assay

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assay

noun analysis, ascertainment, assessment, breakdown, calculation, computation, diagnosis, experiment, exploration, measurement, probation, probe, test, test case, verification

assay

verb analyze, ascertain, assess, calculate, commute, diagnose, endeavor, evaluate, experiment, measure, research, test, try, verify, weigh

ASSAY. A chemical examination of metals, by which the quantity of valuable or precious metal contained in any mineral or metallic mixture is ascertained. 2. By the acts of Congress of March 3, 1823, 3 Story's L. U. S. 1924; of June 25, 1834, 4 Shars. cont. Story's L. U. S. 2373; and of June 28, 1834, Id. 2377, it is made the duty of the secretary of the treasury to cause assays to be made at the mint of the United States, of certain coins made current by the said acts, and to make report of the result thereof to congress.

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Results indicated all patients monitored with the anti-Xa assay were within therapeutic range 8 hours faster and required 0.

Which lab test is best to monitor heparin therapy? What the evidence says

All anti-Xa assays were performed using rivaroxaban calibrators.

Comparison of Anti-Xa and Dilute Russell Viper Venom Time Assays in Quantifying Drug Levels in Patients on Therapeutic Doses of Rivaroxaban

Instead, calibrated TT and anti-Xa assays offer specific and accurate concentration monitoring under special situations.

Laboratory assessment of novel oral anticoagulants: method suitability and variability between coagulation laboratories

All samples for which anti-Xa assay and antithrombin activity were performed simultaneously with free Hb and bilirubin determination from inpatients on ECMO receiving intravenous UH were extracted from the clinical patient database together with the daily infused dose of UH.

The Influence of Free Hemoglobin and Bilirubin on Heparin Monitoring by Activated Partial Thromboplastin Time and Anti-Xa Assay

To confirm the heparin concentration, heparin was also measured with an anti-Xa assay on the MDA (BioMerieux).

Comparison of five thrombin time reagents

The correlations between clotting time values and actual heparin concentrations as determined by the anti-Xa assay were poor for each of the tests evaluated.

Evaluation of the TAS analyzer and the Low-Range Heparin Management Test in patients undergoing extracorporeal membrane oxygenation

Heparin concentrations determined with DNNS-based electrodes correlate well with those determined with the previously reported heparin sensor-based method [11, 14], the Hepcon assay, and the chromogenic anti-Xa assay (Table 1).

Improved protamine-sensitive membrane electrode for monitoring heparin concentrations in whole blood via protamine titration

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