Article
A miniaturized assay for influenza neuraminidase‐inhibiting antibodies utilizing reverse genetics‐derived antigens
6 Jul 2009
Abstract excerpt
BACKGROUND: Antibodies to neuraminidase (NA) contribute to protection during influenza virus infection, but NA inhibition (NI) titers are not routinely analyzed in vaccine trials. One reason is the cumbersome nature of the conventional thiobarbituric acid (TBA) NI assay, which uses chemical methods to quantify free sialic acid following incubation of NA with substrate in the presence of serum. In addition, the...
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