MIT's Scott Manalis shows off his ultrasensitive biomolecule detector.
Scott Manalis holds in his palm a thin microchip about the size of a fingernail. To the naked eye, it looks similar to the chips you might find in your cell phone or iPod. What's different is buried in the chip and hidden from sight: a suspended vibrating microchannel carved out of silicon.
It is, says Manalis, "to our knowledge, the world's most sensitive way to measure the mass of biomolecules or the mass of cells in an aqueous environment."
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