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1 .This is Scientific American's 60-Second Tech. I'm Larry Greenemeier. Got a minute?
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2 .A virtual cottage industry has emerged around finding innovative uses for smartphones, well beyond basic calling, texting and Internet access.
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3 .In particular, there's been a lot of interest in turning iPhones into something like the Star Trek medical tricorder.
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4 .For example, University of Illinois researchers are developing an app and cradle-like device that makes the iPhone a biosensor.
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5 .The key is the smartphone's camera and processing power combined with the lenses and filters located in the cradle.
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6 .Just put a sample of what you want to study on a slide and insert it into the cradle.
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7 .The iPhone screen indicates a shift in wavelength when the cradle's photonic crystal detects toxins, proteins, bacteria, viruses or other biological materials on the slide.
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8 .The researchers published in the journal Lab on a Chip.
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9 .Imagine using a smartphone to tell if there are toxins in harvested corn and soybeans or pathogens in a water supply.
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10 .That's a handy tool that lowers the cost of medical fieldwork.
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11 .Plus, when you're done, it's easy to call in the results.
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12 .Thanks for the minute, for Scientific American's 60-Second Tech. I'm Larry Greenemeier.
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