نتایج جستجو برای: enzyme assay
تعداد نتایج: 423611 فیلتر نتایج به سال:
materials and methods a total of 228 fecal samples were collected from residents of rural areas of hamadan, west of iran. each fecal sample was divided into two parts, one kept frozen at -20˚c for ag-capture elisa and the other in 10% formalin for the ap staining method. cryptosporidium ag-detection elisa procedure was performed according to the manual of the manufacturer. the preserved samples...
مقدمه: در سال های اخیر، اطلاعات کمی از شیوع آفلاتوکسین در آرد و مقایسه ی آن در نان های سنتی و حجیم موجود در بازار منتشر شده است. در پژوهش حاضر، حدود آلودگی به آفلاتوکسین در برخی از محصولات نانوایی و ارزیابی خطر دریافت آن مورد بررسی قرار گرفت. روش ها: در این مطالعه ی مقطعی- تجربی، 66 نمونه شامل 29 نمونه ی مختلف آرد ستاره، 14 نمونه ی نان سنتی، 10 نمونه ی نان حجیم و 13 نمونه ی مغز برای تزیین نان ب...
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 ...
results: of the 50 samples tested by the elisa method, 26 samples (52%) were positive for igg . no samples were positive for igm. of the 50 samples tested by the chemiluminescence method, 28 samples (56%) were positive for igg. no samples were positive for igm. conclusions: a significant relationship between the age of the youngest child and the infection rate was seen. no significant correlati...
background: pan-igg specific monoclonal antibodies (mabs) are essential tools for assessment of humoral immunity, immune deficiency and gammopathy. in this study, four hybridoma clones producing mabs with different specificities for human igg isotypes were established. methods: splenocytes from balb/c mice immunized with fc fractions of human igg were fused with sp2/0 myeloma cells. hybridoma c...
universal vaccination of neonates and children against diphtheria, tetanus and pertussis has had a tremendous impact on the control of these infectious diseases worldwide. immunization by the triple diphtheria, tetanus and whole cell pertussis vaccine (dtwp) has been applied in iran for almost 50 years. periodic assessment of immunogenicity of this vaccine is an important aspect of successful m...
background and aims: the causal agents of viral lettuce big vein disease are two viruse, lettuce big vein associated virus (varicosavirus) and mirafiori lettuce virus (ophiovirus). these viruses have coat proteins of similar size but have different morphologies and serologically unrelated.the purpose of this study was to distinguish and detect lbvav and milv in lettuce fields in tehran province...
cystic echinococcosis is an important zoonosis in the sheep rising areas of iran. to develop a simple and reliable diagnostic method for echinococcus infection in definitive hosts, e. granulosus polyoclonal antibodies (polyabs) were prepared from adult worm in rabbit. a selected poab was used for coproantigen detection in faecal samples obtained from animals naturally infected with echinococcus...
background toxoplasma gondii is an opportunistic parasitic organism causing infection in many mammals, including immunosuppressed patients. toxoplasmosis as an opportunistic infection is highly prevalent among patients receiving a kidney transplant. objectives the purpose of this study was to identify and determine the prevalence of toxoplasma gondii in clinical samples collected from patients ...
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