Effects of Extremely Low Frequency Magnetic Field Exposure (50 Hz, 200 µT) on Cell Viability, DNA Damage and Micronucleus Formation of Human Skin Cells.
Research
RF Safe Research Library
Jan 1, 2026
This in vitro study tested whether 50 Hz extremely low frequency magnetic fields at 200 µT (rms) affect human skin cells (HaCaT). Using blinded, simultaneous exposure and sham-exposure for 2 or 24 hours, the authors assessed cell viability, DNA integrity, and micronucleus formation. The abstract reports no…
A Cohort Study on Alzheimer's Disease in Relation to Residential Magnetic Fields From Indoor Transformer Stations
Research
RF Safe Research Library
Jan 1, 2025
This cohort study evaluated Alzheimer's disease incidence in relation to residential extremely low frequency magnetic fields from indoor transformer stations, using apartment location as an exposure proxy. No significant association was observed between living next to transformer stations and Alzheimer's disease risk…
Exposure of human lymphocytes to sweeping-frequency extremely low frequency magnetic field
Research
RF Safe Research Library
Jan 1, 2025
This in vitro study exposed human umbilical cord blood lymphocytes to a sinusoidal sweeping-frequency ELF magnetic field (3–26 Hz) for 48 hours at amplitudes from 6 to 24 μT. It reports no statistically significant effects on DNA damage/repair foci or apoptosis measures overall. A non-significant trend at 8 μT showed…
Low frequency magnetic field exposure and neurodegenerative disease: systematic review of animal studies
Research
RF Safe Research Library
Jan 1, 2025
This systematic review synthesizes animal studies on low frequency magnetic field exposure in relation to neurodegenerative diseases. It reports no support for a causal induction of Alzheimer’s-type neuropathology in naive animals, while noting that evidence is too limited to draw strong conclusions for motor neuron…
The proliferation rates of HT-1080 human fibrosarcoma cells can be accelerated or inhibited by weak static and extremely low frequency magnetic fields
Research
RF Safe Research Library
Jan 1, 2025
This in vitro study exposed HT-1080 human fibrosarcoma cells for 4 days to weak extremely low frequency magnetic fields (10 μT, 12–33 Hz) superimposed on a 45 μT static field. The authors report frequency- and amplitude-dependent increases or decreases in cell growth, including sharp inversions near 16.5 Hz with…
Extremely low frequency magnetic field distracts zebrafish from a visual cognitive task
Research
RF Safe Research Library
Jan 1, 2025
This animal study trained adult zebrafish to perform a conditioned avoidance response to a visual cue. The visual cue was presented alone or together with an extremely low frequency sinusoidally changing magnetic field (0.3 Hz) at 0.015 mT or 0.06 mT. The abstract reports that the 0.06 mT magnetic field condition…
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…
Effect of exposure to extremely low frequency magnetic fields on melatonin levels in calves is seasonally dependent
Research
RF Safe Research Library
Sep 18, 2015
This animal study measured salivary melatonin in 1–2 month old calves exposed to 50 Hz extremely low frequency magnetic fields in the hundreds of nT range. The authors report a season-dependent response: melatonin decreased with exposure in winter but increased in summer. They suggest future studies should consider…
[Influence of magnetic field on the growth of pathogen microorganisms isolated from the indoor environment at the Archivo Nacional de la República de Cuba].
Research
RF Safe Research Library
Jan 1, 2015
This in vitro study exposed five microorganisms (including indoor isolates and reference strains) to an extremely low frequency magnetic field (60 Hz, 3 mT) for two hours. The authors report a statistically significant increase in colony counts in exposed samples versus controls, with stronger stimulation in nutrient…
Effects of extremely low frequency electromagnetic fields on paraoxonase serum activity and lipid peroxidation metabolites in rat
Research
RF Safe Research Library
Aug 13, 2014
This randomized animal experiment examined whether 60 Hz extremely low frequency magnetic field (ELF-MF) exposure alters oxidative stress-related biomarkers in 75 Wistar rats. The authors report increased lipid peroxidation markers after both single and 14-day exposures, alongside changes in antioxidant-related…
Sleep quality and general health status of employees exposed to extremely low frequency magnetic fields in a petrochemical complex
Research
RF Safe Research Library
Apr 29, 2014
This cross-sectional study measured ELF magnetic flux density in a petrochemical complex substation environment and assessed workers' sleep quality (PSQI) and general health (GHQ). It reports significant differences between case and control groups, with more sleep disorder and poorer health status in the case group.…
Occupational exposure to intermediate frequency and extremely low frequency magnetic fields among personnel working near electronic article surveillance systems
Research
RF Safe Research Library
Jan 1, 2014
This workplace measurement study assessed intermediate frequency (IF) and extremely low frequency (ELF) magnetic field exposure among cashiers working near electronic article surveillance (EAS) systems in Finnish stores. Typical seated exposures were reported as well below limits, but short-term exceedances of ICNIRP…
Assessment of extremely low frequency magnetic field exposure from GSM mobile phones.
Research
RF Safe Research Library
Jan 1, 2014
This paper reports extremely low frequency (ELF) magnetic flux density measurements from 47 GSM mobile phones, collected to support exposure classification in the MOBI-KIDS epidemiological study. At 25 mm, maximum resultant magnetic flux density at 217 Hz had a geometric mean of 221 nT, and inclusion of harmonics…
Effects of extremely low frequency magnetic field on oxidative balance in brain of rats.
Research
RF Safe Research Library
Jan 1, 2011
This animal study examined whether an extremely low frequency magnetic field (7 mT, 40 Hz) used in magnetotherapy alters oxidative balance in rat brain after 10 days of exposure. The 30 min/day exposure condition was associated with increased lipid peroxidation, while the 60 min/day condition was associated with…
[The impact of treatment by extremely low frequency magnetic fields on the electropotentials in an oral cavity and some chemical elements content in saliva].
Research
RF Safe Research Library
Jan 1, 2007
This study reports measurements in 25 dental patients treated with the Viofor JPS system using extremely low frequency magnetic fields. Following a series of treatments, oral cavity electropotentials decreased and saliva pH increased. Copper levels in non-stimulated saliva decreased, while other measured elements…
[Evaluation of the genotoxicity of the extremely low frequency-magnetic fields (ELF-MF) in workers exposed for professional reasons].
Research
RF Safe Research Library
Jan 1, 2007
This occupational study assessed whether extremely low frequency magnetic fields (ELF-MF) are associated with genotoxicity using cytogenetic assays in 109 workers. Comparisons across exposure strata, including a highest-exposed subgroup (TWA > 1 microT), found no significant differences in CA, SCE, or MN outcomes.…