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Showing results for: electromagnetic fields

Anthropogenic electromagnetic fields (EMF) influence the behaviour of bottom-dwelling marine species.

Research RF Safe Research Library Jan 1, 2020

This animal study examined behavioural responses of American lobster and Little skate to EMF emissions from a subsea HVDC transmission cable. It reports a marked increase in exploratory/foraging behaviour in skates and a subtler exploratory response in lobsters when exposed to cable EMF. The authors also measured…

Exploring the form- And time-dependent effect of low-frequency electromagnetic fields on maintenance of hippocampal long-term potentiation.

Research RF Safe Research Library Jan 1, 2020

This in vitro study developed an MEA-compatible magnetic stimulation device to deliver low-frequency EMFs during hippocampal LTP experiments without interrupting induction. The authors report that sine-wave LF-EMFs applied post-induction or as priming reduced fEPSP slope during LTP maintenance, with stronger effects…

Electromagnetic fields for biofouling mitigation in reclaimed water distribution systems.

Research RF Safe Research Library Jan 1, 2020

This experimental study evaluated electromagnetic field (EMF) treatment as a chemical-free approach to mitigate biofouling in reclaimed water distribution systems. The authors report that EMFs altered biofilm bacterial communities, reduced diversity, disrupted co-occurrence network structure, and inhibited biofilm…

Immune response of mollusk Onchidium struma to extremely low-frequency electromagnetic fields (ELF-EMF, 50 Hz) exposure based on immune-related enzyme activity and De novo transcriptome analysis.

Research RF Safe Research Library Jan 1, 2020

This animal study exposed the mollusk Onchidium struma to 50 Hz ELF-EMF at 100 μT or 500 μT for up to one week and assessed immune-related cell counts, enzyme activities, and transcriptomic changes. The 100 μT group showed increased total coelomocyte and spherulocyte density versus control and 500 μT, while some cell…

Extremely Low-Frequency Electromagnetic Fields Increase the Expression of Anagen-Related Molecules in Human Dermal Papilla Cells via GSK-3β/ERK/Akt Signaling Pathway.

Research RF Safe Research Library Jan 1, 2020

This in vitro study exposed human dermal papilla cells to 70 Hz extremely low-frequency electromagnetic fields at 5–100 G for four days. The abstract reports increased expression of several anagen-related molecules and increased proliferation, with 10 G described as the most potent condition. It also reports…

Effect of Extremely Low Frequency Electromagnetic Fields on Expression of T-bet and GATA-3 Genes and Serum Interferon-γ and Interleukin-4.

Research RF Safe Research Library Jan 1, 2019

This rat study examined 50 Hz ELF-EMF exposure (1–2000 μT) for 60 days and measured Th-related gene expression and cytokines in an HSA-stimulated immune model. Splenic T-bet and GATA-3 mRNA expression decreased at 1 and 100 μT. Serum IFN-γ and IL-4 were significantly decreased in the 100 μT group only before HSA…

Impact of electromagnetic fields on in vitro toxicity of silver and graphene nanoparticles.

Research RF Safe Research Library Jan 1, 2019

This in vitro study examined whether RF electromagnetic fields (900, 2400, 7500 MHz) modify the toxicity of silver and graphene nanoparticles in human fibroblast cultures. The authors report EMF-associated changes in cytotoxicity and ROS that depended on nanoparticle type, shape, and concentration, with the strongest…

The effects of the electromagnetic fields on the biochemical components, enzymatic and non-enzymatic antioxidant systems of tea L.

Research RF Safe Research Library Jan 1, 2019

This laboratory study examined how electromagnetic field (EMF) treatment affects biochemical and antioxidant-related components in tea samples, including flavonoid markers measured by HPLC. The abstract reports that 30-minute exposures generally increased several flavonoids compared with 60-minute exposures, with the…

T-Cell Differentiation to T Helper 9 Phenotype is Elevated by Extremely Low-Frequency Electromagnetic Fields Via Induction of IL-2 Signaling.

Research RF Safe Research Library Jan 1, 2019

This in vitro study examined 60 Hz extremely low-frequency EMF exposure (0.8 mT) on CD4 T cells under Th9-polarizing conditions. The authors report increased Th9-associated responses including IL-9 secretion, transcription factor changes (including early GATA3), and increased STAT5/STAT6 phosphorylation alongside…

Emerging medical applications based on non-ionizing electromagnetic fields from 0 Hz to 10 THz.

Research RF Safe Research Library Jan 1, 2019

This review discusses medical applications of non-ionizing electromagnetic fields spanning 0 Hz to the THz range, focusing mainly on therapeutic uses and mentioning few diagnostic approaches. It reports that current EMF-based methods generally have limited clinical impact and are not expected to replace conventional…

Evaluation of the Validity of a Nonlinear J-Shaped Dose-Response Relationship in Cancers Induced by Exposure to Radiofrequency Electromagnetic Fields.

Research RF Safe Research Library Jan 1, 2019

This review discusses the controversial evidence on mobile phone RF-EMF exposure and brain cancer. The authors argue that exposure magnitude may be a key factor contributing to inconsistent findings. They discuss evidence supporting a nonlinear J-shaped dose-response relationship for RF-EMF-related carcinogenesis.

Low-frequency electromagnetic fields as an alternative to sanitize water of drinking systems in poultry production?

