Preparation and biocompatibilities of luminescent europium-doped yttria and titania nanoparticles

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In this study, we prepared two types of europium (Eu)-doped nanoparticle, yttoria and titania and investigated their photophysical properties and biocompatibilities. These particles do not inhibit cell culture, even at higher concentrations. The obtained nanoparticles had a strong and narrow red photo-luminescent peak. The narrow emission was observed even when the particles were uniformly doped into a polymer film. These results suggest that they can be used for applications not only in optoelectronic devices but also in biomedical devices for bioimaging and luminescent biomedical materials.
公益社団法人日本セラミックス協会の論文