New insights into bioprotective effectiveness of disaccharides: an FTIR study of human haemoglobin aqueous solutions exposed to static magnetic fields.
Research
RF Safe Research Library
Jan 1, 2012
This in vitro FTIR study examined human haemoglobin aqueous solutions exposed to a 200 mT static magnetic field for 3 and 7 hours, with and without the disaccharides sucrose and trehalose. The authors report spectral changes (amide A decrease and reduced CH(3) stretching) in haemoglobin dissolved in bi-distilled…
Allergic contact dermatitis caused by a cell phone cover.
Research
RF Safe Research Library
Jan 1, 2012
This case report describes allergic contact dermatitis attributed to a cell phone cover that was advertised as silicone only. Patch testing with the cover material confirmed the diagnosis, and additional patch testing showed reactions to multiple plastics/glues allergens. The authors suggest that as phone cover use…
Application of an induced field sensor for assessment of electromagnetic exposure from compact fluorescent lamps.
Research
RF Safe Research Library
Jan 1, 2012
This study investigates instrumentation and procedures to assess electromagnetic exposure from compact fluorescent lamps (CFLs) by measuring both incident and induced fields in the 10 kHz–1 MHz range. For some CFLs, incident electric fields exceeded ICNIRP reference levels at close distances, but induced fields were…
Influence of magnetic field on aqueous two-phase extraction of horse ferritin in the polyethylene glycol/hydroxyethyl starch system.
Research
RF Safe Research Library
Jan 1, 2012
This study reports an aqueous two-phase extraction method for equine spleen ferritin using polyethylene glycol (PEG) and hydroxyethyl starch (HES). Ferritin partitioning depended on PEG/HES concentrations and PEG molecular weight, and applying a magnetic field increased ferritin accumulation in the PEG-rich phase…
Effects of radiofrequency radiation exposure on blood-brain barrier permeability in male and female rats
Research
RF Safe Research Library
Jan 1, 2011
This rat study tested whether acute exposure to 0.9 and 1.8 GHz continuous-wave radiofrequency radiation alters blood-brain barrier permeability. Using Evans-blue/albumin as a tracer, the authors report no BBB leakage in exposed female rats but a significant increase in albumin in exposed male rat brains versus sham.…
Comparison between different thickness umbrella-shaped expandable radiofrequency electrodes (SuperSlim and CoAccess): Experimental and clinical study.
Research
RF Safe Research Library
Jan 1, 2011
This experimental and clinical study compared two umbrella-shaped expandable radiofrequency ablation electrodes (SuperSlim vs CoAccess) across different ablation algorithms. In ex vivo bovine liver, CoAccess generally produced larger ablation areas and required longer ablation times than SuperSlim, with no…
Influences of electric field on living cells in a charged water-in-oil droplet under electrophoretic actuation.
Research
RF Safe Research Library
Jan 1, 2011
This experimental study examined whether strong electric fields used for electrophoretic actuation of charged water-in-oil droplets affect living cells inside the droplets. Using Trypan blue and cell growth tests across electric field strengths of 1–3 kV/cm and varying actuation times, the authors report no…
Experimental study of relationship between biological hazards of low-dose radiofrequency exposure and energy flow density in Spirostomum ambiguum infusoria exposed at a mobile connection frequency (1 GHz).
Research
RF Safe Research Library
Jan 1, 2011
This experimental study exposed Spirostomum ambiguum infusoria to 1 GHz radiofrequency fields at 5 and 50 μW/cm² and reports reduced motor activity. The effect was described as threshold-like, appearing after a certain exposure duration and not increasing with longer exposure. The authors report different 'safe'…
Hematological and toxicogenomic effects of ferromagnetic screening of natural electromagnetic fields.
Research
RF Safe Research Library
Jan 1, 2011
This rat study tracked hematological and toxicogenomic aftereffects over 45 days following 2 days of ferromagnetic screening of natural electromagnetic fields. The authors report leukopenia at day 14 and increases in genomic instability markers (aneuploidy and polyploidy) in male leukocytes persisting after screening…
Milk processed by pulsed electric fields: evaluation of microbial quality, physicochemical characteristics, and selected nutrients at different storage conditions.
Research
RF Safe Research Library
Jan 1, 2011
This study evaluated pulsed electric fields (PEF) as a pasteurization method for raw skim and whole milk across multiple treatment intensities and storage conditions. The abstract reports only minor changes in physicochemical properties and small decreases in some composition measures under stronger treatments.…
Effect of electromagnetic radiofrequency radiation on the rats' brain, liver and kidney cells measured by comet assay.
Research
RF Safe Research Library
Jan 1, 2011
This animal study assessed DNA damage in rat brain, liver, and kidney cells after repeated whole-body exposure to 915 MHz GSM-modulated RF radiation (SAR 0.6 W/kg) using the comet assay. Tail length was slightly increased in brain cells and differed more notably in liver and kidney samples versus sham controls, while…
Down-regulation of metallothionein 1 and 2 after exposure to electromagnetic field in mouse testis.
Research
RF Safe Research Library
Jan 1, 2011
This animal study examined mouse testis after 8 weeks of exposure to a 3 MT electromagnetic field (4 hours/day). The authors report significant histological changes (increased primary spermatocytes, increased Leydig cells, and increased basement membrane thickness) in exposed mice versus controls. MT1 and MT2…
Efficiency of radiofrequency assisted uvulopalatopharyngoplasty in the treatment of snoring.
