Self-powered ingestible sensor system (IMAGE) University of California - San Diego Caption UC San Diego Researchers develop a self-powered ingestible sensor system designed to monitor metabolites in the small intestine over time. Photo by David Ballot for the Jacobs School of Engineering, UC San Diego. Credit David Ballot for the Jacobs School of Engineering, UC San Diego Usage Restrictions none 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.