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RETROSCREEN HIV is a rapid, qualitative, lateral flow immunochromatographic assay for the differential detection of total antibodies (IgG, IgM, IgA) to HIV-1 and HIV-2 in human serum or plasma samples. The test is ideal for screening, diagnostic labs, hospitals, and blood banks, providing quick and reliable results.

Principle:
The test uses a two-site sandwich lateral flow format:

• Sample antibodies to HIV-1 or HIV-2 bind to colloidal gold-labeled HIV antigens, forming immune complexes.

• These complexes migrate and are captured by HIV-1 and HIV-2 antigens immobilized at separate test regions, producing visible lines at the T1 (HIV-1) and T2 (HIV-2) regions.

• A Control (C) line, coated with rabbit globulin, confirms proper test performance.

Performance:

• Sensitivity: 100%

• Specificity: 100%

• Assay time: 15 minutes

Reagents & Components:

• Membrane assembly pre-dispensed with highly specific HIV-1 & HIV-2 antigens–colloidal gold conjugate

• Rabbit IgG conjugated to colloidal gold

• Sample running buffer

• Individually pouched test devices

Storage & Stability:

• Store at 4–30°C

• Shelf life: 2 years

Presentation Pack (Cat. No.):

• 25 Tests – 402030025

• 50 Tests – 402030050

Key Features & Benefits:
✔ Rapid detection of HIV-1 and HIV-2 antibodies simultaneously
✔ Differential identification of HIV-1 vs HIV-2
✔ Easy-to-use lateral flow format
✔ High sensitivity and specificity ensure reliable screening
✔ Suitable for point-of-care, clinical labs, and blood bank testing