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SCI-TECH: Sci-Tech: Electric nose to detect dangerous chemicals
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October 28, 2009
Sci-Tech: Electric nose to detect dangerous chemicals


(NECN) - The dogs and chemical sniffing devices seen at airports can only detect a few of the potentially harmful substances passengers could be bringing on board. But now a research team in Illinois has discovered a way to check for the presence of dozens of potentially harmful substances within seconds.

In Sci-Tech Today, Karine Thate has more on an opto-electronic "nose" that can sniff out dangerous chemicals in the air. Karine is the Museum of Science nanotechnology correspondent.

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