The wonders of magnetism.

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 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：:We conducted a pilot study to assess magnetic field levels in electric compared to gasoline-powered vehicles, and established a methodology that would provide valid data for further assessments. The sample consisted of 14 vehicles, all manufactured between January 2000 and April 2009; 6 were gasoline-powered vehicles ...

journal_title：Bioelectromagnetics

authors： Tell RA,Sias G,Smith J,Sahl J,Kavet R

更新日期：2013-02-01 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：:Rat PC12 pheochromocytoma cells have been treated with nerve growth factor and then exposed to athermal levels of a packet-modulated radiofrequency field at 836.55 MHz. This signal was produced by a prototype time-domain multiple-access (TDMA) transmitter that conforms to the North American digital cellular telephone ...

journal_title：Bioelectromagnetics

authors： Ivaschuk OI,Jones RA,Ishida-Jones T,Haggren W,Adey WR,Phillips JL

更新日期：1997-01-01 00:00:00

abstract：:This paper traces the history of the development of the Radiofrequency Radiation Dosimetry Handbook and its subsequent impact on radio frequency radiation exposure standards. The author's recollections are used to illustrate the behind the scenes efforts of the individuals involved in this project. The development of ...

journal_title：Bioelectromagnetics

authors： Allen SJ

更新日期：1999-01-01 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：:Research conducted over the past 5 years has addressed the hypothesis that the reported association between residential magnetic fields and childhood leukemia may be explained by exposure to contact current. The use of multi-grounded neutrals in electrical distribution and residential electrical wiring systems in the ...

journal_title：Bioelectromagnetics

authors： Kavet R

更新日期：2005-01-01 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：:This study deals with the morphofunctional influence of 72 h exposure to a 6 mT static magnetic field (SMF) during differentiation induced by 50 ng/ml 12-O-tetradecanoyl-13-phorbol acetate (TPA) in human leukaemia U937 cells. The cell morphology of U937 cells was investigated by optic and electron microscopy. Specific...

journal_title：Bioelectromagnetics

authors： Dini L,Dwikat M,Panzarini E,Vergallo C,Tenuzzo B

更新日期：2009-07-01 00:00:00

abstract：:A new human head phantom has been proposed by CENELEC/IEEE, based on a large scale anthropometric survey. This phantom is compared to a homogeneous Generic Head Phantom and three high resolution anatomical head models with respect to specific absorption rate (SAR) assessment. The head phantoms are exposed to the radia...

journal_title：Bioelectromagnetics

authors： Christ A,Chavannes N,Nikoloski N,Gerber HU,Poković K,Kuster N

更新日期：2005-02-01 00:00:00

abstract：:The MobilEe-study was the first cross-sectional population-based study to investigate possible health effects of mobile communication networks on children using personal dosimetry. Exposure was assessed every second resulting in 86,400 measurements over 24 h for each participant. Therefore, a functional approach to an...

journal_title：Bioelectromagnetics

authors： Kühnlein A,Heumann C,Thomas S,Heinrich S,Radon K

更新日期：2009-05-01 00:00:00

abstract：:A new method for finding the dielectric parameters of biological substances is presented. The method makes use of the loss-tangent as a function of frequency to identify the dominating relaxation process. The method was tested for a few cell suspensions (blood and lymphocytes) and two tissues (liver and spleen). The o...

journal_title：Bioelectromagnetics

authors： Surowiec A,Stuchly SS

更新日期：1986-01-01 00:00:00

abstract：:The accurate and valid measurement of personal exposure to magnetic fields poses a major challenge for epidemiologic studies. When considering the various methods to assess exposure, it is unclear which measures are most relevant for studies of human disease, if any. Given these uncertainties, the Electromagnetic Fiel...

journal_title：Bioelectromagnetics

authors： Schoenfeld ER,Henderson K,O'Leary E,Grimson R,Kaune W,Leske MC

更新日期：1999-12-01 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：:The rapid advancement of technology has led to an exponential increase of both nanomaterial and magnetic field utilization in applications spanning a variety of sectors. While extensive work has focused on the impact of these two variables on biological systems independently, the existence of any synergistic effects f...

journal_title：Bioelectromagnetics

authors： Comfort KK,Maurer EI,Hussain SM

更新日期：2013-10-01 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：: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：:Pregnant squirrel monkeys were exposed to 2450-MHz (CW) microwaves at an equivalent power density of 10 mW/cm2 (SAR 3.4 mW/g) for three hours daily in a cavity-cage module. The exposure began when pregnancy was determined by a hormonal method, and continued through of offspring's first 9.5 months. After irradiation, t...

journal_title：Bioelectromagnetics

authors： Albert EN,Sherif MF,Papadopoulos NJ

更新日期：1981-01-01 00:00:00

abstract：:Blackman et al. [1994] describe an experiment that purports to show that weak 45 Hz magnetic fields inhibit the growth of neurites from PC-12 cells treated with a growth stimulation factor. I present a statistical analysis of the data in that paper that shows that the data were corrupted in some way; hence, the result...

journal_title：Bioelectromagnetics

authors： Adair RK

更新日期：1996-01-01 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：: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：: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：: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：:The potential ability of radiofrequency electromagnetic radiation (RFR) in the microwave range to induce mutagenesis, chromosomal aberrations, and sister chromatid exchanges in mammalian cells is being explored in our laboratories. In addition, we have also been examining the ability of simultaneous exposure to RFR an...

journal_title：Bioelectromagnetics

authors： Meltz ML,Eagan P,Erwin DN

更新日期：1990-01-01 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：: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：: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：: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：: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