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Molecular-Level "Printing" Leading to Revolution in Lab Testing |
| Section: NATURAL SCIENCE / SCIENCE AND SOCIETY |
| Author: Charles Choi |
| Publication: The world & I online |
| Issue Date: 2/1/2005 |
| Size: 1,033 Words, 6,701 Characters |
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The invention of printing about a thousand years ago transformed history, much as nanotechnology--science and engineering at the molecular scale--is expected to trigger a second Industrial Revolution. Now, nanotechnology and printing are converging in a technique growing in popularity worldwide that brings printing to its fundamental limit of detail only nanometers or billionths of a meter wide.
The devices that promise to unfurl from this convergence over the next five years are called nanoarrays--labs-on-a-chip that will be able to run billions of experiments simultaneously.
"One day, you could take a few microliters of blood or saliva or urine, and analyze it for every possible thing with these arrays--every type of infectious disease--and get information out rapidly and with min...
. . .
...an one? Are all virus particles created equal? Once in a cell, how do they move? We can literally study the interactions on a one-on-one basis instead of working at the large scales we do now and taking statistical averages."
Ivanisevic said she expects the first nanoarrays to find use in labs "in at most the next five years, but really probably sooner."
© 2004 United Press International
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