Transmembrane voltage induced on altered erythrocyte shapes exposed to RF fields.

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：:Some epidemiological studies suggest association of childhood cancer with occupational exposure of the parents to magnetic fields. To test this relationship, 50 each of C57BL/6J female and C3H/HeJ male mice were exposed for 2 and 9 weeks, respectively, to 50 Hz sham (group A), 0.5 (group B), and 5 mT (group C) sinusoi...

journal_title：Bioelectromagnetics

authors： Otaka Y,Chida T,Yamagishi Y,Kitamura S

更新日期：2002-04-01 00:00:00

abstract：:Experiments were conducted to see whether the cellular response to electromagnetic (EM) fields occurs through a detection process involving temporal sensing. L929 cells were exposed to 60 Hz magnetic fields and the enhancement of ornithine decarboxylase (ODC) activity was measured to determine cellular response to the...

journal_title：Bioelectromagnetics

authors： Litovitz TA,Penafiel M,Krause D,Zhang D,Mullins JM

更新日期：1997-01-01 00:00:00

abstract：:Findings from prior studies of possible health and physiological effects from mobile phone use have been inconsistent. Exposure periods in provocation studies have been rather short and personal characteristics of the participants poorly defined. We studied the effect of radiofrequency field (RF) on self-reported symp...

journal_title：Bioelectromagnetics

authors： Hillert L,Akerstedt T,Lowden A,Wiholm C,Kuster N,Ebert S,Boutry C,Moffat SD,Berg M,Arnetz BB

更新日期：2008-04-01 00:00:00

abstract：:Magnetic fields (60 Hz) of 1.5 and 80 microT caused a significant reduction in the weight of Drosophila melanogaster. Moreover, fruit flies in an 80 microT field showed lower developmental stability than either those in a 0 or 1.5 microT field. Developmental instability was measured by fluctuating asymmetry and freque...

journal_title：Bioelectromagnetics

authors： Graham JH,Fletcher D,Tigue J,McDonald M

更新日期：2000-09-01 00:00:00

abstract：:The aim of the present study was to investigate the influence of 50 Hz sinusoidal magnetic field on Hsp27, Hsp70, and Hsp90 expression in a model of primary culture of porcine aortic endothelial cells (PAEC). We took into consideration the Hsp profile in terms of mRNA expression, protein expression and protein localiz...

journal_title：Bioelectromagnetics

authors： Bernardini C,Zannoni A,Turba ME,Bacci ML,Forni M,Mesirca P,Remondini D,Castellani G,Bersani F

更新日期：2007-04-01 00:00:00

abstract：:A mechanism is presented that predicts new biological effects of static and sinusoidal weak magnetic fields. The model is based on an earlier proposed interference mechanism of quantum states of ions within protein cavities. The quantum dynamics of an ion is studied for the case of ion-protein complexes that rotate in...

journal_title：Bioelectromagnetics

authors： Binhi VN

更新日期：2000-01-01 00:00:00

abstract：:This is the first of two articles addressing the most appropriate crossover frequency at which incident power flux density (S(inc)) replaces the spatial peak value of the specific energy absorption rate (SAR) averaged over 1 or 10 g (i.e., peak 1 or 10 g SAR) as the basic restriction for protecting against radiofreque...

journal_title：Bioelectromagnetics

authors： Anderson V,Croft R,McIntosh RL

更新日期：2010-09-01 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：:As a result of ischaemia/reperfusion, massive generation of reactive oxygen species occurs, followed by decreased activity of antioxidant enzymes. Extremely low frequency electromagnetic fields (ELF-EMF) can modulate oxidative stress, but there are no clinical antioxidant studies in brain stroke patients. The aim of o...

journal_title：Bioelectromagnetics

authors： Cichoń N,Bijak M,Miller E,Saluk J

更新日期：2017-07-01 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：:The influence of a pulsed magnetic field (PMF; sawtooth with 45-microseconds linear rise time and 5-microseconds decay time, peak strength of 15 microT, and frequency 20000 pps) [corrected] on the embryogenesis of CBA/S mice was investigated in five experiments based on a total of 707 exposed and 543 unexposed primigr...

journal_title：Bioelectromagnetics

authors： Frölen H,Svedenstål BM,Paulsson LE

更新日期：1993-01-01 00:00:00

abstract：:To be able to correlate real time membrane potential or ion flux changes with further downstream gene transcription responses due to extremely low frequency (ELF) electromagnetic field (EMF) exposure, we devised an experimental system consisting of a pair of symmetric circular coils. This system can be used on an inve...

journal_title：Bioelectromagnetics

authors： Rao RR,Kisaalita WS

更新日期：2004-01-01 00:00:00

abstract：:The mechanism by which animals detect weak electric and magnetic fields has not yet been elucidated. We propose that transduction of an electric field (E) occurs at the apical membrane of a specialized cell as a consequence of an interaction between the field and glycoproteins bound to the gates of ion channels. Accor...

journal_title：Bioelectromagnetics

authors： Kolomytkin OV,Dunn S,Hart FX,Frilot C 2nd,Kolomytkin D,Marino AA

更新日期：2007-07-01 00:00:00

abstract：:The aim of our study was to test the feasibility and reliability of personal dosimetry. Twenty-four hour exposure assessment was carried out in 42 children, 57 adolescents, and 64 adults using the Maschek dosimeter prototype. Self-reported exposure to mobile phone frequencies were compared with the dosimetry results. ...

journal_title：Bioelectromagnetics

authors： Radon K,Spegel H,Meyer N,Klein J,Brix J,Wiedenhofer A,Eder H,Praml G,Schulze A,Ehrenstein V,von Kries R,Nowak D

