[Early and Delayed Effects of Radio Frequency Electromagnetic Fields on the Reproductive Function and Functional Status of the Offspring of Experimental Animals].
Research
RF Safe Research Library
Jan 1, 2015
This experimental animal study examined RF EMF effects on reproduction in CBA mice and on the morphofunctional status of their offspring under two exposure models. The authors report that repeated short-term RF EMF exposure (5 days, 10 minutes per day, 1.2 mW/cm2) affected pregnancy course, litter number, fertility,…
[Influence of Low-Frequency Electromagnetic Field on DNA Molecules in Water Solutions].
Research
RF Safe Research Library
Jan 1, 2015
This in vitro study reports that hepatitis B and C virus DNA amplicons in water solutions produced a chemiluminescence-registered signal after exposure to low-frequency electromagnetic fields (3–30 Hz; 24–40 A/m). The strongest reported effect occurred at 9 Hz, alongside an observed change in the DNA hydration shell.…
The effect of electromagnetic radiation emitted by display screens on cell oxygen metabolism - in vitro studies.
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RF Safe Research Library
Jan 1, 2015
This in vitro study exposed human blood platelet suspensions to 1 kHz electromagnetic fields at 150 or 220 V/m for 30 or 60 minutes. The authors report increased ROS and MDA (at 220 V/m, 30 min) and decreased antioxidant enzyme activities (SOD-1 and catalase), with the largest changes at 220 V/m for 60 minutes. They…
Electromagnetic fields counteract IL-1β activity during chondrogenesis of bovine mesenchymal stem cells.
Research
RF Safe Research Library
Jan 1, 2015
This in vitro study examined whether electromagnetic fields (EMFs) influence chondrogenic differentiation of bovine mesenchymal stem cell pellets, with and without the inflammatory cytokine IL-1β. The authors report EMFs had limited effects on chondrogenesis in the absence of inflammation, but in the presence of…
The effects of different intensities, frequencies and exposure times of extremely low-frequency electromagnetic fields on the growth of Staphylococcus aureus and Escherichia coli O157:H7.
Research
RF Safe Research Library
Jan 1, 2015
This in vitro study examined whether extremely low-frequency electromagnetic fields (ELF-EMF) affect growth of Staphylococcus aureus and Escherichia coli O157:H7. Bacterial cultures were exposed to sinusoidal homogeneous ELF-EMF at 2 or 4 mT, with frequencies of 20, 40, or 50 Hz, for 1–6 hours, and CFU were compared…
Electromagnetic fields (UHF) increase voltage sensitivity of membrane ion channels; possible indication of cell phone effect on living cells.
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RF Safe Research Library
Jan 1, 2015
This in vitro study used voltage clamp recordings of single OmpF porin channels in an artificial bilayer to test effects of UHF EMF (910–990 MHz). The authors report frequency-dependent changes in channel gating, with increased gating frequency and voltage sensitivity and a maximum effect at 930 MHz. Conductance was…
The use of low-level electromagnetic fields to suppress atrial fibrillation.
Research
RF Safe Research Library
Jan 1, 2015
This animal study tested whether extremely low-level pulsed EMF (0.034 μG, 0.952 Hz) could suppress induced atrial fibrillation in 17 anesthetized dogs. EMF applied to cervical vagal trunks or across the chest was reported to suppress neural firing in the anterior right ganglionated plexi. The authors report that EMF…
Effects of extremely low frequency electromagnetic fields on paraoxonase serum activity and lipid peroxidation metabolites in rat
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RF Safe Research Library
Aug 13, 2014
This randomized animal experiment examined whether 60 Hz extremely low frequency magnetic field (ELF-MF) exposure alters oxidative stress-related biomarkers in 75 Wistar rats. The authors report increased lipid peroxidation markers after both single and 14-day exposures, alongside changes in antioxidant-related…
Sleep quality and general health status of employees exposed to extremely low frequency magnetic fields in a petrochemical complex
Research
RF Safe Research Library
Apr 29, 2014
This cross-sectional study measured ELF magnetic flux density in a petrochemical complex substation environment and assessed workers' sleep quality (PSQI) and general health (GHQ). It reports significant differences between case and control groups, with more sleep disorder and poorer health status in the case group.…
Exposure to radio-frequency electromagnetic fields from broadcast transmitters and risk of childhood cancer: a census-based cohort study
Research
RF Safe Research Library
Apr 1, 2014
This census-based cohort study in Switzerland examined modeled RF-EMF exposure from broadcast transmitters and childhood cancer risk using two cohort approaches. Across analyses, no association was reported for all cancers or childhood leukemia. Findings for CNS tumors were inconsistent, and the incidence density…
Assessment of the neurotoxic potential of exposure to 50Hz extremely low frequency electromagnetic fields (ELF-EMF) in naïve and chemically stressed PC12 cells
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RF Safe Research Library
Jan 1, 2014
This in vitro study tested acute (30 min) and sub-chronic (48 h) 50 Hz ELF-EMF exposure up to 1000 µT in naïve and chemically stressed PC12 cells. Across assays of Ca2+ homeostasis, ROS production, and membrane integrity, the study reports no consistent or measurable neurotoxic effects under the tested conditions.…
Occupational exposure to intermediate frequency and extremely low frequency magnetic fields among personnel working near electronic article surveillance systems
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RF Safe Research Library
Jan 1, 2014
This workplace measurement study assessed intermediate frequency (IF) and extremely low frequency (ELF) magnetic field exposure among cashiers working near electronic article surveillance (EAS) systems in Finnish stores. Typical seated exposures were reported as well below limits, but short-term exceedances of ICNIRP…
Extremely low-frequency magnetic fields of transformers and possible biological and health effects
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RF Safe Research Library
Jan 1, 2014
This study measured leakage extremely low-frequency (ELF) magnetic fields around a transformer located on the bottom floor of a three-floor apartment building in Istanbul. The measurements were evaluated against international exposure standards, and the authors report exposures higher than the IARC threshold magnetic…
Occupational exposure to electromagnetic fields of uninterruptible power supply industry workers
Research
RF Safe Research Library
Jan 1, 2014
This workplace exposure assessment reports extensive spot measurements of ELF electric and magnetic fields in a UPS factory across test areas, production lines, and power substations. The highest fields were observed in test areas (up to 992.0 V/m and 215.6 µT). The authors state that measured levels were below…
Two of three patients with multiple chemical sensitivity had less symptoms and secondary hyperalgesia after transcranially applied pulsed electromagnetic fields.
