Using Piezoelectric Quartz Crystal to Study Hemorheological Phenomena: Blood Clotting and Urokinase Activated Fibrinolysis

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Abstract
A piezoelectric quartz crystal (PQC) was used to study hemorheological phenomena. On the basis of equivalent circuit parameters, the frequency response corresponding to the blood clotting was discussed. The results show that the response of PQC was dominated by viscosity change at the initial stage, and then by mass effect and surface stress. With PQC monitoring the change of coagulated plasma viscosity, the urokinase activated fibrinolysis was investigated.

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