A Card-Swipe for Medical Tests

December 5, 2008
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A Card-Swipe for Medical Tests

University of Utah scientists successfully created a sensitive prototype device that could test for dozens or even hundreds of diseases simultaneously by acting like a credit card-swipe machine to scan a card loaded with microscopic blood, saliva or urine samples. The prototype works on the same principle – giant magnetoresistance or GMR – that is used to read data on computer hard drives or listen to tunes on porta


A Card-Swipe for Medical Tests

University of Utah scientists successfully created a sensitive prototype device that could test for dozens or even hundreds of diseases simultaneously by acting like a credit card-swipe machine to scan a card loaded with microscopic blood, saliva or urine samples. The prototype works on the same principle – giant magnetoresistance or GMR – that is used to read data on computer hard drives or listen to tunes on portable digital music players. “Think how fast your PC reads data on a hard drive, and imagine using the same technology to monitor your health,” says Marc Porter, a Utah Science, Technology and Research (USTAR) professor of chemistry, chemical engineering and bioengineering.

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