February 3, 2012
From Forbes Tech – 1/26/2012 Smartphones could soon detect cancer and other diseases, enabling cost-effective, on-the-spot medical testing outside the confines of a traditional medical lab. Scientists at Korea Advanced Institute of Science of Technology “confirmed” Monday today’s ultra-sensitive touchscreens can detect biomolecular material as well as traditional medical testing equipment. The German science journal “Angewandte Chemie” published the results of KAIST’s research. Capacitive touchscreens work by sensing the electronic charges from a user’s body on the screen’s surface. Biochemical materials, such as DNA and proteins, carry similar electrical charges. The KAIST researchers’ experiments showed touchscreens can recognize both the existence and the concentration of DNA molecules placed on them, an early foray into using touchscreens on smartphones and tablets to perform medical tests.
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