Fig. 1From: American trypanosomiasis and associated risk factors in owned dogs from the major city of Yucatan, MexicoExample of western blot to confirm the presence of IgG antibodies against T. cruzi in dogs positive to indirect ELISA. Lane M: molecular weight marker Biorad cat. 161–0373 All Blue 250 kD; lane 1: positive control (serum from a dog confirmed as positive); lane 2: negative control (serum from a dog confirmed as negative); lane 3; control of dog anti-IgG; lanes 4–8: samples of owned dogs in the metropolitan area of Merida, Yucatan, reactive to T. cruzi Back to article page