More than 50 million Americans have food allergies and often just trace amounts of allergens can trigger life-threatening reactions. Now, NIBIB-funded researchers at Harvard Medical School/Massachusetts General Hospital have developed a $40 device that fits on a key chain and can accurately test for allergens, like gluten or nuts, in a restaurant meal in less than 10 minutes.

Link to full NIBIB release on study led by MGH investigators Ralph Weissleder, MD, PhD, and Hakho Lee, PhD.