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Abstract
UROKINASE IS EXTRACTED FROM HUMAN URINE BY PASSING THE VOIDED URINE DIRECTLY THROUGH AN ABSORBENT THAT IS PLACED IN A TRAY IN THE MALE URINAL. THE PASSAGE OF THE VOIDED URINE THROUGH THE ABSORBENT CONTAINED IN SUCH A FILTERING DEVICE IN THE URINAL ALLOWS THE DIRECT ABSORPTION OF THE ENZYME ACTIVATOR, UROKINASE, ONTO THE ABSORBENT WITHOUT COLLECTING BULK URINE; AND THE SYSTEM ALLOWS THE PASSAGE OF THE ABSORBED URINE (FREED OF ITS UROKINASE) OF FLOW DIRECTLY INTO THE SEWER SYSTEM. THE ABSORBENTS USED IN THIS SYSTEM ARE: FLORISIL, CHARCOAL, ALUMINUM OXIDE, DENATURED HUMAN PROTEINS EMBEDDED IN A SILASTIC MATRIX. THE UROKINASE IS SOLUBILIZED FROM THESE ABSORBENTS AND FURTHER PURIFIED. UROKINASE IS REMOVED FROM FLORISIL, CHARCOAL AND ALUMINUM OXIDE BY COLD WEAK ACID SATURATED WITH ETHYL METHYL KETONE. UROKINASE IS REMOVED FROM THE SILASTIC EMBEDDED ABSORBENTS, DENATURED HUMAN PROTEINS.
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