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…
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…
Optimized flash light-emitting diode spectra for mobile phone cameras.
Research
RF Safe Research Library
Jan 1, 2013
This engineering study examines how the spectral mismatch between mobile phone flash LEDs and modern display gamuts influences smartphone camera color reproduction. Using a CIECAM02-based metric and an evaluation method grounded in raw camera data and a Digital ColorChecker SG, the authors propose optimized flash LED…
[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…
Electric field in a plasma channel in a high-pressure nanosecond discharge in hydrogen: a coherent anti-stokes Raman scattering study.
Research
RF Safe Research Library
Jan 1, 2013
This experimental study measured the electric field inside a plasma channel formed during a high-pressure nanosecond discharge in hydrogen using coherent anti-Stokes Raman scattering. The authors report root-mean-square electric field intensities up to 30 kV/cm in the plasma channel. Polarization measurements…
Development of a prototype of the tele-localisation system in radiotherapy using personal digital assistant via wireless communication.
Research
RF Safe Research Library
Jan 1, 2013
This paper describes development and testing of a Wi-Fi–enabled tele-localisation prototype for radiotherapy field localisation using a personal digital assistant (PDA). Trial tests on 30 subjects across multiple treatment regions reported localisation times under 1.5 minutes and similar transmission speeds across…
Evaporation rate of water as a function of a magnetic field and field gradient.
Research
RF Safe Research Library
Jan 1, 2012
This experimental study investigated evaporation of pure water placed at different simulated gravity positions within a superconducting magnet producing a large gradient magnetic field. Water evaporation was reported to be faster in the magnetic field than without the field, and the amount evaporated varied by…
[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…
Construction of solar-wind-like magnetic fields.
Research
RF Safe Research Library
Jan 1, 2012
This Letter presents a method for constructing solar-wind-like magnetic fields that are nearly constant in magnitude, divergence-free, and match any specified fluctuation power spectrum. The approach selects relative phases between two polarizations per wave vector to minimize variance in field magnitude while…
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…
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…
A handheld preconcentrator for the rapid collection of cancerous cells using dielectrophoresis generated by circular microelectrodes in stepping electric fields.
Research
RF Safe Research Library
Jan 1, 2011
This engineering study describes a handheld microfluidic preconcentrator that uses dielectrophoresis generated by circular microelectrodes with a stepping electric field. Numerical simulations were used to illustrate the electric-field concept. In experiments, HeLa cells were reportedly preconcentrated within 160…
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.…
Nanocrystalline graphite films nucleation by the radio frequency bias pretreatment.
Research
RF Safe Research Library
Jan 1, 2011
This paper describes an engineering method for nucleating nanocrystalline carbon films on monocrystalline silicon using a combination of microwave and radio frequency plasma-assisted chemical vapor deposition. The approach is demonstrated via deposition of nanocrystalline diamond after a seeding step and growth of…
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.…
Reduction of implant RF heating through modification of transmit coil electric field.
Research
RF Safe Research Library
Jan 1, 2011
This engineering study describes modifying MRI RF transmit coil electric-field distributions to create electric field-free zones without substantially changing transmit sensitivity. Phantom experiments are reported to show reduced implant heating when a zero electric-field plane is aligned with the implant location.…
Quantitative determination of domain distribution in SrTiO3-competing effects of applied electric field and mechanical stress.
Research
RF Safe Research Library
Jan 1, 2010
This neutron diffraction study quantifies how tetragonal structural domains in SrTiO3 redistribute below 105 K under external electric fields and uniaxial mechanical stress. The authors report that electric field and stress act competitively, and that applying both produces complex domain redistribution. The results…
Electric field gradients in (111)In-doped (Hf/Zr)3Al2 and (Hf/Zr)4Al3 mixed compounds: ab initio calculations, perturbed angular correlation measurements and site preference.
Research
RF Safe Research Library
Jan 1, 2010
This materials-physics study investigated quadrupolar hyperfine interactions of (111)In→(111)Cd probes in polycrystalline Zr4Al3 and Hf4Al3 containing minority (Zr/Hf)3Al2 phases. The authors observed a strong preference of (111)In solutes for the minority (Zr/Hf)3Al2 phases. Ab initio EFG calculations were used to…
Effect of two length scales on the properties of MgB(2) for arbitrary applied magnetic field.
Research
RF Safe Research Library
Jan 1, 2010
This paper analyzes anomalous magnetic-field and temperature dependences observed in MgB(2) superconductivity experiments using a two-order-parameter Ginzburg-Landau theory with two length scales. The authors numerically solve the nonlinear Ginzburg-Landau equations for arbitrary applied fields between Hc1 and Hc2 to…
Ultrasonic propagation velocity in magnetic and magnetorheological fluids due to an external magnetic field.
Research
RF Safe Research Library
Jan 1, 2010
This engineering-focused study measured ultrasonic propagation velocity in hydrocarbon-based magnetic and magnetorheological fluids under an external magnetic field. The authors report that clustering structures formed in the fluids influence ultrasonic propagation velocity, with observed hysteresis and anisotropy.…
Nanocrystalline hydroxyapatite bioceramic using microwave radiation: Synthesis and characterization.
Research
RF Safe Research Library
Jan 1, 2010
This engineering/materials study synthesized nanocrystalline hydroxyapatite bioceramic powder using microwave radiation and then characterized the resulting material. The authors report highly crystalline HAp nanopowder with nanoscale size, mixed morphology, and elemental composition consistent with the HAp phase.…
Scientific Committee on Emerging and Newly Identified Health Risks
Research
RF Safe Research Library
Jan 1, 2009
This SCENIHR Opinion updates earlier 2009 SCENIHR documents on EMF health effects and research needs, focusing on new information and remaining knowledge gaps. The abstract primarily characterizes sources and patterns of exposure across static, ELF, IF, and RF fields in both public and occupational settings. It notes…
Cyanide orientational ordering and copper electric field gradients in CuCN.N2H4.
Research
RF Safe Research Library
Jan 1, 2009
This study reports solid-state NMR (13C and 15N MAS) measurements on CuCN·N2H4 to extract copper quadrupole coupling constants and characterize cyanide ordering. Ab initio calculations were used to determine electric field gradient and chemical shielding tensor orientations needed for spectral analysis. The authors…