International Technidyne Corporation

Frank M La Duca

Eduardo I Marcelino

An activated partial thromboplastin time (APTT) test is described which does not require blood which has been anticoagulated with citrate. The test enables the citrate anticoagulant step to be combined with the contact activation step and hence enables one to employ fresh non-anticoagulated blood specimens to directly perform the APTT Test.

Whole blood activated partial thromboplastin time test and associated

A cocktail reagent preparation for the rapid production of serum contains thrombin, snake venom, and protamine sulfate. The preparation employs very small quantities of clot promoting substances which behave in a synergistic manner such that rapid clotting of highly heparinized blood is achieved without altering the chemical analysis of the blood enzymes, proteins, sugars, or electrolytes. Thus, clinicians who rely upon the results of such tests can more closely monitor organ and tissue function and adjust patient therapies accordingly.

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East Brunswick, NJ, United States of America

Frank M La Duca