Near-Infrared Excitation of Functionalized Nanoparticles (image) Ecole Polytechnique Fédérale de Lausanne Share Print E-Mail Caption Near-infrared excitation of functionalized bismuth ferrite nanoparticles results in harmonic emission which triggers the photorelease of caged molecular cargos, allowing decoupled imaging and controlled delivery applications. Credit S. Gerber (EPFL) Usage Restrictions Media purposes only. Commercial usage restricted; by permission only. Share Print E-Mail 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.