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Showing results for: magnetic field exposure

Necroptosis triggered by ROS accumulation and Ca overload, partly explains the inflammatory responses and anti-cancer effects associated with 1Hz, 100 mT ELF-MF in vivo.

Research RF Safe Research Library Jan 1, 2021

This animal and in vitro study examined ELF magnetic field exposure in a mouse breast tumor model and a breast cancer cell line. The authors report tumor growth suppression and reduced expression of Ki-67, CD31, VEGFR2, and MMP-9 after exposure. They also report increased IFN-γ and TNF-α and increased…

Activation of matrix metalloproteinases and FoxO3a in HaCaT keratinocytes by radiofrequency electromagnetic field exposure.

Research RF Safe Research Library Jan 1, 2021

This in vitro study exposed HaCaT human keratinocytes to 1760 MHz RF-EMF (SAR 4.0 W/kg; 2 h/day for 4 days). The authors report increased intracellular ROS and increased expression/activity of several matrix metalloproteinases, along with increased phosphorylation of FoxO3a and ERK1/2. Cell growth/viability and…

Treating honey bees with an extremely low frequency electromagnetic field and pesticides: Impact on the rate of disappearance of azoxystrobin and λ-cyhalothrin and the structure of some functional groups of the probabilistic molecules.

Research RF Safe Research Library Jan 1, 2020

This laboratory study examined whether 50 Hz (ELF) electromagnetic field exposure changes pesticide disappearance rates and molecular functional group signatures in honey bees. EMF altered the disappearance rates of azoxystrobin and λ-cyhalothrin within 6 hours, with different patterns depending on whether pesticides…

EXTREMELY LOW FREQUENCY ELECTROMAGNETIC FIELD EXPOSURE MEASUREMENT IN THE VICINITY OF WIND TURBINES.

Research RF Safe Research Library Jan 1, 2020

This exposure assessment measured extremely low frequency magnetic fields near 22 wind turbines in two wind farms in Greece using a Narda NBM-550 with an EHP-50F probe and processing aligned with the 2013/35/EU Directive. Mean magnetic field intensity at the turbine base was reported as low (0.146 µT) and declined to…

Effects of extremely low-frequency electromagnetic field exposure on the skeletal muscle functions in rats.

Research RF Safe Research Library Jan 1, 2020

This rat study examined chronic extremely low-frequency electromagnetic field (ELF-EMF) exposure and diaphragm muscle function and structure. Rats were exposed to 50 Hz, 1.5 mT for 4 hours daily for up to 7 months and assessed with electrophysiological, biochemical, and electron-microscopy measures. The authors…

Lipidomic alteration and stress-defense mechanism of soil nematode Caenorhabditis elegans in response to extremely low-frequency electromagnetic field exposure.

Research RF Safe Research Library Jan 1, 2019

This animal (nematode) study exposed Caenorhabditis elegans to 50 Hz, 3 mT extremely low-frequency EMF and assessed multi-omics responses. The authors report significant lipidomic, proteomic, and transcriptomic alterations, including increased triacylglycerols. Pathway analyses suggest disrupted lipid metabolism,…

Effects of 5-HT and 5-HT Receptor Agonists on Electromagnetic Field-Induced Analgesia in Rats.

Research RF Safe Research Library Jan 1, 2019

This animal study examined whether serotonergic signaling modifies analgesia associated with repeated ELF electromagnetic field exposure. Sixty-six male Wistar rats were exposed to 50 Hz, 5 mT for 2 hours/day over 15 days and then received 5-HT agonists or antagonists before analgesia testing. Agonists increased,…

Altered morphology and biochemistry of the female rat liver following 900 megahertz electromagnetic field exposure during mid to late adolescence.

Research RF Safe Research Library Jan 1, 2019

This animal study examined whether 900 MHz EMF exposure during mid to late adolescence affects the liver in female rats. Compared with control and sham groups, the exposed group showed occasional liver histopathological irregularities. The exposed group also had significantly decreased 8-OHdG and SOD levels, and the…

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…

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…

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…

Does acute radio-frequency electromagnetic field exposure affect visual event-related potentials in healthy adults?

Research RF Safe Research Library Jan 1, 2018

This double-blind, randomized, counterbalanced study tested whether acute GSM-like 920 MHz RF-EMF exposure affects visual event-related potentials in 36 healthy adults. Compared with sham, exposure was associated with reduced P1 amplitude and increased anterior N1 latency, with no effects on other ERP measures. The…

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…

Influence of Radiofrequency Electromagnetic Fields on the Fertility System: Protocol for a Systematic Review and Meta-Analysis.

