Assessment and comparison of total RF-EMF exposure in femtocell and macrocell base station scenarios.
Research
RF Safe Research Library
Jan 1, 2014
This study assessed and compared total RF-EMF exposure for a mobile-phone user in an office environment when connected to an indoor femtocell base station versus a conventional macrocell base station. Using a framework that combines near-field and far-field exposure, the authors report a 20–40× reduction in total…
No influence of acute RF exposure (GSM-900, GSM-1800, and UMTS) on mouse retinal ganglion cell responses under constant temperature conditions.
Research
RF Safe Research Library
Jan 1, 2014
This double-blind in vitro study exposed isolated mouse retinae to GSM-900, GSM-1800, and UMTS RF-EMF at SARs up to 20 W/kg while maintaining constant temperature. Changes in retinal ganglion cell responses to light stimuli were compared before, during, and up to 35 minutes after exposure. The authors report no…
Use of portable exposure meters for comparing mobile phone base station radiation in different types of areas in the cities of Basel and Amsterdam.
Research
RF Safe Research Library
Jan 1, 2014
This exposure assessment study used portable exposure meters to characterize variability and repeatability of mobile phone base station RF-EMF measurements in urban areas of Basel and Amsterdam. Reported exposure levels varied by area type and city, with downtown/business areas showing higher ranges than residential…
Interference between active implanted medical devices and electromagnetic field emitting devices is rare but real: results of an incidence study in a population of physicians in France.
Research
RF Safe Research Library
Jan 1, 2014
This cross-sectional incidence survey used a postal questionnaire to assess physician-observed interference incidents between EMF-emitting devices and active implanted medical devices (AIMDs) in France. Among 1,188 participating physicians, 16% reported AIMD failures, typically of moderate severity but sometimes…
The alteration of spontaneous low frequency oscillations caused by acute electromagnetic fields exposure.
Research
RF Safe Research Library
Jan 1, 2014
This double-blind, randomized, crossover study examined whether 30 minutes of near-field LTE radiofrequency exposure near the right ear alters resting-state brain activity measured by fMRI. The authors report decreased ALFF in multiple temporal and frontal/paracentral regions after real exposure compared with sham,…
A pilot neighborhood study towards establishing a benchmark for reducing electromagnetic field levels within single family residential dwellings.
Research
RF Safe Research Library
Jan 1, 2014
This pilot study reports EMF field audits in 29 single-family residential dwellings in an urban Toronto neighborhood, measuring RF, power-frequency electric and magnetic fields, and high-frequency voltage transients. The authors frame EMF as an indoor pollutant and note a lack of international consensus on exposure…
EMOST: elimination of chronic constipation and diarrhea by low-frequency and intensity electromagnetic fields.
Research
RF Safe Research Library
Jan 1, 2014
This paper reports routine EMOST (Electro-Magnetic-Own-Signal-Treatment) use with low-frequency, low-intensity electromagnetic fields in two children with chronic constipation and persistent diarrhea. The authors state these conditions were eliminated following treatment. The abstract briefly discusses possible…
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…
[Magnetic field numerical calculation and analysis for magnetic coupling of centrifugal blood pump for extracorporeal circulation].
Research
RF Safe Research Library
Jan 1, 2013
This engineering paper models the driving system of a centrifugal blood pump for extracorporeal circulation, focusing on disc magnetic coupling. It uses a three-dimensional static magnetic field edge element method in Ansys to numerically calculate magnetic fields and analyze how coupling parameters relate to…
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…
[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…
Polymer-disordered liquid crystals: susceptibility to an electric field.
Research
RF Safe Research Library
Jan 1, 2013
This study models nematic liquid crystals embedded in random polymer networks, where disorder disrupts long-range order and produces a glassy state. It uses simulations and an Imry-Ma-like analytic approach to visualize domains, predict domain size, and calculate the response to an applied electric field. The authors…
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…
Pulsed electric field-assisted modification of pectin from sugar beet pulp.