Research
RF Safe Research Library
Jan 1, 2014
This open case study assessed transcranially applied pulsed electromagnetic fields (PEMF) as a potential therapy for multiple chemical sensitivity (MCS) in three patients. Two of three patients reported considerable improvements in MCS-related symptoms/functional impairments and reduced capsaicin-induced secondary…
[Study of the influence of uniform transverse magnetic field on the dose distribution of high energy electron beam using Monte Carlo method].
Research
RF Safe Research Library
Jan 1, 2014
This engineering/medical physics study used Monte Carlo simulations to examine how a uniform transverse magnetic field affects the dose distribution of a 30 MeV electron beam in a water phantom. The abstract reports substantial changes in depth-dose, including reduced range and a pronounced end-of-range dose peak…
[Effect of low-intensity 900 MHz frequency electromagnetic radiation on rat liver and blood serum enzyme activities].
Research
RF Safe Research Library
Jan 1, 2014
This animal study compared rat liver and blood serum enzyme activities after a total two-hour exposure to low-intensity 900 MHz electromagnetic fields delivered as either a single or fractional schedule. The authors report that creatine kinase (liver and serum) and serum alkaline phosphatase were the most sensitive…
[Modulating effect of weak combined magnetic fields on duration of mealworm beetle Tenebrio molitor metamorphosis stage].
Research
RF Safe Research Library
Jan 1, 2014
This animal study reports that combined static (42 μT) and very weak alternating (250 nT) magnetic fields can modulate the duration of metamorphosis in Tenebrio molitor pupae depending on the alternating-field frequency. A shorter pupal stage was reported at 4.4 Hz, an inhibiting effect at 32.2 Hz, and no noticeable…
[Dynamics of biomacromolecules in coherent electromagnetic radiation field].
Research
RF Safe Research Library
Jan 1, 2014
The abstract describes a mechanism by which coherent electromagnetic fields may induce oscillations and periodic shifts in biomacromolecules without requiring radiation absorption. This effect is attributed to modulation of interaction potentials among atoms/groups involved in non-valence bonds. The authors state…
[Mechanism of action of combined extremely weak magnetic field on aqueous solution of amino acid].
Research
RF Safe Research Library
Jan 1, 2014
The paper reviews and analyzes mechanisms for resonance action of extremely weak alternating magnetic fields (40 nT) combined with weak static fields (40 μT), tuned to cyclotron frequencies. It references prior reports of narrow resonant peaks in electrical conductivity of aqueous solutions and biomedical effects in…
Exposure to extremely low-frequency electromagnetic fields inhibits T-type calcium channels via AA/LTE4 signaling pathway.
Research
RF Safe Research Library
Jan 1, 2014
This in vitro study examined 50 Hz ELF-EMF effects on human T-type calcium channels expressed in HEK293 cells and on native T-type channels in primary cultured mouse cortical neurons. The authors report that ELF-EMF (0.2 mT) inhibited Cav3.1, Cav3.2, and Cav3.3 channel activity without changing Cav3.2 expression or…
Mitigation of biofouling using electromagnetic fields in tubular heat exchangers-condensers cooled by seawater.
Research
RF Safe Research Library
Jan 1, 2014
This paper describes an engineering application of electromagnetic field (EMF) treatment to mitigate biofouling in seawater-cooled tubular heat exchanger-condensers. After allowing a biofilm to stabilize, EMF treatment was applied and was reported to precipitate dissolved ions and contribute to partial…
Sensory transduction of weak electromagnetic fields: role of glutamate neurotransmission mediated by NMDA receptors.
Research
RF Safe Research Library
Jan 1, 2014
This rat EEG study reports that weak electromagnetic fields elicited evoked potentials in awake animals but not under anesthesia that included ketamine. Xylazine anesthesia did not eliminate EMF-evoked potentials, whereas ketamine (an NMDA receptor antagonist) was associated with absence of both EMF-evoked and…
The alteration of spontaneous low frequency oscillations caused by acute electromagnetic fields exposure.
Research
RF Safe Research Library
Jan 1, 2014
This double-blind, randomized, crossover study examined whether 30 minutes of near-field LTE radiofrequency exposure near the right ear alters resting-state brain activity measured by fMRI. The authors report decreased ALFF in multiple temporal and frontal/paracentral regions after real exposure compared with sham,…
A pilot neighborhood study towards establishing a benchmark for reducing electromagnetic field levels within single family residential dwellings.
Research
RF Safe Research Library
Jan 1, 2014
This pilot study reports EMF field audits in 29 single-family residential dwellings in an urban Toronto neighborhood, measuring RF, power-frequency electric and magnetic fields, and high-frequency voltage transients. The authors frame EMF as an indoor pollutant and note a lack of international consensus on exposure…