Emulsions comprising nanoparticles formed from high boiling perfluorochemical substances, said particles coated with a lipid/surfactant coating are made target-specific by directly coupling said nanoparticles to a targeting ligand. The nanoparticles may further include biologically active agents, radionuclides, and/or other imaging agents.

 
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> Pharmaceutical and diagnostic compositions containing nanoparticles useful for treating targeted tissues and cells

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