Numerical analysis of the thermal effects on adult with brain pacemaker implantation exposed to WIFI antennas
Research
RF Safe Research Library
Jan 1, 2025
This numerical study modeled RF exposure from WiFi/5G-type antennas near a 3D brain model with implanted brain pacemakers relevant to Parkinson’s disease. SAR and temperature increases were reported to remain below ICNIRP 2020 limits across modeled conditions, with maxima at a 90° antenna-to-brain angle. Despite…
Assessment of RF EMF Exposure to Car Driver from Monopole Array Antennas in V2V Communications Considering Thermal Characteristics
Research
RF Safe Research Library
Jan 1, 2025
This modeling study assessed RF-EMF exposure from a 5.9 GHz V2V monopole array antenna integrated into a car roof shark-fin antenna. Using COMSOL simulations with an adult male body model inside a vehicle, the authors estimated localized and whole-body SAR and associated core temperature rise over a 30 min averaging…
Magnetoreception and the ruling hypothesis
Research
RF Safe Research Library
Jan 1, 2025
This article is a commentary on how emotions and community dynamics can bias scientific reasoning when a favored hypothesis becomes a "ruling hypothesis." Using animal magnetoreception as an example, it argues that radical-pair/cryptochrome-centered frameworks may sometimes be treated as dominant, potentially leading…
Histomorphometry and Sperm Quality in Male Rats Exposed to 2.45 GHz Wi-Fi
Research
RF Safe Research Library
Jan 1, 2025
This animal study exposed adult male rats to 2.45 GHz Wi‑Fi from an active router for 4 or 24 hours daily over eight weeks and assessed reproductive organ histology and sperm parameters. The authors report histological changes in testes and epididymis, multifocal atypical hyperplasia in seminal vesicles, reduced…
The Systematic Review on RF-EMF Exposure and Cancer by Karipidis et al. (2024) has Serious Flaws that Undermine the Validity of the Study's Conclusions
Research
RF Safe Research Library
Jan 1, 2024
This letter critiques the WHO-sponsored systematic review by Karipidis et al. (2024) on RF-EMF exposure and cancer risk. The authors argue the review has serious methodological and interpretative flaws, including issues with study selection and data analysis. They contend that the review’s conclusion of "no clear…
Assessment of radio frequency fields in the 2.45 GHz band produced by smart home devices.
Research
RF Safe Research Library
Jan 1, 2024
This study measured RF electromagnetic fields from consumer smart home (IoT) devices operating at 2.4 GHz via Wi‑Fi or Bluetooth in a laboratory setup simulating high user activity. Reported field levels were typically much less than 1% of human exposure safety standards, with duty cycles below 1% leading to even…
High-specificity protection against radiation-induced bone loss by a pulsed electromagnetic field.
Research
RF Safe Research Library
Jan 1, 2022
This study reports a noninvasive pulsed-burst electromagnetic field (PEMF) approach intended to protect against radiotherapy-induced bone loss. A 15 Hz, 2 mT PEMF waveform is described as producing distinctive calcium oscillations in osteoblasts and inhibiting radiation-related bone loss while not affecting other…
Non-thermal membrane effects of electromagnetic fields and therapeutic applications in oncology.
Research
RF Safe Research Library
Jan 1, 2021
This review examines temperature-independent (non-thermal) effects of RF and microwave electromagnetic fields, emphasizing antiproliferative effects relevant to oncology. It summarizes preclinical and clinical literature on conventional RF hyperthermia and amplitude-modulated RF hyperthermia and argues that evidence…
Causal perception is central in electromagnetic hypersensitivity - a commentary on "Electromagnetic hypersensitivity: a critical review of explanatory hypotheses''.
Research
RF Safe Research Library
Jan 1, 2020
This is a commentary on Dieudonné (2020) addressing explanatory hypotheses for electromagnetic hypersensitivity (EHS). The authors state that the electromagnetic hypothesis (EMF exposure as the cause of EHS) appears scientifically largely unfounded and that psychological-process accounts are more plausible. They…
Evaluation of MRI RF electromagnetic field induced heating near leads of cochlear implants.
Research
RF Safe Research Library
Jan 1, 2018
This simulation study evaluated RF-induced heating near cochlear implant leads during 1.5 T MRI using a transfer function method. Across studied configurations, the average temperature rise was 0.79 °C and the maximum was 2.80 °C at a whole-body average SAR of 2 W/kg. The authors report that lead trajectory and MRI…
Effects of 1950 MHz radiofrequency electromagnetic fields on Aβ processing in human neuroblastoma and mouse hippocampal neuronal cells.
