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- Title
Hydrophilic, Upconverting, Multicolor, Lanthanide-Doped NaGdF<sub>4</sub> Nanocrystals as Potential Multifunctional Bioprobes.
- Authors
Li, Feifei; Li, Chunguang; Liu, Xiaomin; Chen, Ying; Bai, Tianyu; Wang, Long; Shi, Zhan; Feng, Shouhua
- 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.
- Publication
Chemistry - A European Journal, 2012, Vol 18, Issue 37, p11641
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.201201309