The combinatory effect of sinusoidal electromagnetic field and VEGF promotes osteogenesis and angiogenesis of mesenchymal stem cell-laden PCL/HA implants in a rat subcritical cranial defect.
Research
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Jan 1, 2019
This animal and in vitro study evaluated sinusoidal electromagnetic field (SEMF) exposure combined with VEGF in rat mesenchymal stem cells and in a rat cranial defect model using rBMSC-laden PCL/HA scaffolds. The authors report increased osteogenic and endothelial marker expression with SEMF and VEGF, with a slight…
The specific absorption rate in different brain regions of rats exposed to electromagnetic plane waves.
Research
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Jan 1, 2019
This study develops a numerical voxel rat model with 10 segmented brain regions to evaluate region-specific dosimetry under plane-wave EMF exposure. It reports that brain-region averaged SAR varies with frequency, incidence direction, and E-polarization direction. The authors also report potentially large deviations…
Electromagnetic Energy Absorption in a Head Approaching a Radiofrequency Identification (RFID) Reader Operating at 13.56 MHz in Users of Hearing Implants Versus Non-Users.
Research
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Jan 1, 2019
This modeling study estimated SAR in a head approaching a 13.56 MHz RFID HF reader, comparing hearing-implant users with non-users. The abstract reports that BAHA implants can increase localized SAR (10 g) versus non-users, up to 2.1× in a worst-case scenario, and that this increase is statistically higher than for…
Residential exposure to ultra high frequency electromagnetic fields emitted by Global System for Mobile (GSM) antennas and amyotrophic lateral sclerosis incidence: A geo-epidemiological population-based study.
Research
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Jan 1, 2019
This geo-epidemiological population-based study in Limousin (France) assessed modeled residential UHF-EMF exposure from GSM antennas and ALS incidence from 2000–2012. The authors report a statistically significant exposure–response trend and higher ALS risk in the highest exposure category versus non-exposure in both…
Ca2+ and CACNA1H mediate targeted suppression of breast cancer brain metastasis by AM RF EMF
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Jan 1, 2019
This study describes a therapeutic use of athermal, amplitude-modulated RF EMF (27.12 MHz) at breast cancer-specific frequencies to target breast cancer brain metastases. The abstract reports tumor growth suppression in animal models and durable regression in one patient with triple negative breast cancer brain…
Acute exposure to high-induction electromagnetic field affects activity of model peripheral sensory neurons.
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Jan 1, 2018
This in vitro study examined acute low-frequency electromagnetic field (LF-EMF) exposure using high-induction magnetic stimulation in F11 cells, a dorsal root ganglia neuron-derived model of peripheral sensory neurons. Short-term exposure (
Synergistic effect of rice bran extract and extremely low-frequency electromagnetic fields on dermal papilla/melanocytes in melanogenesis.
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RF Safe Research Library
Jan 1, 2018
This in vitro study used a 3D dermal papilla-like tissue model containing dermal papilla cells and melanocytes to assess melanogenesis after rice bran extract (RBE), extremely low-frequency EMF, or their combination. The combined RBE/EMF condition showed higher tyrosinase activity, increased melanogenesis-related…
The legacy effects of electromagnetic fields on bone marrow mesenchymal stem cell self-renewal and multiple differentiation potential.
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Jan 1, 2018
This animal study examined whether electromagnetic field (EMF) pretreatment has lasting (“legacy”) effects on rat bone marrow mesenchymal stem cells (BMSCs) and whether EMF-pretreated BMSC sheets improve fracture nonunion healing in rats. The authors report increased BMSC proliferation and enhanced…
AN EMPIRICAL STUDY: THE IMPACT OF THE NUMBER OF USERS ON ELECTRIC FIELD STRENGTH OF WIRELESS COMMUNICATIONS.
Research
RF Safe Research Library
Jan 1, 2018
This study used real-time measurements on a university campus to examine how the number of users relates to RF electric field strength from cellular systems and a Wi-Fi access point. The authors report empirical models that estimate E from user counts, with stated accuracies of 86% for cellular-related measurements…
Modeled and perceived RF-EMF, noise and air pollution and symptoms in a population cohort. Is perception key in predicting symptoms?
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Jan 1, 2018
This cohort study compared modeled residential RF-EMF, noise, and air pollution exposures with participants’ perceived exposure levels and self-reported symptoms. Correlations between modeled and perceived exposure were moderate for air pollution and noise but low for RF-EMF. Perceived exposure was consistently…
Spatial electromagnetic field intensity modelling of global system for mobile communication base stations in the Istanbul Technical University Ayazaga campus area.
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Jan 1, 2018
This study measured RF electric field intensities at 900 and 1800 MHz at 29 points on the Istanbul Technical University campus and produced spatial EMF intensity heat maps using GIS interpolation. Three interpolation methods were compared and the mapped measurements were evaluated against ICNIRP reference limits. All…
Important parameters for optimized metal nanoparticles-aided electromagnetic field (EMF) effect on cancer.
Research
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Jan 1, 2018
This paper presents a theoretical model analyzing parameters that may optimize metal nanoparticle-aided EMF photothermal therapy effects on cancer cells. The model suggests efficacy depends on both electric field enhancement and thermal (hyperthermia) contributions, influenced by nanoparticle absorption properties…
Extremely low-frequency electromagnetic fields accelerates wound healing modulating MMP-9 and inflammatory cytokines.
