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A new line of defense against sexual assault
Date:8/9/2011

ail, they do subtly change the optical properties of the drink. When a ray of light comes into contact with a drugged drink, a "signal change" occurs and the sensor sounds the alarm, which could be a beeping noise or a small flashing light in environments that are dark and loud.

To test the accuracy of the sensor, Prof. Patolsky and Dr. Ioffe had bartenders prepare a large number of the 15 most popular cocktails. Fifty of these drinks were randomly spiked with GHB, without the researchers' knowledge. When their test was conducted, each of the spiked drinks was correctly identified, and there were no false positives.

Only a tiny "sip" of one to ten microliters is required for the sensor to detect the presence of a date rape drug, Prof. Patolsky says.

Affordable personal protection

Researchers are now working on miniaturizing the system, making it easy and affordable for personal use. Each device, says Prof. Patolsky, might look like a pen or clip, easy to dip into a glass. A disposable cartridge inside, responsible for recognizing the presence of a drug, would be able to identify two to three spiked drinks before needing to be replaced and new cartridges would each cost under a dollar.

Dr. Ioffe is also hoping to widen the range of drugs that the sensor can correctly identify. "Currently," he says, "the system is geared towards detecting GHB and ketamine. We hope to expand the system so it will identify additional date rape drugs as well."

Moving forward, the researchers are looking to expand their investor base for the project. All elements of the system have been patented with Ramot at Tel Aviv University Ltd., TAU's technology transfer company.


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Contact: George Hunka
ghunka@aftau.org
212-742-9070
American Friends of Tel Aviv University
Source:Eurekalert

Page: 1 2

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