TY - JOUR AU - Martínez Maestro, Laura AU - Martín Rodriguez, Emma AU - Vetrone, Fiorenzo AU - Naccache, Rafik AU - Loro Ramirez, Héctor AU - Jaque, Daniel AU - Capobianco, John A. AU - García Solé, José PY - 2010 DO - 10.1364/OE.18.023544 SN - 1094-4087 UR - https://hdl.handle.net/20.500.14352/97563 T2 - Optics Express AB - In this paper, we demonstrate for the first time that the new class of fluoride-based inorganic upconverting nanoparticles, NaYF4:Er3+, Yb3+, are the most efficient multiphoton excited fluorescent nanoparticles developed to date. The... LA - eng M2 - 23544 PB - Optica Publishing Group TI - Nanoparticles for highly efficient multiphoton fluorescence bioimaging TY - journal article VL - 18 ER -