Research RF Safe Research Library Jan 1, 2018

This article presents a protocol for a systematic review and meta-analysis on radiofrequency electromagnetic field exposure from electronic devices and effects on the fertility system. The authors cite growing public concern and conflicting findings in prior studies as motivation. The protocol plans broad database…

Effect of extremely low frequency electromagnetic field on brain histopathology of Caspian Sea Cyprinus carpio.

Research RF Safe Research Library Jan 1, 2017

This animal study evaluated 50 Hz extremely low frequency electromagnetic field exposure and brain histopathology in Cyprinus carpio. Fish were sham-exposed or exposed to magnetic field intensities from 0.1 to 7 mT for 0.5 or 1 hour. The authors report severe brain histopathological changes at intensities ≥3 mT,…

Mitigation measures of electromagnetic field exposure in the vicinity of high frequency welders.

Research RF Safe Research Library Jan 1, 2017

This paper describes in situ EMF measurements around industrial high frequency (dielectric) welders, framed by Polish labor safety regulations aligned with EU Directive 2013/35/EU. It reports real-world scenarios where excessive EMF exposure can occur near welders, often linked to errors or omissions during…

Effects of extremely low frequency electromagnetic fields on morphine analgesia and tolerance in rats.

Research RF Safe Research Library Jan 1, 2017

This animal study examined whether extremely low frequency electromagnetic field exposure alters morphine analgesia and tolerance in rats. Rats exposed to a 50 Hz magnetic field (reported as 5 mT) showed higher morphine analgesic effects than rats given morphine without field exposure. In morphine-tolerant rats,…

Rat adipose-derived mesenchymal stem cells aging reduction by zinc sulfate under extremely low frequency electromagnetic field exposure is associated with increased telomerase reverse transcriptase gene expression.

Research RF Safe Research Library Jan 1, 2017

This in vitro study exposed rat adipose-derived mesenchymal stem cells to 50 Hz, 20 mT ELF-EMF for 30 minutes per day over 21 days, with and without zinc sulfate. The authors report ELF-EMF exposure decreased TERT gene expression and increased senescent cells. Zinc sulfate was reported to increase TERT expression and…

Theta-gamma coupling in hippocampus during working memory deficits induced by low frequency electromagnetic field exposure.

Research RF Safe Research Library Jan 1, 2017

This mouse study examined whether 50 Hz, 1 mT electromagnetic field exposure affects working memory and hippocampal electrophysiology. The authors report reduced Y-maze working memory performance after 3 days of EMF exposure, accompanied by decreased hippocampal firing rates. They also report reduced theta and…

Gold Nanocluster-Mediated Cellular Death under Electromagnetic Radiation.

Research RF Safe Research Library Jan 1, 2017

This study investigated 2 nm protein-stabilized gold nanoclusters in six mammalian cell types under 1 GHz electromagnetic field exposure. The authors report low intrinsic toxicity of the nanoclusters, but a significant decrease in cell viability when nanocluster-incubated cells were exposed to the 1 GHz field,…

Effect of zero magnetic field on cardiovascular system and microcirculation.

Research RF Safe Research Library Jan 1, 2016

This study examined cardiovascular and microcirculation responses in healthy adults under zero magnetic field conditions generated by an "ARFA" magnetic field modeling facility. Participants were tested twice, once in zero magnetic field and once in a sham condition, with measures including capillary blood flow,…

Wireless Fidelity Electromagnetic Field Exposure Monitoring With Wearable Body Sensor Networks.

Research RF Safe Research Library Jan 1, 2016

This engineering paper presents an experimentally validated wearable personal exposimeter system for RF-EMF exposure monitoring, motivated by increasing wireless applications. It uses a distributed measurement approach and integrates inertial sensors to capture activity and posture during measurements. The system is…

Low-Frequency Electromagnetic Field Exposure Enhances Extracellular Trap Formation by Human Neutrophils through the NADPH Pathway

Research RF Safe Research Library Jan 1, 2015

This in vitro/ex vivo study examined whether low-frequency electromagnetic field exposure affects human neutrophil extracellular trap (NET) formation. The authors report that LF EMF exposure enhanced NET formation and that this effect depended on the NADPH oxidase pathway and reactive oxygen species production. They…

Electromagnetic field exposure assessment in Europe radiofrequency fields (10 MHz-6 GHz).

Research RF Safe Research Library Jan 1, 2015

This paper provides an overview of published RF EMF exposure measurements in Europe and characterizes population exposure patterns. Across included spot and long-term measurement studies, reported mean electric field strengths were generally low (mostly

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