Assessing exposure from different vehicular antennas in military applications: a computational study
Research
RF Safe Research Library
Jan 1, 2025
This computational study modeled electromagnetic exposure for military personnel near vehicular communication antennas across HF, VHF, and UHF scenarios. All simulated configurations reportedly met ICNIRP Basic Restrictions, though some exceeded ICNIRP Reference Levels in certain positioning and frequency…
Instruments and Measurement Techniques to Assess Extremely Low-Frequency Electromagnetic Fields
Research
RF Safe Research Library
Jan 1, 2025
This paper presents a quantitative framework for selecting extremely low-frequency electromagnetic field (ELF-EMF) measurement instruments. It uses a weighted scoring matrix across six criteria and a logic-based flowchart to guide instrument choice based on operational needs. The framework is demonstrated in an…
Effect of Static Electromagnetic Field on Growth Parameters, Survival Rate, Sex Distribution, Ratio, and Liver and Gonadal Health of Zebrafish
Research
RF Safe Research Library
Jan 1, 2025
This animal study exposed zebrafish embryos to static electromagnetic fields for 63 days post-hatching across aquariums positioned 30–99 cm from the source, with an EMF-free control. The abstract reports strong shifts in sex distribution (including 100% female at the closest distance), markedly reduced survival in…
Impact of Radiofrequency Electromagnetic Fields on Cardiac Activity at Rest: A Systematic Review of Healthy Human Studies
Research
RF Safe Research Library
Jan 1, 2025
This systematic review evaluated evidence on RF-EMF exposure and cardiac activity (heart rate and heart rate variability) in healthy humans at rest. Across 28 studies spanning 100 to 110,000 MHz and exposures from minutes to a week, most studies reported no significant effects on resting heart rate, and HRV findings…
Men with genetic predisposition face greater fertility challenges when exposed to electromagnetic radiation
Research
RF Safe Research Library
Jan 1, 2025
This case-control genetic association study in men from West Bengal, India examined variants in meiotic regulator genes (SPO11, RNF212, SYCP3) alongside reported exposure to electronic (electromagnetic) radiation as risk factors for azoospermia. It reports that genetic variants were associated with increased…
Assessment of Electromagnetic Exposure to a Child and a Pregnant Woman Inside an Elevator in Mobile Frequencies
Research
RF Safe Research Library
Jan 1, 2025
This study uses anatomically detailed computational models of a five-year-old girl, a pregnant woman in the third trimester, and a fetus to simulate mobile phone RF exposure inside an elevator cabin. Simulations at 1000 MHz and 1800 MHz across 48 configurations evaluated SAR10g, whole-body SAR, and maximum…
Machine Learning Approach for Ground-Level Estimation of Electromagnetic Radiation in the Near Field of 5G Base Stations
Research
RF Safe Research Library
Jan 1, 2025
This paper presents a machine-learning method to estimate ground-level electromagnetic radiation (electric field strength) in the near field of 5G base stations, using multiple technical and environmental input parameters. The authors report experimental performance with a mean absolute percentage error of about…
Cluster Analysis of RF-EMF Exposure to Detect Time Patterns in Urban Environment: A Model-Based Approach
Research
RF Safe Research Library
Jan 1, 2025
This paper applies a model-based clustering approach (Log-Normal Mixture Model) to continuous RF-EMF monitoring data from the Serbian EMF RATEL network in Novi Sad to characterize temporal exposure patterns. The analysis reports separation of night versus day exposure values and identification of daytime periods…
13.56 MHz RFID Module - From Application to Process Modelling and Effects on Human Health
Research
RF Safe Research Library
Jan 1, 2025
This paper presents an application and numerical process modelling of a 13.56 MHz RFID module, including how nearby tags/cards and their positioning affect antenna characteristics. It also considers RFID operation near human tissues and discusses potential health impacts from prolonged EMF exposure at 13.56 MHz. The…
Auto-Induced Downlink Radiofrequency Electromagnetic Field Exposure at 3.5 GHz With Focusing Near the Head
Research
RF Safe Research Library
Jan 1, 2025
This exposure-assessment study uses FDTD simulations to evaluate auto-induced downlink RF-EMF exposure at 3.5 GHz when downlink energy is focused toward user equipment near the head. Exposure varied substantially by device position (ear, eyes, nose) and by the precoding technique used. The authors report that the…
Effects of radiofrequency field from 5G communication on fecal microbiome and metabolome profiles in mice
Research
RF Safe Research Library
Jan 1, 2024
This animal study exposed adult male C57BL/6 mice to a 4.9 GHz radiofrequency field for three weeks (1 hour/day) and compared them with a sham group. The abstract reports altered fecal microbiome composition with reduced diversity in the RF group, along with 258 significantly differentially abundant fecal…
Improved assessment of radiofrequency electromagnetic field power deposition near orthopaedic device using a bone-inclusive ASTM phantom under 1.5T and 3T MRI.
Research
RF Safe Research Library
Jan 1, 2024
This engineering/simulation study proposes a bone-inclusive ASTM phantom to improve assessment of RF power deposition near orthopaedic implants during 1.5 T and 3 T MRI. Using numerical simulations across multiple implant families, the authors report better correlation of peak 1 g SAR near implants with anatomically…
In Situ Assessment of Uplink Duty Cycles for 4G and 5G Wireless Communications.
