Prevalence of Helicobacter and Acanthamoeba in natural environment
نویسندگان
چکیده
منابع مشابه
Survival of Helicobacter pylori in a natural freshwater environment.
The mode by which Helicobacter pylori, the causative agent of most gastric ulcers, is transmitted remains undetermined. Epidemiological evidence suggests these organisms are waterborne; however, H. pylori has rarely been grown from potential water sources. This may be due to the ability of this organism to rapidly enter the viable but nonculturable (VBNC) state. Our investigation examines the e...
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کاتالیست یک سنتز جدید برای تیواترها توصیف شده است. واکنش الکل ها با آریل، هتروآریل و آلکیل تیو ل ها درحضور 1،3،5- تری آزو- 2،4،6- تری فسفرین-2،2،4،4،6،6 هگزاکلراید ((tapc به عنوان یک کاتالیست موُثر، بازده های خوب تا عالی از تیواترها را حاصل می کند. علاوه براین، واکنش تحت شرایط بدون فلز و بدون حلال پیش می رود، بنابراین یک مکمل جالب برای روش های شناخته شده سنتز تیواترها ارائه می دهد. یک مکانیسم ا...
15 صفحه اولPREVALENCE OF HELICOBACTER PYLORI IN CHILDREN AND TEENAGERS IN TABRIZ, IRAN
Seroepidemiologic studies in developing countries show a high rate of Helicobacter pylori (H. pylori) infections in children, in contrast to developed countries. The aim of this study was to evaluate the prevalence of H. pylori in children and teenagers in Tabriz, northwest of Iran. In this prospective study 44 children and teenagers were randomly selected to study serum IgG against H. pyl...
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15 صفحه اولPrevalence of Pathogenic Genes cagA and vacA of Helicobacter pylori Isolated in Patients with Digestive Disorders
Background and Aims: Helicobacter pylori is the main cause of various gastroduodenal diseases. It is estimated that app roximately, more than half of the adult population in developed countries and 90% of people in developing countries infected with H. pylori. H. pylori infection may be related to Genetic of virulence factors and environmental factors. The aim of this study was to assess of fre...
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ژورنال
عنوان ژورنال: Letters in Applied Microbiology
سال: 2009
ISSN: 0266-8254,1472-765X
DOI: 10.1111/j.1472-765x.2008.02550.x