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Author Topic: Cocaine Biosensor  (Read 835 times)

TehBorken

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Cocaine Biosensor
« on: Mar 14 06 07:01 »
The MIT Technology review reports that a lab at UC Santa Barbara has [a href="http://www.technologyreview.com/BioTech/wtr_16580,306,p1.html"]created a cocaine-sensitive biosensor [/a]by attaching a special type of DNA called an aptamer to a gold electrode. When cocaine is present, the aptamer tightly 'grabs' onto a cocaine molecule and bends so that a metal tag can touch the gold surface, which completes a circuit and triggers the detector.

[a href="http://www.technologyreview.com/BioTech/wtr_16580,306,p1.html"]http://www.technologyreview.com/BioTech/wtr_16580,306,p1.html[/a]
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(When asked if the device could register false positives, the researchers responded, "She don't lie, she don't lie, she don't lie; cocaine!")
The real trouble with reality is that there's no background music.

 

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