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Showing results for: EMF

Hepatocellular carcinoma therapy finds a channel on the radio

Research RF Safe Research Library Jan 1, 2019

This EBioMedicine commentary discusses tumour-specific amplitude-modulated RF EMF as an anti-cancer therapy for hepatocellular carcinoma and highlights Cav3.2 (CACNA1H) T-type calcium channels as a proposed mediator of the effect. It notes that the reported whole-body averaged SAR in a treated HCC patient was below…

Effects of single and combined low frequency electromagnetic fields and simulated microgravity on gene expression of human mesenchymal stem cells during chondrogenesis.

Research RF Safe Research Library Jan 1, 2018

This in vitro study exposed human mesenchymal stem cell pellets undergoing chondrogenesis to simulated microgravity (SMG), low-frequency EMF (5 mT, 15 Hz), or both for 3 weeks. SMG significantly changed gene expression and reduced chondrogenic marker expression (including COL2A1). LF-EMF alone showed no…

Acute exposure to high-induction electromagnetic field affects activity of model peripheral sensory neurons.

Research RF Safe Research Library 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 (

Association between media coverage and prevalence of idiopathic environmental intolerance attributed to electromagnetic field in Taiwan.

Research RF Safe Research Library Jan 1, 2018

This ecological study examined whether trends in newspaper coverage about EMF/IEI-EMF in Taiwan were associated with changes in reported IEI-EMF prevalence. The authors report that media coverage rose up to 2007 and then declined through 2012, mirroring a decline in IEI-EMF prevalence between 2007 and 2012. In…

Modulation of antioxidant enzyme gene expression by extremely low frequency electromagnetic field in post-stroke patients.

Research RF Safe Research Library Jan 1, 2018

This study evaluated whether adding extremely low frequency electromagnetic field (ELF-EMF) therapy to standard physical therapy modulates antioxidant gene expression in post-stroke patients. Forty-eight patients were split into an ELF-EMF group and a non-ELF-EMF group, with both groups receiving the same physical…

Assessment of an anti-scale low-frequency electromagnetic field device on drinking water biofilms.

Research RF Safe Research Library Jan 1, 2018

This laboratory study tested a low-intensity very low-frequency EMF anti-scale device for potential impacts on drinking water biofilms in flow-through reactors. Across soft and hard water and for nascent and mature biofilms, the EMF exposure did not significantly change biofilm cell numbers, cell integrity measures,…

Evaluation of the safety of users of active implantable medical devices (AIMD) in the working environment in terms of exposure to electromagnetic fields - Practical approach to the requirements of European Directive 2013/35/EU.

Research RF Safe Research Library Jan 1, 2018

This study assessed electromagnetic field exposure near common strong EMF sources in medical and industrial workplaces to estimate standard safety distances (SSD) for workers using active implantable medical devices (AIMD). Using measurements near 127 devices, the longest SSDs were reported near dielectric sealers…

Electromagnetic Field Analysis of Low-Magnitude High-Frequency Vibrator with Multiple Plungers.

Research RF Safe Research Library Jan 1, 2018

This conference paper describes an engineering design for a low-magnitude high-frequency vibrator with multiple plungers, aiming to minimize electromagnetic fields during vibrational stimulation experiments. The authors analyze the device’s EMF using finite element methods in COMSOL. No direct biological or health…

Synergistic effect of rice bran extract and extremely low-frequency electromagnetic fields on dermal papilla/melanocytes in melanogenesis.

Research 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…

Estimating transmitted power density from mobile phone: an epidemiological pilot study with a software modified phone.

Research RF Safe Research Library Jan 1, 2018

This pilot study evaluated weekly and annual cumulative RF-EMF exposure attributed to mobile phone use using objective phone-based measurements of transmitted and received power densities. Ten participants provided two months of daily data across usage modes (cellular calls, cellular data, and Wi-Fi). The study…

Increase in Blood Levels of Growth Factors Involved in the Neuroplasticity Process by Using an Extremely Low Frequency Electromagnetic Field in Post-stroke Patients.

Research RF Safe Research Library Jan 1, 2018

This study evaluated whether adding extremely low-frequency electromagnetic field (ELF-EMF) therapy to standard post-stroke rehabilitation affects biomarkers of neuroplasticity and functional recovery. Forty-eight patients completed the same rehabilitation program, with the study group additionally receiving 10…

Fas/FasL pathway and cytokines in keratinocytes in atopic dermatitis - Manipulation by the electromagnetic field.

Research RF Safe Research Library Jan 1, 2018

This in vitro study exposed keratinocytes from atopic dermatitis patients and healthy controls, plus two keratinocyte cell lines, to a 900 MHz electromagnetic field for 60 minutes. AD-derived keratinocytes showed higher Fas/FasL signaling markers and increased secretion of multiple cytokines versus controls. EMF…

Symptom Presentation in Idiopathic Environmental Intolerance With Attribution to Electromagnetic Fields: Evidence for a Nocebo Effect Based on Data Re-Analyzed From Two Previous Provocation Studies.

