D-Dimer Cardiac Detection Blood Rapid Qualitative Test Cassette

-INTRODUCTION
D-Dimer Rapid Test is used for the qualitative detection of D-dimer in human whole blood and plasma; The test is used as an aid in the assessment and evaluation of patients with suspected disseminated intravascular coagulation (DIC), deep vein thrombosis (DVT), and pulmonary embolism (PE).

During blood coagulation process, fibrinogen is converted to fibrin by the activation of thrombin. The resulting fibrin monomers polymerise to form a soluble gel of non-cross-linked fibrin. This fibrin gel is then converted to cross-linked fibrin by thrombin activated Factor XIII to form an insoluble fibrin clot. Production of plasmin, the major clot-lysing enzyme, is triggered when a fibrin clot is formed. Although fibrinogen and fibrin are both cleaved by the fibrinolytic enzyme plasmin to yield degradation products, only degradation products from cross-linked fibrin contain D-dimer and are called cross-linked fibrin degradation products. Therefore, fibrin derivatives in human blood or plasma containing D-dimer are a specific marker of fibrinolysis.

-PRINCIPLE
The D-Dimer Rapid Test (Whole blood//Plasma) detects D-Dimer through visual interpretation of color development in the internal strip. Anti-D-Dimer antibodies are immobilized on the test region of the membrane, and anti-mouse antibodies immobilized on the control region. During testing, the specimen reacts with anti-D-Dimer antibodies conjugated to colored particles and precoated onto the sample pad of the strip. The mixture then migrates through the membrane by capillary action and interacts with reagents on the membrane. If there is sufficient D-Dimer in the specimen, a colored band will form at the test region of the membrane. The presence of this colored band indicates a positive result, while its absence indicates a negative result. The appearance of a colored band at the control region serves as a procedural control, indicating that the proper volume of specimen has been added and membrane wicking has occurred.

-DETAILED PHOTO
Contents: Rapid Test Cassette with desiccant+Disposable pipettes+Buffer+Product insert
 

Bring tests, specimens, and/or controls to room temperature (15-30°C) before use.
1. Remove the test cassette from the sealed pouch and use it within one hour.
2. Place the cassette on a clean and level surface. Hold the dropper vertically and transfer 1 drop of sample to the specimen area, then add 1 drop of buffer,and start the timer. See illustration below.
3. Wait for the colored line(s) to appear. Read results at 15 minutes. Do not read results after 20 minutes.

4. Results Interpretation
POSITIVE: The presence of two lines as control line (C) and test line (T) within the result window indicates a positive result.
NEGATIVE: The presence of only control line (C) within the result window indicates a negative result.
INVALID: If the control line (C) is not visible within the result window after performing the test, the result is considered invalid.
 

-About us

Dewei Medical Equipment Co., Ltd. is a high-tech enterprise specialized in developing and marketing of Medical Consmuables like Colloidal Gold Rapid Test Kits, Clinical Laboratory analyzer and reagents, Hematology Analyzer and Reagents, Washing Solutions, Urine Sediment Reagents and DNA/RNA Preservation Kits.

Dewei products are widely used in hospital clinics, disease control centers, blood banks, veterinary clinics, scientific research center and college laboratories.

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