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FLUORESCENT SILICA-BASED NANOPARTICLES

  • US 20130039848A1
  • Filed: 07/02/2010
  • Published: 02/14/2013
  • Est. Priority Date: 07/02/2009
  • Status: Active Grant
First Claim
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1. A fluorescent silica-based nanoparticle comprising:

  • a silica-based core comprising a fluorescent compound positioned within the silica-based core;

    a silica shell surrounding at least a portion of the core;

    an organic polymer attached to the nanoparticle;

    from about 1 to about 20 ligands attached to the nanoparticle; and

    a contrast agent or a chelate attached to the nanoparticle.

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