objectives:vagal pathways in gastrointestinal tract are the most important pathways that regulate ischemia/reperfusion (i/r).  gastrointestinal tract is one of the important sources of melatonin production. the aim of this study was to investigate probable protective effect of the interaction between vagus nerve and melatonin after i/r. materials and methods:this study was performed in male rat...

in this study, the aim was the evaluation of effect of intravenous (iv) administration of ketamine, peritonsillar infiltration of tramadol and their combination for control of post-operative pain in comparison with single use of each drug in children undergoing tonsillectomy. one hundred and twenty children, aged 2-15 years, selected for elective adenotonsillectomy were enrolled in the study. w...

use of the double ring infiltrometer to measure soil water infiltration in center pivot irrigation systems isn’t an accurate approach because the real conditions of infiltration under center pivot sprinklers is different from what happens in the double ring. in this study the infiltration parameters were evaluated in real conditions of a center pivot system. for this purpose a single ring with ...

background: maternally administered opiates such as morphine represent a serious human health problem. opioid abuse may have unfavorable effects on reproductive organs. objective: the present study evaluates on the effects of morphine on structure and ultrastructure of uterus in balb/c mice. materials and methods: forty balb/c pregnant mice were divided into four groups: two experimental (i and...

PURPOSE Cell surface HLA class I molecules present peptides derived from human cellular proteins to T cells. In the present study, we investigated the expression of HLA class I in human pancreatic carcinoma. EXPERIMENTAL DESIGN The expression of HLA class I antigen and the extent of tumor infiltration by T cells were investigated in 46 primary tumors and in 14 metastases of pancreatic cancer ...

abstract infiltration process is one of the most important components of the hydrological cycle. on the other hand, the direct measurement of infiltration process is laborious, time consuming and expensive. in this study, the possibility of predicting cumulative infiltration in specific time intervals, using readily available soil data and artificial neural networks (anns) was investigated. for...

abstract infiltration is one of the most important phenomena which is affected by the soil physical and hydraulic characteristics. measurement of infiltration needs the high cost and is time consuming, therefore estimation of infiltration is necessary. also, due to variability of soil moisture, it is important to determine the appropriate model for the estimating the infiltration rate. the pres...

abstract infiltration is a significant process which controls the fate of water in the hydrologic cycle. the direct measurement of infiltration is time consuming, expensive and often impractical because of the large spatial and temporal variability. artificial neural networks (anns) are used as an indirect method to predict the hydrological processes. the objective of this study was to develop ...

background: the aim of this study was to investigate the protective effects of crocin against tissue damages and leukocyte infiltration induced by renal ischemia/reperfusion. methods: in this experimental study, 35 male wister rats weighing 250-300 g were randomly divided into 5 groups; 1. operated controls, but no vessel occlusion was considered and passed during equivalent reperfusion period ...

Infiltration filters of LID facilities are frequently confronted with clogging pores by contaminants. To avoid malfunctioning facilities, should be maintained according to the degree clogging. In this study, was characterized curves representing correlation between infiltration rate (<i>Q</i>) and quantity (<i>IR</i>). estimate clogging, a regression neural network model...