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J Clin Microbiol. 1990 March; 28(3): 573-579

Detection of immunoglobulins G and M to rubella virus by time-resolved immunofluorometry.

CyberFluor Inc., Toronto, Ontario, Canada.

ABSTRACT

We describe new methods for the detection of immunoglobulin G (IgG) and IgM rubella-specific antibodies in serum. The IgG assay was based on a solid-phase rubella antigen immobilization approach, and the IgM assay was based on the IgM capture assay principle. Both assays used biotinylated antibodies (anti-human IgG and antirubella monoclonal antibody, respectively). The tracer system was based on streptavidin labeled with a fluorescent europium chelate. The final measurements were done by using time-resolved fluorescence. Both assays were thoroughly evaluated with clinical samples and compared successfully with established techniques. We anticipate that these assays are suitable for routine clinical use.