Extremely low-frequency electromagnetic field exposure alters DNA methylation levels in the endometrium of pigs during the peri-implantation period.
Research
RF Safe Research Library
Jan 1, 2023
This in vitro study exposed porcine endometrial slices from the peri-implantation period (days 15–16 of pregnancy) to 50 Hz ELF-EMF for 2 hours and assessed promoter DNA methylation in selected genes. The authors report increased methylation for EGR2, ID2, and PTGER4, decreased methylation for IL1RAP and NOS3, and no…
Transcriptome profiling of flax plants exposed to a low-frequency alternating electromagnetic field.
Research
RF Safe Research Library
Jan 1, 2023
This study aims to perform transcriptome profiling in flax plants exposed to a low-frequency alternating electromagnetic field. The abstract frames prior work as suggesting EMF-related changes in free radical homeostasis and altered expression of genes involved in stress responses, ion transport, and cell wall…
The effect of the electromagnetic field on the physicochemical properties of isolated corn starch obtained of plants from irradiate seeds.
Research
RF Safe Research Library
Jan 1, 2023
This study examined whether exposing maize seeds to electromagnetic fields (23, 70, 118 μT) for 15 days alters physicochemical properties of starch isolated from the resulting grains. SEM and X-ray diffraction results suggest starch morphology and orthorhombic crystalline structure were largely unchanged, though…
What evidence exists of crop plants response to exposure to static magnetic and electromagnetic fields? A systematic map protocol.
Research
RF Safe Research Library
Jan 1, 2022
This paper describes a protocol for a systematic map of evidence on how food crops and model plants respond to exposure to static magnetic fields and non-ionizing electromagnetic fields. The authors cite reports of potential agronomic benefits but also inconsistent protocols and contradictory outcomes, and they…
An Out-of-Phase Wireless Power Transfer System for Implantable Medical Devices to Reduce Human Exposure to Electromagnetic Field and Increase Power Transfer Efficiency.
Research
RF Safe Research Library
Jan 1, 2022
This engineering study proposes an out-of-phase coupled wireless power transfer system for implantable medical devices intended to reduce electromagnetic field exposure in the tissue region between transmitting and receiving coils. The authors report, via simulation and measurements, lower EMF and higher power…
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…
The Potential of Cold Plasma and Electromagnetic Field as Stimulators of Natural Sweeteners Biosynthesis in Bertoni.
Research
RF Safe Research Library
Jan 1, 2022
This plant study evaluated whether short pre-sowing treatments with cold plasma or an electromagnetic field alter sweetener-related metabolites in stevia leaves. The authors report modest improvements in germination and a strong stimulation of steviol glycoside accumulation, with a larger increase in stevioside than…
Electromagnetic Field (EMF) Radiation Alters Estrogen Release from the Pig Myometrium during the Peri-Implantation Period.
Research
RF Safe Research Library
Jan 1, 2021
This ex vivo animal-tissue study tested whether ELF-EMF exposure (50 or 120 Hz for 2 or 4 hours) alters estrogenic activity in pig myometrium during the peri-implantation period. The authors report EMF-associated changes in estrogen-related gene transcripts and aromatase abundance, with progesterone diminishing some…
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…
The combinatory effect of sinusoidal electromagnetic field and VEGF promotes osteogenesis and angiogenesis of mesenchymal stem cell-laden PCL/HA implants in a rat subcritical cranial defect.
Research
RF Safe Research Library
Jan 1, 2019
This animal and in vitro study evaluated sinusoidal electromagnetic field (SEMF) exposure combined with VEGF in rat mesenchymal stem cells and in a rat cranial defect model using rBMSC-laden PCL/HA scaffolds. The authors report increased osteogenic and endothelial marker expression with SEMF and VEGF, with a slight…
Electromagnetic Energy Absorption in a Head Approaching a Radiofrequency Identification (RFID) Reader Operating at 13.56 MHz in Users of Hearing Implants Versus Non-Users.
Research
RF Safe Research Library
Jan 1, 2019
This modeling study estimated SAR in a head approaching a 13.56 MHz RFID HF reader, comparing hearing-implant users with non-users. The abstract reports that BAHA implants can increase localized SAR (10 g) versus non-users, up to 2.1× in a worst-case scenario, and that this increase is statistically higher than for…
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…
Changes of cationic transport in AtCAX5 transformant yeast by electromagnetic field environments.
Research
RF Safe Research Library
Jan 1, 2018
This laboratory study examined cation transport and intracellular ion levels in a yeast strain (K667) with controlled expression of the plant cation/H+ exchanger AtCAX5 under metallic stress and ELF magnetic-field exposure. Cultures exposed to 60 Hz, 0.1 mT sinusoidal or square-wave magnetic fields showed increased…
Microwave radiation alters burn injury-evoked electric potential in Nicotiana benthamiana.
Research
RF Safe Research Library
Jan 1, 2018
This plant study examined whether 2.45 GHz continuous-wave microwave exposure affects electric signaling in Nicotiana benthamiana after leaf burning. The authors report a significant reduction in the amplitude of the injury-evoked variation potential, mainly due to a reduced depolarization rate. The reported effect…
Efficacy of 50 Hz electromagnetic fields on human epidermal stem cell transplantation seeded in collagen sponge scaffolds for wound healing in a murine model.
Research
RF Safe Research Library
Jan 1, 2017
This animal study evaluated whether 50 Hz EMF exposure enhances wound healing after transplantation of human epidermal stem cells (ESC) seeded in collagen sponge scaffolds. Thirty-six nude mice with full-thickness wounds were assigned to control, ESC-only, or ESC+EMF groups (50 Hz, 5 mT, 60 min/day for 20 days). The…
Electromagnetic Fields Act Similarly in Plants as in Animals: Probable Activation of Calcium Channels via Their Voltage Sensor
Research
RF Safe Research Library
Jan 1, 2016
This narrative review proposes that low-intensity microwave/lower-frequency EMFs activate plasma membrane calcium channels in animals, increasing intracellular calcium and triggering downstream signaling including oxidative stress pathways. It further suggests that EMF actions in terrestrial multicellular plants are…
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,…
An innovative therapy for peri-implantitis based on radio frequency electric current: numerical simulation results and clinical evidence.
Research
RF Safe Research Library
Jan 1, 2016
This conference paper describes a peri-implantitis therapy using radio frequency electric current and presents numerical simulations alongside referenced clinical evidence. The abstract reports 81% successful treatment across 66 implants in 46 patients. FEM modeling suggests current preferentially concentrates in…
Radiofrequency microtenotomy is as effective as plantar fasciotomy in the treatment of recalcitrant plantar fasciitis.
Research
RF Safe Research Library
Jan 1, 2016
This single-institution cohort analysis compared radiofrequency microtenotomy with plantar fasciotomy for recalcitrant plantar fasciitis, including a group receiving both procedures. Patient-reported outcomes (SF-36, AOFAS) and satisfaction/expectations were reportedly similar across procedures at 6 months and 1…
The influence of low-frequency variable magnetic fields in reducing pain experience after dental implant treatment.
Research
RF Safe Research Library
Jan 1, 2015
This study evaluated magnetostimulation and magnetoledtherapy for pain reduction after dental implant treatment in three groups of 10 patients each. Pain was recorded using a VAS scale, and analgesic use was also tracked. The abstract reports lower pain scores and reduced analgesic use in the magnetostimulation…
In Vivo Wireless Monitoring System of Cardiovascular Force Data.
Research
RF Safe Research Library
Jan 1, 2015
This paper describes development of a fully implantable biotelemetry system that wirelessly transmits cardiac biomechanical force data along with ECG. The system uses a microcontroller with a bidirectional RF transceiver and was tested in a porcine model. The authors report successful transmission and recording of…
Modification of catalase and MAPK in Vicia faba cultivated in soil with high natural radioactivity and treated with a static magnetic field.
Research
RF Safe Research Library
Jan 1, 2014
This plant study examined effects of a 30 mT static magnetic field and cultivation in soil with high natural radioactivity on oxidative stress-related markers in Vicia faba. The abstract reports significant changes in catalase and MAPK gene expression in treated plants versus controls. Catalase activity and H2O2…
Interference between active implanted medical devices and electromagnetic field emitting devices is rare but real: results of an incidence study in a population of physicians in France.
Research
RF Safe Research Library
Jan 1, 2014
This cross-sectional incidence survey used a postal questionnaire to assess physician-observed interference incidents between EMF-emitting devices and active implanted medical devices (AIMDs) in France. Among 1,188 participating physicians, 16% reported AIMD failures, typically of moderate severity but sometimes…
Optimization of a therapeutic electromagnetic field (EMF) to retard breast cancer tumor growth and vascularity.
Research
RF Safe Research Library
Jan 1, 2014
This animal study evaluated a therapeutic 120 Hz pulsed EMF device (10–20 mT) in C3H mice bearing implanted murine mammary adenocarcinoma tumors. Across seven treated groups, EMF exposure over 12 days was reported to suppress tumor growth, with specific dose/time regimens described as most effective. The authors also…