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Gene Screen: Ultrasensitive nanowires catch mutations

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9:22am, December 23, 2003

In the nanoworld, the division between wet biology and dry electronics can disappear. As a demonstration, researchers have devised a nanowire sensor that binds to DNA molecules and produces an electrical signal almost instantaneously. Such direct detection of DNA could enable physicians to use a single drop of blood to swiftly screen patients for myriad genetic disorders.

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