COMMISSION K: ELECTROMAGNETICS IN BIOLOGY AND MEDICINE
activities on the biological effects of electromagnetic fields in
K1 Biological Effects of Electromagnetic Fields
K1.1 DC and ELF Electric Fields
On cellular effects, Shimooka et al. has pursued the possibility of immuno-modulation caused by the electric stimulation of the current induced in the body on field exposure [Shimooka, 2004]. They have reported the suppression effects of macrophage phagocytosis [Fujii, 2002; Kagawa, 2004], histamine release [Morita, 2002] and the generation of the reactive oxygen species [Tatebe, 2004].
Biological effects were evaluated with plants. Nitta et al. has found that bean sprout has the better growth in the higher electric field in the range of 10-25kV/m [Kiatgamjorn, 2003]. Nitta et al. has found the growth rate of ice plants in the electric field of 28.5kV/m than that of no field condition [Rotcharoen, 2003].
experiments with human subjects, Yamashita et
al. exposed ELF electric field on the skin surface of the human forearm,
and measured the physiological changes such as the skin temperature, the
surface blood flow and the blood volume in the arm. In the local field
exposure, the increases in these parameters were observed. The results of these
experiments suggested that this response was controlled by the central nervous
system [Yamashita, 2004].
kinds of microbial species, example of reports of the positive effect of DC
magnetic field has been confirmed. SoxR on Escherichia
coli in which there are too many examples of reports until now. Variant sodAsodB
[Zhang et al., 2003] which reports rising, since the mutagenesis frequency has
it by 5 or high magnetic field of 9 T in the double mutant. Saccharomyces cerevisiae with the paper
in which found the rise in expression strength of several kinds genes of by the
high magnetic field of 14 T [Ikehata, 2003]. Rhodobacter sphaeroides [
There are several studies to determine the mutagenicity by exposure to strong static magnetic fields. Takashima et al. reported dose response relationship between magnetic field density and its mutagenicity using DNA repair-proficient and -deficient strains of fruit fly Drosophila melanogaster.[Takashima et al., 2003]. It was found that exposure to 2, 5 or 14 T fields for 24 h caused a statistically significant enhancement in somatic recombination frequency in the post-replication repair deficient flies, whereas the frequency remained unchanged in the nucleotide excision repair deficient flies and in the DNA repair-proficient flies after exposure. An increase linearly dependent on the flux density was observed between 0.5 T and 2 T, while it was saturated at exposure levels over 2 T. These findings suggest that exposure to high density magnetic fields induce somatic recombination in Drosophila, and that the dose-response relationship is not linear.
Zhang et al. used an Escherichia coli mutation assay to assess the mutagenic effects of strong magnetic filed. The mutation frequency was significantly increased by the static magnetic field exposure in soxR and sodAsodB mutants, which are defective in defense mechanisms against oxidative stress. In addition, the expression of superoxide-inducible socS:: lacZ fusion gene was stimulated 1.4- and 1.8-fold in E.coli when exposed to 5 and 9 T, respectively. These results indicate that strong static magnetic field induces mutations through elevated production of intracellular superoxide radical in E.col. (Ikehata and Miyakoshi).
and paramecium cilium are oriented in a strong static magnetic field. An
anisotropic diamagnetic susceptibility of microtubules, which are one of their
components contributes it (Higashi and Iwasaka).
Magnetic fields of 5-10 T were applied to agarose molecules to obtain the random, the planar and the axial gels. As a result, the electrophoretic velocity depended on the gel structure as well as the size and structure of DNAs. The magnetically ordered agarose gels can be used for a new separation method of DNAs at a high resolution (Yamaguchi and Iwasaka).
K1.4 DC and ELF Magnetic Field
It has been found that moderate-intensity DC magnetic field ranging 1 mT-0.35 T have significant circulatory system effects most notably on cutaneous microcirculation and arterial blood pressure. Ohkubo et al. studied the influence of 0.25T DC magnetic field and geomagnetic field activity, estimated b y K and Ak-indexes, on mean arterial blood pressure (MAP), heart rate, hemodynamic index, and cardiovascular variability in pentobarbital-anesthetized rabbits. DC magnetic field with application to baroreceptor region for 65-80 min decreased BP. There was positive correlation of geomagnetic field activity with MAP, and this result implied that magnetic storms could increase the incidence of severe cardiovascular events. They continued their research in three papers (Okano et al, 2003a, b, 2005). They investigated the effects of DC magnetic field, 3.0-10.0 mT and 8.0-25.0 mT, on development of hypertension in young male, rats (SHR). DC magnetic field suppressed and retarded the development of hypertension in both exposed groups in a non-dose dependent manner.
For ELF magnetic field effects, Kezuka et al. presented their experiments about the effects of 50Hz magnetic field on the pteridine levels in mice. Their results suggested that only circularly polarized magnetic field exposure may affect the pteridine level which provide an indirect estimate of the degree of stress emerging during immune response. There was no evidence for effects on cellular immune systems of exposure to linearly polarized magnetic fields (Kezuka et al 2004, 2005).
K1.4.2 In Vitro studies
No or very little effects of ELF electromagnetic field were found on basic cellular behaviors (proliferation, survival and cell cycle). Exposure to a high-density ELF electromagnetic field increased mutation and chromosomal aberration dose-dependently. Such a result was more significant under a combined exposure with external factors. Results of molecular biological analysis for its mechanism revealed that a response to an ELF electromagnetic field had an effect on the signal transduction system that was involved with intracellular calcium and protein kinase (Miyakoshi).
Exposure to a time-varying magnetic field (maximum flux density of 1.7T) inhibits K+ influx via Ca2+-dependent K+ channel and an increase in intracellular Ca2+ concentration ([Ca2+]i) of HeLa cells incubated in high K+ medium [Ikehara, 2002]. Addition of Ca2+ ionophore (ionomycin) to the high K+ medium increase [Ca2+]i to the level of control cells, regardless of exposure to the magnetic field. But the inhibition of K+ uptake by exposure to the magnetic field is not restored by addition of the ionophore. This strong time-varying magnetic field (maximum of 1.51T) also inhibits a transient increase in [Ca2+]i in bovine adrenal chromaffin cells induced by bradykinin (BK) in a Ca2+-free medium [Ikehara, 2002]. The exposure does not affect BK induced production of inositol 1,4,5 trisphosphate (IP3). Inhibition of the BK-induced increase in [Ca2+]i by exposure for 30 min is mostly recovered 1 hr after exposure ended. Our results reveal that the magnetic field exposure inhibits Ca2+ release from intracellular Ca2+ stores. Moreover, effects of exposure to a 50Hz magnetic field (maximum of 41.7 to 43.6mT) on the membrane structures of living HeLa cells were studied using attenuated total reflection infrared spectroscopy [Ikehara, 2003]. Exposure to the ELF magnetic field has reversible effects on the N-H inplane bending and C-N stretching vibrations of peptide linkages the secondary structure of ¿-helix and Àsheet in cell membrane proteins.
