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Eggbeater Helps Scientists Whip Disease

Harvard researchers fashion a household item into a diagnostic device

By Clay Dillow,  Newser Staff

Posted Oct 16, 2008 4:30 PM CDT

(Newser) – Centrifuges separate blood from plasma—but at considerable expense, in a bulky package. That leaves them beyond the reach of underfunded medical facilities that could use the help in diagnosing blood-borne ailments, such as hepatitis and other diseases. The solution, Discover reports, could be as close as the nearest kitchen. It's an eggbeater.

"A grocery store in Cambridge, Massachusetts supplied the manual egg beater," the research team writes in the Lab on a Chip journal. The scientists took the standard-issue gadget, removed one rotor blade, and attached a tube of blood to the other side. Cranking of the handle can coax as many as 1,200 rotations per minute from the rotor blade, which is more than enough to separate blood from plasma.

Harvard scientists have developed a centrifuge that is cheap, mobile and simple to use.
Harvard scientists have developed a centrifuge that is cheap, mobile and simple to use.   (Getty Images)
Centrifuges, used to separate blood from plasma, are costly and immobile, but Harvard scientists have devised a substitute that's available anywhere kitchen gadgets are found.
Centrifuges, used to separate blood from plasma, are costly and immobile, but Harvard scientists have devised a substitute that's available anywhere kitchen gadgets are found.   (Getty Images)
Diagnosing infectious disease just got easier; Harvard scientists have developed an easy-to-fashion blood centrifuge from a common eggbeater.
Diagnosing infectious disease just got easier; Harvard scientists have developed an easy-to-fashion blood centrifuge from a common eggbeater.   (Getty Images)
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