Endogenous ionic currents and DC electric fields in multicellular animal tissues.

abstract：:In this article, the transmembrane voltage induced on erythrocyte, codocyte, ovalocyte and spherocyte cell models exposed to a linearly polarised electromagnetic plane wave of frequency 1800 MHz is calculated. For this purpose, a finite element (FE) numerical technique with adaptive meshing is used. The results show t...

journal_title：Bioelectromagnetics

authors： Muñoz S,Sebastián JL,Sancho M,Miranda JM

更新日期：2004-12-01 00:00:00

abstract：:This study was designed to determine the changes that occur in the thermoregulatory ability of the immature rat repeatedly exposed to low-level microwave radiation. Beginning at 6-7 days of age, previously untreated rats were exposed to 2,450-MHz continuous-wave microwaves at a power density of 5 mW/cm2 for 10 days (4...

journal_title：Bioelectromagnetics

authors： Spiers DE,Adair ER

更新日期：1987-01-01 00:00:00

abstract：:Measurements have been made of vector current densities induced by vertical, uniform, 60-Hz electric fields in the torsos of homogeneous models of swine and rats. The observed data were a strong function of the five grounding configurations invested: all four feet grounded, only front feet grounded, only rear feet gro...

journal_title：Bioelectromagnetics

authors： Kaune WT,Forsythe WC

更新日期：1988-01-01 00:00:00

abstract：:Introduction of genetic material into muscle tissue has been extensively researched, including isolation and in vitro expansion of primary myoblasts as a potential source of cells for skeletal and heart muscle tissue engineering applications. In this study, we optimized the electroporation protocol for introduction of...

journal_title：Bioelectromagnetics

authors： Lojk J,Mis K,Pirkmajer S,Pavlin M

更新日期：2015-12-01 00:00:00

abstract：:Atomic force microscopy (AFM), transmission electron microscopy (TEM), and confocal laser scanning microscopy were used to investigate the effects of a 50 Hz 0.4 mT magnetic field (MF) on the clustering of purified epidermal growth factor receptors (EGFRs) and EGFRs in Chinese hamster lung (CHL) cell membrane. The res...

journal_title：Bioelectromagnetics

authors： Jia C,Zhou Z,Liu R,Chen S,Xia R

更新日期：2007-04-01 00:00:00

abstract：:The impedance spectroscopy technique (IST) was used for studying the effect of a 0.5 T magnetic field on the electrical properties of whole human blood. A Solartron SI 1260 spectrometer was used to measure the impedance spectra of magnetic field exposed blood samples compared to non-exposed samples. An equivalent elec...

journal_title：Bioelectromagnetics

authors： Sosa M,Bernal-Alvarado J,Jiménez-Moreno M,Hernández JC,Gutiérrez-Juárez G,Vargas-Luna M,Huerta R,Villagómez-Castro JC,Palomares P

更新日期：2005-10-01 00:00:00

abstract：:The constant exposure of modern society to extremely low frequency magnetic fields (ELF-MF) has raised considerable concerns about the potential risks to male reproduction. However, the epidemiological and experimental data remain contradictory and inconclusive. In the present study, we investigated the effects of 50 ...

journal_title：Bioelectromagnetics

authors： Duan W,Liu C,Wu H,Chen C,Zhang T,Gao P,Luo X,Yu Z,Zhou Z

更新日期：2014-01-01 00:00:00

abstract：:In spite of rapid worldwide increase in mobile phone use and public concerns about associated potential health effects, little is known about patterns of mobile phone ownership and use in the general population and among children. In April 2005, we conducted a survey of mobile phone ownership and use among fourth grad...

journal_title：Bioelectromagnetics

authors： Mezei G,Benyi M,Muller A

更新日期：2007-05-01 00:00:00

abstract：:This study compares stationary home measurements with a personal exposure monitor of 60 Hz magnetic fields in a group of 18 people living near a 735 kV line and 17 people living far away from the line. Most of them were white collar workers who worked during the day. They wore a personal Positron meter for 24 h, while...

journal_title：Bioelectromagnetics

authors： Levallois P,Gauvin D,Gingras S,St-Laurent J

更新日期：1999-09-01 00:00:00

abstract：:The possible effects of repeated night-time exposure to an extremely low frequency magnetic field (ELF-MF) on melatonin were investigated in nine healthy male subjects aged 23-37 yr. The 16-week experiment consisted of 3 weeks of pre-exposure, 11 weeks of night-time exposure to MF generated from a nonheated electric s...