On the other hand, in cultured osteoblast-like cells (MC3T3-E1), exposure to ELF magnetic field (60Hz, 3.0,T) for 3 days, both collagen and non-collagen protein content by multispectral imaging method, increased in the cells at peripheral; regions of culture dish than that at central regions of same dish. The treatment of IGF increased in collagen content at the peripheral cells for 17 days culture. But the additive effects of the exposure and IGF treatment were not observed [Yamaguchi, 2004].
ALP activity was increased significantly by the exposure alone or by combined with NGF treatment. These results indicate that the mechanisms of differentiation related to IGF and NGF in the osteoblasts were altered by the magnetic fields of extremely low frequency [Hosokawa, 2004]
Takashima et al. reported that the effect of ELF magnetic fields on the DNA damage repair process, the gene conversion frequency and cell cycle kinetics in a DNA repair-proficient and nucleotide excision repair (NER)-deficient strain of diploid yeast Saccharomyces cerevisiae. DNA repair- or NER-deficient cells were irradiated with sub-lethal doses of ultraviolet light (UV) radiation followed by exposure to 50 Hz magnetic fields up to 30mT for 48 h. After exposure, gene conversion rate was increased by the combined exposure in DNA repair-proficient cells, whereas it remained unchanged between UV alone and the combined exposure in NER-deficient cells. The UV-induced G1 arrest was inhibited by exposure to 30mT ELF magnetic fields in both repair-proficient and -deficient cells. The results suggest that exposure to high-density (30 mT) ELF magnetic field decreases the efficiency of NER by suppressing G1 arrest, which in turn led to enhancement of the UV-induced gene conversion [Ikehata]. Moreover, there are several fundamental research activities to clarify ELF or combined fields with static and ELFs (Ikahata).
K1.5 Intermediate frequency Magnetic field
WHO defines the intermediate frequency (IF) region of the EMF spectrum as being between 300Hz to 10MHz. Compared to ELF and RF fields, little research has been done of the effects of IF fields. There are two reports on the biological effects of IF magnetic fields. Haga et al. used a highly sensitive mutagenesis assay method (umu system) to evaluate the direct impact of exposure to 20kHz, 60ÊT for DNA destruction gene mutation [Haga, 2004]. This exposure experiment induced bacterial umu DNA repair response in one experimental case. Tachi et al. also investigated whether IF magnetic field (20kHz, 0.5mT, 1mT) induce the DNA damage and physiological abnormality in bacterial cells containing bacteriophage É[Tachi, 2005]. After about 4 and 8 hourfs exposure, this result suggests IF magnetic fields induce physiological damage in bacterial cells. Further studies are needed (Yamazaki and Suzuki).
K1.6 RF and Microwaves
K1.6.1 In vivo studies
Effects of exposure to electromagnetic waves (EMW) used in cellular phones on learning and memory processes were examined in Sprague-Dawley rats using a carousel type exposure system [Tsurita, 2000] and T-maze [Yamaguchi, 2003]. This study suggests that the exposure to a TDMA field at levels about four times stronger than emitted by cellular phones does not affect the learning and memory processes when there are no thermal effects. Ocular effects of MW have also been investigated using rabbit with/without system anethesia [Kojima 2004].
K1.6.2 In vitro studies
Genotoxic effect of high frequency electromagnetic field (HF FMF) at 2.45GHz with a wide range of specific absorption rates (SARs) was examined in cultured cells. The micronucelus (MN) frequency of cells exposed to a HF EME at SAR of up to 50 W/kg was not different to that in sham-exposed cells, while those at SARs of 100 and 200 W/kg were significantly higher than in the sham-exposed controls. An increase in SAR causes a rise in temperature and this may be connected to the increase in MN formation generated by exposure to HF EMF. Effect of HF EMF on DNA damage was also examined using alkaline comet assay method. There was no significant difference in the tail moments between HF EMF- and sham-exposed groups. This finding suggests that exposure to HF EMF does not cause DNA strand breaks even at a SAR of 100 W/kg. For the gene expression, effect of HF EMF on the synthesis of heat shock protein 70 (Hsp70) was examined. Exposure to a HF EMF induced hsp70 expression at a high SAR of more than 20 W/kg but not at 5 W/kg in human glioma cells. In addition, there were no significant differences in Hsp27 and Hsp70 expressions between RF (1950 MHz)-exposed and sham-exposed cells at a SAR of lower than 10 W/kg. However, exposure to the RF field at 10 W/kg decreased the protein level of phosphorylated Hsp27 (78Ser) significantly (Miyakoshi).
K2.1 Design Methods of the Electromagnetic Environment
In order to use the EM power effectively in dairy life without losing the safety in every respect, only the EM waves that are actually needed inside the living space should be transmitted into the space. A stratified construction material that is consisted of two low loss materials has been developed for satisfying such a demand. The new functional material can absorb more than 70 percent of the incident EM power at specific frequencies that are pre-designed according to the demand (Miyakawa).
K2.2 Tissue Properties- Bioelectromagnetics parameters
The radio frequency safety guideline compliance for mobile phones has been evaluated by measuring the specific absorption rate (SAR) in the phantom material. The electromagnetic properties of bio-tissues and phantom material need to be specified in order to achieve precise and accurate SAR measurements. Recently, there are many research activities focused on Liquid phantoms (Watanabe and Kamimura).
Various phantoms for the SAR (Specific Absorption Rate) estimation have been studied. A real-shaped torso bust phantom is developed to achieve an accurate evaluation of the SAR in the head as well as the characteristics of an antenna for a mobile terminal placed close to the human body [Ito, 2004]. The shape and size of the torso bust phantom are based on the average Japanese youths in their twenties. Moreover, an abdomen phantom of pregnant women including the amniotic fluid and the fetus is developed to estimate the SAR in the fetus [Kawai, 2003, Ito, 2005]. The targeted frequency range of this phantom is the VHF band. The dielectric constants of the amniotic fluid and the fetus of rabbits were measured to determine the dielectric constants of the phantom. In addition, solid phantoms, whose targeted frequency range is up 3 to 6 GHz, are investigated [Ishido, 2004]. The phantoms can reproduce the electrical properties of human biological tissues in the range of 3 to 6 GHz without changing their compositions.
In IEICE Transactions, the special issue on phantom has been published, and a review concerning the tissue equivalent phantoms has been reported [Ito, 2002]. High-molecular gel phantom with high transparency and viscosity has been proposed to realize the evaluation of the three dimensional EM wavesfexposure using a micro-capsulated thermo-chromic liquid crystal [Sunaga, 2003; Baba, 2004a, 2004b; Suzuki, 2004]. Moreover, the phantom test phantom for implantable medical device to estimate the impact from RF EMF has been presented [Ohshita, 2004].
