Morphological and electrophysiological changes produced by electrical stimulation in cultured neuroblastoma cells.

abstract：:An elementary model consisting of one charged particle in a viscous medium exposed to weak ac-dc low-frequency magnetic fields is analyzed to identify and explain the fundamental characteristics of the physical mechanisms that result in a resonance response, which is similar to the familiar cyclotron resonance. The mo...

journal_title：Bioelectromagnetics

authors： Durney CH,Rushforth CK,Anderson AA

更新日期：1988-01-01 00:00:00

abstract：:We have previously reported that the exposure to an abnormal magnetic field simulating the one encountered by the International Space Station (ISS) orbiting around the Earth may enhance autonomic response to emotional stimuli. Here we report the results of the second part of that study which tested whether this field ...

journal_title：Bioelectromagnetics

authors： Del Seppia C,Mezzasalma L,Messerotti M,Cordelli A,Ghione S

更新日期：2009-01-01 00:00:00

abstract：:This study examined the time dependence effects of exposure to radiofrequency radiation (RFR) emitted by standard GSM cellular phones on the cognitive functions of humans. A total of 48 healthy right-handed male subjects performed a spatial working memory task (that required either a left-hand or a right-hand response...

journal_title：Bioelectromagnetics

authors： Luria R,Eliyahu I,Hareuveny R,Margaliot M,Meiran N

更新日期：2009-04-01 00:00:00

abstract：:Recent interest in the transient magnetic field events produced by electrical switching events in residential and occupational environments has been kindled by the possibility that these fields may explain observed associations between childhood cancer and wire codes. This paper reports the results of a study in which...

journal_title：Bioelectromagnetics

authors： Kaune WT,Bracken TD,Senior RS,Rankin RF,Niple JC,Kavet R

更新日期：2000-04-01 00:00:00

abstract：:Several investigators have reported robust, statistically significant results that indicate that weak (approximately 1 microT) magnetic fields (MFs) increase the rate of morphological abnormalities in chick embryos. However, other investigators have reported that weak MFs do not appear to affect embryo morphology at a...

journal_title：Bioelectromagnetics

authors： Farrell JM,Litovitz TL,Penafiel M,Montrose CJ,Doinov P,Barber M,Brown KM,Litovitz TA

更新日期：1997-01-01 00:00:00

abstract：:We describe devices designed for magnetic field exposures in which field amplitude and gradients are controlled simultaneously. Dosimetry based on field continuation of high resolution magnetic field scans and numerical models is compared with validation measurements. The dosimetry variables we consider are based on t...

journal_title：Bioelectromagnetics

authors： Engström S,Markov MS,McLean MJ,Jones RA,Holcomb RR

更新日期：2005-05-01 00:00:00

abstract：:The effect of 1 Hz, 30 mT pulsed magnetic fields on young adult rat femoral metaphyseal bone thickness was assessed. Ten same litter, female Wistar rats were studied; five of them underwent 30 min magnetic stimulation sessions for 20 consecutive days. The anterior and posterior cortical, as well as trabecular bone tra...

journal_title：Bioelectromagnetics

authors： Márquez-Gamiño S,Sotelo F,Sosa M,Caudillo C,Holguín G,Ramos M,Mesa F,Bernal J,Córdova T

更新日期：2008-07-01 00:00:00

abstract：:Despite experimental evidence supporting ICR-like interactions in biological systems, to date there is no reasonable theoretical explanation for this phenomenon. The parametric resonance approach introduced by Lednev has enjoyed limited success in predicting the response as a function of the ratio of AC magnetic inten...

journal_title：Bioelectromagnetics

authors： Vincze G,Szasz A,Liboff AR

更新日期：2008-07-01 00:00:00

abstract：:Effects of magnetic fields (MFs) on the activities of antioxidant enzymes of suspension-cultured tobacco cells were investigated. Compared with the control cells, exposure of the cells to static MF with the magnitudes of 10 and 30 mT for 5 days, 5 h each day, increased the activity of superoxide dismutase (SOD). In co...

journal_title：Bioelectromagnetics

authors： Sahebjamei H,Abdolmaleki P,Ghanati F

更新日期：2007-01-01 00:00:00

abstract：:In May 2011, the International Agency on Cancer in Research (IARC) issued an official statement concluding that cell phone usage was "possibly carcinogenic to humans." There have been considerable doubts that non-experts and experts alike fully understood what IARC's categorization actually meant, as "possibly carcino...

