Upconversion Nanoparticle-Covalent Organic Framework Core–shell Particles as Therapeutic Microrobots Trackable With Optoacoustic Imaging

D. W. Kim, P. Wrede, A. Rodríguez-Camargo, Y. Chen, N. O. Dogan, Ch. Glück, B. V. Lotsch, D. Razansky and M. Sitti
Adv. Mater. 2025, 2418425.