Various liquids for compliance tests of cellular phones with safety guidelines have been also proposed in international standards, i.e., IEC and IEEE, and their characteristics have been investigated [Fukunaga, 2002a, 2002b, 2003a, 2004 and 2004a]. (Ito).
analyses have been conducted focusing on induced currents inside the human
body. Chiba et al. conducted
calculations of induced currents for grounded and ungrounded simple homogeneous
human model when exposed to vertical uniform electric field, using finite
element method (FEM) [
In the analysis of magnetically induced currents, non-uniformity of the fields has been an key issue especially when assessing compliance with existing guidelines. Kamimura et al. calculated the induced currents in human head using both analytical formulae and numerical computations when exposed to magnetic fields produced by AC driven electric shaver, that represents localized magnetic dipole sources [Kamimura, 2002, 2004]. Nishizawa et al. introduced equivalent magnetic source model which consists of multiple magnetic dipoles assumed to be distributed on a cylindrical surface to simulate magnetic fields around electric appliances, and calculated induced current in a simple homogeneous human model [Nishizawa, 2003, 2004a, 2004b]. Related to he characterization of the magnetic field sources, Yagitani et al. studied a method of MUSIC algorithm and applied it to identification of localized field sources [Yagitani, 2004]. Tarao et al. calculated the induced current due to usage of a hair dryer for a realistic human head model [Tarao, 2003]. Yamazaki et al. characterized the effects of the field uniformity on maximum induced current from homogeneous spherical human model for easy assessment of compliance with the guidelines [Yamazaki, 2005].
Yoshitomi et al. measured environmental ELF magnetic filed in an apartment I Japan and proposed reduction method for the fields [Yoshitomi, 2002; Moriyama, 2005a]. They also measured ELF magnetic fields originating from equipments used for medical diagnoses and treatments. Sakurazawa et al. measured personal exposure to ELF magnetic fields in working environments such as electric power substations, VDT operator, electric furnace operators, and arc welders [Sakurazawa, 2003].
Sasada reported a simple three-square-coil system to produce a uniform magnetic field in a fairly large volume inside the coil system, which is advantageous over the proposed systems [Sasada, 2003]. Nagai et al. reported exposure setups fro in vitro experiment for complex magnetic fields with static and time-varying components [Nagai, 2004] (Yamazaki).
K3.2 Intermediate frequency magnetic field
In recent years, electric appliances that utilize magnetic fields with frequency higher than the power frequency, defined as IF (intermediate frequency), for heating, detecting and switching, has raised new interest in health effects. An IH (induction heater) cooker is one of those appliances that utilize the IF magnetic field for heating ferromagnetic pans. The typical frequency of the IH cooker ranges from 20kHz to 100kHz. A similar frequency range is utilized in a metal detector usually installed at the security gates of airports, and electric article surveillance (EAS) system. Since higher frequency induces induced current inside the human body in proportion to the frequency, stricter magnetic field levels are set for the higher frequency range in some existing exposure guidelines.
Kamata et al. characterized the magnetic fields generated by induction cooking by a series of measurement [Kamata, 2004]. Yamazaki et al. proposed a simple method to characterize the magnetic field distribution around appliances in the IF range by identifying equivalent magnetic dipole moments [Yamazaki, 2004a, 2004b]. Suzuki et al. conducted numerical calculation of induced currents inside an anatomically correct human model when exposed to IF magnetic field [Suzuki, 2004a, 2004b, 2005] (Suzuki and Yamazaki).
K3.3 RF and MW
There has been increasing concern about
adverse health effect in RF and microwave frequency range due to proliferation
of mobile phones. In order to investigate this problem, computational and
experimental works haven been conducted. Recent trends in
1) Measurement techniques for electric constants of lossy dielectric
For reliable dosimetry, it is essential to measure electrical constants of human tissue and then to develop material for phantom [Fukunaga, 2004]. Additionally, uncertainties of an electric probe have been evaluated [Watanabe,2004b].
2) Development of experimental setups for small animals and in-vitro study
Some new techniques using ferrite material or high permittivity materials to realize a highly localized exposure in small animals has been developed [Wang, 2003b, 2004c], and detailed analysis for various uncertainties in exposure setups has been conducted [Wang, 2002b, 2004b]. A new antenna for localized exposure to rats has also been developed [Watanabe H., 2004].
3) Dosimetry for child
Based on the report by the NRPB, it is concerned that children might be more vulnerable to any adverse effects of RF radiation than adults. In order to give some insight on this problem, dosimetry has been conducted using a realistic child head model [Fujiwara, 2003, 2004]. A scaling technique for producing a realistic child model has been developed and adopted widely in the world [Wang, 2003a]. A parallel FDTD technique based on PCs has also been developed for large-scale dosimetry of mobile phones [Wang, 2004a].
4) Temperature rise due to RF exposures
Peak-spatial averaged SAR is used as a measure in the ICNIRP guideline to evaluate the safety of humans for RF electromagnetic field exposure, while temperature increase would be a direct cause of physical burning and physiological effect. In order to bridge this gap, a correlation between peak SAR and temperature increase has been investigated [Fujimoto, 2003a, 2003b, 2004a, 2004c; Hirata, 2002, 2003a, 2003b, 2004a, 2004b]
5) Improvement of numerical simulation techniques
In order to overcome limitations of FDTD method, which is the most powerful numerical method to evaluate SAR in the biological bodies, surface impedance and hybrid methods have been proposed [Watanabe 2002 and 2004c; Mochizuki 2004a, 2004b, and 2004c] (Fujiwara and Watanabe).
K4 Biomedical Applications
K4.1 Thermal Therapy
In recent years, various types of medical applications of microwaves have been investigated. Among them, minimally invasive microwave thermal therapies are of great interest. They are interstitial hyperthermia and microwave coagulation therapy for thermal treatment of cancer, cardiac catheter ablation for ventricular arrhythmia treatment, etc. Previously, a coaxial-slot antenna, which is one of the thin antennas for interstitial heating, has been studied. In this research, the heating characteristics of the antenna are investigated by numerical simulation based on FDTD calculations [Saito, 2003] and phantom experiments. Moreover, the results of hyperthermic treatments for neck tumor by use of the coaxial-slot antenna and the array applicator composed of several coaxial-slot antennas are reported [Saito, 2004a]. In addition, the improvement of the characteristics of the coaxial-slot antenna especially the input impedance of the antenna is considered [Saito, 2004b] and the feeding technique of the array applicator composed of several antennas is investigated [Saito, 2004c] (Ito).
K4.2 Microwave Imaging of the Human Body
Chirp Pulse Microwave Computed Tomography is a noninvasive imaging modality, which enables microwave imaging of a human body using a chirp pulse microwave signal and signal processing techniques. The prototype model using a microwave from 1 to 2 GHz showed that the spatial resolution is better than 10 mm and temperature variation less than 0.3 degree Celsius can be measurable. The higher resolution model, which works at 2 to 3 GHz has also been developed for diagnostic imaging of an early stage breast tumor. Feasibility of the practical application of CP-MCT has been investigated through a series of computational studies and basic studies using those two models. A new CP-MCT with fan beam geometry, which is able to collect projection data very quickly is now being developed for a high speed imaging of experimental animals (Miyakawa).
