| 摘要 |
<p>Canada - #3836 The invention involves an improved method for detecting IgM antibody to hepatitis A virus. It is an improvement in a three-step assay for IgM antibody to hepatitis A virus wherein plastic beads are coated with anti-human IgM (.mu. chain specific) and are incubated successively with serum specimen, hepatitis A virus antigen and I125 labeled antibody to hepatitis A virus antigen; the improvement involves the pretreatment of the specimen or test sample with a dilute aqueous solution of hepatitis negative human serum, plasma, or IgG containing fraction thereof.</p> |
