UCLA smartphone attachment detects food allergens

If you’re the parent of a child with food allergies, you know how terrifying they can be. Such allergies can be life threatening and, despite food labeling laws, it isn't always possible to be certain some potentially deadly ingredient isn't lurking in an item. In an effort to improve on the bulky and complex allergen detectors currently available, researchers from the UCLA Henry Samueli School of Engineering and Applied Science have developed a device called the iTube that turns a smartphone into an allergen sensor.

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