A preliminary examination of cell phone use and helping behavior.
Research
RF Safe Research Library
Jan 1, 2013
This preliminary study examined whether talking on a cell phone is associated with reduced helping behavior in a staged situation. Among 62 participants, those talking on a cell phone were less likely to offer help to a confederate who dropped magazines than those not talking on a phone. The authors interpret this as…
Effect of puerarin on matrix metalloproteinase-2 in human fetal scleral fibroblasts treated with low frequency electromagnetic fields.
Research
RF Safe Research Library
Jan 1, 2013
This in vitro study examined whether extremely low frequency electromagnetic field (ELF-EMF) exposure alters MMP-2 expression in cultured human fetal scleral fibroblasts and whether puerarin modifies this response. The authors report increased MMP-2 mRNA and protein expression after 0.2 mT ELF-EMF exposure for 24…
Study on effective improvement of mobile phone sound quality in a noise environment for the hearing-impaired.
Research
RF Safe Research Library
Jan 1, 2013
This study evaluated whether the NAL-NL1 hearing-aid fitting formula is appropriate for hearing-impaired mobile communication, comparing it with a modified fitting formula. Speech materials were low-pass filtered at 8 kHz and presented through a mobile phone for word-recognition testing in quiet and noisy conditions.…
Effectiveness of mobile phone messaging in prevention of type 2 diabetes by lifestyle modification in men in India: a prospective, parallel-group, randomised controlled trial.
Research
RF Safe Research Library
Jan 1, 2013
This prospective, parallel-group randomized controlled trial tested whether frequent mobile phone messaging could support lifestyle modification to prevent type 2 diabetes in high-risk Indian men. The intervention group had a lower incidence of type 2 diabetes than the control group receiving standard advice at…
Specific absorption rate variation in a brain phantom due to exposure by a 3G mobile phone: problems in dosimetry.
Research
RF Safe Research Library
Jan 1, 2013
This paper describes a SAR measurement system for a 3G mobile phone (1718.5 MHz) using brain phantom material in a Perspex box sized to a small rat volume, with induced fields measured at multiple locations. SAR was computed from induced-field measurements and also estimated experimentally via temperature rise, with…
Cell phone usage and erectile function.
Research
RF Safe Research Library
Jan 1, 2013
This pilot case-control study compared 20 men with erectile dysfunction to 10 healthy controls using SHIM/IIEF scores and a questionnaire on cell phone habits. Weekly call time was not significantly different between groups, but men with ED reported significantly longer daily time carrying a switched-on phone. The…
Effect of pulsed radiofrequency neuromodulation on clinical improvements in the patients of chronic intractable shoulder pain.
Research
RF Safe Research Library
Jan 1, 2013
This study evaluated pulsed radiofrequency (PRF) neuromodulation of the suprascapular nerve in 11 patients with chronic shoulder pain from adhesive capsulitis and/or rotator cuff tear. Pain (VAS) and shoulder-related quality of life/function (OSS) were assessed before treatment and monthly after PRF for up to 9…
Patient satisfaction and efficacy of accent radiofrequency for facial skin wrinkle reduction.
Research
RF Safe Research Library
Jan 1, 2013
This study evaluated a cosmetic radiofrequency device (Accent) for facial wrinkle reduction in 45 women receiving four weekly sessions. Patient satisfaction was higher at 6 months than at 1 month after treatment, and the authors suggest the approach may be effective for facial rejuvenation. The abstract emphasizes…
The Effects of Cell Phone Waves (900 MHz-GSM Band) on Sperm Parameters and Total Antioxidant Capacity in Rats.
Research
RF Safe Research Library
Jan 1, 2013
This experimental study exposed adult male Wistar rats to 900 MHz GSM-band cell phone-related waves for 2 or 3 weeks and assessed sperm parameters and total antioxidant capacity. All exposure groups showed significantly reduced sperm viability, motility, and total antioxidant capacity compared with controls.…
Quasi-phase-matched second harmonic generation in silicon nitride ring resonators controlled by static electric field.
Research
RF Safe Research Library
Jan 1, 2013
This paper proposes and simulates actively-controlled second harmonic generation in a silicon nitride ring resonator. Quasi-phase matching is induced by a periodic static electric field generated by voltage applied to electrodes along the ring. Simulations report a calculated efficiency of -21.67 dB at 60 mW pump…
Investigation of electric field enhancement between metal blocks at the focused field generated by a radially polarized beam.
Research
RF Safe Research Library
Jan 1, 2013
This engineering/optics study examines focusing properties of a radially polarized beam interacting with gold metal cubes arranged along the beam propagation direction. It reports >20d7 electric field enhancement between two cubes separated by bb/10 on the optical axis, linked to a strong longitudinal field and…
Sensitivity enhancement of Faraday effect based heterodyning fiber laser magnetic field sensor by lowering linear birefringence.
Research
RF Safe Research Library
Jan 1, 2013
This engineering study describes a method to improve the sensitivity of Faraday-effect-based heterodyning fiber laser sensors for magnetic field measurement. It reports an inverse relationship between magnetic-field sensitivity and intra-cavity linear birefringence, supported by theory and experimental birefringence…
Magnetic field tunability of optical microfiber taper integrated with ferrofluid.
