Parametric analysis of transient skin heating induced by terahertz radiation.

abstract：:Several investigators have reported robust, statistically significant results that indicate that weak (approximately 1 microT) magnetic fields (MFs) increase the rate of morphological abnormalities in chick embryos. However, other investigators have reported that weak MFs do not appear to affect embryo morphology at a...

journal_title：Bioelectromagnetics

authors： Farrell JM,Litovitz TL,Penafiel M,Montrose CJ,Doinov P,Barber M,Brown KM,Litovitz TA

更新日期：1997-01-01 00:00:00

abstract：:Magnetite, the only known biogenic material with ferromagnetic properties, has been identified as a biochemical precipitate in three of the five kingdoms of living organisms, with a fossil record that now extends back nearly 2 billion years. In the magnetotactic bacteria, protoctists, and fish, single-domain crystals ...

journal_title：Bioelectromagnetics

authors： Kirschvink JL

更新日期：1989-01-01 00:00:00

abstract：:We previously found that flowering of Arabidopsis was suppressed by near-null magnetic field, which was related to the modification of cryptochrome. To disclose the physiological mechanism of this effect, we detected gibberellin (GA) levels and expressions of GA biosynthetic and signaling genes in wild type Arabidopsi...

journal_title：Bioelectromagnetics

authors： Xu C,Yu Y,Zhang Y,Li Y,Wei S

更新日期：2017-01-01 00:00:00

abstract：:For 35 years, I have been involved in various bioelectromagnetics research projects including acute and long-term radiofrequency (RF) bioeffects studies, dosimetry, exposure systems, MRI safety, cancer studies involving hyperthermia and electrochemical treatment, development of RF exposure and measurement standards, a...

journal_title：Bioelectromagnetics

authors： Chou CK

更新日期：2007-01-01 00:00:00

abstract：:Hyperthermia has been used in conjunction with radiation and chemotherapy for cancer treatment. When using electromagnetic heating, applicators are critical components in contact with or in proximity to patients and can be the determining factor for effective and safe treatment. Tissue absorption of electromagnetic en...

journal_title：Bioelectromagnetics

authors： Chou CK

更新日期：1992-01-01 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：:The present article reviews the basic principles of a new approach to the characterization of pulmonary disease. This approach is based on the unique nuclear magnetic resonance (NMR) properties of the lung and combines experimental measurements (using specially developed NMR techniques) with theoretical simulations. T...

journal_title：Bioelectromagnetics

authors： Cutillo AG,Ailion DC

更新日期：1999-01-01 00:00:00

abstract：:In this study, we aimed to clarify the effects of chronically applied static magnetic field (200 Gauss) on specific ATPase activities and bioelectrical and biomechanical responses in isolated rat diaphragm muscle. The mean activities of Na(+)-K+ ATPase and Ca2+ ATPase determined from the diaphragm homogenates were sig...

journal_title：Bioelectromagnetics

authors： Iteğin M,Günay I,Loğoğlu G,Isbir T

更新日期：1995-01-01 00:00:00

abstract：:Both eyes of anesthetized cynomolgus monkeys (Macaca fascicularis) were irradiated with 2.45-GHz microwaves, either pulsed or continuous wave. In vivo corneal endothelial abnormalities were observed by specular microscopy and confirmed through histologic techniques after a 16- to 48-hour postexposure period. Pulsed mi...

journal_title：Bioelectromagnetics

authors： Kues HA,Hirst LW,Lutty GA,D'Anna SA,Dunkelberger GR

更新日期：1985-01-01 00:00:00

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

journal_title：Bioelectromagnetics

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

更新日期：2007-07-01 00:00:00

abstract：: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：: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 effects of millimeter waves (MW) on human keratinocytes were studied in vitro using the HaCaT keratinocyte cell line. MW-induced modulation of keratinocyte function was studied in proliferation, adhesion, chemotaxis, and interleukin-1beta (IL-1beta) production assays. Spontaneous proliferation, adhesion to tissue ...

journal_title：Bioelectromagnetics

authors： Szabo I,Rojavin MA,Rogers TJ,Ziskin MC

更新日期：2001-07-01 00:00:00

abstract：:The impedance spectroscopy technique (IST) was used for studying the effect of a 0.5 T magnetic field on the electrical properties of whole human blood. A Solartron SI 1260 spectrometer was used to measure the impedance spectra of magnetic field exposed blood samples compared to non-exposed samples. An equivalent elec...

journal_title：Bioelectromagnetics

authors： Sosa M,Bernal-Alvarado J,Jiménez-Moreno M,Hernández JC,Gutiérrez-Juárez G,Vargas-Luna M,Huerta R,Villagómez-Castro JC,Palomares P

更新日期：2005-10-01 00:00:00

abstract：:Studies have evaluated the electroencephalography (EEG) of humans and laboratory animals during and after Radiofrequency (RF) exposures. Effects of RF exposure on the blood-brain barrier (BBB) have been generally accepted for exposures that are thermalizing. Low level exposures that report alterations of the BBB remai...