Research RF Safe Research Library Jan 1, 2018

This paper re-analyzes data from two prior double-blind provocation studies involving RF base station signals and sham exposures. Symptoms and reduced well-being were more strongly associated with participants' belief that the base station was "on" than with the exposure condition itself. The authors conclude that a…

Non-Ionizing Radiation for Cardiac Human Amniotic Mesenchymal Stromal Cell Commitment: A Physical Strategy in Regenerative Medicine.

Research RF Safe Research Library Jan 1, 2018

This in vitro study exposed human amniotic mesenchymal stromal cells to an ELF-EMF stimulus (7 Hz, 2.5 µT) and compared responses with a nitric oxide chemical treatment. The authors report reduced cell proliferation with no change in metabolic activity, vitality, or apoptosis after ELF-EMF exposure. They also report…

The legacy effects of electromagnetic fields on bone marrow mesenchymal stem cell self-renewal and multiple differentiation potential.

Research RF Safe Research Library 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…

Impact of Long-Term RF-EMF on Oxidative Stress and Neuroinflammation in Aging Brains of C57BL/6 Mice.

Research RF Safe Research Library Jan 1, 2018

This animal study exposed 14-month-old C57BL/6 mice to 1950 MHz RF-EMF (SAR 5 W/kg) for 8 months. The authors report that aging was associated with increased oxidative damage, DNA damage, apoptosis, and glial activation markers in brain tissue. Long-term RF-EMF exposure did not change these markers in aged mice and…

Effect of acute exposure to radiofrequency electromagnetic fields emitted by a mobile phone (GSM 900 MHz) on electrodermal responsiveness in healthy human.

Research RF Safe Research Library Jan 1, 2018

This study examined whether acute GSM 900 MHz mobile phone exposure affects electrodermal activity responses to auditory stimuli in 28 young volunteers. The authors report no exposure-related changes in SCR latency, amplitude, integral, or number of responses. Session differences in skin conductance/tonic…

Extremely low frequency electromagnetic field reduces oxidative stress during the rehabilitation of post-acute stroke patients.

Research RF Safe Research Library Jan 1, 2018

This study evaluated ELF-EMF magnetotherapy as an adjunct to post-acute ischemic stroke rehabilitation in 57 patients, comparing those who received ELF-EMF therapy with those who did not. The authors report that oxidative stress markers (TBARS, thiol, and carbonyl groups) decreased more in the ELF-EMF group than in…

Eotaxin‑1 and MCP‑1 serve as circulating indicators in response to power frequency electromagnetic field exposure in mice.

Research RF Safe Research Library Jan 1, 2018

This animal study exposed young Balb/c mice to constant 50 Hz power-frequency EMF at 0.1, 0.5, or 2.5 mT for 90 days. Body weight did not differ between exposed and control groups, but serum chemokine profiles showed exposure-related changes. EOTAXIN-1 and MCP-1 were significantly increased at 0.5 mT, which the…

Effects of 900-MHz electromagnetic fields exposure throughout middle/late adolescence on the kidney morphology and biochemistry of the female rat.

Research RF Safe Research Library Jan 1, 2018

This animal study examined kidney effects in female rats exposed to continuous 900 MHz EMF for 1 hour daily during postnatal days 35–59. The authors report multiple histopathological alterations in kidneys of the EMF-exposed group, while control and sham groups showed no pathology. TOS and OSI were reported to be…

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…

Effects of electromagnetic field, cisplatin and morphine on cytotoxicity and expression levels of DNA repair genes.

Research RF Safe Research Library Jan 1, 2018

This in vitro study examined how morphine, a 50-Hz 0.50 mT electromagnetic field (intermittent), and cisplatin co-treatments affected DNA repair gene expression and cytotoxicity in MCF-7 and SH-SY5Y cells. Morphine alone was reported to down-regulate examined DNA repair genes, whereas morphine plus EMF did not…

Wireless control of cellular function by activation of a novel protein responsive to electromagnetic fields.

Research RF Safe Research Library Jan 1, 2018

This study reports the identification of an electromagnetic perceptive gene (EPG) from glass catfish and its expression in mammalian cells, neuronal cultures, and rat brain. The authors report that magnetic/EMF stimulation remotely increased intracellular calcium in EPG-expressing cells and neurons. They also report…

Changes of cationic transport in AtCAX5 transformant yeast by electromagnetic field environments.

Research RF Safe Research Library Jan 1, 2018

This laboratory study examined cation transport and intracellular ion levels in a yeast strain (K667) with controlled expression of the plant cation/H+ exchanger AtCAX5 under metallic stress and ELF magnetic-field exposure. Cultures exposed to 60 Hz, 0.1 mT sinusoidal or square-wave magnetic fields showed increased…

Occupational exposure to electromagnetic fields. The situation in Greece.

Research RF Safe Research Library Jan 1, 2018

This exposure assessment study reports extensive EMF measurements and exposure mapping across multiple workplace settings in Greece in the context of implementing EU Directive 2013/35/EU. The authors report that most assessed workplaces did not exceed occupational limits, and often did not exceed general public…

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