Glowing nanosensors (IMAGE) RMIT University Caption The fluorescent nanosensors respond to changes in pH, making them ideal for use as sensors to track healing. Credit RMIT University Usage Restrictions Credit RMIT University 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.