Numerical methods for computing the ground state of spin-1 Bose-Einstein condensates in a uniform magnetic field.
RF Safe Research Library
Jan 1, 2008 NEUTRAL
MEDIUM
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…
Surface-induced nonlinearities of liquid crystals driven by an electric field.
RF Safe Research Library
Jan 1, 2008 NEUTRAL
MEDIUM
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…
Aggregation of magnetic holes in a rotating magnetic field.
RF Safe Research Library
Jan 1, 2008 NEUTRAL
MEDIUM
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…
[Radiofrequency aviation treatment for lingual root obstructive sleep apnea-hypopnea syndrome].
RF Safe Research Library
Jan 1, 2008 NEUTRAL
LOW
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…
[Determination of electric field distribution in dielectric barrier surface glow discharge by spectroscopic method].
RF Safe Research Library
Jan 1, 2008 NEUTRAL
MEDIUM
This engineering study reports spectroscopic determination of net electric field distribution in a dielectric barrier surface glow discharge in low-pressure air. Optical emission spectroscopy was used to infer electric field distribution from the intensity ratio of nitrogen spectral lines at 391.4…
Effect of temperature (-5 to 130 degrees C) and fiber direction on the dielectric properties of beef Semitendinosus at radio frequency and microwave frequencies.
RF Safe Research Library
Jan 1, 2008 NEUTRAL
MEDIUM
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…
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.
RF Safe Research Library
Jan 1, 2008 NEUTRAL
LOW
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…
Adverse effects of excessive mobile phone use.
RF Safe Research Library
Jan 1, 2008 CONCERN
MEDIUM
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…
The effect of MRET polymer compound on SAR values of RF phones.
RF Safe Research Library
Jan 1, 2008 REASSURANCE
LOW
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…
SAR changes in a human head model for plane wave exposure (500 - 2500 MHz) and a comparison with IEEE 2005 safety limits.
RF Safe Research Library
Jan 1, 2008 REASSURANCE
MEDIUM
This engineering/modeling study derived external electric field values from peak average 10 g SAR in a realistic human head model exposed to plane waves at 500–2500 MHz. The derived fields were compared with IEEE and ICNIRP reference levels across multiple incident directions and polarizations.…
Influence of mashed potato dielectric properties and circulating water electric conductivity on radio frequency heating at 27 MHz.
RF Safe Research Library
Jan 1, 2008 NEUTRAL
MEDIUM
This engineering study used experiments, computer simulations, and simplified analytical calculations to examine how mashed potato dielectric properties and circulating water electrical conductivity affect RF heating at 27 MHz. The authors report that higher circulating water conductivity and…
Noninvasive radiofrequency field-induced hyperthermic cytotoxicity in human cancer cells using cetuximab-targeted gold nanoparticles.
RF Safe Research Library
Jan 1, 2008 NEUTRAL
MEDIUM
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…
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.
RF Safe Research Library
Jan 1, 2008 NEUTRAL
MEDIUM
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…
Electronic response properties of carbon nanotubes in magnetic fields.
RF Safe Research Library
Jan 1, 2008 NEUTRAL
MEDIUM
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…
Greyscale intravascular ultrasound and IVUS-radiofrequency tissue characterisation to improve understanding of the mechanisms of coronary stent thrombosis in drug-eluting stents.
RF Safe Research Library
Jan 1, 2008 NEUTRAL
UNKNOWN
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…
Plasma-assembled carbon nanotubes: electric field-related effects.
RF Safe Research Library
Jan 1, 2008 NEUTRAL
MEDIUM
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…
Improvement in magnetic field immunity of externally-coupled transcutaneous energy transmission system for a totally implantable artificial heart.
RF Safe Research Library
Jan 1, 2008 NEUTRAL
MEDIUM
This engineering study addresses interference between induction-heating cookers and an externally coupled transcutaneous energy transmission system for a totally implantable artificial heart. The authors report that magnetic flux from an IH cooker can couple into the TET transformer and affect…
In vivo quantification of contrast agent concentration using the induced magnetic field for time-resolved arterial input function measurement with MRI.
RF Safe Research Library
Jan 1, 2008 NEUTRAL
MEDIUM
This Medical Physics article presents a phase-based MRI method to quantify paramagnetic contrast agent concentration by inverting susceptibility-induced magnetic field shifts, aiming to improve arterial input function (AIF) measurement in DCE-MRI. After in vitro validation, the approach was…
[Microstrip antenna design and system research of radio frequency identification temperature sensor].
RF Safe Research Library
Jan 1, 2008 NEUTRAL
UNKNOWN
This engineering paper introduces an RFID sensor network concept integrating RFID with wireless sensor networks and emphasizes the role of antennas. It discusses coil, dipole, and microstrip antennas and reports designing a microstrip antenna for a wireless temperature monitoring and control…
Minimal-SAR RF pulse optimization for parallel transmission in MRI.
RF Safe Research Library
Jan 1, 2008 REASSURANCE
MEDIUM
This engineering study presents an optimization framework to design RF pulses for parallel transmission MRI with the goal of minimizing SAR. Using computer simulations of a 4-channel system, the authors report significant SAR reduction while maintaining excitation pattern quality and without…