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Pens Filled with High-Tech Inks Create DIY Sensors
A simple new tool developed by nanoengineers at the University of California, San Diego is opening the door to an era when anyone will be able to build sensors anywhere, including physicians in the clinic, patients in their home, and soldiers in the field. The team developed high-tech bio-inks that react with several chemicals, including glucose. They filled off-the-shelf ballpoint pens with the inks and were able to draw sensors to measure glucose directly on the skin, and sensors to measure pollution on leaves.
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