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It is for activated partial thromboplastin time testing
it is a liquid cephalin with ellagic acid as the contact activator.
Principle
Activate factor and factor with activator, brain phospholipid instead of platelet provide coagulation catalyzing surface, calcium ions participate in this course , then observe the platelet plasma clotting time , which is APTT. If deficiencies in the intrinsic pathway, clotting time will be prolonged and proportional with deficiency of odd factors.
Clinical application
It is used to monitor deficiency of intrinsic factor VIII, IX, XI and XII, also used to screen low molecular weight heparin therapy as well as lupus anticoagulant.
Storage
It has a 2 year shelf life when stored at 2~8.
It is stored at 2~8 for 30 days after opening.
Packing requirment
1301001Y 10Ã1ml(100T)
1301002Y 10Ã2ml(200T)
1301005Y 10Ã5ml(500T)