objective: to find shortest and reliable time period of urine collection for determination of proteinuria. materials and methods: it is a prospective study carried out on 125 pregnant women with preeclampsia after 20 weeks of gestation having urine albumin >1 using dipstick test. urine was collected in five different time intervals in colors labeled containers with the assistance of nursing sta...

presence of maternal diabetes mellitus (dm) during pregnancy has important consequences for both mother and child. to determine maternal and fetal/neonatal complications of gestational dm and compare them with pre-gestational dm, a prospective study was performed in 100 diabetic women delivered in our hospital from january 2001 to april 2002. pregnancy outcome in 27 women with gestational dm an...

to determine the effects of pre-germinating of tubers and plant density on yield and some agronomic traits of six commercial potato cultivars, an experiment was carried out in ardebil agricultural research station for two years (2001 and 2002). the experiment was in a split split splot on the basis of completely randomized block design with three replications. pre-germination and non pre-germin...

background: lipid peroxidation is a free radical-generating process which occurs on every membranous structure of the cell. free radicals are known to be involved in a number of human pathologies including atherosclerosis. the purpose of this cross-sectional study was to examine the association between pre-hypertension status and oxidative stress markers [total antioxidant capacity (tac) and ma...

this study has examined the effect of semantic mapping on learning vocabulary across genders. the researchers selected 120 intermediate students after the administration of a standard proficiency test. a vocabulary test was also used to measure the students’ vocabulary knowledge. the experimental group received semantic mapping in the pre-reading stage, butthe control group did not receive this...

background treatment of patients with acute myocardial infarction (ami) is time related, so delay in treatment could affect prognosis. recognizing pre-hospital or in-hospital delays in initiating treatment and reducing these factors is very efficacious in treatment of these patients. results 35.7% patients arrived during one hour of symptom onset, and 7.9% arrived after 24 hours. patients havin...

pectin is used as gelatinizing agent in food industry. in this study pectin was extracted from five commercial sugar beet varieties namely: doroty, rasul, 7112, br1 and ic using pre-hydrolysis technique. experiments were conducted using factorial design to verify the effect of temperature, time, percentage of hcl and water requirements on the extraction rate of pectin. the qualitative factors o...

the main sources of human exposure to trace metals for non-occupationally exposed individualsare inhalation and ingestion. because the absorption rates of the metals by inhalation are significantly higher (up to 50-60%) than those by ingestion (between 3% and 10%), determination of trace metals in ambient air samples is of special interest. the main purpose of this study was to determine fe, zn...

background & aim: operation as a stressor can induce physical and psychological negative reactions. considering the anxiety prevalence as the most important sign and symptoms before surgery, on one hand, and the necessity of patients’ mental preparation as the most essential care before surgery, on the other hand, the importance of primary communication of medical centers’ staff would be determ...