Mouth Guard Sensor (IMAGE) University of California - San Diego Caption The mouth guard sensor offers an easy and reliable way to monitor uric acid levels in human saliva. Credit Jacobs School of Engineering, UC San Diego Usage Restrictions Please credit Jacobs School of Engineering, UC San Diego License Licensed 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.