Research
RF Safe Research Library
Jan 1, 2024
This exposure assessment measured in situ smartphone uplink duty cycles for 4G LTE and 5G NR across six voice, video, and data use cases. Measurements were taken at ten positions near a 4G and 5G base-station site in Belgium. Reported duty cycles varied by application, with some use cases showing low-to-moderate duty…
Microstructure and Properties of Electromagnetic Field-Assisted Laser-Clad Norem02 Iron-Based Cemented Carbide Coating.
Research
RF Safe Research Library
Jan 1, 2023
This engineering study used electromagnetic field-assisted laser cladding to produce Norem02 iron-based cemented carbide coatings on 304 stainless steel and evaluated microstructure and mechanical-related properties. The abstract reports no change in phase composition but notable microstructural refinement and…
Improved osteogenic differentiation by extremely low electromagnetic field exposure: possible application for bone engineering.
Research
RF Safe Research Library
Jan 1, 2022
This in vitro study examined intermittent extremely low-frequency electromagnetic field (ELF-EMF) exposure (6 h/day) in human periodontal ligament mesenchymal stem cells during osteogenic differentiation. After 10 days, ELF-EMF-exposed cells showed increased proliferation and calcium deposition versus sham.…
EMF Antenna Exposure on a Multilayer Human Head Simulation for Alzheimer Disease Treatments.
Research
RF Safe Research Library
Jan 1, 2022
This study uses HFSS/EMPro simulations to model a 64 MHz antenna exposure on a multilayer human head to match parameters previously used in neuronal culture experiments. The simulations report achieving up to 0.6 W/kg maximum SAR and approximately 0.4–0.6 W/kg across head layers with a 1 A peak current pulse. The…
Comparing the Effects of Long-term Exposure to Extremely Low-frequency Electromagnetic Fields With Different Values on Learning, Memory, Anxiety, and β-amyloid Deposition in Adult Rats.
Research
RF Safe Research Library
Jan 1, 2021
This animal study exposed adult male rats to 50 Hz ELF-EMF at 1, 100, 500, or 2000 μT for 1 hour/day over two months and assessed behavior and brain markers. The authors report increased memory retention (higher step-through latency) alongside increased anxiety-like behavior (reduced open-arm entries), particularly…
Synergic effects of extremely low-frequency electromagnetic field and betaine on in vitro osteogenic differentiation of human adipose tissue-derived mesenchymal stem cells.
Research
RF Safe Research Library
Jan 1, 2021
This in vitro study tested 50 Hz, 1 mT ELF-EMF exposure (8 h/day for 21 days) and betaine (10 mM) during osteogenic induction of human adipose-derived mesenchymal stem cells. The authors report ELF-EMF decreased osteogenic differentiation and reduced RUNX2 and OCN gene expression compared with non-EMF conditions.…
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…
An Evaluation of Electromagnetic Exposure While Using Ultra-High Frequency Radiofrequency Identification (UHF RFID) Guns.
Research
RF Safe Research Library
Jan 1, 2019
This study simulated SAR from handheld UHF RFID readers (“RFID guns”) in adult male and female models across seven close-proximity scenarios involving an operator, scanned person, or bystander. SAR was reported to comply with general public limits at emissions up to 1 W, but higher-power devices (>2 W, and especially…
Effect of acute exposure to radiofrequency electromagnetic fields emitted by a mobile phone (GSM 900 MHz) on electrodermal responsiveness in healthy human.
Research
RF Safe Research Library
Jan 1, 2018
This study examined whether acute GSM 900 MHz mobile phone exposure affects electrodermal activity responses to auditory stimuli in 28 young volunteers. The authors report no exposure-related changes in SCR latency, amplitude, integral, or number of responses. Session differences in skin conductance/tonic…
AN EMPIRICAL STUDY: THE IMPACT OF THE NUMBER OF USERS ON ELECTRIC FIELD STRENGTH OF WIRELESS COMMUNICATIONS.
Research
RF Safe Research Library
Jan 1, 2018
This study used real-time measurements on a university campus to examine how the number of users relates to RF electric field strength from cellular systems and a Wi-Fi access point. The authors report empirical models that estimate E from user counts, with stated accuracies of 86% for cellular-related measurements…
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…
Wireless control of cellular function by activation of a novel protein responsive to electromagnetic fields.
Research
RF Safe Research Library
Jan 1, 2018
This study reports the identification of an electromagnetic perceptive gene (EPG) from glass catfish and its expression in mammalian cells, neuronal cultures, and rat brain. The authors report that magnetic/EMF stimulation remotely increased intracellular calcium in EPG-expressing cells and neurons. They also report…
Iron deposition in rabbit cerebellum after exposure to generated and mobile GSM electromagnetic fields.
Research
RF Safe Research Library
Jan 1, 2017
This animal study examined iron distribution in rabbit cerebellum after exposure to RF electromagnetic fields, using light and scanning electron microscopy with energy-dispersive microanalysis. The authors report dystrophic changes in Purkinje cells in irradiated groups and deposits containing multiple elements…