Neodymium-doped nanoparticles for infrared fluorescence bioimaging: The role of the host
Blanca del Rosal(Universidad Autónoma de Madrid), Alberto Pérez‐Delgado(Universidad Autónoma de Madrid), Małgorzata Misiak(Wroclaw Research Centre EIT+ (Poland)), Artur Bednarkiewicz(Wroclaw Research Centre EIT+ (Poland)), A. S. Vanetsev(Włodzimierz Trzebiatowski Institute of Low Temperature and Structure Research), Yu.V. Orlovskii(Włodzimierz Trzebiatowski Institute of Low Temperature and Structure Research), Dragana J. Jovanović(University of Belgrade), Miroslav D. Dramićanin(University of Belgrade), Uéslen Rocha(Universidad Autónoma de Madrid), K. Upendra Kumar(Universidade Federal de Alagoas), Carlos Jacinto(Universidade Federal de Alagoas), Elizabeth Navarro‐Cerón, Emma Martín Rodríguez(Universidad Autónoma de Madrid), Marco Pedroni(University of Verona), Adolfo Speghini(University of Verona), Gustavo A. Hirata(Universidad Nacional Autónoma de México), Inocencio R. Martín(Universidad de La Laguna), Daniel Jaque(Universidad Autónoma de Madrid)
Cited by 125Open Access
Abstract
The spectroscopic properties of different infrared-emitting neodymium-doped nanoparticles (LaF3:Nd3+, SrF2:Nd3+, NaGdF4: Nd3+, NaYF4: Nd3+, KYF4: Nd3+, GdVO4: Nd3+, and Nd:YAG) have been systematically analyzed. A comparison of the spectral shapes of both emission and absorption spectra is presented, from which the relevant role played by the host matrix is evidenced. The lack of a “universal” optimum system for infrared bioimaging is discussed, as the specific bioimaging application and the experimental setup for infrared imaging determine the neodymium-doped nanoparticle to be preferentially used in each case.
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