[Production and testing of lyophilized standard preparation for diagnosis of Mycoplasma pneumoniae infection by the indirect hemagglutination test].
Voprosy virusologii(1978)
Abstract
A method for production of a reference lyophilized preparation for diagnosis of Mycoplasma pneumonia infections in the indirect hemagglutination (IHA) test has been developed. The method is based on conjugation using bi-diasotized benzidine of acrolein-treated sheep erythrocytes and ultrasonicated whole Mycoplasma antigen. After lyophilization the diagnostic preparation retained its standard properties for 1.5 years (the observation period). The sensitivity of the preparation in detection of antibody exceeded those of the CFT and the metabolism inhibition (MI) test 16--64-fold and the specificity was as good as in these tests. The diagnostic value of the preparation in the IHA was 78.1%, in the CFT--64.7%. As compared with the CFT and the MI test, the IHA with Mycoplasma diagnostic preparation is simple and reproducible.
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Key words
indirect hemagglutination testing,mycoplasma,pneumoniae infection,lyophilized standard preparation
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