Research
RF Safe Research Library
Jan 1, 2013
This engineering-focused study evaluates pulsed electric field (PEF)-assisted, solvent-free modification of pectin from sugar beet pulp. The authors report that degree of esterification increased with greater PEF intensity and energy input, with supporting evidence from FT-IR, X-ray diffraction, and NMR. Modified…
Induction of thrombosis of the abdominal aneurysm sac through the application of radiofrequency. An experimental study.
Research
RF Safe Research Library
Jan 1, 2012
This experimental animal study evaluated whether a radiofrequency method could induce thrombosis within an abdominal aortic aneurysm sac to potentially prevent endoleaks after endovascular repair. Six dogs received radiofrequency blood clotting of the sac and then stent-grafting, compared with a historical group of…
A wireless magnetoresistive sensing system for an intraoral tongue-computer interface.
Research
RF Safe Research Library
Jan 1, 2012
This engineering paper presents an intraoral version of the Tongue Drive System (iTDS) built into a dental retainer. It uses four 3-axis magnetoresistive sensors to detect tongue motion and transmits digitized data wirelessly via a dual-band 27/432 MHz transmitter, with configuration updates via a 13.56 MHz inductive…
A mm-sized wirelessly powered and remotely controlled locomotive implant.
Research
RF Safe Research Library
Jan 1, 2012
This engineering paper describes a mm-scale implantable device that is wirelessly powered and remotely controlled to locomote in a fluid medium. The prototype is reported to receive 500 µW from a 2 W, 1.86 GHz RF power signal at 5 cm and to support 2.5–25 Mbps data rates using asynchronous PWM on the carrier. The…
Use of a hip arthroscopy flexible radiofrequency device for capsular release in frozen shoulder.
Research
RF Safe Research Library
Jan 1, 2012
This article describes a surgical technique for arthroscopic capsular release in adhesive capsulitis using a flexible hip arthroscopy radiofrequency ablator. The authors present it as a creative approach intended to improve safety and precision in a procedure that can be technically challenging. The abstract does not…
[Recanalization of nasolacrimal duct with radio frequency: preliminary study].
Research
RF Safe Research Library
Jan 1, 2012
This preliminary clinical series evaluated radiofrequency-assisted recanalization of the nasolacrimal duct in adults with confirmed lower lacrimal system obstruction. The procedure used a monopolar high-frequency device at 450 kHz and 150 W under local anesthesia with sedation. At 90 days postoperatively, 81.25% of…
Removal of earth's magnetic field effect on magnetoelastic resonance sensors by an antisymmetric bias field.
Research
RF Safe Research Library
Jan 1, 2012
This engineering study addresses measurement error in magnetoelastic resonance sensors caused by Earth's magnetic field. The authors present an antisymmetric magnetic bias field approach and compare the ribbon response to external perturbation fields against a conventional design. They report a 77% reduction in the…
[Study on atmospheric VOCs in Gongga Mountain base station].
Research
RF Safe Research Library
Jan 1, 2012
This study measured atmospheric VOCs at the Gongga Mountain base station using weekly samples collected in 2007 and analyzed by preconcentration plus GC-MS. It reports mean concentrations of TVOCs and NMHCs, describes VOC composition, and uses PCA-based receptor modeling to attribute sources. The authors report…
Ground-state structures and structural transitions in a monolayer of magnetic dipolar particles in the presence of an external magnetic field.
Research
RF Safe Research Library
Jan 1, 2012
This physics study uses analytical calculations and Monte Carlo simulations to determine ground-state structures of monodisperse ferrofluid monolayers under external magnetic fields. It reports structural transitions depending on whether the field is perpendicular or parallel to the monolayer plane, with different…
Evaluation of the packaging and encapsulation reliability in fully integrated, fully wireless 100 channel Utah Slant Electrode Array (USEA): Implications for long term functionality.
Research
RF Safe Research Library
Jan 1, 2012
This engineering study evaluated long-term encapsulation and packaging reliability of a fully wireless 100-channel Utah Slant Electrode Array system in vitro. The device was soaked in PBS for over 12 months while being wirelessly powered/configured at 2.765 MHz and transmitting an FSK-modulated 900 MHz RF signal. The…