Potentiophotometric Platelet Aggregation

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The potentiophotometer, an absorbance-reading colorimeter, incorporates a unique but simple circuit which provides a signal voltage directly proportional to concentration. The device was modified to measure the turbidity change affected by platelet aggregation. The results indicated advantages of both simplicity of operation and more definitive characterization of platelet aggregation effects as compared with conventinal devices which record in transmittance.

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