Variation of radio frequency induced power deposition due to second surrounding tissue.
Research
RF Safe Research Library
Jan 1, 2016
This engineering study investigated RF-induced power deposition from insulated leads of different lengths positioned near two surrounding tissues. The authors report that both the electromagnetic lead models and the resulting power deposition depended strongly on the electrical properties of both tissues. Using a…
Improving resolution of robotic capsule locomotion using dynamic electromagnetic field.
Research
RF Safe Research Library
Jan 1, 2016
This engineering conference paper describes a method for controlling the locomotion of swallowable wireless capsule endoscopy devices using a dynamic magnetic field generated by external coils. A permanent magnet embedded in the capsule is manipulated by adjusting external field strengths to maintain equilibrium for…
[The influence of alternating magnetic field on in vitro litholysis of uroliths in blemaren water solutions].
Research
RF Safe Research Library
Jan 1, 2016
This in vitro study examined whether exposing Blemaren water solutions (pH 6.15) to a 2 Hz alternating magnetic field for one hour changes their ability to dissolve uroliths. The authors report higher dissolution efficiency (about 1.922d7) in pre-exposed solutions compared with non-exposed controls. They also report…
Wireless Fidelity Electromagnetic Field Exposure Monitoring With Wearable Body Sensor Networks.
Research
RF Safe Research Library
Jan 1, 2016
This engineering paper presents an experimentally validated wearable personal exposimeter system for RF-EMF exposure monitoring, motivated by increasing wireless applications. It uses a distributed measurement approach and integrates inertial sensors to capture activity and posture during measurements. The system is…
Cardiac magnetic resonance radiofrequency tissue tagging for diagnosis of constrictive pericarditis: A proof of concept study.
Research
RF Safe Research Library
Jan 1, 2016
This proof-of-concept cohort study evaluated cardiac magnetic resonance (CMR) radiofrequency tissue tagging to diagnose constrictive pericarditis and compared results with surgical findings and cardiac catheterization. In 16 patients who underwent pericardiectomy, CMR positivity agreed 100% with intraoperative…
Exposure to 900 MHz electromagnetic fields activates the mkp-1/ERK pathway and causes blood-brain barrier damage and cognitive impairment in rats
Research
RF Safe Research Library
Mar 19, 2015
This animal study exposed 108 male Sprague-Dawley rats to 900 MHz EMF (1 mW/cm2) or sham for 14 or 28 days (3 h/day). The authors report that 28-day exposure was associated with impaired spatial memory, BBB permeability damage, and ultrastructural changes in hippocampus and cortex. They also report increased mkp-1…
2.45 GHz Microwave Radiation Impairs Learning and Spatial Memory via Oxidative/Nitrosative Stress Induced p53-Dependent/Independent Hippocampal Apoptosis: Molecular Basis and Underlying Mechanism
Research
RF Safe Research Library
Jan 1, 2015
This animal study exposed male Swiss mice to 2.45 GHz continuous-wave microwave radiation for 2 hours/day over 15, 30, or 60 days. The authors report increased hippocampal oxidative/nitrosative stress and increased apoptosis in neuronal and nonneuronal hippocampal subfields. They also report duration-dependent…
Effects of Wi-Fi (2.45 GHz) Exposure on Apoptosis, Sperm Parameters and Testicular Histomorphometry in Rats: A Time Course Study
Research
RF Safe Research Library
Jan 1, 2015
This animal experimental study exposed male Wistar rats to 2.45 GHz Wi-Fi radiation for 1 or 7 hours per day over two months and compared them with unexposed controls. The abstract reports time-dependent decreases in sperm parameters alongside increased apoptotic markers (apoptosis-positive cells and caspase-3…
The role of the location of personal exposimeters on the human body in their use for assessing exposure to the electromagnetic field in the radiofrequency range 98-2450 MHz and compliance analysis: evaluation by virtual measurements
Research
RF Safe Research Library
Jan 1, 2015
This study used numerical modeling with a human body model to evaluate how the placement of a single body-worn personal exposimeter affects RF electric-field measurements in the 98–2450 MHz range. Across 256 simulated exposure scenarios, the body substantially altered measured values compared with the unperturbed…
Impacts of exposure to 900 MHz mobile phone radiation on liver function in rats.
Research
RF Safe Research Library
Jan 1, 2015
This animal experiment randomized 20 male Sprague-Dawley rats to 900 MHz electromagnetic radiation exposure (4 h/day for 18 days) or no exposure. The exposed group showed increased oxidative stress markers in liver tissue (higher MDA, lower GSH) and reported histopathological changes, along with increased apoptosis…
Enhanced liver fibrosis (ELF) test in obese children with ultrasound-proven liver steatosis.
Research
RF Safe Research Library
Jan 1, 2015
This cross-sectional study evaluated the Enhanced Liver Fibrosis (ELF) test in 58 obese children stratified by ultrasound evidence of liver steatosis. Children with steatosis had higher liver enzymes and a higher ELF value than those with normal ultrasound findings. Despite these differences, the authors report that…
Thick multilayered (silica/gold) dipole nano-antenna.
Research
RF Safe Research Library
Jan 1, 2015
This engineering study examines composite optical dipole nano-antennas made of alternating silica and gold layers. It reports that a 50% filling factor yields a 2.0× increase in electric-field enhancement compared with a pure-gold antenna. The abstract frames the work in terms of photonics applications rather than…
The effect of exposure of rats during prenatal period to radiation spreading from mobile phones on renal development.
