نتایج جستجو برای: Extremely Low Frequency

تعداد نتایج: 1666881  

Journal: :journal of paramedical sciences 0
majid mahdavi department of biology, faculty of natural science, university of tabriz, tabriz, iran. reza yekta department of biology, faculty of natural science, university of tabriz, tabriz, iran. saeed hesami tackallou department of biology, garmsar branch, islamic azad university, tehran, iran.

extremely low frequency (elf) and radio frequency (rf) electromagnetic field may affect biological systems by raising generation free radicals by decline activities of glutathione peroxidase dismutase or increase in the lifetime of free radicals with inhibited pretreatment of cells antioxidant like that alpha tocopherol. elf and  rf electromagnetic  field maycan damaged dna  with raising level ...

Journal: :journal of research in health sciences 0
fatemeh shamsi mahmoudabadi saeideh ziaei mohammad firoozabadi anoshirvan kazemnejad

background: exposure to extremely low frequency electromagnetic fields is increasingly common, but the potential influence on pregnant women has not been thoroughly investigated. methods: in this case-control study, 58 women who had an unexplained spontaneous abortion at < 14 weeks gestation and 58 matched pregnant women >14 weeks gestation were enrolled in 2012. the women completed the questio...

Journal: :basic and clinical neuroscience 0
mahnaz taherian fard shiraz university, school of veterinary medicine, department of basic sciences, shiraz, iran aminollah bahaeddini shiraz university, school of sciences, department of biology, shiraz, iran tahoora shomali shiraz university, school of veterinary medicine, department of basic sciences, shiraz, iran saeideh karimi haghighi shiraz university, school of veterinary medicine, department of basic sciences, shiraz, iran

introduction: the present study investigated the interactive effect of gabab receptors and extremely low frequency electromagnetic field (elf-emf) on foot shock-induced aggression in rats. methods: fifty adult male rats were randomly assigned into 10 groups. groups 2, 4, 6, 8 and 10 were exposed to 50 hz, 500 µt elf-emf for 30 days 8h per day while the remaining groups (1, 3, 5, 7 and 9) were s...

Journal: :journal of paramedical sciences 0
majid mahdavi department of biology, faculty of natural science, university of tabriz, tabriz, iran. reza yekta department of biology, faculty of natural science, university of tabriz, tabriz, iran. saeed hesami tackallou department of biology, garmsar branch, islamic azad university, tehran, iran.

extremely low frequency (elf) electromagnetic field (elf-emfs) are widely employed in electrical appliances and different equipment such as television sets, elf-emfs can  affect biological systems by increasing production  ros. the altered balance between ros generation and elimination plays a critical role in a variety of pathologic conditions. ros levels have been observed in several hematopo...

Journal: :iranian journal of public health 0
zhen ding jintao li fan li mohammadreza mohammadzad mephryar shuicai wu chen zhang

background: the extremely low-frequency electromagnetic field (elf-emf), mainly emitted by electric transmission lines and household electronic appliances, is becoming a worldwide health risk. it is imperative to investigate the biological impacts of elf-emf and to identify products that are resistant to the radiation from 50 hz elf-emf. in this study, we investigated the biological impacts of ...

Journal: :international journal of endocrinology and metabolism 0
mahnaz taherianfard department of physiology, school of vetetrinary medicine, shiraz university, shiraz, ir iran; department of physiology, school of vetetrinary medicine, shiraz university, shiraz, ir iran. p.o.box: 1731, postcode: 71345. tel: +98-7112286950, fax: +98-7112286940 aminolah bahaddini department of biology, faculty of basic science, shiraz university, shiraz, ir iran sara keshtkar department of biology, university of scientific-practical, shiraz university, shiraz, ir iran mehdi fazeli department of pharmacology, school of vetetrinary medicine, shiraz university, shiraz, ir iran tahora shomali department of pharmacology, school of vetetrinary medicine, shiraz university, shiraz, ir iran

conclusions no interactivity is present in modulatory effects of gabaa receptors and elf-emfs on serum testosterone of male rats. patients and methods fifty adult male rats were randomly assigned into 10 groups. groups 2, 4, 6, 8, and 10 were exposed to elf-emf for 30 days 8hrs per day; while, the remaining groups (1, 3, 5, 7, and 9) were sham exposed animals. at the end of the experiment, anim...

Journal: :international journal of environmental research 2011
p. nassiri m.r. monazzam m. yunesian m.h. sowlat m.h. safari

the ever increasing rate of power consumption has led to an increase in public exposure to extremely low frequency magnetic fields (elf-mfs) and brought severe concerns about their health effects. considering previous studies and the facts about potential health effects of these fields, the present study aimed to evaluate the elf-mf flux densities from power distribution lines near hospitals i...

Journal: :iranian biomedical journal 0
شهین احمدیان shahin ahmadian سعید رضایی زارچی saeed rezaei zarchi بهرام بلوری bahram bolouri

the efficacious effects of pulsed electromagnetic field (pemf) under the certain field parameters like frequency and the field intensity have been reported for various tissue and molecules. since collagen is found abundantly in most tissue structures, this research was designed to further investigate the effects of extremely low frequency (elf) pemf on the synthesis of the epidermal collagen. t...

Journal: :iranian journal of medical physics 0
farshid ghorbani shahna assistant professor, occupational health dept., faculty of public health and research center for health science, hamedan university of medical sciences, hamedan, iran. mahboobeh eshaghi ph.d. student of occupational health, faculty of public health, hamedan university of medical sciences, shiraz, iran. tahereh dehghanpour b.sc. of occupational health, faculty of public health, hamedan university of medical sciences, shiraz, iran. zohre karami b.sc. of occupational health, faculty of public health, hamedan university of medical sciences, shiraz, iran.

introduction: public and occupational exposure to extremely low frequency (elf) electric and magnetic fields induced by electrical equipment is a significant issue in the environment and at the workplace due to their potential health effects on public health. the purpose of this study was assessment of the electric and magnetic fields intensities and determination of mental and psychological ef...

Journal: :international journal of environmental research 0
p. nassiri occ. hyg. dept., school of public health, tehran university of medical sciences, tehran, iran m.r. monazzam department of environmental health engineering, school of public health, tehran university of medical sciences, tehran, iran m. yunesian department of environmental health engineering, school of public health, tehran university of medical sciences, tehran, iran, center for environmental research, school of public health, tehran university of medical sciences, tehran, iran m.h. sowlat department of environmental health engineering, school of public health, tehran university of medical sciences, tehran, iran m.h. safari islamic azad university, science and research branch, tehran, iran s. momen bellah fard department of environmental science, graduate school of the environment and energy, science and research branch, islamic azad university, tehran, iran s.a. hosseini

the ever increasing rate of power consumption has led to an increase in public exposure to extremely low frequency magnetic fields (elf-mfs) and brought severe concerns about their health effects. considering previous studies and the facts about potential health effects of these fields, the present study aimed to evaluate the elf-mf flux densities from power distribution lines near hospitals in...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید