Influence of Schumann Range Electromagnetic Fields on Components of Plant Redox Metabolism in Wheat and Peas.
Research
RF Safe Research Library
Jan 1, 2022
This study examined whether Schumann Resonance-range ELF electromagnetic fields (7.8, 14.3, 20.8 Hz) influence redox metabolism components in wheat and pea leaves after short (30 min) and long (18 days) exposures. The authors report that short-time exposure produced more pronounced biological effects than long-time…
Prioritizing health outcomes when assessing the effects of exposure to radiofrequency electromagnetic fields: A survey among experts.
Research
RF Safe Research Library
Jan 1, 2021
This paper reports a survey designed to prioritize which RF EMF-related health outcomes should be addressed in systematic reviews. Of 300 experts queried, 164 responded and rated cancer, heat-related effects, adverse birth/pregnancy outcomes, electromagnetic hypersensitivity, cognitive impairment, and oxidative…
Modulation of Crystallinity through Radiofrequency Electromagnetic Fields in PLLA/Magnetic Nanoparticles Composites: A Proof of Concept.
Research
RF Safe Research Library
Jan 1, 2021
This materials proof-of-concept study explored using radiofrequency EMF to heat magnetic nanoparticles dispersed in PLLA to modulate polymer properties. Heating was monitored by infrared camera, and polymer changes were assessed by differential scanning calorimetry and nanoindentation. The authors report that EMF…
Evaluation of the neuroprotective effects of Vitamin E on the rat substantia nigra neural cells exposed to electromagnetic field: An ultrastructural study.
Research
RF Safe Research Library
Jan 1, 2021
This rat study exposed animals to a 50 Hz, 3 mT electromagnetic field and assessed oxidative stress markers and substantia nigra ultrastructure. EMF exposure was associated with higher lipid peroxidation (MDA), lower SOD activity, and TEM-detected changes in nucleus/nuclear membrane and myelin sheath. Vitamin E…
A Novel In Vitro Device to Deliver Induced Electromagnetic Fields to Cell and Tissue Cultures.
Research
RF Safe Research Library
Jan 1, 2020
This paper presents an in vitro, noncontact solenoid-coil device designed to deliver intermediate-frequency induced electromagnetic fields that generate electric fields in cell and tissue cultures. The system aims to improve field characterization and reduce conductive heating compared with electrode-based approaches…
Radiofrequency applicator concepts for thermal magnetic resonance of brain tumors at 297 MHz (7.0 Tesla).
Research
RF Safe Research Library
Jan 1, 2020
This engineering/simulation study evaluates RF applicator concepts for ThermalMR brain tumor heating at 297 MHz (7.0 Tesla) using clinically realistic GBM-based models. EMF simulations compared 10 applicator designs and two SAR-based planning algorithms for small and large target volumes. Power-focused optimization…
Protective effect of crocin on electromagnetic field-induced testicular damage and heat shock protein A2 expression in male BALB/c mice.
Research
RF Safe Research Library
Jan 1, 2020
This animal study exposed male BALB/c mice to 2100 MHz EMF and assessed reproductive and hormonal outcomes, including sperm parameters, testicular histology, HspA2 immunoreactivity, and apoptosis. EMF exposure was associated with increased testicular apoptosis, increased abnormal sperm, and increased HspA2…
Wideband Self-Grounded Bow-Tie Antenna for Thermal MR.
Research
RF Safe Research Library
Jan 1, 2020
This engineering study designed and tested a compact wideband self-grounded bow-tie RF antenna module for a whole-body 7.0 T MRI system, aiming to enable 1H/19F MRI, MR thermometry, and broadband RF thermal intervention. The authors report validated B1 efficiency measurements and phantom-based heating experiments…
Evaluation of the safety of users of active implantable medical devices (AIMD) in the working environment in terms of exposure to electromagnetic fields - Practical approach to the requirements of European Directive 2013/35/EU.
Research
RF Safe Research Library
Jan 1, 2018
This study assessed electromagnetic field exposure near common strong EMF sources in medical and industrial workplaces to estimate standard safety distances (SSD) for workers using active implantable medical devices (AIMD). Using measurements near 127 devices, the longest SSDs were reported near dielectric sealers…
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…
Spatial electromagnetic field intensity modelling of global system for mobile communication base stations in the Istanbul Technical University Ayazaga campus area.
Research
RF Safe Research Library
Jan 1, 2018
This study measured RF electric field intensities at 900 and 1800 MHz at 29 points on the Istanbul Technical University campus and produced spatial EMF intensity heat maps using GIS interpolation. Three interpolation methods were compared and the mapped measurements were evaluated against ICNIRP reference limits. All…
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 Microwave Radiation Power on the Size of Aggregates of ZnO NPs Prepared Using Microwave Solvothermal Synthesis.
Research
RF Safe Research Library
Jan 1, 2018
This engineering/materials study tested how microwave heating power affects properties of ZnO nanoparticles produced by microwave solvothermal synthesis. Aggregate size reportedly varied (60–120 nm) with microwave power, while individual nanoparticle size and morphology remained constant (average 27 ± 3 nm) under the…
Effects of pH, temperature and pulsed electric fields on the turbidity and protein aggregation of ovomucin-depleted egg white.
Research
RF Safe Research Library
Jan 1, 2017
This laboratory study assessed how pH, temperature, and pulsed electric fields (PEF) affect turbidity and protein aggregation in ovomucin-depleted egg white solutions. Heating to 60°C for 10 minutes produced marked aggregation at several pH levels, while PEF caused some aggregation only at pH 5 and 7 under the…
Non-conductive and miniature fiber-optic imaging system for real-time detection of neuronal activity in time-varying electromagnetic fields.
Research
RF Safe Research Library
Jan 1, 2017
This paper describes a non-conductive, miniature fiber-optic imaging system designed to record neuronal activity in real time during repetitive, long-term time-varying EMF exposure. Using the system, the authors report that short exposures (
Antenna Design and SAR Analysis on Human Head Phantom Simulation for Future Clinical Applications.
Research
RF Safe Research Library
Jan 1, 2017
This study developed a mathematical and computer simulation model to analyze RF-EMF exposure in a human head phantom, motivated by potential therapeutic applications. The modeled exposure used a Yagi-Uda antenna at 64 MHz with SAR 0.6 W/kg and compared field distribution using one versus four antennas. COMSOL Bioheat…
MICROWAVE RADIATION INDUCED SYNTHESIS OF HYDROXYPROPYL METHYLCELLULOSE-GRAFT- (POLYVINYLALCOHAL-CO-ACRYLIC ACID) POLYMERIC NETWORK AND ITS IN VITRO EVALUATION.
Research
RF Safe Research Library
Jan 1, 2017
This in vitro materials study compares microwave irradiation versus conventional water-bath heating for synthesizing HPMC-graft-(PVA-co-acrylic acid) hydrogels loaded with captopril. The authors report that microwave-synthesized hydrogels had more uniformly porous structures and higher swelling ratios, with…
Gold Nanocluster-Mediated Cellular Death under Electromagnetic Radiation.
Research
RF Safe Research Library
Jan 1, 2017
This study investigated 2 nm protein-stabilized gold nanoclusters in six mammalian cell types under 1 GHz electromagnetic field exposure. The authors report low intrinsic toxicity of the nanoclusters, but a significant decrease in cell viability when nanocluster-incubated cells were exposed to the 1 GHz field,…
Efficient DNA ligation by selective heating of DNA ligase with a radio frequency alternating magnetic field.
Research
RF Safe Research Library
Jan 1, 2016
This in vitro study describes a method to improve DNA ligation by immobilizing T4 DNA ligase on ferromagnetic particles and applying a radio frequency alternating magnetic field. The field causes the particles to dissipate heat, which the authors report selectively heats and activates the ligase while minimally…
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,…
Effects of Anatomical Differences on Electromagnetic Fields, SAR, and Temperature Change.
Research
RF Safe Research Library
Jan 1, 2016
This engineering study evaluates how anatomical/geometric differences affect MRI RF safety metrics. Simulations and a bovine-phantom experiment found that similar transmit B-field patterns can coincide with notably different peak SAR and temperature rise. The authors highlight challenges in using…
Unraveling the effects of static magnetic field stress on cytosolic proteins of Salmonella by using a proteomic approach.
Research
RF Safe Research Library
Jan 1, 2016
This in vitro study examined how Salmonella enterica serovar Hadar adapts to a 200 mT static magnetic field for 9 hours using proteomics. The authors report 35 cytosolic proteins with >2-fold expression changes after exposure, spanning metabolism, oxidative stress response, energy homeostasis, translation elongation,…
Magnetic Nanoparticles with High Specific Absorption Rate at Low Alternating Magnetic Field.
Research
RF Safe Research Library
Jan 1, 2015
This paper describes synthesis and characterization of magnetic nanoparticles intended for tumor hyperthermia applications. It reports that the particles show relatively high specific absorption rate (22–200 W/g) under a 160 kHz alternating magnetic field at 100–500 Oe, despite low saturation magnetization. The…
Effect of marination in gravy on the radio frequency and microwave processing properties of beef.
Research
RF Safe Research Library
Jan 1, 2015
This engineering/food science study measured dielectric constant (ε'), dielectric loss factor (ε″), and power penetration depth in beef and gravy preparations across 27–1,800 MHz and 20–130 °C. The dielectric properties generally decreased with increasing frequency, and penetration depth decreased with increasing…
Mitigation of biofouling using electromagnetic fields in tubular heat exchangers-condensers cooled by seawater.
Research
RF Safe Research Library
Jan 1, 2014
This paper describes an engineering application of electromagnetic field (EMF) treatment to mitigate biofouling in seawater-cooled tubular heat exchanger-condensers. After allowing a biofilm to stabilize, EMF treatment was applied and was reported to precipitate dissolved ions and contribute to partial…