%0 Journal Article %T Non-Aqueous Sol-Gel Synthesis of Ultra Small Persistent Luminescence Nanoparticles for Near-Infrared In Vivo Imaging %+ Unité de Technologies Chimiques et Biologiques pour la Santé (UTCBS - UM 4 (UMR 8258 / U1022)) %+ Chimie, Structures et Propriétés de Biomatériaux et d'Agents Thérapeutiques (CSPBAT) %+ UPRES EA 3410 %+ Laboratoire Matériaux et Phénomènes Quantiques (MPQ (UMR_7162)) %A Teston, Eliott %A Richard, Sophie %A Maldiney, Thomas %A Lievre, Nicole %A Wang, Guillaume Yangshu %A Motte, Laurence %A Richard, Cyrille %A Lalatonne, Yoann %< avec comité de lecture %@ 0947-6539 %J Chemistry - A European Journal %I Wiley-VCH Verlag %V 21 %N 20 %P 7350-7354 %8 2015 %D 2015 %R 10.1002/chem.201406599 %K IRON-OXIDE NANOPARTICLES %K CONTRAST AGENTS %K LIVING CELLS %K RED %K NANOCRYSTALS %K FUNCTIONALIZATION %K NANOPROBE %K CHEMISTRY %K BEHAVIOR %K LIGHT %Z Engineering Sciences [physics]/Materials %Z Life Sciences [q-bio]/Bioengineering/ImagingJournal articles %X Ultra-small ZnGa2O4:Cr3+ nanoparticles (6 nm) that exhibit near-infrared (NIR) persistent luminescence properties are synthesized by using a non-aqueous sol-gel method assisted by microwave irradiation. The nanoparticles are pegylated, leading to highly stable dispersions under physiological conditions. Preliminary in vivo studies show the high potential for these ultra-small ZnGa2O4:Cr3+ nanoparticles to be used as in vivo optical nanotools as they emit without the need for in situ excitation and, thus, avoid the autofluorescence of tissues. %G English %L hal-03290588 %U https://cnrs.hal.science/hal-03290588 %~ UNIV-PARIS13 %~ CNRS %~ INC-CNRS %~ CSPBAT %~ SORBONNE-PARIS-NORD %~ UNIV-PARIS %~ UP-SANTE %~ UP-SCIENCES %~ MPQ %~ UTCBS %~ TEST2-HALCNRS