Differential intensity-dependent effects of pulsed electromagnetic fields on RANKL-induced osteoclast formation, apoptosis, and bone resorbing ability in RAW264.7 cells.

abstract：:Chemical and bacterial synthesis of a thermochemiluminescent polymer known as diazoluminomelanin (DALM) has been previously reported. This paper focuses on the intracellular synthesis of aminomelanin (AM) in mammalian cell lines and subsequent DALM synthesis from this core molecule. B16 melanoma cells, HL-60 myeloid l...

journal_title：Bioelectromagnetics

authors： Bruno JG,Kiel JL

更新日期：1994-01-01 00:00:00

abstract：:Extremely-low-frequency (ELF) and very-low-frequency (VLF) magnetic fields as emitted by monochrome and multichrome video display units (VDUs) were measured for their frequency domains. The rms magnetic-flux densities (MFDs) were measured as a function of distance from all six sides of VDUs of four types. The MFDs at ...

journal_title：Bioelectromagnetics

authors： Tofani S,D'Amore G

更新日期：1991-01-01 00:00:00

abstract：:Vertigo-like sensations or apparent perception of movement are reported by some subjects and operators in and around high field whole body magnetic resonance body scanners. Induced currents (which modulate the firing rate of the vestibular hair cell), magneto-hydrodynamics (MDH), and tissue magnetic susceptibility dif...

journal_title：Bioelectromagnetics

authors： Glover PM,Cavin I,Qian W,Bowtell R,Gowland PA

更新日期：2007-07-01 00:00:00

abstract：:Stress proteins are important in protection during cardiac ischemia/reperfusion (cessation and return of blood flow) and are reportedly induced by electromagnetic (EM) fields. This suggests a possible ischemia protection role for EM exposures. To test this, chick embryos (96 h) were exposed to 60 Hz magnetic fields pr...

journal_title：Bioelectromagnetics

authors： DiCarlo AL,Farrell JM,Litovitz TA

更新日期：1998-01-01 00:00:00

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：:Cultures of Escherichia coli kept at 0 degree C in a phosphate buffer solution were exposed to a sinusoidal weak 60- or 600-Hz magnetic field of strength 2 X 10(-3) Tesla. A decrease of more than 40% in bacterial count was observed after a 60-h exposure to the magnetic field. Electron micrographs of exposed bacteria s...

journal_title：Bioelectromagnetics

authors： Ramon C,Ayaz M,Streeter DD Jr

更新日期：1981-01-01 00:00:00

abstract：:An experimental arrangement is described that maximized the dosimetric information that can be obtained during in vitro studies with ELF magnetic fields. The arrangement enables researchers to distinguish between a purely magnetic-field effect and one that also involves the electric fields and currents induced by the ...

journal_title：Bioelectromagnetics

authors： Misakian M,Kaune WT

更新日期：1990-01-01 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 level of exposure of laboratory animals to 60-Hz electric fields is commonly specified in terms of the unperturbed field strength present before the introduction of experimental subjects and their cages. In the research reported in this paper, rats were housed in two parallel rows in 12.4 cm x 25.1 cm x 10.2 cm hi...

journal_title：Bioelectromagnetics

authors： Kaune WT

更新日期：1981-01-01 00:00:00

abstract：:The US National Electrical Code's (NEC) requirement to ground a home's electrical service to the residential water line results in a voltage between the water line and earth, V W-E. The voltage may result from ground return current that flows into the earth via the water line or from inductive effects from other sourc...

journal_title：Bioelectromagnetics

authors： Kavet R,Zaffanella LE,Pearson RL,Dallapiazza J

更新日期：2004-10-01 00:00:00

abstract：:The objective of this study was to develop a model for testing various hypotheses concerning possible mechanisms whereby electromagnetic fields might induce suppression of nighttime melatonin production in rodents. A published method for digesting freshly obtained pineal glands to the single cell level was modified, y...

journal_title：Bioelectromagnetics

authors： Rosen LA,Barber I,Lyle DB

更新日期：1998-01-01 00:00:00

abstract：:The extent of electromagnetic interference (EMI) from 16.7-Hz alternate current power lines in the human surface electrocardiogram (ECG) was evaluated. Results showed a direct linear correlation between mean EMI and magnetic induction of 5.8-21 microT on a railroad platform (electric field: 270 V/m). EMI inside a rail...

journal_title：Bioelectromagnetics

authors： Schlimp CJ,Breiteneder M,Seifert J,Lederer W

更新日期：2007-07-01 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：:The main purpose of this study is to investigate potential responses of skin cells to millimeter wave (MMW) radiation increasingly used in the wireless technologies. Primary human skin cells were exposed for 1, 6, or 24 h to 60.4 GHz with an average incident power density of 1.8 mW/cm(2) and an average specific absorp...

journal_title：Bioelectromagnetics

authors： Le Quément C,Nicolas Nicolaz C,Zhadobov M,Desmots F,Sauleau R,Aubry M,Michel D,Le Dréan Y

更新日期：2012-02-01 00:00:00

abstract：:In the present experiment, the effect of a single 30 min inhomogeneous static magnetic field (SMF) exposure on thermal pain threshold (TPT) was examined in 15 young healthy human volunteers. The SMF had a maximum peak-to-peak amplitude of 330 mT with a maximum gradient of 13.2 T/m. In either of two experimental sessio...