Research RF Safe Research Library Jan 1, 2019

This study tested pulsed low-frequency electromagnetic fields (up to 10,000 Hz; max 21 mT) as a potential alternative sanitation approach for poultry drinking water systems. LF-EMF exposure was linked to variable changes in culturable bacterial counts, with direction depending on system type and some early…

[The reaction of the circulatory system to stress and electromagnetic fields emitted by mobile phones - 24-h monitoring of ECG and blood pressure].

Research RF Safe Research Library Jan 1, 2019

In a worker sample undergoing 24-hour ECG and ambulatory blood pressure monitoring, higher self-reported daily mobile phone use (>60 minutes) was associated with higher systolic blood pressure in office measurement and at night. Higher occupational stress was associated with higher systolic and diastolic blood…

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 RF Safe Research Library 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…

Long-Term Study on the Effects of Housing C57BL/6NCrl Mice in Cages Equipped With Wireless Technology Generating Extremely Low-Intensity Electromagnetic Fields.

Research RF Safe Research Library Jan 1, 2019

This animal study characterized electromagnetic fields generated by digitally ventilated mouse cages with wireless monitoring technology and assessed clinicopathological outcomes over up to 1 year. DVC produced extremely low-intensity electric fields across a wide frequency range (5 Hz to 3 GHz). The authors report…

Evaluation of the neuroprotective effects of electromagnetic fields and coenzyme Q on hippocampal injury in mouse.

Research RF Safe Research Library Jan 1, 2019

This animal study tested whether 50 Hz EMF exposure and/or CoQ10 could protect against TMT-induced hippocampal injury in mature female mice. CoQ10 and CoQ10+EMF were associated with improved spatial memory and reduced histological markers of cell death, alongside increased antiapoptotic markers. EMF alone reportedly…

The influence of electromagnetic fields generated by wireless connectivity systems on the occurrence of emotional disorders in women: A preliminary report.

Research RF Safe Research Library Jan 1, 2019

This preliminary cross-sectional study of 200 women working in healthcare and trade assessed associations between wireless-system EMF exposures and emotional disorders. The authors report that GSM 900/1800 base-station exposure contributed to depressive disorders among medical personnel, while WLAN exposure was…

Exposure to 50 Hz electromagnetic fields enhances hair follicle regrowth in C57BL/6 mice.

Research RF Safe Research Library Jan 1, 2019

This animal study in C57BL/6 mice reports that exposure to 50 Hz EMF affected hair follicle regrowth. It also reports increased proliferation of K15 stem cells in hair follicle regions. The authors interpret the findings as potentially beneficial for healing hair loss, but key methodological details are not provided…

Efficacy of pulsed electromagnetic fields and electromagnetic fields tuned to the ion cyclotron resonance frequency of Ca on chondrogenic differentiation.

Research RF Safe Research Library Jan 1, 2019

This in vitro study compared commonly used pulsed electromagnetic field (PEMF) exposures with electromagnetic fields tuned to satisfy the ion cyclotron resonance (ICR) condition for calcium. After 3 weeks, the calcium ICR condition was associated with increased glycosaminoglycans and type II collagen synthesis and…

Geobacter sulfurreducens-inoculated bioelectrochemical system reveals the potential of metabolic current in defining the effect of extremely low-frequency electromagnetic field on living cells.

Research RF Safe Research Library Jan 1, 2019

This laboratory study exposed a Geobacter sulfurreducens-inoculated bioelectrochemical system to 0–128 Gauss extremely low-frequency electromagnetic fields. The authors report increased and oscillatory metabolic current under ELF-EMF exposure, with dose-dependent effects and a linear relationship between oscillation…

Decreased dopamine in striatum and difficult locomotor recovery from MPTP insult after exposure to radiofrequency electromagnetic fields.

Research RF Safe Research Library Jan 1, 2019

This animal study reports that chronic RF-EMF exposure (835 MHz, SAR 4.0 W/kg, 5 h/day for 12 weeks) affected striatal neuronal markers in C57BL/6 mice. The authors observed reductions in synaptic vesicle-related measures and dopaminergic markers, including dopamine concentration and tyrosine hydroxylase expression.…

Early exposure to radiofrequency electromagnetic fields at 1850 MHz affects auditory circuits in early postnatal mice.

Research RF Safe Research Library Jan 1, 2019

This animal study examined early postnatal mice after exposure to 1850 MHz RF-EMF and measured synaptic activity in brainstem auditory circuitry. The abstract reports increased spontaneous postsynaptic current frequency and amplitude in MNTB principal cells, with accompanying presynaptic changes in the calyx of Held…

Effect of short exposure to radiofrequency electromagnetic fields on saliva biomarkers: a study on the electrohypersensitive individuals.

Research RF Safe Research Library Jan 1, 2019

This double-blind provocation study examined whether short RF-EMF exposure alters salivary biomarkers in electrohypersensitive (EHS) individuals. Ten participants underwent sham and real exposure sessions with consecutive GSM 900, GSM 1800, DECT, and Wi‑Fi signals for 5 minutes each. The study reports no significant…

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…

Evaluation of effect of high frequency electromagnetic field on growth and antibiotic sensitivity of bacteria.

Research RF Safe Research Library Jan 1, 2018

This in vitro study evaluated whether high-frequency electromagnetic fields at 900 and 1800 MHz affect bacterial DNA, growth, and antibiotic susceptibility after 2 hours of exposure. The authors report no detectable DNA differences between exposed and non-exposed bacteria for the species described. Growth and…

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