Upconversion nanoparticles and their composite nanostructures for biomedical imaging and cancer therapy.

@article{Cheng2013UpconversionNA,
  title={Upconversion nanoparticles and their composite nanostructures for biomedical imaging and cancer therapy.},
  author={Liang Cheng and Chao Wang and Zhuang Liu},
  journal={Nanoscale},
  year={2013},
  volume={5 1},
  pages={
          23-37
        }
}
Upconversion nanoparticles (UCNPs), particularly lanthanide-doped nanocrystals, which emit high energy photons under excitation by the near-infrared (NIR) light, have found potential applications in many different fields, including biomedicine. Compared with traditional down-conversion fluorescence imaging, the NIR light excited upconversion luminescence (UCL) imaging relying on UCNPs exhibits improved tissue penetration depth, higher photochemical stability, and is free of auto-fluorescence… CONTINUE READING
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