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Use of an immunoenzyme method on a solid-phase carrier for determining the tularemia antigen
Authors:N S Umnova  K L Shakhanina  I P Pavlova  I S Meshcheriakova
Abstract:The method of the highly sensitive (up to 10 ng/ml) and specific determination of soluble tularemia antigen, based on the use of "sandwich" type ELISA techniques, has been developed. The dependence of the specificity and sensitivity of the method on the degree of purification of antibodies and their peroxidase conjugates used in the assay has been studied. The study has revealed that the best results can be obtained with the use of purified IgG and its conjugate free of unbound peroxidase. Both foreign peroxidase preparations and type A enzyme manufactured in the USSR can be equally used as enzymatic labels.
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