نتایج جستجو برای: s i l i c a
تعداد نتایج: 14200971 فیلتر نتایج به سال:
introduction: adolescents are the important portions of the iranian population. adolescents health status has a critical role in their learning ability and their performance. the present study aimed to determine the predictive factors for general health status in iranian high school students in 2014. materials and methods: in a cross-sectional study evaluated the predictive factors for general ...
objective: epilepsy is a chronic neurological disorder requiring long term therapy using antiepileptic medications. reports have incriminated long term antiepileptic drugs use in deficiency of vitamin d and bone diseases in all age groups. to investigate the association between serum 25-hydroxyvitamin d levels and pediatric epilepsy in indian patients. methods& methods: we prospective...
the synthesis of 1,5-dihydroxy-9,10-anthraquinone (17); (1,5-dha) was accomplished during, attempts towards the synthesis one of its derivatives called anthralin (1,8-dihydroxy-9-anthrone) which is known as an antipsoriasis drug since 1916 [1]. this work is a new reigiospecilic preparation of 1,5-dha based on friedel-crafts reaction starting from 1,4-dimethoxybenzene. this synthetic route, in a...
copper complexes of [cu(phen)(tda)].2h2o(1) and [(phen)2cu(µ-tda) cu(phen)](clo4)2.1.5h2o (2) (where phen is 1,10-phenanthroline and tda2- is thiodiacetate) have been synthesized. both complexes were characterized by elemental analysis, ir, uv–vis spectroscopy and cyclic voltammetry. their solid state structures were determined by the single crystal x-ray diffraction method. complex 1 is mononu...
background and aim: sinusoidal harmonic acceleration (sha) test is one of the most effective and best-tolerated methods to assess vestibular system function, especially horizontal semicircular canal in children. a prerequisite for using this test in children, is the availability of normative data. despite of the numerous studies related to the sha in adults, few researches have been documented ...
conclusions non-invasive assessment of hepatic fibrosis could be done using the egy-score. egy-score could differentiate no or early fibrosis (stage f0-f2 metavir) from severe fibrosis or cirrhosis (stage f3 - f4 metavir) with 83.7% accuracy. results combined elevation of ca 19-9 and ca 125 with a summated value > 37 u/ml is predictive of severe hepatic fibrosis or cirrhosis (stage f3-f4 metavi...
background: previous studies imply that il-1 and il-8 gene variations may play a crucial role in the genetic predisposition to different gastric disorders upon h. pylori infection. objective: the aim of this study was to determine the potential association between the prevalence of certain polymorphic sites and the risk of gastric disorders in iranian population. methods: one hundred and forty ...
conclusions acute hev infection shows a pattern of th1-type immune response, and the direct significant positive correlation between the serum level of scd26 and ifn-γ in acute hev infected patients, suggests that the trend of scd26 levels is a valuable marker for predicting hepatic inflammation in hepatitis e. results the results showed a significant difference in ifn-γ and scd26 (p < 0.0001 a...
due to the anti-diabetic and antioxidant activity of green tea epigallocatechin-gallate (egcg), this research study was conducted to evaluate, for the first time, the efficacy of chronic treatment of egcg on alleviation of hyperalgesia in streptozotocin-diabetic (stz-diabetic) rats. male wistar rats were divided into control, diabetic, egcg-treated-control and diabetic and sodium salicylate (ss...
it is widely thought that bcl-2 family proteins regulate commitment to apoptosis primarily through their capacity to control the permeability of the mitochondrial outer membrane permeabilization (momp) triggers the release of multiple apoptogenic factors into the cytosol and, thereby apoptosis. various bcl-2 family members affect this key event of the apoptotic cascade in different ways, determ...
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