نتایج جستجو برای: linked immunosorbent assay. in host range studies

تعداد نتایج: 17238930  

Journal: :iranian red crescent medical journal 0
zahra elahian firouz department of microbiology, islamic azad university, science and research ayatollah amoli branch, amol, ir hami kaboosi department of microbiology, islamic azad university, science and research ayatollah amoli branch, amol, ir abdolreza faghih nasiri department of infectious disease, iran blood transfer organization, sari, ir iran seyed saleh tabatabaie ent-hns research center, hazrate rasool hospital, iran university of medical sciences, tehran, ir iran farideh golhasani-keshtan department of physiology, mashhad university of medical sciences, mashhad, ir iran fatemeh zaboli department of mycology, islamic azad university, science and research ayatollah amoli branch, amol, ir iran; department of mycology, islamic azad university, science and research ayatollah amoli branch, amol, ir iran. tel: +98-1212517001, fax: +98-1212517001

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...

Journal: :hepatitis monthly 0
behrouz naeimi department of microbiology and parasitology, faculty of medicine, bushehr university of medical sciences, bushehr, ir iran; the persian gulf tropical medicine research center, bushehr university of medical sciences, bushehr, ir iran farnaz mazloom kalimani student research committee, bushehr university of medical sciences, bushehr, ir iran ali akbar pourfatolah department of immunology, faculty of medical sciences, tarbiat modares university, tehran, ir iran masoud azimzadeh student research committee, bushehr university of medical sciences, bushehr, ir iran alireza mankhian bushehr blood transfusion organization, bushehr, ir iran samad akbarzadeh department of biochemistry, faculty of medicine, bushehr university of medical sciences, bushehr, ir iran

conclusions high hev seroprevalence (16.7%) was observed among the blood donors in bushehr province. it appears that exposure to hev increases with age; although, more people should be examined. results overall, 105 (16.7%) blood samples were positive for hev-specific-igg antibodies, while 523 (83.8%) were negative. the presence of anti-hev igg was not associated with gender; however, it was co...

Journal: :archives of clinical infectious diseases 0
nariman shah-hosseini islamic azad university, lahijan branch, faculty of science, department of microbiology, lahijan, ir iran; islamic azad university, lahijan branch, faculty of science, department of microbiology, lahijan, ir iran. tel.: +98-1412229081, fax: +98-1412229081 alireza khabiri pasteur institute of iran, department of mycology, tehran, ir iran farideh bagheri pasteur institute of iran, department of mycology, tehran, ir iran hashem yazdi pasteur institute of iran, department of mycology, tehran, ir iran nima farajianfar pasteur institute of iran, department of mycology, tehran, ir iran

conclusions: it was concluded that the elisa is a suitable method for large scale screening of antibodies against aspergilloma. the easy techniques have shortened the required time of tests (approximately 1.30 hours for our elisa, as opposed to 2.30 hours with commercial elisa kit). this may be a substantial benefit for large numbers of samples that should be tested. materials and methods: an i...

Journal: :jundishapur journal of microbiology 0
alireza ostadrahimi nutritional research center, faculty of nutrition, tabriz university of medical sciences, tabriz, ir iran fereshteh ashrafnejad liver and gastrointestinal diseases center, tabriz university of medical sciences, tabriz, ir iran abdolhassan kazemi liver and gastrointestinal diseases center, tabriz university of medical sciences, tabriz, ir iran; liver and gastrointestinal diseases center, tabriz university of medical sciences, tabriz, ir iran. tel: +98-9149164494, fax: +98-4113346951 nafiseh sargheini department of biochemistry and nutrition, faculty of nutrition, tabriz university of medical sciences, tabriz, ir iran reza mahdavi liver and gastrointestinal diseases center, tabriz university of medical sciences, tabriz, ir iran mohammadreza farshchian department of health of environment, tabriz university of medical sciences, tabriz, ir iran

background: nuts are one of the main consumed snacks worldwide and also have an important role among iranian's food habits. natural contamination of nuts with aflatoxin is unavoidable and causes a special challenge for nuts safety and quality. objectives: the purpose of this research was to study the aflatoxin contamination in commercially-available nuts (pistachio, walnut and peanut) in the ma...

Journal: :journal of medical bacteriology 0
mohammad morad-farajollahi department of biotechnology and cellular and molecular research center, tehran university of medical sciences, tehran,ir iran. sepideh hamzehlou department of biotechnology and cellular and molecular research center, tehran university of medical sciences, tehran,ir iran.

b ackground : tuberculosis is a crucial health problem. establishing a rapid, reliable and still inexpensive diagnostic method for tuberculosis seems to be substantial in developing countries where tb has very high incidence rate . methods:   an indirect  enzyme-linked  immunosorbent  assay (elisa )   was established to detect serum antibodies against mycobacterium  tuberculosis. three kinds of...

