Effects of Polarized Coherent Microwaves Modulated at Extremely Low Frequencies
Research
RF Safe Research Library
Jan 1, 2025
This review-style text discusses polarized, coherent microwaves that are modulated and pulsed at extremely low frequencies (ELF) and suggests these characteristics may increase biological interactions. It emphasizes that intensity variability and ELF modulation are important for understanding EMF–biology…
Investigating the expression changes of several key genes in prostate cancer cells under exposure to the ELF pulsed electromagnetic fields.
Research
RF Safe Research Library
Jan 1, 2025
This in vitro study exposed DU-145 prostate cancer cells to extremely low-frequency pulsed electromagnetic fields (ELF P-EMF) at different intensities and times. The authors report increased cell mortality and apoptosis with higher intensity (22.6–35 mT) and longer exposure. They also report gene-expression changes…
Electromagnetic Field Influence on the Bioavailability and Accumulation of Ketoprofen.
Research
RF Safe Research Library
Jan 1, 2025
This in vitro/ex vivo study tested whether different magnetic-field configurations alter ketoprofen properties and its transdermal delivery in porcine skin using Franz diffusion cells. The authors report no change in ketoprofen molecular structure, but subtle changes in crystal structure and physicochemical…
Inflammasome Activation and IL-1β Release Triggered by Nanosecond Pulsed Electric Fields in Murine Innate Immune Cells and Skin
Research
RF Safe Research Library
Jan 15, 2024
This animal and in vitro study examined whether nanosecond pulsed electric fields (200-ns pulses) activate inflammasome signaling after electroporative damage. The authors report ASC aggregation, caspase-1 activation, and IL-1β release in murine macrophages, dendritic cells, and mouse skin in vivo. They also report…
The use of different exposure metrics in the research about the health impacts of electromagnetic fields
Research
RF Safe Research Library
Jan 1, 2024
This policy brief focuses on how RF-EMF exposure should be quantified in health research, emphasizing the role of near-field sources and proposing cumulative dose (J/kg/day) as a health-relevant metric. It reports mean cumulative dose estimates of 0.29 J/kg/day for the whole body and 0.81 J/kg/day for the brain. The…
Effect of Repeated Exposure to Complexly Organized Electromagnetic Radiation on the Rat Behavior in the "Open Field" Test
Research
RF Safe Research Library
Jan 1, 2024
This animal study examined repeated pulsed-modulated RF exposure (1–4 GHz; total pulse power density 300 μW/cm2) in male and female Wistar rats and assessed behavior using the open field test. The abstract reports stress reactions and long-term memory impairment in some rats, with females described as more sensitive…
Experimental Study of Stress Reactions Induced by Low-Intensity Microwave Radiation
Research
RF Safe Research Library
Jan 1, 2024
This animal experiment examined hematopoietic and immune-related indicators in mice after repeated exposure to low-intensity microwave radiation. Exposure involved monochromatic pulsed fields in the 2.27–2.78 GHz range with average power flux density of 60 μW/cm² and doses of 0.086–0.86 J/g. The authors report…
Energizing Healing with Electromagnetic Field Therapy in Musculoskeletal Disorders.
Research
RF Safe Research Library
Jan 1, 2024
This 2024 review discusses electromagnetic field (EMF) therapy, including pulsed EMFs (PEMFs), as a non-invasive approach for musculoskeletal disorders. It describes EMF therapy as safe and effective with no apparent side effects and suggests potential benefits via tissue repair stimulation, inflammation reduction,…
Comparison of pulsed and continuous electromagnetic field generated by WPT system on human dermal and neural cells.
Research
RF Safe Research Library
Jan 1, 2024
This in vitro study tested electromagnetic fields generated by a prototype wireless power transfer (wireless charging) system on four human dermal and neural cell lines. Across pulsed and continuous exposure conditions, the authors report no negative effects on morphology/cytoskeleton, viability/mitosis,…
NET Formation Was Reduced via Exposure to Extremely Low-Frequency Pulsed Electromagnetic Fields.
Research
RF Safe Research Library
Jan 1, 2023
This in vitro study examined whether a 16 Hz extremely low-frequency pulsed electromagnetic field (ELF-PEMF) affects neutrophil extracellular trap (NET) formation. In neutrophils from healthy volunteers, ELF-PEMF exposure did not induce ROS or calcium influx and did not increase basal or PMA-induced NET formation.…
The Effect of Low-Frequency Pulsed Electromagnetic Fields on the Differentiation of Permanent Dental Pulp Stem Cells into Odontoblasts.
Research
RF Safe Research Library
Jan 1, 2023
This in vitro study exposed dental pulp mesenchymal stem cells to 50 Hz pulsed electromagnetic fields at 0.5 or 1 mT for 20 or 40 minutes per day over seven days. Cell survival/proliferation was generally higher than control across exposure groups, except for the 40 minutes/day at 1 mT condition. DMP1 expression was…
Human osteosarcoma cells in response to ELF-MF: Morphological remodeling compared to cell proliferation.
Research
RF Safe Research Library
Jan 1, 2023
This in vitro study exposed human osteosarcoma (MG-63) cells to 2 mT extremely low-frequency magnetic fields with sinusoidal, triangular, or pulsed waveforms under continuous (3 h) or fractionated (3 days) conditions. The authors report significant decreases in proliferation and shape index in exposed cells versus…
Effects of pulsed electromagnetic fields and N-acetylcysteine on transplantation of vitrified mouse ovarian tissue.