Research
RF Safe Research Library
Jan 1, 2011
This pre/post clinical study evaluated radiofrequency-assisted uvulopalatopharyngoplasty for snoring using polysomnography before and after surgery in 22 patients. The abstract reports a statistically significant postoperative reduction in snoring, with most patients showing decreased snoring index. The work concerns…
Would pulsed radiofrequency applied to different anatomical regions have effective results for chronic pain treatment?
Research
RF Safe Research Library
Jan 1, 2011
This retrospective cross-sectional study evaluated pulsed radiofrequency (PRF) for chronic pain in patients who did not respond to conventional treatment. Across 24 patients treated at different anatomical regions, 66.7% reportedly achieved at least a 50% reduction in VAS pain scores over a mean follow-up of 8.5…
Dynamic control of adsorption sensitivity for photo-EMF-based ammonia gas sensors using a wireless network.
Research
RF Safe Research Library
Jan 1, 2011
This engineering paper proposes a control method for a photo-electromagnetic field (EMF)-based ammonia gas sensor that uses a wireless network and adjusts illumination light intensity. It reports that measurement error is minimized over 3800 ppm ammonia when the concentration corresponds to an optimal illumination…
Fuzzy mobile-robot positioning in intelligent spaces using wireless sensor networks.
Research
RF Safe Research Library
Jan 1, 2011
This engineering study develops and experimentally evaluates a fuzzy-logic method for locating mobile robots in an intelligent space using wireless sensor networks. Localization relies on inter-node range measurements estimated from RF signal strength attenuation, which the authors describe as noisy and unreliable.…
Mobile phones and short message service texts to collect situational awareness data during simulated public health critical events.
Research
RF Safe Research Library
Jan 1, 2011
This university-based pilot study evaluated whether two-way SMS text messaging could be used to collect situational assessment data during simulated public health critical events. Among 63 enrolled students, 76.7% of prompted SMS surveys were completed, and most responses were returned quickly. The authors conclude…
Effect of magnetic fields on tumor growth and viability.
Research
RF Safe Research Library
Jan 1, 2011
This animal study evaluated whether magnetic field exposure affects breast tumor growth and viability in mice injected with breast cancer cells. Tumor growth was monitored in real time using luciferase labeling and an in vivo imaging system. The authors report that 360 minutes of daily magnetic field exposure for up…
Effects of extremely low frequency magnetic field on oxidative balance in brain of rats.
Research
RF Safe Research Library
Jan 1, 2011
This animal study examined whether an extremely low frequency magnetic field (7 mT, 40 Hz) used in magnetotherapy alters oxidative balance in rat brain after 10 days of exposure. The 30 min/day exposure condition was associated with increased lipid peroxidation, while the 60 min/day condition was associated with…
[Time effect of sinusoidal electromagnetic field on enhancing the maturation and mineralization of osteoblasts in vitro].
Research
RF Safe Research Library
Jan 1, 2011
This in vitro study exposed newborn rat calvarial osteoblasts to 50 Hz sinusoidal electromagnetic fields at 1.8 mT for different daily exposure times (0.5–3.0 h). The authors report inhibited osteoblast proliferation at longer exposure times, alongside increased differentiation markers (ALP activity) and…
Electric field analysis of breast tumor cells.
Research
RF Safe Research Library
Jan 1, 2011
This paper reports a MAXWELL 3D simulation study of electric field distribution in a tissue/tumor model relevant to electrical-pulse-mediated drug delivery. The authors report lower electric field strength in tumor tissue compared with normal cells. They interpret this as potentially increasing tumor susceptibility…
Measurement of creatine kinase reaction rate in human brain using magnetization transfer image-selected in vivo spectroscopy (MT-ISIS) and a volume ³¹P/¹H radiofrequency coil in a clinical 3-T MRI system.
Research
RF Safe Research Library
Jan 1, 2011
This paper describes a new magnetization transfer 31P MRS approach (MT-ISIS) for measuring the creatine kinase forward reaction rate in the human brain using a volume 31P/1H RF coil on a clinical 3-T MRI system. The method aims to reduce acquisition time (30 min), avoid scalp muscle contamination, improve RF…
Selenium supplementation ameliorates static magnetic field-induced disorders in antioxidant status in rat tissues.
Research
RF Safe Research Library
Jan 1, 2011
This rat study examined whether selenium supplementation modifies antioxidant-related changes associated with sub-acute static magnetic field exposure. The authors report that SMF exposure altered tissue selenium levels and antioxidant enzyme activities in a tissue-specific manner, including decreased selenium and…
Impact of a pulsed electric field on damage of plant tissues: effects of cell size and tissue electrical conductivity.
Research
RF Safe Research Library
Jan 1, 2011
This experimental and modeling study examined pulsed electric field (PEF) permeabilization in several fruit and vegetable tissues at 293 K using 1000 μs pulses and field strengths of 400 and 1000 V·cm(-1). While electroporation theory predicts greater damage in tissues with larger cells, the authors report this…
Influence of pulsed electric field treatments on the volatile compounds of milk in comparison with pasteurized processing.
Research
RF Safe Research Library
Jan 1, 2011
The paper evaluates how pulsed electric field (PEF) processing affects milk volatile compounds compared with HTST pasteurization (75 °C, 15 s). GC-MS detected 37 volatiles and reported some compositional differences between PEF and pasteurized milk, including increased aldehydes and lower methyl ketones with PEF.…