IMMY CrAg Lateral Flow Assay

Prescription-use laboratory assay aids in the diagnosis of crytococcosis

Manufacturer: IMMY GLF065

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Catalog No. 22-122-321

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Required Accessories : Pipetter (40 and 80μL); timer; disposable micro-centrifuge tubes, test tubes or microtiter plate


    For Use With (Application) CrAg lateral flow assay
    Includes Glycine-buffered Saline containing blocking agents and a preservative
    Quantity 6.5mL
    Storage Requirements 22° to 25°C
    Product Type Cryptococcus Antigen LF Specimen Diluent

    Immochromatographic test system for qualitative or semi-quantitative detection of capsular antigens of Cryptococcus species complex in serum and cerebral spinal fluid.

    • No specimen treatment needed
    • 10-Minute total test time
    • High sensitivity and specificity — twice as fast, and with greater sensitivity, compared to latex agglutination
    Dipstick sandwich immunochromatographic assay
    • Specimens and specimen diluent are added into a test tube or other reservoir
    • Lateral flow device is placed into the reservoir
    • Specimen wicking captures gold-conjugated, anti-CrAg monoclonal antibodies and gold-conjugated control antibodies deposited on test membrane
    • CrAg present in the specimen binds to the gold-conjugated, anti-CrAg antibodies
    • Antibody-antigen complex continues to wick up the membrane and interacts with test line containg immobilized anti-CrAg monoclonal antibodies
    • Gold-labeled antibody-antigen complex forms a sandwich at the test line causing a visible line to form
    • Positive test results create two lines (test and control)
    • Negative test results form only one line (control)
    • Failed test exists if a control line fails to develop

    Assay Kit Content

    • 6.5mL LF Specimen Diluent: Glycine-buffered saline containing blocking agents and a preservative
    • Pack of 50 CrAg LF Test Strips in desiccant vial
    • 1mL CrAg Positive Control: Glycine- buffered saline spiked with cryptococcal antigen (strain 184A – clinical isolate from Tulane University (Infection & Immunity, June 1983, p. 1052-1059))
    • Package insert

    For optimal results, sterile nonhemolyzed serum should be used.

  • Description & Specifications

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