Research
RF Safe Research Library
Jan 1, 2023
This experimental mouse study tested whether N-acetylcysteine (NAC), pulsed electromagnetic fields (PEMF), or their combination improves outcomes after transplantation of vitrified ovarian tissue. The abstract reports increased follicle numbers and enhanced vascularization in NAC, PEMF, and NAC+PEMF groups, along…
Intermittent Exposure to a 16 Hz Extremely Low Frequency Pulsed Electromagnetic Field Promotes Osteogenesis In Vitro through Activating Piezo 1-Induced Ca Influx in Osteoprogenitor Cells.
Research
RF Safe Research Library
Jan 1, 2023
This in vitro study compared continuous versus intermittent 16 Hz ELF-PEMF exposure strategies in osteoprogenitor (SCP-1) cells. Intermittent exposure (10 min every 8 h) was reported to enhance cell numbers and osteogenic function relative to continuous daily exposure (30 min every 24 h). The authors report increased…
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…
Treatment with Pulsed Extremely Low Frequency Electromagnetic Field (PELF-EMF) Exhibit Anti-Inflammatory and Neuroprotective Effect in Compression Spinal Cord Injury Model.
Research
RF Safe Research Library
Jan 1, 2022
This animal study tested a pulsed extremely low frequency electromagnetic field (PELF-EMF) SEQEX device in a mouse compression spinal cord injury model. Mice received 4 hours of daily exposure for two months starting 2 hours after injury. The study reports reduced inflammatory and astrocyte activation markers,…
Cancer on-target: Selective enhancement of 3-bromopyruvate action by an electromagnetic field in vitro.
Research
RF Safe Research Library
Jan 1, 2022
This in vitro study tested continuous or pulsed ELF electromagnetic field exposure in human cancer cells treated with the anticancer agent 3-bromopyruvate (3BP). The authors report that ELF-EMF enhanced 3BP anti-cancer activity, which they link to reduced TNFα secretion, p21/p27-associated G2/M arrest, and cancer…
Pulsed and Discontinuous Electromagnetic Field Exposure Decreases Temozolomide Resistance in Glioblastoma by Modulating the Expression of O-Methylguanine-DNA Methyltransferase, Cyclin-D1, and p53.
Research
RF Safe Research Library
Jan 1, 2021
This in vitro study evaluated 50 Hz, 70 G electromagnetic field exposure in combination with temozolomide (TMZ) in T98 and A172 glioblastoma cell lines. The authors report that EMF plus TMZ increased cell death and reduced migration potential compared with controls. They also report increased p53 gene expression and…
The Time-Dependence of Three Different Modes of ELF-EMF Stimulation on LTP at Schaffer Collateral-CA1 Synapses.
Research
RF Safe Research Library
Jan 1, 2021
This animal ex vivo study tested whether short-term 15 Hz/2 mT ELF-EMF exposure alters LTP at rat hippocampal SC-CA1 synapses. Across sinusoidal, pulsed, and rhythm-pulsed modes, the authors report reduced LTP versus control, with greater inhibition at longer exposure durations (10–60 s). Sinusoidal stimulation…
A Prospective Comparative Study of Pulsed High-Intensity Laser Therapy and Pulsed Electromagnetic Field on Chronic Nonspecific Low Back Pain.
Research
RF Safe Research Library
Jan 1, 2021
This prospective comparative study randomized 51 adults with chronic nonspecific low back pain into HILT, pulsed EMF, or control groups for 8 weeks of treatment (twice weekly). Both HILT and EMF groups showed improvements in pain, disability, and lumbar flexion range of motion after the intervention. The study…
A single-pulsed electromagnetic field enhances collagen synthesis in tendon cells.
Research
RF Safe Research Library
Jan 1, 2020
This in vitro study reports that a single pulsed electromagnetic field (0.2 Hz) increased expression of tenogenic genes and reduced expression of a matrix-degradation/inflammatory gene (Mmp1) in tendon cells. After 5 days of exposure (3 min/day), collagen type I and total collagen synthesis protein levels were…
Low-frequency electromagnetic fields as an alternative to sanitize water of drinking systems in poultry production?
Research
RF Safe Research Library
Jan 1, 2019
This study tested pulsed low-frequency electromagnetic fields (up to 10,000 Hz; max 21 mT) as a potential alternative sanitation approach for poultry drinking water systems. LF-EMF exposure was linked to variable changes in culturable bacterial counts, with direction depending on system type and some early…
Efficacy of pulsed electromagnetic fields and electromagnetic fields tuned to the ion cyclotron resonance frequency of Ca on chondrogenic differentiation.
Research
RF Safe Research Library
Jan 1, 2019
This in vitro study compared commonly used pulsed electromagnetic field (PEMF) exposures with electromagnetic fields tuned to satisfy the ion cyclotron resonance (ICR) condition for calcium. After 3 weeks, the calcium ICR condition was associated with increased glycosaminoglycans and type II collagen synthesis and…
Age-dependent effect of long-term microwave radiation on postnatal neurogenesis in rats: morphological and behavioral study.
Research
RF Safe Research Library
Jan 1, 2018
This animal study examined pulsed-wave 2.45 GHz microwave radiation exposure (1 or 3 hours daily for 3 weeks) in adult and juvenile rats and assessed neurogenesis-related markers in the rostral migratory stream. The authors report reduced cell proliferation in adults and longer-lasting effects on cell death after…
C-phycocyanin extraction assisted by pulsed electric field from Artrosphira platensis.
Research
RF Safe Research Library
Jan 1, 2017
This engineering/food-processing study evaluates pulsed electric field (PEF) treatment of fresh Artrhospira platensis biomass to enhance aqueous extraction of C-phycocyanin. Extraction depended on electric field strength, treatment time, and application temperature, with higher temperatures reducing the required…