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Showing results for: EMF exposure

Electromagnetic Fields Generated by the IteraCoil Device Differentiate Mesenchymal Stem Progenitor Cells Into the Osteogenic Lineage.

Research RF Safe Research Library Jan 1, 2022

This in vitro study exposed human adipose-derived mesenchymal stem progenitor cells to an alternating EMF generated by the IteraCoil device at 0.05 and 1 kHz. The authors report that EMF exposure was associated with osteoblastic differentiation in the absence of exogenous pro-osteogenic supplements, assessed by…

Physiological changes and symptoms associated with short-term exposure to electromagnetic fields: a randomized crossover provocation study.

Research RF Safe Research Library Jan 1, 2022

This randomized blinded crossover provocation study compared short-term RF-EMF exposure mimicking mobile phone base stations versus sham in people with IEI-EMF and controls. Symptom reporting and physiological measures (blood pressure, heart rate, heart rate variability) were similar between provocation and sham…

The effect of 900 MHz electromagnetic fields on biological pathways induced by electrochemotherapy.

Research RF Safe Research Library Jan 1, 2021

This study examined whether 900 MHz RF-EMF exposure modifies biological pathways associated with electrochemotherapy (ECT) in 4T1 cells and in mice bearing 4T1 tumors. At the highest reported power density (349 µW/cm), RF exposure was reported to increase ECT-induced tumor hypoxia and increase IFN-γ compared with ECT…

Health disturbances and exposure to radiofrequency electromagnetic fields from mobile-phone base stations in French urban areas.

Research RF Safe Research Library Jan 1, 2021

This cross-sectional survey in five French cities assessed whether measured RF-EMF exposure from mobile-phone base stations was associated with self-reported non-specific and insomnia-like symptoms among residents living within 250 m of a base station. Overall, measured base-station exposure was not associated with…

The Short-Term Effect of Occupational Levels of 50 Hz Electromagnetic Field on Human Heart Rate Variability.

Research RF Safe Research Library Jan 1, 2021

This double-blind randomized sham-controlled repeated-measures study examined short-term 50 Hz ELF-EMF exposure (28 μT) to the chest and its effects on HR and HRV in 34 healthy young men. HR deceleration occurred in both EMF and sham conditions, but several HRV indices (SDNN, RMSSD, LF, HF) increased only in the EMF…

Improved Calculation Method of Coupling Factors for Low-Frequency Wireless Power Transfer Systems.

Research RF Safe Research Library Jan 1, 2021

This engineering/methods study addresses computational artifacts that can affect coupling factor calculations for localized EMF exposure assessment in IEC 62311/62233, particularly below 10 MHz. The authors propose using the 99.99th percentile rather than the maximum internal quantity to mitigate abnormal peaks from…

Towards Environmental RF-EMF Assessment of mmWave High-Node Density Complex Heterogeneous Environments.

Research RF Safe Research Library Jan 1, 2021

This paper presents an RF-EMF exposure assessment combining measurements and deterministic 3D ray-launching simulations in a large indoor public library with high node density. It considers mmWave 5G FR2 at 28 GHz and Wi-Fi 802.11ay at 60 GHz under realistic operation conditions with varying user distributions. The…

Artificial Neural Network-Based Uplink Power Prediction From Multi-Floor Indoor Measurement Campaigns in 4G Networks.

Research RF Safe Research Library Jan 1, 2021

This paper describes multi-floor indoor LTE measurement campaigns aimed at enabling assessment and monitoring of RF-EMF exposure, with emphasis on uplink exposure via mobile phone transmit power. Because uplink transmit power is not directly available from off-the-shelf devices, the authors propose an artificial…

Effects of Radiofrequency Electromagnetic Field (RF-EMF) exposure on male fertility and pregnancy and birth outcomes: Protocols for a systematic review of experimental studies in non-human mammals and in human sperm exposed in vitro.

Research RF Safe Research Library Jan 1, 2021

This paper presents protocols for a systematic review of experimental studies assessing RF-EMF exposure (100 kHz–300 GHz) and outcomes related to male fertility and pregnancy/birth effects. The review will cover three evidence streams: non-human mammal male reproductive outcomes, human sperm exposed in vitro, and in…

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…

Effects induced by a 50 Hz electromagnetic field and doxorubicin on Walker-256 carcinosarcoma growth and hepatic redox state in rats.

Research RF Safe Research Library Jan 1, 2021

This animal study compared 50 Hz extremely low-frequency EMF exposure with doxorubicin (and their combination) in Walker-256 carcinosarcoma-bearing rats, assessing tumor growth and liver redox-related outcomes. DOX and DOX+EMF were reported to inhibit tumor growth more than EMF alone, though EMF alone also showed an…

The guardians of germ cells; Sertoli-derived exosomes against electromagnetic field-induced oxidative stress in mouse spermatogonial stem cells.

