the purpose of this survey was to evaluate natural occurrence and content of aflatoxin m1 (afm1) in dairy products marketed in urmia (iran). during september 2007, 40 samples of pasteurized milk, 40 samples of ultra high temperature treated (uht) milk, 40 samples of creamy cheese and 40 samples of iranian feta cheese were collected from different supermarkets in urmia city. afm1 contents were d...

background herpes simplex virus type 1 and type 2 (hsv-1 and hsv-2) are common infectious agents worldwide. data on prevalence of hsv-1 and hsv-2 infections are limited in asia, especially in iran. our study aimed on determination of seroepidemiology of hsv-1 and hsv-2 infections in asymptomatic healthy students of islamic azad university of kazeroun, fars province, southwest of iran. patients ...

total igm, iga, and igm-rheumatoid factor (rf) and iga-rf were quantitated in the serum and synovial fluid of 35 seropositive and 8 seronegative rheumatoid arthritis (ra) patients, using a sensitive enzyme-linked immunosorbent assay (elisa). mononuclear cells isolated from peripheral blood and synovial fluid of three seropositive patients were also stimulated in vitro with phorbol myristate ace...

A B S T R C TELISA (Enzyme-linked immunosorbent assay) is a technique used to assessthe quantification of peptide, protein, antibody and hormone levels, basedon the principle antigen-antibody binding. In ELISA technique, antigenimmobilization will be carried out on solid surface, then bound withantibodies form an bond complex, where complex enzyme. The detection signal in formof color change fo...

the aim of this study was to evaluate an enzyme - linked immunosorbent assay (elisa) for the detection of anti - helicobacter pylori (h. pylori) specific igg antibodies in specimens of oral fluid. all subjects over the age 18 years undergoing endoscopy for any reason were asked to participate in the study. two groups of 44 patients in each were selected as hp+ and hp-. at the same time, 5 milli...