money and lives.
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