K4.3 Thermal therapy- Inductive heating
A novel implant with the function of a high efficient temperature raise is proposed to achieve a local high temperature hyperthermia or ablation therapy. The idea of the new implant with a heating function is based on not material component but on resonant circuit theory viewpoint .The new implant proposed here consists of a small coil and a microchip condenser to make a resonant circuit. By applying an RF magnetic field to the implant, large current flows in the coil based on the resonance and elevate the coil temperature efficiently. As a coil, a silver wire or a stainless is used. The temperature rise of more than 70 from the initial value is obtained at 15 cm depth of agar phantom in a case of implant with the diameter of 3 mm and the length of 4 mm, using a ferrite core applicator with output power of 500 W at the resonant frequency of 4 MHz. This idea of the implant can be applied to a stent with a heating function (Kotsuka).
Multi-frequency microwave radiometer system for noninvasive temperature measurement of biological tissues has been at the final stage of its development as well as the temperature retrieval method from measured brightness temperatures of biological tissues. Chirp radar-type microwave computed tomography which can provide a cross sectional image of temperature change has been also under development (Sugiura).
K4.5 Soft heating
In hyperthermia, the soft-heating method has been proposed. This is an inductive heating method that uses as a hear element a thermosensitive magnetic material. The feature of this method is automatic temperature control using Curie-point of the magnetic material. When the element is implanted into the tumor tissue, however, authors have to adjust the size of element to that of each tumor tissue. Therefore, the purpose of this study is to clarify heat characteristics of heat elements with various volumes.
The heat element is composed of a thermosensitive magnetic material and a metal ring. The thermosensitive magnetic material used to experiment is Ni-Cu-Zn ferrite and Curie-point is 90. Moreover, the copper ring is wrapped around the ferrite. The aim of wrapping copper ring is increase of the heat quantity generated compared with that using only the magnetic material. When temperature of the thrmosensitive magnetic material is lower than the Curie-point, the magnetic flux is concentrated by the effect of high permeability of the magnetic material. Then, short-circuit current induced in the copper ring, raises the temperature of heat element. In experiments, this element is put in the heat insulator, then excited by solenoidal coil. The specification of this coil is 8mT at 100 kHz.
The results provided evidence that the temperature characteristics show a saturation tendency with an increase of the element volume. Based on this tendency, it seems reasonable to suggest that sufficient heating can be obtained, even on smaller element volumes. Therefore, when considering heating per unit volume, it is expected that a volume with the most effective heating temperature can be obtained. For further research, we will continue to analyze the temperature characteristics, aiming to achieve the high hyperthermia (Matsuki).
K4.6 current distribution MRI
Magnetic resonance imaging of electrical phenomena in living bodies is potentially useful for quantitative evaluations of biological effects of electromagnetic fields, and for direct detection of neuronal electrical activities in the brain. Magnetic field in an object causes a shift in the resonant frequency [Sekino, 2004a]. Stationary electric current causes an increase in the apparent diffusion coefficient [Yamaguchi, 2003]. Spatial distributions of externally applied magnetic field and electrical current can be estimated from these changes in magnetic resonance signals. These methods have potential medical applications such as imaging of current distributions in electrical defibrillation. Detection of electrical currents associated with neuronal or muscular electrical activities requires extremely high sensitivity. The sensitivity for detecting weak magnetic fields was estimated using numerical simulations [Hatada, 2005a, 2005b] and experiments [Hatada, 2005c]. The theoretical limit of sensitivity was approximately 10-8 T. These studies potentially lead to a new method for visualizing brain function with a spatial resolution of millimeters and a temporal resolution of milliseconds. The ADC reflects electrical conductivity of a tissue, which enables an estimation of anisotropic conductivity of the tissue [Sekino, 2003a, 2004b, 2004c]. This method was applied to imaging of electrical conductivity in the human brain. Several regions in the white matter such as the corpus callosum and the internal capsule exhibited high anisotropy in conductivity. Magnitude and phase of magnetic resonance signals are affected by permittivity [Sekino, 2005; Mihara, 2005]. A distinctive signal inhomogeneity arises in images of objects whose dimension is comparable to the wavelength of electromagnetic fields at the resonant frequency. This phenomenon, dielectric resonance, particularly appears in scanners with high static fields. Electric current in electrolyte solution give rise to fluid motion. Magnetic resonance imaging was applied to visualization of the flow velocity [Sekino, 2003b, 2003c, 2004d]. In strong static magnetic field, biological macromolecules such as fibrin and collagen are oriented in the direction parallel or perpendicular to the magnetic field. The magnetic orientation causes a change in the spin-spin relaxation time of gels, which contain these macromolecules [Takeuchi, 2003, 2004a, 2004b, 2005](Sekino and Ueno).
I would like to thank the members of Commission K Japan for their tremendous efforts.
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Guig-Rong Ding., T.Nakahara and J.,Miyakoshi , gInduction of kinetochore-positive and kinetochore-negative micronuclei in CHO cells by EMF magnetic field and/or X-rays.h Mutagenesis. vol.18, pp.439-443
Guig-Rong Ding, T.Nakahara, H.,Hirose, S.koyama and J.Miyakoshi , gELF magnetic fields promote H2O2 -induced cell death in HL-60 cells.h International Journal of Radiation Biology., vol.80, pp.317-324
Y.Kumagai, H.Matsuki and G.Endo , gEvaluation of damage in DNA molecules
by very low frequency magnetic fields using bacterial cells with
bioluminescence gene.h Proceedings of EMCf04
Hanada.E and T.Kudou , gMedical electronic equipment safety in hospital environments with@wireless communication systems.h Proceedings of EMCf04 Sendai, 2B4-2, pp.345-348
Hanazawa.M., R.Kumahara, S.Mochizuki, K.Wake, S.Watanabe, M.Taki, Y.Kamimura, Y.Yamanaka and H.Shirai , gDevelopment of a millimeter-wave exposure setup for rabbit eye.h Asia-Pacific Radio Science Conference Proceedings, pp.457-458
Hand.J.W., G.M.J.Van Leeuven, S.Mizushina, J.B.Van de Kamer, K.Maruyama, T.Sugiura, D.V.Azzopardi and A.D.Edwards , gMonitoring of deep brain temperature in infants using multi-frequency microwave radiometry and thermal modelling,h Phys. Med. Biol, vol.46, pp.1885–1903
Harada.E., J.Wu and M.Miyakawa , gExperimental determination of the optimal arrangement of a receiving antenna consisted of dipole antennas for microwave imaging,h Rep. of IEICE, MBE2002 73-84, pp.29-32
Harakawa.S., N.Inoue, A.Saito, F.Doge, H.Nagasawa and N.Suzuki [2004a], g60Hz electric field upregulates cytosolic Ca2+ level in mouse splenocytes stimulated by lectin,h Bioelectromagnetics, vol.25, pp.204-210
Harakawa.S., I.Takahashi, F.Doge and D.E.Martin [2004b], gEffect of a 50Hz electric field on plasma ACTH, glucose, lactate, and pyruvate levels in stressed rats,h Bioelectromagnetics, vol.25, pp.346-351
Harakawa.S., N.Inoue, A.Saito, F.Doge, H.Nagasawa and N.Suzuki [2004c], g60Hz electric field upregulates cytosolic Ca2+ level in mouse splenocytes stimulated by lectin.h Bioelectromagnetics 25 pp.204-210
Hasegawa.H and T.Tamura , gDevelopment of sterilization technology by application of pulsed high.h J Institute of Electrostatics Japan, Vol.27, pp.117-122 voltage (In Japanese)
Hashimoto, et al , gA study on measurement of dielectric constant by free space transmission method at C band,h IEICE Trans. J86-B, pp.1089-1095 (In Japanese)
Hashimoto.Y., M.Kawasumi and M.Saito , gEffect of static magnetic field on cell migration.h IEEJ Trans EIS, Vol.124, pp.1719-1724
T., M. Sekino and
M.Sekino and S.Ueno [2005b], gFEM based brain RF electromagnetic field
distribution in magnetic resonance imaging.h Journal of the Magnetics Society
T., M. Sekino and
Hayami.T., O.Watanabe and O.Hiwaki [2004a], gSimulation study on estimation of current sources in a nerve fiber using L1-norm method with magnetic measurement.h IEEJ Trans. EIS, Vol.124, pp.1712-1718 (In Japanese)
Hayami.T and O.Hiwaki [2004b], gA method to estimate the condition of the path of a nerve by measuring neural generation of magnetic fields.h IEEJ Trans.FM, Vol.124, pp.381-386 (In Japanese)
Hayami,T and O.Hiwaki [2004c], gSimulation study of magnetic fields produced by an active bundle of nerve fibers to estimate the distribution of fiver diameterh, Trans. Japanese Society for Medical and Biological Engineering, Vol.42, pp.261-268.
