Device (IMAGE) University of Massachusetts Amherst Caption This device precisely manipulates the pH of the environment at a cellular level in real time. Credit Jinglei Ping, UMass Amherst Usage Restrictions This image can only be used in covering the research "Spatiotemporal Cell Control via High-Precision Electronic Regulation of Microenvironmental pH" 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.