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Jan 1, 2018
This in vitro study used a scratch wound model in human immortalized keratinocytes (HaCaT) to examine effects of extremely low-frequency electromagnetic fields (ELF-EMF). ELF-EMF exposure was reported to accelerate wound closure compared with sham and to increase inflammatory cytokine expression/release. The authors…
Autophagy mediates the degradation of synaptic vesicles: A potential mechanism of synaptic plasticity injury induced by microwave exposure in rats.
Research
RF Safe Research Library
Jan 1, 2018
This animal study used an in vivo microwave exposure model (30 mW/cm) and reports reversible neuronal injuries in rats. The authors observed cognitive impairment and synaptic plasticity injury in hippocampal neurons following exposure. Autophagy was activated, and autophagosomes showed increased association with…
Weak electric fields detectability in a noisy neural network.
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Jan 1, 2017
This modeling study examines how a noisy spiking neural network detects a weak applied electric field using an Izhikevich neuron framework with excitatory/inhibitory neurons and conduction delays. The authors report stochastic resonance driven by white noise that enhances detectability, and that this effect largely…
The effects of electromagnetic fields on B16-BL6 cells are dependent on their spatial and temporal character.
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Jan 1, 2017
This in vitro study tested several complex low-intensity, low-frequency EMF patterns on proliferation of B16-BL6 mouse melanoma cells. A specific pattern (Thomas-EMF) with a 3 ms point duration reportedly inhibited proliferation and increased calcium uptake, while other timing settings did not. The authors conclude…
Effects of electromagnetic fields on bone loss in hyperthyroidism rat model.
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Jan 1, 2017
This animal study evaluated whether extremely low frequency EMF exposure affects bone loss in a levothyroxine-induced hyperthyroidism rat model. Rats exposed to 15 Hz/1 mT EMF plus levothyroxine showed improved bone mineral density, mechanical measures, and partially restored trabecular bone architecture compared…
Influence of the on-line ELF-EMF stimulation on the electrophysiological properties of the rat hippocampal CA1 neurons in vitro.
Research
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Jan 1, 2017
This paper describes an on-line ELF magnetic stimulation setup and evaluates coil field distribution using COMSOL simulations alongside physical measurements. The authors report that modeled and measured magnetic flux densities were similar, and that stimulation induced sodium channel currents and fEPSPs in rat…
Antenna Design and SAR Analysis on Human Head Phantom Simulation for Future Clinical Applications.
Research
RF Safe Research Library
Jan 1, 2017
This study developed a mathematical and computer simulation model to analyze RF-EMF exposure in a human head phantom, motivated by potential therapeutic applications. The modeled exposure used a Yagi-Uda antenna at 64 MHz with SAR 0.6 W/kg and compared field distribution using one versus four antennas. COMSOL Bioheat…
Precision knockdown of EGFR gene expression using radio frequency electromagnetic energy.
Research
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Jan 1, 2017
This study reports a technology that records a specific radiofrequency electromagnetic energy signal associated with EGFR siRNA and applies it to cells. The abstract describes reductions in EGFR mRNA and protein expression versus controls, with specificity assessed using RNA microarray and antibody dot blot array. It…
Effects of four kinds of electromagnetic fields (EMF) with different frequency spectrum bands on ovariectomized osteoporosis in mice.
Research
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Jan 1, 2017
This animal study tested four frequency-band EMF exposures (1–50,000 Hz variants) in an ovariectomized mouse model of osteoporosis over 8 weeks (3 h/day). Low- and band-pass exposures increased bone formation markers and osteogenesis-related gene expression, while high-pass exposure decreased both formation and…
Alterations of Immune Parameters on Trichoplusia ni (Lepidoptera: Noctuidae) Larvae Exposed to Extremely Low-Frequency Electromagnetic Fields.
Research
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Jan 1, 2017
This animal study exposed Trichoplusia ni larvae to 60 Hz, 2.0 mT ELF-EMF for 24, 48, or 72 hours and assessed immune parameters and fertility. The abstract reports no effect on life cycle and fertility after 24 hours, but several immune-related measures changed after 48–72 hours, including reduced hemolymph protein…
Quantum mechanical model for the anticarcinogenic effect of extremely-low-frequency electromagnetic fields on early chemical hepatocarcinogenesis.
Research
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Jan 1, 2017
This study develops a quantum-mechanical radical pair mechanism model to examine how an extremely-low-frequency electromagnetic field (ELF-EMF) might influence early chemical hepatocarcinogenesis in rats. The model evaluates singlet-state recombination and quantum yield under a low magnetic field effect, proposing…
The effects of human height and mass on the calculated induced electric fields at 50 Hz for comparison with the EMF Directive 2013/35/EU.
Research
RF Safe Research Library
Jan 1, 2017
This computational study examined how human height and mass influence calculated induced electric fields in the body from external 50 Hz electric and magnetic fields. Anatomically realistic human models derived from the MAXWEL phantom were varied across a range of heights and masses and used to simulate induced…
Efficacy of 50 Hz electromagnetic fields on human epidermal stem cell transplantation seeded in collagen sponge scaffolds for wound healing in a murine model.
Research
RF Safe Research Library
Jan 1, 2017
This animal study evaluated whether 50 Hz EMF exposure enhances wound healing after transplantation of human epidermal stem cells (ESC) seeded in collagen sponge scaffolds. Thirty-six nude mice with full-thickness wounds were assigned to control, ESC-only, or ESC+EMF groups (50 Hz, 5 mT, 60 min/day for 20 days). The…