Genetic damage in mammalian somatic cells exposed to radiofrequency radiation: a meta-analysis of data from 63 publications (1990-2005)
Research
RF Safe Research Library
Jan 1, 2008
A meta-analysis of 63 publications assessed whether radiofrequency (RF) radiation exposure is associated with genetic damage in mammalian somatic cells using multiple genotoxicity endpoints. Overall differences between RF-exposed and control conditions were reported as small, though statistically significant…
Effects of mobile phone use on specific intensive care unit devices.
Research
RF Safe Research Library
Jan 1, 2008
This study tested electromagnetic interference from GSM and CDMA mobile phones placed one foot from ICU devices (syringe pump, mechanical ventilator, bedside monitor) in off, standby, and talk modes. EMI was observed for the syringe pump in talk mode, with a mean 2.66 ml variation between calculated and delivered…
Synthesis of polylactic acid-polyglycolic acid blends using microwave radiation.
Research
RF Safe Research Library
Jan 1, 2008
This engineering/materials study describes blending PLLA and PGA using microwave irradiation to produce PLGA-related blends with varying constituent concentrations. The authors report that FTIR, NMR, and DSC measurements indicate blending and cross-linking between the polymers. The abstract does not provide microwave…
Apparent violation of the Wiedemann-Franz law near a magnetic field tuned metal-antiferromagnetic quantum critical point.
Research
RF Safe Research Library
Jan 1, 2008
This paper reports calculations of interlayer electrical and thermal resistivity in a layered metal assuming Fermi-liquid quasiparticles inelastically scattered by two-dimensional antiferromagnetic spin fluctuations. The model yields linear-in-temperature behavior over a broad range and suggests that extrapolations…
Arthroscopic capsular shrinkage for chronic ankle instability with thermal radiofrequency: prospective multicenter trial.
Research
RF Safe Research Library
Jan 1, 2008
This prospective multicenter longitudinal trial evaluated arthroscopic thermal radiofrequency capsular shrinkage for chronic ankle instability in adults who failed conservative therapy. The study reports no clinically relevant improvement in mechanical stability, but substantial and statistically significant…
Health hazards of mobile phones: an Indian perspective.
Research
RF Safe Research Library
Jan 1, 2008
This review-style article provides an overview of mobile phone radiation exposure in India and discusses potential health hazards in terms of thermal and non-thermal effects. It states that usage behaviors such as longer call duration and predominantly one-sided use are described as key risks increasing the…
Numerical methods for computing the ground state of spin-1 Bose-Einstein condensates in a uniform magnetic field.
Research
RF Safe Research Library
Jan 1, 2008
This paper presents numerical methods to compute ground-state solutions of spin-1 Bose-Einstein condensates in a uniform magnetic field. The approach uses normalized gradient flow with an additional normalization condition and enforces conservation of total mass and magnetization. The authors compare numerical…
Surface-induced nonlinearities of liquid crystals driven by an electric field.
Research
RF Safe Research Library
Jan 1, 2008
This experimental physics study examines how a static electric field affects the optical nonlinearity of methyl-red doped nematic liquid crystals. The authors report that low voltages below the Fredericks transition threshold can change the optical nonlinearity by orders of magnitude. They state that the data fit a…
Aggregation of magnetic holes in a rotating magnetic field.
Research
RF Safe Research Library
Jan 1, 2008
This laboratory study experimentally examined aggregation of nonmagnetic particles in a magnetic fluid layer under a rotating magnetic field. Particles formed two-dimensional clusters that repeatedly aggregated into larger clusters, producing a broad distribution of cluster sizes. The dynamics were described as…
[Radiofrequency aviation treatment for lingual root obstructive sleep apnea-hypopnea syndrome].
Research
RF Safe Research Library
Jan 1, 2008
This clinical study reports outcomes for 34 patients with mild and median OSAHS treated with a combination of functional endoscopic sinus surgery, UPPP, and radiofrequency ablation (RFA). Over 1 year, polysomnography showed a reduction in AHI and an effective rate of 85.29%. Because RFA was used as an adjunct to…
Effect of temperature (-5 to 130 degrees C) and fiber direction on the dielectric properties of beef Semitendinosus at radio frequency and microwave frequencies.
Research
RF Safe Research Library
Jan 1, 2008
This study measured dielectric properties of beef Semitendinosus across 27, 915, and 1800 MHz and temperatures from -5 to 130 °C using an open-ended coaxial probe. The results indicate that frequency, temperature, and muscle fiber orientation influence dielectric constant, dielectric loss, and calculated penetration…
Use of terahertz electromagnetic radiation for correction of blood rheology parameters in patients with unstable angina under conditions of treatment with isoket, an NO donor.
Research
RF Safe Research Library
Jan 1, 2008
This in vitro study examined terahertz electromagnetic radiation at NO-related spectral frequencies and its effects on blood rheology in patients with unstable angina treated with the NO donor isoket. The abstract reports that irradiated isoket had a better normalizing effect on blood viscosity and erythrocyte…
Adverse effects of excessive mobile phone use.
Research
RF Safe Research Library
Jan 1, 2008
This cross-sectional questionnaire study surveyed 286 medical students about mobile phone use and health complaints. The abstract reports multiple self-reported symptoms (including impaired concentration, memory disturbances, sleeplessness, fatigue, and headache) and notes that 44.4% of respondents attributed their…
The effect of MRET polymer compound on SAR values of RF phones.
