Protein particles for therapeutic and diagnostic use
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United States of America Patent
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app pub date -
Jan 8, 2002
filing date -
Jan 15, 1991
priority date (Note) -
Abandoned
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Abstract
Albumin particles in the nanometer and micrometer size range in an aqueous suspension are rendered stable against resolubilization without the aid of a cross-linking agent and witout denaturation, by the incorporation of a stabilizing agent in the particle composition. Stabilizing agents disclosed include reducing agents, oxdizing agents, hydrogen-accepting molecules, high molecular weight polymers, and sulfur-containing ring compounds. Also disclosed are fibrinogen-coated particles, cross-linked or non-cross-linked, and their use as co-aggregants with platelets and with themselves for purposes of shortening bleeding time and enhancing the effect of thrombin.
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