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Pentadecylic acid, also known as pentadecanoic acid or C15:0, is an odd-chain saturated fatty acid. Its molecular formula is CH 3 (CH 2) 13 CO 2 H. It is a colorless solid. A laboratory preparation involves permanganate oxidation of 1-hexadecene (CH 3 (CH 2) 13 CH=CH 2). [2] It is one of the most common odd-chain fatty acids, although it is ...
[2] [5] [4] [13] [14] However, the aPTT-based APC resistance test is much less sensitive to the procoagulatory effects of estrogens than is the ETP-based test. [ 13 ] [ 14 ] [ 5 ] [ 4 ] [ 2 ] [ 15 ] Pregnancy [ 7 ] and ethinylestradiol (EE)-containing combined birth control pills increase APC resistance as measured by either the aPTT- or ETP ...
Activated clotting time (ACT), also known as activated coagulation time, is a test of coagulation. [1] [2]The ACT test can be used to monitor anticoagulation effects, such as from high-dose heparin before, during, and shortly after procedures that require intense anticoagulant administration, such as cardiac bypass, interventional cardiology, thrombolysis, extra-corporeal membrane oxygenation ...
Kaolin clotting time (KCT) is a sensitive test to detect lupus anticoagulants. [2] There is evidence that suggests it is the most sensitive test for detecting lupus anticoagulants. [3] It can also detect factor VIII inhibitors but is sensitive to unfractionated heparin as well. [4]
The partial thromboplastin time (PTT), also known as the activated partial thromboplastin time (aPTT or APTT), is a blood test that characterizes coagulation of the blood.A historical name for this measure is the Kaolin-cephalin clotting time (KCCT), [1] reflecting kaolin and cephalin as materials historically used in the test.
Protein C Anticoagulant Pathway: Thrombin escaping from a site of vascular injury binds to its receptor thrombomodulin (TM) on the intact cell surface. As a result, thrombin loses its procoagulant properties and instead becomes a potent activator of protein C. Activated protein C (APC) functions as a circulating anticoagulant, which ...
Russell's viper, Daboia russelii Dilute Russell's viper venom time (dRVVT) is a laboratory test often used for detection of lupus anticoagulant (LA). It is an assessment of the time for blood to clot in the presence of a diluted amount of venom from Russell's viper (Daboia russelii), a highly venomous snake native to the Indian subcontinent and named after the herpetologist Patrick Russell.
A coagulation blood test is used to measure and determine the blood's ability to clot and how fast it takes to clot, indicating the presence of lupus anticoagulant in the blood. An enzyme-linked immunosorbent assay (ELISA) test is done to detect anticardiolipin antibodies' presence in the blood. [9]