نتایج جستجو برای: experimental infection

تعداد نتایج: 1151022  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1399

this study aimed to investigate the effects of listening strategy training on iranian efl learners listening comprehension and use of such strategies. this work, employing an experimental methodology, was conducted among 60 adult efl learners from a language institute in isfahan, iran, as participants. the participants, who were selected based on the results of a placement test, were assigned t...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده علوم انسانی 1391

abstract the following study, in the first place, attempted to examine the effect of less experienced teachers participation in experienced teachers classes on their own skills and teaching methodology, in the second place, attempted to find out the role of teachers training in students achievements. for this purpose, 21 efl teachers were selected according to available sampling in kish l...

Journal: :iranian journal of parasitology 0
sp. yasini department of clinical pathology, faculty of veterinary medicine, university of tehran, tehran, iran. z. khaki department of clinical pathology, faculty of veterinary medicine, university of tehran, tehran, iran. s. rahbari parasitology department, faculty of veterinary medicine, university of tehran, tehran, iran. b. kazemi cellular and molecular biology research center, shahid beheshti university of medical sciences, tehran, iran. j. salar-amoli department of toxicology, faculty of veterinary medicine, university of tehran, tehran, iran. a. gharabaghi department of larg animal internal medicine, faculty of veterinary medicine, university of tehran, tehran, iran.

b ackground : anaplasma ovis infections can cause clinical symptoms in acute phase and lead to huge economic losses in flocks. the aim of the present study was to investigate the hematological and par- asitological changes in experimental anaplasmosis in sheep with iranian strain of a. ovis . m ethod: five male sheep without any blood parasite infection were selected. one hundred ml hepa-rinize...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور مرکز - دانشکده زبانهای خارجی 1391

the primary goal of the current project was to examine the effect of three different treatments, namely, models with explicit instruction, models with implicit instruction, and models alone on differences between the three groups of subjects in the use of the elements of argument structures in terms of toulmins (2003) model (i.e., claim, data, counterargument claim, counterargument data, rebutt...

Journal: :Vaccine 2004
Donald J Chabot Angelo Scorpio Steven A Tobery Stephen F Little Sarah L Norris Arthur M Friedlander

Efficacy of a poly-gamma-D-glutamic acid anthrax capsule vaccine was assessed in a mouse model of infection. Capsule by itself was protective against lethal challenge with a toxin(-), capsule(+) Bacillus anthracis strain. Conjugation of capsule to bovine serum albumin resulted in enhanced IgG anti-capsule antibodies measured by ELISA, but completely abrogated the protection. The protective unco...

2010
Samuel Cordey Thomas Junier Daniel Gerlach Francesca Gobbini Laurent Farinelli Evgeny M. Zdobnov Birgit Winther Caroline Tapparel Laurent Kaiser

Human rhinoviruses (HRVs) evolve rapidly due in part to their error-prone RNA polymerase. Knowledge of the diversity of HRV populations emerging during the course of a natural infection is essential and represents a basis for the design of future potential vaccines and antiviral drugs. To evaluate HRV evolution in humans, nasal wash samples were collected daily for five days from 15 immunocompe...

Journal: :Archivos de la Sociedad Espanola de Oftalmologia 2007
D E Stangogiannis H Marval M M de Moreno M Martínez D C Stangogiannis

OBJECTIVE To characterize the histologic alterations in the ocular globe of mice infected with eggs of Toxocara canis, during both the acute and chronic stages of the infection. METHOD Performance of an experimental, prospective study in vivo, with right and left ocular globes [using 5 groups of 4 mice in each study; 2 white (A/J) and 2 black (C57/BL)], infected by the intravenous injection o...

Journal: :Infection and immunity 2002
Kerry J Oliver Karen M Reddin Philippa Bracegirdle Michael J Hudson Ray Borrow Ian M Feavers Andrew Robinson Keith Cartwright Andrew R Gorringe

Immunological and epidemiological evidence suggests that the development of natural immunity to meningococcal disease results from colonization of the nasopharynx by commensal Neisseria spp., particularly with N. lactamica. We report here that immunization with N. lactamica killed whole cells, outer membrane vesicles, or outer membrane protein (OMP) pools and protected mice against lethal chall...

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