Resonant ac-dc magnetic fields: calculated response.

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：: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：: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：: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 present study investigates the effects of a weak (+/-200 microT(pk)), pulsed, extremely low frequency magnetic field (ELF MF) upon the human electroencephalogram (EEG). We have previously determined that exposure to pulsed ELF MFs can affect the EEG, notably the alpha frequency (8-13 Hz) over the occipital-parieta...

journal_title：Bioelectromagnetics

authors： Cook CM,Saucier DM,Thomas AW,Prato FS

更新日期：2009-01-01 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：:The aim of the present study was to identify the effects of a static magnetic field (SMF) on rat brain structures that control autonomic functions, specifically heart rate and heart rhythmicity. The experiments were carried out on 44 male Wistar rats under ketamine-xylazine anesthesia. SMF was induced using samarium-c...

journal_title：Bioelectromagnetics

authors： Veliks V,Ceihnere E,Svikis I,Aivars J

更新日期：2004-04-01 00:00:00

abstract：:We present a simple readout device that fills the void produced by the gradual disappearance of the Vitck model 101 Electrothermia Monitor. The new device uses commercially available probes that are similar to Bowman's (IEEE Trans Microwave Theory Tech MTT-24:43-45, 1976) original design. As described, the device cove...

journal_title：Bioelectromagnetics

authors： Olsen RG,Bowman RR

更新日期：1989-01-01 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：:Drosophila larvae reared inside a micro-metal box with an internal field strength 0.004 microT, were treated with a magnetic field of 50 Hz, 8 microT. for 20 min. Control experienced 0.004 microT. Cellular transcript levels were assessed using slot blots and quantified using a Phosphorimager. Blots were hybridised usi...

journal_title：Bioelectromagnetics

authors： Tipping DR,Chapman KE,Birley AJ,Anderson M

更新日期：1999-01-01 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：: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 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：: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：:The goal of the research reported here is to narrow the range of uncertainty about peripheral nerve stimulation (PNS) thresholds associated with whole body magnetic field exposures at 50/60 Hz. This involved combining PNS thresholds measured in human subjects exposed to pulsed magnetic gradient fields with calculation...

journal_title：Bioelectromagnetics

authors： Bailey WH,Nyenhuis JA

更新日期：2005-09-01 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：:Nanosecond electric pulse (nsEP) exposure generates an array of physiological effects. The extent of these effects is impacted by whether the nsEP is a unipolar (UP) or bipolar (BP) exposure. A 600 ns pulse can generate 71% more YO-PRO-1 uptake compared to a 600 ns + 600 ns pulse exposure. This observation is termed "...

journal_title：Bioelectromagnetics

authors： Valdez CM,Barnes R Jr,Roth CC,Moen E,Ibey B

更新日期：2018-09-01 00:00:00

abstract：:Conductive nanoparticles may enhance tissue heating during radiofrequency (RF) irradiation. Specific absorption rate (SAR) is known to rise with the electrical conductivity of tissue. However, no studies to date have measured the relationship between complex permittivity and nanoparticle concentration in tissue-like s...

journal_title：Bioelectromagnetics

authors： Gach HM,Nair T

更新日期：2010-12-01 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：:A retrospective study on reproductive hazards was performed among 542 employees at Swedish power plants. Questionnaires were answered by 89% of the employees. Data on pregnancies were checked by studying hospital case records. There was a statistically significant, decreased frequency of "normal" pregnancy outcome, al...

journal_title：Bioelectromagnetics

authors： Nordström S,Birke E,Gustavsson L

更新日期：1983-01-01 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：: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：: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：:Irreversible changes in the heat capacity of human erythrocyte ghost suspensions due to the effect of 330-MHz radiofrequency radiation (at a specific absorption rate of approximately 9 mW/g) were detected by the method of scanning differential microcalorimetry. Using the data obtained from the analysis of infrared spe...

journal_title：Bioelectromagnetics

authors： Shnyrov VL,Zhadan GG,Akoev IG

更新日期：1984-01-01 00:00:00

abstract：:Exposure systems that provide good magnetic field uniformity, minimum stray fields, and minimal heating, vibration, and hum, as well as capability for true sham exposure in which current flows in the coils, are needed to determine rigorously the biological effects of weak magnetic fields. Designs based on acrylic poly...

journal_title：Bioelectromagnetics

authors： Wilson BW,Caputa K,Stuchly MA,Saffer JD,Davis KC,Washam CE,Washam LG,Washam GR,Wilson MA

更新日期：1994-01-01 00:00:00

abstract：:The wide and growing use of cellular phones has raised questions about the possible health risks associated with radio frequency (RF) electromagnetic fields. It would be helpful for epidemiologists as well as cellular phone users to obtain the relative exposure levels, because the RF exposure level is very difficult t...

journal_title：Bioelectromagnetics

authors： Kim SC,Nam KC,Kim DW

更新日期：2006-09-01 00:00:00

abstract：:Electromagnetic sensibility refers to the ability to perceive the electromagnetic field (EMF) without necessarily developing health symptoms attributed to EMF exposure. A large sample of young healthy adults (n = 84) performed two forced-choice tasks on the perception of the GSM mobile phone EMF (902 MHz pulsed at 217...

journal_title：Bioelectromagnetics

authors： Kwon MS,Koivisto M,Laine M,Hämäläinen H

更新日期：2008-02-01 00:00:00

abstract：:We used exposure to microwaves from a global system for mobile communication (GSM) mobile phone (915 MHz, specific absorption rate (SAR) 37 mW/kg) and power frequency magnetic field (50 Hz, 15 muT peak value) to investigate the response of lymphocytes from healthy subjects and from persons reporting hypersensitivity t...

journal_title：Bioelectromagnetics

authors： Belyaev IY,Hillert L,Protopopova M,Tamm C,Malmgren LO,Persson BR,Selivanova G,Harms-Ringdahl M

更新日期：2005-04-01 00:00:00

abstract：:Childhood cancer has been modestly associated with wire codes, an exposure surrogate for power frequency magnetic fields, but less consistently with measured fields. We analyzed data on the population distribution of wire codes and their relationship with several measured magnetic field metrics. In a given geographic ...

journal_title：Bioelectromagnetics

authors： Kheifets LI,Kavet R,Sussman SS

更新日期：1997-01-01 00:00:00

abstract：:The effects of millimeter microwaves in the frequency range of 54-76 GHz on capacitance and conductance of lipid bilayer membranes (BLM) were studied. Some of the membranes were modified by gramicidin A and amphotericin B or by tetraphenylboron anions (TPhB-). The millimeter microwaves were pulse-modulated (PW) at rep...

journal_title：Bioelectromagnetics

authors： Alekseev SI,Ziskin MC

更新日期：1995-01-01 00:00:00