journal_title：Bioelectromagnetics

authors： D'Andrea JA,Chou CK,Johnston SA,Adair ER

更新日期：2003-01-01 00:00:00

abstract：: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：:To characterize the inhibitory effect of a static magnetic field, action potentials (AP) were elicited by intracellular application of 1 ms depolarizing current pulses of constant amplitude to the somata of adult mouse dorsal root ganglion neurons in monolayer dissociated cell culture. During the control period, < 5% ...

journal_title：Bioelectromagnetics

authors： McLean MJ,Holcomb RR,Wamil AW,Pickett JD,Cavopol AV

更新日期：1995-01-01 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：:We investigated the effects on human keratinocytes (HaCaT) of exposure to a sinusoidal magnetic field of 2 mT (50 Hz). These cells are a good model for studying interaction of nonionising radiation, because they are not shielded from fields in vivo and also because they are resistant to both mechanical and thermal sti...

journal_title：Bioelectromagnetics

authors： Manni V,Lisi A,Pozzi D,Rieti S,Serafino A,Giuliani L,Grimaldi S

更新日期：2002-05-01 00:00:00

abstract：:The fundamental intramolecular frequency of a globular protein can be obtained from the measurements of acoustic velocities of bulk protein matter. This lowest frequency for common size molecules is shown to be above several hundred GHz. All modes below this frequency would then be intermolecular modes or bulk modes o...

journal_title：Bioelectromagnetics

authors： Prohofsky EW

更新日期：2004-09-01 00:00:00

abstract：:The treatment of long-term, stable para- and quadriplegics with pulsed electrical stimulation for pain control resulted in, anecdotally, a significant number of these individuals showing increased motor function as well as sensory awareness. This small pilot study was conducted in order to assess the hypothesis that p...

journal_title：Bioelectromagnetics

authors： Ellis W

更新日期：1987-01-01 00:00:00

abstract：:Magnetic resonance (MR)-based electrical impedance tomography (MREIT) is a widely used imaging technique that provides high-resolution conductivity images at DC or below the 1 kHz frequency range. Using an MR scanner, this technique injects imaging currents into the human body and measures induced internal magnetic fl...

journal_title：Bioelectromagnetics

authors： Jeong WC,Meng ZJ,Kim HJ,Kwon OI,Woo EJ

更新日期：2014-07-01 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：:The mechanism by which animals detect weak electric and magnetic fields has not yet been elucidated. We propose that transduction of an electric field (E) occurs at the apical membrane of a specialized cell as a consequence of an interaction between the field and glycoproteins bound to the gates of ion channels. Accor...

journal_title：Bioelectromagnetics

authors： Kolomytkin OV,Dunn S,Hart FX,Frilot C 2nd,Kolomytkin D,Marino AA

更新日期：2007-07-01 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：:Adair [Bioelectromagnetics 14:1-4, 1993] writes that "the effects of 60 Hz magnetic fields of 5 microT (50 mG) or less on biological structures holding magnetite (Fe3O4) are shown to be much smaller than those from thermal agitation; hence such interactions cannot be expected to be biologically significant." This conc...

journal_title：Bioelectromagnetics

authors： Polk C

更新日期：1994-01-01 00:00:00

abstract：:The possible effects of repeated night-time exposure to an extremely low frequency magnetic field (ELF-MF) on melatonin were investigated in nine healthy male subjects aged 23-37 yr. The 16-week experiment consisted of 3 weeks of pre-exposure, 11 weeks of night-time exposure to MF generated from a nonheated electric s...

journal_title：Bioelectromagnetics

authors： Hong SC,Kurokawa Y,Kabuto M,Ohtsuka R

更新日期：2001-02-01 00:00:00

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

journal_title：Bioelectromagnetics

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

更新日期：2011-02-01 00:00:00

abstract：:Cell-based or magnetic field therapies as alternative approaches to pain management have been tested in several experimental pain models. The aim of this study therefore was to investigate the actions of the cell-based therapy (adipose tissue derived mesenchymal stem cells; ADMSC) or pulsed magnetic field (PMF) therap...

journal_title：Bioelectromagnetics

authors： Mert T,Kurt AH,Altun İ,Celik A,Baran F,Gunay I

更新日期：2017-05-01 00:00:00

abstract：:Reports that low-intensity microwave radiation induces heat-shock reporter gene expression in the nematode, Caenorhabditis elegans, have recently been reinterpreted as a subtle thermal effect caused by slight heating. This study used a microwave exposure system (1.0 GHz, 0.5 W power input; SAR 0.9-3 mW kg(-1) for 6-we...

journal_title：Bioelectromagnetics

authors： Dawe AS,Bodhicharla RK,Graham NS,May ST,Reader T,Loader B,Gregory A,Swicord M,Bit-Babik G,de Pomerai DI

更新日期：2009-12-01 00:00:00