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Compositions for delivery of therapeutics and other materials

  • US 8,277,776 B2
  • Filed: 11/24/2009
  • Issued: 10/02/2012
  • Est. Priority Date: 02/27/2002
  • Status: Active Grant
First Claim
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1. A method of delivering an active agent to a target site comprising administering a composition to a subject, the composition comprising:

  • a first molecule comprising;

    a first hydrophobic group comprising a first metal binding domain (FMBD);

    a metal ion chelated to the FMBD; and

    an active agent comprising a second MBD (SMBD) coordinately bonded to said metal ion; and

    a second molecule comprising;

    a second hydrophobic group; and

    a first hydrophilic group covalently linked to the second hydrophobic group;

    wherein after administration of the composition to said subject, the active agent is released in a sustained manner.

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