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تعداد نتایج: 16869704 فیلتر نتایج به سال:
abstract background: recently, stem cells have been used to facilitate healing in animal models of renal failure induced by acute ischemic and nephrotoxic damage. granulocyte colony-stimulating factor (g-csf) has been reported to stimulate stem cell mobilization from bone marrow and these cells may contribute to renal repair. objectives: in the present study, the effects of g-csf and stem cell ...
introduction acetic acid bacteria are large group of obligate aerobic gram negative bacteria with the ability to oxidize ethanol to acetic acid (1). they are widely distributed in natural habitats and classified in family acetobacteraceae. members of this family are useful in industrial production of vinegar(2). acetic acid bacteria (aab) can use substrates as glucose, ethanol, lactate or glyc...
the importance of writing as a complex skill in applied linguistics has drawn the attention of many researchers to evaluate textbooks in order to help learners gain self-sufficiency and autonomy in the field of language use and communication. investigations have shown that developments in textbooks evaluation can promote the quality of pedagogies and consequently the learning. this study attemp...
BACKGROUND Patients are referred to ophthalmologists to evaluate for papilledema when they are found to have elevated cerebrospinal fluid (CSF) pressure. However, some of these patients have no clinical history consistent with intracranial hyper-tension. We aimed to determine how often and how high patients with normal opening pressure could artificially elevate their CSF pressure to a pseudo-p...
objective: today, aids is considered as a global problem and many efforts to generate an effective vaccine against this disease have been made, but remain inconclusive. dna vaccines are a member of the new generation of vaccines that can efficiently stimulate the immune system. however, recent findings indicate low immunogenicity for these vaccines and it is believed that these types of vaccine...
UNLABELLED Extrapulmonary cryptococcosis has been defined as AIDS defining illness in HIV infected people. Cryptococcal meningitis is the commonest meningitis with advanced immune deficiency. Therefore clinicians ask for tests only for detection of cryptococci which may be misleading. A prospective study of suspected fungal meningitis with CSF fungal culture is carried out. MATERIAL AND METHO...
in recent years, there has been a growing interest among researchers to investigate the relationship betweenteacher self-efficacy and classroom behavior management, especially students misbehavior. therefore, this study aimed to comparatively investigate english and arabic teachers’ use of different behavior managementstrategies, their self-efficacy, and their success in an iranian context. th...
background: neisseria meninigitidis is one of the most frequently encountered microorganisms associated with central nervous system infections. the aim of this study was to evaluate a pcr-based assay for specific and rapid detection of n. meninigitidis in csf specimens. methods : since april 2002 to july 2006, 130 csf specimens were collected from patients suspected of having bacterial mening...
iv abstract this study examined the linguistic behaviors of two iranian efl teachers each of them teaching learners of two similar proficiency levels, a beginner level and an intermediate level, to investigate the relationship between the learners proficiency levels and the amounts and purposes for l1 use by the two teachers. the study was carried out to investigate whether there were differe...
We investigated whether the protection from graft-versus-host disease (GVHD) afforded by donor treatment with granulocyte colony-stimulating factor (G-CSF) could be enhanced by dose escalation. Donor treatment with human G-CSF prevented GVHD in the B6 --> B6D2F1 murine model in a dose-dependent fashion, and murine G-CSF provided equivalent protection from GVHD at 10-fold lower doses. Donor pret...
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