Dose-dependent impact of extremely low-frequency electromagnetic field (ELF-EMF) on the neuroplasticity in the hippocampus of adult rats.
Research
RF Safe Research Library
Jan 1, 2026
This animal study examined whether 50 Hz ELF-EMF exposure at two intensities (1 mT vs 7 mT) alters hippocampal gene transcripts related to neuroplasticity and cell survival in adult rats across repeated exposure cycles. The authors report intensity- and exposure-number-dependent modulation of mRNA expression, with 1…
The extremely low-frequency electromagnetic field (50 Hz) can establish a new "set-point" for the activity of the locus coeruleus-noradrenergic (LC-NA) system in rat.
Research
RF Safe Research Library
Jan 1, 2024
This animal study exposed rats to 50 Hz ELF-EMF at 1 mT or 7 mT for 1 hour/day over 7 days, repeated across three cycles, and assessed catecholamines, MHPG, β2-adrenergic receptor expression, and behavior. The authors report that ELF-EMF influences stress-response mechanisms involving the locus…
Bidirectional Effect of Repeated Exposure to Extremely Low-Frequency Electromagnetic Field (50 Hz) of 1 and 7 mT on Oxidative/Antioxidative Status in Rat's Brain: The Prediction for the Vulnerability to Diseases.
Research
RF Safe Research Library
Jan 1, 2022
This rat study examined repeated 50 Hz ELF-EMF exposure (1 or 7 mT) and measured oxidative stress and antioxidant defense markers in the prefrontal cortex, including responses to a subsequent open-field stressor. The authors report intensity- and repetition-dependent effects: 1 mT produced weak changes and was…
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…
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,…
Benign Effect of Extremely Low-Frequency Electromagnetic Field on Brain Plasticity Assessed by Nitric Oxide Metabolism during Poststroke Rehabilitation.
Research
RF Safe Research Library
Jan 1, 2017
This study assessed whether adding extremely low-frequency electromagnetic field (ELF-EMF) exposure to a 4-week poststroke rehabilitation program affects nitric oxide (NO)-related biomarkers and patient status. Forty-eight poststroke patients were assigned to ELF-EMF versus non-ELF-EMF rehabilitation, with the…
Extremely low frequency electromagnetic field (ELF-EMF) reduces oxidative stress and improves functional and psychological status in ischemic stroke patients.
Research
RF Safe Research Library
Jan 1, 2017
This clinical study evaluated whether adding ELF-EMF exposure to a 4-week rehabilitation program affects antioxidant and clinical status in ischemic stroke patients. Fifty-seven patients were assigned to an ELF-EMF group or a non-ELF-EMF group, with the exposed group receiving 40 Hz, 7 mT for 15 minutes per day over…
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 influence of low-frequency magnetic field on plasma antioxidant capacity and heart rate.
Research
RF Safe Research Library
Jan 1, 2009
This animal study exposed Sprague-Dawley rats to a 40 Hz, 7 mT time-variable magnetic field and measured ECG heart rate and plasma antioxidant capacity before and after exposure, including after 14 days. The authors report a significant decrease in heart rate after 14 days. Antioxidant defence findings were mixed,…
Magnetic field exposure in a nondestructive testing operation.
Research
RF Safe Research Library
Jan 1, 2007
This exposure assessment measured peak magnetic fields during magnetic particle inspection, a nondestructive testing method that uses electromagnetism. Ninety-five peak measurements taken while inspecting 8 turbine engine shafts ranged from