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A one-step enzyme-linked immunosorbent assay to detect anti-CMV antibodies; development and clinical validation

par Wielaard, Frits;Scherders, Jan C M J.;Dagelinckx, Charles;Gausset, Philippe
Référence Journal of virological methods, 17, 1-2, page (141-148)
Publication Publié, 1987

Article révisé par les pairs

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Résumé :

A simple one-step ELISA to detect anti-CMV antibodies was developed. The test was based on the inhibition principle, and used anti-CMV coated microtitre plates, CMV nuclear antigen and anti-CMV Fab'-HRP conjugate; total assay time was 1.5 h. The use of Fab'-HRP conjugates improved discrimination between positive and negative sera as compared with IgG-HRP conjugates. In an in-house clinical study, the one-step ELISA showed a 98.4% correlation with the latex agglutination test. The test could be demonstrated to be suitable for both serum and citrate- or EDTA-plasma specimens; heparin-plasma gave somewhat higher absorbance values. In an external clinical validation, the one-step ELISA showed a 99.5% correlation with the latex agglutination test, and was found to be highly suitable for screening of blood donor specimens in a blood bank setting. © 1987.