更新日期：2006-01-01 00:00:00

abstract：:Magnetic targeting is a promising therapeutic strategy for localizing systemically delivered magnetic responsive drugs or cells to target tissue, but excessive aggregation of magnetic particles could result in vascular embolization. To analyze the reason for embolization, the attractive process of magnetic particles i...

journal_title：Bioelectromagnetics

authors： Pei N,Cheng X,Huang Z,Wang X,Yang K,Wang Y,Gong Y

更新日期：2016-07-01 00:00:00

abstract：:To assess the effect of a magnetic treatment on pain perception, we compared the sensory threshold in 18 healthy volunteers. We determined the threshold by noninvasive electrical stimulation of the tooth pulp and skin before and after exposure to an altered magnetic field of low intensity and to a sham treatment. Five...

journal_title：Bioelectromagnetics

authors： Papi F,Ghione S,Rosa C,Del Seppia C,Luschi P

更新日期：1995-01-01 00:00:00

abstract：:The fundamental intramolecular frequency of a globular protein can be obtained from the measurements of acoustic velocities of bulk protein matter. This lowest frequency for common size molecules is shown to be above several hundred GHz. All modes below this frequency would then be intermolecular modes or bulk modes o...

journal_title：Bioelectromagnetics

authors： Prohofsky EW

更新日期：2004-09-01 00:00:00

abstract：:We exposed normal human epidermal keratinocytes to short duration, high frequency, and low amplitude electromagnetic fields, similar to that used by mobile phone technologies. We paid particular attention to the control of the characteristics of the electromagnetic environment generated within a mode stirred reverbera...

journal_title：Bioelectromagnetics

authors： Roux D,Girard S,Paladian F,Bonnet P,Lalléchère S,Gendraud M,Davies E,Vian A

更新日期：2011-05-01 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：:We investigated the thermal distribution and cardiovascular effects produced by sustained exposure of rats to 94 GHz radio-frequency electromagnetic radiation (RFR). Sixteen ketamine-anesthetized Sprague-Dawley rats were exposed individually at a power density of 75 mW/cm2 under far-field conditions in E orientation. ...

journal_title：Bioelectromagnetics

authors： Jauchem JR,Ryan KL,Frei MR

更新日期：1999-01-01 00:00:00

abstract：:This report describes some experimental measurements of the internal field levels induced within isolated chick-forebrains irradiated at 50, 147, and 450 MHz, under essentially the same conditions as those used in the in vitro calcium-ion efflux experiments. Ratios of incident power at 50/147 MHz and 147/450 MHz that ...

journal_title：Bioelectromagnetics

authors： Weil CM,Spiegel RJ,Joines WT

更新日期：1984-01-01 00:00:00

abstract：:The stimulatory effects on germination of seeds and growth of plants of static magnetic field (MF) pre-treatments depending on MF intensity, exposure time periods, signal form, flux density, and source frequencies on plants are reported. Seed germination frequency is low due to dormancy in Lathyrus chrysanthus Boiss. ...

journal_title：Bioelectromagnetics

authors： Bahadir A,Beyaz R,Yildiz M

更新日期：2018-10-01 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：:In a previous investigation we reported that exposure to a moderate (300 mT) static magnetic field (SMF) causes transient DNA damage and promotes mitochondrial biogenesis in human umbilical vein endothelial cells (HUVECs). To better understand the response of HUVECs to the 300 mT SMF, a high-quality subtracted cDNA li...

journal_title：Bioelectromagnetics

authors： Polidori E,Zeppa S,Potenza L,Martinelli C,Colombo E,Casadei L,Agostini D,Sestili P,Stocchi V

更新日期：2012-01-01 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：:In a previous study, we showed that operators of radiofrequency (RF) plastic sealers, RF operators (n = 35) had a lower heart rate during nighttime compared to a control group (n = 37). We have analyzed the heart rate variability (HRV) on the same group of people to better understand the possible underlying rhythm dis...

journal_title：Bioelectromagnetics

authors： Wilén J,Wiklund U,Hörnsten R,Sandström M

更新日期：2007-01-01 00:00:00

abstract：:Occupational exposure to the high static magnetic fields (SMFs) during magnetic resonance imaging (MRI) examinations raises concerns of adverse health effects. In this study, personal exposure monitoring of the magnetic fields during routine examinations in two 3 T MRI systems was carried out. A three-axis Hall magnet...

journal_title：Bioelectromagnetics

authors： Yamaguchi-Sekino S,Nakai T,Imai S,Izawa S,Okuno T

更新日期：2014-01-01 00:00:00

abstract：:The effects of exposure to clinical magnetic resonance imaging (MRI) on analgesia induced by the mu opiate agonist, fentanyl, was examined in mice. During the dark period, adult male mice were exposed for 23.2 min to the time-varying (0.6 T/sec) magnetic field (TVMF) component of the MRI procedure. Following this expo...

journal_title：Bioelectromagnetics

authors： Teskey GC,Prato FS,Ossenkopp KP,Kavaliers M

更新日期：1988-01-01 00:00:00

abstract：:Both eyes of anesthetized cynomolgus monkeys (Macaca fascicularis) were irradiated with 2.45-GHz microwaves, either pulsed or continuous wave. In vivo corneal endothelial abnormalities were observed by specular microscopy and confirmed through histologic techniques after a 16- to 48-hour postexposure period. Pulsed mi...

journal_title：Bioelectromagnetics

authors： Kues HA,Hirst LW,Lutty GA,D'Anna SA,Dunkelberger GR

更新日期：1985-01-01 00:00:00