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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,…

Defining the Work Done on an Electromagnetic Field.

Research RF Safe Research Library Jan 1, 2018

This theoretical paper addresses how to define work done on an electromagnetic field by moving charges when the standard Hamiltonian is not gauge invariant. It reports a new gauge-invariant Hamiltonian expressed in terms of physical observables, which the authors say allows defining work and formulating the second…

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…

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…

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…

Electromagnetic fields exposure assessment among workers at broadcast centers in Poland.

Research RF Safe Research Library Jan 1, 2018

This exposure assessment study estimated occupational RF electric-field exposure among workers at 4 broadcast centers in Poland using spot measurements and historical occupational hygiene data. Reported maximum and average electric-field values were below the Polish occupational exposure limit for a work shift. The…

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…

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…

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…

Effect of Microwave Wi-Fi Radiation at Frequency of 2.4 GHz on Epileptic Behavior of Rats.

Research RF Safe Research Library Jan 1, 2018

This animal study exposed rats to 2.4 GHz Wi-Fi radiation for 2 hours at 30 cm from a commercial router and assessed PTZ-induced convulsive behavior. The Wi-Fi "on" PTZ group showed significant differences in seizure event counts and summed severity scores versus comparison groups, while several timing and duration…

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…

Effect of 900-MHz Electromagnetic Field on the Cerebellum: A Histopathological Investigation.

Research RF Safe Research Library Jan 1, 2018

This animal study evaluated histopathological effects of 900-MHz RF-EMF exposure on the rat cerebellum. The exposed group showed intense caspase-3 expression in Purkinje and granular cells and histological changes consistent with apoptosis. Cerebellar layer thickness appeared reduced in exposed animals, although…

Evaluation of Cytotoxic and Genotoxic Effects of Extremely Low-frequency Electromagnetic Field on Mesenchymal Stromal Cells.

Research RF Safe Research Library Jan 1, 2018

This in vitro study evaluated whether a therapeutic extremely low-frequency EMF exposure (5 Hz, 0.4 mT) causes cytotoxic or genotoxic effects in a human mesenchymal stromal cell line. Cells were exposed for 20 minutes per day, three times per week, for two weeks and assessed for viability, proliferation, and…

Effect of Electromagnetic Waves from Mobile Phones on Spermatogenesis in the Era of 4G-LTE.

Research RF Safe Research Library Jan 1, 2018

This animal experiment assessed whether long-duration 4G-LTE mobile phone electromagnetic field exposure affects spermatogenesis in male rats. After 1 month, the highest exposure condition (3 cm distance, 18 h/day) had reduced spermatid, spermatogonia, total germ cell, and Leydig cell counts compared with sham and…

Electromagnetic field exposure (50 Hz) impairs response to noxious heat in American cockroach.

Research RF Safe Research Library Jan 1, 2018

This animal study examined whether 50 Hz electromagnetic field exposure (7 mT) affects heat-escape behavior and oxidative balance in American cockroaches. The authors report increased latency to escape from noxious heat after 24 h, 72 h, and 7 days of exposure. Biomarkers suggested oxidative stress, with elevated…

Selenium supplementation ameliorates electromagnetic field-induced oxidative stress in the HEK293 cells.

Research RF Safe Research Library Jan 1, 2018

This in vitro study examined whether selenium supplementation modifies oxidative stress and apoptosis markers in HEK293 cells exposed to 2.4 GHz EMF. The authors report that EMF exposure increased lipid peroxidation (MDA) and apoptosis-related markers while decreasing antioxidant enzyme activities and bcl-2 versus…

Expressions of some antioxidant genes in SH-SY5Y cells treated with β-lapachone, morphine and electromagnetic field.

Research RF Safe Research Library Jan 1, 2018

This in vitro study exposed SH-SY5Y cells to a 50 Hz, 0.50 mT electromagnetic field under intermittent or continuous conditions, alongside β-lapachone and/or morphine. The authors report condition-dependent changes in antioxidant gene expression, including decreased NQO1 and increased NQO2 under intermittent EMF…

Comparison of radiofrequency electromagnetic field exposure levels in different everyday microenvironments in an international context.

Research RF Safe Research Library Jan 1, 2018

This exposure assessment quantified RF-EMF levels using portable, high-sampling-rate devices across 94 outdoor microenvironments and 18 public transport vehicles in six countries. Mean outdoor exposure ranged from 0.23 to 1.85 V/m, and public transport exposure ranged from 0.32 to 0.86 V/m. Exposure varied…

Extremely low frequency variable electromagnetic fields affect cancer and noncancerous cells in vitro differently: Preliminary study.

Research RF Safe Research Library Jan 1, 2018

This in vitro study exposed cancer (U87-MG; 143B) and noncancerous (BJ; HEK) cells to extremely low frequency electromagnetic fields under varying frequencies (2–60 Hz), waveforms, and exposure durations, with sham controls. Cell viability was assessed using an MTT assay. The authors report that cancer and…

Case-Control Study on Occupational Exposure to Extremely Low-Frequency Electromagnetic Fields and the Association with Meningioma.

Research RF Safe Research Library Jan 1, 2018

This case-control analysis assessed occupational extremely low-frequency electromagnetic field (ELF-EMF) exposure and meningioma using the INTEROCC ELF-EMF job-exposure matrix. Cumulative, average, and maximum job exposure metrics were evaluated. The study reports no increased meningioma risk in any exposure…

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