A sandwich enzyme-linked immunosorbent assay to detect staphylococcal enterotoxin B was developed using rat monoclonal antibodies as capture antibodies and as a biotinylated conjugate. This test was sensitive, less than 1 ng/ml of enterotoxin B was detected and interference by protein A was prevented by the use of rat monoclonal antibodies of the IgG2a isotype which were insensitive to protein A even at concentrations greater than 1000 ng/ml.
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| http://dx.doi.org/10.1111/j.1472-765x.1991.tb00601.x | DOI Listing |
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