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Got food allergies? Thanks to UCLA, you can test your meal on the spot using a cell phone
Date:12/12/2012

ion running on the phone.

The kit digitally converts raw images from the cell-phone camera into concentration measurements detected in the food samples. And beyond just a "yes" or "no" answer as to whether allergens are present, the test can also quantify how much of an allergen is in a sample, in parts per million.

The iTube platform can test for a variety of allergens, including peanuts, almonds, eggs, gluten and hazelnuts, Ozcan said.

The UCLA team successfully tested the iTube using commercially available cookies, analyzing the samples to determine if they had any harmful amount of peanuts, a potential allergen. Their research was recently published online in the peer-reviewed journal Lab on a Chip and will be featured in a forthcoming print issue of the journal.

Other authors of the research included graduate student and lead author Ahmet F. Coskun and undergraduate students Justin Wong, Delaram Khodadadi, Richie Nagi and Andrew Tey, all of whom are members of the Ozcan BioPhotonics Laboratory at UCLA. Ozcan is also a member of the California NanoSystems Institute at UCLA.

"We envision that this cell phonebased allergen testing platform could be very valuable, especially for parents, as well as for schools, restaurants and other public settings," Ozcan said. "Once successfully deployed in these settings, the big amount of data as a function of both location and time that this platform will continuously generate would indeed be priceless for consumers, food manufacturers, policymakers and researchers, among others."

Allergen-testing results of various food products, tagged with a time and location stamp, can be uploaded directly from cell phones to iTube servers to create a personalized testing archive, which could provide additional resources for allergic individuals around the world. A statistical allergy database, coupled with geographic information, could be useful for future food-related
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Contact: Matthew Chin
mchin@support.ucla.edu
310-206-0680
University of California - Los Angeles
Source:Eurekalert

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