journal_title：Bioelectromagnetics

authors： Wiedemann PM,Boerner FU,Repacholi MH

更新日期：2014-07-01 00:00:00

abstract：:Reports that low-intensity microwave radiation induces heat-shock reporter gene expression in the nematode, Caenorhabditis elegans, have recently been reinterpreted as a subtle thermal effect caused by slight heating. This study used a microwave exposure system (1.0 GHz, 0.5 W power input; SAR 0.9-3 mW kg(-1) for 6-we...

journal_title：Bioelectromagnetics

authors： Dawe AS,Bodhicharla RK,Graham NS,May ST,Reader T,Loader B,Gregory A,Swicord M,Bit-Babik G,de Pomerai DI

更新日期：2009-12-01 00:00:00

abstract：:Adair [Bioelectromagnetics 14:1-4, 1993] writes that "the effects of 60 Hz magnetic fields of 5 microT (50 mG) or less on biological structures holding magnetite (Fe3O4) are shown to be much smaller than those from thermal agitation; hence such interactions cannot be expected to be biologically significant." This conc...

journal_title：Bioelectromagnetics

authors： Polk C

更新日期：1994-01-01 00:00:00

abstract：:Sixteen pregnant Holstein heifers weighing 521 +/- 46 kg, at 3.3 +/- 0.7 months of gestation and 2.2 +/- 2.0 months of age were confined to wooden metabolism cages and were exposed to a vertical electric field (EF) of 10.0 +/- 0.4 kV/m and an artificial light cycle of 12 h light-12 h dark. The heifers were divided int...

journal_title：Bioelectromagnetics

authors： Burchard JF,Nguyen DH,Monardes HG,Petitclerc D

更新日期：2004-05-01 00:00:00

abstract：:We present a geospatial model to predict the radiofrequency electromagnetic field from fixed site transmitters for use in epidemiological exposure assessment. The proposed model extends an existing model toward the prediction of indoor exposure, that is, at the homes of potential study participants. The model is based...

journal_title：Bioelectromagnetics

authors： Bürgi A,Frei P,Theis G,Mohler E,Braun-Fahrländer C,Fröhlich J,Neubauer G,Egger M,Röösli M

更新日期：2010-04-01 00:00:00

abstract：:A novel exposure system for double-blind human electromagnetic provocation studies has been developed that satisfies the precision, control of fields and potential artifacts, and provides the flexibility to investigate the response of hypotheses-driven electromagnetic field exposure schemes on brain function, ranging ...

journal_title：Bioelectromagnetics

authors： Murbach M,Christopoulou M,Crespo-Valero P,Achermann P,Kuster N

更新日期：2012-09-01 00:00:00

abstract：:Our previous studies showed that extremely low frequency magnetic fields (ELF-MFs) inhibited tumor growth and change proportion of splenic regulatory T cells (Treg cells). Here, we focus on the effect of ELF-MFs on lung metastatic melanoma mouse model and the regulatory mechanism of ELF-MFs on the differentiation of T...

journal_title：Bioelectromagnetics

authors： Tang R,Xu Y,Ma F,Ren J,Shen S,Du Y,Hou Y,Wang T

更新日期：2016-02-01 00:00:00

abstract：:We suggest an experimental comparison of two directions for applying the time-varying magnetic fields which have been found to speed spontaneous regeneration of injured peripheral nerves and in attempts to repair spinal cord injuries. Time-varying magnetic fields induce currents in a plane perpendicular to the magneti...

journal_title：Bioelectromagnetics

authors： Greenebaum B,Sisken BF

更新日期：2007-09-01 00:00:00

abstract：:Fertile eggs of the Coturnix quail were exposed twice a day for 30 min to 2.45-GHz continuous wave radiation at power densities of 25 or 50 mW cm-2 throughout the 17-day incubation period. Other eggs were exposed to 20 degrees C or 24 degrees C temperatures twice daily. Repeated exposures to 20 degrees C, 24 degrees C...

journal_title：Bioelectromagnetics

authors： Byman D,Battista SP,Wasserman FE,Kunz TH

更新日期：1985-01-01 00:00:00

abstract：:We have shown that 50 Hz sinusoidal magnetic fields within the 5-10 microTesla (microT) rms range cause an intensity-dependent reduction in nerve growth factor (NGF) stimulation of neurite outgrowth (NO) in PC-12 cells. Here we report on the frequency dependence of this response over the 15-70 Hz range at 5 Hz interva...

