Hydrophilic,Upconverting, Multicolor,Lanthanide‐Doped NaGdF4 Nanocrystals as Potential Multifunctional Bioprobes |
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| Authors: | Dr. Xiaomin Liu Ying Chen Tianyu Bai Long Wang Prof. Dr. Zhan Shi Prof. Dr. Shouhua Feng |
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| Affiliation: | 1. State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033 (P.R. China);2. Changchun Obstetrics and Gynecology Hospital, Changchun 130042 (P.R. China);3. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012 (P.R. China) |
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| Abstract: | Monodisperse water‐soluble hexagonal phase Ln3+‐doped NaGdF4 upconverting nanocrystals (UCNCs) have been successfully fabricated by means of a fast, facile, and environmentally friendly microwave‐assisted route with polyethylenimine as the surfactant. Fine‐tuning of the UC emission from visible to near‐IR and finally to white light has been achieved. Furthermore, studies of the magnetic resonance imaging as well as the magnetization (magnetization–magnetic field curves) and the targeted recognition properties of FA‐coupled amine‐functionalized NaGdF4@SiO2 UCNCs indicate that the obtained NaGdF4 UCNCs can be potential candidates for dual‐mode optical/magnetic bioapplications. |
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| Keywords: | imaging agents lanthanides luminescence nanostructures upconversion |
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