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Cipangopaludina cahayensis fibrinolytic protease assessments. A total of 8 labeled halos are shown representing the crude fibrolytic proteins obtained through desalting in different concentrations of ammonium sulfate: NO.1 and 6 60% CFP, 2 and 7 80% CFP, 3 and 8 100% CFP, 4 80U·mL-1 UK (positive control), 5 0.05M Tris-HCl (negative control).