Higashi. T., R.Emura and T.Takeuchi , gEffects of on-and-off static magnetic field on fibrinolysis,h Biological Effects of Electromagnetic Fields, Proceeding of 2nd International Workshop, 790-797p
T.Nojima, S.Watanabe and T.Shinozuka , gA study on implantable cardiac
pace maker EMI from cellular radios in semi-echoic environments.h Proceedings
Hirata.A., H.Watanabe and T.Shiozawa , gSAR and temperature rise in the human eye induced by obliquely incident plane waves.h IEEE EMC, vol.44, pp.594-596.
Hirata.A., M.Morita and T.Shiozawa [2003a], gTemperature increase in the human head due to a dipole antenna at microwave frequencies,h IEEE EMC, pp.109-116
Hirata.A and T.Shiozawa [2003b], gCorrelation of maximum temperature increase and peak SAR in the human head due to handset antennas.h IEEE MTT, vol.51, pp.1834-1841.
Hirata.A., T,Fujino and T.Shiozawa [2003c], g SAR in the human body due to EM waves emitted from a dipole antenna at 400MHz band.h Proc of IEEE Internaitonal Symposium on EMC, Jun 2003.
Hirata.A., T.Fujino and T.Shiozawa [2004a], gSAR and temperature increase induced in the human body due to body-mounted antenna.h Proc of IEEE AP-S International Symposium.
Hirata.A., T,Fujino, M.Fujimoto and T.Shiozawa [2004b], gCorrelation of SAR and temperature increase induced in the human body due to body-mounted antennas at 400MHz and 900MHz.h Proc of International Symposium on Antenna and Propagat., pp.785-788.
Hosokawa.K., H.Yamaguchi, T.Ikehara, H.Shichijo, M.Kitamura, K.Yoshizaki, Y.Kinouchi, H.Miyamoto and K.Aizawa , gEffects of ELF magnetic fields on signal for differentiation of cultured osteoblast-like cell by ImSpector system,h Jpn J Physiol, vol.53, S141
Ichioka.S., M.Minegishi, M.Iwasaka, M.Shibata, T.Nakatsuka and J.Ando , gSkin temperature changes induced by strong static magnetic field exposure,h Bioelectromagnetics, vol.24, pp.380-386
Ikeda.K., Y.Shnmura, H.Mizoe, H.Yoshizawa, A.Yoshida and H.Hirose , gNo effects of extremely low frequency magnetic fields found on cytotoxic activities and cytokine production of human peripheral blood mononuclear cells in vitro,h Bioelectromagnetics, vol.24, pp.21-31
Ikehara.T., K.H.Park, H.Yamaguchi, K.Hosokawa, K.Yoshizaki, H.Miyamoto, K.Aizawa and Y.Kinouchi. , gEffects on Rb+ (K+) uptake of HeLa cells in a high K+ medium of exposure to a switched 1.7 tesla magnetic field.h Bioelectromagnetics vol.21, pp.228-237
Ikehara.T., K.H.Park, H.Yamaguchi, K.Hosokawa, H.Houchi, M.Azuma, K.Minakuchi, H.Kashimoto, M.Kitamura, Y.Kinouchi, K.Yoshizaki. and H.Miyamoto , gEffects of a time-varying strong magnetic field on release of cytosolic free Ca2+ from intracellular stores in cultured bovine adrenal chromaffin cells.h Bioelectromagnetics, vol.23, pp.505-515
IkeharaT., H.Yamaguchi, K.Hosokawa, H.Miyamoto and K.Aizawa , gEffects of ELF magnetic field on membrane protein structure of living HeLa cells studied by Fourier transform infrared spectroscopy,h Bioelectromagnetics, vol.24, pp.457-464
Y.Takashima, H.Takeyama, M.Iwasaka, S.Ueno, T.Matsunaga, J.Miyakoshi and
T.Koana , gEstimation of mutagenicity and perturbative effects by
exposure to strong magnetic field,h Proceedings of the WHO 3rd
International EMF Seminar in
Ikehata.M., Y. Takashima, Y. Suzuki, H. Shimizu, J. Miyakoshi and T. Koana , gExposure to a power frequency magnetic field (50 Hz, 40 mT) did not cause point mutation in bacteria.h Environ. Mut Res., vol.23, pp.215-222
Ikehata.M, M.Iwasaka, J.Miyakoshi, S.Ueno and T.Koana hEffects of intense magnetic fields on sedimentation pattern and gene expression profile in budding yeast.h J.Appl.Phys, vol.93, pp.6724-6726
Ikehata.M., M.Iwasaka, T.Nagai, Y.suzuki, M.Taki and T.Koana [2004a], gEstimation of biological effects of complex environmental magnetic fields with various frequency components,h Proceedings of the ICNIRP/WHO International NIR Workshop and URSI Symposium, May
Ikehata.M., Y.Takashima, J.Miyakoshi and T.Koana [2004b], gEstimation of biological effects of extremely low frequency magnetic fields,h 11th International Congress of the International Radiation Protection Association, May
Y.Emoto, H.Asahara and C.Yamanaka , gAir bubble movements and animal
behavior as responses to electromagnetic signals before earthquakes: Network
monitoring of catfish.h Proceedings of EMCf04
Ishido.R., T. Onishi, K. Saito, S. Uebayashi, and K. Ito , gA study on the solid phantoms for 3-6 GHz and evaluation of SAR distributions based on the thermographic method,h Proceedings of 2004 International Symposium on Electromagnetic Compatibility, EMC'04 Sendai, 3B3-2, pp.577-580
Ishii.N., M. Miyakawa and K. Sakai , gAnalysis and design on EM wave absorption by stratified construction materials – a case of vertically incident wave,h Proc. IEEE Symposium on EMC, pp.800-805
Ishii.N., M. Miyakawa and K. Sakai: "Method for Achieving Electromagnetic Wave Absorption by Low-loss Stratified Construction Materials", IEEE Trans. EMC (in press).
