Bioelectromagnetics

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Aetiology of childhood leukemia
Bioelectromagnetics - Tập 26 Số S7 - Trang S5-S11 - 2005
Tracy Lightfoot
Effects of weak static magnetic fields on endothelial cells
Bioelectromagnetics - Tập 31 Số 4 - Trang 296-301 - 2010
Carlos F. Martino, H. Perea, Úrsula Hopfner, Virginia L. Ferguson, Erich Wintermantel
AbstractPulsed electromagnetic fields (PEMFs) have been used extensively in bone fracture repairs and wound healing. It is accepted that the induced electric field is the dose metric. The mechanisms of interaction between weak magnetic fields and biological systems present more ambiguity than that of PEMFs since weak electric currents induced by PEMFs are believed to mediate the healing process, w... hiện toàn bộ
On the “unreasonable” effects of ELF magnetic fields upon a system of ions
Bioelectromagnetics - Tập 23 Số 7 - Trang 522-530 - 2002
Elisabetta Giudice, M. Fleischmann, G. Preparata, G. Talpo
AbstractA recent experiment on a physical, nonbiological system of ions at room temperature has proved that microscopic ion currents can be induced by applying simultaneously two parallel magnetic fields, one rather weak static field, $\vec B_0$ and one much weaker alternating field, $\vec B_{ac}$, [Bac ∼ 10−3 B0] whose frequency coincides with the cyclotron frequency $v\, = \,qB_0 /2{\pi}m$ of th... hiện toàn bộ
Effects of ELF (1–120 Hz) and modulated (50 Hz) RF fields on the efflux of calcium ions from brain tissue in vitro
Bioelectromagnetics - Tập 6 Số 1 - Trang 1-11 - 1985
Carl F. Blackman, S. G. Benane, Dennis E. House, William T. Joines
AbstractWe have previously shown that 16‐Hz, sinusoidal electromagnetic fields can cause enhanced efflux of calcium ions from chick brain tissue, in vitro, in two intensity regions centered on 6 and 40 Vp‐p/m. Alternatively, 1‐Hz and 30‐Hz fields at 40 Vp‐p/m did not cause enhanced efflux. We now demonstrate that although there is no enhanced efflux associated with a 42‐Hz field at 30, 40, 50, or ... hiện toàn bộ
Dosimetric evaluation and comparison of different RF exposure apparatuses used in human volunteer studies
Bioelectromagnetics - Tập 29 Số 1 - Trang 11-19 - 2008
Clémentine M. Boutry, Sven Kühn, Peter Achermann, Albert Romann, Jafar Keshvari, Niels Kuster
AbstractThe aim of this study was to provide the information necessary to enable the comparison of exposure conditions in different human volunteer studies published by the research groups at the Universities of Turku, Swinburne, and Zurich. The latter applied a setup optimized for human volunteer studies in the context of risk assessment while the first two applied a modified commercial mobile ph... hiện toàn bộ
The effect of GSM and TETRA mobile handset signals on blood pressure, catechol levels and heart rate variability
Bioelectromagnetics - Tập 28 Số 6 - Trang 433-438 - 2007
Anthony T. Barker, Peter R. Jackson, Helen Parry, Les Coulton, Gregory B. Cook, Steven Wood
AbstractAn acute rise in blood pressure has been reported in normal volunteers during exposure to signals from a mobile phone handset. To investigate this finding further we carried out a double blind study in 120 healthy volunteers (43 men, 77 women) in whom we measured mean arterial pressure (MAP) during each of six exposure sessions. At each session subjects were exposed to one of six different... hiện toàn bộ
Measurements of skin surface temperature during mobile phone use
Bioelectromagnetics - Tập 28 Số 2 - Trang 159-162 - 2007
Vitas Anderson, Jack Rowley
AbstractWe measured maximum temperature rises on the side of the face after 6 min of continuous mobile phone operation using two models of AMPS analog phones operating in the 835 MHz band and three early model GSM digital phones operating in the 900 MHz band. For the GSM phones the highest recorded temperature rise difference was 2.3 °C and for the AMPS phones it was 4.5 °C, both at locations on t... hiện toàn bộ
Effects of mobile phone electromagnetic fields: Critical evaluation of behavioral and neurophysiological studies
Bioelectromagnetics - Tập 32 Số 4 - Trang 253-272 - 2011
Myoung Soo Kwon, Heikki Hämäläinen
Cellular phone use does not acutely affect blood pressure or heart rate of humans
Bioelectromagnetics - Tập 25 Số 2 - Trang 73-83 - 2004
Kari U. O. Tahvanainen, Juanita Niño, Pirjo Halonen, Tom Kuusela, Tomi Laitinen, Esko Länsimies, Juha Hartikainen, Maila Hietanen, Harri Lindholm
AbstractA recent study raised concern about increase of resting blood pressure after a 35 min exposure to the radiofrequency (RF) field emitted by a 900 MHz cellular phone. In this randomized, double blind, placebo controlled crossover trial, 32 healthy subjects were submitted to 900 MHz (2 W), 1800 MHz (1 W) cellular phone exposure, and to sham exposure in separate sessions. Arterial blood pressu... hiện toàn bộ
Transcriptional patterns in the X chromosome of Sciara coprophila following exposure to magnetic fields
Bioelectromagnetics - Tập 8 Số 1 - Trang 1-7 - 1987
Reba Goodman, Joan Abbott, A.S. Henderson
AbstractWe previously demonstrated that exposure of salivary gland cells of the dipteran, Sciara coprophila, to either asymmetrical or symmetrical changing magnetic fields results in an increase in the incorporation of radioactive uridine into RNA. The present report is an analysis of the grain count distribution over the X chromosome of Sciara in transcription autoradiograms following exposure of... hiện toàn bộ
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