journal_title：Bioelectromagnetics

authors： Hong SC,Kurokawa Y,Kabuto M,Ohtsuka R

更新日期：2001-02-01 00:00:00

abstract：:The effect of magnetized physiological solution (MPS) on isolated, perfused snail heart muscle contractility, (45)Ca uptake and intracellular level of cAMP, and cGMP was studied. The existence of the relaxing effect of MPS on heart muscle at room temperature (22 degrees C) and its absence in cold medium (4 degrees C) ...

journal_title：Bioelectromagnetics

authors： Ayrapetyan G,Papanyan A,Hayrapetyan H,Ayrapetyan S

更新日期：2005-12-01 00:00:00

abstract：:This study reports the continuous 8-h monitoring of data on extremely low-frequency magnetic fields (ELF-MF) relating to 14 children and 35 teachers in 11 elementary schools in Northern Taiwan. It was anticipated that the subjects in two of these campuses would have elevated exposure to ELF-MF as a result of their clo...

journal_title：Bioelectromagnetics

authors： Lin IF,Li CY,Wang JD

更新日期：2008-10-01 00:00:00

abstract：:We have previously demonstrated that exposure of Chinese hamster lung (CHL) cells to 50 Hz magnetic fields (MFs) and/or 12-O-tetradecanoylphorbol-3-acetate (TPA)-inhibited gap junctional intercellular communication (GJIC). To explore and compare the mechanisms of GJIC inhibition induced by extremely low frequency (ELF...

journal_title：Bioelectromagnetics

authors： Zeng QL,Chiang H,Hu GL,Mao GG,Fu YT,Lu DQ

更新日期：2003-02-01 00:00:00

abstract：:The objective of the study was to investigate the influence of humidity on analyzing electric field exposure using extremely low frequency (ELF) electric field measurements. The study included 322 measurements in a climate room. We used two commercial three-axis meters, EFA-3 and EFA-300, and employed two measurement ...

journal_title：Bioelectromagnetics

authors： Korpinen LH,Kuisti HA,Tarao H,Elovaara JA

更新日期：2013-07-01 00:00:00

abstract：:Radio-frequency electromagnetic radiation (RFR) at 915 and 147 MHz, when sinusoidally amplitude modulated (AM) at 16 Hz, has been shown to enhance release of calcium ions from neuroblastoma cells in culture. The dose-response relation is unusual, consisting of two power-density "windows" in which enhanced efflux occur...

journal_title：Bioelectromagnetics

authors： Dutta SK,Das K,Ghosh B,Blackman CF

更新日期：1992-01-01 00:00:00

abstract：:This study analyzes if an external magnetic stimulus (2 kHz and approximately 0.1 μT applied near frontal cortex) influences working memory, perception, binary decision, motor execution, and sustained attention in humans. A magnetic stimulus and a sham stimulus were applied to both sides of the head (frontal cortex cl...

journal_title：Bioelectromagnetics

authors： Navarro EA,Gomez-Perretta C,Montes F

更新日期：2016-01-01 00:00:00

abstract：:The objective was to study the risk of cytogenetic damage among high voltage laboratory workers exposed to electromagnetic fields and mineral oil. This is a cross sectional study of 24 exposed and 24 matched controls in a Norwegian transformer factory. The exposure group included employees in the high voltage laborato...

journal_title：Bioelectromagnetics

authors： Skyberg K,Hansteen IL,Vistnes AI

更新日期：2001-04-01 00:00:00

abstract：:The effect of millimeter waves (MMWs) on the genome conformational state (GCS) of E. coli AB1157 cells was studied by the method of anomalous viscosity time dependencies (AVTD) in the frequency range of 51.64-51.85 GHz. The 51.755 GHz resonance frequency of the cell reaction to MMWs did not depend on power density (PD...

journal_title：Bioelectromagnetics

authors： Belyaev IY,Shcheglov VS,Alipov YD,Polunin VA

更新日期：1996-01-01 00:00:00

abstract：:Mice were exposed in the far field in an anechoic chamber to 2,880-MHz pulsed microwaves 3 to 7.5 h daily, 5 days/week for 60 to 360 h. Three experiments were performed at average power densities of 5 mW/cm2 and six at 10 mW/cm2, corresponding to averaged specific absorption rates (SARs) of 2.25 and 4.50 mW/g, respect...

journal_title：Bioelectromagnetics

authors： Ragan HA,Phillips RD,Buschbom RL,Busch RH,Morris JE

更新日期：1983-01-01 00:00:00

abstract：:B lymphocytes collected from normal ICR Swiss mouse spleens were exposed in vitro in a Crawford cell to 147-MHz radiofrequency (RF) radiation, amplitude modulated by a 9-, 16-, or 60-Hz sine wave. The power densities ranged between 0.11 and 48 mW/cm2. The irradiated samples and the controls were maintained at 37 degre...

