HIV Tri Dot Test is a gold-standard, rapid diagnostic kit widely recognized across India for its exceptional accuracy in detecting and differentiating antibodies to HIV-1 and HIV-2 in human serum or plasma. A fundamental tool for blood banks, hospital emergency rooms, voluntary counseling and testing centers (VCTC), and diagnostic laboratories, this professional screening kit plays a critical role in public health. By offering early and definitive differentiation between the two main strains of the virus, it helps healthcare providers make informed clinical decisions and map out highly targeted patient management pathways.

Designed exclusively for professional healthcare environments, this visual rapid test operates on an advanced flow-through immunofiltration technology, setting it apart from standard lateral flow cassettes. The testing device features a unique dot-matrix membrane pre-coated with distinct synthetic peptide antigens for HIV-1 and HIV-2, alongside a built-in quality control spot. When a sample is applied, it filters vertically through the membrane, yielding crisp, unmistakable dot formations in less than 5 minutes. This lightning-fast processing time is invaluable for emergency trauma surgeries, blood transfusion screenings, and high-volume clinical labs where time is of the essence.

Key Benefits:

Precise Strain Differentiation: Accurately distinguishes between HIV-1 and HIV-2 antibodies on a single testing device, aiding in precise clinical evaluations.
Rapid Flow-Through Technology: Utilizes an advanced vertical filtration mechanism that delivers definitive visual results in under 5 minutes.
Superior Clinical Accuracy: Formulated with high-purity synthetic peptide antigens, ensuring excellent sensitivity and specificity that conforms to stringent healthcare standards.
Built-in Quality Assurance: Includes an integrated Control Dot on every device to confirm the test fluid has migrated successfully and the reagents are active.
Easy Visual Interpretation: Results appear as highly distinct, sharp dots, minimizing ambiguity and reading errors for laboratory personnel.

How to Use ( Tri Dot Test )

Step 1: Preparation: Bring the HIV Tri Dot device, wash buffer, protein-A conjugate, and the patient's serum or plasma sample to room temperature before beginning.
Step 2: Add the Wash Buffer: Place the test device on a flat surface and add the specified drops of wash buffer to the center of the membrane to wet it, allowing it to absorb completely.
Step 3: Apply the Patient Sample: Pipette the recommended microliter volume of the patient's serum or plasma sample directly onto the center of the membrane.
Step 4: Apply Conjugate and Wash: Add the specified drops of the Protein-A conjugate solution, let it absorb, and then follow up with a final round of wash buffer drops to clear any unbound elements.
Step 5: Read the Dots Immediately: Observe the membrane immediately after the final buffer has completely soaked through. Check for the appearance of the control dot and the specific HIV-1 or HIV-2 test dots as outlined in the reference manual.

Safety & Clinical Information:

For Professional Diagnostic Use Only: This kit is engineered strictly for in vitro screening by qualified medical professionals and laboratory technicians. It is not suitable for home self-testing.
Preliminary Screening Test: The HIV Tri Dot test serves as a highly reliable preliminary screening tool. In accordance with national guidelines, any reactive result must be confirmed using a series of secondary confirmatory strategies (such as Western Blot or PCR assays).
Strict Biohazard Controls: Treat all human blood derivatives and used test components as potentially infectious hazards. Always wear protective gloves and dispose of devices, pipettes, and tubes in designated biohazard medical waste containers.
Storage Protocol: Store the kit and its liquid reagents in a refrigerator between 2°C and 8°C. Do not freeze the components, and keep the kit away from direct sunlight or ambient heat.

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