نتایج جستجو برای: elisa and iran
تعداد نتایج: 16846078 فیلتر نتایج به سال:
until now many studies have been done over recent decades throughout the world to show the right age to start english. in iran, research is still at an early stage in terms of evaluating teachers’ beliefs about teaching children english. the problem of at what age to start teaching english and how to teach english to elementary school children has not been solved neither in this country nor els...
the debate whether esp teachers need to have knowledge of the specialized field they are teaching has been an issue in the literature over the last two decades. the aim of conducting this study was to explore iranian learners’ and instructors’ beliefs and attitudes concerning the role of specialized knowledge in teaching esp classes. a seventeen item questionnaire was administered to 400 esp le...
the present study is an attempt to investigate the potential impact of inspirational quotes on improving english abstract vocabulary recall. to achieve this goal, a multiple choice language proficiency test of 60 items including vocabulary and grammar component was administered to a sample of 63 second-semester male and female students whose age ranged between 17 to 22 and they were studying en...
BACKGROUND Fasciolosis is an important health and veterinary problem in Iran. The epidemiological pattern of disease has been changed markedly in recent years and there are regions that have potent capacity to be new focus of the disease. One of these areas is Yasuj district in southwest of Iran where animal fasciolosis has been quite common. The current study was conducted to determine the ser...
background: helicobacter pylori ( h. pylori ) is a global pathogen with a widely varied prevalence (30%-80%) among different countries and populations. this study aims to determine the prevalence of h. pylori in the population of arak, iran. materials and methods: this was an epidemiologic cross-sectional population-based study with multistage sampling. the population of arak according to the 2...
background : this comprehensive study was conducted on multi-purpose one-humped camel ( camelus dromedarius ) sera and ticks to assess the epidemiological aspects of the crimean-congo hemorrhagic fever virus (cchfv) in northeast iran. methods : from may 2012 to january 2013, eleven cities were randomly selected in the khorasan provinces of iran as “clusters,” and at least 14 one-humped camels w...
background: parvovirus b19 (b19) is the only member of the family parvoviridae associated with human infection. although there are some studies to estimate the immunity to parvovirus in various populations but there is no seroepidemiological survey from iran until now thus the age-specific immunity to human parvovirus infection was estimated. methods: a subset sample of 1500 study subjects...
background: aflatoxin m 1 (afm 1 ) is the metabolite of aflatoxin b1 (afb 1 ) and is found in milk when lactating animals are fed with contaminated feedstuff. the presence of afm 1 in milk, pose a major risk for humans especially kids as it can have immunosuppressive, mutagenic, teratogenic and carcinogenic effects. the present study is aimed to investigate the occurrence of afm 1 in subsidiz...
background: the aim of this study was to determine the toxoplasma antibodies in pregnant women in zanjan, by elisa method. methods: blood samples were taken from 500 pregnant women referred to the health centers of zanjan city, north west iran, igm and igg titers were primarily evaluated. the collected data were analyzed with spss 11.5 using chi-square test. results: anti toxoplasma igm and igg...
background: the objective of this study was to determine the prevalence of cystic echinococcosis (ce) in qom province, central iran using elisa test. methods: overall, 1564 serum samples (800 males and 764 females) were collected from selected subjects by randomized cluster sampling in 2011-2012. sera were analyzed by elisa test using agb. before sampling, a questionnaire was filled out for eac...
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