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Contrast agents for NMR imaging

  • US 4,728,575 A
  • Filed: 04/10/1985
  • Issued: 03/01/1988
  • Est. Priority Date: 04/27/1984
  • Status: Expired due to Term
First Claim
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1. Magnetic resonance imaging contrast agents for scanning tissue comprising bilayer vesicles with paramagnetic material encapsulated therein, said vesicles formulated with an agent to promote vesicle stability for a sufficient time to allow biodistribution of said vesicles for scanning of said tissue and formulated to permit adequate water proton exchange across the vesicle bilayer to provide contrast for scanning said tissue.

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