3D-Printed ‘Smart Cap’ Uses Electronics to Sense Spoiled Food

November 16, 2015
3D-Printed ‘Smart Cap’ Uses Electronics to Sense Spoiled Food

University of California Berkeley engineers have printed a wireless “smart cap” for a milk carton, which was capable of detecting signs of spoilage using embedded sensors. Berkeley’s innovation, for the first time, has used 3D printing to produce sensitive electronic components.

The “smart cap” was fitted with a capacitor and an inductor to form a resonant circuit which could detect the changes in electrical signals that accompany increased levels of bacteria. The researchers hope to adapt this technology for health applications, such as implantable devices that can monitor drug concentrations or muscle strain. The researchers’ findings were published in a new open-access journal in the Nature Publish Group called Microsystems & Nanoengineering.

For more information, visit: http://news.berkeley.edu/2015/07/20/3d-printed-electronic-smart-cap/.

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