نتایج جستجو برای: food and water samples

تعداد نتایج: 16981954  

Journal: :Epidemiology and infection 2006
Moustafa A El-Shenawy Mohamed A El-Shenawy

Listeria monocytogenes is an important pathogen which causes an infection called listeriosis. Because of the high mortality rate (~30%) associated with listeriosis, and the widespread nature of the organism, it is a major concern for food and water microbiologists since it has been isolated from various types of foods, including seafood, as well as from the aqueous environment. To investigate t...

Journal: :medical journal of islamic republic of iran 0
gd nayeri kaman from the department of physiology, school of medicine, shiraz university of medical sciences, shiraz, and the *department of physiology, tarbiat modarress university, tehran, islamic republic of iran. m taherian fard

the role of the ventromedial nuclei of the hypothalamus (vmn) in food behavior was studied in adult male rats, allocated in 3 groups: control, sham and lesioned. electrolytic lesions were induced stereotaxically (1.2 ma, 15 sec). results revealed a significant decrease (p

Journal: :Journal of health, population, and nutrition 2005
Natasha Potgieter Chikwelu Larry Obi Pascal Obong Bessong Eunice Obiajulu Igumbor Amidou Samie Rose Nengobela

Bacterial contaminants of Vhuswa--a traditional maize-based weaning food, and domestic drinking-water stored in impoverished rural households in Venda of Limpopo province, South Africa, were determined. One hundred and twenty-five samples of Vhuswa fed to children aged less than five years were assessed for Escherichia coli, Campylobacter jejuni, Salmonella, and Shigella. The microbiological qu...

Journal: :iranian journal of health sciences 0
hajar boudaghi malidareh department of environmental health .water & wastewater laboratory amin alinezhad master of water resources .water and wastewater company . qaemshahr . water & wastewater parisa boudaghi malidareh asico.mazandaran . graduate student of applied chemistry . islamic azad university, qaemshahr,iran amir hossein mahvi school of public health & center for solid waste research, institute for environmental research &

abstract background and purpose fluoride is one of the fundamental and required components in human body. the current study intends to survey the status of fluoride in drinking water supplies ( underground water source and drinking water) in qaemshahr city from 2006 (march/21) to 2012(march/19) and comparison with universal standards, national and climatic conditions. materials and methods this...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم پایه 1391

food safety is considered as an important world concern. the detection of pathogen and toxic materials in food has an important role in public health care. in recent years, the applications of microbial biosensor have been developed as a new approach for toxicity control. luminescent microbial biosensor is an appropriate biological tool for protection of natural environment. this type of biosen...

Background and purpose: Today, environmental pollutions are of the most important issues and hazardous in food safety around the world. Given the importance of salt and water in dietary, and extracting them from Maharloo Lake, Iran, this study aimed to investigate the concentrations of heavy metals, as environmental pollutions, in salt and water of this lake at different seasons. Materials and...

Journal: :journal of paramedical sciences 0
asghar ashrafi hafez proteomics research center, shahid beheshti university of medical sciences, tehran eghbaleh asadolahi food and drug administration, ilam university of medical sciences, ilam mohamadreza havasian laboratory science dept, para medics, ilam university of medical sciences, ilam jafar panahi laboratory science dept, para medics, ilam university of medical sciences, ilam abdollah davoudian immunology dept., faculty of medicine, ilam university of medical sciences, ilam mona lotfikar immunology dept., faculty of medicine, ilam university of medical sciences, ilam

the risk of disease spread through water, fruits and vegetables contaminated through unclean waters varies from region to another. springs and underground water resources are essentially free of germs or they have tolerable levels of germs; unless they are infected by surface water or human excreta. scientific reports have shown that outbreaks of food-borne illnesses especially foods such as fr...

Journal: :journal of basic research in medical sciences 0
moayd avazpour department of environmental health engineering, ilam university of medical science, ilam iran sabah shiri department of environmental health engineering, ilam university of medical science, ilam iran ali delpisheh department of epidemiology, ilam university of medical science, ilam, iran ali mohamad abbasi department of environmental health engineering, ilam university of medical science, ilam iran

a novel, simple and more sensitive spectrophotometric procedure has been developed for the determination of brilliant blue fcf and carmoisine in food samples by an aqueous two-phase system (atps). after extraction, the absorbance values were measured at 527 and 632 nm for carmoisine and brilliant blue fcf, respectively. the effects of different parameters such as, polyethylene glycol (type and ...

Journal: :گوارش 0
roya hakami javad mohtadinia arash etemadi mahboub nemati akram pourshams farhad islami

background: residents of the northeastern region of iran experience high mortality rates from esophageal squamous cell carcinoma (escc). one etiologic factor might be exposure to high levels of polycyclic aromatic hydrocarbons, including benzo(|î±|)pyrene (bî±p). we examined whether food or water are the major sources of bî±p exposure in this population. materials and methods: we used a dietary...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده ادبیات و علوم انسانی 1392

abstract the present study was conducted in order to investigate the impact of an integrated model of form-focused and task-based instruction on iranian efl learners vocabulary learning and retention.it also aimed to detect efl learners attitude towards the implementation of form-focused task-based vocabulary instruction in the classroom. in order to address the purposes of this study, a sampl...

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