Journal: :jundishapur journal of natural pharmaceutical products 0
bamdad riahi zanjani medical toxicology research center, school of medicine, mashhad university of medical sciences, mashhad, ir iran raheleh rahmani department of pharmacology, school of medicine, tehran university of medical sciences, tehran, ir iran seyed mahdi rezayat sorkhabadi department of pharmacology, school of medicine, tehran university of medical sciences, tehran, ir iran ehsan aryan antimicrobial resistance research center, department of medical microbiology, school of medicine, mashhad university of medical sciences, mashhad, ir iran zahra oskouei medical toxicology research center, school of medicine, mashhad university of medical sciences, mashhad, ir iran mahmood sadeghi medical toxicology research center, school of medicine, mashhad university of medical sciences, mashhad, ir iran

conclusions afm1 contamination of milk is not a concern in this city. however, dairy cattle feed samples of various livestocks must be regularly checked for aflatoxin and the storage conditions of feeds should be strictly controlled. results afm1 was detected in all milk samples. the mean concentration of afm1 was 11.61 ± 0.72 ng/l with a range of 6.3-23.3 ng/l. none of the samples had levels e...

Journal: :archives of pediatric infectious diseases 0
farzaneh jadali department of pediatric pathology, pediatric infections research center (pirc), mofid children hospital, shahid beheshti university of medical sciences, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) abdollah karimi 2 pediatric infections research center (pirc), mofid children hospital, shahid beheshti university of medical sciencesسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) fatemeh fallah department of medical microbiology, pediatric infections research center (pirc), mofid children hospital, shahid beheshti university of medical sciences, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) mohsen zahraei department of pediatric infectious disease, faculty of medical science, tehran university of medical sciences, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) abdolreza esteghamati department of pediatric infectious disease, faculty of medical science, tehran university of medical sciences, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) masoumeh navidinia department of medical microbiology, pediatric infections research center (pirc), mofid children hospital, shahid beheshti university of medical sciences, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences)

materials and methods in this descriptive study, 2988 stool samples of patients with acute gastroenteritis were collected from children’s hospitals of 5 main cities of iran. the samples were sent in frozen condition to pediatric infection research center in tehran and stored at -70°c. elisa test was performed for detection of rotavirus antigens. the mean age of study population was 1 to 5 years...

Journal: :iranian red crescent medical journal 0
safar ali alizadeh department of pathobiology, school of public health, tehran university of medical sciences, tehran, ir iran seyyed saeed eshraghi department of pathobiology, school of public health, tehran university of medical sciences, tehran, ir iran; department of pathobiology, tehran university of medical sciences, poursina st., tehran, ir iran. tel: +98-2188994823 mohammad reza pourmand department of pathobiology, school of public health, tehran university of medical sciences, tehran, ir iran taghi naserpour department of microbiology, molecular research center, qazvin university of medical sciences, qazvin, ir iran gholamreza abdollahpour faculty of veterinary medicine, university of tehran, tehran, ir iran abbas rahimiforoshani department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, tehran, ir iran

background: timely diagnosis of leptospirosis is essential for early and effective treatment, for there are many differential diagnoses for it.. leptospiral researchers have an increasing interest in developing new serological methods with recombinant antigens to improve the leptospirosis diagnosis. several serological tests have been developed for the proper diagnosis of leptospirosis. objecti...

Journal: :journal of dentistry, tehran university of medical sciences 0
afshin khorsand mojtaba bayani siamak yaghobee sepehr torabi mohammad javad kharrazifard fatemeh mohammadnejhad

objectives: leptin is a hormone-like protein produced by the adipose tissue. it plays an important role in protection of host against inflammation and infection. some studies have reported changes in leptin levels in the gingival crevicular fluid (gcf), saliva and blood serum of patients with periodontal disease compared to healthy individuals. the aim of the present study was to compare the sa...

Journal: :hepatitis monthly 0
zakieh rostamzadeh khameneh department of microbiology and immunology, urmia university of medical sciences, urmia, ir iran nariman sepehrvand students’ research committee, urmia university of medical sciences, urmia, ir iran; students’ research committee, deputy for research affairs, urmia university of medical sciences, resalat ave. djahad square, urmia, ir iran. tel: +98-9125936372, fax: +98-4412231930 hamid-reza khalkhali department of epidemiology and biostatistics, urmia university of medical sciences, urmia, ir iran

background while hepatitis e virus (hev) mostly causes self-limited disease in general population, it is more severe in pregnant women. objectives this study aimed to investigate the seroprevalence of anti-hev igg among a population of pregnant women in west azerbaijan of . patients and methods one hundred thirty six pregnant women referred to urban health centers of urmia for pursuing pregnanc...

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