Research
RF Safe Research Library
Jan 1, 2015
This animal study exposed pregnant Sprague-Dawley rats to a 900 MHz electromagnetic field during the first 20 days of pregnancy and assessed prenatal renal development. The exposed group showed reported histopathological kidney changes and increased caspase-3 staining suggestive of higher apoptosis compared with…
Effects of a continuous electromagnetic field on wound healing in human airway.
Research
RF Safe Research Library
Jan 1, 2015
This in vitro study exposed BEAS-2B human bronchial epithelial cells to a 1.8-GHz continuous EMF at SAR 1.0 W/kg and assessed wound-healing related endpoints. EMF exposure decreased cell migration in a scratch assay compared with controls. The authors report no cytotoxicity, no inhibition of proliferation, and no…
Effects of extremely low-frequency electric fields at different intensities and exposure durations on mismatch negativity
Research
RF Safe Research Library
Jul 11, 2014
This rat study examined whether 50-Hz extremely low-frequency electric fields at 12 or 18 kV/m for 2 or 4 weeks affect mismatch negativity (MMN) and markers of oxidative damage/apoptosis in brain tissue. MMN amplitude was reported to be significantly reduced only in the 18 kV/m, 4-week exposure group versus the…
Electromagnetic radiation (Wi-Fi) and epilepsy induce calcium entry and apoptosis through activation of TRPV1 channel in hippocampus and dorsal root ganglion of rats
Research
RF Safe Research Library
Jan 1, 2014
This animal study examined 2.45 GHz Wi-Fi exposure in a PTZ-induced epilepsy rat model using freshly isolated hippocampal and DRG neurons. The authors report that epilepsy increased Ca(2+) influx, oxidative stress markers, and apoptosis-related outcomes, and that Wi-Fi exposure produced additional increases in…
Occupational extremely low-frequency magnetic field exposure and selected cancer outcomes in a prospective Dutch cohort
Research
RF Safe Research Library
Jan 1, 2014
This prospective Dutch cohort (120,852 participants; 17.3 years follow-up) examined occupational ELF magnetic field exposure and incidence of several cancers. No associations were reported for lung, breast, or brain cancer across multiple exposure metrics. In men, high occupational exposure was associated with…
Risk of neuroblastoma, maternal characteristics and perinatal exposures: the SETIL study
Research
RF Safe Research Library
Jan 1, 2014
This population-based Italian case-control study (153 neuroblastoma cases; 1044 controls) evaluated maternal characteristics and perinatal exposures, including measured ELF-MF home exposure during pregnancy. The authors report no association between ELF-MF exposure and neuroblastoma risk. Increased risks were…
Radiofrequency reduction of inferior turbinates in allergic and non allergic rhinitis.
Research
RF Safe Research Library
Jan 1, 2014
This institutional study evaluated radiofrequency ablation for inferior turbinate hypertrophy in 200 patients with allergic or non-allergic rhinitis. Most patients reported improvement in nasal symptoms, with relatively few reporting persistent nasal obstruction or other symptoms at follow-up. The authors report no…
Extraction of Cations from an Ionic Liquid Droplet in a Dielectric Liquid under Electric Field.
Research
RF Safe Research Library
Jan 1, 2014
This laboratory study investigates various ionic liquids using an electrophoresis of a charged droplet method in a dielectric liquid under an applied electric field. While charged droplets typically bounce between electrodes, the authors report that some ionic liquids exhibit a retreating behavior. They interpret…
Effect of sputtering power on structural and optical properties of radio frequency-sputtered In2S3 thin films.
Research
RF Safe Research Library
Jan 1, 2014
This engineering/materials study examined how RF magnetron sputtering power affects the structural and optical properties of In2S3 thin films intended as a CdS buffer substitute in CIGS solar cells. Films deposited at 60–120 W were characterized using XRD, AFM, EDS, and UV-visible spectrophotometry. The films were…
[Modulating effect of weak combined magnetic fields on duration of mealworm beetle Tenebrio molitor metamorphosis stage].
Research
RF Safe Research Library
Jan 1, 2014
This animal study reports that combined static (42 μT) and very weak alternating (250 nT) magnetic fields can modulate the duration of metamorphosis in Tenebrio molitor pupae depending on the alternating-field frequency. A shorter pupal stage was reported at 4.4 Hz, an inhibiting effect at 32.2 Hz, and no noticeable…
Risk assessment of desert pollution on composite high voltage insulators.
Research
RF Safe Research Library
Jan 1, 2014
This engineering study assesses the risk of failure of composite high-voltage insulators in desert environments where sand accumulation and moisture can create conductive layers and leakage currents. Using realistic Sinai sand grain size and salinity data and an ABB composite insulator as a case study, the authors…
Real Time Processing and Transferring ECG Signal by a Mobile Phone.
Research
RF Safe Research Library
Jan 1, 2014
This paper presents an engineering approach for real-time ECG signal processing on a mobile phone with remote transmission to a medical center. The method uses an IIR low-pass filter and Hilbert transform to support R-peak detection and arrhythmia alerting. Reported algorithm performance includes 96.97% sensitivity…
Autophagy and enhanced chemosensitivity in experimental pancreatic cancers induced by noninvasive radiofrequency field treatment.
Research
RF Safe Research Library
Jan 1, 2014
This study tested noninvasive 13.56 MHz radiofrequency electric fields as a treatment adjunct for pancreatic ductal adenocarcinoma in cell lines and mouse xenograft models. The authors report RF exposure caused cytotoxicity in PDAC cells via autophagy (not apoptosis) and that normal pancreatic ductal epithelial cells…