Indirect alkaline phosphatase immunoenzymatic staining for the detection of antibodies to Epstein-Barr virus-induced virus capsid antigens and early antigens.

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RESUMO

An indirect alkaline phosphatase immunoenzymatic staining technique was developed for the detection of antibodies against Epstein-Barr virus-induced virus capsid antigens and early antigens in cell smears. The presence of antibodies against Epstein-Barr virus-induced virus capsid antigens and early antigens was revealed by a dark blue staining of cells expressing the antigens. The alkaline phosphatase assay gave a permanent record of the reaction that could be visualized under an ordinary light microscope. The titers obtained with this assay on 91 serum samples were significantly correlated with the titers obtained with an immunofluorescence technique.

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