Related Experiment Video
Updated: Jun 10, 2026
13:51
Synthesis of Core-shell Lanthanide-doped Upconversion Nanocrystals for Cellular Applications
Published on: November 10, 2017
Facile synthesis of lanthanide nanoparticles with paramagnetic, down- and up-conversion properties
1Division of Bioengineering, Faculty of Engineering, National University of Singapore, 7 Engineering Drive 1, Singapore.
Nanoscale
|July 22, 2010
Summary
Researchers developed versatile multifunctional lanthanide nanoparticles combining paramagnetic, down-conversion, and up-conversion properties. This novel material integrates lanthanide complexes within porous silica shells on up-conversion nanocrystals for advanced biomedical applications.
Area of Science:
- Biomedical research
- Materials science
- Nanotechnology
Background:
- Lanthanide materials are crucial in biomedical research.
- Paramagnetic, down-conversion, and up-conversion lanthanide nanoparticles are of significant interest.
- Developing single nanoparticles with combined properties remains a challenge.
Purpose of the Study:
- To create versatile multifunctional lanthanide nanoparticles.
- To combine paramagnetic, down-conversion, and up-conversion properties in one particle.
- To develop a facile strategy for synthesizing these nanoparticles.
Main Methods:
- Doping sensitized lanthanide complexes into porous silica.
- Coating porous silica onto up-conversion sodium yttrium fluoride (NaYF4) nanocrystals.
- Characterization of nanoparticle properties.
Main Results:
- Successful synthesis of multifunctional lanthanide nanoparticles.
- Demonstrated strong down-conversion and up-conversion fluorescence.
- Exhibited high magnetic resonance properties.
Conclusions:
- A facile strategy for creating multifunctional lanthanide nanoparticles was established.
- The developed nanoparticles possess combined optical and magnetic properties.
- These versatile nanoparticles hold promise for advanced biomedical applications.
