Fig. 4From: Evaluation of colostrum as an alternative biological sample for the diagnosis of human congenital toxoplasmosisImmunoblotting results for antigenic fractions from T. gondii. The assay was performed with soluble antigen of T. gondii for detection of IgG (a), IgM (b) and IgA (c) isotypes directed to the parasites in serum and colostrum samples from puerperal women. Molecular weights (kDa) are shown at left side. C+ positive control. C- negative control. B blankBack to article page