objective: the usage of pesticides has increased during the recent years. one the other hand, presence of harmful pesticides residue in rice and other food has caused a great concern among the consumers. therefore, it is important to develop some pragmatic procedures to increase the food safety along with the reduction in consumption of pesticide residues. methods: a gas chromatograph with elec...

background: the purpose of this study is to investigate the relationship between the cognitive impairment and naa/cr and cho/cr ratios in the proton magnetic resonance spectroscopy (1hmrs), and to assess the importance of 1hmrs in the early diagnosis of cognitive impairment in patients with ischemic white matter lesions (wmls). materials and methods: a total of 45 patients (23males and 22 femal...

increasing incidence of food-borne disease along with its social and economic consequences have led to conducting extensive research in order to produce safer food and develop new antimicrobial agents; among them, extensive use of probiotics and bacteriocins as biological additives is of significant importance. the aim of the present study was to evaluate the interactions (growth behavior and s...

the present study was carried out for evaluation of calcoflour white staining (cws) as a rapid method for detection of pneumocystis carinii in respiratory specimens of rats as an animal model for human infection. a total of 35 spraque – dawley rats were divided into two groups. group1 (20 rats) received increasing doses of dexamethasone subcutaneously, and group 2(15 rats)as control group that ...

statement of problem: fixed orthodontic appliances can interfere with removing bacterial plaques from dental surfaces which can ultimately lead to white spot formation. purpose: the aim of this study was to evaluate the quantity of white spots and areas of decalcification following fixed orthodontic treatment. materials and methods: a total of 100 patients undergoing or scheduled for fixed orth...

the issue of “right” is an important subject in field of political, legal and moral thoughts to the extent that the modern age is called “the age of right”. modern man is rightful, providing his welfare is not his first priority. instead, access to and attaining his rights is what can bring him peace of mind. it is properly held that right is not confined to specific aspect of life but covers d...

white matter lesions (wmls) are commonly observed in strokepatients with small vessel disease (svd) and are thought toresult from a progressive, irreversible disease process followingarteriolosclerosis. in this study, we report a case of partialdisappearance of wmls 1 year after a lacunar stroke in a69-year-old man with evidence of svd. we also discuss possiblemechanisms associated with this ob...

a 3*2*2 factorial experiment was conducted to study the effect of feeding whole wheat (0, 10, and 20%), a microbial enzyme source (arabino-xylanase based enzyme for wheat at 0% and 0.1%) and 0% or 1% insoluble grit (number 3 layer size) on the performance of white leghorn hens at 19 to 54 weeks of age. each dietary treatment was replicated four times with ten hens, housed two to a cage, eac...