journal_title：Bioelectromagnetics

authors： Sultan MF,Cain CA,Tompkins WA

更新日期：1983-01-01 00:00:00

abstract：:The use of wireless digital communication devices like GSM, WCDMA, HSPA, DECT, and WiFi changes the exposure of electromagnetic waves toward the user. Concentrating on the power variations on a slow and fast time scale, these new systems are discussed. Experimental results for both uplink and downlink are included for...

journal_title：Bioelectromagnetics

authors： Andersen JB,Mogensen PE,Pedersen GF

更新日期：2010-05-01 00:00:00

abstract：:Studies have evaluated the electroencephalography (EEG) of humans and laboratory animals during and after Radiofrequency (RF) exposures. Effects of RF exposure on the blood-brain barrier (BBB) have been generally accepted for exposures that are thermalizing. Low level exposures that report alterations of the BBB remai...

journal_title：Bioelectromagnetics

authors： D'Andrea JA,Chou CK,Johnston SA,Adair ER

更新日期：2003-01-01 00:00:00

abstract：:Data are presented on ankle-specific SARs and foot currents as a function of strengths of radio-frequency electromagnetic fields encountered by operators of dielectric heaters. The determination of foot currents was based on near-field exposures in which reactive coupling dominates, and which can result in substantial...

journal_title：Bioelectromagnetics

authors： Conover DL,Moss CE,Murray WE,Edwards RM,Cox C,Grajewski B,Werren DM,Smith JM

更新日期：1992-01-01 00:00:00

abstract：:Heat shock proteins (HSPs) are rapidly induced by a variety of stressors, including heat shock, ethanol, heavy metals, UV, and gamma-radiation. Mitogen-activated protein kinases (MAPKs) are also involved in the stress transduction pathways in all eukaryotes. In this study, we attempted to determine whether radiofreque...

journal_title：Bioelectromagnetics

authors： Lee JS,Huang TQ,Kim TH,Kim JY,Kim HJ,Pack JK,Seo JS

更新日期：2006-10-01 00:00:00

abstract：:We summarize the results of several of our recent studies on the dielectric properties of protein solutions, tissues, and nonionic microemulsions at microwave frequencies extending to 18 GHz. The data in all cases are analyzed using the Maxwell mixture theory to determine the dielectric properties of the suspending wa...

journal_title：Bioelectromagnetics

authors： Foster KR,Schepps JL,Epstein BR

更新日期：1982-01-01 00:00:00

abstract：:The potential effects of radiofrequency (RF) exposure on the genetic material of cells are very important to determine since genome instability of somatic cells may be linked to cancer development. In response to genetic damage, the p53 protein is activated and can induce cell cycle arrest allowing more time for DNA r...

journal_title：Bioelectromagnetics

authors： Bourthoumieu S,Magnaudeix A,Terro F,Leveque P,Collin A,Yardin C

更新日期：2013-01-01 00:00:00

abstract：:The aim of the present study was to determine millimeter wave (MMW) absorption by blood vessels traversing the subcutaneous fat layer of murine skin. Most calculations were performed using the finite-difference time-domain (FDTD) technique. We used two types of models: (1) a rectangular block of multilayer tissue with...

journal_title：Bioelectromagnetics

authors： Alekseev SI,Ziskin MC

更新日期：2011-09-01 00:00:00

abstract：:Published and new data for grounded humans, swine, and rats exposed to vertical, 60-Hz electric fields are used to determine field strengths at the surfaces of the bodies and average components of induced-current density along the axes of the bodies. At the tops of the bodies, surface electric fields are increased (en...

journal_title：Bioelectromagnetics

authors： Kaune WT,Phillips RD

更新日期：1980-01-01 00:00:00

abstract：:The effects of hyperthermia, alone and in conjunction with microwave exposure, on brain energetics were studied in anesthetized male Sprague-Dawley rats. The effect of temperature on adenosine triphosphate concentration [ATP] and creatine phosphate concentration [CP] was determined in the brains of rats that were main...

journal_title：Bioelectromagnetics

authors： Sanders AP,Joines WT

更新日期：1984-01-01 00:00:00

abstract：:The hypogeomagnetic field (HGMF; magnetic fields <200 nT) is one of the fundamental environmental factors of space. However, the effect of HGMF exposure on living systems remains unclear. In this article, we examine the biological effects of HGMF on the embryonic development of Xenopus laevis (African clawed frog). A ...

journal_title：Bioelectromagnetics

authors： Mo WC,Liu Y,Cooper HM,He RQ

更新日期：2012-04-01 00:00:00