Research
RF Safe Research Library
Jan 1, 2008
This article describes a hypothesis and experimental testing of an MRET polymer compound applied to RF phones. It reports increased dielectric permittivity in water-based solutions and reduced SAR values in a tissue-simulating phantom head. It also reports no significant change in air measurements of phone signals,…
Noninvasive radiofrequency field-induced hyperthermic cytotoxicity in human cancer cells using cetuximab-targeted gold nanoparticles.
Research
RF Safe Research Library
Jan 1, 2008
This in vitro study reports that shortwave (MHz-range) RF exposure can induce strong cytotoxicity in EGFR-overexpressing human cancer cells when those cells have internalized cetuximab-targeted gold nanoparticles. Control nanoparticles showed minimal uptake and substantially lower cytotoxicity under RF exposure. An…
Intestinal MMC-related electric fields and pancreatic juice control the adhesion of Gram-positive and Gram-negative bacteria to the gut epithelium--in vitro study.
Research
RF Safe Research Library
Jan 1, 2008
This in vitro study tested whether a weak electric field reconstructed from duodenal spiking potentials during an MMC cycle affects bacterial adhesion to Caco-2 intestinal epithelial cells. The MMC-related electric field increased adhesion of Lactobacillus and Lactococcus strains, while two pathogenic strains…
Electronic response properties of carbon nanotubes in magnetic fields.
Research
RF Safe Research Library
Jan 1, 2008
This computational study investigates magnetic linear response properties of achiral and chiral carbon nanotubes using first-principles electronic structure methods. It computes magnetic shielding inside and outside nanotubes due to electronic currents induced by external magnetic fields applied parallel or…
Greyscale intravascular ultrasound and IVUS-radiofrequency tissue characterisation to improve understanding of the mechanisms of coronary stent thrombosis in drug-eluting stents.
Research
RF Safe Research Library
Jan 1, 2008
This review describes proposed mechanical causes of drug-eluting stent thrombosis and notes that many are identifiable by greyscale intravascular ultrasound (IVUS). It highlights that evidence linking specific IVUS findings to stent thrombosis remains uncertain because relatively few stent thrombosis cases have been…
Plasma-assembled carbon nanotubes: electric field-related effects.
Research
RF Safe Research Library
Jan 1, 2008
This engineering-focused paper compares carbon nanotube growth in dense low-temperature plasma versus on a substrate surface using hybrid/Monte-Carlo simulations. It reports that plasma parameters strongly influence ion fluxes and nanotube growth kinetics, with large differences in growth rates and fluxes between…
New functions developed for ICU/CCU remote monitoring system using a 3G mobile phone and evaluations of the system.
Research
RF Safe Research Library
Jan 1, 2008
This conference paper describes development of new functions for an ICU/CCU remote monitoring system that uses a 3G mobile phone. The authors state that evaluations were performed on several different mobile phones and suggest the system has accuracy and real-time performance suitable for hospital adoption. The…
Electromagnetic interference to infusion pumps. Update2008 from GSM mobile phones.
Research
RF Safe Research Library
Jan 1, 2008
This engineering study updates a prior (2005) survey on electromagnetic interference (EMI) affecting infusion pumps and extends testing to DECT phones and WiFi terminals. It reports a reduced failure rate for GSM phone exposure compared with 2005 (58% to 30%). The authors report that WiFi and DECT did not pose a real…
Radiofrequency dosimetry in subjects implanted with metallic straight wires: a numerical study.
Research
RF Safe Research Library
Jan 1, 2008
This numerical FDTD study modeled RF exposure at 900 and 1800 MHz in tissue containing thin metallic straight wire implants. The model indicates that the wire can substantially increase local SAR, creating high SAR gradients. Despite this, the authors report that exposures below current safe levels resulted in…
Combined effect of temperature and pulsed electric fields on apple juice peroxidase and polyphenoloxidase inactivation.
Research
RF Safe Research Library
Jan 1, 2008
This laboratory study evaluated pulsed electric fields (PEF) combined with preheating to inactivate peroxidase (POD) and polyphenoloxidase (PPO) in freshly prepared apple juice. The highest reported inactivation occurred with preheating to 50°C and PEF at 40 kV/cm for 100 μs, exceeding the reductions seen with…
Microscopic observation of living cells during their exposure to modulated electromagnetic fields.
Research
RF Safe Research Library
Jan 1, 2008
This paper describes an exposure and microscopy system designed to continuously observe living cells during exposure to modulated RF-EMF similar to mobile phone signals. Using protocols where the same cells serve as controls before and after exposure, the system was validated with endocytosis measurements. Under 900…
Histologic evaluation of thermal capsulorrhaphy of human shoulder joint capsule with monopolar radiofrequency energy during short- to long-term follow-up.
Research
RF Safe Research Library
Jan 1, 2008
This Level III therapeutic case-control study evaluated shoulder capsule histology after arthroscopic thermal capsulorrhaphy using monopolar radiofrequency energy, with follow-up from 3.5 to 62 months. Mid- and long-term mRFE groups did not differ from controls on several histologic categories (synovial layer, edema,…