نتایج جستجو برای: and 12
تعداد نتایج: 16902035 فیلتر نتایج به سال:
BACKGROUND Vitamin B12 deficiency is one of the most common micronutrient deficiencies and is associated with poor cognitive development and growth. Vitamin B12 is crucial for normal cell division and differentiation, and it is necessary for the development and myelination of the central nervous system. The aim of the present study is to measure the effect of daily supplementation of vitamin B1...
Citation: Chen T-C, Chang S-W. Moxifloxacin modulated TGF-b1-related interleukin-12 secretion in corneal fibroblasts. Invest Ophthalmol Vis Sci. 2017;58:5692–5702. DOI:10.1167/ iovs.17-21944 PURPOSE. To explore the variability in interleukin-12 (IL-12) secretion in human corneal fibroblasts (HCFs), the effects of IL-12 on HCF viability and migration, and the effects of recombinant human transfo...
abstract this study evaluated and compared medical terminology and english for the students of medicine (ii) as two representatives of the textbooks available on the iranian market for teaching english to the students of medicine. this research was performed on the basis of a teacher’s and a number of students’ attitudes and the students’ needs analysis for two reasons: first, to investigate...
n engl j med 367;4 nejm.org july 26, 2012 385 Failures of Cobalamin Assays in Pernicious Anemia To the Editor: Cobalamin (vitamin B12) assays have been central to the diagnosis of clinical cobalamin deficiency such as pernicious anemia because the diagnostic sensitivities of older assays have been approximately 95%.1 However, the competitive-binding luminescence assay (CBLA) replaced older micr...
fluorescence chemical sensors for the highly sensitive and selective determination of pb2+ , hg2+, co2+ and fe3+ ions in aqueous solutions are described. the ion sensing system was prepared by incorporating lipophilic ligand (l) as a neutral ion-selective fluoroionophore in the plasticized pvc membrane containing sodium tetraphenylborate or potasium tetrakis (p-chlorophenyl) borate as a liphoph...
this studyinvestigated therelations between examinees’ academic knowledge and theirperformanceonreading section of ielts and toefl (ibt) through using generalizabilitytheory. g-theory was utilized to investigate the effects of subtest, test items, participants and academic background on the reliability of ielts and toefl (ibt) score. tosamplethe subjectsofthissurvey,a placement testwasadministe...
we have two part in this thesis, at first: the interaction of native calf thymus dna (ct-dna) with two anthraquinones including quinizarin (1,4- dihydroxy anthraquinone) and danthron (1,8- dihydroxy anthraquinone) in a mixture of 0.04 m brittone-robinson buffer and 50% of ethanol were studied at physiological ph by uv-vis absorption, florescence, circular dichroism spectroscopic methods, viscos...
efl/esl textbooks have been regarded as essential language teaching materials with which the learners spend about 70 up to 90 percent of their class time. the important role they play and their vast use make them not only influential in learning the language but also in shaping values and attitudes. put it another way, textbooks socialize learners using their contents (i.e. texts, illustrations...
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