journal_title：Bioelectromagnetics

authors： Blackman CF,Benane SG,House DE

更新日期：1995-01-01 00:00:00

abstract：:There are large disparities between basic restrictions for exposure to extremely low-frequency (0-3 kHz) Electric and Magnetic Fields set by two major international bodies. Both bodies agree that these basic restrictions should prevent neuro-stimulatory effects: the retinal phosphene at frequencies up to a few hundred...

journal_title：Bioelectromagnetics

authors： Wood AW

更新日期：2008-09-01 00:00:00

abstract：:Magnetic resonance (MR)-based electrical impedance tomography (MREIT) is a widely used imaging technique that provides high-resolution conductivity images at DC or below the 1 kHz frequency range. Using an MR scanner, this technique injects imaging currents into the human body and measures induced internal magnetic fl...

journal_title：Bioelectromagnetics

authors： Jeong WC,Meng ZJ,Kim HJ,Kwon OI,Woo EJ

更新日期：2014-07-01 00:00:00

abstract：:Human glioma MO54 cells were used to investigate whether radio frequency (RF) field exposure could activate stress response genes. Cells were exposed to continuous wave 1950 MHz or sham conditions for up to 2 h. Specific absorption rates (SARs) were 1, 2, and 10 W/kg. For the cell growth experiment, cell numbers were ...

journal_title：Bioelectromagnetics

authors： Miyakoshi J,Takemasa K,Takashima Y,Ding GR,Hirose H,Koyama S

更新日期：2005-05-01 00:00:00

abstract：:The potential use of multiple-frequency-band radiometry as a means of noninvasive sensing of one-dimensional temperature profiles is presented in this communication. The radiative energy transfer equation is solved numerically. Ideal-condition thermal noise spectra and distributions of received energy, associated with...

journal_title：Bioelectromagnetics

authors： Prionas SD,Hahn GM

更新日期：1985-01-01 00:00:00

abstract：:Since 1994, our research has demonstrated how thermophysiological responses are mobilized in human volunteers exposed to three radio frequencies, 100, 450, and 2450 MHz. A significant gap in this frequency range is now filled by the present study, conducted at 220 MHz. Thermoregulatory responses of heat loss and heat ...

journal_title：Bioelectromagnetics

authors： Adair ER,Blick DW,Allen SJ,Mylacraine KS,Ziriax JM,Scholl DM

更新日期：2005-09-01 00:00:00

abstract：:The Minnesota Environmental Quality Board completed a 3-year study of the space charge plume outside the right of way of a bipolar (+/- 400 kV) direct current transmission line in rural west central Minnesota. The purpose of the study was to determine the levels of DC potential gradient and small airs ions in the down...

journal_title：Bioelectromagnetics

authors： Hendrickson RC

更新日期：1986-01-01 00:00:00

abstract：:In studies investigating adverse reproductive outcomes associated with video display terminal (VDT) usage, amounts of time spent in front of a VDT or magnetic field (MF) levels in front of the VDT are used as surrogate measures of subject's MF exposure. However, the relevance of such surrogates to actual exposures has...

journal_title：Bioelectromagnetics

authors： Abdollahzadeh S,Hammond SK,Schenker MB

更新日期：1996-01-01 00:00:00

abstract：:We studied the influence of magnetic fields (MFs) and simulated solar radiation (SSR) on ornithine decarboxylase (ODC) and polyamines in mouse epidermis. Chronic exposure to combined MF and SSR did not cause persistent effects on ODC activity or polyamines compared to the animals exposed only to UV, although the same ...

journal_title：Bioelectromagnetics

authors： Kumlin T,Alhonen L,Jänne J,Lang S,Kosma VM,Juutilainen J

更新日期：1998-01-01 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 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：:This study aimed to explore effects of static magnetic fields (SMFs) of moderate intensity (3-50 mT) as biophysical stimulators of proliferation and osteoblastic differentiation of human bone marrow-derived mesenchymal stem cells (MSCs). MSCs were exposed to SMFs of three intensities: 3, 15, and 50 mT. Proliferation w...

journal_title：Bioelectromagnetics

authors： Kim EC,Leesungbok R,Lee SW,Lee HW,Park SH,Mah SJ,Ahn SJ

更新日期：2015-04-01 00:00:00