<p>➀ Researchers from JAIST have developed magnetic nanoparticles that can be directed to tumors and heated with a laser to destroy cancer cells, offering a more accurate and less harmful alternative to traditional treatments; </p><p>➁ The team used biocompatible carbon nanohorns as the photothermal agents and coated them with magnetic ionic liquid for tumor targeting; </p><p>➂ The nanoparticles demonstrated a high photothermal conversion efficiency and successfully eradicated tumors in mouse models after laser treatment.</p>