Paper-based biosensor (IMAGE) Binghamton University Caption A new paper-based biosensor system uses bacterial spores that germinate in response to glucose in potassium-rich bodily fluids, such as sweat. Credit Sean Choi Usage Restrictions Must credit Sean Choi License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.