Electromagnetic millimeter wave induced hypoalgesia: frequency dependence and involvement of endogenous opioids.

abstract：:It has been suggested that exposure to electromagnetic fields may be a risk factor for cardiovascular disease in humans. Low density lipoprotein (LDL) modifications such as peroxidation and aggregation have been implicated in the pathogenesis of atherosclerosis. The present study investigated the effects of weak (0.12...

journal_title：Bioelectromagnetics

authors： Abdi S,Dorranian D,Razavi AE,Naderi GA,Boshtam M,Ghorannevis M

更新日期：2013-07-01 00:00:00

abstract：:In order to demonstrate possible specific effects of microwaves at the cellular level V-79 Chinese hamster cells were exposed to 2.45-GHz radiation at power levels of 20-200 mW/cm2 and at specific absorption rates of 10-100 mW/g. Intracellular cytoplasmic changes were observed by fluorescence polarization using a meth...

journal_title：Bioelectromagnetics

authors： Dardalhon M,Moré C,Averbeck D,Berteaud AJ

更新日期：1984-01-01 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：:C57/B1 mice were exposed during pregnancy (gestation days 0-19) to a 20 kHz magnetic field (MF). The asymmetric sawtooth-waveform magnetic field in the exposed racks had a flux density of 15 microT (peak to peak). After 19 days, the exposure was terminated, and the mice were housed individually under normal laboratory...

journal_title：Bioelectromagnetics

authors： Dimberg Y

更新日期：1995-01-01 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 constant exposure of modern society to extremely low frequency magnetic fields (ELF-MF) has raised considerable concerns about the potential risks to male reproduction. However, the epidemiological and experimental data remain contradictory and inconclusive. In the present study, we investigated the effects of 50 ...

journal_title：Bioelectromagnetics

authors： Duan W,Liu C,Wu H,Chen C,Zhang T,Gao P,Luo X,Yu Z,Zhou Z

更新日期：2014-01-01 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：:Pulsed electromagnetic fields (PEMF) have been proven to be effective for promoting bone mass and regulating bone turnover both experimentally and clinically. However, the exact mechanisms for the regulation of PEMF on osteoclastogenesis as well as optical exposure parameters of PEMF on inhibiting osteoclastic activit...

journal_title：Bioelectromagnetics

authors： Wang P,Liu J,Yang Y,Zhai M,Shao X,Yan Z,Zhang X,Wu Y,Cao L,Sui B,Luo E,Jing D

更新日期：2017-12-01 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：:The electromagnetic exposure of cell phone users depends on several parameters. One of the most dominant of these is the distance between the cell phone and the head tissue. The pinna can be regarded as a spacer between the top of the phone and the head tissue. The size of this spacer has not yet been systematically s...

journal_title：Bioelectromagnetics

authors： Christ A,Gosselin MC,Kühn S,Kuster N

更新日期：2010-07-01 00:00:00

abstract：:This study reports the continuous 8-h monitoring of data on extremely low-frequency magnetic fields (ELF-MF) relating to 14 children and 35 teachers in 11 elementary schools in Northern Taiwan. It was anticipated that the subjects in two of these campuses would have elevated exposure to ELF-MF as a result of their clo...

journal_title：Bioelectromagnetics

authors： Lin IF,Li CY,Wang JD

更新日期：2008-10-01 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：: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 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：: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：: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 use of wireless digital communication devices like GSM, WCDMA, HSPA, DECT, and WiFi changes the exposure of electromagnetic waves toward the user. Concentrating on the power variations on a slow and fast time scale, these new systems are discussed. Experimental results for both uplink and downlink are included for...

journal_title：Bioelectromagnetics

authors： Andersen JB,Mogensen PE,Pedersen GF

更新日期：2010-05-01 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 aim of the present study was to determine millimeter wave (MMW) absorption by blood vessels traversing the subcutaneous fat layer of murine skin. Most calculations were performed using the finite-difference time-domain (FDTD) technique. We used two types of models: (1) a rectangular block of multilayer tissue with...

journal_title：Bioelectromagnetics

authors： Alekseev SI,Ziskin MC

更新日期：2011-09-01 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：: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：: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：: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：: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：: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：:This study was undertaken to investigate whether power frequency magnetic fields can affect the kinetics of cell cycle progression in exposed human cells. To achieve this, cultures of normal human fibroblasts were synchronised in the G(0) phase of the cell cycle and exposed to 50 Hz magnetic fields at a range of flux ...

journal_title：Bioelectromagnetics

authors： Cridland NA,Haylock RG,Saunders RD

更新日期：1999-10-01 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

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：: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：:An attempt has been made to understand whether 50 Hz electric and magnetic fields (EMFs) are involved in producing bioeffects by exposing human erythrocytes in vitro. The study evaluated some key glycolytic enzymes, glucose consumption, lactate production, energy charge, 2,3-diphosphoglycerate, and reduced glutathione...

journal_title：Bioelectromagnetics

authors： Dachà M,Accorsi A,Pierotti C,Vetrano F,Mantovani R,Guidi G,Conti R,Nicolini P

更新日期：1993-01-01 00:00:00