Figure 3. (IMAGE) Kanazawa University Caption A nanoparticle combining photothermal heating and fluorescence thermometry functions as a localized heat spot, and is capable of inducing cell death or muscle contraction. Credit © 2022 Ferdinandus, et al. Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.