نتایج جستجو برای: extremely low frequency electromagnetic fields

تعداد نتایج: 1915865  

Introduction: Electrochemotherapy (ECT) is a cancer treatment modality to permeabilize cell membrane facilitating the non-permeant molecules to gain access to the cytosol of cells. Nevertheless, environmental electromagnetic fields (EMFs) may disturb the efficiency of ECT. The present study aimed to investigate the effect of EMFs 900 MHz pulse-modulated by 217 Hz extremely low-frequency fields ...

Journal: :iranian journal of medical physics 0
mehdi roknian m.sc., in health science, tehran university of medical sciences, tehran, iran parvin nassiri professor, health science dept., tehran university of medical sciences, tehran, iran hojat zeraati associate professor, public health science dept., tehran university of medical sciences, tehran, iran mohammad gholami m.d., sepahe eslam makhsus highway, defense industries organization (d.i.o), armament industries group.hadid industries

introduction: it is important that biological and health effects from the induction of currents and fields in the body by extremely low frequency (elf) fields are fully explored to determine the effects produced at the molecular, cellular and organ levels. the objective of this study was to evaluate the intensity of elf electromagnetic fields and its probable relationship with hematological cha...

2012
P. Sowa

The article reviews the current state of large-scale studies about the impact of electromagnetic field on natural environment. The scenario of investigations – simulation of natural conditions at the workplace, taking into consideration the influence both low and high frequency electromagnetic fields is shown.The biological effects of low and high frequency electromagnetic fields are below pres...

Journal: :Electromagnetic biology and medicine 2012
S A Shafiei S M Firoozabadi K Rasoulzadeh Tabatabaie M Ghabaee

It has been reported that human subjects exposed to electromagnetic fields exhibit changes in human EEG signals at the frequency of stimulation. The aim of the present study was to expose different parts of the brain to extremely low-frequency magnetic fields locally and investigate EEG power spectrum alters at the frequency of stimulation. EEG relative power spectrum were evaluated at 3, 5, 10...

2012
P. Sowa

The article reviews the current state of large-scale studies about the impact of electromagnetic field on natural environment. The scenario of investigations – simulation of natural conditions at the workplace, taking into consideration the influence both low and high frequency electromagnetic fields is shown.The biological effects of low and high frequency electromagnetic fields are below pres...

Journal: :Neurocomputing 2011
Robert Z. Stodilka Julien Modolo Frank S. Prato John A. Robertson Charles Cook John Patrick Anne Beuter Alex W. Thomas Alexandre Legros

How extremely low frequency (ELF) electromagnetic fields (such as power line exposure) impacts brain activity is today an intense area of research. One challenge is to unveil transduction mechanisms allowing ELF to interact with brain tissue. Thus, we present a cortical network model receiving internal and external stimuli. Using frequency analysis, we study how these stimuli durably modulate n...

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