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One Step HIV1/2/O Tri-Line Rapid Test Cassette (W/S/P)
Cat. No.: RH0202I
The HIV-1/2 Rapid Screen Test (RST) is a qualitative test for the detection of antibodies to Human Immunodeficiency Virus type 1 and 2(HIV-1/2) in human serum/plasma and whole blood. It is considered as an initial screening test for HIV-1/2 antibodies. All positive specimens must be confirmed with Western Blot or other qualified EIA.
SUMMARY AND EXPLANATION OF THE TEST
It has been shown that the acquired immunodeficiency syndrome (AIDS) is caused by viruses transmitted by sexual contact, transfusion, use of contaminated blood products and sharing contaminated needles. HIV-1 and HIV-2 viruses have been isolated from patients with AIDS and AIDS-related complex (ARC), high-risk persons for AIDS. HIV-1 and HIV-2 viruses delete T helper cells, a subpopulation of T cells for body defense, thus causing AIDS patients susceptible to opportunistic infections and developing malignant tumors. The incidence of specific antibodies to HIV-1/2 is high in AIDS, ARC and persons with high risk for AIDS. The HIV-1/2 Rapid Screen Test is designed to detect antibodies to HIV-1/2 in AIDS patients, ARC or high risk persons and identify any potential donors carrying these antibodies in serum specimens.
HIV-1/2 RST is a chromatographic immunoassay (CIA) for the detection of antibodies to HIV-1/2 in human serum/plasma and whole blood. HIV-1/2 specific antigens are precoated onto membrane as a capture reagent on the test region. During the test, specimen is allowed to react with the colloidal gold particles, which have been labeled with HIV-1/2 specific antigens. Antibodies to HIV-1/2, if present, a red colored band will develop on the membrane in proportion to the amount of HIV-1/2 antibodies present in the specimen. Absence of this red colored band in the test region suggests a negative result. To serve as a procedural control, red colored band in the control region will always appear regardless the presence of antibodies to HIV-1/2.
1. One pouched cassette with desiccant.
2. Blood diluent in a dropper bottle, stored at 2-8°C.
3. One piece of operating instruction.
MATERIALS NOT PROVIDED BUT REQUIRED
SPECIMEN COLLECTION AND PREPARATION
Fingerstick Specimens(Whole Blood)
Add 1 drop (1 drop = 35µl) of sample (whole blood/serum/plasma) into the sample well. After all samples completely absorbed, add 1 drop of diluent. Observe the result in 5-15 minutes.
An internal procedural control is included in the test. red line will appears in the control region (C).
INTERPRETATION OF RESULTS
Negative: No apparent band in the test region (1 and 2), Only one red band appears in the control region (C). This indicates that no HIV1/2 antibodies have been detected.
Positive: In addition to the band in the control region (C), other one or two red bands will appear in the test region (1 and 2). This indicates that the specimen contains HIV1/2 antibodies.
Invalid: If no band appears in the control region(C), regardless of the presence or absence of line in the test region (T). It indicates a possible error in performing the test. The test should be repeated using a new device
STORAGE AND STABILITY
Store HIV-1/2 Rapid Screen Test at temperature ranges 4-30 °C in the sealed pouch. Refer to the expiration date for stability. Do not freeze.
1. The test is to be used for the qualitative detection of antibodies to HIV.
1. Centers for Disease control: Provisional Public Health Service inter-agency recommendations for screening donated blood and plasma for antibody to the virus causing acquired immunodeficiency syndrome. Morbidity and Mortality Weekly Rep 34: 5-7, 1985.
2. Coffin J, Haase A, Levy JA, et al: What to call the AIDS virus? Nature 321: 10, 1986
3. Popovic, M., et al: Detection isolation and continuous production of Cytopathic Retroviruses (HTLV.Ⅲ) from patients with AIDS and pre-AIDS. Science 1984; 224:497
4. Carison, J. R. et al: AIDS serology testing in low and high risk groups.JAMA1985; 253:3405
5. Centers for Disease contro,Update on Acquired Immune Deficiency Syndrome(AIDS)MMWR 1982; 31:507
6. Gallo, RC, et al: Frequent detection and isolation of Cytopathic Retroviruses (HTLV.Ⅲ) from patients with AIDS and a risk for AIDS.Science.1984; 224:500
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