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Keywords:

  • optical imaging;
  • quantum dots;
  • radiation luminescence;
  • semiconductor nanocrystals
Thumbnail image of graphical abstract

A new method to illuminate quantum dots (QDs) by radiation luminescence as an internal light source is reported. The excited QDs can produce fluorescence for both in vitro and in vivo imaging. This study provides an alternate strategy for the design of self-illuminated optical imaging agents. Radiation-luminescence-excited QDs can also be readily adapted for dual-modality imaging.