Product Description

Intended Use

Tuberculosis IgG/IgM Rapid Detection Kit (Colloidal Gold Method) is a lateral flow immunoassay for the qualitative detection of IgG/IgM-class antibodies to Tuberculosis in serum, plasma or whole blood samples. It is intended to be used as a screening test and provides a preliminary test result for early diagnosis and management of patients related to infection with Tuberculosis.

Any interpretation or use of this preliminary test result must also rely on other clinical findings as well as on the professional judgment of health care providers. Alternative test method(s) should be combined to confirm the test result obtained by this device.

Summary And Explanation OF The Test

Tuberculosis is a chronic infectious disease caused by Mycobacterium tuberculosis infection with an incubation period of 4 to 8 weeks, 80% of which occur in the lungs. The disease is mainly transmitted through the respiratory tract. When the patient coughs, sneezes, speaks loudly or spit, the droplets with Mycobacterium tuberculosis are excreted from the body, forming microscopic droplets that float in the air and are inhaled by others to cause infection.

Reagents And Materials Supplied
Model:Ag, IgM, IgG, IgM/IgG,IgM and IgG, Ag and IgM/IgG,Ag and IgM and IgG
Materials Provided:

TEST PRINCIPLE
This kit adopts colloidal gold-immunochromatography assay (GICA).
The test card contains:
1. Colloidal gold-labeled antigen and quality control antibody complex.
2. Nitrocellulose membranes immobilized with two test lines (IgG line and IgM line) and one quality control line (C line).
When an appropriate amount of sample is added to the sample well of the test card, the sample will move forward along the test card under capillary action.

If the sample contains an IgG/IgM antibody of Tuberculosis, the antibody will bind to the colloidal gold-labeled Tuberculosis antigen, and the immune complex will be captured by the monoclonal anti-human IgG/IgM antibody immobilized on the nitrocellulose membrane to form a purple/red T line , showing that the sample is positive for IgG/IgM antibody.

Test Procedure

Step1: Allow the test device, buffer, specimen to equilibrate to room temperature (15-30℃) prior to testing.
Step2: Remove the test device from the sealed pouch. Place the test device on a clean, flat surface.
Step3: Label the device with specimen number.
Step4: Using a Disposable Dropper, transfer serum, plasma or whole blood. Hold the dropper vertically and transfer 1 drop of specimen (approximately 10μl) to the specimen well(S) of the test device, and immediately add 2 drops of test buffer (approximately 70-100μl). Make sure there are no air bubbles.
Step5: Set up a timer. Read the results in 15 minutes.
Do not interpret the result after 20 minutes. To avoid confusion, discard the test device after interpreting the result. If you need to store it for a long time, please take a photo of the result.

Results

NEGATIVE:

If only the quality control line C appears, and the test lines M and G are not purple/red, it indicates that no antibody is detected, and the result is negative.

POSITIVE:

IgM positive: If both the quality control line C and the test line M appear purple/red, it indicates that the IgM antibody is detected, and the result is positive for IgM antibody.

IgG positive: If both the quality control line C and the test line G appear purple/red, it indicates that the IgG antibody is detected, and the result is positive for IgG antibody.

IgM and IgG positive: If the quality control line C and the test lines M and G all appear purple/red, it indicates that the IgM and IgG antibodies are detected, and the result is positive for both IgM and IgG antibodies.

INVALID:

If the quality control line C is not displayed, the test result is invalid regardless of whether there is a purple/red test line, and it should be tested again.

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