Radionuclide-Chitosan Complex Having an Improved Stablilized Gelatin in Administering Them to the Body and Their Preparation Method
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United States of America Patent
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Issued Date -
Jul 10, 2008
app pub date -
Dec 1, 2005
filing date -
Dec 1, 2004
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Abstract
The present invention relates to a radionuclide-chitosan complex solution and its preparation method, and more particularly to the radionuclide-chitosan complex solution having a viscosity of 300.about.2,400 cps, comprising an aqueous chitosan solution or a freeze-dried chitosan labeled with a radionuclide. The radionuclide-chitosan complex solution according to the present invention has a stable gelation state at a target region when injected into the body while maintaining a labeling yield of radioisotope to chitosan above 99%. Side effects may be minimized and treatment efficiency may be increased when injected to a patient.
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