H. Pylori Ab Combo Rapid Test
CTK Biotech, USA H. Pylori Ab Combo Rapid 30 Test
The OnSite H. pylori Ab Combo Rapid Test is a sandwich lateral flow chromatographic immunoassay for the qualitative detection of antibodies (IgG, IgM and IgA) against Helicobacter pylori (H. pylori) in human serum, plasma or whole blood.
This product features:
- Uses serum, plasma or whole blood specimen
- No need to avoid certain medications
- Non-invasive, easy to perform procedure
- Time to result is 15 minutes
Each kit contains:
- Individually sealed foil pouches containing:
- One cassette device
- One desiccant
- Plastic droppers
- Sample Diluent (5 mL/bottle)
- One package insert (instruction for use)
Relative Sensitivity: 86.7 % , Relative Speciﬁcity: 91%, Overall Agreement: 89.8%
TEST PRINCIPLE :
The OnSite H. pylori Ab Combo Rapid Test is a lateral flow chromatographic immunoassay based on the principle of the double-antigen sandwich technique. The test cassette consists of: 1) a burgundy colored conjugate pad containing H. pylori antigens including Cag-A conjugated with colloidal gold (H. pylori conjugates) and a control antibody conjugated with colloidal gold, and 2) a nitrocellulose membrane strip containing a test line (T line) and a control line (C line). The T line is pre-coated with non-conjugated H. pylori antigens, and the C line is pre-coated with a control line antibody.
When an adequate volume of test specimen is dispensed into the sample well of the cassette, the specimen migrates by capillary action across the cassette. Antibodies (IgG, IgM or IgA) to H. pylori, if present in the specimen, will bind to the H. pylori conjugates. The immunocomplex is then captured on the membrane by the pre-coated H. pylori antigens forming a burgundy colored T line, indicating a H. pylori Ab positive test result. Absence of the T line suggests a negative result.
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