Ito.K., H.Kawai and K.Saito , gState of the art and future prospects of biological tissue-equivalent phantom.h Transaction on IEICE, vol.J85-B, n0.5, pp.582-596 (In Japanese).
Ito.K and H. Kawai , gPhantoms for
evaluation of interactions between antennas and human body,h Proceedings of URSI
Symposium on Electromagnetic Theory, (
H.Kawai, M.Takahashi, K.Saito, T.Ueda, M.Saito, H.Ito, H.Osada, Y.Koyanagi and
K.Ogawa , gA simple abdomen phantom of pregnant women at VHF band.h
Proceedings of USNC.URSI United States National
Iwasaka.M., J.Miyakoshi and S.Ueno [2003a], gMagnetic field effects on assembly pattern of smooth muscle cells,h In Vitro Cell Biol-Animal, vol.39
Iwasaka.M., K.Yamamoto, J.Ando and S.Ueno [2003b], gVerification of magnetic field gradient effects on medium convection and cell adhesion,h J Applied Physics, vol.93, pp.6715-1717
Iwasaka.M and S.Ueno [2003c], gDetection of intracellular macromolecule behavior under strong magnetic fields by linearly polarized light.h Bioelectromagnetics, vol.24, pp.564-570
Iwasaka.M and S.Ueno [2003d], gDetection of intracellular macromolecule behavior under strong magnetic field by linearly polarized light,h Bioelectromagnetic vol.24, pp.564-570
Iyama.Y., H.Ebara, Y.Tarusawa, S.Uebayashi, M.Sekijima and T.Nojima , gLarge scale in vitro experiment system for 2GHz exposure.h Bioelectromagnetics, vol.25, pp.599-606
Jarupat.S., A.Kawabata, H.Tokura and A.Borkiewicz , gEffects of the 1900MHz electromagnetic field emitted from cellular phone on nocturnal melatonin secretion,h J Physiol Anthropol, vol.22, pp.61-63
Kagawa,M., T.Shimooka, T.Tatebe and K.Shimizu , gChange of endocytic activity of macrophage by electrostimulation-Fundamental study for possible association of humoral factors,h Technical Report of IEICE, MBE2003-131, pp.19-24 (In Japanese)
Kamimura,Y., K.Kojima and Y.Yamada , gInduced current inside a spherical model of a human head due to magnetic current sources of AC drive electic shaverh. IEICE Trans.B, vol.J85-B, pp.706-714 (in Japanese).
K.Komori, M.Shoji, Y.Yamada, S.Watanabe and Y.Yamanaka [2004a], gHuman body
impedance for contact current measurement in
Kamimura.Y., T.Akutsu, Y.Yamada nd K.wake
[2004b], gInduced current inside of the human head in the vicinity of an
electric shaver.h Proceedings of EMCf04,
Kato.H , gPhantoms for electromagnetic waves in medical use,h IEICE Trans. J-85-B, pp.597-608 (In Japanese)
Kawai.H, et al , gEffects of inaccurate electric constants of the tissue-equivalent phantom on the local SAR and the SAR distribution,h IEICE trans. J85-B, pp.619-630 (In Japanese)
Kawai.H., Y. Koyanagi, K. Ogawa, K. Saito, and K. Ito , gA study on the evaluation of the electromagnetic exposure in the human fetus model at 150 MHz,h IEEE Antennas and Propagation Society International Symposium Digest (Columbus, USA), 3, pp.1087-1090
Kawahito.S., A.Cerman, K.Aramaki and Y.Tadokoro , gA weak magnetic field measurement system using micro-fluxgate sensors and delta-sigma interface,h IEEE IM, pp.103-110
Kawase.K., Y.Watanabe, Y.Ogawa and H.Ito , gComponent spatial pattern analysis of chemicals using Terahertz spectroscopic imaging.h IEEJ Trans.EIS, vol.124, pp.1339-1344 (In Japanese)
H.Ishibashi, M.Adachi, Y.Uchikawa and M.Kotani , gA study on noise
A.Haga , gMeasurement of magnetic fields produced by induction cooking
heaters.h Proceedings of EMCf04
Kezuka.E., M.Masada, T.Shigemitsu and M.Kato , gThe vertically polarized magnetic field has no effect on the content of pteridine in mouse liver,h Asia-Pacific Radio Science Conference Proceedings, pp.450-451
M.Masada, T.Shigemitsu and M.Kato , gEffects of 50Hz magnetic field
exposure on secretion of pteridine in mice is dependent on field polarization.h
2005 BioEM Meeting,
Kiatgamjorn,P., W.Khan-ngern and S.Nitta , gThe comparison of electric field intensity affects to the bean sprouts growing,h Proc.CEEM 2003, pp.142-147.
W.Khan-ngern and S.Nitta , gElectric field direction affects on the
growth of bean sprouts.h Proceedings of EMCf04
Kita.M., A.Hirata and T.Shiozawa , gTemperature rises in the human eye exposed to EM waves emitted fron a dipole antenna at various microwave frequencies.h IEICE Trans.B, vol.J85-B, pp.132-139.
