chromogenic assay


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chromogenic assay

Any laboratory test that relies on the change in color of a reagent to indicate its presence.
See also: assay
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The anti-Xa assay is an automated ready-to-use, calibrated chromogenic assay, which works by adding a citrated patient plasma sample to a mixture of buffer, chromogenic substrate, and excess factor Xa.
Current anticoagulation monitoring and measurement practices
Background: The chromogenic assay based on MTT bioreduction was adapted to Proteus mirabilis viability estimations.
Interferences in the optimization of the MTT assay for viability estimation of Proteus mirabilis
The detection of chromogenic assay was based on the absorbance (optical density O.D.) of monochromatic (405 nm) light.
ANTITHROMBIN III AS MARKER OF FIBROSIS IN CHRONIC HEPATITIS C
For measurement of rivaroxaban concentrations, an anti-Factor Xa chromogenic assay is regarded as a suitable.
Rivaroxaban and hemostasis in emergency care
An optimised, rapid chromogenic assay, specific for measuring direct factor Xa inhibitors (rivaroxaban) in plasma.
The laboratory and the new oral anticoagulants
Contribution of (1 [right arrow] 3)-beta-D-glucan chromogenic assay to diagnosis and therapeutic monitoring of invasive aspergillosis in neutropenic adult patients: a comparison with serial screening for circulating galactomannan.
Two non-invasive diagnostic tools for invasive aspergilosis: (1-3)-[beta]-D-Glucan and the galactomannan assay
All patients who had been on heparin within 12 hours of labor were given a heparin test, consisting of an anti-Xa chromogenic assay.
Give heparin test before neuraxial anesthesia for patients with factor V Leiden mutations. (ASRA is Revising Guidelines)

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