background and objectives: the obligate intracellular bacterium chlamydia trachomatis causes sexually transmissible diseases in human. timely and sensitive detection of this pathogen is very important. there are many cross-reactions in bacteriological and serological methods in detection of this type of pathogens. the aim of this study was to achieve a more specific antigen for serological test...

an enzyme-linked immunosorbent assay (elisa) for progesterone measurement in serum or plasma samples using penicillinase as label enzyme is reported. a c3 and c11 derivatives of progesterone were prepared and conjugated to bovin serum albumin (bsa). polyclonal antibody against these two immunogens were prepared in new zealand white rabbits. purified ig fractions of antibodies were immobilized o...

background: the aim of this study was to detect the seroprevalence of human fascioliasis in isfahan county, central iran in 2013. methods: overall, 471 sera samples were collected from people recalled randomly to 20 health centers in the city of isfahan and 10 related villages in 2014. sera were examined using elisa test. a questionnaire was filled out for each participant. results: altogether ...

symptoms of the leaf scorch disease on the leaves of oleander infected by xylella fastidiosa appearing for the first time in lebanon were confirmed by elisa tests and anatomical observations of sections of petioles by a scanning electron microscope. xylella fastidiosa was detected in the xylem forming bacterial aggregates in the lumen of tracheary elements. the bacterium colonizes and invades t...