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1996-03-30
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Document 0940
DOCN M9650940
TI Evaluation of a dipstick method for the detection of human
immunodeficiency virus infection.
DT 9505
AU Beristain CN; Rojkin LF; Lorenzo LE; Research and Biotechnology Center,
Rosario, Argentina.
SO J Clin Lab Anal. 1995;9(6):347-50. Unique Identifier : AIDSLINE
MED/96159704
AB Serology has been a fundamental tool to prevent post-transfusional
infection with human immunodeficiency virus (HIV) and for
epidemiological surveys, the first step to attempt control of the
pandemia. Enzyme immunoassay is in widespread use. Nevertheless, simpler
methods are needed in many countries, where laboratory facilities and
trained personnel are limited, and HIV prevalence is high. The
evaluation of a simple and noninstrumented HIV antibody test is
presented here. The test employs synthetic antigens of HIV-1 and HIV-2
attached to the teeth of a polystyrene comb, which fit into the wells of
standard microtiter plates where samples are diluted. Captured
antibodies are developed with colloidal gold-labeled Protein A. Three
seroconversion panels plus 662 samples were tested, including HIV-1 and
HIV-2-infected individuals, normal blood donors, and a noninfected baby
born to a seroreactive mother. When compared with enzyme-linked
immunosorbent assay (ELISA) and Western blot, the dipstick showed 100%
sensitivity and 98.7% specificity. The simplicity of result evaluations
and excellent reagent stability make the dipstick suitable for small
blood banks and for epidemiological surveys.
DE Amino Acid Sequence AIDS Serodiagnosis/*METHODS Blotting, Western
Comparative Study Disease Transmission, Vertical Enzyme-Linked
Immunosorbent Assay Evaluation Studies Female Human HIV
Antibodies/*BLOOD HIV Antigens/GENETICS HIV
Infections/COMPLICATIONS/*DIAGNOSIS/TRANSMISSION HIV
Seropositivity/DIAGNOSIS HIV-1/IMMUNOLOGY HIV-2/IMMUNOLOGY Indicators
and Reagents Infant Infant, Newborn Maternal-Fetal Exchange
Molecular Sequence Data Pregnancy Pregnancy Complications, Infectious
JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).