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Keywords:

  • gadolinium;
  • imaging agents;
  • magnetic resonance imaging;
  • nanostructures;
  • silicon
Thumbnail image of graphical abstract

Lighting things up: Multifunctional silica nanoparticles containing a luminescent core and a paramagnetic coat are prepared, and their utility as multimodal imaging probes is demonstrated in vitro. Monocyte cells can be labeled with the hybrid nanoparticles with greater than 98 % efficiency and do not experience measurable toxicity even at a high loading of 0.123 mg per 5000 cells.