Kobayashi.K., Y.Sato, D.Ando, K.Osashi, B.S.Kim and Y.Uchikawa [2004a], gAnalysis of exercise-induced magnetocardiogram of normal subjects using three-dimensional magnetic measurement.h J Magnetic Society of Japan, vol.28, pp.747-751 (In Japanese)
Kobayashi.M., N.Soda, T.Miyo and Y.Ueda [2004b], gEffects of combined DC and AC magnetic fields on germination of hornwort seeds,h Bioelectromagnetics, vol.25, pp.552-559
Kojima.M., I.Hata, K.Wake, S.Watanabe, Y.Yamanaka and Y.Kamimura , gInfluence of anesthesia on ocular effects and temperature in rabbit eyes exposed to microwaves,h Bioelectromagnetics, vol.24, pp.28-233
Kotsuka.Y and H.Okada , gDevelopment of Small and High Efficiency Implant for Deep Local Hyperthermia,h Jap. J. of Hyperthermic Oncology, vol.19, pp.11-22
Kouno.Y., A.Hashizume, S.Hoshino, H.Hirata, Y.Okita and T.Sugiura , gDevelopment state of multifrequency microwave radiometer system for noninvasive measurement of infantfs deep brain temperatures.h Asia-Pacific Radio Science Conference Proceedings, pp.438-441
Koyama.S., T.Nakahara, K.Wake, M.Taki, Y.,Isozumi and J.Miyakoshi , gEffects of high frequency electromagnetic fields on micronucleus formation in CHO-K1 cells,h Mutation Research, vol.541, pp.81-89
Koyama.S., T.Nakahara, H.Hirose, Gui-Rong Ding, Y.Takashima, Y.Isozumi and J.Miyakoshi [2004a], gELF Electromagnetic fields increase hydrogen peroxide (H2O2)-induced mutations in pTN89 plasmids.h Mutation Research., vol.560, pp.27-32
Koyama.S., T.Nakahara, H.Hirose, Y.Takashima, Y.Isozumi and J.Miyakoshi [2004b], gCombined effects of extremely low frequency electromagnetic fields (ELFMFs) and X-rays or H2O2 on mutation in pTN89 plasmids.h Asia-Pacific Radio Science Conference Proceedings pp.414-417
Koyama.S., Y.Isozumi, Y.Suzuki, M.Taki and J.Miyakoshi [2004c], gEffects of 2.45GHz electromagnetic fields with wide range of SARs on micronucleus formation in CHO-K1 cells.h The Scientific World Journal. vol.4, pp.29-40
Koyanagi.Y., H.Kawai, K.Ogawa and K.Ito , gEstimation of the local SAR in the human abdomen using a human body phantom and small antennas at 150MHz.h IEICE Trans.B, Vol.J86-B, pp.1207-1218 (In Japanese)
Kuriyama.Y , gLiquid
materialfs complex permittivity measurement using a rectangular waveguide and a
dielectric tube at 800 and 900MHz band,h Proceedings of EMC f04
Kurokawa.Y., H.Nitta, H.Imai and M.Kabuto [2003a], gAcute exposure to 50Hz magnetic fields with harmonics and transient components: lack of effects on nighttime hormonal secretion in men,h Bioelectromagnetics, vol.24, pp.12-20
Kurokawa.Y., H.Nitta, H.Imai and M.Kabuto [2003b], gCan extremely low frequency alternating magnetic fields modulate heart rate or its variability in humans?h Autonomic Neuroscience: Basic and Clinical, vol.105, pp.53-61
Matsumoto.T., A.Chiba, K.Shoukura, H.Ikeda and K.Isaka , gAnalysis of current density induced in an ungrounded human model by the method combining the surface-charge integral equation and the finite element method.h IEEJ Trans.PE, Vol.124, pp.778-784 (In Japanese)
Miyakawa.M., K. Sakai, and N. Ishii [2001a], gSelective use of EM waves in the closed space constructed by traditional but new construction materials with various surface structures,h Proc. IEEE EMC International Symposium, 2, pp.794-798
Miyakawa.M., Y. Kawada and M. Bertero [2001b], gImage generation of chirp pulse microwave computed tomography (CP-MCT) by numerical computation –Computation of the human head model-,h Trans. IEICE Japan, J84-D-II, pp.1512-1521
Miyakawa.M., M. Eiyama, and N. Ishii [2001c], gAn attempt of time-domain microwave computed tomography for biomedical use,h Proc. IEEE EMB International Symposium.
Miyakawa.M., M. Shimada, N. Ishii, T. Saeki, and Y. Kanai [2001d], gModel-based permittivity measurement of construction materials by the standing wave method,h Proc. IEEE EMC International Symposium, 2, pp.1135-1140
Miyakawa.M and S. Hoshina [2002a], gA self-supporting gel phantom used for visualization and/or measurement of the three-dimensional distribution of SAR,h Proc. IEEE EMC International Symposium, 2, pp.809-814
Miyakawa.M., K. Yaguchi, N. Ishii, T. Saeki and Y. Kanai [2002b], gAccuracy improvement in permittivity measurement of construction materials by use of a model of the standing wave method in free space,h Proc. IEEE EMC International Symposium, 2, pp.671-676
Miyakawa.M [2002c], gExperimental validation of a linear model for data reduction in chirp-pulse microwave CT,h IEEE Trans. Med. Imaging, pp.385-395
K. Orikasa, M. Bertero, P. Boccacci, F. Conte and M. Piana [2002d],
gExperimental validation of a linear model for data reduction in
Miyakawa.M., K. Orikasa, and M. Bertero [2002e], gEvaluation of the response function and its space dependence in Chirp Pulse Microwave Computed Tomography (Co-MCT),h IEICE, Trans. Inf. & Syst., Vol. E85-D, pp.52-59
Miyakawa.M., Wu Jing, K. Sugawara and M. Bertero [2002f], gFDTD-based computation to find an optimal configuration of the printed array antenna used for a fan beam scanner of chirp pulse microwave computed tomography (CP-MCT),h Proc. PIERS 2002 in Cambridge, July 1-5, p.592
K. Sugawara, M. Bertero and M. Piana [2002g], gComputational Imaging of the
Breast- and Head-Models in CP-MCT,h Proc. PIERS 2002 in
Miyakawa.M., E. Harada and Wu Jing [2003b], gChirp pulse microwave computed tomography(CP-MCT) equipped with a fan beam scanner for high-speed imaging of a biological target,h Proc. 25th Annual International Conference on Engineering in Medicine and Biology Society, pp.1031-1034
M.Yoshida, Y.Tarusawa, T.Nojima, K.Wake and M.Taki , gEffects of
high-frequency electromagnetic fields on DNA strand breaks using Comet assay
method,h Electrial Engineering in
, gCellular and molecular effects of electromagnetic fields,h Proceedings
Miyakoshi,J., K.Takemasa, Y.takashima, G.-R.Ding, H.Hirose and S.Koyama  gEffects of exposure to a 1950 MHz radio-frequency field on expression of Hsp70 and Hsp27 in human glioma cellsh. Bioelectromagnetics, vol.26, pp.251-257.
Mizoue.T., Y.Onoe, H.Moritake, J.Okamura, S.Sokejima, and H.Nitta , gResidential proximity to high-voltage power lines and risk of childhood hematological malignancies.h J Epidemiology, vol.14, pp.118-123
Mochizuki S., S. Watanabe, M. Taki, Y. Yamanaka and H. Shirai [2004a], gSize of head phantoms for standard measurements of SAR due to wireless communication devicesh, Electronics and Communications in Japan, Part1, Vol.87, no.4, pp.82—90
Mochizuki S., S. Watanabe, M. Taki, Y. Yamanaka and H. Shirai [2004c], gA new iterative MoM/FDTD formulation for simulating human exposure to electromagnetic waves,h IEICE Trans. Electron., Vol.E87-C, no.9, pp.1540—1547
Morita,Y., T.Shimooka, I.Fujii and K.Shimizu [2002a], gEffect of ELF electrostimulation on histamine release from mast cells,h Technical Report of IEICE, MBE2001-175, pp.91-96 (In Japanese)
Morita.M., A.Hirata and T.Shiozawa [2002b], gPrediction of temperature rise in the human head in terms of localSAR.h IEICE Trans.B, vol.J85-B, pp.723-725.
