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Biocompatible nano rare earth oxide upconverters for imaging and therapeutics

  • US 9,127,202 B1
  • Filed: 07/17/2009
  • Issued: 09/08/2015
  • Est. Priority Date: 07/18/2008
  • Status: Active Grant
First Claim
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1. An up conversion nano ceria for site selective drug delivery and treatment of disease consisting essentially of:

  • a water dispersible non toxic up conversion nano ceria consisting essentially of;

    a cerium oxide nanoparticle doped with Yb ions and at least one of an upconverting Ho, Tm, and Pr ion to form up conversion nanoceria emitters that absorb infrared light and emit a red, a green or a blue light through the process of up conversion.

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