Increased sensitivity of the fluorescent treponemal antibody absorption test with biotin/avidin: a comparison with conventional FTA-ABS
Berntsson, E.
Acta Dermato-Venereologica 65(1): 89-91
1985
ISSN/ISBN: 0001-5555 PMID: 2578717 Document Number: 251086
The biotin/avidin system was adapted to the FTA technique for detection of IgG, IgM, and IgA antibodies specific to Treponema pallidum. By using biotin/avidin IgG antibodies could be detected in a serum dilution 15 000 times higher, and IgM 3 000 times higher than was possible with conventional FTA technique. IgA antibodies, however, were not detected with any of the methods.
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