Research RF Safe Research Library Jan 1, 2021

This in vitro study exposed mouse spermatogonial stem cells to 50 Hz EMF (2.5 mT; 1 h/day for 5 days) and assessed oxidative stress and cell health outcomes. The authors report increased ROS and apoptosis with reduced antioxidant (catalase) expression, viability, and colonization after EMF exposure. Sertoli…

Exposure to long-term evolution radiofrequency electromagnetic fields decreases neuroblastoma cell proliferation via Akt/mTOR-mediated cellular senescence.

Research RF Safe Research Library Jan 1, 2021

This in vitro study examined LTE RF-EMF exposure effects on SH-SY5Y neuroblastoma cells. The authors report reduced cell proliferation and a G0/G1 cell-cycle delay after 1760 MHz exposure at 4 W/kg for 4 hr/day over 4 days. They report no marked DNA damage signal (γH2AX) and no apoptosis activation, but increased…

Wi-fi related radiofrequency electromagnetic fields (RF-EMF): a pilot experimental study of personal exposure and risk perception.

Research RF Safe Research Library Jan 1, 2021

This pilot experimental study tested whether different types of information (basic text, precautionary information, or personal RF-EMF exposure measurements) affect perceptions of Wi-Fi (2.4 GHz) RF-EMF. Risk perception and exposure perception did not differ by the type of information provided, although receiving…

Modern health worries and idiopathic environmental intolerance attributed to electromagnetic fields are associated with paranoid ideation.

Research RF Safe Research Library Jan 1, 2021

This cross-sectional online survey examined whether paranoid ideation is associated with modern health worries and idiopathic environmental intolerance attributed to electromagnetic fields (IEI-EMF). Paranoid ideation was positively associated with modern health worries and with IEI-EMF status, even after controlling…

Nonionizing Electromagnetic Field: A Promising Alternative for Growing Control Yeast.

Research RF Safe Research Library Jan 1, 2021

This laboratory study examined radiofrequency EMF exposure between 1 and 5.9 GHz as a method to control yeast growth relevant to food spoilage. The authors report reduced yeast viability at all tested frequencies and note that antenna-to-sample distance affected the outcome. Electron microscopy findings are described…

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…

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…

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 Ameliorate Insulin Resistance and Hepatic Steatosis by Modulating Redox Homeostasis and SREBP-1c Expression in db/db Mice.

Research RF Safe Research Library Jan 1, 2021

This animal study examined whether 8 weeks of EMF exposure affects insulin resistance and fatty liver features in db/db mice. The authors report improvements in insulin resistance markers, hepatic redox balance, and steatosis-related outcomes after EMF exposure. They also report reduced liver triglycerides and lower…

Extremely low frequency electromagnetic fields promote cognitive function and hippocampal neurogenesis of rats with cerebral ischemia.

Research RF Safe Research Library Jan 1, 2021

This animal study evaluated whether ELF-EMF exposure affects recovery-related outcomes after cerebral ischemia in rats. Rats exposed to 50 Hz, 1 mT ELF-EMF for 2 hours daily over 28 days showed better Morris water maze performance than untreated rats. The study also reports increased hippocampal neurogenesis markers…

Synergistic effect of electromagnetic fields and nanomagnetic particles on osteogenesis through calcium channels and p-ERK signaling.

Research RF Safe Research Library Jan 1, 2021

This in vitro and animal study evaluated whether extremely low frequency EMF exposure (1 mT, 45 Hz, 8 h/day) combined with Fe-based nanomagnetic particles enhances osteogenesis. The authors report no detectable cytotoxicity and increased osteogenic markers/proteins with combined NMP + EMF exposure, alongside…

[Jurisprudence on occupational radiofrequency diseases].

Research RF Safe Research Library Jan 1, 2020

This article reviews Italian jurisprudence on alleged occupational tumours linked to RF EMF exposure (notably from wireless phones), with some cases also involving other RF sources or ELF magnetic fields. It contrasts court decisions that recognized occupational causation with others that rejected it, emphasizing how…

Electromagnetic Field in Alzheimer's Disease: A Literature Review of Recent Preclinical and Clinical Studies.

Research RF Safe Research Library Jan 1, 2020

This literature review summarizes recent preclinical and clinical research on electromagnetic fields (EMF) in relation to Alzheimer's disease (AD). It describes AD pathology involving amyloid-beta accumulation and tau hyperphosphorylation and notes limitations of current symptomatic treatments. The authors report…

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…

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