Research
RF Safe Research Library
Jan 1, 2013
This engineering study reports theoretical analysis and experimental demonstration of an S-tapered optical microfiber integrated with ferrofluid for magnetic-field tunability. The transmission spectrum and dip wavelengths were found to vary with magnetic-field intensity, with a Langevin-like response and a linear…
Enhancement of LIBS emission using antenna-coupled microwave.
Research
RF Safe Research Library
Jan 1, 2013
This engineering study describes using antenna-coupled microwave radiation to enhance laser-induced breakdown spectroscopy (LIBS) emission from a Gd2O3 sample at reduced pressure. The authors report substantially increased plasma emission intensity, higher-temperature plasma, and longer emission lifetime when…
Linear and stable photonic radio frequency phase shifter based on a dual-parallel Mach-Zehnder modulator using a two-drive scheme.
Research
RF Safe Research Library
Jan 1, 2013
This paper presents a theoretical and experimental demonstration of a photonic RF phase shifter based on a dual-parallel Mach-Zehnder modulator using a two-drive scheme. The approach aims to mitigate residual optical carrier effects and avoid a lowest-frequency limitation from an optical filter by driving the…
[Measurement and assessment of electromagnetic fields near radiophones in line with provisions of European Directive 2013/35/EU and Polish labour law].
Research
RF Safe Research Library
Jan 1, 2013
This exposure assessment measured unperturbed electric fields near antennas of 50 portable radiophones used by rescue and uniformed services. Occupational exposure-level field strengths (per Polish OSH safety-zone criteria) occurred tens of centimeters from antennas, and Directive 2013/35/EU action levels were…
Epidemiological characteristics of mobile phone ownership and use in korean children and adolescents.
Research
RF Safe Research Library
Jan 1, 2013
This cross-sectional analysis used three Korean databases (2008–2011; n=21,693) to describe mobile phone ownership and use among children and adolescents and how these patterns vary by socioeconomic position. Ownership and use were higher among females, older students, and in 2011 compared with 2008, and the age of…
Tuning Mie scattering resonances in soft materials with magnetic fields.
Research
RF Safe Research Library
Jan 1, 2013
This paper proposes a reversible approach to tune Mie scattering resonances in random media using external low induction magnetic fields. The experimental demonstration uses ultrasound in emulsions of fluorinated ferrofluid droplets dispersed in a Bingham fluid. Magnetic-field-induced droplet deformation is reported…
Biaxiality-induced magnetic field effects in bent-core nematics: molecular-field and Landau theory.
Research
RF Safe Research Library
Jan 1, 2013
This paper theoretically investigates magnetic-field-induced phenomena in bent-core nematic liquid crystals, focusing on how molecular biaxiality modifies the response. Using molecular field and Landau theory, it reproduces reported experimental trends such as an enhanced Cotton-Mouton effect and an increase in the…
Three-dimensional dynamics of a particle with a finite energy of magnetic anisotropy in a rotating magnetic field.
Research
RF Safe Research Library
Jan 1, 2013
This paper presents a theoretical model of a single ferromagnetic particle with finite coupling between its magnetic moment and particle body in a rotating magnetic field. It describes synchronous and asynchronous motion regimes, including planar motion at low frequencies and a precession regime at high frequencies,…
Synchronization of neuron population subject to steady DC electric field induced by magnetic stimulation.
Research
RF Safe Research Library
Jan 1, 2013
This paper investigates, in an interneuronal network model, how a steady DC electric field induced by magnetic stimulation affects network coherence and synchronization. The authors report that coherence can exhibit a peak or plateau across a defined range of induced field values. Effects varied by network topology…
Increased Radioresistance to Lethal Doses of Gamma Rays in Mice and Rats after Exposure to Microwave Radiation Emitted by a GSM Mobile Phone Simulator.
Research
RF Safe Research Library
Jan 1, 2013
This animal study tested whether pre-exposure to microwave radiation from a GSM mobile phone simulator could induce a radioadaptive response to a subsequent lethal whole-body gamma dose. In mice, pre-exposure to microwave radiation, low dose rate gamma radiation, or both was associated with significantly different…
Biodegradable shape memory nanocomposites with thermal and magnetic field responsiveness.
Research
RF Safe Research Library
Jan 1, 2013
This engineering study reports fabrication of a biodegradable PLLA shape-memory nanocomposite incorporating surface-modified Fe3O4 nanoparticles. The composite showed improved tensile/mechanical and shape-memory properties compared with PLLA, and shape recovery could be triggered by an alternating magnetic field.…
Simulation of colloidal fouling by coupling a dynamically updating velocity profile and electric field interactions with Force Bias Monte Carlo methods for membrane filtration.
Research
RF Safe Research Library
Jan 1, 2013
This engineering simulation study models colloidal particle transport and deposition in a membrane filtration channel at a particle volume fraction of 10%. The model couples a dynamically updating crossflow velocity field with particle-particle and particle-membrane interaction potentials (electrostatic double layer…
Raman spectral analysis of nasopharyngeal carcinoma cell line CNE2 after microwave radiation.
Research
RF Safe Research Library
Jan 1, 2013
This in vitro study used Raman spectroscopy to assess microwave radiation effects on the CNE2 nasopharyngeal carcinoma cell line across exposure times from 2 to 25 minutes. The authors report detectable spectral changes (including C-H deformation and amide I) and significant PCA differences after 10 minutes of…