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1 Division of Pharmacology, Food and Drug Administration, Department of Health, Education and Welfare, Washington 55, D. C.
The correlation between polyvinylpyrrolidone storage in the reticulo-endothelial system and functional activity of that system has been examined using radioactive chromic phosphate. Polyvinylpyrrolidone was shown to depress the rate of phagocytosis of the colloid. It also caused a change in the distribution of the chromic phosphate among the organs of the reticuloendothelial system with more taken up by the lungs and less by the spleens of those animals treated with polyvinylpyrrolidone.
Submitted on May 7, 1956