journal_title：Bioelectromagnetics

authors： Kovács-Bálint Z,Csathó A,László JF,Juhász P,Hernádi I

更新日期：2011-02-01 00:00:00

abstract：:Previously, we have reported that exposure to 50 Hz coherent sinusoidal magnetic fields (MF) for 24 h inhibits gap junction intercellular communication (GJIC) in mammalian cells at an intensity of 0.4 mT and enhances the inhibition effect of 12-O-tetradecanoylphorbol-13-acetate (TPA) at 0.2 mT. In the present study, w...

journal_title：Bioelectromagnetics

authors： Zeng Q,Ke X,Gao X,Fu Y,Lu D,Chiang H,Xu Z

更新日期：2006-05-01 00:00:00

abstract：:Electric fields induced in a conductive body by the magnetic field of a current-carrying wire were analyzed theoretically and experimentally to assess the dosimetric importance of highly nonuniform, field-exposure conditions. Experimentation revealed that a 60-Hz magnetic field was inversely proportional to the radius...

journal_title：Bioelectromagnetics

authors： Robertson-De Mers KA,Miller DL

更新日期：1992-01-01 00:00:00

abstract：:The aim of this study was to determine a current density threshold for exciting the motor cortex area of the brain. The current density threshold for excitation of nerve fibres (20 microm in diameter) found in the literature is approximately 1 A/m(2) at frequencies lower than 1 kHz. In consideration of a safety factor...

journal_title：Bioelectromagnetics

authors： Kowalski T,Silny J,Buchner H

更新日期：2002-09-01 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：:This paper investigates the effect of relevant physical parameters on transient temperature elevation induced in human tissues by electromagnetic waves in the terahertz (THz) band. The problem is defined by assuming a plane wave, which, during a limited time interval, normally impinges on the surface of a 3-layer mode...

journal_title：Bioelectromagnetics

authors： Zilberti L,Arduino A,Bottauscio O,Chiampi M

更新日期：2014-07-01 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 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：:In this acceptance address for the Bioelectromagnetics Society's 2001 d'Arsonval Award, Dr. Tenforde reviews the highlights of the nonionizing field aspects of his research and scientific service career. These are focused in four areas: (a). development and application of microelectrophoretic methods to probe the surf...

journal_title：Bioelectromagnetics

authors： Tenforde TS

更新日期：2003-01-01 00:00:00

abstract：:The effects of exposure to a 50 Hz magnetic field (maximum of 41.7 to 43.6 mT) on the membrane protein structures of living HeLa cells were studied using attenuated total reflection infrared spectroscopy. One min of such exposure shifted peak absorbance of the amide I band to a smaller wave number, reduced peak absorb...

journal_title：Bioelectromagnetics

authors： Ikehara T,Yamaguchi H,Hosokawa K,Miyamoto H,Aizawa K

更新日期：2003-10-01 00:00:00

abstract：:This study examines childhood cancer risk in relation to certain factors likely to indicate magnetic field exposure from ground currents in the home. Substantial ground currents are most often found in homes having conductive plumbing, in which an uninterrupted metallic path in the water pipes and water main connects ...

journal_title：Bioelectromagnetics

authors： Wertheimer N,Savitz DA,Leeper E

更新日期：1995-01-01 00:00:00

abstract：:The aim of this study was to elucidate the possible effects of short-term exposure to a 1439-MHz electromagnetic field (EMF) employing time division multiple access (TDMA), which is the basis of the Japanese Personal Digital Cellular system, on estrogenic activity in rats. Sixty-four ovariectomized female Sprague-Dawl...

journal_title：Bioelectromagnetics

authors： Yamashita H,Hata K,Yamaguchi H,Tsurita G,Wake K,Watanabe S,Taki M,Ueno S,Nagawa H

更新日期：2010-10-01 00:00:00

abstract：:In view of possible therapeutic applications of magnetic fields, the effect of an enhancement of neuronal outgrowth at higher figures of flux density and induced field strength was investigated. On the average sinusoidal magnetic field treatment at 100 microTrms/50 Hz did not change nerve growth factor (NGF) induced n...

journal_title：Bioelectromagnetics

authors： Schimmelpfeng J,Weibezahn KF,Dertinger H

更新日期：2005-01-01 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：:Several effects of power-frequency (50/60 Hz) magnetic fields (PF-MF) of weak intensity have been hypothesized in animals and humans. No valid mechanism, however, has been proposed for an interaction between PF-MF and biological tissues and living beings at intensities relevant to animal and human exposure. Here we pr...

journal_title：Bioelectromagnetics

authors： Vanderstraeten J,Gillis P

更新日期：2010-07-01 00:00:00

abstract：:The clinical and preclinical use of high-field intensity (HF, 3 T and above) magnetic resonance imaging (MRI) scanners have significantly increased in the past few years. However, potential health risks are implied in the MRI and especially HF MRI environment due to high-static magnetic fields, fast gradient magnetic ...

journal_title：Bioelectromagnetics

authors： Lee JW,Kim MS,Kim YJ,Choi YJ,Lee Y,Chung HW

更新日期：2011-10-01 00:00:00