نتایج جستجو برای: blood samples were gathered before
تعداد نتایج: 4146396 فیلتر نتایج به سال:
objective: critical macromolecules such as dna maybe damaged by free radicals that are generated from the interaction of ionizing radiation with biological systems. melatonin and vitamin c have been shown to be direct free radical scavengers. the aim of this study was to investigate the in vivo/in vitro radioprotective effects of melatonin and vitamin c separately and combined against genotoxic...
OBJECTIVE The evidence for the effects of blood exchange transfusion on selenium (Se) in newborn infants is unknown. This study was conducted to determine the possible effects of blood exchange transfusion on Se by comparing the Se blood concentrations before and after exchange transfusion in jaundiced neonates. METHODS A total of 30 jaundiced term neonates who underwent blood exchange transf...
in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...
Background: Critical macromolecules of cells such as DNA are in exposure to damage of free radicals that induced from the interaction of ionizing radiation with biological systems. Selenium and vitamin-E are natural compounds that have been shown to be a direct free radical scavenger. The aim of this study was to investigate the radioprotective effect of selenium and vitamin-E separately and sy...
conclusions our new metabolic conditioning supplement, whether given pre- or postoperatively, led to better perioperative glycemic control and decreased postsurgical wound infections in non-diabetic patients. objectives the purpose of this study was to determine the effects of a new conditioning supplement on perioperative metabolic stress and clinical outcomes in non-diabetic patients. patient...
Background : Coronary and artery diseases are amongst the most common existed diseases in human societies. Thus considering too much stress that is created after myocardial infarction and the effect which anxiety can have on the treatment process of myocardial infraction patients, This research was carried out to study the effect of applying progressive muscle relaxation of these patients. ...
with the growth of more humanistic approaches towards teaching foreign languages, more emphasis has been put on learners’ feelings, emotions and individual differences. one of the issues in teaching and learning english as a foreign language is demotivation. the purpose of this study was to investigate the relationship between the components of language learning strategies, optimism, duration o...
Blood gas analyzers serve a critical role in providing information that reflects patient homeostasis. This study was undertaken to evaluate the accuracy, reliability, consistency, and bias of the Radiometer ABL-70 point of care blood gas analyzer. Thirty samples were gathered for analysis of pH, pCO2, pO2, sodium, potassium, sodium bicarbonate, and base excess. Twenty-nine samples were gathered...
abstract the purpose of this study was to find out the effect of applying the principles of group-dynamic assessment (g-da) on learning of conditional structures in english by iranian efl learners at the intermediate level, which according to the formal educational system in iran, includes students who are in their second year of studying in high schools of koohdasht city. this study was a qua...
background :lead elements have an adverse effect on human health. the most important complications of lead poisoning are disorders of nervous system particularly seizure .this study aimed to evaluate the blood lead levels and its association with convulsion in a group of hospitalized febrile children. methods : in this analytic cross-sectional study, 60 hospitalized febrile children with 1-60...
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