Research
RF Safe Research Library
Jan 1, 2018
This in vitro study exposed HT22 mouse hippocampal neuronal cells and SH-SY5Y human neuroblastoma cells to 1950 MHz RF-EMF at SAR 6 W/kg for 2 hours per day over 3 days. RF-EMF exposure reduced mRNA levels of several Aβ-processing genes in HT22 cells, but did not change APP mRNA in SH-SY5Y cells. Protein levels of…
Microwave radiation leading to shrinkage of dendritic spines in hippocampal neurons mediated by SNK-SPAR pathway.
Research
RF Safe Research Library
Jan 1, 2018
This animal study exposed Wistar rats to microwave radiation (30 mW/cm for 6 minutes, three times per week for six weeks) and assessed cognition, hippocampal dendritic spines, ultrastructure, and SNK-SPAR pathway molecules. The authors report impaired spatial learning and memory, dendritic spine loss/shrinkage, and…
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,…
Effects of short and long term electromagnetic fields exposure on the human hippocampus.
Research
RF Safe Research Library
Jan 1, 2017
This study compared 60 healthy female medical students grouped by self-reported daily mobile phone use by the head (90 min). MRI/MRS analyses found no significant differences in hippocampal volume or in choline, creatine, and N-acetyl aspartate between groups. However, the higher-use group showed poorer performance…
Comments on "Association of excessive mobile phone use during pregnancy with birth weight: an adjunct study in Kumamoto of Japan Environment and Children's Study".
Research
RF Safe Research Library
Jan 1, 2017
This publication is a comment on a study reporting an association between excessive mobile phone use during pregnancy and birth weight. The authors argue the referenced study has shortcomings and cannot address whether ordinary mobile phone use during pregnancy leads to low birth weight. They note their prior…
A Route to Chaotic Behavior of Single Neuron Exposed to External Electromagnetic Radiation.
Research
RF Safe Research Library
Jan 1, 2017
This computational study investigates nonlinear membrane-potential dynamics in a Fitzhugh-Nagumo single-neuron model that includes an external electromagnetic radiation term. The authors report that increasing the frequency of an external transmembrane current leads to mode selection among periodic, quasi-periodic,…
Radio frequency induced heating of an insulated wire during magnetic resonance imaging.
Research
RF Safe Research Library
Jan 1, 2016
This engineering study investigated RF-induced power deposition near straight insulated leads in an MRI context under different incident electric field profiles. Using 3-D electromagnetic simulations, the authors compared simulation-derived power deposition with implant model predictions. For the setups examined,…
Variation of radio frequency induced power deposition due to second surrounding tissue.
Research
RF Safe Research Library
Jan 1, 2016
This engineering study investigated RF-induced power deposition from insulated leads of different lengths positioned near two surrounding tissues. The authors report that both the electromagnetic lead models and the resulting power deposition depended strongly on the electrical properties of both tissues. Using a…
Environmental Radiofrequency Electromagnetic Fields Exposure at Home, Mobile and Cordless Phone Use, and Sleep Problems in 7-Year-Old Children
Research
RF Safe Research Library
Oct 28, 2015
This cohort study of 2,361 seven-year-old children assessed modeled residential/school RF-EMF from base stations, reported indoor sources, and children’s mobile/cordless phone use in relation to parent-reported sleep quality. Most sleep subscales were not associated with base-station RF-EMF, though sleep duration…
Topological superconducting state of lead nanowires in an external magnetic field.
Research
RF Safe Research Library
Jan 1, 2012
This paper proposes that Pb nanowires created by repeated indentation of a Pb tip on a Pb substrate may exhibit topological superconducting properties in an external magnetic field. The authors analyzed conductance curves from different nanowires and report that, in a few cases, the critical current shows a peculiar…
Isolated Atrial Lead Conduction Delay following Right Atrial Radiofrequency Maze Procedure.
Research
RF Safe Research Library
Jan 1, 2011
This case report describes a 60-year-old man with a dual-chamber implantable cardioverter defibrillator who underwent septal myectomy and a right atrial radiofrequency maze procedure. Following surgery, a persistent delay in atrial sensing was observed. The authors attribute this most likely to iatrogenic right…
Magnetodeformation effects and the swelling of ferrogels in a uniform magnetic field.
Research
RF Safe Research Library
Jan 1, 2010
This laboratory/materials study examined deformation and swelling of magnetic field sensitive polymer gels (ferrogels) in a static, uniform magnetic field. The authors report that gels with randomly distributed magnetic particles exhibited weak magnetodeformation, whereas gels with aligned particles showed no…
AC electric field-induced alignment and long-range assembly of multi-wall carbon nanotubes inside aqueous media.
Research
RF Safe Research Library
Jan 1, 2007
This engineering study examines multi-wall carbon nanotubes suspended in water exposed to AC electric fields generated by 3D electrodes. It reports field-induced polarization leading to nanotube alignment and long-range, electrically conducting assemblies spanning the electrode gap, with assembly length controlled by…