Moriyama.K and K.Yoshitomi [2005a], gApartment electrical wiring: a cause of extremely low frequency magnetic field in residential areas.h Bioelectromagnetics, vol.26, pp.238-241
Moriyama,K., H.sato, K.Tanaka, Y.Nakashima, and K.Yoshitomi [2005b], gExtremely low frequency magnetic fields originating from equipment used for assisted reproduction, umbilical cord and peripheral blood stem cell transplantation, transfusion, and hemodynamicsh. Bioelectromagnetics, vol.26, pp.69-73.
Nagai.T., Y.Suzuki, T.Tanaka, M.Ikehata and M.Taki , gExposure setups for in vitro experiment on biological effects of complex magnetic fields with static and time-varying components.h Asia-Pacific Radio Science Conference Proceedings, pp.422-423
Nagy.P and G.Fiscl , gEffect of static magnetic field on growth and sporulation of some plant pathogenic fungi,h Bioelectromagnetics, vol.25, pp.316-318
Nakahara,T., H.Yaguchi, M.Yoshida and J.Miyakoshi  gEffects of exposure of CHO-k1 cells to a 10 T static magnetic fieldh. Radiology, vol.224, pp.817-822.
Nagaoka.T., S.Watanabe, K.Sakurai, E.Kunieda, S.Watanabe and M.Taki , gDevelopment of realistic high-resolution whole-body voxel models of Japanese adult male and females of average height and weight, and application of models to radio-frequency electromagnetic-field dosimetry,h Phys Med Biol, vol.49, pp.1-15
R.Yamaguchi and S.Uebayashi , g
Nishizawa.S and F.Landstorfer and O.Hashimoto , gExperimental study on equivalent magnetic source in ELF range (in Japanese).h IEICE Trans.B, J86-B, pp.1251-1254
Nishizawa.S., H.Ruoss, F.Landstorfer and O.Hashimoto [2004a]. gNumerical study on an equivalent source model for inhomogeneous magnetic field dosimetry in the low frequency range,h IEEE on BME, Vol.51, pp.612-616
Nishizawa,S., F.Landstorfer and O.Hashimoto [2004b], gStudy of the magnetic field properties around household appliances using coil source model as prescribed by the European standard EN50366h, IEICE Trans Electron, Vol.E87-C, pp.1636-1639.
Oda.T and T.Koike , gMagnetic field exposure saves rat cerebellar granule neurons from apoptosis in vitro.h Neuroscience Letters., vol.365, pp 83-86
Okano.H and C.Ohkubo [2003a], gAnti-stressor effects of whole body exposure to static magnetic field on pharmacologically induced hypertension in conscious rabbits,h Bioelectromagnetics, vol.24, pp.139-147
Okano.H and C.Ohkubo [2003b], gEffects of static magnetic fields on plasma levels of angiotensin II and aldostrone associated with arterial blood pressure in genetically hypertensive rats,h Bioelectromagnetics vol.24, pp.403-412
Okano.H., H.Masuda and C.Ohkubo , gDecreased plasama levels of nitric oxide metabolites, angiotesin II, and aldosterone in spontaneously hypertensive rats exposed to 5mT static magnetic field.h Bioelectromagnetics vol.26, pp.161-172
S.Uebayashi and T.Nojima , gThe test phantom for implantable medical
device to estimate the impact from RF EMF.h Proceedings of EMCf04
Ohshima.T., J.Wang and O.Fujiwara [2002a], gDependence on human body modeling of electromagnetic interference of cardiac pacemaker by portable telephones.h Trans.B, IEICE, vol.J85-B, pp.726-728.
Ohshima.T., E.Takahashi, J.Wang and O.Fujiawra [2002b], g Verification of electromagnetic interference testing of cardiac pacemakers by portable terminals with an MRI-based anatomical human model.h Trans.B, IEICE, vol.J85-B, pp.2419-2421.
Ohtake.Y and S.Kuwano , gFDTD analysis of induced currents in a realistic heterogeneous model of man exposed to RF plane wave.h IEICE Trans. B, J87-B, pp.1116-1118 (In Japanese).
A.Hara , gResearch on biological responses related to the effects of
extremely low frequency electric fields,h Proceedings of EMCf04,
Okano.H and C.Ohkubo , gEffects of static magnetic fields on plasma levels of angiotensin II and aldosterone associated with arterial blood pressure in genetically hypertensive rats.h Bioelectromagnetics vol.24, pp.403-412
S.Uebayashi , gThe influence of a phantom shell on SAR measurement in the
higher frequency range (3-6GHz).h Proceedings of EMCf04
Rotcharoen,T., W.JKhan-ngern and S.Nitta , g The study of rice growing with the electromagnetic field effect stimulated 300kV switching substation,h Proc.CEEM 2003, pp.148-152.
P.Kerdonfag, W.Khan-ngren and S.Nitta , gThe study of bending effect on
the growth of the primary root of rice caused by electric field.h Proceedings
Sakae.M., A.Asakawa, K.Ikesue, T.Shindo, S.Yokoyama and M.Hara , gEffects of different kinds of live trees and a tree model on discharge characteristics to an open wire and a nearby tree,h IEEJ Trans. PE, Vol.123, pp.60-67 (In Japanese)
Sakurai.T., A.Satake, S.Sumi, K.Inoue and J.Miyakoshi [2004a], gAn extremely low frequency magnetic field attenuated insulin secretion from the insulinoma cell line, RIN-m,h Bioelectromagnetics vol.25, pp.160-166
Sakurai,T., S.satake, S.Sumi, K.Inoue, N.Nagata, Y.Tabata and J.Miyakoshi [2004b] gThe efficient prevasculariation induced by fibroblast growth factor 2 with collagen coated-device improves the cell survival of a bioartificial pancreash. Pancreas, vol.28, pp.70-79.
Sakurazawa.H., A.Iwasaki, T.Higashi, T.Nakayama and Y.Kusaka , gAssessment of exposure to magnetic fields in occupational settings,h J Occup Health, vol.45, pp.104-110
Sasada.I , gThree-coil system for producing uniform magnetic fields.h J Magnetic Society of Japan, Vol.27, pp.612-615 (In Japanese)
Saito.K., H. Yoshimura, and K. Ito , gNumerical simulation for interstitial heating of actual neck tumor based on MRI tomograms by using a coaxial-slot antenna.h IEICE Transactions on Electronics, vol. E86-C, pp.2482-2487 (In Japanese)
Saito.K., H.Yoshimura, K.Ito, Y.Aoyagi and H.Horita [2004a], gClinical trials of interstitial microwave hyperthermia by use of coaxial-slot antenna with two slots.h IEEE Transactions on Microwave Theory and Techniques vol.52, no.8, pp.1987-1991.
Miyata, H. Yoshimura, and K. Ito [2004b], gTreatment system of interstitial
microwave hyperthermia: clinical trials for neck tumor and improvement of
antenna elements,h Digest of International Union of Radio
Science (URSI) National Radio Scientific Meeting (
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