DiaSpot Syphilis Ab Rapid Test


Syphilis Ab Rapid Test Cassette (Whole Blood/Serum/Plasma) is a rapid, serological, immunochromatographic assay for the qualitative detection of antibodies (IgG, IgM and IgA) to Treponema Pallidum (TP) in human whole blood, serum or plasma. It is intended to be used as a screening test and as an aid in the diagnosis of infection with TP . Any reactive specimen with the Syphilis Ab Rapid Test Cassette must be confirmed with alternative testing method(s) and clinical findings


Treponema pallidum (TP) is a spirochete bacterium and the causative agent of the venereal disease syphilis.1 Its natural course presents in three stages: primary, secondary and tertiary or late syphilis with long periods of latency or inactive disease.2 Primary syphilis infection is defined by the presence of a chancre at the site of inoculation. The antibody response to the T. pallidum bacterium can be detected within 4 to 7 days after the chancre appears and remains detectable until the patient receives adequate treatment.3 The Syphilis Ab Rapid Test Cassette uses a combination of syphilis antigen-colloidal gold conjugate and immobilized syphilis antigen to detect T. pallidum antibodies (IgG ,IgM and IgA) qualitatively and selectively in whole blood, serum or plasma

The Syphilis Ab Rapid Test Cassette (Whole Blood/Serum/Plasma) is a lateral flow chromatographic immunoassay based on the principle of the double antigen–sandwich technique. In this test , syphilis recombinant antigen is immobilized in the test line region of the strip in test device.After specimen is added to the specimen well of the device, it reacts with syphilis recombinant antigen coated particles in the test. This mixture migrates chromatographically along the length of the test strip and interacts with the immobilized syphilis antigens. If the specimen contains syphilis antibodies, a colored line will appear in the test line region indicating a positive result.If the specimen does not contain syphilis antibodies, a colored line will not appear in this region, indicating a negative result. To serve as a procedural control, a colored line will always appear in the control line region, indicating that proper volume of specimen has been added and membrane wicking has occurred


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